/* roulang page: index */
:root {
      --bg: #08080d;
      --bg-soft: #0d0d14;
      --bg-panel: #14141f;
      --bg-panel-2: #191724;
      --text: #f5f5f7;
      --muted: #b8b8c7;
      --weak: #7d7d8f;
      --line: rgba(255, 255, 255, 0.09);
      --line-strong: rgba(255, 78, 158, 0.42);
      --primary: #e63672;
      --primary-2: #ff4e9e;
      --violet: #8b5cf6;
      --cyan: #42d7ff;
      --amber: #f2b84b;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 22px 60px rgba(0, 0, 0, 0.36);
      --glow: 0 0 24px rgba(255, 78, 158, 0.22);
      --container: 1180px;
      --nav-height: 72px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      background:
        radial-gradient(circle at 16% 8%, rgba(230, 54, 114, 0.18), transparent 32%),
        radial-gradient(circle at 84% 10%, rgba(66, 215, 255, 0.10), transparent 28%),
        linear-gradient(180deg, #08080d 0%, #0d0d14 48%, #08080d 100%);
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      letter-spacing: 0;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-height);
      border-bottom: 1px solid rgba(255, 78, 158, 0.22);
      background: rgba(8, 8, 13, 0.82);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 18px;
      white-space: nowrap;
    }

    .logo-mark {
      width: 30px;
      height: 30px;
      border: 1px solid rgba(255, 78, 158, 0.7);
      border-radius: var(--radius-sm);
      position: relative;
      background:
        linear-gradient(135deg, rgba(230, 54, 114, 0.22), rgba(66, 215, 255, 0.10)),
        #11111a;
      box-shadow: var(--glow);
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 10px;
      top: 7px;
      width: 0;
      height: 0;
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
      border-left: 10px solid var(--primary-2);
      filter: drop-shadow(0 0 8px rgba(255, 78, 158, 0.7));
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      right: 5px;
      bottom: 5px;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 10px rgba(66, 215, 255, 0.7);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }

    .desktop-nav a,
    .mobile-panel a {
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      border-radius: var(--radius-sm);
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    .desktop-nav a {
      padding: 10px 13px;
      border: 1px solid transparent;
    }

    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: var(--text);
      background: rgba(255, 255, 255, 0.055);
      border-color: rgba(255, 78, 158, 0.28);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      color: #fff;
      font-size: 14px;
      font-weight: 750;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 12px 30px rgba(230, 54, 114, 0.28);
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .nav-action:hover {
      transform: translateY(-1px);
      box-shadow: 0 16px 38px rgba(255, 78, 158, 0.36);
    }

    .menu-toggle {
      display: none;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--text);
      background: rgba(255, 255, 255, 0.05);
    }

    .menu-icon,
    .menu-icon::before,
    .menu-icon::after {
      width: 18px;
      height: 2px;
      display: block;
      background: var(--text);
      border-radius: 99px;
      transition: transform .2s ease;
    }

    .menu-icon {
      position: relative;
    }

    .menu-icon::before,
    .menu-icon::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-icon::before {
      top: -6px;
    }

    .menu-icon::after {
      top: 6px;
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(8, 8, 13, 0.97);
    }

    .mobile-panel.open {
      display: block;
    }

    .mobile-panel .container {
      display: grid;
      gap: 8px;
      padding: 14px 20px 18px;
    }

    .mobile-panel a {
      min-height: 44px;
      display: flex;
      align-items: center;
      padding: 10px 12px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.035);
    }

    .mobile-panel a.active {
      color: var(--text);
      border-color: rgba(255, 78, 158, 0.42);
      background: rgba(230, 54, 114, 0.12);
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 78px 0;
      position: relative;
    }

    .section-head {
      display: grid;
      gap: 12px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 760;
    }

    .section-kicker::before {
      content: "";
      width: 24px;
      height: 2px;
      background: linear-gradient(90deg, var(--primary-2), var(--cyan));
      box-shadow: 0 0 12px rgba(255, 78, 158, 0.45);
    }

    h1,
    h2,
    h3 {
      line-height: 1.2;
      letter-spacing: 0;
    }

    h1 {
      max-width: 880px;
      font-size: clamp(30px, 5vw, 48px);
      font-weight: 900;
    }

    h2 {
      max-width: 780px;
      font-size: clamp(26px, 3.2vw, 34px);
      font-weight: 860;
    }

    h3 {
      font-size: 18px;
      font-weight: 800;
    }

    .lead {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
    }

    .hero {
      min-height: calc(100vh - var(--nav-height) - 38px);
      display: flex;
      align-items: center;
      padding: 64px 0 58px;
    }

    .hero-shell {
      width: 100%;
      display: grid;
      gap: 24px;
      padding: 30px;
      border: 1px solid rgba(255, 255, 255, 0.10);
      border-radius: var(--radius);
      background:
        linear-gradient(90deg, rgba(8, 8, 13, 0.86), rgba(20, 20, 31, 0.82)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 84px);
      box-shadow: var(--shadow);
    }

    .hero-topline {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--line);
    }

    .status-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 5px 9px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 12px;
      background: rgba(255, 255, 255, 0.045);
    }

    .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary-2);
      box-shadow: 0 0 12px rgba(255, 78, 158, 0.75);
    }

    .age-note {
      color: var(--amber);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
      gap: 30px;
      align-items: center;
    }

    .hero-copy {
      display: grid;
      gap: 18px;
    }

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

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 4px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 11px 16px;
      border-radius: var(--radius-sm);
      color: var(--text);
      font-size: 14px;
      font-weight: 780;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #bd214f, var(--primary-2));
      box-shadow: 0 14px 34px rgba(230, 54, 114, 0.30);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.055);
      border-color: rgba(255, 255, 255, 0.12);
    }

    .btn:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 78, 158, 0.55);
      box-shadow: var(--glow);
    }

    .hero-matrix {
      display: grid;
      gap: 12px;
    }

    .matrix-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }

    .poster-tile {
      min-height: 118px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(150deg, rgba(255, 78, 158, 0.26), transparent 42%),
        linear-gradient(330deg, rgba(66, 215, 255, 0.15), transparent 36%),
        #151520;
      transition: transform .2s ease, border-color .2s ease;
    }

    .poster-tile::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.56) 100%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 18px);
    }

