/* roulang page: index */
:root {
      --color-bg: #f7fafc;
      --color-surface: #ffffff;
      --color-surface-soft: #eef5f9;
      --color-surface-blue: #eaf3f8;
      --color-primary: #4f86a8;
      --color-primary-dark: #366b8b;
      --color-primary-soft: #dfeef5;
      --color-accent: #7aa89d;
      --color-amber: #d9ad67;
      --color-text: #172b3a;
      --color-heading: #0e2637;
      --color-muted: #637786;
      --color-light: #8fa0ac;
      --color-border: #dbe7ee;
      --color-border-strong: #c6d8e3;
      --shadow-sm: 0 8px 22px rgba(31, 70, 92, .06);
      --shadow-md: 0 18px 45px rgba(31, 70, 92, .10);
      --shadow-lg: 0 28px 70px rgba(31, 70, 92, .14);
      --radius-xs: 10px;
      --radius-sm: 14px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --radius-pill: 999px;
      --container: 1260px;
      --transition: all .24s ease;
      --section: 92px;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background:
        radial-gradient(circle at 8% 0%, rgba(214, 233, 243, .72), transparent 34%),
        radial-gradient(circle at 88% 8%, rgba(235, 241, 244, .95), transparent 38%),
        var(--color-bg);
      color: var(--color-text);
      line-height: 1.72;
      font-size: 16px;
      overflow-x: hidden;
    }

    body.nav-open {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover,
    a:focus {
      color: var(--color-primary-dark);
      outline: none;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: none;
      cursor: pointer;
      background: transparent;
    }

    input,
    textarea {
      width: 100%;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      background: rgba(255, 255, 255, .92);
      color: var(--color-text);
      padding: 14px 16px;
      outline: none;
      transition: var(--transition);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
    }

    input::placeholder,
    textarea::placeholder {
      color: #9aabb5;
    }

    input:focus,
    textarea:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(79, 134, 168, .14);
      background: #fff;
    }

    textarea {
      min-height: 112px;
      resize: vertical;
    }

    .site-shell {
      min-height: 100vh;
    }

    .site-container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .section {
      padding: var(--section) 0;
      position: relative;
    }

    .section-tight {
      padding: 68px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 28px;
      align-items: flex-end;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary-dark);
      font-weight: 700;
      letter-spacing: .08em;
      font-size: 13px;
      margin-bottom: 12px;
    }

    .section-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 6px rgba(122, 168, 157, .12);
    }

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

    h1,
    h2,
    h3,
    h4 {
      color: var(--color-heading);
      letter-spacing: -.035em;
      line-height: 1.13;
      font-weight: 760;
    }

    h1 {
      font-size: clamp(38px, 5.2vw, 62px);
      margin-bottom: 22px;
    }

    h2 {
      font-size: clamp(28px, 3.1vw, 40px);
      margin-bottom: 14px;
    }

    h3 {
      font-size: 22px;
      margin-bottom: 12px;
    }

    p {
      color: var(--color-muted);
      margin-bottom: 0;
    }

    .lead {
      font-size: 18px;
      color: #516879;
      line-height: 1.85;
    }

    .small {
      font-size: 13px;
      color: var(--color-light);
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(247, 250, 252, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(219, 231, 238, .82);
    }

    .nav-wrap {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      background:
        linear-gradient(145deg, rgba(79,134,168,.95), rgba(122,168,157,.82)),
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.65), transparent 38%);
      box-shadow: 0 12px 28px rgba(79, 134, 168, .22);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 10px;
      border: 1px solid rgba(255,255,255,.78);
      border-radius: 9px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
      min-width: 0;
    }

    .brand-name {
      font-size: 17px;
      font-weight: 780;
      color: var(--color-heading);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 360px;
    }

    .brand-sub {
      font-size: 12px;
      color: var(--color-light);
      letter-spacing: .08em;
      margin-top: 2px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 34px;
      margin-left: auto;
    }

    .main-nav a {
      position: relative;
      font-size: 15px;
      color: #405767;
      padding: 26px 0;
      font-weight: 600;
    }

    .main-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 19px;
      height: 2px;
      border-radius: 999px;
      background: var(--color-primary);
      transform: scaleX(0);
      transform-origin: center;
      transition: var(--transition);
    }

    .main-nav a:hover::after,
    .main-nav a.active::after {
      transform: scaleX(1);
    }

    .main-nav a.active {
      color: var(--color-heading);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-width: 178px;
      height: 42px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-pill);
      padding: 0 15px;
      color: var(--color-light);
      background: rgba(255,255,255,.72);
      font-size: 13px;
      transition: var(--transition);
    }

    .search-chip:hover,
    .search-chip:focus {
      border-color: var(--color-border-strong);
      background: #fff;
      color: var(--color-primary-dark);
      box-shadow: var(--shadow-sm);
    }

    .search-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,.88);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      transition: var(--transition);
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      background: var(--color-heading);
      border-radius: 4px;
      transition: var(--transition);
    }

    .menu-toggle:hover,
    .menu-toggle:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(79,134,168,.12);
    }

    .mobile-panel {
      position: fixed;
      inset: 0 0 0 auto;
      width: min(360px, 88vw);
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(18px);
      z-index: 200;
      transform: translateX(105%);
      transition: transform .28s ease;
      border-left: 1px solid var(--color-border);
      box-shadow: -18px 0 45px rgba(31,70,92,.12);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .mobile-panel.open {
      transform: translateX(0);
    }

