/* roulang page: index */
:root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #111827;
            --bg-tertiary: #0F172A;
            --bg-deep: #070C17;
            --brand-green: #00E5A0;
            --brand-yellow: #FACC15;
            --brand-gradient: linear-gradient(135deg, #00E5A0 0%, #FACC15 100%);
            --text-white: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-disabled: rgba(255,255,255,0.45);
            --border-card: rgba(255,255,255,0.08);
            --border-divider: rgba(255,255,255,0.06);
            --radius-large: 24px;
            --radius-standard: 16px;
            --radius-small: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 8px 40px rgba(0,229,160,0.08);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: #E2E8F0;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--brand-green);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 100px 0;
        }

        @media (max-width: 991px) {
            .section-pad {
                padding: 72px 0;
            }
        }

        @media (max-width: 767px) {
            .section-pad {
                padding: 56px 0;
            }
        }

        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 48px;
            letter-spacing: -0.01em;
        }

        .section-title::before {
            content: '';
            width: 44px;
            height: 8px;
            background: var(--brand-gradient);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .section-sub {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-top: -32px;
            margin-bottom: 48px;
            max-width: 640px;
        }

        /* ====== 按钮 ====== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            padding: 0.75em 2em;
            border-radius: var(--radius-pill);
            border: none;
            text-decoration: none;
            transition: all 0.25s ease;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-brand:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            color: #08131F;
            box-shadow: 0 8px 30px rgba(0,229,160,0.2);
        }

        .btn-brand:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #E2E8F0;
            border: 1px solid rgba(255,255,255,0.25);
            padding: 0.75em 2em;
            border-radius: var(--radius-pill);
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .btn-outline:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0) scale(0.98);
        }

        :focus-visible {
            outline: 2px dashed var(--brand-yellow);
            outline-offset: 3px;
        }

        /* ====== 导航 ====== */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1240px;
            background: rgba(10, 15, 30, 0.75);
            backdrop-filter: blur(12px) saturate(140%);
            -webkit-backdrop-filter: blur(12px) saturate(140%);
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 24px;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .site-nav.scrolled {
            background: rgba(10, 15, 30, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            padding: 8px 20px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .nav-logo {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .nav-logo-icon {
            width: 34px;
            height: 34px;
            background: var(--brand-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #08131F;
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links > a:not(.btn-nav-cta) {
            color: #E2E8F0;
            font-size: 0.95rem;
            text-decoration: none;
            transition: color 0.2s;
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
        }

        .nav-links > a:not(.btn-nav-cta)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: width 0.25s ease;
        }

        .nav-links > a:not(.btn-nav-cta):hover {
            color: var(--brand-green);
        }

        .nav-links > a:not(.btn-nav-cta):hover::after,
        .nav-links > a.active::after {
            width: 100%;
        }

        .nav-links > a.active {
            color: var(--brand-green);
            font-weight: 600;
        }

        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            padding: 0.4em 1.2em;
            border-radius: 999px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            color: #08131F;
            box-shadow: 0 4px 20px rgba(0,229,160,0.25);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.15);
            color: var(--text-white);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .nav-toggle:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .mobile-drawer {
            position: fixed;
            inset: 0;
            background: rgba(10, 15, 30, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 24px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            padding: 24px;
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer a {
            color: var(--text-white);
            font-size: 1.25rem;
            font-weight: 600;
            text-decoration: none;
            padding: 10px 20px;
            border-radius: 999px;
            transition: all 0.25s;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--brand-green);
            background: rgba(0,229,160,0.08);
        }

        .mobile-drawer .btn-nav-cta {
            font-size: 1.05rem;
            margin-top: 8px;
        }

        .drawer-close {
            position: absolute;
            top: 24px;
            right: 24px;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--text-white);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .drawer-close:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        /* ====== Hero ====== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: var(--bg-primary);
            overflow: hidden;
            padding-top: 120px;
            padding-bottom: 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(0, 229, 160, 0.15), transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(250, 204, 21, 0.1), transparent 50%),
                repeating-linear-gradient(60deg, rgba(255, 255, 255, 0.025) 0, rgba(255, 255, 255, 0.025) 1px, transparent 1px, transparent 40px);
            pointer-events: none;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            mask-image: linear-gradient(to left, rgba(0,0,0,1), transparent);
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1), transparent);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 0.875rem;
            color: var(--text-body);
            margin-bottom: 32px;
        }

        .hero-tagline i {
            color: var(--brand-green);
        }

        .hero h1 {
            font-size: clamp(2.8rem, 6vw, 5.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 24px;
        }

        .hero h1 .gradient-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            line-height: 1.75;
            color: rgba(255,255,255,0.78);
            max-width: 560px;
            margin-bottom: 40px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: inline-flex;
            align-items: center;
            gap: 28px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 999px;
            padding: 18px 32px;
            backdrop-filter: blur(8px);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }

        .stat-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            margin-right: 4px;
            vertical-align: middle;
        }

        .stat-dot.green {
            background: var(--brand-green);
        }

        .stat-dot.yellow {
            background: var(--brand-yellow);
        }

        .hero-scroll {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255,255,255,0.4);
            font-size: 1.4rem;
            animation: bounce 2s infinite;
            z-index: 2;
        }

        @keyframes bounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(8px); }
        }

        /* ====== 议程时间线 ====== */
        .agenda-section {
            background: var(--bg-primary);
            position: relative;
        }

        .timeline {
            position: relative;
            padding-left: 0;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 35%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand-green), rgba(0,229,160,0.1));
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-time {
            width: 35%;
            padding-right: 48px;
            text-align: right;
        }

        .timeline-card {
            width: 65%;
            background: var(--bg-secondary);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-large);
            padding: 28px 32px;
            position: relative;
            transition: all 0.3s ease;
        }

        .timeline-card::before {
            content: '';
            position: absolute;
            left: -10px;
            top: 32px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--brand-green);
            box-shadow: 0 0 0 4px rgba(0,229,160,0.15);
        }

        .timeline-card:hover {
            border-color: rgba(0,229,160,0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .timeline-date {
            display: inline-block;
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--brand-green);
            background: rgba(0,229,160,0.1);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 10px;
        }

        .timeline-time-label {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .timeline-time-sub {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .timeline-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .timeline-location {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.813rem;
            color: var(--text-muted);
            background: rgba(255,255,255,0.05);
            padding: 4px 14px;
            border-radius: 999px;
        }

        .timeline-location i {
            color: var(--brand-yellow);
        }

        @media (max-width: 767px) {
            .timeline::before {
                left: 16px;
            }

            .timeline-item {
                flex-direction: column;
                padding-left: 48px;
            }

            .timeline-time {
                width: 100%;
                text-align: left;
                padding-right: 0;
                margin-bottom: 8px;
            }

            .timeline-card {
                width: 100%;
            }

            .timeline-card::before {
                left: -38px;
            }
        }

        /* ====== 嘉宾亮点 ====== */
        .speakers-section {
            background: var(--bg-primary);
            position: relative;
        }

        .speaker-large {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: var(--bg-secondary);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-large);
            overflow: hidden;
            transition: all 0.3s ease;
            margin-bottom: 24px;
        }

        .speaker-large:hover {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-hover);
        }

        .speaker-large-img {
            min-height: 260px;
            position: relative;
            overflow: hidden;
        }

        .speaker-large-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .speaker-large:hover .speaker-large-img img {
            transform: scale(1.03);
        }

        .speaker-large-content {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .speaker-large-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .speaker-large-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .speaker-link {
            color: var(--brand-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s;
        }

        .speaker-link:hover {
            gap: 12px;
            color: var(--brand-green);
        }

