/* roulang page: index */
:root {
    --bg: #0a0d11;
    --bg-soft: #0f1319;
    --surface: #141921;
    --surface-2: #1b2129;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);
    --text: #eef2f6;
    --text-soft: rgba(238, 242, 246, 0.74);
    --text-mute: rgba(238, 242, 246, 0.45);
    --accent: #d9b36a;
    --accent-strong: #efcb83;
    --accent-rgb: 217, 179, 106;
    --accent-soft: rgba(217, 179, 106, 0.1);
    --radius: 8px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
    --ease: cubic-bezier(0.22, 0.68, 0.32, 1);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.75;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

  img,
  svg {
    max-width: 100%;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul,
  ol {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  button,
  input,
  textarea,
  select {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    outline: none;
  }

  button {
    cursor: pointer;
  }

  ::selection {
    background: rgba(217, 179, 106, 0.25);
    color: #fff;
  }

  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .page-shell {
    margin-left: 220px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .page-main {
    flex: 1 1 auto;
    width: 100%;
  }

  .container-x {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding-left: clamp(20px, 4vw, 40px);
    padding-right: clamp(20px, 4vw, 40px);
  }

  .skip-link {
    position: fixed;
    left: 12px;
    top: -100px;
    z-index: 999;
    background: var(--surface);
    border: 1px solid var(--line-strong);
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    transition: top 0.2s var(--ease);
  }

  .skip-link:focus {
    top: 12px;
  }

  /* ============ 左侧导航 ============ */
  .site-header {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 80;
    width: 220px;
    display: flex;
    flex-direction: column;
    background: #0c1015;
    border-right: 1px solid var(--line);
  }

  .header-brand {
    padding: 28px 20px 18px;
    border-bottom: 1px solid var(--line);
  }

  .brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .brand-symbol {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 6px;
    border: 1px solid rgba(217, 179, 106, 0.55);
    color: var(--accent);
    border-radius: 9px;
    font-weight: 700;
    font-size: 19px;
    letter-spacing: -0.5px;
    background: rgba(217, 179, 106, 0.06);
  }

  .brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
  }

  .header-nav-wrap {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    padding: 20px 12px 12px;
    overflow-y: auto;
  }

  .side-nav-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--text-mute);
    text-transform: uppercase;
    padding: 0 10px 10px;
  }

  .side-nav-title::before {
    content: "";
    width: 16px;
    height: 1px;
    background: rgba(217, 179, 106, 0.55);
  }

  .nav-list {
    display: grid;
    gap: 4px;
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 12px;
    border-radius: 8px;
    border-left: 2px solid transparent;
    color: var(--text-soft);
    font-size: 15px;
    font-weight: 500;
    transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
  }

  .nav-item .nav-index {
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--text-mute);
    transition: color 0.2s var(--ease);
  }

  .nav-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
  }

  .nav-item:hover .nav-index {
    color: var(--accent);
  }

  .nav-item.active {
    background: linear-gradient(90deg, rgba(217, 179, 106, 0.14), rgba(217, 179, 106, 0.02));
    color: #fff;
    border-left-color: var(--accent);
  }

  .nav-item.active .nav-index {
    color: var(--accent);
  }

  .header-bottom {
    padding: 14px 16px 22px;
    border-top: 1px solid var(--line);
  }

  .header-bottom .mini-copy {
    font-size: 13px;
    color: var(--text-mute);
    line-height: 1.6;
    margin-bottom: 10px;
  }

  .header-bottom .btn {
    width: 100%;
  }

  .header-copy {
    margin-top: 10px;
    font-size: 11px;
    color: var(--text-mute);
    text-align: center;
    letter-spacing: 0.06em;
  }

  /* 移动端菜单按钮 */
  .mobile-topbar {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 95;
    height: 60px;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 13, 17, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }

  .mobile-menu-btn {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .menu-close {
    display: none;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--line);
    color: var(--text-soft);
    font-size: 20px;
    z-index: 10;
  }

  .menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 75;
    background: rgba(0, 0, 0, 0.54);
  }

  @media (max-width: 1023.98px) {
    .site-header {
      width: min(320px, 86vw);
      top: 60px;
      bottom: 0;
      transform: translateX(-110%);
      transition: transform 0.35s var(--ease);
      box-shadow: var(--shadow);
    }

    .site-header.is-open {
      transform: translateX(0);
    }

    .menu-close {
      display: flex;
    }

    .menu-backdrop.show {
      display: block;
    }

    .page-shell {
      margin-left: 0;
      padding-top: 60px;
    }

    .mobile-topbar {
      display: flex;
    }
  }

  /* ============ 通用板块 ============ */
  .site-section {
    padding: clamp(72px, 10vh, 116px) 0;
  }

