/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --brand-red: #E2382D;
            --brand-dark-red: #C91818;
            --brand-gold: #FFB800;
            --brand-gold-lite: #FF8A00;
            --neon-cyan: #00E5C7;
            --dark-bg: #0B1018;
            --dark-secondary: #121A24;
            --light-bg: #F6F7F9;
            --card-white: #FFFFFF;
            --text-strong: #111827;
            --text-title: #1F2937;
            --text-body: #4B5563;
            --text-muted: #9CA3AF;
            --dark-text-white: #FFFFFF;
            --dark-text-strong: #C9D1D9;
            --dark-text-muted: #8B949E;
            --border-light: rgba(11, 16, 24, 0.08);
            --border-dark: rgba(255, 255, 255, 0.08);
            --gradient-brand: linear-gradient(135deg, #E2382D, #C91818);
            --gradient-gold: linear-gradient(135deg, #FFB800, #FF8A00);
            --gradient-text-hero: linear-gradient(135deg, #ffffff 0%, #FFB800 45%, #E2382D 100%);
            --shadow-card: 0 4px 12px rgba(17, 24, 39, 0.06);
            --shadow-hover: 0 12px 28px rgba(226, 56, 45, 0.14);
            --shadow-hero-float: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-neon-cyan: 0 0 20px rgba(0, 229, 199, 0.35);
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --space-section: 80px;
            --space-section-mobile: 56px;
            --transition: 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--light-bg);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 0.9375rem;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-strong);
            margin: 0 0 0.75rem 0;
        }
        p {
            margin: 0 0 1rem 0;
        }
        a {
            color: var(--brand-red);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--brand-dark-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            background-color: var(--dark-bg);
            border-bottom: 1px solid var(--border-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            padding: 0;
            margin: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: 0.02em;
            color: var(--dark-text-white);
            line-height: 1.2;
        }
        .navbar-brand .logo-main {
            background: var(--gradient-gold);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-size: 1.4rem;
        }
        .navbar-brand .logo-sub {
            font-size: 0.7rem;
            color: var(--dark-text-muted);
            font-weight: 400;
            display: block;
            letter-spacing: 0.3em;
            margin-top: 2px;
            background: none;
            -webkit-text-fill-color: currentColor;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .navbar-nav .nav-link {
            color: var(--dark-text-strong);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-md);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition), box-shadow var(--transition);
        }
        .navbar-nav .nav-link:hover {
            color: var(--brand-gold);
            box-shadow: 0 2px 12px rgba(0, 229, 199, 0.8);
        }
        .navbar-nav .nav-link.active {
            color: var(--brand-gold);
            box-shadow: 0 2px 12px rgba(0, 229, 199, 0.8);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-left: 0.75rem;
        }
        .btn-brand-gradient {
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-md);
            padding: 0.5rem 1.4rem;
            font-size: 0.875rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-brand-gradient:hover {
            color: #fff;
            box-shadow: 0 0 18px rgba(226, 56, 45, 0.6);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: var(--radius-md);
            padding: 0.25rem 0.6rem;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 199, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300E5C7' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: var(--dark-bg);
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            left: -10%;
            top: -20%;
            width: 60%;
            height: 90%;
            background: radial-gradient(circle, rgba(226, 56, 45, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            right: 0;
            top: 0;
            width: 50%;
            height: 100%;
            background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            transform: skewY(-8deg);
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            padding: 0 1rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 229, 199, 0.12);
            border: 1px solid rgba(0, 229, 199, 0.3);
            color: var(--neon-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-pill);
            margin-bottom: 1.5rem;
            letter-spacing: 0.05em;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            font-weight: 800;
            background: var(--gradient-text-hero);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .hero-subtitle {
            font-size: 1.125rem;
            color: var(--dark-text-strong);
            max-width: 540px;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .btn-hero-primary {
            background: var(--dark-text-white);
            color: var(--text-strong);
            font-weight: 700;
            border: 2px solid transparent;
            border-radius: var(--radius-md);
            padding: 0.75rem 2.2rem;
            font-size: 0.9375rem;
            transition: var(--transition);
        }
        .btn-hero-primary:hover {
            color: var(--brand-red);
            box-shadow: 0 0 0 2px rgba(226, 56, 45, 0.4);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            background: transparent;
            border: 2px solid var(--neon-cyan);
            color: var(--neon-cyan);
            font-weight: 600;
            border-radius: var(--radius-md);
            padding: 0.75rem 2.2rem;
            font-size: 0.9375rem;
            transition: var(--transition);
        }
        .btn-hero-outline:hover {
            background: rgba(0, 229, 199, 0.1);
            color: var(--neon-cyan);
            box-shadow: var(--shadow-neon-cyan);
        }
        .hero-visual {
            position: relative;
            z-index: 2;
        }
        .hero-visual .main-img {
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-hero-float);
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .hero-data-badge {
            position: absolute;
            bottom: -18px;
            right: 20px;
            background: var(--dark-secondary);
            border: 1px solid rgba(0, 229, 199, 0.3);
            border-radius: var(--radius-pill);
            padding: 0.6rem 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            box-shadow: var(--shadow-hero-float);
        }
        .hero-data-badge .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--neon-cyan);
            line-height: 1;
        }
        .hero-data-badge .label {
            font-size: 0.75rem;
            color: var(--dark-text-strong);
            line-height: 1.3;
        }
        .hero-scroll {
            margin-top: 3.5rem;
            text-align: center;
            color: var(--dark-text-muted);
            font-size: 0.875rem;
        }
        .hero-scroll i {
            display: block;
            margin-top: 0.4rem;
            animation: bounce 2s infinite;
        }
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-8px);
            }
            60% {
                transform: translateY(-4px);
            }
        }

        /* ===== 数据证明条 ===== */
        .stats-bar {
            background: var(--dark-secondary);
            padding: 40px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .stat-card {
            text-align: center;
            padding: 0.5rem;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--neon-cyan);
            line-height: 1.2;
            font-family: "Courier New", monospace;
        }
        .stat-card .unit {
            font-size: 0.9375rem;
            color: var(--dark-text-white);
            display: block;
            margin-top: 4px;
            font-weight: 500;
        }
        .stat-card .desc {
            font-size: 0.8125rem;
            color: var(--dark-text-muted);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: var(--space-section) 0;
        }
        .section-title {
            font-size: clamp(1.75rem, 2.5vw + 0.8rem, 2rem);
            font-weight: 800;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto 2.5rem auto;
            font-size: 1rem;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .badge-line {
            display: inline-block;
            background: rgba(226, 56, 45, 0.1);
            color: var(--brand-red);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 1.2rem;
            border-radius: var(--radius-pill);
            margin-bottom: 1rem;
        }

        /* ===== 优惠阶梯 ===== */
        .tier-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            align-items: stretch;
        }
        .tier-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            border: 2px solid transparent;
        }
        .tier-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .tier-card.featured {
            border: 2px solid var(--brand-gold);
            transform: scale(1.04);
            box-shadow: 0 8px 32px rgba(255, 184, 0, 0.2);
        }
        .tier-card.featured:hover {
            transform: scale(1.04) translateY(-4px);
        }
        .tier-badge {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        .tier-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 700;
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 0.75rem;
        }
        .tier-name {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0;
        }
        .tier-percent {
            margin-left: auto;
            font-weight: 700;
            color: var(--brand-red);
            font-size: 0.9375rem;
        }
        .tier-list {
            margin: 1rem 0 1.5rem 0;
            flex-grow: 1;
        }
        .tier-list li {
            padding: 0.4rem 0;
            font-size: 0.875rem;
            color: var(--text-body);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }
        .tier-list li i {
            color: var(--brand-red);
            margin-top: 0.2rem;
        }
        .tier-progress {
            height: 8px;
            background: #E5E7EB;
            border-radius: var(--radius-pill);
            overflow: hidden;
            margin-bottom: 1.5rem;
        }
        .tier-progress-bar {
            height: 100%;
            background: var(--gradient-brand);
            border-radius: var(--radius-pill);
        }
        .tier-btn {
            width: 100%;
            border-radius: var(--radius-md);
            padding: 0.65rem 1rem;
            font-weight: 600;
            font-size: 0.875rem;
            text-align: center;
            display: block;
            transition: var(--transition);
        }
        .tier-btn-outline {
            border: 2px solid var(--brand-red);
            color: var(--brand-red);
            background: transparent;
        }
        .tier-btn-outline:hover {
            background: rgba(226, 56, 45, 0.06);
            color: var(--brand-dark-red);
        }
        .tier-btn-solid {
            background: var(--gradient-brand);
            color: #fff;
            border: 2px solid transparent;
        }
        .tier-btn-solid:hover {
            color: #fff;
            box-shadow: 0 0 20px rgba(226, 56, 45, 0.5);
        }

