/* roulang page: index */
:root {
      --bg: #08090f;
      --bg-soft: #10111a;
      --panel: #151722;
      --panel-strong: #1b1d2a;
      --text: #f7f7fb;
      --muted: #a7adbd;
      --faint: #747b8d;
      --line: rgba(255,255,255,.09);
      --line-strong: rgba(255,255,255,.16);
      --purple: #8b5cf6;
      --rose: #f43f5e;
      --cyan: #22d3ee;
      --lime: #a3e635;
      --warning: #fbbf24;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 24px 70px rgba(0,0,0,.48);
      --glow: 0 0 32px rgba(139,92,246,.26);
      --container: 1220px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
        radial-gradient(circle at 20% 0%, rgba(139,92,246,.22), transparent 32%),
        radial-gradient(circle at 78% 12%, rgba(244,63,94,.16), transparent 28%),
        linear-gradient(180deg, #08090f 0%, #10111a 45%, #08090f 100%);
      background-size: 36px 36px, 36px 36px, auto, auto, auto;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button { border: 0; cursor: pointer; }
    img { max-width: 100%; display: block; }
    ::selection { background: rgba(139,92,246,.5); color: #fff; }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: 72px;
      background: rgba(8,9,15,.88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .nav-shell {
      height: 72px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 20px;
    }

    .nav-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-left { justify-content: flex-start; }
    .nav-right { justify-content: flex-end; }

    .nav-link {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      transition: transform .18s ease, color .18s ease, background .18s ease, border-color .18s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: #fff;
      background: rgba(255,255,255,.06);
      border-color: var(--line);
      outline: none;
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(139,92,246,.32), rgba(244,63,94,.24));
      border-color: rgba(255,255,255,.17);
      box-shadow: var(--glow);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 850;
      color: #fff;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      position: relative;
      background: conic-gradient(from 140deg, var(--cyan), var(--purple), var(--rose), var(--lime), var(--cyan));
      box-shadow: 0 0 28px rgba(139,92,246,.34);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 5px;
      border-radius: 50%;
      background: #0b0c13;
      border: 1px solid rgba(255,255,255,.16);
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      width: 15px;
      height: 5px;
      border-radius: 999px;
      background: #fff;
      top: 15px;
      left: 10px;
      transform: rotate(-35deg);
      z-index: 2;
      box-shadow: 0 0 16px rgba(255,255,255,.5);
    }

    .brand-text {
      font-size: 16px;
      max-width: 270px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
      color: #fff;
      align-items: center;
      justify-content: center;
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      width: 18px;
      height: 2px;
      border-radius: 2px;
      display: block;
      background: #fff;
      position: relative;
      transition: transform .2s ease, opacity .2s ease;
    }

    .mobile-toggle span::before,
    .mobile-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .mobile-toggle span::before { top: -6px; }
    .mobile-toggle span::after { top: 6px; }
    .mobile-toggle[aria-expanded="true"] span { background: transparent; }
    .mobile-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
    .mobile-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

    .mobile-menu {
      display: none;
      padding: 12px 0 18px;
      background: rgba(8,9,15,.96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(16px);
    }

    .mobile-menu.open { display: block; }
    .mobile-menu-grid {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
      display: grid;
      gap: 10px;
    }

    .mobile-menu .nav-link {
      width: 100%;
      justify-content: flex-start;
      min-height: 46px;
      border-color: var(--line);
      background: rgba(255,255,255,.035);
    }

    .section {
      padding: 82px 0;
      position: relative;
    }

    .section-tight { padding: 58px 0; }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 7px 11px;
      color: #dce4ff;
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      font-size: 13px;
      font-weight: 700;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 12px rgba(163,230,53,.8);
      flex: 0 0 auto;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: 0;
      margin: 10px 0 0;
    }

    .section-desc {
      color: var(--muted);
      max-width: 650px;
      margin: 12px 0 0;
      font-size: 16px;
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 18px;
      border-radius: 12px;
      font-weight: 800;
      font-size: 15px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, filter .18s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--purple), var(--rose));
      box-shadow: 0 14px 36px rgba(244,63,94,.22), 0 10px 28px rgba(139,92,246,.18);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow: 0 18px 42px rgba(244,63,94,.3), 0 12px 30px rgba(139,92,246,.25);
    }

    .btn-secondary {
      color: #fff;
      background: rgba(255,255,255,.045);
      border: 1px solid var(--line-strong);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(34,211,238,.55);
      background: rgba(34,211,238,.08);
    }

    .btn:active { transform: translateY(0) scale(.99); }
    .btn:focus-visible,
    .nav-link:focus-visible,
    summary:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(34,211,238,.38);
      outline-offset: 3px;
    }

    .hero {
      padding: 54px 0 84px;
    }

    .hero-stage {
      border: 1px solid var(--line);
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(139,92,246,.18), rgba(244,63,94,.08) 45%, rgba(34,211,238,.09)),
        linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(110deg, transparent 0 20%, rgba(255,255,255,.08) 28%, transparent 38% 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 80px);
      opacity: .72;
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 34px;
      padding: clamp(26px, 4vw, 46px);
      align-items: stretch;
    }

    .hero-copy {
      min-height: 520px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    h1 {
      font-size: clamp(32px, 5.2vw, 56px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: 0;
      margin: 16px 0 18px;
      max-width: 720px;
    }