  .section-head {
    max-width: 760px;
    margin-bottom: clamp(34px, 6vw, 64px);
  }

  .section-head.wide {
    max-width: none;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
  }

  .kicker {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
    font-weight: 600;
  }

  .kicker::before {
    content: "";
    display: inline-block;
    width: 26px;
    height: 1px;
    background: var(--accent);
    opacity: 0.8;
  }

  .section-head h2,
  .section-title {
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.28;
    letter-spacing: -0.02em;
    color: #fff;
    font-weight: 650;
    margin: 0 0 14px;
    text-wrap: balance;
  }

  .section-head p {
    color: var(--text-soft);
    font-size: 15px;
    max-width: 720px;
    margin: 0;
  }

  .section-head .link-more {
    margin: 0;
    font-size: 14px;
  }

  /* ============ 按钮 ============ */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.01em;
    text-align: center;
    transition: background 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease), transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--accent);
    color: #1b1406;
    box-shadow: 0 8px 26px rgba(10, 8, 2, 0.28);
  }

  .btn-primary:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.34);
  }

  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: none;
  }

  .btn-outline {
    border: 1px solid var(--line-strong);
    color: #f1f3f6;
    background: rgba(255, 255, 255, 0.02);
  }

  .btn-outline:hover {
    border-color: rgba(217, 179, 106, 0.75);
    color: var(--accent-strong);
    background: var(--accent-soft);
  }

  .btn-outline:active {
    transform: translateY(1px);
  }

  .btn-lg {
    min-height: 54px;
    padding: 0 28px;
    border-radius: 10px;
    font-size: 15px;
  }

  .link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.22s var(--ease), color 0.22s var(--ease);
  }

  .link-more:hover {
    color: var(--accent-strong);
    gap: 10px;
  }

  .link-more .arrow {
    transition: transform 0.22s var(--ease);
  }

  .link-more:hover .arrow {
    transform: translateX(3px);
  }

  /* ============ Hero ============ */
  .hero-section {
    position: relative;
    isolation: isolate;
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: 84px 0 64px;
    background-color: #0a0d11;
    background-image: linear-gradient(100deg, rgba(10, 13, 17, 0.97) 30%, rgba(10, 13, 17, 0.68) 78%, rgba(10, 13, 17, 0.5) 100%), url("/assets/images/backpic/back-1.jpg");
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--line);
  }

  .giant-watermark {
    position: absolute;
    right: -20px;
    top: 6%;
    font-size: clamp(120px, 16vw, 230px);
    font-weight: 800;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.055);
    pointer-events: none;
    z-index: -1;
    letter-spacing: -0.05em;
  }

  .hero-title {
    font-size: clamp(28px, 4.6vw, 50px);
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: #fff;
    font-weight: 680;
    margin: 0 0 20px;
    max-width: 740px;
    text-wrap: balance;
  }

  .hero-lead {
    color: var(--text-soft);
    font-size: 16px;
    line-height: 1.9;
    max-width: 660px;
    margin: 0 0 28px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
  }

  .hero-note {
    font-size: 13px;
    color: var(--text-mute);
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 40px;
  }

  .hero-note::before {
    content: "✓";
    color: var(--accent);
    font-size: 12px;
  }

  .hero-select-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 28px;
  }

  .hero-option {
    background: rgba(21, 25, 32, 0.72);
    backdrop-filter: blur(12px);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    position: relative;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
  }

  .hero-option:hover {
    transform: translateY(-4px);
    background: rgba(26, 31, 39, 0.8);
  }

  .hero-option.recommended {
    background: linear-gradient(145deg, rgba(217, 179, 106, 0.16), rgba(16, 20, 26, 0.92) 40%);
    border-color: rgba(217, 179, 106, 0.62);
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.2);
  }

  .option-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    font-size: 12px;
    color: var(--text-mute);
  }

  .option-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(217, 179, 106, 0.16);
    border: 1px solid rgba(217, 179, 106, 0.42);
    color: var(--accent);
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
  }

  .hero-option h3 {
    margin: 0 0 8px;
    font-size: 18px;
    color: #fff;
    font-weight: 640;
  }

  .hero-option p {
    margin: 0 0 14px;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.8;
  }

  .option-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-soft);
    transition: color 0.2s var(--ease), gap 0.2s var(--ease);
  }

  .option-link:hover {
    color: var(--accent-strong);
    gap: 9px;
  }

  .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 28px 42px;
    margin-top: 42px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }

  .stat-item {
    display: flex;
    align-items: baseline;
    gap: 10px;
  }

  .stat-num {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
  }

  .stat-num .small {
    font-size: 15px;
    font-weight: 500;
    color: var(--accent);
  }

  .stat-name {
    font-size: 13px;
    color: var(--text-mute);
  }

  @media (max-width: 1023.98px) {
    .hero-section {
      padding: 60px 0 40px;
    }