        /* ===== 套餐对比 ===== */
        .plan-compare {
            background: var(--dark-bg);
            padding: var(--space-section) 0;
        }
        .plan-compare .section-title {
            color: var(--dark-text-white);
        }
        .plan-compare .section-subtitle {
            color: var(--dark-text-muted);
        }
        .table-compare {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }
        .table-compare thead th {
            background: var(--dark-secondary);
            color: var(--dark-text-white);
            padding: 1.2rem 1rem;
            font-weight: 700;
            font-size: 0.9375rem;
            text-align: center;
            border-bottom: 1px solid var(--border-dark);
        }
        .table-compare thead th:first-child {
            text-align: left;
            padding-left: 1.5rem;
        }
        .table-compare thead th.recommend-col {
            background: rgba(255, 184, 0, 0.15);
            color: var(--brand-gold);
            position: relative;
        }
        .table-compare thead th.recommend-col::after {
            content: "推荐";
            position: absolute;
            top: 8px;
            right: 8px;
            background: var(--gradient-gold);
            color: #fff;
            font-size: 0.65rem;
            border-radius: var(--radius-pill);
            padding: 0.1rem 0.6rem;
            font-weight: 700;
        }
        .table-compare tbody td {
            padding: 1rem 1rem;
            text-align: center;
            background: rgba(255, 255, 255, 0.02);
            border-bottom: 1px solid var(--border-dark);
            font-size: 0.875rem;
            color: var(--dark-text-strong);
        }
        .table-compare tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dark-text-white);
            background: rgba(255, 255, 255, 0.04);
            padding-left: 1.5rem;
        }
        .table-compare tbody td.recommend-col {
            background: rgba(255, 184, 0, 0.08);
            border-left: 2px solid var(--brand-gold);
            border-right: 2px solid var(--brand-gold);
        }
        .table-compare tbody td i.fa-check {
            color: var(--neon-cyan);
        }
        .table-compare tbody td i.fa-times {
            color: var(--dark-text-muted);
        }
        .plan-compare-mobile {
            display: none;
        }
        .plan-mobile-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            margin-bottom: 1rem;
        }
        .plan-mobile-card.recommend {
            border: 2px solid var(--brand-gold);
        }
        .plan-mobile-card h4 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .plan-mobile-card .plan-feature {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            font-size: 0.875rem;
            border-bottom: 1px solid var(--border-light);
        }
        .plan-mobile-card .plan-feature:last-child {
            border-bottom: none;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: var(--light-bg);
        }
        .news-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-cover {
            height: 160px;
            object-fit: cover;
            width: 100%;
            background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
            display: block;
        }
        .news-cover-wrap {
            position: relative;
        }
        .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-pill);
            border: none;
        }
        .news-body {
            padding: 20px 20px 16px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-summary {
            font-size: 0.875rem;
            color: #6B7280;
            margin-bottom: 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: auto;
        }
        .news-link {
            color: var(--text-muted);
            font-weight: 500;
            transition: color var(--transition);
        }
        .news-link:hover {
            color: var(--neon-cyan);
        }
        .empty-state {
            text-align: center;
            padding: 3rem 1rem;
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }
        .empty-state i {
            font-size: 2.5rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            display: block;
        }
        .empty-state p {
            color: var(--text-muted);
            margin: 0;
            font-size: 0.9375rem;
        }

        /* ===== 限时入口 ===== */
        .flash-entry {
            background: var(--dark-bg);
            padding: var(--space-section) 0;
            position: relative;
            overflow: hidden;
        }
        .flash-inner {
            border: 1px solid rgba(0, 229, 199, 0.4);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            background: var(--dark-secondary);
            overflow: hidden;
        }
        .flash-inner::before {
            content: "限时";
            position: absolute;
            right: 10px;
            top: -30px;
            font-size: 120px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.04);
            pointer-events: none;
            line-height: 1;
        }
        .flash-title {
            color: var(--dark-text-white);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .flash-subtitle {
            color: var(--dark-text-muted);
            margin-bottom: 2rem;
        }
        .countdown-row {
            display: flex;
            justify-content: center;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .countdown-box {
            background: var(--dark-bg);
            border-radius: 12px;
            min-width: 72px;
            padding: 1rem 0.75rem;
            border: 1px solid var(--border-dark);
        }
        .countdown-box .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-gold);
            line-height: 1.1;
            font-family: "Courier New", monospace;
        }
        .countdown-box .unit {
            font-size: 0.75rem;
            color: var(--dark-text-muted);
            margin-top: 0.25rem;
            display: block;
        }
        .btn-flash {
            background: var(--gradient-gold);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-md);
            padding: 0.75rem 3rem;
            transition: var(--transition);
            display: inline-block;
        }
        .btn-flash:hover {
            color: #fff;
            box-shadow: 0 0 24px rgba(255, 184, 0, 0.6);
            transform: scale(1.02);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light-bg);
        }
        .faq-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 0;
            overflow: hidden;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(11, 16, 24, 0.06);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item .accordion-button {
            background: transparent;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            padding: 1.25rem 1.5rem;
            border: none;
            position: relative;
            transition: background-color var(--transition);
        }
        .faq-item .accordion-button:not(.collapsed) {
            color: var(--brand-red);
            box-shadow: inset 4px 0 0 var(--neon-cyan);
        }
        .faq-item .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E2382D'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-item .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .faq-item .accordion-body {
            padding: 0 1.5rem 1.25rem 1.5rem;
            font-size: 0.875rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* ===== 咨询表单 ===== */
        .contact-section {
            background: var(--light-bg);
            padding-bottom: var(--space-section);
        }
        .contact-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 48px;
        }
        .contact-left h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-strong);
        }
        .contact-left p {
            font-size: 0.9375rem;
            color: var(--text-body);
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .contact-info-list {
            margin-top: 1.5rem;
        }
        .contact-info-list li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.6rem 0;
            color: var(--text-body);
            font-size: 0.9rem;
        }
        .contact-info-list li i {
            color: var(--brand-red);
            width: 20px;
            text-align: center;
        }
        .form-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 0.4rem;
        }
        .form-control,
        .form-select {
            height: 48px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(11, 16, 24, 0.12);
            padding: 0.75rem 1rem;
            font-size: 0.9375rem;
            color: var(--text-strong);
            background-color: #fff;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--brand-red);
            box-shadow: 0 0 0 3px rgba(226, 56, 45, 0.12);
            outline: none;
        }
        .form-control::placeholder {
            color: var(--text-muted);
        }
        textarea.form-control {
            height: auto;
            min-height: 100px;
            resize: vertical;
        }
        .btn-submit {
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-md);
            padding: 0.75rem 2rem;
            min-width: 200px;
            font-size: 1rem;
            transition: var(--transition);
            margin-top: 0.5rem;
        }
        .btn-submit:hover {
            color: #fff;
            box-shadow: 0 0 16px rgba(226, 56, 45, 0.4);
            transform: scale(0.98);
        }
        .form-success {
            display: none;
            text-align: center;
            padding: 2rem;
        }
        .form-success i {
            font-size: 3rem;
            color: #10B981;
            margin-bottom: 1rem;
        }
        .form-success p {
            font-size: 1rem;
            color: var(--text-body);
            margin-bottom: 1rem;
        }
        .btn-back {
            border: 1px solid var(--brand-red);
            color: var(--brand-red);
            background: transparent;
            border-radius: var(--radius-md);
            padding: 0.5rem 1.5rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-back:hover {
            background: rgba(226, 56, 45, 0.06);
            color: var(--brand-dark-red);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            border-top: 1px solid var(--border-dark);
            padding: 60px 0 24px 0;
        }
        .site-footer h5 {
            color: var(--dark-text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .site-footer p {
            color: var(--dark-text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
        }
        .site-footer ul li {
            padding: 0.35rem 0;
        }
        .site-footer ul li a {
            color: var(--dark-text-muted);
            font-size: 0.875rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--brand-gold);
            padding-left: 4px;
        }
        .footer-border {
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 199, 0.6), transparent);
            margin-bottom: 40px;
        }
        .footer-copyright {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            color: var(--dark-text-muted);
            font-size: 0.8125rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .tier-cards {
                gap: 1rem;
            }
            .tier-card {
                padding: 24px 20px;
            }
        }
        @media (max-width: 991.98px) {
            .tier-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.75rem;
            }
            .tier-card {
                padding: 20px 16px;
            }
            .contact-card {
                padding: 32px 24px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --space-section: 56px;
            }
            .navbar-collapse {
                background: var(--dark-bg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 1rem;
                border-top: 1px solid var(--border-dark);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            }
            .navbar-nav .nav-link {
                padding: 0.75rem 0.5rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .navbar-nav .nav-link:last-child {
                border-bottom: none;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 0.75rem;
                width: 100%;
            }
            .nav-cta .btn-brand-gradient {
                width: 100%;
                text-align: center;
            }
            .hero-section {
                padding: 60px 0;
                min-height: auto;
            }
            .hero-content {
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-visual {
                margin-top: 2.5rem;
            }
            .tier-cards {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .tier-card.featured {
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
            .table-compare {
                display: none;
            }
            .plan-compare-mobile {
                display: block;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .countdown-box {
                min-width: 60px;
                padding: 0.75rem;
            }
            .countdown-box .num {
                font-size: 1.5rem;
            }
            .contact-card {
                padding: 24px 16px;
            }
            .footer-copyright {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 575.98px) {
            .hero-badge {
                font-size: 0.7rem;
                padding: 0.25rem 0.75rem;
            }
            .countdown-row {
                gap: 0.5rem;
            }
            .countdown-box {
                min-width: 52px;
                padding: 0.5rem 0.25rem;
            }
            .countdown-box .num {
                font-size: 1.25rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #E2382D;
            --primary-dark: #C91818;
            --accent: #FFB800;
            --accent-deep: #FF8A00;
            --neon: #00E5C7;
            --dark: #0B1018;
            --dark-2: #121A24;
            --light: #F6F7F9;
            --white: #FFFFFF;
            --text-dark: #111827;
            --text-title: #1F2937;
            --text-body: #4B5563;
            --text-muted: #9CA3AF;
            --border: rgba(11, 16, 24, 0.08);
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 12px rgba(17, 24, 39, 0.06);
            --shadow-hover: 0 12px 28px rgba(226, 56, 45, 0.14);
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--light);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 0.9375rem;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