    .hero-lead {
      color: #d7dbea;
      font-size: clamp(16px, 2vw, 18px);
      max-width: 690px;
      margin: 0 0 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }

    .hero-data {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 660px;
    }

    .data-tile {
      min-height: 88px;
      padding: 14px;
      border-radius: 16px;
      background: rgba(8,9,15,.46);
      border: 1px solid var(--line);
    }

    .data-value {
      display: block;
      font-size: 22px;
      font-weight: 900;
      color: #fff;
      line-height: 1.1;
    }

    .data-label {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 7px;
    }

    .schedule-panel {
      align-self: center;
      border-radius: 22px;
      padding: 18px;
      background: rgba(11,12,19,.76);
      border: 1px solid var(--line-strong);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
    }

    .schedule-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      margin-bottom: 16px;
    }

    .schedule-title {
      font-size: 18px;
      font-weight: 900;
      margin: 0;
    }

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

    .slot-card,
    .matrix-card,
    .feature-card,
    .case-card,
    .plan-card,
    .news-card,
    .assurance-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
      border: 1px solid var(--line);
      transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .slot-card {
      min-height: 118px;
      padding: 15px;
      background: rgba(255,255,255,.045);
    }

    .slot-card.active-slot {
      border-color: rgba(34,211,238,.55);
      background: linear-gradient(135deg, rgba(139,92,246,.18), rgba(34,211,238,.1));
      box-shadow: 0 0 24px rgba(34,211,238,.12);
    }

    .slot-time {
      color: #fff;
      font-weight: 900;
      font-size: 15px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .slot-note {
      margin-top: 9px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .status-bar {
      margin-top: 16px;
      border-radius: 999px;
      height: 10px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }

    .status-bar span {
      display: block;
      width: 78%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--purple), var(--rose), var(--cyan));
    }

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

    .matrix-card,
    .feature-card,
    .case-card,
    .news-card,
    .assurance-card {
      padding: 20px;
      min-height: 210px;
    }

    .matrix-card:hover,
    .feature-card:hover,
    .case-card:hover,
    .plan-card:hover,
    .news-card:hover,
    .assurance-card:hover {
      transform: translateY(-4px);
      border-color: rgba(139,92,246,.42);
      box-shadow: 0 18px 44px rgba(0,0,0,.35), 0 0 22px rgba(139,92,246,.11);
    }

    .icon-box {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, rgba(139,92,246,.92), rgba(244,63,94,.86));
      box-shadow: 0 10px 26px rgba(139,92,246,.22);
      margin-bottom: 14px;
    }

    .card-title {
      font-size: 19px;
      font-weight: 900;
      margin: 0 0 8px;
      line-height: 1.35;
    }

    .card-text {
      color: var(--muted);
      font-size: 15px;
      margin: 0;
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 5px 9px;
      font-size: 12px;
      color: #dce4ff;
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      font-weight: 700;
    }

    .milestone-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: start;
    }

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

    .timeline-item {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 16px;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
    }

    .time-label {
      color: var(--cyan);
      font-weight: 900;
      font-size: 14px;
    }

    .timeline-item h3 {
      margin: 0 0 5px;
      font-size: 18px;
      font-weight: 900;
    }

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

    .scenario-panel {
      padding: 24px;
      border-radius: 24px;
      background:
        linear-gradient(145deg, rgba(139,92,246,.12), rgba(34,211,238,.06)),
        rgba(255,255,255,.035);
      border: 1px solid var(--line);
    }

    .scenario-steps {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .step-item {
      display: flex;
      gap: 13px;
      align-items: flex-start;
      padding: 14px;
      border-radius: 16px;
      background: rgba(8,9,15,.42);
      border: 1px solid var(--line);
    }

    .step-num {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--purple), var(--rose));
    }

    .step-item strong {
      display: block;
      line-height: 1.35;
      margin-bottom: 4px;
    }

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

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

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

    .news-link {
      min-height: 72px;
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: 16px;
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }

    .news-link:hover {
      transform: translateX(4px);
      border-color: rgba(34,211,238,.38);
      background: rgba(34,211,238,.055);
    }

    .news-type {
      color: var(--cyan);
      font-size: 13px;
      font-weight: 900;
    }

    .news-link strong {
      color: #fff;
      font-size: 16px;
      line-height: 1.45;
    }

    .news-link span {
      color: var(--faint);
      font-size: 13px;
      justify-self: end;
    }

    .recommend-card {
      padding: 22px;
      border-radius: 22px;
      background: linear-gradient(160deg, rgba(244,63,94,.15), rgba(139,92,246,.1), rgba(255,255,255,.035));
      border: 1px solid rgba(255,255,255,.12);
      min-height: 100%;
    }

    .recommend-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .recommend-item {
      padding: 13px;
      border-radius: 15px;
      background: rgba(8,9,15,.42);
      border: 1px solid var(--line);
    }

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

    .assurance-card {
      min-height: 176px;
    }

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

    .plan-card {
      padding: 24px;
      min-height: 390px;
      display: flex;
      flex-direction: column;
    }