        .speaker-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .speaker-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-standard);
            padding: 24px;
            transition: all 0.3s ease;
        }

        .speaker-card:hover {
            border-color: var(--brand-green);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .speaker-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0,229,160,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-green);
            margin-bottom: 16px;
        }

        .speaker-card h4 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .speaker-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .speaker-card .card-img {
            width: 100%;
            height: 160px;
            border-radius: 12px;
            object-fit: cover;
            margin-bottom: 16px;
        }

        @media (max-width: 991px) {
            .speaker-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .speaker-large {
                grid-template-columns: 1fr;
            }

            .speaker-large-img {
                min-height: 200px;
            }

            .speaker-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ====== 票种对比 ====== */
        .tickets-section {
            background: var(--bg-secondary);
            position: relative;
        }

        .tickets-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .ticket-card {
            background: #0D1420;
            border: 1px solid var(--border-card);
            border-radius: var(--radius-large);
            padding: 40px 32px;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            position: relative;
        }

        .ticket-card.featured {
            background: linear-gradient(160deg, rgba(0,229,160,0.12), #0D1420 60%);
            border-color: rgba(0,229,160,0.35);
            transform: scale(1.04);
            box-shadow: 0 8px 40px rgba(0,229,160,0.08);
            z-index: 2;
        }

        .ticket-card.featured::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-gradient);
            border-radius: 999px 999px 0 0;
        }

        .ticket-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--brand-gradient);
            color: #08131F;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .ticket-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            text-transform: uppercase;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .ticket-price {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 24px;
            line-height: 1.2;
        }

        .ticket-price .currency {
            font-size: 1.2rem;
            vertical-align: top;
            color: var(--text-muted);
            margin-right: 2px;
        }

        .ticket-price .per {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .ticket-features {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
            flex-grow: 1;
        }

        .ticket-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.925rem;
            color: var(--text-body);
            padding: 7px 0;
        }

        .ticket-features li i {
            color: var(--brand-green);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .ticket-card .btn-brand,
        .ticket-card .btn-outline {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 991px) {
            .tickets-grid {
                grid-template-columns: 1fr;
                max-width: 460px;
                margin: 0 auto;
            }

            .ticket-card.featured {
                transform: none;
            }
        }

        /* ====== 报名 CTA ====== */
        .register-section {
            background: linear-gradient(160deg, #0A0F1E, #101A2D);
            position: relative;
        }

        .register-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 20px);
            pointer-events: none;
        }

        .register-card {
            max-width: 640px;
            margin: 0 auto;
            background: var(--bg-secondary);
            border: 1px solid var(--border-card);
            border-radius: 32px;
            padding: 48px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-card);
        }

        .register-card h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            text-align: center;
        }

        .register-card .register-desc {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 32px;
        }

        .register-form .form-label {
            color: var(--text-body);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .register-form .form-control,
        .register-form .form-select,
        .register-form textarea {
            background: #0B1220;
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 14px;
            color: var(--text-white);
            padding: 12px 18px;
            transition: all 0.25s ease;
            margin-bottom: 20px;
        }

        .register-form .form-control:focus,
        .register-form .form-select:focus,
        .register-form textarea:focus {
            background: #0B1220;
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(0,229,160,0.15);
            color: var(--text-white);
            outline: none;
        }

        .register-form .form-control::placeholder,
        .register-form textarea::placeholder {
            color: rgba(255,255,255,0.35);
        }

        .register-form .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23D1D5DB' d='M6 8L0 0h12L6 8z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 18px center;
            cursor: pointer;
        }

        .register-form .form-select option {
            background: #0B1220;
            color: var(--text-white);
        }

        .register-form .btn-brand {
            width: 100%;
            justify-content: center;
            padding: 14px 32px;
            font-size: 1.05rem;
            margin-top: 8px;
        }

        .register-note {
            text-align: center;
            font-size: 0.813rem;
            color: rgba(255,255,255,0.45);
            margin-top: 16px;
        }

        /* ====== 资讯列表 ====== */
        .news-section {
            background: var(--bg-primary);
            position: relative;
        }

        .news-list {
            max-width: 900px;
            margin: 0 auto 40px;
        }

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 28px 8px;
            border-bottom: 1px solid var(--border-divider);
            transition: background 0.2s ease;
        }

        .news-item:hover {
            background: rgba(255,255,255,0.02);
        }

        .news-item-main {
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-green);
            background: rgba(0,229,160,0.1);
            border: 1px solid rgba(0,229,160,0.2);
            padding: 3px 12px;
            border-radius: 999px;
        }

        .news-date {
            font-size: 0.813rem;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .news-title a {
            color: var(--text-white);
            transition: color 0.2s;
        }

        .news-title a:hover {
            color: var(--brand-green);
        }

        .news-summary {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-link {
            color: var(--brand-green);
            font-size: 1.3rem;
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid rgba(0,229,160,0.3);
            transition: all 0.25s ease;
        }

        .news-link:hover {
            background: rgba(0,229,160,0.1);
            transform: translateX(4px);
            color: var(--brand-green);
        }

        .news-empty {
            text-align: center;
            color: var(--text-muted);
            font-size: 1rem;
            padding: 60px 0;
            border-bottom: 1px solid var(--border-divider);
        }

        .news-more {
            text-align: center;
        }

        /* ====== FAQ ====== */
        .faq-section {
            background: var(--bg-secondary);
            position: relative;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-card);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.active {
            border-color: rgba(0,229,160,0.4);
            background: #111F33;
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            transition: all 0.2s;
            user-select: none;
        }

        .faq-question:hover {
            color: var(--brand-green);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--brand-green);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-muted);
            font-size: 0.925rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        .faq-answer-inner {
            border-top: 1px solid var(--border-divider);
            padding-top: 16px;
        }

        /* ====== 页脚 ====== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-divider);
            padding-top: 72px;
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-muted);
            max-width: 280px;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.06);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: all 0.25s ease;
        }

        .footer-social a:hover {
            background: rgba(0,229,160,0.12);
            color: var(--brand-green);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all 0.2s;
            text-decoration: none;
        }

        .footer-col ul a:hover {
            color: var(--brand-green);
            padding-left: 4px;
        }

        .footer-contact ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        .footer-contact ul li i {
            color: var(--brand-green);
            margin-top: 4px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-divider);
            padding-top: 24px;
            text-align: center;
            font-size: 0.813rem;
            color: rgba(255,255,255,0.4);
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ====== 响应式导航 ====== */
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }
        }

        @media (max-width: 767px) {
            .container-site {
                padding: 0 16px;
            }

            .site-nav {
                padding: 10px 16px;
                width: calc(100% - 24px);
            }

            .nav-logo {
                font-size: 0.95rem;
            }

            .hero {
                padding-top: 140px;
                padding-bottom: 60px;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 16px;
                border-radius: 24px;
                padding: 16px 24px;
            }

            .register-card {
                padding: 32px 20px;
                border-radius: 24px;
            }
        }

        /* ====== 动画 ====== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeInUp 0.6s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .fade-up {
                opacity: 1;
                transform: none;
                animation: none;
            }

            html {
                scroll-behavior: auto;
            }

            .hero-scroll {
                animation: none;
            }
        }

        /* ====== Bootstrap 覆盖 ====== */
        .btn {
            font-family: var(--font-family);
        }

