/* roulang page: index */
:root {
      --bg: #101111;
      --bg-soft: #171918;
      --panel: #202320;
      --panel-2: #f7f4ee;
      --paper: #fffdf8;
      --text: #f2f0e9;
      --text-dark: #1d211e;
      --muted: #a8aaa3;
      --muted-dark: #62665f;
      --line: rgba(255,255,255,.12);
      --line-dark: rgba(29,33,30,.12);
      --brand: #e6ff58;
      --accent: #ff7557;
      --cyan: #61d6c8;
      --violet: #a78bfa;
      --success: #8ee66b;
      --warning: #ffd166;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 18px 44px rgba(0,0,0,.28);
      --shadow-light: 0 14px 36px rgba(29,33,30,.08);
      --side: 292px;
      --side-collapsed: 88px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      background:
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 42px 42px,
        linear-gradient(0deg, rgba(255,255,255,.025) 1px, transparent 1px) 0 0 / 42px 42px,
        var(--bg);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.75;
      letter-spacing: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    .site-shell {
      min-height: 100vh;
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      z-index: 50;
      width: var(--side);
      background: rgba(17,18,17,.96);
      border-right: 1px solid var(--line);
      backdrop-filter: blur(18px);
      display: flex;
      flex-direction: column;
      padding: 22px 18px;
      transition: width var(--ease);
    }

    .side-nav.is-collapsed {
      width: var(--side-collapsed);
    }

    .brand-block {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 8px 8px 20px;
      border-bottom: 1px solid var(--line);
      min-height: 70px;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      flex: 0 0 40px;
      display: grid;
      place-items: center;
      border-radius: var(--radius);
      background: var(--brand);
      color: #111;
      font-weight: 900;
      box-shadow: 0 0 0 1px rgba(230,255,88,.28);
    }

    .brand-text {
      overflow: hidden;
      white-space: nowrap;
    }

    .brand-name {
      display: block;
      font-size: 16px;
      font-weight: 800;
      line-height: 1.3;
    }

    .brand-note {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
    }

    .nav-toggle {
      position: absolute;
      top: 24px;
      right: -15px;
      width: 30px;
      height: 30px;
      border: 1px solid var(--line);
      border-radius: 50%;
      background: var(--panel);
      color: var(--text);
      display: grid;
      place-items: center;
      line-height: 1;
    }

    .nav-toggle:hover,
    .nav-toggle:focus {
      background: var(--brand);
      color: #111;
      outline: none;
    }

    .nav-group {
      padding: 20px 0;
      border-bottom: 1px solid var(--line);
    }

    .nav-label {
      margin: 0 8px 10px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .side-link {
      display: flex;
      align-items: center;
      gap: 11px;
      min-height: 44px;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      color: #d8dad3;
      font-size: 14px;
      font-weight: 700;
      margin: 4px 0;
      border: 1px solid transparent;
    }

    .side-link .nav-icon {
      width: 22px;
      flex: 0 0 22px;
      text-align: center;
      color: var(--brand);
    }

    .side-link:hover,
    .side-link:focus,
    .side-link.active {
      background: rgba(230,255,88,.1);
      border-color: rgba(230,255,88,.28);
      color: #fff;
      outline: none;
    }

    .side-nav.is-collapsed .brand-text,
    .side-nav.is-collapsed .nav-label,
    .side-nav.is-collapsed .link-text,
    .side-nav.is-collapsed .side-cta,
    .side-nav.is-collapsed .nav-foot {
      display: none;
    }

    .side-nav.is-collapsed .side-link {
      justify-content: center;
      padding: 10px 8px;
    }

    .side-cta {
      margin-top: auto;
      padding: 14px;
      border: 1px solid rgba(230,255,88,.25);
      border-radius: var(--radius);
      background: rgba(230,255,88,.07);
    }

    .side-cta strong {
      display: block;
      margin-bottom: 6px;
      font-size: 14px;
    }

    .side-cta p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }

    .nav-foot {
      padding: 14px 8px 0;
      color: var(--muted);
      font-size: 12px;
    }

    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(17,18,17,.96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(16px);
      padding: 12px 14px;
    }

    .mobile-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

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

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

    .mobile-menu-button {
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: var(--panel);
      color: var(--text);
      padding: 8px 12px;
      font-weight: 800;
    }

    .mobile-menu-button:hover,
    .mobile-menu-button:focus {
      background: var(--brand);
      color: #111;
      outline: none;
    }

    .mobile-menu {
      display: none;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
      margin-top: 12px;
    }

    .mobile-topbar.is-open .mobile-menu {
      display: grid;
    }

    .mobile-menu a {
      text-align: center;
      padding: 9px 8px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: #e8e9e4;
      font-size: 13px;
      font-weight: 700;
      background: rgba(255,255,255,.04);
    }

    .mobile-menu a.active,
    .mobile-menu a:hover {
      border-color: rgba(230,255,88,.35);
      background: rgba(230,255,88,.1);
    }

    .main-content {
      margin-left: var(--side);
      transition: margin-left var(--ease);
    }

    body.nav-collapsed .main-content {
      margin-left: var(--side-collapsed);
    }

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

    .container-wide {
      width: min(1160px, calc(100% - 48px));
      margin: 0 auto;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--brand);
      font-size: 13px;
      font-weight: 800;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--brand);
      border-radius: 999px;
    }

    .section-title {
      margin: 0;
      max-width: 780px;
      color: var(--text);
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.18;
      font-weight: 900;
    }

    .section-desc {
      margin: 18px 0 0;
      max-width: 820px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.9;
    }

    .hero {
      min-height: 92vh;
      padding: 44px 0 74px;
      display: flex;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(230,255,88,.12), transparent 32%),
        linear-gradient(180deg, rgba(255,117,87,.08), transparent 46%);
      border-bottom: 1px solid var(--line);
    }

    .hero-stage {
      display: grid;
      grid-template-columns: minmax(0, 1.06fr) minmax(360px, .94fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 28px 0;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 22px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      color: #eceee8;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .badge.is-hot {
      color: #161711;
      background: var(--brand);
      border-color: var(--brand);
    }

    .badge.is-coral {
      border-color: rgba(255,117,87,.35);
      color: #ffd1c6;
      background: rgba(255,117,87,.1);
    }

    h1 {
      margin: 0;
      color: #fff;
      font-size: clamp(38px, 6vw, 72px);
      line-height: 1.06;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-lead {
      margin: 22px 0 0;
      max-width: 760px;
      color: #cbcec6;
      font-size: 18px;
      line-height: 1.95;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .button-pro {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1.2;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
    }

