:root {
            --main: #ea580c;
            --accent: #d97706;
            --bg: #fffbf5;
            --text: #1c1917;
            --border: 3px solid #1c1917;
            --shadow: 8px 8px 0 #1c1917;
        }
        * {
            border-radius: 0 !important;
            font-family: 'Inter', '思源黑体', sans-serif;
        }
        body {
            background-color: var(--bg);
            color: var(--text);
            scroll-behavior: smooth;
            overflow-x: hidden;
        }
        h1,h2,h3,h4,h5,.font-serif {
            font-family: '思源宋体', 'Noto Serif SC', serif;
            font-weight: 900;
            letter-spacing: 0.02em;
        }
        /* 滚动进度条 */
        #scrollProgress {
            position: fixed;
            top: 0;
            left: 0;
            height: 6px;
            width: 0%;
            background: linear-gradient(90deg, var(--main), var(--accent));
            z-index: 9999;
            transition: width 0.1s;
            box-shadow: 0 2px 6px rgba(234,88,12,0.4);
        }
        /* 导航 */
        .navbar-hard {
            background: var(--bg);
            border-bottom: var(--border);
            box-shadow: 0 4px 0 rgba(0,0,0,0.03);
        }
        .navbar-hard .navbar-brand {
            font-weight: 900;
            font-size: 2rem;
            color: var(--text);
            letter-spacing: 1px;
            border-right: 3px solid var(--text);
            padding-right: 1.2rem;
            margin-right: 1rem;
        }
        .navbar-hard .nav-link {
            font-weight: 600;
            color: var(--text);
            margin: 0 0.3rem;
            border: 2px solid transparent;
            padding: 0.4rem 0.8rem;
            transition: 0.2s;
        }
        .navbar-hard .nav-link:hover {
            border: 2px solid var(--text);
            background: var(--main);
            color: white;
            box-shadow: 4px 4px 0 var(--text);
        }
        .navbar-toggler {
            border: 2px solid var(--text);
        }

        /* Hero */
        .hero-section {
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg);
            overflow: hidden;
            border-bottom: var(--border);
        }
        .gradient-title {
            font-size: 5.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--main), var(--accent), #f59e0b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
            display: inline-block;
            filter: drop-shadow(4px 4px 0 rgba(0,0,0,0.1));
        }
        .hero-sub {
            font-size: 1.5rem;
            font-weight: 500;
            color: #57534e;
            max-width: 600px;
            border-left: 5px solid var(--main);
            padding-left: 1.5rem;
        }
        .floating-elem {
            position: absolute;
            font-size: 4rem;
            opacity: 0.15;
            animation: float 5s infinite alternate ease-in-out;
            user-select: none;
            pointer-events: none;
        }
        @keyframes float {
            0% { transform: translateY(0) rotate(-5deg); }
            100% { transform: translateY(-20px) rotate(8deg); }
        }
        .float1 { top: 15%; left: 8%; }
        .float2 { bottom: 20%; right: 10%; animation-delay: 1.2s; }
        .float3 { top: 10%; right: 20%; animation-duration: 7s; }

        /* 区块通用 */
        .section-hard {
            padding: 5rem 0;
            border-bottom: 3px solid #1c1917;
        }
        .section-title {
            font-size: 3rem;
            font-weight: 900;
            position: relative;
            display: inline-block;
            margin-bottom: 2.5rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0; bottom: -8px;
            width: 100%;
            height: 12px;
            background: var(--accent);
            z-index: -1;
        }

        /* 特色卡片硬朗风格 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }
        .hard-card {
            background: #fff;
            border: var(--border);
            box-shadow: var(--shadow);
            padding: 1.8rem 1.2rem;
            transition: 0.2s ease;
            background: white;
        }
        .hard-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: 12px 12px 0 var(--text);
        }
        .hard-card i {
            font-size: 2.5rem;
            color: var(--main);
        }
        .hard-card h3 {
            font-weight: 800;
            margin-top: 1rem;
            font-size: 1.8rem;
        }
        .tag-badge {
            display: inline-block;
            background: var(--main);
            color: white;
            border: 2px solid var(--text);
            padding: 0.2rem 0.8rem;
            font-weight: bold;
            font-size: 0.8rem;
            margin-right: 0.3rem;
            box-shadow: 2px 2px 0 var(--text);
        }

