:root {
      --primary: #10b981;
      --accent: #fbbf24;
      --bg: #0a1410;
      --text: #ecfdf5;
      --surface: #11251c;
      --surface-hover: #1c3a2c;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --shadow: 0 20px 40px -10px rgba(0,0,0,0.6);
      --font-head: 'Inter', sans-serif;
      --font-body: 'Inter', sans-serif;
    }

    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      line-height: 1.7;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, .brand-font {
      font-family: var(--font-head);
      font-weight: 700;
      letter-spacing: 0.01em;
    }

    /* 导航栏 */
    .navbar {
      background-color: rgba(10, 20, 16, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(16, 185, 129, 0.2);
      transition: background 0.3s ease;
      padding: 0.8rem 1.5rem;
      z-index: 1050;
    }
    .navbar.scrolled {
      background-color: rgba(6, 12, 9, 0.95);
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    .navbar-brand {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary) !important;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
    }
    .navbar-brand i {
      margin-right: 8px;
      color: var(--accent);
    }
    .nav-link {
      color: var(--text) !important;
      font-weight: 500;
      margin: 0 0.4rem;
      border-radius: 30px;
      padding: 0.4rem 1rem !important;
      transition: all 0.2s;
    }
    .nav-link:hover {
      background: rgba(16, 185, 129, 0.15);
      color: var(--primary) !important;
    }
    .navbar-toggler {
      border: 1px solid rgba(255,255,255,0.3);
    }

    /* 英雄区 */
    .hero-section {
      background: radial-gradient(circle at 70% 20%, rgba(16,185,129,0.2), transparent 60%),
                  linear-gradient(145deg, #0c1e17 0%, #0a1410 100%);
      padding: 5rem 0 3rem;
      position: relative;
      overflow: hidden;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      background: linear-gradient(135deg, #ecfdf5 0%, #10b981 50%, #fbbf24 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 1rem;
      line-height: 1.2;
    }
    .hero-sub {
      color: #a7d7c5;
      font-size: 1.2rem;
      max-width: 600px;
    }
    .floating-decor {
      position: absolute;
      border-radius: 50%;
      filter: blur(50px);
      opacity: 0.25;
      pointer-events: none;
    }
    .fd1 { width: 300px; height: 300px; background: var(--primary); top: -50px; right: 10%; }
    .fd2 { width: 200px; height: 200px; background: var(--accent); bottom: -30px; left: 5%; }

    /* 区块 */
    .section-block {
      padding: 3.5rem 0;
    }
    .section-title {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 1.8rem;
      border-left: 5px solid var(--primary);
      padding-left: 1rem;
      color: var(--text);
    }
    .section-title i {
      color: var(--accent);
      margin-right: 10px;
    }

    /* 卡片 */
    .poster-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s, border-color 0.3s;
      border: 1px solid rgba(255,255,255,0.05);
      height: 100%;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    }
    .poster-card:hover {
      transform: translateY(-8px) scale(1.02);
      box-shadow: 0 25px 40px -5px rgba(0,0,0,0.6), 0 0 0 1px var(--primary);
      border-color: var(--primary);
    }
    .poster-img-wrapper {
      position: relative;
      overflow: hidden;
      background: #0c1e17;
    }
    .poster-img {
      width: 100%;
      aspect-ratio: 2 / 3;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .poster-card:hover .poster-img {
      transform: scale(1.05);
    }
    .badge-hd {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(0,0,0,0.7);
      color: var(--accent);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 4px 8px;
      border-radius: 30px;
      letter-spacing: 1px;
      backdrop-filter: blur(4px);
    }
    .poster-info {
      padding: 1rem 0.9rem 1.2rem;
    }
    .poster-title {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .poster-meta {
      color: #8aa79c;
      font-size: 0.85rem;
      display: flex;
      justify-content: space-between;
    }

