/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e2a45;
            --accent: #c9a36a;
            --accent-hover: #b89055;
            --accent-soft: #f0e6d6;
            --bg: #faf8f5;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-dark-soft: #16203a;
            --text: #1a1a2e;
            --text-weak: #565870;
            --text-muted: #8a8da3;
            --text-inverse: #f4f1ec;
            --border: #e5e1da;
            --border-light: #efece6;
            --danger: #c0392b;
            --success: #2e7d5b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 4px 20px rgba(201, 163, 106, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --nav-width: 264px;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        /* 布局骨架 */
        .layout {
            display: flex;
            min-height: 100vh;
        }

        /* ============ 左侧竖向导航（桌面端） ============ */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-dark);
            color: var(--text-inverse);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            border-right: 1px solid rgba(201, 163, 106, 0.2);
            transition: var(--transition-slow);
        }

        .side-nav-header {
            padding: 28px 22px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .side-nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
            transition: var(--transition);
        }
        .side-nav-logo:hover {
            color: var(--accent);
        }
        .side-nav-logo .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent) 0%, #e0c08a 50%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: var(--bg-dark);
            flex-shrink: 0;
            font-weight: 800;
            letter-spacing: 0;
        }
        .side-nav-logo span {
            font-size: 0.82rem;
            opacity: 0.88;
            font-weight: 500;
            display: block;
            line-height: 1.45;
        }
        .side-nav-logo strong {
            font-size: 0.92rem;
            font-weight: 700;
            display: block;
            line-height: 1.5;
        }

        .side-nav-menu {
            flex: 1;
            padding: 18px 14px;
            overflow-y: auto;
        }
        .side-nav-menu::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav-menu::-webkit-scrollbar-thumb {
            background: rgba(201, 163, 106, 0.3);
            border-radius: 4px;
        }

        .side-nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.4);
            padding: 8px 12px 9px;
            font-weight: 600;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.88rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            margin-bottom: 2px;
        }
        .side-nav-link:hover {
            background: rgba(201, 163, 106, 0.12);
            color: var(--accent);
        }
        .side-nav-link.active {
            background: rgba(201, 163, 106, 0.18);
            color: var(--accent);
            font-weight: 600;
        }
        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -14px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
        }
        .side-nav-link .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }

        .side-nav-footer {
            padding: 16px 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.6;
        }

        /* ============ 移动端顶部导航 ============ */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: var(--bg-dark);
            color: var(--text-inverse);
            z-index: 1000;
            padding: 12px 16px;
            border-bottom: 1px solid rgba(201, 163, 106, 0.2);
        }
        .mobile-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .mobile-nav-logo {
            font-size: 0.85rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-inverse);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-nav-logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent) 0%, #e0c08a 50%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--bg-dark);
            flex-shrink: 0;
            font-weight: 800;
        }
        .mobile-nav-toggle {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .mobile-nav-toggle:hover {
            background: rgba(201, 163, 106, 0.18);
        }
        .mobile-nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-inverse);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav-menu {
            display: none;
            padding: 10px 0 6px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 10px;
        }
        .mobile-nav-menu.open {
            display: block;
        }
        .mobile-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 12px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.88rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-nav-link:hover {
            background: rgba(201, 163, 106, 0.12);
            color: var(--accent);
        }
        .mobile-nav-link.active {
            background: rgba(201, 163, 106, 0.18);
            color: var(--accent);
        }

