/* roulang page: index */
:root {
      --bg-primary: #0F1011;
      --bg-secondary: #16181A;
      --bg-card: #1C1E22;
      --bg-card-hover: #23262B;
      --accent-gold: #D89C48;
      --accent-gold-glow: rgba(216, 156, 72, 0.22);
      --accent-border: rgba(216, 156, 72, 0.28);
      --text-main: #F5F4F0;
      --text-muted: #D4D5D8;
      --text-dim: #767A82;
      --status-green: #3E9B72;
      --line-subtle: rgba(255, 255, 255, 0.08);
      --font-serif: "Noto Serif SC", "Songti SC", Georgia, serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans CN", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-primary);
      color: var(--text-muted);
      font-family: var(--font-sans);
      font-size: 15px;
      line-height: 1.8;
      letter-spacing: 0.02em;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.25s ease;
    }
    a:hover {
      color: var(--accent-gold);
    }
    h1, h2, h3, h4, h5 {
      color: var(--text-main);
      font-family: var(--font-serif);
      letter-spacing: 0.04em;
      font-weight: 600;
      line-height: 1.35;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 浮动胶囊导航 */
    .capsule-nav-wrapper {
      position: fixed;
      top: 20px;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0 16px;
      pointer-events: none;
    }
    .capsule-nav {
      max-width: 1060px;
      margin: 0 auto;
      background: rgba(18, 20, 23, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65);
      border-radius: 9999px;
      padding: 10px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      pointer-events: auto;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-serif);
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.06em;
    }
    .brand-mark {
      width: 12px;
      height: 12px;
      background: var(--accent-gold);
      border-radius: 2px;
      transform: rotate(45deg);
      box-shadow: 0 0 10px var(--accent-gold-glow);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0;
    }
    .nav-links a {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 4px 8px;
      border-bottom: 2px solid transparent;
      transition: all 0.25s ease;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent-gold);
      border-color: var(--accent-gold);
    }
    .nav-cta-btn {
      background: var(--accent-gold);
      color: #0F1011 !important;
      font-weight: 600;
      font-size: 0.88rem;
      padding: 8px 20px;
      border-radius: 9999px;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-cta-btn:hover {
      background: #e6ab5b;
      box-shadow: 0 0 16px var(--accent-gold-glow);
      transform: translateY(-1px);
    }

    /* 页面基底结构 */
    .site-main {
      padding-top: 100px;
    }
    .content-section {
      padding: 90px 0;
      position: relative;
    }
    .bg-dark-1 { background-color: var(--bg-primary); }
    .bg-dark-2 { background-color: var(--bg-secondary); }
    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-eyebrow {
      display: inline-block;
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: var(--accent-gold);
      margin-bottom: 12px;
      font-family: var(--font-sans);
      font-weight: 600;
    }
    .section-title {
      font-size: 2.1rem;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-lead {
      max-width: 760px;
      margin: 0 auto;
      color: var(--text-muted);
      font-size: 1.02rem;
      line-height: 1.85;
    }

    /* 板块 1: Hero 价值主张 */
    .hero-panel {
      position: relative;
      min-height: 620px;
      border-radius: 4px;
      overflow: hidden;
      display: flex;
      align-items: center;
      padding: 60px 48px;
      background-size: cover;
      background-position: center;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(15, 16, 17, 0.95) 0%, rgba(15, 16, 17, 0.78) 55%, rgba(15, 16, 17, 0.4) 100%);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 780px;
    }
    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 9999px;
      background: rgba(216, 156, 72, 0.12);
      border: 1px solid var(--accent-border);
      color: var(--accent-gold);
      font-size: 0.82rem;
      margin-bottom: 24px;
    }
    .hero-h1 {
      font-size: 2.85rem;
      line-height: 1.25;
      margin-bottom: 22px;
      color: var(--text-main);
      text-shadow: 0 4px 20px rgba(0,0,0,0.6);
    }
    .hero-desc {
      font-size: 1.08rem;
      color: var(--text-muted);
      margin-bottom: 34px;
      line-height: 1.85;
    }
    .hero-btn-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-gold {
      background: var(--accent-gold);
      color: #0F1011;
      padding: 13px 30px;
      border-radius: 3px;
      font-weight: 600;
      font-size: 0.95rem;
      letter-spacing: 0.03em;
      display: inline-block;
      border: 1px solid var(--accent-gold);
      transition: all 0.25s ease;
    }
    .btn-gold:hover {
      background: #e6ab5b;
      color: #0F1011;
      box-shadow: 0 0 20px var(--accent-gold-glow);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-main);
      padding: 13px 30px;
      border-radius: 3px;
      font-weight: 500;
      font-size: 0.95rem;
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: inline-block;
      transition: all 0.25s ease;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--text-main);
      border-color: var(--accent-gold);
    }

