:root {
            --primary: #ea580c;
            --accent: #d97706;
            --bg: #fffbf5;
            --text: #1c1917;
            --text-light: #57534e;
            --white: #ffffff;
            --shadow-heavy: 0 12px 30px rgba(234, 88, 12, 0.25), 0 4px 10px rgba(0,0,0,0.15);
            --shadow-soft: 0 8px 20px rgba(0,0,0,0.08);
            --radius-lg: 28px;
            --radius-md: 18px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', sans-serif;
            font-weight: 400;
            line-height: 1.7;
            overflow-x: hidden;
        }
        /* 拟物厚重风 + 几何背景 */
        .bg-decor {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            z-index: -1;
            pointer-events: none;
        }
        .bg-decor span {
            position: absolute;
            display: block;
            opacity: 0.12;
            background: var(--primary);
        }
        .bg-decor .circle { border-radius: 50%; }
        .bg-decor .square { border-radius: 8px; transform: rotate(15deg); }
        .bg-decor .triangle {
            width: 0; height: 0;
            background: none !important;
            border-left: 30px solid transparent;
            border-right: 30px solid transparent;
            border-bottom: 50px solid var(--primary);
            opacity: 0.15;
        }
        /* 全局标题超粗 */
        h1, h2, h3, .display-1, .display-2, .display-3 {
            font-weight: 900 !important;
            letter-spacing: -0.02em;
        }
        h2 { font-size: 2.8rem; margin-bottom: 2rem; }
        h3 { font-weight: 800; }
        .text-primary-custom { color: var(--primary) !important; }
        .text-accent-custom { color: var(--accent) !important; }
        
        /* 导航吸顶 + 背景透明度变化 */
        .navbar-custom {
            background: rgba(255, 251, 245, 0.9);
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
            padding: 0.8rem 1.5rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            border-bottom: 1px solid rgba(234,88,12,0.15);
        }
        .navbar-custom.scrolled {
            background: rgba(255, 251, 245, 0.95);
            box-shadow: 0 8px 25px rgba(234,88,12,0.2);
        }
        .navbar-brand {
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--primary) !important;
            letter-spacing: -0.5px;
        }
        .navbar-brand i { color: var(--accent); margin-right: 6px; font-size: 1.7rem; }
        .nav-link-custom {
            font-weight: 600;
            color: var(--text) !important;
            margin: 0 0.7rem;
            padding: 0.5rem 0 !important;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-link-custom:hover { border-bottom-color: var(--primary); color: var(--primary) !important; }
        
        /* Hero 关键词标签云 */
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.7rem 1rem;
            margin: 2.5rem 0 1.5rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-tag {
            background: var(--white);
            padding: 0.45rem 1.3rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(234,88,12,0.2);
            transition: 0.2s;
            cursor: default;
        }
        .hero-tag:hover { transform: translateY(-3px); box-shadow: var(--shadow-heavy); }
        
        /* 区块通用 */
        .section-padding { padding: 5rem 0; }
        .container-narrow { max-width: 1000px; margin: 0 auto; padding: 0 1.5rem; }
        .card-heavy {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-heavy);
            border: none;
            padding: 2.5rem;
        }
        /* 对比表格 */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 12px;
        }
        .comparison-table th {
            background: var(--primary);
            color: white;
            font-weight: 700;
            padding: 1.2rem 1.5rem;
            font-size: 1.2rem;
            border: none;
            text-align: center;
            letter-spacing: 0.5px;
        }
        .comparison-table th:first-child { border-radius: 20px 0 0 20px; }
        .comparison-table th:last-child { border-radius: 0 20px 20px 0; }
        .comparison-table td {
            background: white;
            padding: 1.2rem 1.8rem;
            font-weight: 500;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            border: 1px solid rgba(234,88,12,0.1);
            text-align: center;
        }
        .comparison-table tr td:first-child {
            border-radius: 18px 0 0 18px;
            font-weight: 700;
            text-align: left;
            background: var(--bg);
        }
        .comparison-table tr td:last-child { border-radius: 0 18px 18px 0; }
        .comparison-table .fa-check { color: var(--primary); font-size: 1.3rem; }
        .comparison-table .fa-xmark { color: #b91c1c; font-size: 1.3rem; }
        
        /* 编号清单 */
        .numbered-list {
            list-style: none;
            counter-reset: step;
            padding: 0;
        }
        .numbered-list li {
            counter-increment: step;
            position: relative;
            padding: 1rem 0 1rem 4.5rem;
            font-size: 1.2rem;
            font-weight: 500;
            border-bottom: 1px dashed #e7d9cb;
        }
        .numbered-list li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 2.8rem;
            height: 2.8rem;
            background: var(--primary);
            color: white;
            font-weight: 800;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            box-shadow: 0 6px 12px rgba(234,88,12,0.3);
        }
        
        /* CTA按钮 */
        .btn-gradient {
            background: linear-gradient(145deg, #ea580c, #d97706);
            color: white;
            border: none;
            padding: 1rem 2.8rem;
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: 60px;
            box-shadow: 0 12px 25px rgba(234,88,12,0.4);
            transition: 0.3s;
            background-size: 200% auto;
        }
        .btn-gradient:hover {
            background-position: right center;
            color: white;
            transform: scale(1.02);
            box-shadow: 0 18px 30px rgba(234,88,12,0.5);
        }
        
