/* roulang page: index */
:root {
      --bg: #111315;
      --bg-soft: #171a1d;
      --panel: #1e2226;
      --panel-2: #24292e;
      --text: #f6f7f8;
      --muted: #aeb6bf;
      --weak: #7f8994;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(255,255,255,.2);
      --red: #e83b3b;
      --red-2: #ff5656;
      --cyan: #27d7e8;
      --amber: #ffba3a;
      --silver: #d9dee4;
      --success: #32d583;
      --radius: 8px;
      --shadow: 0 18px 50px rgba(0,0,0,.28);
      --shadow-soft: 0 10px 24px rgba(0,0,0,.2);
      --container: 1240px;
      --header: 72px;
      --ease: .18s ease;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.6;
      color: var(--text);
      background:
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 48px 48px,
        linear-gradient(180deg, rgba(232,59,59,.14), transparent 30%),
        radial-gradient(circle at 70% 8%, rgba(39,215,232,.16), transparent 26%),
        var(--bg);
      letter-spacing: 0;
      min-height: 100vh;
      padding-bottom: 0;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(115deg, transparent 0 36%, rgba(255,255,255,.075) 38%, transparent 42%),
        repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 5px);
      mix-blend-mode: screen;
      opacity: .45;
      z-index: -1;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input { font: inherit; }
    button { border: 0; cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(39,215,232,.55); outline-offset: 3px; }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header);
      background: rgba(17,19,21,.82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      transition: height var(--ease), box-shadow var(--ease), background var(--ease);
    }
    .site-header.is-scrolled {
      height: 62px;
      box-shadow: 0 12px 32px rgba(0,0,0,.26);
      background: rgba(17,19,21,.94);
    }
    .nav-wrap {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      white-space: nowrap;
      min-width: 0;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 7px;
      background: linear-gradient(135deg, var(--red), #8f1818);
      display: grid;
      place-items: center;
      color: #fff;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.22), 0 8px 22px rgba(232,59,59,.25);
    }
    .brand-text { font-size: 18px; overflow: hidden; text-overflow: ellipsis; }
    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
      border-radius: 8px;
    }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      color: var(--muted);
      border-radius: 6px;
      font-weight: 700;
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }
    .nav-link:hover { color: var(--text); background: rgba(255,255,255,.07); transform: translateY(-1px); }
    .nav-link.active { color: #fff; background: rgba(232,59,59,.22); box-shadow: inset 0 0 0 1px rgba(232,59,59,.38); }
    .header-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: 6px;
      background: var(--red);
      color: #fff;
      font-weight: 900;
      box-shadow: 0 10px 24px rgba(232,59,59,.28);
      transition: transform var(--ease), filter var(--ease), box-shadow var(--ease);
    }
    .header-action:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 16px 34px rgba(232,59,59,.34); }

