:root {
            --primary: #0891b2;
            --accent: #0ea5e9;
            --bg-soft: #ecfeff;
            --text-dark: #083344;
            --radius-lg: 24px;
            --radius-md: 18px;
            --shadow-soft: 0 18px 40px -12px rgba(8, 145, 178, 0.15);
            --card-bg: rgba(255,255,255,0.75);
            --border-light: rgba(8, 145, 178, 0.12);
        }
        body {
            background-color: var(--bg-soft);
            color: var(--text-dark);
            font-family: 'Noto Sans SC', 'Inter', system-ui, -apple-system, sans-serif;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, .display-font {
            font-family: 'Noto Serif SC', 'Inter', serif;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        .navbar-brand, .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            letter-spacing: 0;
        }
        /* 大圆角柔和风 */
        .rounded-4xl { border-radius: 32px; }
        .rounded-3xl { border-radius: 24px; }
        .shadow-soft { box-shadow: var(--shadow-soft); }
        .bg-glass { background: var(--card-bg); backdrop-filter: blur(6px); border: 1px solid var(--border-light); }

        /* 导航 */
        .navbar-custom {
            background: rgba(236, 254, 255, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(8,145,178,0.1);
        }
        .navbar-custom .nav-link {
            font-weight: 500;
            color: var(--text-dark);
            margin: 0 0.5rem;
            border-radius: 50px;
            padding: 0.5rem 1.1rem !important;
            transition: all 0.2s;
        }
        .navbar-custom .nav-link:hover {
            background: rgba(8, 145, 178, 0.08);
            color: var(--primary);
        }

        /* 关键词标签云 Hero */
        .tagcloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem 1.2rem;
            margin-top: 1.2rem;
        }
        .tagcloud span {
            font-size: 1.15rem;
            font-weight: 400;
            background: rgba(255,255,255,0.6);
            padding: 0.3rem 1rem;
            border-radius: 40px;
            border: 1px solid rgba(8,145,178,0.15);
            color: var(--text-dark);
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
        }

        /* 数字滚动动效 */
        .counter-value {
            font-variant-numeric: tabular-nums;
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            display: inline-block;
        }

        /* 按钮光泽扫过 */
        .btn-sheen {
            position: relative;
            overflow: hidden;
            border: none;
            z-index: 1;
        }
        .btn-sheen::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 60%;
            height: 100%;
            background: linear-gradient(105deg, transparent, rgba(255,255,255,0.5), transparent);
            transition: left 0.5s;
            z-index: 1;
            transform: skewX(-20deg);
        }
        .btn-sheen:hover::after {
            left: 140%;
        }
        .btn-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            font-weight: 600;
            border-radius: 60px;
            padding: 0.8rem 2rem;
            box-shadow: 0 10px 20px -8px rgba(14,165,233,0.4);
        }

        /* 对比表格 */
        .table-compare {
            border-collapse: separate;
            border-spacing: 0 8px;
            width: 100%;
        }
        .table-compare th, .table-compare td {
            background: white;
            padding: 1rem 1.2rem;
            border-radius: 16px !important;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
            border: 1px solid rgba(8,145,178,0.1);
        }

        /* FAQ手风琴 */
        .accordion-custom .accordion-item {
            border: none;
            background: transparent;
            margin-bottom: 1rem;
            border-radius: 20px !important;
        }
        .accordion-custom .accordion-button {
            background: white;
            border-radius: 20px !important;
            box-shadow: var(--shadow-soft);
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1.15rem;
            border: 1px solid rgba(8,145,178,0.08);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(8,145,178,0.04);
            color: var(--primary);
        }
        .accordion-custom .accordion-body {
            background: white;
            margin-top: 6px;
            border-radius: 20px !important;
            padding: 1.2rem 1.5rem;
            color: var(--text-dark);
            border: 1px solid rgba(8,145,178,0.08);
        }

        /* Hero 视差 */
        .hero-parallax {
            background-image: radial-gradient(circle at 10% 30%, rgba(14,165,233,0.08) 0%, transparent 30%),
                              radial-gradient(circle at 90% 70%, rgba(8,145,178,0.08) 0%, transparent 35%);
            background-size: cover;
            background-attachment: fixed;  /* 视差效果 */
            background-position: center;
        }

        /* 区块间距 */
        .section-pad { padding: 5rem 0; }

        /* 友情链接区 */
        .friend-links {
            background: white;
            border-radius: 40px;
            padding: 2.2rem 2rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-light);
        }

        /* 页脚 */
        footer {
            background: #ffffffd9;
            border-top: 1px solid var(--border-light);
            backdrop-filter: blur(8px);
        }

        /* 品牌名不可分割 */
        .brand-lock {
            white-space: nowrap;
        }
        /* 移动端适配 */
        @media (max-width: 768px) {
            h1 { font-size: 2.8rem !important; }
            .section-pad { padding: 3rem 0; }
        }

