/* roulang page: index */
:root {
      --bg: #0b0c0f;
      --bg-soft: #12141a;
      --panel: #171a21;
      --panel-strong: #1f232c;
      --metal: #2b303a;
      --line: rgba(225, 232, 240, 0.13);
      --line-bright: rgba(95, 232, 255, 0.36);
      --text: #f2f5f7;
      --muted: #aab2bf;
      --weak: #747d8c;
      --red: #d7193f;
      --red-dark: #8e1028;
      --cyan: #37dff5;
      --amber: #f2a51a;
      --green: #4dd27c;
      --radius: 8px;
      --radius-sm: 5px;
      --shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
      --shadow-hard: 0 8px 0 rgba(0, 0, 0, 0.22);
      --container: 1180px;
      --header-h: 116px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
      background:
        linear-gradient(135deg, rgba(215, 25, 63, 0.13), transparent 28%),
        radial-gradient(circle at 82% 10%, rgba(55, 223, 245, 0.12), transparent 28%),
        var(--bg);
      color: var(--text);
      line-height: 1.72;
      letter-spacing: 0;
      min-width: 320px;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    input {
      width: 100%;
      outline: 0;
    }

    ::selection {
      background: rgba(215, 25, 63, 0.75);
      color: #fff;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(11, 12, 15, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
    }

    .brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 62px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      color: var(--text);
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--red), #610b1c 58%, var(--cyan));
      border: 1px solid rgba(255, 255, 255, 0.22);
      box-shadow: 0 0 20px rgba(215, 25, 63, 0.26);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px 7px;
      border-top: 2px solid #fff;
      border-bottom: 2px solid rgba(55, 223, 245, 0.9);
      transform: skewX(-18deg);
    }

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

    .brand-text strong {
      font-size: 17px;
      letter-spacing: 0;
    }

    .brand-text span {
      font-size: 12px;
      color: var(--muted);
      font-weight: 600;
    }

    .top-search {
      width: min(460px, 42vw);
      display: flex;
      align-items: center;
      gap: 8px;
      background: #0f1116;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 8px;
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .top-search:focus-within {
      border-color: var(--line-bright);
      box-shadow: 0 0 0 3px rgba(55, 223, 245, 0.09);
    }

    .top-search input {
      background: transparent;
      border: 0;
      color: var(--text);
      padding: 8px 6px;
      min-width: 0;
    }

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

    .search-btn {
      flex: 0 0 auto;
      border-radius: var(--radius-sm);
      background: var(--red);
      color: #fff;
      font-weight: 800;
      padding: 8px 13px;
      transition: transform var(--ease), background var(--ease);
    }

    .search-btn:hover {
      background: #f0244e;
      transform: translateY(-1px);
    }

    .nav-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 54px;
      overflow: hidden;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .main-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 13px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: color var(--ease), background var(--ease), border-color var(--ease);
    }

    .nav-link:hover,
    .nav-link.active {
      color: #fff;
      background: rgba(215, 25, 63, 0.16);
      border-color: rgba(215, 25, 63, 0.42);
    }

    .trend-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--weak);
      font-size: 13px;
      white-space: nowrap;
      overflow: hidden;
    }

    .trend-label {
      color: var(--amber);
      font-weight: 900;
    }

    .trend-item {
      color: var(--muted);
      border: 1px solid rgba(242, 165, 26, 0.26);
      background: rgba(242, 165, 26, 0.08);
      border-radius: 999px;
      padding: 4px 9px;
    }

    .hero {
      padding: 46px 0 34px;
      border-bottom: 1px solid var(--line);
    }

    .hero-panel {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
      gap: 22px;
      align-items: stretch;
      background:
        linear-gradient(100deg, rgba(31, 35, 44, 0.96), rgba(14, 16, 22, 0.98)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 70px);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow), var(--shadow-hard);
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 5px;
      height: 100%;
      background: linear-gradient(180deg, var(--red), var(--cyan));
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      color: var(--cyan);
      background: rgba(55, 223, 245, 0.09);
      border: 1px solid rgba(55, 223, 245, 0.24);
      border-radius: var(--radius-sm);
      padding: 5px 10px;
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .hero h1 {
      margin: 0;
      max-width: 760px;
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.08;
      font-weight: 1000;
      letter-spacing: 0;
    }

