/* roulang page: index */
:root {
      --bg: #050914;
      --bg-soft: #081326;
      --panel: rgba(13, 28, 52, .68);
      --panel-strong: rgba(17, 38, 70, .82);
      --line: rgba(142, 185, 255, .18);
      --line-strong: rgba(83, 171, 255, .42);
      --text: #edf6ff;
      --muted: #9fb4cf;
      --muted-2: #7186a3;
      --primary: #25b7ff;
      --primary-2: #6b7cff;
      --accent: #7df5ff;
      --good: #43e6ad;
      --warn: #ffd166;
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --shadow: 0 24px 80px rgba(0, 0, 0, .36);
      --glow: 0 0 30px rgba(37, 183, 255, .38);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      background:
        radial-gradient(circle at 14% 8%, rgba(37, 183, 255, .26), transparent 34%),
        radial-gradient(circle at 86% 12%, rgba(107, 124, 255, .22), transparent 30%),
        radial-gradient(circle at 50% 82%, rgba(125, 245, 255, .13), transparent 34%),
        linear-gradient(135deg, #030713 0%, #061325 46%, #030711 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .38;
      background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
      background-size: 54px 54px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.22));
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .16;
      background-image: radial-gradient(rgba(255,255,255,.7) .6px, transparent .6px);
      background-size: 4px 4px;
      z-index: -1;
    }

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

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

    button, input, select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    .site-container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .glass {
      background: linear-gradient(145deg, rgba(18, 40, 72, .78), rgba(7, 18, 34, .55));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .nav-shell {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      background: linear-gradient(to bottom, rgba(3, 7, 17, .86), rgba(3, 7, 17, .42));
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(142, 185, 255, .08);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      border-radius: 999px;
      padding: 10px 12px 10px 18px;
      background: rgba(8, 20, 39, .76);
      border: 1px solid rgba(142, 185, 255, .16);
      box-shadow: 0 18px 50px rgba(0, 0, 0, .25);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #001527;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      box-shadow: var(--glow);
      flex: 0 0 auto;
    }

    .brand span:last-child {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .nav-links a {
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      transition: .25s ease;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(37, 183, 255, .12);
      box-shadow: inset 0 0 0 1px rgba(37, 183, 255, .22);
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
      white-space: nowrap;
    }

    .nav-cta,
    .btn-primary {
      color: #00172a;
      font-weight: 800;
      background: linear-gradient(135deg, var(--accent), var(--primary) 58%, #7aa7ff);
      box-shadow: 0 0 0 1px rgba(255,255,255,.22) inset, var(--glow);
    }

    .nav-cta {
      padding: 9px 15px;
      font-size: 14px;
    }

    .btn-primary,
    .btn-secondary {
      padding: 13px 19px;
      min-height: 48px;
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.05);
      border-color: rgba(142, 185, 255, .24);
    }

    .nav-cta:hover,
    .btn-primary:hover,
    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(125, 245, 255, .55);
      box-shadow: 0 18px 50px rgba(37, 183, 255, .22);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid rgba(142, 185, 255, .18);
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      color: var(--text);
    }

    .section {
      padding: 84px 0;
      position: relative;
    }

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      color: var(--accent);
      background: rgba(37, 183, 255, .10);
      border: 1px solid rgba(37, 183, 255, .22);
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 700;
    }

    .section-title {
      margin: 14px 0 12px;
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.12;
      letter-spacing: -.04em;
      font-weight: 900;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      max-width: 760px;
    }

    .hero {
      padding: 72px 0 42px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      padding: clamp(24px, 4vw, 46px);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: -1px;
      background:
        linear-gradient(110deg, rgba(37, 183, 255, .18), transparent 34%),
        radial-gradient(circle at 78% 20%, rgba(125, 245, 255, .18), transparent 28%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.03fr .97fr;
      gap: 34px;
      align-items: stretch;
    }

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

    h1 {
      margin: 16px 0 18px;
      font-size: clamp(38px, 6vw, 76px);
      line-height: 1.02;
      letter-spacing: -.065em;
      font-weight: 950;
    }

    .hero-intro {
      max-width: 710px;
      color: #c5d6ea;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
    }

    .point {
      border-radius: 18px;
      padding: 14px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(142,185,255,.14);
    }

    .point strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
      color: var(--accent);
    }

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

    .lead-card {
      border-radius: 28px;
      padding: 20px;
      min-height: 100%;
      background: linear-gradient(160deg, rgba(14, 33, 62, .88), rgba(7, 14, 28, .75));
      border: 1px solid rgba(142,185,255,.18);
      box-shadow: 0 26px 80px rgba(0,0,0,.28);
    }

    .cover {
      border-radius: 24px;
      padding: 20px;
      min-height: 250px;
      background:
        radial-gradient(circle at 74% 12%, rgba(125,245,255,.22), transparent 26%),
        linear-gradient(135deg, rgba(37,183,255,.20), rgba(107,124,255,.11)),
        rgba(255,255,255,.045);
      border: 1px solid rgba(125,245,255,.2);
    }