    .hero {
      min-height: calc(100vh - var(--header));
      display: flex;
      align-items: center;
      padding: 54px 0 42px;
      border-bottom: 1px solid var(--line);
      position: relative;
      overflow: hidden;
    }
    .hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 34px;
      height: 6px;
      background: repeating-linear-gradient(90deg, rgba(255,255,255,.85) 0 22px, transparent 22px 44px);
      opacity: .16;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 34px;
      align-items: stretch;
    }
    .hero-stage {
      min-height: 520px;
      padding: 42px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(232,59,59,.22), rgba(39,215,232,.08) 42%, rgba(255,255,255,.04)),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }
    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent) -30% 0 / 45% 100% no-repeat,
        repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 80px);
      animation: scan 5.2s linear infinite;
      pointer-events: none;
    }
    @keyframes scan {
      from { background-position: -40% 0, 0 0; }
      to { background-position: 140% 0, 0 0; }
    }
    .hero-content { position: relative; z-index: 1; }
    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 7px 11px;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(0,0,0,.22);
      border-radius: 6px;
      color: var(--silver);
      font-weight: 800;
      font-size: 14px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(50,213,131,.14);
    }
    h1 {
      margin: 28px 0 18px;
      font-size: 52px;
      line-height: 1.08;
      letter-spacing: 0;
      max-width: 780px;
    }
    .hero-desc {
      max-width: 760px;
      color: #d9dee4;
      font-size: 18px;
      margin: 0 0 28px;
    }
    .hero-actions, .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 6px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), filter var(--ease), background var(--ease), border-color var(--ease);
    }
    .btn-primary {
      background: var(--red);
      color: #fff;
      box-shadow: 0 12px 28px rgba(232,59,59,.3);
    }
    .btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 18px 36px rgba(232,59,59,.36); }
    .btn-secondary {
      background: rgba(255,255,255,.08);
      color: #fff;
      border-color: var(--line-strong);
    }
    .btn-secondary:hover { transform: translateY(-2px); background: rgba(255,255,255,.13); box-shadow: var(--shadow-soft); }
    .btn-ghost {
      background: transparent;
      border-color: rgba(39,215,232,.42);
      color: var(--cyan);
    }
    .btn-ghost:hover { transform: translateY(-2px); background: rgba(39,215,232,.1); }
    .team-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 38px;
      max-width: 720px;
    }
    .team-cell {
      padding: 15px;
      border-radius: 7px;
      border: 1px solid var(--line);
      background: rgba(0,0,0,.2);
    }
    .team-cell strong {
      display: block;
      font-size: 24px;
      line-height: 1.1;
    }
    .team-cell span { color: var(--muted); font-size: 13px; }

    .entry-matrix {
      display: grid;
      grid-template-columns: 1fr;
      gap: 12px;
      align-content: center;
    }
    .matrix-card {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(30,34,38,.88);
      box-shadow: var(--shadow-soft);
    }
    .matrix-head, .list-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 9px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      border: 1px solid var(--line-strong);
      color: var(--silver);
      background: rgba(255,255,255,.06);
      white-space: nowrap;
    }
    .badge.red { color: #fff; background: rgba(232,59,59,.2); border-color: rgba(232,59,59,.45); }
    .badge.cyan { color: var(--cyan); background: rgba(39,215,232,.11); border-color: rgba(39,215,232,.35); }
    .badge.amber { color: var(--amber); background: rgba(255,186,58,.1); border-color: rgba(255,186,58,.36); }
    .status-row {
      display: grid;
      grid-template-columns: 76px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 10px 0;
      border-top: 1px solid rgba(255,255,255,.08);
      color: var(--muted);
    }
    .bar {
      height: 7px;
      border-radius: 999px;
      background: rgba(255,255,255,.1);
      overflow: hidden;
    }
    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--red), var(--amber));
    }

    section { padding: 78px 0; }
    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(260px, .55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }
    .section-eyebrow {
      color: var(--cyan);
      font-weight: 900;
      margin: 0 0 8px;
    }
    h2 {
      margin: 0;
      font-size: 34px;
      line-height: 1.2;
      letter-spacing: 0;
    }
    .section-desc {
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .kpi-band {
      background: rgba(255,255,255,.035);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 14px;
    }
    .kpi-card {
      grid-column: span 3;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
    }
    .kpi-card.wide { grid-column: span 6; }
    .kpi-value {
      font-size: 38px;
      line-height: 1;
      font-weight: 950;
      color: #fff;
      margin-bottom: 9px;
    }
    .kpi-card p { margin: 0; color: var(--muted); }