    /* 通用卡片与画报样式 */
    .film-card {
      background: var(--bg-card);
      border: 1px solid var(--line-subtle);
      border-radius: 3px;
      padding: 30px;
      height: 100%;
      transition: all 0.3s ease;
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
    }
    .film-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--accent-border);
      transform: translateY(-3px);
    }
    .card-idx {
      font-family: var(--font-serif);
      font-size: 1.8rem;
      color: var(--accent-gold);
      opacity: 0.8;
      margin-bottom: 14px;
      line-height: 1;
    }
    .card-title {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .card-text {
      color: var(--text-muted);
      font-size: 0.93rem;
      line-height: 1.75;
    }

    /* 场景与双联画 */
    .duo-card {
      position: relative;
      overflow: hidden;
      border-radius: 3px;
      border: 1px solid var(--line-subtle);
      background: var(--bg-card);
    }
    .duo-img-box {
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }
    .duo-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: brightness(0.85);
      transition: transform 0.5s ease, filter 0.5s ease;
    }
    .duo-card:hover .duo-img-box img {
      transform: scale(1.04);
      filter: brightness(1);
    }
    .duo-body {
      padding: 24px;
    }
    .duo-tag {
      font-size: 0.75rem;
      color: var(--accent-gold);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }

    /* 播放器模拟展台 */
    .player-stage {
      background: #0B0C0D;
      border: 1px solid rgba(216, 156, 72, 0.25);
      border-radius: 4px;
      overflow: hidden;
      box-shadow: 0 24px 70px rgba(0, 0, 0, 0.85);
    }
    .player-screen {
      position: relative;
      aspect-ratio: 2.35 / 1;
      background-size: cover;
      background-position: center;
      display: flex;
      align-items: flex-end;
      padding: 30px;
    }
    .player-screen::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.85) 100%);
    }
    .player-ui-bar {
      position: relative;
      z-index: 2;
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 16px;
    }
    .player-meta {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .badge-4k {
      background: var(--accent-gold);
      color: #000;
      font-weight: 700;
      font-size: 0.72rem;
      padding: 2px 6px;
      border-radius: 2px;
    }
    .player-specs-grid {
      padding: 24px 30px;
      background: var(--bg-card);
      border-top: 1px solid var(--line-subtle);
    }

    /* 地域节点实测数据 */
    .geo-stat-box {
      border: 1px solid var(--line-subtle);
      background: var(--bg-card);
      padding: 24px;
      border-radius: 3px;
      text-align: center;
    }
    .geo-val {
      font-family: var(--font-serif);
      font-size: 2.2rem;
      color: var(--accent-gold);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .geo-label {
      font-size: 0.88rem;
      color: var(--text-dim);
    }

    /* 套餐对照表 */
    .plan-card {
      background: var(--bg-card);
      border: 1px solid var(--line-subtle);
      border-radius: 3px;
      padding: 36px 28px;
      position: relative;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .plan-featured {
      border-color: var(--accent-gold);
      background: #1F2228;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
    }
    .plan-flag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-gold);
      color: #000;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 9999px;
      letter-spacing: 0.05em;
    }
    .plan-name {
      font-size: 1.35rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .plan-price {
      font-family: var(--font-serif);
      font-size: 2.4rem;
      color: var(--accent-gold);
      margin-bottom: 20px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .plan-price span {
      font-size: 0.95rem;
      color: var(--text-dim);
      font-family: var(--font-sans);
    }
    .plan-features {
      list-style: none;
      margin: 0 0 30px 0;
      flex-grow: 1;
    }
    .plan-features li {
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255,255,255,0.06);
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .plan-features li::before {
      content: "▪";
      color: var(--accent-gold);
    }

