/* roulang page: index */
:root {
    --primary: #377DFF;
    --primary-deep: #1E5CD6;
    --primary-soft: #E9F2FF;
    --aux: #0FA3A0;
    --aux-soft: #E1F5F3;
    --bg-page: #F6FAFE;
    --card: #FFFFFF;
    --ink: #1B2A41;
    --muted: #5A6F8A;
    --line: #DCE6F2;
    --card-line: #E5EDF7;
    --radius-card: 16px;
    --radius-control: 10px;
    --shadow-card: 0 12px 32px rgba(31, 82, 145, 0.08);
    --shadow-hover: 0 20px 42px rgba(31, 82, 145, 0.12);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    background-color: var(--bg-page);
    color: var(--ink);
    font-family: 'PingFang SC', 'HarmonicOS Sans', 'Microsoft YaHei UI', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  * {
    box-sizing: border-box;
  }

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

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

  button,
  input,
  select,
  textarea {
    font-family: inherit;
  }

  h1,
  h2,
  h3 {
    margin: 0;
  }

  .page-container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  @media (max-width: 520px) {
    .page-container {
      padding-left: 16px;
      padding-right: 16px;
    }
  }

  .section-pad {
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
  }

  @media (max-width: 768px) {
    .section-pad {
      padding-top: 3.5rem;
      padding-bottom: 3.5rem;
    }
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.03em;
  }

  .section-title {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--ink);
  }

  @media (max-width: 768px) {
    .section-title {
      font-size: 26px;
    }
  }

  .text-balanced {
    color: var(--muted);
  }

  .card {
    background: var(--card);
    border: 1px solid var(--card-line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
  }

  .card-hover {
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }

  .card-hover:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: #D4E2F4;
  }

  .site-header {
    position: sticky;
    top: 12px;
    z-index: 50;
    width: 100%;
    padding-left: 12px;
    padding-right: 12px;
  }

  .dock-wrap {
    padding-top: 10px;
    padding-bottom: 8px;
  }

  .dock {
    width: 100%;
    max-width: 1120px;
    margin-left: auto;
    margin-right: auto;
    height: 64px;
    border-radius: 999px;
    border: 1px solid #E5EDF7;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 24px rgba(31, 82, 145, 0.07);
    padding-left: 18px;
    padding-right: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  @media (max-width: 1023px) {
    .dock {
      height: 60px;
      border-radius: 24px;
      max-width: 100%;
      padding-left: 14px;
      padding-right: 14px;
    }
  }

  .dock-link {
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color .18s ease, background .18s ease;
  }

  .dock-link:hover {
    color: var(--primary);
    background: var(--primary-soft);
  }

  .dock-link.active {
    color: var(--primary);
    background: var(--primary-soft);
    font-weight: 600;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding-left: 18px;
    padding-right: 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: transform .15s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  }

  .btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(55, 125, 255, 0.22);
  }

  .btn-primary:hover {
    background: var(--primary-deep);
    border-color: var(--primary-deep);
    box-shadow: 0 10px 24px rgba(30, 92, 214, 0.24);
    transform: translateY(-1px);
  }

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

  .btn-secondary {
    background: #fff;
    border-color: #C9D8EB;
    color: var(--ink);
  }

  .btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.18);
  }

  .mobile-panel {
    background: #fff;
    border: 1px solid var(--card-line);
    border-radius: 20px;
    box-shadow: 0 16px 36px rgba(31, 82, 145, 0.10);
    padding: 12px;
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-panel.hidden {
    display: none;
  }

  .mobile-link {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
  }

  .mobile-link:hover,
  .mobile-link.active {
    background: var(--primary-soft);
    color: var(--primary);
  }

  .bg-dots {
    background-image: radial-gradient(circle, rgba(55, 125, 255, 0.16) 1px, transparent 1px);
    background-size: 26px 26px;
  }

  .bg-grid-line {
    background-image: linear-gradient(to right, rgba(220, 230, 242, 0.55) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(220, 230, 242, 0.55) 1px, transparent 1px);
    background-size: 32px 32px;
  }

  .metrics-band {
    background-image: linear-gradient(180deg, rgba(246, 250, 254, 0.92), rgba(255, 255, 255, 0.95)), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
  }

  .stat-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--card-line);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    padding: 24px 22px;
    transition: box-shadow .2s ease, transform .2s ease;
  }

  .stat-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .stat-value {
    font-size: 34px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
  }

  .service-card {
    background: #fff;
    border: 1px solid var(--card-line);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    transition: box-shadow .2s ease, transform .2s ease;
  }

  .service-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }

  .service-card .service-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #EAF1F8;
  }

  .service-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .service-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 5px 12px;
    border-radius: 999px;
  }

  .service-list {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .service-list li {
    position: relative;
    padding-left: 20px;
    font-size: 15px;
    color: var(--muted);
  }

  .service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    opacity: .35;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: transform .18s ease, color .18s ease;
  }

  .text-link:hover {
    color: var(--primary-deep);
    transform: translateX(4px);
  }

  .compare-card {
    border-radius: 18px;
    padding: 26px;
    height: 100%;
    border: 1px solid var(--card-line);
    background: #fff;
    transition: transform .2s ease, box-shadow .2s ease;
  }

  .compare-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .compare-card.improved {
    background: linear-gradient(180deg, rgba(233, 242, 255, 0.84), rgba(255, 255, 255, 0.96));
    border-color: #CFE0F7;
  }

  .compare-check {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--ink);
  }

  .compare-check::before {
    content: '✓';
    flex: 0 0 22px;
    height: 22px;
    width: 22px;
    border-radius: 50%;
    background: rgba(15, 163, 160, 0.14);
    color: #0B7C79;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
  }

  .compare-cross {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--muted);
  }

  .compare-cross::before {
    content: '×';
    flex: 0 0 22px;
    height: 22px;
    width: 22px;
    border-radius: 50%;
    background: #EFF1F4;
    color: #8B9BB0;
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
  }

  .latest-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  @media (max-width: 767px) {
    .latest-grid {
      grid-template-columns: 1fr;
    }
  }

  .latest-card {
    padding: 22px;
    border: 1px solid var(--card-line);
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: box-shadow .2s ease, transform .2s ease;
  }

  .latest-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .latest-tag {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 4px 10px;
    border-radius: 999px;
  }

  .latest-title {
    font-size: 17px;
    line-height: 1.5;
    font-weight: 600;
    color: var(--ink);
  }

  .latest-title a {
    transition: color .18s ease;
  }

  .latest-title a:hover {
    color: var(--primary);
  }

  .latest-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
  }

  .empty-state {
    border: 1px dashed #C9D8EB;
    border-radius: 16px;
    background: #FBFDFF;
    padding: 48px 20px;
    text-align: center;
    color: var(--muted);
  }

  .faq-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 36px;
  }

  @media (max-width: 1023px) {
    .faq-layout {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  }

  .faq-item {
    border: 1px solid var(--card-line);
    background: #fff;
    border-radius: 16px;
    padding: 8px 20px;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .faq-item:hover {
    border-color: #D4E2F4;
  }

  .faq-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    min-height: 48px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
  }

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

  .faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 20px;
    transition: transform .2s ease, background .2s ease;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .22s ease, opacity .2s ease, margin .2s ease;
  }

  .faq-item.open .faq-answer {
    max-height: 400px;
    opacity: 1;
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid #DCE6F2;
    margin-bottom: 12px;
  }

  .faq-answer p {
    font-size: 15px;
    color: var(--muted);
  }

  .form-card {
    background: #fff;
    border: 1px solid var(--card-line);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    padding: 28px;
  }

  @media (max-width: 640px) {
    .form-card {
      padding: 20px;
    }
  }

  .form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
  }

  .form-control {
    width: 100%;
    border: 1px solid #C9D8EB;
    border-radius: 10px;
    background: #fff;
    padding: 10px 14px;
    font-size: 15px;
    color: var(--ink);
    transition: border-color .18s ease, box-shadow .18s ease;
  }

  .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.12);
  }

  .footer {
    background: #F1F7FE;
    border-top: 1px solid #DCE6F2;
  }

  .footer-link {
    font-size: 14px;
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color .18s ease;
  }

  .footer-link:hover {
    color: var(--primary);
  }

  .footer-heading {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: .02em;
    margin-bottom: 14px;
  }

/* roulang page: category1 */
:root {
    --primary: #377DFF;
    --primary-deep: #1E5CD6;
    --primary-soft: #E9F2FF;
    --aux: #0FA3A0;
    --aux-soft: #E1F5F3;
    --bg-page: #F6FAFE;
    --card: #FFFFFF;
    --ink: #1B2A41;
    --muted: #5A6F8A;
    --line: #DCE6F2;
    --border-card: #E5EDF7;
    --radius-card: 16px;
    --radius-btn: 999px;
    --shadow-card: 0 12px 32px rgba(31, 82, 145, 0.08);
    --shadow-card-hover: 0 20px 42px rgba(31, 82, 145, 0.12);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei UI", "Noto Sans SC", sans-serif;
    background: var(--bg-page);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

  ul,
  ol,
  dl,
  dd {
    margin: 0;
    padding: 0;
  }

  h1,
  h2,
  h3,
  h4,
  p {
    margin: 0;
  }

  button,
  input,
  textarea {
    font: inherit;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible {
    outline: 4px solid rgba(55, 125, 255, 0.18);
    outline-offset: 2px;
  }

  .page-container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .section {
    padding: 96px 0;
  }

  .section-soft {
    background: #EDF5FD;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-deep);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
  }

  .site-header {
    position: sticky;
    top: 16px;
    z-index: 60;
    padding: 0 18px;
  }

  .dock-wrap {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
  }

  .dock {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #E5EDF7;
    border-radius: 999px;
    box-shadow: var(--shadow-card);
    padding: 0 8px 0 18px;
  }

  .dock-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .dock-link:hover {
    color: var(--primary);
    background: var(--primary-soft);
  }

  .dock-link.active {
    color: var(--primary);
    background: var(--primary-soft);
    font-weight: 600;
  }

  .mobile-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: grid;
    gap: 6px;
    padding: 14px;
    background: #ffffff;
    border: 1px solid #E5EDF7;
    border-radius: 18px;
    box-shadow: var(--shadow-card-hover);
    z-index: 50;
  }

  .mobile-panel.hidden {
    display: none;
  }

  .mobile-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--muted);
  }

  .mobile-link:hover,
  .mobile-link.active {
    color: var(--primary);
    background: var(--primary-soft);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
    cursor: pointer;
    border: 0;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
  }

  .btn-primary:hover {
    background: var(--primary-deep);
  }

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

  .btn-outline {
    background: #fff;
    color: var(--muted);
    border: 1px solid #C9D8EB;
  }

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

  .hero-card {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    background: #ffffff;
    border: 1px solid #E5EDF7;
    padding: 28px;
  }

  .hero-image-card {
    border-radius: 22px;
    overflow: hidden;
    border: 6px solid #fff;
    box-shadow: 0 20px 50px rgba(31, 82, 145, 0.14);
  }

  .soft-background-dots {
    background-image: radial-gradient(#C7D8EB 1px, transparent 1px);
    background-size: 24px 24px;
  }

  .card {
    border-radius: var(--radius-card);
    border: 1px solid var(--border-card);
    background: #fff;
    box-shadow: var(--shadow-card);
  }

  .card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

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

  .icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 18px;
    flex: none;
  }

  .route-item {
    padding: 20px;
    border-radius: 16px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .route-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
  }

  .route-light {
    background: #ffffff;
    border: 1px solid #E5EDF7;
  }

  .route-soft {
    background: #F4F9FF;
    border: 1px solid #E1ECF8;
  }

  .route-accent {
    background: #F4FBFB;
    border: 1px solid #DFF1EF;
  }

  .faq-item {
    border-radius: 14px;
    background: #fff;
    border: 1px solid #E5EDF7;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .faq-item.open {
    border-color: #D8E7FB;
    box-shadow: 0 8px 24px rgba(31, 82, 145, 0.08);
  }

  .faq-question .faq-button {
    background: transparent;
    border: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    text-align: left;
    min-height: 52px;
    font-weight: 600;
    font-size: 16px;
    color: var(--ink);
    cursor: pointer;
  }

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

  .faq-item.open .faq-question .faq-button {
    color: var(--primary);
  }

  .faq-icon {
    flex: none;
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
  }

  .faq-panel {
    border-top: 0;
    padding: 0 18px 18px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.8;
  }

  .faq-panel.hidden {
    display: none;
  }

  .form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink);
  }

  .form-input {
    width: 100%;
    min-height: 48px;
    border-radius: 12px;
    border: 1px solid #DCE6F2;
    background: #fff;
    padding: 10px 14px;
    font-size: 15px;
    color: var(--ink);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .form-input::placeholder {
    color: #8B9BB0;
  }

  .form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.18);
  }

  textarea.form-input {
    resize: vertical;
  }

  .footer {
    background: #F1F7FE;
    border-top: 1px solid #DCE6F2;
  }

  .footer-heading {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }

  .footer-link {
    color: var(--muted);
    font-size: 14px;
    transition: color 0.2s ease;
  }

  .footer-link:hover {
    color: var(--primary);
  }

  .process-line {
    position: relative;
  }

  @media (min-width: 1024px) {
    .process-line:not(:last-child)::after {
      content: "";
      position: absolute;
      right: -40px;
      top: 34px;
      height: 1px;
      width: 80px;
      background: #DCE6F2;
    }
  }

  @media (max-width: 767px) {
    .section {
      padding: 64px 0;
    }

    .page-container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .dock {
      height: 60px;
      padding-left: 14px;
    }

    .dock-link {
      min-height: 38px;
    }

    .hero-card {
      padding: 16px;
      border-radius: 24px;
    }
  }

/* roulang page: article */
:root {
  --primary: #377DFF;
  --primary-deep: #1E5CD6;
  --primary-soft: #E9F2FF;
  --aux: #0FA3A0;
  --aux-soft: #E1F5F3;
  --bg-page: #F6FAFE;
  --bg-alt: #EDF5FD;
  --card: #FFFFFF;
  --ink: #1B2A41;
  --muted: #5A6F8A;
  --faint: #8B9BB0;
  --line: #DCE6F2;
  --card-line: #E5EDF7;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-full: 999px;
  --shadow-card: 0 12px 32px rgba(31, 82, 145, 0.08);
  --shadow-hover: 0 20px 42px rgba(31, 82, 145, 0.12);
  --shadow-dock: 0 12px 28px rgba(31, 82, 145, 0.08);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 10%, rgba(55, 125, 255, 0.04) 0, transparent 24%),
    radial-gradient(circle at 84% 6%, rgba(15, 163, 160, 0.03) 0, transparent 20%),
    var(--bg-page);
  color: var(--ink);
  font-family: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei UI", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body,
h1,
h2,
h3,
p,
ul,
ol {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
button {
  font-family: inherit;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.18);
}
.page-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 6px 14px;
  border-radius: 999px;
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 90;
  padding: 18px 24px 10px;
  pointer-events: none;
}
.site-header .dock-wrap {
  max-width: 1120px;
  margin: 0 auto;
}
.dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 64px;
  padding: 0 10px 0 18px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-dock);
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
}
.dock-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid transparent;
}
.dock-link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.dock-link.active,
.dock-link[aria-current="page"] {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 600;
}
.mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.mobile-toggle:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.mobile-panel {
  pointer-events: auto;
  margin: 12px auto 0;
  max-width: 680px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--card-line);
  border-radius: 20px;
  box-shadow: var(--shadow-dock);
}
.mobile-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 46px;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}
.mobile-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.mobile-link.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(55, 125, 255, 0.18);
}
.btn-primary:hover {
  background: var(--primary-deep);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(55, 125, 255, 0.22);
}
.btn-ghost {
  background: #ffffff;
  border-color: #c9d8eb;
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* 面包屑 */
.breadcrumb-wrap {
  background: rgba(255, 255, 255, 0.55);
  border-bottom: 1px solid var(--line);
}
.breadcrumb-wrap .page-container {
  padding-top: 20px;
  padding-bottom: 16px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--faint);
}
.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.breadcrumb li + li::before {
  content: "/";
  color: var(--line);
  font-size: 12px;
}
.breadcrumb a {
  color: var(--muted);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb [aria-current="page"] {
  display: inline-block;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
  font-weight: 500;
}

/* 文章主体 */
.article-main-section {
  background: #ffffff;
  padding: 36px 0 84px;
}
.article-main-section .article-shell-intro {
  max-width: 780px;
  margin: 0 auto;
}
.article-shell {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
}
.article-header {
  text-align: center;
  padding: 0 0 10px;
}
.article-header h1 {
  margin: 18px auto 22px;
  max-width: 760px;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-size: 14px;
}
.meta-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line);
  display: inline-block;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-size: 13px;
  font-weight: 600;
}
.article-cover {
  margin: 32px 0 42px;
}
.article-cover img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
}
.article-body {
  font-size: 16px;
  line-height: 1.85;
}
.article-body p {
  margin: 0 0 1.6em;
  color: #33445e;
  line-height: 1.85;
}
.article-body h2 {
  margin: 2.1em 0 0.8em;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  letter-spacing: -0.01em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.article-body h3 {
  margin: 1.9em 0 0.6em;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ink);
}
.article-body h4 {
  margin: 1.6em 0 0.5em;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.6em;
  padding-left: 1.5em;
}
.article-body ul {
  list-style: disc;
}
.article-body ol {
  list-style: decimal;
}
.article-body li {
  margin: 0.35em 0;
  padding-left: 0.2em;
  color: #33445e;
}
.article-body li::marker {
  color: var(--primary);
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-body a:hover {
  color: var(--primary-deep);
}
.article-body blockquote {
  margin: 1.8em 0;
  padding: 16px 20px;
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  color: var(--muted);
}
.article-body blockquote p {
  margin-bottom: 0;
  color: var(--muted);
}
.article-body code {
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 0.88em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  color: #1e5cd6;
}
.article-body pre {
  margin: 1.8em 0;
  padding: 20px 22px;
  background: #122033;
  color: #e8f0fd;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.8;
  overflow-x: auto;
  box-shadow: var(--shadow-card);
}
.article-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: 14px;
}
.article-body img {
  width: 100%;
  margin: 1.7em 0;
  border-radius: 16px;
  box-shadow: var(--shadow-card);
}
.article-body table {
  width: 100%;
  margin: 1.8em 0;
  border-collapse: collapse;
  font-size: 14px;
}
.article-body th {
  text-align: left;
  background: var(--primary-soft);
  padding: 12px 14px;
  color: var(--ink);
  font-weight: 600;
  border: 1px solid var(--line);
}
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  color: #3b4e68;
}
.article-body hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px solid var(--line);
}
.article-foot {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.foot-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--primary-soft);
  color: var(--primary-deep);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
}
.article-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article-toolbar .btn {
  min-height: 40px;
  font-size: 13px;
  font-weight: 500;
  padding: 0 18px;
}

/* 未找到 */
.not-found-panel {
  max-width: 620px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
  background: var(--bg-page);
  border: 1px solid var(--card-line);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
}
.not-found-panel h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  margin: 12px 0 8px;
}
.not-found-panel p {
  color: var(--muted);
  margin-bottom: 20px;
}

/* 相关推荐 */
.related-section {
  padding: 88px 0;
  background: var(--bg-page);
}
.related-head {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
}
.related-head h2 {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-top: 14px;
}
.related-head p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
}
.related-card {
  display: block;
  height: 100%;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--card-line);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.relate-img {
  height: 190px;
  overflow: hidden;
  background: var(--bg-alt);
}
.relate-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .relate-img img {
  transform: scale(1.04);
}
.relate-body {
  padding: 22px;
}
.relate-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}
.relate-body p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.relate-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.relate-cta svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}
.related-card:hover .relate-cta svg {
  transform: translateX(3px);
}

/* 联系区块 */
.contact-section {
  position: relative;
  padding: 92px 0;
  background: var(--bg-page);
}
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  overflow: hidden;
  border: 1px solid var(--card-line);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.98) 50%, rgba(237, 245, 253, 0.88) 100%), url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center center;
}
.contact-intro {
  padding: 52px 28px 46px 52px;
}
.contact-intro h2 {
  margin-top: 18px;
  font-size: 30px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.contact-intro p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}
.contact-list {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.contact-list .check-ico {
  flex: 0 0 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--aux-soft);
  color: var(--aux);
}
.contact-form-box {
  padding: 30px;
  margin: 26px 28px 26px 0;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #eef3f9;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
}
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 7px;
}
.form-input,
.form-textarea {
  display: block;
  width: 100%;
  border: 1px solid #c9d8eb;
  border-radius: 12px;
  background: #ffffff;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.6;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-input:hover,
.form-textarea:hover {
  border-color: #9ab8ed;
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.18);
}
.form-input::-moz-placeholder,
.form-textarea::-moz-placeholder {
  color: #a6b7cb;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: #a6b7cb;
}
.form-tip {
  font-size: 13px;
  color: var(--faint);
  margin-top: 14px;
}

/* 页脚 */
.footer {
  background: #f1f7fe;
  border-top: 1px solid var(--line);
}
.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-link {
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
}
.footer-link:hover {
  color: var(--primary);
}

/* 响应式 */
@media (max-width: 1023px) {
  .site-header {
    padding-left: 18px;
    padding-right: 18px;
  }
  .contact-card {
    grid-template-columns: 1fr;
  }
  .contact-intro {
    padding: 40px 30px 8px;
  }
  .contact-form-box {
    margin: 20px 20px 24px;
  }
}
@media (max-width: 767px) {
  .page-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .site-header {
    top: 8px;
    padding-top: 12px;
    padding-left: 12px;
    padding-right: 12px;
  }
  .dock {
    min-height: 60px;
    padding-left: 12px;
    padding-right: 8px;
  }
  .dock-link {
    padding: 6px 12px;
    font-size: 14px;
  }
  .breadcrumb-wrap .page-container {
    padding-top: 14px;
    padding-bottom: 10px;
  }
  .breadcrumb [aria-current="page"] {
    max-width: 160px;
  }
  .article-main-section {
    padding: 22px 0 64px;
  }
  .article-meta {
    gap: 8px;
    font-size: 13px;
  }
  .article-cover {
    margin: 24px 0 30px;
  }
  .related-section,
  .contact-section {
    padding: 60px 0;
  }
  .related-head h2 {
    font-size: 27px;
  }
  .contact-intro {
    padding: 28px 22px 4px;
  }
  .contact-intro h2 {
    font-size: 25px;
  }
  .contact-form-box {
    padding: 22px;
    margin: 14px 14px 18px;
  }
  .article-foot {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .contact-intro {
    padding-left: 18px;
    padding-right: 18px;
  }
  .dock {
    gap: 6px;
  }
  .contact-form-box {
    padding: 18px;
  }
}

/* roulang page: category2 */
:root {
    --primary: #377DFF;
    --primary-deep: #1E5CD6;
    --primary-soft: #E9F2FF;
    --aux: #0FA3A0;
    --aux-soft: #E1F5F3;
    --bg-page: #F6FAFE;
    --ink: #1B2A41;
    --muted: #5A6F8A;
    --faint: #8B9BB0;
    --line: #DCE6F2;
    --card-line: #E5EDF7;
    --card-shadow: 0 12px 32px rgba(31, 82, 145, 0.08);
    --card-shadow-lg: 0 20px 42px rgba(31, 82, 145, 0.12);
    --radius: 16px;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg-page);
    color: var(--ink);
    font-family: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei UI", "Noto Sans SC", "sans-serif";
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  * {
    box-sizing: border-box;
  }

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

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

  button,
  input,
  textarea,
  select {
    font-family: inherit;
    font-size: 1rem;
  }

  :focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.18);
    border-radius: 8px;
  }

  .page-container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  @media (max-width: 640px) {
    .page-container {
      padding-left: 16px;
      padding-right: 16px;
    }
  }

  .section-pad {
    padding-top: 96px;
    padding-bottom: 96px;
  }

  @media (max-width: 768px) {
    .section-pad {
      padding-top: 60px;
      padding-bottom: 60px;
    }
  }

  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .section-title {
    font-size: clamp(26px, 3vw, 34px);
    line-height: 1.3;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.02em;
    margin: 0 0 16px;
  }

  .section-lead {
    color: var(--muted);
    font-size: 16px;
    max-width: 720px;
    margin: 0 0 28px;
  }

  .site-header {
    position: sticky;
    top: 12px;
    z-index: 50;
    padding: 14px 16px 0;
  }

  .dock-wrap {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .dock {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--card-line);
    border-radius: 999px;
    box-shadow: 0 10px 28px rgba(31, 82, 145, 0.08);
    padding: 8px 10px 8px 20px;
  }

  .dock a,
  .mobile-link,
  .footer-link {
    -webkit-tap-highlight-color: transparent;
  }

  .dock-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 15px;
    font-weight: 500;
    transition: background-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
  }

  .dock-link:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }

  .dock-link.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 700;
  }

  .mobile-toggle {
    border: 0;
    cursor: pointer;
  }

  .mobile-panel {
    margin-top: 12px;
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    border-radius: 20px;
    box-shadow: 0 18px 40px rgba(31, 82, 145, 0.1);
    padding: 14px;
  }

  #mobile-menu.mobile-panel:not(.hidden) {
    display: flex;
  }

  .mobile-link {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--muted);
    font-weight: 500;
    font-size: 15px;
  }

  .mobile-link:hover,
  .mobile-link.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 700;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    transition: transform 0.14s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(55, 125, 255, 0.2);
  }

  .btn-primary:hover {
    background: var(--primary-deep);
    box-shadow: 0 10px 26px rgba(30, 92, 214, 0.24);
  }

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

  .btn-outline {
    background: #FFFFFF;
    border-color: #C9D8EB;
    color: var(--ink);
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 8px 20px rgba(55, 125, 255, 0.08);
  }

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

  .hero-section {
    position: relative;
    overflow: hidden;
    background:
      linear-gradient(180deg, #FFFFFF 0%, #F6FAFE 100%);
  }

  .hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(to right, rgba(55, 125, 255, 0.045) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(55, 125, 255, 0.045) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
  }

  .hero-title {
    font-size: clamp(42px, 5vw, 58px);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0;
    color: var(--ink);
  }

  .brand-word {
    color: var(--primary);
  }

  .hero-image-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--card-shadow-lg);
    border: 1px solid var(--card-line);
  }

  .hero-figure-note {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--card-line);
    border-radius: 16px;
    padding: 14px 18px;
    box-shadow: 0 8px 24px rgba(31, 82, 145, 0.1);
  }

  .summary-band {
    background: #FFFFFF;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .summary-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    background: var(--bg-page);
    border: 1px solid var(--card-line);
    border-radius: 18px;
  }

  .summary-icon {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
  }

  .metric-num {
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
  }

  .panel-card {
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .panel-card:hover {
    box-shadow: var(--card-shadow-lg);
    transform: translateY(-3px);
  }

  .badge-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
    background: #F4F8FC;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 14px;
  }

  .tag-chip {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 999px;
    padding: 5px 12px;
  }

  .tag-chip-aux {
    background: var(--aux-soft);
    color: #0B7C79;
  }

  .case-card {
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .case-card:hover {
    box-shadow: var(--card-shadow-lg);
    transform: translateY(-3px);
  }

  .case-img {
    aspect-ratio: 16 / 9;
    width: 100%;
    object-fit: cover;
    background: #E8F0FA;
  }

  .choose-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  @media (max-width: 991px) {
    .choose-list {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 560px) {
    .choose-list {
      grid-template-columns: 1fr;
    }
  }

  .choose-item {
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    border-radius: 16px;
    padding: 24px 20px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
  }

  .choose-item:hover {
    border-color: var(--primary);
    box-shadow: var(--card-shadow);
    transform: translateY(-2px);
  }

  .choose-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 3px;
    border-radius: 0 0 4px 4px;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.18s ease;
  }

  .choose-item:hover::before {
    opacity: 1;
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  @media (max-width: 991px) {
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 560px) {
    .process-grid {
      grid-template-columns: 1fr;
    }
  }

  .process-item {
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    border-radius: 18px;
    padding: 28px 22px 24px;
  }

  .process-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 18px;
    font-variant-numeric: tabular-nums;
  }

  .faq-wrap {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 40px;
    align-items: start;
  }

  @media (max-width: 991px) {
    .faq-wrap {
      grid-template-columns: 1fr;
      gap: 28px;
    }
  }

  .faq-item {
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    border-radius: 16px;
    padding: 0 20px;
    margin-bottom: 12px;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
  }

  .faq-item.active {
    border-color: #B9D1F5;
    box-shadow: 0 8px 22px rgba(55, 125, 255, 0.06);
  }

  .faq-q {
    margin: 0;
  }

  .faq-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
    text-align: left;
  }

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

  .faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 16px;
    transition: transform 0.18s ease, background-color 0.18s ease;
  }

  .faq-item.active .faq-icon {
    transform: rotate(45deg);
  }

  .faq-a {
    display: none;
    padding: 0 0 18px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
    border-top: 1px solid var(--line);
    margin-top: 2px;
  }

  .faq-a p {
    margin: 12px 0 0;
  }

  .faq-item.active .faq-a {
    display: block;
  }

  .cta-wrap {
    border-radius: 24px;
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid var(--card-line);
    box-shadow: var(--card-shadow);
  }

  .form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .form-input,
  .form-textarea {
    width: 100%;
    background: #F8FBFF;
    border: 1px solid #D6E3F2;
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--ink);
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
  }

  .form-input:focus,
  .form-textarea:focus {
    background: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(55, 125, 255, 0.14);
    outline: none;
  }

  .form-input::placeholder,
  .form-textarea::placeholder {
    color: var(--faint);
    font-size: 14px;
  }

  .footer {
    background: #F1F7FE;
    border-top: 1px solid var(--line);
  }

  .footer-heading {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--ink);
    margin: 0 0 14px;
  }

  .footer-link {
    color: var(--muted);
    font-size: 14px;
    transition: color 0.16s ease, padding-left 0.16s ease;
  }

  .footer-link:hover {
    color: var(--primary);
    padding-left: 4px;
  }