    .cover-title {
      font-size: 28px;
      line-height: 1.14;
      font-weight: 900;
      margin-top: 36px;
      letter-spacing: -.03em;
    }

    .toc {
      margin-top: 16px;
      display: grid;
      gap: 10px;
    }

    .toc li,
    .clean-list li {
      list-style: none;
    }

    .toc-item,
    .clean-list li,
    .news-item,
    .feature-card,
    .scenario-card,
    .case-card,
    .plan-card,
    .faq-item {
      transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
    }

    .toc-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(142,185,255,.13);
      color: #d9e8fa;
      font-size: 14px;
    }

    .lead-form {
      margin-top: 16px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
    }

    .lead-input {
      width: 100%;
      border: 1px solid rgba(142,185,255,.18);
      border-radius: 999px;
      padding: 0 16px;
      min-height: 48px;
      color: var(--text);
      background: rgba(2, 9, 21, .6);
      outline: none;
      transition: .25s ease;
    }

    .lead-input::placeholder {
      color: rgba(197, 214, 234, .55);
    }

    .lead-input:focus {
      border-color: rgba(125,245,255,.65);
      box-shadow: 0 0 0 4px rgba(37,183,255,.14);
    }

    .notice-bar {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      overflow: hidden;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: rgba(142,185,255,.13);
    }

    .notice-item {
      padding: 18px;
      background: rgba(7, 18, 34, .76);
    }

    .notice-item strong {
      display: block;
      margin-bottom: 4px;
    }

    .notice-item span {
      color: var(--muted);
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 22px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(142,185,255,.12);
    }

    .news-item:hover,
    .feature-card:hover,
    .scenario-card:hover,
    .case-card:hover,
    .plan-card:hover,
    .faq-item:hover {
      transform: translateY(-3px);
      border-color: rgba(125,245,255,.34);
      background: rgba(37,183,255,.075);
      box-shadow: 0 18px 60px rgba(0,0,0,.2);
    }

    .num {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #001527;
      font-weight: 900;
      background: linear-gradient(135deg, var(--accent), var(--primary));
    }

    .news-item h3,
    .feature-card h3,
    .scenario-card h3,
    .case-card h3,
    .plan-card h3 {
      margin: 0;
      font-size: 18px;
      font-weight: 850;
    }

    .news-item p,
    .feature-card p,
    .scenario-card p,
    .case-card p,
    .plan-card p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .recommend-box {
      border-radius: 26px;
      padding: 22px;
      background: linear-gradient(160deg, rgba(37,183,255,.16), rgba(107,124,255,.10));
      border: 1px solid rgba(125,245,255,.22);
      position: sticky;
      top: 100px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .feature-card,
    .scenario-card,
    .case-card,
    .plan-card {
      border-radius: 24px;
      padding: 22px;
      background: rgba(255,255,255,.052);
      border: 1px solid rgba(142,185,255,.13);
    }

    .icon-pill {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      margin-bottom: 18px;
      color: var(--accent);
      background: rgba(37,183,255,.12);
      border: 1px solid rgba(37,183,255,.20);
      font-size: 20px;
    }

    .campaign {
      border-radius: 32px;
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(37,183,255,.22), rgba(107,124,255,.12) 46%, rgba(125,245,255,.08)),
        rgba(255,255,255,.04);
      border: 1px solid rgba(125,245,255,.18);
    }

    .campaign-inner {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      padding: clamp(24px, 4vw, 40px);
      align-items: center;
    }

    .campaign-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      border-radius: 999px;
      padding: 7px 11px;
      color: #d9e8fa;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(142,185,255,.14);
      font-size: 13px;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 14px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(3, 10, 24, .42);
      border: 1px solid rgba(142,185,255,.12);
    }

    .step::before {
      content: counter(step);
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #001527;
      font-weight: 900;
      background: linear-gradient(135deg, var(--accent), var(--primary));
    }

    .metric {
      text-align: center;
      border-radius: 22px;
      padding: 22px 16px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(142,185,255,.13);
    }

    .metric strong {
      display: block;
      font-size: 34px;
      line-height: 1;
      color: var(--accent);
      font-weight: 950;
    }

    .metric span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .plan-card {
      position: relative;
      overflow: hidden;
    }

    .plan-card.featured {
      border-color: rgba(125,245,255,.42);
      box-shadow: 0 0 0 1px rgba(125,245,255,.14) inset, var(--glow);
    }

    .price {
      margin: 14px 0;
      font-size: 34px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .clean-list {
      margin: 18px 0 0;
      padding: 0;
      display: grid;
      gap: 10px;
    }

    .clean-list li {
      position: relative;
      padding-left: 22px;
      color: #c8d8ea;
      font-size: 14px;
    }

    .clean-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .68em;
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--good);
      box-shadow: 0 0 16px rgba(67,230,173,.5);
    }

