:root {
    --main-color: #38bdf8;
    --accent-color: #a78bfa;
    --bg-color: #0f172a;
    --text-color: #e2e8f0;
    --border-color: rgba(148, 163, 184, 0.2);
    --card-bg: rgba(30, 41, 59, 0.6);
    --shadow-color: rgba(0, 0, 0, 0.35);
    --serif-font: 'Noto Serif SC', serif;
    --sans-font: 'Noto Sans SC', sans-serif;
  }
  
  * { box-sizing: border-box; }
  
  body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--sans-font);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-image: 
      linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
  }
  
  h1, h2, h3, h4, h5 {
    font-family: var(--serif-font);
    color: #f8fafc;
    letter-spacing: 0.02em;
  }
  
  a { color: var(--main-color); text-decoration: none; transition: color 0.2s ease; }
  a:hover { color: var(--accent-color); }
  
  .navbar {
    background-color: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.6rem 1rem;
    z-index: 1000;
  }
  
  .navbar-brand {
    font-family: var(--serif-font);
    font-weight: 900;
    font-size: 1.6rem;
    color: var(--main-color) !important;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .navbar-brand i {
    color: var(--accent-color);
    font-size: 1.8rem;
  }
  
  .nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    margin: 0 6px;
    padding: 8px 12px !important;
    border-radius: 8px;
    font-size: 0.95rem;
  }
  
  .nav-link:hover {
    color: var(--main-color) !important;
    background: rgba(56, 189, 248, 0.08);
  }
  
  .navbar-toggler {
    border-color: var(--border-color);
    color: var(--text-color);
  }
  
  .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='%23e2e8f0' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }
  
  .hero-section {
    padding: 80px 0 70px;
    text-align: center;
    background: radial-gradient(ellipse at 30% 20%, rgba(56, 189, 248, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 80%, rgba(167, 139, 250, 0.08) 0%, transparent 55%);
    border-bottom: 1px solid var(--border-color);
  }
  
  .hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--main-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero-subtitle {
    font-size: 1.15rem;
    color: #94a3b8;
    max-width: 650px;
    margin: 0 auto 32px;
    font-weight: 300;
    line-height: 1.8;
  }
  
  .hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .btn-main {
    background: var(--main-color);
    color: #0f172a;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.2);
  }
  
  .btn-main:hover {
    background: #7dd3fc;
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.3);
  }
  
  .btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.25s ease;
  }
  
  .btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
  }
  
  .section-container {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  .section-title {
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
  }
  
  .section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--main-color), var(--accent-color));
    border-radius: 2px;
  }
  
  .section-subtitle {
    color: #94a3b8;
    margin-bottom: 30px;
    font-size: 0.95rem;
  }
  
  .long-intro {
    background: rgba(30, 41, 59, 0.3);
    border-radius: 8px;
    padding: 28px;
    border-left: 4px solid var(--main-color);
    margin-bottom: 20px;
  }
  
  .long-intro p {
    margin-bottom: 16px;
    color: #cbd5e1;
  }
  
  .timeline-wrapper {
    position: relative;
    padding-left: 40px;
    margin: 30px 0;
  }
  
  .timeline-wrapper::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--main-color), var(--accent-color));
    opacity: 0.5;
    border-radius: 2px;
  }
  
  .timeline-item {
    position: relative;
    margin-bottom: 28px;
    padding: 16px 20px;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(4px);
  }
  
  .timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 22px;
    width: 14px;
    height: 14px;
    background: var(--main-color);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
  }
  
  .timeline-item h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--main-color);
  }
  
  .timeline-item p {
    color: #cbd5e1;
    font-size: 0.92rem;
    margin: 0;
  }
  
  .comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.92rem;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
  }
  
  .comparison-table th {
    background: rgba(56, 189, 248, 0.1);
    color: var(--main-color);
    font-weight: 600;
    font-family: var(--serif-font);
  }
  
  .comparison-table td {
    color: #cbd5e1;
  }
  
  .comparison-table tr:last-child td {
    border-bottom: none;
  }
  
  .comparison-table .highlight {
    color: var(--main-color);
    font-weight: 600;
  }
  
  .comparison-table .fa-check-circle {
    color: var(--main-color);
    margin-right: 4px;
  }
  
  .comparison-table .fa-times-circle {
    color: #f87171;
    margin-right: 4px;
  }
  
  .faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--card-bg);
  }
  
  .faq-question {
    padding: 14px 18px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #f8fafc;
    transition: background 0.2s;
  }
  
