/* roulang page: index */
:root {
      --bg: #06100f;
      --bg-2: #0b1715;
      --panel: rgba(16, 29, 27, .86);
      --panel-strong: rgba(22, 38, 35, .95);
      --text: #eef8f5;
      --muted: #9fb4ae;
      --soft: #c7d8d3;
      --line: rgba(209, 255, 242, .14);
      --line-bright: rgba(71, 255, 215, .42);
      --primary: #36f4c9;
      --primary-2: #a8ff68;
      --accent: #ff8a5b;
      --warning: #ffd166;
      --shadow: 0 22px 70px rgba(0, 0, 0, .38);
      --shadow-soft: 0 12px 38px rgba(0, 0, 0, .26);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --nav-height: 78px;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 20% 8%, rgba(54, 244, 201, .12), transparent 28%),
        radial-gradient(circle at 80% 16%, rgba(255, 138, 91, .10), transparent 25%),
        linear-gradient(180deg, #06100f 0%, #081311 48%, #050a09 100%);
      line-height: 1.65;
      min-width: 320px;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      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: 44px 44px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.28));
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

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

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

    .site-header {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 50;
      transition: top .25s ease, background .25s ease, box-shadow .25s ease;
    }

    .nav-shell {
      width: min(var(--container), calc(100% - 32px));
      min-height: var(--nav-height);
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 12px 14px 12px 18px;
      background: rgba(9, 19, 18, .58);
      border: 1px solid rgba(225, 255, 247, .16);
      border-radius: var(--radius);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 54px rgba(0, 0, 0, .26);
    }

    .site-header.is-solid {
      top: 0;
    }

    .site-header.is-solid .nav-shell {
      background: rgba(7, 16, 15, .94);
      border-color: rgba(71, 255, 215, .24);
      box-shadow: var(--shadow-soft);
    }

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

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(54,244,201,.96), rgba(168,255,104,.9));
      position: relative;
      box-shadow: 0 0 26px rgba(54, 244, 201, .32);
      flex: 0 0 auto;
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      background: #06100f;
    }

    .logo-mark::before {
      width: 8px;
      height: 8px;
      left: 8px;
      top: 9px;
    }

    .logo-mark::after {
      width: 5px;
      height: 5px;
      right: 8px;
      bottom: 9px;
    }

    .logo-text {
      max-width: 268px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-size: 15px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      color: var(--soft);
      font-size: 14px;
    }

    .nav-links a {
      padding: 9px 11px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      transition: color .2s ease, background .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(54, 244, 201, .10);
      border-color: rgba(54, 244, 201, .24);
    }

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

    .search-box {
      display: flex;
      align-items: center;
      gap: 7px;
      width: 206px;
      height: 40px;
      padding: 0 12px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(255, 255, 255, .13);
      border-radius: var(--radius-sm);
      color: var(--muted);
    }

    .search-box input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
      font-size: 13px;
    }

    .search-box input::placeholder {
      color: #7f9790;
    }

    .search-box:focus-within {
      border-color: var(--line-bright);
      box-shadow: 0 0 0 3px rgba(54, 244, 201, .10);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      font-weight: 750;
      font-size: 14px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      outline: none;
      white-space: nowrap;
    }

    .btn:focus-visible,
    .menu-toggle:focus-visible,
    .faq-q:focus-visible {
      outline: 3px solid rgba(54, 244, 201, .45);
      outline-offset: 3px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #06100f;
      box-shadow: 0 14px 36px rgba(54, 244, 201, .22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(54, 244, 201, .32);
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .16);
    }

    .btn-ghost:hover {
      border-color: rgba(54, 244, 201, .38);
      background: rgba(54, 244, 201, .10);
      transform: translateY(-2px);
    }

    .btn-accent {
      background: rgba(255, 138, 91, .15);
      color: #ffd2c0;
      border: 1px solid rgba(255, 138, 91, .42);
    }

    .btn-accent:hover {
      background: rgba(255, 138, 91, .22);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .07);
      color: var(--text);
      border: 1px solid rgba(255,255,255,.15);
    }

    .hero {
      min-height: 760px;
      padding: 138px 0 88px;
      position: relative;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -5% 0;
      height: 240px;
      background: linear-gradient(180deg, transparent, var(--bg));
      pointer-events: none;
    }

    .profile-cover {
      position: relative;
      z-index: 1;
      border: 1px solid rgba(225, 255, 247, .14);
      border-radius: var(--radius);
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(54, 244, 201, .18), transparent 38%),
        linear-gradient(90deg, rgba(255, 138, 91, .12), transparent 52%),
        rgba(12, 24, 22, .78);
      box-shadow: var(--shadow);
    }

    .cover-map {
      height: 210px;
      position: relative;
      background:
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        radial-gradient(circle at 18% 48%, rgba(54,244,201,.42), transparent 3%),
        radial-gradient(circle at 48% 35%, rgba(168,255,104,.26), transparent 4%),
        radial-gradient(circle at 78% 55%, rgba(255,138,91,.34), transparent 4%),
        #0b1816;
      background-size: 58px 58px, 58px 58px, auto, auto, auto, auto;
    }

    .cover-map::before {
      content: "";
      position: absolute;
      left: 12%;
      right: 12%;
      top: 50%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(54,244,201,.68), rgba(255,138,91,.55), transparent);
      transform: rotate(-4deg);
    }

    .hero-content {
      display: grid;
      grid-template-columns: 1.04fr .96fr;
      gap: 34px;
      padding: 0 34px 34px;
      margin-top: -58px;
      position: relative;
      z-index: 2;
      align-items: end;
    }

    .profile-head {
      display: flex;
      gap: 18px;
      align-items: flex-start;
    }

    .avatar {
      width: 104px;
      height: 104px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, #36f4c9, #a8ff68 56%, #ff8a5b);
      border: 5px solid rgba(6, 16, 15, .92);
      box-shadow: 0 18px 38px rgba(0,0,0,.36);
      position: relative;
      flex: 0 0 auto;
    }

    .avatar::after {
      content: "HD";
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
      color: #06100f;
      font-weight: 900;
      font-size: 28px;
    }

    .hero h1 {
      margin: 12px 0 14px;
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: 0;
      max-width: 760px;
    }

    .hero-desc {
      margin: 0 0 22px;
      max-width: 720px;
      color: var(--soft);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 22px 0 18px;
    }

    .badge-row,
    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .badge,
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.14);
      color: var(--soft);
      font-size: 13px;
    }