    .news-layout {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
    }
    .news-list, .recommend-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(30,34,38,.74);
      overflow: hidden;
    }
    .news-item {
      display: grid;
      grid-template-columns: 96px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-bottom: 1px solid rgba(255,255,255,.08);
      transition: background var(--ease);
    }
    .news-item:last-child { border-bottom: 0; }
    .news-item:hover { background: rgba(255,255,255,.055); }
    .date-box {
      border: 1px solid var(--line);
      border-radius: 6px;
      padding: 10px;
      text-align: center;
      background: rgba(0,0,0,.18);
    }
    .date-box strong { display: block; font-size: 22px; line-height: 1; }
    .date-box span { color: var(--weak); font-size: 12px; }
    .news-item h3, .service-card h3, .case-card h3, .plan-card h3, .media-card h3 {
      margin: 0 0 6px;
      font-size: 18px;
      line-height: 1.35;
    }
    .news-item p, .recommend-panel p, .service-card p, .case-card p, .plan-card p, .media-card p {
      margin: 0;
      color: var(--muted);
    }
    .recommend-panel { padding: 18px; }
    .topic-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 16px;
    }
    .tag {
      display: inline-flex;
      padding: 7px 10px;
      border-radius: 6px;
      background: rgba(255,255,255,.06);
      color: var(--silver);
      border: 1px solid var(--line);
      font-weight: 800;
      font-size: 13px;
      transition: transform var(--ease), border-color var(--ease), color var(--ease);
    }
    .tag:hover { transform: translateY(-1px); border-color: rgba(232,59,59,.5); color: #fff; }

    .service-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      align-items: stretch;
    }
    .service-card {
      min-height: 190px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      position: relative;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .service-card:hover { transform: translateY(-3px); border-color: rgba(232,59,59,.42); box-shadow: var(--shadow-soft); }
    .service-card.large { grid-row: span 2; min-height: 398px; background: linear-gradient(155deg, rgba(232,59,59,.2), rgba(30,34,38,.95) 44%); }
    .icon-tile {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 7px;
      background: rgba(232,59,59,.18);
      border: 1px solid rgba(232,59,59,.36);
      margin-bottom: 18px;
      font-weight: 950;
      color: #fff;
    }
    .check-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 10px;
    }
    .check-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      align-items: flex-start;
    }
    .check-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--cyan);
      margin-top: 8px;
      flex: 0 0 auto;
    }

    .app-section {
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .device-board {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 18px;
    }
    .device-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(30,34,38,.82);
      padding: 22px;
    }
    .device-list {
      display: grid;
      gap: 12px;
    }
    .device-item {
      display: grid;
      grid-template-columns: 44px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: 7px;
      background: rgba(255,255,255,.035);
    }
    .mini-icon {
      width: 36px;
      height: 36px;
      border-radius: 6px;
      display: grid;
      place-items: center;
      background: rgba(39,215,232,.12);
      color: var(--cyan);
      font-weight: 950;
    }
    .progress-stack {
      display: grid;
      gap: 14px;
      margin-top: 18px;
    }
    .progress-item {
      padding: 15px;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: 7px;
      background: rgba(0,0,0,.16);
    }
    .progress-label {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--silver);
      font-weight: 800;
      margin-bottom: 9px;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .case-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(30,34,38,.75);
      padding: 20px;
    }
    .score {
      display: flex;
      gap: 4px;
      margin: 14px 0 0;
    }
    .score span {
      height: 8px;
      flex: 1;
      border-radius: 999px;
      background: var(--red);
    }
    .score span.dim { background: rgba(255,255,255,.14); }

    .media-strip {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 14px;
      overflow-x: auto;
      padding-bottom: 12px;
      scrollbar-color: var(--red) rgba(255,255,255,.08);
    }
    .media-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      padding: 18px;
      min-height: 170px;
    }
    .media-type {
      width: 100%;
      height: 62px;
      border-radius: 6px;
      margin-bottom: 14px;
      border: 1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(90deg, rgba(232,59,59,.7) 0 32%, rgba(255,255,255,.12) 32% 35%, transparent 35%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.11) 0 12px, transparent 12px 24px),
        rgba(0,0,0,.2);
    }