    .button-pro.primary {
      background: var(--brand);
      color: #101111;
      box-shadow: 0 12px 24px rgba(230,255,88,.16);
    }

    .button-pro.secondary {
      background: rgba(255,255,255,.06);
      border-color: var(--line);
      color: var(--text);
    }

    .button-pro.ghost {
      background: transparent;
      border-color: rgba(97,214,200,.45);
      color: #bcfff6;
    }

    .button-pro:hover,
    .button-pro:focus {
      transform: translateY(-2px);
      outline: none;
      box-shadow: 0 14px 26px rgba(0,0,0,.22);
    }

    .button-pro.primary:hover,
    .button-pro.primary:focus {
      background: #f0ff7a;
    }

    .hero-proof {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 28px;
      max-width: 720px;
    }

    .proof-item {
      padding: 13px 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.045);
    }

    .proof-item strong {
      display: block;
      color: #fff;
      font-size: 20px;
      line-height: 1.2;
    }

    .proof-item span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 12px;
    }

    .apply-panel {
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background: #161816;
      box-shadow: var(--shadow);
      overflow: hidden;
      min-height: 520px;
      display: flex;
      flex-direction: column;
    }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 16px 18px;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .window-dots {
      display: flex;
      gap: 7px;
    }

    .window-dots i {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      display: block;
    }

    .window-dots i:nth-child(1) { background: var(--accent); }
    .window-dots i:nth-child(2) { background: var(--warning); }
    .window-dots i:nth-child(3) { background: var(--success); }

    .panel-status {
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .panel-body {
      padding: 22px;
      display: grid;
      gap: 16px;
      flex: 1;
    }

    .qualification {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 16px;
      background: rgba(255,255,255,.035);
    }

    .qualification h2 {
      margin: 0 0 10px;
      color: #fff;
      font-size: 20px;
      font-weight: 900;
    }

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

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

    .access-tile {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: #1e211f;
    }

    .access-tile small {
      display: block;
      color: var(--muted);
      font-size: 12px;
    }

    .access-tile strong {
      display: block;
      margin-top: 7px;
      color: #fff;
      font-size: 16px;
    }

    .status-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      background: rgba(97,214,200,.08);
      border: 1px solid rgba(97,214,200,.22);
      color: #d8fffb;
      font-size: 13px;
      font-weight: 800;
    }

    .hero-next {
      margin-top: 28px;
      padding: 12px 0 0;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .light-band {
      background: var(--panel-2);
      color: var(--text-dark);
    }

    .light-band .section-title {
      color: var(--text-dark);
    }

    .light-band .section-desc,
    .light-band .muted {
      color: var(--muted-dark);
    }

    .triple-layout {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 34px;
      align-items: start;
    }

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

    .selling-item {
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: var(--paper);
      padding: 18px;
      box-shadow: var(--shadow-light);
    }

    .selling-item:nth-child(2) {
      transform: translateX(24px);
    }

    .selling-item:nth-child(3) {
      transform: translateX(48px);
    }

    .selling-item h3 {
      margin: 0 0 8px;
      color: var(--text-dark);
      font-size: 20px;
      font-weight: 900;
    }

    .selling-item p {
      margin: 0;
      color: var(--muted-dark);
      font-size: 14px;
      line-height: 1.8;
    }

    .demo-section {
      background: #151715;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .tabs-panel {
      padding: 0;
    }

    .tabs {
      border: 0;
      background: transparent;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 30px;
    }

    .tabs-title > a {
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--muted);
      background: rgba(255,255,255,.04);
      font-weight: 900;
      padding: 11px 14px;
      line-height: 1.2;
    }

    .tabs-title > a:focus,
    .tabs-title > a[aria-selected="true"] {
      background: var(--brand);
      color: #111;
      outline: none;
    }

    .demo-stage {
      margin-top: 18px;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
      gap: 22px;
      align-items: stretch;
    }

    .screen-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: #0f100f;
      box-shadow: var(--shadow);
    }

    .screen-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 13px 15px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .screen-body {
      padding: 18px;
      display: grid;
      gap: 12px;
    }

    .matrix-row {
      display: grid;
      grid-template-columns: 110px 1fr 90px;
      gap: 10px;
      align-items: center;
      padding: 12px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.035);
      color: #eef1e8;
      font-size: 13px;
    }

    .matrix-row b {
      color: var(--brand);
    }

    .progress {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      margin: 0;
    }

    .progress span {
      display: block;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand), var(--cyan));
    }

    .demo-copy {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px;
      background: rgba(255,255,255,.04);
    }

    .demo-copy h3 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 24px;
      font-weight: 900;
    }

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

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

    .check-list li {
      display: flex;
      gap: 10px;
      color: #e5e7df;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      color: var(--brand);
      font-weight: 900;
    }

    .requirements-wrap {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 24px;
      margin-top: 34px;
    }

    .spec-panel {
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: var(--paper);
      overflow: hidden;
      box-shadow: var(--shadow-light);
    }

    .spec-row {
      display: grid;
      grid-template-columns: 150px 1fr;
      gap: 18px;
      padding: 15px 18px;
      border-bottom: 1px solid var(--line-dark);
      align-items: center;
    }

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

    .spec-row b {
      color: var(--text-dark);
      font-size: 14px;
    }

    .spec-row span {
      color: var(--muted-dark);
      font-size: 14px;
    }

    .changelog {
      border-left: 2px solid rgba(29,33,30,.14);
      padding-left: 20px;
      display: grid;
      gap: 16px;
    }

    .change-item {
      position: relative;
      padding: 16px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: var(--paper);
    }

    .change-item::before {
      content: "";
      position: absolute;
      left: -27px;
      top: 22px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(255,117,87,.13);
    }

    .change-item strong {
      display: block;
      margin-bottom: 5px;
      color: var(--text-dark);
    }

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

    .social-grid {
      margin-top: 34px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .review-card {
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.045);
      padding: 18px;
    }

    .review-card .stars {
      color: var(--brand);
      font-size: 14px;
      letter-spacing: 0;
    }

    .review-card p {
      margin: 14px 0;
      color: #e6e8e1;
      font-size: 14px;
      line-height: 1.85;
    }

    .review-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .news-layout {
      margin-top: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: var(--paper);
      overflow: hidden;
      box-shadow: var(--shadow-light);
    }