    .badge strong {
      color: var(--primary);
      font-size: 15px;
    }

    .status-panel {
      align-self: stretch;
      display: grid;
      gap: 12px;
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .status-card {
      min-height: 118px;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(5, 12, 11, .58);
      box-shadow: 0 14px 34px rgba(0,0,0,.18);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .status-card:hover {
      transform: scale(1.03);
      border-color: rgba(54,244,201,.42);
      background: rgba(10, 24, 22, .74);
    }

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

    .status-card .v {
      margin-top: 8px;
      color: var(--text);
      font-size: 22px;
      font-weight: 850;
    }

    main {
      position: relative;
      z-index: 2;
    }

    section {
      padding: 78px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(260px, .48fr);
      gap: 26px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-kicker {
      margin: 0 0 10px;
      color: var(--primary);
      font-weight: 800;
      font-size: 13px;
    }

    h2 {
      margin: 0;
      font-size: clamp(25px, 3.2vw, 36px);
      line-height: 1.22;
      letter-spacing: 0;
    }

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

    .directory {
      padding-top: 36px;
    }

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

    .node-card,
    .feature-card,
    .evidence-card,
    .plan-card,
    .quote,
    .info-link,
    .person-card {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .node-card:hover,
    .feature-card:hover,
    .evidence-card:hover,
    .plan-card:hover,
    .quote:hover,
    .info-link:hover,
    .person-card:hover {
      transform: translateY(-4px) scale(1.01);
      border-color: var(--line-bright);
      box-shadow: 0 20px 56px rgba(0, 0, 0, .34);
      background: rgba(18, 34, 31, .94);
    }

    .node-card {
      padding: 18px;
      min-height: 168px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .node-card::after {
      content: "";
      position: absolute;
      right: -24px;
      bottom: -24px;
      width: 90px;
      height: 90px;
      border: 1px solid rgba(54,244,201,.22);
      border-radius: 50%;
    }

    .node-card h3,
    .feature-card h3,
    .plan-card h3,
    .person-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.35;
    }

    .node-card p,
    .feature-card p,
    .plan-card p,
    .person-card p,
    .quote p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .rail-wrap {
      position: relative;
    }

    .rail {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(240px, 1fr);
      gap: 14px;
      overflow-x: auto;
      overscroll-behavior-x: contain;
      scroll-snap-type: x mandatory;
      padding: 4px 2px 18px;
      scrollbar-color: rgba(54,244,201,.55) rgba(255,255,255,.08);
    }

    .rail::after {
      content: "";
      width: 1px;
    }

    .feature-card {
      min-height: 204px;
      padding: 18px;
      scroll-snap-align: start;
    }

    .feature-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      margin-bottom: 18px;
      background: rgba(54, 244, 201, .12);
      color: var(--primary);
      border: 1px solid rgba(54,244,201,.24);
      font-weight: 900;
    }

    .feature-meta {
      margin-top: 18px;
      display: flex;
      justify-content: space-between;
      gap: 10px;
      align-items: center;
      color: var(--primary-2);
      font-size: 13px;
    }

    .demo-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(20, 36, 33, .94), rgba(8, 17, 16, .92));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .demo-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .tabbar {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tab {
      padding: 8px 11px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.12);
      color: var(--soft);
      font-size: 13px;
    }

    .tab.active {
      color: #06100f;
      background: var(--primary);
      border-color: var(--primary);
      font-weight: 800;
    }

    .demo-body {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 0;
      min-height: 420px;
    }

    .filter-column {
      padding: 22px;
      border-right: 1px solid var(--line);
    }

    .filter-group {
      margin-bottom: 22px;
    }

    .filter-group strong {
      display: block;
      margin-bottom: 10px;
      font-size: 14px;
    }

    .chip {
      color: var(--soft);
      cursor: default;
    }

    .chip.is-on {
      color: #06100f;
      background: var(--primary-2);
      border-color: var(--primary-2);
      font-weight: 800;
    }

    .entry-stage {
      padding: 22px;
      min-width: 0;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .entry-card {
      min-height: 154px;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.13);
      background:
        linear-gradient(145deg, rgba(54,244,201,.12), transparent 45%),
        rgba(255,255,255,.045);
      position: relative;
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .entry-card:hover {
      transform: scale(1.045);
      border-color: rgba(54,244,201,.52);
      box-shadow: 0 18px 44px rgba(54,244,201,.08);
    }

    .entry-card h3 {
      margin: 34px 0 7px;
      font-size: 16px;
    }

    .entry-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .quality {
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 4px 7px;
      border-radius: 5px;
      background: rgba(54,244,201,.14);
      color: var(--primary);
      border: 1px solid rgba(54,244,201,.24);
      font-size: 12px;
      font-weight: 800;
    }

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

    .evidence-card {
      padding: 20px;
      min-height: 162px;
    }

    .metric {
      font-size: 34px;
      line-height: 1;
      color: var(--primary);
      font-weight: 900;
      margin-bottom: 12px;
    }

    .evidence-card h3 {
      margin: 0 0 8px;
      font-size: 16px;
    }

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

    .trust-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 22px;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 58px;
      color: var(--soft);
      font-size: 14px;
    }

    .trust-icon {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      color: #06100f;
      background: var(--primary);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
    }

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

    .info-link {
      display: grid;
      grid-template-columns: 116px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 14px;
    }

    .info-time {
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
    }

    .info-link h3 {
      margin: 0 0 4px;
      font-size: 16px;
    }

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

    .recommend {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,138,91,.28);
      background: linear-gradient(145deg, rgba(255,138,91,.12), rgba(255,255,255,.04));
      box-shadow: var(--shadow-soft);
    }

    .recommend h3 {
      margin: 0 0 10px;
      font-size: 20px;
    }

    .recommend p {
      margin: 0 0 16px;
      color: var(--soft);
    }

    .people-rail {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: 280px;
      gap: 14px;
      overflow-x: auto;
      padding: 4px 2px 18px;
      scroll-snap-type: x mandatory;
    }

    .person-card {
      padding: 18px;
      scroll-snap-align: start;
    }

    .person-top {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .person-avatar {
      width: 46px;
      height: 46px;
      border-radius: 8px;
      background: linear-gradient(135deg, rgba(54,244,201,.9), rgba(255,138,91,.9));
      display: grid;
      place-items: center;
      color: #06100f;
      font-weight: 900;
    }

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

    .quote {
      padding: 18px;
    }

    .quote-head {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .quote-avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: rgba(54,244,201,.16);
      border: 1px solid rgba(54,244,201,.32);
    }

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

    .plan-card {
      padding: 20px;
      position: relative;
    }

    .plan-card.recommend-plan {
      border-color: rgba(54,244,201,.55);
      box-shadow: 0 20px 60px rgba(54,244,201,.10);
    }