    .poster-tile span {
      position: absolute;
      left: 10px;
      right: 10px;
      bottom: 10px;
      color: var(--text);
      font-size: 12px;
      font-weight: 760;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .poster-tile:nth-child(2) {
      transform: translateY(16px);
    }

    .poster-tile:nth-child(3) {
      background:
        linear-gradient(150deg, rgba(139, 92, 246, 0.26), transparent 42%),
        linear-gradient(330deg, rgba(230, 54, 114, 0.18), transparent 36%),
        #151520;
    }

    .poster-tile:hover {
      transform: translateY(-2px) scale(1.01);
      border-color: var(--line-strong);
    }

    .summary-panel {
      display: grid;
      gap: 12px;
      padding: 14px;
      border: 1px solid rgba(255, 78, 158, 0.24);
      border-radius: var(--radius);
      background: rgba(8, 8, 13, 0.62);
    }

    .summary-line {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--muted);
      font-size: 13px;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.10);
      padding-bottom: 9px;
    }

    .summary-line:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .summary-line strong {
      color: var(--text);
    }

    .kpi-section {
      background: linear-gradient(180deg, rgba(20, 20, 31, 0.62), rgba(8, 8, 13, 0));
    }

    .kpi-layout {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 28px;
      align-items: stretch;
    }

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

    .pain-item,
    .metric-card,
    .service-card,
    .feedback-card,
    .faq-item,
    .topic-card,
    .safety-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(20, 20, 31, 0.82);
      transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .pain-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      padding: 16px;
      align-items: start;
    }

    .pain-item:hover,
    .metric-card:hover,
    .service-card:hover,
    .feedback-card:hover,
    .topic-card:hover,
    .safety-card:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: var(--glow);
    }

    .num,
    .icon-box {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      color: #fff;
      font-weight: 860;
      background: linear-gradient(135deg, rgba(230, 54, 114, 0.88), rgba(139, 92, 246, 0.78));
    }

    .pain-item p,
    .service-card p,
    .feedback-card p,
    .topic-card p,
    .safety-card p {
      color: var(--muted);
      font-size: 14px;
      margin-top: 5px;
    }

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

    .metric-card {
      padding: 20px;
      min-height: 154px;
      display: grid;
      align-content: space-between;
    }

    .metric-value {
      color: var(--text);
      font-size: 30px;
      font-weight: 900;
      line-height: 1;
    }

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

    .news-section {
      background: rgba(13, 13, 20, 0.72);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) 360px;
      gap: 24px;
    }

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

    .news-link {
      display: grid;
      grid-template-columns: 92px minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      min-height: 96px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(20, 20, 31, 0.68);
      transition: border-color .2s ease, transform .2s ease, background .2s ease;
    }

    .news-link:hover {
      border-color: var(--line-strong);
      transform: translateX(3px);
      background: rgba(25, 23, 36, 0.92);
    }

    .thumb {
      aspect-ratio: 4 / 3;
      border-radius: var(--radius-sm);
      background:
        linear-gradient(150deg, rgba(255, 78, 158, 0.30), transparent 45%),
        linear-gradient(330deg, rgba(66, 215, 255, 0.16), transparent 38%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 16px),
        #101018;
      overflow: hidden;
      position: relative;
    }

    .thumb::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.48));
    }

    .news-link h3 {
      font-size: 17px;
      overflow-wrap: anywhere;
    }

    .news-link p {
      color: var(--muted);
      font-size: 14px;
      margin-top: 4px;
    }

    .date {
      color: var(--weak);
      font-size: 12px;
      white-space: nowrap;
    }

    .recommend-box {
      padding: 18px;
      border: 1px solid rgba(66, 215, 255, 0.24);
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(66, 215, 255, 0.08), rgba(255, 78, 158, 0.06)),
        rgba(20, 20, 31, 0.82);
      position: sticky;
      top: 92px;
      height: fit-content;
    }

    .chip-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 5px 9px;
      border: 1px solid rgba(255, 255, 255, 0.11);
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 12px;
      background: rgba(255, 255, 255, 0.04);
      transition: color .2s ease, border-color .2s ease, background .2s ease;
    }

    .chip:hover,
    .chip.active {
      color: var(--text);
      border-color: rgba(255, 78, 158, 0.56);
      background: rgba(230, 54, 114, 0.14);
    }

    .service-layout {
      display: grid;
      grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
      gap: 24px;
      align-items: start;
    }

    .step-flow {
      display: grid;
      gap: 14px;
    }

    .step {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 12px;
      padding: 16px;
      border-left: 2px solid rgba(255, 78, 158, 0.7);
      background: rgba(20, 20, 31, 0.68);
      border-radius: 0 var(--radius) var(--radius) 0;
    }

    .step p {
      color: var(--muted);
      font-size: 14px;
      margin-top: 4px;
    }

    .filter-preview {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background:
        linear-gradient(145deg, rgba(230, 54, 114, 0.10), transparent 38%),
        rgba(20, 20, 31, 0.86);
    }

    .filter-row {
      display: grid;
      gap: 9px;
      margin-top: 16px;
    }

    .filter-label {
      color: var(--weak);
      font-size: 13px;
      font-weight: 760;
    }

    .app-section {
      padding-top: 66px;
      background: linear-gradient(180deg, rgba(8, 8, 13, 0), rgba(20, 20, 31, 0.58));
    }

    .app-band {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 390px;
      gap: 24px;
      padding: 24px;
      border: 1px solid rgba(255, 78, 158, 0.26);
      border-radius: var(--radius);
      background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 80px),
        rgba(20, 20, 31, 0.86);
    }

    .device-panel {
      display: grid;
      gap: 10px;
    }

    .device-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 13px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--muted);
      background: rgba(255, 255, 255, 0.035);
    }

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

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

    .safety-card,
    .topic-card,
    .feedback-card,
    .service-card {
      padding: 18px;
    }

    .topic-card {
      min-height: 168px;
      background:
        linear-gradient(160deg, rgba(255, 78, 158, 0.14), transparent 48%),
        rgba(20, 20, 31, 0.82);
    }

    .feedback-card {
      display: grid;
      gap: 12px;
    }

    .avatar {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      font-weight: 860;
      background: linear-gradient(135deg, var(--primary), var(--violet));
    }