        .form-control,
        .form-select {
            font-family: var(--font-family);
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0F1E;
            --bg-card: #111827;
            --bg-deep: #070C17;
            --bg-elevated: #0F172A;
            --brand-green: #00E5A0;
            --brand-yellow: #FACC15;
            --gradient-brand: linear-gradient(135deg, #00E5A0 0%, #FACC15 100%);
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-disabled: rgba(255,255,255,0.45);
            --border-light: rgba(255,255,255,0.08);
            --border-line: rgba(255,255,255,0.06);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 8px 40px rgba(0,229,160,0.08);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
            --space-section: 100px;
            --container-max: 1200px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: -220px;
            left: 50%;
            transform: translateX(-50%);
            width: 900px;
            height: 460px;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.05), transparent 70%);
            pointer-events: none;
            z-index: -1;
        }
        a {
            color: #E2E8F0;
            text-decoration: none;
            transition: all .25s ease;
        }
        a:hover {
            color: var(--brand-green);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px dashed var(--brand-yellow);
            outline-offset: 3px;
        }

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 悬浮胶囊导航 */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1240px;
            background: rgba(10, 15, 30, 0.75);
            backdrop-filter: blur(12px) saturate(140%);
            -webkit-backdrop-filter: blur(12px) saturate(140%);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 24px;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .site-nav.scrolled {
            background: rgba(10, 15, 30, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            padding: 8px 20px;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #0A0F1E;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--brand-green);
        }
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gradient-brand);
            border-radius: 2px;
        }
        .btn-nav-cta {
            background: var(--gradient-brand);
            color: #0A0F1E !important;
            font-weight: 700;
            padding: 0.4em 1.4em;
            border-radius: var(--radius-pill);
            transition: all 0.25s;
        }
        .btn-nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #F9FAFB;
            font-size: 1.25rem;
            cursor: pointer;
            padding: 8px;
        }

        /* 面包屑 */
        .breadcrumb-nav {
            padding: 150px 0 20px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.65);
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-green);
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }
        .breadcrumb-nav .current {
            color: rgba(255, 255, 255, 0.85);
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: inline-block;
        }

        /* 文章标题区 */
        .article-header {
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-line);
            margin-bottom: 48px;
        }
        .article-header h1 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .meta-tag {
            background: rgba(0, 229, 160, 0.12);
            color: var(--brand-green);
            padding: 2px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
        }

        /* 正文阅读区 */
        .article-content-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .article-content {
            color: var(--text-body);
            font-size: 1.0625rem;
            line-height: 1.9;
        }
        .article-content p {
            margin-bottom: 1.5em;
            color: #D1D5DB;
        }
        .article-content h2 {
            color: #F9FAFB;
            font-weight: 700;
            font-size: 1.55rem;
            margin-top: 2em;
            margin-bottom: 0.75em;
            letter-spacing: -0.01em;
        }
        .article-content h3 {
            color: #F9FAFB;
            font-weight: 600;
            font-size: 1.25rem;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        .article-content img {
            width: 100%;
            border-radius: var(--radius-lg);
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .article-content blockquote {
            position: relative;
            background: linear-gradient(90deg, rgba(0, 229, 160, 0.06), rgba(250, 204, 21, 0.04)), var(--bg-elevated);
            border-radius: var(--radius-md);
            padding: 1.25em 1.5em;
            margin: 1.5em 0;
            border-left: 4px solid var(--brand-green);
            color: rgba(255, 255, 255, 0.85);
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content a {
            color: var(--brand-green);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--brand-yellow);
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.5em;
            margin-bottom: 1.5em;
        }
        .article-content li {
            margin-bottom: 0.5em;
        }
        .article-content code {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            padding: 0.15em 0.45em;
            font-family: "SFMono-Regular", Consolas, monospace;
            font-size: 0.9em;
            color: var(--brand-yellow);
        }
        .article-divider {
            height: 1px;
            background: linear-gradient(to right, var(--brand-green), var(--brand-yellow), transparent);
            border: none;
            margin: 60px 0 0;
        }

        /* 内容未找到 */
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
        }
        .article-not-found p {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-brand);
            color: #08131F;
            font-weight: 700;
            padding: 0.65em 2em;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .btn-brand:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            color: #08131F;
        }
        .btn-brand:active {
            transform: translateY(0) scale(0.98);
        }

        /* 返回入口 */
        .article-back {
            max-width: 780px;
            margin: 0 auto;
            padding: 48px 0 0;
        }
        .article-back a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }
        .article-back a:hover {
            color: var(--brand-green);
            gap: 12px;
        }
        .article-back a i {
            font-size: 0.8rem;
        }

        /* 相关推荐 */
        .related-section {
            padding: 72px 0 var(--space-section);
        }
        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
        }
        .related-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            position: relative;
            padding-left: 16px;
            margin: 0;
            letter-spacing: -0.01em;
        }
        .related-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--gradient-brand);
            border-radius: 4px;
        }
        .related-all {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-all:hover {
            color: var(--brand-green);
            gap: 10px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .related-card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s;
        }
        .related-card:hover .related-card-body h3 {
            color: var(--brand-green);
        }
        .related-card-body p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }
        .related-date {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 页脚 */
        .site-footer {
            background: #070C17;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 340px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: all 0.25s ease;
        }
        .footer-social a:hover {
            background: var(--gradient-brand);
            color: #0A0F1E;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
        }
        .footer-col ul a:hover {
            color: var(--brand-green);
        }
        .footer-contact ul li {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact ul li i {
            width: 16px;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.813rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