    .news-link {
      display: grid;
      grid-template-columns: 112px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-bottom: 1px solid var(--line-dark);
    }

    .news-link:last-child {
      border-bottom: 0;
    }

    .news-link time {
      color: var(--muted-dark);
      font-size: 13px;
      font-weight: 800;
    }

    .news-link strong {
      color: var(--text-dark);
      font-size: 16px;
      font-weight: 900;
    }

    .news-link span {
      color: var(--accent);
      font-weight: 900;
    }

    .news-link:hover {
      background: #fff8e9;
    }

    .agenda-card {
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: #242720;
      color: var(--text);
      padding: 20px;
      box-shadow: var(--shadow-light);
    }

    .agenda-card h3 {
      margin: 0 0 16px;
      font-size: 22px;
      font-weight: 900;
    }

    .agenda-node {
      display: grid;
      grid-template-columns: 58px 1fr;
      gap: 12px;
      padding: 14px 0;
      border-top: 1px solid rgba(255,255,255,.1);
    }

    .agenda-node time {
      color: var(--brand);
      font-size: 13px;
      font-weight: 900;
    }

    .agenda-node strong {
      display: block;
      margin-bottom: 4px;
      color: #fff;
      font-size: 14px;
    }

    .agenda-node span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .download-band {
      background: #111312;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .download-panel {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 28px;
      align-items: center;
      border: 1px solid rgba(230,255,88,.22);
      border-radius: var(--radius);
      padding: 28px;
      background:
        linear-gradient(135deg, rgba(230,255,88,.13), transparent 46%),
        rgba(255,255,255,.04);
    }

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

    .download-button {
      min-height: 92px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.045);
      color: var(--text);
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 7px;
    }

    .download-button strong {
      font-size: 16px;
      color: #fff;
    }

    .download-button span {
      color: var(--muted);
      font-size: 12px;
    }

    .download-button.primary {
      background: var(--brand);
      color: #111;
      border-color: var(--brand);
    }

    .download-button.primary strong,
    .download-button.primary span {
      color: #111;
    }

    .download-button:hover,
    .download-button:focus {
      transform: translateY(-2px);
      border-color: rgba(230,255,88,.48);
      outline: none;
    }

    .faq-grid {
      margin-top: 34px;
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 28px;
      align-items: start;
    }

    .faq-note {
      padding: 22px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: var(--paper);
      box-shadow: var(--shadow-light);
    }

    .faq-note h3 {
      margin: 0 0 10px;
      color: var(--text-dark);
      font-weight: 900;
      font-size: 22px;
    }

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

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 10px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--paper);
      box-shadow: var(--shadow-light);
    }

    .accordion-title {
      border: 0;
      color: var(--text-dark);
      font-size: 16px;
      font-weight: 900;
      padding: 17px 46px 17px 18px;
      background: var(--paper);
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: #fff8e9;
      color: var(--text-dark);
      outline: none;
    }

    .accordion-content {
      border: 0;
      border-top: 1px solid var(--line-dark);
      background: #fffdf8;
      color: var(--muted-dark);
      line-height: 1.85;
      padding: 18px;
    }

    .conversion-section {
      background:
        linear-gradient(90deg, rgba(255,117,87,.12), transparent 36%),
        linear-gradient(180deg, #181a18, #111211);
      border-top: 1px solid var(--line);
    }

    .conversion-box {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
      gap: 28px;
      align-items: stretch;
    }

    .campaign-card {
      border: 1px solid rgba(255,117,87,.28);
      border-radius: var(--radius);
      background: rgba(255,117,87,.08);
      padding: 24px;
    }

    .campaign-card h2 {
      margin: 0 0 12px;
      color: #fff;
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 950;
      line-height: 1.18;
    }

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

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

    .reward-item {
      padding: 14px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
    }

    .reward-item strong {
      display: block;
      color: #fff;
      margin-bottom: 5px;
    }

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

    .lead-form {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.045);
      padding: 24px;
    }

    .lead-form label {
      color: #eef0e9;
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 7px;
    }

    .lead-form input,
    .lead-form textarea,
    .lead-form select {
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: #101211;
      color: var(--text);
      box-shadow: none;
      min-height: 45px;
      margin-bottom: 14px;
    }

    .lead-form input:focus,
    .lead-form textarea:focus,
    .lead-form select:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 3px rgba(230,255,88,.13);
      background: #101211;
      color: var(--text);
    }

    .form-tip {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .site-footer {
      margin-left: var(--side);
      padding: 34px 0;
      background: #0c0d0e0d;
      border-top: 1px solid var(--line);
      transition: margin-left var(--ease);
    }

    body.nav-collapsed .site-footer {
      margin-left: var(--side-collapsed);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(2, minmax(0, .7fr));
      gap: 24px;
      align-items: start;
    }

    .footer-brand {
      color: #fff;
      font-size: 18px;
      font-weight: 950;
      margin-bottom: 8px;
    }

    .site-footer p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }

    .footer-title {
      margin: 0 0 10px;
      color: #fff;
      font-size: 14px;
      font-weight: 900;
    }

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

    .footer-links a {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

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

    .copyright {
      margin-top: 26px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
    }

    @media (max-width: 1180px) {
      .side-nav {
        width: 248px;
      }

      .main-content,
      .site-footer {
        margin-left: 248px;
      }

      .hero-stage,
      .demo-stage,
      .download-panel,
      .conversion-box {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 1024px) {
      .side-nav {
        display: none;
      }

      .mobile-topbar {
        display: block;
      }

      .main-content,
      .site-footer,
      body.nav-collapsed .main-content,
      body.nav-collapsed .site-footer {
        margin-left: 0;
      }

      .page-section {
        padding: 68px 0;
      }

      .container-wide {
        width: min(100% - 34px, 940px);
      }

      .triple-layout,
      .requirements-wrap,
      .faq-grid,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .selling-item:nth-child(2),
      .selling-item:nth-child(3) {
        transform: none;
      }

      .news-layout {
        gap: 18px;
      }
    }

    @media (max-width: 768px) {
      .hero {
        min-height: auto;
        padding: 34px 0 54px;
      }

      .hero-copy {
        padding: 0;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-proof,
      .access-grid,
      .download-buttons,
      .reward-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .mobile-menu {
        grid-template-columns: 1fr;
      }

      .matrix-row,
      .spec-row,
      .news-link {
        grid-template-columns: 1fr;
        gap: 8px;
      }

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

      .download-panel,
      .conversion-box {
        padding: 20px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 34px;
        line-height: 1.14;
      }

