/* 拟物厚重风 + 黑金商务 */
        :root {
            --primary: #eab308;
            --accent: #f59e0b;
            --bg: #18181b;
            --text: #fafafa;
            --card-bg: #1e1e21;
            --shadow-heavy: 0 20px 40px rgba(0,0,0,0.8), 0 8px 20px rgba(0,0,0,0.6);
            --shadow-hover: 0 35px 60px rgba(0,0,0,0.9), 0 12px 30px rgba(234,179,8,0.15);
            --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

        /* 点阵背景 + 细网格线 */
        .dot-grid-bg {
            background-image: radial-gradient(circle, rgba(234,179,8,0.08) 1px, transparent 1px);
            background-size: 28px 28px;
        }

        .grid-lines {
            background-image: linear-gradient(to right, rgba(250,250,250,0.03) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(250,250,250,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        /* 超大标题 */
        .display-hero {
            font-size: clamp(3rem, 8vw, 5rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.02em;
            text-shadow: 0 8px 30px rgba(0,0,0,0.9), 0 0 0 1px rgba(234,179,8,0.3);
        }

        .section-title {
            font-size: 2.8rem;
            font-weight: 800;
            position: relative;
            display: inline-block;
            padding-bottom: 0.3rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 2px;
        }

        /* 等宽数据 */
        .mono-data {
            font-family: var(--font-mono);
            font-weight: 500;
            letter-spacing: -0.02em;
        }

        /* 导航 */
        .navbar-mine {
            background: rgba(24, 24, 27, 0.8);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(234,179,8,0.2);
            box-shadow: 0 10px 30px -10px rgba(0,0,0,0.7);
            padding: 0.7rem 0;
        }

        .navbar-mine .navbar-brand {
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--primary) !important;
            text-shadow: 0 2px 10px rgba(234,179,8,0.4);
        }

        .navbar-mine .nav-link {
            color: rgba(250,250,250,0.85);
            font-weight: 500;
            margin: 0 0.8rem;
            transition: all 0.2s;
            border-bottom: 2px solid transparent;
        }

        .navbar-mine .nav-link:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        /* 卡片拟物 */
        .card-skeuo {
            background: linear-gradient(145deg, #202024, #18181b);
            border-radius: 24px;
            box-shadow: var(--shadow-heavy);
            border: 1px solid rgba(255,255,255,0.06);
            transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.2);
            padding: 1.8rem;
        }

        .card-skeuo:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(234,179,8,0.25);
        }

        /* 双按钮 */
        .btn-gold {
            background: linear-gradient(135deg, #fbbf24, #d97706);
            border: none;
            font-weight: 700;
            padding: 0.9rem 2.5rem;
            box-shadow: 0 10px 20px -8px rgba(234,179,8,0.7);
            border-radius: 60px;
            color: #18181b;
            transition: all 0.2s;
        }

        .btn-ghost {
            background: transparent;
            border: 2px solid rgba(234,179,8,0.6);
            color: var(--primary);
            font-weight: 600;
            padding: 0.85rem 2.2rem;
            border-radius: 60px;
            backdrop-filter: blur(4px);
        }

        .btn-ghost:hover {
            background: rgba(234,179,8,0.1);
            border-color: var(--primary);
        }

        /* 步骤条 / 时间线 */
        .timeline-vertical {
            position: relative;
            padding-left: 2.5rem;
        }

        .timeline-vertical::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.3rem;
            top: 0.5rem;
            width: 18px;
            height: 18px;
            background: var(--bg);
            border: 3px solid var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(234,179,8,0.2);
        }

        /* 对比表格 */
        .table-compare {
            width: 100%;
            border-collapse: collapse;
            font-size: 1.1rem;
        }

        .table-compare th, .table-compare td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .table-compare thead th {
            color: var(--primary);
            font-weight: 800;
            background: rgba(234,179,8,0.05);
        }

        .table-compare td:first-child {
            font-weight: 600;
            color: #f0f0f0;
        }

        .table-compare .fa-check { color: #22c55e; }
        .table-compare .fa-xmark { color: #ef4444; }

