/* roulang page: index */
:root {
      --bg: #090b10;
      --bg-soft: #11151f;
      --panel: rgba(255,255,255,.075);
      --panel-strong: rgba(255,255,255,.12);
      --text: #f8fafc;
      --muted: #a7b0c0;
      --weak: #788397;
      --line: rgba(255,255,255,.14);
      --brand: #ffcf5a;
      --brand-2: #3dd6b8;
      --accent: #ff6b6b;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0,0,0,.42);
      --shadow-soft: 0 14px 44px rgba(0,0,0,.24);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background:
        radial-gradient(circle at 12% 8%, rgba(61,214,184,.18), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(255,207,90,.16), transparent 28%),
        linear-gradient(180deg, #090b10 0%, #0d1018 42%, #090b10 100%);
      color: var(--text);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      min-height: 100vh;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
    }

    button,
    input {
      font: inherit;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(9, 11, 16, .82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #101215;
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow: 0 12px 36px rgba(255,207,90,.24);
      flex: 0 0 auto;
    }

    .brand-text {
      max-width: 360px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      border-radius: 999px;
    }

    .nav-links a {
      padding: 10px 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-links a:hover,
    .nav-links a.active {
      background: rgba(255,255,255,.12);
      color: var(--text);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      background: var(--brand);
      color: #16120a;
      font-size: 14px;
      font-weight: 900;
      box-shadow: 0 14px 34px rgba(255,207,90,.22);
    }

    .nav-action:hover {
      transform: translateY(-1px);
      background: #ffe08a;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255,255,255,.08);
      color: var(--text);
      cursor: pointer;
    }

    .hero {
      padding: 58px 0 34px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(255,207,90,.16), transparent 36%),
        linear-gradient(225deg, rgba(61,214,184,.14), transparent 34%),
        rgba(255,255,255,.065);
      box-shadow: var(--shadow);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 0;
      min-height: 520px;
    }

    .hero-copy {
      padding: clamp(34px, 6vw, 72px);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 12px;
      border: 1px solid rgba(255,207,90,.34);
      border-radius: 999px;
      background: rgba(255,207,90,.12);
      color: #ffe3a3;
      font-size: 13px;
      font-weight: 800;
    }

    h1 {
      margin: 20px 0 18px;
      max-width: 840px;
      font-size: clamp(34px, 6vw, 68px);
      line-height: 1.04;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 680px;
      color: #d7deea;
      font-size: clamp(16px, 2vw, 19px);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      border: 1px solid transparent;
      cursor: pointer;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .btn:focus-visible,
    .nav-links a:focus-visible,
    .nav-action:focus-visible,
    .menu-toggle:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(61,214,184,.45);
      outline-offset: 3px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--brand), #fff0b8);
      color: #17120a;
      box-shadow: 0 16px 42px rgba(255,207,90,.23);
    }

    .btn-secondary {
      background: rgba(255,255,255,.08);
      border-color: var(--line);
      color: var(--text);
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(0,0,0,.25);
    }

    .hero-panel {
      padding: clamp(24px, 4vw, 48px);
      border-left: 1px solid var(--line);
      background: rgba(0,0,0,.16);
      display: grid;
      align-content: center;
      gap: 16px;
    }

    .demo-board {
      display: grid;
      gap: 14px;
    }

    .demo-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.09);
      border: 1px solid var(--line);
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--brand-2);
      box-shadow: 0 0 0 7px rgba(61,214,184,.12);
    }

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

    .tool-card {
      min-height: 148px;
      padding: 18px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.08);
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }

    .tool-card:hover {
      transform: scale(1.025);
      background: rgba(255,255,255,.12);
      border-color: rgba(255,207,90,.42);
    }

    .tool-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(61,214,184,.14);
      color: #9ff8e8;
      margin-bottom: 18px;
    }

    .section {
      padding: 58px 0;
    }

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

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 660px;
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 16px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 11px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.07);
      color: #dfe6f2;
      font-size: 13px;
      font-weight: 800;
    }

    .app-shell {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 18px;
      align-items: stretch;
    }

    .screen-card,
    .content-card,
    .info-card,
    .faq-item,
    .price-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
    }