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

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-dark);
            line-height: 1.3;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(226, 56, 45, 0.08);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 1.875rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section-lead {
            font-size: 1rem;
            color: var(--text-body);
            max-width: 640px;
            margin: 0 auto 40px;
        }

        .grad-text {
            background: linear-gradient(135deg, #E2382D, #FFB800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn-brand-gradient {
            display: inline-block;
            font-weight: 600;
            font-size: 0.9375rem;
            line-height: 1;
            color: #fff;
            background: linear-gradient(135deg, #E2382D, #C91818);
            border: none;
            border-radius: var(--radius-md);
            padding: 14px 28px;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
            box-shadow: 0 4px 12px rgba(226, 56, 45, 0.28);
        }

        .btn-brand-gradient:hover,
        .btn-brand-gradient:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(226, 56, 45, 0.36);
            opacity: 0.95;
        }

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

        .btn-outline-neon {
            display: inline-block;
            font-weight: 600;
            font-size: 0.9375rem;
            line-height: 1;
            color: var(--neon);
            background: transparent;
            border: 1px solid rgba(0, 229, 199, 0.6);
            border-radius: var(--radius-md);
            padding: 13px 26px;
            cursor: pointer;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .btn-outline-neon:hover,
        .btn-outline-neon:focus {
            background: rgba(0, 229, 199, 0.1);
            color: var(--neon);
            box-shadow: 0 0 20px rgba(0, 229, 199, 0.2);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 17px 36px;
            font-size: 1rem;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--dark);
            border-bottom: 1px solid var(--border-dark);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-right: 24px;
        }

        .site-header .logo-main {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, #fff, #FFB800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-header .logo-sub {
            font-size: 0.75rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            padding: 2px 6px;
            letter-spacing: 0.04em;
        }

        .site-header .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition), box-shadow var(--transition);
        }

        .site-header .navbar-nav .nav-link:hover,
        .site-header .navbar-nav .nav-link:focus {
            color: var(--accent);
            box-shadow: 0 2px 12px rgba(0, 229, 199, 0.8);
        }

        .site-header .navbar-nav .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(0, 229, 199, 0.8);
        }

        .site-header .nav-cta {
            margin-left: 8px;
        }

        .site-header .nav-cta .btn-brand-gradient {
            padding: 10px 22px;
            font-size: 0.875rem;
            background: linear-gradient(135deg, #E2382D, #FFB800);
            box-shadow: 0 4px 14px rgba(255, 184, 0, 0.25);
        }

        .site-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--neon);
        }

        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,229,199,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991px) {
            .site-header {
                height: auto;
                padding: 10px 0;
            }

            .site-header .navbar-collapse {
                background: var(--dark-2);
                border-radius: 12px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-dark);
            }

            .site-header .navbar-nav .nav-link {
                padding: 12px 14px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }

            .site-header .nav-cta {
                margin-top: 12px;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--dark-2);
            border-bottom: 1px solid var(--border-dark);
            padding: 14px 0;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
        }

        .breadcrumb-bar .breadcrumb-item {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--neon);
        }

        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--accent);
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.75);
        }

        .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            padding: 96px 0 80px;
            background:
                linear-gradient(135deg, rgba(11, 16, 24, 0.93), rgba(18, 26, 36, 0.82)),
                url('/assets/images/backpic/back-1.webp') no-repeat center center / cover;
            border-bottom: 1px solid var(--border-dark);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(226, 56, 45, 0.28), transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-label {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--neon);
            border: 1px solid rgba(0, 229, 199, 0.4);
            border-radius: var(--radius-pill);
            padding: 5px 16px;
            margin-bottom: 18px;
            background: rgba(0, 229, 199, 0.06);
        }

        .category-hero h1 {
            font-size: clamp(1.75rem, 3vw + 0.75rem, 2.75rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .category-hero .hero-sub {
            font-size: 1.0625rem;
            color: #C9D1D9;
            max-width: 560px;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .category-hero .hero-desc {
            font-size: 0.9375rem;
            color: #8B949E;
            max-width: 580px;
            margin-bottom: 32px;
        }

        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-stats {
            display: flex;
            gap: 42px;
            margin-top: 44px;
            flex-wrap: wrap;
        }

        .hero-stats .stat-item {
            text-align: left;
        }

        .hero-stats .stat-num {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--neon);
            line-height: 1.1;
            font-family: 'SF Mono', 'Roboto Mono', monospace;
        }

        .hero-stats .stat-label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ========== Intro Block (text left, image right) ========== */
        .intro-block {
            background: var(--white);
        }

        .intro-block .section-title {
            font-size: 1.875rem;
        }

        .intro-block .intro-text {
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.9375rem;
            color: var(--text-title);
            padding: 8px 0;
            line-height: 1.6;
        }

        .feature-list li i {
            color: var(--primary);
            font-size: 1.0625rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 14px 36px rgba(11, 16, 24, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .intro-image:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .intro-image img {
            display: block;
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .intro-image .float-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(11, 16, 24, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-pill);
            padding: 10px 18px;
            font-size: 0.8125rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .intro-image .float-badge i {
            color: var(--neon);
        }

        @media (max-width: 991px) {
            .intro-image {
                margin-top: 32px;
            }

            .intro-image img {
                height: 280px;
            }
        }

        /* ========== Cards Grid ========== */
        .play-grid {
            background: var(--light);
        }

        .play-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .play-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(226, 56, 45, 0.2);
        }

        .play-card .card-media {
            position: relative;
            height: 160px;
            overflow: hidden;
            background: linear-gradient(145deg, #e5e7eb, #d1d5db);
        }

        .play-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .play-card:hover .card-media img {
            transform: scale(1.05);
        }

        .play-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(226, 56, 45, 0.3);
            letter-spacing: 0.02em;
        }

        .play-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .play-card .card-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .play-card .card-body p {
            font-size: 0.875rem;
            color: #6B7280;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .play-card .card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition), gap var(--transition);
        }

        .play-card .card-link:hover {
            color: var(--neon);
            gap: 10px;
        }

        .play-card .card-link i {
            font-size: 0.8125rem;
        }

        /* ========== Feature Dark Section ========== */
        .feature-dark {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .feature-dark::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(226, 56, 45, 0.15), transparent 70%);
            pointer-events: none;
        }

        .feature-dark .section-title {
            color: #fff;
        }

        .feature-dark .section-lead {
            color: #C9D1D9;
        }

        .feature-dark .section-label {
            background: rgba(255, 184, 0, 0.1);
            color: var(--accent);
        }

        .feature-card {
            background: var(--dark-2);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 199, 0.3);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.3);
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(226, 56, 45, 0.16), rgba(255, 184, 0, 0.16));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--accent);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.875rem;
            color: #8B949E;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Process Steps ========== */
        .process-section {
            background: var(--white);
        }

