/* roulang page: index */
:root {
    --primary: #4889A3;
    --primary-deep: #2C6E8A;
    --primary-soft: #DEEBF0;
    --accent: #E38C4D;
    --bg: #F5F8FA;
    --surface: #FFFFFF;
    --text-main: #1C2C36;
    --text-sub: #55707E;
    --border-line: #DCE6EB;
    --state-error: #D64545;
    --state-success: #2F9E6B;
    --radius-card: 12px;
    --radius-lg: 16px;
    --radius-btn: 10px;
    --shadow-card: 0 4px 20px rgba(28, 44, 54, 0.06);
    --shadow-card-hover: 0 8px 32px rgba(28, 44, 54, 0.12);
    --shadow-dock: 0 10px 40px rgba(28, 44, 54, 0.10);
  }
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img {
    display: block;
    max-width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
  }
  a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
  }
  a:hover {
    color: var(--primary-deep);
  }
  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }
  input {
    font-family: inherit;
    border: none;
    outline: none;
  }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
    transition: all 0.25s ease;
    min-height: 48px;
    box-shadow: 0 2px 8px rgba(227, 140, 77, 0.25);
  }
  .btn-primary:hover {
    background: var(--accent);
    filter: brightness(1.08);
    box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35);
    transform: translateY(-1px);
    color: #fff;
  }
  .btn-primary:active {
    transform: translateY(0) scale(0.98);
    filter: brightness(0.96);
  }
  .btn-primary:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
    min-height: 48px;
    transition: all 0.25s ease;
  }
  .btn-secondary:hover {
    background: var(--primary-soft);
    border-color: var(--primary-deep);
    color: var(--primary-deep);
  }
  .btn-secondary:active {
    transform: scale(0.98);
  }
  .btn-secondary:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }
  .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
  }
  .btn-text:hover {
    color: var(--primary-deep);
    gap: 8px;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 999px;
    line-height: 1.6;
  }
  .badge-accent {
    background: rgba(227, 140, 77, 0.12);
    color: var(--accent);
  }
  .card {
    background: var(--surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(220, 230, 235, 0.6);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
  }
  .card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
  }
  .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  .card:hover .card-img img {
    transform: scale(1.03);
  }
  .section {
    padding: 96px 0;
  }
  .section-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
  }
  .section-sub {
    font-size: 1rem;
    color: var(--text-sub);
    line-height: 1.8;
    max-width: 640px;
  }
  .stat-num {
    font-family: Inter, "Helvetica Neue", Arial, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
  }
  .icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all 0.3s ease;
    flex-shrink: 0;
  }
  .dock-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    background: var(--surface);
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 8px 20px;
    box-shadow: var(--shadow-dock);
    transition: all 0.3s ease;
    border: 1px solid rgba(220, 230, 235, 0.5);
    max-width: calc(100vw - 32px);
  }
  .dock-nav.scrolled {
    padding: 4px 16px;
    box-shadow: 0 14px 48px rgba(28, 44, 54, 0.14);
  }
  .dock-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 32px;
    flex-shrink: 0;
  }
  .dock-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    font-family: Inter, sans-serif;
  }
  .dock-logo-text {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }
  .dock-links {
    display: flex;
    align-items: center;
    gap: 20px;
    list-style: none;
  }
  .dock-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-sub);
    padding: 4px 2px;
    position: relative;
    transition: color 0.2s;
  }
  .dock-links a:hover {
    color: var(--primary);
  }
  .dock-links a.active {
    color: var(--primary);
    font-weight: 600;
  }
  .dock-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 4px;
    border-radius: 4px;
    background: var(--primary);
  }
  .dock-right {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .dock-search {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    transition: all 0.2s;
  }
  .dock-search:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }
  .dock-cta {
    background: var(--accent);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 999px;
    transition: all 0.25s;
    white-space: nowrap;
  }
  .dock-cta:hover {
    filter: brightness(1.08);
    box-shadow: 0 4px 16px rgba(227, 140, 77, 0.35);
    color: #fff;
    transform: translateY(-1px);
  }
  .dock-cta:active {
    transform: scale(0.97);
  }
  .dock-cta:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
  }
  .menu-toggle:hover {
    background: var(--primary-soft);
  }
  .mobile-panel {
    display: none;
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card-hover);
    border: 1px solid var(--border-line);
    padding: 24px;
    z-index: 49;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-panel.open {
    display: flex;
  }
  .mobile-panel a {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-main);
    font-weight: 500;
  }
  .mobile-panel a:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }
  .mobile-panel a.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
  }
  .hero-section {
    position: relative;
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: center;
    background: var(--bg);
    padding: 140px 0 60px;
    overflow: hidden;
  }
  .hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--primary-soft);
    opacity: 0.5;
  }
  .hero-section::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -120px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--primary-soft);
    opacity: 0.35;
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  .hero-img-wrap {
    position: relative;
    z-index: 2;
  }
  .hero-img-wrap img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card-hover);
  }
  .hero-stat-wrap {
    display: flex;
    gap: 32px;
    margin-top: 40px;
    flex-wrap: wrap;
  }
  .faq-item {
    background: var(--surface);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: box-shadow 0.2s;
  }
  .faq-item:hover {
    box-shadow: var(--shadow-card);
  }
  .faq-q {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: 16px;
  }
  .faq-q .icon-plus {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.25s ease;
    font-weight: 300;
    line-height: 1;
    flex-shrink: 0;
  }
  .faq-item.open .faq-q .icon-plus {
    transform: rotate(45deg);
  }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin 0.3s ease;
    color: var(--text-sub);
    font-size: 0.9375rem;
    line-height: 1.8;
  }
  .faq-item.open .faq-a {
    max-height: 500px;
    margin-top: 12px;
  }
  .cta-section {
    background: var(--primary-deep);
    border-radius: var(--radius-lg);
    padding: 72px 48px;
    text-align: center;
  }
  .cta-section h2 {
    color: #fff;
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
  }
  .cta-section p {
    color: rgba(255,255,255,0.8);
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 1rem;
    line-height: 1.8;
  }
  .cta-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
    justify-content: center;
  }
  .cta-form input {
    flex: 1;
    height: 48px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-btn);
    padding: 0 16px;
    font-size: 1rem;
    color: var(--text-main);
    background: #fff;
    transition: all 0.25s ease;
    min-width: 0;
  }
  .cta-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(227, 140, 77, 0.2);
  }
  .cta-form input::placeholder {
    color: #9AB0BC;
  }
  .cta-form .btn-primary {
    flex-shrink: 0;
    min-width: 140px;
  }
  .error-msg {
    color: var(--state-error);
    font-size: 0.8125rem;
    margin-top: 8px;
    display: none;
  }
  .footer {
    background: #20343E;
    padding: 64px 0 0;
    margin-top: 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
  }
  .footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .footer p,
  .footer a {
    color: rgba(255,255,255,0.65);
    font-size: 0.875rem;
    line-height: 1.8;
  }
  .footer a:hover {
    color: var(--accent);
  }
  .footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .footer-copy {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    color: rgba(255,255,255,0.4);
    font-size: 0.8125rem;
  }
  .cms-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .cms-item {
    display: flex;
    gap: 20px;
    background: var(--surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-line);
    padding: 16px;
    transition: all 0.3s ease;
    align-items: flex-start;
  }
  .cms-item:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
    border-color: var(--primary);
  }
  .cms-item-cover {
    width: 120px;
    height: 90px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    overflow: hidden;
  }
  .cms-item-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .cms-item-body {
    flex: 1;
    min-width: 0;
  }
  .cms-item-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.5;
    margin-bottom: 6px;
    transition: color 0.2s;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .cms-item-title:hover {
    color: var(--primary);
  }
  .cms-item-excerpt {
    font-size: 0.875rem;
    color: var(--text-sub);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
  }
  .cms-item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    color: #94AAB6;
  }
  .cms-empty {
    border: 2px dashed var(--border-line);
    border-radius: var(--radius-card);
    padding: 48px 24px;
    text-align: center;
    color: var(--text-sub);
  }
  .cms-empty svg {
    margin: 0 auto 12px;
    width: 32px;
    height: 32px;
    color: #B8CBD6;
  }
  .case-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(220,230,235,0.4);
    transition: all 0.3s ease;
  }
  .case-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
  }
  .step-num {
    font-family: Inter, "Helvetica Neue", Arial, sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    display: block;
    margin-bottom: 20px;
  }
  .step-card {
    background: var(--surface);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(220,230,235,0.4);
    transition: all 0.3s ease;
    height: 100%;
  }
  .step-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
  }
  .value-card {
    background: transparent;
    border-radius: var(--radius-card);
    padding: 24px 16px;
    transition: background 0.3s ease;
    text-align: left;
  }
  .value-card:hover {
    background: rgba(255,255,255,0.6);
  }
  .value-card:hover .icon-circle {
    background: var(--primary);
    color: #fff;
  }
  @media (max-width: 1024px) {
    .hero-inner {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .hero-img-wrap {
      max-width: 560px;
    }
    .dock-links {
      display: none;
    }
    .menu-toggle {
      display: flex;
    }
    .dock-search {
      display: none;
    }
    .section {
      padding: 64px 0;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
  }
  @media (max-width: 767px) {
    .container {
      padding: 0 16px;
    }
    .section {
      padding: 48px 0;
    }
    .hero-section {
      padding: 120px 0 48px;
    }
    .hero-stat-wrap {
      gap: 20px;
    }
    .cta-section {
      padding: 48px 24px;
    }
    .cta-form {
      flex-direction: column;
      gap: 12px;
    }
    .cta-form input {
      width: 100%;
    }
    .cta-form .btn-primary {
      width: 100%;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .cms-item {
      flex-direction: column;
      padding: 12px;
    }
    .cms-item-cover {
      width: 100%;
      height: auto;
      aspect-ratio: 16/9;
    }
    .footer-copy {
      flex-direction: column;
      text-align: center;
    }
    .dock-nav {
      padding: 8px 12px;
      gap: 12px;
    }
    .dock-cta {
      display: none;
    }
  }
  @media (max-width: 520px) {
    .dock-logo-text {
      font-size: 0.9375rem;
    }
    .btn-primary,
    .btn-secondary {
      padding: 10px 20px;
      font-size: 0.875rem;
    }
    .stat-num {
      font-size: 1.5rem;
    }
  }