  .faq-question:hover {
    background: rgba(56, 189, 248, 0.05);
  }
  
  .faq-question i {
    transition: transform 0.3s ease;
    color: var(--main-color);
  }
  
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 18px;
    color: #cbd5e1;
    font-size: 0.92rem;
    line-height: 1.8;
    border-top: 0 solid transparent;
  }
  
  .faq-item.active .faq-question i {
    transform: rotate(180deg);
  }
  
  .faq-item.active .faq-answer {
    max-height: 300px;
    padding: 14px 18px;
    border-top: 1px solid var(--border-color);
  }
  
  .feature-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.25s ease;
    height: 100%;
  }
  
  .feature-card:hover {
    border-color: var(--main-color);
    box-shadow: 0 8px 25px var(--shadow-color);
    transform: translateY(-4px);
  }
  
  .feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 12px;
    background: rgba(56, 189, 248, 0.1);
    color: var(--main-color);
  }
  
  .feature-card h5 {
    font-size: 1rem;
    margin-bottom: 6px;
  }
  
  .feature-card p {
    font-size: 0.85rem;
    color: #94a3b8;
    margin: 0;
  }
  
  .cta-section {
    padding: 60px 0;
    text-align: center;
  }
  
  .cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
  }
  
  .cta-subtitle {
    color: #94a3b8;
    margin-bottom: 30px;
  }
  
  .friend-links {
    background: rgba(30, 41, 59, 0.4);
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
  }
  
  .friend-links h6 {
    color: var(--main-color);
    font-family: var(--serif-font);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 0.95rem;
  }
  
  .friend-links span {
    color: #94a3b8;
    font-size: 0.88rem;
    line-height: 2;
  }
  
  .footer {
    padding: 30px 0;
    background: rgba(15, 23, 42, 0.9);
    border-top: 1px solid var(--border-color);
    text-align: center;
  }
  
  .footer a {
    margin: 0 12px;
    font-size: 0.9rem;
    color: #94a3b8;
  }
  
  .footer a:hover {
    color: var(--main-color);
  }
  
  .footer p {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 0.85rem;
  }
  
  .back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--main-color);
    color: #0f172a;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
    z-index: 999;
  }
  
  .back-to-top.show {
    opacity: 1;
    visibility: visible;
  }
  
  .back-to-top:hover {
    background: #7dd3fc;
    transform: translateY(-3px);
  }
  
  .card-placeholder {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.05) 0%, rgba(167, 139, 250, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    aspect-ratio: 3/4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    overflow: hidden;
    position: relative;
  }
  
  .card-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  
  .card-placeholder:hover img {
    transform: scale(1.08);
  }
  
  .lazy-load {
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  
  .lazy-load.loaded {
    opacity: 1;
  }
  
  .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 12px 12px;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
    color: #f8fafc;
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .card-placeholder:hover .image-overlay {
    opacity: 1;
  }
  
  .img-section {
    padding: 40px 0;
  }
  
  .img-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 24px;
  }
  
  @media (max-width: 768px) {
    .hero-title {
      font-size: 2rem;
    }
    .hero-subtitle {
      font-size: 1rem;
    }
    .section-title {
      font-size: 1.4rem;
    }
    .timeline-wrapper {
      padding-left: 30px;
    }
    .timeline-item::before {
      left: -25px;
      width: 12px;
      height: 12px;
    }
  }

/* --- 子页面追加 --- */
/* 确保任何Bootstrap组件类（若误用）不会白底黑字，但本页主要用自定义类，以下为安全兜底 */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
    .form-control, .form-select, .form-label, .input-group-text,
    .table, .list-group-item, .accordion-item, .accordion-button, .accordion-body,
    .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item,
    .nav-link, .navbar, .navbar-brand, .btn-light, .btn-outline-* {
      background: var(--card-bg, rgba(30, 41, 59, 0.6));
      color: var(--text-color, #e2e8f0);
      border-color: var(--border-color, rgba(148, 163, 184, 0.2));
    }
.form-control::placeholder { color: rgba(255,255,255,.45); }
/* 确保导航高亮当前页 */
    .navbar .nav-link.active {
      color: var(--main-color) !important;
      font-weight: 600;
      border-bottom: 2px solid var(--main-color);
    }
/* 关于页特有微调：时间线、团队卡片等 */
    .about-timeline { position: relative; padding-left: 1.5rem; border-left: 2px solid var(--main-color); }
.about-timeline-item { margin-bottom: 2rem; position: relative; }
.about-timeline-item::before { content:''; position: absolute; left: -1.8rem; top: 0.3rem; width: 14px; height: 14px; border-radius: 50%; background: var(--accent-color); border: 2px solid var(--bg-color); }
.stat-number { font-size: 2.2rem; font-weight: 700; color: var(--main-color); line-height: 1.2; }