    /* 分类入口 */
    .category-pill {
      background: rgba(16,185,129,0.1);
      border: 1px solid rgba(16,185,129,0.2);
      color: var(--text);
      border-radius: 40px;
      padding: 0.6rem 1.5rem;
      font-weight: 600;
      transition: all 0.2s;
      margin: 0.25rem;
    }
    .category-pill i {
      margin-right: 8px;
      color: var(--accent);
    }
    .category-pill:hover {
      background: rgba(16,185,129,0.2);
      border-color: var(--primary);
    }

    /* 排行榜 */
    .rank-item {
      display: flex;
      align-items: center;
      background: var(--surface);
      border-radius: var(--radius-sm);
      padding: 0.6rem 1rem;
      margin-bottom: 0.6rem;
      border: 1px solid transparent;
      transition: 0.2s;
    }
    .rank-item:hover {
      border-color: var(--primary);
      background: var(--surface-hover);
    }
    .rank-num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent);
      width: 40px;
      text-align: center;
    }
    .rank-info {
      flex: 1;
      padding: 0 0.8rem;
    }

    /* 心情标签 */
    .mood-tag {
      background: rgba(251, 191, 36, 0.1);
      border-radius: 30px;
      padding: 0.5rem 1.2rem;
      color: var(--accent);
      font-weight: 600;
      cursor: pointer;
      display: inline-block;
      transition: 0.2s;
      border: 1px solid transparent;
      margin: 0.2rem;
    }
    .mood-tag:hover, .mood-tag.active {
      background: rgba(251, 191, 36, 0.2);
      border-color: var(--accent);
    }

    /* 侧滑详情 */
    .detail-sidebar {
      position: fixed;
      top: 0;
      right: -420px;
      width: 380px;
      max-width: 90vw;
      height: 100vh;
      background: #11251c;
      z-index: 1060;
      transition: right 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
      padding: 2rem 1.5rem;
      overflow-y: auto;
      box-shadow: -20px 0 50px rgba(0,0,0,0.6);
      border-left: 1px solid rgba(16,185,129,0.3);
    }
    .detail-sidebar.open {
      right: 0;
    }
    .detail-sidebar img {
      width: 100%;
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
    }
    .detail-close {
      position: absolute;
      top: 15px;
      right: 15px;
      font-size: 1.6rem;
      color: var(--text);
      opacity: 0.8;
      cursor: pointer;
      background: none;
      border: none;
    }
    .detail-close:hover { opacity: 1; color: var(--accent); }
    .overlay {
      position: fixed;
      top: 0; left: 0; width: 100vw; height: 100vh;
      background: rgba(0,0,0,0.7);
      z-index: 1055;
      display: none;
      backdrop-filter: blur(3px);
    }
    .overlay.show { display: block; }

    /* 友链 */
    .friend-links {
      background: #0d1c16;
      border-top: 1px solid rgba(16,185,129,0.1);
      padding: 2.5rem 0 1.5rem;
    }
    .footer {
      background: #0a1410;
      padding: 1.8rem 0;
      border-top: 1px solid rgba(255,255,255,0.05);
    }

    /* 回到顶部 */
    #backTop {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: white;
      border: none;
      font-size: 1.2rem;
      z-index: 1000;
      box-shadow: 0 8px 20px rgba(16,185,129,0.4);
      display: none;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }
    #backTop.show { display: flex; }

    .btn-watch {
      background: var(--primary);
      border-radius: 40px;
      color: #fff;
      font-weight: 600;
    }

    /* 步骤条 */
    .steps-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      justify-content: center;
    }
    .step-item {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 1.5rem 1rem;
      flex: 1 1 200px;
      text-align: center;
      border: 1px solid rgba(255,255,255,0.05);
    }
    .step-icon {
      font-size: 2.2rem;
      color: var(--primary);
    }