    .screen-card {
      padding: 22px;
      min-height: 420px;
    }

    .search-box {
      display: flex;
      gap: 10px;
      padding: 10px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid var(--line);
      margin: 18px 0;
    }

    .search-box input {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      padding: 0 8px;
    }

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

    .rail {
      display: flex;
      gap: 14px;
      overflow-x: auto;
      padding: 4px 2px 12px;
      scrollbar-width: thin;
      scrollbar-color: rgba(255,255,255,.24) transparent;
    }

    .rail-card {
      flex: 0 0 220px;
      min-height: 250px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
      transition: transform .2s ease, border-color .2s ease;
    }

    .rail-card:hover {
      transform: translateY(-5px) scale(1.02);
      border-color: rgba(255,207,90,.42);
    }

    .cover-block {
      height: 116px;
      background:
        linear-gradient(135deg, rgba(255,207,90,.36), transparent),
        linear-gradient(225deg, rgba(61,214,184,.24), transparent),
        #171b25;
    }

    .rail-card .body {
      padding: 16px;
    }

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

    .check-list {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .check-item {
      display: flex;
      gap: 12px;
      padding: 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(255,255,255,.1);
    }

    .check {
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(61,214,184,.16);
      color: #86f6e0;
      font-weight: 900;
    }

    .content-card,
    .info-card {
      padding: 22px;
    }

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

    .metric {
      padding: 20px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.07);
    }

    .metric strong {
      display: block;
      color: var(--brand);
      font-size: 30px;
      line-height: 1;
      margin-bottom: 8px;
    }

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

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

    .vertical-card {
      min-height: 310px;
      display: flex;
      flex-direction: column;
      justify-content: end;
      padding: 18px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, transparent 0%, rgba(0,0,0,.72) 74%),
        linear-gradient(135deg, rgba(255,207,90,.24), rgba(61,214,184,.14)),
        #171b25;
      transition: transform .2s ease, border-color .2s ease;
    }

    .vertical-card:hover {
      transform: translateY(-6px) scale(1.015);
      border-color: rgba(255,207,90,.44);
    }

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

    .price-card {
      padding: 22px;
      position: relative;
      overflow: hidden;
    }

    .price-card.recommended {
      border-color: rgba(255,207,90,.55);
      background: linear-gradient(180deg, rgba(255,207,90,.14), rgba(255,255,255,.075));
    }

    .news-wrap {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }

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

    .news-link {
      display: grid;
      grid-template-columns: 110px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.065);
    }

    .news-link:hover {
      background: rgba(255,255,255,.1);
      transform: translateX(4px);
    }

    .tag {
      display: inline-flex;
      width: fit-content;
      padding: 5px 9px;
      border-radius: 999px;
      background: rgba(61,214,184,.13);
      color: #9ff8e8;
      font-size: 12px;
      font-weight: 800;
    }

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

    .faq-item {
      padding: 22px;
    }

    .faq-item h3,
    .content-card h3,
    .info-card h3,
    .price-card h3,
    .tool-card h3,
    .vertical-card h3,
    .rail-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.35;
      font-weight: 900;
    }

    .faq-item p,
    .content-card p,
    .info-card p,
    .price-card p,
    .tool-card p,
    .vertical-card p,
    .rail-card p,
    .metric span,
    .check-item p,
    .news-link p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .cta-band {
      padding: clamp(28px, 5vw, 48px);
      border-radius: 28px;
      border: 1px solid rgba(255,207,90,.35);
      background:
        linear-gradient(135deg, rgba(255,207,90,.2), transparent 42%),
        rgba(255,255,255,.075);
      box-shadow: var(--shadow-soft);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
    }

    .site-footer {
      padding: 40px 0 30px;
      border-top: 1px solid var(--line);
      background: rgba(0,0,0,.2);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 26px;
      align-items: start;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
    }

    .footer-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
    }

    .footer-links a:hover {
      color: var(--text);
      background: rgba(255,255,255,.1);
    }

    @media (max-width: 1024px) {
      .brand-text {
        max-width: 270px;
      }

      .hero-grid,
      .app-shell,
      .service-grid,
      .news-wrap {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        border-left: 0;
        border-top: 1px solid var(--line);
      }

