/* roulang page: index */
:root {
      --bg: #090a12;
      --bg-soft: #10111d;
      --panel: rgba(18, 20, 34, 0.92);
      --panel-strong: rgba(23, 25, 42, 0.96);
      --line: rgba(255, 255, 255, 0.12);
      --line-strong: rgba(48, 242, 210, 0.45);
      --text: #f5f7fa;
      --muted: #a6adbb;
      --weak: #747d91;
      --primary: #30f2d2;
      --cyan: #28e0ff;
      --purple: #a855f7;
      --pink: #ff4fd8;
      --lime: #b6ff4d;
      --amber: #ffb84d;
      --danger: #ff6b9a;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
      --glow: 0 0 32px rgba(48, 242, 210, 0.18);
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      line-height: 1.7;
      background:
        radial-gradient(circle at 12% 8%, rgba(48, 242, 210, 0.16), transparent 26%),
        radial-gradient(circle at 88% 12%, rgba(255, 79, 216, 0.12), transparent 26%),
        linear-gradient(180deg, #090a12 0%, #10111d 48%, #090a12 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.22;
      background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 78%);
      z-index: -1;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

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

    .container {
      width: min(100% - 64px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 18px;
      z-index: 50;
      padding: 14px 0;
    }

    .nav-shell {
      width: min(100% - 32px, 1180px);
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 12px 10px 18px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 999px;
      background: rgba(10, 12, 22, 0.72);
      backdrop-filter: blur(14px);
      box-shadow: 0 18px 45px rgba(0, 0, 0, 0.34);
    }

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

    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #071014;
      background: conic-gradient(from 140deg, var(--primary), var(--pink), var(--amber), var(--primary));
      box-shadow: 0 0 22px rgba(48, 242, 210, 0.32);
      flex: 0 0 auto;
    }

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

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

    .nav-links a {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 0 15px;
      color: var(--muted);
      font-size: 14px;
      border-radius: 999px;
      transition: color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      box-shadow: inset 0 0 0 1px rgba(48, 242, 210, 0.2);
    }

    .nav-cta {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 18px;
      border-radius: 999px;
      color: #051013;
      font-weight: 800;
      white-space: nowrap;
      background: linear-gradient(135deg, var(--primary), var(--cyan) 45%, var(--pink));
      box-shadow: 0 0 22px rgba(48, 242, 210, 0.25);
      transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
    }

    .nav-cta:hover {
      transform: translateY(-1px);
      filter: brightness(1.08);
      box-shadow: 0 0 32px rgba(48, 242, 210, 0.35);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--line);
    }

    .menu-toggle span,
    .menu-toggle::before,
    .menu-toggle::after {
      content: "";
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      border-radius: 999px;
      background: currentColor;
      transition: transform .2s ease, opacity .2s ease;
    }

    .hero {
      padding: 70px 0 48px;
    }

    .hero-stage {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
      gap: 28px;
      align-items: stretch;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(48, 242, 210, 0.12), transparent 34%),
        linear-gradient(225deg, rgba(255, 79, 216, 0.12), transparent 38%),
        rgba(18, 20, 34, 0.76);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: auto -90px -130px auto;
      width: 330px;
      height: 330px;
      background: radial-gradient(circle, rgba(182, 255, 77, 0.2), transparent 66%);
      pointer-events: none;
    }

    .hero-copy {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 18px 6px 18px 10px;
    }

    .eyebrow {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 7px 12px;
      border: 1px solid rgba(48, 242, 210, 0.28);
      border-radius: 999px;
      color: var(--primary);
      background: rgba(48, 242, 210, 0.08);
      font-size: 13px;
      font-weight: 700;
    }

    .pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 16px rgba(182, 255, 77, 0.7);
    }

    h1 {
      max-width: 760px;
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: 0;
    }

    .hero-copy p {
      max-width: 760px;
      margin: 20px 0 0;
      color: var(--muted);
      font-size: 17px;
    }

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

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 800;
      white-space: nowrap;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }

    .btn-primary {
      color: #061013;
      background: linear-gradient(135deg, var(--primary), var(--cyan) 48%, var(--pink));
      box-shadow: 0 12px 36px rgba(48, 242, 210, 0.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(48, 242, 210, 0.3);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .btn-secondary:hover {
      border-color: rgba(48, 242, 210, 0.55);
      box-shadow: 0 0 24px rgba(48, 242, 210, 0.12);
    }

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

    .metric {
      min-height: 86px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.045);
    }

    .metric strong {
      display: block;
      color: var(--text);
      font-size: 22px;
      line-height: 1.2;
    }

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

    .whitepaper {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 16px;
      padding: 18px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 26px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025)),
        rgba(11, 13, 23, 0.84);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .paper-cover {
      min-height: 210px;
      position: relative;
      overflow: hidden;
      border-radius: 20px;
      padding: 22px;
      background:
        linear-gradient(135deg, rgba(48, 242, 210, 0.22), rgba(168, 85, 247, 0.18)),
        linear-gradient(180deg, #181a2b, #0d0f1b);
      border: 1px solid rgba(48, 242, 210, 0.26);
    }

    .paper-cover::after {
      content: "";
      position: absolute;
      inset: 32px -30px auto auto;
      width: 160px;
      height: 160px;
      border-radius: 34px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      transform: rotate(16deg);
      background:
        linear-gradient(90deg, transparent 0 48%, rgba(255,255,255,0.12) 48% 52%, transparent 52%),
        rgba(255,255,255,0.04);
    }

    .paper-cover small {
      color: var(--primary);
      font-weight: 800;
    }

    .paper-cover h2 {
      position: relative;
      z-index: 1;
      max-width: 320px;
      margin: 16px 0 0;
      font-size: 26px;
      line-height: 1.22;
      letter-spacing: 0;
    }

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

    .paper-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 44px;
      padding: 10px 12px;
      border-radius: 14px;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.05);
    }

    .paper-list b {
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 8px;
      color: #061013;
      background: var(--primary);
      font-size: 12px;
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 78px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-head h2 {
      max-width: 620px;
      margin: 0;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.2;
      letter-spacing: 0;
    }

