/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
      --primary: #2563EB;
      --primary-dark: #1D4ED8;
      --deep-blue: #1E4A7A;
      --light-blue: #EFF4FB;
      --pale-blue: #F5F9FD;
      --coral: #FF7A45;
      --success: #10B981;
      --warning: #F59E0B;
      --bg: #F7F9FC;
      --card: #FFFFFF;
      --text: #1F2937;
      --muted: #5B6B7C;
      --border: #E5EDF5;
      --footer-bg: #16283A;
      --radius-card: 16px;
      --radius-btn: 10px;
      --shadow-card: 0 2px 10px rgba(30, 64, 123, 0.08);
      --shadow-lift: 0 8px 24px rgba(30, 64, 123, 0.12);
      --container: 1200px;
      --gap: 24px;
    }

    /* ===== Reset / Base ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      display: block;
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }
    input,
    select {
      font-family: inherit;
      font-size: 14px;
      width: 100%;
    }
    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    body.lock {
      overflow: hidden;
    }
    .tabular-nums {
      font-variant-numeric: tabular-nums;
    }

    /* ===== 顶栏 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 90;
      background: rgba(255, 255, 255, 0.85);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      height: 64px;
      display: flex;
      align-items: center;
    }
    .site-header .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 22px;
      font-weight: 700;
      color: var(--deep-blue);
      letter-spacing: 0.02em;
    }
    .logo svg {
      width: 28px;
      height: 28px;
      color: var(--primary);
      flex-shrink: 0;
    }

    /* 按钮 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      border-radius: var(--radius-btn);
      padding: 10px 24px;
      font-size: 15px;
      font-weight: 500;
      transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
      border: none;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
      transform: translateY(-1px);
    }
    .btn-primary:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #fff;
      color: var(--primary);
      border: 1.5px solid var(--primary);
      border-radius: var(--radius-btn);
      padding: 10px 24px;
      font-size: 15px;
      font-weight: 500;
      transition: background 0.2s ease, box-shadow 0.2s ease;
    }
    .btn-outline:hover {
      background: var(--light-blue);
    }
    .btn-outline:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    /* 汉堡按钮 */
    .hamburger {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      background: transparent;
      border: 1px solid var(--border);
      transition: background 0.2s ease;
    }
    .hamburger:hover {
      background: var(--light-blue);
    }
    .hamburger span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--deep-blue);
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }
    .hamburger.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== 抽屉导航 ===== */
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(22, 40, 58, 0.4);
      z-index: 100;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s ease;
    }
    .drawer-overlay.open {
      opacity: 1;
      pointer-events: auto;
    }
    .drawer {
      position: fixed;
      top: 0;
      right: 0;
      width: 100%;
      max-width: 480px;
      height: 100%;
      background: var(--light-blue);
      z-index: 101;
      box-shadow: -8px 0 30px rgba(30, 64, 123, 0.12);
      transform: translateX(100%);
      transition: transform 0.25s ease;
      display: flex;
      flex-direction: column;
      overflow-y: auto;
    }
    .drawer.open {
      transform: translateX(0);
    }
    .drawer-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      border-bottom: 1px solid rgba(30, 74, 122, 0.1);
    }
    .drawer-brand {
      font-size: 22px;
      font-weight: 700;
      color: var(--deep-blue);
    }
    .drawer-x {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      font-size: 18px;
      color: var(--deep-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease;
    }
    .drawer-x:hover {
      background: rgba(37, 99, 235, 0.1);
    }
    .drawer-list {
      list-style: none;
      padding: 24px 0;
      flex: 1;
    }
    .drawer-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 28px;
      font-size: 20px;
      font-weight: 600;
      color: var(--deep-blue);
      transition: background 0.2s ease, transform 0.2s ease;
      border-left: 3px solid transparent;
    }
    .drawer-list li a:hover {
      background: #E3EDF7;
      transform: translateX(4px);
      border-left-color: var(--primary);
    }
    .drawer-list li a.active {
      border-left-color: var(--primary);
      background: rgba(37, 99, 235, 0.06);
    }
    .drawer-list .arrow {
      font-size: 16px;
      color: var(--muted);
      transition: color 0.2s ease, transform 0.2s ease;
    }
    .drawer-list li a:hover .arrow {
      color: var(--primary);
      transform: translateX(3px);
    }
    .drawer-bottom {
      padding: 20px 24px;
      font-size: 13px;
      color: var(--muted);
      border-top: 1px solid rgba(30, 74, 122, 0.08);
    }