    .plan-card.recommended {
      border-color: rgba(244,63,94,.5);
      box-shadow: 0 22px 56px rgba(244,63,94,.12), var(--shadow);
      background: linear-gradient(180deg, rgba(244,63,94,.13), rgba(139,92,246,.08), rgba(255,255,255,.03));
    }

    .price {
      font-size: 36px;
      line-height: 1;
      font-weight: 950;
      margin: 18px 0 8px;
    }

    .price small {
      font-size: 14px;
      color: var(--muted);
      font-weight: 700;
    }

    .plan-list {
      margin: 18px 0 22px;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .plan-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      margin-top: 10px;
      flex: 0 0 auto;
      background: var(--lime);
      box-shadow: 0 0 12px rgba(163,230,53,.6);
    }

    .plan-card .btn { margin-top: auto; width: 100%; }

    .access-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .access-card {
      padding: 26px;
      border-radius: 24px;
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
      min-height: 250px;
    }

    .input-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      margin-top: 18px;
    }

    .input-row input {
      width: 100%;
      min-height: 48px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.12);
      background: #11131d;
      color: #fff;
      padding: 0 14px;
      outline: none;
    }

    .input-row input:focus {
      border-color: rgba(34,211,238,.72);
      box-shadow: 0 0 0 4px rgba(34,211,238,.12);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    details {
      border-radius: 18px;
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    summary {
      min-height: 66px;
      padding: 18px 20px;
      cursor: pointer;
      font-weight: 900;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

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

    summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: rgba(255,255,255,.07);
      border: 1px solid var(--line);
      flex: 0 0 auto;
    }

    details[open] summary::after {
      content: "-";
      background: linear-gradient(135deg, var(--purple), var(--rose));
    }

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

    .cta-band {
      padding: 30px;
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(139,92,246,.28), rgba(244,63,94,.18), rgba(34,211,238,.12)),
        rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.14);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow);
    }

    .cta-band h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.18;
      font-weight: 950;
    }

    .cta-band p {
      margin: 0;
      color: #d8dceb;
      max-width: 680px;
    }

    .site-footer {
      padding: 46px 0 88px;
      border-top: 1px solid var(--line);
      background: rgba(8,9,15,.78);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      align-items: start;
    }

    .footer-title {
      font-size: 18px;
      font-weight: 900;
      margin: 0 0 12px;
    }

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

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

    .footer-link:hover { color: #fff; }
    .copyright {
      margin-top: 30px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
    }

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 45;
      width: min(100% - 28px, 760px);
      padding: 10px;
      border-radius: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      background: rgba(15,16,25,.92);
      border: 1px solid rgba(255,255,255,.13);
      box-shadow: 0 18px 60px rgba(0,0,0,.5);
      backdrop-filter: blur(18px);
    }

    .fixed-cta strong {
      font-size: 14px;
      line-height: 1.35;
      padding-left: 6px;
    }

