/* roulang page: index */
:root {
            --primary-dark: #2B5FA8;
            --primary-light: #4A8CD6;
            --gold-dark: #D9A441;
            --gold-light: #F0C96A;
            --deep-blue: #1E3A5F;
            --bg-base: #F7F9FC;
            --bg-alt: #EDF2F8;
            --text-main: #1F2937;
            --text-sub: #4B5563;
            --text-helper: #9CA3AF;
            --border-color: #E5EAF0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 1px 3px rgba(30, 58, 95, 0.06), 0 8px 24px rgba(30, 58, 95, 0.08);
            --shadow-hover: 0 12px 32px rgba(30, 58, 95, 0.12);
            --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

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

        .section-padding {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }

        .eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--gold-dark);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(217, 164, 65, 0.1);
            padding: 4px 14px;
            border-radius: 999px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 16px rgba(217, 164, 65, 0.35);
            transition: all 0.3s ease;
            border: none;
            min-height: 44px;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 164, 65, 0.45);
            filter: brightness(1.08);
        }

        .btn-gold:active {
            transform: translateY(0);
        }

        .btn-gold:focus-visible {
            outline: 2px solid rgba(217, 164, 65, 0.5);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: all 0.3s ease;
            min-height: 44px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-outline:focus-visible {
            outline: 2px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }

        .card-base {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, 0.4);
        }

        .badge-gold {
            display: inline-block;
            background: #FDF6E8;
            color: #B07D2A;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            line-height: 1.6;
        }

        .badge-active {
            display: inline-block;
            background: rgba(74, 140, 214, 0.12);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        .badge-done {
            display: inline-block;
            background: rgba(74, 140, 214, 0.08);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        .badge-todo {
            display: inline-block;
            background: #F3F4F6;
            color: var(--text-helper);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        /* ====== Header/Nav ====== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all 0.4s ease;
        }

        .site-header.scrolled {
            position: fixed;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(30, 58, 95, 0.08);
        }

        .site-header.scrolled .logo-text,
        .site-header.scrolled .nav-link {
            color: var(--text-main);
        }

        .site-header.scrolled .logo-icon {
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
        }

        .site-header.scrolled .nav-cta {
            background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
            color: #fff;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 2px 8px rgba(217, 164, 65, 0.4);
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color 0.3s ease;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 8px 2px;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gold-dark);
            border-radius: 3px;
            transition: width 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary-light);
        }

        .site-header.scrolled .nav-link:hover {
            color: var(--primary-dark);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .nav-search:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .site-header.scrolled .nav-search {
            color: var(--text-sub);
        }

        .site-header.scrolled .nav-search:hover {
            background: var(--bg-alt);
            color: var(--primary-dark);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            min-height: 40px;
        }

        .nav-cta:hover {
            background: rgba(255, 255, 255, 0.28);
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .site-header.scrolled .menu-toggle {
            color: var(--text-main);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #fff;
            z-index: 200;
            padding: 24px;
            box-shadow: -4px 0 24px rgba(30, 58, 95, 0.15);
            transition: right 0.4s ease;
            flex-direction: column;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .mobile-menu-close {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-sub);
            border-radius: 8px;
        }

        .mobile-menu-close:hover {
            background: var(--bg-alt);
        }

        .mobile-menu-link {
            display: block;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 8px;
            transition: background 0.3s;
        }

        .mobile-menu-link:hover {
            background: var(--bg-alt);
        }

        .mobile-menu-link.active {
            color: var(--primary-dark);
            background: rgba(74, 140, 214, 0.08);
        }

        .mobile-menu-cta {
            margin-top: 24px;
        }

        .menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(30, 58, 95, 0.4);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .menu-overlay.show {
            opacity: 1;
        }

        /* ====== Hero ====== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') no-repeat center center/cover;
            padding-top: 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 95, 0.86), rgba(74, 140, 214, 0.45));
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-bottom: 40px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 20px;
            max-width: 720px;
            letter-spacing: -0.02em;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-trust {
            position: absolute;
            bottom: 40px;
            left: 0;
            right: 0;
            z-index: 2;
            display: flex;
            justify-content: center;
            padding: 0 24px;
        }

        .trust-bar {
            display: flex;
            gap: 48px;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 24px 48px;
            max-width: 800px;
            width: 100%;
            justify-content: center;
        }

        .trust-item {
            text-align: center;
            color: #fff;
        }

        .trust-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold-light);
            display: block;
        }

        .trust-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            display: block;
        }

        .scroll-hint {
            position: absolute;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            animation: bounce 2s infinite;
            text-align: center;
        }

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

        /* ====== 玩法介绍 ====== */
        .steps-section {
            background: var(--bg-base);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, 0.4);
        }

        .step-num {
            font-size: 48px;
            font-weight: 700;
            color: rgba(74, 140, 214, 0.15);
            line-height: 1;
            margin-bottom: 16px;
        }

        .step-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(74, 140, 214, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 18px;
            margin-bottom: 16px;
        }

        .step-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ====== 奖励预览 ====== */
        .rewards-section {
            background: var(--bg-alt);
        }

        .rewards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .reward-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .reward-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, 0.5);
        }

        .reward-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .reward-card:hover .reward-img-wrap img {
            transform: scale(1.05);
        }

        .reward-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .reward-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .reward-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .reward-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .reward-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.3s;
        }

        .reward-link:hover {
            color: var(--gold-dark);
            gap: 8px;
        }

        /* ====== 任务进度 ====== */
        .tasks-section {
            background: var(--deep-blue);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .tasks-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 164, 65, 0.15), transparent 70%);
        }

        .tasks-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(74, 140, 214, 0.2), transparent 70%);
        }

        .task-container {
            position: relative;
            z-index: 1;
        }

        .overall-progress {
            margin-top: 32px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            height: 8px;
            overflow: hidden;
            position: relative;
        }

        .overall-progress-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
            transition: width 1s ease;
            width: 68%;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .task-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .task-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 16px 24px;
            transition: background 0.3s;
        }

        .task-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .task-name {
            font-size: 15px;
            font-weight: 500;
            color: #fff;
            flex: 1;
            min-width: 140px;
        }

        .task-bar-wrap {
            flex: 2;
            height: 6px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            overflow: hidden;
        }

        .task-bar {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary-light), var(--gold-light));
        }

        .task-reward {
            font-size: 13px;
            color: var(--gold-light);
            font-weight: 600;
            white-space: nowrap;
            min-width: 80px;
            text-align: right;
        }

        /* ====== FAQ ====== */
        .faq-section {
            background: var(--deep-blue);
            color: #fff;
            padding-bottom: 80px;
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            margin-top: 32px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: background 0.3s;
        }

        .faq-item.active {
            background: rgba(255, 255, 255, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            gap: 12px;
        }

        .faq-arrow {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--gold-light);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-bottom: 20px;
        }

        .cta-wrap {
            text-align: center;
            margin-top: 48px;
        }

        .cta-wrap .btn-gold {
            font-size: 16px;
            padding: 16px 44px;
        }

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

        .news-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: 0 1px 3px rgba(30, 58, 95, 0.04);
            transition: all 0.3s ease;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(74, 140, 214, 0.3);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }

        .news-title a {
            transition: color 0.3s;
        }

        .news-title a:hover {
            color: var(--primary-dark);
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-sub);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-helper);
        }

        .news-empty {
            text-align: center;
            padding: 48px 24px;
            background: #fff;
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-card);
            color: var(--text-helper);
            font-size: 15px;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .view-all {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0;
            transition: color 0.3s;
        }

        .view-all:hover {
            color: var(--gold-dark);
            gap: 10px;
        }