      .section-title {
        font-size: 27px;
      }

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

      .badge,
      .button-pro {
        width: 100%;
      }

      .panel-body,
      .lead-form,
      .campaign-card {
        padding: 18px;
      }

      .tabs {
        flex-direction: column;
      }

      .tabs-title > a {
        display: block;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #101112;
      --bg-soft: #17191b;
      --panel: #1e2124;
      --panel-2: #24282c;
      --text: #f4f0e8;
      --muted: #b8b1a5;
      --subtle: #807a70;
      --line: rgba(244, 240, 232, .12);
      --line-strong: rgba(244, 240, 232, .2);
      --brand: #f0b84f;
      --brand-2: #48c6a8;
      --danger: #f06f5f;
      --ink: #141414;
      --white: #ffffff;
      --shadow: 0 20px 55px rgba(0, 0, 0, .28);
      --shadow-soft: 0 12px 30px rgba(0, 0, 0, .18);
      --radius: 8px;
      --radius-sm: 6px;
      --nav-w: 286px;
      --nav-mini: 86px;
      --content-max: 1180px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        linear-gradient(90deg, rgba(240, 184, 79, .05) 1px, transparent 1px),
        linear-gradient(180deg, rgba(72, 198, 168, .04) 1px, transparent 1px),
        var(--bg);
      background-size: 44px 44px;
      line-height: 1.75;
      letter-spacing: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    a:hover,
    a:focus {
      color: var(--brand);
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(240, 184, 79, .46);
      outline-offset: 3px;
    }

    .page-shell {
      min-height: 100vh;
      padding-left: var(--nav-w);
      transition: padding-left var(--ease);
    }

    body.nav-collapsed .page-shell {
      padding-left: var(--nav-mini);
    }

    .container-wide {
      width: min(var(--content-max), calc(100% - 48px));
      margin: 0 auto;
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-w);
      z-index: 50;
      display: flex;
      flex-direction: column;
      gap: 22px;
      padding: 24px 18px;
      background: rgba(20, 21, 22, .96);
      border-right: 1px solid var(--line);
      box-shadow: 18px 0 40px rgba(0, 0, 0, .18);
      transition: width var(--ease), padding var(--ease);
      backdrop-filter: blur(18px);
    }

    body.nav-collapsed .side-nav {
      width: var(--nav-mini);
      padding: 22px 12px;
      align-items: center;
    }

    .brand-block {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(240, 184, 79, .14), rgba(72, 198, 168, .08));
      color: var(--text);
    }

    .brand-mark {
      flex: 0 0 42px;
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: var(--brand);
      color: var(--ink);
      font-weight: 900;
      font-size: 20px;
    }

    .brand-text {
      min-width: 0;
      display: grid;
      gap: 1px;
    }

    .brand-name {
      font-size: 15px;
      font-weight: 850;
      line-height: 1.35;
      color: var(--text);
    }

    .brand-note {
      font-size: 12px;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    body.nav-collapsed .brand-text,
    body.nav-collapsed .link-text,
    body.nav-collapsed .nav-label,
    body.nav-collapsed .side-cta,
    body.nav-collapsed .nav-foot {
      display: none;
    }

    .nav-toggle {
      position: absolute;
      right: -15px;
      top: 84px;
      width: 30px;
      height: 30px;
      border-radius: 999px;
      border: 1px solid var(--line-strong);
      background: var(--panel);
      color: var(--text);
      display: grid;
      place-items: center;
      box-shadow: var(--shadow-soft);
    }

    body.nav-collapsed .nav-toggle {
      transform: rotate(180deg);
    }

    .nav-group {
      display: grid;
      gap: 8px;
    }

    .nav-label {
      margin: 0 8px 3px;
      font-size: 12px;
      color: var(--subtle);
      font-weight: 700;
    }

    .side-link {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 42px;
      padding: 9px 10px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .side-link:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .045);
      border-color: var(--line);
      transform: translateX(2px);
    }

    .side-link.active {
      color: var(--ink);
      background: var(--brand);
      border-color: rgba(240, 184, 79, .7);
      box-shadow: 0 10px 20px rgba(240, 184, 79, .15);
    }

    .nav-icon {
      flex: 0 0 24px;
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      border-radius: 5px;
      background: rgba(255, 255, 255, .06);
      font-size: 13px;
    }

    .side-link.active .nav-icon {
      background: rgba(20, 20, 20, .12);
    }

    .side-cta {
      margin-top: auto;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(72, 198, 168, .28);
      background: rgba(72, 198, 168, .08);
    }

    .side-cta strong {
      display: block;
      font-size: 14px;
      margin-bottom: 6px;
      color: var(--text);
    }

    .side-cta p {
      margin: 0 0 12px;
      font-size: 12px;
      line-height: 1.65;
      color: var(--muted);
    }

    .button-pro {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line-strong);
      background: var(--panel-2);
      color: var(--text);
      font-size: 14px;
      font-weight: 800;
      line-height: 1.3;
      box-shadow: none;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
    }

    .button-pro:hover {
      transform: translateY(-1px);
      color: var(--text);
      border-color: rgba(240, 184, 79, .45);
      box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
    }

    .button-pro.primary {
      background: var(--brand);
      color: var(--ink);
      border-color: var(--brand);
    }

    .button-pro.primary:hover {
      color: var(--ink);
      filter: brightness(1.04);
    }

    .button-pro.secondary {
      background: rgba(72, 198, 168, .12);
      border-color: rgba(72, 198, 168, .32);
      color: #cffff2;
    }

    .button-pro.ghost {
      background: transparent;
      color: var(--muted);
    }

    .nav-foot {
      font-size: 11px;
      color: var(--subtle);
      line-height: 1.55;
      border-top: 1px solid var(--line);
      padding-top: 14px;
    }

    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      padding: 10px 14px;
      background: rgba(20, 21, 22, .96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(16px);
    }

    .mobile-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 9px;
      min-width: 0;
      font-weight: 900;
    }

    .mobile-brand .brand-mark {
      width: 34px;
      height: 34px;
      flex-basis: 34px;
      font-size: 17px;
    }

    .mobile-menu-btn {
      width: 40px;
      height: 40px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: var(--panel);
      color: var(--text);
    }

    .mobile-links {
      display: none;
      grid-template-columns: 1fr;
      gap: 8px;
      padding-top: 12px;
    }

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

    .mobile-links a {
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .045);
      color: var(--muted);
      font-weight: 750;
    }

