:root{
    --main:#eab308;
    --accent:#f59e0b;
    --bg:#18181b;
    --text:#fafafa;
    --muted:#a1a1aa;
    --card-bg:#212124;
    --radius-lg:24px;
    --radius-md:16px;
    --shadow:0 12px 40px rgba(0,0,0,0.5);
  }
  *{box-sizing:border-box;}
  body{
    background-color:var(--bg);
    color:var(--text);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-image: radial-gradient(circle, rgba(234,179,8,0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    font-size: 15px;
    line-height: 1.5;
  }
  /* 导航栏吸顶 + 透明过渡 */
  .navbar-custom{
    position: sticky;
    top:0;
    z-index: 999;
    background: rgba(24,24,27,0.75);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(234,179,8,0.15);
    transition: background 0.35s, box-shadow 0.3s;
    padding: 10px 0;
  }
  .navbar-custom.scrolled{
    background: rgba(24,24,27,0.95);
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  }
  .navbar-brand{
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: -0.02em;
    color: var(--main) !important;
    display: flex;
    align-items: center;
  }
  .navbar-brand i{color:var(--accent); margin-right:8px; font-size: 1.6rem;}
  .navbar-nav .nav-link{
    color: #d4d4d8 !important;
    font-weight: 500;
    margin:0 6px;
    border-radius: 30px;
    padding: 8px 16px !important;
    transition: all .2s;
  }
  .navbar-nav .nav-link:hover{
    background: rgba(234,179,8,0.1);
    color: var(--main) !important;
  }
  .navbar-toggler{
    border:1px solid rgba(255,255,255,0.2);
    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(234, 179, 8, 0.9)' stroke-width='2' linecap='round' linejoin='round' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }

  /* 左侧固定侧栏 */
  .layout-wrap{
    display: flex;
    gap: 24px;
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 20px 60px;
  }
  .sidebar-left{
    width: 200px;
    flex-shrink:0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    height: calc(100vh - 120px);
    overflow-y: auto;
    border-radius: var(--radius-lg);
    background: rgba(33,33,36,0.6);
    backdrop-filter: blur(4px);
    padding: 20px 12px;
    border:1px solid rgba(234,179,8,0.12);
  }
  .sidebar-left .side-title{
    color: var(--main);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 8px 12px;
    border-bottom: 1px dashed rgba(234,179,8,0.3);
    margin-bottom: 14px;
  }
  .sidebar-left .side-link{
    display: block;
    color:#d4d4d8;
    padding: 10px 12px;
    border-radius: 14px;
    margin-bottom: 4px;
    font-size:0.95rem;
    font-weight:500;
    text-decoration: none;
    transition: 0.2s;
  }
  .sidebar-left .side-link i{width:22px; color: var(--accent);}
  .sidebar-left .side-link:hover{
    background: rgba(234,179,8,0.12);
    color: var(--main);
  }

  /* 右侧瀑布流卡片 */
  .right-content{
    flex:1;
    min-width:0;
  }
  .waterfall-grid{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
  }
  .comic-card{
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border:1px solid rgba(255,255,255,0.03);
    transition: transform 0.25s ease, box-shadow 0.3s;
    position: relative;
    aspect-ratio: 2/3;
    background-color:#1e1e21;
    opacity: 0;
    transform: translateY(15px);
    animation: fadeInUp 0.6s forwards;
  }
  .comic-card:nth-child(1){animation-delay:0.02s;}
  .comic-card:nth-child(2){animation-delay:0.08s;}
  .comic-card:nth-child(3){animation-delay:0.14s;}
  .comic-card:nth-child(4){animation-delay:0.2s;}
  .comic-card:nth-child(5){animation-delay:0.26s;}
  .comic-card:nth-child(6){animation-delay:0.32s;}
  .comic-card:nth-child(7){animation-delay:0.38s;}
  .comic-card:nth-child(8){animation-delay:0.44s;}
  @keyframes fadeInUp{
    to{opacity:1; transform:translateY(0);}
  }
  .comic-card:hover{
    transform: translateY(-6px);
    box-shadow: 0 20px 30px rgba(0,0,0,0.7);
  }
  .comic-card img{
    width:100%;
    height:100%;
    object-fit: cover;
    display:block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .comic-card:hover img{
    transform: scale(1.1);
  }
  .comic-overlay{
    position:absolute;
    inset:auto 0 0 0;
    background: linear-gradient(0deg, rgba(0,0,0,0.9) 0%, transparent 100%);
    padding: 24px 14px 12px;
    color: white;
    opacity: 0;
    transition: opacity .25s;
    font-size: 0.9rem;
  }
  .comic-card:hover .comic-overlay{
    opacity: 1;
  }
  .comic-overlay strong{
    display: block;
    font-weight: 700;
    color: #fde047;
  }
  .comic-overlay span{
    font-size: 0.78rem;
    color:#e4e4e7;
  }
  /* 懒加载渐显占位 */
  .comic-card img{
    background: linear-gradient(110deg, #26262a 8%, #2d2d31 18%, #26262a 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
  }
  @keyframes shimmer{
    0%{background-position: 200% 0;}
    100%{background-position: -200% 0;}
  }