        .step-card {
            text-align: center;
            padding: 32px 22px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--white);
            height: 100%;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E2382D, #C91818);
            color: #fff;
            font-size: 1.0625rem;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 4px 16px rgba(226, 56, 45, 0.3);
        }

        .step-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.875rem;
            color: #6B7280;
            line-height: 1.7;
            margin: 0;
        }

        .step-connect {
            display: none;
        }

        @media (min-width: 992px) {
            .step-connect {
                display: block;
                position: absolute;
                top: 50%;
                right: -22px;
                width: 36px;
                height: 2px;
                background: linear-gradient(90deg, var(--primary), var(--accent));
                opacity: 0.4;
                z-index: 2;
            }
        }

        /* ========== FAQ Accordion ========== */
        .faq-section {
            background: var(--light);
        }

        .faq-wrap {
            max-width: 780px;
        }

        .faq-wrap .accordion-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .faq-wrap .accordion-item:hover {
            border-color: rgba(0, 229, 199, 0.3);
            box-shadow: 0 4px 18px rgba(11, 16, 24, 0.08);
        }

        .faq-wrap .accordion-button {
            background: var(--white);
            color: var(--text-dark);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            box-shadow: none;
            position: relative;
            border-left: 4px solid transparent;
            border-radius: 0 !important;
            transition: color var(--transition), border-color var(--transition);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: var(--white);
            color: var(--text-dark);
            border-left-color: var(--neon);
            box-shadow: none;
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
        }

        .faq-wrap .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E2382D'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform var(--transition);
        }

        .faq-wrap .accordion-body {
            padding: 0 24px 20px;
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.75;
            border-top: 1px solid rgba(11, 16, 24, 0.04);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--dark);
            position: relative;
            padding: 80px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(226, 56, 45, 0.2), transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            padding: 48px 32px;
            border: 1px solid rgba(0, 229, 199, 0.25);
            border-radius: var(--radius-lg);
            background: rgba(18, 26, 36, 0.5);
            box-shadow: 0 0 30px rgba(0, 229, 199, 0.06);
        }

        .cta-inner .section-label {
            background: rgba(255, 184, 0, 0.1);
            color: var(--accent);
        }

        .cta-inner h2 {
            font-size: 1.875rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 1rem;
            color: #C9D1D9;
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: #8B949E;
            font-size: 0.875rem;
        }

        .site-footer .footer-border {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon), transparent);
            margin-bottom: 48px;
        }

        .site-footer .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .logo-main {
            font-size: 1.375rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, #fff, #FFB800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-footer .logo-sub {
            font-size: 0.6875rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            padding: 2px 6px;
        }

        .site-footer p {
            color: #8B949E;
            line-height: 1.7;
            margin-top: 16px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

        .site-footer ul li {
            padding: 5px 0;
            color: #8B949E;
        }

        .site-footer ul li a {
            color: #8B949E;
            transition: color var(--transition), padding-left var(--transition);
        }

        .site-footer ul li a:hover,
        .site-footer ul li a:focus {
            color: var(--neon);
            padding-left: 4px;
        }

        .site-footer ul li i {
            color: var(--accent);
            width: 20px;
        }

        .site-footer .footer-copyright {
            border-top: 1px solid var(--border-dark);
            margin-top: 40px;
            padding: 22px 0 28px;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .section {
                padding: 56px 0;
            }

            .category-hero {
                padding: 64px 0 56px;
            }

            .hero-stats {
                gap: 28px;
            }

            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 48px 0;
            }

            .category-hero {
                padding: 48px 0 40px;
                text-align: center;
            }

            .category-hero .hero-sub,
            .category-hero .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .category-hero .hero-actions {
                justify-content: center;
            }

            .hero-stats {
                justify-content: center;
                gap: 24px;
            }

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

            .section-title {
                font-size: 1.375rem;
            }

            .cta-inner {
                padding: 32px 20px;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-actions .btn-brand-gradient,
            .cta-actions .btn-outline-neon {
                text-align: center;
            }
        }

        @media (min-width: 992px) {
            .site-header .container {
                display: flex;
                align-items: center;
                justify-content: space-between;
            }
        }

/* roulang page: category2 */
:root {
            --brand-red: #E2382D;
            --brand-red-dark: #C91818;
            --brand-gold: #FFB800;
            --brand-gold-light: #FFCD4D;
            --brand-gold-dark: #FF8A00;
            --neon-cyan: #00E5C7;
            --dark-bg: #0B1018;
            --dark-bg-2: #121A24;
            --light-bg: #F6F7F9;
            --white: #FFFFFF;
            --text-dark: #111827;
            --text-sub: #1F2937;
            --text-body: #4B5563;
            --text-muted: #9CA3AF;
            --border-light: rgba(11,16,24,0.08);
            --border-dark: rgba(255,255,255,0.08);
            --gradient-brand: linear-gradient(135deg, #E2382D, #C91818);
            --gradient-gold: linear-gradient(135deg, #FFB800, #FF8A00);
            --gradient-brand-gold: linear-gradient(135deg, #E2382D, #FFB800);
            --shadow-card: 0 4px 12px rgba(17,24,39,0.06);
            --shadow-hover: 0 12px 28px rgba(226,56,45,0.14);
            --shadow-neon: 0 0 20px rgba(0,229,199,0.35);
            --shadow-gold: 0 0 24px rgba(255,184,0,0.35);
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            margin: 0;
            color: var(--text-body);
            background: var(--white);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .container {
            max-width: 1200px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--dark-bg);
            border-bottom: 1px solid var(--border-dark);
            padding: 0;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            padding: 0;
            margin: 0;
            font-family: inherit;
            white-space: nowrap;
        }

        .logo-main {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            background: var(--gradient-gold);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 18px rgba(255,184,0,0.2);
        }

        .logo-sub {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 1px;
            margin-top: 6px;
        }

        .navbar {
            padding: 0;
            flex: 1;
            justify-content: flex-end;
        }

        .navbar-nav .nav-link {
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            position: relative;
            transition: color var(--transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-gold);
        }

        .navbar-nav .nav-link.active {
            color: var(--brand-gold);
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--neon-cyan);
            box-shadow: var(--shadow-neon);
            border-radius: 2px;
        }

        .nav-cta .btn-brand-gradient {
            background: var(--gradient-brand-gold);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 8px 24px;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta .btn-brand-gradient:hover {
            box-shadow: 0 0 18px rgba(255,184,0,0.45);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            border-radius: 6px;
            padding: 4px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0,229,199,0.25);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%2300E5C7' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--dark-bg);
                border-top: 1px solid var(--border-dark);
                padding: 12px 0;
                margin-top: 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px;
                border-bottom: 1px solid rgba(255,255,255,0.06);
            }
            .nav-cta {
                padding: 14px 16px 6px;
            }
        }

        @media (max-width: 575.98px) {
            .logo-main {
                font-size: 18px;
            }
            .logo-sub {
                font-size: 10px;
            }
        }

        /* ============ 面包屑 ============ */
        .page-breadcrumb {
            background: var(--light-bg);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            font-size: 14px;
        }

        .page-breadcrumb a {
            color: var(--text-muted);
        }

        .page-breadcrumb a:hover {
            color: var(--brand-red);
        }

        .page-breadcrumb .separator {
            color: var(--text-muted);
            margin: 0 8px;
        }

        .page-breadcrumb .current {
            color: var(--text-body);
            font-weight: 500;
        }

        /* ============ Hero ============ */
        .category-hero {
            position: relative;
            padding: 72px 0 64px;
            background: var(--dark-bg);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -60%;
            left: -10%;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(226,56,45,0.35), transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') no-repeat right center / cover;
            opacity: 0.25;
            mask-image: linear-gradient(90deg, transparent, #000 70%);
            -webkit-mask-image: linear-gradient(90deg, transparent, #000 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0,229,199,0.12);
            color: var(--neon-cyan);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0,229,199,0.3);
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: clamp(1.9rem, 3.5vw + 0.8rem, 3rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
        }

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

        .category-hero .hero-sub {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-btns .btn-brand-gradient {
            background: var(--gradient-brand-gold);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition);
            font-size: 15px;
            margin-right: 12px;
        }

        .hero-btns .btn-brand-gradient:hover {
            box-shadow: 0 0 22px rgba(255,184,0,0.4);
            transform: translateY(-2px);
        }

        .hero-btns .btn-outline-cyan {
            color: var(--neon-cyan);
            border: 1px solid var(--neon-cyan);
            background: transparent;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .hero-btns .btn-outline-cyan:hover {
            background: rgba(0,229,199,0.1);
            box-shadow: var(--shadow-neon);
            color: var(--neon-cyan);
        }