    .mobile-links a.active {
      background: var(--brand);
      color: var(--ink);
    }

    main {
      overflow: hidden;
    }

    .category-hero {
      position: relative;
      padding: 28px 0 54px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(240, 184, 79, .14), transparent 38%),
        linear-gradient(225deg, rgba(72, 198, 168, .12), transparent 36%),
        rgba(255, 255, 255, .015);
    }

    .crumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      color: var(--subtle);
      font-size: 13px;
    }

    .crumb a {
      color: var(--muted);
      font-weight: 700;
    }

    .flash-strip {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 14px;
      padding: 10px 12px;
      margin-bottom: 20px;
      border: 1px solid rgba(240, 184, 79, .28);
      border-radius: var(--radius);
      background: rgba(240, 184, 79, .08);
    }

    .flash-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--brand);
      color: var(--ink);
      font-size: 13px;
      font-weight: 900;
      white-space: nowrap;
    }

    .countdown {
      display: flex;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      font-size: 13px;
    }

    .countdown b {
      min-width: 28px;
      padding: 2px 6px;
      border-radius: 5px;
      background: rgba(0, 0, 0, .24);
      color: var(--text);
      text-align: center;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
      gap: 26px;
      align-items: stretch;
    }

    .hero-copy {
      display: grid;
      align-content: center;
      gap: 18px;
      min-width: 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      gap: 8px;
      padding: 7px 10px;
      border: 1px solid rgba(72, 198, 168, .32);
      border-radius: 999px;
      background: rgba(72, 198, 168, .08);
      color: #cffff2;
      font-size: 13px;
      font-weight: 800;
    }

    h1 {
      margin: 0;
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: 0;
      color: var(--text);
      max-width: 900px;
    }

    .hero-copy p {
      margin: 0;
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .main-card {
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .025));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-bottom: 1px solid var(--line);
      background: rgba(0, 0, 0, .16);
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #cffff2;
      font-weight: 800;
      font-size: 13px;
    }

    .status-dot::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--brand-2);
      box-shadow: 0 0 0 4px rgba(72, 198, 168, .13);
    }

    .main-card-body {
      padding: 18px;
      display: grid;
      gap: 14px;
    }

    .device-matrix {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .device-tile {
      padding: 13px 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .04);
    }

    .device-tile b {
      display: block;
      color: var(--text);
      font-size: 15px;
      margin-bottom: 4px;
    }

    .device-tile span {
      color: var(--muted);
      font-size: 12px;
    }

    .priority-box {
      display: grid;
      gap: 10px;
      padding: 14px;
      border-radius: var(--radius-sm);
      background: #111314;
      border: 1px solid rgba(240, 184, 79, .24);
    }

    .priority-row {
      display: grid;
      grid-template-columns: 86px 1fr auto;
      gap: 10px;
      align-items: center;
      font-size: 13px;
    }

    .bar {
      height: 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand), var(--brand-2));
    }

    .section {
      padding: 58px 0;
    }

    .section.tight {
      padding-top: 36px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: end;
      margin-bottom: 22px;
    }

    .section-kicker {
      margin: 0 0 6px;
      color: var(--brand);
      font-size: 13px;
      font-weight: 900;
    }

    .section-title {
      margin: 0;
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.25;
      font-weight: 950;
      color: var(--text);
    }

    .section-summary {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 760px;
      font-size: 15px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .035);
    }

    .filter-btn {
      min-height: 36px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: transparent;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      transition: var(--ease);
    }

    .filter-btn:hover,
    .filter-btn.active {
      background: var(--brand);
      color: var(--ink);
      border-color: var(--brand);
    }

    .layout-board {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
      gap: 18px;
      align-items: start;
    }

    .pinned-panel {
      position: sticky;
      top: 24px;
      padding: 18px;
      border: 1px solid rgba(240, 184, 79, .22);
      border-radius: var(--radius);
      background: rgba(240, 184, 79, .07);
    }

    .pinned-panel h2 {
      margin: 0 0 10px;
      font-size: 22px;
      font-weight: 950;
    }

    .pinned-panel p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
    }

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

    .spec-list li {
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 10px;
      padding: 11px 0;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .spec-list strong {
      color: var(--text);
    }

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

    .entry-card {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .035);
      min-width: 0;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(240, 184, 79, .34);
      background: rgba(255, 255, 255, .055);
      box-shadow: var(--shadow-soft);
    }

    .entry-rank {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: var(--panel-2);
      color: var(--brand);
      font-weight: 950;
      border: 1px solid var(--line);
    }

    .entry-main {
      min-width: 0;
    }

    .entry-main h3 {
      margin: 0 0 5px;
      font-size: 18px;
      font-weight: 900;
      color: var(--text);
    }

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

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-top: 9px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 24px;
      padding: 3px 8px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
      font-weight: 750;
      background: rgba(255, 255, 255, .025);
    }

    .tag.ok {
      color: #cffff2;
      border-color: rgba(72, 198, 168, .3);
      background: rgba(72, 198, 168, .08);
    }

    .tag.hot {
      color: #ffe2a8;
      border-color: rgba(240, 184, 79, .34);
      background: rgba(240, 184, 79, .08);
    }

    .entry-meta {
      text-align: right;
      color: var(--subtle);
      font-size: 12px;
      min-width: 88px;
    }

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

    .process-item {
      position: relative;
      padding: 17px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
    }

    .process-item::before {
      content: attr(data-step);
      display: inline-grid;
      place-items: center;
      width: 30px;
      height: 30px;
      margin-bottom: 13px;
      border-radius: var(--radius-sm);
      background: var(--brand);
      color: var(--ink);
      font-weight: 950;
    }

    .process-item h3 {
      margin: 0 0 8px;
      font-size: 17px;
      font-weight: 900;
    }

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

    .requirements {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: stretch;
    }

    .req-table,
    .signal-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(255, 255, 255, .035);
    }

    .req-row {
      display: grid;
      grid-template-columns: 150px 1fr 120px;
      gap: 12px;
      padding: 13px 16px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

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

    .req-row.header {
      color: var(--text);
      font-weight: 900;
      background: rgba(0, 0, 0, .18);
    }

    .req-row strong {
      color: var(--text);
    }

    .signal-panel {
      padding: 18px;
      display: grid;
      gap: 14px;
    }

    .signal-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border-radius: var(--radius-sm);
      background: rgba(0, 0, 0, .18);
      border: 1px solid var(--line);
    }