        @media (max-width: 991px) {
            :root {
                --space-section: 72px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                max-width: 85vw;
                height: 100vh;
                background: rgba(10, 15, 30, 0.96);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 24px;
                transition: right 0.35s ease;
                z-index: 1001;
                border-left: 1px solid rgba(255, 255, 255, 0.08);
                padding: 40px 24px;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                font-size: 1.125rem;
                padding: 8px 12px;
            }
            .nav-links a.active::after {
                bottom: 0;
            }
            .btn-nav-cta {
                margin-top: 8px;
            }
            .nav-close {
                position: absolute;
                top: 20px;
                right: 24px;
                background: none;
                border: none;
                color: #F9FAFB;
                font-size: 1.5rem;
                cursor: pointer;
                z-index: 1002;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 56px;
            }
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-nav {
                padding: 10px 16px;
                width: calc(100% - 24px);
                top: 12px;
            }
            .nav-logo {
                font-size: 0.95rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .breadcrumb-nav {
                padding-top: 120px;
            }
            .article-header h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.82rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .article-back {
                padding-top: 32px;
            }
            .related-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (min-width: 992px) {
            .nav-close {
                display: none;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --bg-primary: #0A0F1E;
            --bg-card: #111827;
            --bg-elevated: #0F172A;
            --bg-deep: #070C17;
            --brand-green: #00E5A0;
            --brand-yellow: #FACC15;
            --brand-gradient: linear-gradient(135deg, #00E5A0 0%, #FACC15 100%);
            --text-light: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-dim: rgba(255, 255, 255, 0.45);
            --border-light: rgba(255, 255, 255, 0.08);
            --border-divider: rgba(255, 255, 255, 0.06);
            --radius-card: 24px;
            --radius-card-sm: 16px;
            --radius-input: 14px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(0, 229, 160, 0.08);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
            --transition-base: all 0.25s ease;
        }
        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: #E2E8F0;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--brand-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 767px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* ============ 通用区块 ============ */
        .section {
            padding: 100px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 56px;
            position: relative;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: -0.01em;
            position: relative;
            display: inline-block;
            padding-left: 20px;
            line-height: 1.3;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 44px;
            border-radius: 4px;
            background: var(--brand-gradient);
        }
        .section-sub {
            margin-top: 16px;
            color: var(--text-muted);
            font-size: 1.0625rem;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .section-line {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: var(--brand-gradient);
            margin: 20px auto 0;
        }
        @media (max-width: 991px) {
            .section {
                padding: 72px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
        }
        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            font-size: 0.9375rem;
            border: none;
            border-radius: 999px;
            padding: 0.75em 2em;
            transition: all 0.25s ease;
            box-shadow: 0 4px 20px rgba(0, 229, 160, 0.18);
            cursor: pointer;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            color: #08131F;
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 229, 160, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(0, 229, 160, 0.5);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #E2E8F0;
            font-weight: 600;
            font-size: 0.9375rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 0.75em 2em;
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(0, 229, 160, 0.4);
            outline-offset: 2px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-body);
            font-weight: 600;
            transition: color 0.2s ease, gap 0.2s ease;
        }
        .text-link i {
            transition: transform 0.2s ease;
        }
        .text-link:hover {
            color: var(--brand-green);
            gap: 10px;
        }
        .text-link:hover i {
            transform: translateX(4px);
        }
        /* ============ 导航 ============ */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            max-width: 1240px;
            width: calc(100% - 32px);
            background: rgba(10, 15, 30, 0.75);
            backdrop-filter: blur(12px) saturate(140%);
            -webkit-backdrop-filter: blur(12px) saturate(140%);
            border-radius: 999px;
            padding: 12px 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
        }
        .site-nav.scrolled {
            background: rgba(10, 15, 30, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            padding: 8px 20px;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-light);
            white-space: nowrap;
            transition: color 0.2s ease;
        }
        .nav-logo:hover {
            color: var(--brand-green);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 800;
            font-size: 1.125rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a:not(.btn-nav-cta) {
            color: #E2E8F0;
            font-size: 0.9375rem;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .nav-links a:not(.btn-nav-cta)::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--brand-gradient);
            transition: width 0.3s ease;
        }
        .nav-links a:not(.btn-nav-cta):hover {
            color: var(--brand-green);
        }
        .nav-links a:not(.btn-nav-cta):hover::after,
        .nav-links a.active:not(.btn-nav-cta)::after {
            width: 100%;
        }
        .nav-links a.active:not(.btn-nav-cta) {
            color: var(--brand-green);
            font-weight: 600;
        }
        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #08131F !important;
            font-weight: 700;
            font-size: 0.875rem;
            border-radius: 999px;
            padding: 0.4em 1.2em;
            transition: all 0.2s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            color: #08131F !important;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            width: 42px;
            height: 42px;
            color: var(--text-light);
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }
        .nav-toggle:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }
        @media (max-width: 991px) {
            .nav-links {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(10, 15, 30, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                z-index: 1001;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 24px;
                padding: 40px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-20px);
                transition: all 0.35s ease;
            }
            .nav-links.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-links a:not(.btn-nav-cta) {
                font-size: 1.125rem;
                color: var(--text-light);
            }
            .btn-nav-cta {
                margin-top: 8px;
            }
            .nav-toggle {
                display: inline-flex;
                position: relative;
                z-index: 1002;
            }
        }
        /* ============ 分类页 Hero ============ */
        .page-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(10, 15, 30, 0.92) 0%, rgba(10, 15, 42, 0.75) 60%, rgba(10, 15, 30, 0.5) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 160px 0 80px;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(250, 204, 21, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .hero-tag i {
            color: var(--brand-green);
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-visual {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
        }
        .hero-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .hero-visual .hero-img-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(10, 15, 30, 0.9), transparent);
            padding: 60px 24px 20px;
            color: var(--text-light);
            font-size: 0.875rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-visual .hero-img-caption i {
            color: var(--brand-green);
        }
        @media (max-width: 991px) {
            .page-hero {
                padding: 140px 0 60px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual img {
                height: 260px;
            }
        }
        @media (max-width: 767px) {
            .page-hero {
                min-height: auto;
                padding: 120px 0 48px;
            }
            .hero-title {
                font-size: clamp(1.8rem, 6vw, 2.6rem);
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
            }
            .hero-visual img {
                height: 200px;
            }
        }
        /* ============ 图文网格 ============ */
        .feature-row {
            margin-top: 10px;
        }
        .feature-card {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-card .card-img-wrap {
            overflow: hidden;
            position: relative;
        }
        .feature-card .card-img-wrap img {
            width: 100%;
            transition: transform 0.4s ease;
        }
        .feature-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }
        .feature-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 30, 0.75) 0%, transparent 50%);
            pointer-events: none;
        }
        .feature-card .card-body {
            padding: 28px 32px 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--brand-green);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            padding: 3px 12px;
            align-self: flex-start;
            margin-bottom: 14px;
        }
        .feature-card .card-title {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .feature-card .card-desc {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }
        .feature-card-large .card-img-wrap img {
            height: 280px;
            object-fit: cover;
        }
        .feature-card-medium .card-img-wrap img {
            height: 220px;
            object-fit: cover;
        }
        @media (max-width: 991px) {
            .feature-card .card-body {
                padding: 24px;
            }
            .feature-card-large .card-img-wrap img {
                height: 220px;
            }
            .feature-card-medium .card-img-wrap img {
                height: 200px;
            }
            .feature-card .card-title {
                font-size: 1.25rem;
            }
        }
        /* ============ 2x2 小卡 ============ */
        .mini-grid-row {
            margin-top: 10px;
        }
        .mini-card {
            background: var(--bg-card);
            border-radius: var(--radius-card-sm);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            height: 100%;
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }
        .mini-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            border-radius: 0 0 4px 4px;
            background: var(--brand-gradient);
            transition: height 0.3s ease;
        }
        .mini-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .mini-card:hover::before {
            height: 100%;
        }
        .mini-card .mini-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 1.25rem;
            margin-bottom: 18px;
            transition: all 0.25s ease;
        }
        .mini-card:hover .mini-icon {
            background: var(--brand-gradient);
            color: #08131F;
            border-color: transparent;
        }
        .mini-card .mini-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .mini-card .mini-desc {
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
        }
        .mini-card .mini-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 14px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--brand-green);
            transition: gap 0.2s ease;
        }
        .mini-card .mini-link:hover {
            gap: 8px;
            color: var(--brand-green);
        }
        @media (max-width: 767px) {
            .mini-card {
                padding: 24px 20px;
            }
        }
        /* ============ 时间线 ============ */
        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding: 0;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 180px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, rgba(0, 229, 160, 0.6), rgba(250, 204, 21, 0.4), rgba(255, 255, 255, 0.06));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-left: 220px;
            margin-bottom: 32px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item .timeline-time {
            position: absolute;
            left: 0;
            top: 0;
            width: 160px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 12px 16px;
            text-align: right;
        }
        .timeline-item .timeline-time .time-value {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-green);
            font-family: "DIN Alternate", "PingFang SC", sans-serif;
            letter-spacing: 0.02em;
        }
        .timeline-item .timeline-time .time-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .timeline-item .timeline-dot {
            position: absolute;
            left: 174px;
            top: 22px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-green);
            box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.15);
            transform: translateX(-50%);
            z-index: 2;
        }
        .timeline-item:nth-child(even) .timeline-dot {
            background: var(--brand-yellow);
            box-shadow: 0 0 0 4px rgba(250, 204, 21, 0.15);
        }
        .timeline-item .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card-sm);
            padding: 24px 28px;
            transition: all 0.25s ease;
        }
        .timeline-item .timeline-content:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .timeline-item .timeline-content h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .timeline-item .timeline-content p {
            color: var(--text-muted);
            font-size: 0.875rem;
            margin: 0;
            line-height: 1.6;
        }
        .timeline-item .timeline-loc {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 10px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .timeline-item .timeline-loc i {
            color: var(--brand-yellow);
        }
        @media (max-width: 767px) {
            .timeline::before {
                left: 12px;
            }
            .timeline-item {
                padding-left: 44px;
            }
            .timeline-item .timeline-time {
                position: static;
                width: 100%;
                text-align: left;
                margin-bottom: 12px;
                padding: 10px 16px;
            }
            .timeline-item .timeline-time .time-value {
                font-size: 0.9375rem;
            }
            .timeline-item .timeline-time .time-label {
                display: inline-block;
                margin-left: 8px;
            }
            .timeline-item .timeline-dot {
                left: 12px;
                top: 18px;
            }
            .timeline-item .timeline-content {
                padding: 20px;
            }
        }
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item.open {
            border-color: rgba(0, 229, 160, 0.4);
            background: #111F33;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
        }
        .faq-question h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin: 0;
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 0.875rem;
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--brand-gradient);
            color: #08131F;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.75;
            border-top: 0 solid var(--border-divider);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 16px 24px 20px;
            border-top-width: 1px;
            border-top-color: var(--border-divider);
        }
        @media (max-width: 767px) {
            .faq-question {
                padding: 16px 18px;
            }
            .faq-question h3 {
                font-size: 0.9375rem;
            }
            .faq-item.open .faq-answer {
                padding: 14px 18px 16px;
            }
        }
        /* ============ CTA ============ */
        .cta-block {
            padding: 100px 0;
            background: linear-gradient(135deg, #0A0F1E 0%, #101A2D 50%, #0A0F1E 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(60deg, rgba(255, 255, 255, 0.02) 0px, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 40px);
            pointer-events: none;
        }
        .cta-card {
            max-width: 720px;
            margin: 0 auto;
            background: rgba(17, 24, 39, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: 32px;
            padding: 56px 48px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-card);
        }
        .cta-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: var(--brand-gradient);
            border-radius: 0 0 4px 4px;
        }