        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 40px;
        }

        .hero-metrics .metric {
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-pill);
            padding: 12px 22px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-metrics .metric .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--neon-cyan);
            font-family: 'SF Mono', 'Consolas', monospace;
        }

        .hero-metrics .metric .label {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: 48px 0 40px;
                text-align: center;
            }
            .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-btns .btn-brand-gradient,
            .hero-btns .btn-outline-cyan {
                display: block;
                width: 100%;
                margin: 0 0 12px 0;
            }
            .hero-metrics {
                justify-content: center;
            }
        }

        /* ============ 分类介绍 ============ */
        .section-intro {
            padding: 80px 0;
            background: var(--white);
        }

        .section-intro .intro-block {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .intro-text {
            flex: 1;
        }

        .intro-text .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            background: rgba(226,56,45,0.06);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .intro-text h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .intro-text p {
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .intro-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .intro-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            color: var(--text-sub);
            font-size: 14px;
        }

        .intro-list li i {
            color: var(--brand-red);
            font-size: 14px;
        }

        .intro-image {
            flex: 0 0 420px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }

        @media (max-width: 991.98px) {
            .intro-block {
                flex-direction: column;
                gap: 32px;
            }
            .intro-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .intro-image img {
                height: 240px;
            }
        }

        /* ============ 权益卡片网格 ============ */
        .section-perks {
            padding: 80px 0;
            background: var(--light-bg);
        }

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

        .section-heading .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            background: rgba(226,56,45,0.06);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-heading p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 600px;
            margin: 0 auto;
        }

        .perk-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .perk-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--gradient-brand);
            border-radius: 0 0 4px 0;
            transition: width var(--transition);
        }

        .perk-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(226,56,45,0.2);
        }

        .perk-card:hover::before {
            width: 100%;
        }

        .perk-card .perk-icon {
            width: 52px;
            height: 52px;
            background: rgba(226,56,45,0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-red);
            margin-bottom: 18px;
            transition: all var(--transition);
        }

        .perk-card:hover .perk-icon {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 6px 16px rgba(226,56,45,0.25);
        }

        .perk-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .perk-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .perk-card .perk-meta {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .perk-card .perk-meta i {
            color: var(--neon-cyan);
        }

        /* ============ 成长流程 ============ */
        .section-steps {
            padding: 80px 0;
            background: var(--dark-bg);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .section-steps::after {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,184,0,0.12), transparent 70%);
            pointer-events: none;
        }

        .section-steps .section-heading h2 {
            color: #fff;
        }

        .section-steps .section-heading p {
            color: var(--text-muted);
        }

        .step-row {
            display: flex;
            gap: 24px;
            justify-content: space-between;
            margin-top: 40px;
            position: relative;
            z-index: 2;
        }

        .step-item {
            flex: 1;
            text-align: center;
            padding: 0 12px;
            position: relative;
        }

        .step-item:not(:last-child)::after {
            content: "";
            position: absolute;
            top: 32px;
            right: -12px;
            width: 24px;
            height: 2px;
            background: rgba(255,184,0,0.3);
        }

        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--dark-bg-2);
            border: 2px solid var(--brand-gold);
            color: var(--brand-gold);
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-family: 'SF Mono', 'Consolas', monospace;
            box-shadow: 0 0 18px rgba(255,184,0,0.1);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 767.98px) {
            .step-row {
                flex-direction: column;
                gap: 32px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
        }

        /* ============ FAQ ============ */
        .section-faq {
            padding: 80px 0;
            background: var(--white);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            border: none;
            border-radius: 12px;
            margin-bottom: 14px;
            background: var(--light-bg);
            overflow: hidden;
        }

        .faq-wrap .accordion-button {
            background: var(--light-bg);
            color: var(--text-dark);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            position: relative;
        }

        .faq-wrap .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23E2382D' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transition: transform var(--transition);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--brand-red);
            background: var(--light-bg);
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border: none;
        }

        .faq-wrap .accordion-button:hover {
            color: var(--brand-red);
        }

        .faq-wrap .accordion-body {
            background: var(--light-bg);
            padding: 0 24px 20px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            border-top: 1px solid var(--border-light);
        }

        /* ============ CTA ============ */
        .section-cta {
            padding: 72px 0;
            background: var(--dark-bg);
            position: relative;
            overflow: hidden;
        }

        .section-cta .cta-inner {
            text-align: center;
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(0,229,199,0.25);
            border-radius: var(--radius-lg);
            padding: 56px 32px;
            position: relative;
        }

        .section-cta .cta-inner::before {
            content: "";
            position: absolute;
            top: 12px;
            right: 12px;
            left: 12px;
            bottom: 12px;
            border: 1px solid rgba(255,184,0,0.08);
            border-radius: 12px;
            pointer-events: none;
        }

        .section-cta h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .section-cta h2 .text-gradient {
            background: var(--gradient-gold);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-cta p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 500px;
            margin: 0 auto 32px;
        }

        .section-cta .btn-brand-gradient {
            background: var(--gradient-brand-gold);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 40px;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition);
            display: inline-block;
        }

        .section-cta .btn-brand-gradient:hover {
            box-shadow: 0 0 24px rgba(255,184,0,0.45);
            transform: translateY(-2px) scale(1.02);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--dark-bg);
            color: #fff;
            padding: 64px 0 0;
            border-top: 3px solid;
            border-image: linear-gradient(90deg, var(--brand-red), var(--brand-gold), var(--neon-cyan)) 1;
        }

        .footer-border {
            display: none;
        }

        .site-footer p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

        .site-footer ul li {
            padding: 5px 0;
        }

        .site-footer ul li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .site-footer ul li i {
            color: var(--neon-cyan);
            width: 18px;
        }

        .footer-copyright {
            border-top: 1px solid var(--border-dark);
            margin-top: 40px;
            padding: 20px 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding-top: 40px;
            }
            .footer-copyright {
                margin-top: 24px;
                text-align: center;
            }
        }

        /* ============ 通用 ============ */
        .section-spacer {
            height: 80px;
        }

        @media (max-width: 767.98px) {
            .section-spacer {
                height: 56px;
            }
            .section-intro,
            .section-perks,
            .section-steps,
            .section-faq,
            .section-cta {
                padding: 56px 0;
            }
        }

/* roulang page: article */
:root {
            --brand-red: #E2382D;
            --brand-red-dark: #C91818;
            --brand-gold: #FFB800;
            --brand-gold-deep: #FF8A00;
            --neon-cyan: #00E5C7;
            --dark-bg: #0B1018;
            --dark-bg-2: #121A24;
            --light-bg: #F6F7F9;
            --white: #FFFFFF;
            --text-main: #111827;
            --text-sub: #1F2937;
            --text-body: #4B5563;
            --text-muted: #9CA3AF;
            --text-white: #FFFFFF;
            --text-white-2: #C9D1D9;
            --text-white-3: #8B949E;
            --border-light: rgba(11, 16, 24, 0.08);
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-large: 16px;
            --radius-medium: 8px;
            --radius-small: 4px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 12px rgba(17, 24, 39, 0.06);
            --shadow-hero-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 28px rgba(226, 56, 45, 0.14);
            --shadow-glow: 0 0 20px rgba(0, 229, 199, 0.35);
            --gradient-brand: linear-gradient(135deg, #E2382D, #C91818);
            --gradient-gold: linear-gradient(135deg, #FFB800, #FF8A00);
            --transition: 0.25s ease;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--white);
            color: var(--text-body);
            line-height: 1.7;
            overflow-x: hidden;
            padding-top: 72px;
            margin: 0;
        }

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

        a {
            color: inherit;
        }

        .container {
            max-width: var(--container-max);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            width: 100%;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--dark-bg);
            border-bottom: 1px solid var(--border-dark);
            height: 72px;
            display: flex;
            align-items: center;
            backdrop-filter: blur(10px);
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0;
            margin: 0;
            font-size: 0;
            line-height: 1;
        }

        .logo-main {
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #ffffff 40%, var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .logo-sub {
            font-weight: 500;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 1px;
            margin-top: 2px;
        }

        .site-header .navbar {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            flex: 1;
            padding: 0 !important;
            background: transparent;
        }

        .site-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 6px;
            padding: 4px 8px;
            color: var(--neon-cyan);
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 199, 0.2);
            outline: none;
        }

        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%2300E5C7' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        .site-header .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 8px 14px !important;
            position: relative;
            transition: all var(--transition);
            border-radius: 4px;
            white-space: nowrap;
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 229, 199, 0.6);
            transition: width var(--transition);
        }

        .site-header .nav-link:hover {
            color: var(--brand-gold);
        }

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            width: 70%;
        }