    .section-head p {
      max-width: 520px;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 10px;
      border-radius: 999px;
      color: var(--primary);
      background: rgba(48, 242, 210, 0.1);
      border: 1px solid rgba(48, 242, 210, 0.22);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .badge.amber {
      color: var(--amber);
      background: rgba(255, 184, 77, 0.1);
      border-color: rgba(255, 184, 77, 0.26);
    }

    .badge.lime {
      color: var(--lime);
      background: rgba(182, 255, 77, 0.1);
      border-color: rgba(182, 255, 77, 0.26);
    }

    .channel-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 20px;
    }

    .task-card {
      position: relative;
      min-height: 100%;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      box-shadow: 0 16px 42px rgba(0,0,0,0.22);
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .task-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--purple), var(--pink), var(--amber));
      opacity: .9;
    }

    .task-card:hover {
      transform: translateY(-2px);
      border-color: rgba(48, 242, 210, 0.35);
      box-shadow: 0 20px 55px rgba(0,0,0,0.34), 0 0 28px rgba(48,242,210,0.12);
    }

    .task-card h3 {
      margin: 12px 0 8px;
      font-size: 21px;
      line-height: 1.35;
      letter-spacing: 0;
    }

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

    .feature-stack {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .mini-card {
      min-height: 154px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.045);
      transition: transform .2s ease, border-color .2s ease;
    }

    .mini-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 79, 216, 0.38);
    }

    .mini-card h3 {
      margin: 12px 0 6px;
      font-size: 18px;
      letter-spacing: 0;
    }

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

    .data-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      padding: 18px;
      border: 1px solid rgba(48, 242, 210, 0.18);
      border-radius: 26px;
      background:
        linear-gradient(90deg, rgba(48, 242, 210, 0.08), rgba(168, 85, 247, 0.08), rgba(255, 184, 77, 0.06)),
        var(--panel);
      box-shadow: var(--glow);
    }

    .data-item {
      min-height: 112px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(0,0,0,0.18);
      border: 1px solid var(--line);
    }

    .data-item strong {
      display: block;
      font-size: 30px;
      line-height: 1.1;
      color: var(--primary);
    }

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

    .lead-panel {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .lead-note {
      padding: 26px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255, 79, 216, 0.08), rgba(48, 242, 210, 0.04)), var(--panel);
    }

    .lead-note h2 {
      margin: 0 0 14px;
      font-size: 30px;
      line-height: 1.2;
      letter-spacing: 0;
    }

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

    .form-box {
      padding: 24px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,0.15);
      background: rgba(255, 255, 255, 0.055);
    }

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

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

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

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

    .field input {
      width: 100%;
      min-height: 48px;
      padding: 0 16px;
      border: 1px solid var(--line);
      border-radius: 14px;
      color: var(--text);
      background: rgba(8, 10, 18, 0.78);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .field input:focus {
      border-color: rgba(48, 242, 210, 0.62);
      box-shadow: 0 0 0 4px rgba(48, 242, 210, 0.08);
    }

    .form-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: 16px;
      color: var(--weak);
      font-size: 13px;
    }

    .info-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 22px;
    }

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

    .news-list a {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      min-height: 72px;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.045);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .news-list a:hover {
      transform: translateX(4px);
      border-color: rgba(48, 242, 210, 0.35);
      background: rgba(48, 242, 210, 0.06);
    }

    .news-index {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #061013;
      background: linear-gradient(135deg, var(--primary), var(--lime));
      font-weight: 900;
    }

    .news-title {
      min-width: 0;
    }

    .news-title b {
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 16px;
      letter-spacing: 0;
    }

    .news-title span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 13px;
    }

    .recommend {
      padding: 22px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: var(--panel);
      align-self: start;
    }

    .recommend h3 {
      margin: 0 0 14px;
      font-size: 20px;
      letter-spacing: 0;
    }

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

    .recommend li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .privacy-card {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 22px;
      padding: 26px;
      border: 1px solid rgba(255, 184, 77, 0.22);
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(255, 184, 77, 0.1), transparent 36%),
        var(--panel);
    }

    .privacy-card h2 {
      margin: 0;
      font-size: 30px;
      line-height: 1.2;
      letter-spacing: 0;
    }

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

    .privacy-list li {
      padding: 14px 16px;
      border-radius: 16px;
      color: var(--muted);
      background: rgba(255,255,255,0.05);
      border: 1px solid var(--line);
    }

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

    .scenario {
      position: relative;
      min-height: 220px;
      padding: 20px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: var(--panel);
    }

    .scenario::before {
      counter-increment: step;
      content: "0" counter(step);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 32px;
      border-radius: 12px;
      color: #061013;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--pink));
    }

    .scenario h3 {
      margin: 16px 0 8px;
      font-size: 18px;
      letter-spacing: 0;
    }

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

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

    .case-card {
      display: grid;
      gap: 14px;
      padding: 22px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(168, 85, 247, 0.08), rgba(255,255,255,0.035)), var(--panel);
    }

    .case-card h3 {
      margin: 0;
      font-size: 20px;
      letter-spacing: 0;
    }

    .case-block {
      padding: 12px;
      border-radius: 14px;
      background: rgba(0,0,0,0.18);
      border: 1px solid var(--line);
    }

    .case-block b {
      display: block;
      color: var(--primary);
      font-size: 13px;
      margin-bottom: 4px;
    }

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

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

    .price-card {
      display: flex;
      flex-direction: column;
      min-height: 430px;
      padding: 24px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: var(--panel);
    }

    .price-card.featured {
      border-color: rgba(48, 242, 210, 0.48);
      box-shadow: 0 0 42px rgba(48, 242, 210, 0.13);
      background:
        linear-gradient(145deg, rgba(48, 242, 210, 0.1), rgba(255, 79, 216, 0.08)),
        var(--panel-strong);
    }

    .price-card h3 {
      margin: 14px 0 8px;
      font-size: 22px;
      letter-spacing: 0;
    }

    .price {
      font-size: 34px;
      font-weight: 900;
      color: var(--text);
      line-height: 1.1;
    }

    .price small {
      color: var(--muted);
      font-size: 14px;
      font-weight: 600;
    }

    .price-card p {
      color: var(--muted);
      margin: 12px 0 0;
      font-size: 14px;
    }