  /* 通用区块 */
  .section-title{
    color: var(--main);
    font-weight: 800;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap:10px;
  }
  .section-title i{color: var(--accent);}
  .content-card{
    background: rgba(33,33,36,0.7);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-lg);
    padding: 28px;
    border:1px solid rgba(234,179,8,0.1);
    box-shadow: var(--shadow);
    margin-bottom: 40px;
  }
  .stats-badge{
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 20px 0;
  }
  .stat-item{
    text-align:center;
  }
  .stat-number{
    font-size: 3rem;
    font-weight: 900;
    color: var(--main);
    line-height: 1.1;
    text-shadow: 0 0 30px rgba(234,179,8,0.2);
  }
  .stat-label{
    color: #a1a1aa;
    letter-spacing: 1px;
  }
  .table-comparison{
    background:#1d1d20;
    border-radius: var(--radius-md);
    overflow:hidden;
  }
  .table-comparison table{
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    border-color: rgba(234,179,8,0.15);
  }
  .table-comparison th{
    color: var(--main);
    font-weight: 700;
  }
  .table-comparison td, .table-comparison th{
    padding: 14px 16px;
  }
  .table-comparison tr:last-child td{border-bottom: none;}
  .table-comparison .fa-check{color:#22c55e;}
  .table-comparison .fa-xmark{color:#ef4444;}

  .faq-item{
    background: #1e1e21;
    border-radius: var(--radius-md);
    padding: 18px 22px;
    margin-bottom: 12px;
    border-left: 4px solid var(--main);
  }
  .faq-item h5{font-weight: 700; color: #fde047; font-size: 1.05rem;}
  .faq-item p{color:#d4d4d8;}

  .cta-box{
    background: linear-gradient(145deg, #1f1f23, #252529);
    border-radius: calc(var(--radius-lg) * 1.2);
    padding: 48px 32px;
    text-align: center;
    border:1px solid rgba(234,179,8,0.25);
  }
  .btn-gold{
    background: var(--main);
    color:#18181b;
    font-weight: 800;
    padding: 14px 32px;
    border-radius: 60px;
    text-decoration: none;
    display: inline-block;
    border:none;
    transition: all .2s;
    box-shadow: 0 8px 30px rgba(234,179,8,0.25);
  }
  .btn-gold:hover{
    background: var(--accent);
    color:#18181b;
    transform: translateY(-2px);
  }
  .footer-links{
    background: #18181b;
    padding: 40px 0 20px;
    border-top: 1px solid rgba(234,179,8,0.1);
    margin-top: 30px;
  }
  .footer-links .friend-links{
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
  }
  .friend-links a{
    color:#a1a1aa;
    text-decoration: none;
    font-size:0.9rem;
    border-bottom:1px dotted #3f3f46;
  }
  .friend-links a:hover{color: var(--main);}
  .copyright{
    text-align:center;
    color:#71717a;
    margin-top: 25px;
    font-size:0.85rem;
  }
  @media (max-width: 992px) {
    .sidebar-left{display: none;}
    .waterfall-grid{grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));}
  }
  @media (max-width: 576px) {
    .section-title{font-size: 1.5rem;}
  }