    /* ===== Hero ===== */
    .hero-section {
      position: relative;
      background-color: var(--light-blue);
      background-image: url('/assets/images/backpic/back-1.jpg');
      background-size: cover;
      background-position: center;
      overflow: hidden;
      padding: 72px 0 96px;
    }
    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(239, 244, 251, 0.92) 50%, rgba(255, 255, 255, 0.75) 100%);
    }
    .hero-section::after {
      content: "";
      position: absolute;
      top: -60px;
      right: -80px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .hero-content h1 {
      font-size: clamp(26px, 4vw, 36px);
      font-weight: 700;
      line-height: 1.35;
      color: var(--deep-blue);
      margin-bottom: 18px;
      letter-spacing: 0.01em;
    }
    .hero-sub {
      font-size: 15px;
      color: var(--muted);
      margin-bottom: 30px;
      line-height: 1.8;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }
    .hero-sub span {
      white-space: nowrap;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ===== 指标看板 ===== */
    .stats-section {
      position: relative;
      z-index: 5;
      margin-top: -48px;
      padding-bottom: 20px;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1px;
      background: var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      background-color: #fff;
      border: 1px solid var(--border);
    }
    .stat-card {
      background: #fff;
      padding: 28px 24px 24px;
      position: relative;
      border-radius: 0;
    }
    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      border-radius: 3px 3px 0 0;
    }
    .stat-card:nth-child(1)::before {
      background: var(--primary);
    }
    .stat-card:nth-child(2)::before {
      background: var(--success);
    }
    .stat-card:nth-child(3)::before {
      background: var(--coral);
    }
    .stat-card:nth-child(4)::before {
      background: var(--warning);
    }
    .stat-number {
      font-size: 34px;
      font-weight: 700;
      color: var(--deep-blue);
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
      letter-spacing: -0.01em;
    }
    .stat-label {
      font-size: 14px;
      color: var(--muted);
      margin-top: 6px;
    }
    .stat-trend {
      font-size: 12px;
      color: var(--success);
      margin-top: 10px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: rgba(16, 185, 129, 0.08);
      padding: 3px 10px;
      border-radius: 999px;
    }
    .stat-trend.down {
      color: var(--coral);
      background: rgba(255, 122, 69, 0.08);
    }

    /* ===== 板块通用 ===== */
    .section-block {
      padding: 80px 0;
    }
    .section-block.alt {
      background: var(--pale-blue);
    }
    .section-head {
      max-width: 720px;
      margin-bottom: 48px;
    }
    .section-head.center {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }
    .section-head .eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(37, 99, 235, 0.08);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
      text-transform: none;
    }
    .section-head h2 {
      font-size: clamp(24px, 3vw, 30px);
      font-weight: 700;
      color: var(--deep-blue);
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .section-head p {
      font-size: 15px;
      color: var(--muted);
      line-height: 1.7;
    }