    .price-card ul {
      display: grid;
      gap: 10px;
      margin: 20px 0 24px;
      padding: 0;
      list-style: none;
    }

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

    .price-card li::before {
      content: "";
      display: inline-block;
      width: 7px;
      height: 7px;
      margin-right: 8px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 12px rgba(182,255,77,0.4);
    }

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

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

    details {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255,255,255,0.045);
      overflow: hidden;
      transition: border-color .2s ease, background .2s ease;
    }

    details[open] {
      border-color: rgba(48, 242, 210, 0.35);
      background: rgba(48, 242, 210, 0.06);
    }

    summary {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 0 18px;
      font-weight: 800;
      cursor: pointer;
      list-style: none;
    }

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

    summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--primary);
      border: 1px solid rgba(48, 242, 210, 0.28);
      transition: transform .2s ease, color .2s ease;
      flex: 0 0 auto;
    }

    details[open] summary::after {
      transform: rotate(45deg);
      color: var(--pink);
    }

    details p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .cta-banner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
      padding: 28px;
      border-radius: 28px;
      border: 1px solid rgba(48, 242, 210, 0.28);
      background:
        linear-gradient(120deg, rgba(48, 242, 210, 0.16), rgba(255, 79, 216, 0.12), rgba(255, 184, 77, 0.08)),
        var(--panel);
      box-shadow: var(--glow);
    }

    .cta-banner h2 {
      margin: 0 0 8px;
      font-size: 30px;
      line-height: 1.2;
      letter-spacing: 0;
    }

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

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 45;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 18px;
      border-radius: 999px;
      color: #061013;
      background: linear-gradient(135deg, var(--primary), var(--lime));
      font-weight: 900;
      box-shadow: 0 16px 38px rgba(48, 242, 210, 0.28);
    }

    .site-footer {
      padding: 44px 0 30px;
      border-top: 1px solid var(--line);
      background: rgba(5, 6, 11, 0.72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 24px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
    }

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

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

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

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--weak);
      font-size: 13px;
    }

    :focus-visible {
      outline: 3px solid rgba(48, 242, 210, 0.45);
      outline-offset: 3px;
    }

    @media (max-width: 1023px) {
      .container {
        width: min(100% - 48px, var(--container));
      }

      .hero-stage,
      .channel-grid,
      .lead-panel,
      .info-layout,
      .privacy-card {
        grid-template-columns: 1fr;
      }

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

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

      .nav-shell {
        border-radius: 26px;
        align-items: flex-start;
      }

      .menu-toggle {
        display: block;
        flex: 0 0 auto;
      }

      .nav-links,
      .nav-cta {
        display: none;
      }

      .nav-shell.open {
        flex-wrap: wrap;
      }

      .nav-shell.open .nav-links {
        order: 3;
        width: 100%;
        display: grid;
        gap: 8px;
        padding: 10px 0 4px;
      }

      .nav-shell.open .nav-links a {
        justify-content: flex-start;
        width: 100%;
      }

      .nav-shell.open .nav-cta {
        order: 4;
        width: 100%;
        display: inline-flex;
      }
    }

    @media (max-width: 767px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .site-header {
        top: 8px;
        padding: 8px 0;
      }

      .brand span:last-child {
        max-width: 210px;
      }

      .hero {
        padding-top: 42px;
      }

      .hero-stage {
        padding: 18px;
        border-radius: 24px;
      }

      .hero-copy {
        padding: 8px 0;
      }

      .hero-copy p {
        font-size: 15px;
      }

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

      .btn {
        width: 100%;
      }

      .hero-metrics,
      .feature-stack,
      .data-strip,
      .scenario-flow,
      .form-grid {
        grid-template-columns: 1fr;
      }

      section {
        padding: 54px 0;
      }

      .section-head {
        display: grid;
      }

      .paper-cover {
        min-height: 180px;
      }

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

      .news-list .badge {
        grid-column: 2;
        width: fit-content;
      }

      .privacy-card,
      .cta-banner {
        padding: 20px;
      }

      .cta-banner {
        grid-template-columns: 1fr;
      }

      .floating-cta {
        left: 16px;
        right: 16px;
        justify-content: center;
      }
    }

    @media (max-width: 520px) {
      .nav-shell {
        width: min(100% - 20px, 1180px);
        padding-left: 12px;
      }

      .brand span:last-child {
        max-width: 166px;
        font-size: 14px;
      }

      h1 {
        font-size: 32px;
      }

      .paper-cover h2,
      .lead-note h2,
      .privacy-card h2,
      .cta-banner h2 {
        font-size: 24px;
      }

      .floating-cta {
        bottom: 12px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#090A12;
      --bg-2:#10111D;
      --bg-3:#151522;
      --panel:rgba(18,20,34,.92);
      --panel-strong:#171a2b;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(255,255,255,.18);
      --text:#F5F7FA;
      --muted:#A6ADBB;
      --muted-2:#7E8698;
      --cyan:#30F2D2;
      --sky:#28E0FF;
      --violet:#A855F7;
      --pink:#FF4FD8;
      --lime:#B6FF4D;
      --amber:#FFB84D;
      --danger:#FF6C8F;
      --shadow:0 20px 60px rgba(0,0,0,.45);
      --glow:0 0 0 1px rgba(48,242,210,.18), 0 18px 40px rgba(48,242,210,.09);
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --section:84px;
      --line-height:1.7;
      --nav-h:72px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(9,10,18,.97), rgba(9,10,18,.98)),
        linear-gradient(135deg, rgba(48,242,210,.06), transparent 28%),
        linear-gradient(225deg, rgba(168,85,247,.05), transparent 30%);
      line-height:var(--line-height);
      letter-spacing:0;
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:52px 52px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,.14) 78%, transparent);
      opacity:.32;
      z-index:-2;
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;background:none;color:inherit}
    ::selection{background:rgba(48,242,210,.28);color:#fff}

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:70;
      padding:14px 0 10px;
      backdrop-filter:blur(10px);
    }

    .nav-shell{
      width:min(var(--container), calc(100% - 24px));
      margin:0 auto;
      display:flex;
      align-items:center;
      gap:16px;
      padding:12px 16px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(10,12,22,.72);
      box-shadow:0 18px 40px rgba(0,0,0,.26);
      position:relative;
    }