    .plans {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .plan-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(30,34,38,.85);
      padding: 22px;
      position: relative;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .plan-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.24); box-shadow: var(--shadow-soft); }
    .plan-card.recommend {
      border-color: rgba(232,59,59,.62);
      box-shadow: 0 18px 44px rgba(232,59,59,.14);
    }
    .price {
      font-size: 40px;
      line-height: 1;
      font-weight: 950;
      margin: 18px 0 8px;
    }
    .price small { font-size: 14px; color: var(--muted); font-weight: 700; }
    .plan-card .btn { width: 100%; margin-top: 18px; }

    .faq-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 24px;
    }
    .faq-list {
      display: grid;
      gap: 12px;
    }
    details {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(30,34,38,.82);
      overflow: hidden;
    }
    summary {
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 900;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 16px;
    }
    summary::-webkit-details-marker { display: none; }
    summary::after {
      content: "+";
      color: var(--cyan);
      font-size: 22px;
      line-height: 1;
    }
    details[open] summary::after { content: "−"; }
    details p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
    }

    .final-cta {
      padding: 38px;
      border: 1px solid rgba(232,59,59,.38);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(232,59,59,.24), rgba(39,215,232,.08)),
        rgba(30,34,38,.9);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
      box-shadow: var(--shadow-soft);
    }
    .final-cta h2 { margin-bottom: 8px; }
    .final-cta p { margin: 0; color: var(--muted); }

    .site-footer {
      padding: 46px 0 34px;
      border-top: 1px solid var(--line);
      background: rgba(9,10,11,.72);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .7fr .7fr;
      gap: 28px;
    }
    .footer-title {
      font-size: 20px;
      font-weight: 950;
      margin: 0 0 10px;
    }
    .footer-text { color: var(--muted); margin: 0; }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      transition: color var(--ease), transform var(--ease);
    }
    .footer-links a:hover { color: #fff; transform: translateX(2px); }
    .copyright {
      margin-top: 30px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: var(--weak);
      font-size: 13px;
    }

    .bottom-tabs {
      display: none;
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      padding: 8px 14px calc(8px + env(safe-area-inset-bottom));
      background: rgba(17,19,21,.94);
      backdrop-filter: blur(16px);
      border-top: 1px solid var(--line);
    }
    .bottom-tabs-inner {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
      max-width: 520px;
      margin: 0 auto;
    }
    .tab-link {
      display: grid;
      place-items: center;
      gap: 3px;
      padding: 8px 10px;
      border-radius: 7px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      transition: background var(--ease), color var(--ease);
    }
    .tab-link .tab-icon {
      width: 21px;
      height: 21px;
      display: grid;
      place-items: center;
      font-size: 15px;
    }
    .tab-link.active {
      color: #fff;
      background: rgba(232,59,59,.22);
      box-shadow: inset 0 0 0 1px rgba(232,59,59,.32);
    }

    @media (max-width: 1024px) {
      h1 { font-size: 44px; }
      .hero-grid, .news-layout, .device-board, .faq-wrap, .final-cta { grid-template-columns: 1fr; }
      .hero-stage { min-height: auto; }
      .entry-matrix { grid-template-columns: repeat(2, 1fr); }
      .kpi-card, .kpi-card.wide { grid-column: span 6; }
      .case-grid, .plans { grid-template-columns: 1fr 1fr; }
      .section-head { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      body { padding-bottom: 76px; }
      .container { width: min(100% - 28px, var(--container)); }
      .site-header { height: 64px; }
      .desktop-nav, .header-action { display: none; }
      .bottom-tabs { display: block; }
      .brand-text { font-size: 16px; max-width: calc(100vw - 92px); }
      .hero { min-height: auto; padding: 34px 0 28px; }
      .hero-stage { padding: 26px 18px; }
      h1 { font-size: 34px; }
      h2 { font-size: 27px; }
      section { padding: 56px 0; }
      .hero-desc { font-size: 16px; }
      .team-strip, .entry-matrix, .service-row, .case-grid, .plans { grid-template-columns: 1fr; }
      .kpi-card, .kpi-card.wide { grid-column: span 12; }
      .news-item { grid-template-columns: 72px 1fr; }
      .news-item .badge { grid-column: 2; justify-self: start; }
      .device-item { grid-template-columns: 40px 1fr; }
      .device-item .badge { grid-column: 2; justify-self: start; }
      .final-cta { padding: 24px 18px; }
      .footer-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 520px) {
      .hero-actions, .cta-actions { flex-direction: column; }
      .btn { width: 100%; }
      .status-row { grid-template-columns: 64px 1fr; }
      .status-row .badge { grid-column: 2; justify-self: start; }
      .media-strip { grid-auto-columns: 82%; }
      .price { font-size: 34px; }
    }