/* roulang page: article */
:root {
    --primary: #4889A3;
    --primary-deep: #2C6E8A;
    --primary-soft: #DEEBF0;
    --accent: #E38C4D;
    --bg: #F5F8FA;
    --surface: #FFFFFF;
    --text-main: #1C2C36;
    --text-sub: #55707E;
    --border-line: #DCE6EB;
    --state-error: #D64545;
    --state-success: #2F9E6B;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 20px rgba(28,44,54,.06);
    --shadow-hover: 0 8px 32px rgba(28,44,54,.12);
    --shadow-dock: 0 10px 40px rgba(28,44,54,.10);
  }
  *, *::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", "Inter", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img { display: block; max-width: 100%; }
  a { text-decoration: none; color: var(--primary); transition: color .2s ease; }
  a:hover { color: var(--primary-deep); }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  input, textarea { font-family: inherit; }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  @media (max-width: 767px) {
    .container { padding: 0 16px; }
  }

  /* ===== Dock 导航 ===== */
  .dock-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 28px;
    background: rgba(255,255,255,.96);
    border-radius: 999px;
    padding: 8px 20px;
    box-shadow: var(--shadow-dock);
    border: 1px solid var(--border-line);
    transition: all .3s ease;
    height: 56px;
    width: calc(100% - 32px);
    max-width: 1120px;
  }
  .dock-nav.scrolled { height: 48px; box-shadow: 0 12px 44px rgba(28,44,54,.14); }
  .dock-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .dock-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    font-family: Inter, sans-serif;
    flex-shrink: 0;
  }
  .dock-logo-text {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
  }
  .dock-links { display: flex; align-items: center; gap: 20px; list-style: none; }
  .dock-links a {
    position: relative;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--text-sub);
    padding: 6px 2px;
    transition: color .2s ease;
  }
  .dock-links a:hover { color: var(--primary); }
  .dock-links a.active { color: var(--primary); }
  .dock-links a.active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary);
  }
  .dock-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
  .dock-search {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    transition: all .2s ease;
  }
  .dock-search:hover { background: var(--primary-soft); color: var(--primary); }
  .dock-search:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
  .dock-cta {
    background: var(--accent);
    color: #fff !important;
    font-size: .875rem;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: 10px;
    transition: all .2s ease;
    white-space: nowrap;
  }
  .dock-cta:hover {
    filter: brightness(1.08);
    box-shadow: 0 6px 20px rgba(227,140,77,.35);
    transform: translateY(-1px);
  }
  .dock-cta:active { transform: translateY(0); filter: brightness(.96); }
  .dock-cta:focus-visible { outline: 2px solid var(--primary-deep); outline-offset: 2px; }
  .menu-toggle { display: none; }
  .mobile-overlay { display: none; }
  @media (max-width: 1023px) {
    .dock-links { display: none; }
    .menu-toggle { display: flex; width: 40px; height: 40px; border-radius: 50%; align-items: center; justify-content: center; color: var(--text-main); transition: background .2s; }
    .menu-toggle:hover { background: var(--primary-soft); }
    .menu-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    .menu-open .dock-links {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 16px;
      position: fixed;
      top: 80px;
      left: 16px;
      right: 16px;
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-dock);
      border: 1px solid var(--border-line);
      z-index: 60;
    }
    .menu-open .dock-links li { width: 100%; }
    .menu-open .dock-links a { display: block; font-size: 1.0625rem; padding: 10px 0; border-bottom: 1px solid var(--border-line); }
    .menu-open .dock-links a.active::after { display: none; }
    .mobile-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(28,44,54,.35);
      z-index: 45;
    }
    .menu-open .mobile-overlay { display: block; }
    body.menu-open { overflow: hidden; }
  }
  @media (max-width: 767px) {
    .dock-nav { gap: 12px; padding: 8px 14px; top: 12px; }
    .dock-logo-text { font-size: .9375rem; }
    .dock-cta { padding: 8px 14px; font-size: .8125rem; }
    .dock-search { display: none; }
  }