        /* ====== Footer ====== */
        .site-footer {
            background: var(--deep-blue);
            color: #C7D5E6;
            padding-top: 80px;
            padding-bottom: 32px;
        }

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

        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(199, 213, 230, 0.8);
            margin-top: 16px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(199, 213, 230, 0.8);
            transition: color 0.3s, padding-left 0.3s;
        }

        .footer-links a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-contact {
            font-size: 14px;
            color: rgba(199, 213, 230, 0.8);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--gold-light);
            width: 16px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(199, 213, 230, 0.6);
        }

        /* ====== Responsive ====== */
        @media (max-width: 1023px) {
            .nav-menu {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

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

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

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

            .trust-bar {
                gap: 32px;
                padding: 20px 32px;
            }

            .hero-title {
                font-size: 36px;
            }
        }

        @media (max-width: 767px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .hero {
                min-height: 70vh;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-cta {
                flex-direction: column;
                gap: 12px;
            }

            .hero-cta .btn-gold,
            .hero-cta .btn-outline {
                width: 100%;
            }

            .trust-bar {
                flex-direction: column;
                gap: 16px;
                padding: 16px 24px;
                border-radius: 12px;
                width: 90%;
            }

            .trust-item {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
            }

            .trust-num {
                font-size: 20px;
            }

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

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

            .task-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }

            .task-name {
                flex: 0 0 100%;
                min-width: 0;
            }

            .task-bar-wrap {
                flex: 1;
            }

            .task-reward {
                text-align: left;
                min-width: 0;
            }

            .news-item {
                flex-direction: row;
                gap: 12px;
                padding: 12px;
            }

            .news-thumb {
                width: 88px;
                height: 66px;
            }

            .news-title {
                font-size: 14px;
                -webkit-line-clamp: 2;
            }

            .news-excerpt {
                display: none;
            }

            .news-meta {
                flex-wrap: wrap;
                gap: 6px;
                font-size: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .section-title {
                font-size: 26px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .faq-question {
                padding: 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .nav-cta {
                display: none;
            }

            .logo-text {
                font-size: 15px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .hero-title {
                font-size: 24px;
            }

            .scroll-hint {
                display: none;
            }

            .trust-bar {
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --var-color-primary: #2B5FA8;
            --var-color-primary-light: #4A8CD6;
            --var-color-gold-dark: #D9A441;
            --var-color-gold-light: #F0C96A;
            --var-color-bg: #F7F9FC;
            --var-color-bg-alt: #EDF2F8;
            --var-color-dark: #1E3A5F;
            --var-color-text: #1F2937;
            --var-color-text-secondary: #4B5563;
            --var-color-text-muted: #9CA3AF;
            --var-color-border: #E5EAF0;
            --var-radius-card: 12px;
            --var-radius-btn: 8px;
            --var-radius-pill: 999px;
            --var-shadow-default: 0 1px 3px rgba(30, 58, 95, .06), 0 8px 24px rgba(30, 58, 95, .08);
            --var-shadow-hover: 0 12px 32px rgba(30, 58, 95, .12);
            --var-transition: all .3s ease;
        }

        /* ========== Reset 与基础 ========== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--var-color-text);
            background: var(--var-color-bg);
            -webkit-font-smoothing: antialiased;
        }
        ul,
        ol {
            list-style: none;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--var-transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .10);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, .18);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
            transition: var(--var-transition);
        }
        .site-header.scrolled {
            position: fixed;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 8px 32px rgba(30, 58, 95, .08);
            border-bottom: 1px solid rgba(229, 234, 240, .9);
        }
        .site-header.scrolled .logo-text {
            color: var(--var-color-text);
        }
        .site-header.scrolled .nav-link {
            color: var(--var-color-text);
        }
        .site-header.scrolled .search-btn {
            color: var(--var-color-text);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--var-color-gold-light), var(--var-color-gold-dark));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(217, 164, 65, .35);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
            transition: var(--var-transition);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-link {
            color: rgba(255, 255, 255, .92);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px;
            border-radius: var(--var-radius-pill);
            position: relative;
            transition: var(--var-transition);
            line-height: 1.4;
        }
        .nav-link:hover {
            color: var(--var-color-gold-light);
        }
        .site-header.scrolled .nav-link:hover {
            color: var(--var-color-primary);
        }
        .nav-link.active {
            color: var(--var-color-gold-light);
        }
        .site-header.scrolled .nav-link.active {
            color: var(--var-color-primary);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--var-color-gold-dark);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: #fff;
            font-size: 15px;
            transition: var(--var-transition);
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, .15);
            color: var(--var-color-gold-light);
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: #fff;
            font-size: 18px;
            transition: var(--var-transition);
        }
        .site-header.scrolled .hamburger {
            color: var(--var-color-text);
        }
        .mobile-menu {
            display: block;
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            height: 100vh;
            z-index: 1001;
            background: #fff;
            padding: 90px 28px 32px;
            box-shadow: -12px 0 32px rgba(30, 58, 95, .15);
            transform: translateX(100%);
            transition: transform .35s ease;
            overflow-y: auto;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu .nav-link {
            color: var(--var-color-text);
            font-size: 17px;
            font-weight: 500;
            padding: 14px 0;
            display: block;
            border-bottom: 1px solid #F0F2F6;
        }
        .mobile-menu .nav-link.active {
            color: var(--var-color-primary);
        }
        .mobile-menu .nav-link.active::after {
            display: none;
        }
        .mobile-menu .btn {
            margin-top: 28px;
            width: 100%;
            justify-content: center;
        }
        .menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(30, 58, 95, .4);
            z-index: 1000;
        }
        .menu-overlay.show {
            display: block;
        }
        .menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F3F5F8;
            color: var(--var-color-text);
            font-size: 18px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--var-radius-btn);
            transition: var(--var-transition);
            line-height: 1.4;
            position: relative;
        }
        .btn:focus-visible {
            outline: 2px solid rgba(217, 164, 65, .5);
            outline-offset: 2px;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--var-color-gold-light), var(--var-color-gold-dark));
            color: #fff;
            box-shadow: 0 6px 20px rgba(217, 164, 65, .35);
        }
        .btn-gold:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(217, 164, 65, .45);
        }
        .btn-gold:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .65);
        }
        .btn-outline:hover {
            border-color: var(--var-color-gold-light);
            color: var(--var-color-gold-light);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--var-color-primary);
            border: 1.5px solid rgba(43, 95, 168, .4);
        }
        .btn-outline-dark:hover {
            border-color: var(--var-color-primary);
            background: rgba(43, 95, 168, .04);
        }
        .btn-primary {
            background: var(--var-color-primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(43, 95, 168, .25);
        }
        .btn-primary:hover {
            background: #24508e;
            transform: translateY(-2px);
        }
        .header-cta {
            padding: 9px 22px;
            font-size: 14px;
        }

        /* ========== 页头 Hero ========== */
        .page-hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 150px 0 90px;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 95, .88), rgba(74, 140, 214, .48));
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .breadcrumb {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .14);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 26px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
        }
        .breadcrumb a:hover {
            color: var(--var-color-gold-light);
        }
        .breadcrumb .sep {
            opacity: .6;
        }
        .breadcrumb .current {
            color: var(--var-color-gold-light);
        }
        .page-hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            max-width: 780px;
            margin-bottom: 20px;
        }
        .page-hero h1 .gold {
            color: var(--var-color-gold-light);
        }
        .page-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin-bottom: 34px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-trust-bar {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 3;
            background: rgba(255, 255, 255, .08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, .12);
        }
        .hero-trust-bar .container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            padding-top: 20px;
            padding-bottom: 20px;
        }
        .trust-item {
            text-align: center;
            padding: 8px 12px;
        }
        .trust-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--var-color-gold-light);
            line-height: 1.2;
        }
        .trust-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .78);
            margin-top: 4px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--var-color-bg-alt);
        }
        .section-dark {
            background: var(--var-color-dark);
            color: #fff;
        }
        .section-white {
            background: #fff;
        }
        .eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            color: #B07D2A;
            background: #FDF6E8;
            border: 1px solid rgba(217, 164, 65, .25);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--var-color-text);
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--var-color-text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, .75);
        }
        .section-dark .eyebrow {
            background: rgba(217, 164, 65, .15);
            border-color: rgba(217, 164, 65, .4);
            color: var(--var-color-gold-light);
        }