    @media (max-width: 1024px) {
      .nav-link { padding: 0 10px; font-size: 13px; }
      .brand-text { max-width: 210px; }
      .hero-inner,
      .milestone-wrap,
      .news-layout,
      .access-panel {
        grid-template-columns: 1fr;
      }
      .hero-copy { min-height: auto; }
      .matrix-grid,
      .plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .assurance-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .site-container { width: min(100% - 28px, var(--container)); }
      .site-header { height: 66px; }
      .nav-shell {
        height: 66px;
        display: flex;
        justify-content: space-between;
      }
      .nav-group { display: none; }
      .brand-text { max-width: calc(100vw - 116px); font-size: 14px; }
      .mobile-toggle { display: inline-flex; }
      .section { padding: 56px 0; }
      .hero { padding: 28px 0 56px; }
      .hero-inner { padding: 22px; }
      .hero-data,
      .slot-grid,
      .matrix-grid,
      .plan-grid,
      .faq-grid,
      .assurance-grid {
        grid-template-columns: 1fr;
      }
      .section-head {
        display: block;
      }
      .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .news-link {
        grid-template-columns: 1fr;
        gap: 6px;
      }
      .news-link span { justify-self: start; }
      .input-row {
        grid-template-columns: 1fr;
      }
      .cta-band {
        display: block;
        padding: 24px;
      }
      .cta-band .hero-actions { margin: 18px 0 0; }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .fixed-cta {
        align-items: stretch;
        flex-direction: column;
      }
      .fixed-cta .btn {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      h1 { font-size: 32px; }
      .hero-actions .btn,
      .cta-band .btn {
        width: 100%;
      }
      .schedule-panel,
      .scenario-panel,
      .access-card {
        padding: 16px;
      }
      .matrix-card,
      .feature-card,
      .case-card,
      .news-card,
      .assurance-card,
      .plan-card {
        padding: 18px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#08090f;
      --bg-2:#10111a;
      --panel:#151722;
      --panel-2:#1b1d2a;
      --text:#f7f7fb;
      --muted:#a8adbd;
      --soft:#d8dcee;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(255,255,255,.16);
      --purple:#8b5cf6;
      --rose:#f43f5e;
      --cyan:#22d3ee;
      --lime:#a3e635;
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --glow:0 0 34px rgba(139,92,246,.22);
      --radius:18px;
      --radius-sm:12px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
        radial-gradient(circle at 16% 8%, rgba(139,92,246,.2), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(244,63,94,.15), transparent 24%),
        linear-gradient(180deg,#08090f 0%,#0d0e16 48%,#08090f 100%);
      background-size:44px 44px,44px 44px,auto,auto,auto;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,9,15,.88);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
    }
    .nav-shell{
      height:72px;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
    }
    .nav-group{display:flex;align-items:center;gap:10px}
    .nav-left{justify-content:flex-start}
    .nav-right{justify-content:flex-end}
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:9px 13px;
      border:1px solid transparent;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link:focus-visible{
      color:var(--text);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.05);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      border-color:rgba(34,211,238,.34);
      background:linear-gradient(135deg,rgba(139,92,246,.22),rgba(244,63,94,.16));
      box-shadow:0 0 22px rgba(34,211,238,.08);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-width:0;
      color:#fff;
      font-weight:800;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:50%;
      position:relative;
      background:conic-gradient(from 20deg,var(--cyan),var(--purple),var(--rose),var(--lime),var(--cyan));
      box-shadow:0 0 24px rgba(139,92,246,.35);
      flex:0 0 auto;
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      inset:5px;
      border-radius:50%;
      background:var(--bg);
      border:1px solid rgba(255,255,255,.18);
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:15px;
      height:4px;
      top:15px;
      left:10px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--lime),var(--cyan));
      transform:rotate(-28deg);
      box-shadow:0 0 12px rgba(34,211,238,.55);
    }
    .brand-text{
      font-size:17px;
      letter-spacing:0;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:300px;
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:#fff;
      align-items:center;
      justify-content:center;
      justify-self:end;
    }
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      display:block;
      width:18px;
      height:2px;
      border-radius:99px;
      background:#fff;
      content:"";
      transition:transform .2s ease;
    }
    .mobile-toggle span:before{transform:translateY(-7px)}
    .mobile-toggle span:after{transform:translateY(5px)}
    .mobile-menu{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(13,14,22,.98);
    }
    .mobile-menu-grid{
      width:min(var(--container),calc(100% - 32px));
      margin:0 auto;
      padding:14px 0 18px;
      display:grid;
      gap:8px;
    }
    .mobile-menu.open{display:block}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(34,211,238,.26);
      border-radius:999px;
      background:rgba(34,211,238,.08);
      color:#c7f8ff;
      font-size:13px;
      line-height:1.3;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 12px rgba(163,230,53,.75);
      flex:0 0 auto;
    }
    .hero{
      position:relative;
      padding:70px 0 42px;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(139,92,246,.18),transparent 36%,rgba(244,63,94,.12) 70%,transparent);
      clip-path:polygon(0 0,100% 0,100% 76%,0 100%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);
      gap:30px;
      align-items:stretch;
    }
    .hero-copy{
      padding:34px 0;
      min-width:0;
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(32px,4.2vw,54px);
      line-height:1.12;
      letter-spacing:0;
      font-weight:900;
    }
    .lead{
      max-width:710px;
      color:var(--soft);
      font-size:17px;
      line-height:1.85;
    }
    .hero-actions,.cta-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:13px;
      border:1px solid transparent;
      color:#fff;
      font-weight:700;
      line-height:1.2;
      transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,background .2s ease;
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--purple),var(--rose));
      box-shadow:0 18px 38px rgba(244,63,94,.2),0 0 24px rgba(139,92,246,.18);
    }
    .btn-secondary{
      background:rgba(21,23,34,.78);
      border-color:var(--line-strong);
      color:#f4f6ff;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{filter:brightness(1.1);box-shadow:0 22px 44px rgba(244,63,94,.25),0 0 32px rgba(139,92,246,.28)}
    .btn-secondary:hover{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.08)}
    .btn:focus-visible,.filter-chip:focus-visible,.faq-question:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:2px solid var(--cyan);
      outline-offset:3px;
    }
    .btn:active{transform:translateY(0) scale(.99)}
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:var(--muted);
      padding:7px 11px;
      font-size:13px;
      line-height:1.25;
    }
    .tag.hot{color:#fff;border-color:rgba(244,63,94,.34);background:rgba(244,63,94,.11)}
    .tag.ok{color:#eaffc5;border-color:rgba(163,230,53,.34);background:rgba(163,230,53,.08)}
    .download-panel,.panel,.card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(27,29,42,.96),rgba(18,20,31,.96));
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .download-panel{
      position:relative;
      overflow:hidden;
      padding:22px;
      min-height:520px;
    }
    .download-panel:before,.card:before,.panel:before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      padding:1px;
      background:linear-gradient(135deg,rgba(139,92,246,.45),rgba(34,211,238,.18),rgba(244,63,94,.34));
      -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
      -webkit-mask-composite:xor;
      mask-composite:exclude;
      opacity:.65;
      pointer-events:none;
    }
    .download-panel,.card,.panel{position:relative}
    .cover{
      border-radius:16px;
      padding:24px;