    .plan-label {
      position: absolute;
      top: 16px;
      right: 16px;
      padding: 4px 8px;
      border-radius: 5px;
      background: rgba(54,244,201,.16);
      color: var(--primary);
      font-size: 12px;
      font-weight: 850;
    }

    .price {
      margin: 16px 0;
      font-size: 30px;
      font-weight: 900;
      color: var(--text);
    }

    .price span {
      font-size: 14px;
      color: var(--muted);
      font-weight: 500;
    }

    .plan-list {
      padding: 0;
      margin: 18px 0 22px;
      list-style: none;
      display: grid;
      gap: 10px;
      color: var(--soft);
      font-size: 14px;
    }

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

    .plan-list li::before {
      content: "•";
      color: var(--primary-2);
      font-weight: 900;
    }

    .lead-panel {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 22px;
      align-items: center;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--line-bright);
      background:
        linear-gradient(135deg, rgba(54,244,201,.14), rgba(255,138,91,.10)),
        rgba(10, 23, 21, .92);
      box-shadow: var(--shadow);
    }

    .lead-panel h2 {
      margin-bottom: 12px;
    }

    .lead-panel p {
      margin: 0;
      color: var(--soft);
    }

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

    .lead-form input {
      width: 100%;
      min-height: 46px;
      padding: 0 14px;
      color: var(--text);
      background: rgba(0,0,0,.28);
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius-sm);
      outline: 0;
    }

    .lead-form input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(54,244,201,.12);
    }

    .faq-list {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(12, 24, 22, .72);
    }

    .faq-item + .faq-item {
      border-top: 1px solid var(--line);
    }

    .faq-q {
      width: 100%;
      min-height: 58px;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 800;
    }

    .faq-q span:last-child {
      color: var(--primary);
      font-size: 22px;
      transition: transform .2s ease;
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height .25s ease;
    }

    .faq-a p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.open .faq-a {
      max-height: 180px;
    }

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

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 24px;
      z-index: 60;
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding: 10px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius);
      background: rgba(6, 15, 14, .78);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-soft);
    }

    .float-top {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.08);
      color: var(--primary);
      border: 1px solid rgba(54,244,201,.25);
      font-weight: 900;
    }

    .site-footer {
      padding: 54px 0 32px;
      border-top: 1px solid var(--line);
      background: rgba(2, 7, 6, .46);
      margin-bottom: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: end;
    }

    .footer-brand {
      font-size: 18px;
      font-weight: 850;
      margin-bottom: 8px;
    }

    .footer-text {
      max-width: 720px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
      color: var(--soft);
      font-size: 14px;
    }

    .footer-links a {
      padding: 7px 9px;
      border-radius: var(--radius-sm);
    }

    .footer-links a:hover {
      background: rgba(54,244,201,.10);
      color: var(--primary);
    }

    .copyright {
      margin-top: 28px;
      color: #71857f;
      font-size: 13px;
    }

    @media (max-width: 1023px) {
      .nav-shell {
        flex-wrap: wrap;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-top: 6px;
      }

      .search-box {
        width: 176px;
      }

      .hero-content,
      .section-head,
      .demo-body,
      .news-layout,
      .lead-panel {
        grid-template-columns: 1fr;
      }

      .hero-content {
        align-items: stretch;
      }

      .status-panel,
      .directory-grid,
      .evidence-grid,
      .trust-strip,
      .quotes,
      .plans {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .filter-column {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

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

    @media (max-width: 767px) {
      :root {
        --nav-height: auto;
      }

      body {
        padding-bottom: 78px;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        top: 10px;
      }

      .nav-shell {
        width: min(100% - 22px, var(--container));
        padding: 10px;
      }

      .logo-text {
        max-width: 190px;
        font-size: 14px;
      }

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

      .nav-links,
      .nav-actions {
        display: none;
        width: 100%;
      }

      .nav-shell.menu-open .nav-links,
      .nav-shell.menu-open .nav-actions {
        display: flex;
      }

      .nav-shell.menu-open .nav-links {
        flex-direction: column;
        align-items: stretch;
        overflow: visible;
      }

      .nav-shell.menu-open .nav-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .search-box {
        width: 100%;
      }

      .nav-actions .btn {
        width: 100%;
      }

      .hero {
        min-height: auto;
        padding: 116px 0 54px;
      }

      .cover-map {
        height: 150px;
      }

      .hero-content {
        padding: 0 16px 20px;
        margin-top: -42px;
        gap: 22px;
      }

      .profile-head {
        flex-direction: column;
      }

      .avatar {
        width: 84px;
        height: 84px;
      }

      .hero-desc {
        font-size: 15px;
      }

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

      section {
        padding: 54px 0;
      }

      .section-head {
        gap: 12px;
      }

      .status-panel,
      .directory-grid,
      .evidence-grid,
      .trust-strip,
      .quotes,
      .plans,
      .entry-grid {
        grid-template-columns: 1fr;
      }

      .rail {
        grid-auto-columns: 80vw;
      }

      .info-link {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .people-rail {
        grid-auto-columns: 82vw;
      }

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

      .floating-cta {
        left: 10px;
        right: 10px;
        bottom: max(10px, env(safe-area-inset-bottom));
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }

      .floating-cta .btn {
        flex: 1;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      .badge-row,
      .chips,
      .tabbar {
        flex-direction: row;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 2px;
      }