        .cta-card h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-card p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-card .btn-primary {
            font-size: 1rem;
            padding: 0.85em 2.6em;
        }
        @media (max-width: 767px) {
            .cta-block {
                padding: 56px 0;
            }
            .cta-card {
                padding: 40px 24px;
                border-radius: 24px;
            }
        }
        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-divider);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
            max-width: 280px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: all 0.25s ease;
        }
        .footer-social a:hover {
            background: var(--brand-gradient);
            color: #08131F;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.875rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
            padding-left: 0;
        }
        .footer-col ul a:hover {
            color: var(--brand-green);
            padding-left: 4px;
        }
        .footer-col.footer-contact ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        .footer-col.footer-contact ul li i {
            color: var(--brand-green);
            width: 16px;
            text-align: center;
            font-size: 0.8125rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-divider);
            padding-top: 24px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.813rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 557px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        /* ============ 工具类 ============ */
        .fade-in-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px dashed var(--brand-yellow);
            outline-offset: 3px;
        }
        /* ============ JSON-LD 兼容注释 ============ */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #111827;
            --bg-tertiary: #0F172A;
            --bg-deep: #070C17;
            --brand-green: #00E5A0;
            --brand-yellow: #FACC15;
            --brand-gradient: linear-gradient(135deg, #00E5A0 0%, #FACC15 100%);
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --text-dim: rgba(255,255,255,0.45);
            --border-light: rgba(255,255,255,0.08);
            --border-divider: rgba(255,255,255,0.06);
            --radius-card: 24px;
            --radius-standard: 16px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 8px 40px rgba(0,229,160,0.08);
            --transition-base: 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.8;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #E2E8F0;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--brand-green);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px dashed var(--brand-yellow);
            outline-offset: 3px;
        }
        .container-site {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 767px) {
            .container-site {
                padding: 0 16px;
            }
        }
        .section-pad {
            padding: 100px 0;
        }
        @media (max-width: 991px) {
            .section-pad {
                padding: 72px 0;
            }
        }
        @media (max-width: 767px) {
            .section-pad {
                padding: 56px 0;
            }
        }
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-head .section-overline {
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--brand-green);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-title-bar {
            display: flex;
            align-items: center;
        }
        .section-title-bar::before {
            content: '';
            width: 44px;
            height: 8px;
            border-radius: 4px;
            background: var(--brand-gradient);
            margin-right: 14px;
            flex-shrink: 0;
        }
        .btn-primary-gradient {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.75em 2em;
            text-decoration: none;
            transition: all var(--transition-base);
            font-size: 1rem;
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .btn-primary-gradient:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            color: #08131F;
            box-shadow: 0 8px 24px rgba(0,229,160,0.18);
        }
        .btn-primary-gradient:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.25);
            color: #E2E8F0;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.75em 2em;
            text-decoration: none;
            transition: all var(--transition-base);
            font-size: 1rem;
            cursor: pointer;
        }
        .btn-outline-light:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background: rgba(0,229,160,0.06);
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0) scale(0.98);
        }
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 1240px;
            padding: 0 16px;
            z-index: 1000;
        }
        .nav-inner {
            background: rgba(10, 15, 30, 0.75);
            backdrop-filter: blur(12px) saturate(140%);
            -webkit-backdrop-filter: blur(12px) saturate(140%);
            border-radius: 999px;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 24px rgba(0,0,0,0.25);
            transition: all 0.3s ease;
        }
        .nav-inner.scrolled {
            padding: 8px 20px;
            background: rgba(10, 15, 30, 0.92);
            box-shadow: 0 8px 32px rgba(0,0,0,0.45);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-logo:hover {
            color: var(--text-primary);
        }
        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #0A0F1E;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            color: var(--text-body);
            text-decoration: none;
            font-size: 0.9375rem;
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .nav-links a:hover {
            color: var(--brand-green);
            background: rgba(0, 229, 160, 0.08);
        }
        .nav-links a.active {
            color: var(--brand-green);
            background: rgba(0, 229, 160, 0.1);
            font-weight: 600;
        }
        .btn-nav-cta {
            background: var(--brand-gradient);
            color: #08131F !important;
            font-weight: 700;
            padding: 0.4em 1.2em;
            border-radius: 999px;
            text-decoration: none;
            font-size: 0.9375rem;
            transition: all var(--transition-base);
            display: inline-block;
        }
        .btn-nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            color: #08131F !important;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.25rem;
            padding: 8px;
            cursor: pointer;
            line-height: 1;
            min-width: 40px;
            min-height: 40px;
            border-radius: 50%;
            transition: background var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 8px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--text-body);
            text-decoration: none;
            font-size: 1.125rem;
            padding: 14px 24px;
            border-radius: 999px;
            transition: color var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--brand-green);
        }
        .mobile-menu a.active {
            color: var(--brand-green);
            font-weight: 600;
        }
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.75rem;
            width: 44px;
            height: 44px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: background var(--transition-base);
        }
        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-inner {
                padding: 10px 16px;
            }
        }
        .page-hero {
            min-height: 460px;
            padding: 180px 0 80px;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.92) 0%, rgba(10, 15, 30, 0.72) 50%, rgba(10, 15, 30, 0.88) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            position: relative;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-divider);
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .page-hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--brand-green);
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .page-hero p.hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 40px;
            max-width: 640px;
        }
        .hero-stat {
            background: rgba(17, 24, 39, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-standard);
            padding: 20px 16px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }
        .hero-stat:hover {
            border-color: rgba(0, 229, 160, 0.4);
            transform: translateY(-2px);
        }
        .hero-stat-num {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            color: var(--brand-yellow);
            line-height: 1.2;
            position: relative;
            display: inline-block;
        }
        .hero-stat-num::after {
            content: '';
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-green);
            position: absolute;
            top: 6px;
            right: -10px;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 767px) {
            .page-hero {
                padding: 140px 0 56px;
                min-height: auto;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.6s ease both;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }
        .ticket-types {
            padding: 100px 0;
            background: var(--bg-primary);
        }
        @media (max-width: 767px) {
            .ticket-types {
                padding: 64px 0;
            }
        }
        .ticket-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .ticket-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }
        .ticket-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .ticket-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .ticket-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .ticket-card:hover .card-img img {
            transform: scale(1.04);
        }
        .ticket-card-body {
            padding: 28px 28px 32px;
        }
        .ticket-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .ticket-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .ticket-benefits li {
            padding: 6px 0;
            color: var(--text-body);
            font-size: 0.9375rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ticket-benefits li i {
            color: var(--brand-green);
            font-size: 0.8125rem;
            flex-shrink: 0;
            width: 18px;
            text-align: center;
        }
        .ticket-card.hot {
            background: linear-gradient(160deg, rgba(0, 229, 160, 0.08) 0%, #111827 60%);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .hot-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--brand-gradient);
            color: #08131F;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            z-index: 2;
            letter-spacing: 0.06em;
        }
        @media (max-width: 991px) {
            .ticket-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ticket-card .card-img {
                height: 200px;
            }
        }
        .faq-section {
            padding: 100px 0;
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-divider);
            border-bottom: 1px solid var(--border-divider);
        }
        @media (max-width: 767px) {
            .faq-section {
                padding: 64px 0;
            }
        }
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-tertiary) !important;
            border: 1px solid var(--border-light) !important;
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base), background var(--transition-base);
        }
        .accordion-item:not(:first-of-type) {
            border-top: 1px solid var(--border-light) !important;
        }
        .accordion-button {
            background: transparent !important;
            color: var(--text-primary) !important;
            font-weight: 600;
            font-size: 1.0625rem;
            padding: 1.25rem 1.5rem;
            box-shadow: none !important;
            letter-spacing: 0.01em;
            border-radius: 14px !important;
            min-height: 56px;
        }
        .accordion-button::after {
            background-image: none !important;
            font-family: "Font Awesome 6 Free";
            content: "\f078";
            font-weight: 900;
            color: var(--text-muted);
            transform: rotate(0deg);
            transition: transform 0.3s ease, color 0.3s ease;
            background-size: auto;
            width: auto;
            height: auto;
            margin-left: auto;
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-green) !important;
            background: rgba(0, 229, 160, 0.04) !important;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--brand-green);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15) !important;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(0, 229, 160, 0.35) !important;
            background: #111F33 !important;
        }
        .accordion-body {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-body);
            line-height: 1.85;
            border-top: 1px solid var(--border-divider);
            font-size: 1rem;
        }
        .steps-section {
            padding: 100px 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(250, 204, 21, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        @media (max-width: 767px) {
            .steps-section {
                padding: 64px 0;
            }
        }
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            margin-top: 48px;
        }
        .steps-wrapper::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, rgba(0, 229, 160, 0.5), rgba(250, 204, 21, 0.5));
            opacity: 0.4;
            z-index: 0;
            border-radius: 2px;
        }
        .step-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-secondary);
            border-radius: var(--radius-standard);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .step-item:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--brand-green);
            margin: 0 auto 18px;
            position: relative;
            box-shadow: 0 0 0 5px rgba(0, 229, 160, 0.08);
        }
        .step-item h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 991px) {
            .steps-wrapper {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .steps-wrapper::before {
                display: none;
            }
        }
        @media (max-width: 575px) {
            .steps-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(120deg, #0A0F1E 0%, #101A2D 50%, #0A0F1E 100%);
            position: relative;
            overflow: hidden;
            border-top: 1px solid var(--border-divider);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(60deg, transparent 0%, rgba(255, 255, 255, 0.035) 50%, transparent 100%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.8rem, 3.4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 1.0625rem;
            color: var(--text-muted);
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-light);
            padding: 80px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 340px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition-base);
        }
        .footer-social a:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--brand-green);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-base), padding-left var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--brand-green);
            padding-left: 4px;
        }
        .footer-contact ul li {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-contact ul li i {
            color: var(--text-dim);
            margin-top: 4px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-divider);
            padding: 24px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.813rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .site-footer {
                padding-top: 56px;
            }
        }
        .back-to-top {
            display: none;
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 900;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(17, 24, 39, 0.85);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-base);
            backdrop-filter: blur(8px);
        }
        .back-to-top.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .back-to-top:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            transform: translateY(-3px);
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0F1E;
            --bg-secondary: #111827;
            --bg-tertiary: #0F172A;
            --bg-deep: #070C17;
            --brand-green: #00E5A0;
            --brand-yellow: #FACC15;
            --brand-gradient: linear-gradient(135deg, #00E5A0 0%, #FACC15 100%);
            --text-title: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-lighter: rgba(255, 255, 255, 0.06);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-default: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(0, 229, 160, 0.08);
            --space-section: 100px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: #E2E8F0;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: var(--brand-green);
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1240px;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.75);
            backdrop-filter: blur(12px) saturate(140%);
            -webkit-backdrop-filter: blur(12px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 999px;
            padding: 12px 24px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .site-nav.scrolled {
            background: rgba(10, 15, 30, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            padding: 8px 20px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-title);
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--brand-green);
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 800;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 999px;
            color: var(--text-body);
            font-size: 0.9rem;
            font-weight: 500;
            line-height: 1.4;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .nav-links a:hover {
            color: var(--brand-green);
            background: rgba(0, 229, 160, 0.08);
        }

