:root {
            --primary: #059669;
            --accent: #14b8a6;
            --bg: #f0fdfa;
            --text: #134e4a;
            --card-bg: #ffffff;
            --shadow-sm: 0 8px 20px rgba(5, 150, 105, 0.1);
            --shadow-lg: 0 20px 40px rgba(5, 150, 105, 0.2);
            --radius: 24px;
            --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
        }

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

        body {
            background-color: var(--bg);
            font-family: 'Inter', sans-serif;
            color: var(--text);
            overflow-x: hidden;
        }

        /* 拟物厚重阴影+渐变高光 */
        .skeuo-card {
            background: linear-gradient(145deg, #ffffff, #e6f9f5);
            box-shadow: var(--shadow-lg), inset 2px 2px 6px rgba(255,255,255,0.8), inset -3px -3px 8px rgba(5,150,105,0.1);
            border: 1px solid rgba(255,255,255,0.6);
            transition: transform 0.25s ease, border-color 0.2s, box-shadow 0.3s;
            border-radius: var(--radius);
        }

        .skeuo-card:hover {
            transform: scale(1.02);
            border-color: var(--accent);
            box-shadow: 0 25px 50px rgba(5,150,105,0.25), inset 1px 1px 3px rgba(255,255,255,0.9);
        }

        /* 光晕光斑装饰 */
        .glow-orb {
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle at 30% 30%, rgba(20,184,166,0.2), transparent 70%);
            filter: blur(60px);
            pointer-events: none;
            z-index: 0;
        }

        .navbar {
            background: rgba(240,253,250,0.7);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(5,150,105,0.15);
            padding: 0.8rem 0;
            font-weight: 600;
        }

        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary) !important;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 6px rgba(5,150,105,0.2);
            display: flex;
            align-items: center;
        }
        .navbar-brand i {
            margin-right: 8px;
            color: var(--accent);
        }

        .nav-link {
            color: var(--text) !important;
            font-weight: 600;
            margin: 0 10px;
            transition: 0.2s;
            border-radius: 30px;
            padding: 8px 16px !important;
        }
        .nav-link:hover {
            background: var(--primary);
            color: #fff !important;
        }

        .hero-section {
            padding: 5rem 0 4rem;
            position: relative;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><circle cx="20" cy="20" r="15" fill="%2314b8a622"/><circle cx="80" cy="70" r="25" fill="%230596691a"/></svg>');
            background-size: cover;
            background-attachment: fixed;
            background-position: center;
            animation: parallaxShift 20s infinite alternate;
        }

        @keyframes parallaxShift {
            0% { background-position: 0 0; }
            100% { background-position: 30% 30%; }
        }

        .hero-title {
            font-size: 3.8rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--text);
            text-shadow: 0 6px 20px rgba(5,150,105,0.2);
            letter-spacing: -0.02em;
        }

        .hero-sub {
            font-size: 1.25rem;
            color: #1d6f62;
            max-width: 600px;
            font-weight: 400;
            margin-bottom: 2rem;
        }

        .btn-skeuo {
            background: linear-gradient(145deg, var(--primary), #047857);
            color: white !important;
            font-weight: 700;
            padding: 12px 28px;
            border: none;
            box-shadow: 0 12px 20px rgba(5,150,105,0.3), inset 0 2px 4px rgba(255,255,255,0.4);
            border-radius: 50px;
            transition: 0.2s;
            font-size: 1.05rem;
        }

        .btn-skeuo-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary) !important;
            font-weight: 700;
            padding: 10px 28px;
            border-radius: 50px;
            box-shadow: 0 4px 12px rgba(5,150,105,0.15);
            transition: 0.2s;
        }
        .btn-skeuo-outline:hover {
            background: var(--primary);
            color: white !important;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 2rem;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 6px;
            background: var(--primary);
            border-radius: 10px;
            margin-top: 8px;
        }