/* --- 子页面追加 --- */
.disclaimer-hero {
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.08) 0%, rgba(167, 139, 250, 0.08) 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 5rem 0 3rem;
            text-align: center;
        }
.disclaimer-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-color);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
.disclaimer-hero p {
            color: rgba(226, 232, 240, 0.7);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
        }
.disclaimer-content {
            padding: 3.5rem 0 5rem;
        }
.disclaimer-section {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2rem 2.25rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(10px);
            transition: transform 0.2s ease, border-color 0.2s ease;
        }
.disclaimer-section:hover {
            border-color: rgba(56, 189, 248, 0.35);
            transform: translateY(-2px);
        }
.disclaimer-section h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--main-color);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.65rem;
            letter-spacing: -0.01em;
        }
.disclaimer-section h2 i {
            font-size: 1.1rem;
            color: var(--accent-color);
        }
.disclaimer-section p {
            color: rgba(226, 232, 240, 0.85);
            line-height: 1.75;
            margin-bottom: 0.85rem;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 1.25rem;
            margin-bottom: 0.85rem;
        }
.disclaimer-section ul li {
            color: rgba(226, 232, 240, 0.8);
            line-height: 1.7;
            margin-bottom: 0.4rem;
            font-size: 0.95rem;
        }
.disclaimer-section ul li::marker {
            color: var(--main-color);
        }
.highlight-box {
            background: rgba(56, 189, 248, 0.08);
            border-left: 3px solid var(--main-color);
            padding: 1rem 1.25rem;
            border-radius: 0 10px 10px 0;
            margin: 1.25rem 0;
        }
.highlight-box p {
            margin-bottom: 0;
            font-size: 0.93rem;
            color: rgba(226, 232, 240, 0.9);
        }
.last-updated {
            text-align: center;
            color: rgba(148, 163, 184, 0.6);
            font-size: 0.85rem;
            margin-top: 2.5rem;
            letter-spacing: 0.02em;
        }
.disclaimer-hero {
                padding: 3.5rem 0 2.5rem;
            }
.disclaimer-hero h1 {
                font-size: 1.8rem;
            }
.disclaimer-content {
                padding: 2.5rem 0 3.5rem;
            }
.disclaimer-section {
                padding: 1.5rem 1.25rem;
            }

/* --- 子页面追加 --- */
/* 本页专属小样式，已沿用站点配色变量 */
        .privacy-section { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 2rem; margin-bottom: 2rem; }
.privacy-section h2 { color: var(--main-color); font-family: var(--sans-font); font-weight: 700; font-size: 1.6rem; margin-bottom: 1.2rem; }
.privacy-section h3 { color: var(--accent-color); font-family: var(--sans-font); font-weight: 600; font-size: 1.2rem; margin-top: 1.5rem; margin-bottom: 0.8rem; }
.privacy-section p, .privacy-section li { color: var(--text-color); font-family: var(--sans-font); line-height: 1.8; font-size: 0.95rem; }
.privacy-section ul { padding-left: 1.5rem; }
.privacy-section li { margin-bottom: 0.5rem; }
.privacy-section strong { color: var(--main-color); }
.privacy-header { background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(167, 139, 250, 0.15)); border: 1px solid var(--border-color); border-radius: 16px; padding: 3rem 2rem; margin-bottom: 2.5rem; }
.privacy-header h1 { color: var(--text-color); font-family: var(--sans-font); font-weight: 800; font-size: 2.2rem; margin-bottom: 0.8rem; }
.privacy-header p { color: rgba(226, 232, 240, 0.8); font-family: var(--sans-font); font-size: 1.1rem; max-width: 800px; margin: 0 auto; }
.privacy-header h1 { font-size: 1.7rem; }
.privacy-section { padding: 1.2rem; }