    /* 评价墙 */
    .quote-box {
      background: var(--bg-card);
      border-left: 3px solid var(--accent-gold);
      padding: 24px;
      border-radius: 0 3px 3px 0;
      height: 100%;
    }
    .quote-text {
      font-style: italic;
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.94rem;
      line-height: 1.7;
    }
    .quote-author {
      font-weight: 600;
      color: var(--text-main);
      font-size: 0.88rem;
    }
    .quote-role {
      font-size: 0.78rem;
      color: var(--text-dim);
    }

    /* 核心看板 KPI */
    .kpi-block {
      text-align: center;
      padding: 20px;
    }
    .kpi-number {
      font-family: var(--font-serif);
      font-size: 2.8rem;
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .kpi-desc {
      font-size: 0.88rem;
      color: var(--text-dim);
    }

    /* 分类入口克制区 */
    .category-showcase-box {
      border: 1px solid var(--accent-border);
      background: linear-gradient(135deg, rgba(28, 30, 34, 0.9) 0%, rgba(22, 24, 26, 0.95) 100%);
      padding: 44px;
      border-radius: 4px;
    }

    /* 资讯列表 */
    .post-item-card {
      background: var(--bg-card);
      border: 1px solid var(--line-subtle);
      border-radius: 3px;
      overflow: hidden;
      height: 100%;
    }
    .post-cover-wrap {
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }
    .post-cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .post-item-card:hover .post-cover-wrap img {
      transform: scale(1.05);
    }
    .post-item-body {
      padding: 22px;
    }
    .post-date {
      font-size: 0.78rem;
      color: var(--accent-gold);
      margin-bottom: 8px;
    }
    .post-title {
      font-size: 1.1rem;
      margin-bottom: 10px;
      line-height: 1.45;
    }

    /* 终端矩阵 */
    .term-device-pill {
      background: var(--bg-card);
      border: 1px solid var(--line-subtle);
      padding: 16px 20px;
      border-radius: 3px;
      display: flex;
      align-items: center;
      gap: 14px;
      font-weight: 500;
      color: var(--text-main);
    }
    .term-dot {
      width: 8px;
      height: 8px;
      background: var(--status-green);
      border-radius: 50%;
      box-shadow: 0 0 8px rgba(62, 155, 114, 0.6);
    }

    /* FAQ 手风琴 */
    .faq-unit {
      background: var(--bg-card);
      border: 1px solid var(--line-subtle);
      border-radius: 3px;
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-q {
      padding: 20px 24px;
      font-size: 1.05rem;
      color: var(--text-main);
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-a {
      padding: 0 24px 22px 24px;
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.8;
      border-top: 1px solid rgba(255,255,255,0.04);
    }

    /* 实时态势条 */
    .telemetry-strip {
      background: #0B0D0F;
      border: 1px solid rgba(62, 155, 114, 0.3);
      padding: 18px 24px;
      border-radius: 3px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .tele-status-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--status-green);
      font-size: 0.88rem;
      font-weight: 600;
    }

    /* 终极 CTA 转化条 */
    .final-cta-bar {
      border: 1px solid var(--accent-border);
      background: radial-gradient(circle at 50% 50%, rgba(216, 156, 72, 0.15) 0%, rgba(22, 24, 26, 0.95) 80%);
      padding: 60px 40px;
      text-align: center;
      border-radius: 4px;
    }

    /* 页脚统一规范 */
    .site-footer {
      background-color: #0A0B0C;
      border-top: 1px solid var(--line-subtle);
      padding: 60px 0 36px 0;
      color: var(--text-dim);
      font-size: 0.88rem;
    }
    .footer-brand {
      font-family: var(--font-serif);
      font-size: 1.25rem;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 14px;
    }
    .footer-desc {
      line-height: 1.8;
      margin-bottom: 20px;
      max-width: 360px;
    }
    .footer-links-col h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-links-col ul {
      list-style: none;
      margin: 0;
    }
    .footer-links-col li {
      margin-bottom: 8px;
    }
    .footer-bottom {
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid rgba(255,255,255,0.05);
      text-align: center;
      font-size: 0.8rem;
    }

