/* roulang page: index */
:root {
      --bg-0: #050b16;
      --bg-1: #071426;
      --bg-2: #0a1b31;
      --panel: rgba(13, 31, 53, .68);
      --panel-soft: rgba(255, 255, 255, .065);
      --panel-strong: rgba(16, 42, 72, .86);
      --text: #eaf4ff;
      --muted: #a9c0df;
      --weak: #7892b6;
      --line: rgba(130, 188, 255, .24);
      --line-strong: rgba(90, 171, 255, .5);
      --blue: #2f80ff;
      --blue-2: #36a3ff;
      --cyan: #22d3ee;
      --violet: #8b5cf6;
      --green: #43e5b4;
      --shadow: 0 24px 80px rgba(0, 0, 0, .42);
      --glow: 0 0 24px rgba(47, 128, 255, .42), 0 0 52px rgba(34, 211, 238, .18);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --container: 1220px;
      --nav-h: 104px;
      --ease: .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 6%, rgba(47, 128, 255, .22), transparent 28%),
        radial-gradient(circle at 85% 16%, rgba(139, 92, 246, .18), transparent 32%),
        radial-gradient(circle at 50% 70%, rgba(34, 211, 238, .09), transparent 36%),
        linear-gradient(145deg, var(--bg-0), var(--bg-1) 42%, #030712);
      line-height: 1.7;
      padding-bottom: 92px;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(142, 199, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(142, 199, 255, .045) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(120deg, transparent 0%, rgba(54, 163, 255, .045) 48%, transparent 68%);
      z-index: -1;
    }

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

    a:hover,
    a:focus {
      color: #ffffff;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    button,
    a,
    input,
    textarea {
      outline: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      box-shadow: 0 0 0 4px rgba(47, 128, 255, .25);
      border-color: var(--blue-2) !important;
    }

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

    .site-container {
      width: min(calc(100% - 32px), var(--container));
      margin-inline: auto;
    }

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

    .section-tight {
      padding: 52px 0;
    }

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

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .06em;
      margin-bottom: 10px;
    }

    .section-kicker::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(34, 211, 238, .8);
    }

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

    h1 {
      font-size: clamp(34px, 5.4vw, 58px);
      line-height: 1.12;
      font-weight: 820;
      letter-spacing: -.04em;
      margin-bottom: 18px;
    }

    h2 {
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.2;
      font-weight: 780;
      letter-spacing: -.025em;
      margin-bottom: 10px;
    }

    h3 {
      font-size: 21px;
      line-height: 1.35;
      font-weight: 760;
      margin-bottom: 10px;
    }

    p {
      color: var(--muted);
    }

    .lead {
      font-size: 18px;
      color: #c9ddf8;
      max-width: 820px;
      margin-inline: auto;
    }

    .text-muted {
      color: var(--muted);
    }

    .glass {
      background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .045));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }

    .glow-card {
      border-radius: var(--radius-lg);
      position: relative;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .glow-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 20% 0%, rgba(54, 163, 255, .18), transparent 34%);
      pointer-events: none;
      opacity: .85;
    }

    .glow-card:hover {
      transform: translateY(-4px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow), var(--glow);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 13px 22px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 760;
      line-height: 1;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--blue), var(--blue-2) 58%, var(--cyan));
      color: #fff;
      box-shadow: 0 10px 34px rgba(47, 128, 255, .35), inset 0 1px 0 rgba(255,255,255,.28);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 46px rgba(47, 128, 255, .52), 0 0 32px rgba(34, 211, 238, .25);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, .06);
      color: #dff0ff;
      border-color: rgba(116, 185, 255, .42);
    }

    .btn-secondary:hover {
      background: rgba(47, 128, 255, .16);
      border-color: rgba(54, 163, 255, .7);
      color: #fff;
      transform: translateY(-2px);
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border: 1px solid rgba(120, 180, 255, .28);
      background: rgba(255,255,255,.055);
      color: #d7eaff;
      border-radius: 999px;
      padding: 7px 11px;
      font-size: 13px;
      line-height: 1;
      transition: background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    .tag:hover {
      background: rgba(47,128,255,.16);
      border-color: rgba(54, 163, 255, .68);
      box-shadow: 0 0 22px rgba(47, 128, 255, .22);
      transform: translateY(-1px);
    }