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

    .brand-mark{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(48,242,210,.95), rgba(168,85,247,.9));
      color:#081018;
      font-size:15px;
      font-weight:900;
      box-shadow:0 12px 24px rgba(48,242,210,.22);
      flex:0 0 auto;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
      margin-right:8px;
      flex-wrap:wrap;
      justify-content:center;
    }

    .nav-links a{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      line-height:1;
      border:1px solid transparent;
      transition:all .22s ease;
      white-space:nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:#fff;
      border-color:rgba(48,242,210,.22);
      background:rgba(255,255,255,.04);
      outline:none;
    }

    .nav-links a.active{
      color:#071117;
      background:linear-gradient(135deg, var(--cyan), var(--violet));
      box-shadow:0 12px 24px rgba(48,242,210,.18);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:11px 16px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(48,242,210,.96), rgba(168,85,247,.9));
      color:#071117;
      font-weight:800;
      font-size:14px;
      box-shadow:var(--glow);
      transition:transform .22s ease, box-shadow .22s ease, filter .22s ease;
      white-space:nowrap;
      flex:0 0 auto;
    }

    .nav-cta:hover,
    .nav-cta:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 18px 36px rgba(48,242,210,.18);
      outline:none;
      filter:brightness(1.05);
    }

    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
    }

    .menu-toggle:focus-visible{
      outline:2px solid rgba(48,242,210,.5);
      outline-offset:2px;
    }

    .menu-toggle span{
      position:relative;
      width:18px;
      height:2px;
      border-radius:2px;
      background:#EAF2FF;
      display:block;
      transition:background .2s ease;
    }

    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px;
      height:2px;
      border-radius:2px;
      background:#EAF2FF;
      transition:transform .22s ease, top .22s ease, bottom .22s ease, opacity .22s ease;
    }

    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{bottom:-6px}

    .page{
      padding-bottom:40px;
    }

    .lead-band{
      padding:22px 0 0;
    }

    .lead-frame{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(23,26,43,.94), rgba(12,15,28,.95)),
        linear-gradient(135deg, rgba(48,242,210,.08), transparent 35%);
      box-shadow:var(--shadow);
      padding:30px;
    }

    .lead-frame::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(48,242,210,.12), transparent 22%),
        linear-gradient(315deg, rgba(255,79,216,.10), transparent 26%);
      pointer-events:none;
      opacity:.85;
    }

    .lead-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0, 1.15fr) minmax(320px, .85fr);
      gap:24px;
      align-items:stretch;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(48,242,210,.18);
      background:rgba(48,242,210,.06);
      color:var(--cyan);
      font-size:13px;
      font-weight:700;
      margin-bottom:14px;
    }

    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 6px rgba(182,255,77,.08);
    }

    h1{
      margin:0;
      font-size:clamp(32px, 4.6vw, 56px);
      line-height:1.1;
      letter-spacing:0;
      max-width:12em;
    }

    .lead-copy p{
      margin:16px 0 0;
      max-width:62ch;
      color:var(--muted);
      font-size:17px;
      line-height:1.78;
    }

    .lead-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      font-weight:800;
      font-size:14px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
      cursor:pointer;
      white-space:nowrap;
    }

    .btn-primary{
      color:#071117;
      background:linear-gradient(135deg, var(--cyan), var(--violet));
      box-shadow:0 16px 30px rgba(48,242,210,.18);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 20px 36px rgba(48,242,210,.22);
      outline:none;
    }

    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border:1px solid var(--line-strong);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(48,242,210,.34);
      box-shadow:0 16px 26px rgba(0,0,0,.24);
      outline:none;
    }

    .btn-icon{
      width:18px;
      height:18px;
      display:inline-block;
      flex:0 0 auto;
    }

    .lead-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:18px;
    }

    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
      line-height:1;
      white-space:nowrap;
    }

    .meta-chip strong{
      color:var(--text);
      font-weight:800;
    }

    .status-board{
      display:grid;
      gap:14px;
      align-content:start;
    }

    .status-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(20,22,38,.96), rgba(15,17,28,.96));
      padding:18px;
      box-shadow:0 16px 40px rgba(0,0,0,.3);
    }

    .status-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }

    .status-title strong{
      font-size:16px;
      letter-spacing:0;
    }

    .pulse{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--lime);
      font-size:13px;
      font-weight:700;
    }

    .pulse i{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 7px rgba(182,255,77,.08);
    }

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

    .status-card{
      border:1px solid var(--line);
      border-radius:18px;
      padding:14px;
      background:rgba(255,255,255,.03);
      min-height:112px;
    }

    .status-card .k{
      font-size:13px;
      color:var(--muted);
      margin-bottom:10px;
    }

    .status-card .v{
      font-size:24px;
      font-weight:900;
      line-height:1.05;
      margin-bottom:8px;
    }

    .status-card .s{
      color:var(--muted-2);
      font-size:13px;
      line-height:1.55;
    }

    .status-card .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:12px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      border:1px solid transparent;
    }

    .tag.ok{background:rgba(182,255,77,.10);color:var(--lime);border-color:rgba(182,255,77,.16)}
    .tag.info{background:rgba(48,242,210,.09);color:var(--cyan);border-color:rgba(48,242,210,.16)}
    .tag.warn{background:rgba(255,184,77,.10);color:var(--amber);border-color:rgba(255,184,77,.16)}
    .tag.hot{background:rgba(255,79,216,.10);color:var(--pink);border-color:rgba(255,79,216,.16)}

    .progress{
      margin-top:14px;
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }

    .progress span{
      display:block;
      height:100%;
      width:74%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
      box-shadow:0 0 24px rgba(48,242,210,.18);
    }

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

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:20px;
    }

    .section-head h2{
      margin:0;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.18;
      letter-spacing:0;
    }

    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:58ch;
      font-size:15px;
      line-height:1.7;
    }

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

    .summary-card{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.03);
      padding:18px;
      min-height:176px;
      box-shadow:0 14px 30px rgba(0,0,0,.18);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .summary-card::before{
      content:"";
      position:absolute;
      inset:0 auto auto 0;
      width:100%;
      height:3px;
      background:linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
      opacity:.9;
    }