      min-height:238px;
      background:
        linear-gradient(135deg,rgba(139,92,246,.35),rgba(244,63,94,.18)),
        linear-gradient(180deg,#202333,#12141f);
      border:1px solid rgba(255,255,255,.11);
      overflow:hidden;
      position:relative;
    }
    .cover:after{
      content:"";
      position:absolute;
      left:-20%;
      top:22%;
      width:140%;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      transform:rotate(-16deg);
      opacity:.55;
    }
    .cover-title{
      font-size:26px;
      line-height:1.25;
      font-weight:900;
      max-width:260px;
      position:relative;
      z-index:1;
    }
    .cover-sub{
      margin-top:16px;
      color:#dce2ff;
      font-size:14px;
      position:relative;
      z-index:1;
    }
    .toc{
      margin-top:18px;
      display:grid;
      gap:10px;
    }
    .toc-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border:1px solid var(--line);
      border-radius:13px;
      background:rgba(255,255,255,.04);
      color:var(--soft);
      font-size:14px;
    }
    .toc-code{color:var(--cyan);font-weight:800}
    .mini-form{
      margin-top:18px;
      display:grid;
      gap:10px;
    }
    .field{
      width:100%;
      min-height:46px;
      color:#fff;
      background:#11131d;
      border:1px solid rgba(255,255,255,.12);
      border-radius:12px;
      padding:11px 13px;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .field::placeholder{color:#747b91}
    .field:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 4px rgba(34,211,238,.08);
      outline:none;
    }
    .note{font-size:12px;color:var(--muted);line-height:1.55}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:26px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(26px,3vw,34px);
      line-height:1.22;
      font-weight:900;
      letter-spacing:0;
    }
    .section-head p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:650px;
    }
    .filter-panel{
      padding:18px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(21,23,34,.78);
      display:grid;
      gap:16px;
      box-shadow:0 14px 38px rgba(0,0,0,.22);
    }
    .filter-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
    }
    .filter-label{
      color:#fff;
      font-weight:800;
      margin-right:2px;
      font-size:14px;
    }
    .filter-chip{
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:var(--muted);
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      min-height:38px;
      transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
    }
    .filter-chip:hover{
      color:#fff;
      border-color:rgba(34,211,238,.34);
      transform:translateY(-1px);
    }
    .filter-chip.active{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg,var(--purple),var(--rose));
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:22px;
      align-items:start;
    }
    .card-list{display:grid;gap:16px}
    .card{
      overflow:hidden;
      padding:20px;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.24);
      box-shadow:0 26px 70px rgba(0,0,0,.42),0 0 28px rgba(139,92,246,.15);
      background:linear-gradient(180deg,rgba(31,34,50,.98),rgba(19,21,32,.98));
    }
    .entry-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
    }
    .card h3{
      margin:0;
      font-size:20px;
      line-height:1.35;
      font-weight:850;
    }
    .card p{
      margin:9px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .score{
      min-width:116px;
      text-align:right;
    }
    .score strong{
      display:block;
      font-size:28px;
      line-height:1;
      color:#fff;
    }
    .score span{font-size:12px;color:var(--muted)}
    .progress{
      margin-top:10px;
      height:7px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .progress i{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--lime),var(--cyan),var(--purple));
    }
    .side-panel{
      position:sticky;
      top:92px;
      display:grid;
      gap:16px;
    }
    .panel{padding:20px}
    .panel h3{
      margin:0 0 12px;
      font-size:18px;
      line-height:1.35;
      font-weight:850;
    }
    .check-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--soft);
      font-size:14px;
    }
    .check-icon{
      width:20px;
      height:20px;
      margin-top:3px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(163,230,53,.1);
      border:1px solid rgba(163,230,53,.34);
      color:var(--lime);
      font-size:12px;
      flex:0 0 auto;
    }
    .flow-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .flow-card{
      padding:18px;
      min-height:180px;
      border-radius:16px;
      border:1px solid var(--line);
      background:rgba(21,23,34,.72);
      position:relative;
      overflow:hidden;
    }
    .flow-num{
      width:34px;
      height:34px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      background:linear-gradient(135deg,var(--purple),var(--rose));
      font-weight:900;
      margin-bottom:14px;
    }
    .flow-card h3{font-size:18px;margin:0 0 8px;font-weight:850}
    .flow-card p{margin:0;color:var(--muted);font-size:14px}
    .signal-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .signal{
      padding:18px;
      border-radius:16px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(27,29,42,.82),rgba(15,17,27,.82));
    }
    .signal-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .signal h3{font-size:18px;margin:0;font-weight:850}
    .metric{font-size:24px;font-weight:900;color:#fff}
    .signal p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .faq-item{
      border:1px solid var(--line);
      background:rgba(21,23,34,.8);
      border-radius:16px;
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:17px 18px;
      color:#fff;
      background:transparent;
      border:0;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:22px;
      height:22px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      color:var(--cyan);
      border:1px solid rgba(34,211,238,.24);
      flex:0 0 auto;
    }
    .faq-answer{
      display:none;
      padding:0 18px 18px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{
      overflow:hidden;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(139,92,246,.35),rgba(244,63,94,.22) 48%,rgba(34,211,238,.12)),
        linear-gradient(180deg,#1b1d2a,#11131d);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:24px;
      box-shadow:var(--shadow);
    }
    .cta-band h2{margin:0;font-size:30px;line-height:1.24;font-weight:900}
    .cta-band p{margin:10px 0 0;color:#e6e9f7;max-width:720px}
    .site-footer{
      border-top:1px solid var(--line);
      background:#07080d;
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .7fr;
      gap:32px;
      align-items:start;
    }
    .footer-text{color:var(--muted);max-width:500px}
    .footer-title{margin:0 0 12px;color:#fff;font-size:15px;font-weight:850}
    .footer-links{display:grid;gap:8px}
    .footer-link{
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-link:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid var(--line);
      color:#7f8598;
      font-size:13px;
    }
    @media (max-width:1024px){
      .nav-shell{grid-template-columns:auto 1fr auto}
      .nav-group{display:none}
      .brand{justify-content:flex-start}
      .mobile-toggle{display:inline-flex}
      .hero-grid,.content-layout{grid-template-columns:1fr}
      .download-panel{min-height:auto}
      .side-panel{position:static;grid-template-columns:1fr 1fr}
      .flow-grid{grid-template-columns:repeat(2,1fr)}
      .signal-grid{grid-template-columns:1fr 1fr}
      .cta-band{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .brand-text{max-width:230px;font-size:15px}
      .hero{padding:46px 0 28px}
      .hero-copy{padding:10px 0}
      .section{padding:58px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block}
      .entry-card{grid-template-columns:1fr}
      .score{text-align:left;min-width:0}
      .side-panel,.flow-grid,.signal-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .cta-band{padding:24px}
      .cta-band h2{font-size:25px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
    }
    @media (max-width:520px){
      .nav-shell{height:66px}
      .brand-text{max-width:185px}
      .download-panel,.panel,.card{border-radius:16px}
      .cover{padding:20px}
      .cover-title{font-size:22px}
      .filter-row{align-items:stretch}
      .filter-label{width:100%}
      .filter-chip{flex:1 1 auto}
      h1{font-size:32px}
      .lead{font-size:15px}
    }