/* --- 子页面追加 --- */
.about-hero {
            background: linear-gradient(135deg, var(--bg-soft) 0%, #f0f9ff 50%, var(--bg-soft) 100%);
            padding: 5rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 70%);
        }
.about-hero h1 {
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
        }
.about-hero .lead {
            color: rgba(8,51,68,0.7);
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
.about-section {
            padding: 3.5rem 0;
        }
.about-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-soft);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.about-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 22px 45px -12px rgba(8, 145, 178, 0.2);
        }
.about-card h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.6rem;
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
.about-card h2 i {
            font-size: 1.4rem;
        }
.about-card p {
            color: rgba(8,51,68,0.8);
            line-height: 1.85;
            margin-bottom: 1rem;
        }
.about-card p:last-child {
            margin-bottom: 0;
        }
.about-icon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
.about-icon-item {
            text-align: center;
            padding: 1.75rem 1.25rem;
            background: var(--bg-soft);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
.about-icon-item:hover {
            background: #ffffff;
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }
.about-icon-item i {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
            display: block;
        }
.about-icon-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
.about-icon-item p {
            font-size: 0.9rem;
            color: rgba(8,51,68,0.65);
            line-height: 1.6;
            margin: 0;
        }
.about-timeline {
            position: relative;
            padding-left: 2rem;
            margin-top: 2rem;
        }
.about-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
        }
.about-timeline-item {
            position: relative;
            padding-bottom: 2rem;
            padding-left: 1.5rem;
        }
.about-timeline-item:last-child {
            padding-bottom: 0;
        }
.about-timeline-item::before {
            content: '';
            position: absolute;
            left: -0.45rem;
            top: 0.3rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(8,145,178,0.2);
        }
.about-timeline-item .year {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            display: block;
            margin-bottom: 0.35rem;
        }
.about-timeline-item h4 {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
        }
.about-timeline-item p {
            color: rgba(8,51,68,0.7);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
.about-quote {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: center;
            color: #fff;
            margin: 3rem 0;
        }
.about-quote i {
            font-size: 2.5rem;
            opacity: 0.4;
            margin-bottom: 1rem;
            display: block;
        }
.about-quote blockquote {
            font-size: 1.3rem;
            font-weight: 500;
            font-style: italic;
            line-height: 1.8;
            max-width: 800px;
            margin: 0 auto 1rem;
        }
.about-quote .author {
            font-size: 0.95rem;
            opacity: 0.85;
        }
.about-values {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
.about-value-item {
            padding: 1.75rem;
            border-radius: var(--radius-md);
            background: var(--bg-soft);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
.about-value-item:hover {
            background: #ffffff;
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }
.about-value-item i {
            font-size: 1.75rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
.about-value-item h4 {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1.05rem;
            margin-bottom: 0.6rem;
        }
.about-value-item p {
            color: rgba(8,51,68,0.65);
            font-size: 0.92rem;
            line-height: 1.7;
            margin: 0;
        }
.about-hero {
                padding: 3rem 0 2rem;
            }
.about-card {
                padding: 1.75rem;
            }
.about-quote {
                padding: 2rem 1.25rem;
            }
.about-quote blockquote {
                font-size: 1.1rem;
            }

/* --- 子页面追加 --- */
/* 隐私条款页面专属样式 */
        .privacy-section {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(10px);
        }
.privacy-section h2 {
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 1.25rem;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
.privacy-section h2 i {
            font-size: 1.25rem;
            color: var(--accent);
        }
.privacy-section p {
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
.privacy-section ul {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.privacy-section ul li {
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }
.privacy-badge {
            background: var(--bg-soft);
            color: var(--primary);
            border-radius: 50px;
            padding: 0.25rem 1rem;
            font-size: 0.85rem;
            font-weight: 500;
            display: inline-block;
            margin-bottom: 1rem;
        }
.privacy-highlight {
            background: linear-gradient(135deg, rgba(8,145,178,0.08), rgba(14,165,233,0.08));
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
        }
.privacy-highlight p {
            margin-bottom: 0.5rem;
        }
.privacy-highlight p:last-child {
            margin-bottom: 0;
        }
.privacy-section {
                padding: 1.5rem;
            }
.privacy-section h2 {
                font-size: 1.25rem;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 - 免责声明 */
        .disclaimer-hero {
            background: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(14, 165, 233, 0.05) 100%);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            margin-bottom: 3rem;
            border: 1px solid var(--border-light);
        }
.disclaimer-section {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 2rem 2.5rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(10px);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.disclaimer-section:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-soft);
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
.disclaimer-section h2 i {
            color: var(--accent);
            font-size: 1.3rem;
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--text-dark);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.disclaimer-section li {
            margin-bottom: 0.6rem;
        }
.highlight-box {
            background: rgba(8, 145, 178, 0.08);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
        }
.highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
        }
.update-date {
            display: inline-block;
            background: var(--bg-soft);
            color: var(--primary);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 1rem;
        }
.disclaimer-hero {
                padding: 2rem 1.5rem;
            }
.disclaimer-section {
                padding: 1.5rem 1.2rem;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#083344 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#083344 !important; }
.accordion-header { background:transparent !important; }