      .badge,
      .chip,
      .tab {
        white-space: nowrap;
      }

      .demo-top {
        align-items: flex-start;
        flex-direction: column;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#070b0d;
      --bg-2:#0c1215;
      --panel:#10181c;
      --panel-2:#131f23;
      --glass:rgba(12,18,21,.72);
      --glass-strong:rgba(9,14,17,.92);
      --text:#f2f7f6;
      --muted:#a8b6b4;
      --soft:#748582;
      --line:rgba(219,255,246,.13);
      --line-strong:rgba(81,255,218,.35);
      --primary:#35f2d0;
      --primary-2:#8cff6b;
      --accent:#ff8b5d;
      --warning:#ffd36a;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --shadow-soft:0 14px 42px rgba(0,0,0,.28);
      --radius:8px;
      --radius-lg:14px;
      --container:1180px;
      --nav-h:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(53,242,208,.18),transparent 34%),
        radial-gradient(circle at 88% 18%,rgba(255,139,93,.12),transparent 32%),
        linear-gradient(180deg,#06090b 0%,#081013 42%,#06090b 100%);
      line-height:1.65;
      font-size:16px;
      overflow-x:hidden;
      padding-bottom:0;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      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:72px 72px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),rgba(0,0,0,.18));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:fixed;
      top:16px;
      left:0;
      width:100%;
      z-index:1000;
      transition:top .25s var(--ease);
      pointer-events:none;
    }
    .nav-shell{
      width:min(1240px,calc(100% - 36px));
      margin:0 auto;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:0 18px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--glass);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      box-shadow:0 16px 50px rgba(0,0,0,.32);
      pointer-events:auto;
      transition:background .25s var(--ease),border-color .25s var(--ease),height .25s var(--ease);
    }
    .site-header.scrolled{top:0}
    .site-header.scrolled .nav-shell{
      width:100%;
      border-radius:0;
      background:var(--glass-strong);
      border-left:0;
      border-right:0;
      border-top:0;
      height:68px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.2px;
    }
    .logo-mark{
      width:30px;
      height:30px;
      border-radius:50%;
      background:
        radial-gradient(circle at 60% 35%,#fff 0 8%,transparent 9%),
        conic-gradient(from 140deg,var(--primary),var(--primary-2),var(--accent),var(--primary));
      box-shadow:0 0 28px rgba(53,242,208,.38);
      position:relative;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      inset:8px;
      border:1px solid rgba(7,11,13,.72);
      border-radius:50%;
      background:rgba(7,11,13,.45);
    }
    .logo-text{font-size:16px;white-space:nowrap}
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      flex:1;
      justify-content:center;
    }
    .nav-links a{
      color:var(--muted);
      padding:9px 10px;
      border-radius:8px;
      font-size:14px;
      transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
      white-space:nowrap;
    }
    .nav-links a:hover,.nav-links a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.07);
      outline:none;
    }
    .nav-links a.active{
      color:#07110f;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 8px 28px rgba(53,242,208,.22);
      font-weight:700;
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-box{
      width:178px;
      height:40px;
      display:flex;
      align-items:center;
      gap:6px;
      padding:0 10px;
      color:var(--soft);
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      border-radius:8px;
      transition:border-color .2s var(--ease),background .2s var(--ease);
    }
    .search-box:focus-within{
      border-color:var(--line-strong);
      background:rgba(53,242,208,.08);
    }
    .search-box input{
      width:100%;
      min-width:0;
      color:var(--text);
      background:transparent;
      border:0;
      outline:0;
      font-size:13px;
    }
    .search-box input::placeholder{color:#758682}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:10px 16px;
      border:1px solid transparent;
      border-radius:8px;
      font-weight:750;
      color:var(--text);
      background:rgba(255,255,255,.07);
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.32)}
    .btn:active{transform:translateY(0);filter:brightness(.92)}
    .btn:focus-visible{outline:2px solid rgba(53,242,208,.9);outline-offset:3px}
    .btn-primary{
      color:#06100e;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 36px rgba(53,242,208,.22);
    }
    .btn-ghost{border-color:var(--line);background:rgba(255,255,255,.045)}
    .btn-accent{
      color:#160906;
      background:linear-gradient(135deg,#ffb36f,var(--accent));
      box-shadow:0 12px 36px rgba(255,139,93,.2);
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:8px;
      color:var(--text);
      background:rgba(255,255,255,.06);
    }
    .hero{
      position:relative;
      min-height:760px;
      padding:148px 0 86px;
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      right:-120px;
      top:112px;
      width:520px;
      height:520px;
      border:1px solid rgba(53,242,208,.18);
      border-radius:50%;
      background:radial-gradient(circle,rgba(53,242,208,.12),transparent 62%);
      z-index:-1;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:44px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--primary);
      background:rgba(53,242,208,.075);
      font-size:13px;
      font-weight:700;
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 16px var(--primary);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:18px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.08;
      letter-spacing:-.5px;
    }
    .hero-sub{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .hero-notes{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .note-pill{
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      border-radius:999px;
      padding:7px 10px;
    }
    .lead-panel{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(150deg,rgba(255,255,255,.08),rgba(255,255,255,.025)),
        rgba(10,16,19,.82);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .lead-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(53,242,208,.09),transparent);
      transform:translateX(-72%);
      animation:shimmer 5.5s infinite;
      pointer-events:none;
    }
    @keyframes shimmer{50%,100%{transform:translateX(72%)}}
    .cover-top{
      display:grid;
      grid-template-columns:150px 1fr;
      gap:18px;
      padding:22px;
      border-bottom:1px solid var(--line);
    }
    .doc-cover{
      min-height:204px;
      border-radius:8px;
      background:
        linear-gradient(160deg,rgba(53,242,208,.28),rgba(140,255,107,.12) 42%,rgba(255,139,93,.2)),
        repeating-linear-gradient(0deg,rgba(255,255,255,.1) 0 1px,transparent 1px 18px);
      border:1px solid rgba(255,255,255,.16);
      padding:16px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .doc-title{font-weight:900;line-height:1.25;color:#fff}
    .doc-code{font-size:12px;color:rgba(255,255,255,.68)}
    .summary-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .summary-list li{
      padding:11px 12px;
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(0,0,0,.16);
      color:var(--muted);
      font-size:14px;
    }
    .lead-form{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      padding:18px 22px 22px;
    }
    .lead-form input{
      min-height:44px;
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.06);
      color:var(--text);
      padding:0 13px;
      outline:0;
      transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
    }
    .lead-form input:focus{
      border-color:var(--line-strong);
      box-shadow:0 0 0 4px rgba(53,242,208,.08);
    }
    main{position:relative}
    section{padding:78px 0;scroll-margin-top:96px}
    .section-head{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(260px,420px);
      gap:30px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:8px;
    }
    h2{font-size:clamp(25px,3.5vw,36px);line-height:1.22;margin-bottom:0}
    .section-desc{color:var(--muted);margin-bottom:0}
    .filter-bar{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.045);
      padding:16px;
      display:flex;
      align-items:center;
      gap:12px;
      overflow-x:auto;
      box-shadow:var(--shadow-soft);
      margin-bottom:24px;
      scrollbar-width:thin;
    }
    .chip{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:36px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--muted);
      background:rgba(9,14,17,.68);
      font-size:14px;
      transition:all .2s var(--ease);
    }
    .chip:hover,.chip.active{
      color:#06100e;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      border-color:transparent;
      transform:translateY(-1px);
    }
    .track-wrap{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
      padding:20px;
      overflow:hidden;
    }
    .track-wrap::before,.track-wrap::after{