        /* FAQ折叠 */
        .accordion-item {
            background: white;
            border: 1px solid rgba(234,88,12,0.15);
            border-radius: 20px !important;
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
        }
        .accordion-button {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text);
            background: white;
            padding: 1.3rem 1.8rem;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: #fff1e6;
            color: var(--primary);
        }
        .accordion-body { padding: 1rem 1.8rem 1.5rem; color: #44403c; }
        
        /* 数字滚动 */
        .stat-number {
            font-family: 'Courier New', monospace;
            font-weight: 700;
            font-size: 3.2rem;
            color: var(--primary);
            display: inline-block;
        }
        
        /* 友情链接 */
        .friend-links {
            background: white;
            border-radius: 40px;
            padding: 2rem 2rem;
            box-shadow: var(--shadow-soft);
        }
        footer {
            background: #1c1917;
            color: #d6d3d1;
        }
        footer a { color: #f59e0b; text-decoration: none; }
        footer a:hover { color: white; }
        
        /* 等宽数据 */
        .mono { font-family: 'Courier New', monospace; }
        
        /* 几何块位置 */
        .bg-decor span:nth-child(1) { top: 10%; left: 5%; width: 80px; height: 80px; }
        .bg-decor span:nth-child(2) { top: 20%; right: 8%; width: 120px; height: 120px; }
        .bg-decor span:nth-child(3) { bottom: 15%; left: 12%; width: 60px; height: 60px; }
        .bg-decor span:nth-child(4) { top: 60%; left: 85%; width: 90px; height: 90px; }
        .bg-decor span:nth-child(5) { bottom: 10%; right: 18%; width: 100px; height: 40px; border-radius: 20px; }

/* --- 子页面追加 --- */
/* 本页专属小样式 */
        .about-hero {
            background: linear-gradient(135deg, rgba(234,88,12,0.08) 0%, rgba(217,119,6,0.05) 50%, transparent 100%);
            border-bottom: 1px solid rgba(234,88,12,0.15);
        }
.about-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 2rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(234,88,12,0.1);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            height: 100%;
        }
.about-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-heavy);
        }
.about-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            display: inline-block;
        }
.about-card h3 {
            color: var(--text);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
        }
.about-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.milestone-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.milestone-list li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 1.2rem;
            color: var(--text-light);
            line-height: 1.6;
        }
.milestone-list li::before {
            content: '\f0a9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary);
            position: absolute;
            left: 0;
            top: 2px;
        }
.value-tag {
            display: inline-block;
            background: rgba(234,88,12,0.1);
            color: var(--primary);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
.about-stats .stat-number {
            font-size: 2.5rem;
        }

/* --- 子页面追加 --- */
.disclaimer-hero {
            padding: 120px 0 60px;
            background: linear-gradient(180deg, rgba(234,88,12,0.08) 0%, var(--bg) 100%);
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero h1 {
            font-weight: 900;
            font-size: 2.8rem;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 20px;
        }
.disclaimer-hero .lead {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 700px;
        }
.disclaimer-section {
            padding: 60px 0;
        }
.disclaimer-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 36px 40px;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(234,88,12,0.08);
            margin-bottom: 28px;
        }
.disclaimer-card h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            color: var(--accent);
        }
.disclaimer-card p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 14px;
        }
.disclaimer-card ul {
            padding-left: 20px;
            color: var(--text-light);
            line-height: 2;
        }
.disclaimer-card ul li::marker {
            color: var(--primary);
        }
.notice-box {
            background: linear-gradient(135deg, rgba(234,88,12,0.06) 0%, rgba(217,119,6,0.06) 100%);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 24px;
            margin: 20px 0;
        }
.notice-box p {
            margin-bottom: 0;
            color: var(--text);
            font-weight: 500;
        }
.contact-email {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            border-bottom: 1px dashed var(--primary);
        }
.contact-email:hover {
            color: var(--accent);
            border-bottom-style: solid;
        }
.disclaimer-hero h1 {
                font-size: 2rem;
            }
.disclaimer-card {
                padding: 24px 20px;
            }

/* --- 子页面追加 --- */
/* 本页专属微调样式 */
        .privacy-section { max-width: 860px; margin: 0 auto; }
.privacy-section h2 { font-size: 1.6rem; font-weight: 700; color: var(--text); margin: 2.5rem 0 1rem; position: relative; padding-left: 1rem; }
.privacy-section h2::before { content: ''; position: absolute; left: 0; top: 0.2rem; width: 4px; height: 1.4rem; background: var(--primary); border-radius: 2px; }
.privacy-section h3 { font-size: 1.25rem; font-weight: 600; color: var(--primary); margin: 1.8rem 0 0.8rem; }
.privacy-section p, .privacy-section li { color: var(--text-light); line-height: 1.8; font-size: 0.95rem; }
.privacy-section ul, .privacy-section ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.privacy-section li { margin-bottom: 0.5rem; }
.privacy-updated { display: inline-block; background: var(--primary); color: var(--white); padding: 0.3rem 1rem; border-radius: 20px; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem; }
.privacy-card { background: var(--white); border-radius: var(--radius-md); padding: 1.5rem; box-shadow: var(--shadow-soft); margin-bottom: 1rem; border-left: 4px solid var(--primary); }
.privacy-card strong { color: var(--text); display: block; margin-bottom: 0.5rem; }
.privacy-note { background: rgba(234, 88, 12, 0.05); border-radius: var(--radius-md); padding: 1.2rem 1.5rem; margin: 1.5rem 0; border: 1px solid rgba(234, 88, 12, 0.15); }
.privacy-note i { color: var(--primary); margin-right: 0.5rem; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#1c1917 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#1c1917 !important; }
.accordion-header { background:transparent !important; }