    .feedback-meta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .feedback-meta span {
      color: var(--weak);
      font-size: 12px;
    }

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

    .faq-item {
      overflow: hidden;
    }

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

    .faq-question span {
      font-weight: 820;
    }

    .faq-icon {
      width: 22px;
      height: 22px;
      position: relative;
      flex: 0 0 auto;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      inset: 10px 3px auto 3px;
      height: 2px;
      background: var(--primary-2);
      transition: transform .2s ease;
    }

    .faq-icon::after {
      transform: rotate(90deg);
    }

    .faq-item.open {
      border-color: var(--line-strong);
      background: rgba(25, 23, 36, 0.9);
    }

    .faq-item.open .faq-icon::after {
      transform: rotate(0deg);
    }

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

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

    .cta-section {
      padding: 0 0 82px;
    }

    .cta-band {
      position: relative;
      overflow: hidden;
      padding: 30px;
      border: 1px solid rgba(255, 78, 158, 0.36);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(230, 54, 114, 0.18), rgba(66, 215, 255, 0.08)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 54px),
        #14141f;
      box-shadow: var(--shadow);
    }

    .cta-band::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 2px;
      background: linear-gradient(90deg, var(--primary-2), var(--cyan));
      box-shadow: 0 0 20px rgba(255, 78, 158, 0.7);
    }

    .cta-content {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
    }

    .trust-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: #07070b;
      padding: 36px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 26px;
      align-items: start;
    }

    .footer-brand p,
    .footer-col p,
    .copyright {
      color: var(--weak);
      font-size: 13px;
    }

    .footer-brand p {
      max-width: 520px;
      margin-top: 12px;
    }

    .footer-col h3 {
      font-size: 15px;
      margin-bottom: 10px;
    }

    .footer-col a {
      display: block;
      color: var(--muted);
      font-size: 14px;
      margin: 7px 0;
      transition: color .2s ease;
    }

    .footer-col a:hover {
      color: var(--primary-2);
    }

    .copyright {
      margin-top: 26px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .kpi-layout,
      .news-layout,
      .service-layout,
      .app-band {
        grid-template-columns: 1fr;
      }

      .recommend-box {
        position: static;
      }

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

      .menu-toggle {
        display: inline-flex;
      }

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

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      :root {
        --nav-height: 66px;
      }

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

      section {
        padding: 56px 0;
      }

      .hero {
        min-height: auto;
        padding: 34px 0 44px;
      }

      .hero-shell,
      .cta-band,
      .app-band {
        padding: 18px;
      }

      .hero-topline {
        align-items: flex-start;
      }

      .matrix-row,
      .metric-grid,
      .safety-grid,
      .topic-grid,
      .feedback-grid {
        grid-template-columns: 1fr;
      }

      .poster-tile {
        min-height: 88px;
      }

      .poster-tile:nth-child(2) {
        transform: none;
      }

      .news-link {
        grid-template-columns: 78px minmax(0, 1fr);
      }

      .news-link .date {
        grid-column: 2;
      }

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

      .hero-actions .btn,
      .cta-content .btn {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .logo {
        font-size: 16px;
      }

      .logo-mark {
        width: 28px;
        height: 28px;
      }

      .status-strip,
      .hero-actions,
      .trust-points,
      .chip-cloud {
        width: 100%;
      }

      .status-pill,
      .chip {
        max-width: 100%;
      }

      .pain-item,
      .step {
        grid-template-columns: 1fr;
      }

      .device-row {
        align-items: flex-start;
        flex-direction: column;
      }

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

      .copyright {
        display: grid;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08080d;
      --bg-soft: #0d0d14;
      --panel: #14141f;
      --panel-2: #191827;
      --line: rgba(255,255,255,.09);
      --line-strong: rgba(255,77,148,.52);
      --text: #f5f5f7;
      --muted: #b8b8c7;
      --weak: #7d7d8f;
      --berry: #b41545;
      --pink: #ff4d94;
      --violet: #8b5cf6;
      --cyan: #5eead4;
      --amber: #f6c453;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 22px 70px rgba(0,0,0,.38);
      --glow: 0 0 0 1px rgba(255,77,148,.22), 0 18px 48px rgba(180,21,69,.22);
      --container: 1180px;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 18% 4%, rgba(255,77,148,.14), transparent 34%),
        radial-gradient(circle at 80% 0%, rgba(94,234,212,.08), transparent 30%),
        linear-gradient(180deg, #08080d 0%, #0d0d14 48%, #08080d 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .22;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.8), transparent 78%);
      z-index: -1;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(8,8,13,.78);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255,77,148,.28);
    }

    .nav-wrap {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
      letter-spacing: 0;
    }

    .logo-mark {
      width: 32px;
      height: 32px;
      border: 1px solid rgba(255,77,148,.66);
      border-radius: 7px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(255,77,148,.25), rgba(94,234,212,.08)),
        #11111a;
      box-shadow: 0 0 18px rgba(255,77,148,.28);
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 11px;
      top: 8px;
      width: 0;
      height: 0;
      border-left: 10px solid var(--pink);
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
      filter: drop-shadow(0 0 8px rgba(255,77,148,.7));
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      left: 7px;
      right: 7px;
      bottom: 6px;
      height: 2px;
      background: var(--cyan);
      opacity: .8;
    }

    .desktop-nav {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .desktop-nav a,
    .mobile-panel a {
      color: var(--muted);
      font-size: 14px;
      padding: 10px 13px;
      border-radius: var(--radius-sm);
      transition: color .2s ease, background .2s ease, border-color .2s ease;
      border: 1px solid transparent;
    }

    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: var(--text);
      background: rgba(255,77,148,.1);
      border-color: rgba(255,77,148,.24);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: var(--radius-sm);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      background: linear-gradient(135deg, var(--berry), var(--pink));
      box-shadow: 0 0 22px rgba(255,77,148,.18);
      border: 1px solid rgba(255,255,255,.12);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .nav-action:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 28px rgba(255,77,148,.36);
      border-color: rgba(255,255,255,.26);
    }

    .menu-toggle {
      margin-left: auto;
      display: none;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
    }

    .menu-icon,
    .menu-icon::before,
    .menu-icon::after {
      width: 18px;
      height: 2px;
      display: block;
      background: var(--text);
      border-radius: 99px;
      position: relative;
    }

