/* 全直角硬朗风 + 深夜石板配色变量 */
        :root {
            --primary: #38bdf8;
            --accent: #a78bfa;
            --bg: #0f172a;
            --text: #e2e8f0;
            --card-bg: #1e293b;
            --border-thick: 3px solid #334155;
            --shadow-hard: 8px 8px 0 #000000;
            --radius: 0px; /* 全直角 */
        }

        * { border-radius: 0 !important; }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            font-weight: 400;
            line-height: 1.6;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

        /* 滚动进度条 (顶部) */
        #scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            z-index: 9999;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
            transition: width 0.1s linear;
        }

        /* 渐变光晕/模糊光斑 */
        .glow-spot {
            position: absolute;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(167, 139, 250, 0.25) 0%, transparent 70%);
            filter: blur(70px);
            pointer-events: none;
            z-index: 0;
        }
        .glow-spot-2 {
            position: absolute;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.3) 0%, transparent 70%);
            filter: blur(90px);
            right: 0;
            top: 20%;
        }

        /* 导航 */
        .navbar-hard {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(8px);
            border-bottom: var(--border-thick);
            padding: 0.75rem 0;
            box-shadow: 0 4px 0 #0b1120;
            z-index: 1000;
        }
        .navbar-brand {
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--text) !important;
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand i { color: var(--primary); }
        .navbar-nav .nav-link {
            color: var(--text);
            font-weight: 600;
            margin: 0 0.6rem;
            padding: 0.5rem 0.25rem;
            border-bottom: 3px solid transparent;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.06em;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .navbar-toggler {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(56, 189, 248, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* 通用卡片全直角 + 硬阴影 */
        .bento-card {
            background-color: var(--card-bg);
            border: var(--border-thick);
            box-shadow: var(--shadow-hard);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            padding: 1.5rem;
            height: 100%;
        }
        .bento-card:hover {
            transform: translateY(-6px);
            box-shadow: 12px 12px 0 #000;
        }

        /* 大数字 */
        .stat-number {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1;
            color: var(--primary);
            text-shadow: 4px 4px 0 #000;
        }

        /* 标题反差 */
        h1, h2, h3 {
            font-weight: 900;
            letter-spacing: -0.02em;
            color: #f8fafc;
        }
        h1 { font-size: clamp(2.8rem, 8vw, 5.5rem); }
        h2 { font-size: 2.4rem; border-left: 8px solid var(--accent); padding-left: 0.8rem; margin: 2rem 0 1.5rem; }
        .lead { font-weight: 300; font-size: 1.3rem; color: #cbd5e1; }

        /* 编号清单 */
        .steps-list {
            list-style: none;
            counter-reset: step;
            padding-left: 0;
        }
        .steps-list li {
            counter-increment: step;
            display: flex;
            gap: 1.5rem;
            align-items: baseline;
            padding: 1.2rem 0;
            border-bottom: 2px solid #2d3a4f;
        }
        .steps-list li::before {
            content: "0" counter(step);
            font-weight: 900;
            font-size: 2rem;
            color: var(--accent);
            min-width: 3.5rem;
        }

        /* 对比表格 */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            border: var(--border-thick);
            background: #1a2436;
        }
        .compare-table th, .compare-table td {
            padding: 1rem;
            border: 2px solid #334155;
            font-weight: 500;
        }
        .compare-table th {
            background: #263449;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .compare-table .feature-bad { color: #f87171; font-weight: 600; }
        .compare-table .feature-good { color: #4ade80; font-weight: 600; }

        /* 页脚与友链 */
        .footer-links {
            border-top: 3px solid #334155;
            background: #0b1222;
            padding: 2rem 0;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            font-size: 1rem;
        }
        .friend-links a {
            color: var(--text);
            text-decoration: none;
            border-bottom: 1px solid var(--primary);
        }

        /* hero打字机 */
        .typewriter {
            display: inline-block;
            overflow: hidden;
            white-space: nowrap;
            border-right: 4px solid var(--primary);
            animation: typing 3s steps(20, end) infinite alternate, blink 0.7s step-end infinite;
            max-width: fit-content;
        }
        @keyframes typing {
            0% { width: 0; }
            80%, 100% { width: 100%; }
        }
        @keyframes blink {
            50% { border-color: transparent; }
        }

        /* parallax hero */
        .hero-section {
            position: relative;
            min-height: 70vh;
            background-image: url('{随机图片}'); /* 影视占位符，但此处为通用主题，按规范使用随机图片占位符 */
            background-size: cover;
            background-position: center 30%;
            background-attachment: fixed; /* parallax 视差 */
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.72);
            z-index: 0;
        }

        /* Bento 网格布局 */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 1.5rem;
        }
        .col-span-3 { grid-column: span 3; }
        .col-span-4 { grid-column: span 4; }
        .col-span-5 { grid-column: span 5; }
        .col-span-6 { grid-column: span 6; }
        .col-span-7 { grid-column: span 7; }
        .col-span-12 { grid-column: span 12; }
        @media (max-width: 768px) {
            .col-span-3, .col-span-4, .col-span-5, .col-span-6, .col-span-7 { grid-column: span 12; }
        }