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

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

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

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

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

      .site-header.open .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: 84px;
        display: grid;
        border-radius: 22px;
        padding: 12px;
        background: rgba(13,16,24,.98);
        box-shadow: var(--shadow);
      }

      .site-header.open .nav-action {
        position: absolute;
        left: 26px;
        right: 26px;
        top: 194px;
        display: inline-flex;
      }

      .brand-text {
        max-width: 210px;
      }

      .hero {
        padding-top: 30px;
      }

      .hero-copy,
      .hero-panel {
        padding: 26px;
      }

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

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

      .cta-band {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .nav-wrap {
        min-height: 68px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
      }

      .brand-text {
        max-width: 170px;
        font-size: 14px;
      }

      h1 {
        font-size: 32px;
      }

      .hero-actions,
      .search-box {
        display: grid;
      }

      .btn {
        width: 100%;
      }

      .metrics,
      .vertical-feed {
        grid-template-columns: 1fr;
      }

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

      .section {
        padding: 42px 0;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #090b10;
      --panel: #121621;
      --panel-strong: #191f2e;
      --panel-soft: rgba(255,255,255,.06);
      --text: #f7fafc;
      --muted: #a8b3c7;
      --weak: #6f7b90;
      --line: rgba(255,255,255,.12);
      --primary: #ff3d71;
      --primary-2: #ffb000;
      --accent: #22d3ee;
      --good: #35d07f;
      --danger: #fb7185;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0,0,0,.35);
      --shadow-soft: 0 14px 36px rgba(0,0,0,.22);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 15% 8%, rgba(255,61,113,.20), transparent 34%),
        radial-gradient(circle at 82% 14%, rgba(34,211,238,.12), transparent 30%),
        linear-gradient(180deg, #080a0f 0%, #10131d 48%, #090b10 100%);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
      min-height: 100vh;
      overflow-x: hidden;
    }

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    ::selection {
      background: rgba(255,61,113,.35);
      color: #fff;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(9,11,16,.78);
      backdrop-filter: blur(20px);
      box-shadow: 0 10px 30px rgba(0,0,0,.18);
    }

    .header-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 76px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      display: grid;
      place-items: center;
      width: 40px;
      height: 40px;
      flex: 0 0 auto;
      border-radius: 13px;
      color: #090b10;
      background: linear-gradient(135deg, var(--primary-2), var(--primary));
      box-shadow: 0 10px 28px rgba(255,61,113,.28);
      font-size: 20px;
      font-weight: 900;
    }

    .brand-text {
      display: block;
      max-width: 330px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 17px;
    }

    .nav-shell {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 7px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,.05);
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255,255,255,.08);
      transform: translateY(-1px);
    }

    .nav-links a.active {
      color: #10131d;
      background: linear-gradient(135deg, var(--primary-2), var(--primary));
      box-shadow: 0 10px 24px rgba(255,61,113,.25);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 0 17px;
      border-radius: 999px;
      color: #0b0e14;
      background: #fff;
      font-size: 14px;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      box-shadow: 0 12px 30px rgba(255,255,255,.12);
    }

    .header-cta:hover {
      transform: translateY(-2px);
      background: #f8fafc;
      box-shadow: 0 18px 40px rgba(255,255,255,.16);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255,255,255,.06);
      color: #fff;
      cursor: pointer;
      transition: background .2s ease, transform .2s ease;
    }

    .menu-toggle:hover {
      background: rgba(255,255,255,.1);
      transform: translateY(-1px);
    }

    .hero {
      position: relative;
      isolation: isolate;
      min-height: 620px;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      background:
        linear-gradient(90deg, rgba(9,11,16,.92) 0%, rgba(9,11,16,.70) 48%, rgba(9,11,16,.96) 100%),
        url("https://images.unsplash.com/photo-1516321497487-e288fb19713f?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
      filter: saturate(1.05) contrast(1.02);
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 150px;
      z-index: -1;
      background: linear-gradient(0deg, var(--bg), transparent);
    }

    .hero-wrap {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .62fr);
      gap: 34px;
      align-items: center;
      padding: 86px 0 64px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      padding: 8px 13px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 999px;
      color: #fff;
      background: rgba(255,255,255,.08);
      backdrop-filter: blur(12px);
      font-size: 13px;
      font-weight: 800;
    }