    .hero-copy {
      margin: 18px 0 0;
      max-width: 780px;
      color: var(--muted);
      font-size: 16px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 900;
      color: #fff;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--red), #a4112e);
      box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.09), 0 14px 24px rgba(215, 25, 63, 0.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, #f0244e, var(--red-dark));
    }

    .btn-secondary {
      background: rgba(55, 223, 245, 0.08);
      border-color: rgba(55, 223, 245, 0.34);
      color: var(--cyan);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(55, 223, 245, 0.14);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.04);
      border-color: var(--line);
      color: var(--text);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, 0.24);
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 24px;
    }

    .stat {
      border: 1px solid var(--line);
      background: rgba(0, 0, 0, 0.22);
      border-radius: var(--radius-sm);
      padding: 12px;
    }

    .stat strong {
      display: block;
      color: var(--text);
      font-size: 22px;
      line-height: 1;
      font-weight: 1000;
    }

    .stat span {
      display: block;
      margin-top: 6px;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.35;
    }

    .hero-board {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      align-content: start;
    }

    .board-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border-bottom: 1px solid var(--line);
      padding-bottom: 10px;
      color: var(--text);
      font-weight: 1000;
    }

    .board-title small {
      color: var(--green);
      font-weight: 900;
    }

    .rank-row {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 12px;
      border: 1px solid var(--line);
      background: rgba(0, 0, 0, 0.22);
      border-radius: var(--radius-sm);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .rank-row:hover {
      transform: translateY(-2px);
      border-color: var(--line-bright);
      background: rgba(55, 223, 245, 0.06);
    }

    .rank-no {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: rgba(215, 25, 63, 0.16);
      color: #fff;
      font-weight: 1000;
      border: 1px solid rgba(215, 25, 63, 0.34);
    }

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

    .rank-main span {
      color: var(--weak);
      font-size: 13px;
    }

    .rank-tag {
      color: var(--amber);
      font-size: 12px;
      font-weight: 900;
      border: 1px solid rgba(242, 165, 26, 0.32);
      border-radius: 999px;
      padding: 3px 8px;
      white-space: nowrap;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 58px 0;
      border-bottom: 1px solid var(--line);
    }

    .section.alt {
      background: rgba(255, 255, 255, 0.025);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.42fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 24px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.22;
      font-weight: 1000;
    }

    .section-desc {
      margin: 10px 0 0;
      color: var(--muted);
      max-width: 760px;
    }

    .section-note {
      color: var(--weak);
      border-left: 3px solid var(--red);
      padding-left: 14px;
      font-size: 14px;
    }

    .countdown-grid {
      display: grid;
      grid-template-columns: 1.1fr repeat(4, 1fr);
      gap: 12px;
    }

    .count-card {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
      min-height: 128px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .count-card.lead {
      background: linear-gradient(135deg, rgba(215, 25, 63, 0.22), rgba(31, 35, 44, 0.96));
      border-color: rgba(215, 25, 63, 0.4);
    }

    .count-card strong {
      font-size: 30px;
      line-height: 1;
      font-weight: 1000;
    }

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

    .highlight-wall {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 14px;
    }

    .feature-card {
      grid-column: span 4;
      min-height: 186px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, var(--panel), #111319);
      border-radius: var(--radius);
      padding: 18px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .feature-card.large {
      grid-column: span 6;
    }

    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(55, 223, 245, 0.34);
      box-shadow: 0 18px 34px rgba(0, 0, 0, 0.28);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 9px;
      border-radius: 999px;
      background: rgba(55, 223, 245, 0.08);
      color: var(--cyan);
      border: 1px solid rgba(55, 223, 245, 0.25);
      font-size: 12px;
      font-weight: 900;
    }

    .badge.hot {
      background: rgba(242, 165, 26, 0.08);
      color: var(--amber);
      border-color: rgba(242, 165, 26, 0.28);
    }

    .feature-card h3,
    .plan-card h3,
    .news-card h3,
    .quote-card h3 {
      margin: 14px 0 8px;
      font-size: 19px;
      line-height: 1.35;
    }