        /* ========== 特色卡片 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--var-radius-card);
            padding: 32px 26px;
            border: 1px solid var(--var-color-border);
            box-shadow: var(--var-shadow-default);
            transition: var(--var-transition);
            position: relative;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--var-shadow-hover);
            border-color: rgba(217, 164, 65, .45);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(74, 140, 214, .14), rgba(43, 95, 168, .18));
            color: var(--var-color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--var-transition);
        }
        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--var-color-primary), var(--var-color-primary-light));
            color: #fff;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--var-color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--var-color-text-secondary);
            line-height: 1.75;
        }

        /* ========== 图文内容区 ========== */
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .content-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--var-shadow-hover);
            position: relative;
        }
        .content-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .content-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 16px;
            background: linear-gradient(180deg, rgba(30, 58, 95, .14), transparent 55%);
            pointer-events: none;
        }
        .content-body {
            padding: 10px 0;
        }
        .content-body .eyebrow {
            margin-bottom: 14px;
        }
        .content-body h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--var-color-text);
            line-height: 1.35;
            margin-bottom: 18px;
        }
        .content-body>p {
            font-size: 15px;
            color: var(--var-color-text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .check-list {
            margin-top: 10px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--var-color-text);
            line-height: 1.6;
            border-bottom: 1px solid #F0F2F6;
        }
        .check-list li:last-child {
            border-bottom: none;
        }
        .check-list li i {
            color: var(--var-color-gold-dark);
            font-size: 15px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .check-list li strong {
            font-weight: 600;
            color: var(--var-color-text);
        }

        /* ========== 流程区 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 10px;
        }
        .step-card {
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--var-radius-card);
            padding: 36px 26px;
            position: relative;
            transition: var(--var-transition);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        .step-card:hover {
            border-color: rgba(217, 164, 65, .5);
            transform: translateY(-4px);
            background: rgba(255, 255, 255, .12);
        }
        .step-num {
            font-size: 44px;
            font-weight: 800;
            color: rgba(217, 164, 65, .45);
            line-height: 1;
            margin-bottom: 18px;
            font-family: "Georgia", serif;
        }
        .step-card h3 {
            font-size: 18px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            line-height: 1.7;
        }

        /* ========== 场景卡片 ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scene-card {
            background: #fff;
            border-radius: var(--var-radius-card);
            overflow: hidden;
            border: 1px solid var(--var-color-border);
            box-shadow: var(--var-shadow-default);
            transition: var(--var-transition);
        }
        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--var-shadow-hover);
            border-color: rgba(217, 164, 65, .45);
        }
        .scene-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform .45s ease;
        }
        .scene-card:hover .scene-img {
            transform: scale(1.04);
        }
        .scene-body {
            padding: 24px;
        }
        .scene-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--var-color-text);
            margin-bottom: 8px;
        }
        .scene-body p {
            font-size: 14px;
            color: var(--var-color-text-secondary);
            line-height: 1.7;
        }

        /* ========== 数据横幅 ========== */
        .data-banner {
            background: linear-gradient(135deg, #1E3A5F, #2B5FA8);
            border-radius: 16px;
            padding: 44px 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            box-shadow: var(--var-shadow-hover);
            position: relative;
            overflow: hidden;
        }
        .data-banner::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(240, 201, 106, .22), transparent 70%);
            top: -80px;
            right: -60px;
            border-radius: 50%;
        }
        .data-item {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .data-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--var-color-gold-light);
            line-height: 1.2;
        }
        .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-list {
            margin-top: 20px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--var-color-border);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(30, 58, 95, .04);
            transition: var(--var-transition);
        }
        .faq-item.open {
            border-color: rgba(217, 164, 65, .45);
            box-shadow: var(--var-shadow-default);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--var-color-text);
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #F3F5F8;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--var-color-text-muted);
            flex-shrink: 0;
            transition: var(--var-transition);
        }
        .faq-item.open .faq-icon {
            background: rgba(217, 164, 65, .15);
            color: var(--var-color-gold-dark);
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--var-color-text-secondary);
            line-height: 1.8;
        }
        .faq-answer-inner a {
            color: var(--var-color-primary);
            font-weight: 500;
        }
        .faq-answer-inner a:hover {
            text-decoration: underline;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E3A5F 0%, #2B5FA8 60%, #3A7CD6 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 201, 106, .25), transparent 65%);
            top: -160px;
            right: -80px;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .1);
            bottom: -100px;
            left: 8%;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .82);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .cta-inner .btn-gold {
            font-size: 17px;
            padding: 15px 40px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--var-color-dark);
            color: #C7D5E6;
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(199, 213, 230, .8);
            margin-top: 20px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(199, 213, 230, .78);
            line-height: 1.5;
            transition: var(--var-transition);
        }
        .footer-links a:hover {
            color: var(--var-color-gold-light);
            padding-left: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 14px;
            font-size: 14px;
            color: rgba(199, 213, 230, .85);
        }
        .footer-contact i {
            color: var(--var-color-gold-light);
            width: 22px;
            margin-right: 6px;
        }
        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(199, 213, 230, .55);
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        /* ========== 移动端断点 ========== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .content-media img {
                height: 320px;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .search-btn {
                display: none;
            }
            .hamburger {
                display: inline-flex;
            }
            .header-cta {
                display: none;
            }
            .page-hero {
                min-height: 70vh;
                padding: 130px 0 110px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-trust-bar .container {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .trust-num {
                font-size: 20px;
            }
            .trust-label {
                font-size: 12px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .content-media img {
                height: 240px;
            }
            .data-banner {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 24px;
            }
            .data-num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .btn {
                padding: 12px 24px;
                min-height: 44px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .header-actions {
                gap: 6px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                min-height: 48px;
            }
            .hero-trust-bar .container {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .trust-item {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
                justify-content: center;
            }
            .trust-num {
                font-size: 22px;
            }
            .feature-card {
                padding: 26px 20px;
            }
            .content-body h3 {
                font-size: 22px;
            }
            .step-card {
                padding: 28px 20px;
            }
            .faq-question {
                padding: 16px 16px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 0 16px 18px;
                font-size: 13px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-inner .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2B5FA8;
            --primary-light: #4A8CD6;
            --gold: #D9A441;
            --gold-light: #F0C96A;
            --navy: #1E3A5F;
            --bg-main: #F7F9FC;
            --bg-alt: #EDF2F8;
            --text-main: #1F2937;
            --text-sub: #4B5563;
            --text-weak: #9CA3AF;
            --border: #E5EAF0;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-default: 0 1px 3px rgba(30, 58, 95, .06), 0 8px 24px rgba(30, 58, 95, .08);
            --shadow-hover: 0 12px 32px rgba(30, 58, 95, .12);
            --font-family: PingFang SC, Hiragino Sans GB, Microsoft YaHei, Noto Sans SC, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }

        button,
        input {
            font-family: inherit;
        }

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

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, .15);
            box-shadow: 0 4px 30px rgba(30, 58, 95, .08);
            transition: all .35s ease;
        }