    .pulse-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--good);
      box-shadow: 0 0 0 7px rgba(53,208,127,.12);
    }

    .hero h1 {
      max-width: 860px;
      margin: 22px 0 18px;
      font-size: clamp(38px, 6vw, 74px);
      line-height: 1.04;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 760px;
      color: #d6ddeb;
      font-size: clamp(17px, 2vw, 21px);
      line-height: 1.85;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 52px;
      padding: 0 22px;
      border: 0;
      border-radius: 999px;
      cursor: pointer;
      font-size: 15px;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .btn:focus-visible,
    .nav-links a:focus-visible,
    .header-cta:focus-visible,
    .footer-links a:focus-visible,
    .track-card:focus-visible {
      outline: 3px solid rgba(34,211,238,.65);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #111318;
      background: linear-gradient(135deg, var(--primary-2), var(--primary));
      box-shadow: 0 18px 42px rgba(255,61,113,.26);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 24px 54px rgba(255,61,113,.34);
    }

    .btn-ghost {
      color: #fff;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.08);
      backdrop-filter: blur(12px);
    }

    .btn-ghost:hover {
      transform: translateY(-3px);
      border-color: rgba(255,255,255,.34);
      background: rgba(255,255,255,.12);
    }

    .countdown-bar {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 18px;
      align-items: center;
      margin-top: 34px;
      max-width: 790px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,.15);
      border-radius: var(--radius);
      background: rgba(9,11,16,.60);
      backdrop-filter: blur(16px);
      box-shadow: var(--shadow-soft);
    }

    .countdown-label {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 16px;
      border-radius: 15px;
      color: #10131d;
      background: #fff;
      font-size: 14px;
      font-weight: 950;
      white-space: nowrap;
    }

    .time-boxes {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
    }

    .time-box {
      padding: 10px 8px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 15px;
      background: rgba(255,255,255,.07);
      text-align: center;
    }

    .time-box strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
    }

    .time-box span {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .hero-panel {
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 28px;
      background: linear-gradient(180deg, rgba(25,31,46,.92), rgba(18,22,33,.82));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .panel-top {
      padding: 22px;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.04);
    }

    .status-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 0 11px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 999px;
      color: #f8fafc;
      background: rgba(255,255,255,.07);
      font-size: 12px;
      font-weight: 850;
      white-space: nowrap;
    }

    .badge.hot {
      color: #130f0c;
      border: 0;
      background: linear-gradient(135deg, var(--primary-2), #ffe08a);
    }

    .panel-title {
      margin: 0;
      font-size: 24px;
      line-height: 1.25;
      font-weight: 950;
    }

    .panel-text {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .checklist {
      display: grid;
      gap: 12px;
      padding: 20px 22px 24px;
    }

    .check-item {
      display: grid;
      grid-template-columns: 36px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border: 1px solid var(--line);
      border-radius: 17px;
      background: rgba(255,255,255,.045);
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }

    .check-item:hover {
      transform: translateY(-2px);
      border-color: rgba(255,255,255,.20);
      background: rgba(255,255,255,.07);
    }

    .check-icon {
      display: grid;
      place-items: center;
      width: 36px;
      height: 36px;
      border-radius: 13px;
      color: #10131d;
      background: var(--good);
      font-weight: 950;
    }

    .check-item h3 {
      margin: 0;
      font-size: 15px;
      font-weight: 900;
    }

    .check-item p {
      margin: 2px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding-top: 34px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .86fr) minmax(260px, .4fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--primary-2);
      font-size: 13px;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-title {
      margin: 8px 0 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.15;
      font-weight: 950;
      letter-spacing: 0;
    }

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

    .activity-grid {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(320px, .55fr);
      gap: 22px;
    }

    .feature-board {
      position: relative;
      min-height: 430px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 28px;
      background:
        linear-gradient(180deg, rgba(18,22,33,.35), rgba(18,22,33,.96)),
        url("https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
      box-shadow: var(--shadow-soft);
    }

    .feature-board-content {
      position: absolute;
      inset: auto 0 0;
      padding: 28px;
      background: linear-gradient(0deg, rgba(9,11,16,.95), rgba(9,11,16,.40), transparent);
    }