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

    .signal-card b {
      color: var(--text);
      font-size: 16px;
    }

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

    .review-card {
      padding: 17px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .035);
    }

    .review-card .stars {
      color: var(--brand);
      font-weight: 900;
      margin-bottom: 8px;
    }

    .review-card p {
      margin: 0 0 12px;
      color: var(--text);
      font-size: 15px;
      line-height: 1.75;
    }

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

    .download-panel {
      border: 1px solid rgba(72, 198, 168, .28);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(72, 198, 168, .14), rgba(240, 184, 79, .08)),
        var(--panel);
      padding: 22px;
    }

    .download-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 20px;
      align-items: center;
    }

    .download-panel h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 950;
    }

    .download-panel p {
      margin: 0;
      color: var(--muted);
      max-width: 720px;
    }

    .download-actions {
      display: grid;
      grid-template-columns: repeat(3, minmax(150px, 1fr));
      gap: 10px;
      min-width: 500px;
    }

    .status-line {
      margin-top: 16px;
      padding: 11px 12px;
      border-radius: var(--radius-sm);
      background: rgba(0, 0, 0, .2);
      color: var(--muted);
      font-size: 13px;
      border: 1px solid var(--line);
    }

    .faq-wrap {
      display: grid;
      gap: 10px;
      max-width: 920px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .035);
      overflow: hidden;
    }

    .faq-q {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 16px 18px;
      border: 0;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 900;
    }

    .faq-q span:last-child {
      color: var(--brand);
      font-size: 20px;
      line-height: 1;
    }

    .faq-a {
      display: none;
      padding: 0 18px 16px;
      color: var(--muted);
      font-size: 14px;
    }

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

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

    .pager {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 20px;
    }

    .pager a {
      min-width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-weight: 800;
      background: rgba(255, 255, 255, .03);
    }

    .pager a.active,
    .pager a:hover {
      background: var(--brand);
      color: var(--ink);
      border-color: var(--brand);
    }

    .site-footer {
      padding: 44px 0 28px;
      border-top: 1px solid var(--line);
      background: #0c0d0e;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap: 28px;
      margin-bottom: 26px;
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 950;
      margin-bottom: 10px;
      color: var(--text);
    }

    .site-footer p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      max-width: 560px;
    }

    .footer-title {
      margin: 0 0 12px;
      font-size: 15px;
      color: var(--text);
      font-weight: 900;
    }

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

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

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

    .copyright {
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--subtle);
      font-size: 12px;
    }

    @media (max-width: 1180px) {
      .hero-grid,
      .layout-board,
      .requirements,
      .download-grid {
        grid-template-columns: 1fr;
      }

      .pinned-panel {
        position: static;
      }

      .download-actions {
        min-width: 0;
      }

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

    @media (max-width: 1024px) {
      .page-shell,
      body.nav-collapsed .page-shell {
        padding-left: 0;
      }

      .side-nav {
        display: none;
      }

      .mobile-topbar {
        display: block;
      }

      .category-hero {
        padding-top: 24px;
      }
    }

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

      .flash-strip {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .hero-grid {
        gap: 18px;
      }

      h1 {
        font-size: 34px;
      }

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

      .device-matrix,
      .download-actions,
      .reviews {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 42px 0;
      }

      .section-head {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .entry-card {
        grid-template-columns: 1fr;
      }

      .entry-meta {
        text-align: left;
      }

      .req-row {
        grid-template-columns: 1fr;
        gap: 4px;
      }

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

    @media (max-width: 520px) {
      .mobile-brand span:last-child {
        max-width: 220px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .hero-actions,
      .filter-bar {
        display: grid;
        grid-template-columns: 1fr;
      }