    .hero-select-grid {
      grid-template-columns: 1fr;
    }

    .hero-stats {
      gap: 18px 24px;
    }
  }

  @media (max-width: 767.98px) {
    .hero-section {
      min-height: auto;
    }

    .hero-title {
      font-size: 30px;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .hero-actions .btn {
      width: 100%;
    }
  }

  /* ============ 卡片与标记 ============ */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--accent);
    background: rgba(217, 179, 106, 0.08);
    border: 1px solid rgba(217, 179, 106, 0.3);
  }

  .tag-soft {
    display: inline-block;
    font-size: 12px;
    color: var(--text-soft);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 4px 10px;
  }

  /* ============ 资料目录 ============ */
  .catalog-panel {
    display: grid;
    grid-template-columns: minmax(280px, 0.85fr) 1.8fr;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-soft);
  }

  .catalog-image {
    min-height: 100%;
    background: #141a21;
  }

  .catalog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 280px;
  }

  .catalog-list {
    padding: 28px;
  }

  .category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 13px 15px;
    min-height: 60px;
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
  }

  .category-link:hover {
    border-color: rgba(217, 179, 106, 0.35);
    background: rgba(217, 179, 106, 0.06);
  }

  .category-info strong {
    display: block;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
  }

  .category-info span {
    display: block;
    color: var(--text-mute);
    font-size: 12px;
    line-height: 1.6;
  }

  .category-arrow {
    color: var(--text-mute);
    transition: color 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .category-link:hover .category-arrow {
    color: var(--accent);
    transform: translateX(3px);
  }

  @media (max-width: 1023.98px) {
    .catalog-panel {
      grid-template-columns: 1fr;
    }

    .catalog-image {
      max-height: 340px;
      overflow: hidden;
    }

    .category-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 600px) {
    .category-grid {
      grid-template-columns: 1fr;
    }

    .catalog-list {
      padding: 20px;
    }
  }

  /* ============ 卖点卡 ============ */
  .value-section {
    background: #0b0e13;
  }

  .point-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.022), transparent 60%);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 28px 24px;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), background 0.32s var(--ease);
  }

  .point-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.035);
    border-color: rgba(217, 179, 106, 0.3);
  }

  .point-no {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--accent);
    font-size: 15px;
    letter-spacing: 0.06em;
    font-weight: 600;
    margin-bottom: 20px;
  }

  .point-no::after {
    content: "";
    width: 24px;
    height: 1px;
    background: rgba(217, 179, 106, 0.5);
  }

  .point-no .big {
    font-size: 38px;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(217, 179, 106, 0.45);
  }

  .point-card h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 620;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
  }

  .point-card p {
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.85;
    margin: 0 0 18px;
  }

  .point-line {
    border-left: 2px solid rgba(217, 179, 106, 0.6);
    background: rgba(255, 255, 255, 0.025);
    padding: 10px 14px;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.7;
  }

  /* ============ 场景演示 ============ */
  .scene-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: clamp(30px, 6vw, 60px) 0;
    border-bottom: 1px solid var(--line);
  }

  .scene-row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .scene-index {
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
  }

  .scene-row h3 {
    color: #fff;
    font-size: clamp(22px, 2.6vw, 30px);
    margin: 10px 0 16px;
    letter-spacing: -0.01em;
    line-height: 1.35;
  }

  .scene-row .scene-desc {
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 18px;
  }

  .scene-steps {
    display: grid;
    gap: 12px;
  }

  .scene-step {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.018);
  }

  .scene-step i {
    flex: 0 0 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(217, 179, 106, 0.13);
    border: 1px solid rgba(217, 179, 106, 0.36);
    color: var(--accent);
    font-style: normal;
    font-size: 12px;
    line-height: 1.8;
    text-align: center;
  }

  .scene-step strong {
    color: #fff;
    font-size: 14px;
    display: block;
    margin-bottom: 2px;
  }

  .scene-step span {
    color: var(--text-mute);
    font-size: 13px;
    line-height: 1.7;
  }

  .scene-visual {
    position: relative;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    min-height: 340px;
  }

  .scene-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 340px;
  }

  .state-chip {
    position: absolute;
    left: 14px;
    top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(10, 13, 17, 0.7);
    backdrop-filter: blur(10px);
    padding: 6px 13px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 12px;
  }

  .state-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(217, 179, 106, 0.16);
  }

  .mock-panel {
    position: absolute;
    right: 18px;
    bottom: 18px;
    width: 210px;
    background: rgba(13, 17, 22, 0.82);
    backdrop-filter: blur(14px);
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    padding: 14px;
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.36);
  }

  .mock-panel li {
    font-size: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-soft);
  }

  .mock-panel li:last-child {
    border-bottom: 0;
  }

  .mock-label {
    color: rgba(238, 242, 246, 0.38);
    font-size: 10px;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
  }