        .site-header.scrolled {
            position: fixed;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(229, 234, 240, .9);
            box-shadow: 0 6px 24px rgba(30, 58, 95, .1);
        }

        .site-header.scrolled .logo-text,
        .site-header.scrolled .nav-link {
            color: var(--text-main);
        }

        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 0 18px rgba(217, 164, 65, .45);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .9);
            border-bottom: 3px solid transparent;
            position: relative;
            transition: all .25s ease;
        }

        .nav-link:hover {
            color: var(--gold-light);
            background: rgba(255, 255, 255, .08);
        }

        .nav-link.active {
            color: var(--gold-light);
            border-bottom-color: var(--gold);
            font-weight: 600;
        }

        .site-header.scrolled .nav-link.active {
            border-bottom-color: var(--gold);
            color: var(--gold);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--btn-radius);
            transition: all .25s ease;
            line-height: 1.2;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-md {
            padding: 14px 28px;
            font-size: 15px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            color: #1F2937;
            box-shadow: 0 4px 16px rgba(217, 164, 65, .3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 164, 65, .45);
            filter: brightness(1.08);
        }

        .btn-gold:active {
            transform: translateY(-1px);
        }

        .btn-gold:focus-visible {
            outline: 2px solid rgba(217, 164, 65, .5);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(43, 95, 168, .25);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(43, 95, 168, .35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid rgba(43, 95, 168, .5);
            outline-offset: 2px;
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .6);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 8px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            cursor: pointer;
            transition: all .25s ease;
        }

        .site-header.scrolled .nav-toggle {
            background: var(--bg-main);
            border-color: var(--border);
            color: var(--text-main);
        }

        /* 移动端抽屉菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 16px 24px 24px;
            box-shadow: 0 12px 32px rgba(30, 58, 95, .15);
            border-bottom: 1px solid var(--border);
            flex-direction: column;
            gap: 8px;
            z-index: 998;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            background: var(--bg-main);
        }

        .mobile-menu a:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }

        .mobile-menu a.active {
            background: #FDF6E8;
            color: #B07D2A;
            border-left: 3px solid var(--gold);
        }

        @media (max-width: 1023px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                height: 64px;
            }
            .logo-text {
                font-size: 17px;
            }
        }

        /* ===== 分类页 Hero ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background-size: cover;
            background-position: center;
            background-color: var(--navy);
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 95, .88), rgba(74, 140, 214, .45));
            z-index: 1;
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 201, 106, .18);
            border: 1px solid rgba(240, 201, 106, .4);
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .06em;
            padding: 6px 14px;
            border-radius: 999px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .page-hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            max-width: 720px;
            margin-bottom: 16px;
        }

        .page-hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 620px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            background: rgba(255, 255, 255, .08);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 8px 18px;
            display: inline-flex;
        }

        .breadcrumb a:hover {
            color: var(--gold-light);
        }

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .4);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 110px 0 56px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero-desc {
                font-size: 15px;
            }
        }

        /* ===== 区块通用 ===== */
        .section-pad {
            padding: 88px 0;
        }

        .section-pad-sm {
            padding: 64px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-top: 12px;
        }

        .section-header p {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 560px;
        }

        .section-header .more-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .section-header .more-link:hover {
            border-bottom-color: var(--primary);
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* ===== 活动卡片 ===== */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .activity-card {
            background: #fff;
            border-radius: var(--card-radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
        }

        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 164, 65, .5);
        }

        .activity-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .activity-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .activity-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            color: #B07D2A;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .1);
        }

        .activity-card-body {
            padding: 22px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .activity-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .activity-card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 18px;
        }

        .activity-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .activity-card-meta .status {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .activity-card-meta .status.hot {
            color: #D97706;
        }

        .activity-card-meta .status.coming {
            color: var(--primary);
        }

        .activity-card-meta .card-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 10px;
            border-radius: 6px;
            transition: all .25s ease;
        }

        .activity-card-meta .card-link:hover {
            background: rgba(43, 95, 168, .08);
            gap: 8px;
        }

        @media (max-width: 1023px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .activity-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 流程区 ===== */
        .process-section {
            background: var(--bg-alt);
        }

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

        .process-card {
            background: #fff;
            border-radius: var(--card-radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-default);
            padding: 32px 24px 28px;
            text-align: center;
            position: relative;
            transition: all .3s ease;
        }

        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .process-num {
            font-size: 42px;
            font-weight: 800;
            color: rgba(217, 164, 65, .22);
            line-height: 1;
            position: absolute;
            top: 16px;
            right: 20px;
        }

        .process-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(43, 95, 168, .1), rgba(74, 140, 214, .08));
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 18px;
        }

        .process-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .process-card p {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-sub);
        }

        @media (max-width: 1023px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            margin-bottom: 14px;
            background: var(--bg-main);
            transition: all .25s ease;
            overflow: hidden;
        }

        .faq-item.active {
            border-color: rgba(217, 164, 65, .4);
            box-shadow: 0 4px 16px rgba(30, 58, 95, .06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--gold);
            font-size: 14px;
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 22px;
            max-height: 400px;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 18px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--navy) 0%, #2B5FA8 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(240, 201, 106, .12);
            filter: blur(60px);
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            max-width: 520px;
            margin: 0 auto 36px;
            position: relative;
        }

        .cta-section .btn-gold {
            position: relative;
            min-width: 180px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--navy);
            color: #C7D5E6;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .logo-text {
            font-size: 20px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.75;
            margin-top: 18px;
            color: rgba(199, 213, 230, .75);
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: rgba(199, 213, 230, .75);
            transition: all .25s ease;
            display: inline-block;
            padding: 2px 0;
        }

        .footer-links a:hover {
            color: var(--gold-light);
            transform: translateX(4px);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            font-size: 14px;
            color: rgba(199, 213, 230, .75);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--gold);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(199, 213, 230, .5);
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

/* roulang page: article */
:root {
    --blue-deep: #2B5FA8;
    --blue: #4A8CD6;
    --blue-light: #EAF1FA;
    --gold-deep: #D9A441;
    --gold: #F0C96A;
    --gold-light: #FDF6E8;
    --gold-text: #B07D2A;
    --navy: #1E3A5F;
    --bg: #F7F9FC;
    --bg-alt: #EDF2F8;
    --text: #1F2937;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    --border: #E5EAF0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(30,58,95,.06), 0 8px 24px rgba(30,58,95,.08);
    --shadow-hover: 0 12px 32px rgba(30,58,95,.12);
    --transition: all .25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; }
::selection { background: rgba(217,164,65,.28); }
:focus-visible { outline: 2px solid rgba(217,164,65,.55); outline-offset: 2px; }

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

/* ---------- Header / Nav ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,.10);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,.16);
    box-shadow: 0 4px 20px rgba(30,58,95,.04);
    transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
    background: rgba(255,255,255,.88);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom-color: var(--border);
    box-shadow: 0 6px 28px rgba(30,58,95,.10);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 17px;
    box-shadow: 0 4px 14px rgba(217,164,65,.38);
    transition: transform .3s ease;
}
.logo:hover .logo-icon { transform: rotate(12deg) scale(1.04); }
.logo-text {
    font-size: 20px; font-weight: 700;
    color: #fff; letter-spacing: .4px;
    white-space: nowrap;
    transition: color .3s ease;
}
.site-header.scrolled .logo-text { color: var(--text); }
.logo-text.dark { color: var(--text); }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
    position: relative;
    display: block;
    padding: 10px 16px;
    font-size: 15px; font-weight: 500;
    color: rgba(255,255,255,.92);
    border-radius: 8px;
    transition: color .25s ease, background .25s ease;
}
.nav-link:hover { color: var(--gold); background: rgba(255,255,255,.08); }
.nav-link::after {
    content: '';
    position: absolute;
    left: 16px; right: 16px; bottom: 2px;
    height: 3px; border-radius: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-deep));
    opacity: 0; transform: scaleX(.4);
    transition: opacity .25s ease, transform .25s ease;
}
.nav-link.active { color: #fff; font-weight: 600; }
.nav-link.active::after { opacity: 1; transform: scaleX(1); }
.site-header.scrolled .nav-link { color: var(--text-secondary); }
.site-header.scrolled .nav-link:hover { color: var(--blue-deep); background: rgba(43,95,168,.06); }
.site-header.scrolled .nav-link.active { color: var(--blue-deep); }