    /* ===== 服务矩阵 ===== */
    .services-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .service-card {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: box-shadow 0.2s ease-out;
    }
    .service-card:hover {
      box-shadow: var(--shadow-lift);
    }
    .service-card .cover {
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: linear-gradient(135deg, #EFF4FB 0%, #F5F9FD 60%);
    }
    .service-card .cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.2s ease-out;
    }
    .service-card:hover .cover img {
      transform: scale(1.05);
    }
    .service-card .card-body {
      padding: 20px 22px 22px;
    }
    .service-card .card-body h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--deep-blue);
      margin-bottom: 6px;
    }
    .service-card .card-body p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .service-card .tag-group {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .service-card .tag {
      display: inline-block;
      font-size: 12px;
      padding: 3px 12px;
      border-radius: 999px;
      background: rgba(37, 99, 235, 0.08);
      color: var(--primary);
      font-weight: 500;
      transition: background 0.2s ease;
    }
    .service-card .tag:hover {
      background: rgba(37, 99, 235, 0.16);
    }
    .service-card.wide-card {
      display: grid;
      grid-template-columns: 1fr;
    }
    .service-card.wide-card .cover {
      aspect-ratio: 16 / 9;
    }
    .service-card.wide-card .card-body {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    /* ===== 内容资讯 ===== */
    .latest-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .latest-list {
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }
    .latest-list .list-title {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border);
      font-size: 17px;
      font-weight: 600;
      color: var(--deep-blue);
    }
    .latest-list ul {
      list-style: none;
      padding: 8px 0;
    }
    .latest-list ul li {
      border-bottom: 1px solid rgba(229, 237, 245, 0.6);
    }
    .latest-list ul li:last-child {
      border-bottom: none;
    }
    .latest-list ul li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 14px 24px;
      transition: background 0.15s ease;
    }
    .latest-list ul li a:hover {
      background: var(--light-blue);
    }
    .latest-list .item-text {
      font-size: 14px;
      color: var(--text);
      line-height: 1.5;
    }
    .latest-list .item-arrow {
      color: var(--primary);
      font-size: 14px;
      flex-shrink: 0;
    }
    .latest-side {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .latest-side .side-card {
      background: var(--light-blue);
      border-radius: 14px;
      padding: 20px 22px;
      transition: background 0.2s ease, transform 0.15s ease;
    }
    .latest-side .side-card:hover {
      background: #E3EDF7;
      transform: translateY(-2px);
    }
    .latest-side .side-card h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--deep-blue);
      margin-bottom: 6px;
    }
    .latest-side .side-card p {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.5;
    }

    /* ===== 结果对比 ===== */
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .compare-col {
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
      transition: box-shadow 0.2s ease;
    }
    .compare-col:hover {
      box-shadow: var(--shadow-lift);
    }
    .compare-col.best {
      background: var(--light-blue);
      border-color: rgba(37, 99, 235, 0.25);
      position: relative;
    }
    .compare-col.best .best-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--coral);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 16px;
      border-radius: 999px;
      box-shadow: 0 2px 8px rgba(255, 122, 69, 0.3);
    }
    .compare-col h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--deep-blue);
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(30, 74, 122, 0.1);
    }
    .compare-col .row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      padding: 12px 0;
      border-bottom: 1px dashed rgba(229, 237, 245, 0.9);
    }
    .compare-col .row:last-child {
      border-bottom: none;
    }
    .compare-col .row .label {
      font-size: 14px;
      color: var(--muted);
    }
    .compare-col .row .value {
      font-size: 14px;
      font-weight: 500;
      color: var(--text);
      text-align: right;
    }
    .compare-col.best .row .value {
      color: var(--primary);
    }

    /* ===== 画师横滑 ===== */
    .artists-scroll {
      display: flex;
      gap: 20px;
      overflow-x: auto;
      padding-bottom: 12px;
      margin: 0 -12px;
      padding-left: 12px;
      padding-right: 12px;
      scrollbar-width: thin;
      scrollbar-color: rgba(37, 99, 235, 0.3) transparent;
    }
    .artists-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .artists-scroll::-webkit-scrollbar-thumb {
      background: rgba(37, 99, 235, 0.25);
      border-radius: 999px;
    }
    .artist-card {
      flex: 0 0 280px;
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow 0.2s ease, transform 0.2s ease;
    }
    .artist-card:hover {
      box-shadow: var(--shadow-lift);
      transform: translateY(-3px);
    }
    .artist-card .cover {
      aspect-ratio: 4 / 3;
      overflow: hidden;
      background: linear-gradient(135deg, #EFF4FB, #F5F9FD);
    }
    .artist-card .cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.25s ease;
    }
    .artist-card:hover .cover img {
      transform: scale(1.04);
    }
    .artist-card .info {
      padding: 18px 20px;
    }
    .artist-card .info h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--deep-blue);
      margin-bottom: 6px;
    }
    .artist-card .info p {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.5;
    }

