:root {
            --main: #eab308;
            --accent: #f59e0b;
            --bg: #18181b;
            --text: #fafafa;
            --card-bg: #27272a;
            --radius: 18px;
            --radius-pill: 50rem;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Noto Sans SC', 'Inter', sans-serif;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }
        h1, h2, h3, h4, .font-serif {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        a { text-decoration: none; color: inherit; }

        /* 滚动进度条 (顶部) */
        #scrollProgress {
            position: fixed;
            top: 0; left: 0;
            height: 4px;
            width: 0%;
            background: linear-gradient(90deg, var(--main), var(--accent));
            z-index: 9999;
            border-radius: 0 10px 10px 0;
            transition: width 0.1s;
        }

        /* 顶部导航 */
        .navbar-jiu {
            background: rgba(24, 24, 27, 0.85);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(234, 179, 8, 0.15);
        }
        .navbar-brand-jiu {
            font-weight: 900;
            font-size: 1.9rem;
            letter-spacing: 2px;
            color: var(--main) !important;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand-jiu i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .nav-link-jiu {
            color: var(--text) !important;
            font-weight: 500;
            margin: 0 0.4rem;
            transition: 0.2s;
            border-radius: var(--radius-pill);
            padding: 0.5rem 1rem !important;
        }
        .nav-link-jiu:hover {
            background: rgba(234, 179, 8, 0.12);
            color: var(--main) !important;
        }
        .navbar-toggler-jiu {
            border: 1px solid var(--main);
            color: var(--main);
        }

        /* 通用区块 */
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 10px;
        }

        /* 胶囊按钮 */
        .btn-capsule {
            background: var(--main);
            color: #18181b;
            padding: 0.75rem 2.2rem;
            border-radius: var(--radius-pill);
            font-weight: 600;
            border: none;
            transition: 0.2s;
            font-size: 1.1rem;
            box-shadow: 0 6px 20px rgba(234, 179, 8, 0.25);
        }
        .btn-capsule:hover {
            background: var(--accent);
            color: #18181b;
            transform: scale(1.02);
        }

        /* Hero 打字机 */
        .hero-typing {
            min-height: 78vh;
            display: flex;
            align-items: center;
            background: radial-gradient(circle at 20% 30%, #27272a, #18181b);
        }
        .typewriter h1 {
            font-size: clamp(2.5rem, 7vw, 5.2rem);
            font-weight: 900;
            line-height: 1.2;
            border-right: 3px solid var(--main);
            white-space: nowrap;
            overflow: hidden;
            display: inline-block;
            animation: caret 0.8s step-end infinite;
            color: var(--main);
        }
        .typewriter h1 span {
            color: var(--text);
        }
        @keyframes caret {
            0%, 100% { border-color: var(--main); }
            50% { border-color: transparent; }
        }

        /* 时间线 */
        .timeline-jiu {
            position: relative;
            padding: 2rem 0;
        }
        .timeline-jiu::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 20px;
            bottom: 20px;
            width: 4px;
            background: linear-gradient(to bottom, var(--main), var(--accent));
            border-radius: 10px;
        }
        .timeline-item {
            position: relative;
            padding-left: 60px;
            margin-bottom: 40px;
        }
        .timeline-item .badge-dot {
            position: absolute;
            left: 8px;
            top: 5px;
            width: 32px;
            height: 32px;
            background: var(--bg);
            border: 3px solid var(--main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--main);
            font-size: 0.8rem;
            font-weight: bold;
        }

        /* 卡片 */
        .card-jiu {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid rgba(234, 179, 8, 0.1);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .card-jiu:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.4);
        }
        .img-zoom {
            overflow: hidden;
        }
        .img-zoom img {
            transition: transform 0.5s;
            width: 100%;
            height: auto;
        }
        .img-zoom:hover img {
            transform: scale(1.06);
        }
        .overlay-fade {
            position: relative;
        }
        .overlay-fade .overlay-text {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
            opacity: 0;
            transition: 0.3s;
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }
        .overlay-fade:hover .overlay-text {
            opacity: 1;
        }

        /* 对比表格 */
        .table-jiu {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .table-jiu th, .table-jiu td {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .table-jiu thead {
            background: #1f1f22;
            font-family: 'Noto Serif SC', serif;
            font-weight: 600;
        }

        /* 标签页特色 */
        .nav-pills-jiu .nav-link {
            background: transparent;
            color: var(--text);
            border-radius: var(--radius-pill);
            margin: 0 5px;
            border: 1px solid transparent;
        }
        .nav-pills-jiu .nav-link.active {
            background: var(--main);
            color: #18181b;
            border-color: var(--main);
        }