    /* 移动端与栅格响应式断点 */
    @media screen and (max-width: 768px) {
      .capsule-nav {
        padding: 8px 16px;
      }
      .nav-links {
        display: none;
      }
      .hero-h1 {
        font-size: 1.95rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .hero-panel {
        padding: 40px 20px;
      }
      .duo-img-box {
        aspect-ratio: 16 / 10;
      }
      .player-screen {
        aspect-ratio: 16 / 9;
      }
      .site-main {
        padding-top: 80px;
      }
    }

/* roulang page: category1 */
:root {
            --bg-primary: #0F1011;
            --bg-secondary: #16181A;
            --bg-card: #1C1E22;
            --bg-card-hover: #23262B;
            --accent-gold: #D89C48;
            --accent-gold-glow: rgba(216, 156, 72, 0.22);
            --accent-border: rgba(216, 156, 72, 0.28);
            --text-main: #F5F4F0;
            --text-muted: #D4D5D8;
            --text-dim: #767A82;
            --status-green: #3E9B72;
            --line-subtle: rgba(255, 255, 255, 0.08);
            --font-serif: "Noto Serif SC", "Songti SC", Georgia, serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans CN", "Microsoft YaHei", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-muted);
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            letter-spacing: 0.02em;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        /* 浮动胶囊导航 */
        .capsule-nav-wrapper {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }
        .capsule-nav {
            max-width: 1060px;
            margin: 0 auto;
            background: rgba(18, 20, 23, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65);
            border-radius: 9999px;
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            pointer-events: auto;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.06em;
        }
        .brand-mark {
            width: 12px;
            height: 12px;
            background: var(--accent-gold);
            border-radius: 2px;
            transform: rotate(45deg);
            box-shadow: 0 0 10px var(--accent-gold-glow);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
        }
        .nav-links a {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 500;
            padding: 4px 8px;
            border-bottom: 2px solid transparent;
            transition: all 0.25s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }
        .nav-cta-btn {
            background: var(--accent-gold);
            color: #0F1011 !important;
            font-weight: 600;
            font-size: 0.88rem;
            padding: 8px 20px;
            border-radius: 9999px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta-btn:hover {
            background: #e6ab5b;
            box-shadow: 0 0 16px var(--accent-gold-glow);
            transform: translateY(-1px);
        }

        /* 页面主体 */
        .site-main {
            padding-top: 110px;
        }
        .content-section {
            padding: 70px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            color: var(--accent-gold);
            margin-bottom: 10px;
            font-weight: 600;
        }
        .section-title {
            font-size: 1.85rem;
            margin-bottom: 12px;
            color: var(--text-main);
            font-family: var(--font-serif);
            letter-spacing: 0.04em;
        }
        .section-lead {
            color: var(--text-dim);
            font-size: 0.98rem;
            line-height: 1.75;
        }

        /* 板块 1: 分类导读看板 */
        .catalog-banner {
            background: radial-gradient(circle at 80% 20%, rgba(216, 156, 72, 0.08) 0%, transparent 60%), var(--bg-secondary);
            border: 1px solid var(--line-subtle);
            border-left: 4px solid var(--accent-gold);
            padding: 42px 48px;
            margin-bottom: 30px;
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
        }
        .catalog-meta-row {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .catalog-code-badge {
            background: rgba(216, 156, 72, 0.15);
            color: var(--accent-gold);
            border: 1px solid var(--accent-border);
            font-family: monospace;
            font-size: 0.85rem;
            padding: 3px 10px;
            border-radius: 2px;
            letter-spacing: 0.08em;
        }
        .catalog-status-node {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--status-green);
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--status-green);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--status-green);
        }
        .catalog-h1 {
            font-size: 2.3rem;
            color: var(--text-main);
            font-family: var(--font-serif);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .catalog-brief {
            max-width: 860px;
            color: var(--text-muted);
            font-size: 1.02rem;
            line-height: 1.85;
            margin-bottom: 24px;
        }
        .catalog-metrics-strip {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--line-subtle);
        }
        .metric-item-val {
            font-size: 1.25rem;
            color: var(--accent-gold);
            font-weight: 700;
            font-family: monospace;
        }
        .metric-item-lbl {
            font-size: 0.8rem;
            color: var(--text-dim);
            letter-spacing: 0.05em;
        }