    .menu-icon::before,
    .menu-icon::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-icon::before {
      top: -6px;
    }

    .menu-icon::after {
      top: 6px;
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(13,13,20,.98);
    }

    .mobile-panel .container {
      padding: 10px 0 16px;
      display: grid;
      gap: 8px;
    }

    .mobile-panel a {
      min-height: 44px;
      display: flex;
      align-items: center;
      border-color: var(--line);
      background: rgba(255,255,255,.03);
    }

    .mobile-panel a.active {
      color: var(--text);
      border-color: rgba(255,77,148,.34);
      background: rgba(255,77,148,.11);
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 56px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: end;
      margin-bottom: 28px;
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .kicker::before {
      content: "";
      width: 32px;
      height: 2px;
      background: linear-gradient(90deg, var(--pink), var(--cyan));
      box-shadow: 0 0 12px rgba(255,77,148,.6);
    }

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

    h1 {
      font-size: clamp(30px, 4.6vw, 48px);
      line-height: 1.15;
      letter-spacing: 0;
      max-width: 820px;
    }

    h2 {
      font-size: clamp(25px, 3vw, 32px);
      line-height: 1.25;
      letter-spacing: 0;
    }

    h3 {
      font-size: 18px;
      line-height: 1.35;
      letter-spacing: 0;
    }

    .lead {
      color: var(--muted);
      font-size: 16px;
      max-width: 760px;
      margin-top: 16px;
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      font-weight: 800;
      font-size: 14px;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--berry), var(--pink));
      border-color: rgba(255,255,255,.13);
      box-shadow: 0 0 28px rgba(255,77,148,.2);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 36px rgba(255,77,148,.38);
      border-color: rgba(255,255,255,.26);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.045);
      border-color: var(--line);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,.08);
      border-color: rgba(94,234,212,.38);
      color: #fff;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: var(--muted);
      background: rgba(255,255,255,.045);
      border: 1px solid var(--line);
      transition: border-color .2s ease, background .2s ease, color .2s ease;
    }

    .chip.active,
    .chip:hover {
      color: #fff;
      background: rgba(180,21,69,.2);
      border-color: rgba(255,77,148,.55);
    }

    .hero {
      padding: 62px 0 34px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
      gap: 24px;
      padding: 28px;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(20,20,31,.94), rgba(13,13,20,.94)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 96px);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      border-top: 2px solid rgba(255,77,148,.62);
      pointer-events: none;
    }

    .hero-left,
    .hero-right {
      position: relative;
      z-index: 1;
    }

    .hero-left {
      padding: 14px 4px 8px;
      display: flex;
      flex-direction: column;
      gap: 22px;
      justify-content: center;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--weak);
      font-size: 13px;
    }

    .hero-meta span {
      padding: 6px 9px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.035);
    }

    .rank-panel {
      background: rgba(8,8,13,.56);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 16px;
      min-height: 430px;
    }

    .panel-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 15px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }

    .panel-title {
      font-size: 15px;
      font-weight: 800;
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--cyan);
      font-size: 12px;
    }

    .status-dot::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(94,234,212,.9);
    }

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

    .update-item {
      display: grid;
      grid-template-columns: 78px minmax(0, 1fr);
      gap: 12px;
      padding: 10px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,.07);
      background: rgba(255,255,255,.035);
      transition: border-color .2s ease, background .2s ease, transform .2s ease;
    }

    .update-item:hover {
      border-color: rgba(255,77,148,.46);
      background: rgba(255,77,148,.07);
      transform: translateY(-1px);
    }

    .poster {
      aspect-ratio: 3 / 4;
      border-radius: 6px;
      overflow: hidden;
      background:
        linear-gradient(160deg, rgba(255,77,148,.26), transparent 55%),
        linear-gradient(25deg, rgba(94,234,212,.15), transparent 45%),
        #101019;
      border: 1px solid rgba(255,255,255,.08);
      position: relative;
    }

    .poster::before {
      content: "";
      position: absolute;
      inset: 9px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 5px;
    }

    .poster::after {
      content: "";
      position: absolute;
      left: 10px;
      right: 10px;
      bottom: 12px;
      height: 3px;
      background: linear-gradient(90deg, var(--pink), var(--cyan));
      box-shadow: 0 0 14px rgba(255,77,148,.45);
    }

    .update-copy {
      min-width: 0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 8px;
    }

    .update-copy h3 {
      font-size: 15px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .update-copy p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .meta-line {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      color: var(--weak);
      font-size: 12px;
    }

    .meta-line span {
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.08);
      padding: 2px 6px;
      border-radius: 5px;
      background: rgba(255,255,255,.035);
    }

    .notice-strip {
      margin-top: 18px;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      color: #f9e6b0;
      background: rgba(246,196,83,.08);
      border: 1px solid rgba(246,196,83,.24);
      font-size: 13px;
    }

    .pain-layout {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 24px;
      align-items: stretch;
    }

    .pain-summary,
    .content-card,
    .filter-panel,
    .metric-card,
    .testimonial-card,
    .faq-item {
      background: rgba(20,20,31,.88);
      border: 1px solid var(--line);
      border-radius: var(--radius);
    }

    .pain-summary {
      padding: 24px;
      border-left: 2px solid var(--pink);
      box-shadow: var(--shadow);
    }

    .pain-summary p {
      color: var(--muted);
      margin-top: 12px;
    }

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

    .issue-card {
      padding: 18px;
      min-height: 150px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.035);
      border: 1px solid var(--line);
      transition: transform .2s ease, border-color .2s ease;
    }

    .issue-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255,77,148,.42);
    }

    .issue-num {
      display: inline-flex;
      width: 30px;
      height: 30px;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      color: var(--cyan);
      border: 1px solid rgba(94,234,212,.34);
      background: rgba(94,234,212,.07);
      font-weight: 800;
      margin-bottom: 12px;
    }

    .issue-card p,
    .content-card p,
    .metric-card p,
    .testimonial-card p {
      color: var(--muted);
      font-size: 14px;
      margin-top: 8px;
    }

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

    .content-list {
      display: grid;
      gap: 14px;
    }

    .content-card {
      display: grid;
      grid-template-columns: 132px minmax(0, 1fr);
      gap: 16px;
      padding: 14px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .content-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255,77,148,.55);
      box-shadow: var(--glow);
    }