  @media (max-width: 1023.98px) {
    .scene-row {
      grid-template-columns: 1fr;
      gap: 22px;
    }

    .scene-visual {
      min-height: 280px;
    }

    .scene-visual img {
      min-height: 280px;
    }
  }

  @media (max-width: 560px) {
    .mock-panel {
      width: 175px;
    }
  }

  /* ============ 资讯 ============ */
  .news-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .news-list {
    display: grid;
    border-top: 1px solid var(--line);
  }

  .news-item {
    border-bottom: 1px solid var(--line);
    transition: background 0.22s var(--ease);
    padding: 4px 4px;
    border-radius: 6px;
  }

  .news-item:hover {
    background: rgba(255, 255, 255, 0.022);
  }

  .news-link {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 18px;
    padding: 18px 6px;
  }

  .news-date {
    font-size: 12px;
    color: var(--text-mute);
    padding-top: 4px;
  }

  .news-link h3 {
    color: #fff;
    font-size: 17px;
    font-weight: 620;
    margin: 0 0 6px;
    line-height: 1.45;
    transition: color 0.2s var(--ease);
  }

  .news-link:hover h3 {
    color: var(--accent-strong);
  }

  .news-link p {
    color: var(--text-soft);
    font-size: 14px;
    margin: 0;
    line-height: 1.7;
  }

  .side-panel {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--bg-soft);
    padding: 22px;
  }

  .side-panel + .side-panel {
    margin-top: 16px;
  }

  .side-panel h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 16px;
    margin: 0 0 14px;
  }

  .side-panel h3::before {
    content: "";
    width: 14px;
    height: 2px;
    background: var(--accent);
  }

  .side-links {
    display: grid;
  }

  .side-links a {
    padding: 10px 2px;
    border-bottom: 1px solid var(--line);
    color: var(--text-soft);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
  }

  .side-links a:hover {
    color: var(--accent-strong);
    padding-left: 6px;
  }

  .side-note {
    background: rgba(217, 179, 106, 0.08);
    border: 1px solid rgba(217, 179, 106, 0.16);
    padding: 13px 14px;
    border-radius: 10px;
    font-size: 13px;
    color: var(--text-soft);
    line-height: 1.8;
    margin: 4px 0 0;
  }

  @media (max-width: 991.98px) {
    .news-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ============ 社会认同 / 使用评价 ============ */
  .quote-section {
    background: linear-gradient(180deg, rgba(217, 179, 106, 0.045), transparent 100%);
  }

  .quote-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .quote-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.02);
  }

  .quote-card blockquote {
    margin: 0;
    color: var(--text);
    font-size: 17px;
    line-height: 1.85;
  }

  .quote-card figcaption {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    color: var(--text-mute);
    font-size: 13px;
    white-space: nowrap;
    padding-left: 20px;
  }

  .quote-mark {
    font-size: 52px;
    line-height: 0.7;
    color: var(--accent);
    opacity: 0.45;
  }

  @media (max-width: 767.98px) {
    .quote-card {
      grid-template-columns: 1fr;
    }

    .quote-card figcaption {
      justify-content: flex-start;
      padding-left: 0;
    }
  }

  /* ============ 表单与留资 ============ */
  .form-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .form-card {
    border: 1px solid var(--line-strong);
    border-radius: 18px;
    background: rgba(20, 25, 33, 0.76);
    padding: clamp(22px, 4vw, 34px);
    box-shadow: var(--shadow);
  }

  .form-field {
    margin-bottom: 18px;
  }

  .form-field label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-soft);
    font-weight: 500;
  }

  .form-field input,
  .form-field textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.24);
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    padding: 12px 14px;
    color: #fff;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
  }

  .form-field input::placeholder,
  .form-field textarea::placeholder {
    color: rgba(238, 242, 246, 0.34);
  }

  .form-field input:focus,
  .form-field textarea:focus {
    border-color: rgba(217, 179, 106, 0.66);
    box-shadow: 0 0 0 3px rgba(217, 179, 106, 0.14);
    background: rgba(0, 0, 0, 0.34);
  }

  .form-field textarea {
    min-height: 120px;
    resize: vertical;
  }

  .form-privacy {
    font-size: 12px;
    color: var(--text-mute);
    margin-top: 14px;
  }

  .form-success {
    background: rgba(217, 179, 106, 0.12);
    border: 1px solid rgba(217, 179, 106, 0.3);
    border-radius: 10px;
    padding: 14px 18px;
    color: var(--accent-strong);
    font-size: 14px;
    margin: 16px 0 0;
  }

  .form-help-list {
    display: grid;
    gap: 14px;
    padding-top: 4px;
  }

  .form-help-list li {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 12px;
    align-items: flex-start;
  }