    .feature-board h2 {
      margin: 12px 0 10px;
      max-width: 720px;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.18;
      font-weight: 950;
    }

    .feature-board p {
      max-width: 690px;
      margin: 0;
      color: #d1d8e8;
    }

    .rule-stack {
      display: grid;
      gap: 14px;
    }

    .rule-card {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
      box-shadow: var(--shadow-soft);
    }

    .rule-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
      font-weight: 950;
    }

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

    .track-wrap {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 28px;
      background: rgba(255,255,255,.04);
      box-shadow: var(--shadow-soft);
    }

    .track-toolbar {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
    }

    .track-toolbar h2 {
      margin: 0;
      font-size: 22px;
      font-weight: 950;
    }

    .track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 31%);
      gap: 16px;
      overflow-x: auto;
      padding: 20px;
      scroll-snap-type: x mandatory;
      scrollbar-width: thin;
      scrollbar-color: rgba(255,255,255,.25) transparent;
    }

    .track-card {
      position: relative;
      min-height: 300px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 22px;
      background: var(--panel);
      scroll-snap-align: start;
      transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }

    .track-card:hover {
      transform: scale(1.035);
      border-color: rgba(255,176,0,.55);
      box-shadow: 0 28px 62px rgba(0,0,0,.40);
    }

    .track-card .cover {
      height: 150px;
      background:
        linear-gradient(180deg, transparent, rgba(9,11,16,.38)),
        var(--cover, linear-gradient(135deg, #1f2937, #111827));
    }

    .track-card-body {
      padding: 18px;
    }

    .track-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      font-weight: 950;
    }

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

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

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      color: #dce4f3;
      background: rgba(255,255,255,.07);
      font-size: 12px;
      font-weight: 800;
    }

    .reward-layout {
      display: grid;
      grid-template-columns: minmax(280px, .45fr) minmax(0, 1fr);
      gap: 22px;
      align-items: stretch;
    }

    .score-card {
      padding: 26px;
      border: 1px solid rgba(255,176,0,.28);
      border-radius: 28px;
      background:
        linear-gradient(145deg, rgba(255,176,0,.16), rgba(255,61,113,.08)),
        rgba(255,255,255,.04);
      box-shadow: var(--shadow-soft);
    }

    .score-card .num {
      display: block;
      margin: 12px 0 4px;
      font-size: clamp(52px, 7vw, 82px);
      line-height: 1;
      font-weight: 950;
      color: #fff;
    }

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

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

    .reward-card {
      min-height: 190px;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(255,255,255,.05);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .reward-card:hover {
      transform: translateY(-4px);
      border-color: rgba(34,211,238,.38);
      background: rgba(255,255,255,.075);
    }

    .reward-icon {
      display: grid;
      place-items: center;
      width: 44px;
      height: 44px;
      margin-bottom: 16px;
      border-radius: 15px;
      color: #091016;
      background: var(--accent);
      font-weight: 950;
    }

    .reward-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 950;
    }

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

    .progress-panel {
      display: grid;
      grid-template-columns: minmax(0, .55fr) minmax(0, .45fr);
      gap: 22px;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 30px;
      background: linear-gradient(180deg, rgba(25,31,46,.88), rgba(18,22,33,.72));
      box-shadow: var(--shadow-soft);
    }

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

    .step {
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 14px;
      align-items: start;
      padding: 15px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: 20px;
      background: rgba(255,255,255,.045);
    }

    .step-num {
      display: grid;
      place-items: center;
      width: 48px;
      height: 48px;
      border-radius: 16px;
      color: #111318;
      background: #fff;
      font-weight: 950;
    }

    .step h3 {
      margin: 0 0 4px;
      font-size: 17px;
      font-weight: 950;
    }

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

    .meter-box {
      padding: 22px;
      border-radius: 24px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      border: 1px solid rgba(255,255,255,.10);
    }

    .meter-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin: 16px 0 8px;
      font-weight: 900;
    }

    .meter {
      height: 12px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(255,255,255,.10);
    }

    .meter span {
      display: block;
      width: 72%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary-2), var(--primary), var(--accent));
    }