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

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

    .plan-card {
      position: relative;
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius);
      padding: 20px;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease);
    }

    .plan-card.active {
      border-color: rgba(215, 25, 63, 0.55);
      background: linear-gradient(180deg, rgba(215, 25, 63, 0.14), var(--panel));
    }

    .plan-card:hover {
      transform: translateY(-3px);
      border-color: rgba(255, 255, 255, 0.22);
    }

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

    .plan-price {
      font-size: 28px;
      font-weight: 1000;
      color: #fff;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 16px 0 0;
      display: grid;
      gap: 10px;
    }

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

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      width: 9px;
      height: 9px;
      background: var(--cyan);
      border-radius: 2px;
      box-shadow: 0 0 12px rgba(55, 223, 245, 0.55);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 18px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 14px;
      align-items: center;
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius);
      padding: 12px;
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .news-item:hover {
      transform: translateY(-2px);
      border-color: rgba(55, 223, 245, 0.32);
      background: var(--panel-strong);
    }

    .cover {
      aspect-ratio: 16 / 9;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.1);
      background:
        linear-gradient(135deg, rgba(215, 25, 63, 0.38), transparent 55%),
        linear-gradient(160deg, #2b303a, #101218);
      position: relative;
      overflow: hidden;
    }

    .cover::before,
    .cover::after {
      content: "";
      position: absolute;
      height: 2px;
      width: 70%;
      left: 15%;
      background: rgba(255, 255, 255, 0.2);
      transform: skewX(-18deg);
    }

    .cover::before {
      top: 34%;
    }

    .cover::after {
      top: 58%;
      background: rgba(55, 223, 245, 0.4);
    }

    .news-text strong {
      display: block;
      line-height: 1.4;
      font-size: 16px;
    }

    .news-text span {
      display: block;
      margin-top: 5px;
      color: var(--weak);
      font-size: 13px;
    }

    .news-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--amber);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .side-panel {
      border: 1px solid var(--line);
      background: linear-gradient(180deg, var(--panel), #101218);
      border-radius: var(--radius);
      padding: 16px;
      position: sticky;
      top: calc(var(--header-h) + 16px);
    }

    .side-panel h3 {
      margin: 0 0 12px;
      font-size: 18px;
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.035);
      color: var(--muted);
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 13px;
      transition: border-color var(--ease), color var(--ease), background var(--ease);
    }

    .tag:hover {
      border-color: rgba(242, 165, 26, 0.46);
      color: var(--amber);
      background: rgba(242, 165, 26, 0.08);
    }

    .data-grid {
      display: grid;
      grid-template-columns: 0.88fr 1.12fr;
      gap: 16px;
    }

    .kpi-panel,
    .timeline-panel {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius);
      padding: 18px;
    }

    .kpi-bars {
      display: grid;
      gap: 14px;
      margin-top: 18px;
    }

    .kpi-row {
      display: grid;
      grid-template-columns: 88px 1fr 46px;
      align-items: center;
      gap: 12px;
      color: var(--muted);
      font-size: 14px;
    }

    .bar {
      height: 10px;
      background: #0f1116;
      border-radius: 999px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

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

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

    .timeline-item {
      display: grid;
      grid-template-columns: 90px 1fr;
      gap: 14px;
      border-left: 2px solid rgba(215, 25, 63, 0.56);
      padding-left: 14px;
    }

    .timeline-item time {
      color: var(--cyan);
      font-size: 13px;
      font-weight: 900;
    }

    .timeline-item strong {
      display: block;
      line-height: 1.35;
    }

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

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

    .quote-card {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius);
      padding: 18px;
    }

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

    .quote-card cite {
      display: block;
      margin-top: 14px;
      color: var(--cyan);
      font-style: normal;
      font-weight: 900;
      font-size: 13px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      border: 1px solid rgba(215, 25, 63, 0.48);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(215, 25, 63, 0.22), rgba(55, 223, 245, 0.08)),
        var(--panel);
      padding: 26px;
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.22;
    }

    .cta-panel p {
      margin: 10px 0 0;
      color: var(--muted);
      max-width: 720px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius);
      padding: 18px;
    }