  .form-help-list li i {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(217, 179, 106, 0.1);
    border: 1px solid rgba(217, 179, 106, 0.32);
    color: var(--accent);
    font-style: normal;
    font-size: 13px;
    font-weight: 600;
  }

  @media (max-width: 991.98px) {
    .form-area {
      grid-template-columns: 1fr;
    }
  }

  /* ============ FAQ ============ */
  .faq-list {
    display: grid;
    gap: 10px;
  }

  .faq-item {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.016);
    overflow: hidden;
  }

  .faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    list-style: none;
    padding: 17px 18px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s var(--ease);
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "+";
    flex: 0 0 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid rgba(217, 179, 106, 0.45);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    transition: transform 0.26s var(--ease), background 0.26s var(--ease);
  }

  .faq-item summary:hover {
    background: rgba(217, 179, 106, 0.04);
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
    background: rgba(217, 179, 106, 0.13);
  }

  .faq-answer {
    padding: 0 18px 18px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.85;
    border-top: 1px solid transparent;
  }

  .faq-item[open] .faq-answer {
    border-top-color: rgba(0, 0, 0, 0);
  }

  /* ============ 转化CTA ============ */
  .cta-panel {
    position: relative;
    background-color: #0b1015;
    background-image: linear-gradient(100deg, rgba(9, 12, 16, 0.98), rgba(15, 20, 26, 0.92)), url("/assets/images/backpic/back-7.jpg");
    background-size: cover;
    background-position: center;
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: clamp(30px, 6vw, 72px);
    overflow: hidden;
  }

  .cta-title {
    color: #fff;
    font-size: clamp(24px, 3vw, 38px);
    line-height: 1.3;
    margin: 0 0 16px;
    max-width: 620px;
    font-weight: 650;
  }

  .cta-panel p {
    color: var(--text-soft);
    max-width: 570px;
    margin-bottom: 26px;
    font-size: 15px;
    line-height: 1.9;
  }

  .cta-panel .btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  @media (max-width: 639.98px) {
    .cta-panel .btn-group {
      flex-direction: column;
      align-items: stretch;
    }
  }

  /* ============ 页脚 ============ */
  .site-footer {
    border-top: 1px solid var(--line);
    background: #080b0f;
    margin-top: 40px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
    padding: 50px 0 30px;
  }

  .footer-brand p {
    color: var(--text-mute);
    font-size: 14px;
    max-width: 320px;
    line-height: 1.85;
    margin: 14px 0 0;
  }

  .footer-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.02em;
    margin: 0 0 14px;
  }

  .footer-links {
    display: grid;
    gap: 8px;
  }

  .footer-links a {
    color: var(--text-mute);
    font-size: 13px;
    transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
  }

  .footer-links a:hover {
    color: var(--accent-strong);
    padding-left: 3px;
  }

  .footer-bottom {
    border-top: 1px solid var(--line);
    padding: 18px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--text-mute);
    font-size: 12px;
  }

  @media (max-width: 767.98px) {
    .footer-grid {
      grid-template-columns: 1fr;
      padding: 36px 0 24px;
    }
  }

  /* ============ 底部固定转化条 ============ */
  .floating-cta {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 60;
    background: rgba(17, 21, 28, 0.88);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(217, 179, 106, 0.22);
    border-radius: 14px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4);
    padding: 11px 12px 11px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }

  .floating-cta.is-hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
  }

  .floating-cta .cta-text {
    font-size: 13px;
    color: var(--text-soft);
    line-height: 1.6;
  }

  .floating-cta .btn {
    min-height: 38px;
    padding: 0 15px;
    font-size: 13px;
  }

  .floating-close {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    border-radius: 8px;
    color: var(--text-mute);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
  }

  .floating-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }

  @media (min-width: 1024px) {
    .floating-cta {
      left: 244px;
      right: 24px;
      bottom: 18px;
      max-width: 640px;
      margin-left: auto;
    }
  }

  @media (max-width: 560px) {
    .floating-cta .cta-text {
      font-size: 12px;
    }

    .floating-cta .btn {
      white-space: nowrap;
      padding: 0 12px;
    }
  }

  /* ============ 动效与降级 ============ */
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  }

  .reveal.is-in {
    opacity: 1;
    transform: none;
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }

    .reveal {
      opacity: 1;
      transform: none;
    }
  }

/* roulang page: category1 */
:root {
  --bg: #0a0d11;
  --bg-soft: #0f1319;
  --surface: #141921;
  --surface-2: #1b2129;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eef2f6;
  --text-soft: rgba(238, 242, 246, 0.74);
  --text-mute: rgba(238, 242, 246, 0.45);
  --accent: #d9b36a;
  --accent-strong: #efcb83;
  --accent-rgb: 217, 179, 106;
  --accent-soft: rgba(217, 179, 106, 0.1);
  --radius: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --ease: cubic-bezier(0.22, 0.68, 0.32, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll {
  overflow: hidden;
}
img,
svg {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  outline: none;
}
button {
  cursor: pointer;
}
ul,
ol,
p,
h1,
h2,
h3,
h4 {
  margin: 0;
}
h1,h2,h3,h4 {
  font-weight: 650;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.page-main {
  width: 100%;
}
.container-x {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-left: clamp(20px, 4vw, 40px);
  padding-right: clamp(20px, 4vw, 40px);
}
.page-shell {
  margin-left: 220px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
/* ============ 左侧导航 ============ */
.site-header {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 80;
  width: 220px;
  display: flex;
  flex-direction: column;
  background: #0c1015;
  border-right: 1px solid var(--line);
}
.header-brand {
  padding: 28px 20px 18px;
  border-bottom: 1px solid var(--line);
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 6px;
  border: 1px solid rgba(217, 179, 106, 0.55);
  color: var(--accent);
  border-radius: 9px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.5px;
  background: rgba(217, 179, 106, 0.06);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
}
.header-nav-wrap {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  padding: 20px 12px 12px;
  overflow-y: auto;
}
.side-nav-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-mute);
  text-transform: uppercase;
  padding: 0 10px 10px;
}
.side-nav-title::before {
  content: "";
  width: 16px;
  height: 1px;
  background: rgba(217, 179, 106, 0.55);
}
.nav-list {
  display: grid;
  gap: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 12px;
  border-radius: 8px;
  border-left: 2px solid transparent;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.nav-item .nav-index {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  transition: color 0.2s var(--ease);
}
.nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}
.nav-item:hover .nav-index {
  color: var(--accent);
}
.nav-item:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: -2px;
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(217, 179, 106, 0.14), rgba(217, 179, 106, 0.02));
  color: #fff;
  border-left-color: var(--accent);
}
.nav-item.active .nav-index {
  color: var(--accent);
}
.header-bottom {
  padding: 14px 16px 22px;
  border-top: 1px solid var(--line);
}
.header-bottom .mini-copy {
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.6;
  margin-bottom: 10px;
}
.header-bottom .btn {
  width: 100%;
}
.header-copy {
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 0.06em;
}
/* ============ 移动端顶栏与抽屉 ============ */
.mobile-topbar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 95;
  height: 60px;
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 13, 17, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.mobile-menu-btn {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.mobile-menu-btn span {
  display: block;
  width: 17px;
  height: 1.5px;
  background: var(--text-soft);
  border-radius: 2px;
  transition: background 0.2s var(--ease);
}
.mobile-menu-btn:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
}
.mobile-menu-btn:hover span {
  background: #fff;
}
.menu-close {
  display: none;
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 20px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.menu-close:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-strong);
}
.menu-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 75;
  background: rgba(0, 0, 0, 0.54);
}
.menu-backdrop.show {
  display: block;
}
/* ============ 按钮与通用组件 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: #17120a;
  border: 1px solid var(--accent);
}
.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(217, 179, 106, 0.18);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-outline:hover {
  border-color: rgba(217, 179, 106, 0.6);
  color: var(--accent-strong);
  background: rgba(217, 179, 106, 0.06);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-ghost {
  color: var(--text-soft);
  background: transparent;
}
.btn-ghost:hover {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.04);
}
.btn:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
}
section {
  scroll-margin-top: 90px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: rgba(217, 179, 106, 0.7);
}
.section-title {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
  color: #fff;
}
.text-soft {
  color: var(--text-soft);
}
.text-mute {
  color: var(--text-mute);
}
/* ============ 分类页 Hero ============ */
.category-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(60px, 8vh, 88px) 0 44px;
  overflow: hidden;
}
.category-hero .hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(10, 13, 17, 0.84) 0%, rgba(10, 13, 17, 0.94) 60%, var(--bg) 100%);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: var(--text-soft);
  transition: color 0.2s var(--ease);
}
.breadcrumb a:hover {
  color: var(--accent-strong);
}
.breadcrumb .sep {
  opacity: 0.5;
}
.breadcrumb .current {
  color: var(--text);
}
.category-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 18px 0 18px;
  font-weight: 700;
}
.hero-copy .lead {
  font-size: 16px;
  color: var(--text-soft);