/* roulang page: category1 */
:root {
      --bg: #111315;
      --bg-soft: #181b1e;
      --panel: #202428;
      --panel-light: #292e33;
      --text: #f4f5f3;
      --muted: #a7adb1;
      --faint: #737a80;
      --line: rgba(255,255,255,.12);
      --red: #f04444;
      --red-dark: #c72e35;
      --cyan: #63d4d0;
      --amber: #f3bd58;
      --green: #5fd18b;
      --radius: 8px;
      --shadow: 0 16px 34px rgba(0,0,0,.22);
      --container: 1240px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px),
        var(--bg);
      background-size: 32px 32px;
      color: var(--text);
      font-family: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.7;
      letter-spacing: 0;
      -webkit-font-smoothing: antialiased;
    }
    body:before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .22;
      background: repeating-linear-gradient(0deg, transparent 0 5px, rgba(255,255,255,.018) 6px);
      z-index: -1;
    }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    img { max-width: 100%; display: block; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(17,19,21,.94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }
    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 34px;
    }
    .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 260px; }
    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--red);
      border-radius: 6px;
      font-weight: 900;
      font-size: 15px;
      box-shadow: 4px 4px 0 rgba(240,68,68,.22);
    }
    .brand-text { font-size: 17px; font-weight: 800; letter-spacing: 0; }
    .desktop-nav { display: flex; align-items: center; gap: 8px; flex: 1; }
    .nav-link, .header-action {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 15px;
      border: 1px solid transparent;
      border-radius: 6px;
      color: var(--muted);
      font-size: 14px;
      transition: .2s ease;
    }
    .nav-link:hover, .nav-link:focus-visible {
      color: var(--text);
      background: var(--panel);
      border-color: var(--line);
    }
    .nav-link.active { color: #fff; background: rgba(240,68,68,.15); border-color: rgba(240,68,68,.4); }
    .header-action {
      color: #fff;
      background: var(--red);
      font-weight: 700;
      box-shadow: 0 5px 16px rgba(240,68,68,.2);
    }
    .header-action:hover { background: #ff5555; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(240,68,68,.3); }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 92px 0 78px;
      border-bottom: 1px solid var(--line);
      background: #17191b;
    }
    .hero:after {
      content: "";
      position: absolute;
      right: 0;
      top: 0;
      width: 42%;
      height: 100%;
      opacity: .65;
      background: repeating-linear-gradient(135deg, transparent 0 34px, rgba(99,212,208,.08) 35px 36px);
      pointer-events: none;
    }
    .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; gap: 76px; align-items: center; }
    .eyebrow, .section-kicker {
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 2px;
      text-transform: uppercase;
    }
    .hero h1 {
      max-width: 680px;
      margin: 18px 0 20px;
      font-size: 56px;
      line-height: 1.12;
      font-weight: 900;
    }
    .hero-copy { max-width: 600px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
    .btn {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 800;
      transition: .2s ease;
    }
    .btn-primary { color: #fff; background: var(--red); }
    .btn-secondary { color: var(--text); background: transparent; border-color: var(--line); }
    .btn:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 8px 18px rgba(0,0,0,.22); }
    .btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(99,212,208,.6); outline-offset: 3px; }