    .summary-card:hover{
      transform:translateY(-2px);
      border-color:rgba(48,242,210,.25);
      box-shadow:0 18px 36px rgba(0,0,0,.24);
    }

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

    .summary-icon{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(48,242,210,.08);
      border:1px solid rgba(48,242,210,.16);
      color:var(--cyan);
      font-weight:900;
      font-size:16px;
      flex:0 0 auto;
    }

    .summary-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.2;
      letter-spacing:0;
    }

    .summary-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.72;
    }

    .summary-foot{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:14px;
    }

    .small-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      line-height:1;
    }

    .small-badge.ok{color:var(--lime);border-color:rgba(182,255,77,.14);background:rgba(182,255,77,.06)}
    .small-badge.info{color:var(--cyan);border-color:rgba(48,242,210,.14);background:rgba(48,242,210,.06)}
    .small-badge.warn{color:var(--amber);border-color:rgba(255,184,77,.14);background:rgba(255,184,77,.06)}

    .controls{
      margin-top:14px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--panel);
      padding:16px;
      box-shadow:0 14px 34px rgba(0,0,0,.24);
    }

    .controls-row{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:space-between;
    }

    .filters{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }

    .filter-btn{
      min-height:42px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      cursor:pointer;
      transition:all .22s ease;
      white-space:nowrap;
    }

    .filter-btn:hover,
    .filter-btn:focus-visible{
      color:#fff;
      border-color:rgba(48,242,210,.28);
      transform:translateY(-1px);
      outline:none;
    }

    .filter-btn.active{
      color:#071117;
      background:linear-gradient(135deg, var(--cyan), var(--violet));
      border-color:transparent;
      box-shadow:0 12px 24px rgba(48,242,210,.16);
    }

    .search-wrap{
      min-width:min(100%, 320px);
      flex:1 1 320px;
      max-width:420px;
      margin-left:auto;
    }

    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 14px;
      min-height:46px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      transition:border-color .22s ease, box-shadow .22s ease;
    }

    .search-box:focus-within{
      border-color:rgba(48,242,210,.36);
      box-shadow:0 0 0 4px rgba(48,242,210,.08);
    }

    .search-box svg{
      width:18px;
      height:18px;
      color:var(--muted);
      flex:0 0 auto;
    }

    .search-box input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      font-size:14px;
    }

    .search-box input::placeholder{color:#8F96A7}

    .task-list{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:16px;
    }

    .task-card{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:20px;
      background:linear-gradient(180deg, rgba(20,22,36,.95), rgba(15,18,30,.95));
      padding:18px;
      min-height:220px;
      box-shadow:0 16px 36px rgba(0,0,0,.24);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .task-card:hover{
      transform:translateY(-2px);
      border-color:rgba(48,242,210,.26);
      box-shadow:0 20px 42px rgba(0,0,0,.28);
    }

    .task-card::before{
      content:"";
      position:absolute;
      inset:0 auto auto 0;
      width:100%;
      height:3px;
      background:linear-gradient(90deg, rgba(48,242,210,.95), rgba(255,79,216,.95));
    }

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

    .task-top h3{
      margin:0;
      font-size:19px;
      line-height:1.3;
      letter-spacing:0;
      max-width:18ch;
    }

    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
      flex:0 0 auto;
    }

    .status-badge::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:currentColor;
      box-shadow:0 0 0 6px rgba(255,255,255,.06);
    }

    .status-badge.ok{color:var(--lime);background:rgba(182,255,77,.08);border:1px solid rgba(182,255,77,.14)}
    .status-badge.info{color:var(--cyan);background:rgba(48,242,210,.08);border:1px solid rgba(48,242,210,.14)}
    .status-badge.warn{color:var(--amber);background:rgba(255,184,77,.08);border:1px solid rgba(255,184,77,.14)}
    .status-badge.hot{color:var(--pink);background:rgba(255,79,216,.08);border:1px solid rgba(255,79,216,.14)}

    .task-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      min-height:78px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }

    .task-meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:14px;
    }

    .task-meta .small-badge{
      background:rgba(255,255,255,.02);
    }

    .task-footer{
      display:flex;
      align-items:center;
justify-content:space-between; gap:12px; margin-top:16px;
    }

    .task-time{
      color:var(--muted-2);
      font-size:12px;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }

    .task-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--text);
      font-size:13px;
      font-weight:800;
      padding:10px 12px;
      border-radius:999px;
      background:rgba(48,242,210,.08);
      border:1px solid rgba(48,242,210,.15);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
      white-space:nowrap;
    }

    .task-link:hover,
    .task-link:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(48,242,210,.28);
      background:rgba(48,242,210,.12);
      outline:none;
    }

    .note-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
      margin-top:18px;
    }

    .note-card{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.03);
      padding:18px;
      min-height:160px;
    }

    .note-card strong{
      display:block;
      margin-bottom:10px;
      font-size:18px;
      line-height:1.25;
    }

    .note-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.72;
    }

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

    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.03);
      overflow:hidden;
      transition:border-color .22s ease, background .22s ease, box-shadow .22s ease;
    }

    .faq-item[open]{
      background:rgba(255,255,255,.05);
      border-color:rgba(48,242,210,.24);
      box-shadow:0 12px 30px rgba(0,0,0,.2);
    }

    .faq-question{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      cursor:pointer;
      font-weight:800;
      font-size:16px;
      line-height:1.45;
    }

    .faq-question::-webkit-details-marker{display:none}

    .faq-question::after{
      content:"+";
      width:32px;
      height:32px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      border-radius:50%;
      background:rgba(255,255,255,.04);
      color:var(--cyan);
      border:1px solid var(--line);
      transition:transform .22s ease, background .22s ease;
    }

    .faq-item[open] .faq-question::after{
      content:"–";
      transform:rotate(180deg);
      background:rgba(48,242,210,.08);
    }

    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      max-width:78ch;
    }

    .cta-band{
      margin-top:var(--section);
      border-radius:28px;
      border:1px solid rgba(48,242,210,.18);
      background:
        linear-gradient(135deg, rgba(23,26,43,.96), rgba(12,15,28,.96)),
        linear-gradient(135deg, rgba(48,242,210,.12), transparent 35%);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }

    .cta-band::before{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:3px;
      background:linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
    }