.header-actions { display: flex; align-items: center; gap: 8px; }
.search-wrapper { position: relative; }
.search-toggle {
    width: 44px; height: 44px;
    border: none; background: transparent;
    color: rgba(255,255,255,.9);
    font-size: 16px; cursor: pointer;
    border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background .25s ease, color .25s ease;
}
.search-toggle:hover { background: rgba(255,255,255,.14); color: var(--gold); }
.site-header.scrolled .search-toggle { color: var(--text); }
.site-header.scrolled .search-toggle:hover { background: var(--blue-light); color: var(--blue-deep); }
.search-panel {
    position: absolute; right: 0; top: 54px;
    width: 320px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(30,58,95,.16);
    padding: 14px;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
    z-index: 60;
}
.search-panel.show { opacity: 1; visibility: visible; transform: translateY(0); }
.search-form { display: flex; gap: 8px; }
.search-form input {
    flex: 1; min-width: 0;
    height: 44px; padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    font-size: 14px; color: var(--text);
    transition: border-color .25s ease, box-shadow .25s ease;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(74,140,214,.18); }
.search-form button {
    width: 44px; height: 44px;
    border: none; border-radius: 8px;
    background: var(--blue-deep); color: #fff;
    font-size: 15px; cursor: pointer;
    transition: background .25s ease, transform .25s ease;
}
.search-form button:hover { background: var(--blue); transform: translateY(-1px); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border: none; border-radius: 8px;
    padding: 12px 24px;
    font-size: 15px; font-weight: 600;
    cursor: pointer; line-height: 1.2;
    transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, background .25s ease;
}
.btn-gold {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
    color: #fff;
    box-shadow: 0 4px 18px rgba(217,164,65,.36);
}
.btn-gold:hover { transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 10px 28px rgba(217,164,65,.46); }
.btn-gold:active { transform: translateY(0) scale(.98); }
.btn-primary { background: var(--blue-deep); color: #fff; box-shadow: 0 4px 14px rgba(43,95,168,.25); }
.btn-primary:hover { background: var(--blue); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(74,140,214,.35); }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-lg { padding: 15px 40px; font-size: 16px; border-radius: 10px; }
.btn-block { width: 100%; }

.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    border: none; background: transparent;
    color: rgba(255,255,255,.92);
    font-size: 18px; cursor: pointer;
    border-radius: 10px;
    align-items: center; justify-content: center;
    transition: background .25s ease, color .25s ease;
}
.nav-toggle:hover { background: rgba(255,255,255,.14); color: var(--gold); }
.site-header.scrolled .nav-toggle { color: var(--text); }

/* ---------- Mobile drawer ---------- */
.mobile-drawer {
    position: fixed;
    top: 0; right: -100%;
    width: 82%; max-width: 360px;
    height: 100vh;
    background: #fff;
    z-index: 300;
    padding: 24px;
    box-shadow: -10px 0 40px rgba(30,58,95,.2);
    transition: right .35s ease;
    overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.drawer-close {
    width: 44px; height: 44px;
    border: none; background: var(--bg);
    color: var(--text); border-radius: 10px;
    font-size: 16px; cursor: pointer;
    transition: background .25s ease;
}
.drawer-close:hover { background: var(--bg-alt); }
.drawer-menu { display: grid; gap: 4px; }
.drawer-link {
    display: block;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 16px; font-weight: 500;
    color: var(--text-secondary);
    transition: background .25s ease, color .25s ease;
}
.drawer-link:hover, .drawer-link.active { background: var(--blue-light); color: var(--blue-deep); }
.drawer-bottom { margin-top: 32px; }
.drawer-overlay {
    position: fixed; inset: 0;
    background: rgba(30,58,95,.55);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    z-index: 250;
    opacity: 0; visibility: hidden;
    transition: opacity .3s ease, visibility .3s;
}
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ---------- Article banner ---------- */
.article-banner {
    position: relative;
    padding: 168px 0 72px;
    color: #fff;
    background: linear-gradient(135deg, rgba(30,58,95,.93) 0%, rgba(43,95,168,.78) 55%, rgba(74,140,214,.5) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    overflow: hidden;
}
.article-banner::before {
    content: '';
    position: absolute;
    top: -140px; right: 6%;
    width: 420px; height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240,201,106,.22), transparent 62%);
    pointer-events: none;
}
.article-banner .container { position: relative; z-index: 2; }

.article-meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 14px; }
.badge-category {
    display: inline-flex; align-items: center;
    background: rgba(217,164,65,.16);
    border: 1px solid rgba(217,164,65,.4);
    color: var(--gold);
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px; font-weight: 600;
    letter-spacing: .3px;
    transition: background .25s ease, color .25s ease;
}
a.badge-category:hover { background: rgba(217,164,65,.3); color: #fff; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,.78); }
.meta-item i { color: var(--gold); }

.breadcrumb {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    font-size: 13px; color: rgba(255,255,255,.7);
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,.14);
}
.breadcrumb a { color: rgba(255,255,255,.82); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb i { font-size: 10px; opacity: .7; }
.breadcrumb .current {
    color: rgba(255,255,255,.95);
    max-width: 480px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.article-title {
    font-size: 36px; line-height: 1.32; font-weight: 700;
    margin: 0; max-width: 880px; letter-spacing: .2px;
}

/* ---------- Article content ---------- */
.article-section { padding: 64px 0 80px; }
.article-layout { max-width: 960px; margin: 0 auto; }
.article-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 56px 56px 48px;
}
.article-content {
    max-width: 720px; margin: 0 auto;
    font-size: 16px; line-height: 1.85;
    color: var(--text);
    word-break: break-word;
}
.article-content > *:first-child { margin-top: 0; }
.article-content h2 {
    font-size: 24px; line-height: 1.4;
    margin: 44px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--gold-deep);
}
.article-content h3 { font-size: 20px; line-height: 1.4; margin: 34px 0 12px; }
.article-content h4 { font-size: 17px; margin: 24px 0 10px; }
.article-content p { margin: 18px 0; }
.article-content img { border-radius: 12px; margin: 28px auto; box-shadow: var(--shadow); }
.article-content a { color: var(--blue-deep); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--gold-deep); }
.article-content blockquote {
    background: var(--gold-light);
    border-left: 4px solid var(--gold-deep);
    color: var(--text-secondary);
    margin: 28px 0;
    padding: 18px 24px;
    border-radius: 0 10px 10px 0;
}
.article-content blockquote p { margin: 8px 0; }
.article-content ul, .article-content ol { margin: 18px 0; padding-left: 26px; }
.article-content li { margin: 8px 0; }
.article-content ul li::marker { color: var(--gold-deep); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; }
.article-content th { background: var(--bg-alt); font-weight: 600; }
.article-content code { background: var(--bg-alt); color: var(--blue-deep); padding: 2px 8px; border-radius: 6px; font-size: 14px; }
.article-content pre { background: var(--navy); color: #EDF2F8; border-radius: 12px; padding: 20px 24px; overflow-x: auto; margin: 24px 0; }
.article-content pre code { background: transparent; color: inherit; padding: 0; }