    .badge.hot {
      color: #dffcff;
      border-color: rgba(34, 211, 238, .38);
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 14px rgba(67, 229, 180, .75);
      flex: 0 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(4, 13, 25, .82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(120, 180, 255, .18);
      box-shadow: 0 14px 42px rgba(0, 0, 0, .22);
    }

    .brand-row {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
      font-weight: 820;
      color: #fff;
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(47,128,255,.95), rgba(34,211,238,.85)),
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.65), transparent 32%);
      box-shadow: 0 0 32px rgba(47, 128, 255, .34);
      display: grid;
      place-items: center;
      color: white;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .brand-text {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 18px;
    }

    .brand-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-search {
      width: 260px;
      height: 38px;
      display: flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(120, 180, 255, .24);
      background: rgba(255,255,255,.055);
      border-radius: 999px;
      padding: 0 13px;
      color: var(--weak);
    }

    .nav-search input {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--text);
      box-shadow: none;
      height: 34px;
      padding: 0;
      margin: 0;
      font-size: 14px;
    }

    .nav-search input::placeholder {
      color: #7f99ba;
    }

    .portal-row {
      border-top: 1px solid rgba(120, 180, 255, .12);
      min-height: 45px;
    }

    .portal-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 8px 0;
    }

    .channel-nav,
    .trend-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .channel-nav a {
      position: relative;
      padding: 8px 13px;
      border-radius: 999px;
      font-size: 14px;
      color: #bdd4ef;
      border: 1px solid transparent;
    }

    .channel-nav a:hover {
      color: #fff;
      background: rgba(255,255,255,.06);
      border-color: rgba(120,180,255,.18);
    }

    .channel-nav a.active {
      color: #fff;
      background: rgba(47, 128, 255, .18);
      border-color: rgba(54, 163, 255, .45);
      box-shadow: inset 0 0 18px rgba(47, 128, 255, .12);
    }

    .trend-label {
      font-size: 12px;
      color: var(--weak);
      margin-right: 2px;
      white-space: nowrap;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border: 1px solid rgba(120,180,255,.28);
      background: rgba(255,255,255,.06);
      color: #fff;
      cursor: pointer;
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid rgba(120,180,255,.14);
      padding: 12px 0 16px;
    }

    .hero {
      padding: 92px 0 58px;
      min-height: 640px;
      display: flex;
      align-items: center;
    }

    .hero-shell {
      text-align: center;
      border-radius: 34px;
      padding: 56px 42px 34px;
      overflow: hidden;
      position: relative;
      background:
        linear-gradient(180deg, rgba(12, 30, 52, .72), rgba(6, 18, 33, .74)),
        radial-gradient(circle at 50% 0%, rgba(47, 128, 255, .2), transparent 44%);
      border: 1px solid rgba(126, 190, 255, .26);
      box-shadow: 0 34px 110px rgba(0, 0, 0, .44);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent, rgba(54, 163, 255, .12), transparent),
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 100% 100%, 100% 18px;
      opacity: .55;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero .lead {
      max-width: 780px;
      margin-bottom: 28px;
    }

    .hero-search-wrap {
      max-width: 760px;
      margin: 0 auto 18px;
      padding: 8px;
      border-radius: 999px;
      border: 1px solid rgba(120,180,255,.28);
      background: rgba(255,255,255,.08);
      box-shadow: 0 18px 55px rgba(0,0,0,.24);
      display: flex;
      gap: 8px;
    }

    .hero-search-wrap input {
      flex: 1;
      height: 54px;
      border: 0;
      border-radius: 999px;
      background: rgba(4, 13, 25, .42);
      color: var(--text);
      padding: 0 22px;
      margin: 0;
      box-shadow: none;
      min-width: 0;
    }

    .hero-search-wrap input::placeholder {
      color: #91a9c8;
    }

    .hero-quick {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      margin: 18px auto 28px;
    }

    .hero-data {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 790px;
      margin: 26px auto 0;
    }

    .data-chip {
      border-radius: 18px;
      padding: 15px 16px;
      border: 1px solid rgba(120,180,255,.22);
      background: rgba(255,255,255,.055);
      text-align: left;
    }