    .cta-inner{
      padding:28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
    }

    .cta-inner h2{
      margin:0 0 10px;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.15;
    }

    .cta-inner p{
      margin:0;
      color:var(--muted);
      max-width:60ch;
      font-size:15px;
      line-height:1.74;
    }

    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-left:auto;
    }

    .site-footer{
      padding:42px 0 30px;
      margin-top:26px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(8,9,16,.3), rgba(8,9,16,.92));
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .9fr .9fr;
      gap:24px;
      align-items:start;
    }

    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      margin-bottom:12px;
    }

    .footer-brand .brand-mark{
      width:32px;
      height:32px;
      font-size:14px;
    }

    .site-footer p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      max-width:34ch;
    }

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

    .footer-links strong{
      font-size:15px;
      color:var(--text);
      margin-bottom:4px;
    }

    .footer-links a{
      color:var(--muted);
      font-size:14px;
      line-height:1.5;
      transition:color .2s ease, transform .2s ease;
      width:max-content;
      max-width:100%;
    }

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

    .copyright{
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      font-size:12px;
      line-height:1.7;
    }

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

    @media (max-width: 1080px){
      .lead-grid{
        grid-template-columns:1fr;
      }
      .summary-grid,
      .note-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .task-list{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .footer-grid > div:first-child{
        grid-column:1 / -1;
      }
    }

    @media (max-width: 860px){
      .nav-shell{
        justify-content:space-between;
      }
      .nav-links{
        display:none;
      }
      .nav-cta{
        display:none;
      }
      .menu-toggle{
        display:inline-flex;
      }
      .nav-shell.is-open{
        border-radius:24px;
        flex-wrap:wrap;
      }
      .nav-shell.is-open .nav-links{
        display:flex;
        width:100%;
        order:3;
        margin:8px 0 0;
        padding:8px 0 0;
        border-top:1px solid rgba(255,255,255,.08);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-shell.is-open .nav-links a{
        width:100%;
        text-align:center;
      }
      .nav-shell.is-open .nav-cta{
        display:inline-flex;
        margin-left:auto;
        order:2;
      }
      .cta-inner{
        padding:24px;
      }
    }

    @media (max-width: 640px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .site-header{
        padding-top:10px;
      }
      .nav-shell{
        width:min(var(--container), calc(100% - 16px));
        padding:10px 12px;
      }
      .lead-frame{
        padding:20px;
        border-radius:24px;
      }
      h1{
        max-width:100%;
      }
      .lead-copy p{
        font-size:15px;
      }
      .section{
        padding-top:56px;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .summary-grid,
      .note-grid,
      .status-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .controls{
        padding:14px;
      }
      .controls-row{
        flex-direction:column;
        align-items:stretch;
      }
      .search-wrap{
        max-width:none;
        width:100%;
        flex-basis:100%;
      }
      .filters{
        width:100%;
        overflow:auto;
        padding-bottom:2px;
        scrollbar-width:none;
      }
      .filters::-webkit-scrollbar{display:none}
      .filter-btn{
        flex:0 0 auto;
      }
      .task-card,
      .summary-card,
      .note-card,
      .status-panel,
      .faq-question,
      .faq-answer{
        border-radius:18px;
      }
      .task-top{
        flex-direction:column;
        align-items:flex-start;
      }
      .task-top h3{
        max-width:none;
      }
      .task-footer{
        flex-direction:column;
        align-items:flex-start;
      }
      .cta-inner{
        padding:20px;
      }
      .cta-actions{
        width:100%;
      }
      .cta-actions .btn{
        width:100%;
      }
      .cta-band{
        border-radius:24px;
      }
      .faq-question{
        padding:16px 16px;
        font-size:15px;
      }
      .faq-answer{
        padding:0 16px 16px;
      }
      .site-footer{
        padding:34px 0 26px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #090A12;
      --bg-soft: #10111D;
      --panel: rgba(18, 20, 34, 0.92);
      --panel-strong: rgba(23, 25, 42, 0.96);
      --text: #F5F7FA;
      --muted: #A6ADBB;
      --weak: #71788A;
      --line: rgba(255, 255, 255, 0.12);
      --line-bright: rgba(48, 242, 210, 0.36);
      --primary: #30F2D2;
      --primary-2: #28E0FF;
      --accent: #A855F7;
      --pink: #FF4FD8;
      --lime: #B6FF4D;
      --amber: #FFB84D;
      --danger: #FF6B9C;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
      --glow: 0 0 34px rgba(48, 242, 210, 0.2);
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 14% 8%, rgba(168, 85, 247, 0.22), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(48, 242, 210, 0.14), transparent 34%),
        linear-gradient(180deg, #090A12 0%, #10111D 46%, #090A12 100%);
      line-height: 1.7;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.15));
      opacity: 0.38;
      z-index: -1;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    .container {
      width: min(var(--container), calc(100% - 64px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 18px;
      z-index: 50;
      padding: 16px 0 0;
    }

    .nav-shell {
      width: min(var(--container), calc(100% - 64px));
      margin: 0 auto;
      min-height: 66px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 12px 10px 18px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 999px;
      background: rgba(10, 12, 22, 0.72);
      backdrop-filter: blur(14px);
      box-shadow: 0 18px 60px rgba(0, 0, 0, 0.36);
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      color: #051012;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--lime));
      box-shadow: 0 0 22px rgba(48, 242, 210, 0.42);
      flex: 0 0 auto;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-links a {
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      transition: color .2s ease, background .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(48, 242, 210, 0.12);
      box-shadow: inset 0 0 0 1px rgba(48, 242, 210, 0.24);
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 20px;
      font-size: 14px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, filter .2s ease;
      white-space: nowrap;
    }

    .nav-cta,
    .btn-primary {
      color: #061014;
      background: linear-gradient(135deg, var(--primary), var(--primary-2) 45%, var(--pink));
      box-shadow: 0 12px 32px rgba(48, 242, 210, 0.22);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--line);
    }

    .nav-cta:hover,
    .btn-primary:hover,
    .btn-secondary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(48, 242, 210, 0.28);
      filter: brightness(1.05);
    }