  /* ===== 面包屑 ===== */
  .breadcrumb-wrap { padding-top: 120px; }
  .breadcrumb {
    font-size: .875rem;
    color: var(--text-sub);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
  }
  .breadcrumb a { color: var(--text-sub); transition: color .2s; }
  .breadcrumb a:hover { color: var(--primary); }
  .breadcrumb .sep { color: #B6C6CE; }
  .breadcrumb .current { color: var(--text-main); font-weight: 500; max-width: 300px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* ===== 文章头部 ===== */
  .article-header {
    margin-top: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-line);
  }
  .article-header h1 {
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 20px;
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    color: var(--text-sub);
    font-size: .875rem;
  }
  .article-meta .meta-item { display: flex; align-items: center; gap: 6px; }
  .article-meta .badge-cat {
    background: var(--primary-soft);
    color: var(--primary);
    font-size: .8125rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
  }

  /* ===== 正文 ===== */
  .article-body { padding-top: 40px; }
  .article-content { max-width: 760px; margin: 0 auto; }
  .article-content p {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 24px;
    color: var(--text-main);
  }
  .article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 48px 0 24px;
    color: var(--text-main);
    line-height: 1.3;
  }
  .article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 32px 0 16px;
    color: var(--text-main);
  }
  .article-content h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin: 24px 0 12px;
    color: var(--text-main);
  }
  .article-content ul, .article-content ol {
    margin: 0 0 24px 20px;
    line-height: 1.9;
  }
  .article-content li { margin-bottom: 8px; }
  .article-content a { font-weight: 500; border-bottom: 1px solid var(--primary); }
  .article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-soft);
    padding: 20px;
    border-radius: 8px;
    margin: 24px 0;
    color: var(--text-sub);
    line-height: 1.8;
  }
  .article-content blockquote p { margin-bottom: 0; }
  .article-content img {
    border-radius: var(--radius);
    margin: 24px auto;
    width: auto;
    height: auto;
    max-width: 100%;
  }
  .article-content img + em, .article-content figcaption {
    display: block;
    text-align: center;
    font-size: .875rem;
    color: var(--text-sub);
    margin: -12px 0 24px;
  }
  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border: 1px solid var(--border-line);
    border-radius: 8px;
    overflow: hidden;
    font-size: .9375rem;
  }
  .article-content th {
    background: var(--primary-soft);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-line);
    color: var(--text-main);
  }
  .article-content td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-line);
    color: var(--text-main);
  }
  .article-content tr:last-child td { border-bottom: none; }
  .article-content hr {
    border: none;
    height: 1px;
    background: var(--border-line);
    margin: 40px 0;
  }
  .article-content pre {
    background: #1C2C36;
    color: #E6EDF1;
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    line-height: 1.7;
    margin: 24px 0;
    font-size: .875rem;
  }
  .article-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: .875rem;
  }
  .not-found {
    text-align: center;
    padding: 80px 24px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
  }
  .not-found h2 { font-size: 1.5rem; margin-bottom: 12px; }
  .not-found p { color: var(--text-sub); margin-bottom: 24px; }
  .not-found .btn-back {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 10px 28px;
    border-radius: 10px;
    font-weight: 600;
    transition: all .2s;
  }
  .not-found .btn-back:hover { background: var(--primary-deep); }

  /* ===== 标签与分享 ===== */
  .article-footer {
    max-width: 760px;
    margin: 48px auto 0;
    padding-top: 32px;
    border-top: 1px solid var(--border-line);
  }
  .tag-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 24px; }
  .tag-row .tag {
    background: var(--primary-soft);
    color: var(--primary);
    font-size: .8125rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    transition: all .2s;
  }
  .tag-row .tag:hover { background: var(--primary); color: #fff; }
  .share-row { display: flex; align-items: center; gap: 12px; }
  .share-row .share-label { font-size: .875rem; color: var(--text-sub); margin-right: 4px; }
  .share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--text-sub);
    border: 1px solid var(--border-line);
    transition: all .2s ease;
  }
  .share-btn:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); transform: translateY(-2px); }
  .share-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

  /* ===== 相关阅读 ===== */
  .related-section { margin-top: 64px; }
  .related-section .section-title {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--text-main);
    position: relative;
    padding-left: 14px;
  }
  .related-section .section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    border-radius: 2px;
    background: var(--primary);
  }
  .relation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .post-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-line);
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
  }
  .post-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
  .post-card .thumb { aspect-ratio: 16/9; overflow: hidden; }
  .post-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
  .post-card:hover .thumb img { transform: scale(1.03); }
  .post-card .card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
  .post-card .card-body h3 { font-size: 1.125rem; font-weight: 600; line-height: 1.45; margin-bottom: 8px; transition: color .2s; }
  .post-card:hover .card-body h3 { color: var(--primary); }
  .post-card .card-body p { font-size: .875rem; color: var(--text-sub); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .post-card .card-meta { display: flex; align-items: center; justify-content: space-between; font-size: .8125rem; color: var(--text-sub); margin-top: auto; }
  .post-card .card-meta a { font-weight: 500; }
  @media (max-width: 1023px) {
    .relation-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 767px) {
    .relation-grid { grid-template-columns: 1fr; }
  }

  /* ===== 上下篇 ===== */
  .prev-next-wrap {
    max-width: 760px;
    margin: 48px auto 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
  }
  .prev-next-wrap a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--primary);
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--border-line);
    border-radius: var(--radius);
    transition: all .2s ease;
  }
  .prev-next-wrap a:hover { background: var(--primary-soft); border-color: var(--primary); box-shadow: var(--shadow-card); }
  .prev-next-wrap a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
  .prev-next-wrap a .arrow { font-size: 1.125rem; }
  .prev-next-wrap a.prev-link .arrow { margin-right: 4px; }
  .prev-next-wrap a.next-link .arrow { margin-left: 4px; }
  .prev-next-wrap a:hover.prev-link { transform: translateX(-4px); }
  .prev-next-wrap a:hover.next-link { transform: translateX(4px); }