        .table-comparison {
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .table-comparison th, .table-comparison td {
            padding: 1.2rem 1.5rem;
            background: rgba(255,255,255,0.6);
            backdrop-filter: blur(4px);
            border-bottom: 1px solid #d1f2eb;
        }

        .table-comparison thead th {
            background: var(--primary);
            color: white;
            font-weight: 700;
            border: none;
        }

        .mono-num {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            font-weight: 700;
        }

        .feature-icon {
            font-size: 2.5rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
            filter: drop-shadow(0 4px 6px rgba(5,150,105,0.2));
        }

        .bento-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: auto;
            gap: 20px;
        }
        .bento-item {
            padding: 1.8rem;
            border-radius: 28px;
            background: var(--card-bg);
            box-shadow: var(--shadow-sm);
            transition: 0.2s;
        }
        .bento-item.big {
            grid-column: span 2;
            grid-row: span 2;
        }
        .bento-item.medium {
            grid-column: span 2;
        }

        .accordion-button:not(.collapsed) {
            background: #d1f2eb;
            color: var(--primary);
        }

        .accordion-item {
            border: none;
            margin-bottom: 12px;
            border-radius: 18px !important;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .cta-box {
            background: linear-gradient(145deg, #d1f2eb, #ffffff);
            border-radius: 48px;
            padding: 3rem 2rem;
            box-shadow: var(--shadow-lg);
        }

        footer a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
        }

        .friend-links {
            background: rgba(255,255,255,0.7);
            border-radius: 60px;
            padding: 1.5rem 2rem;
        }

        @media (max-width: 768px) {
            .hero-title { font-size: 2.6rem; }
            .bento-grid { grid-template-columns: 1fr 1fr; }
            .bento-item.big { grid-column: span 2; }
        }
        @media (max-width: 480px) {
            .bento-grid { grid-template-columns: 1fr; }
            .bento-item.big, .bento-item.medium { grid-column: span 1; }
        }

        /* 图片懒加载占位 */
        img.lazy {
            background: linear-gradient(135deg, #f0fdfa, #d1f2eb);
            opacity: 0.9;
            transition: opacity 0.3s;
        }

/* --- 子页面追加 --- */
.about-hero {
            padding: 80px 0 40px;
            text-align: center;
        }
.about-hero .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
.about-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--text);
            opacity: 0.85;
            max-width: 720px;
            margin: 0 auto;
        }
.about-section {
            padding: 40px 0;
        }
.about-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary);
        }
.about-section p {
            line-height: 1.9;
            margin-bottom: 16px;
        }
.about-section .lead-text {
            font-size: 1.05rem;
        }
.milestone-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.milestone-list li {
            padding: 12px 0;
            border-bottom: 1px dashed rgba(5, 150, 105, 0.2);
            display: flex;
            align-items: baseline;
            gap: 12px;
        }
.milestone-list li:last-child {
            border-bottom: none;
        }
.milestone-list .year {
            font-family: var(--font-mono);
            color: var(--primary);
            font-weight: 600;
            min-width: 60px;
        }
.value-item {
            padding: 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.value-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
.value-item .feature-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
.value-item h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
.value-item p {
            font-size: 0.95rem;
            opacity: 0.85;
            line-height: 1.7;
        }
.stats-box {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
.stats-box .mono-num {
            font-size: 2.2rem;
            font-weight: 700;
            display: block;
            margin-bottom: 4px;
        }
.stats-box .stats-label {
            font-size: 0.9rem;
            opacity: 0.9;
        }
.about-hero .hero-title {
                font-size: 2rem;
            }
.about-hero {
                padding: 60px 0 30px;
            }