        /* 板块 2: 多维属性筛选矩阵 */
        .filter-matrix-box {
            background: var(--bg-card);
            border: 1px solid var(--line-subtle);
            padding: 24px 28px;
            border-radius: 3px;
            margin-bottom: 45px;
        }
        .filter-row {
            display: flex;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .filter-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .filter-label {
            width: 100px;
            flex-shrink: 0;
            font-size: 0.88rem;
            color: var(--text-dim);
            font-weight: 600;
        }
        .filter-options {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 4px 14px;
            border-radius: 2px;
            font-size: 0.82rem;
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.07);
            background: rgba(255, 255, 255, 0.02);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-tag:hover,
        .filter-tag.active {
            color: var(--accent-gold);
            border-color: var(--accent-border);
            background: rgba(216, 156, 72, 0.08);
        }

        /* 板块 3: 核心资源画报列表 */
        .film-media-card {
            background: var(--bg-card);
            border: 1px solid var(--line-subtle);
            border-radius: 3px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all 0.3s ease;
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
        }
        .film-media-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-border);
            box-shadow: 0 18px 36px rgba(0, 0, 0, 0.7);
        }
        .card-cover-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #141517;
        }
        .card-cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .film-media-card:hover .card-cover-wrap img {
            transform: scale(1.05);
        }
        .card-spec-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(15, 16, 17, 0.85);
            border: 1px solid var(--accent-border);
            color: var(--accent-gold);
            font-size: 0.72rem;
            padding: 2px 8px;
            border-radius: 2px;
            font-family: monospace;
            backdrop-filter: blur(4px);
        }
        .card-time-tag {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(15, 16, 17, 0.85);
            color: var(--text-main);
            font-size: 0.72rem;
            padding: 2px 8px;
            border-radius: 2px;
            font-family: monospace;
        }
        .card-body {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .card-title {
            font-size: 1.15rem;
            font-family: var(--font-serif);
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-footer-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-dim);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 12px;
        }
        .stream-bitrate {
            color: var(--accent-gold);
            font-family: monospace;
        }

        /* 分页器 */
        .pagination-container {
            margin-top: 45px;
            display: flex;
            justify-content: center;
            gap: 8px;
        }
        .page-node {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 2px;
            background: var(--bg-card);
            border: 1px solid var(--line-subtle);
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }
        .page-node:hover,
        .page-node.current {
            background: var(--accent-gold);
            color: #0F1011;
            font-weight: 600;
            border-color: var(--accent-gold);
        }

        /* 板块 4: 宽画幅杂志精选特稿 */
        .feature-wide-strip {
            background: var(--bg-card);
            border: 1px solid var(--line-subtle);
            border-radius: 4px;
            overflow: hidden;
            display: flex;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
        }
        .feature-img-col {
            position: relative;
            width: 55%;
            aspect-ratio: 2.35 / 1;
            min-height: 380px;
        }
        .feature-img-col img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(270deg, var(--bg-card) 0%, transparent 60%);
        }
        .feature-text-col {
            width: 45%;
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-badge {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.15em;
            color: var(--accent-gold);
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .feature-headline {
            font-size: 1.85rem;
            color: var(--text-main);
            font-family: var(--font-serif);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .feature-detail {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: 24px;
        }
        .feature-tech-tags {
            display: flex;
            gap: 12px;
            margin-bottom: 28px;
        }
        .tech-tag-pill {
            font-size: 0.75rem;
            color: var(--text-dim);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4px 10px;
            border-radius: 2px;
        }
        .btn-gold-sm {
            background: var(--accent-gold);
            color: #0F1011;
            padding: 10px 24px;
            border-radius: 2px;
            font-weight: 600;
            font-size: 0.88rem;
            display: inline-block;
            transition: all 0.25s ease;
            width: fit-content;
        }
        .btn-gold-sm:hover {
            background: #e6ab5b;
            color: #0F1011;
            box-shadow: 0 0 14px var(--accent-gold-glow);
        }