  /* ===== 返回入口 ===== */
  .back-entry { text-align: center; margin-top: 32px; }
  .back-entry a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    transition: all .2s;
  }
  .back-entry a span { transition: transform .2s; }
  .back-entry a:hover span { transform: translateX(-4px); }

  /* ===== CTA ===== */
  .article-cta {
    margin: 72px auto 0;
    max-width: 900px;
    background: var(--primary-deep);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .article-cta::before {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    top: -80px;
    right: -60px;
  }
  .article-cta h2 { color: #fff; font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; margin-bottom: 12px; }
  .article-cta p { color: rgba(255,255,255,.7); font-size: .9375rem; margin-bottom: 28px; }
  .cta-form { display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap; max-width: 480px; margin: 0 auto; }
  .cta-form .phone-input {
    flex: 1;
    min-width: 220px;
    height: 48px;
    border: 2px solid rgba(255,255,255,.2);
    background: rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: 0 16px;
    color: #fff;
    font-size: .9375rem;
    transition: all .2s;
  }
  .cta-form .phone-input::placeholder { color: rgba(255,255,255,.5); }
  .cta-form .phone-input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(227,140,77,.2); }
  .cta-form .cta-submit {
    height: 48px;
    min-width: 140px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: .9375rem;
    border-radius: var(--radius);
    padding: 0 24px;
    transition: all .2s ease;
  }
  .cta-form .cta-submit:hover { filter: brightness(1.08); box-shadow: 0 6px 20px rgba(227,140,77,.35); transform: translateY(-1px); }
  .cta-form .cta-submit:active { transform: translateY(0); filter: brightness(.96); }
  .cta-form .cta-submit:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
  .cta-tip { color: rgba(255,255,255,.45); font-size: .75rem; margin-top: 16px; }
  @media (max-width: 767px) {
    .article-cta { padding: 40px 20px; }
    .cta-form { flex-direction: column; }
    .cta-form .phone-input { width: 100%; }
    .cta-form .cta-submit { width: 100%; }
  }

  /* ===== 页脚 ===== */
  .footer {
    background: #20343E;
    color: rgba(255,255,255,.7);
    margin-top: 96px;
    padding-top: 64px;
    padding-bottom: 28px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .footer-grid h4 {
    color: #fff;
    font-size: .9375rem;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .footer-links { list-style: none; }
  .footer-links li { margin-bottom: 10px; }
  .footer-links a { color: rgba(255,255,255,.6); font-size: .875rem; transition: color .2s; }
  .footer-links a:hover { color: var(--accent); }
  .footer-copy {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    font-size: .8125rem;
    color: rgba(255,255,255,.4);
  }
  @media (max-width: 1023px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 767px) {
    .footer { margin-top: 64px; padding-top: 48px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-copy { flex-direction: column; align-items: flex-start; }
  }

  /* ===== 通用动画/焦点 ===== */
  *:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
  .section-pad { padding: 32px 0 16px; }
  @media (max-width: 767px) {
    .breadcrumb-wrap { padding-top: 100px; }
    .article-header h1 { font-size: 1.5rem; }
    .article-meta { gap: 10px; }
    .prev-next-wrap { flex-direction: column; }
  }

/* roulang page: category1 */
:root {
            --primary: #4889A3;
            --primary-deep: #2C6E8A;
            --primary-soft: #DEEBF0;
            --accent: #E38C4D;
            --bg: #F5F8FA;
            --surface: #FFFFFF;
            --text-main: #1C2C36;
            --text-sub: #55707E;
            --border-line: #DCE6EB;
            --state-error: #D64545;
            --state-success: #2F9E6B;
            --radius-card: 12px;
            --radius-large: 16px;
            --shadow-card: 0 4px 20px rgba(28, 44, 54, 0.06);
            --shadow-hover: 0 8px 32px rgba(28, 44, 54, 0.12);
            --container-width: 1200px;
        }

        *,
        *::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", "Inter", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
            transition: all 0.2s ease;
        }

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Dock 导航 ===== */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 28px;
            padding: 8px 20px;
            border-radius: 999px;
            background: var(--surface);
            box-shadow: 0 10px 40px rgba(28, 44, 54, 0.10);
            border: 1px solid var(--border-line);
            width: max-content;
            max-width: calc(100% - 32px);
            transition: padding 0.3s ease, box-shadow 0.3s ease;
        }

        .dock-nav.scrolled {
            padding: 4px 20px;
            box-shadow: 0 14px 44px rgba(28, 44, 54, 0.15);
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .dock-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-family: Inter, "Helvetica Neue", Arial, sans-serif;
            font-size: 1rem;
        }

        .dock-logo-text {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .dock-links a {
            font-size: 0.9375rem;
            color: var(--text-sub);
            font-weight: 500;
            padding: 4px 2px;
            position: relative;
            white-space: nowrap;
        }

        .dock-links a:hover {
            color: var(--primary);
        }

        .dock-links a.active {
            color: var(--primary);
        }

        .dock-links a.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -6px;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--primary);
        }

        .dock-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .dock-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            background: var(--primary-soft);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .dock-search:hover {
            background: var(--primary);
            color: #fff;
        }

        .dock-search:focus-visible,
        .menu-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .dock-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.875rem;
            padding: 9px 20px;
            border-radius: 999px;
            transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
            white-space: nowrap;
        }

        .dock-cta:hover {
            filter: brightness(1.08);
            box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35);
        }

        .dock-cta:active {
            transform: scale(0.98);
        }

        .cta-icon-sm {
            display: none;
        }

        .menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            background: var(--primary-soft);
        }

        .menu-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        @media (max-width: 1023px) {
            .dock-nav {
                width: calc(100% - 32px);
                max-width: calc(100% - 32px);
                justify-content: space-between;
                gap: 12px;
            }

            .dock-links {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .dock-nav.menu-open {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                border-radius: 20px;
                max-height: calc(100vh - 32px);
                overflow-y: auto;
            }

            .dock-nav.menu-open .dock-links {
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                padding: 14px 4px 6px;
            }

            .dock-nav.menu-open .dock-links a.active::after {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .dock-logo-text {
                font-size: 1rem;
            }

            .dock-cta {
                width: 38px;
                height: 38px;
                padding: 0;
                justify-content: center;
                border-radius: 12px;
            }

            .dock-cta span {
                display: none;
            }

            .cta-icon-sm {
                display: block;
            }
        }

        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            padding: 160px 0 88px;
            overflow: hidden;
            background: var(--bg);
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center right / cover;
            opacity: 0.08;
            z-index: 1;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 420px;
            height: 420px;
            background: var(--primary-soft);
            border-radius: 50%;
            opacity: 0.65;
            z-index: 1;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: var(--primary-soft);
            opacity: 0.4;
            z-index: 1;
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .cat-hero h1 {
            font-size: clamp(2.25rem, 5vw, 3.25rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            color: var(--text-main);
        }

        .cat-hero-desc {
            max-width: 620px;
            color: var(--text-sub);
            font-size: 1.0625rem;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .cat-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }

        .cat-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            border-top: 1px solid var(--border-line);
            padding-top: 24px;
        }

        .cat-hero-meta span {
            font-size: 0.9375rem;
            color: var(--text-sub);
        }

        .cat-hero-meta strong {
            display: block;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.4;
            font-family: Inter, "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 12px 28px;
            border-radius: 10px;
            transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
            filter: brightness(0.96);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 11px 26px;
            border-radius: 10px;
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
        }

        .btn-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary-deep);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: gap 0.2s ease;
        }

        .btn-text:hover {
            gap: 10px;
        }

        .btn-text:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: var(--primary-soft);
        }

        .section-surface {
            background: var(--surface);
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
        }

        .section-head {
            max-width: 680px;
            margin: 0 auto 48px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-alt .section-tag {
            background: var(--surface);
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-sub);
            font-size: 1rem;
            line-height: 1.8;
        }

        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }

        /* ===== 3×3 网格模块 ===== */
        .grid-3x3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .entry-card {
            background: var(--surface);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }

        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(72, 137, 163, 0.25);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .entry-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }

        .entry-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 4px 0 0;
            transition: color 0.2s ease;
        }

        .entry-card:hover h3 {
            color: var(--primary);
        }

        .entry-card p {
            color: var(--text-sub);
            font-size: 0.9375rem;
            line-height: 1.7;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--text-sub);
            font-size: 0.875rem;
            font-weight: 500;
            transition: color 0.2s ease, gap 0.2s ease;
        }

        .card-link:hover {
            color: var(--primary);
            gap: 8px;
        }

        .card-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        @media (max-width: 1024px) {
            .grid-3x3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .grid-3x3 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== 访问流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-item {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .process-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .process-num {
            display: block;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            font-family: Inter, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .process-item h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .process-item p {
            color: var(--text-sub);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== 图文分栏 ===== */
        .split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .split-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .split-media img {
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .split-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .split-content .lead {
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .check-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 28px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.96875rem;
            color: var(--text-main);
            line-height: 1.7;
        }

        .check-list li::before {
            content: "";
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234889A3' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 13 4 4 10-10'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: center;
        }

        @media (max-width: 768px) {
            .split {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .faq-item.open {
            box-shadow: var(--shadow-card);
            border-color: rgba(72, 137, 163, 0.3);
        }

        .faq-q {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            border-radius: var(--radius-card);
        }

        .faq-q:hover {
            color: var(--primary);
        }

        .faq-q:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-card);
        }

        .faq-icon {
            position: relative;
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--primary-soft);
            transition: background 0.25s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .faq-icon::before {
            top: 10px;
            left: 5px;
            width: 12px;
            height: 2px;
        }

        .faq-icon::after {
            top: 5px;
            left: 10px;
            width: 2px;
            height: 12px;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
        }

        .faq-item.open .faq-icon::before {
            background: #fff;
        }

        .faq-item.open .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
            background: #fff;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-a {
            max-height: 500px;
        }

        .faq-a-inner {
            padding: 0 24px 20px;
            color: var(--text-sub);
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: var(--primary-deep);
            border-radius: var(--radius-large);
            text-align: center;
            padding: 64px 48px;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-panel .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            height: 48px;
            border-radius: 12px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0 16px;
            font-size: 0.9375rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(72, 137, 163, 0.3);
        }

        .cta-form .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 140px;
            height: 48px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0 24px;
            border-radius: 12px;
            transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }

        .cta-form .btn-accent:hover {
            filter: brightness(1.08);
            box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35);
        }

        .cta-form .btn-accent:active {
            transform: scale(0.98);
        }

        .cta-form .btn-accent:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .cta-form .btn-accent:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }

        .cta-note {
            display: block;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8125rem;
        }

        @media (max-width: 768px) {
            .cta-panel {
                padding: 48px 24px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .btn-accent {
                width: 100%;
            }
        }

        /* ===== 返回首页 ===== */
        .back-home {
            text-align: center;
            padding: 32px 0 56px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #20343E;
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }

        .footer h4 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-links li+li {
            margin-top: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-copy {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .footer {
                padding: 48px 0 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #4889A3;
  --primary-deep: #2C6E8A;
  --primary-soft: #DEEBF0;
  --accent: #E38C4D;
  --bg: #F5F8FA;
  --surface: #FFFFFF;
  --text-main: #1C2C36;
  --text-sub: #55707E;
  --border-line: #DCE6EB;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 20px rgba(28, 44, 54, 0.06);
  --shadow-hover: 0 8px 32px rgba(28, 44, 54, 0.12);
  --shadow-dock: 0 10px 40px rgba(28, 44, 54, 0.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Inter", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-deep); }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* ===== 按钮 ===== */
.btn-main {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; font-weight: 600;
  padding: 12px 28px; border-radius: 10px; font-size: 1rem;
  border: 2px solid transparent; transition: all 0.25s ease;
}
.btn-main:hover { background: var(--accent); filter: brightness(1.08); color: #fff; box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35); transform: translateY(-1px); }
.btn-main:active { transform: translateY(0); filter: brightness(0.96); }
.btn-main:focus-visible, .btn-outline:focus-visible, .dock-cta:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-main.loading { opacity: 0.7; cursor: not-allowed; pointer-events: none; }
.btn-main.loading::after { content: ""; width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; animation: spin 0.7s linear infinite; margin-left: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--primary); font-weight: 600;
  padding: 12px 28px; border-radius: 10px; font-size: 1rem;
  border: 1.5px solid var(--primary); transition: all 0.25s ease;
}
.btn-outline:hover { background: var(--primary-soft); border-color: var(--primary-deep); color: var(--primary-deep); transform: translateY(-1px); }
.btn-outline:active { transform: translateY(0); }

/* ===== 浮动 Dock 导航 ===== */
.dock-nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  z-index: 50; display: flex; align-items: center; gap: 28px;
  background: #fff; padding: 8px 20px; border-radius: 999px;
  box-shadow: var(--shadow-dock); border: 1px solid var(--border-line);
  transition: all 0.3s ease; max-width: calc(100vw - 32px);
}
.dock-nav.scrolled { top: 12px; padding-top: 5px; padding-bottom: 5px; box-shadow: 0 14px 44px rgba(28,44,54,0.14); }
.dock-logo { display: flex; align-items: center; gap: 10px; color: var(--text-main); font-weight: 700; font-size: 1.125rem; white-space: nowrap; transition: color 0.2s; }
.dock-logo:hover { color: var(--primary-deep); }
.dock-logo-icon {
  width: 32px; height: 32px; border-radius: 50%; background: var(--primary);
  display: flex; align-items: center; justify-content: center; color: #fff;
  font-weight: 700; font-size: 1rem; font-family: Inter, "Helvetica Neue", Arial, sans-serif;
}
.dock-links { display: flex; align-items: center; gap: 20px; }
.dock-links a {
  color: var(--text-sub); font-size: 0.9375rem; font-weight: 500;
  padding: 6px 2px; position: relative; transition: color 0.2s; white-space: nowrap;
}
.dock-links a:hover { color: var(--primary); }
.dock-links a.active { color: var(--primary); }
.dock-links a.active::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: -4px; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }
.dock-right { display: flex; align-items: center; gap: 12px; }
.dock-search {
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; color: var(--text-sub); border: 1px solid transparent;
  transition: all 0.2s;
}
.dock-search:hover { background: var(--primary-soft); color: var(--primary); }
.dock-search:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.dock-cta {
  background: var(--accent); color: #fff; font-size: 0.875rem; font-weight: 600;
  padding: 9px 20px; border-radius: 10px; transition: all 0.25s;
  white-space: nowrap; display: inline-flex; align-items: center;
}
.dock-cta:hover { background: var(--accent); filter: brightness(1.08); box-shadow: 0 4px 16px rgba(227,140,77,0.35); color: #fff; transform: translateY(-1px); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; color: var(--text-main); transition: background 0.2s; }
.menu-toggle:hover { background: var(--primary-soft); }
.menu-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ===== 移动端菜单 ===== */
.mobile-menu {
  position: fixed; top: 70px; right: 16px; left: 16px; z-index: 49;
  background: #fff; border-radius: 16px; box-shadow: 0 20px 60px rgba(28,44,54,0.18);
  padding: 16px; display: none; border: 1px solid var(--border-line);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 14px 12px; border-radius: 10px; color: var(--text-main);
  font-size: 1rem; font-weight: 500; transition: background 0.2s, color 0.2s;
}
.mobile-menu a:hover { background: var(--primary-soft); color: var(--primary); }
.mobile-menu a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.menu-overlay { position: fixed; inset: 0; background: rgba(28,44,54,0.4); z-index: 48; display: none; }
.menu-overlay.show { display: block; }
body.menu-open { overflow: hidden; }

/* ===== 搜索浮层 ===== */
.search-pop {
  position: fixed; top: 76px; left: 50%; transform: translateX(-50%) translateY(-8px);
  z-index: 51; background: #fff; border-radius: 12px; box-shadow: 0 16px 48px rgba(28,44,54,0.16);
  padding: 12px; display: none; opacity: 0; transition: all 0.25s ease;
  width: 360px; max-width: calc(100vw - 32px); border: 1px solid var(--border-line);
}
.search-pop.open { display: block; opacity: 1; transform: translateX(-50%) translateY(0); }
.search-pop form { display: flex; gap: 8px; }
.search-pop input {
  flex: 1; height: 40px; border: 1.5px solid var(--border-line); border-radius: 8px;
  padding: 0 12px; font-size: 0.875rem; transition: all 0.2s;
}
.search-pop input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(72,137,163,0.16); }
.search-pop button { background: var(--primary); color: #fff; border-radius: 8px; padding: 0 16px; font-size: 0.875rem; font-weight: 600; transition: background 0.2s; }
.search-pop button:hover { background: var(--primary-deep); }

/* ===== Hero ===== */
.hero {
  position: relative; padding-top: 150px; padding-bottom: 80px; min-height: 72vh;
  display: flex; align-items: center; background: var(--bg); overflow: hidden;
}
.hero-decor { position: absolute; border-radius: 50%; pointer-events: none; }
.hero-decor-1 { width: 400px; height: 400px; background: var(--primary-soft); opacity: 0.65; top: -120px; right: -80px; }
.hero-decor-2 { width: 300px; height: 300px; background: var(--primary-soft); opacity: 0.4; bottom: -100px; left: -80px; }
.hero-bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.12; }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: var(--primary-soft);
  color: var(--primary-deep); font-size: 0.8125rem; font-weight: 600;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(2.25rem, 5vw, 3.25rem); font-weight: 700; line-height: 1.25; color: var(--text-main); margin-bottom: 18px; letter-spacing: -0.01em; }
.hero-sub { font-size: 1.0625rem; color: var(--text-sub); max-width: 520px; line-height: 1.8; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--border-line); max-width: 560px; }
.hero-stats strong {
  font-size: 1.875rem; font-weight: 700; color: var(--accent);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif; line-height: 1.2; display: block;
}
.hero-stats span { font-size: 0.875rem; color: var(--text-sub); }
.hero-image img { width: 100%; border-radius: 16px; box-shadow: 0 16px 48px rgba(28,44,54,0.14); aspect-ratio: 4/3; object-fit: cover; }

/* ===== Section 通用 ===== */
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block; background: var(--primary-soft); color: var(--primary-deep);
  font-size: 0.8125rem; font-weight: 600; padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.3; margin-bottom: 14px; }
.section-head p { font-size: 1rem; color: var(--text-sub); line-height: 1.8; }

/* ===== 卖点卡片 ===== */
.value-card {
  background: var(--surface); border-radius: var(--radius); padding: 32px 24px;
  border: 1px solid var(--border-line); transition: all 0.3s ease; height: 100%;
}
.value-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: transparent; }
.value-icon {
  width: 48px; height: 48px; border-radius: 50%; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center; color: var(--primary);
  margin-bottom: 18px; transition: all 0.3s;
}
.value-card:hover .value-icon { background: var(--primary); color: #fff; }
.value-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; }
.value-card p { font-size: 0.875rem; color: var(--text-sub); line-height: 1.75; }

/* ===== 渠道交错列表 ===== */
.channel-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 32px; }
.channel-item {
  display: flex; align-items: flex-start; gap: 28px; background: var(--surface);
  border-radius: var(--radius); padding: 32px; border: 1px solid var(--border-line);
  box-shadow: var(--shadow-card); transition: all 0.3s ease; position: relative;
}
.channel-item:nth-child(even) { margin-left: 48px; }
.channel-item:hover { background: var(--primary-soft); transform: translateX(-4px); box-shadow: var(--shadow-hover); }
.channel-num {
  font-family: Inter, "Helvetica Neue", Arial, sans-serif; font-size: 2rem; font-weight: 700;
  color: var(--accent); line-height: 1; min-width: 52px; padding-top: 4px;
}
.channel-content h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; }
.channel-content p { font-size: 0.9375rem; color: var(--text-sub); line-height: 1.8; }
.channel-arrow { margin-left: auto; color: var(--primary); font-size: 1.5rem; font-weight: 300; align-self: center; transition: transform 0.3s; }
.channel-item:hover .channel-arrow { transform: translateX(6px); }

/* ===== 场景卡片 ===== */
.scenario-card {
  background: var(--surface); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border-line); box-shadow: var(--shadow-card);
  transition: all 0.3s ease; display: flex; flex-direction: column;
}
.scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.scenario-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; transition: transform 0.3s ease; }
.scenario-card:hover img { transform: scale(1.03); }
.scenario-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.scenario-body h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; }
.scenario-body p { font-size: 0.875rem; color: var(--text-sub); line-height: 1.8; flex: 1; }
.scenario-link { margin-top: 16px; color: var(--primary); font-size: 0.875rem; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: gap 0.2s; }
.scenario-link:hover { gap: 8px; color: var(--primary-deep); }
.scenario-link::-webkit-scrollbar, .channel-content::-webkit-scrollbar, .faq-answer-inner::-webkit-scrollbar { display: none; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--border-line); border-radius: var(--radius); overflow: hidden; transition: box-shadow 0.25s; }
.faq-item.open { box-shadow: var(--shadow-card); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; font-size: 1rem; font-weight: 600; color: var(--text-main);
  text-align: left; transition: color 0.2s; gap: 16px;
}
.faq-question:hover { color: var(--primary); }
.faq-question:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.faq-icon { font-size: 1.375rem; color: var(--primary); flex-shrink: 0; transition: transform 0.25s ease; font-weight: 400; line-height: 1; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 24px 22px; font-size: 0.9375rem; color: var(--text-sub); line-height: 1.8; }

/* ===== 主 CTA ===== */
.cta-section { position: relative; background: var(--primary-deep); padding: 88px 0; }
.cta-section h2 { color: #fff; font-size: clamp(1.625rem, 3vw, 2.375rem); font-weight: 700; text-align: center; margin-bottom: 12px; }
.cta-desc { color: rgba(255,255,255,0.75); font-size: 1rem; max-width: 560px; margin: 0 auto 36px; text-align: center; line-height: 1.8; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.cta-form input {
  flex: 1; min-width: 220px; height: 48px; padding: 0 16px; border-radius: 12px;
  border: 2px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.12); color: #fff;
  font-size: 1rem; transition: all 0.25s;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.6); }
.cta-form input:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.16); box-shadow: 0 0 0 3px rgba(227,140,77,0.22); }
.cta-form input.input-error { border-color: #D64545; }
.form-error { color: #FF9B9B; font-size: 0.8125rem; text-align: center; margin-top: 10px; min-height: 20px; }
.cta-note { color: rgba(255,255,255,0.5); font-size: 0.8125rem; text-align: center; margin-top: 20px; }

/* ===== 小 CTA ===== */
.mini-cta-section { padding: 48px 0 96px; }
.mini-cta {
  background: var(--surface); border: 1px solid var(--border-line); border-radius: var(--radius-lg);
  padding: 36px 44px; display: flex; align-items: center; justify-content: space-between;
  gap: 24px; box-shadow: var(--shadow-card); flex-wrap: wrap;
}
.mini-cta h3 { font-size: 1.375rem; font-weight: 600; margin-bottom: 6px; }
.mini-cta p { font-size: 0.9375rem; color: var(--text-sub); }

/* ===== 页脚 ===== */
.footer { background: #20343E; color: #fff; padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer h4 { font-size: 1rem; font-weight: 600; margin-bottom: 16px; color: #fff; }
.footer p { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.68); font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 0.8125rem; color: rgba(255,255,255,0.45); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .dock-links { display: none; }
  .menu-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { min-height: auto; padding-top: 140px; padding-bottom: 64px; }
  .hero-stats { padding-top: 24px; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 64px 0; }
  .channel-item:nth-child(even) { margin-left: 0; }
}
@media (max-width: 767px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .dock-nav { gap: 12px; padding: 8px 14px; }
  .dock-cta { padding: 9px 14px; font-size: 0.8125rem; }
  .section { padding: 48px 0; }
  .hero { padding-top: 120px; padding-bottom: 48px; }
  .hero h1 { font-size: 1.875rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-main, .hero-actions .btn-outline { width: 100%; }
  .channel-item { flex-direction: column; gap: 14px; padding: 24px; }
  .channel-arrow { display: none; }
  .mini-cta-section { padding: 32px 0 48px; }
  .mini-cta { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
  .cta-form { flex-direction: column; }
  .cta-form input { width: 100%; min-width: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-copy { flex-direction: column; }
}

/* roulang page: category3 */
:root {
  --primary: #4889A3;
  --primary-deep: #2C6E8A;
  --primary-soft: #DEEBF0;
  --accent: #E38C4D;
  --bg: #F5F8FA;
  --surface: #FFFFFF;
  --text-main: #1C2C36;
  --text-sub: #55707E;
  --border-line: #DCE6EB;
  --state-error: #D64545;
  --state-success: #2F9E6B;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 20px rgba(28, 44, 54, 0.06);
  --shadow-hover: 0 8px 32px rgba(28, 44, 54, 0.12);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
html,
body {
  overflow-x: hidden;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "sans-serif";
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.lock {
  overflow: hidden;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-deep);
}
button {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}
.s-bg {
  background: var(--bg);
}
.s-surface {
  background: var(--surface);
}
.s-soft {
  background: var(--primary-soft);
}
@media (max-width: 1023px) {
  .section {
    padding: 64px 0;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.8;
}
@media (max-width: 767px) {
  .section-head {
    margin-bottom: 32px;
  }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

/* ===== Dock Nav ===== */
.dock-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 8px 20px;
  background: var(--surface);
  border-radius: 999px;
  box-shadow: 0 10px 40px rgba(28, 44, 54, 0.10);
  border: 1px solid rgba(220, 230, 235, 0.8);
  max-width: calc(100vw - 32px);
  transition: padding .3s ease, box-shadow .3s ease;
}
.dock-nav.scrolled {
  padding: 6px 18px;
  box-shadow: 0 14px 46px rgba(28, 44, 54, 0.14);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.dock-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
}
.dock-logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
}
.dock-links {
  display: flex;
  list-style: none;
  gap: 24px;
  margin: 0;
  padding: 0;
  align-items: center;
}
.dock-links a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-sub);
  padding: 6px 0;
  position: relative;
  white-space: nowrap;
  transition: color .2s ease;
}
.dock-links a:hover {
  color: var(--primary);
}
.dock-links a.active {
  color: var(--primary);
  font-weight: 600;
}
.dock-links a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}
.dock-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.dock-search {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-sub);
  border: 0;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .15s ease;
}
.dock-search:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.dock-search:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.dock-search:active {
  transform: scale(.94);
}
.dock-cta {
  background: var(--accent);
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 10px;
  white-space: nowrap;
  transition: filter .2s ease, box-shadow .2s ease, transform .2s ease;
}
.dock-cta:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35);
  color: #fff;
  transform: translateY(-1px);
}
.dock-cta:active {
  transform: translateY(0) scale(.98);
}
.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-main);
  cursor: pointer;
  transition: background .2s ease;
}
.menu-toggle:hover {
  background: var(--primary-soft);
}
.menu-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.menu-toggle:active {
  transform: scale(.94);
}

@media (max-width: 1023px) {
  .dock-links {
    display: none;
  }
  .dock-nav {
    gap: 16px;
  }
  .menu-toggle {
    display: flex;
  }
  .dock-nav.menu-open .dock-links {
    display: flex;
    position: fixed;
    top: 76px;
    left: 12px;
    right: 12px;
    background: var(--surface);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(28, 44, 54, 0.14);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    align-items: stretch;
    border: 1px solid var(--border-line);
  }
  .dock-nav.menu-open .dock-links a {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    background: var(--bg);
    text-align: center;
  }
  .dock-nav.menu-open .dock-links a.active {
    background: var(--primary-soft);
  }
  .dock-nav.menu-open .dock-links a.active::after {
    display: none;
  }
}
@media (max-width: 767px) {
  .dock-nav {
    padding: 8px 14px;
    max-width: calc(100vw - 20px);
    gap: 8px;
  }
  .dock-logo-text {
    font-size: .9375rem;
  }
  .dock-cta {
    font-size: .8125rem;
    padding: 8px 14px;
  }
  .dock-search {
    display: none;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 10px;
  padding: 12px 28px;
  font-size: .9375rem;
  transition: all .25s ease;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:active {
  transform: scale(.98);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 20px rgba(227, 140, 77, 0.35);
  transform: translateY(-1px);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-soft);
  border-color: var(--primary-deep);
}
.btn-white {
  background: #fff;
  color: var(--primary-deep);
}
.btn-white:hover {
  box-shadow: 0 8px 24px rgba(28, 44, 54, 0.18);
  transform: translateY(-1px);
  color: var(--primary-deep);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  background: var(--bg);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
  opacity: .16;
}
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: var(--primary-soft);
  z-index: 0;
}
.hero::before {
  top: -140px;
  right: -140px;
}
.hero::after {
  bottom: -140px;
  left: -140px;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}
.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
}
.hero .subtitle {
  font-size: 1.125rem;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
}
.stat-item .stat-number {
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: .875rem;
  color: var(--text-sub);
  margin-top: 4px;
}
@media (max-width: 767px) {
  .hero {
    padding: 120px 0 56px;
  }
  .hero-stats {
    gap: 28px;
  }
  .stat-item .stat-number {
    font-size: 1.5rem;
  }
}

/* ===== Split Sections ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse .split-media {
  order: 2;
}
.split.reverse .split-content {
  order: 1;
}
.split-media img,
.split-media .img-frame {
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.split-media {
  position: relative;
}
.split-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}
.split-content p {
  color: var(--text-sub);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 20px;
}
@media (max-width: 1023px) {
  .split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .split.reverse .split-media {
    order: 1;
  }
  .split.reverse .split-content {
    order: 2;
  }
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .9375rem;
  color: var(--text-main);
}
.feature-list li .dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .75rem;
  font-weight: 700;
  margin-top: 3px;
}

/* ===== Process Cards ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.process-card {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.process-num {
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}
.process-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.process-card p {
  font-size: .875rem;
  color: var(--text-sub);
  line-height: 1.7;
}
@media (max-width: 767px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===== Mini Cards ===== */
.mini-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.mini-card {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform .3s ease, box-shadow .3s ease, background .2s ease;
}
.mini-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.mini-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.mini-card p {
  font-size: .8125rem;
  color: var(--text-sub);
  line-height: 1.65;
}
@media (max-width: 520px) {
  .mini-cards {
    grid-template-columns: 1fr;
  }
}

/* ===== Banner CTA ===== */
.banner-cta {
  background: var(--primary);
  border-radius: 16px;
  padding: 48px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.banner-cta::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.banner-cta h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.banner-cta p {
  color: rgba(255, 255, 255, 0.78);
  font-size: .9375rem;
  position: relative;
  z-index: 1;
}
.banner-cta .btn {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}
@media (max-width: 767px) {
  .banner-cta {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .25s ease;
}
.faq-item.open {
  box-shadow: var(--shadow-card);
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  background: transparent;
  border: 0;
  width: 100%;
  text-align: left;
  transition: color .2s ease;
}
.faq-q:hover {
  color: var(--primary);
}
.faq-q:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
  border-radius: var(--radius);
}
.faq-q .icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform .25s ease, background .25s ease;
}
.faq-item.open .faq-q .icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.faq-a-inner {
  padding: 0 24px 20px;
  font-size: .9375rem;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ===== CTA Form ===== */
.cta-box {
  background: var(--primary-deep);
  border-radius: 16px;
  padding: 64px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  left: -100px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.cta-box .cta-desc {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}
.form-row {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.form-row input {
  flex: 1;
  height: 48px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  padding: 0 16px;
  font-size: 1rem;
  background: #fff;
  color: var(--text-main);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-row input::placeholder {
  color: var(--text-sub);
}
.form-row input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(72, 137, 163, 0.16);
}
.form-msg {
  margin-top: 16px;
  font-size: .875rem;
  color: #fff;
}
.form-msg.error {
  color: #F8B4B4;
}
.form-note {
  margin-top: 16px;
  font-size: .8125rem;
  color: rgba(255, 255, 255, 0.55);
  position: relative;
  z-index: 1;
}
@media (max-width: 520px) {
  .cta-box {
    padding: 40px 20px;
  }
  .form-row {
    flex-direction: column;
    gap: 12px;
  }
  .form-row .btn {
    width: 100%;
  }
}

/* ===== Footer ===== */
.footer {
  background: #20343E;
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer h4 {
  color: #fff;
  font-size: .9375rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: .875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color .2s ease;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .8125rem;
  color: rgba(255, 255, 255, 0.5);
}
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 520px) {
  .footer {
    margin-top: 48px;
    padding-top: 48px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-copy {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}