    .btn-secondary:hover {
      border-color: var(--line-bright);
    }

    .nav-cta:focus-visible,
    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .menu-toggle:focus-visible,
    .filter-chip:focus-visible,
    .search-box input:focus-visible,
    .faq-question:focus-visible {
      outline: 3px solid rgba(48, 242, 210, 0.4);
      outline-offset: 3px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      position: relative;
      flex: 0 0 auto;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      position: absolute;
      left: 13px;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--text);
      content: "";
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }

    .menu-toggle span {
      top: 21px;
    }

    .menu-toggle span::before {
      top: -6px;
      left: 0;
    }

    .menu-toggle span::after {
      top: 6px;
      left: 0;
    }

    .nav-shell.open .menu-toggle span {
      transform: rotate(45deg);
    }

    .nav-shell.open .menu-toggle span::before {
      top: 0;
      transform: rotate(90deg);
    }

    .nav-shell.open .menu-toggle span::after {
      top: 0;
      opacity: 0;
    }

    main {
      padding: 64px 0 0;
    }

    .section {
      padding: 72px 0;
      position: relative;
    }

    .category-hero {
      padding: 70px 0 44px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
      gap: 34px;
      align-items: stretch;
    }

    .eyebrow,
    .badge,
    .status-badge,
    .mini-tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.055);
      color: var(--muted);
      font-size: 13px;
      line-height: 1;
      white-space: nowrap;
    }

    .eyebrow {
      padding: 8px 12px;
      margin-bottom: 18px;
    }

    .eyebrow::before,
    .status-dot {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 14px rgba(182, 255, 77, 0.7);
      flex: 0 0 auto;
    }

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

    h1 {
      max-width: 820px;
      margin-bottom: 20px;
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: 0;
    }

    .hero-copy {
      color: var(--muted);
      font-size: 17px;
      max-width: 760px;
      margin-bottom: 26px;
    }

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

    .hero-checks {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 820px;
    }

    .check-card {
      padding: 14px 15px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.045);
      min-height: 82px;
    }

    .check-card strong {
      display: block;
      font-size: 16px;
      margin-bottom: 4px;
    }

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

    .progress-panel,
    .content-panel,
    .task-card,
    .index-card,
    .faq-item,
    .cta-panel {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .progress-panel::before,
    .content-panel::before,
    .task-card::before,
    .index-card::before,
    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--accent), var(--pink), var(--lime));
      opacity: .95;
    }

    .progress-panel {
      padding: 26px;
      min-height: 100%;
    }

    .ring-wrap {
      display: grid;
      grid-template-columns: 150px minmax(0, 1fr);
      gap: 20px;
      align-items: center;
      margin-bottom: 24px;
    }

    .progress-ring {
      width: 148px;
      height: 148px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at center, #111320 55%, transparent 56%),
        conic-gradient(var(--primary) 0 72%, rgba(255,255,255,0.1) 72% 100%);
      box-shadow: inset 0 0 24px rgba(48, 242, 210, 0.12), 0 0 30px rgba(48, 242, 210, 0.18);
    }

    .progress-ring strong {
      font-size: 34px;
      line-height: 1;
    }

    .progress-ring span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      text-align: center;
      margin-top: 4px;
    }

    .ring-note h2 {
      font-size: 23px;
      line-height: 1.3;
      margin-bottom: 8px;
    }

    .ring-note p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 0;
    }

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

    .tier-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .tier-no {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #071015;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--lime));
    }

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

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

    .badge {
      padding: 7px 10px;
      color: var(--text);
      font-weight: 700;
    }

    .badge.ready {
      border-color: rgba(182,255,77,.3);
      color: var(--lime);
    }

    .badge.update {
      border-color: rgba(255,184,77,.3);
      color: var(--amber);
    }

    .badge.focus {
      border-color: rgba(255,79,216,.32);
      color: #FF9AE9;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.75fr) minmax(260px, 0.35fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 26px;
    }

    .section-kicker {
      color: var(--primary);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.22;
      margin-bottom: 10px;
      letter-spacing: 0;
    }

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

    .search-box {
      display: flex;
      gap: 8px;
      padding: 6px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid var(--line);
      min-width: 0;
    }

    .search-box input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      padding: 0 14px;
    }

    .search-box input::placeholder {
      color: var(--weak);
    }

    .search-box button {
      min-width: 84px;
      height: 38px;
      border-radius: 999px;
      color: #061014;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--lime));
    }

    .guide-layout {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 22px;
      align-items: start;
    }

    .guide-index {
      position: sticky;
      top: 104px;
      display: grid;
      gap: 14px;
    }

    .index-card {
      padding: 20px;
    }

    .index-card h2 {
      font-size: 20px;
      margin-bottom: 14px;
    }

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

    .index-links a,
    .filter-chip {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      border-radius: 999px;
      padding: 0 14px;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: transform .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
      white-space: nowrap;
    }

    .index-links a:hover,
    .index-links a.active,
    .filter-chip:hover,
    .filter-chip.active {
      color: var(--text);
      border-color: var(--line-bright);
      background: rgba(48, 242, 210, 0.1);
      transform: translateY(-1px);
    }

    .quick-note {
      padding: 18px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 184, 77, 0.22);
      background: rgba(255, 184, 77, 0.07);
    }

    .quick-note strong {
      display: block;
      color: var(--amber);
      margin-bottom: 6px;
    }

    .quick-note p {
      color: var(--muted);
      margin-bottom: 0;
      font-size: 14px;
    }

    .filter-bar {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }

    .filter-chip {
      justify-content: center;
      font-size: 14px;
      background: rgba(255, 255, 255, 0.035);
    }

    .filter-chip.active {
      color: #061014;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--lime));
      border-color: transparent;
    }

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

    .content-panel {
      padding: 24px;
    }

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

    .panel-head h2 {
      font-size: 24px;
      margin-bottom: 6px;
    }

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

    .status-badge {
      padding: 8px 11px;
      color: var(--lime);
      border-color: rgba(182, 255, 77, 0.28);
      background: rgba(182, 255, 77, 0.06);
      flex: 0 0 auto;
      font-weight: 800;
    }

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

    .task-card {
      padding: 18px;
      border-radius: var(--radius-md);
      box-shadow: none;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

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

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

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

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

    .tag-row {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      align-items: center;
      margin-bottom: 14px;
    }