      .button-pro,
      .filter-btn {
        width: 100%;
      }

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

      .priority-row {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .category-hero {
        padding-bottom: 40px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#0e1116;
      --bg-soft:#141922;
      --panel:#181e27;
      --panel-2:#1c2330;
      --line:rgba(255,255,255,.08);
      --line-strong:rgba(255,255,255,.13);
      --text:#eef2f6;
      --muted:#9ca7b5;
      --accent:#f0b54d;
      --accent-2:#5bd6b5;
      --danger:#ea6f7c;
      --shadow:0 20px 40px rgba(0,0,0,.32);
      --shadow-soft:0 10px 24px rgba(0,0,0,.2);
      --radius:8px;
      --radius-sm:6px;
      --gap:24px;
      --nav-w:300px;
      --nav-collapsed:92px;
      --max:1280px;
      --focus:0 0 0 3px rgba(240,181,77,.18);
    }
    *,*::before,*::after{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      font-family:"Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      background:
        radial-gradient(1200px 600px at 20% -10%, rgba(240,181,77,.08), transparent 60%),
        radial-gradient(800px 500px at 110% 10%, rgba(91,214,181,.06), transparent 55%),
        linear-gradient(180deg, #0b0e13 0%, #0d1117 40%, #0e1218 100%);
      color:var(--text);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .2s ease;}
    img{max-width:100%;display:block;}
    button,input,textarea,select{font:inherit;}
    button{cursor:pointer;}
    :focus-visible{outline:none;box-shadow:var(--focus);}
    .shell{
      min-height:100vh;
      display:flex;
      align-items:stretch;
    }
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--nav-w);
      background:rgba(11,14,19,.92);
      backdrop-filter:blur(10px);
      border-right:1px solid var(--line);
      padding:18px 14px;
      z-index:30;
      display:flex;
      flex-direction:column;
      gap:16px;
      box-shadow:10px 0 30px rgba(0,0,0,.16);
      transition:width .25s ease, transform .25s ease;
    }
    .side-nav.collapsed{width:var(--nav-collapsed);}
    .brand-block{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      border:1px solid var(--line);
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(240,181,77,.92), rgba(240,181,77,.56));
      color:#221600;
      font-weight:900;
      letter-spacing:.04em;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
      flex:0 0 auto;
    }
    .brand-text{display:flex;flex-direction:column;min-width:0;}
    .brand-name{
      font-size:1rem;
      font-weight:800;
      letter-spacing:.02em;
      line-height:1.2;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-note{
      font-size:.78rem;
      color:var(--muted);
      margin-top:2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-toggle{
      align-self:flex-end;
      width:34px;height:34px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-radius:10px;
    }
    .nav-group{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding:0 4px;
    }
    .nav-label{
      margin:4px 8px 2px;
      font-size:.72rem;
      letter-spacing:.14em;
      color:rgba(238,242,246,.52);
      text-transform:uppercase;
    }
    .side-link{
      display:flex;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:12px;
      color:var(--text);
      border:1px solid transparent;
      background:transparent;
      line-height:1.2;
    }
    .side-link .nav-icon{
      width:24px;
      text-align:center;
      color:var(--accent);
      flex:0 0 auto;
      font-size:1rem;
    }
    .side-link .link-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
    .side-link:hover{
      background:rgba(255,255,255,.04);
      border-color:var(--line);
      transform:translateX(2px);
    }
    .side-link.active{
      background:rgba(240,181,77,.11);
      border-color:rgba(240,181,77,.22);
      color:#fff;
      box-shadow:inset 0 0 0 1px rgba(240,181,77,.04);
    }
    .side-cta{
      margin-top:auto;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .side-cta strong{font-size:.95rem;}
    .side-cta p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.75;}
    .button-pro{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:12px;
      padding:11px 16px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
      white-space:nowrap;
    }
    .button-pro:hover{transform:translateY(-1px);}
    .button-pro.primary{
      background:linear-gradient(135deg, var(--accent), #f5c86f);
      color:#211500;
      box-shadow:0 10px 22px rgba(240,181,77,.2);
    }
    .button-pro.primary:hover{box-shadow:0 14px 28px rgba(240,181,77,.24);}
    .button-pro.secondary{
      background:rgba(255,255,255,.04);
      border-color:var(--line);
      color:var(--text);
    }
    .button-pro.ghost{
      background:transparent;
      border-color:rgba(255,255,255,.12);
      color:var(--text);
    }
    .nav-foot{
      color:var(--muted);
      font-size:.78rem;
      padding:0 6px 2px;
      line-height:1.6;
    }
    .page-panel{
      margin-left:var(--nav-w);
      width:calc(100% - var(--nav-w));
      min-height:100vh;
    }
    .page-panel.shifted{margin-left:var(--nav-collapsed);width:calc(100% - var(--nav-collapsed));}
    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:25;
      background:rgba(11,14,19,.92);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(10px);
      padding:12px 14px;
      align-items:center;
      gap:10px;
    }
    .mobile-topbar .mobile-brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      flex:1;
    }
    .mobile-topbar .mobile-brand .brand-mark{width:36px;height:36px;border-radius:11px;}
    .mobile-topbar .mobile-actions{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .mobile-btn{
      width:38px;height:38px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      display:grid;
      place-items:center;
    }
    .content-area{
      padding:28px 28px 0;
      max-width:var(--max);
      margin:0 auto;
    }
    .hero{
      padding:12px 0 26px;
    }
    .section-grid{
      display:grid;
      grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);
      gap:20px;
      align-items:stretch;
    }
    .hero-copy,.hero-panel,.content-card,.cta-band,.faq-item,.footer-card{
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .hero-copy{
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-copy::after{
      content:"";
      position:absolute;
      inset:auto -60px -90px auto;
      width:240px;height:240px;
      background:radial-gradient(circle, rgba(240,181,77,.16), transparent 62%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(240,181,77,.11);
      color:#ffd68f;
      font-size:.82rem;
      border:1px solid rgba(240,181,77,.14);
      margin-bottom:16px;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:999px;background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(91,214,181,.14);
    }
    h1{
      margin:0 0 14px;
      font-size:clamp(2rem, 4vw, 3.4rem);
      line-height:1.1;
      letter-spacing:.01em;
      font-weight:900;
    }
    .hero-copy p{
      margin:0;
      color:#d6dde6;
      font-size:1.05rem;
      line-height:1.9;
      max-width:62ch;
    }
    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:20px 0 22px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:#edf2f7;
      font-size:.88rem;
    }
    .pill i{color:var(--accent);}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:10px;
    }
    .hero-meta{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:22px;
    }
    .mini-stat{
      padding:14px;
      border-radius:12px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
    }
    .mini-stat strong{
      display:block;
      font-size:1.22rem;
      font-weight:800;
      margin-bottom:4px;
    }
    .mini-stat span{font-size:.84rem;color:var(--muted);}
    .hero-panel{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-weight:800;
      font-size:1rem;
    }
    .status-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(91,214,181,.12);
      color:#a8f1de;
      border:1px solid rgba(91,214,181,.14);
      font-size:.78rem;
      white-space:nowrap;
    }
    .status-tag .pulse{
      width:8px;height:8px;border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(91,214,181,.12);
    }
    .mock-board{
      display:grid;
      gap:10px;
      grid-template-columns:1fr;
      padding:14px;
      border-radius:12px;
      background:rgba(8,11,16,.54);
      border:1px solid var(--line);
    }
    .mock-row{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:10px;
    }
    .mock-block{
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      border-radius:12px;
      padding:12px;
      min-height:78px;
    }
    .mock-block .label{
      display:inline-flex;
      font-size:.74rem;
      color:#ffd68f;
      margin-bottom:8px;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .mock-block .value{
      font-weight:700;
      line-height:1.6;
      color:#f3f6fb;
    }
    .metric-list{
      display:grid;