/* --- 子页面追加 --- */
/* 隐私政策页专属样式 */
        .privacy-hero {
            background: linear-gradient(135deg, rgba(5, 150, 105, 0.08), rgba(20, 184, 166, 0.05));
            padding: 60px 0 40px;
            border-bottom: 1px solid rgba(5, 150, 105, 0.1);
        }
.privacy-hero .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
.privacy-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--text);
            opacity: 0.85;
            max-width: 700px;
            margin: 0 auto;
        }
.privacy-content {
            padding: 50px 0 70px;
        }
.privacy-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            margin-bottom: 28px;
            transition: box-shadow 0.3s ease;
            border: 1px solid rgba(5, 150, 105, 0.08);
        }
.privacy-section:hover {
            box-shadow: var(--shadow-lg);
        }
.privacy-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-section .section-title i {
            color: var(--primary);
            font-size: 1.4rem;
        }
.privacy-section p {
            line-height: 1.8;
            color: var(--text);
            opacity: 0.9;
            margin-bottom: 14px;
        }
.privacy-section ul {
            padding-left: 20px;
            margin-bottom: 14px;
        }
.privacy-section ul li {
            line-height: 1.8;
            color: var(--text);
            opacity: 0.9;
            margin-bottom: 8px;
            padding-left: 6px;
        }
.privacy-section ul li::marker {
            color: var(--primary);
        }
.privacy-section .highlight-box {
            background: var(--bg);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 18px 0;
            font-size: 0.95rem;
        }
.privacy-section .highlight-box i {
            color: var(--primary);
            margin-right: 8px;
        }
.privacy-updated {
            text-align: center;
            margin-top: 40px;
            padding: 16px;
            color: var(--text);
            opacity: 0.7;
            font-size: 0.9rem;
        }
.privacy-updated i {
            margin-right: 6px;
            color: var(--primary);
        }
.contact-card {
            background: linear-gradient(135deg, rgba(5, 150, 105, 0.06), rgba(20, 184, 166, 0.04));
            border: 1px solid rgba(5, 150, 105, 0.15);
            border-radius: var(--radius);
            padding: 30px;
            margin-top: 28px;
        }
.contact-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--primary);
        }
.contact-card p {
            margin-bottom: 10px;
        }
.contact-card .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            color: var(--text);
        }
.contact-card .contact-item i {
            color: var(--primary);
            width: 20px;
            text-align: center;
        }
.privacy-hero .hero-title {
                font-size: 1.9rem;
            }
.privacy-section {
                padding: 28px 20px;
            }
.privacy-section .section-title {
                font-size: 1.2rem;
            }
.privacy-hero .hero-title {
                font-size: 1.6rem;
            }
.privacy-hero .hero-sub {
                font-size: 0.95rem;
            }
.privacy-section {
                padding: 22px 16px;
                margin-bottom: 20px;
            }

/* --- 子页面追加 --- */
/* 页面专属微调，仅补充少量细节 */
        .legal-hero { padding: 4rem 0 2rem; }
.legal-title { font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }
.legal-sub { color: var(--text); opacity: 0.8; }
.legal-section { margin-top: 2.5rem; }
.legal-card { background: var(--card-bg); border-radius: var(--radius); padding: 1.75rem 2rem; box-shadow: var(--shadow-sm); border: 1px solid rgba(5,150,105,0.1); transition: box-shadow 0.2s; }
.legal-card:hover { box-shadow: var(--shadow-lg); }
.legal-card h3 { font-size: 1.35rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.legal-card h3 i { color: var(--accent); font-size: 1.2rem; width: 1.8rem; }
.legal-card p, .legal-card li { color: var(--text); font-size: 0.98rem; line-height: 1.7; }
.legal-card ul { padding-left: 1.2rem; }
.legal-card a { color: var(--accent); font-weight: 500; }
.legal-card a:hover { text-decoration: underline; }
.badge-updated { background: rgba(20,184,166,0.15); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 0.3rem 0.8rem; border-radius: 30px; display: inline-block; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#134e4a !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#134e4a !important; }
.accordion-body { background:transparent !important; color:#134e4a !important; }
.accordion-header { background:transparent !important; }