    .content-card .poster {
      transition: transform .2s ease;
    }

    .content-card:hover .poster {
      transform: scale(1.03);
    }

    .content-card:hover h3 {
      color: #fff;
    }

    .content-main {
      min-width: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      justify-content: center;
    }

    .content-main h3 {
      color: var(--text);
      transition: color .2s ease;
    }

    .content-main p {
      max-width: 690px;
    }

    .filter-panel {
      position: sticky;
      top: 92px;
      padding: 18px;
      box-shadow: var(--shadow);
    }

    .filter-block + .filter-block {
      margin-top: 20px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
    }

    .filter-block h3 {
      font-size: 15px;
      margin-bottom: 12px;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 8px;
      height: 44px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.045);
      border: 1px solid var(--line);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .search-box:focus-within {
      border-color: rgba(94,234,212,.55);
      box-shadow: 0 0 0 3px rgba(94,234,212,.1);
    }

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

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

    .flow-wrap {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 24px;
      align-items: start;
    }

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

    .step {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      gap: 14px;
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.035);
      border: 1px solid var(--line);
    }

    .step-index {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 7px;
      color: #fff;
      background: linear-gradient(135deg, var(--berry), var(--pink));
      font-weight: 900;
    }

    .step p {
      color: var(--muted);
      font-size: 14px;
      margin-top: 4px;
    }

    .preview-panel {
      padding: 20px;
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(25,24,39,.95), rgba(14,14,22,.95)),
        repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 70px);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .preview-head {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding-bottom: 14px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--line);
    }

    .switch-row {
      display: grid;
      gap: 14px;
    }

    .switch-line {
      display: grid;
      grid-template-columns: 80px minmax(0, 1fr);
      gap: 12px;
      align-items: center;
    }

    .switch-label {
      color: var(--weak);
      font-size: 13px;
    }

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

    .metric-card {
      padding: 20px;
      min-height: 156px;
      transition: border-color .2s ease, transform .2s ease;
    }

    .metric-card:hover {
      border-color: rgba(94,234,212,.36);
      transform: translateY(-2px);
    }

    .metric-value {
      color: #fff;
      font-size: 28px;
      font-weight: 900;
      line-height: 1;
      margin-bottom: 12px;
    }

    .metric-value span {
      color: var(--pink);
      font-size: 16px;
    }

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

    .testimonial-card {
      padding: 20px;
      transition: border-color .2s ease, transform .2s ease;
    }

    .testimonial-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255,77,148,.42);
    }

    .avatar-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      color: #fff;
      background: linear-gradient(135deg, rgba(255,77,148,.7), rgba(94,234,212,.45));
      border: 1px solid rgba(255,255,255,.18);
    }

    .avatar-info strong {
      display: block;
      font-size: 14px;
    }

    .avatar-info span {
      color: var(--weak);
      font-size: 12px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 24px;
      align-items: start;
    }

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

    .faq-item {
      overflow: hidden;
      transition: border-color .2s ease;
    }

    .faq-item.active {
      border-color: rgba(255,77,148,.48);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      border: 0;
      color: var(--text);
      background: transparent;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 0 18px;
      text-align: left;
      font-weight: 800;
    }

    .faq-question:focus-visible,
    .btn:focus-visible,
    .desktop-nav a:focus-visible,
    .nav-action:focus-visible,
    .menu-toggle:focus-visible,
    .mobile-panel a:focus-visible {
      outline: 3px solid rgba(94,234,212,.34);
      outline-offset: 3px;
    }

    .faq-icon {
      width: 20px;
      height: 20px;
      border-radius: 5px;
      position: relative;
      border: 1px solid var(--line);
      flex: 0 0 auto;
      transition: transform .2s ease, border-color .2s ease;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      background: var(--pink);
      left: 5px;
      right: 5px;
      top: 9px;
      height: 2px;
    }

    .faq-icon::after {
      transform: rotate(90deg);
      transition: opacity .2s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(90deg);
      border-color: rgba(255,77,148,.5);
    }

    .faq-item.active .faq-icon::after {
      opacity: 0;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      color: var(--muted);
      transition: max-height .24s ease;
    }

    .faq-answer p {
      padding: 0 18px 18px;
      font-size: 14px;
    }

    .cta-band {
      position: relative;
      overflow: hidden;
      padding: 34px;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(180,21,69,.36), rgba(20,20,31,.92) 45%, rgba(94,234,212,.11)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 86px);
      border: 1px solid rgba(255,77,148,.28);
      box-shadow: var(--shadow);
    }

    .cta-band::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--pink), var(--cyan));
      box-shadow: 0 0 22px rgba(255,77,148,.68);
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .trust-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
      color: var(--muted);
      font-size: 13px;
    }

    .trust-line span {
      padding-left: 12px;
      position: relative;
    }

    .trust-line span::before {
      content: "";
      position: absolute;
      left: 0;
      top: .74em;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--cyan);
    }

    .site-footer {
      margin-top: 24px;
      padding: 46px 0 26px;
      background: #07070b;
      border-top: 1px solid rgba(255,77,148,.24);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) .6fr .8fr;
      gap: 34px;
    }

    .footer-brand p {
      color: var(--muted);
      margin-top: 14px;
      max-width: 520px;
      font-size: 14px;
    }

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

    .footer-col h3 {
      font-size: 15px;
      margin-bottom: 4px;
    }

    .footer-col a,
    .footer-col p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .footer-col a:hover {
      color: var(--cyan);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-panel,
      .pain-layout,
      .flow-wrap,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

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

      .filter-panel {
        position: static;
      }

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

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

    @media (max-width: 820px) {
      .desktop-nav,
      .nav-action {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .mobile-panel.open {
        display: block;
      }

      .nav-wrap {
        min-height: 66px;
      }

      .section {
        padding: 56px 0;
      }

      .hero {
        padding-top: 42px;
      }

      .hero-panel {
        padding: 22px;
      }

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

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 620px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      h1 {
        font-size: 30px;
      }

      .hero-panel,
      .cta-band {
        padding: 18px;
      }

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

      .content-card,
      .update-item {
        grid-template-columns: 92px minmax(0, 1fr);
      }