        /* 手风琴（原生details） */
        details.accordion-custom {
            background: rgba(30, 30, 33, 0.8);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 18px;
            margin-bottom: 1rem;
            padding: 0.8rem 1.5rem;
            box-shadow: 0 6px 14px rgba(0,0,0,0.4);
            transition: 0.2s;
        }

        details.accordion-custom summary {
            font-weight: 700;
            font-size: 1.3rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }

        details.accordion-custom summary::-webkit-details-marker { display: none; }

        details.accordion-custom summary i {
            color: var(--primary);
            transition: transform 0.3s;
        }

        details[open].accordion-custom summary i {
            transform: rotate(45deg);
        }

        details.accordion-custom p {
            margin-top: 1rem;
            color: rgba(250,250,250,0.8);
            border-top: 1px dashed rgba(234,179,8,0.3);
            padding-top: 1rem;
        }

        /* 特色图标列表 */
        .icon-list-item {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .icon-list-item i {
            font-size: 2.8rem;
            min-width: 4rem;
            text-align: center;
            color: var(--primary);
            text-shadow: 0 4px 20px rgba(234,179,8,0.5);
        }

        /* footer */
        .footer-gold {
            background: #121214;
            border-top: 2px solid rgba(234,179,8,0.4);
            box-shadow: inset 0 20px 30px -30px rgba(234,179,8,0.3);
        }

        /* 滚动动画 */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
        }

        .reveal.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        /* 友链区域 */
        .friend-links a {
            color: rgba(250,250,250,0.75);
            text-decoration: none;
            margin-right: 1.8rem;
            font-size: 0.95rem;
        }
        .friend-links a:hover { color: var(--primary); }

        /* hero视差背景 */
        .parallax-hero {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
            background-image: 
                linear-gradient(rgba(24,24,27,0.85), rgba(24,24,27,0.95)),
                url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAwIiBoZWlnaHQ9IjIwMCIgdmlld0JveD0iMCAwIDIwMCAyMDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2U2YjMwOCIgb3BhY2l0eT0iMC4wNSIvPjxjaXJjbGUgY3g9IjUwIiBjeT0iNTAiIHI9IjIiIGZpbGw9IiNlYWIzMDgiLz48L3N2Zz4=');
        }

/* --- 子页面追加 --- */
/* 页面专属补充样式 */
        .about-hero {
            padding: 120px 0 80px;
            position: relative;
        }
.about-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.15;
        }
.about-hero .lead-text {
            font-size: 1.2rem;
            opacity: 0.75;
            max-width: 640px;
        }
.section-block {
            padding: 70px 0;
        }
.section-block + .section-block {
            border-top: 1px solid rgba(234,179,8,0.12);
        }
.brand-chip {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.75rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            border: 1px solid rgba(234,179,8,0.3);
            padding: 5px 14px;
            border-radius: 40px;
            margin-bottom: 14px;
        }
.stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }
.stat-item {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 14px;
            padding: 24px 20px;
            text-align: center;
        }
.stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
        }
.stat-item .stat-label {
            font-size: 0.85rem;
            opacity: 0.6;
            margin-top: 4px;
        }
.value-list {
            margin-top: 20px;
        }
.value-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
.value-item i {
            color: var(--primary);
            font-size: 1.3rem;
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
.value-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
.value-item p {
            font-size: 0.92rem;
            opacity: 0.65;
            margin: 0;
        }
.timeline-mine {
            position: relative;
            padding-left: 30px;
        }
.timeline-mine::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), rgba(234,179,8,0.1));
        }
.timeline-mine .tl-entry {
            position: relative;
            padding-bottom: 32px;
        }
.timeline-mine .tl-entry::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg);
            border: 2px solid var(--primary);
        }
.timeline-mine .tl-year {
            font-family: var(--font-mono);
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
        }
.timeline-mine .tl-title {
            font-weight: 600;
            font-size: 1.05rem;
            margin: 4px 0 6px;
        }
.timeline-mine .tl-desc {
            font-size: 0.9rem;
            opacity: 0.65;
        }
.about-cta {
            background: linear-gradient(135deg, rgba(234,179,8,0.12), rgba(245,158,11,0.04));
            border: 1px solid rgba(234,179,8,0.2);
            border-radius: 20px;
            padding: 50px 40px;
            text-align: center;
        }
.about-hero h1 { font-size: 2.4rem; }
.about-hero { padding: 90px 0 50px; }
.section-block { padding: 50px 0; }
.stat-grid { grid-template-columns: repeat(2, 1fr); }
.about-cta { padding: 35px 24px; }