    /* ===== 流程步骤 ===== */
    .flow-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .flow-step {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 28px;
      border: 1px solid var(--border);
      position: relative;
      transition: box-shadow 0.2s ease;
    }
    .flow-step:hover {
      box-shadow: var(--shadow-lift);
    }
    .flow-step .step-num {
      font-size: 28px;
      font-weight: 700;
      color: rgba(37, 99, 235, 0.15);
      font-variant-numeric: tabular-nums;
      margin-bottom: 10px;
    }
    .flow-step h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--deep-blue);
      margin-bottom: 8px;
    }
    .flow-step p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.6;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 14px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item.open {
      border-color: rgba(37, 99, 235, 0.3);
      background: var(--light-blue);
    }
    .faq-q {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 600;
      color: var(--deep-blue);
      cursor: pointer;
      user-select: none;
      transition: color 0.2s ease;
    }
    .faq-q:hover {
      color: var(--primary);
    }
    .faq-q .faq-icon {
      width: 24px;
      height: 24px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(37, 99, 235, 0.1);
      color: var(--primary);
      transition: transform 0.25s ease, background 0.25s ease;
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }
    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }
    .faq-item.open .faq-a {
      max-height: 300px;
      padding: 0 24px 20px;
    }

    /* ===== CTA 表单 ===== */
    .cta-panel {
      background: #fff;
      border-radius: 20px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-lift);
      padding: 40px 32px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      position: relative;
      overflow: hidden;
    }
    .cta-panel::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--coral));
    }
    .cta-left h2 {
      font-size: 26px;
      font-weight: 700;
      color: var(--deep-blue);
      margin-bottom: 14px;
    }
    .cta-left p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .cta-form .field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .cta-form label {
      font-size: 13px;
      color: var(--muted);
      font-weight: 500;
    }
    .cta-form input,
    .cta-form select {
      height: 46px;
      border: 1px solid #D1D9E6;
      border-radius: 10px;
      padding: 0 14px;
      background: #fff;
      color: var(--text);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      line-height: 1.5;
      -webkit-appearance: none;
      appearance: none;
    }
    .cta-form select {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235B6B7C' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 14px center;
      padding-right: 36px;
    }
    .cta-form input:focus,
    .cta-form select:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .cta-form .btn-submit {
      height: 46px;
      background: var(--primary);
      color: #fff;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 500;
      transition: background 0.2s ease, transform 0.15s ease;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .cta-form .btn-submit:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }
    .cta-form .form-tip {
      font-size: 12px;
      color: var(--muted);
      margin-top: 2px;
    }
    .form-msg {
      font-size: 14px;
      color: var(--success);
      padding: 10px 14px;
      background: rgba(16, 185, 129, 0.08);
      border-radius: 10px;
      display: none;
      margin-top: 4px;
    }
    .form-msg.show {
      display: block;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--footer-bg);
      color: rgba(255, 255, 255, 0.75);
      margin-top: 80px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      padding: 56px 0 40px;
    }
    .footer-brand {
      grid-column: 1 / -1;
    }
    .footer-brand .footer-logo {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.6);
      max-width: 320px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      transition: color 0.2s ease;
    }
    .footer-col ul li a:hover {
      color: #fff;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }
    .footer-bottom .domain {
      font-variant-numeric: tabular-nums;
    }