      content:"";
      position:absolute;
      top:0;bottom:0;width:80px;
      pointer-events:none;
      z-index:2;
    }
    .track-wrap::before{left:0;background:linear-gradient(90deg,var(--bg-2),transparent)}
    .track-wrap::after{right:0;background:linear-gradient(270deg,var(--bg-2),transparent)}
    .entry-track{
      display:flex;
      gap:16px;
      overflow-x:auto;
      scroll-snap-type:x mandatory;
      padding-bottom:6px;
      scrollbar-width:thin;
    }
    .entry-card{
      flex:0 0 285px;
      scroll-snap-align:start;
      min-height:188px;
      border:1px solid var(--line);
      border-radius:8px;
      background:
        radial-gradient(circle at 18% 18%,rgba(53,242,208,.16),transparent 34%),
        linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
      padding:18px;
      transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
    }
    .entry-card:hover{
      transform:scale(1.04);
      border-color:var(--line-strong);
      box-shadow:0 20px 58px rgba(0,0,0,.34),0 0 0 1px rgba(53,242,208,.08) inset;
    }
    .card-badge{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(53,242,208,.12);
      color:var(--primary);
      font-size:12px;
      font-weight:800;
      margin-bottom:14px;
    }
    .entry-card h3,.grid-card h3,.step-card h3,.plan-card h3{font-size:18px;margin-bottom:9px}
    .entry-card p,.grid-card p,.step-card p,.plan-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
    .mini-link{color:var(--primary);font-weight:800;font-size:14px}
    .grid-panel{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:start;
    }
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .grid-card,.step-card,.plan-card,.faq-item,.side-panel,.cta-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(16,24,28,.76);
      box-shadow:var(--shadow-soft);
    }
    .grid-card{
      padding:18px;
      min-height:196px;
      transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
    }
    .grid-card:hover{
      transform:translateY(-5px) scale(1.015);
      border-color:var(--line-strong);
      background:rgba(19,31,35,.92);
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .tag{
      padding:4px 8px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
      background:rgba(255,255,255,.035);
    }
    .side-panel{padding:22px;position:sticky;top:96px}
    .status-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:13px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
    }
    .status-line:last-child{border-bottom:0}
    .status-value{color:var(--text);font-weight:800}
    .steps{
      display:grid;
      grid-template-columns:1fr;
      gap:14px;
      max-width:920px;
    }
    .step-card{
      display:grid;
      grid-template-columns:72px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      transition:transform .22s var(--ease),border-color .22s var(--ease);
    }
    .step-card:hover{transform:translateX(6px);border-color:var(--line-strong)}
    .step-no{
      width:52px;height:52px;border-radius:50%;
      display:grid;place-items:center;
      color:#06100e;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 24px rgba(53,242,208,.24);
    }
    .step-arrow{color:var(--primary);font-size:24px}
    .evidence-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-bottom:20px;
    }
    .metric{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
      padding:20px;
    }
    .metric strong{
      display:block;
      color:var(--primary);
      font-size:32px;
      line-height:1;
      margin-bottom:10px;
    }
    .metric span{color:var(--muted);font-size:14px}
    .compare{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:rgba(16,24,28,.72);
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      border-bottom:1px solid var(--line);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-row div{padding:14px 16px;color:var(--muted)}
    .compare-row.head div{color:var(--text);font-weight:800;background:rgba(255,255,255,.055)}
    .compare-row div+div{border-left:1px solid var(--line)}
    .plans{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .plan-card{
      padding:22px;
      position:relative;
      overflow:hidden;
      transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
    }
    .plan-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow)}
    .plan-card.featured{border-color:rgba(53,242,208,.5)}
    .plan-card.featured::before{
      content:"推荐";
      position:absolute;
      right:16px;
      top:16px;
      padding:4px 8px;
      border-radius:999px;
      color:#06100e;
      font-size:12px;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
    }
    .price{
      font-size:30px;
      font-weight:900;
      margin:10px 0 12px;
      color:var(--text);
    }
    .price small{font-size:13px;color:var(--muted);font-weight:500}
    .check-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:9px}
    .check-list li{color:var(--muted);font-size:14px;display:flex;gap:8px}
    .check-list li::before{content:"✓";color:var(--primary);font-weight:900}
    .faq-wrap{display:grid;gap:12px;max-width:980px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      min-height:54px;
      padding:16px 18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      color:var(--text);
      border:0;
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{color:var(--primary);font-size:22px;transition:transform .22s var(--ease)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 18px 18px;
      color:var(--muted);
    }
    .faq-item.open{border-color:var(--line-strong)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-item.open .faq-answer{max-height:220px}
    .cta-panel{
      padding:28px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 18% 0,rgba(53,242,208,.18),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
    }
    .cta-panel h2{margin-bottom:8px}
    .cta-panel p{color:var(--muted);margin-bottom:0}
    .float-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:998;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-cta .btn{box-shadow:0 16px 40px rgba(0,0,0,.38)}
    .top-btn{
      width:46px;height:46px;padding:0;border-radius:50%;
      align-self:flex-end;
    }
    .site-footer{
      padding:54px 0 28px;
      background:linear-gradient(180deg,rgba(7,11,13,.2),rgba(0,0,0,.58));
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:36px;
      align-items:start;
      padding-bottom:24px;
    }
    .footer-brand{font-size:20px;font-weight:900;margin-bottom:10px}
    .footer-text{max-width:720px;color:var(--muted);margin:0}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
    .footer-links a{
      color:var(--muted);
      border:1px solid var(--line);
      border-radius:8px;
      padding:8px 10px;
      transition:all .2s var(--ease);
    }
    .footer-links a:hover{color:var(--text);border-color:var(--line-strong);background:rgba(53,242,208,.08)}
    .copyright{
      border-top:1px solid var(--line);
      padding-top:18px;
      color:var(--soft);
      font-size:13px;
    }
    @media (max-width:1100px){
      .nav-links{position:fixed;left:18px;right:18px;top:86px;display:none;flex-direction:column;align-items:stretch;padding:14px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--glass-strong);backdrop-filter:blur(18px)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px}
      .menu-toggle{display:inline-grid;place-items:center}
      .search-box{display:none}
      .hero-layout,.grid-panel{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      body{font-size:15px;padding-bottom:82px}
      .container{width:min(100% - 28px,var(--container))}
      .site-header{top:10px}
      .nav-shell{width:calc(100% - 20px);height:64px;padding:0 12px}
      .logo-text{font-size:14px;max-width:178px;overflow:hidden;text-overflow:ellipsis}
      .nav-actions .btn{display:none}
      .hero{min-height:auto;padding:112px 0 54px}
      .cover-top{grid-template-columns:1fr}
      .doc-cover{min-height:160px}
      .lead-form{grid-template-columns:1fr}
      section{padding:52px 0}
      .section-head{grid-template-columns:1fr;gap:10px}
      .entry-card{flex-basis:80vw}
      .cards-grid,.plans{grid-template-columns:1fr}
      .step-card{grid-template-columns:54px 1fr}
      .step-arrow{display:none}
      .evidence-grid{grid-template-columns:1fr}
      .compare{overflow-x:auto}
      .compare-row{min-width:620px}
      .cta-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .float-cta{
        left:10px;
        right:10px;
        bottom:10px;
        padding:10px;
        flex-direction:row;
        justify-content:space-between;
        border:1px solid var(--line);
        border-radius:14px;
        background:rgba(7,11,13,.82);
        backdrop-filter:blur(16px);
        padding-bottom:calc(10px + env(safe-area-inset-bottom));
      }
      .float-cta .btn{flex:1}
      .top-btn{flex:0 0 46px}
    }
    @media (max-width:520px){
      h1{font-size:32px}
      .hero-actions .btn{width:100%}
      .filter-bar{padding:12px}
      .track-wrap{padding:14px}
      .grid-card,.plan-card,.cta-panel{padding:18px}
    }