        /* 标签页切换 (特色) */
        .tab-wrap {
            border: var(--border);
            background: white;
            box-shadow: var(--shadow);
            padding: 2rem;
        }
        .nav-tabs-hard .nav-link {
            border: 2px solid var(--text);
            border-bottom: none;
            font-weight: 700;
            background: #fff;
            color: var(--text);
            margin-right: 0.5rem;
            padding: 0.6rem 1.5rem;
            transition: 0.1s;
        }
        .nav-tabs-hard .nav-link.active {
            background: var(--main);
            color: white;
            box-shadow: 4px 4px 0 var(--text);
            transform: translate(-2px, -2px);
        }

        /* 时间线 */
        .timeline {
            position: relative;
            padding-left: 2rem;
            border-left: 4px solid var(--main);
            margin-top: 2rem;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.4rem;
            top: 0.4rem;
            width: 16px;
            height: 16px;
            background: var(--accent);
            border: 2px solid var(--text);
            box-shadow: 2px 2px 0 var(--text);
        }
        .timeline-year {
            font-weight: 900;
            font-size: 2rem;
            color: var(--main);
        }

        /* FAQ */
        .faq-item {
            border: var(--border);
            background: white;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 6px 6px 0 var(--text);
        }
        .faq-question {
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 0.7rem;
            border-left: 6px solid var(--accent);
            padding-left: 1rem;
        }

        /* CTA */
        .cta-section {
            background: var(--main);
            color: white;
            border-top: var(--border);
            border-bottom: var(--border);
            text-align: center;
            padding: 5rem 0;
        }
        .btn-hard {
            background: white;
            color: var(--text);
            border: 3px solid var(--text);
            padding: 0.8rem 2.5rem;
            font-weight: 800;
            box-shadow: 6px 6px 0 var(--text);
            transition: 0.2s;
            text-decoration: none;
            display: inline-block;
        }
        .btn-hard:hover {
            background: var(--accent);
            color: white;
            box-shadow: 8px 8px 0 var(--text);
            transform: translate(-2px, -2px);
        }
        .btn-flow {
            background: linear-gradient(120deg, #fff 0%, #ffe9d0 50%, #fff 100%);
            background-size: 200% 100%;
            animation: flow 3s infinite linear;
        }
        @keyframes flow {
            0% { background-position: 100% 0; }
            100% { background-position: -100% 0; }
        }

        footer {
            background: #1c1917;
            color: #fff;
            padding: 3rem 0 2rem;
            border-top: 6px solid var(--main);
        }
        footer a {
            color: #fdba74;
            text-decoration: none;
            font-weight: 600;
        }
        footer a:hover { color: white; }
        .footer-links {
            border-top: 1px solid #444;
            padding-top: 2rem;
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .friend-links {
            background: #f5ede4;
            border-top: var(--border);
            padding: 2.5rem 0;
            border-bottom: var(--border);
        }
        .friend-links h5 {
            font-weight: 900;
            display: inline-block;
            border-bottom: 4px solid var(--main);
            margin-bottom: 1.5rem;
        }

        /* 滚动显现 */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        .reveal.show {
            opacity: 1;
            transform: translateY(0);
        }
        .btn-gloss {
            position: relative;
            overflow: hidden;
        }
        .btn-gloss::after {
            content: '';
            position: absolute;
            top: 0; left: -80%;
            width: 50%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255,255,255,0.4), transparent);
            transform: skewX(-25deg);
            transition: 0.5s;
        }
        .btn-gloss:hover::after {
            left: 130%;
        }