    /* ===== 响应式 ===== */
    @media (min-width: 640px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .latest-grid {
        grid-template-columns: 1fr;
      }
      .compare-grid {
        grid-template-columns: 1fr;
      }
      .flow-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-panel {
        padding: 44px 40px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-brand {
        grid-column: 1 / -1;
      }
    }
    @media (min-width: 768px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .latest-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .latest-list {
        grid-column: span 2;
      }
      .compare-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .flow-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .cta-panel {
        grid-template-columns: 1fr 1fr;
        align-items: center;
      }
    }
    @media (min-width: 1024px) {
      .services-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .service-card.wide-card {
        grid-template-columns: 1fr 1fr;
      }
      .service-card.wide-card .cover {
        aspect-ratio: 4 / 3;
        height: 100%;
      }
      .footer-brand {
        grid-column: auto;
      }
      .footer-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }
    @media (min-width: 640px) and (max-width: 1023px) {
      .service-card.wide-card {
        grid-template-columns: 1fr 1fr;
      }
      .service-card.wide-card .cover {
        aspect-ratio: 4 / 3;
        height: 100%;
      }
    }
    @media (max-width: 520px) {
      .section-block {
        padding: 48px 0;
      }
      .hero-section {
        padding: 56px 0 72px;
      }
      .hero-content h1 {
        font-size: 25px;
      }
      .hero-sub {
        font-size: 14px;
      }
      .stat-number {
        font-size: 28px;
      }
      .stat-card {
        padding: 20px 16px 18px;
      }
      .compare-col {
        padding: 24px 20px;
      }
      .cta-panel {
        padding: 32px 20px;
      }
      .cta-form .btn-submit {
        width: 100%;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-brand {
        grid-column: auto;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --deep-blue: #1E4A7A;
  --light-blue: #EFF4FB;
  --pale-blue: #F5F9FD;
  --coral: #FF7A45;
  --success: #10B981;
  --warning: #F59E0B;
  --bg: #F7F9FC;
  --card: #FFFFFF;
  --text: #1F2937;
  --muted: #5B6B7C;
  --border: #E5EDF5;
  --footer-bg: #16283A;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 2px 10px rgba(30, 64, 123, 0.08);
  --shadow-lift: 0 8px 24px rgba(30, 64, 123, 0.12);
  --container: 1200px;
  --gap: 24px;
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}
*, *::before, *::after { box-sizing: border-box; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; font-size: 14px; width: 100%; }
.container { max-width: var(--container); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
body.lock { overflow: hidden; }
.tabular-nums { font-variant-numeric: tabular-nums; }

/* ===== 顶栏 ===== */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255,255,255,0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 64px;
  display: flex; align-items: center;
}
.site-header .header-inner {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 22px; font-weight: 700; color: var(--deep-blue); letter-spacing: 0.02em;
}
.logo svg { width: 28px; height: 28px; color: var(--primary); flex-shrink: 0; }
.header-actions { display: flex; align-items: center; gap: 14px; }

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary); color: #fff;
  border-radius: var(--radius-btn); padding: 10px 24px;
  font-size: 15px; font-weight: 500;
  transition: background .2s ease, box-shadow .2s ease, transform .15s ease;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25); border: none;
}
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 16px rgba(37,99,235,0.3); transform: translateY(-1px); }
.btn-primary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; color: var(--primary);
  border: 1.5px solid var(--primary); border-radius: var(--radius-btn);
  padding: 10px 24px; font-size: 15px; font-weight: 500;
  transition: background .2s ease;
}
.btn-outline:hover { background: var(--light-blue); }
.btn-outline:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-coral {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--coral); color: #fff;
  border-radius: var(--radius-btn); padding: 10px 24px;
  font-size: 15px; font-weight: 500;
  transition: background .2s ease, box-shadow .2s ease, transform .15s ease;
  box-shadow: 0 2px 8px rgba(255,122,69,0.25); border: none;
}
.btn-coral:hover { background: #E96A35; box-shadow: 0 4px 16px rgba(255,122,69,0.3); transform: translateY(-1px); }
.btn-coral:focus-visible { outline: 2px solid var(--coral); outline-offset: 2px; }