  max-width: 580px;
  line-height: 1.9;
}
.hero-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.hero-visual {
  position: relative;
}
.hero-visual-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  background: var(--surface-2);
}
.hero-visual-frame .visual-img {
  width: 100%;
  height: 330px;
  object-fit: cover;
  display: block;
}
.hero-visual-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 13, 17, 0.82) 0%, rgba(10, 13, 17, 0.12) 60%);
}
.visual-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
}
.visual-caption .cap-tag {
  border: 1px solid rgba(238, 242, 246, 0.28);
  background: rgba(10, 13, 17, 0.24);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.1em;
}
.hero-fact-card {
  position: absolute;
  top: -16px;
  right: -10px;
  z-index: 3;
  background: rgba(20, 25, 33, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(217, 179, 106, 0.35);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  min-width: 150px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
}
.hero-fact-card .fact-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-strong);
  line-height: 1.1;
}
.hero-fact-card .fact-label {
  font-size: 12px;
  color: var(--text-soft);
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 52px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-metric {
  padding: 16px 18px 16px 0;
  border-right: 1px solid var(--line);
  margin-right: 18px;
}
.hero-metric:last-child {
  border-right: 0;
  margin-right: 0;
}
.hero-metric strong {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}
.hero-metric strong span {
  color: var(--accent);
  font-size: 18px;
  margin-left: 2px;
  font-weight: 600;
}
.hero-metric span {
  font-size: 12px;
  color: var(--text-mute);
}
/* ============ 标签筛选区 ============ */
.catalog-toolbar {
  padding: 12px 0 28px;
}
.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
}
.filter-title .count {
  background: rgba(217, 179, 106, 0.12);
  color: var(--accent);
  border-radius: 999px;
  padding: 1px 9px;
  font-size: 12px;
  font-weight: 500;
}
.chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.2;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}
.tag-chip:hover {
  border-color: rgba(217, 179, 106, 0.4);
  color: #fff;
}
.tag-chip:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}
.tag-chip.active {
  background: rgba(217, 179, 106, 0.12);
  border-color: rgba(217, 179, 106, 0.55);
  color: var(--accent-strong);
  font-weight: 500;
}
/* ============ 内容网格：列表 + 侧栏 ============ */
.catalog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
  padding: 8px 0 clamp(52px, 7vh, 90px);
}
.catalog-primary {
  min-width: 0;
}
.resource-listhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.resource-listhead h2 {
  font-size: 20px;
  color: #fff;
}
.small-note {
  color: var(--text-mute);
  font-size: 13px;
}
.resource-cards {
  display: grid;
  gap: 16px;
}
.resource-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.resource-card:hover {
  border-color: rgba(217, 179, 106, 0.34);
  background: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.resource-thumb {
  width: 122px;
  height: 92px;
  flex: 0 0 122px;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, #1e2631, #252d39);
  border: 1px solid var(--line);
  position: relative;
}
.resource-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.resource-card:hover .resource-thumb img {
  transform: scale(1.04);
}
.resource-thumb .thumb-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(217, 179, 106, 0.35);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  z-index: -1;
}
.resource-card-main {
  flex: 1 1 auto;
  min-width: 0;
}
.resource-card-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}
.mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(217, 179, 106, 0.32);
  background: rgba(217, 179, 106, 0.06);
  border-radius: 999px;
  padding: 2px 9px;
  line-height: 1.4;
}
.mini-badge.soft {
  color: var(--text-soft);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.resource-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 5px;
  letter-spacing: -0.01em;
}
.resource-card p {
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.resource-card-meta {
  margin-top: 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: var(--text-mute);
}
.resource-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.resource-card-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-mute);
  display: inline-block;
}
.resource-arrow {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-soft);
  font-size: 17px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
}
.resource-card:hover .resource-arrow {
  transform: translateX(5px);
  color: var(--accent-strong);
  border-color: rgba(217, 179, 106, 0.5);
  background: rgba(217, 179, 106, 0.06);
}
/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--line);
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-btn:hover {
  border-color: rgba(217, 179, 106, 0.4);
  color: var(--accent-strong);
}
.page-btn:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}
.page-btn.active {
  color: #17120a;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}
.page-btn.disabled {
  opacity: 0.42;
  pointer-events: none;
}
/* 侧栏 */
.catalog-sidebar {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 30px;
}
.side-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.side-card h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:last-child {
  border-bottom: 0;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  color: var(--text);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.55;
  padding: 13px 0;
  transition: color 0.2s var(--ease);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--accent-strong);
}
.faq-item summary::after {
  content: "+";
  color: var(--accent);