        .nav-links a.active {
            color: var(--brand-green);
            background: rgba(0, 229, 160, 0.1);
        }

        .btn-nav-cta {
            background: var(--brand-gradient) !important;
            color: #08131F !important;
            font-weight: 700 !important;
            padding: 8px 20px !important;
            border-radius: 999px;
            margin-left: 8px;
            transition: all 0.25s ease;
        }

        .btn-nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 229, 160, 0.3);
            color: #08131F !important;
            background: var(--brand-gradient) !important;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-title);
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .nav-toggle:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        /* Hero 分类 */
        .hero-cat {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0A0F1E 0%, #0F172A 50%, #111827 100%);
            overflow: hidden;
        }

        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }

        .hero-cat::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 15, 30, 0.95) 20%, rgba(10, 15, 30, 0.55) 60%, rgba(10, 15, 30, 0.75) 100%);
        }

        .hero-cat .container-site {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .hero-content {
            flex: 1;
            max-width: 680px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--brand-green);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }

        .hero-cat h1 {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }

        .hero-cat h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.0625rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 560px;
        }

        .hero-float-card {
            flex-shrink: 0;
            width: 280px;
            background: rgba(17, 24, 39, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            padding: 28px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .float-top {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .float-pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-green);
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.7);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.85);
            }
        }

        .float-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .float-meta {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .float-divider {
            height: 1px;
            background: var(--brand-gradient);
            opacity: 0.4;
            margin-bottom: 16px;
        }

        .float-stats {
            display: flex;
            gap: 16px;
        }

        .float-stats span {
            font-size: 0.8125rem;
            color: var(--text-body);
            line-height: 1.4;
        }

        .float-stats strong {
            display: block;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-title);
        }

        /* 数据概览 */
        .stats-section {
            padding: var(--space-section) 0 60px;
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-title::before {
            content: '';
            width: 44px;
            height: 8px;
            border-radius: 4px;
            background: var(--brand-gradient);
            flex-shrink: 0;
        }

        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-box {
            position: relative;
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .stat-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 3px;
            background: var(--brand-gradient);
            border-radius: 0 0 4px 4px;
        }