/* roulang page: category2 */
:root {
      --bg: #070908;
      --bg-soft: #0d1210;
      --panel: rgba(15, 21, 18, 0.82);
      --panel-strong: rgba(19, 28, 24, 0.94);
      --line: rgba(222, 255, 241, 0.14);
      --line-bright: rgba(57, 255, 202, 0.46);
      --text: #eef8f3;
      --muted: #a7b8b0;
      --faint: #6d7f77;
      --primary: #38f8c9;
      --primary-2: #9dff6a;
      --accent: #ff9466;
      --warn: #ffd166;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
      --glow: 0 0 32px rgba(56, 248, 201, 0.2);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --font: PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.65;
      background:
        radial-gradient(circle at 12% 8%, rgba(56, 248, 201, 0.16), transparent 34%),
        radial-gradient(circle at 88% 22%, rgba(255, 148, 102, 0.13), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(45deg, rgba(255,255,255,0.025) 1px, transparent 1px),
        var(--bg);
      background-size: auto, auto, 46px 46px, 46px 46px, auto;
      overflow-x: hidden;
    }

    body.menu-open {
      overflow: hidden;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    input {
      border: 0;
      outline: 0;
      color: var(--text);
    }

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

    .site-header {
      position: fixed;
      top: 16px;
      left: 0;
      right: 0;
      z-index: 50;
      transition: top 0.25s ease;
      pointer-events: none;
    }

    .nav-shell {
      width: min(1240px, calc(100% - 32px));
      margin: 0 auto;
      min-height: 70px;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 12px 14px;
      border: 1px solid rgba(232, 255, 246, 0.18);
      border-radius: var(--radius);
      background: rgba(7, 11, 9, 0.48);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: 0 18px 46px rgba(0, 0, 0, 0.28);
      pointer-events: auto;
      transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .site-header.is-solid .nav-shell {
      background: rgba(7, 11, 9, 0.92);
      border-color: rgba(56, 248, 201, 0.28);
      box-shadow: 0 20px 54px rgba(0, 0, 0, 0.48);
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 232px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(56, 248, 201, 0.96), rgba(157, 255, 106, 0.82)),
        #12342b;
      box-shadow: var(--glow);
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      background: rgba(7, 9, 8, 0.7);
    }

    .logo-mark::before {
      width: 16px;
      height: 2px;
      top: 16px;
      left: 9px;
      transform: rotate(-28deg);
    }

    .logo-mark::after {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      right: 7px;
      bottom: 8px;
    }

    .logo-text {
      font-size: 17px;
      max-width: 220px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.05);
      color: var(--text);
      transition: 0.2s ease;
    }

    .menu-toggle:hover,
    .menu-toggle:focus-visible {
      border-color: var(--line-bright);
      box-shadow: var(--glow);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }

    .nav-links a {
      padding: 9px 10px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      line-height: 1;
      transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: var(--text);
      background: rgba(56, 248, 201, 0.1);
      outline: none;
    }

    .nav-links a.active {
      border: 1px solid rgba(56, 248, 201, 0.26);
    }

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

    .search-box {
      width: 194px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 12px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.055);
      color: var(--muted);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .search-box:focus-within {
      border-color: var(--line-bright);
      box-shadow: var(--glow);
    }

    .search-box input {
      width: 100%;
      min-width: 0;
      background: transparent;
      font-size: 13px;
    }

    .search-box input::placeholder {
      color: #80928a;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 750;
      color: var(--text);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
      white-space: nowrap;
    }

    .btn:hover,
    .btn:focus-visible {
      transform: translateY(-2px);
      outline: none;
    }

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

    .btn-primary {
      color: #04100c;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 12px 34px rgba(56, 248, 201, 0.22);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      box-shadow: 0 16px 44px rgba(56, 248, 201, 0.32);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.065);
      border-color: rgba(255, 255, 255, 0.16);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      border-color: var(--line-bright);
      box-shadow: var(--glow);
    }

    .btn-accent {
      color: #160804;
      background: linear-gradient(135deg, var(--accent), #ffd166);
      box-shadow: 0 14px 38px rgba(255, 148, 102, 0.24);
    }

    .page-hero {
      position: relative;
      min-height: 760px;
      padding: 150px 0 86px;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(7,9,8,0.96), rgba(7,9,8,0.62) 54%, rgba(7,9,8,0.9)),
        repeating-linear-gradient(90deg, transparent 0, transparent 78px, rgba(56,248,201,0.07) 79px),
        repeating-linear-gradient(0deg, transparent 0, transparent 78px, rgba(255,255,255,0.035) 79px);
      pointer-events: none;
    }

    .hero-layout {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
      gap: 38px;
      align-items: center;
    }

    .crumb {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 7px 10px;
      border: 1px solid rgba(56, 248, 201, 0.22);
      border-radius: 999px;
      color: var(--primary);
      background: rgba(56, 248, 201, 0.07);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .crumb-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 18px var(--primary);
    }

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

    h1 {
      margin-bottom: 18px;
      max-width: 760px;
      font-size: 52px;
      line-height: 1.12;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      color: #c1d2ca;
      font-size: 17px;
      margin-bottom: 26px;
    }

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

    .quick-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      max-width: 690px;
    }

    .stat-tile {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.045);
    }

    .stat-num {
      display: block;
      color: var(--primary);
      font-size: 22px;
      font-weight: 850;
      line-height: 1.1;
    }

    .stat-label {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 4px;
    }

    .coupon-wall {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 0.82fr;
      gap: 14px;
      align-items: stretch;
    }

    .coupon-main {
      min-height: 382px;
      padding: 24px;
      border: 1px solid rgba(56, 248, 201, 0.42);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(56,248,201,0.14), rgba(255,148,102,0.1)),
        rgba(10, 16, 13, 0.88);
      box-shadow: var(--shadow), var(--glow);
      position: relative;
      overflow: hidden;
    }