  font-size: 17px;
  line-height: 1;
  flex: 0 0 auto;
  font-weight: 400;
}
.faq-item[open] summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg) translateY(-3px);
  font-size: 0;
}
.faq-answer {
  padding: 0 0 14px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.8;
}
.side-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-tag-list .tag-chip {
  padding: 5px 10px;
  font-size: 12px;
}
.entry-guide-list {
  display: grid;
  gap: 12px;
}
.entry-guide-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.65;
}
.guide-no {
  flex: 0 0 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  border: 1px solid rgba(217, 179, 106, 0.4);
  color: var(--accent);
  border-radius: 50%;
}
.entry-guide-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--text-mute);
  font-size: 12px;
  line-height: 1.7;
}
/* ============ 底部长条 CTA ============ */
.category-cta {
  padding: clamp(30px, 6vw, 70px) 0 clamp(88px, 10vh, 116px);
}
.cta-inner {
  position: relative;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(to bottom, rgba(10, 13, 17, 0.88), rgba(10, 13, 17, 0.94)),
    url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
  border-radius: var(--radius-xl);
  padding: clamp(30px, 5vw, 60px);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-inner h2 {
  font-size: clamp(22px, 3vw, 30px);
  color: #fff;
  line-height: 1.3;
  margin-bottom: 10px;
}
.cta-inner p {
  color: var(--text-soft);
  font-size: 14px;
  max-width: 560px;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
/* ============ 页脚 ============ */
.site-footer {
  border-top: 1px solid var(--line);
  background: #0b0e13;
  width: 100%;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 1fr 1fr;
  gap: clamp(24px, 5vw, 70px);
  padding: 60px 0 44px;
}
.footer-brand p {
  color: var(--text-mute);
  font-size: 14px;
  line-height: 1.8;
  max-width: 390px;
  margin-top: 18px;
}
.footer-column .footer-title {
  font-size: 13px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}
.footer-links {
  display: grid;
  gap: 10px;
}
.footer-links a {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s var(--ease);
}
.footer-links a:hover {
  color: var(--accent-strong);
}
.footer-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-mute);
  font-size: 12px;
}
/* ============ 底部固定转化条 ============ */
.bottom-cta {
  position: fixed;
  left: 220px;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 24px;
  background: rgba(13, 17, 22, 0.82);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(217, 179, 106, 0.24);
  transform: translateY(0);
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
  opacity: 1;
}
.bottom-cta.is-hidden {
  transform: translateY(110%);
  opacity: 0;
}
.bottom-cta-copy {
  font-size: 13px;
  color: var(--text-soft);
}
.bottom-cta-copy strong {
  color: #fff;
  font-weight: 600;
}
.bottom-cta .btn-sm {
  display: inline-flex;
  padding: 7px 15px;
  font-size: 13px;
  gap: 6px;
}
.bottom-cta-close {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--text-mute);
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.bottom-cta-close:hover {
  color: #fff;
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
}
/* ============ 响应式 ============ */
@media (max-width: 1120px) {
  .page-shell {
    margin-left: 220px;
  }
  .catalog-layout {
    grid-template-columns: 1fr;
  }
  .catalog-sidebar {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
  .side-card:last-child {
    grid-column: span 2;
  }
}
@media (max-width: 1023.98px) {
  body {
    padding-top: 60px;
  }
  .mobile-topbar {
    display: flex;
  }
  .site-header {
    width: min(320px, 86vw);
    top: 60px;
    bottom: 0;
    transform: translateX(-110%);
    transition: transform 0.35s var(--ease);
    box-shadow: var(--shadow);
  }
  .site-header.is-open {
    transform: translateX(0);
  }
  .menu-close {
    display: flex;
  }
  .menu-backdrop.show {
    display: block;
  }
  .page-shell {
    margin-left: 0;
  }
  .category-hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual-frame .visual-img {
    height: 280px;
  }
  .hero-metrics {
    margin-top: 34px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: span 2;
  }
  .bottom-cta {
    left: 0;
    padding: 10px 14px;
  }
}
@media (max-width: 760px) {
  .category-hero {
    padding-top: 42px;
  }
  .hero-copy h1 {
    font-size: 30px;
  }
  .hero-metric {
    padding: 12px 8px 12px 0;
    margin-right: 8px;
  }
  .hero-metric strong {
    font-size: 21px;
  }
  .hero-metric span {
    font-size: 11px;
  }
  .catalog-sidebar {
    grid-template-columns: 1fr;
  }
  .side-card:last-child {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    padding: 44px 0 32px;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-inner {
    padding: 28px 20px;
  }
}
@media (max-width: 520px) {
  .resource-card {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px;
  }
  .resource-thumb {
    width: 100%;
    height: 150px;
    flex: 1 0 100%;
  }
  .resource-arrow {
    position: absolute;
    right: 12px;
    bottom: 12px;
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    font-size: 15px;
  }
  .resource-card p {
    -webkit-line-clamp: 3;
  }
  .category-hero .hero-strip .btn {
    width: 100%;
  }
  .banner-act {
    width: 100%;
    text-align: center;
  }
  .cta-inner {
    text-align: left;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
  .bottom-cta {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
  }
  .bottom-cta .btn-sm {
    justify-self: end;
  }
  .bottom-cta-close {
    display: none;
  }
  .bottom-cta-copy {
    font-size: 12px;
  }
  .hero-visual-frame .visual-img {
    height: 220px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-delay: -1ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}