/* --- 子页面追加 --- */
/* 确保 Bootstrap 组件不影响本站配色（若用到组件类则覆盖） */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
            background: var(--card-bg) !important;
            color: var(--text) !important;
            border-color: var(--border-color, #333) !important;
        }
.list-group-item, .accordion-item, .accordion-button, .accordion-body {
            background: var(--card-bg) !important;
            color: var(--text) !important;
        }
.form-control, .form-select {
            background: rgba(0,0,0,0.35) !important;
            color: var(--text) !important;
            border-color: var(--border-color, #333) !important;
        }
.form-control::placeholder {
            color: rgba(255,255,255,0.45) !important;
        }
/* 页面微调 */
        .about-hero {
            padding: 3rem 0 1.5rem;
        }
.stat-item:hover {
            transform: translateY(-4px);
        }
.icon-badge {
            background: rgba(234,179,8,0.15);
            color: var(--main);
            border-radius: 50%;
            width: 48px;
            height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
/* 导航高亮当前页 */
        .navbar-nav .nav-link.active {
            color: var(--main) !important;
        }

/* --- 子页面追加 --- */
.disclaimer-hero {
            background: linear-gradient(135deg, rgba(234,179,8,0.15) 0%, rgba(24,24,27,0.9) 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            margin-bottom: 2.5rem;
            border: 1px solid rgba(234,179,8,0.15);
        }
.disclaimer-section {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 2rem;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(234,179,8,0.08);
            transition: box-shadow 0.3s ease;
        }
.disclaimer-section:hover {
            box-shadow: var(--shadow);
        }
.disclaimer-section h2 {
            color: var(--main);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid rgba(234,179,8,0.2);
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--muted);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.disclaimer-section ul, .disclaimer-section ol {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.disclaimer-section li {
            margin-bottom: 0.5rem;
        }
.disclaimer-section strong {
            color: var(--text);
            font-weight: 600;
        }
.update-date {
            display: inline-block;
            background: rgba(234,179,8,0.1);
            color: var(--main);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }
.warning-box {
            background: rgba(234,179,8,0.06);
            border-left: 4px solid var(--main);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
        }
.warning-box p {
            margin-bottom: 0;
        }
.disclaimer-hero {
                padding: 2rem 1.5rem;
            }
.disclaimer-section {
                padding: 1.5rem;
            }

/* --- 子页面追加 --- */
.guide-hero { padding: 40px 0 24px; }
.guide-section { background: var(--card-bg); border-radius: var(--radius-lg); padding: 32px; margin-bottom: 28px; box-shadow: var(--shadow); }
.guide-section h2 { color: var(--main); font-weight: 800; font-size: 1.55rem; margin-bottom: 20px; border-left: 4px solid var(--accent); padding-left: 16px; }
.guide-section h3 { color: var(--text); font-weight: 600; font-size: 1.15rem; margin-top: 24px; margin-bottom: 10px; }
.guide-section p, .guide-section li { color: var(--muted); line-height: 1.8; font-size: 0.96rem; }
.guide-section strong { color: var(--text); }
.step-list { list-style: none; padding-left: 0; counter-reset: step-counter; }
.step-list li { counter-increment: step-counter; padding-left: 48px; position: relative; margin-bottom: 16px; }
.step-list li::before { content: counter(step-counter); position: absolute; left: 0; top: 2px; width: 32px; height: 32px; background: var(--main); color: #000; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.time-tag { display: inline-block; background: rgba(234, 179, 8, 0.15); color: var(--main); border: 1px solid rgba(234, 179, 8, 0.3); padding: 4px 14px; border-radius: 30px; font-size: 0.85rem; font-weight: 600; margin: 6px 6px 6px 0; }
.tip-box { background: rgba(234, 179, 8, 0.08); border: 1px dashed rgba(234, 179, 8, 0.3); border-radius: var(--radius-md); padding: 20px 24px; margin-top: 20px; }
.tip-box i { color: var(--accent); margin-right: 8px; }
.shortcut-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-top: 16px; }
.shortcut-item { background: rgba(255,255,255,0.04); border-radius: var(--radius-md); padding: 16px; text-align: center; border: 1px solid rgba(255,255,255,0.06); }
.shortcut-item i { font-size: 1.6rem; color: var(--main); margin-bottom: 8px; display: block; }
.shortcut-item span { font-size: 0.88rem; color: var(--text); font-weight: 500; }
.guide-section { padding: 24px 18px; }
.guide-hero { padding: 24px 0 12px; }

/* --- 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; }