/* roulang page: category2 */
:root {
      --bg: #08090f;
      --bg-2: #10111a;
      --panel: #151722;
      --panel-2: #1b1d2a;
      --text: #f7f7fb;
      --muted: #a5adbf;
      --soft: #d8dcef;
      --line: rgba(255,255,255,.09);
      --line-strong: rgba(255,255,255,.16);
      --violet: #8b5cf6;
      --rose: #f43f5e;
      --cyan: #22d3ee;
      --lime: #a3e635;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 24px 70px rgba(0,0,0,.42);
      --glow: 0 0 0 1px rgba(139,92,246,.24), 0 18px 54px rgba(244,63,94,.12);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
        radial-gradient(circle at 18% 8%, rgba(139,92,246,.18), transparent 34%),
        radial-gradient(circle at 84% 16%, rgba(34,211,238,.12), transparent 30%),
        linear-gradient(180deg, #08090f 0%, #0d0e16 48%, #08090f 100%);
      background-size: 44px 44px, 44px 44px, auto, auto, auto;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    button, input, textarea, select { font: inherit; }
    button { cursor: pointer; }
    img { max-width: 100%; display: block; }

    .site-container {
      width: min(100% - 32px, 1220px);
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(8,9,15,.88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .nav-shell {
      height: 72px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
    }

    .nav-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-left { justify-content: flex-start; }
    .nav-right { justify-content: flex-end; }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 8px 13px;
      color: var(--muted);
      border: 1px solid transparent;
      border-radius: 999px;
      font-size: 14px;
      line-height: 1.2;
      transition: transform .2s ease, color .2s ease, border-color .2s ease, background .2s ease;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--text);
      border-color: rgba(34,211,238,.35);
      background: rgba(34,211,238,.07);
      outline: none;
    }

    .nav-link.active {
      color: #fff;
      border-color: rgba(244,63,94,.34);
      background: linear-gradient(135deg, rgba(139,92,246,.22), rgba(244,63,94,.18));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
    }

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

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      position: relative;
      background: conic-gradient(from 120deg, var(--cyan), var(--violet), var(--rose), var(--lime), var(--cyan));
      box-shadow: 0 0 26px rgba(139,92,246,.32);
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 5px;
      border-radius: 50%;
      background: var(--bg);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 14px;
      top: 7px;
      width: 7px;
      height: 20px;
      border-radius: 6px;
      background: linear-gradient(180deg, #fff, var(--cyan));
      transform: rotate(28deg);
      box-shadow: 0 0 16px rgba(34,211,238,.55);
    }

    .brand-text {
      font-size: 18px;
      max-width: 320px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
      position: relative;
    }

    .mobile-toggle span,
    .mobile-toggle::before,
    .mobile-toggle::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      height: 2px;
      background: #fff;
      border-radius: 4px;
      transition: transform .2s ease, opacity .2s ease;
    }

    .mobile-toggle span { top: 21px; }
    .mobile-toggle::before { top: 14px; }
    .mobile-toggle::after { top: 28px; }

    .mobile-toggle[aria-expanded="true"] span { opacity: 0; }
    .mobile-toggle[aria-expanded="true"]::before { transform: translateY(7px) rotate(45deg); }
    .mobile-toggle[aria-expanded="true"]::after { transform: translateY(-7px) rotate(-45deg); }

    .mobile-menu {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(12,13,20,.98);
    }

    .mobile-menu-grid {
      width: min(100% - 32px, 1220px);
      margin: 0 auto;
      padding: 14px 0 18px;
      display: grid;
      gap: 8px;
    }