        .site-header .nav-link.active {
            color: var(--brand-gold) !important;
            text-shadow: 0 0 12px rgba(255, 184, 0, 0.45);
        }

        .site-header .nav-cta {
            margin-left: 12px;
        }

        .btn-brand-gradient {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-medium);
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            text-decoration: none;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(226, 56, 45, 0.25);
            cursor: pointer;
        }

        .btn-brand-gradient:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(226, 56, 45, 0.35), 0 0 0 2px rgba(255, 184, 0, 0.35);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-medium);
            border: 1px solid rgba(11, 16, 24, 0.15);
            background: var(--white);
            color: var(--text-main);
            font-size: 0.9375rem;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-ghost:hover {
            border-color: var(--neon-cyan);
            color: var(--dark-bg);
            box-shadow: 0 4px 12px rgba(0, 229, 199, 0.15);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: scale(0.98);
        }

        .article-hero {
            position: relative;
            padding: 110px 0 80px;
            background-image: linear-gradient(135deg, rgba(11, 16, 24, 0.94), rgba(18, 26, 36, 0.88)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border-dark);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%), linear-gradient(-45deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0, 229, 199, 0.12), transparent 70%);
            pointer-events: none;
        }

        .breadcrumb-nav {
            position: relative;
            z-index: 1;
            margin-bottom: 28px;
        }

        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 0;
            margin: 0;
        }

        .breadcrumb-nav li {
            display: inline-flex;
            align-items: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
        }

        .breadcrumb-nav li+li::before {
            content: '›';
            margin-right: 8px;
            color: rgba(255, 255, 255, 0.35);
            font-size: 1.125rem;
            line-height: 1;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--neon-cyan);
        }

        .breadcrumb-nav li.active {
            color: var(--brand-gold);
            max-width: 420px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero-content {
            position: relative;
            z-index: 1;
            max-width: 860px;
            color: var(--text-white);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 199, 0.12);
            border: 1px solid rgba(0, 229, 199, 0.3);
            color: var(--neon-cyan);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }

        .article-hero-content h1 {
            font-size: clamp(1.75rem, 3vw + 0.75rem, 2.75rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
            text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .article-hero-excerpt {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 28px;
            border-left: 3px solid var(--neon-cyan);
            padding-left: 16px;
        }

        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            color: var(--text-white-2);
            font-size: 0.875rem;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .meta-item i {
            color: var(--brand-gold);
            font-size: 1rem;
        }

        .article-section {
            padding: 60px 0 80px;
            background: var(--light-bg);
            position: relative;
        }

        .article-frame {
            background: var(--white);
            border-radius: var(--radius-large);
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 4vw, 56px);
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .article-content {
            max-width: 780px;
            margin: 0 auto;
            color: var(--text-body);
            font-size: 1rem;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 48px 0 16px;
            padding-top: 8px;
            border-bottom: 2px solid rgba(0, 229, 199, 0.15);
            padding-bottom: 10px;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 36px 0 12px;
        }

        .article-content h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-sub);
            margin: 28px 0 10px;
        }

        .article-content p {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 20px;
        }

        .article-content a {
            color: var(--brand-red);
            text-decoration: underline;
            transition: color var(--transition);
        }

        .article-content a:hover {
            color: var(--neon-cyan);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-content blockquote {
            border-left: 4px solid var(--neon-cyan);
            background: #F9FAFB;
            border-radius: 8px;
            padding: 20px 24px;
            margin: 28px 0;
            color: var(--text-body);
        }

        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 24px 0;
        }

        .article-content .wp-caption,
        .article-content figure {
            margin: 24px 0;
        }

        .article-content .wp-caption-text,
        .article-content figcaption {
            font-size: 0.8125rem;
            color: var(--text-muted);
            text-align: center;
            padding: 8px 0 0;
            line-height: 1.5;
        }

        .article-tags {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            background: #F3F4F6;
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.8125rem;
            color: var(--text-body);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .article-tags .tag:hover {
            background: rgba(0, 229, 199, 0.1);
            color: var(--dark-bg);
            border-color: var(--neon-cyan);
        }

        .article-actions {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-not-found {
            text-align: center;
            padding: 40px 24px;
        }

        .article-not-found .not-found-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 24px;
            background: rgba(226, 56, 45, 0.08);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--brand-red);
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-body);
            margin-bottom: 24px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        .related-section {
            padding: 80px 0;
            background: var(--white);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(226, 56, 45, 0.1);
            color: var(--brand-red);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 1.875rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            margin: 0;
        }

        .related-card {
            display: block;
            height: 100%;
            background: var(--white);
            border-radius: var(--radius-large);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 199, 0.25);
        }

        .related-cover {
            position: relative;
            display: block;
            height: 160px;
            overflow: hidden;
            background: linear-gradient(135deg, #e5e7eb, #f3f4f6);
        }

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

        .related-card:hover .related-cover img {
            transform: scale(1.05);
        }

        .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 16, 24, 0.35), transparent 60%);
            display: flex;
            align-items: flex-end;
            justify-content: flex-end;
            padding: 16px;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .related-card:hover .cover-overlay {
            opacity: 1;
        }

        .cover-overlay i {
            color: var(--neon-cyan);
            font-size: 1.25rem;
            background: rgba(11, 16, 24, 0.6);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            backdrop-filter: blur(4px);
        }

        .related-body {
            display: block;
            padding: 20px 24px 24px;
        }

        .related-cat {
            display: inline-block;
            background: rgba(226, 56, 45, 0.1);
            color: var(--brand-red);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .related-title {
            display: block;
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .related-card:hover .related-title {
            color: var(--brand-red);
        }

        .related-meta {
            display: block;
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .related-meta i {
            margin-right: 4px;
        }

        .cta-section {
            padding: 20px 0 80px;
            background: var(--white);
        }

        .cta-box {
            text-align: center;
            background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-2));
            border-radius: 20px;
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 229, 199, 0.15);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 229, 199, 0.12), transparent 70%);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(226, 56, 45, 0.12), transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            color: var(--text-white);
            font-size: clamp(1.5rem, 2.5vw, 2.125rem);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-brand-gradient {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 12px 32px;
        }

        .site-footer {
            background: var(--dark-bg);
            color: var(--text-white-2);
            padding: 64px 0 0;
            position: relative;
        }

        .footer-border {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--brand-gold), transparent);
            margin-bottom: 40px;
        }

        .site-footer .navbar-brand {
            display: inline-flex;
            margin-bottom: 16px;
        }

        .site-footer .navbar-brand .logo-main {
            background: linear-gradient(135deg, #ffffff, var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .site-footer .navbar-brand .logo-sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer p {
            color: var(--text-white-3);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .site-footer h5 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h5::after {
            content: '';
            width: 32px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(135deg, var(--neon-cyan), var(--brand-gold));
            position: absolute;
            bottom: 0;
            left: 0;
        }

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

        .site-footer ul li {
            margin-bottom: 8px;
            font-size: 0.875rem;
            color: var(--text-white-3);
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: all var(--transition);
            display: inline-block;
        }

        .site-footer a:hover {
            color: var(--neon-cyan);
            transform: translateX(4px);
        }

        .footer-copyright {
            border-top: 1px solid var(--border-dark);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.875rem;
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
        }

        @media (max-width: 991.98px) {
            .article-hero {
                padding: 100px 0 64px;
            }

            .related-cover {
                height: 140px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-top: 64px;
            }

            .site-header {
                height: 64px;
            }

            .logo-main {
                font-size: 1.25rem;
            }

            .logo-sub {
                font-size: 0.75rem;
            }

            .article-hero {
                padding: 80px 0 48px;
            }

            .article-hero-content h1 {
                font-size: 1.625rem;
            }

            .article-hero-excerpt {
                font-size: 0.9375rem;
            }

            .article-hero-meta {
                gap: 8px 18px;
                font-size: 0.8125rem;
            }

            .article-section {
                padding: 40px 0 56px;
            }

            .article-frame {
                padding: 24px 20px;
                border-radius: 12px;
            }

            .related-section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cta-section {
                padding: 16px 0 56px;
            }

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

            .site-header .navbar-collapse {
                background: rgba(11, 16, 24, 0.98);
                border-radius: 0 0 16px 16px;
                padding: 16px 8px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-top: none;
                margin-top: 12px;
                box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
            }

            .site-header .navbar-nav .nav-item + .nav-item {
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }

            .site-header .navbar-nav .nav-link {
                padding: 12px 14px !important;
                display: block;
            }

            .site-header .nav-link::after {
                display: none;
            }

            .site-header .nav-cta {
                padding: 12px 14px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin: 8px 0 0;
            }

            .site-header .nav-cta .btn-brand-gradient {
                width: 100%;
                justify-content: center;
            }