/* --- 子页面追加 --- */
/* 确保 Bootstrap 组件不破坏深色/硬朗风格，但此页尽量少用组件类，只用栅格 */
        .navbar-hard {
            border-bottom: var(--border);
            background: var(--bg);
        }
.hard-card--about {
            background: var(--bg);
            border: var(--border);
            box-shadow: var(--shadow);
            padding: 1.5rem 1.8rem;
            transition: transform .2s;
        }
.hard-card--about:hover {
            transform: translate(-3px, -3px);
            box-shadow: 12px 12px 0 #1c1917;
        }
.about-stat-number {
            font-weight: 900;
            font-size: 2.4rem;
            color: var(--main);
            line-height: 1.2;
        }
.about-quote {
            border-left: 8px solid var(--main);
            background: rgba(234, 88, 12, 0.04);
            padding: 1.2rem 1.6rem;
            font-weight: 500;
            font-style: italic;
        }
.about-list-icon {
            color: var(--accent);
            margin-right: 0.6rem;
            width: 1.6rem;
            text-align: center;
        }
.about-friend-badge {
            background: var(--bg);
            border: 2px solid var(--text);
            box-shadow: 4px 4px 0 var(--text);
            padding: 0.25rem 0.9rem;
            display: inline-block;
            font-weight: 600;
            font-size: 0.9rem;
            margin: 0.25rem;
        }
.about-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--text);
            background: #fff;
        }
/* 保证导航内高亮当前页 */
        .navbar-hard .nav-link.active {
            background: var(--main);
            color: #fff;
            border-radius: 4px;
        }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .disclaimer-section { padding: 60px 0; }
.disclaimer-box { 
            background: #fffbf5; 
            border: 3px solid #1c1917; 
            border-radius: 12px; 
            padding: 30px; 
            margin-bottom: 24px;
            box-shadow: 6px 6px 0 rgba(28, 25, 23, 0.08);
        }
.disclaimer-box h2 { 
            color: #ea580c; 
            font-weight: 800; 
            font-size: 1.5rem; 
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-box h2 i { font-size: 1.3rem; }
.disclaimer-box p, .disclaimer-box li { 
            color: #1c1917; 
            line-height: 1.8; 
            font-size: 0.95rem;
        }
.disclaimer-box ul { padding-left: 20px; margin-bottom: 10px; }
.disclaimer-box li { margin-bottom: 8px; }
.highlight-tag { 
            background: #ea580c; 
            color: #fff; 
            padding: 2px 10px; 
            border-radius: 20px; 
            font-size: 0.75rem; 
            font-weight: 700;
            display: inline-block;
            margin-left: 8px;
        }
.update-date { 
            text-align: center; 
            color: #78716c; 
            font-size: 0.85rem; 
            margin-top: 30px;
            font-style: italic;
        }
.page-hero-disclaimer {
            background: linear-gradient(135deg, #fffbf5 0%, #ffedd5 100%);
            padding: 70px 0 40px;
            border-bottom: 3px solid #1c1917;
            text-align: center;
        }
.page-hero-disclaimer h1 {
            font-size: 2.5rem;
            font-weight: 900;
            color: #1c1917;
            margin-bottom: 10px;
        }
.page-hero-disclaimer p {
            font-size: 1.1rem;
            color: #57534e;
            max-width: 700px;
            margin: 0 auto;
        }
.disclaimer-box { padding: 20px; }
.page-hero-disclaimer h1 { font-size: 2rem; }

/* --- 子页面追加 --- */
/* 排行榜专属样式 */
        .rank-hero { padding: 80px 0 40px; position: relative; }
.rank-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.rank-tab-btn { padding: 10px 22px; background: var(--bg); border: var(--border); box-shadow: 4px 4px 0 var(--text); font-weight: 600; cursor: pointer; transition: all .2s; font-size: .95rem; color: var(--text); }
.rank-tab-btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--text); }
.rank-tab-btn.active { background: var(--main); color: #fff; }
.rank-list { display: flex; flex-direction: column; gap: 20px; }
.rank-item { display: flex; align-items: center; gap: 20px; padding: 18px 22px; background: var(--bg); border: var(--border); box-shadow: var(--shadow); transition: all .25s; }
.rank-item:hover { transform: translate(-3px, -3px); box-shadow: 12px 12px 0 var(--text); }
.rank-num { font-size: 2.4rem; font-weight: 900; min-width: 60px; text-align: center; color: var(--main); font-style: italic; line-height: 1; }
.rank-item:nth-child(1) .rank-num { color: #f59e0b; }
.rank-item:nth-child(2) .rank-num { color: #94a3b8; }
.rank-item:nth-child(3) .rank-num { color: #b45309; }
.rank-info { flex: 1; }
.rank-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.rank-desc { font-size: .9rem; opacity: .8; }
.rank-score { font-weight: 800; font-size: 1.1rem; color: var(--main); white-space: nowrap; }
.rank-badge { display: inline-block; padding: 3px 12px; background: var(--main); color: #fff; font-size: .75rem; font-weight: 700; border-radius: 20px; margin-left: 10px; letter-spacing: .5px; }
.rank-badge.gold { background: #f59e0b; }
.rank-badge.silver { background: #94a3b8; }
.rank-badge.bronze { background: #b45309; }
.rank-section { margin-bottom: 60px; }
.rank-section:last-child { margin-bottom: 0; }
.section-hard h2 { display: inline-block; }
.rank-item { flex-direction: column; align-items: flex-start; gap: 10px; padding: 16px; }
.rank-num { font-size: 1.8rem; min-width: auto; }
.rank-score { align-self: flex-end; margin-top: -30px; }
.rank-badge { margin-left: 0; margin-top: 5px; }