        /* ============ 右侧内容区 ============ */
        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 容器 */
        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ============ Hero 试用申请版式 ============ */
        .hero {
            position: relative;
            padding: 72px 0 60px;
            background: var(--bg-dark);
            color: var(--text-inverse);
            overflow: hidden;
            border-bottom: 1px solid rgba(201, 163, 106, 0.18);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.38;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 40%, rgba(15, 23, 42, 0.5) 75%, rgba(201, 163, 106, 0.28) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 820px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 12px;
            margin-bottom: 22px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 50px;
            background: rgba(201, 163, 106, 0.16);
            border: 1px solid rgba(201, 163, 106, 0.35);
            color: #e8d5b5;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: var(--transition);
        }
        .hero-badge:hover {
            background: rgba(201, 163, 106, 0.28);
            border-color: rgba(201, 163, 106, 0.55);
        }
        .hero-badge .badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #e0c08a;
            flex-shrink: 0;
        }
        .hero h1 {
            font-size: 2.15rem;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 18px;
            color: #ffffff;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }
        .hero-subtitle {
            font-size: 0.98rem;
            line-height: 1.85;
            color: rgba(244, 241, 236, 0.82);
            max-width: 680px;
            margin-bottom: 26px;
            letter-spacing: 0.01em;
        }
        .hero-eligibility {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 26px;
            max-width: 620px;
        }
        .hero-eligibility .elig-icon {
            font-size: 1.25rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .hero-eligibility p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(244, 241, 236, 0.75);
        }
        .hero-eligibility p strong {
            color: #e8d5b5;
            font-weight: 600;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 16px;
            align-items: center;
            margin-bottom: 30px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition);
            border: 1px solid transparent;
            line-height: 1.2;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg-dark);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 28px rgba(201, 163, 106, 0.42);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-inverse);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat strong {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .hero-stat span {
            font-size: 0.76rem;
            color: rgba(244, 241, 236, 0.6);
            letter-spacing: 0.04em;
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 68px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 50px;
            background: var(--accent-soft);
            color: #8a6a3d;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 1.7rem;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.01em;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--text-weak);
            max-width: 700px;
        }

        /* ============ 卖点三连 ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent) 0%, #e0c08a 50%, transparent 100%);
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            border-color: rgba(201, 163, 106, 0.4);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: var(--bg-dark);
        }
        .feature-card h3 {
            font-size: 1.04rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 0.83rem;
            line-height: 1.75;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* ============ 场景演示 步骤条 ============ */
        .scene-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .scene-step {
            padding: 32px 24px;
            position: relative;
            border-right: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .scene-step:last-child {
            border-right: none;
        }
        .scene-step:hover {
            background: #fdfaf6;
        }
        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-dark);
            color: var(--accent);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .scene-step:hover .step-num {
            background: var(--accent);
            color: var(--bg-dark);
        }
        .scene-step h4 {
            font-size: 0.94rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .scene-step p {
            font-size: 0.8rem;
            line-height: 1.7;
            color: var(--text-weak);
        }

        /* ============ 节日战役区 ============ */
        .campaign {
            background: linear-gradient(135deg, #1a0f2e 0%, #2d1b4e 40%, #3d2b5c 70%, #1e1430 100%);
            color: var(--text-inverse);
            border-radius: var(--radius-xl);
            padding: 44px 44px 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(201, 163, 106, 0.25);
        }
        .campaign::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 163, 106, 0.25) 0%, transparent 70%);
        }
        .campaign::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -20px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 163, 106, 0.15) 0%, transparent 70%);
        }
        .campaign-content {
            position: relative;
            z-index: 1;
            max-width: 700px;
        }
        .campaign-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(201, 163, 106, 0.2);
            border: 1px solid rgba(201, 163, 106, 0.4);
            color: #e8d5b5;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .campaign h3 {
            font-size: 1.45rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #ffffff;
        }
        .campaign p {
            font-size: 0.86rem;
            line-height: 1.8;
            color: rgba(244, 241, 236, 0.75);
            margin-bottom: 20px;
        }
        .campaign-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            margin-bottom: 22px;
        }
        .campaign-meta span {
            font-size: 0.78rem;
            color: #c9bda8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .campaign .btn {
            background: var(--accent);
            color: var(--bg-dark);
            box-shadow: var(--shadow-glow);
        }
        .campaign .btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(201, 163, 106, 0.4);
        }

        /* ============ 前后对比 ============ */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 26px;
        }
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            transition: var(--transition);
            position: relative;
        }
        .compare-card:hover {
            box-shadow: var(--shadow-sm);
        }
        .compare-card.compare-before {
            border-left: 4px solid #b0b3c0;
        }
        .compare-card.compare-after {
            border-left: 4px solid var(--accent);
            border-color: rgba(201, 163, 106, 0.35);
        }
        .compare-label {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .compare-before .compare-label {
            background: #ececf2;
            color: #6a6d80;
        }
        .compare-after .compare-label {
            background: var(--accent-soft);
            color: #8a6a3d;
        }
        .compare-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
        }
        .compare-card ul li {
            font-size: 0.83rem;
            line-height: 1.7;
            color: var(--text-weak);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .compare-card ul li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 10px;
        }
        .compare-before ul li::before {
            background: #b0b3c0;
        }
        .compare-after ul li::before {
            background: var(--accent);
        }