    .data-chip strong {
      display: block;
      font-size: 22px;
      color: #fff;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .data-chip span {
      display: block;
      font-size: 13px;
      color: var(--muted);
      line-height: 1.35;
    }

    .progress-panel {
      padding: 30px;
    }

    .progress-top {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      margin-bottom: 22px;
    }

    .progress-meter {
      height: 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(120,180,255,.2);
      overflow: hidden;
      margin-bottom: 18px;
    }

    .progress-meter span {
      display: block;
      width: 68%;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--blue), var(--cyan));
      box-shadow: 0 0 22px rgba(34,211,238,.38);
    }

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

    .node {
      padding: 15px;
      border-radius: 18px;
      border: 1px solid rgba(120,180,255,.2);
      background: rgba(255,255,255,.045);
    }

    .node b {
      display: block;
      color: #fff;
      margin-bottom: 4px;
    }

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

    .tiers-grid {
      align-items: stretch;
    }

    .tier-card {
      height: 100%;
      padding: 26px;
    }

    .tier-card.featured {
      background:
        linear-gradient(180deg, rgba(47,128,255,.18), rgba(255,255,255,.055));
      border-color: rgba(54, 163, 255, .52);
      transform: translateY(-8px);
    }

    .tier-price {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin: 18px 0;
    }

    .tier-price strong {
      font-size: 34px;
      line-height: 1;
      color: #fff;
    }

    .tier-price span {
      color: var(--weak);
      font-size: 14px;
    }

    .check-list {
      list-style: none;
      margin: 0 0 22px;
      padding: 0;
      display: grid;
      gap: 11px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: #c6daf4;
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      width: 20px;
      height: 20px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      color: #062033;
      background: linear-gradient(135deg, var(--cyan), #87f3ff);
      font-size: 12px;
      font-weight: 900;
      flex: 0 0 auto;
      margin-top: 2px;
    }

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

    .signal-card {
      padding: 28px;
      min-height: 100%;
    }

    .signal-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

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

    .feedback-item {
      padding: 18px;
      border-radius: 20px;
      border: 1px solid rgba(120,180,255,.2);
      background: rgba(255,255,255,.055);
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 13px;
    }

    .avatar-dot {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(47,128,255,.95), rgba(139,92,246,.9));
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 800;
      box-shadow: 0 0 24px rgba(47,128,255,.28);
    }

    .feedback-item p {
      margin: 0;
      font-size: 15px;
    }

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

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
      gap: 18px;
    }

    .news-list,
    .recommend-panel {
      padding: 22px;
    }

    .news-list ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 2px;
    }

    .news-list li a {
      display: grid;
      grid-template-columns: 110px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px 12px;
      border-radius: 16px;
      border-bottom: 1px solid rgba(120,180,255,.08);
      color: #d8eaff;
    }

    .news-list li a:hover {
      background: rgba(47,128,255,.12);
      transform: translateX(3px);
    }

    .news-list time {
      color: var(--weak);
      font-size: 13px;
    }

    .news-list b {
      color: #fff;
      font-size: 16px;
    }

    .news-list span {
      color: var(--cyan);
    }

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

    .recommend-item {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(120,180,255,.17);
    }

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

    .recommend-item p {
      margin: 0;
      font-size: 14px;
    }

    .topic-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 16px;
    }

    .topic-card {
      padding: 24px;
      min-height: 210px;
    }

    .topic-card.large {
      grid-row: span 2;
      min-height: 438px;
    }

    .topic-card .metric-line {
      margin-top: 20px;
    }

    .metric-line {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      border: 1px solid rgba(120,180,255,.16);
    }

    .metric-line i {
      display: block;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--blue), var(--cyan));
      box-shadow: 0 0 18px rgba(34,211,238,.35);
    }

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

    .guard-item {
      padding: 20px;
      border-radius: 22px;
      border: 1px solid rgba(120,180,255,.2);
      background: rgba(255,255,255,.052);
    }

    .guard-icon {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      margin-bottom: 12px;
      color: #fff;
      background: rgba(47,128,255,.18);
      border: 1px solid rgba(54,163,255,.32);
      box-shadow: 0 0 20px rgba(47,128,255,.16);
    }