    .mini-tag {
      padding: 6px 9px;
      font-size: 12px;
    }

    .mini-tag.green {
      color: var(--lime);
      border-color: rgba(182,255,77,.26);
    }

    .mini-tag.cyan {
      color: var(--primary);
      border-color: rgba(48,242,210,.28);
    }

    .mini-tag.pink {
      color: #FF9AE9;
      border-color: rgba(255,79,216,.28);
    }

    .task-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: var(--weak);
      font-size: 13px;
    }

    .task-link {
      color: var(--primary);
      font-weight: 800;
    }

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

    .compare-card {
      min-height: 190px;
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.09);
    }

    .compare-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

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

    .compare-card ul {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .compare-card li {
      display: flex;
      gap: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .compare-card li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 12px rgba(48, 242, 210, .62);
      flex: 0 0 auto;
    }

    .price-strip {
      display: grid;
      grid-template-columns: 1fr 1.1fr 1fr;
      gap: 16px;
    }

    .price-card {
      display: flex;
      flex-direction: column;
      gap: 14px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid var(--line);
      min-height: 286px;
    }

    .price-card.recommend {
      border-color: rgba(48, 242, 210, .42);
      box-shadow: 0 0 38px rgba(48, 242, 210, .12);
      background:
        linear-gradient(180deg, rgba(48,242,210,.08), rgba(255,255,255,.04)),
        rgba(255,255,255,.045);
    }

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

    .price-value {
      font-size: 30px;
      font-weight: 900;
      line-height: 1;
    }

    .price-card p,
    .price-card li {
      color: var(--muted);
      font-size: 14px;
    }

    .price-card ul {
      margin: 0;
      padding-left: 18px;
      display: grid;
      gap: 7px;
    }

    .price-card .btn-secondary,
    .price-card .btn-primary {
      margin-top: auto;
      width: 100%;
    }

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

    .faq-item {
      box-shadow: none;
      border-radius: var(--radius-md);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 17px 18px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 800;
    }

    .faq-icon {
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--primary);
      border: 1px solid rgba(48, 242, 210, 0.24);
      transition: transform .2s ease, background .2s ease;
      flex: 0 0 auto;
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.open {
      border-color: var(--line-bright);
      background: rgba(48, 242, 210, 0.055);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(48, 242, 210, 0.12);
    }

    .cta-panel {
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      background:
        radial-gradient(circle at 8% 50%, rgba(48, 242, 210, .18), transparent 38%),
        radial-gradient(circle at 84% 35%, rgba(255, 79, 216, .16), transparent 34%),
        var(--panel);
    }

    .cta-panel h2 {
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.25;
      margin-bottom: 10px;
    }

    .cta-panel p {
      color: var(--muted);
      margin-bottom: 0;
      max-width: 760px;
    }

    .site-footer {
      padding: 56px 0 28px;
      border-top: 1px solid var(--line);
      background: rgba(5, 6, 12, 0.72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .7fr .7fr;
      gap: 32px;
      margin-bottom: 30px;
    }

    .footer-brand {
      margin-bottom: 12px;
      font-size: 18px;
    }

    .site-footer p {
      color: var(--muted);
      margin: 0;
      max-width: 520px;
    }

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

    .footer-links strong {
      color: var(--text);
      margin-bottom: 4px;
    }

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

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

    .copyright {
      color: var(--weak);
      font-size: 13px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    @media (max-width: 1023px) {
      .container,
      .nav-shell {
        width: min(var(--container), calc(100% - 48px));
      }

      .hero-grid,
      .section-head,
      .guide-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .guide-index {
        position: static;
      }

      .index-links {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .index-links a {
        flex: 0 0 auto;
      }

      .hero-checks,
      .compare-grid,
      .price-strip {
        grid-template-columns: 1fr;
      }

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

      .progress-panel {
        min-height: auto;
      }
    }

    @media (max-width: 767px) {
      .site-header {
        top: 10px;
        padding-top: 10px;
      }

      .container,
      .nav-shell {
        width: calc(100% - 32px);
      }

      .nav-shell {
        min-height: 60px;
        padding: 8px 8px 8px 14px;
        flex-wrap: wrap;
      }

      .brand {
        max-width: calc(100% - 60px);
        font-size: 14px;
      }

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

      .menu-toggle {
        display: block;
      }

      .nav-links,
      .nav-cta {
        display: none;
      }

      .nav-shell.open .nav-links {
        width: 100%;
        display: grid;
        gap: 8px;
        order: 3;
        padding: 10px 0 0;
        background: transparent;
      }

      .nav-shell.open .nav-links a {
        justify-content: flex-start;
        min-height: 46px;
        padding: 0 14px;
        background: rgba(255,255,255,.055);
      }

      .nav-shell.open .nav-cta {
        width: 100%;
        display: flex;
        order: 4;
        margin-top: 8px;
      }

      main {
        padding-top: 38px;
      }

      .section {
        padding: 52px 0;
      }

      .category-hero {
        padding: 46px 0 28px;
      }

      h1 {
        font-size: 34px;
      }

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

      .hero-actions {
        display: grid;
      }

      .hero-actions a,
      .cta-panel a {
        width: 100%;
      }

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

      .progress-ring {
        margin: 0 auto;
      }

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

      .tier-item .badge {
        grid-column: 1 / -1;
        justify-self: start;
      }

      .section-head {
        gap: 16px;
      }

      .search-box {
        border-radius: 18px;
        display: grid;
      }

      .search-box input {
        min-height: 42px;
      }

      .search-box button {
        width: 100%;
      }

      .panel-head {
        display: grid;
      }

      .filter-bar {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
      }

      .filter-chip {
        flex: 0 0 auto;
      }

      .content-panel,
      .progress-panel,
      .cta-panel {
        padding: 20px;
      }

      .task-meta {
        align-items: flex-start;
        flex-direction: column;
      }

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

    @media (max-width: 520px) {
      .brand-mark {
        width: 30px;
        height: 30px;
      }

      h1 {
        font-size: 31px;
      }

      .section-title {
        font-size: 25px;
      }

      .check-card,
      .task-card,
      .compare-card,
      .price-card {
        padding: 16px;
      }

      .nav-shell {
        border-radius: 26px;
      }
    }