/* --- 子页面追加 --- */
/* 排行榜专属样式 */
        .rank-hero {
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(167, 139, 250, 0.15) 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 80px 0 60px;
        }
.rank-hero .hero-title {
            font-family: var(--serif-font);
            font-weight: 700;
            font-size: 2.8rem;
            color: var(--text-color);
            margin-bottom: 16px;
        }
.rank-hero .hero-subtitle {
            color: rgba(226, 232, 240, 0.8);
            font-size: 1.1rem;
            max-width: 720px;
            margin: 0 auto;
        }
.rank-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin: 40px 0 30px;
        }
.rank-tab {
            padding: 8px 24px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            background: var(--card-bg);
            color: var(--text-color);
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
.rank-tab:hover,
        .rank-tab.active {
            background: var(--main-color);
            border-color: var(--main-color);
            color: #0f172a;
            font-weight: 600;
        }
.rank-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 40px;
        }
.rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            transition: all 0.3s ease;
        }
.rank-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px var(--shadow-color);
            border-color: var(--main-color);
        }
.rank-number {
            font-family: var(--serif-font);
            font-size: 2rem;
            font-weight: 700;
            min-width: 56px;
            text-align: center;
            color: var(--main-color);
        }
.rank-number.top-3 {
            color: var(--accent-color);
            font-size: 2.4rem;
        }
.rank-cover {
            width: 72px;
            height: 96px;
            border-radius: 8px;
            object-fit: cover;
            border: 1px solid var(--border-color);
            background: rgba(148, 163, 184, 0.1);
        }
.rank-info {
            flex: 1;
            min-width: 0;
        }
.rank-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-color);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
.rank-meta {
            font-size: 0.85rem;
            color: rgba(226, 232, 240, 0.6);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
.rank-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
.rank-meta i {
            font-size: 0.75rem;
            color: var(--accent-color);
        }
.rank-stats {
            text-align: right;
            min-width: 100px;
        }
.rank-score {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--main-color);
            font-family: var(--serif-font);
        }
.rank-trend {
            font-size: 0.85rem;
            color: rgba(226, 232, 240, 0.6);
        }
.rank-trend.up {
            color: #34d399;
        }
.rank-trend.down {
            color: #f87171;
        }
.rank-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            border: 1px solid var(--border-color);
            color: var(--text-color);
            margin-right: 6px;
            background: rgba(56, 189, 248, 0.1);
        }
.genre-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 12px;
            margin-bottom: 40px;
        }
.genre-card {
            padding: 20px 16px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s ease;
        }
.genre-card:hover {
            border-color: var(--main-color);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px var(--shadow-color);
        }
.genre-icon {
            font-size: 1.8rem;
            margin-bottom: 8px;
            color: var(--main-color);
        }
.genre-name {
            font-size: 0.95rem;
            color: var(--text-color);
            font-weight: 500;
        }
.genre-count {
            font-size: 0.8rem;
            color: rgba(226, 232, 240, 0.5);
            margin-top: 4px;
        }
.rank-hero {
                padding: 60px 0 40px;
            }
.rank-hero .hero-title {
                font-size: 2rem;
            }
.rank-item {
                flex-wrap: wrap;
                gap: 12px;
            }
.rank-number {
                font-size: 1.5rem;
                min-width: 40px;
            }
.rank-cover {
                width: 56px;
                height: 76px;
            }
.rank-stats {
                min-width: auto;
                text-align: left;
                margin-left: auto;
            }
.rank-score {
                font-size: 1.3rem;
            }
.rank-tab {
                padding: 6px 16px;
                font-size: 0.85rem;
            }

/* --- 子页面追加 --- */
.guide-hero {
            padding: 100px 0 60px;
            text-align: center;
            background: linear-gradient(180deg, rgba(56, 189, 248, 0.05) 0%, transparent 100%);
        }
.guide-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--main-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
.guide-hero p {
            font-size: 1.1rem;
            color: var(--text-color);
            opacity: 0.8;
            max-width: 600px;
            margin: 0 auto;
        }
.guide-section {
            padding: 50px 0;
        }
.guide-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 30px;
            color: var(--main-color);
            display: flex;
            align-items: center;
            gap: 12px;
        }
.guide-section h2 i {
            font-size: 1.4rem;
        }
.guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.guide-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px var(--shadow-color);
        }
.guide-card .icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }
.guide-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-color);
        }
.guide-card p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-color);
            opacity: 0.8;
        }
.guide-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--main-color);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
.tips-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.tips-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            line-height: 1.6;
        }
.tips-list li:last-child {
            border-bottom: none;
        }
.tips-list li i {
            color: var(--main-color);
            margin-top: 4px;
        }
.shortcut-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }
.shortcut-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            text-align: center;
        }
.shortcut-item .key {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 6px;
            font-family: 'Inter', monospace;
            font-size: 0.85rem;
            color: var(--main-color);
            font-weight: 600;
            margin-bottom: 8px;
        }
.shortcut-item p {
            font-size: 0.85rem;
            color: var(--text-color);
            opacity: 0.8;
            margin: 0;
        }
.guide-hero h1 {
                font-size: 2rem;
            }
.guide-section {
                padding: 30px 0;
            }
.guide-section h2 {
                font-size: 1.4rem;
            }