    .faq-wrap {
      max-width: 920px;
      margin-inline: auto;
    }

    .accordion {
      background: transparent;
      border: 0;
    }

    .accordion-item {
      margin-bottom: 12px;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(120,180,255,.2);
      background: rgba(255,255,255,.055);
    }

    .accordion-title {
      color: #fff;
      border: 0;
      background: transparent;
      font-size: 16px;
      font-weight: 760;
      padding: 18px 54px 18px 20px;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(47,128,255,.12);
      color: #fff;
    }

    .accordion-title::before {
      color: var(--cyan);
      right: 20px;
      font-size: 22px;
      margin-top: -13px;
    }

    .accordion-content {
      border: 0;
      background: rgba(4, 13, 25, .22);
      color: var(--muted);
      padding: 0 20px 18px;
    }

    .cta-panel {
      padding: 34px;
      border-radius: 30px;
      display: grid;
      grid-template-columns: 1fr 430px;
      gap: 24px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(47,128,255,.16), rgba(139,92,246,.1)),
        rgba(255,255,255,.055);
    }

    .lead-form {
      display: grid;
      gap: 12px;
    }

    .lead-form input,
    .lead-form textarea {
      width: 100%;
      border: 1px solid rgba(120,180,255,.24);
      background: rgba(3, 12, 23, .48);
      color: var(--text);
      border-radius: 16px;
      padding: 13px 15px;
      margin: 0;
      box-shadow: none;
      min-height: 48px;
    }

    .lead-form textarea {
      min-height: 92px;
      resize: vertical;
    }

    .lead-form input::placeholder,
    .lead-form textarea::placeholder {
      color: #7e97b8;
    }

    .site-footer {
      background: rgba(2, 8, 16, .82);
      border-top: 1px solid rgba(120,180,255,.18);
      padding: 52px 0 26px;
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(34,211,238,.52), transparent);
    }

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

    .footer-title {
      color: #fff;
      font-weight: 800;
      margin-bottom: 12px;
    }

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

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

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

    .copyright {
      margin-top: 32px;
      padding-top: 20px;
      border-top: 1px solid rgba(120,180,255,.1);
      color: var(--weak);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      background: rgba(5, 13, 25, .88);
      border-top: 1px solid rgba(54, 163, 255, .38);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: 0 -18px 52px rgba(0,0,0,.32), 0 0 28px rgba(47,128,255,.12);
    }

    .fixed-inner {
      width: min(calc(100% - 32px), var(--container));
      min-height: 74px;
      margin-inline: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .fixed-copy strong {
      color: #fff;
      display: block;
      line-height: 1.2;
    }

    .fixed-copy span {
      color: var(--muted);
      font-size: 13px;
      display: block;
      margin-top: 2px;
    }

    @media (max-width: 1024px) {
      .nav-search {
        width: 210px;
      }

      .trend-nav {
        display: none;
      }

      .hero {
        min-height: auto;
        padding-top: 72px;
      }

      .progress-nodes,
      .guard-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .support-wall,
      .news-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

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

      .topic-card.large {
        grid-row: auto;
        grid-column: span 2;
        min-height: 260px;
      }

      .tier-card.featured {
        transform: none;
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 112px;
      }

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

      .section {
        padding: 54px 0;
      }

      .brand-actions .nav-search,
      .brand-actions .btn-secondary,
      .brand-actions .btn-primary {
        display: none;
      }

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

      .portal-row {
        display: none;
      }

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

      .mobile-panel .channel-nav,
      .mobile-panel .trend-nav {
        display: flex;
        flex-wrap: wrap;
        margin-top: 10px;
      }

      .mobile-panel .nav-search {
        display: flex;
        width: 100%;
        margin-bottom: 10px;
      }

      .hero-shell {
        border-radius: 26px;
        padding: 42px 18px 24px;
      }

      .hero-search-wrap {
        border-radius: 24px;
        flex-direction: column;
        padding: 10px;
      }

      .hero-search-wrap input,
      .hero-search-wrap .btn {
        width: 100%;
      }

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

      .section-head {
        display: block;
      }

      .progress-top {
        display: block;
      }

      .topic-grid,
      .guard-strip,
      .progress-nodes {
        grid-template-columns: 1fr;
      }