        /* ============ 社会认同 ============ */
        .proof-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 36px;
            align-items: start;
        }
        .proof-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .proof-stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: var(--transition);
        }
        .proof-stat-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(201, 163, 106, 0.3);
        }
        .proof-stat-card strong {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .proof-stat-card span {
            font-size: 0.74rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        .proof-reviews {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: var(--transition);
        }
        .review-card:hover {
            box-shadow: var(--shadow-sm);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }
        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #8a6a3d;
            font-weight: 700;
            flex-shrink: 0;
        }
        .review-name {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text);
        }
        .review-stars {
            font-size: 0.7rem;
            color: #d4a056;
            letter-spacing: 0.06em;
        }
        .review-text {
            font-size: 0.8rem;
            line-height: 1.7;
            color: var(--text-weak);
        }

        /* ============ 资讯区 左列表+右推荐 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 34px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: baseline;
            gap: 16px;
            padding: 16px 4px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .news-item:hover {
            padding-left: 10px;
        }
        .news-item:hover .news-title {
            color: var(--accent);
        }
        .news-date {
            font-size: 0.72rem;
            color: var(--text-muted);
            flex-shrink: 0;
            width: 52px;
            letter-spacing: 0.03em;
        }
        .news-title {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.55;
            transition: var(--transition);
        }
        .news-title:hover {
            color: var(--accent);
        }
        .news-more {
            margin-top: 16px;
            font-size: 0.82rem;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .news-more:hover {
            color: var(--accent);
            gap: 8px;
        }
        .news-recommend {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .recommend-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .recommend-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: var(--transition-slow);
        }
        .recommend-card:hover img {
            transform: scale(1.03);
        }
        .recommend-body {
            padding: 16px 18px;
        }
        .recommend-body h5 {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .recommend-body p {
            font-size: 0.76rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ 案例故事 ============ */
        .story-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-slow);
        }
        .story-card:hover {
            box-shadow: var(--shadow-md);
        }
        .story-image {
            min-height: 100%;
            position: relative;
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .story-body {
            padding: 38px 36px;
        }
        .story-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .story-body .story-meta {
            font-size: 0.74rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .story-body p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: var(--text-weak);
            margin-bottom: 14px;
        }
        .story-body .story-result {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 50px;
            background: var(--accent-soft);
            color: #8a6a3d;
            font-size: 0.78rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: default;
        }

        /* ============ 精选分类 ============ */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .category-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-pill:hover {
            background: var(--accent-soft);
            border-color: rgba(201, 163, 106, 0.5);
            color: #8a6a3d;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .category-pill:active {
            transform: translateY(0);
        }
        .category-pill .pill-count {
            font-size: 0.68rem;
            color: var(--text-muted);
            background: var(--bg);
            padding: 2px 8px;
            border-radius: 20px;
            transition: var(--transition);
        }
        .category-pill:hover .pill-count {
            background: var(--accent);
            color: var(--bg-dark);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 163, 106, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #8a6a3d;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--bg-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 22px;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 0.82rem;
            line-height: 1.75;
            color: var(--text-weak);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ============ 转化表单 ============ */
        .form-section {
            background: var(--bg-dark);
            color: var(--text-inverse);
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            position: relative;
            overflow: hidden;
        }
        .form-section::before {
            content: '';
            position: absolute;
            top: 20px;
            right: 30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 163, 106, 0.15) 0%, transparent 70%);
        }
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 42px;
            position: relative;
            z-index: 1;
            align-items: start;
        }
        .form-info h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }
        .form-info p {
            font-size: 0.86rem;
            line-height: 1.8;
            color: rgba(244, 241, 236, 0.72);
            margin-bottom: 20px;
        }
        .form-benefits {
            list-style: none;
            padding: 0;
        }
        .form-benefits li {
            font-size: 0.8rem;
            line-height: 1.7;
            color: rgba(244, 241, 236, 0.75);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .form-benefits li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }
        .form-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            backdrop-filter: blur(8px);
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 0.76rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: rgba(244, 241, 236, 0.7);
            margin-bottom: 6px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-inverse);
            font-size: 0.85rem;
            transition: var(--transition);
            appearance: none;
        }
        .form-control::placeholder {
            color: rgba(244, 241, 236, 0.35);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(201, 163, 106, 0.2);
        }
        .form-control select {
            cursor: pointer;
        }
        .form-control option {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .form-submit {
            width: 100%;
            padding: 14px 24px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 6px;
        }
        .form-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(201, 163, 106, 0.4);
        }
        .form-submit:active {
            transform: translateY(0);
        }
        .form-note {
            margin-top: 12px;
            font-size: 0.7rem;
            color: rgba(244, 241, 236, 0.45);
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* ============ Footer ============ */
        .footer {
            background: var(--bg-dark);
            color: rgba(244, 241, 236, 0.65);
            padding: 40px 0 30px;
            border-top: 1px solid rgba(201, 163, 106, 0.2);
            margin-top: auto;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 48px;
            align-items: flex-start;
            justify-content: space-between;
        }
        .footer-brand {
            max-width: 360px;
        }
        .footer-brand h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            font-size: 0.76rem;
            line-height: 1.7;
            color: rgba(244, 241, 236, 0.5);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 24px;
            font-size: 0.76rem;
        }
        .footer-links a {
            color: rgba(244, 241, 236, 0.55);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-copy {
            width: 100%;
            margin-top: 22px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.7rem;
            color: rgba(244, 241, 236, 0.35);
            text-align: center;
            letter-spacing: 0.04em;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1100px) {
            .container {
                padding: 0 24px;
            }
            .hero h1 {
                font-size: 1.85rem;
            }
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
            .scene-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 0;
            }
            .scene-step {
                border-right: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .scene-step:nth-child(2n) {
                border-right: none;
            }
            .scene-step:nth-last-child(-n+2) {
                border-bottom: none;
            }
            .form-section {
                padding: 36px 30px;
            }
            .story-card {
                grid-template-columns: 1fr;
            }
            .story-image {
                min-height: 200px;
            }
        }