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

    .note-list li {
      position: relative;
      padding-left: 22px;
      color: var(--muted);
      font-size: 14px;
    }

    .note-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .75em;
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--primary-2);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: minmax(260px, .38fr) minmax(0, .62fr);
      gap: 24px;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255,255,255,.05);
      overflow: hidden;
    }

    .faq-item summary {
      cursor: pointer;
      padding: 18px 20px;
      font-size: 16px;
      font-weight: 950;
      list-style: none;
      transition: background .2s ease;
    }

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

    .faq-item summary:hover {
      background: rgba(255,255,255,.06);
    }

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

    .report-card {
      padding: 24px;
      border: 1px solid rgba(251,113,133,.28);
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(251,113,133,.14), rgba(34,211,238,.05)),
        rgba(255,255,255,.04);
    }

    .report-card h2 {
      margin: 0 0 10px;
      font-size: 28px;
      font-weight: 950;
    }

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

    .report-form {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .input,
    .textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 16px;
      color: #fff;
      background: rgba(255,255,255,.06);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .input {
      min-height: 48px;
      padding: 0 14px;
    }

    .textarea {
      min-height: 118px;
      resize: vertical;
      padding: 13px 14px;
    }

    .input::placeholder,
    .textarea::placeholder {
      color: #768197;
    }

    .input:focus,
    .textarea:focus {
      border-color: rgba(34,211,238,.55);
      box-shadow: 0 0 0 4px rgba(34,211,238,.12);
      background: rgba(255,255,255,.08);
    }

    .cta {
      padding: 52px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(255,61,113,.22), rgba(255,176,0,.13) 45%, rgba(34,211,238,.13)),
        rgba(255,255,255,.04);
      box-shadow: var(--shadow);
    }

    .cta-inner {
      display: grid;
      grid-template-columns: minmax(0, .72fr) auto;
      gap: 24px;
      align-items: center;
    }

    .cta h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.15;
      font-weight: 950;
    }

    .cta p {
      margin: 0;
      color: #d9e0ee;
      font-size: 17px;
    }

    .site-footer {
      padding: 46px 0;
      border-top: 1px solid var(--line);
      background: #07090d;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: start;
    }

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

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
      font-weight: 750;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(-2px);
    }

    @media (max-width: 1024px) {
      .brand-text {
        max-width: 250px;
      }

      .header-cta {
        display: none;
      }

      .hero-wrap,
      .activity-grid,
      .progress-panel,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hero {
        min-height: auto;
      }

      .hero-panel {
        max-width: 620px;
      }

      .track {
        grid-auto-columns: minmax(250px, 42%);
      }

      .reward-layout {
        grid-template-columns: 1fr;
      }
    }

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

      .header-row {
        min-height: 68px;
      }

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

      .nav-shell {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 10px);
        display: none;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: rgba(9,11,16,.96);
        box-shadow: var(--shadow);
      }

      .site-header.open .nav-shell {
        display: block;
      }

      .nav-links {
        display: grid;
        border-radius: 16px;
        background: transparent;
      }

      .nav-links a {
        justify-content: flex-start;
        border-radius: 13px;
      }

      .hero-wrap {
        padding: 54px 0 44px;
      }

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

      .countdown-label {
        justify-content: flex-start;
      }

      .section {
        padding: 58px 0;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .track {
        grid-auto-columns: minmax(238px, 76%);
      }

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

      .cta {
        padding: 32px 22px;
        border-radius: 26px;
      }

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

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

      .footer-links {
        justify-items: start;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 36px;
        height: 36px;
      }

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

      .hero h1 {
        font-size: 36px;
      }

      .hero-actions,
      .time-boxes {
        grid-template-columns: 1fr;
      }

      .btn {
        width: 100%;
      }

      .time-boxes {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
      }

      .feature-board {
        min-height: 390px;
      }

      .feature-board-content {
        padding: 22px;
      }

      .check-item {
        grid-template-columns: 36px 1fr;
      }

      .check-item .badge {
        grid-column: 2;
        width: fit-content;
      }

      .track-toolbar {
        align-items: flex-start;
        flex-direction: column;
      }

      .progress-panel {
        padding: 16px;
      }
    }