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

    .faq-item {
      border-radius: 20px;
      background: rgba(255,255,255,.048);
      border: 1px solid rgba(142,185,255,.13);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 800;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
    }

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

    .faq-item summary::after {
      content: "+";
      color: var(--accent);
      font-size: 22px;
      transition: transform .25s ease;
    }

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

    .faq-item p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 15px;
    }

    .cta-panel {
      border-radius: 34px;
      padding: clamp(26px, 5vw, 48px);
      text-align: center;
      background:
        radial-gradient(circle at 50% 0%, rgba(125,245,255,.22), transparent 34%),
        linear-gradient(135deg, rgba(37,183,255,.18), rgba(107,124,255,.12)),
        rgba(255,255,255,.04);
      border: 1px solid rgba(125,245,255,.22);
    }

    .footer {
      padding: 54px 0 30px;
      border-top: 1px solid rgba(142,185,255,.12);
      background: rgba(2, 7, 17, .48);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .7fr .7fr;
      gap: 28px;
    }

    .footer h3,
    .footer h4 {
      margin: 0 0 12px;
      font-weight: 850;
    }

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

    .footer a {
      display: block;
      margin: 8px 0;
      transition: .2s ease;
    }

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

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(142,185,255,.10);
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .news-layout,
      .campaign-inner {
        grid-template-columns: 1fr;
      }

      .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .recommend-box {
        position: static;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, 1180px);
      }

      .nav-inner {
        border-radius: 24px;
        align-items: flex-start;
        flex-wrap: wrap;
      }

      .menu-toggle {
        display: grid;
        place-items: center;
        margin-left: auto;
      }

      .nav-links {
        width: 100%;
        order: 3;
        display: none;
        grid-template-columns: 1fr;
        gap: 8px;
        padding-top: 10px;
      }

      .nav-links.open {
        display: grid;
      }

      .nav-links a {
        width: 100%;
        padding: 12px 14px;
      }

      .nav-cta {
        display: none;
      }

      .hero {
        padding-top: 42px;
      }

      .hero-panel {
        border-radius: 26px;
      }

      .hero-points,
      .notice-bar,
      .grid-3,
      .footer-grid {
        grid-template-columns: 1fr;
      }

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

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

      .section {
        padding: 58px 0;
      }

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

      .news-item .badge {
        grid-column: 1 / -1;
        width: fit-content;
      }
    }

    @media (max-width: 520px) {
      .grid-4 {
        grid-template-columns: 1fr;
      }

      h1 {
        font-size: 38px;
      }

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

      .hero-actions {
        flex-direction: column;
      }

      .cover-title {
        font-size: 24px;
      }

      .copyright {
        display: block;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #050b16;
      --bg-2: #07182b;
      --panel: rgba(13, 31, 54, .68);
      --panel-strong: rgba(18, 43, 72, .84);
      --text: #eef7ff;
      --muted: #9eb4ca;
      --muted-2: #6f879e;
      --line: rgba(168, 209, 255, .16);
      --line-strong: rgba(96, 190, 255, .34);
      --primary: #2dd4ff;
      --primary-2: #3b82f6;
      --violet: #8b5cf6;
      --success: #46e6a8;
      --warning: #f7c76a;
      --danger: #ff7a90;
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0, 0, 0, .36);
      --glow: 0 0 28px rgba(45, 212, 255, .28);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      line-height: 1.72;
      background:
        radial-gradient(circle at 12% 8%, rgba(45, 212, 255, .18), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(139, 92, 246, .18), transparent 32%),
        linear-gradient(135deg, #040812 0%, #071526 46%, #08101d 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .42;
      background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
      background-size: 52px 52px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .92), transparent 88%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .09;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(/%23n)' opacity='.45'/%3E%3C/svg%3E");
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease, box-shadow .22s ease;
    }

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

    button, input, select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(45, 212, 255, .45);
      outline-offset: 3px;
    }

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

    .nav-shell {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      backdrop-filter: blur(22px);
      background: linear-gradient(180deg, rgba(5, 11, 22, .88), rgba(5, 11, 22, .58));
      border-bottom: 1px solid rgba(168, 209, 255, .11);
    }

    .nav-inner {
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 12px 10px 16px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(8, 23, 41, .72);
      box-shadow: 0 18px 55px rgba(0, 0, 0, .25);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #04111f;
      background: linear-gradient(135deg, #74efff 0%, #3b82f6 58%, #a78bfa 100%);
      box-shadow: 0 0 30px rgba(45, 212, 255, .34);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 5px;
      border: 1px solid rgba(168, 209, 255, .1);
      border-radius: 999px;
      background: rgba(255, 255, 255, .035);
    }

    .nav-links a {
      padding: 9px 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(45, 212, 255, .13);
      box-shadow: inset 0 0 0 1px rgba(45, 212, 255, .18);
    }