    .page-hero {
      position: relative;
      padding: 72px 0 42px;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 420px;
      background:
        linear-gradient(120deg, transparent 0%, rgba(139,92,246,.12) 38%, rgba(244,63,94,.12) 58%, transparent 100%),
        repeating-linear-gradient(115deg, rgba(255,255,255,.04) 0 1px, transparent 1px 22px);
      pointer-events: none;
      opacity: .8;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, .86fr) minmax(320px, .54fr);
      gap: 26px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 5px 12px;
      border-radius: 999px;
      color: var(--soft);
      border: 1px solid rgba(34,211,238,.24);
      background: rgba(34,211,238,.07);
      font-size: 13px;
      line-height: 1.35;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--lime);
      box-shadow: 0 0 14px rgba(163,230,53,.72);
      flex: 0 0 auto;
    }

    .hero-title {
      margin: 20px 0 16px;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-title .grad {
      background: linear-gradient(100deg, #fff 0%, #d8ccff 38%, #ffbac8 72%, #b9f4ff 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-copy {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 13px;
      border: 1px solid transparent;
      font-weight: 750;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
      outline: none;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--violet), var(--rose));
      box-shadow: 0 16px 34px rgba(244,63,94,.2);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 22px 46px rgba(244,63,94,.28);
    }

    .btn-secondary {
      color: var(--soft);
      background: rgba(255,255,255,.04);
      border-color: var(--line-strong);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      color: #fff;
      border-color: rgba(34,211,238,.42);
      background: rgba(34,211,238,.08);
      transform: translateY(-2px);
    }

    .btn:active { transform: translateY(0) scale(.99); }

    .panel {
      background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02)), var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .panel::before,
    .task-card::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      padding: 1px;
      background: linear-gradient(135deg, rgba(139,92,246,.48), rgba(244,63,94,.18), rgba(34,211,238,.28));
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      pointer-events: none;
      opacity: .72;
    }

    .hero-check {
      padding: 22px;
      min-height: 100%;
    }

    .check-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      margin-bottom: 18px;
    }

    .panel-title {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 850;
      margin: 0;
    }

    .mini-tag,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 28px;
      padding: 4px 10px;
      border-radius: 999px;
      color: var(--soft);
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      font-size: 12px;
      line-height: 1.25;
      white-space: nowrap;
    }

    .mini-tag.hot {
      color: #fff;
      border-color: rgba(244,63,94,.35);
      background: rgba(244,63,94,.12);
    }

    .meter {
      height: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      margin: 18px 0;
      border: 1px solid rgba(255,255,255,.05);
    }

    .meter span {
      display: block;
      height: 100%;
      width: 86%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--violet), var(--rose), var(--cyan));
      box-shadow: 0 0 18px rgba(34,211,238,.32);
    }

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

    .check-item {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 10px;
      align-items: start;
      padding: 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
    }

    .check-icon {
      width: 28px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      color: #071018;
      background: linear-gradient(135deg, var(--cyan), var(--lime));
      font-weight: 900;
    }

    .check-item strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
      margin-bottom: 2px;
    }

    .check-item span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .section {
      padding: 54px 0;
      position: relative;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(280px, .42fr);
      align-items: end;
      gap: 24px;
      margin-bottom: 24px;
    }

    .section-kicker {
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.22;
      margin: 0;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-copy {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .layout-index {
      display: grid;
      grid-template-columns: 290px minmax(0, 1fr);
      gap: 26px;
      align-items: start;
    }

    .side-index {
      position: sticky;
      top: 96px;
      padding: 16px;
    }

    .side-index-title {
      margin: 0 0 12px;
      color: #fff;
      font-size: 16px;
      font-weight: 850;
    }

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

    .index-link {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      min-height: 44px;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--muted);
      border: 1px solid transparent;
      background: rgba(255,255,255,.025);
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

    .index-link:hover,
    .index-link:focus-visible {
      color: #fff;
      border-color: rgba(34,211,238,.32);
      background: rgba(34,211,238,.06);
      transform: translateX(2px);
      outline: none;
    }

    .index-link b {
      color: var(--cyan);
      font-size: 12px;
      font-weight: 900;
    }

    .content-stack {
      display: grid;
      gap: 18px;
    }

    .group-block {
      padding: 24px;
    }

    .group-top {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
      margin-bottom: 18px;
    }

    .group-title {
      margin: 0;
      font-size: 23px;
      line-height: 1.3;
      font-weight: 900;
    }

    .group-desc {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 720px;
    }

    .task-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .task-card {
      position: relative;
      overflow: hidden;
      min-height: 168px;
      padding: 18px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.018)), var(--panel-2);
      border: 1px solid var(--line);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .task-card:hover {
      transform: translateY(-4px);
      border-color: rgba(244,63,94,.34);
      box-shadow: var(--glow);
      background: linear-gradient(135deg, rgba(139,92,246,.1), rgba(244,63,94,.045)), var(--panel-2);
    }

    .task-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
      color: #fff;
      font-weight: 900;
      background:
        linear-gradient(var(--panel-2), var(--panel-2)) padding-box,
        linear-gradient(135deg, var(--violet), var(--rose), var(--cyan)) border-box;
      border: 1px solid transparent;
    }

    .task-title {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.35;
      font-weight: 850;
    }