        /* 滚动出现动画 */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.7s ease;
        }
        .reveal.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        /* 友链区 */
        .friend-links {
            background: #1e1e21;
            border-top: 1px solid rgba(234,179,8,0.2);
        }
        footer a {
            color: var(--main);
        }

        @media (max-width: 768px) {
            .timeline-jiu::before { left: 14px; }
            .timeline-item { padding-left: 50px; }
            .timeline-item .badge-dot { left: 2px; }
            .typewriter h1 { font-size: 2rem; white-space: normal; border-right: none; }
        }

/* --- 子页面追加 --- */
/* 页面专属补充样式(会自动合并进站点CSS) */
        .about-hero {
            padding: 5rem 0 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(234,179,8,.08) 0%, transparent 70%);
            pointer-events: none;
        }
.about-hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            margin-bottom: 1rem;
            color: var(--main);
            position: relative;
        }
.about-hero p.lead {
            max-width: 640px;
            margin: 0 auto;
            color: rgba(250,250,250,.75);
            font-size: 1.1rem;
            position: relative;
        }
.about-section {
            padding: 3rem 0;
        }
.about-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--main);
            display: flex;
            align-items: center;
            gap: .6rem;
        }
.about-section h2 i {
            font-size: 1.4rem;
            color: var(--accent);
        }
.about-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 2rem;
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease;
        }
.about-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(0,0,0,.25);
        }
.about-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(234,179,8,.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--main);
            margin-bottom: 1.2rem;
        }
.about-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: .8rem;
            color: var(--text);
        }
.about-card p {
            color: rgba(250,250,250,.7);
            font-size: .95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }
.stat-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.5rem 1rem;
            border: 1px solid rgba(234,179,8,.1);
        }
.stat-item .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--main);
            line-height: 1.2;
        }
.stat-item .label {
            font-size: .85rem;
            color: rgba(250,250,250,.6);
            margin-top: .3rem;
        }
.compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            font-size: .95rem;
        }
.compare-table th {
            background: rgba(234,179,8,.12);
            color: var(--main);
            font-weight: 700;
            padding: 1rem 1.2rem;
            text-align: center;
            border-bottom: 2px solid rgba(234,179,8,.2);
        }
.compare-table td {
            padding: .9rem 1.2rem;
            color: rgba(250,250,250,.8);
            text-align: center;
            border-bottom: 1px solid rgba(255,255,255,.06);
        }
.compare-table tr:last-child td {
            border-bottom: none;
        }
.compare-table .yes {
            color: #22c55e;
            font-weight: 600;
        }
.compare-table .no {
            color: #ef4444;
            font-weight: 600;
        }
.faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.5rem 1.8rem;
            margin-bottom: 1rem;
            border-left: 3px solid var(--main);
        }
.faq-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: .5rem;
            display: flex;
            align-items: center;
            gap: .5rem;
        }
.faq-item h3 i {
            color: var(--accent);
            font-size: .9rem;
        }
.faq-item p {
            color: rgba(250,250,250,.7);
            font-size: .92rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -1.85rem;
            top: .4rem;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--main);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 2px var(--main);
        }
.timeline-item .time {
            font-size: .85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: .3rem;
        }
.timeline-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: .4rem;
        }
.timeline-item p {
            color: rgba(250,250,250,.7);
            font-size: .92rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.about-hero h1 { font-size: 2rem; }
.about-section h2 { font-size: 1.4rem; }
.about-card { padding: 1.4rem; }

/* --- 子页面追加 --- */
.disclaimer-section {
            padding: 80px 0;
        }
.disclaimer-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-left: 4px solid var(--main);
            transition: transform .3s ease;
        }
.disclaimer-card:hover {
            transform: translateY(-4px);
        }
.disclaimer-card h2 {
            color: var(--main);
            font-weight: 700;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
        }
.disclaimer-card p, .disclaimer-card li {
            color: rgba(250,250,250,.85);
            line-height: 1.9;
            font-size: .95rem;
        }
.disclaimer-card ul {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.disclaimer-card li {
            margin-bottom: .5rem;
        }
.highlight-box {
            background: rgba(234,179,8,.08);
            border: 1px solid rgba(234,179,8,.3);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
.highlight-box p {
            color: var(--main);
            font-weight: 500;
        }
.updated-date {
            color: rgba(250,250,250,.5);
            font-size: .85rem;
            margin-top: 2rem;
            text-align: right;
        }
.disclaimer-section {
                padding: 40px 0;
            }
.disclaimer-card {
                padding: 1.5rem;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#fafafa !important; border-color:rgba(255,255,255,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#fafafa !important; }