/* ===== 汉堡按钮 ===== */
.hamburger {
  width: 44px; height: 44px; border-radius: 10px;
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; background: transparent; border: 1px solid var(--border);
  transition: background .2s ease;
}
.hamburger:hover { background: var(--light-blue); }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--deep-blue); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 抽屉导航 ===== */
.drawer-overlay {
  position: fixed; inset: 0; background: rgba(22,40,58,0.4);
  z-index: 100; opacity: 0; pointer-events: none; transition: opacity .25s ease;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; width: 100%; max-width: 480px; height: 100%;
  background: var(--light-blue); z-index: 101;
  box-shadow: -8px 0 30px rgba(30,64,123,0.12);
  transform: translateX(100%); transition: transform .25s ease;
  display: flex; flex-direction: column; overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid rgba(30,74,122,0.1); }
.drawer-brand { font-size: 22px; font-weight: 700; color: var(--deep-blue); }
.drawer-x { width: 40px; height: 40px; border-radius: 10px; font-size: 18px; color: var(--deep-blue); display: flex; align-items: center; justify-content: center; transition: background .2s ease; }
.drawer-x:hover { background: rgba(37,99,235,0.1); }
.drawer-list { list-style: none; padding: 24px 0; flex: 1; margin: 0; }
.drawer-list li a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; font-size: 20px; font-weight: 600; color: var(--deep-blue);
  transition: background .2s ease, transform .2s ease;
  border-left: 3px solid transparent;
}
.drawer-list li a:hover { background: #E3EDF7; transform: translateX(4px); border-left-color: var(--primary); }
.drawer-list li a.active { border-left-color: var(--primary); background: rgba(37,99,235,0.06); }
.drawer-list .arrow { font-size: 16px; color: var(--muted); }
.drawer-footer { padding: 20px 28px; border-top: 1px solid rgba(30,74,122,0.1); display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }

/* ===== 面包屑 ===== */
.breadcrumb { padding: 20px 0 0; font-size: 13px; color: var(--muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; color: #b0bfcd; }
.breadcrumb .current { color: var(--deep-blue); font-weight: 500; }

/* ===== 页头 Hero ===== */
.category-hero {
  position: relative; border-radius: 20px; overflow: hidden;
  background: linear-gradient(135deg, #EFF4FB 0%, #F5F9FD 60%, #ffffff 100%);
  padding: 56px 56px 48px; margin-top: 20px;
  border: 1px solid var(--border);
}
.category-hero::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.10) 0%, transparent 70%);
  pointer-events: none;
}
.category-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 40%;
  background: linear-gradient(to top, rgba(255,255,255,0.6), transparent);
  pointer-events: none;
}
.category-hero .hero-content { position: relative; z-index: 1; max-width: 720px; }
.category-hero h1 {
  font-size: 34px; font-weight: 700; color: var(--deep-blue);
  line-height: 1.35; margin: 0 0 16px; letter-spacing: 0.01em;
}
.category-hero .hero-desc { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 24px; }
.category-hero .stat-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.stat-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 18px;
  font-size: 14px; color: var(--deep-blue); font-weight: 500;
  box-shadow: 0 2px 6px rgba(30,64,123,0.06);
}
.stat-badge .num { font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }

/* ===== 卖点区 ===== */
.feature-section { padding: 72px 0 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-item {
  background: var(--card); border-radius: var(--radius-card);
  padding: 28px 24px; box-shadow: var(--shadow-card);
  border: 1px solid var(--border); transition: box-shadow .25s ease, transform .2s ease;
}
.feature-item:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--light-blue); display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; color: var(--primary);
}
.feature-item h3 { font-size: 17px; font-weight: 600; color: var(--text); margin: 0 0 8px; }
.feature-item p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }

/* ===== 内容浏览区 ===== */
.gallery-section { padding: 72px 0; }
.section-title { font-size: 26px; font-weight: 700; color: var(--deep-blue); margin-bottom: 8px; }
.section-sub { font-size: 14px; color: var(--muted); margin-bottom: 32px; }
.tab-nav {
  display: flex; gap: 4px; border-bottom: 1px solid var(--border);
  margin-bottom: 24px; flex-wrap: wrap;
}
.tab-item {
  padding: 10px 20px; font-size: 15px; font-weight: 500;
  color: var(--muted); border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease; cursor: pointer;
}
.tab-item:hover { color: var(--primary); }
.tab-item.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.filter-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 16px 20px; background: var(--card);
  border: 1px solid var(--border); border-radius: 14px;
  margin-bottom: 28px;
}
.filter-select {
  height: 42px; padding: 0 36px 0 14px; border: 1px solid var(--border);
  border-radius: 10px; font-size: 14px; color: var(--text);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235B6B7C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center;
  appearance: none; -webkit-appearance: none; cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.filter-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.view-switch { display: flex; gap: 6px; margin-left: auto; }
.view-btn {
  width: 38px; height: 38px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); color: var(--muted);
  background: #fff; transition: all .2s ease; font-size: 14px;
}
.view-btn:hover { border-color: var(--primary); color: var(--primary); }
.view-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 内容布局 ===== */
.category-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.content-card {
  display: flex; gap: 20px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius-card);
  padding: 16px; box-shadow: var(--shadow-card);
  transition: box-shadow .2s ease, transform .2s ease; margin-bottom: 20px;
}
.content-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.content-card .thumb { width: 220px; height: 145px; border-radius: 12px; overflow: hidden; flex-shrink: 0; background: var(--light-blue); }
.content-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.content-card:hover .thumb img { transform: scale(1.05); }
.content-card .info { flex: 1; display: flex; flex-direction: column; }
.content-card .info h3 { font-size: 17px; font-weight: 600; color: var(--text); margin: 0 0 6px; }
.content-card .info .desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 10px; }
.content-card .meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: auto; }
.content-card .tag {
  font-size: 12px; padding: 3px 12px; border-radius: 999px;
  background: var(--light-blue); color: var(--deep-blue); font-weight: 500;
}
.content-card .tag.coral-tag { background: rgba(255,122,69,0.12); color: #D95B2B; }
.content-card .res { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.content-card .date { font-size: 12px; color: var(--muted); margin-left: auto; font-variant-numeric: tabular-nums; }

/* 网格视图 */
.gallery-grid .content-card { flex-direction: column; padding: 12px; margin-bottom: 0; }
.gallery-grid .content-card .thumb { width: 100%; height: 180px; }
.gallery-grid .content-card .info h3 { font-size: 15px; }
.gallery-grid .content-card .meta { margin-top: 10px; }
.view-grid { display: none; }
.gallery-grid .view-list { display: none; }
.gallery-grid .view-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.gallery-grid .content-card .date { margin-left: 0; }

/* ===== 加载更多 ===== */
.load-more-wrap { text-align: center; margin-top: 36px; }

/* ===== 侧栏 ===== */
.sidebar { position: sticky; top: 90px; }
.sidebar-card {
  background: var(--light-blue); border-radius: var(--radius-card);
  padding: 24px; margin-bottom: 24px; border: 1px solid rgba(229,237,245,0.8);
}
.sidebar-card h4 { font-size: 16px; font-weight: 600; color: var(--deep-blue); margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid rgba(30,74,122,0.08); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  font-size: 13px; padding: 5px 14px; border-radius: 999px;
  background: #fff; color: var(--deep-blue);
  border: 1px solid var(--border); transition: all .2s ease;
}
.tag-cloud a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.top-list { list-style: none; padding: 0; margin: 0; counter-reset: top; }
.top-list li { counter-increment: top; padding: 8px 0; border-bottom: 1px solid rgba(30,74,122,0.06); font-size: 14px; }
.top-list li:last-child { border-bottom: none; }
.top-list li a { display: flex; align-items: center; gap: 10px; color: var(--text); transition: color .2s ease; }
.top-list li a:hover { color: var(--primary); }
.top-list li a::before {
  content: counter(top); font-size: 12px; font-weight: 700;
  color: var(--primary); background: rgba(37,99,235,0.08);
  width: 24px; height: 24px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-variant-numeric: tabular-nums;
}
.quick-nav { display: flex; flex-direction: column; gap: 4px; }
.quick-nav a {
  padding: 10px 12px; border-radius: 10px; font-size: 14px;
  color: var(--deep-blue); font-weight: 500;
  transition: background .2s ease, padding-left .2s ease;
}
.quick-nav a:hover { background: rgba(37,99,235,0.08); padding-left: 18px; }