    .task-text {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .notice-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .notice-item {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 15px;
      background: rgba(255,255,255,.035);
      border: 1px solid var(--line);
    }

    .notice-num {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--violet), var(--rose));
      box-shadow: 0 10px 22px rgba(139,92,246,.2);
    }

    .notice-item strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
    }

    .notice-item span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
      margin-top: 2px;
    }

    .notice-state {
      color: var(--lime);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
    }

    .score-panel {
      padding: 22px;
      min-height: 100%;
    }

    .score-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid var(--line);
    }

    .score-row:last-child { border-bottom: 0; }

    .score-row strong {
      display: block;
      line-height: 1.35;
    }

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

    .score-value {
      color: #fff;
      font-size: 20px;
      font-weight: 900;
      background: linear-gradient(135deg, rgba(139,92,246,.22), rgba(34,211,238,.08));
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 12px;
      padding: 7px 10px;
      min-width: 72px;
      text-align: center;
    }

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

    .plan-card {
      padding: 22px;
      min-height: 250px;
      display: flex;
      flex-direction: column;
    }

    .plan-card.recommend {
      border-color: rgba(244,63,94,.36);
      box-shadow: var(--glow);
      transform: translateY(-4px);
    }

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

    .plan-name h3 {
      margin: 0;
      font-size: 19px;
      font-weight: 900;
    }

    .plan-price {
      margin: 0 0 12px;
      font-size: 30px;
      line-height: 1.1;
      font-weight: 950;
    }

    .plan-price small {
      font-size: 13px;
      color: var(--muted);
      font-weight: 600;
    }

    .plan-list {
      display: grid;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
      margin: 0 0 18px;
      padding: 0;
      list-style: none;
    }

    .plan-list li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .plan-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 99px;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(34,211,238,.5);
      margin-top: 9px;
      flex: 0 0 auto;
    }

    .plan-card .btn { margin-top: auto; width: 100%; }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .faq-item {
      padding: 20px;
    }

    .faq-item h3 {
      margin: 0 0 8px;
      font-size: 17px;
      line-height: 1.45;
      font-weight: 850;
    }

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

    .cta-band {
      margin: 28px 0 72px;
      padding: 28px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 20px;
      background:
        linear-gradient(135deg, rgba(139,92,246,.2), rgba(244,63,94,.12), rgba(34,211,238,.08)),
        var(--panel);
    }

    .cta-band h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.2;
      font-weight: 900;
    }

    .cta-band p {
      margin: 0;
      color: var(--soft);
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 54px 0 28px;
      background: #07080d;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap: 34px;
      align-items: start;
    }

    .footer-text {
      color: var(--muted);
      max-width: 520px;
      font-size: 14px;
    }

    .footer-title {
      margin: 0 0 12px;
      font-size: 15px;
      font-weight: 900;
      color: #fff;
    }

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

    .footer-link {
      color: var(--muted);
      font-size: 14px;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-link:hover,
    .footer-link:focus-visible {
      color: var(--cyan);
      transform: translateX(2px);
      outline: none;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      color: #7f879a;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .brand-text { max-width: 260px; }
      .nav-link { padding-inline: 10px; }
      .hero-grid,
      .layout-index,
      .scenario-grid {
        grid-template-columns: 1fr;
      }
      .side-index {
        position: relative;
        top: auto;
      }
      .index-links {
        grid-template-columns: repeat(3, minmax(180px, 1fr));
        overflow-x: auto;
        padding-bottom: 4px;
      }
      .plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .plan-card.recommend { transform: none; }
    }

    @media (max-width: 768px) {
      .site-container { width: min(100% - 24px, 1220px); }
      .nav-shell {
        height: 66px;
        grid-template-columns: auto 1fr auto;
      }
      .nav-group { display: none; }
      .brand { justify-self: center; }
      .brand-text { max-width: 230px; font-size: 15px; }
      .mobile-toggle { display: inline-flex; grid-column: 3; }
      .mobile-menu.open { display: block; }
      .mobile-menu .nav-link {
        justify-content: flex-start;
        min-height: 46px;
      }
      .page-hero { padding: 46px 0 28px; }
      .hero-copy { font-size: 15px; }
      .section {
        padding: 42px 0;
      }
      .section-head {
        grid-template-columns: 1fr;
        gap: 10px;
      }
      .task-grid,
      .faq-grid,
      .plan-grid {
        grid-template-columns: 1fr;
      }
      .group-top,
      .check-head {
        flex-direction: column;
        align-items: flex-start;
      }
      .notice-item {
        grid-template-columns: 34px 1fr;
      }
      .notice-state {
        grid-column: 2;
      }
      .cta-band {
        grid-template-columns: 1fr;
        margin-bottom: 52px;
      }
      .cta-actions {
        justify-content: flex-start;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 520px) {
      .brand-text { max-width: 190px; }
      .hero-actions,
      .cta-actions {
        display: grid;
        grid-template-columns: 1fr;
      }
      .btn { width: 100%; }
      .panel,
      .task-card {
        border-radius: 15px;
      }
      .group-block,
      .hero-check,
      .score-panel,
      .plan-card,
      .faq-item,
      .cta-band {
        padding: 18px;
      }
      .index-links {
        grid-template-columns: repeat(3, 168px);
      }
      .hero-title {
        font-size: 32px;
      }
    }