      gap:8px;
    }
    .metric-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 12px;
      border-radius:12px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      color:#e9eef4;
      font-size:.92rem;
    }
    .metric-item i{color:var(--accent);margin-top:3px;}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin:10px 0 14px;
    }
    .section-head h2{
      margin:0;
      font-size:1.5rem;
      line-height:1.2;
      font-weight:900;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      max-width:60ch;
    }
    .content-card{
      padding:18px;
      margin-bottom:18px;
    }
    .feature-strip{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(250px,1fr);
      gap:12px;
      overflow-x:auto;
      padding-bottom:6px;
      scroll-snap-type:x proximity;
    }
    .feature-strip::-webkit-scrollbar{height:8px;}
    .feature-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px;}
    .feature-card{
      scroll-snap-align:start;
      padding:16px;
      border-radius:12px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      min-height:180px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .feature-card .head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
    }
    .feature-card h3{
      margin:0;
      font-size:1.02rem;
      font-weight:800;
    }
    .feature-card .chip{
      padding:5px 9px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      color:#dbe2ea;
      border:1px solid var(--line);
      font-size:.74rem;
      white-space:nowrap;
    }
    .feature-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.8;}
    .feature-lines{
      display:grid;
      gap:8px;
      margin-top:auto;
    }
    .feature-lines span{
      display:flex;
      justify-content:space-between;
      gap:10px;
      font-size:.83rem;
      color:#dde4eb;
      padding-top:8px;
      border-top:1px dashed rgba(255,255,255,.08);
    }
    .feature-lines em{font-style:normal;color:#a9b4c0;}
    .requirements-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .spec-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.02);
    }
    .spec-table th,.spec-table td{
      text-align:left;
      padding:13px 14px;
      border-bottom:1px solid rgba(255,255,255,.06);
      vertical-align:top;
      font-size:.92rem;
    }
    .spec-table th{
      width:34%;
      color:#f2f5fa;
      background:rgba(255,255,255,.03);
      font-weight:700;
    }
    .spec-table td{color:#d4dbe3;}
    .spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none;}
    .notice-list{
      display:grid;
      gap:10px;
    }
    .notice-item{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
    }
    .notice-item i{
      color:var(--accent-2);
      margin-top:3px;
      flex:0 0 auto;
    }
    .notice-item strong{
      display:block;
      margin-bottom:3px;
      font-size:.95rem;
    }
    .notice-item p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.75;}
    .review-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .review-card{
      padding:16px;
      border-radius:12px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
    }
    .review-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
    }
    .stars{color:#ffd86f;letter-spacing:2px;font-size:.86rem;}
    .review-tag{
      font-size:.72rem;
      color:#c9d1d9;
      padding:5px 8px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .review-card p{
      margin:0;
      font-size:.9rem;
      line-height:1.8;
      color:#dfe6ee;
      min-height:78px;
    }
    .review-meta{
      margin-top:10px;
      display:flex;
      justify-content:space-between;
      gap:8px;
      color:var(--muted);
      font-size:.78rem;
      border-top:1px solid rgba(255,255,255,.06);
      padding-top:10px;
    }
    .cta-band{
      padding:18px;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:16px;
      align-items:center;
    }
    .cta-band h2{
      margin:0 0 8px;
      font-size:1.4rem;
      line-height:1.25;
      font-weight:900;
    }
    .cta-band p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
    }
    .cta-actions{
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:stretch;
      justify-content:center;
    }
    .cta-actions .button-pro{width:100%;}
    .cta-note{
      display:flex;
      align-items:center;
      gap:10px;
      color:#d8e0e8;
      font-size:.85rem;
      padding:10px 12px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
    }
    .cta-note i{color:var(--accent-2);}
    .faq-wrap{
      display:grid;
      gap:10px;
    }
    .faq-item{
      overflow:hidden;
    }
    .faq-item button{
      width:100%;
      padding:16px 18px;
      border:none;
      background:transparent;
      color:var(--text);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      font-weight:700;
    }
    .faq-item button span{font-size:.96rem;}
    .faq-item button i{
      color:var(--accent);
      transition:transform .2s ease;
    }
    .faq-item.open button i{transform:rotate(180deg);}
    .faq-content{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .faq-content p{
      margin:0;
      padding:0 18px 16px;
      color:var(--muted);
      line-height:1.8;
      font-size:.9rem;
    }
    .site-footer{
      margin-top:18px;
      padding:0 0 30px;
    }
    .container-wide{
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
    }
    .footer-brand{
      font-size:1.05rem;
      font-weight:900;
      margin-bottom:10px;
    }
    .footer-title{
      margin:0 0 12px;
      font-size:.96rem;
      color:#f1f5f9;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:.88rem;
    }
    .footer-links a:hover{color:#fff;}
    .copyright{
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--muted);
      font-size:.78rem;
      line-height:1.75;
    }
    .section-spacer{height:8px;}
    .anchor-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#dfe6ef;
      font-size:.88rem;
    }
    .anchor-link i{color:var(--accent);}
    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:14px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      margin-bottom:14px;
    }
    .filter-bar .filter-chip{
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:#dbe3ec;
      font-size:.82rem;
      cursor:pointer;
    }
    .filter-bar .filter-chip.active{
      background:rgba(240,181,77,.12);
      border-color:rgba(240,181,77,.2);
      color:#fff;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .entry-card{
      padding:16px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      display:flex;
      flex-direction:column;
      gap:12px;
      min-height:180px;
    }
    .entry-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
    }
    .entry-card h3{
      margin:0;
      font-size:1rem;
      font-weight:800;
    }
    .entry-card .entry-note{
      font-size:.77rem;
      color:#ffd68f;
      letter-spacing:.08em;
    }
    .entry-card p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.8;}
    .entry-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }
    .entry-meta span{
      font-size:.74rem;
      padding:5px 8px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:#dbe3eb;
    }
    .pagination-wrap{
      display:flex;
      justify-content:center;
      gap:8px;
      margin-top:14px;
      flex-wrap:wrap;
    }
    .pagination-wrap a{
      width:38px;height:38px;
      display:grid;
      place-items:center;
      border-radius:10px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:#dce3ea;
      font-size:.88rem;
    }
    .pagination-wrap a.active{
      background:rgba(240,181,77,.12);
      border-color:rgba(240,181,77,.2);
      color:#fff;
    }
    @media (max-width: 1100px){
      .section-grid,.requirements-grid,.cta-band,.footer-grid,.review-grid,.entry-grid{grid-template-columns:1fr;}
      .hero-meta{grid-template-columns:1fr;}
      .content-area{padding:20px 16px 0;}
      .side-nav{width:260px;}
      .page-panel{margin-left:260px;width:calc(100% - 260px);}
      .page-panel.shifted{margin-left:92px;width:calc(100% - 92px);}
    }
    @media (max-width: 780px){
      .side-nav{display:none;}
      .page-panel,.page-panel.shifted{margin-left:0;width:100%;}
      .mobile-topbar{display:flex;}
      .content-area{padding:14px 12px 0;}
      .hero-copy,.hero-panel,.content-card,.cta-band,.container-wide{padding:16px;}
      h1{font-size:1.9rem;}
      .section-head{flex-direction:column;align-items:flex-start;}
      .feature-strip{grid-auto-columns:85%;}
      .review-grid{grid-template-columns:1fr;}
      .spec-table th,.spec-table td{padding:11px 12px;font-size:.88rem;}
    }
    @media (max-width: 520px){
      .hero-actions,.cta-actions{flex-direction:column;}
      .button-pro{width:100%;}
      .pill-row{gap:8px;}
      .pill{width:100%;justify-content:center;}
      .feature-strip{grid-auto-columns:92%;}
      .mobile-topbar .mobile-brand .brand-note{display:none;}
      .review-card p{min-height:0;}
      .entry-card{min-height:0;}
    }