      .content-card {
        gap: 12px;
      }

      .poster {
        min-height: 122px;
      }

      .switch-line {
        grid-template-columns: 1fr;
      }

      .btn-row {
        width: 100%;
      }

      .btn {
        flex: 1 1 100%;
      }

      .update-copy h3 {
        white-space: normal;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #08080d;
      --bg-soft: #0d0d14;
      --panel: #14141f;
      --panel-2: #191925;
      --panel-3: #10101a;
      --text: #f5f5f7;
      --muted: #b8b8c7;
      --weak: #7d7d8f;
      --line: rgba(255,255,255,.09);
      --line-strong: rgba(255,255,255,.16);
      --berry: #9e174d;
      --magenta: #ff3f9f;
      --violet: #8b5cf6;
      --cyan: #5eead4;
      --blue: #60a5fa;
      --amber: #f5b942;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 20px 70px rgba(0,0,0,.42);
      --glow: 0 0 0 1px rgba(255,63,159,.24), 0 0 26px rgba(255,63,159,.18);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 14% 8%, rgba(255,63,159,.14), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(94,234,212,.08), transparent 26%),
        linear-gradient(180deg, #08080d 0%, #0d0d14 46%, #08080d 100%);
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
      line-height: 1.7;
      letter-spacing: 0;
      min-height: 100vh;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(8, 8, 13, .82);
      border-bottom: 1px solid rgba(255,63,159,.34);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      min-height: 72px;
      gap: 22px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-weight: 800;
      white-space: nowrap;
      letter-spacing: 0;
    }

    .logo-mark {
      position: relative;
      width: 28px;
      height: 28px;
      border: 1px solid rgba(255,63,159,.7);
      border-radius: 7px;
      background: linear-gradient(135deg, rgba(158,23,77,.92), rgba(139,92,246,.5));
      box-shadow: 0 0 22px rgba(255,63,159,.28);
      flex: 0 0 auto;
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 10px;
      top: 7px;
      border-left: 9px solid #fff;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
      filter: drop-shadow(0 0 8px rgba(255,255,255,.55));
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      right: -8px;
      top: 5px;
      width: 2px;
      height: 18px;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(94,234,212,.8);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
    }

    .desktop-nav a,
    .mobile-panel a {
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      border-radius: var(--radius-sm);
      transition: color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .desktop-nav a {
      padding: 10px 13px;
    }

    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: var(--text);
      background: rgba(255,255,255,.07);
      box-shadow: inset 0 -1px 0 rgba(255,63,159,.8);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      border: 1px solid rgba(255,63,159,.58);
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--berry), var(--magenta));
      box-shadow: 0 0 20px rgba(255,63,159,.18);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .nav-action:hover {
      transform: translateY(-1px);
      box-shadow: var(--glow);
      border-color: rgba(255,255,255,.34);
    }

    .menu-toggle {
      display: none;
      align-items: center;
      gap: 9px;
      min-height: 42px;
      padding: 0 12px;
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
    }

    .menu-icon,
    .menu-icon::before,
    .menu-icon::after {
      display: block;
      width: 17px;
      height: 2px;
      background: var(--text);
      border-radius: 999px;
      transition: transform .2s ease, opacity .2s ease;
    }

    .menu-icon {
      position: relative;
    }

    .menu-icon::before,
    .menu-icon::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-icon::before {
      top: -6px;
    }

    .menu-icon::after {
      top: 6px;
    }

    .menu-toggle[aria-expanded="true"] .menu-icon {
      background: transparent;
    }

    .menu-toggle[aria-expanded="true"] .menu-icon::before {
      transform: translateY(6px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] .menu-icon::after {
      transform: translateY(-6px) rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(13,13,20,.96);
    }

    .mobile-panel.open {
      display: block;
    }

    .mobile-panel .container {
      display: grid;
      gap: 8px;
      padding: 12px 0 18px;
    }

    .mobile-panel a {
      display: flex;
      align-items: center;
      min-height: 46px;
      padding: 0 12px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
    }

    .mobile-panel a.active,
    .mobile-panel a:hover {
      color: var(--text);
      border-color: rgba(255,63,159,.56);
      background: rgba(158,23,77,.18);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 84px 0;
      position: relative;
    }

    .section-tight {
      padding: 62px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      min-height: 30px;
      padding: 0 10px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(94,234,212,.24);
      border-radius: var(--radius-sm);
      background: rgba(94,234,212,.07);
    }

    .eyebrow::before {
      content: "";
      width: 18px;
      height: 2px;
      background: var(--magenta);
      box-shadow: 0 0 12px rgba(255,63,159,.75);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(260px, .45fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-title {
      margin: 14px 0 0;
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-copy {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .hero {
      min-height: 620px;
      padding: 62px 0 54px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(8,8,13,.92), rgba(8,8,13,.62)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 74px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 116px);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(340px, .7fr);
      gap: 36px;
      align-items: center;
    }

    .hero h1 {
      max-width: 780px;
      margin: 16px 0 14px;
      font-size: clamp(30px, 4.4vw, 48px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero h1 span {
      color: #fff;
      text-shadow: 0 0 28px rgba(255,63,159,.26);
    }

    .hero-subtitle {
      max-width: 700px;
      margin: 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .countdown-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      max-width: 780px;
      margin: 24px 0 0;
      padding: 12px;
      border: 1px solid rgba(245,185,66,.28);
      border-radius: var(--radius);
      background: linear-gradient(90deg, rgba(245,185,66,.12), rgba(255,63,159,.07));
    }

    .countdown-label {
      color: var(--amber);
      font-size: 13px;
      font-weight: 850;
    }

    .countdown-items {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .time-box {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      height: 34px;
      padding: 0 10px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-sm);
      background: rgba(0,0,0,.24);
      font-size: 13px;
      color: var(--muted);
    }

    .time-box strong {
      color: var(--text);
      font-size: 15px;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 26px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 850;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--berry), var(--magenta));
      border-color: rgba(255,255,255,.18);
      box-shadow: 0 0 24px rgba(255,63,159,.18);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      transform: translateY(-2px);
      box-shadow: var(--glow);
      border-color: rgba(255,255,255,.35);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.05);
      border-color: var(--line-strong);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      background: rgba(255,255,255,.09);
      border-color: rgba(94,234,212,.42);
      box-shadow: 0 0 18px rgba(94,234,212,.12);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn:focus,
    .chip:focus,
    .filter-input:focus,
    .faq-button:focus {
      outline: 2px solid rgba(94,234,212,.7);
      outline-offset: 3px;
    }