        /* 通用区块间隔 */
        .section-pad { padding: 4rem 0; }
        .container-custom { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* --- 子页面追加 --- */
/* 页面专属微调 */
        .about-hero { padding: 100px 0 60px; position: relative; }
.about-hero h1 { font-size: 2.8rem; font-weight: 900; letter-spacing: -1px; }
.about-section { padding: 70px 0; }
.about-section + .about-section { border-top: var(--border-thick); }
.about-intro p { font-size: 1.1rem; line-height: 1.9; }
.philosophy-card { background: var(--card-bg); border: var(--border-thick); box-shadow: var(--shadow-hard); padding: 30px; margin-bottom: 30px; transition: transform .3s ease; }
.philosophy-card:hover { transform: translate(-3px, -3px); box-shadow: 12px 12px 0 #000; }
.philosophy-card i { font-size: 2.5rem; color: var(--primary); margin-bottom: 15px; }
.philosophy-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.philosophy-card p { color: rgba(226, 232, 240, .85); line-height: 1.7; }
.value-list li { margin-bottom: 12px; color: var(--text); }
.value-list li i { color: var(--primary); margin-right: 10px; }
.timeline-item { border-left: 3px solid var(--primary); padding-left: 20px; margin-bottom: 30px; }
.timeline-item .year { font-weight: 800; color: var(--primary); font-size: 1.1rem; }
.timeline-item p { color: rgba(226, 232, 240, .85); }
.about-quote { border-left: 4px solid var(--accent); padding: 20px 30px; background: rgba(167, 139, 250, .08); margin: 40px 0; font-style: italic; font-size: 1.05rem; }
.about-quote .author { display: block; margin-top: 10px; font-style: normal; font-weight: 600; color: var(--primary); }
.cta-banner { background: var(--card-bg); border: var(--border-thick); box-shadow: var(--shadow-hard); padding: 40px; text-align: center; margin: 60px 0; }
.cta-banner h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 10px; }
.about-hero h1 { font-size: 2rem; }
.about-section { padding: 40px 0; }

/* --- 子页面追加 --- */
/* 免责声明页面专属样式 */
        .disclaimer-hero {
            background: var(--card-bg);
            border: var(--border-thick);
            box-shadow: var(--shadow-hard);
            padding: 3.5rem 0;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
.disclaimer-hero .lead {
            color: var(--text);
            opacity: 0.8;
            max-width: 700px;
        }
.disclaimer-section {
            background: var(--card-bg);
            border: 2px solid var(--border-color, #334155);
            box-shadow: var(--shadow-hard);
            padding: 2.5rem;
            margin-bottom: 2rem;
            position: relative;
        }
.disclaimer-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.25rem;
            padding-left: 1rem;
            border-left: 3px solid var(--accent);
        }
.disclaimer-section p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 1rem;
            opacity: 0.9;
        }
.disclaimer-section ul {
            color: var(--text);
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.disclaimer-section li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }
.disclaimer-highlight {
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.3);
            padding: 1.25rem;
            margin: 1.5rem 0;
        }
.disclaimer-highlight strong {
            color: var(--primary);
        }
.disclaimer-date {
            color: var(--text);
            opacity: 0.6;
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color, #334155);
        }
.disclaimer-hero h1 {
                font-size: 1.8rem;
            }
.disclaimer-section {
                padding: 1.5rem;
            }

/* --- 子页面追加 --- */
/* 排行榜页面专属样式 */
        .rank-card {
            background: var(--card-bg);
            border: var(--border-thick);
            box-shadow: var(--shadow-hard);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
.rank-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 12px 12px 0 #000000;
        }
.rank-number {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            min-width: 80px;
            text-align: center;
            line-height: 1;
            -webkit-text-stroke: 2px var(--primary);
            -webkit-text-fill-color: transparent;
        }
.rank-info {
            flex: 1;
        }
.rank-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
.rank-meta {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
        }
.rank-desc {
            color: rgba(226, 232, 240, 0.8);
            font-size: 0.95rem;
            line-height: 1.6;
        }
.rank-badge {
            background: var(--primary);
            color: #0f172a;
            padding: 0.25rem 0.75rem;
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: var(--radius);
            margin-right: 0.5rem;
            display: inline-block;
        }
.rank-badge.accent {
            background: var(--accent);
        }
.rank-stats {
            display: flex;
            gap: 1rem;
            margin-top: 0.75rem;
            flex-wrap: wrap;
        }
.rank-stat {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(226, 232, 240, 0.7);
            font-size: 0.85rem;
        }
.rank-stat i {
            color: var(--primary);
        }
.trend-up {
            color: #4ade80;
        }
.trend-down {
            color: #f87171;
        }
.trend-flat {
            color: #fbbf24;
        }
.category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
.category-tab {
            background: var(--card-bg);
            border: var(--border-thick);
            padding: 0.5rem 1.5rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: var(--radius);
        }
.category-tab:hover, .category-tab.active {
            background: var(--primary);
            color: #0f172a;
            border-color: var(--primary);
        }
.rank-list-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid rgba(51, 65, 85, 0.5);
        }
.rank-update-time {
            color: rgba(226, 232, 240, 0.6);
            font-size: 0.85rem;
        }
.rank-card {
                flex-direction: column;
                text-align: center;
            }
.rank-number {
                min-width: auto;
            }
.rank-stats {
                justify-content: center;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-item { background:rgba(255,255,255,.04) !important; color:#e2e8f0 !important; border-color:rgba(255,255,255,.12) !important; }
.accordion-button { background:rgba(255,255,255,.04) !important; color:#e2e8f0 !important; }
.accordion-body { background:transparent !important; color:#e2e8f0 !important; }
.accordion-header { background:transparent !important; }
.accordion-button::after { filter: invert(1) grayscale(1) brightness(2); }