            .breadcrumb-nav li.active {
                max-width: 240px;
            }
        }

        @media (max-width: 575.98px) {
            .article-hero {
                padding: 64px 0 40px;
            }

            .breadcrumb-nav {
                margin-bottom: 20px;
            }

            .breadcrumb-nav li {
                font-size: 0.8125rem;
            }

            .article-hero-content h1 {
                font-size: 1.375rem;
            }

            .article-hero-excerpt {
                font-size: 0.875rem;
                padding-left: 12px;
            }

            .article-content {
                font-size: 0.9375rem;
            }

            .article-content h2 {
                font-size: 1.25rem;
                margin-top: 36px;
            }

            .article-content h3 {
                font-size: 1.125rem;
            }

            .related-cover {
                height: 120px;
            }

            .related-body {
                padding: 16px 18px 20px;
            }

            .related-title {
                font-size: 1rem;
            }

            .cta-box h2 {
                font-size: 1.375rem;
            }

            .cta-box p {
                font-size: 0.9375rem;
            }

            .footer-copyright {
                padding: 16px 0;
                font-size: 0.8125rem;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --brand-red: #E2382D;
            --brand-red-dark: #C91818;
            --brand-gradient: linear-gradient(135deg, #E2382D, #C91818);
            --brand-gold: #FFB800;
            --gold-gradient: linear-gradient(135deg, #FFB800, #FF8A00);
            --neon-cyan: #00E5C7;
            --dark-bg: #0B1018;
            --dark-bg-2: #121A24;
            --light-bg: #F6F7F9;
            --white: #FFFFFF;
            --text-head: #111827;
            --text-sub: #1F2937;
            --text-body: #4B5563;
            --text-weak: #9CA3AF;
            --dark-text-main: #FFFFFF;
            --dark-text-sub: #C9D1D9;
            --dark-text-weak: #8B949E;
            --border-light: rgba(11, 16, 24, 0.08);
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 12px rgba(17, 24, 39, 0.06);
            --shadow-hover: 0 12px 28px rgba(226, 56, 45, 0.14);
            --shadow-neon: 0 0 20px rgba(0, 229, 199, 0.35);
            --transition-base: 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--light-bg);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 15px;
            padding-top: 72px;
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-head);
            line-height: 1.3;
            font-weight: 700;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1200px;
            }
        }

        /* ===== 通用区块容器 ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-head h2 {
            font-size: 2rem;
            margin: 14px 0 12px;
            letter-spacing: -0.02em;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 0.9375rem;
            margin: 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(226, 56, 45, 0.08);
            color: var(--brand-red);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }
        .section-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-gold);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--dark-bg);
            border-bottom: 1px solid var(--border-dark);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header>.container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            line-height: 1.1;
            padding: 0;
            margin: 0;
            transition: transform var(--transition-base);
        }
        .navbar-brand:hover {
            transform: translateY(-2px);
        }
        .logo-main {
            color: var(--white);
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }
        .logo-sub {
            color: var(--brand-gold);
            font-size: 0.65rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            margin-top: 2px;
        }
        .navbar {
            flex-wrap: nowrap;
        }
        .navbar-nav {
            gap: 6px;
        }
        .nav-link {
            color: var(--dark-text-sub) !important;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px !important;
            border-radius: var(--radius-md);
            position: relative;
            transition: color var(--transition-base), background var(--transition-base);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition-base);
            box-shadow: 0 0 8px rgba(0, 229, 199, 0.6);
        }
        .nav-link:hover {
            color: var(--brand-gold) !important;
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--brand-gold) !important;
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-cta {
            margin-left: 12px;
        }
        .navbar-toggler {
            border: 1px solid rgba(0, 229, 199, 0.4) !important;
            border-radius: var(--radius-md);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 199, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,229,199,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--dark-bg-2);
                border-radius: var(--radius-lg);
                margin-top: 12px;
                padding: 16px;
                border: 1px solid var(--border-dark);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
            }
            .navbar-nav {
                gap: 0;
            }
            .nav-link {
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                border-radius: 0;
                padding: 14px 10px !important;
            }
            .nav-link::after {
                display: none;
            }
            .nav-cta {
                margin: 12px 0 0;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .navbar-collapse .btn-brand-gradient {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            body {
                padding-top: 68px;
            }
            .site-header {
                height: 68px;
            }
            .logo-main {
                font-size: 1.2rem;
            }
            .logo-sub {
                font-size: 0.55rem;
            }
        }

        /* ===== 按钮系统 ===== */
        .btn-brand-gradient,
        .btn-brand-solid,
        .btn-neon-outline,
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition-base);
            min-height: 46px;
        }
        .btn-brand-gradient {
            background: var(--brand-gradient);
            color: var(--white) !important;
            box-shadow: 0 4px 16px rgba(226, 56, 45, 0.28);
        }
        .btn-brand-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(226, 56, 45, 0.42), 0 0 0 1px rgba(255, 184, 0, 0.5);
            color: var(--white) !important;
        }
        .btn-brand-solid {
            background: var(--brand-red);
            color: var(--white) !important;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .btn-brand-solid:hover {
            background: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(226, 56, 45, 0.35);
            color: var(--white) !important;
        }
        .btn-neon-outline {
            background: transparent;
            color: var(--neon-cyan) !important;
            border: 1px solid var(--neon-cyan);
        }
        .btn-neon-outline:hover {
            background: rgba(0, 229, 199, 0.1);
            box-shadow: 0 0 18px rgba(0, 229, 199, 0.25);
            transform: translateY(-2px);
            color: var(--neon-cyan) !important;
        }
        .btn-gold {
            background: var(--gold-gradient);
            color: var(--dark-bg) !important;
            box-shadow: 0 4px 16px rgba(255, 184, 0, 0.28);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 184, 0, 0.45);
            color: var(--dark-bg) !important;
        }
        .btn-brand-gradient:active,
        .btn-brand-solid:active,
        .btn-neon-outline:active,
        .btn-gold:active {
            transform: scale(0.98);
        }
        .btn-brand-gradient:focus-visible,
        .btn-brand-solid:focus-visible,
        .btn-neon-outline:focus-visible,
        .btn-gold:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(0, 229, 199, 0.25);
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 108px 0 88px;
            background: linear-gradient(125deg, rgba(11, 16, 24, 0.94) 30%, rgba(226, 56, 45, 0.45)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border-dark);
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 64px;
            background: linear-gradient(180deg, transparent, rgba(11, 16, 24, 0.25));
            pointer-events: none;
        }
        .breadcrumb-nav {
            margin-bottom: 40px;
        }
        .breadcrumb-nav ol {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--dark-text-weak);
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav li::after {
            content: "/";
            color: rgba(255, 255, 255, 0.3);
        }
        .breadcrumb-nav li:last-child::after {
            display: none;
        }
        .breadcrumb-nav a {
            color: var(--dark-text-sub);
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-gold);
        }
        .breadcrumb-nav [aria-current="page"] {
            color: var(--brand-gold);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 184, 0, 0.12);
            border: 1px solid rgba(255, 184, 0, 0.3);
            color: var(--brand-gold);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 22px;
        }
        .category-hero h1 {
            color: var(--white);
            font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
            font-weight: 800;
            margin: 0 0 18px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .category-hero h1 .brand-text {
            background: linear-gradient(135deg, #FFB800, #FF8A00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-sub {
            color: var(--dark-text-sub);
            font-size: 1.0625rem;
            margin: 0 0 34px;
            max-width: 520px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        @media (max-width: 767px) {
            .category-hero {
                padding: 88px 0 64px;
                text-align: center;
            }
            .breadcrumb-nav {
                justify-content: center;
            }
            .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
        }