    .status-board {
      position: relative;
      background: #0f1112;
      border: 1px solid rgba(255,255,255,.17);
      border-radius: 8px;
      box-shadow: var(--shadow);
    }
    .board-head, .board-row { display: grid; grid-template-columns: 1.4fr .9fr .7fr; align-items: center; gap: 12px; }
    .board-head { padding: 17px 20px; color: var(--faint); font-size: 12px; border-bottom: 1px solid var(--line); }
    .board-row { padding: 18px 20px; border-bottom: 1px solid var(--line); font-size: 14px; }
    .board-row:last-child { border-bottom: 0; }
    .board-name { display: flex; align-items: center; gap: 11px; font-weight: 700; }
    .rank { color: var(--red); font-size: 12px; font-weight: 900; }
    .board-foot { padding: 15px 20px; color: var(--faint); font-size: 12px; background: rgba(255,255,255,.025); }
    .badge { display: inline-flex; align-items: center; width: fit-content; padding: 3px 9px; border-radius: 99px; font-size: 11px; line-height: 1.5; font-weight: 800; }
    .badge-live { color: var(--green); background: rgba(95,209,139,.12); }
    .badge-ready { color: var(--cyan); background: rgba(99,212,208,.12); }
    .badge-wait { color: var(--amber); background: rgba(243,189,88,.13); }

    .section { padding: 88px 0; }
    .section.alt { background: #181b1d; border-block: 1px solid var(--line); }
    .section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 34px; }
    .section-heading h2 { margin-top: 8px; font-size: 34px; line-height: 1.25; }
    .section-heading p { max-width: 490px; color: var(--muted); font-size: 14px; }

    .filter-bar {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 28px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--panel);
    }
    .filter-label { color: var(--faint); font-size: 12px; margin-right: 3px; }
    .filter-btn {
      min-height: 34px;
      padding: 0 12px;
      color: var(--muted);
      background: transparent;
      border: 1px solid var(--line);
      border-radius: 5px;
      font-size: 12px;
      transition: .2s ease;
    }
    .filter-btn:hover, .filter-btn.active { color: #fff; border-color: var(--red); background: rgba(240,68,68,.14); }
    .filter-spacer { flex: 1; }

    .entry-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
    .entry-card {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 19px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      transition: .2s ease;
    }
    .entry-card:hover { border-color: rgba(240,68,68,.55); transform: translateY(-3px); box-shadow: var(--shadow); }
    .entry-index {
      width: 72px;
      height: 72px;
      display: grid;
      place-items: center;
      color: var(--red);
      background: #151719;
      border: 1px solid rgba(240,68,68,.35);
      border-radius: 6px;
      font-size: 23px;
      font-weight: 900;
    }
    .entry-top { display: flex; justify-content: space-between; gap: 10px; align-items: start; }
    .entry-card h3 { font-size: 18px; line-height: 1.35; }
    .entry-card p { min-height: 48px; margin: 8px 0 14px; color: var(--muted); font-size: 13px; }
    .entry-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--faint); font-size: 12px; }
    .entry-card .btn { min-height: 36px; padding: 0 13px; font-size: 12px; margin-top: 16px; }

    .signal-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
    .signal-item { padding: 20px; border-left: 3px solid var(--cyan); background: #202427; }
    .signal-item:nth-child(2) { border-color: var(--red); }
    .signal-item:nth-child(3) { border-color: var(--amber); }
    .signal-item:nth-child(4) { border-color: var(--green); }
    .signal-item strong { display: block; margin: 8px 0 4px; font-size: 17px; }
    .signal-item p { color: var(--muted); font-size: 13px; }