.article-empty { text-align: center; padding: 90px 24px; }
.empty-icon { font-size: 52px; color: var(--text-muted); margin-bottom: 18px; }
.article-empty p { font-size: 18px; font-weight: 600; color: var(--text-secondary); margin: 0 0 6px; }
.article-empty .empty-sub { font-size: 14px; font-weight: 400; color: var(--text-muted); margin-bottom: 28px; }

.article-tags {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: 44px; padding-top: 28px;
    border-top: 1px solid var(--border);
}
.tag {
    display: inline-flex; align-items: center;
    background: var(--gold-light);
    border: 1px solid rgba(217,164,65,.22);
    color: var(--gold-text);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px; font-weight: 500;
    transition: background .25s ease, transform .25s ease;
}
.tag:hover { background: #F8ECD4; transform: translateY(-2px); }

.article-pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 32px; }
.pager-link {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text-secondary);
    font-size: 14px; font-weight: 500;
    transition: border-color .25s ease, box-shadow .25s ease, color .25s ease, transform .25s ease;
}
.pager-link:hover { border-color: var(--blue); color: var(--blue-deep); box-shadow: var(--shadow); transform: translateY(-2px); }

/* ---------- Related / section ---------- */
.related-section { background: var(--bg-alt); padding: 80px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--gold-text); }
.eyebrow::before { content: ''; width: 24px; height: 2px; background: var(--gold-deep); border-radius: 2px; }
.section-title { font-size: 30px; line-height: 1.3; font-weight: 700; margin: 8px 0 0; color: var(--text); }
.section-more {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 600;
    color: var(--blue-deep);
    padding: 10px 8px; border-radius: 8px;
    transition: gap .25s ease, color .25s ease;
}
.section-more:hover { color: var(--gold-deep); gap: 12px; }

.article-card-item {
    display: block;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.article-card-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(217,164,65,.55); }
.card-img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-alt); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.article-card-item:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 20px 22px 22px; }
.card-body h3 {
    font-size: 18px; line-height: 1.45; font-weight: 700;
    margin: 0 0 10px; color: var(--text);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; min-height: 52px;
    transition: color .25s ease;
}
.article-card-item:hover .card-body h3 { color: var(--blue-deep); }
.card-body p {
    font-size: 14px; line-height: 1.65;
    color: var(--text-secondary);
    margin: 0 0 16px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--text-muted); }
.card-meta .badge-category { color: var(--gold-text); background: var(--gold-light); border-color: rgba(217,164,65,.25); }

.back-list { text-align: center; margin-top: 48px; }
.back-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 600;
    color: var(--blue-deep);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 30px;
    box-shadow: var(--shadow);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.back-link:hover { border-color: var(--blue); box-shadow: var(--shadow-hover); transform: translateY(-2px); }

/* ---------- CTA ---------- */
.cta-band {
    position: relative;
    background: linear-gradient(135deg, var(--navy) 0%, #2B5FA8 100%);
    padding: 72px 0;
    text-align: center;
    color: #fff;
    overflow: hidden;
}
.cta-band::before {
    content: '';
    position: absolute; right: -80px; top: -80px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240,201,106,.28), transparent 62%);
    pointer-events: none;
}
.cta-band::after {
    content: '';
    position: absolute; left: -60px; bottom: -100px;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74,140,214,.35), transparent 60%);
    pointer-events: none;
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { font-size: 28px; font-weight: 700; margin: 0 0 12px; }
.cta-band p { color: rgba(255,255,255,.82); max-width: 560px; margin: 0 auto 30px; font-size: 15px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,.72); padding-top: 64px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 44px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand-desc { margin: 18px 0 0; color: rgba(255,255,255,.66); line-height: 1.8; max-width: 320px; font-size: 14px; }
.footer-title { color: #fff; font-size: 16px; font-weight: 600; margin: 0 0 18px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-links a { color: rgba(255,255,255,.68); transition: color .25s ease, padding-left .25s ease; }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact { display: grid; gap: 12px; color: rgba(255,255,255,.68); }
.footer-contact span { display: inline-flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--gold); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; text-align: center; color: rgba(255,255,255,.52); font-size: 13px; }
.footer-bottom p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
    .nav-menu { display: none; }
    .nav-toggle { display: inline-flex; }
    .header-actions .btn { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
    .article-banner { padding: 148px 0 60px; }
    .article-title { font-size: 30px; }
    .article-section { padding: 56px 0 64px; }
    .related-section { padding: 64px 0; }
}
@media (max-width: 767px) {
    .container { padding: 0 16px; }
    .header-inner { height: 64px; gap: 12px; }
    .logo-text { font-size: 17px; }
    .logo-icon { width: 36px; height: 36px; font-size: 15px; }
    .article-banner { padding: 116px 0 44px; }
    .article-title { font-size: 24px; line-height: 1.36; }
    .article-meta-row { gap: 10px 12px; }
    .breadcrumb { margin-bottom: 14px; }
    .article-card { padding: 32px 20px 28px; border-radius: 12px; }
    .article-content { font-size: 15px; line-height: 1.78; }
    .article-content h2 { font-size: 20px; margin: 34px 0 12px; }
    .article-content h3 { font-size: 18px; }
    .article-content blockquote { padding: 14px 18px; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 28px; }
    .section-title { font-size: 24px; }
    .article-pager { flex-direction: column; }
    .pager-link { justify-content: center; }
    .cta-band { padding: 56px 0; }
    .cta-band h2 { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .site-footer { padding-top: 48px; }
    .search-panel { width: 260px; right: -20px; }
    .back-list { margin-top: 36px; }
}

/* roulang page: category3 */
:root {
        --primary: #2B5FA8;
        --primary-light: #4A8CD6;
        --gold: #D9A441;
        --gold-light: #F0C96A;
        --darkblue: #1E3A5F;
        --bg: #F7F9FC;
        --bg-alt: #EDF2F8;
        --text: #1F2937;
        --text-sub: #4B5563;
        --text-weak: #9CA3AF;
        --border: #E5EAF0;
        --radius: 12px;
        --radius-btn: 8px;
        --shadow: 0 1px 3px rgba(30, 58, 95, .06), 0 8px 24px rgba(30, 58, 95, .08);
        --shadow-hover: 0 12px 32px rgba(30, 58, 95, .14);
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: all .25s ease;
    }
    ul, ol {
        list-style: none;
    }
    button {
        font-family: inherit;
        cursor: pointer;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ========== 按钮 ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 44px;
        padding: 10px 28px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 15px;
        line-height: 1.4;
        border: 2px solid transparent;
        transition: all .3s ease;
        text-align: center;
        white-space: nowrap;
    }
    .btn-gold {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        color: #1E3A5F;
        box-shadow: 0 4px 16px rgba(217, 164, 65, .35);
        border-color: rgba(255, 255, 255, .25);
    }
    .btn-gold:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(217, 164, 65, .45);
        filter: brightness(1.08);
    }
    .btn-gold:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(217, 164, 65, .3);
    }
    .btn-gold:focus-visible {
        outline: 2px solid rgba(217, 164, 65, .6);
        outline-offset: 3px;
    }
    .btn-ghost {
        background: rgba(255, 255, 255, .12);
        color: #fff;
        border-color: rgba(255, 255, 255, .45);
        backdrop-filter: blur(4px);
    }
    .btn-ghost:hover {
        background: rgba(255, 255, 255, .22);
        border-color: rgba(255, 255, 255, .8);
        transform: translateY(-2px);
    }
    .btn-ghost:active {
        transform: translateY(0);
    }
    .btn-sm {
        min-height: 38px;
        padding: 6px 18px;
        font-size: 14px;
    }
    .btn-lg {
        min-height: 52px;
        padding: 14px 42px;
        font-size: 17px;
    }