        /* 板块 5: 播放规格与技术参数对照面板 */
        .specs-table-container {
            background: var(--bg-card);
            border: 1px solid var(--line-subtle);
            border-radius: 3px;
            overflow-x: auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            text-align: left;
            margin: 0;
            background: transparent;
        }
        .specs-table th {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-main);
            padding: 18px 24px;
            font-weight: 600;
            border-bottom: 1px solid var(--accent-border);
            letter-spacing: 0.05em;
        }
        .specs-table td {
            padding: 16px 24px;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            background: transparent;
        }
        .specs-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }
        .code-highlight {
            color: var(--accent-gold);
            font-family: monospace;
            font-weight: 600;
        }

        /* 板块 6: 调优指南卡片 */
        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--line-subtle);
            border-radius: 3px;
            padding: 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.25s ease;
        }
        .article-card:hover {
            border-color: var(--accent-border);
            transform: translateY(-3px);
        }
        .article-date {
            font-size: 0.78rem;
            color: var(--accent-gold);
            font-family: monospace;
            margin-bottom: 12px;
        }
        .article-title {
            font-size: 1.15rem;
            color: var(--text-main);
            font-family: var(--font-serif);
            margin-bottom: 12px;
            line-height: 1.5;
        }
        .article-summary {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .article-link {
            font-size: 0.82rem;
            color: var(--text-main);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-link:hover {
            color: var(--accent-gold);
        }

        /* 板块 7: 分类专属更新订阅区 */
        .subscription-box {
            background: linear-gradient(135deg, rgba(28, 30, 34, 0.9) 0%, rgba(22, 24, 26, 0.95) 100%);
            border: 1px solid var(--accent-border);
            border-radius: 4px;
            padding: 50px 40px;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
            text-align: center;
        }
        .sub-inner {
            max-width: 680px;
            margin: 0 auto;
        }
        .sub-input-group {
            display: flex;
            gap: 12px;
            margin-top: 28px;
        }
        .sub-input {
            flex-grow: 1;
            background: rgba(15, 16, 17, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 14px 20px;
            color: var(--text-main);
            border-radius: 2px;
            font-size: 0.92rem;
            outline: none;
            transition: border-color 0.25s ease;
        }
        .sub-input:focus {
            border-color: var(--accent-gold);
            background: #0F1011;
        }
        .sub-btn {
            background: var(--accent-gold);
            color: #0F1011;
            border: none;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: 2px;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .sub-btn:hover {
            background: #e6ab5b;
            box-shadow: 0 0 16px var(--accent-gold-glow);
        }

        /* 页脚统一规范 */
        .site-footer {
            background: #0B0C0D;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 70px 0 30px;
            color: var(--text-dim);
            font-size: 0.88rem;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            color: var(--text-main);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }
        .footer-desc {
            line-height: 1.85;
            color: var(--text-dim);
            max-width: 440px;
            margin-bottom: 24px;
        }
        .footer-links-col h5 {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }
        .footer-links-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links-col li {
            margin-bottom: 12px;
            color: var(--text-dim);
        }
        .footer-links-col a {
            color: var(--text-dim);
            transition: color 0.2s ease;
        }
        .footer-links-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.8rem;
            color: #55585E;
        }

        /* 响应式断点控制 */
        @media screen and (max-width: 1023px) {
            .feature-wide-strip {
                flex-direction: column;
            }
            .feature-img-col, .feature-text-col {
                width: 100%;
            }
            .feature-text-col {
                padding: 32px;
            }
        }
        @media screen and (max-width: 768px) {
            .capsule-nav {
                padding: 8px 16px;
            }
            .nav-links {
                display: none;
            }
            .catalog-banner {
                padding: 30px 20px;
            }
            .catalog-h1 {
                font-size: 1.8rem;
            }
            .sub-input-group {
                flex-direction: column;
            }
            .catalog-metrics-strip {
                gap: 20px;
            }
        }