    .hero-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 22px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 31px;
      padding: 0 10px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.045);
      transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .chip.is-active,
    .chip:hover {
      color: var(--text);
      border-color: rgba(255,63,159,.62);
      background: rgba(158,23,77,.22);
      box-shadow: 0 0 16px rgba(255,63,159,.1);
    }

    .chip.is-cyan {
      border-color: rgba(94,234,212,.32);
      color: var(--cyan);
      background: rgba(94,234,212,.06);
    }

    .hero-board {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(20,20,31,.72);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .board-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 16px;
      border-bottom: 1px solid var(--line);
      background: linear-gradient(90deg, rgba(255,63,159,.13), rgba(94,234,212,.05));
    }

    .board-top strong {
      font-size: 16px;
    }

    .live-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 850;
    }

    .live-dot::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(94,234,212,.9);
    }

    .poster-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      padding: 16px;
    }

    .poster-tile {
      position: relative;
      min-height: 154px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      overflow: hidden;
      background:
        linear-gradient(145deg, rgba(255,63,159,.24), transparent 45%),
        linear-gradient(320deg, rgba(94,234,212,.12), transparent 50%),
        #11111b;
      transition: transform .2s ease, border-color .2s ease;
    }

    .poster-tile:nth-child(2) {
      background:
        linear-gradient(145deg, rgba(139,92,246,.28), transparent 42%),
        linear-gradient(320deg, rgba(255,63,159,.1), transparent 52%),
        #12121d;
    }

    .poster-tile:nth-child(3) {
      background:
        linear-gradient(145deg, rgba(94,234,212,.18), transparent 42%),
        linear-gradient(320deg, rgba(255,63,159,.18), transparent 52%),
        #12121d;
    }

    .poster-tile::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 36px),
        linear-gradient(180deg, transparent, rgba(0,0,0,.72));
      opacity: .65;
    }

    .poster-tile:hover {
      transform: translateY(-2px);
      border-color: rgba(255,63,159,.62);
    }

    .poster-caption {
      position: absolute;
      left: 10px;
      right: 10px;
      bottom: 10px;
      z-index: 1;
      display: grid;
      gap: 4px;
    }

    .poster-caption span {
      color: var(--weak);
      font-size: 12px;
    }

    .poster-caption strong {
      font-size: 14px;
      line-height: 1.35;
    }

    .board-list {
      display: grid;
      gap: 10px;
      padding: 0 16px 16px;
    }

    .board-item,
    .stream-item,
    .result-row,
    .feedback-card,
    .problem-card,
    .step-card,
    .topic-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(20,20,31,.72);
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .board-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
    }

    .board-item strong {
      font-size: 14px;
    }

    .board-item span {
      color: var(--weak);
      font-size: 12px;
      white-space: nowrap;
    }

    .problem-layout {
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(310px, .38fr);
      gap: 24px;
      align-items: start;
    }

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

    .problem-card {
      padding: 18px;
      min-height: 170px;
      position: relative;
    }

    .problem-card::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 18px;
      width: 34px;
      height: 2px;
      background: var(--magenta);
      box-shadow: 0 0 14px rgba(255,63,159,.68);
    }

    .problem-card .num {
      display: block;
      margin: 18px 0 14px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 900;
    }

    .problem-card h3,
    .step-card h3,
    .topic-card h3,
    .feedback-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.35;
      font-weight: 900;
    }

    .problem-card p,
    .step-card p,
    .topic-card p,
    .feedback-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .notice-box {
      border: 1px solid rgba(245,185,66,.28);
      border-radius: var(--radius);
      background: rgba(245,185,66,.08);
      padding: 18px;
    }

    .notice-box h3 {
      margin: 0 0 10px;
      color: var(--amber);
      font-size: 17px;
      font-weight: 900;
    }

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

    .solution-panel {
      display: grid;
      grid-template-columns: minmax(0, .48fr) minmax(0, .52fr);
      gap: 22px;
      align-items: stretch;
    }

    .steps {
      display: grid;
      gap: 12px;
    }

    .step-card {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr);
      gap: 14px;
      padding: 16px;
      align-items: start;
    }

    .step-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      color: var(--text);
      font-weight: 950;
      background: linear-gradient(135deg, rgba(158,23,77,.85), rgba(139,92,246,.46));
      border: 1px solid rgba(255,255,255,.12);
    }

    .filter-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(20,20,31,.95), rgba(16,16,26,.92));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .filter-card-header {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding: 16px;
      border-bottom: 1px solid var(--line);
    }

    .filter-card-header strong {
      font-size: 16px;
    }

    .filter-card-header button {
      min-height: 34px;
      padding: 0 10px;
      color: var(--cyan);
      background: rgba(94,234,212,.07);
      border: 1px solid rgba(94,234,212,.22);
      border-radius: var(--radius-sm);
      transition: border-color .2s ease, background .2s ease;
    }

    .filter-card-header button:hover {
      border-color: rgba(94,234,212,.56);
      background: rgba(94,234,212,.12);
    }

    .filter-body {
      display: grid;
      gap: 18px;
      padding: 16px;
    }

    .filter-group {
      display: grid;
      gap: 9px;
    }

    .filter-label {
      color: var(--weak);
      font-size: 13px;
      font-weight: 850;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filter-input {
      width: 100%;
      height: 44px;
      padding: 0 12px;
      color: var(--text);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(0,0,0,.18);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

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

    .topic-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 14px;
    }

    .topic-card {
      min-height: 230px;
      padding: 18px;
      overflow: hidden;
      position: relative;
    }

    .topic-card.featured {
      grid-row: span 2;
      min-height: 474px;
    }

    .topic-card::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 90px;
      background: linear-gradient(0deg, rgba(255,63,159,.14), transparent);
      pointer-events: none;
    }

    .topic-art {
      height: 118px;
      margin: -2px -2px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255,63,159,.26), transparent 48%),
        linear-gradient(315deg, rgba(94,234,212,.12), transparent 52%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 30px),
        #10101a;
    }

    .topic-card.featured .topic-art {
      height: 260px;
    }

    .topic-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-top: 16px;
    }

    .stream-wrap {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(13,13,20,.75);
      overflow: hidden;
    }