/* --- 子页面追加 --- */
/* 覆盖 Bootstrap 组件配色（防白块） */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
        .form-control, .form-select, .form-label, .input-group-text,
        .list-group-item, .accordion-item, .accordion-button, .accordion-body {
            background: var(--card-bg);
            color: var(--text);
            border-color: var(--primary);
        }
.form-control {
            background: rgba(0,0,0,0.4);
            color: var(--text);
            border: 1px solid rgba(234,179,8,0.3);
        }
.form-control::placeholder {
            color: rgba(250,250,250,0.5);
        }
.form-control:focus {
            background: rgba(0,0,0,0.6);
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(234,179,8,0.25);
            color: var(--text);
        }
.btn-gold:hover {
            background: var(--accent);
            color: #18181b;
        }
/* 订阅页专属装饰 */
        .subscribe-hero {
            background: radial-gradient(circle at 20% 30%, rgba(234,179,8,0.15), transparent 60%);
            border-bottom: 1px solid rgba(234,179,8,0.2);
        }
.mono-badge {
            font-family: var(--font-mono);
            color: var(--primary);
            letter-spacing: 0.05em;
        }
.timeline-vertical .timeline-item::before {
            background: var(--primary);
        }
.footer-gold a {
            color: var(--primary);
        }
.footer-gold a:hover {
            color: var(--accent);
        }
/* 当前页导航高亮 */
        .navbar-mine .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom: 2px solid var(--primary);
        }

/* --- 子页面追加 --- */
/* 本页专属微调 —— 保持与首页风格完全一致 */
        .rank-number {
            font-family: var(--font-mono);
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
.rank-card {
            background: var(--card-bg);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 1.25rem;
            padding: 1.2rem 1.5rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
            box-shadow: var(--shadow-heavy);
            height: 100%;
        }
.rank-card:hover {
            transform: translateY(-4px);
            border-color: rgba(234,179,8,0.4);
            box-shadow: var(--shadow-hover);
        }
.rank-cover {
            width: 56px;
            height: 76px;
            object-fit: cover;
            border-radius: 10px;
            background: #2a2a2e;
            box-shadow: 0 8px 16px rgba(0,0,0,0.6);
        }
.badge-miao {
            background: rgba(234,179,8,0.15);
            color: var(--primary);
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            border: 1px solid rgba(234,179,8,0.3);
        }
.section-break {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin: 2.5rem 0;
        }
.trend-up { color: #4ade80; font-weight: 500; }
.trend-down { color: #f87171; font-weight: 500; }
.table-compare td, .table-compare th { border-color: rgba(255,255,255,0.1); }
.list-group-item { background: transparent; }
/* 确保bootstrap无白底干扰 */
        .card, .card-body, .list-group-item { background: transparent; color: var(--text); }

/* --- 子页面追加 --- */
/* 由于本页使用了 Bootstrap 栅格与部分交互组件,这里强制覆盖可能的白色背景 */
        .privacy-card, .privacy-card-body {
            background: var(--card-bg) !important;
            color: var(--text) !important;
            border: 1px solid rgba(234,179,8,0.2) !important;
        }
.accordion-button:not(.collapsed) {
            background: rgba(234,179,8,0.08) !important;
            color: var(--primary) !important;
        }
.accordion-button::after {
            filter: invert(80%) sepia(60%) saturate(500%) hue-rotate(10deg); /* 金色箭头 */
        }
.form-control, .form-select {
            background: rgba(0,0,0,0.35) !important;
            color: var(--text) !important;
            border: 1px solid var(--primary) !important;
        }
.btn-outline-primary {
            border-color: var(--primary) !important;
            color: var(--primary) !important;
        }
.btn-outline-primary:hover {
            background: var(--primary) !important;
            color: #18181b !important;
        }
/* 自定义卡片微调 */
        .privacy-block {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 1.8rem;
            box-shadow: var(--shadow-heavy);
            border: 1px solid rgba(234,179,8,0.15);
            transition: box-shadow 0.2s;
        }
.privacy-block:hover {
            box-shadow: var(--shadow-hover);
        }
/* 小标题点缀 */
        .section-title {
            position: relative;
            display: inline-block;
            margin-bottom: 1rem;
        }
/* 导航高亮当前页 */
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            font-weight: 600;
        }
/* 确保链接颜色 */
        a {
            color: var(--primary);
            text-decoration: none;
        }

/* --- 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; }
.accordion-header { background:transparent !important; }