    .coupon-main::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px dashed rgba(238, 248, 243, 0.2);
      border-radius: var(--radius-sm);
      pointer-events: none;
    }

    .coupon-main::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -62px;
      top: -58px;
      border: 1px solid rgba(56, 248, 201, 0.18);
      border-radius: 50%;
      background: rgba(56, 248, 201, 0.05);
    }

    .coupon-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      background: rgba(255, 148, 102, 0.14);
      color: #ffd2bf;
      font-size: 13px;
      margin-bottom: 28px;
    }

    .coupon-title {
      position: relative;
      z-index: 1;
      margin: 0 0 12px;
      font-size: 32px;
      line-height: 1.2;
    }

    .coupon-desc {
      position: relative;
      z-index: 1;
      color: var(--muted);
      margin-bottom: 24px;
    }

    .coupon-list {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 10px;
      margin: 0 0 28px;
      padding: 0;
      list-style: none;
    }

    .coupon-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #d7e7df;
      font-size: 15px;
    }

    .coupon-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 14px rgba(56, 248, 201, 0.62);
    }

    .coupon-side {
      display: grid;
      gap: 14px;
    }

    .mini-coupon {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(18, 25, 22, 0.72);
      min-height: 118px;
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .mini-coupon:hover {
      transform: scale(1.035);
      border-color: var(--line-bright);
      box-shadow: var(--glow);
    }

    .mini-coupon strong {
      display: block;
      font-size: 17px;
      margin-bottom: 6px;
    }

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

    main {
      position: relative;
      padding-bottom: 92px;
    }

    .section {
      padding: 86px 0;
      position: relative;
    }

    .section.alt {
      background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
      border-top: 1px solid rgba(255,255,255,0.06);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.75fr) minmax(280px, 0.45fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 28px;
    }

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

    h2 {
      font-size: 34px;
      line-height: 1.22;
      margin-bottom: 0;
      letter-spacing: 0;
    }

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

    .map-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      padding: 1px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.06);
      overflow: hidden;
    }

    .map-node {
      min-height: 128px;
      padding: 18px;
      background:
        linear-gradient(140deg, rgba(56,248,201,0.075), transparent),
        rgba(12, 17, 15, 0.92);
      position: relative;
      transition: transform 0.2s ease, background 0.2s ease;
    }

    .map-node:hover {
      transform: translateY(-3px);
      background:
        linear-gradient(140deg, rgba(56,248,201,0.14), rgba(255,148,102,0.06)),
        rgba(14, 21, 18, 0.98);
    }

    .map-node::before {
      content: "";
      position: absolute;
      top: 18px;
      right: 18px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 18px var(--primary);
    }

    .map-node strong {
      display: block;
      margin-bottom: 8px;
      font-size: 17px;
    }

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

    .filter-panel {
      display: grid;
      grid-template-columns: 250px minmax(0, 1fr);
      gap: 18px;
      align-items: start;
    }

    .sticky-filter {
      position: sticky;
      top: 106px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .filter-title {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 850;
    }

    .chip-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.045);
      color: var(--muted);
      font-size: 13px;
      transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    }

    .chip:hover,
    .chip.active {
      color: var(--text);
      border-color: var(--line-bright);
      background: rgba(56, 248, 201, 0.1);
    }

    .track-stack {
      display: grid;
      gap: 18px;
      min-width: 0;
    }

    .resource-track {
      position: relative;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(12, 18, 15, 0.76);
      overflow: hidden;
    }

    .resource-track::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      width: 70px;
      pointer-events: none;
      background: linear-gradient(90deg, transparent, rgba(12,18,15,0.94));
    }

    .track-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .track-top h3 {
      margin: 0;
      font-size: 20px;
    }

    .track-hint {
      color: var(--faint);
      font-size: 13px;
    }

    .cards-row {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(220px, 260px);
      gap: 14px;
      overflow-x: auto;
      padding: 4px 40px 8px 2px;
      scroll-snap-type: x mandatory;
      scrollbar-width: thin;
      scrollbar-color: rgba(56, 248, 201, 0.42) rgba(255,255,255,0.05);
    }

    .cards-row::-webkit-scrollbar {
      height: 8px;
    }

    .cards-row::-webkit-scrollbar-track {
      background: rgba(255,255,255,0.05);
      border-radius: 999px;
    }

    .cards-row::-webkit-scrollbar-thumb {
      background: rgba(56, 248, 201, 0.42);
      border-radius: 999px;
    }

    .entry-card {
      min-height: 176px;
      scroll-snap-align: start;
      padding: 16px;
      border: 1px solid rgba(255,255,255,0.11);
      border-radius: var(--radius);
      background:
        linear-gradient(160deg, rgba(56,248,201,0.08), transparent 60%),
        rgba(18, 24, 21, 0.86);
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .entry-card:hover,
    .entry-card:focus-within {
      transform: scale(1.04);
      border-color: var(--line-bright);
      box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34), var(--glow);
    }

    .entry-card h3,
    .entry-card h4 {
      margin: 0 0 8px;
      font-size: 17px;
      line-height: 1.35;
    }

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

    .tag-line {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 8px;
      border-radius: 999px;
      border: 1px solid rgba(56, 248, 201, 0.2);
      background: rgba(56, 248, 201, 0.07);
      color: #c9fff1;
      font-size: 12px;
    }

    .badge.warn {
      border-color: rgba(255, 148, 102, 0.28);
      background: rgba(255, 148, 102, 0.1);
      color: #ffd4c2;
    }

    .demo-console {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel-strong);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .console-bar {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px 18px;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,0.04);
    }

    .tabs {
      display: flex;
      gap: 8px;
      overflow-x: auto;
    }

    .tab {
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 8px 12px;
      color: var(--muted);
      background: rgba(255,255,255,0.04);
      white-space: nowrap;
    }

    .tab.active {
      color: #06100d;
      background: var(--primary);
      border-color: var(--primary);
      font-weight: 800;
    }

    .console-body {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      gap: 18px;
      padding: 18px;
    }

    .device-frame {
      min-height: 420px;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(56,248,201,0.08), transparent),
        rgba(6, 10, 8, 0.72);
      padding: 16px;
    }

    .device-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 13px;
    }

    .screen-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .screen-block {
      min-height: 126px;
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-sm);
      padding: 12px;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.06), transparent),
        rgba(18, 26, 22, 0.86);
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .screen-block:hover {
      transform: scale(1.03);
      border-color: var(--line-bright);
    }