/* --- 子页面追加 --- */
/* 本页专属少量样式 */
        .about-hero {
            background: linear-gradient(135deg, rgba(16,185,129,0.15) 0%, rgba(251,191,36,0.08) 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
.about-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }
.about-hero p {
            color: rgba(236,253,245,0.85);
            font-size: 1.1rem;
            max-width: 720px;
            position: relative;
            z-index: 2;
        }
.about-hero .hero-accent {
            color: var(--accent);
            font-weight: 600;
        }
.section-block h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid rgba(16,185,129,0.3);
            display: inline-block;
        }
.section-block p, .section-block li {
            color: rgba(236,253,245,0.85);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.section-block ul {
            padding-left: 1.25rem;
        }
.section-block li {
            margin-bottom: 0.5rem;
        }
.stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }
.stat-item {
            background: rgba(16,185,129,0.1);
            border: 1px solid rgba(16,185,129,0.2);
            border-radius: var(--radius-md);
            padding: 1.25rem 1rem;
            text-align: center;
            transition: all 0.3s ease;
        }
.stat-item:hover {
            background: rgba(16,185,129,0.18);
            transform: translateY(-3px);
        }
.stat-num {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
.stat-label {
            font-size: 0.85rem;
            color: rgba(236,253,245,0.7);
            margin-top: 0.25rem;
        }
.feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
.feature-item {
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid rgba(255,255,255,0.05);
            transition: all 0.3s ease;
        }
.feature-item:hover {
            background: var(--surface-hover);
            border-color: rgba(16,185,129,0.3);
        }
.feature-item i {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
.feature-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
.feature-item p {
            font-size: 0.88rem;
            color: rgba(236,253,245,0.75);
            margin: 0;
        }
.timeline {
            position: relative;
            padding-left: 2rem;
            margin-top: 1.5rem;
        }
.timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), rgba(16,185,129,0.2));
        }
.timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(16,185,129,0.2);
        }
.timeline-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.4rem;
        }
.timeline-item p {
            font-size: 0.9rem;
            color: rgba(236,253,245,0.75);
            margin: 0;
        }
.about-hero {
                padding: 2rem 1.25rem;
            }

/* --- 子页面追加 --- */
/* 确保 Bootstrap 组件不出现白底黑字 —— 这里统一覆盖 */
    .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(--surface);
      color: var(--text);
      border-color: #1f3a2e;
    }
.form-control::placeholder {
      color: rgba(236, 253, 245, 0.45);
    }
/* 自定义组件样式 —— 不用 Bootstrap 组件类，只用栅格 */
    .guide-block {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 2rem 1.5rem;
      box-shadow: var(--shadow);
      margin-bottom: 2rem;
      border: 1px solid rgba(16, 185, 129, 0.15);
    }
.guide-block h2 {
      font-family: var(--font-head);
      font-weight: 700;
      color: var(--primary);
      border-left: 4px solid var(--accent);
      padding-left: 1rem;
      margin-bottom: 1.5rem;
      font-size: 1.75rem;
    }
.guide-block h3 {
      font-family: var(--font-head);
      font-weight: 600;
      color: var(--text);
      margin-top: 1.5rem;
      margin-bottom: 0.75rem;
      font-size: 1.35rem;
    }
.guide-block p, .guide-block li {
      color: rgba(236, 253, 245, 0.85);
      line-height: 1.7;
    }
.guide-block ul, .guide-block ol {
      padding-left: 1.5rem;
      margin-bottom: 1rem;
    }
.guide-block li {
      margin-bottom: 0.4rem;
    }
.guide-block .tip {
      background: rgba(16, 185, 129, 0.08);
      border-radius: var(--radius-sm);
      padding: 1rem 1.25rem;
      border-left: 3px solid var(--primary);
      margin: 1.25rem 0;
    }
.guide-block .accent-text {
      color: var(--accent);
      font-weight: 600;
    }
.badge-custom {
      background: var(--primary);
      color: #0a1410;
      font-weight: 700;
      padding: 0.3rem 0.8rem;
      border-radius: 30px;
      font-size: 0.8rem;
      letter-spacing: 0.5px;
    }
hr {
      border-color: rgba(16, 185, 129, 0.2);
      opacity: 0.6;
      margin: 2rem 0;
    }
/* 导航高亮当前页 */
    .nav-link.active {
      color: var(--primary) !important;
      font-weight: 600;
    }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }