:root {
      --brand-primary: #f97316;
      --brand-accent: #facc15;
      --brand-bg: #1a1410;
      --brand-text: #fff7ed;
      --brand-card-bg: #2a201b;
      --brand-radius: 20px;
      --brand-radius-lg: 28px;
      --brand-shadow: 0 8px 30px rgba(0,0,0,0.5);
      --brand-shadow-hover: 0 15px 40px rgba(249, 115, 22, 0.25);
    }

    body {
      background-color: var(--brand-bg);
      color: var(--brand-text);
      font-family: 'Inter', '思源黑体', system-ui, -apple-system, sans-serif;
      font-weight: 400;
      line-height: 1.7;
    }

    /* 标题字体思源宋体 */
    h1, h2, h3, h4, .font-serif {
      font-family: 'Inter', '思源宋体', 'Songti SC', 'SimSun', serif;
      font-weight: 700;
      letter-spacing: -0.01em;
    }

    /* 大圆角柔和风 */
    .card, .poster-card, .hero-section, .timeline-item, .tags-container, .info-card {
      border-radius: var(--brand-radius-lg) !important;
    }

    .poster-card {
      background-color: var(--brand-card-bg);
      border: none;
      box-shadow: var(--brand-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      cursor: pointer;
    }

    .poster-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--brand-shadow-hover);
    }

    .poster-card img {
      border-radius: var(--brand-radius) var(--brand-radius) 0 0;
      width: 100%;
      height: 280px;
      object-fit: cover;
      background: #3a2e27;
    }

    .badge-update {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(4px);
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 0.75rem;
      font-weight: 600;
      color: #ffedd5;
      letter-spacing: 0.3px;
    }

    .rating-star {
      color: var(--brand-accent);
      margin-right: 4px;
    }

    .heat-badge {
      background: linear-gradient(135deg, var(--brand-primary), #ea580c);
      border-radius: 50px;
      padding: 2px 12px;
      font-weight: 700;
      font-size: 0.75rem;
      display: inline-block;
      box-shadow: 0 2px 8px rgba(249, 115, 22, 0.5);
    }

    /* 滚动进度条 */
    #scroll-progress {
      position: fixed;
      top: 0;
      left: 0;
      width: 0%;
      height: 4px;
      background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
      z-index: 9999;
      border-radius: 0 4px 4px 0;
    }

    /* 回到顶部按钮 */
    #back-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--brand-primary);
      border: none;
      color: white;
      font-size: 1.2rem;
      box-shadow: 0 6px 20px rgba(0,0,0,0.5);
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    #back-top.show {
      opacity: 1;
      visibility: visible;
    }

    /* 按钮光泽 */
    .btn-gradient {
      background: linear-gradient(120deg, var(--brand-primary), #ea580c, var(--brand-primary));
      background-size: 200% auto;
      color: white;
      border: none;
      border-radius: 50px;
      padding: 8px 24px;
      font-weight: 600;
      transition: 0.4s;
    }

    .btn-gradient:hover {
      background-position: right center;
      box-shadow: 0 4px 20px rgba(249, 115, 22, 0.5);
      color: white;
    }

    /* 分类标签、心情标签 */
    .tag-chip {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.15);
      color: var(--brand-text);
      border-radius: 50px;
      padding: 6px 18px;
      font-weight: 500;
      transition: 0.2s;
      cursor: default;
    }

    .tag-chip:hover {
      background: rgba(249, 115, 22, 0.2);
      border-color: var(--brand-primary);
    }

    /* 时间线 */
    .timeline-item {
      background: var(--brand-card-bg);
      padding: 20px 24px;
      margin-bottom: 16px;
      border-left: 5px solid var(--brand-primary);
      box-shadow: var(--brand-shadow);
    }

    .timeline-item h5 {
      font-weight: 700;
    }

    /* 导航固定顶部 */
    .navbar-custom {
      background: rgba(26, 20, 16, 0.9);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255,255,255,0.1);
      padding: 12px 0;
    }

    .navbar-brand {
      font-weight: 800;
      font-size: 1.6rem;
      color: var(--brand-text) !important;
      letter-spacing: 1px;
    }

    .navbar-brand i {
      color: var(--brand-primary);
      margin-right: 8px;
    }

    .navbar-nav .nav-link {
      color: rgba(255, 247, 237, 0.8);
      font-weight: 500;
      padding: 0.5rem 1rem;
    }

    .navbar-nav .nav-link:hover {
      color: var(--brand-primary);
    }

    /* hero */
    .hero-section {
      background-image: linear-gradient(to bottom, rgba(26,20,16,0.7), rgba(26,20,16,0.9)), url('{随机图片}');
      background-size: cover;
      background-position: center;
      padding: 100px 0;
      text-align: center;
      border-radius: 0 0 var(--brand-radius-lg) var(--brand-radius-lg);
      margin-bottom: 40px;
    }

    .hero-section h1 {
      font-size: 3.8rem;
      font-weight: 900;
      color: white;
      text-shadow: 0 8px 20px rgba(0,0,0,0.6);
    }

    .hero-section p {
      font-size: 1.4rem;
      color: #ffedd5;
      max-width: 600px;
      margin: 20px auto;
    }

    /* 区块标题 */
    .section-header {
      margin: 50px 0 30px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .section-header h2 {
      font-size: 2rem;
      font-weight: 800;
      margin: 0;
    }

    .section-header i {
      color: var(--brand-primary);
      font-size: 2rem;
    }

    /* 横向滑动 */
    .horizontal-scroll {
      display: flex;
      gap: 20px;
      overflow-x: auto;
      padding-bottom: 20px;
      scrollbar-width: thin;
      scrollbar-color: var(--brand-primary) transparent;
    }

    .horizontal-scroll::-webkit-scrollbar {
      height: 8px;
    }

    .horizontal-scroll::-webkit-scrollbar-thumb {
      background: var(--brand-primary);
      border-radius: 20px;
    }

    .poster-card {
      min-width: 180px;
      flex: 0 0 auto;
      position: relative;
    }

    .card-body-content {
      padding: 14px;
    }

    .card-body-content .title {
      font-weight: 700;
      font-size: 1rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: var(--brand-text);
    }

    .card-body-content .meta {
      font-size: 0.85rem;
      color: rgba(255, 247, 237, 0.7);
    }

    /* 影片弹窗 */
    .modal-mask {
      position: fixed;
      top:0; left:0; width:100%; height:100%;
      background: rgba(0,0,0,0.6);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 2000;
      visibility: hidden;
      opacity: 0;
      transition: 0.3s;
    }

    .modal-mask.active {
      visibility: visible;
      opacity: 1;
    }

    .modal-card {
      background: #2a201b;
      color: #fff7ed;
      max-width: 760px;
      width: 90%;
      border-radius: 28px;
      padding: 24px;
      display: flex;
      gap: 20px;
      box-shadow: 0 20px 50px rgba(0,0,0,0.8);
      position: relative;
    }

    .modal-card img {
      width: 180px;
      border-radius: 16px;
      object-fit: cover;
      background: #3a2e27;
    }

    .modal-close {
      position: absolute;
      top: 16px;
      right: 16px;
      background: transparent;
      border: none;
      font-size: 1.8rem;
      color: #aaa;
      cursor: pointer;
    }

    .modal-close:hover {
      color: white;
    }

    @media (max-width: 768px) {
      .hero-section h1 { font-size: 2.2rem; }
      .modal-card { flex-direction: column; align-items: center; text-align: center; }
      .modal-card img { width: 100%; }
    }

    /* 页脚 */
    .footer-custom {
      background: #15100c;
      padding: 50px 0 30px;
      margin-top: 60px;
      border-radius: 40px 40px 0 0;
    }

    .footer-custom a {
      color: rgba(255,247,237,0.7);
      text-decoration: none;
    }

    .footer-custom a:hover {
      color: var(--brand-primary);
    }

    /* 心情选片等 */
    .info-card {
      background: var(--brand-card-bg);
      padding: 24px;
      box-shadow: var(--brand-shadow);
    }

/* --- 子页面追加 --- */
/* 关于页卡片微调，保持与首页质感一致 */
    .about-hero-card {
      background: var(--brand-card-bg);
      border-radius: var(--brand-radius-lg);
      padding: 2.8rem 2.2rem;
      box-shadow: var(--brand-shadow);
    }
.about-section-title {
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--brand-text);
      margin-bottom: 1.2rem;
      border-left: 5px solid var(--brand-primary);
      padding-left: 1rem;
    }
.about-section-title i {
      color: var(--brand-accent);
      margin-right: 0.5rem;
    }
.about-highlight {
      background: rgba(249, 115, 22, 0.12);
      border-radius: 20px;
      padding: 1.8rem 1.6rem;
      border: 1px solid rgba(249, 115, 22, 0.25);
    }
.about-stat {
      background: rgba(255,255,255,0.03);
      border-radius: 16px;
      padding: 1.2rem 0.8rem;
      text-align: center;
      border: 1px solid rgba(255,255,255,0.06);
    }
.about-stat .stat-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--brand-accent);
      line-height: 1.2;
    }
.about-stat .stat-label {
      color: rgba(255, 237, 240, 0.7);
      font-size: 0.85rem;
      letter-spacing: 0.5px;
    }
.timeline-about {
      position: relative;
      padding-left: 1.5rem;
      border-left: 2px solid rgba(249, 115, 22, 0.35);
    }
.timeline-about .item {
      margin-bottom: 1.8rem;
      position: relative;
    }
.timeline-about .item::before {
      content: "";
      position: absolute;
      left: -1.85rem;
      top: 0.35rem;
      width: 14px;
      height: 14px;
      background: var(--brand-primary);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.2);
    }
.timeline-about .year {
      font-weight: 700;
      color: var(--brand-accent);
      font-size: 1.2rem;
      display: block;
      margin-bottom: 0.25rem;
    }
.timeline-about p {
      margin-bottom: 0.2rem;
      color: rgba(255, 247, 237, 0.9);
    }
/* 导航高亮当前页 */
    .navbar-custom .nav-link.active {
      color: var(--brand-accent) !important;
      font-weight: 700;
    }
/* 小徽章 */
    .badge-about {
      background: var(--brand-primary);
      color: #fff;
      border-radius: 30px;
      padding: 0.15rem 0.9rem;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.3px;
    }

/* --- 子页面追加 --- */
.guide-section { margin-bottom: 3rem; }
.guide-section h2 { color: var(--brand-primary); font-weight: 700; margin-bottom: 1.5rem; }
.guide-section h3 { color: var(--brand-accent); font-weight: 600; margin-top: 1.5rem; margin-bottom: 1rem; }
.guide-section p { color: var(--brand-text); line-height: 1.8; }
.guide-section ul, .guide-section ol { color: var(--brand-text); line-height: 1.8; padding-left: 1.5rem; }
.guide-section li { margin-bottom: 0.5rem; }
.guide-card { background: var(--brand-card-bg); border-radius: var(--brand-radius); padding: 2rem; margin-bottom: 1.5rem; box-shadow: var(--brand-shadow); }
.guide-card:hover { box-shadow: var(--brand-shadow-hover); }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: var(--brand-primary); color: #fff; border-radius: 50%; font-weight: 700; margin-right: 10px; }
.guide-note { background: rgba(249, 115, 22, 0.1); border-left: 4px solid var(--brand-primary); padding: 1rem 1.5rem; border-radius: 8px; margin: 1.5rem 0; }
.guide-note p { margin-bottom: 0; }
.section-header h1 { font-size: 2.5rem; font-weight: 800; color: var(--brand-text); }
.section-header p { color: rgba(255, 247, 237, 0.7); font-size: 1.1rem; }

/* --- 子页面追加 --- */
/* 免责声明专属小范围样式 */
    .disclaimer-hero { background: linear-gradient(135deg, rgba(249,115,22,.18) 0%, rgba(250,204,21,.08) 50%, rgba(26,20,16,.4) 100%); }
.disclaimer-section { margin-bottom: 2rem; }
.disclaimer-section h2 { color: var(--brand-accent); font-weight: 700; font-size: 1.55rem; margin-bottom: 1rem; display: flex; align-items: center; gap: .6rem; }
.disclaimer-section h2 i { color: var(--brand-primary); font-size: 1.3rem; }
.disclaimer-section p, .disclaimer-section li { color: var(--brand-text); opacity: .88; line-height: 1.9; font-size: .98rem; }
.disclaimer-section ul { padding-left: 1.2rem; }
.disclaimer-section li { margin-bottom: .5rem; }
.disclaimer-box { background: var(--brand-card-bg); border: 1px solid rgba(249,115,22,.2); border-radius: var(--brand-radius); padding: 1.6rem 1.8rem; margin: 1.5rem 0; }
.disclaimer-box p:last-child { margin-bottom: 0; }
.info-card:hover { transform: translateY(-4px); box-shadow: var(--brand-shadow-hover); }
.info-card h3 { color: var(--brand-accent); font-size: 1.15rem; font-weight: 700; margin-bottom: .6rem; }
.info-card h3 i { color: var(--brand-primary); margin-right: .4rem; }
.info-card p { font-size: .9rem; line-height: 1.75; opacity: .85; margin-bottom: 0; }
.divider-line { border-top: 1px solid rgba(249,115,22,.25); margin: 2.2rem 0; opacity: .6; }