    .faq-item h3 {
      margin: 0 0 8px;
      font-size: 17px;
      line-height: 1.4;
    }

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

    .site-footer {
      background: #08090c;
      border-top: 1px solid var(--line);
      padding: 34px 0 24px;
    }

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

    .footer-brand {
      font-weight: 1000;
      font-size: 18px;
      margin-bottom: 8px;
    }

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

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

    .footer-links a {
      color: var(--muted);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 7px 10px;
      font-size: 13px;
      transition: color var(--ease), border-color var(--ease);
    }

    .footer-links a:hover {
      color: var(--cyan);
      border-color: rgba(55, 223, 245, 0.36);
    }

    .copyright {
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--weak);
      font-size: 13px;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
    }

    @media (max-width: 1280px) {
      .container {
        width: min(1080px, calc(100% - 36px));
      }

      .hero-panel {
        grid-template-columns: 1fr 0.82fr;
      }
    }

    @media (max-width: 1024px) {
      :root {
        --header-h: 154px;
      }

      .brand-row {
        flex-wrap: wrap;
        padding: 12px 0;
      }

      .top-search {
        order: 3;
        width: 100%;
      }

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

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

      .count-card.lead {
        grid-column: 1 / -1;
      }

      .feature-card,
      .feature-card.large {
        grid-column: span 6;
      }

      .side-panel {
        position: static;
      }

      .cta-actions {
        justify-content: flex-start;
      }
    }

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

      .nav-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        padding: 10px 0 12px;
      }

      .trend-bar {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .hero {
        padding-top: 28px;
      }

      .hero-panel {
        padding: 20px;
      }

      .hero-stats,
      .plans,
      .quote-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .feature-card,
      .feature-card.large {
        grid-column: 1 / -1;
      }

      .news-item {
        grid-template-columns: 92px 1fr;
      }

      .news-meta {
        grid-column: 2;
      }

      .section {
        padding: 44px 0;
      }
    }

    @media (max-width: 520px) {
      .brand-logo {
        align-items: flex-start;
        white-space: normal;
      }

      .brand-text strong {
        font-size: 15px;
      }

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

      .btn {
        width: 100%;
      }

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

      .rank-row {
        grid-template-columns: 34px 1fr;
      }

      .rank-tag {
        grid-column: 2;
        width: fit-content;
      }

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

      .news-meta {
        grid-column: auto;
      }

      .cover {
        width: 100%;
      }

      .kpi-row {
        grid-template-columns: 72px 1fr 40px;
        gap: 8px;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 4px;
      }

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

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

/* roulang page: category1 */
:root {
      --bg: #0d0e10;
      --bg-soft: #15171b;
      --bg-panel: #1b1e23;
      --bg-line: #252a31;
      --text: #f2f4f6;
      --text-soft: #c6ccd4;
      --muted: #8b94a1;
      --red: #d8343f;
      --red-dark: #9d1f2b;
      --cyan: #21d3df;
      --amber: #f2ad3d;
      --border: rgba(255, 255, 255, 0.12);
      --border-bright: rgba(33, 211, 223, 0.45);
      --shadow: 0 18px 42px rgba(0, 0, 0, 0.35);
      --shadow-hard: 0 12px 0 rgba(0, 0, 0, 0.22);
      --radius: 8px;
      --radius-sm: 5px;
      --container: 1180px;
      --header-h: 118px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(216, 52, 63, 0.10), transparent 280px),
        radial-gradient(circle at 88% 4%, rgba(33, 211, 223, 0.12), transparent 300px),
        var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.72;
      letter-spacing: 0;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      color: #111;
      background: var(--cyan);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(13, 14, 16, 0.94);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(14px);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
    }

    .brand-strip {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      font-size: 18px;
      line-height: 1.2;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-logo::before {
      content: "";
      width: 14px;
      height: 24px;
      border: 2px solid var(--red);
      border-right-color: var(--cyan);
      transform: skewX(-12deg);
      box-shadow: 0 0 16px rgba(216, 52, 63, 0.55);
    }

    .header-tools {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .search-box {
      position: relative;
      width: 310px;
      max-width: 36vw;
    }