    .screen-block strong {
      display: block;
      margin-bottom: 6px;
    }

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

    .side-check {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,0.045);
    }

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

    .check-list li {
      display: grid;
      grid-template-columns: 24px minmax(0, 1fr);
      gap: 10px;
      align-items: start;
      color: var(--muted);
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      display: grid;
      place-items: center;
      width: 24px;
      height: 24px;
      border-radius: 6px;
      color: #06100d;
      background: var(--primary);
      font-weight: 900;
      line-height: 1;
    }

    .evidence-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 18px;
    }

    .metric-board,
    .compare-board {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      padding: 20px;
      box-shadow: var(--shadow);
    }

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

    .metric-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,0.045);
    }

    .metric-item span {
      color: var(--muted);
    }

    .metric-item strong {
      color: var(--primary);
      font-size: 22px;
    }

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

    .compare-row {
      display: grid;
      grid-template-columns: 160px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

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

    .bar {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

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

    .plan-card {
      position: relative;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(13, 19, 16, 0.86);
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .plan-card:hover {
      transform: translateY(-5px);
      border-color: var(--line-bright);
      box-shadow: var(--shadow), var(--glow);
    }

    .plan-card.recommend {
      border-color: rgba(56, 248, 201, 0.5);
      background:
        linear-gradient(180deg, rgba(56,248,201,0.13), transparent),
        rgba(13, 19, 16, 0.92);
    }

    .plan-name {
      margin-bottom: 8px;
      font-size: 20px;
      font-weight: 850;
    }

    .plan-price {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--primary);
      font-size: 30px;
      font-weight: 900;
    }

    .plan-price small {
      color: var(--muted);
      font-size: 13px;
      font-weight: 500;
    }

    .plan-card p {
      color: var(--muted);
      min-height: 52px;
      margin-bottom: 18px;
    }

    .plan-card ul {
      list-style: none;
      margin: 0 0 20px;
      padding: 0;
      display: grid;
      gap: 10px;
    }

    .plan-card li {
      color: #d6e5de;
      font-size: 14px;
    }

    .plan-card li::before {
      content: "•";
      color: var(--primary);
      margin-right: 8px;
    }

    .faq-wrap {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      overflow: hidden;
    }

    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .faq-item:last-child {
      border-bottom: 0;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      border: 0;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 800;
      transition: background 0.2s ease;
    }

    .faq-question:hover,
    .faq-question:focus-visible {
      background: rgba(56,248,201,0.06);
      outline: none;
    }

    .faq-question span:last-child {
      color: var(--primary);
      font-size: 20px;
      transition: transform 0.2s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 26px;
      border: 1px solid rgba(56, 248, 201, 0.3);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(56,248,201,0.12), rgba(255,148,102,0.1)),
        rgba(13, 20, 17, 0.9);
      box-shadow: var(--shadow), var(--glow);
    }

    .cta-panel h2 {
      margin-bottom: 8px;
    }

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

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 45;
      display: flex;
      gap: 10px;
      align-items: center;
      padding: 10px;
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: var(--radius);
      background: rgba(7, 11, 9, 0.74);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: var(--shadow);
    }

    .float-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,0.06);
      color: var(--text);
      transition: 0.2s ease;
    }

    .float-icon:hover,
    .float-icon:focus-visible {
      border-color: var(--line-bright);
      box-shadow: var(--glow);
      outline: none;
    }

    .site-footer {
      padding: 54px 0 34px;
      border-top: 1px solid rgba(255,255,255,0.09);
      background: rgba(4, 7, 6, 0.92);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      margin-bottom: 10px;
      font-size: 20px;
      font-weight: 900;
    }

    .footer-text {
      max-width: 760px;
      color: var(--muted);
      margin-bottom: 0;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      min-width: 190px;
    }

    .footer-links a {
      color: var(--muted);
      transition: color 0.2s ease;
    }

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

    .copyright {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,0.08);
      color: var(--faint);
      font-size: 13px;
    }

    @media (max-width: 1180px) {
      .nav-links {
        gap: 0;
      }

      .nav-links a {
        padding: 9px 8px;
        font-size: 13px;
      }

      .search-box {
        display: none;
      }

      .hero-layout,
      .evidence-grid {
        grid-template-columns: 1fr;
      }

      .coupon-wall {
        max-width: 820px;
      }
    }

    @media (max-width: 1023px) {
      .site-header {
        top: 10px;
      }

      .nav-shell {
        width: min(100% - 20px, 760px);
        flex-wrap: wrap;
      }

      .logo {
        min-width: 0;
        flex: 1;
      }

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

      .nav-links,
      .nav-actions {
        display: none;
        width: 100%;
      }

      .nav-shell.is-open .nav-links,
      .nav-shell.is-open .nav-actions {
        display: flex;
      }

      .nav-links {
        flex-direction: column;
        align-items: stretch;
        padding-top: 10px;
        border-top: 1px solid var(--line);
      }

      .nav-links a {
        min-height: 42px;
        display: flex;
        align-items: center;
      }

      .nav-actions {
        padding-top: 10px;
      }

      .search-box {
        display: flex;
        width: 100%;
      }

      .page-hero {
        padding-top: 134px;
        min-height: auto;
      }

      h1 {
        font-size: 40px;
      }

      .section-head,
      .filter-panel,
      .console-body,
      .cta-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .sticky-filter {
        position: relative;
        top: 0;
      }

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

      .console-bar {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 767px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .nav-shell {
        padding: 10px;
      }

      .logo-text {
        max-width: 210px;
        font-size: 15px;
      }

      .page-hero {
        padding: 122px 0 58px;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 27px;
      }

      .hero-lead,
      .section-summary {
        font-size: 15px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .quick-stats,
      .coupon-wall,
      .map-strip,
      .plans-grid,
      .screen-grid {
        grid-template-columns: 1fr;
      }

      .coupon-main {
        min-height: auto;
      }

      .cards-row {
        grid-auto-columns: 78vw;
      }

      .compare-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .section {
        padding: 62px 0;
      }

      .floating-cta {
        left: 10px;
        right: 10px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        justify-content: space-between;
      }

      .floating-cta .btn {
        flex: 1;
        min-width: 0;
      }

      .float-icon {
        flex: 0 0 42px;
      }

      main {
        padding-bottom: 116px;
      }
    }

    @media (max-width: 520px) {
      .logo-text {
        max-width: 178px;
      }

      .btn {
        width: 100%;
      }

      .nav-actions .btn {
        width: auto;
      }

      .coupon-title {
        font-size: 26px;
      }

      .stat-tile,
      .entry-card,
      .plan-card,
      .metric-board,
      .compare-board {
        padding: 16px;
      }
    }