:root {
    --main: #ea580c;
    --accent: #d97706;
    --bg: #fffbf5;
    --text: #1c1917;
    --border-w: 3px;
    --shadow: 8px 8px 0px rgba(28, 25, 23, 0.9);
  }
  * { border-radius: 0 !important; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', sans-serif;
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.5;
    font-size: 0.95rem;
  }
  h1,h2,h3,h4,.font-serif {
    font-family: '思源宋体', 'Source Han Serif SC', 'Noto Serif SC', serif;
    font-weight: 700;
  }
  /* 全直角 + 粗边框 */
  .brutal-border { border: var(--border-w) solid var(--text); }
  .shadow-hard { box-shadow: var(--shadow); }
  .bg-main { background: var(--main); }
  .bg-accent { background: var(--accent); }
  .text-main { color: var(--main); }
  .text-accent { color: var(--accent); }
  .btn {
    border: var(--border-w) solid var(--text);
    box-shadow: 4px 4px 0 var(--text);
    transition: all 0.1s ease;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  .btn::after {
    content: '';
    position: absolute;
    top: 0; left: -80%;
    width: 50%; height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255,255,255,0.5), transparent);
    transform: skewX(-20deg);
    transition: left 0.5s;
    z-index: 0;
  }
  .btn:hover::after { left: 120%; }
  .btn:hover { background: var(--accent); color: #fff; box-shadow: 6px 6px 0 var(--text); transform: translate(-2px,-2px); }
  /* 导航栏吸顶 */
  .navbar-stick {
    transition: background 0.3s, box-shadow 0.2s;
    border-bottom: var(--border-w) solid var(--text);
  }
  .navbar-scrolled {
    background: rgba(255, 251, 245, 0.85) !important;
    backdrop-filter: blur(8px);
    box-shadow: 0 6px 0 rgba(28, 25, 23, 0.5);
  }
  /* hero渐变文字+浮动 */
  .hero-gradient-text {
    background: linear-gradient(135deg, var(--main), var(--accent), #b45309);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
  }
  .float-deco {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.2;
    animation: floatY 4s infinite alternate ease-in-out;
  }
  @keyframes floatY {
    0% { transform: translateY(-10px); }
    100% { transform: translateY(15px); }
  }
  /* 数字滚动 */
  .counter-number { display: inline-block; font-weight: 800; font-size: 2.2rem; line-height: 1; }
  /* 标签页切换 */
  .tab-pane { border: 2px solid var(--text); padding: 1rem; background: #fff; }
  .nav-tabs .nav-link {
    border: 2px solid var(--text);
    border-bottom: none;
    margin-right: 4px;
    background: #fff;
    color: var(--text);
    font-weight: 600;
  }
  .nav-tabs .nav-link.active {
    background: var(--main);
    color: #fff;
    box-shadow: 3px 3px 0 var(--text);
  }
  /* 时间线 */
  .timeline-item {
    position: relative;
    padding-left: 2rem;
    border-left: 3px solid var(--main);
    margin-bottom: 1.2rem;
  }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: -0.45rem; top: 0.4rem;
    width: 12px; height: 12px;
    background: var(--accent);
    border: 2px solid var(--text);
  }
  .card-grid .card {
    border: var(--border-w) solid var(--text);
    background: #fff;
    box-shadow: 5px 5px 0 rgba(28,25,23,0.8);
    transition: transform .1s, box-shadow .1s;
  }
  .card-grid .card:hover { transform: translate(-4px,-4px); box-shadow: 10px 10px 0 var(--text); }
  .section-title {
    display: inline-block;
    border-bottom: 5px solid var(--main);
    padding-bottom: 0.3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
  }
  footer a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
  .friend-links a { margin: 0 8px; color: var(--main); font-weight: 500; }
  /* 紧凑排版 */
  .dense p, .dense li { font-size: 0.9rem; }

/* --- 子页面追加 --- */
.about-hero {
            background: var(--bg);
            padding: 80px 0 40px;
            position: relative;
            overflow: hidden;
        }
.about-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 1rem;
        }
.about-hero .lead {
            font-size: 1.15rem;
            color: var(--text);
            opacity: 0.85;
            max-width: 680px;
        }
.about-section {
            padding: 60px 0;
            background: var(--bg);
        }
.about-section-alt {
            background: #fef0e4;
            border-top: var(--border-w) solid var(--text);
            border-bottom: var(--border-w) solid var(--text);
        }
.about-card {
            background: var(--bg);
            border: var(--border-w) solid var(--text);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            border-radius: 0;
            height: 100%;
            transition: transform 0.15s ease, box-shadow 0.15s ease;
        }
.about-card:hover {
            transform: translate(2px, 2px);
            box-shadow: 4px 4px 0px rgba(28, 25, 23, 0.9);
        }
.about-card i {
            font-size: 2rem;
            color: var(--main);
            margin-bottom: 16px;
        }
.about-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
.about-card p {
            color: var(--text);
            opacity: 0.8;
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 0;
        }
.about-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.about-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 14px;
            color: var(--text);
            opacity: 0.85;
            font-size: 1rem;
            line-height: 1.6;
        }
.about-list li::before {
            content: "\f0da";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--main);
            font-size: 1.1rem;
        }
.about-timeline {
            position: relative;
            padding-left: 32px;
        }
.about-timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--text);
        }
.timeline-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
.timeline-item .time {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 8px;
            display: block;
        }
.timeline-item p {
            color: var(--text);
            opacity: 0.8;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.about-quote {
            background: var(--text);
            color: var(--bg);
            padding: 32px 28px;
            border: var(--border-w) solid var(--text);
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
.about-quote blockquote {
            margin: 0;
            font-size: 1.2rem;
            font-weight: 600;
            font-style: italic;
            line-height: 1.6;
        }
.about-quote footer {
            margin-top: 12px;
            font-size: 0.9rem;
            opacity: 0.7;
        }
.about-hero h1 {
                font-size: 2rem;
            }
.about-hero {
                padding: 50px 0 30px;
            }
.about-section {
                padding: 40px 0;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 —— 免责声明页 */
        .disclaimer-hero {
            padding: 80px 0 40px;
            background: var(--bg);
            position: relative;
        }
.disclaimer-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
.disclaimer-hero .lead {
            font-size: 1.1rem;
            color: rgba(28,25,23,.7);
            max-width: 720px;
            line-height: 1.7;
        }
.disclaimer-section {
            padding: 40px 0;
            border-bottom: 1px solid rgba(28,25,23,.08);
        }
.disclaimer-section:last-child {
            border-bottom: none;
        }
.disclaimer-section h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-section h2 i {
            color: var(--main);
            font-size: 1.3rem;
        }
.disclaimer-section p {
            color: rgba(28,25,23,.75);
            line-height: 1.8;
            font-size: .98rem;
            margin-bottom: 14px;
        }
.disclaimer-section ul {
            padding-left: 1.2rem;
            margin-bottom: 14px;
        }
.disclaimer-section li {
            color: rgba(28,25,23,.75);
            line-height: 1.8;
            font-size: .95rem;
            margin-bottom: 6px;
        }
.disclaimer-card {
            background: rgba(234,88,12,.04);
            border-left: 4px solid var(--main);
            padding: 18px 22px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
.disclaimer-card p {
            margin-bottom: 0;
            font-size: .92rem;
        }
.last-updated {
            font-size: .85rem;
            color: rgba(28,25,23,.45);
            margin-top: 6px;
        }
.disclaimer-hero h1 { font-size: 2rem; }
.disclaimer-section h2 { font-size: 1.25rem; }

/* --- 子页面追加 --- */
/* 页面专属微调：排行榜卡片配色覆盖，避免Bootstrap默认白底 */
        .rank-card, .rank-card-body, .rank-card-header, .rank-card-footer {
            background: var(--bg);
            color: var(--text);
            border: var(--border-w) solid var(--text);
            border-radius: 0;
            box-shadow: var(--shadow);
        }
.rank-card-header {
            background: var(--main);
            color: #fff;
            border-bottom: var(--border-w) solid var(--text);
            font-weight: 800;
            letter-spacing: .5px;
        }
.rank-list-group-item {
            background: var(--bg);
            color: var(--text);
            border: 2px solid var(--text);
            border-radius: 0 !important;
            margin-bottom: 8px;
            padding: 1rem 1.25rem;
            display: flex;
            align-items: center;
            transition: all .2s ease;
        }
.rank-list-group-item:hover {
            background: rgba(234, 88, 12, 0.08);
            transform: translateX(4px);
            box-shadow: 4px 4px 0 rgba(28, 25, 23, 0.8);
        }
.rank-badge {
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--text);
            border-radius: 50%;
            margin-right: 15px;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
.rank-badge.top1 {
            background: #eab308;
            border-color: var(--text);
        }
.rank-badge.top2 {
            background: #a8a29e;
            border-color: var(--text);
        }
.rank-badge.top3 {
            background: #d97706;
            border-color: var(--text);
        }
.rank-meta {
            font-size: .9rem;
            color: rgba(28, 25, 23, 0.7);
            font-weight: 500;
        }
.rank-score {
            margin-left: auto;
            font-weight: 800;
            color: var(--main);
            font-size: 1.2rem;
            letter-spacing: 1px;
        }
.rank-tab-pill {
            background: var(--bg);
            border: var(--border-w) solid var(--text);
            color: var(--text);
            font-weight: 700;
            padding: .4rem 1.2rem;
            margin-right: .5rem;
            cursor: pointer;
            transition: all .15s;
            box-shadow: 4px 4px 0 rgba(28,25,23,0.8);
        }
.rank-tab-pill.active, .rank-tab-pill:hover {
            background: var(--main);
            color: #fff;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.card-body { background:transparent !important; color:#1c1917 !important; }
.card-header { background:rgba(0,0,0,.03) !important; color:#1c1917 !important; border-color:rgba(0,0,0,.12) !important; }
.table { color:#1c1917 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#1c1917 !important; }
.accordion-item { background:rgba(0,0,0,.03) !important; color:#1c1917 !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#1c1917 !important; }
.accordion-body { background:transparent !important; color:#1c1917 !important; }
.accordion-header { background:transparent !important; }