    .mobile-panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--color-border);
    }

    .mobile-close {
      width: 40px;
      height: 40px;
      border-radius: 13px;
      background: var(--color-surface-soft);
      color: var(--color-heading);
      font-size: 24px;
      line-height: 1;
    }

    .mobile-nav {
      display: grid;
      gap: 10px;
    }

    .mobile-nav a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-radius: 16px;
      padding: 15px 16px;
      color: var(--color-text);
      border: 1px solid transparent;
      font-weight: 700;
    }

    .mobile-nav a.active,
    .mobile-nav a:hover {
      background: var(--color-surface-blue);
      border-color: var(--color-border);
      color: var(--color-primary-dark);
    }

    .mobile-overlay {
      position: fixed;
      inset: 0;
      background: rgba(14, 38, 55, .26);
      z-index: 180;
      opacity: 0;
      pointer-events: none;
      transition: var(--transition);
    }

    .mobile-overlay.open {
      opacity: 1;
      pointer-events: auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 13px 20px;
      border-radius: 14px;
      font-weight: 740;
      line-height: 1;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      box-shadow: 0 14px 30px rgba(79, 134, 168, .22);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(79, 134, 168, .28);
    }

    .btn-secondary {
      background: rgba(255,255,255,.78);
      border-color: var(--color-border);
      color: var(--color-heading);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      background: var(--color-primary-soft);
      border-color: var(--color-border-strong);
      color: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .btn-text {
      color: var(--color-primary-dark);
      font-weight: 760;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-text:hover {
      gap: 12px;
      text-decoration: underline;
      text-underline-offset: 5px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.76);
      border: 1px solid var(--color-border);
      padding: 8px 12px;
      color: #536a7a;
      font-size: 13px;
      font-weight: 650;
    }

    .tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-primary);
      opacity: .72;
    }

    .hero {
      padding: 88px 0 76px;
    }

    .hero-grid {
      align-items: center;
    }

    .hero-copy {
      max-width: 665px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,.74);
      border-radius: var(--radius-pill);
      padding: 9px 14px;
      color: var(--color-primary-dark);
      font-weight: 750;
      font-size: 13px;
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge .pulse {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 7px rgba(122,168,157,.16);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin: 30px 0 22px;
    }

    .trust-line {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-top: 22px;
      color: var(--color-light);
      font-size: 13px;
    }

    .trust-line span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .trust-line span::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--color-amber);
    }

    .visual-card {
      position: relative;
      min-height: 590px;
      border: 1px solid var(--color-border);
      border-radius: 34px;
      background:
        linear-gradient(155deg, rgba(255,255,255,.92), rgba(239,247,251,.95)),
        radial-gradient(circle at 20% 22%, rgba(79,134,168,.20), transparent 40%);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      padding: 28px;
    }

    .visual-card::before {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      right: -168px;
      top: -110px;
      border-radius: 46% 54% 57% 43%;
      background: linear-gradient(135deg, rgba(79,134,168,.18), rgba(122,168,157,.14));
      filter: blur(.2px);
    }

    .visual-card::after {
      content: "";
      position: absolute;
      width: 270px;
      height: 270px;
      left: -90px;
      bottom: 20px;
      border-radius: 50%;
      background: rgba(217,173,103,.12);
    }

    .cover-panel {
      position: relative;
      z-index: 2;
      height: 310px;
      border-radius: 28px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.86);
      background:
        linear-gradient(160deg, rgba(40,77,101,.86), rgba(111,156,168,.76)),
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.44), transparent 32%);
      box-shadow: 0 22px 44px rgba(31,70,92,.16);
    }

    .cover-panel::before,
    .cover-panel::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(255,255,255,.22);
      transform: rotate(-18deg);
    }

    .cover-panel::before {
      width: 300px;
      height: 82px;
      right: -62px;
      top: 56px;
    }

    .cover-panel::after {
      width: 220px;
      height: 58px;
      left: -36px;
      bottom: 50px;
    }

    .cover-content {
      position: absolute;
      inset: auto 24px 24px 24px;
      color: #fff;
    }

    .cover-content strong {
      display: block;
      font-size: 26px;
      line-height: 1.18;
      letter-spacing: -.03em;
      margin-bottom: 10px;
    }

    .cover-content span {
      color: rgba(255,255,255,.78);
      font-size: 14px;
    }

    .stat-stack {
      position: relative;
      z-index: 3;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 18px;
    }

    .stat-card {
      background: rgba(255,255,255,.84);
      border: 1px solid var(--color-border);
      border-radius: 20px;
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }

    .stat-card b {
      display: block;
      color: var(--color-heading);
      font-size: 30px;
      line-height: 1;
      letter-spacing: -.04em;
      margin-bottom: 8px;
    }

    .stat-card span {
      color: var(--color-muted);
      font-size: 13px;
    }

    .floating-note {
      position: relative;
      z-index: 3;
      margin-top: 18px;
      border-radius: 22px;
      border: 1px solid rgba(198,216,227,.9);
      background: rgba(255,255,255,.78);
      padding: 18px;
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .floating-note .note-icon {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background: var(--color-primary-soft);
      flex: 0 0 auto;
      position: relative;
    }

    .floating-note .note-icon::after {
      content: "";
      position: absolute;
      inset: 12px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .intro-strip {
      margin-top: -18px;
      position: relative;
      z-index: 4;
    }

    .strip-card {
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,.82);
      backdrop-filter: blur(14px);
      border-radius: 24px;
      box-shadow: var(--shadow-md);
      padding: 28px;
    }

    .strip-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(3, 1fr);
      gap: 22px;
      align-items: center;
    }

    .strip-title {
      color: var(--color-heading);
      font-weight: 770;
      font-size: 20px;
      line-height: 1.36;
    }

    .mini-metric {
      padding-left: 20px;
      border-left: 1px solid var(--color-border);
    }

    .mini-metric b {
      display: block;
      color: var(--color-primary-dark);
      font-size: 24px;
      letter-spacing: -.04em;
      line-height: 1;
      margin-bottom: 8px;
    }

    .mini-metric span {
      color: var(--color-muted);
      font-size: 13px;
    }

    .category-card {
      border: 1px solid var(--color-border);
      border-radius: 30px;
      background: linear-gradient(145deg, #fff, #f1f7fa);
      padding: 34px;
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

    .category-card::after {
      content: "";
      position: absolute;
      right: -60px;
      bottom: -70px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(79,134,168,.10);
    }

    .category-media {
      min-height: 280px;
      border-radius: 26px;
      background:
        linear-gradient(145deg, rgba(234,243,248,.95), rgba(255,255,255,.72)),
        repeating-linear-gradient(90deg, rgba(79,134,168,.10) 0 1px, transparent 1px 28px);
      border: 1px solid var(--color-border);
      position: relative;
      overflow: hidden;
    }

    .category-media::before {
      content: "";
      position: absolute;
      width: 280px;
      height: 160px;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%) rotate(-9deg);
      border-radius: 28px;
      background:
        linear-gradient(155deg, rgba(79,134,168,.86), rgba(122,168,157,.68));
      box-shadow: 0 24px 50px rgba(79,134,168,.18);
    }

    .category-media::after {
      content: "HD";
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      font-size: 58px;
      font-weight: 820;
      letter-spacing: -.08em;
      color: rgba(255,255,255,.72);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .feature-card {
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,.86);
      border-radius: 24px;
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      min-height: 230px;
    }

    .feature-card.tall {
      min-height: 312px;
    }

    .feature-card.compact {
      min-height: 190px;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-md);
    }

    .feature-num {
      display: inline-flex;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-weight: 800;
      margin-bottom: 24px;
    }

    .feature-card h3 {
      font-size: 21px;
    }

    .masonry {
      columns: 3 280px;
      column-gap: 18px;
    }

    .story-card {
      break-inside: avoid;
      display: inline-block;
      width: 100%;
      margin: 0 0 18px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255,255,255,.9);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .story-card:hover {
      transform: translateY(-4px);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-md);
    }

    .story-cover {
      height: 210px;
      background:
        linear-gradient(145deg, rgba(79,134,168,.82), rgba(232,241,246,.78)),
        radial-gradient(circle at 72% 24%, rgba(255,255,255,.55), transparent 28%);
      position: relative;
      overflow: hidden;
    }

    .story-card:nth-child(2n) .story-cover {
      height: 270px;
      background: linear-gradient(155deg, rgba(122,168,157,.82), rgba(235,242,244,.72));
    }

    .story-card:nth-child(3n) .story-cover {
      height: 180px;
      background: linear-gradient(155deg, rgba(217,173,103,.56), rgba(79,134,168,.74));
    }

    .story-cover::after {
      content: "";
      position: absolute;
      width: 220px;
      height: 78px;
      border-radius: 999px;
      background: rgba(255,255,255,.22);
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%) rotate(-16deg);
    }

    .story-body {
      padding: 22px;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 12px;
      align-items: center;
      margin-bottom: 12px;
      color: var(--color-light);
      font-size: 12px;
      font-weight: 650;
    }

    .label {
      display: inline-flex;
      align-items: center;
      border-radius: var(--radius-pill);
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      padding: 5px 10px;
      font-size: 12px;
      font-weight: 760;
    }

    .story-body h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .compare-wrap {
      border: 1px solid var(--color-border);
      border-radius: 30px;
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow-md);
      padding: 18px;
    }

    .plan-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .plan-card {
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: #fff;
      padding: 26px;
      transition: var(--transition);
    }

    .plan-card.featured {
      background: linear-gradient(160deg, #f6fbfd, #ffffff);
      border-color: rgba(79,134,168,.35);
      box-shadow: var(--shadow-sm);
    }

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

    .plan-card h3 {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .plan-list {
      list-style: none;
      margin: 20px 0 0;
      padding: 0;
      display: grid;
      gap: 12px;
    }

    .plan-list li {
      color: var(--color-muted);
      padding-left: 22px;
      position: relative;
      font-size: 14px;
    }

    .plan-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72em;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .process-band {
      border-radius: 34px;
      background:
        linear-gradient(145deg, rgba(14,38,55,.94), rgba(55,99,122,.92));
      color: #fff;
      padding: 44px;
      overflow: hidden;
      position: relative;
    }

    .process-band::after {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      right: -150px;
      top: -210px;
      border-radius: 50%;
      background: rgba(255,255,255,.08);
    }

    .process-band h2,
    .process-band h3 {
      color: #fff;
    }

    .process-band p {
      color: rgba(255,255,255,.72);
    }

    .process-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 38px;
      align-items: center;
    }

    .steps {
      display: grid;
      gap: 14px;
    }

    .step {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: rgba(255,255,255,.14);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #fff;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 34px;
      align-items: flex-start;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--color-border);
      border-radius: 20px;
      overflow: hidden;
      background: rgba(255,255,255,.9);
      box-shadow: var(--shadow-sm);
    }

    .accordion-title {
      border: none !important;
      color: var(--color-heading);
      font-weight: 760;
      font-size: 16px;
      padding: 19px 22px;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: var(--color-surface-blue);
      color: var(--color-primary-dark);
    }

    .accordion-title::before {
      right: 20px;
      margin-top: -10px;
      color: var(--color-primary);
      font-size: 22px;
    }

    .accordion-content {
      border: none !important;
      color: var(--color-muted);
      background: #fff;
      padding: 0 22px 22px;
      line-height: 1.8;
    }

    .cta-panel {
      border-radius: 34px;
      border: 1px solid var(--color-border);
      background:
        linear-gradient(145deg, rgba(255,255,255,.95), rgba(237,246,250,.86));
      box-shadow: var(--shadow-lg);
      padding: 38px;
      overflow: hidden;
      position: relative;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      right: -86px;
      bottom: -120px;
      width: 330px;
      height: 330px;
      border-radius: 50%;
      background: rgba(79,134,168,.11);
    }

    .cta-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 36px;
      align-items: start;
    }

    .contact-points {
      display: grid;
      gap: 12px;
      margin-top: 26px;
    }

    .contact-point {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--color-muted);
      font-weight: 650;
    }

    .contact-point i {
      width: 30px;
      height: 30px;
      border-radius: 11px;
      background: var(--color-primary-soft);
      position: relative;
      flex: 0 0 auto;
    }

    .contact-point i::after {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .form-card {
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,.82);
      border-radius: 26px;
      padding: 24px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .form-grid .full {
      grid-column: 1 / -1;
    }

    .form-note {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 14px;
      background: var(--color-surface-blue);
      border-radius: 16px;
      color: var(--color-muted);
      font-size: 13px;
      margin: 14px 0;
    }

    .form-note::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      flex: 0 0 auto;
    }

    .site-footer {
      margin-top: 48px;
      background: #edf4f7;
      border-top: 1px solid var(--color-border);
      padding: 58px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .85fr .85fr 1fr;
      gap: 32px;
      align-items: start;
    }

    .footer-title {
      color: var(--color-heading);
      font-weight: 780;
      margin-bottom: 14px;
      font-size: 16px;
    }

    .footer-brand {
      font-size: 20px;
      color: var(--color-heading);
      font-weight: 800;
      margin-bottom: 12px;
      letter-spacing: -.03em;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a,
    .footer-text {
      color: var(--color-muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--color-primary-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .disclaimer {
      margin-top: 24px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,.62);
      border: 1px solid var(--color-border);
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.75;
    }

    .copyright {
      margin-top: 26px;
      padding-top: 22px;
      border-top: 1px solid var(--color-border);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: var(--color-light);
      font-size: 13px;
    }

    @media (max-width: 1199px) {
      :root {
        --section: 78px;
      }

      .brand-name {
        max-width: 300px;
      }

      .main-nav {
        gap: 24px;
      }

      .search-chip {
        min-width: 150px;
      }

      .visual-card {
        min-height: 540px;
      }

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

      .plan-card.featured {
        grid-column: span 2;
      }

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

      .mini-metric {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--color-border);
        padding-top: 18px;
      }
    }

    @media (max-width: 991px) {
      .site-container {
        width: min(100% - 32px, var(--container));
      }

      .main-nav,
      .search-chip {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .hero {
        padding: 62px 0 58px;
      }

      .hero-copy {
        max-width: 100%;
        margin-bottom: 34px;
      }

      .visual-card {
        min-height: 490px;
      }

      .section-head,
      .process-grid,
      .faq-layout,
      .cta-grid {
        grid-template-columns: 1fr;
        display: grid;
        align-items: start;
      }

      .section-head {
        gap: 12px;
      }

      .category-card .grid-x {
        gap: 26px;
      }

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

    @media (max-width: 767px) {
      :root {
        --section: 62px;
      }

      body {
        font-size: 15px;
      }

      .nav-wrap {
        height: 68px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .brand-name {
        max-width: 210px;
        font-size: 15px;
      }

      .brand-sub {
        display: none;
      }

      .hero-actions,
      .tag-row {
        width: 100%;
      }

      .btn {
        width: 100%;
      }

      .trust-line {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
      }

      .visual-card {
        min-height: auto;
        padding: 18px;
        border-radius: 26px;
      }

      .cover-panel {
        height: 260px;
        border-radius: 22px;
      }

      .stat-stack,
      .strip-grid,
      .feature-grid,
      .plan-grid,
      .cta-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .plan-card.featured {
        grid-column: auto;
      }

      .feature-card,
      .feature-card.tall,
      .feature-card.compact {
        min-height: auto;
      }

      .masonry {
        columns: 1;
      }

      .process-band,
      .cta-panel,
      .category-card {
        padding: 24px;
        border-radius: 26px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 479px) {
      .site-container {
        width: min(100% - 24px, var(--container));
      }

      h1 {
        font-size: 36px;
      }

      h2 {
        font-size: 27px;
      }

      .hero-badge {
        align-items: flex-start;
        border-radius: 18px;
      }

      .cover-content strong {
        font-size: 22px;
      }

      .stat-card b {
        font-size: 26px;
      }

      .story-cover {
        height: 190px;
      }

      .mobile-panel {
        width: 92vw;
      }
    }

/* roulang page: category1 */
:root{
      --color-bg:#f7f9fc;
      --color-surface:#ffffff;
      --color-surface-soft:#eef4f8;
      --color-primary:#5f86a8;
      --color-primary-strong:#3f6f95;
      --color-primary-deep:#243f56;
      --color-accent:#6da69b;
      --color-amber:#c6a15d;
      --color-text:#172633;
      --color-muted:#637486;
      --color-light:#8da0b2;
      --color-border:#dce6ef;
      --color-border-strong:#c9d8e5;
      --shadow-sm:0 10px 28px rgba(42,75,101,.08);
      --shadow-md:0 18px 48px rgba(38,72,96,.12);
      --shadow-lg:0 28px 70px rgba(31,61,86,.16);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --container:1240px;
      --section:92px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 12% 8%, rgba(135,169,196,.18), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(109,166,155,.12), transparent 30%),
        linear-gradient(180deg,#fbfdff 0%,var(--color-bg) 48%,#f4f8fb 100%);
      line-height:1.72;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--color-primary-strong)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(95,134,168,.2);color:var(--color-primary-deep)}

    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }

    .skip-link{
      position:absolute;
      left:16px;
      top:-80px;
      z-index:9999;
      background:var(--color-primary-deep);
      color:#fff;
      padding:10px 14px;
      border-radius:10px;
    }
    .skip-link:focus{top:16px;color:#fff;outline:3px solid rgba(95,134,168,.35)}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(251,253,255,.92);
      backdrop-filter:saturate(140%) blur(14px);
      border-bottom:1px solid rgba(220,230,239,.9);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand-mark{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--color-text);
    }
    .brand-symbol{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg,rgba(95,134,168,.95),rgba(109,166,155,.86)),
        radial-gradient(circle at 30% 25%,#fff,transparent 42%);
      box-shadow:0 12px 28px rgba(64,111,149,.2);
      position:relative;
      flex:0 0 auto;
    }
    .brand-symbol:after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(255,255,255,.78);
      border-radius:9px;
    }
    .brand-copy{display:flex;flex-direction:column;line-height:1.15;min-width:0}
    .brand-name{
      font-weight:760;
      letter-spacing:.01em;
      font-size:17px;
      color:var(--color-text);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--color-light);
      margin-top:4px;
      letter-spacing:.08em;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:22px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:28px;
      font-size:15px;
      color:var(--color-muted);
    }
    .main-nav a{
      position:relative;
      padding:26px 0 24px;
      line-height:1;
      outline:none;
    }
    .main-nav a:after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:17px;
      height:2px;
      border-radius:999px;
      background:var(--color-primary-strong);
      transform:scaleX(0);
      transform-origin:center;
      transition:var(--ease);
    }
    .main-nav a:hover:after,
    .main-nav a.active:after{transform:scaleX(1)}
    .main-nav a.active{color:var(--color-text);font-weight:650}
    .nav-utility{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-mini{
      width:190px;
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--color-border);
      border-radius:999px;
      padding:8px 12px;
      background:#fff;
      color:var(--color-light);
      box-shadow:0 8px 22px rgba(41,74,96,.05);
    }
    .search-mini input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--color-text);
      font-size:13px;
    }
    .search-mini:focus-within{
      border-color:var(--color-primary);
      box-shadow:0 0 0 4px rgba(95,134,168,.14);
    }
    .nav-cta{
      border:1px solid var(--color-primary);
      color:var(--color-primary-deep);
      border-radius:999px;
      padding:10px 16px;
      font-size:14px;
      font-weight:650;
      background:#fff;
    }
    .nav-cta:hover{
      background:var(--color-primary-deep);
      color:#fff;
      border-color:var(--color-primary-deep);
      transform:translateY(-1px);
      box-shadow:var(--shadow-sm);
    }
    .mobile-menu-button{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--color-border);
      background:#fff;
      border-radius:14px;
      color:var(--color-primary-deep);
      align-items:center;
      justify-content:center;
      box-shadow:var(--shadow-sm);
    }
    .mobile-menu-button:focus,
    .button:focus,
    .btn:focus,
    input:focus,
    textarea:focus{
      outline:3px solid rgba(95,134,168,.22);
      outline-offset:2px;
    }

    .off-canvas{
      background:#fbfdff;
      padding:24px;
    }
    .mobile-panel-brand{
      font-weight:760;
      color:var(--color-text);
      margin-bottom:22px;
      padding-bottom:18px;
      border-bottom:1px solid var(--color-border);
    }
    .mobile-nav{
      display:grid;
      gap:10px;
    }
    .mobile-nav a{
      padding:13px 14px;
      border-radius:14px;
      color:var(--color-muted);
      border:1px solid transparent;
    }
    .mobile-nav a.active{
      color:var(--color-primary-deep);
      background:var(--color-surface-soft);
      border-color:var(--color-border);
      font-weight:700;
    }

    .page-hero{
      padding:72px 0 44px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--color-light);
      font-size:13px;
      margin-bottom:20px;
    }
    .breadcrumb a{color:var(--color-muted)}
    .breadcrumb a:hover{color:var(--color-primary-strong)}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
      gap:42px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid var(--color-border);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      color:var(--color-primary-deep);
      font-size:13px;
      font-weight:650;
      box-shadow:0 8px 24px rgba(36,63,86,.05);
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(109,166,155,.16);
    }
    h1,h2,h3,p{margin-top:0}
    .hero-title{
      margin:22px 0 18px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.08;
      letter-spacing:-.04em;
      color:var(--color-text);
      font-weight:820;
    }
    .hero-title span{color:var(--color-primary-strong)}
    .hero-lead{
      max-width:720px;
      color:var(--color-muted);
      font-size:18px;
      line-height:1.85;
      margin-bottom:26px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:14px;
      padding:13px 20px;
      min-height:48px;
      border:1px solid transparent;
      font-weight:720;
      font-size:15px;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:var(--color-primary-strong);
      box-shadow:0 14px 34px rgba(63,111,149,.22);
    }
    .btn-primary:hover{
      color:#fff;
      background:var(--color-primary-deep);
      transform:translateY(-2px);
      box-shadow:var(--shadow-md);
    }
    .btn-secondary{
      color:var(--color-primary-deep);
      background:#fff;
      border-color:var(--color-border-strong);
      box-shadow:0 10px 24px rgba(36,63,86,.06);
    }
    .btn-secondary:hover{
      background:var(--color-surface-soft);
      color:var(--color-primary-deep);
      border-color:var(--color-primary);
      transform:translateY(-2px);
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 0;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.8);
      color:var(--color-muted);
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      line-height:1;
    }
    .tag.is-active{
      background:rgba(95,134,168,.12);
      color:var(--color-primary-deep);
      border-color:rgba(95,134,168,.32);
      font-weight:650;
    }
    .hero-visual{
      position:relative;
      min-height:420px;
    }
    .cover-card{
      height:100%;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(160deg,rgba(255,255,255,.94),rgba(238,244,248,.9)),
        radial-gradient(circle at 18% 18%,rgba(95,134,168,.18),transparent 34%);
      border:1px solid rgba(220,230,239,.96);
      box-shadow:var(--shadow-lg);
      padding:28px;
      overflow:hidden;
      position:relative;
    }
    .cover-card:before{
      content:"";
      position:absolute;
      inset:28px 28px auto auto;
      width:170px;
      height:170px;
      border-radius:42px;
      background:linear-gradient(135deg,rgba(95,134,168,.22),rgba(109,166,155,.16));
      transform:rotate(8deg);
    }
    .cover-art{
      position:relative;
      height:230px;
      border-radius:24px;
      overflow:hidden;
      background:
        linear-gradient(135deg,rgba(28,48,64,.06),rgba(95,134,168,.16)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.46) 0,rgba(255,255,255,.46) 1px,transparent 1px,transparent 14px);
      border:1px solid rgba(255,255,255,.72);
    }
    .cover-art:after{
      content:"";
      position:absolute;
      width:72%;
      height:72%;
      left:18%;
      top:16%;
      border-radius:38% 62% 46% 54%;
      background:linear-gradient(145deg,rgba(95,134,168,.38),rgba(198,161,93,.18));
      filter:blur(.2px);
      opacity:.78;
    }
    .cover-meta{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:20px;
    }
    .metric-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:20px;
      padding:18px;
      box-shadow:var(--shadow-sm);
    }
    .metric-card strong{
      display:block;
      font-size:28px;
      line-height:1;
      color:var(--color-primary-deep);
      letter-spacing:-.04em;
    }
    .metric-card span{
      display:block;
      color:var(--color-muted);
      font-size:13px;
      margin-top:8px;
    }
    .status-strip{
      position:absolute;
      left:34px;
      right:34px;
      bottom:30px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px 16px;
      border:1px solid rgba(220,230,239,.95);
      background:rgba(255,255,255,.88);
      border-radius:18px;
      backdrop-filter:blur(12px);
      box-shadow:var(--shadow-sm);
      color:var(--color-muted);
      font-size:13px;
    }
    .status-strip b{color:var(--color-primary-deep)}

    .section{
      padding:var(--section) 0;
    }
    .section-tight{padding:58px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--color-primary-strong);
      font-weight:760;
      font-size:14px;
      letter-spacing:.08em;
      margin-bottom:10px;
    }
    .section-title{
      font-size:clamp(28px,3.6vw,40px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin-bottom:12px;
      color:var(--color-text);
      font-weight:810;
    }
    .section-desc{
      color:var(--color-muted);
      font-size:17px;
      max-width:760px;
      margin-bottom:0;
    }

    .filter-panel{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .filter-top{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
      padding-bottom:18px;
      border-bottom:1px solid var(--color-border);
      margin-bottom:18px;
    }
    .filter-title{
      font-size:18px;
      font-weight:760;
      color:var(--color-text);
    }
    .filter-state{
      color:var(--color-muted);
      font-size:13px;
    }
    .filter-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .filter-chip{
      border:1px solid var(--color-border);
      background:#fff;
      color:var(--color-muted);
      border-radius:999px;
      padding:9px 13px;
      font-size:13px;
      transition:var(--ease);
    }
    .filter-chip:hover,
    .filter-chip.active{
      border-color:rgba(95,134,168,.38);
      background:rgba(95,134,168,.1);
      color:var(--color-primary-deep);
      transform:translateY(-1px);
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .masonry-list{
      columns:2 300px;
      column-gap:22px;
    }
    .topic-card{
      display:inline-block;
      width:100%;
      break-inside:avoid;
      margin:0 0 22px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:rgba(95,134,168,.42);
      box-shadow:var(--shadow-md);
    }
    .topic-cover{
      position:relative;
      height:190px;
      background:
        linear-gradient(135deg,rgba(95,134,168,.15),rgba(109,166,155,.09)),
        radial-gradient(circle at 70% 25%,rgba(198,161,93,.18),transparent 36%),
        linear-gradient(180deg,#f8fbfd,#eaf1f6);
      overflow:hidden;
    }
    .topic-cover.tall{height:260px}
    .topic-cover.short{height:145px}
    .topic-cover:before{
      content:"";
      position:absolute;
      inset:22px;
      border-radius:28px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.48),rgba(255,255,255,.14)),
        repeating-linear-gradient(90deg,rgba(36,63,86,.06) 0,rgba(36,63,86,.06) 1px,transparent 1px,transparent 16px);
      border:1px solid rgba(255,255,255,.74);
      transform:rotate(-2deg);
    }
    .topic-cover:after{
      content:"";
      position:absolute;
      right:24px;
      bottom:24px;
      width:72px;
      height:72px;
      border-radius:24px;
      background:rgba(95,134,168,.24);
      box-shadow:36px -28px 0 rgba(109,166,155,.13);
    }
    .topic-body{padding:22px}
    .topic-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      color:var(--color-light);
      font-size:12px;
      margin-bottom:12px;
    }
    .topic-label{
      display:inline-flex;
      align-items:center;
      color:var(--color-primary-deep);
      background:rgba(95,134,168,.1);
      border:1px solid rgba(95,134,168,.18);
      border-radius:999px;
      padding:6px 10px;
      font-weight:650;
    }
    .topic-card h3{
      font-size:21px;
      line-height:1.34;
      margin-bottom:10px;
      color:var(--color-text);
      font-weight:780;
      letter-spacing:-.02em;
    }
    .topic-card p{
      color:var(--color-muted);
      margin-bottom:16px;
      font-size:15px;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-primary-strong);
      font-weight:700;
      font-size:14px;
    }
    .card-link:hover{gap:12px}

    .side-stack{
      display:grid;
      gap:18px;
      position:sticky;
      top:98px;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-sm);
    }
    .side-card h3{
      font-size:18px;
      margin-bottom:14px;
      font-weight:780;
      color:var(--color-text);
    }
    .rank-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .rank-list li{
      display:grid;
      grid-template-columns:30px 1fr;
      gap:10px;
      align-items:start;
      padding-bottom:14px;
      border-bottom:1px solid var(--color-border);
    }
    .rank-list li:last-child{border-bottom:0;padding-bottom:0}
    .rank-no{
      width:30px;
      height:30px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--color-surface-soft);
      color:var(--color-primary-deep);
      font-weight:760;
      font-size:13px;
    }
    .rank-title{font-weight:700;color:var(--color-text);line-height:1.45}
    .rank-note{font-size:12px;color:var(--color-light);margin-top:3px}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag-cloud a{
      border:1px solid var(--color-border);
      border-radius:999px;
      padding:7px 10px;
      color:var(--color-muted);
      font-size:12px;
      background:#fff;
    }
    .tag-cloud a:hover{
      background:var(--color-surface-soft);
      border-color:var(--color-primary);
      color:var(--color-primary-deep);
    }
    .mini-faq{
      display:grid;
      gap:12px;
    }
    .mini-faq-item{
      padding:14px;
      border-radius:16px;
      background:var(--color-surface-soft);
      border:1px solid rgba(220,230,239,.75);
    }
    .mini-faq-item b{display:block;color:var(--color-text);margin-bottom:4px}
    .mini-faq-item span{font-size:13px;color:var(--color-muted)}
    .contact-box{
      background:linear-gradient(180deg,#fff,#f1f6fa);
      border-color:rgba(95,134,168,.24);
    }
    .contact-box p{color:var(--color-muted);font-size:14px;margin-bottom:16px}

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .process-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .process-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(95,134,168,.38);
    }
    .process-card:after{
      content:"";
      position:absolute;
      right:-32px;
      top:-32px;
      width:96px;
      height:96px;
      border-radius:30px;
      background:rgba(95,134,168,.08);
      transform:rotate(18deg);
    }
    .step-no{
      width:42px;
      height:42px;
      border-radius:15px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--color-primary-deep);
      color:#fff;
      font-weight:760;
      margin-bottom:18px;
      box-shadow:0 10px 24px rgba(36,63,86,.18);
    }
    .process-card h3{
      font-size:19px;
      margin-bottom:10px;
      font-weight:780;
    }
    .process-card p{color:var(--color-muted);font-size:15px;margin-bottom:0}

    .compare-band{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      padding:30px;
      box-shadow:var(--shadow-md);
    }
    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .compare-card{
      padding:24px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,#ffffff,#f7fafc);
    }
    .compare-card.featured{
      border-color:rgba(95,134,168,.45);
      background:linear-gradient(180deg,rgba(95,134,168,.12),#fff);
      box-shadow:var(--shadow-sm);
    }
    .compare-card h3{
      font-size:20px;
      font-weight:780;
      margin-bottom:12px;
    }
    .compare-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
      color:var(--color-muted);
      font-size:14px;
    }
    .compare-list li{
      display:flex;
      gap:8px;
      align-items:flex-start;
    }
    .compare-list li:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      margin-top:9px;
      flex:0 0 auto;
    }

    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      border:1px solid var(--color-border);
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      margin-bottom:14px;
    }
    .accordion-title{
      border:0;
      color:var(--color-text);
      font-weight:760;
      font-size:16px;
      padding:20px 54px 20px 22px;
      background:#fff;
    }
    .accordion-title:hover,
    .accordion-title:focus{
      background:var(--color-surface-soft);
      color:var(--color-primary-deep);
    }
    .accordion-title:before{
      color:var(--color-primary-strong);
      right:22px;
      margin-top:-10px;
      font-size:22px;
    }
    .accordion-content{
      border:0;
      border-top:1px solid var(--color-border);
      color:var(--color-muted);
      padding:20px 22px 22px;
      line-height:1.8;
    }

    .cta-section{
      padding:88px 0 96px;
    }
    .cta-panel{
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(36,63,86,.96),rgba(63,111,149,.92)),
        radial-gradient(circle at 82% 18%,rgba(109,166,155,.36),transparent 34%);
      color:#fff;
      padding:42px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      right:-70px;
      top:-90px;
      width:260px;
      height:260px;
      border-radius:70px;
      background:rgba(255,255,255,.07);
      transform:rotate(18deg);
    }
    .cta-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr 420px;
      gap:34px;
      align-items:start;
    }
    .cta-panel h2{
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin-bottom:16px;
      color:#fff;
      font-weight:820;
    }
    .cta-panel p{
      color:rgba(255,255,255,.76);
      max-width:680px;
      font-size:16px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .trust-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,255,255,.2);
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.86);
      border-radius:999px;
      padding:9px 12px;
      font-size:13px;
    }
    .contact-form{
      background:#fff;
      border-radius:24px;
      padding:24px;
      box-shadow:0 24px 64px rgba(0,0,0,.16);
      color:var(--color-text);
    }
    .form-row{margin-bottom:14px}
    .contact-form label{
      display:block;
      font-size:13px;
      font-weight:700;
      color:var(--color-primary-deep);
      margin-bottom:7px;
    }
    .contact-form input,
    .contact-form textarea{
      width:100%;
      border:1px solid var(--color-border);
      border-radius:14px;
      background:#f9fbfd;
      padding:12px 13px;
      color:var(--color-text);
      box-shadow:none;
      margin:0;
    }
    .contact-form textarea{min-height:108px;resize:vertical}
    .contact-form input:focus,
    .contact-form textarea:focus{
      border-color:var(--color-primary);
      background:#fff;
      box-shadow:0 0 0 4px rgba(95,134,168,.14);
      outline:0;
    }
    .form-note{
      color:var(--color-light);
      font-size:12px;
      margin:10px 0 0;
      line-height:1.6;
    }

    .site-footer{
      background:#eef4f8;
      border-top:1px solid var(--color-border);
      padding:58px 0 30px;
      color:var(--color-muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr 1fr 1.1fr;
      gap:34px;
      margin-bottom:28px;
    }
    .footer-brand{
      font-size:20px;
      font-weight:810;
      color:var(--color-text);
      margin-bottom:12px;
      letter-spacing:-.02em;
    }
    .footer-title{
      color:var(--color-text);
      font-weight:760;
      margin-bottom:12px;
      font-size:15px;
    }
    .footer-text{
      color:var(--color-muted);
      font-size:14px;
      margin-bottom:8px;
      line-height:1.75;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:var(--color-muted);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--color-primary-strong);
      text-decoration:underline;
      text-underline-offset:4px;
    }
    .disclaimer{
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.62);
      border-radius:18px;
      padding:18px;
      color:var(--color-muted);
      font-size:13px;
      line-height:1.8;
      margin-bottom:18px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:18px;
      border-top:1px solid var(--color-border);
      color:var(--color-light);
      font-size:13px;
    }

    @media (max-width:1199px){
      :root{--section:78px}
      .search-mini{display:none}
      .hero-grid{grid-template-columns:1fr .86fr}
      .content-layout{grid-template-columns:minmax(0,1fr) 310px}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:991px){
      .main-nav,.nav-utility{display:none}
      .mobile-menu-button{display:inline-flex}
      .header-inner{min-height:68px}
      .brand-name{max-width:260px}
      .page-hero{padding:50px 0 32px}
      .hero-grid{grid-template-columns:1fr;gap:26px}
      .hero-visual{min-height:auto}
      .cover-card{min-height:420px}
      .content-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:1fr 1fr}
      .compare-grid{grid-template-columns:1fr}
      .cta-grid{grid-template-columns:1fr}
    }
    @media (max-width:767px){
      .site-container{width:min(calc(100% - 28px),var(--container))}
      :root{--section:62px}
      .brand-sub{display:none}
      .brand-name{max-width:220px;font-size:15px}
      .hero-title{letter-spacing:-.03em}
      .hero-lead{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .cover-card{padding:20px;border-radius:24px;min-height:390px}
      .cover-art{height:195px}
      .cover-meta{grid-template-columns:1fr}
      .status-strip{position:static;margin-top:16px;align-items:flex-start;flex-direction:column}
      .filter-top{align-items:flex-start;flex-direction:column}
      .masonry-list{columns:1}
      .side-stack{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .cta-panel{padding:28px 20px;border-radius:24px}
      .contact-form{padding:20px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .header-inner{gap:12px}
      .brand-symbol{width:34px;height:34px;border-radius:12px}
      .brand-name{max-width:180px}
      .page-hero{padding-top:38px}
      .section-title{font-size:27px}
      .topic-cover,
      .topic-cover.tall,
      .topic-cover.short{height:170px}
      .compare-band{padding:20px;border-radius:22px}
      .copyright{display:grid}
    }