        @media (max-width: 900px) {
            :root {
                --nav-width: 220px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .proof-wrapper {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .form-layout {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .feature-card h3 {
                font-size: 0.92rem;
            }
            .feature-card p {
                font-size: 0.76rem;
            }
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .campaign {
                padding: 32px 28px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .mobile-nav {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }
            .container {
                padding: 0 18px;
            }
            .hero {
                padding: 48px 0 42px;
            }
            .hero h1 {
                font-size: 1.35rem;
                line-height: 1.4;
            }
            .hero-subtitle {
                font-size: 0.86rem;
                line-height: 1.75;
            }
            .hero-badges {
                gap: 6px 8px;
            }
            .hero-badge {
                padding: 5px 12px;
                font-size: 0.7rem;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat strong {
                font-size: 1.25rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scene-steps {
                grid-template-columns: 1fr;
            }
            .scene-step {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
                padding: 24px 20px;
            }
            .scene-step:last-child {
                border-bottom: none;
            }
            .proof-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .proof-stat-card {
                padding: 16px 12px;
            }
            .proof-stat-card strong {
                font-size: 1.35rem;
            }
            .news-item {
                flex-direction: column;
                gap: 4px;
                padding: 12px 4px;
            }
            .news-date {
                width: auto;
            }
            .story-body {
                padding: 26px 22px;
            }
            .story-body h3 {
                font-size: 1.05rem;
            }
            .form-section {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .form-card {
                padding: 22px 18px;
            }
            .campaign {
                padding: 26px 20px;
                border-radius: var(--radius-lg);
            }
            .campaign h3 {
                font-size: 1.15rem;
            }
            .footer {
                padding: 30px 0 24px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 18px;
            }
            .section {
                padding: 42px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.82rem;
            }
            .compare-card {
                padding: 22px 18px;
            }
            .category-pill {
                padding: 9px 16px;
                font-size: 0.76rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 38px 0 32px;
            }
            .hero h1 {
                font-size: 1.15rem;
            }
            .hero-subtitle {
                font-size: 0.78rem;
                line-height: 1.65;
            }
            .hero-eligibility {
                padding: 12px 14px;
            }
            .hero-eligibility p {
                font-size: 0.72rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .btn {
                justify-content: center;
            }
            .proof-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .review-card {
                padding: 14px 16px;
            }
            .review-text {
                font-size: 0.74rem;
            }
            .faq-question {
                font-size: 0.82rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.76rem;
            }
            .form-submit {
                font-size: 0.82rem;
                padding: 12px 18px;
            }
            .form-info h2 {
                font-size: 1.25rem;
            }
            .section-title {
                font-size: 1.15rem;
            }
            .section-desc {
                font-size: 0.8rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .category-tabs {
                gap: 8px;
            }
            .category-pill {
                padding: 8px 14px;
                font-size: 0.72rem;
            }
            .footer-brand h3 {
                font-size: 0.85rem;
            }
            .footer-links {
                gap: 10px 16px;
                font-size: 0.7rem;
            }
        }