        .stat-box:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-green);
            box-shadow: 0 0 10px rgba(0, 229, 160, 0.5);
            margin-bottom: 12px;
        }

        .stat-box:nth-child(even) .stat-dot {
            background: var(--brand-yellow);
            box-shadow: 0 0 10px rgba(250, 204, 21, 0.5);
        }

        .stat-value {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-value em {
            font-style: normal;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* 内容分栏 */
        .split-section {
            padding: 60px 0 var(--space-section);
        }

        .speaker-list-wrap {
            background: rgba(17, 24, 39, 0.4);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
        }

        .list-head {
            margin-bottom: 32px;
        }

        .list-head .section-title {
            font-size: 1.375rem;
            margin-bottom: 8px;
        }

        .list-head .section-title::before {
            width: 32px;
            height: 6px;
        }

        .list-head p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .speaker-item {
            position: relative;
            display: flex;
            gap: 20px;
            padding-bottom: 28px;
        }

        .speaker-item:last-child {
            padding-bottom: 0;
        }

        .speaker-item::before {
            content: '';
            position: absolute;
            left: 52px;
            top: 40px;
            bottom: 0;
            width: 1px;
            background: linear-gradient(to bottom, rgba(0, 229, 160, 0.3), rgba(255, 255, 255, 0.04));
        }

        .speaker-item:last-child::before {
            display: none;
        }

        .speaker-date {
            flex-shrink: 0;
            width: 104px;
            height: 36px;
            border-radius: 999px;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--brand-green);
            position: relative;
            z-index: 1;
            white-space: nowrap;
        }

        .date-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-green);
            box-shadow: 0 0 8px rgba(0, 229, 160, 0.6);
            flex-shrink: 0;
        }

        .speaker-card {
            flex: 1;
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all 0.25s ease;
        }

        .speaker-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .speaker-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
            transition: all 0.2s ease;
        }

        .speaker-card:hover .tag-item {
            border-color: rgba(0, 229, 160, 0.3);
            color: var(--text-body);
        }

        .speaker-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .speaker-meta {
            font-size: 0.875rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .speaker-meta i {
            color: var(--brand-green);
            font-size: 0.75rem;
        }

        /* 推荐资源 */
        .side-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .resource-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .resource-card:hover {
            border-color: rgba(0, 229, 160, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .resource-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .resource-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .resource-card:hover .resource-thumb img {
            transform: scale(1.04);
        }

        .thumb-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 15, 30, 0.85);
            backdrop-filter: blur(8px);
            color: var(--brand-yellow);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid rgba(250, 204, 21, 0.3);
        }

        .resource-body {
            padding: 24px;
        }

        .resource-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .resource-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .resource-list {
            margin-bottom: 20px;
        }

        .resource-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-body);
            padding: 5px 0;
        }

        .resource-list i {
            color: var(--brand-green);
            font-size: 0.75rem;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            font-size: 0.925rem;
            border: none;
            border-radius: 999px;
            padding: 10px 28px;
            transition: all 0.25s ease;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary-custom:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 229, 160, 0.25);
            color: #08131F;
        }

        .btn-primary-custom:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #E2E8F0;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 9px 24px;
            transition: all 0.25s ease;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background: rgba(0, 229, 160, 0.06);
        }

        .btn-block {
            width: 100%;
        }

        .assist-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .assist-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-title);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .assist-card h4 i {
            color: var(--brand-yellow);
        }

        .assist-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        /* FAQ */
        .faq-section {
            padding: 0 0 var(--space-section);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all 0.3s ease;
            height: 100%;
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 160, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .faq-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 0.875rem;
            margin-bottom: 16px;
        }

        .faq-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .faq-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* CTA */
        .cta-section {
            padding: 0 0 var(--space-section);
        }

        .cta-inner {
            position: relative;
            text-align: center;
            background: linear-gradient(135deg, #0A0F1E, #111827);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 64px 32px;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(60deg, transparent 0px, transparent 18px, rgba(255, 255, 255, 0.015) 18px, rgba(255, 255, 255, 0.015) 19px);
            pointer-events: none;
        }

        .cta-inner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 240px;
            height: 3px;
            background: var(--brand-gradient);
            border-radius: 0 0 8px 8px;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            position: relative;
            z-index: 1;
        }

        .cta-inner p {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }

        .cta-inner .btn-primary-custom {
            position: relative;
            z-index: 1;
            padding: 12px 40px;
            font-size: 1rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.875rem;
            transition: all 0.25s ease;
        }

        .footer-social a:hover {
            color: var(--brand-green);
            border-color: rgba(0, 229, 160, 0.4);
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 0.875rem;
            color: var(--text-muted);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--brand-green);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--text-muted);
            font-size: 0.8125rem;
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
            margin-bottom: 0;
        }

        /* 响应式 */
        @media (max-width: 991px) {
            :root {
                --space-section: 72px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: 0;
                width: min(320px, 85vw);
                height: 100vh;
                background: rgba(10, 15, 30, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: flex-start;
                align-items: stretch;
                padding: 100px 28px 40px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1001;
                border-left: 1px solid var(--border-light);
            }

            .nav-links.nav-open {
                transform: translateX(0);
            }

            .nav-links a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 12px;
            }

            .btn-nav-cta {
                margin-left: 0;
                margin-top: 16px;
                text-align: center;
            }

            .nav-links.nav-open a:hover {
                background: rgba(0, 229, 160, 0.08);
            }

            .hero-float-card {
                display: none;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-nav {
                top: 12px;
                width: calc(100% - 24px);
                padding: 10px 16px;
            }

            .nav-logo {
                font-size: 0.95rem;
            }

            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }

            .hero-cat {
                min-height: 360px;
                padding: 110px 0 60px;
            }

            .hero-cat h1 {
                font-size: clamp(1.8rem, 6vw, 2.4rem);
            }

            .speaker-list-wrap {
                padding: 20px;
            }

            .speaker-item {
                flex-direction: column;
                gap: 12px;
                padding-bottom: 24px;
            }

            .speaker-item::before {
                left: 8px;
                top: 42px;
            }

            .speaker-date {
                width: auto;
                align-self: flex-start;
                height: 32px;
                padding: 0 14px;
            }

            .stats-row {
                gap: 16px;
            }

            .stat-box {
                padding: 20px 16px;
            }

            .cta-inner {
                padding: 40px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 575px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }

            .speaker-card h3 {
                font-size: 0.975rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        .btn-primary-custom:focus-visible,
        .btn-outline-custom:focus-visible,
        .nav-links a:focus-visible,
        .nav-toggle:focus-visible {
            outline: 3px solid rgba(250, 204, 21, 0.6);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A0F1E;
            --bg-card: #111827;
            --bg-card-hover: #16202F;
            --brand-green: #00E5A0;
            --brand-yellow: #FACC15;
            --brand-gradient: linear-gradient(135deg, #00E5A0 0%, #FACC15 100%);
            --text-title: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-light: rgba(255,255,255,0.08);
            --border-divider: rgba(255,255,255,0.06);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-hover: 0 8px 40px rgba(0,229,160,0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
            --spacing-section: 100px;
            --spacing-section-md: 72px;
            --spacing-section-sm: 56px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.75;
            overflow-x: hidden;
        }

        a {
            color: #E2E8F0;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--brand-green);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 767px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head .section-bar {
            display: inline-block;
            width: 44px;
            height: 8px;
            border-radius: 4px;
            background: var(--brand-gradient);
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1.0625rem;
            max-width: 640px;
            margin: 12px auto 0;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            border: none;
            border-radius: 999px;
            padding: 0.75em 2em;
            font-size: 1rem;
            transition: all 0.25s ease;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0,229,160,0.2);
            color: #08131F;
        }