    .steps { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
    .step { min-height: 170px; padding: 24px 28px 20px 0; border-right: 1px solid var(--line); }
    .step:not(:first-child) { padding-left: 28px; }
    .step:last-child { border-right: 0; }
    .step-num { color: var(--red); font-size: 13px; font-weight: 900; }
    .step h3 { margin: 18px 0 8px; font-size: 19px; }
    .step p { color: var(--muted); font-size: 13px; }

    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item button {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 0;
      color: var(--text);
      background: transparent;
      border: 0;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
    }
    .faq-item button span:last-child { color: var(--red); font-size: 22px; line-height: 1; }
    .faq-answer { display: none; max-width: 760px; padding: 0 44px 20px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }

    .cta {
      padding: 58px 0;
      background: var(--red);
      color: #fff;
    }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; }
    .cta h2 { font-size: 30px; line-height: 1.3; }
    .cta p { margin-top: 8px; color: rgba(255,255,255,.78); font-size: 14px; }
    .cta .btn-secondary { color: #fff; border-color: rgba(255,255,255,.5); }

    .site-footer { padding: 52px 0 25px; background: #0d0f10; border-top: 1px solid var(--line); }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 44px; }
    .footer-title { margin-bottom: 12px; font-size: 15px; font-weight: 800; }
    .footer-text { max-width: 420px; color: var(--muted); font-size: 13px; }
    .footer-links { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
    .footer-links a:hover { color: var(--red); }
    .copyright { margin-top: 42px; padding-top: 18px; color: var(--faint); border-top: 1px solid var(--line); font-size: 12px; }

    .bottom-tabs { display: none; }

    @media (max-width: 1024px) {
      .hero-grid { gap: 38px; }
      .hero h1 { font-size: 47px; }
      .signal-grid { grid-template-columns: repeat(2,1fr); }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      .nav-wrap { min-height: 66px; gap: 12px; }
      .brand { min-width: 0; flex: 1; }
      .brand-text { font-size: 14px; }
      .desktop-nav { display: none; }
      .header-action { padding: 0 12px; font-size: 12px; }
      .hero { padding: 62px 0 56px; }
      .hero-grid { grid-template-columns: 1fr; gap: 42px; }
      .hero h1 { font-size: 40px; }
      .hero-copy { font-size: 15px; }
      .section { padding: 62px 0; }
      .section-heading { display: block; }
      .section-heading h2 { font-size: 28px; }
      .section-heading p { margin-top: 12px; }
      .entry-list { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .step, .step:not(:first-child) { min-height: auto; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
      .step:last-child { border-bottom: 0; }
      .cta-inner { display: block; }
      .cta .btn { margin-top: 22px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
      .footer-grid > div:first-child { grid-column: 1 / -1; }
      .bottom-tabs {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 30;
        display: grid;
        grid-template-columns: repeat(2,1fr);
        padding: 8px 14px calc(8px + env(safe-area-inset-bottom));
        background: rgba(13,15,16,.97);
        border-top: 1px solid var(--line);
      }
      .bottom-tabs a { display: grid; justify-items: center; gap: 1px; color: var(--faint); font-size: 11px; }
      .bottom-tabs a.active { color: var(--red); }
      .tab-icon { font-size: 18px; line-height: 1.2; }
      body { padding-bottom: 64px; }
    }
    @media (max-width: 520px) {
      .hero h1 { font-size: 34px; }
      .hero-actions { display: grid; grid-template-columns: 1fr; }
      .hero-actions .btn { width: 100%; }
      .board-head, .board-row { grid-template-columns: 1.25fr .85fr .65fr; padding-inline: 14px; gap: 7px; }
      .board-row { font-size: 12px; }
      .entry-card { grid-template-columns: 1fr; }
      .entry-index { width: 48px; height: 38px; font-size: 16px; }
      .entry-top { display: block; }
      .entry-top .badge { margin-top: 9px; }
      .signal-grid { grid-template-columns: 1fr; }
      .filter-spacer { display: none; }
      .filter-bar { align-items: flex-start; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-grid > div:first-child { grid-column: auto; }
    }