    .search-box input {
      width: 100%;
      height: 38px;
      padding: 0 42px 0 14px;
      color: var(--text);
      background: #101216;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .search-box input:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(33, 211, 223, 0.15);
      background: #141820;
    }

    .search-box button {
      position: absolute;
      right: 4px;
      top: 4px;
      width: 30px;
      height: 30px;
      color: var(--cyan);
      background: transparent;
      border: 0;
      border-radius: var(--radius-sm);
    }

    .search-box button:hover,
    .search-box button:focus-visible {
      background: rgba(33, 211, 223, 0.13);
      outline: none;
    }

    .quick-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 38px;
      padding: 0 14px;
      color: #121212;
      font-weight: 800;
      background: var(--amber);
      border: 1px solid rgba(242, 173, 61, 0.6);
      border-radius: var(--radius-sm);
      transition: transform var(--ease), filter var(--ease), box-shadow var(--ease);
      white-space: nowrap;
    }

    .quick-action:hover,
    .quick-action:focus-visible {
      transform: translateY(-1px);
      filter: brightness(1.05);
      box-shadow: 0 0 18px rgba(242, 173, 61, 0.24);
      outline: none;
    }

    .nav-row {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      overflow: hidden;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .main-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      height: 34px;
      padding: 0 14px;
      color: var(--text-soft);
      font-weight: 700;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      transition: color var(--ease), border-color var(--ease), background var(--ease);
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--text);
      border-color: var(--border);
      background: rgba(255, 255, 255, 0.05);
      outline: none;
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(216, 52, 63, 0.95), rgba(157, 31, 43, 0.96));
      border-color: rgba(255, 255, 255, 0.18);
      box-shadow: inset 0 -2px 0 rgba(33, 211, 223, 0.4);
    }

    .trend-line {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
    }

    .trend-line strong {
      color: var(--amber);
      font-size: 12px;
    }

    .trend-line a {
      color: var(--text-soft);
      padding: 3px 8px;
      border: 1px solid rgba(242, 173, 61, 0.22);
      border-radius: 999px;
      background: rgba(242, 173, 61, 0.08);
      transition: color var(--ease), border-color var(--ease), background var(--ease);
    }

    .trend-line a:hover,
    .trend-line a:focus-visible {
      color: var(--amber);
      border-color: rgba(242, 173, 61, 0.5);
      background: rgba(242, 173, 61, 0.14);
      outline: none;
    }

    .page-hero {
      border-bottom: 1px solid var(--border);
      background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.06), transparent 38%),
        linear-gradient(135deg, rgba(216, 52, 63, 0.20), rgba(33, 211, 223, 0.05));
    }

    .hero-bar {
      padding: 34px 0 30px;
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
      gap: 28px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin: 0 0 12px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 900;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 28px;
      height: 2px;
      background: var(--red);
      box-shadow: 0 0 12px rgba(216, 52, 63, 0.65);
    }

    h1 {
      margin: 0;
      max-width: 860px;
      font-size: clamp(30px, 4vw, 54px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-summary {
      max-width: 760px;
      margin: 16px 0 0;
      color: var(--text-soft);
      font-size: 17px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      font-weight: 850;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease), color var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--red), var(--red-dark));
      border-color: rgba(255, 255, 255, 0.16);
      box-shadow: 0 10px 24px rgba(216, 52, 63, 0.18);
    }

    .btn-secondary {
      color: var(--cyan);
      background: rgba(33, 211, 223, 0.08);
      border-color: rgba(33, 211, 223, 0.28);
    }

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

    .btn-primary:hover,
    .btn-primary:focus-visible {
      box-shadow: 0 14px 26px rgba(216, 52, 63, 0.28);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(33, 211, 223, 0.14);
      border-color: var(--cyan);
    }

    .hero-panel {
      background: rgba(21, 23, 27, 0.78);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-hard);
      overflow: hidden;
    }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      min-height: 44px;
      padding: 0 14px;
      background: rgba(255, 255, 255, 0.045);
      border-bottom: 1px solid var(--border);
    }

    .panel-head strong {
      font-size: 14px;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 14px rgba(33, 211, 223, 0.9);
    }