    .nav-cta,
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 20px;
      border: 1px solid rgba(110, 231, 255, .48);
      border-radius: 999px;
      color: #03101d;
      font-weight: 800;
      background: linear-gradient(135deg, #7cf4ff 0%, #37a8ff 48%, #9f7aff 100%);
      box-shadow: var(--glow), inset 0 1px 0 rgba(255, 255, 255, .45);
    }

    .nav-cta:hover,
    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow: 0 0 38px rgba(45, 212, 255, .42), 0 18px 44px rgba(21, 92, 160, .25);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 20px;
      border-radius: 999px;
      color: var(--text);
      border: 1px solid rgba(168, 209, 255, .2);
      background: rgba(255, 255, 255, .045);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(45, 212, 255, .42);
      background: rgba(45, 212, 255, .1);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 16px;
      color: var(--text);
      background: rgba(255, 255, 255, .06);
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .glass {
      border: 1px solid var(--line);
      background: linear-gradient(145deg, rgba(18, 43, 72, .74), rgba(8, 18, 34, .54));
      box-shadow: var(--shadow);
      backdrop-filter: blur(24px);
    }

    .hero {
      padding: 64px 0 38px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      border: 1px solid rgba(168, 209, 255, .18);
      background:
        linear-gradient(110deg, rgba(6, 18, 34, .96) 0%, rgba(8, 28, 50, .88) 52%, rgba(15, 42, 73, .74) 100%),
        radial-gradient(circle at 72% 30%, rgba(45, 212, 255, .26), transparent 34%);
      box-shadow: var(--shadow);
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, rgba(255, 255, 255, .08), transparent 25%, rgba(45, 212, 255, .09) 55%, transparent 78%),
        url("data:image/svg+xml,%3Csvg width='900' height='520' viewBox='0 0 900 520' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%238ddfff' stroke-opacity='.18'%3E%3Cpath d='M20 420 C180 260 260 490 440 300 S680 120 860 230'/%3E%3Cpath d='M80 120 C260 40 330 210 480 150 S690 30 840 90'/%3E%3Cpath d='M520 470 C610 330 720 390 870 280'/%3E%3C/g%3E%3C/svg%3E");
      background-size: cover;
      opacity: .75;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(340px, .72fr);
      gap: 34px;
      padding: 54px;
      align-items: stretch;
    }

    .series-nav {
      position: relative;
      z-index: 3;
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding: 14px 18px;
      border-top: 1px solid rgba(168, 209, 255, .14);
      background: rgba(3, 12, 24, .54);
      scrollbar-width: none;
    }

    .series-nav::-webkit-scrollbar {
      display: none;
    }

    .series-nav a,
    .series-nav span {
      flex: 0 0 auto;
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid rgba(168, 209, 255, .13);
      background: rgba(255, 255, 255, .035);
      font-size: 14px;
    }

    .series-nav .current {
      color: var(--text);
      border-color: rgba(45, 212, 255, .42);
      background: rgba(45, 212, 255, .14);
    }

    .eyebrow,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border-radius: 999px;
      color: #ccefff;
      border: 1px solid rgba(45, 212, 255, .24);
      background: rgba(45, 212, 255, .1);
      font-size: 13px;
      font-weight: 700;
    }

    .hero h1 {
      margin: 22px 0 18px;
      max-width: 820px;
      font-size: clamp(34px, 5.2vw, 66px);
      line-height: 1.08;
      letter-spacing: -.06em;
      font-weight: 900;
    }

    .lead {
      max-width: 760px;
      color: #bfd3e7;
      font-size: 17px;
    }

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

    .status-panel {
      padding: 22px;
      border-radius: var(--radius-lg);
      align-self: stretch;
      display: grid;
      gap: 14px;
      background:
        linear-gradient(160deg, rgba(17, 48, 82, .72), rgba(7, 17, 31, .68)),
        radial-gradient(circle at 82% 12%, rgba(45, 212, 255, .26), transparent 32%);
    }

    .status-row {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 15px;
      border: 1px solid rgba(168, 209, 255, .13);
      border-radius: 18px;
      background: rgba(255, 255, 255, .045);
    }

    .status-row strong {
      display: block;
      font-size: 15px;
    }

    .status-row small {
      color: var(--muted);
    }

    .signal {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--success);
      font-weight: 800;
      white-space: nowrap;
    }

    .signal::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: currentColor;
      box-shadow: 0 0 16px currentColor;
    }

    .filter-bar {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr auto;
      gap: 12px;
      padding: 16px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
    }

    .field {
      width: 100%;
      min-height: 48px;
      padding: 0 14px;
      border-radius: 16px;
      color: var(--text);
      border: 1px solid rgba(168, 209, 255, .16);
      background: rgba(4, 13, 25, .72);
    }

    .field::placeholder {
      color: #7f96aa;
    }

    .field:focus {
      border-color: rgba(45, 212, 255, .5);
      box-shadow: 0 0 0 4px rgba(45, 212, 255, .08);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(280px, .38fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--primary);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    .section-title {
      margin: 8px 0 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 900;
    }

    .section-note {
      color: var(--muted);
      margin: 0;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
      gap: 22px;
    }

    .side-summary {
      border-radius: var(--radius-lg);
      padding: 26px;
      min-height: 100%;
      background: linear-gradient(180deg, rgba(45, 212, 255, .13), rgba(255, 255, 255, .035));
    }

    .summary-number {
      font-size: 48px;
      line-height: 1;
      font-weight: 900;
      letter-spacing: -.05em;
      color: #dffaff;
      text-shadow: 0 0 24px rgba(45, 212, 255, .35);
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .info-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .info-card::after {
      content: "";
      position: absolute;
      width: 140px;
      height: 140px;
      right: -70px;
      top: -70px;
      border-radius: 999px;
      background: rgba(45, 212, 255, .13);
      filter: blur(6px);
    }

    .info-card:hover {
      transform: translateY(-5px);
      border-color: rgba(45, 212, 255, .38);
      background: rgba(45, 212, 255, .07);
      box-shadow: 0 22px 54px rgba(0, 0, 0, .28);
    }

    .info-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
      font-weight: 850;
    }

    .info-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      color: #c3d6e8;
      border: 1px solid rgba(168, 209, 255, .13);
      background: rgba(255, 255, 255, .045);
      font-size: 12px;
    }

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

    .step-card {
      display: grid;
      grid-template-columns: 54px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
    }

    .step-index {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #03101d;
      font-weight: 900;
      background: linear-gradient(135deg, #7cf4ff, #8b5cf6);
      box-shadow: 0 0 24px rgba(45, 212, 255, .28);
    }

    .step-card h3 {
      margin: 0;
      font-size: 18px;
    }

    .step-card p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .pill-state {
      padding: 7px 11px;
      border-radius: 999px;
      color: var(--success);
      border: 1px solid rgba(70, 230, 168, .25);
      background: rgba(70, 230, 168, .09);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .scenario-strip {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items: stretch;
    }

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

    .scenario-item {
      display: flex;
      gap: 14px;
      padding: 16px;
      border-radius: 20px;
      border: 1px solid rgba(168, 209, 255, .13);
      background: rgba(255, 255, 255, .04);
    }

    .scenario-icon {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: rgba(45, 212, 255, .13);
      color: var(--primary);
      font-weight: 900;
    }

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

    .metric-card {
      min-height: 168px;
      padding: 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .025));
    }

    .metric-card strong {
      display: block;
      margin-bottom: 8px;
      color: #e8fbff;
      font-size: 34px;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .metric-card span {
      color: var(--muted);
      font-size: 14px;
    }

    .plans {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .plan-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .plan-card.featured {
      border-color: rgba(45, 212, 255, .42);
      background:
        linear-gradient(180deg, rgba(45, 212, 255, .12), rgba(255, 255, 255, .045));
      box-shadow: 0 0 42px rgba(45, 212, 255, .12);
    }

    .plan-card:hover {
      transform: translateY(-5px);
      border-color: rgba(45, 212, 255, .36);
    }

    .plan-card h3 {
      margin: 0 0 8px;
      font-size: 22px;
      font-weight: 900;
    }

    .plan-card p {
      color: var(--muted);
      margin: 0 0 18px;
    }

    .check-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 22px;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      position: relative;
      padding-left: 26px;
      color: #c8d8e8;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--success);
      font-weight: 900;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 20px;
      overflow: hidden;
      background: rgba(255, 255, 255, .045);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 18px 20px;
      color: var(--text);
      text-align: left;
      border: 0;
      background: transparent;
      font-weight: 850;
    }

    .faq-question span:last-child {
      color: var(--primary);
      transition: transform .22s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      color: var(--muted);
      transition: max-height .28s ease, padding .28s ease;
      padding: 0 20px;
    }

    .faq-item.open .faq-answer {
      max-height: 220px;
      padding: 0 20px 18px;
    }

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding: 34px;
      border-radius: 32px;
      border: 1px solid rgba(45, 212, 255, .28);
      background:
        radial-gradient(circle at 82% 18%, rgba(45, 212, 255, .22), transparent 30%),
        linear-gradient(135deg, rgba(13, 43, 75, .86), rgba(9, 17, 31, .8));
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: clamp(26px, 4vw, 42px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 900;
    }

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

    .footer {
      padding: 56px 0 28px;
      border-top: 1px solid rgba(168, 209, 255, .12);
      background: linear-gradient(180deg, rgba(5, 11, 22, .18), rgba(2, 7, 14, .74));
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .7fr .9fr;
      gap: 28px;
      padding: 28px;
      border-radius: 28px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .035);
    }

    .footer h3,
    .footer h4 {
      margin: 0 0 12px;
      color: var(--text);
    }

    .footer p,
    .copyright {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .footer a {
      display: block;
      width: fit-content;
      margin: 8px 0;
      color: var(--muted);
    }

    .footer a:hover {
      color: var(--primary);
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      margin-top: 22px;
      padding: 0 4px;
    }

    @media (max-width: 1024px) {
      .hero-content,
      .section-head,
      .feature-layout,
      .scenario-strip,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .status-panel {
        max-width: none;
      }

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

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

      .nav-cta {
        display: none;
      }
    }

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

      .nav-inner {
        border-radius: 24px;
        flex-wrap: wrap;
      }

      .menu-toggle {
        display: grid;
        place-items: center;
      }

      .nav-links {
        display: none;
        order: 5;
        width: 100%;
        border-radius: 20px;
        padding: 8px;
        align-items: stretch;
        flex-direction: column;
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        width: 100%;
        text-align: center;
      }

      .hero {
        padding-top: 34px;
      }

      .hero-content {
        padding: 30px 20px;
      }

      .section {
        padding: 62px 0;
      }

      .card-grid,
      .plans,
      .metric-grid,
      .filter-bar,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .step-card {
        grid-template-columns: 46px 1fr;
      }

      .step-card .pill-state {
        grid-column: 2;
        width: fit-content;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand span:last-child {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .hero h1 {
        font-size: 32px;
      }

      .hero-actions,
      .cta-panel .hero-actions {
        flex-direction: column;
      }

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

      .status-row {
        flex-direction: column;
      }

      .series-nav {
        padding-inline: 12px;
      }
    }

/* roulang page: category1 */
:root{
  --bg:#04101f;
  --bg-2:#071a31;
  --panel:rgba(10, 24, 45, .62);
  --panel-strong:rgba(8, 18, 35, .82);
  --line:rgba(155, 197, 255, .14);
  --line-2:rgba(116, 171, 255, .22);
  --text:#edf5ff;
  --muted:#9ab1cb;
  --muted-2:#7e93b1;
  --accent:#2ea7ff;
  --accent-2:#00d1ff;
  --accent-3:#7c6cff;
  --success:#4de3b2;
  --warning:#ffcc66;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 14%, rgba(46,167,255,.18), transparent 22%),
    radial-gradient(circle at 82% 12%, rgba(124,108,255,.16), transparent 18%),
    radial-gradient(circle at 72% 82%, rgba(0,209,255,.10), transparent 22%),
    linear-gradient(180deg, #05111f 0%, #071427 46%, #04101f 100%);
  font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.65), rgba(0,0,0,.18));
  opacity:.55;
}
a{color:inherit;text-decoration:none;transition:.24s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
::selection{background:rgba(46,167,255,.35);color:#fff}
.site-container{
  width:min(1180px, calc(100% - 32px));
  margin:0 auto;
}
.nav-shell{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(5,16,31,.84), rgba(5,16,31,.58));
  border-bottom:1px solid rgba(155,197,255,.10);
}
.nav-inner{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.2px;
  color:#f6fbff;
  white-space:nowrap;
}
.brand-mark{
  width:38px;height:38px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(46,167,255,.95), rgba(0,209,255,.58));
  color:#00111f;
  box-shadow: 0 10px 30px rgba(46,167,255,.25), inset 0 1px 0 rgba(255,255,255,.35);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px;
  border:1px solid rgba(155,197,255,.10);
  border-radius:999px;
  background: rgba(8,18,35,.34);
  box-shadow: var(--shadow);
}
.nav-links a{
  position:relative;
  padding:10px 16px;
  border-radius:999px;
  color:#cfe1f8;
  font-size:14px;
  line-height:1;
}
.nav-links a:hover{
  background: rgba(255,255,255,.05);
  color:#fff;
}
.nav-links a.active{
  background: linear-gradient(135deg, rgba(46,167,255,.22), rgba(0,209,255,.14));
  color:#fff;
  box-shadow: inset 0 0 0 1px rgba(108,195,255,.18);
}
.nav-links a.active:after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:6px;
  height:2px;
  border-radius:99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.nav-cta{
  padding:12px 18px;
  border-radius:999px;
  color:#fff;
  font-weight:700;
  background: linear-gradient(135deg, rgba(46,167,255,.95), rgba(0,209,255,.82));
  box-shadow: 0 14px 34px rgba(46,167,255,.25), inset 0 1px 0 rgba(255,255,255,.18);
}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.05)}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:none;
  border-radius:14px;
  background: rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(155,197,255,.12);
}
.hero-wrap{padding:34px 0 18px}
.hero-shell{
  display:grid;
  grid-template-columns: 1.12fr .88fr;
  gap:20px;
  align-items:stretch;
}
.hero-copy,.hero-aside,.glass-card,.info-strip,.plan-card,.faq-item,.footer{
  background: var(--panel);
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.hero-copy{
  border-radius:var(--radius-xl);
  padding:34px;
  position:relative;
  overflow:hidden;
}
.hero-copy:after{
  content:"";
  position:absolute;
  inset:auto -120px -120px auto;
  width:280px;height:280px;
  background: radial-gradient(circle, rgba(46,167,255,.22), transparent 68%);
  filter: blur(8px);
  pointer-events:none;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background: rgba(46,167,255,.10);
  border:1px solid rgba(46,167,255,.22);
  color:#bde5ff;
  font-size:13px;
}
.kicker-dot{
  width:8px;height:8px;border-radius:50%;
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(77,227,178,.10);
}
.hero-title{
  margin:18px 0 14px;
  font-size:clamp(32px, 4.8vw, 58px);
  line-height:1.08;
  letter-spacing:-.03em;
}
.hero-text{
  margin:0;
  max-width: 58ch;
  color: var(--muted);
  font-size:16px;
}
.action-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.btn-primary,.btn-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 18px;
  border-radius:999px;
  font-weight:700;
  border:1px solid transparent;
}
.btn-primary{
  color:#fff;
  background: linear-gradient(135deg, rgba(46,167,255,.98), rgba(0,209,255,.84));
  box-shadow: 0 16px 36px rgba(46,167,255,.28), inset 0 1px 0 rgba(255,255,255,.12);
}
.btn-primary:hover,.nav-cta:hover{transform:translateY(-1px)}
.btn-secondary{
  color:#e4f1ff;
  background: rgba(255,255,255,.03);
  border-color: rgba(155,197,255,.18);
}
.btn-secondary:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(155,197,255,.28);
}
.hero-metrics{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
  margin-top:24px;
}
.metric{
  padding:14px 16px;
  border-radius:18px;
  background: rgba(255,255,255,.03);
  border:1px solid rgba(155,197,255,.10);
}
.metric strong{
  display:block;
  font-size:20px;
  color:#fff;
  margin-bottom:4px;
}
.metric span{
  color:var(--muted-2);
  font-size:13px;
}
.hero-aside{
  border-radius:var(--radius-xl);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.ring-grid{
  display:grid;
  grid-template-columns: 152px 1fr;
  gap:18px;
  align-items:center;
}
.ring{
  width:152px;
  aspect-ratio:1;
  border-radius:50%;
  position:relative;
  background:
    conic-gradient(from 220deg, var(--accent) calc(var(--progress) * 1%), rgba(255,255,255,.08) 0);
  box-shadow: 0 0 0 10px rgba(46,167,255,.06), inset 0 0 0 1px rgba(255,255,255,.08);
}
.ring:before{
  content:"";
  position:absolute;
  inset:12px;
  border-radius:50%;
  background: linear-gradient(180deg, rgba(7,18,34,.96), rgba(10,25,47,.82));
  border:1px solid rgba(155,197,255,.12);
}
.ring-core{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  text-align:center;
  padding:20px;
}
.ring-core strong{
  display:block;
  font-size:30px;
  line-height:1;
  margin-bottom:6px;
}
.ring-core span{
  color:var(--muted);
  font-size:13px;
}
.aside-title{
  margin:0 0 6px;
  font-size:22px;
  line-height:1.2;
}
.aside-copy{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.signal-list{
  display:grid;
  gap:10px;
}
.signal-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:18px;
  background: rgba(255,255,255,.03);
  border:1px solid rgba(155,197,255,.10);
  color:#dfefff;
}
.signal-item b{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
}
.signal-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 0 6px rgba(0,209,255,.10);
}
.signal-item em{
  font-style:normal;
  color:var(--muted);
  font-size:13px;
}
.info-strip{
  margin-top:18px;
  border-radius:var(--radius-lg);
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.info-strip p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chip,.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
  color:#ddebff;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(155,197,255,.10);
}
.tag{
  padding:6px 10px;
  font-size:12px;
}
.section{
  padding:18px 0 10px;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.section-title{
  margin:0;
  font-size:clamp(22px, 3vw, 32px);
  line-height:1.16;
}
.section-copy{
  margin:0;
  color:var(--muted);
  max-width:64ch;
  font-size:14px;
}
.grid-4{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap:16px;
}
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:16px;
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:16px;
}
.glass-card,.plan-card,.faq-item{
  border-radius:var(--radius-lg);
}
.glass-card{
  padding:20px;
  position:relative;
  overflow:hidden;
}
.glass-card:before{
  content:"";
  position:absolute;
  inset:auto -40px -40px auto;
  width:120px;height:120px;
  background: radial-gradient(circle, rgba(46,167,255,.16), transparent 70%);
}
.card-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.card-icon{
  width:42px;height:42px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(46,167,255,.18), rgba(0,209,255,.08));
  border:1px solid rgba(155,197,255,.14);
  font-size:18px;
}
.card-title{
  margin:0;
  font-size:18px;
}
.card-text{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.card-link{
  display:inline-flex;
  margin-top:14px;
  color:#bfe6ff;
  font-size:13px;
}
.card-link:hover{color:#fff;transform:translateX(2px)}
.panel{
  padding:22px;
  background: rgba(255,255,255,.03);
  border:1px solid rgba(155,197,255,.10);
  border-radius:var(--radius-lg);
}
.panel-title{
  margin:0 0 10px;
  font-size:20px;
}
.panel-text{
  margin:0 0 14px;
  color:var(--muted);
  font-size:14px;
}
.step-list{
  display:grid;
  gap:10px;
}
.step{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-top:1px solid rgba(155,197,255,.08);
}
.step:first-child{border-top:none;padding-top:0}
.step-num{
  width:28px;height:28px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:50%;
  background: rgba(46,167,255,.16);
  color:#d7f0ff;
  border:1px solid rgba(46,167,255,.22);
  font-size:13px;
  font-weight:700;
}
.step-body strong{display:block;margin-bottom:3px;font-size:15px}
.step-body span{display:block;color:var(--muted);font-size:13px}
.stats-board{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:16px;
}
.stat-card{
  padding:18px;
  border-radius:var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
  border:1px solid rgba(155,197,255,.10);
}
.stat-card strong{
  display:block;
  font-size:28px;
  line-height:1;
  margin-bottom:8px;
}
.stat-card span{
  color:var(--muted);
  font-size:13px;
}
.compare-box{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:16px;
  margin-top:16px;
}
.compare{
  padding:20px;
  border-radius:var(--radius-lg);
  background: rgba(255,255,255,.03);
  border:1px solid rgba(155,197,255,.10);
}
.compare h3{
  margin:0 0 8px;
  font-size:18px;
}
.compare p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.plan-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:16px;
}
.plan-card{
  padding:22px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.025));
  border:1px solid rgba(155,197,255,.12);
}
.plan-tag{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(46,167,255,.12);
  border:1px solid rgba(46,167,255,.20);
  color:#ccecff;
  font-size:12px;
  margin-bottom:14px;
}
.plan-card h3{
  margin:0 0 8px;
  font-size:20px;
}
.plan-card .price{
  margin:0 0 12px;
  font-size:30px;
  font-weight:800;
  letter-spacing:-.03em;
}
.plan-card ul{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
.plan-card li{
  display:flex;
  gap:10px;
  color:#dbe9fa;
  font-size:14px;
}
.plan-card li:before{
  content:"•";
  color:var(--accent-2);
}
.plan-card .btn-row{
  margin-top:18px;
}
.plan-note{
  color:var(--muted);
  font-size:12px;
  margin-top:12px;
}
.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  overflow:hidden;
  background: rgba(255,255,255,.03);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-weight:700;
  color:#eef6ff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{
  content:"+";
  color:#9fd9ff;
  font-size:18px;
}
.faq-item[open] summary:after{content:"–"}
.faq-body{
  padding:0 20px 18px;
  color:var(--muted);
  font-size:14px;
}
.cta-shell{
  margin-top:16px;
  padding:28px;
  border-radius:var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(46,167,255,.16), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(155,197,255,.12);
  box-shadow:var(--shadow);
}
.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}
.footer{
  margin-top:28px;
  border-radius:28px 28px 0 0;
  border-left:none;
  border-right:none;
  border-bottom:none;
  background: linear-gradient(180deg, rgba(7,18,35,.92), rgba(5,16,31,.98));
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap:20px;
  padding:28px 0 18px;
}
.footer h3,.footer h4{
  margin:0 0 12px;
}
.footer p,.footer a{
  color:var(--muted);
  font-size:14px;
}
.footer a{
  display:block;
  margin-bottom:8px;
}
.footer a:hover{color:#fff}
.copyright{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:18px 0 24px;
  border-top:1px solid rgba(155,197,255,.10);
  color:var(--muted-2);
  font-size:13px;
}
.nav-links.is-open{display:flex}
@media (max-width: 1024px){
  .hero-shell,.grid-4,.plan-grid{grid-template-columns:1fr 1fr}
  .grid-3,.stats-board,.footer-grid,.compare-box{grid-template-columns:1fr 1fr}
  .hero-copy{padding:28px}
}
@media (max-width: 768px){
  .menu-toggle{display:grid;place-items:center}
  .nav-inner{position:relative}
  .nav-links{
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:82px;
    flex-direction:column;
    align-items:stretch;
    padding:12px;
    border-radius:22px;
    background: rgba(6,16,31,.96);
  }
  .nav-links a{padding:14px 16px}
  .nav-cta{display:none}
  .hero-shell,.grid-4,.grid-3,.grid-2,.stats-board,.plan-grid,.footer-grid,.compare-box{grid-template-columns:1fr}
  .ring-grid{grid-template-columns:1fr;justify-items:start}
  .info-strip{flex-direction:column;align-items:flex-start}
  .hero-metrics{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .hero-copy,.hero-aside,.glass-card,.plan-card,.faq-item,.cta-shell{padding:20px}
}
@media (max-width: 520px){
  .site-container{width:min(100% - 20px, 1180px)}
  .hero-title{font-size:30px}
  .action-row,.cta-row{flex-direction:column}
  .btn-primary,.btn-secondary{width:100%}
  .metric strong{font-size:18px}
  .ring{width:134px}
}