    .stream-head {
      display: grid;
      grid-template-columns: 1.2fr .6fr .5fr .5fr;
      gap: 12px;
      padding: 12px 16px;
      color: var(--weak);
      font-size: 12px;
      font-weight: 850;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .stream-list {
      display: grid;
    }

    .stream-item {
      display: grid;
      grid-template-columns: 1.2fr .6fr .5fr .5fr;
      gap: 12px;
      align-items: center;
      min-height: 74px;
      padding: 12px 16px;
      border-width: 0 0 1px;
      border-radius: 0;
      background: transparent;
    }

    .stream-item:last-child {
      border-bottom: 0;
    }

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

    .stream-title strong {
      display: block;
      overflow-wrap: anywhere;
      font-size: 15px;
      line-height: 1.45;
      transition: color .2s ease;
    }

    .stream-title span,
    .stream-cell {
      color: var(--weak);
      font-size: 13px;
    }

    .stream-item:hover {
      background: rgba(255,255,255,.04);
      border-color: rgba(255,63,159,.36);
    }

    .stream-item:hover .stream-title strong {
      color: #fff;
    }

    .status-badge {
      display: inline-flex;
      justify-content: center;
      align-items: center;
      min-height: 28px;
      padding: 0 9px;
      width: fit-content;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 850;
      border: 1px solid rgba(94,234,212,.24);
      border-radius: var(--radius-sm);
      background: rgba(94,234,212,.06);
    }

    .results {
      display: grid;
      gap: 12px;
    }

    .result-row {
      display: grid;
      grid-template-columns: 170px minmax(0, 1fr) 120px;
      gap: 18px;
      align-items: center;
      padding: 16px;
    }

    .result-number {
      color: var(--text);
      font-size: 28px;
      font-weight: 950;
      line-height: 1;
    }

    .result-number span {
      color: var(--magenta);
      font-size: 15px;
    }

    .result-row h3 {
      margin: 0 0 5px;
      font-size: 17px;
      font-weight: 900;
    }

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

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

    .progress span {
      display: block;
      height: 100%;
      width: var(--value);
      background: linear-gradient(90deg, var(--berry), var(--magenta), var(--cyan));
      border-radius: inherit;
    }

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

    .feedback-card {
      padding: 18px;
    }

    .avatar-line {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }

    .avatar {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, var(--berry), var(--violet));
      border: 1px solid rgba(255,255,255,.15);
    }

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

    .feedback-card p {
      font-size: 15px;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(20,20,31,.76);
      overflow: hidden;
      transition: border-color .2s ease, background .2s ease;
    }

    .faq-item.open {
      border-color: rgba(255,63,159,.54);
      background: rgba(20,20,31,.95);
    }

    .faq-button {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
      min-height: 58px;
      padding: 0 16px;
      color: var(--text);
      text-align: left;
      background: transparent;
      border: 0;
      font-weight: 900;
    }

    .faq-icon {
      position: relative;
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      left: 2px;
      top: 8px;
      width: 14px;
      height: 2px;
      background: var(--magenta);
      border-radius: 999px;
      transition: transform .2s ease;
    }

    .faq-icon::after {
      transform: rotate(90deg);
    }

    .faq-item.open .faq-icon::after {
      transform: rotate(0deg);
    }

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

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

    .cta-band {
      padding: 54px 0;
      border-top: 1px solid rgba(255,63,159,.38);
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(158,23,77,.24), rgba(13,13,20,.74)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 62px),
        #10101a;
    }

    .cta-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
    }

    .cta-inner h2 {
      margin: 0 0 8px;
      font-size: clamp(25px, 3vw, 34px);
      line-height: 1.2;
      font-weight: 950;
    }

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

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

    .trust-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .site-footer {
      padding: 48px 0 26px;
      background: #07070b;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .7fr .9fr;
      gap: 36px;
      align-items: start;
    }

    .footer-brand p,
    .footer-col p {
      margin: 14px 0 0;
      color: var(--weak);
      font-size: 14px;
    }

    .footer-col {
      display: grid;
      gap: 9px;
    }

    .footer-col h3 {
      margin: 0 0 5px;
      font-size: 15px;
      font-weight: 900;
    }

    .footer-col a {
      color: var(--muted);
      font-size: 14px;
      transition: color .2s ease;
    }

    .footer-col a:hover {
      color: var(--cyan);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      margin-top: 34px;
      padding-top: 18px;
      color: var(--weak);
      font-size: 13px;
      border-top: 1px solid var(--line);
    }

    .problem-card:hover,
    .step-card:hover,
    .topic-card:hover,
    .feedback-card:hover,
    .result-row:hover {
      transform: translateY(-2px);
      border-color: rgba(255,63,159,.55);
      box-shadow: 0 16px 36px rgba(0,0,0,.22);
      background: rgba(25,25,37,.88);
    }

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

      .menu-toggle {
        display: inline-flex;
        margin-left: auto;
      }

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

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

      .topic-card.featured {
        grid-row: auto;
        grid-column: span 2;
        min-height: auto;
      }

      .topic-card.featured .topic-art {
        height: 180px;
      }

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

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

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

      .nav-wrap {
        min-height: 64px;
      }

      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 46px 0;
      }

      .hero {
        min-height: auto;
        padding: 44px 0 42px;
      }

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

      .poster-grid,
      .problem-grid,
      .topic-grid,
      .feedback-grid {
        grid-template-columns: 1fr;
      }

      .topic-card.featured {
        grid-column: auto;
      }

      .poster-tile {
        min-height: 130px;
      }

      .stream-head {
        display: none;
      }

      .stream-item {
        grid-template-columns: 1fr;
        gap: 7px;
        min-height: auto;
      }

      .result-row {
        grid-template-columns: 1fr;
        gap: 10px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .logo span:last-child {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .hero-actions,
      .cta-actions {
        display: grid;
      }

      .btn {
        width: 100%;
      }

      .countdown-bar {
        align-items: flex-start;
      }

      .time-box {
        flex: 1 1 calc(50% - 8px);
        justify-content: center;
      }

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

      .filter-card-header,
      .board-top,
      .board-item {
        align-items: flex-start;
        flex-direction: column;
      }

      .board-item span {
        white-space: normal;
      }
    }