    /* ========== 导航 ========== */
    .site-header {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        padding: 18px 0;
        background: rgba(255, 255, 255, .10);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255, 255, 255, .15);
        transition: all .35s ease;
    }
    .site-header.scrolled {
        position: fixed;
        background: rgba(255, 255, 255, .9);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 4px 24px rgba(30, 58, 95, .08);
        border-bottom: 1px solid rgba(30, 58, 95, .06);
        padding: 10px 0;
    }
    .site-header.scrolled .logo-text {
        color: var(--text);
    }
    .site-header.scrolled .logo-icon {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        color: var(--darkblue);
    }
    .site-header.scrolled .nav-link {
        color: #374151;
    }
    .site-header.scrolled .nav-link:hover {
        color: var(--primary);
    }
    .site-header.scrolled .nav-link.active {
        color: var(--primary);
    }
    .site-header.scrolled .nav-toggle {
        color: var(--text);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }
    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--darkblue);
        font-size: 18px;
        box-shadow: 0 0 0 3px rgba(255, 255, 255, .25), 0 4px 14px rgba(30, 58, 95, .18);
        transition: all .3s ease;
    }
    .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 1px;
        transition: color .3s ease;
        white-space: nowrap;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav-link {
        position: relative;
        padding: 8px 18px;
        font-size: 15px;
        font-weight: 500;
        color: rgba(255, 255, 255, .88);
        border-radius: 6px;
        transition: color .3s;
        white-space: nowrap;
    }
    .nav-link:hover {
        color: var(--gold-light);
    }
    .nav-link.active {
        color: var(--gold-light);
        font-weight: 600;
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 0;
        width: 24px;
        height: 3px;
        border-radius: 3px;
        background: var(--gold);
        box-shadow: 0 0 8px rgba(217, 164, 65, .5);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        color: #fff;
        font-size: 22px;
        border-radius: 8px;
        align-items: center;
        justify-content: center;
        transition: background .3s;
    }
    .nav-toggle:hover {
        background: rgba(255, 255, 255, .1);
    }

    /* ========== 页头 Hero ========== */
    .page-hero {
        position: relative;
        min-height: 560px;
        display: flex;
        align-items: center;
        background: var(--darkblue);
        overflow: hidden;
        padding: 140px 0 70px;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        background: linear-gradient(135deg, rgba(30, 58, 95, .92), rgba(74, 140, 214, .55)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        transform: scale(1.02);
    }
    .hero-bg::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(30, 58, 95, .35) 0%, rgba(30, 58, 95, .15) 100%);
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 720px;
    }
    .hero-eyebrow {
        display: inline-block;
        padding: 6px 16px;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 2px;
        text-transform: uppercase;
        color: var(--darkblue);
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        border-radius: 999px;
        margin-bottom: 20px;
        box-shadow: 0 4px 14px rgba(217, 164, 65, .28);
    }
    .hero-content h1 {
        font-size: 42px;
        line-height: 1.25;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 1px;
    }
    .hero-subtitle {
        font-size: 17px;
        color: rgba(255, 255, 255, .82);
        max-width: 520px;
        margin-bottom: 32px;
        line-height: 1.8;
    }
    .hero-ctas {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 40px;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, .65);
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, .15);
    }
    .breadcrumb a {
        color: rgba(255, 255, 255, .8);
    }
    .breadcrumb a:hover {
        color: var(--gold-light);
    }
    .breadcrumb i {
        font-size: 10px;
        opacity: .6;
    }
    .breadcrumb span {
        color: var(--gold-light);
    }

    /* ========== 区块通用 ========== */
    .section-rights,
    .section-scenario,
    .section-faq {
        padding: 96px 0;
    }
    .section-levels {
        padding: 96px 0;
    }
    .section-stats {
        padding: 64px 0;
    }
    .section-cta {
        padding: 80px 0;
    }
    .section-head {
        max-width: 640px;
        margin-bottom: 52px;
    }
    .section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .section-eyebrow {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 2px;
        color: var(--gold);
        background: rgba(217, 164, 65, .12);
        padding: 5px 14px;
        border-radius: 999px;
        margin-bottom: 14px;
    }
    .section-head h2 {
        font-size: 30px;
        line-height: 1.3;
        color: var(--text);
        font-weight: 700;
        margin-bottom: 12px;
    }
    .section-head p {
        font-size: 15px;
        color: var(--text-sub);
        line-height: 1.7;
    }
    .section-head.light h2 {
        color: #fff;
    }
    .section-head.light p {
        color: rgba(255, 255, 255, .7);
    }
    .section-head.light .section-eyebrow {
        color: var(--gold-light);
        background: rgba(240, 201, 106, .15);
    }

    /* ========== 核心权益卡片 ========== */
    .rights-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
    .rights-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 32px 26px;
        box-shadow: var(--shadow);
        transition: all .35s ease;
        display: flex;
        flex-direction: column;
    }
    .rights-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(217, 164, 65, .45);
    }
    .rights-icon {
        width: 56px;
        height: 56px;
        border-radius: 14px;
        background: linear-gradient(135deg, rgba(43, 95, 168, .1), rgba(74, 140, 214, .15));
        border: 1px solid rgba(43, 95, 168, .15);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: var(--primary);
        margin-bottom: 22px;
        transition: all .3s ease;
    }
    .rights-card:hover .rights-icon {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        color: var(--darkblue);
        border-color: transparent;
        box-shadow: 0 6px 18px rgba(217, 164, 65, .35);
    }
    .rights-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 10px;
    }
    .rights-card p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
        flex-grow: 1;
        margin-bottom: 16px;
    }
    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        transition: all .3s;
    }
    .card-link:hover {
        color: var(--gold);
        gap: 10px;
    }
    .card-link i {
        font-size: 12px;
        transition: transform .3s;
    }
    .card-link:hover i {
        transform: translateX(3px);
    }

    /* ========== 等级体系 ========== */
    .section-levels {
        background: var(--darkblue);
        position: relative;
        overflow: hidden;
    }
    .section-levels::before {
        content: '';
        position: absolute;
        top: -120px;
        right: -120px;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(74, 140, 214, .2), transparent 65%);
        border-radius: 50%;
    }
    .levels-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
        position: relative;
        z-index: 2;
    }
    .level-card {
        background: rgba(255, 255, 255, .07);
        border: 1px solid rgba(255, 255, 255, .1);
        border-radius: var(--radius);
        padding: 28px 20px;
        text-align: center;
        backdrop-filter: blur(6px);
        transition: all .35s ease;
    }
    .level-card:hover {
        transform: translateY(-6px);
        border-color: rgba(240, 201, 106, .5);
        background: rgba(255, 255, 255, .12);
        box-shadow: 0 16px 40px rgba(0, 0, 0, .2);
    }
    .level-icon {
        width: 56px;
        height: 56px;
        margin: 0 auto 18px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .1);
        border: 1px solid rgba(255, 255, 255, .18);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: var(--gold-light);
        transition: all .35s ease;
    }
    .level-card:hover .level-icon {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        color: var(--darkblue);
        border-color: transparent;
        box-shadow: 0 8px 20px rgba(217, 164, 65, .4);
    }
    .level-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 8px;
    }
    .level-card p {
        font-size: 13px;
        color: rgba(255, 255, 255, .6);
        line-height: 1.6;
        margin-bottom: 16px;
        min-height: 42px;
    }
    .level-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        justify-content: center;
    }
    .level-tags li {
        font-size: 12px;
        color: rgba(255, 255, 255, .65);
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .12);
        padding: 3px 10px;
        border-radius: 999px;
    }