/* ===== 场景区 ===== */
.scenario-section { padding: 72px 0; background: var(--pale-blue); }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card {
  background: var(--card); border-radius: var(--radius-card);
  padding: 32px 28px; text-align: center;
  border: 1px solid var(--border); box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, transform .2s ease;
}
.scenario-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.scenario-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--light-blue); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; color: var(--primary); }
.scenario-card h3 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.scenario-card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 0; }

/* ===== FAQ ===== */
.faq-section { padding: 72px 0; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; margin-bottom: 14px; overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item.open { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.08); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; font-size: 15px; font-weight: 500;
  color: var(--text); cursor: pointer; transition: background .2s ease;
}
.faq-q:hover { background: var(--pale-blue); }
.faq-q .icon { font-size: 14px; color: var(--muted); transition: transform .25s ease; flex-shrink: 0; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a .inner { padding: 0 24px 20px; font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { padding: 24px 0 72px; }
.cta-panel {
  background: linear-gradient(120deg, #EFF4FB 0%, #F5F9FD 100%);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 48px; display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.cta-left h2 { font-size: 26px; font-weight: 700; color: var(--deep-blue); margin: 0 0 8px; }
.cta-left p { font-size: 14px; color: var(--muted); margin: 0; max-width: 380px; line-height: 1.7; }
.cta-form { display: flex; gap: 12px; flex-wrap: wrap; min-width: 300px; flex: 1; max-width: 520px; }
.cta-form input[type="email"] {
  height: 46px; padding: 0 16px; border: 1px solid var(--border);
  border-radius: 10px; font-size: 14px; background: #fff; flex: 1; min-width: 200px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.cta-form input[type="email"]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.cta-form select {
  height: 46px; padding: 0 36px 0 14px; border: 1px solid var(--border);
  border-radius: 10px; font-size: 14px; background: #fff;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235B6B7C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.cta-form select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.cta-form .btn-primary { height: 46px; padding: 0 28px; }
.form-msg { font-size: 13px; color: var(--success); margin-top: 6px; display: none; }
.form-msg.show { display: block; }

/* ===== 页尾推荐 ===== */
.recommend-section { padding: 48px 0 72px; }
.rec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rec-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-card); overflow: hidden;
  box-shadow: var(--shadow-card); transition: box-shadow .25s ease, transform .2s ease;
}
.rec-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.rec-card .rec-thumb { height: 150px; background: var(--light-blue); overflow: hidden; }
.rec-card .rec-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.rec-card:hover .rec-thumb img { transform: scale(1.05); }
.rec-card .rec-body { padding: 18px; }
.rec-card h3 { font-size: 16px; font-weight: 600; color: var(--text); margin: 0 0 6px; }
.rec-card p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.6; }

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg); color: rgba(255,255,255,0.75);
  padding: 60px 0 0; font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-logo svg { width: 22px; height: 22px; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 320px; margin: 0; }
.footer-col h5 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.65); transition: color .2s ease; }
.footer-col ul a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; color: rgba(255,255,255,0.45); font-size: 13px; flex-wrap: wrap; gap: 10px; }
.footer-bottom .domain { font-variant-numeric: tabular-nums; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .category-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .sidebar-card { margin-bottom: 0; }
  .scenario-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .category-hero { padding: 36px 24px; }
  .category-hero h1 { font-size: 26px; }
  .sidebar { grid-template-columns: 1fr; }
  .gallery-grid .view-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-panel { padding: 32px 24px; flex-direction: column; align-items: stretch; }
  .cta-form { min-width: 100%; }
  .content-card { flex-direction: column; }
  .content-card .thumb { width: 100%; height: 180px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .view-switch { margin-left: 0; justify-content: flex-end; }
}
@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .feature-item { padding: 20px 16px; }
  .rec-grid { grid-template-columns: 1fr; }
  .header-cta { display: none; }
  .container { padding-left: 16px; padding-right: 16px; }
  .category-hero .stat-badges { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
  .scenario-card { padding: 24px 20px; }
  .category-hero h1 { font-size: 22px; }
}