    .panel-body {
      padding: 14px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .metric {
      padding: 12px;
      min-height: 86px;
      background: #111318;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
    }

    .metric b {
      display: block;
      color: var(--text);
      font-size: 22px;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    main {
      background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 48%, transparent);
    }

    .section {
      padding: 58px 0;
    }

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

    .section-header {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(240px, 0.48fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 22px;
    }

    .section-kicker {
      margin: 0 0 7px;
      color: var(--amber);
      font-weight: 900;
      font-size: 13px;
    }

    h2 {
      margin: 0;
      color: var(--text);
      font-size: clamp(24px, 2.6vw, 36px);
      line-height: 1.22;
      font-weight: 940;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 0;
      color: var(--text-soft);
    }

    .filter-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 14px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-hard);
    }

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

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 30px;
      padding: 0 10px;
      color: var(--text-soft);
      font-size: 13px;
      font-weight: 750;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.035);
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }

    .tag:hover,
    .tag:focus-visible {
      color: var(--cyan);
      border-color: rgba(33, 211, 223, 0.55);
      background: rgba(33, 211, 223, 0.08);
      transform: translateY(-1px);
      outline: none;
    }

    .tag.is-active,
    .badge.hot {
      color: #111;
      background: var(--amber);
      border-color: var(--amber);
    }

    .sort-tabs {
      display: inline-flex;
      padding: 3px;
      background: #101216;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
    }

    .sort-tabs button {
      min-height: 32px;
      padding: 0 11px;
      color: var(--muted);
      background: transparent;
      border: 0;
      border-radius: 4px;
      font-weight: 800;
      transition: color var(--ease), background var(--ease);
    }

    .sort-tabs button:hover,
    .sort-tabs button:focus-visible {
      color: var(--text);
      outline: none;
    }

    .sort-tabs button.active {
      color: #fff;
      background: var(--red);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      gap: 22px;
      align-items: start;
      margin-top: 22px;
    }

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

    .update-card {
      min-width: 0;
      background: var(--bg-panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-hard);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .update-card:hover {
      transform: translateY(-3px);
      border-color: rgba(33, 211, 223, 0.42);
      box-shadow: 0 0 0 1px rgba(33, 211, 223, 0.10), var(--shadow);
    }

    .cover {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(216, 52, 63, 0.42), transparent 46%),
        linear-gradient(315deg, rgba(33, 211, 223, 0.22), transparent 44%),
        #101216;
      border-bottom: 1px solid var(--border);
    }

    .cover::before {
      content: "";
      position: absolute;
      inset: 16px;
      border: 1px solid rgba(255, 255, 255, 0.13);
      transform: skewX(-9deg);
    }

    .cover::after {
      content: "精选入口";
      position: absolute;
      left: 12px;
      bottom: 12px;
      min-height: 26px;
      padding: 2px 9px;
      color: #111;
      font-size: 12px;
      font-weight: 900;
      background: var(--cyan);
      border-radius: 4px;
    }

    .card-body {
      padding: 15px;
    }

    .meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .update-card h3 {
      margin: 0 0 8px;
      color: var(--text);
      font-size: 18px;
      line-height: 1.35;
      font-weight: 900;
    }

    .update-card p {
      margin: 0;
      color: var(--text-soft);
      font-size: 14px;
    }

    .load-more {
      display: flex;
      justify-content: center;
      margin-top: 18px;
    }

    .side-panel {
      position: sticky;
      top: calc(var(--header-h) + 18px);
      padding: 16px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-hard);
    }

    .side-panel h3 {
      margin: 0 0 12px;
      font-size: 18px;
      line-height: 1.3;
    }

    .hot-list {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .hot-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px;
      color: var(--text-soft);
      background: #111318;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      transition: border-color var(--ease), color var(--ease), transform var(--ease);
    }

    .hot-list a:hover,
    .hot-list a:focus-visible {
      color: var(--text);
      border-color: rgba(242, 173, 61, 0.48);
      transform: translateX(2px);
      outline: none;
    }

    .hot-list small {
      color: var(--amber);
      font-weight: 900;
    }

    .story-band {
      background: #101216;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .story-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
      gap: 28px;
      align-items: center;
    }