    /* ========== 适用场景 ========== */
    .section-scenario {
        background: var(--bg-alt);
    }
    .scenario-list {
        display: flex;
        flex-direction: column;
        gap: 48px;
    }
    .scenario-item {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
        background: #fff;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        transition: all .35s ease;
    }
    .scenario-item:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .scenario-item.reverse .scenario-text {
        order: -1;
        padding-right: 24px;
        padding-left: 56px;
    }
    .scenario-item.reverse .scenario-img {
        padding-right: 56px;
        padding-left: 24px;
    }
    .scenario-img {
        padding: 24px;
        background: linear-gradient(135deg, rgba(43, 95, 168, .06), rgba(74, 140, 214, .08));
    }
    .scenario-img img {
        width: 100%;
        height: 260px;
        object-fit: cover;
        border-radius: 10px;
        box-shadow: 0 12px 30px rgba(30, 58, 95, .12);
    }
    .scenario-text {
        padding: 24px 56px 24px 24px;
    }
    .scenario-num {
        font-size: 48px;
        font-weight: 800;
        color: rgba(43, 95, 168, .08);
        line-height: 1;
        display: block;
        margin-bottom: 8px;
        letter-spacing: -2px;
    }
    .scenario-text h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 12px;
    }
    .scenario-text p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.75;
    }

    /* ========== 数据保障 ========== */
    .section-stats {
        background: #fff;
        border-block: 1px solid var(--border);
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }
    .stat-item {
        text-align: center;
        padding: 20px 16px;
        border-right: 1px solid var(--border);
    }
    .stat-item:last-child {
        border-right: none;
    }
    .stat-number {
        display: block;
        font-size: 36px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
        margin-bottom: 6px;
        font-variant-numeric: tabular-nums;
    }
    .stat-label {
        font-size: 14px;
        color: var(--text-sub);
    }

    /* ========== FAQ ========== */
    .section-faq {
        background: var(--bg);
    }
    .faq-list {
        max-width: 820px;
        margin: 0 auto 40px;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .faq-item {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: all .35s ease;
    }
    .faq-item.active {
        border-color: rgba(217, 164, 65, .5);
        box-shadow: 0 8px 30px rgba(30, 58, 95, .08);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 24px;
        background: transparent;
        border: none;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        transition: all .3s;
        min-height: 44px;
    }
    .faq-question:hover {
        color: var(--primary);
    }
    .faq-question i {
        font-size: 14px;
        color: var(--text-weak);
        transition: transform .35s ease;
        flex-shrink: 0;
    }
    .faq-item.active .faq-question i {
        transform: rotate(180deg);
        color: var(--gold);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s ease, padding .3s ease, opacity .3s ease;
        opacity: 0;
        padding: 0 24px;
        color: var(--text-sub);
        font-size: 14px;
        line-height: 1.75;
        border-top: 0 solid var(--border);
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        opacity: 1;
        padding: 0 24px 22px;
        border-top-width: 1px;
        border-top-color: var(--border);
        margin-top: -6px;
    }
    .faq-cta {
        text-align: center;
        padding-top: 12px;
    }

    /* ========== CTA ========== */
    .section-cta {
        background: linear-gradient(135deg, var(--darkblue) 0%, #26497a 55%, rgba(74, 140, 214, .9) 100%);
        position: relative;
        overflow: hidden;
        text-align: center;
    }
    .section-cta::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at 20% 30%, rgba(240, 201, 106, .15), transparent 50%),
            radial-gradient(circle at 80% 70%, rgba(74, 140, 214, .3), transparent 55%);
    }
    .section-cta .container {
        position: relative;
        z-index: 2;
    }
    .section-cta h2 {
        font-size: 30px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .section-cta p {
        font-size: 16px;
        color: rgba(255, 255, 255, .75);
        margin-bottom: 30px;
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: var(--darkblue);
        color: rgba(255, 255, 255, .85);
        padding: 72px 0 32px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr .8fr .8fr 1.2fr;
        gap: 48px;
        margin-bottom: 48px;
    }
    .footer-brand .logo-text {
        color: #fff;
    }
    .footer-brand-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, .55);
        line-height: 1.8;
        margin-top: 16px;
        max-width: 320px;
    }
    .footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 18px;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        font-size: 14px;
        color: rgba(255, 255, 255, .55);
        transition: all .3s;
        display: inline-block;
        padding: 4px 0;
    }
    .footer-links a:hover {
        color: var(--gold-light);
        transform: translateX(4px);
    }
    .footer-contact {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-contact span {
        font-size: 14px;
        color: rgba(255, 255, 255, .55);
        display: flex;
        align-items: center;
        gap: 10px;
        line-height: 1.6;
    }
    .footer-contact i {
        width: 20px;
        color: var(--gold-light);
        font-size: 14px;
        text-align: center;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding-top: 24px;
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, .4);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
        .nav-toggle {
            display: inline-flex;
        }
        .nav-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: #fff;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            gap: 8px;
            padding: 40px 32px;
            box-shadow: -16px 0 48px rgba(30, 58, 95, .16);
            transition: right .4s ease;
            z-index: 2000;
        }
        .nav-menu.open {
            right: 0;
        }
        .nav-menu .nav-link {
            color: var(--text);
            font-size: 17px;
            padding: 12px 0;
            width: 100%;
            border-bottom: 1px solid rgba(30, 58, 95, .06);
        }
        .nav-menu .nav-link.active {
            color: var(--primary);
        }
        .nav-menu .nav-link.active::after {
            left: 0;
            transform: none;
            width: 30px;
            bottom: -1px;
        }
        .nav-menu .nav-link:hover {
            color: var(--primary);
        }
        .header-actions .btn-sm {
            display: none;
        }
        .rights-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .levels-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .scenario-item {
            grid-template-columns: 1fr;
            gap: 0;
        }
        .scenario-text,
        .scenario-item.reverse .scenario-text {
            padding: 32px 28px !important;
        }
        .scenario-img {
            padding: 20px !important;
        }
        .scenario-item.reverse .scenario-img {
            order: -1;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stat-item:nth-child(2) {
            border-right: none;
        }
        .stat-item:nth-child(1),
        .stat-item:nth-child(2) {
            border-bottom: 1px solid var(--border);
        }
        .section-rights,
        .section-scenario,
        .section-faq,
        .section-levels {
            padding: 64px 0;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .hero-content h1 {
            font-size: 34px;
        }
        .page-hero {
            min-height: 500px;
        }
    }

    @media (max-width: 767px) {
        .container {
            padding: 0 20px;
        }
        .rights-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .levels-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .level-card {
            padding: 24px 16px;
        }
        .level-card p {
            min-height: 0;
        }
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .stat-number {
            font-size: 28px;
        }
        .section-head h2 {
            font-size: 24px;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-cta h2 {
            font-size: 24px;
        }
        .hero-content h1 {
            font-size: 28px;
        }
        .hero-subtitle {
            font-size: 15px;
        }
        .page-hero {
            min-height: 460px;
            padding-top: 110px;
            padding-bottom: 50px;
        }
        .hero-ctas .btn {
            padding: 10px 20px;
            font-size: 14px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            font-size: 12px;
        }
        .btn-lg {
            min-height: 48px;
            padding: 12px 36px;
            font-size: 16px;
        }
        .scenario-text h3 {
            font-size: 18px;
        }
        .scenario-img img {
            height: 200px;
        }
    }

    @media (max-width: 520px) {
        .logo-text {
            font-size: 17px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }
        .levels-grid {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: 1fr;
        }
        .stat-item {
            border-right: none;
            border-bottom: 1px solid var(--border);
        }
        .stat-item:last-child {
            border-bottom: none;
        }
    }