        .btn-primary-custom:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #E2E8F0;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 999px;
            padding: 0.75em 2em;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.25s ease;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            transform: translateY(-2px);
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(10,15,30,0.75);
            backdrop-filter: blur(12px) saturate(140%);
            -webkit-backdrop-filter: blur(12px) saturate(140%);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 12px 24px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .site-nav.scrolled .nav-inner {
            background: rgba(10,15,30,0.92);
            box-shadow: 0 8px 32px rgba(0,0,0,0.45);
            padding: 8px 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-title);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--text-title);
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--brand-gradient);
            border-radius: 50%;
            font-size: 0.875rem;
            font-weight: 800;
            color: #08131F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            color: #E2E8F0;
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-green);
            background: rgba(0,229,160,0.08);
        }

        .nav-links a.active {
            color: var(--brand-green);
            background: rgba(0,229,160,0.1);
            font-weight: 600;
        }

        .nav-links .btn-nav-cta {
            background: var(--brand-gradient);
            color: #08131F;
            font-weight: 700;
            padding: 0.4em 1.2em;
            border-radius: 999px;
            margin-left: 8px;
        }

        .nav-links .btn-nav-cta:hover {
            filter: brightness(1.1);
            color: #08131F;
            box-shadow: 0 4px 16px rgba(0,229,160,0.25);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-title);
            font-size: 1.25rem;
            padding: 8px;
            cursor: pointer;
        }

        .nav-toggle:focus-visible,
        .nav-links a:focus-visible,
        .btn-primary-custom:focus-visible,
        .btn-outline-custom:focus-visible {
            outline: 2px dashed var(--brand-yellow);
            outline-offset: 3px;
        }

        @media (max-width: 991px) {
            .site-nav {
                padding: 0 12px;
            }
            .nav-inner {
                padding: 10px 16px;
            }
            .nav-links {
                display: none;
                position: fixed;
                top: 0;
                right: 0;
                width: 280px;
                height: 100vh;
                background: rgba(10,15,30,0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 80px 24px 24px;
                gap: 8px;
                border-radius: 0;
                z-index: 1001;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                font-size: 1.125rem;
                padding: 12px 16px;
                border-radius: 12px;
            }
            .nav-links .btn-nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .nav-toggle {
                display: block;
                z-index: 1002;
            }
        }

        /* Hero */
        .cate-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: linear-gradient(135deg, #0A0F1E 0%, #0D1A2E 100%);
            overflow: hidden;
        }

        .cate-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .cate-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(0,229,160,0.15) 0%, transparent 60%),
                       radial-gradient(ellipse at 80% 80%, rgba(250,204,21,0.1) 0%, transparent 50%);
            z-index: 1;
        }

        .cate-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 740px;
        }

        .cate-hero-badge {
            display: inline-block;
            background: rgba(0,229,160,0.15);
            border: 1px solid rgba(0,229,160,0.35);
            color: var(--brand-green);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .cate-hero h1 {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .cate-hero-content p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.7;
        }

        /* 统计区 */
        .stats-section {
            padding: 60px 0;
            background: #0B1220;
            border-bottom: 1px solid var(--border-divider);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }

        .stat-item:hover {
            border-color: rgba(0,229,160,0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-item .stat-number {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.875rem;
            margin-top: 8px;
        }

        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item {
                padding: 24px 16px;
            }
        }

        /* 瀑布流 */
        .masonry-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-primary);
        }

        .masonry-wrap {
            columns: 3;
            column-gap: 24px;
        }

        .masonry-item {
            break-inside: avoid;
            margin-bottom: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
            display: block;
            text-decoration: none;
            color: inherit;
        }

        .masonry-item:hover {
            transform: translateY(-4px);
            border-color: rgba(0,229,160,0.5);
            box-shadow: var(--shadow-hover);
            color: inherit;
        }

        .masonry-item .masonry-img {
            position: relative;
            overflow: hidden;
        }

        .masonry-item .masonry-img img {
            width: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            display: block;
        }

        .masonry-item:hover .masonry-img img {
            transform: scale(1.04);
        }

        .masonry-item .masonry-tag {
            display: inline-block;
            background: rgba(0,229,160,0.12);
            color: var(--brand-green);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin: 18px 20px 0;
        }

        .masonry-item .masonry-tag.tag-yellow {
            background: rgba(250,204,21,0.12);
            color: var(--brand-yellow);
        }

        .masonry-item .masonry-tag.tag-blue {
            background: rgba(56,189,248,0.12);
            color: #38BDF8;
        }

        .masonry-item h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-title);
            margin: 12px 20px;
            line-height: 1.4;
        }

        .masonry-item p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin: 0 20px 20px;
            line-height: 1.65;
        }

        .masonry-item .masonry-date {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            color: rgba(255,255,255,0.4);
            padding: 0 20px 18px;
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 40px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: #E2E8F0;
            border-radius: 999px;
            padding: 10px 32px;
            font-size: 0.9375rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .btn-load-more:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        @media (max-width: 991px) {
            .masonry-wrap {
                columns: 2;
            }
        }

        @media (max-width: 767px) {
            .masonry-wrap {
                columns: 1;
            }
        }

        /* 栏目卡 */
        .channel-section {
            padding: var(--spacing-section) 0;
            background: #0B1220;
        }

        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .channel-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .channel-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand-gradient);
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        .channel-card:hover {
            border-color: rgba(0,229,160,0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .channel-card:hover::before {
            opacity: 1;
        }

        .channel-card .channel-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,229,160,0.1);
            border-radius: 12px;
            font-size: 1.25rem;
            color: var(--brand-green);
            margin-bottom: 16px;
        }

        .channel-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .channel-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 991px) {
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .channel-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #0F172A;
            border-radius: 14px;
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .faq-item.open {
            border-color: rgba(0,229,160,0.4);
            background: #111F33;
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            user-select: none;
        }

        .faq-item .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--brand-green);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            border-top: 1px solid transparent;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            padding: 16px 24px 20px;
            max-height: 300px;
            border-top-color: var(--border-divider);
        }

        /* CTA */
        .cta-banner {
            padding: 80px 0;
            background: linear-gradient(135deg, #0A0F1E 0%, #101A2D 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(60deg, transparent, transparent 39px, rgba(255,255,255,0.03) 39px, rgba(255,255,255,0.03) 40px);
        }

        .cta-banner .container-site {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-banner h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .cta-banner p {
            color: var(--text-muted);
            font-size: 1.0625rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        /* 页脚 */
        .site-footer {
            background: #070C17;
            border-top: 1px solid var(--border-divider);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.06);
            border-radius: 12px;
            color: #9CA3AF;
            font-size: 1rem;
            transition: all 0.25s ease;
        }

        .footer-social a:hover {
            background: rgba(0,229,160,0.15);
            color: var(--brand-green);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            color: var(--text-title);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9375rem;
            transition: all 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--brand-green);
            padding-left: 4px;
        }

        .footer-contact ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.9375rem;
        }

        .footer-contact ul li i {
            color: var(--brand-green);
            font-size: 0.875rem;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-divider);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            color: rgba(255,255,255,0.4);
            font-size: 0.813rem;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .cate-hero-content {
            animation: fadeInUp 0.6s ease both;
        }

        .masonry-item:nth-child(1) { animation-delay: 0.1s; }
        .masonry-item:nth-child(2) { animation-delay: 0.2s; }
        .masonry-item:nth-child(3) { animation-delay: 0.3s; }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* 通用工具类 */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }