/* roulang page: index */
:root {
      --bg: #08111f;
      --bg-2: #0d1b2f;
      --panel: rgba(13, 27, 47, .68);
      --panel-strong: rgba(15, 32, 55, .86);
      --line: rgba(148, 163, 184, .22);
      --line-bright: rgba(56, 189, 248, .55);
      --text: #e5eefc;
      --muted: #9fb2cc;
      --dim: #64748b;
      --cyan: #38bdf8;
      --violet: #7c3aed;
      --green: #22c55e;
      --amber: #f59e0b;
      --radius: 10px;
      --shadow: 0 22px 60px rgba(0, 0, 0, .36);
      --glow: 0 0 0 1px rgba(56, 189, 248, .22), 0 0 28px rgba(56, 189, 248, .18);
    }

    * {
      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(--text);
      background:
        linear-gradient(rgba(8,17,31,.94), rgba(8,17,31,.96)),
        radial-gradient(circle at 20% 10%, rgba(56,189,248,.18), transparent 34%),
        radial-gradient(circle at 78% 4%, rgba(124,58,237,.18), transparent 32%),
        repeating-linear-gradient(0deg, rgba(148,163,184,.04) 0, rgba(148,163,184,.04) 1px, transparent 1px, transparent 38px),
        repeating-linear-gradient(90deg, rgba(148,163,184,.035) 0, rgba(148,163,184,.035) 1px, transparent 1px, transparent 38px),
        var(--bg);
      line-height: 1.72;
      min-height: 100vh;
      overflow-x: hidden;
    }

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

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

    button {
      cursor: pointer;
    }

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

    .container {
      width: min(1220px, calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(8, 17, 31, .78);
      backdrop-filter: blur(18px);
      box-shadow: 0 14px 40px rgba(0,0,0,.22);
    }

    .nav-shell {
      min-height: 76px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 22px;
      padding: 12px 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      color: var(--text);
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, rgba(56,189,248,.95), rgba(124,58,237,.86));
      box-shadow: 0 0 28px rgba(56,189,248,.3);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 1px solid rgba(255,255,255,.72);
      border-radius: 5px;
    }

    .brand-text {
      max-width: 270px;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      letter-spacing: .01em;
    }

    .nav-tabs {
      display: flex;
      justify-content: center;
      min-width: 0;
    }

    .tabs-track {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(13,27,47,.58);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
      overflow-x: auto;
      scrollbar-width: none;
    }

    .tabs-track::-webkit-scrollbar {
      display: none;
    }

    .nav-chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 16px;
      border: 1px solid transparent;
      border-radius: 8px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
      transition: .2s ease;
    }

    .nav-chip:hover,
    .nav-chip:focus-visible {
      color: var(--text);
      border-color: var(--line-bright);
      background: rgba(56,189,248,.08);
      outline: none;
    }

    .nav-chip.active {
      color: var(--text);
      border-color: rgba(56,189,248,.48);
      background: rgba(56,189,248,.12);
      box-shadow: inset 0 0 18px rgba(56,189,248,.12);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 8px;
      border: 1px solid transparent;
      font-weight: 750;
      transition: .2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #03111f;
      background: linear-gradient(135deg, #38bdf8, #66e1ff 48%, #22c55e);
      box-shadow: 0 0 28px rgba(56,189,248,.32);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 0 42px rgba(56,189,248,.46);
      outline: none;
    }

    .btn-secondary {
      color: var(--text);
      border-color: var(--line);
      background: rgba(13,27,47,.48);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      border-color: var(--line-bright);
      background: rgba(56,189,248,.08);
      outline: none;
    }

    .btn-amber {
      color: #191005;
      background: linear-gradient(135deg, #f59e0b, #f7c948);
      box-shadow: 0 0 24px rgba(245,158,11,.22);
    }

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

    .section {
      padding: 76px 0;
      position: relative;
    }

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 14px rgba(34,197,94,.55);
    }

    h1,
    h2,
    h3 {
      margin: 0;
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    h1 {
      font-size: clamp(30px, 5vw, 54px);
    }

    h2 {
      font-size: clamp(24px, 3vw, 32px);
    }

    h3 {
      font-size: 18px;
    }

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

    .hero {
      padding: 58px 0 78px;
    }

    .hero-board {
      border: 1px solid rgba(56,189,248,.24);
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(13,27,47,.86), rgba(8,17,31,.62)),
        linear-gradient(90deg, rgba(56,189,248,.09), rgba(124,58,237,.08));
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      position: relative;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.05), transparent);
      transform: translateX(-100%);
      animation: scan 6s linear infinite;
      pointer-events: none;
    }

    @keyframes scan {
      0% { transform: translateX(-100%); }
      60%, 100% { transform: translateX(100%); }
    }

    .hero-inner {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 34px;
      padding: 42px;
      position: relative;
      z-index: 1;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 22px;
    }

    .hero-copy p {
      max-width: 760px;
      font-size: 16px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .metric-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 4px;
    }

    .metric {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(8,17,31,.42);
    }

    .metric strong {
      display: block;
      color: var(--text);
      font-size: 21px;
      line-height: 1.2;
    }

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

    .progress-console {
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(5,12,24,.42);
      padding: 22px;
      display: grid;
      gap: 18px;
      align-content: start;
    }

    .ring-area {
      display: grid;
      grid-template-columns: 138px 1fr;
      gap: 18px;
      align-items: center;
    }

    .progress-ring {
      width: 138px;
      height: 138px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: conic-gradient(var(--cyan) 0 76%, rgba(148,163,184,.14) 76% 100%);
      box-shadow: 0 0 30px rgba(56,189,248,.22);
      position: relative;
    }

    .progress-ring::after {
      content: "";
      position: absolute;
      inset: 13px;
      border-radius: inherit;
      background: #07101e;
      border: 1px solid rgba(255,255,255,.06);
    }

    .ring-value {
      position: relative;
      z-index: 1;
      text-align: center;
    }

    .ring-value b {
      display: block;
      font-size: 30px;
      line-height: 1;
    }

    .ring-value small {
      color: var(--muted);
      font-size: 12px;
    }

    .tier-list {
      display: grid;
      gap: 10px;
    }

    .tier {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 12px;
      border: 1px solid rgba(148,163,184,.18);
      border-radius: 8px;
      background: rgba(13,27,47,.52);
    }

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

    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--green);
      font-size: 13px;
      font-weight: 800;
    }

    .status::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: currentColor;
      box-shadow: 0 0 12px currentColor;
    }

    .panel-card,
    .feature-card,
    .case-card,
    .plan-card,
    .news-panel,
    .form-panel,
    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: 0 18px 46px rgba(0,0,0,.2);
      backdrop-filter: blur(16px);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .feature-card {
      padding: 20px;
      transition: .2s ease;
    }

    .feature-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-bright);
      box-shadow: var(--glow);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 25px;
      padding: 0 9px;
      border-radius: 7px;
      border: 1px solid rgba(56,189,248,.25);
      background: rgba(56,189,248,.08);
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
    }

    .param-list {
      display: grid;
      gap: 9px;
      margin-top: 16px;
    }

    .param {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding-top: 9px;
      border-top: 1px solid rgba(148,163,184,.12);
      color: var(--muted);
      font-size: 13px;
    }

    .param b {
      color: var(--text);
      font-weight: 700;
    }

    .time-flow {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .time-card {
      min-height: 210px;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(13,27,47,.78), rgba(8,17,31,.58));
      position: relative;
      overflow: hidden;
    }

    .time-card::after {
      content: "";
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 18px;
      height: 4px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--cyan), rgba(124,58,237,.2));
    }

    .step-no {
      color: var(--cyan);
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 22px;
      display: block;
    }

    .directory-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 16px;
    }

    .directory-card {
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(13,27,47,.66);
      min-height: 190px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: .2s ease;
    }

    .directory-card:hover {
      border-color: var(--line-bright);
      transform: translateY(-2px);
    }

    .directory-card.large {
      background: linear-gradient(135deg, rgba(56,189,248,.13), rgba(124,58,237,.1)), rgba(13,27,47,.66);
    }

    .count {
      color: var(--green);
      font-weight: 800;
      font-size: 14px;
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .benefit {
      padding: 18px;
      border: 1px solid rgba(148,163,184,.18);
      border-radius: var(--radius);
      background: rgba(8,17,31,.46);
    }

    .benefit-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      background: rgba(56,189,248,.12);
      color: var(--cyan);
      border: 1px solid rgba(56,189,248,.25);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.4fr .6fr;
      gap: 18px;
    }

    .news-panel {
      padding: 18px;
    }

    .news-list {
      display: grid;
      gap: 10px;
    }

    .news-link {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 15px;
      border: 1px solid rgba(148,163,184,.14);
      border-radius: 8px;
      background: rgba(8,17,31,.38);
      transition: .2s ease;
    }

    .news-link:hover,
    .news-link:focus-visible {
      border-color: var(--line-bright);
      background: rgba(56,189,248,.07);
      outline: none;
    }

    .news-link b {
      display: block;
      margin-bottom: 3px;
    }

    .news-link span,
    .recommend p {
      color: var(--muted);
      font-size: 13px;
    }

    .recommend {
      display: grid;
      gap: 12px;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .case-card {
      padding: 20px;
    }

    .score {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }

    .score b {
      color: var(--cyan);
      font-size: 26px;
      line-height: 1;
    }

    .plans {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .plan-card {
      padding: 22px;
      display: flex;
      flex-direction: column;
      gap: 18px;
      position: relative;
    }

    .plan-card.featured {
      border-color: rgba(56,189,248,.56);
      box-shadow: var(--glow);
      background: linear-gradient(180deg, rgba(56,189,248,.12), rgba(13,27,47,.7));
    }

    .plan-list {
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .plan-list li {
      display: flex;
      gap: 9px;
    }

    .plan-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--green);
      flex: 0 0 auto;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 20px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      padding: 18px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      font-weight: 800;
    }

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

    .faq-item summary::after {
      content: "+";
      color: var(--cyan);
      font-size: 22px;
      line-height: 1;
      transition: .2s ease;
    }

    .faq-item[open] {
      border-color: var(--line-bright);
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-item p {
      padding: 0 20px 18px;
      font-size: 14px;
    }

    .form-panel {
      padding: 26px;
    }

    .filter-form {
      display: grid;
      grid-template-columns: 1.1fr .7fr .7fr auto;
      gap: 12px;
      align-items: end;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field label {
      color: var(--text);
      font-weight: 700;
      font-size: 13px;
    }

    .input,
    .select {
      width: 100%;
      min-height: 46px;
      border: 1px solid rgba(148,163,184,.22);
      border-radius: 8px;
      background: rgba(8,17,31,.64);
      color: var(--text);
      padding: 0 13px;
      outline: none;
      transition: .2s ease;
    }

    .input::placeholder {
      color: var(--dim);
    }

    .input:hover,
    .select:hover {
      border-color: rgba(56,189,248,.36);
    }

    .input:focus,
    .select:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(56,189,248,.18);
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: rgba(5,12,24,.74);
      padding: 42px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr 1fr;
      gap: 24px;
    }

    .footer-title {
      color: var(--text);
      font-weight: 800;
      margin-bottom: 12px;
    }

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

    .footer-links a {
      color: var(--muted);
      transition: .2s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--cyan);
      outline: none;
    }

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(148,163,184,.14);
      color: var(--dim);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .nav-shell {
        grid-template-columns: 1fr auto;
      }

      .nav-tabs {
        grid-column: 1 / -1;
        justify-content: flex-start;
      }

      .hero-inner,
      .section-heading,
      .news-layout,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .feature-grid,
      .case-grid,
      .plans,
      .benefit-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .time-flow,
      .directory-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .filter-form {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, 1220px);
      }

      .section {
        padding: 54px 0;
      }

      .hero {
        padding-top: 34px;
      }

      .hero-inner {
        padding: 24px;
      }

      .metric-row,
      .feature-grid,
      .case-grid,
      .plans,
      .benefit-grid,
      .time-flow,
      .directory-grid,
      .footer-grid,
      .filter-form {
        grid-template-columns: 1fr;
      }

      .ring-area {
        grid-template-columns: 1fr;
      }

      .progress-ring {
        margin: 0 auto;
      }

      .brand-text {
        max-width: 190px;
      }

      .site-cta {
        padding-inline: 12px;
      }
    }

    @media (max-width: 520px) {
      .nav-shell {
        grid-template-columns: 1fr;
      }

      .site-cta {
        width: 100%;
      }

      .tabs-track {
        width: 100%;
      }

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

      .news-link {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category1 */
:root{
  --bg:#08111f;
  --bg-2:#0d1b2f;
  --bg-3:#12233d;
  --card:rgba(13,27,47,.72);
  --card-2:rgba(22,54,95,.52);
  --line:rgba(148,163,184,.22);
  --line-strong:rgba(56,189,248,.55);
  --text:#e5eefc;
  --muted:#9fb2cc;
  --soft:#64748b;
  --cyan:#38bdf8;
  --violet:#7c3aed;
  --green:#22c55e;
  --amber:#f59e0b;
  --shadow:0 20px 60px rgba(1,6,20,.45);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
  background:
    radial-gradient(1200px circle at 12% -10%, rgba(56,189,248,.14), transparent 35%),
    radial-gradient(1000px circle at 92% 0%, rgba(124,58,237,.12), transparent 30%),
    linear-gradient(180deg, #07111f 0%, #08111f 35%, #07131f 100%);
  color:var(--text);
  line-height:1.75;
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(148,163,184,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.05) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.3) 70%, transparent);
  opacity:.45;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{max-width:100%;display:block}
::selection{background:rgba(56,189,248,.28);color:#fff}
.container{
  width:min(1280px, calc(100% - 32px));
  margin:0 auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(8,17,31,.76);
  border-bottom:1px solid rgba(148,163,184,.12);
}
.nav-shell{
  min-height:78px;
  display:flex;
  align-items:center;
  gap:18px;
  justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 0 0 6px rgba(56,189,248,.08), 0 0 24px rgba(56,189,248,.35);
}
.brand-text{
  font-weight:800;
  letter-spacing:.2px;
  color:var(--text);
  font-size:16px;
}
.nav-tabs{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  justify-content:center;
}
.tabs-track{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px;
  border:1px solid rgba(148,163,184,.14);
  border-radius:999px;
  background:rgba(13,27,47,.46);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  overflow:auto;
  scrollbar-width:none;
}
.tabs-track::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid transparent;
  color:var(--muted);
  font-size:14px;
  white-space:nowrap;
  transition:all .22s ease;
  background:transparent;
}
.nav-chip:hover,
.nav-chip:focus-visible{
  color:var(--text);
  border-color:rgba(56,189,248,.52);
  background:rgba(56,189,248,.08);
  outline:none;
  box-shadow:0 0 0 3px rgba(56,189,248,.08);
}
.nav-chip.active{
  color:var(--text);
  background:linear-gradient(135deg, rgba(56,189,248,.16), rgba(124,58,237,.14));
  border-color:rgba(56,189,248,.46);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02), 0 0 24px rgba(56,189,248,.12);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  min-height:44px;
  padding:0 18px;
  border-radius:10px;
  border:1px solid transparent;
  font-weight:700;
  transition:all .2s ease;
  cursor:pointer;
  user-select:none;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.btn-primary{
  color:#06101d;
  background:linear-gradient(135deg, #67e8f9 0%, #38bdf8 42%, #7c3aed 100%);
  box-shadow:0 12px 28px rgba(56,189,248,.22), 0 0 0 1px rgba(255,255,255,.05) inset;
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 16px 36px rgba(56,189,248,.26), 0 0 24px rgba(56,189,248,.14);
}
.btn-secondary{
  color:var(--text);
  background:rgba(13,27,47,.56);
  border-color:rgba(148,163,184,.24);
}
.btn-secondary:hover{
  transform:translateY(-1px);
  border-color:rgba(56,189,248,.52);
  box-shadow:0 0 0 1px rgba(56,189,248,.08), 0 12px 28px rgba(2,8,23,.28);
}
.btn-amber{
  color:#fff;
  background:linear-gradient(135deg, rgba(245,158,11,.96), rgba(217,119,6,.96));
  box-shadow:0 12px 26px rgba(245,158,11,.18);
}
.site-cta{flex:0 0 auto}
.hero{
  position:relative;
  padding:34px 0 18px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:stretch;
}
.hero-copy{
  padding:14px 0;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border:1px solid rgba(56,189,248,.22);
  border-radius:999px;
  color:#bfe9ff;
  background:rgba(56,189,248,.06);
  font-size:13px;
}
.kicker .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 4px rgba(34,197,94,.12);
}
h1{
  margin:18px 0 14px;
  font-size:clamp(32px, 5vw, 54px);
  line-height:1.12;
  letter-spacing:.1px;
  font-weight:800;
}
.hero p{
  margin:0;
  color:var(--muted);
  font-size:16px;
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.metrics{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:26px;
}
.metric{
  padding:16px 16px 14px;
  border-radius:var(--radius);
  background:rgba(13,27,47,.58);
  border:1px solid rgba(148,163,184,.2);
  box-shadow:var(--shadow);
}
.metric .num{
  font-size:22px;
  font-weight:800;
  color:#f0f8ff;
}
.metric .label{
  margin-top:6px;
  color:var(--muted);
  font-size:13px;
}
.stage{
  position:relative;
  min-height:100%;
  padding:18px;
  border-radius:22px;
  background:
    linear-gradient(180deg, rgba(13,27,47,.88), rgba(13,27,47,.58)),
    radial-gradient(circle at 20% 20%, rgba(56,189,248,.16), transparent 32%),
    radial-gradient(circle at 85% 20%, rgba(124,58,237,.14), transparent 26%);
  border:1px solid rgba(148,163,184,.18);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.stage:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), transparent 15%),
    linear-gradient(135deg, rgba(56,189,248,.08), transparent 38%);
  pointer-events:none;
}
.panel{
  position:relative;
  z-index:1;
}
.panel-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:14px;
}
.panel-title{
  font-size:18px;
  font-weight:800;
}
.panel-sub{
  color:var(--muted);
  font-size:13px;
}
.status-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:16px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:32px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(148,163,184,.18);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:13px;
}
.badge i{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(56,189,248,.1);
  display:inline-block;
}
.badge.green i{background:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.12)}
.badge.amber i{background:var(--amber);box-shadow:0 0 0 4px rgba(245,158,11,.12)}
.console-grid{
  display:grid;
  gap:12px;
  grid-template-columns:repeat(2, minmax(0,1fr));
}
.console-card{
  padding:15px;
  border-radius:var(--radius);
  background:rgba(13,27,47,.62);
  border:1px solid rgba(148,163,184,.2);
  transition:all .2s ease;
}
.console-card:hover{
  transform:translateY(-2px);
  border-color:rgba(56,189,248,.42);
  box-shadow:0 0 0 1px rgba(56,189,248,.06), 0 14px 30px rgba(1,6,20,.22);
}
.console-card h3{
  margin:0 0 6px;
  font-size:16px;
}
.console-card p{
  margin:0 0 10px;
  font-size:14px;
  color:var(--muted);
}
.pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.pill{
  padding:6px 10px;
  border-radius:999px;
  background:rgba(56,189,248,.08);
  border:1px solid rgba(56,189,248,.16);
  color:#c7efff;
  font-size:12px;
}
.section{
  padding:28px 0;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:16px;
  margin-bottom:18px;
}
.section h2{
  margin:0;
  font-size:clamp(24px, 3vw, 32px);
  line-height:1.18;
  font-weight:800;
}
.section .lead{
  margin:0;
  max-width:680px;
  color:var(--muted);
  font-size:15px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:16px;
}
.feature-card,
.case-card,
.price-card,
.faq-item,
.filter-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.feature-card,
.case-card,
.price-card{
  padding:18px;
  transition:all .2s ease;
}
.feature-card:hover,
.case-card:hover,
.price-card:hover{
  transform:translateY(-2px);
  border-color:rgba(56,189,248,.4);
  box-shadow:0 0 0 1px rgba(56,189,248,.06), 0 16px 28px rgba(1,6,20,.24);
}
.feature-top,
.case-top,
.price-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.feature-tag,
.case-tag,
.price-tag{
  font-size:12px;
  letter-spacing:.2px;
  color:#d8f3ff;
  padding:5px 10px;
  border-radius:999px;
  background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.18);
}
.feature-card h3,
.case-card h3,
.price-card h3{
  margin:0 0 8px;
  font-size:18px;
  line-height:1.3;
}
.feature-card p,
.case-card p,
.price-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.spec-list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.spec-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--text);
  font-size:14px;
}
.spec-list li:before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  margin-top:.5rem;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 0 0 4px rgba(56,189,248,.08);
  flex:0 0 auto;
}
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:14px;
}
.timeline:before{
  content:"";
  position:absolute;
  left:7%;
  right:7%;
  top:26px;
  height:2px;
  background:linear-gradient(90deg, rgba(56,189,248,.12), rgba(56,189,248,.5), rgba(124,58,237,.32));
  opacity:.6;
}
.step{
  position:relative;
  padding:18px;
  background:rgba(13,27,47,.58);
  border:1px solid rgba(148,163,184,.2);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.step .index{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg, rgba(56,189,248,.22), rgba(124,58,237,.18));
  border:1px solid rgba(56,189,248,.24);
  color:#dff8ff;
  font-weight:800;
  margin-bottom:12px;
}
.step h3{
  margin:0 0 8px;
  font-size:17px;
}
.step p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.quote-list{
  display:grid;
  gap:14px;
}
.quote{
  padding:18px;
  border-radius:var(--radius);
  border:1px solid rgba(148,163,184,.18);
  background:linear-gradient(180deg, rgba(13,27,47,.72), rgba(13,27,47,.58));
}
.quote .meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.quote .id{
  font-weight:800;
  color:#dff7ff;
}
.quote .state{
  font-size:12px;
  padding:5px 10px;
  border-radius:999px;
  border:1px solid rgba(34,197,94,.18);
  color:#caefd6;
  background:rgba(34,197,94,.08);
}
.quote p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.quote .foot{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.form-card{
  padding:18px;
  border-radius:var(--radius-lg);
  background:rgba(13,27,47,.62);
  border:1px solid rgba(148,163,184,.2);
  box-shadow:var(--shadow);
}
.form-row{
  display:grid;
  grid-template-columns:1.5fr .9fr .8fr auto;
  gap:12px;
  align-items:end;
}
.field label{
  display:block;
  margin:0 0 8px;
  color:#d7e7fb;
  font-size:13px;
}
.field input,
.field select{
  width:100%;
  min-height:46px;
  border-radius:10px;
  border:1px solid rgba(148,163,184,.22);
  background:rgba(7,17,31,.7);
  color:var(--text);
  padding:0 14px;
  transition:all .2s ease;
}
.field input::placeholder{color:#7d91af}
.field input:hover,
.field select:hover{
  border-color:rgba(56,189,248,.34);
}
.field input:focus,
.field select:focus{
  outline:none;
  border-color:rgba(56,189,248,.82);
  box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.helper-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:12px;
}
.toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding:8px 10px;
  border:1px solid rgba(148,163,184,.16);
  border-radius:999px;
  background:rgba(255,255,255,.02);
}
.toggle input{accent-color:var(--cyan)}
.faq-wrap{
  display:grid;
  gap:12px;
}
.faq-item{
  overflow:hidden;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:transparent;
  color:var(--text);
  padding:18px;
  border:0;
  cursor:pointer;
  text-align:left;
}
.faq-q span{
  font-size:16px;
  font-weight:700;
}
.faq-q .icon{
  width:28px;height:28px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(56,189,248,.08);
  border:1px solid rgba(56,189,248,.16);
  transition:transform .22s ease;
  flex:0 0 auto;
}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
  border-top:1px solid rgba(148,163,184,.12);
}
.faq-a div{
  padding:0 18px 18px;
  color:var(--muted);
  font-size:14px;
}
.faq-item.open .faq-a{max-height:220px}
.price-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:16px;
}
.price-card{
  position:relative;
}
.price-card.featured{
  border-color:rgba(56,189,248,.46);
  background:
    linear-gradient(180deg, rgba(13,27,47,.74), rgba(13,27,47,.6)),
    linear-gradient(135deg, rgba(56,189,248,.12), rgba(124,58,237,.1));
}
.price{
  margin:12px 0 14px;
  display:flex;
  align-items:baseline;
  gap:8px;
}
.price strong{
  font-size:28px;
  font-weight:800;
}
.price span{
  color:var(--muted);
  font-size:13px;
}
.price-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:18px;
}
.callout{
  padding:20px;
  border-radius:22px;
  background:
    linear-gradient(135deg, rgba(56,189,248,.12), rgba(124,58,237,.12)),
    rgba(13,27,47,.68);
  border:1px solid rgba(56,189,248,.22);
  box-shadow:var(--shadow);
}
.callout-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
}
.callout h2{
  margin:0 0 8px;
}
.callout p{
  margin:0;
  color:var(--muted);
}
.site-footer{
  margin-top:32px;
  padding:30px 0 24px;
  border-top:1px solid rgba(148,163,184,.14);
  background:rgba(5,10,18,.48);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr 1fr;
  gap:18px;
}
.footer-title{
  font-weight:800;
  margin-bottom:12px;
  color:#f1f7ff;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:var(--muted);
  transition:color .18s ease, transform .18s ease;
}
.footer-links a:hover,
.footer-links a:focus-visible{
  color:#dff6ff;
  transform:translateX(2px);
  outline:none;
}
.site-footer p{
  margin:12px 0 0;
  color:var(--muted);
  font-size:14px;
}
.copyright{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(148,163,184,.12);
  color:var(--soft);
  font-size:13px;
}
.subtle-rule{
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(56,189,248,.3), rgba(124,58,237,.18), transparent);
  margin:18px 0 0;
}
.filter-bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(148,163,184,.18);
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-size:13px;
  transition:all .2s ease;
}
.filter-chip:hover,
.filter-chip.active{
  color:var(--text);
  border-color:rgba(56,189,248,.5);
  background:rgba(56,189,248,.08);
  box-shadow:0 0 0 3px rgba(56,189,248,.08);
}
.list-card{
  display:grid;
  grid-template-columns:1fr auto;
  gap:14px;
  align-items:center;
  padding:16px 18px;
  border-radius:var(--radius);
  background:rgba(13,27,47,.62);
  border:1px solid rgba(148,163,184,.2);
  transition:all .2s ease;
}
.list-card:hover{
  transform:translateY(-2px);
  border-color:rgba(56,189,248,.42);
}
.list-main h3{
  margin:0 0 8px;
  font-size:17px;
}
.list-main p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.list-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.small-badge{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:#d8f3ff;
  background:rgba(56,189,248,.08);
  border:1px solid rgba(56,189,248,.16);
}
.side-stack{
  display:grid;
  gap:16px;
}
.side-box{
  padding:18px;
  background:rgba(13,27,47,.6);
  border:1px solid rgba(148,163,184,.18);
  border-radius:var(--radius);
}
.side-box h3{
  margin:0 0 10px;
  font-size:18px;
}
.side-box p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
@media (max-width: 1120px){
  .hero-grid,
  .footer-grid,
  .grid-3,
  .price-grid,
  .timeline{
    grid-template-columns:1fr;
  }
  .timeline:before{display:none}
  .form-row{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width: 900px){
  .nav-shell{
    flex-wrap:wrap;
    align-items:flex-start;
  }
  .nav-tabs{
    order:3;
    width:100%;
    justify-content:flex-start;
  }
  .site-cta{
    order:2;
    margin-left:auto;
  }
  .hero{
    padding-top:22px;
  }
  .metrics,
  .grid-2,
  .console-grid{
    grid-template-columns:1fr;
  }
  .callout-inner,
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width: 640px){
  .container{width:min(100% - 22px, 1280px)}
  .nav-shell{min-height:auto}
  .brand-text{font-size:15px}
  .hero-actions,
  .price-actions{
    flex-direction:column;
  }
  .hero-actions .btn,
  .price-actions .btn,
  .site-cta{
    width:100%;
  }
  .form-row{
    grid-template-columns:1fr;
  }
  .list-card{
    grid-template-columns:1fr;
  }
  .faq-q{
    padding:16px;
  }
  .faq-q span{
    font-size:15px;
  }
  h1{
    margin-top:14px;
  }
}

/* roulang page: category2 */
:root {
      --bg: #08111f;
      --bg2: #0d1b2f;
      --panel: rgba(13, 27, 47, 0.72);
      --panel-strong: rgba(11, 20, 37, 0.92);
      --line: rgba(148, 163, 184, 0.22);
      --line-strong: rgba(56, 189, 248, 0.34);
      --text: #e5eefc;
      --muted: #9fb2cc;
      --dim: #64748b;
      --sky: #38bdf8;
      --violet: #7c3aed;
      --mint: #22c55e;
      --amber: #f59e0b;
      --radius: 12px;
      --radius-sm: 8px;
      --shadow: 0 18px 50px rgba(1, 6, 18, 0.48);
      --shadow-soft: 0 10px 30px rgba(1, 6, 18, 0.32);
      --space: clamp(16px, 2vw, 24px);
    }

    html {
      scroll-behavior: smooth;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.7;
      background:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 100% 38px,
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 38px 100%,
        radial-gradient(1200px 700px at 15% -10%, rgba(56, 189, 248, 0.12), transparent 58%),
        radial-gradient(900px 520px at 90% 0%, rgba(124, 58, 237, 0.08), transparent 46%),
        radial-gradient(900px 520px at 85% 100%, rgba(34, 197, 94, 0.06), transparent 40%),
        linear-gradient(180deg, #07101d 0%, #091525 24%, #08111f 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.03), transparent 18%, transparent 82%, rgba(255,255,255,0.02)),
        linear-gradient(90deg, rgba(56,189,248,0.06), transparent 12%, transparent 88%, rgba(124,58,237,0.05));
      mix-blend-mode: screen;
      opacity: 0.42;
      z-index: 0;
    }

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

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

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

    .container {
      width: min(1280px, calc(100% - 32px));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(148, 163, 184, 0.16);
      background: rgba(8, 17, 31, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .nav-shell {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 14px 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      color: var(--text);
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 14px;
      height: 14px;
      border-radius: 4px;
      background: linear-gradient(135deg, var(--sky), var(--violet));
      box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 0 20px rgba(56,189,248,0.35);
      position: relative;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 3px;
      border-radius: 2px;
      background: rgba(255,255,255,0.18);
    }

    .brand-text {
      font-size: 15px;
      line-height: 1.2;
    }

    .nav-tabs {
      flex: 1 1 auto;
      min-width: 0;
    }

    .tabs-track {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: none;
    }

    .tabs-track::-webkit-scrollbar {
      display: none;
    }

    .nav-chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.20);
      background: rgba(255, 255, 255, 0.03);
      color: var(--muted);
      font-size: 14px;
      white-space: nowrap;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease;
    }

    .nav-chip:hover,
    .nav-chip:focus-visible {
      border-color: rgba(56, 189, 248, 0.42);
      color: var(--text);
      background: rgba(56, 189, 248, 0.08);
      box-shadow: 0 0 0 1px rgba(56,189,248,.18), 0 10px 24px rgba(2, 10, 25, .24);
      transform: translateY(-1px);
      outline: none;
    }

    .nav-chip.active {
      color: var(--text);
      border-color: rgba(56, 189, 248, 0.48);
      background: linear-gradient(180deg, rgba(56,189,248,.16), rgba(56,189,248,.06));
      box-shadow: inset 0 0 0 1px rgba(56,189,248,.10), 0 0 22px rgba(56,189,248,.12);
    }

    .site-cta,
    .btn-primary,
    .btn-secondary,
    .btn-amber {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 700;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease, opacity .18s ease;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary,
    .site-cta {
      color: #06101d;
      background: linear-gradient(135deg, #8be8ff, #38bdf8 54%, #7c3aed);
      box-shadow: 0 8px 22px rgba(56, 189, 248, .18), 0 0 0 1px rgba(255,255,255,.10);
    }

    .btn-primary:hover,
    .site-cta:hover,
    .btn-primary:focus-visible,
    .site-cta:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 10px 28px rgba(56, 189, 248, .24), 0 0 0 1px rgba(255,255,255,.12), 0 0 24px rgba(56,189,248,.18);
      outline: none;
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(148,163,184,.22);
      background: rgba(255,255,255,.03);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      border-color: rgba(56,189,248,.34);
      background: rgba(56,189,248,.07);
      transform: translateY(-1px);
      outline: none;
    }

    .btn-amber {
      color: #201304;
      background: linear-gradient(135deg, #f8d38b, #f59e0b);
      box-shadow: 0 8px 22px rgba(245, 158, 11, .16);
    }

    .btn-amber:hover,
    .btn-amber:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 10px 28px rgba(245, 158, 11, .22);
      outline: none;
    }

    .hero {
      padding: 30px 0 16px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.9fr);
      gap: 18px;
      align-items: stretch;
    }

    .hero-main,
    .glass-panel,
    .feature-card,
    .scenario-card,
    .case-card,
    .plan-card,
    .faq-card,
    .entry-card,
    .metric-card,
    .title-block,
    .filter-panel {
      border-radius: var(--radius);
      border: 1px solid rgba(148,163,184,.18);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .hero-main {
      padding: 28px;
      position: relative;
      overflow: hidden;
      min-height: 100%;
    }

    .hero-main::before,
    .hero-main::after {
      content: "";
      position: absolute;
      pointer-events: none;
    }

    .hero-main::before {
      inset: 0;
      background:
        linear-gradient(115deg, rgba(56,189,248,.12), transparent 20%),
        radial-gradient(700px 260px at 15% 0%, rgba(124,58,237,.11), transparent 55%);
      opacity: .9;
    }

    .hero-main::after {
      inset: 14px;
      border-radius: calc(var(--radius) - 2px);
      border: 1px solid rgba(255,255,255,.04);
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(56,189,248,.24);
      background: rgba(56,189,248,.08);
      color: #bdeeff;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0;
      position: relative;
      z-index: 1;
    }

    .hero-kicker .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 0 4px rgba(34,197,94,.12);
    }

    .hero h1 {
      margin: 16px 0 12px;
      font-size: clamp(30px, 4vw, 54px);
      line-height: 1.08;
      font-weight: 800;
      letter-spacing: 0;
      position: relative;
      z-index: 1;
      max-width: 13ch;
    }

    .hero-lead {
      margin: 0;
      max-width: 56ch;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
      position: relative;
      z-index: 1;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 22px;
      position: relative;
      z-index: 1;
    }

    .metric-card {
      padding: 14px 14px 12px;
      background: rgba(13,27,47,.56);
    }

    .metric-value {
      font-size: 24px;
      font-weight: 800;
      line-height: 1.1;
      color: #f6fbff;
    }

    .metric-label {
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
      position: relative;
      z-index: 1;
    }

    .hero-sidebar {
      display: grid;
      grid-template-rows: auto auto 1fr;
      gap: 12px;
      min-height: 100%;
    }

    .side-panel {
      padding: 18px;
      position: relative;
      overflow: hidden;
    }

    .side-panel h2,
    .side-panel h3 {
      margin: 0;
      font-size: 18px;
      line-height: 1.25;
    }

    .side-panel p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .state-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .state-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 12px;
      border-radius: 10px;
      border: 1px solid rgba(148,163,184,.15);
      background: rgba(255,255,255,.03);
    }

    .state-row strong {
      font-size: 14px;
      font-weight: 700;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
      border: 1px solid transparent;
    }

    .pill.green {
      color: #dbffe5;
      border-color: rgba(34,197,94,.22);
      background: rgba(34,197,94,.10);
    }

    .pill.sky {
      color: #d9f5ff;
      border-color: rgba(56,189,248,.24);
      background: rgba(56,189,248,.10);
    }

    .pill.amber {
      color: #fff0c2;
      border-color: rgba(245,158,11,.25);
      background: rgba(245,158,11,.12);
    }

    .pill.violet {
      color: #efe1ff;
      border-color: rgba(124,58,237,.24);
      background: rgba(124,58,237,.12);
    }

    .mini-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .mini-card {
      padding: 16px;
      min-height: 134px;
      background: rgba(13,27,47,.62);
      border: 1px solid rgba(148,163,184,.18);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }

    .mini-card .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 12px;
      color: #ccecff;
      border: 1px solid rgba(56,189,248,.22);
      background: rgba(56,189,248,.08);
    }

    .mini-card h3 {
      margin: 12px 0 8px;
      font-size: 16px;
      line-height: 1.35;
    }

    .mini-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.72;
    }

    section {
      padding: 18px 0;
    }

    .section-title {
      margin-bottom: 14px;
    }

    .section-title h2 {
      margin: 0;
      font-size: clamp(24px, 2.6vw, 32px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    .section-title p {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 72ch;
      font-size: 15px;
      line-height: 1.8;
    }

    .filter-panel {
      padding: 16px;
      margin-top: 10px;
    }

    .filter-row {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) auto;
      gap: 12px;
      align-items: center;
    }

    .search-box {
      position: relative;
    }

    .search-box input {
      width: 100%;
      min-height: 48px;
      padding: 0 16px 0 44px;
      border-radius: 10px;
      border: 1px solid rgba(148,163,184,.20);
      background: rgba(7,16,29,.75);
      color: var(--text);
      outline: none;
      transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
    }

    .search-box input::placeholder {
      color: #7388a8;
    }

    .search-box input:hover {
      border-color: rgba(56,189,248,.28);
    }

    .search-box input:focus {
      border-color: rgba(56,189,248,.50);
      box-shadow: 0 0 0 3px rgba(56,189,248,.16);
      background: rgba(7,16,29,.92);
    }

    .search-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      width: 18px;
      height: 18px;
      transform: translateY(-50%);
      color: var(--muted);
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }

    .filter-chip {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(148,163,184,.18);
      background: rgba(255,255,255,.03);
      color: var(--muted);
      font-size: 13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
      cursor: pointer;
    }

    .filter-chip:hover,
    .filter-chip:focus-visible {
      color: var(--text);
      border-color: rgba(56,189,248,.40);
      background: rgba(56,189,248,.08);
      box-shadow: 0 0 0 1px rgba(56,189,248,.10);
      transform: translateY(-1px);
      outline: none;
    }

    .filter-chip.active {
      color: #e9f7ff;
      border-color: rgba(56,189,248,.48);
      background: linear-gradient(135deg, rgba(56,189,248,.16), rgba(124,58,237,.10));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .feature-card {
      padding: 18px;
      background: rgba(13, 27, 47, 0.62);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      min-height: 186px;
    }

    .feature-card:hover {
      transform: translateY(-2px);
      border-color: rgba(56,189,248,.32);
      box-shadow: 0 0 0 1px rgba(56,189,248,.10), 0 16px 36px rgba(2,8,18,.38), 0 0 24px rgba(56,189,248,.08);
    }

    .feature-card .label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: #ccecff;
      border-radius: 999px;
      padding: 6px 10px;
      border: 1px solid rgba(56,189,248,.20);
      background: rgba(56,189,248,.08);
    }

    .feature-card h3 {
      margin: 12px 0 8px;
      font-size: 18px;
      line-height: 1.35;
      font-weight: 800;
    }

    .feature-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.78;
    }

    .specs {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .spec-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 13px;
      color: var(--muted);
      padding-top: 10px;
      border-top: 1px solid rgba(148,163,184,.14);
    }

    .spec-item strong {
      color: var(--text);
      font-weight: 700;
      font-size: 13px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .scenario-card {
      padding: 18px;
      background: rgba(13,27,47,.58);
      position: relative;
      overflow: hidden;
      min-height: 170px;
    }

    .scenario-card::after {
      content: "";
      position: absolute;
      inset: auto 16px 16px 16px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(56,189,248,.18), rgba(124,58,237,.28), rgba(34,197,94,.18));
      opacity: .8;
    }

    .scenario-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border-radius: 10px;
      background: rgba(56,189,248,.12);
      border: 1px solid rgba(56,189,248,.24);
      color: #dff6ff;
      font-size: 13px;
      font-weight: 800;
    }

    .scenario-card h3 {
      margin: 12px 0 8px;
      font-size: 16px;
      line-height: 1.35;
    }

    .scenario-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.76;
    }

    .scenario-meta {
      margin-top: 12px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .case-card {
      padding: 18px;
      background: rgba(13,27,47,.60);
      min-height: 208px;
    }

    .case-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 12px;
    }

    .case-head h3 {
      margin: 0;
      font-size: 16px;
      line-height: 1.35;
    }

    .case-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.78;
    }

    .case-foot {
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1px solid rgba(148,163,184,.14);
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      color: #dce8f7;
      font-size: 13px;
    }

    .plans-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .plan-card {
      padding: 20px;
      background: rgba(13,27,47,.60);
      position: relative;
      overflow: hidden;
    }

    .plan-card.featured {
      border-color: rgba(56,189,248,.34);
      box-shadow: 0 0 0 1px rgba(56,189,248,.12), 0 18px 38px rgba(2,8,18,.36);
      transform: translateY(-2px);
    }

    .plan-card .plan-tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      font-size: 12px;
      border: 1px solid rgba(148,163,184,.18);
      color: #d7e6f8;
      background: rgba(255,255,255,.03);
    }

    .plan-card.featured .plan-tag {
      color: #e8fbff;
      border-color: rgba(56,189,248,.26);
      background: rgba(56,189,248,.10);
    }

    .plan-card h3 {
      margin: 14px 0 8px;
      font-size: 18px;
      line-height: 1.35;
    }

    .plan-price {
      font-size: 24px;
      font-weight: 800;
      line-height: 1;
      color: #f6fbff;
      margin-bottom: 10px;
    }

    .plan-note {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      position: relative;
      padding-left: 22px;
      color: #dce7f8;
      font-size: 13px;
      line-height: 1.7;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.56em;
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--sky), var(--mint));
      box-shadow: 0 0 0 4px rgba(56,189,248,.10);
    }

    .plan-actions {
      margin-top: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
      gap: 14px;
      align-items: start;
    }

    .faq-card {
      padding: 16px 18px;
      background: rgba(13,27,47,.58);
    }

    details.faq-item + details.faq-item {
      margin-top: 10px;
    }

    details.faq-item {
      border-radius: 10px;
      border: 1px solid rgba(148,163,184,.16);
      background: rgba(7,16,29,.45);
      overflow: hidden;
      transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
    }

    details.faq-item[open] {
      border-color: rgba(56,189,248,.32);
      box-shadow: 0 0 0 1px rgba(56,189,248,.10);
      background: rgba(7,16,29,.68);
    }

    summary {
      list-style: none;
      cursor: pointer;
      padding: 14px 14px 14px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-weight: 700;
      font-size: 14px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    .faq-arrow {
      width: 18px;
      height: 18px;
      color: var(--muted);
      transition: transform .18s ease, color .18s ease;
      flex: 0 0 auto;
    }

    details[open] .faq-arrow {
      transform: rotate(180deg);
      color: #dff6ff;
    }

    .faq-body {
      padding: 0 16px 15px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .aside-box {
      padding: 18px;
      background: rgba(13,27,47,.58);
      border-radius: var(--radius);
      border: 1px solid rgba(148,163,184,.18);
    }

    .aside-box h3 {
      margin: 0 0 8px;
      font-size: 16px;
      line-height: 1.35;
    }

    .aside-box p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.78;
    }

    .aside-list {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .aside-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: #dbe8f8;
      font-size: 13px;
      line-height: 1.7;
    }

    .aside-list li::before {
      content: "";
      width: 10px;
      height: 10px;
      margin-top: 0.45em;
      border-radius: 3px;
      background: linear-gradient(135deg, var(--sky), var(--violet));
      flex: 0 0 auto;
    }

    .entry-card {
      padding: 18px;
      margin-top: 14px;
      background: rgba(13,27,47,.60);
    }

    .entry-card h3 {
      margin: 0 0 10px;
      font-size: 16px;
    }

    .entry-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .cta-band {
      margin: 14px 0 18px;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid rgba(56,189,248,.24);
      background: linear-gradient(135deg, rgba(56,189,248,.12), rgba(124,58,237,.08));
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      box-shadow: 0 18px 40px rgba(2, 8, 18, .28);
    }

    .cta-band h2 {
      margin: 0 0 8px;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 800;
    }

    .cta-band p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      max-width: 68ch;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      flex: 0 0 auto;
    }

    .site-footer {
      margin-top: 18px;
      border-top: 1px solid rgba(148, 163, 184, .16);
      background: rgba(7, 14, 25, 0.82);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      padding: 28px 0 22px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .8fr .8fr 1fr;
      gap: 18px;
      align-items: start;
    }

    .footer-title {
      margin-bottom: 10px;
      color: #f6fbff;
      font-size: 14px;
      font-weight: 800;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
      transition: color .18s ease, transform .18s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #dff6ff;
      transform: translateX(2px);
      outline: none;
    }

    .site-footer p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.78;
    }

    .copyright {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid rgba(148,163,184,.12);
      color: var(--dim);
      font-size: 13px;
      line-height: 1.65;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0,0,0,0);
      white-space: nowrap;
      border: 0;
    }

    :focus-visible {
      outline: 2px solid rgba(56,189,248,.86);
      outline-offset: 2px;
    }

    @media (max-width: 1100px) {
      .hero-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hero-sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto;
      }

      .feature-grid,
      .case-grid,
      .plans-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .scenario-grid,
      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .nav-shell {
        flex-wrap: wrap;
        align-items: flex-start;
      }

      .nav-tabs {
        order: 3;
        width: 100%;
      }

      .site-cta {
        order: 2;
        margin-left: auto;
      }

      .hero {
        padding-top: 22px;
      }

      .hero-main {
        padding: 22px;
      }

      .hero h1 {
        max-width: none;
      }

      .hero-stats,
      .feature-grid,
      .case-grid,
      .plans-grid,
      .scenario-grid,
      .footer-grid,
      .hero-sidebar,
      .mini-grid {
        grid-template-columns: 1fr;
      }

      .filter-row,
      .cta-band {
        grid-template-columns: 1fr;
        display: grid;
      }

      .cta-actions {
        width: 100%;
      }

      .cta-actions .btn-primary,
      .cta-actions .btn-secondary,
      .cta-actions .btn-amber {
        width: 100%;
      }

      .hero-actions {
        width: 100%;
      }

      .hero-actions .btn-primary,
      .hero-actions .btn-secondary {
        flex: 1 1 160px;
      }

      .cta-band h2 {
        font-size: 20px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 20px, 1280px);
      }

      .site-cta {
        width: 100%;
      }

      .hero h1 {
        font-size: 30px;
      }

      .hero-lead,
      .section-title p,
      .cta-band p {
        font-size: 14px;
      }

      .hero-main,
      .side-panel,
      .feature-card,
      .scenario-card,
      .case-card,
      .plan-card,
      .faq-card,
      .entry-card,
      .filter-panel {
        padding-left: 16px;
        padding-right: 16px;
      }

      .plan-price {
        font-size: 22px;
      }

      .nav-chip {
        min-height: 38px;
        padding-inline: 12px;
      }
    }