        /* ===== 介绍短文 ===== */
        .intro-section {
            background: var(--white);
            padding: 80px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .intro-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }
        .intro-badge {
            position: absolute;
            right: 18px;
            bottom: 18px;
            background: var(--dark-bg);
            border: 1px solid rgba(0, 229, 199, 0.4);
            border-radius: var(--radius-lg);
            padding: 14px 22px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            box-shadow: var(--shadow-neon);
        }
        .intro-badge strong {
            color: var(--neon-cyan);
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .intro-badge span {
            color: var(--dark-text-sub);
            font-size: 12px;
            letter-spacing: 0.08em;
        }
        .intro-content {
            padding-left: 24px;
        }
        .intro-content h2 {
            font-size: 1.875rem;
            margin: 14px 0 18px;
            letter-spacing: -0.01em;
        }
        .intro-content p {
            color: var(--text-body);
            font-size: 0.9375rem;
            margin-bottom: 18px;
        }
        .check-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
            display: grid;
            gap: 14px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-sub);
            font-size: 0.875rem;
        }
        .check-list li i {
            color: var(--brand-red);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        @media (max-width: 991px) {
            .intro-content {
                padding-left: 0;
                margin-top: 36px;
            }
        }
        @media (max-width: 767px) {
            .intro-section {
                padding: 56px 0;
            }
            .intro-image img {
                height: 280px;
            }
            .intro-content h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 时间线流程 ===== */
        .timeline-section {
            background: var(--dark-bg);
            padding: 80px 0;
        }
        .timeline-section .section-head h2 {
            color: var(--white);
        }
        .timeline-section .section-head p {
            color: var(--dark-text-weak);
        }
        .timeline-section .section-tag {
            background: rgba(0, 229, 199, 0.1);
            color: var(--neon-cyan);
        }
        .timeline {
            position: relative;
            max-width: 880px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 42px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--neon-cyan), var(--brand-red));
            opacity: 0.6;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 48px 116px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: 0;
            top: 0;
            width: 86px;
            height: 86px;
            border-radius: 50%;
            background: var(--dark-bg-2);
            border: 2px solid var(--neon-cyan);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 6px rgba(0, 229, 199, 0.06), 0 4px 18px rgba(0, 0, 0, 0.3);
        }
        .timeline-dot .num {
            color: var(--brand-gold);
            font-size: 1.25rem;
            font-weight: 800;
            line-height: 1;
        }
        .timeline-dot .label {
            color: var(--dark-text-weak);
            font-size: 10px;
            margin-top: 4px;
            letter-spacing: 0.08em;
        }
        .timeline-card {
            background: var(--dark-bg-2);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 26px 30px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }
        .timeline-card:hover {
            border-color: rgba(0, 229, 199, 0.35);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
        }
        .timeline-card h3 {
            color: var(--white);
            font-size: 1.125rem;
            margin: 0 0 10px;
        }
        .timeline-card p {
            color: var(--dark-text-sub);
            font-size: 0.875rem;
            line-height: 1.75;
            margin: 0;
        }
        @media (max-width: 767px) {
            .timeline-section {
                padding: 56px 0;
            }
            .timeline::before {
                left: 28px;
            }
            .timeline-item {
                padding-left: 78px;
                padding-bottom: 36px;
            }
            .timeline-dot {
                width: 58px;
                height: 58px;
            }
            .timeline-dot .num {
                font-size: 1rem;
            }
            .timeline-dot .label {
                font-size: 9px;
            }
            .timeline-card {
                padding: 20px;
            }
        }

        /* ===== 服务保障卡片 ===== */
        .guard-section {
            background: var(--light-bg);
            padding: 80px 0;
        }
        .guard-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(11, 16, 24, 0.04);
        }
        .guard-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .guard-thumb {
            position: relative;
            height: 170px;
            overflow: hidden;
        }
        .guard-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guard-card:hover .guard-thumb img {
            transform: scale(1.05);
        }
        .guard-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 24, 0.1), rgba(11, 16, 24, 0.45));
        }
        .guard-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guard-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(226, 56, 45, 0.1);
            color: var(--brand-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 16px;
        }
        .guard-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .guard-card p {
            font-size: 0.875rem;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 767px) {
            .guard-section {
                padding: 56px 0;
            }
            .guard-thumb {
                height: 150px;
            }
        }

        /* ===== 承诺横幅 ===== */
        .promise-banner {
            padding: 80px 0;
            background: linear-gradient(120deg, rgba(11, 16, 24, 0.95), rgba(18, 26, 36, 0.92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat fixed;
            position: relative;
        }
        .promise-box {
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
            padding: 40px 48px;
            border: 1px solid rgba(0, 229, 199, 0.3);
            border-radius: var(--radius-lg);
            background: rgba(11, 16, 24, 0.7);
            position: relative;
            overflow: hidden;
        }
        .promise-box::before {
            content: "";
            position: absolute;
            top: -2px;
            left: 20%;
            right: 20%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
        }
        .promise-box h2 {
            color: var(--white);
            font-size: 1.75rem;
            margin: 0 0 18px;
        }
        .promise-box p {
            color: var(--dark-text-sub);
            font-size: 0.9375rem;
            margin: 0 0 32px;
            line-height: 1.8;
        }
        .promise-box .btn-gold {
            min-width: 200px;
        }
        @media (max-width: 767px) {
            .promise-banner {
                padding: 56px 0;
                background-attachment: scroll;
            }
            .promise-box {
                padding: 32px 24px;
            }
            .promise-box h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--white);
            padding: 80px 0;
        }
        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border-light) !important;
            border-radius: var(--radius-lg) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--white);
            box-shadow: 0 2px 8px rgba(17, 24, 39, 0.03);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(0, 229, 199, 0.4) !important;
            box-shadow: 0 8px 20px rgba(0, 229, 199, 0.08);
        }
        .accordion-button {
            background: var(--white);
            border: none;
            color: var(--text-sub);
            font-weight: 600;
            font-size: 1rem;
            padding: 22px 26px;
            box-shadow: none !important;
            position: relative;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E2382D'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
            transition: transform var(--transition-base);
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-red);
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .accordion-button:focus {
            box-shadow: none !important;
            border: none;
        }
        .accordion-body {
            padding: 0 26px 24px;
            font-size: 0.875rem;
            color: var(--text-body);
            line-height: 1.75;
        }
        @media (max-width: 767px) {
            .faq-section {
                padding: 56px 0;
            }
            .accordion-button {
                padding: 18px 18px;
                font-size: 0.9375rem;
            }
            .accordion-body {
                padding: 0 18px 20px;
            }
        }

        /* ===== 联系表单 ===== */
        .contact-section {
            background: var(--light-bg);
            padding: 80px 0;
        }
        .contact-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }
        .contact-info-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
            display: grid;
            gap: 16px;
        }
        .contact-info-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--text-sub);
            font-size: 0.9375rem;
        }
        .contact-info-list li i {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            background: rgba(226, 56, 45, 0.08);
            color: var(--brand-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }
        .contact-form .form-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-sub);
            margin-bottom: 8px;
        }
        .contact-form .form-control,
        .contact-form .form-select {
            height: 48px;
            border: 1px solid rgba(11, 16, 24, 0.12);
            border-radius: var(--radius-md);
            font-size: 0.875rem;
            color: var(--text-sub);
            background: #FAFAFB;
            padding: 0 16px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }
        .contact-form textarea.form-control {
            height: auto;
            min-height: 120px;
            padding: 14px 16px;
            resize: vertical;
        }
        .contact-form .form-control:focus,
        .contact-form .form-select:focus {
            background: var(--white);
            border-color: var(--brand-red);
            box-shadow: 0 0 0 3px rgba(226, 56, 45, 0.12);
            outline: none;
        }
        .contact-form .form-control::placeholder {
            color: var(--text-weak);
        }
        .contact-form .btn-brand-gradient {
            min-width: 180px;
            margin-top: 8px;
        }
        @media (max-width: 991px) {
            .contact-card {
                padding: 32px;
            }
        }
        @media (max-width: 767px) {
            .contact-section {
                padding: 56px 0;
            }
            .contact-card {
                padding: 24px 20px;
            }
            .contact-info-list {
                margin-top: 18px;
            }
            .contact-form .btn-brand-gradient {
                width: 100%;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            padding: 64px 0 0;
        }
        .footer-border {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--brand-red), transparent);
            margin-bottom: 48px;
        }
        .site-footer .navbar-brand {
            margin-bottom: 18px !important;
        }
        .site-footer p {
            color: var(--dark-text-sub);
            font-size: 0.8125rem;
            line-height: 1.75;
        }
        .site-footer h5 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }
        .site-footer ul li {
            color: var(--dark-text-sub);
            font-size: 0.8125rem;
            display: flex;
            align-items: center;
        }
        .site-footer ul li a {
            display: inline-block;
            padding: 4px 0;
            color: var(--dark-text-sub);
            transition: color var(--transition-base), transform var(--transition-base);
        }
        .site-footer ul li a:hover {
            color: var(--brand-gold);
            transform: translateX(3px);
        }
        .footer-copyright {
            margin-top: 44px;
            padding: 22px 0;
            border-top: 1px solid var(--border-dark);
            text-align: center;
        }
        .footer-copyright p {
            color: var(--dark-text-weak);
            font-size: 0.75rem;
            margin: 0;
        }
        @media (max-width: 767px) {
            .site-footer {
                padding-top: 48px;
            }
            .footer-border {
                margin-bottom: 32px;
            }
            .site-footer h5 {
                margin-top: 12px;
            }
            .footer-copyright {
                margin-top: 28px;
            }
        }