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

    .rule-item {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      gap: 12px;
      padding: 14px;
      background: var(--bg-panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
    }

    .rule-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      color: #fff;
      font-weight: 950;
      background: var(--red);
      border-radius: 4px;
      box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.22);
    }

    .rule-item strong {
      display: block;
      margin-bottom: 3px;
      color: var(--text);
    }

    .rule-item span {
      display: block;
      color: var(--text-soft);
      font-size: 14px;
    }

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

    .trust-card {
      padding: 18px;
      min-height: 150px;
      background: var(--bg-panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-hard);
      transition: transform var(--ease), border-color var(--ease);
    }

    .trust-card:hover {
      transform: translateY(-2px);
      border-color: rgba(216, 52, 63, 0.44);
    }

    .trust-card b {
      display: block;
      margin-bottom: 8px;
      color: var(--cyan);
      font-size: 26px;
      line-height: 1;
    }

    .trust-card strong {
      display: block;
      margin-bottom: 7px;
      color: var(--text);
      font-size: 17px;
    }

    .trust-card p {
      margin: 0;
      color: var(--text-soft);
      font-size: 14px;
    }

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

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

    .faq-item summary {
      cursor: pointer;
      padding: 16px 18px;
      color: var(--text);
      font-weight: 900;
      list-style: none;
      transition: color var(--ease), background var(--ease);
    }

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

    .faq-item summary::after {
      content: "+";
      float: right;
      color: var(--cyan);
      font-weight: 950;
    }

    .faq-item[open] summary {
      color: var(--cyan);
      background: rgba(33, 211, 223, 0.06);
    }

    .faq-item[open] summary::after {
      content: "-";
    }

    .faq-item p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--text-soft);
    }

    .cta-band {
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 20px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(216, 52, 63, 0.24), rgba(33, 211, 223, 0.08)),
        var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .cta-band h2 {
      font-size: clamp(24px, 3vw, 38px);
    }

    .cta-band p {
      margin: 9px 0 0;
      color: var(--text-soft);
    }

    .site-footer {
      padding: 42px 0 28px;
      background: #090a0c;
      border-top: 1px solid var(--border);
    }

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

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

    .footer-copy {
      max-width: 680px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px 14px;
    }

    .footer-links a {
      color: var(--text-soft);
      font-size: 14px;
      transition: color var(--ease);
    }

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

    .copyright {
      margin-top: 24px;
      padding-top: 18px;
      color: var(--muted);
      font-size: 13px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    @media (max-width: 1280px) {
      .container {
        width: min(100% - 32px, 1080px);
      }

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

    @media (max-width: 1024px) {
      :root {
        --header-h: 160px;
      }

      .brand-strip {
        align-items: flex-start;
        padding: 12px 0;
        flex-direction: column;
      }

      .header-tools {
        width: 100%;
      }

      .search-box {
        flex: 1;
        max-width: none;
        width: auto;
      }

      .nav-row {
        align-items: flex-start;
        flex-direction: column;
        padding: 10px 0 12px;
        gap: 10px;
      }

      .trend-line {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .hero-bar,
      .section-header,
      .story-grid,
      .content-layout {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
      }
    }

    @media (max-width: 768px) {
      body {
        font-size: 15px;
      }

      .container {
        width: min(100% - 24px, 100%);
      }

      .quick-action {
        display: none;
      }

      .main-nav {
        width: 100%;
      }

      .nav-link {
        padding: 0 12px;
      }

      .hero-bar {
        padding: 28px 0 24px;
      }

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

      .filter-shell,
      .cta-band,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .sort-tabs {
        width: 100%;
        justify-content: space-between;
      }

      .sort-tabs button {
        flex: 1;
      }

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

      .section {
        padding: 42px 0;
      }

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

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

    @media (max-width: 480px) {
      h1 {
        font-size: 28px;
      }

      .brand-logo {
        white-space: normal;
      }

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

      .btn {
        width: 100%;
      }

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

      .cta-band {
        padding: 24px 18px;
      }

      .rule-item {
        grid-template-columns: 32px minmax(0, 1fr);
      }

      .rule-index {
        width: 32px;
        height: 32px;
      }
    }