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

      .news-list li a {
        grid-template-columns: 1fr auto;
        gap: 8px;
      }

      .news-list time {
        grid-column: 1 / -1;
      }

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

      .fixed-inner {
        min-height: 88px;
        align-items: stretch;
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 10px 0;
      }

      .fixed-inner .btn {
        width: 100%;
        min-height: 42px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 33px;
      }

      .brand-text {
        max-width: 245px;
      }

      .hero {
        padding: 48px 0 36px;
      }

      .progress-panel,
      .tier-card,
      .signal-card,
      .news-list,
      .recommend-panel,
      .cta-panel {
        padding: 20px;
      }

      .btn {
        width: 100%;
      }

      .hero-quick .tag,
      .signal-cloud .tag {
        width: 100%;
        justify-content: center;
      }

      .copyright {
        display: block;
      }
    }

/* roulang page: category1 */
:root{
      --bg-0:#050c17;
      --bg-1:#06111f;
      --bg-2:#081a2e;
      --panel:rgba(12,28,48,.66);
      --panel-strong:rgba(14,34,58,.82);
      --panel-soft:rgba(255,255,255,.055);
      --line:rgba(126,184,255,.24);
      --line-strong:rgba(77,166,255,.5);
      --text:#eaf4ff;
      --muted:#a9bdd8;
      --muted-2:#7f96b7;
      --blue:#2f80ff;
      --blue-2:#36a3ff;
      --cyan:#22d3ee;
      --violet:#8b5cf6;
      --success:#5eead4;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --glow:0 0 0 1px rgba(54,163,255,.24),0 0 36px rgba(47,128,255,.24);
      --container:1220px;
      --nav-height:112px;
      --bottom-bar:82px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 16% 8%, rgba(47,128,255,.22), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(34,211,238,.13), transparent 30%),
        linear-gradient(135deg,var(--bg-0),var(--bg-2) 52%,#050814);
      overflow-x:hidden;
      padding-bottom:var(--bottom-bar);
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 88%);
      z-index:-2;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease}
    a:hover,a:focus{color:#fff}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    input,textarea,select{
      width:100%;
      border:1px solid var(--line);
      color:var(--text);
      background:rgba(3,12,24,.66);
      border-radius:16px;
      padding:13px 15px;
      outline:none;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    input::placeholder,textarea::placeholder{color:#7890ad}
    input:focus,textarea:focus,select:focus{
      border-color:rgba(54,163,255,.8);
      box-shadow:0 0 0 4px rgba(47,128,255,.16);
      background:rgba(7,20,38,.86);
    }
    textarea{min-height:112px;resize:vertical}
    .site-container{width:min(calc(100% - 36px),var(--container));margin-inline:auto}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;
      border:1px solid rgba(34,211,238,.28);
      border-radius:999px;
      background:rgba(34,211,238,.08);
      color:#c7f7ff;
      font-size:13px;
      letter-spacing:.03em;
      margin-bottom:16px;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(34,211,238,.86);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:flex-end;
      margin-bottom:30px;
    }
    .section-head h2,.section-title{
      margin:0;
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.02em;
      color:#f4f9ff;
    }
    .section-head p,.section-desc{
      margin:10px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:16px;
    }
    .btn-glow,.btn-ghost,.btn-text{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      border-radius:999px;
      font-weight:700;
      line-height:1;
      white-space:nowrap;
    }
    .btn-glow{
      color:#fff;
      padding:14px 22px;
      border:1px solid rgba(158,211,255,.55);
      background:linear-gradient(135deg,var(--blue),var(--blue-2) 54%,var(--cyan));
      box-shadow:0 12px 34px rgba(47,128,255,.34), inset 0 1px 0 rgba(255,255,255,.28);
    }
    .btn-glow:hover,.btn-glow:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 48px rgba(47,128,255,.52),0 0 26px rgba(34,211,238,.28);
    }
    .btn-ghost{
      color:#cfe8ff;
      padding:13px 20px;
      border:1px solid rgba(126,184,255,.34);
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(14px);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      background:rgba(47,128,255,.14);
      border-color:rgba(54,163,255,.72);
      transform:translateY(-2px);
    }
    .btn-text{
      color:#9ddcff;
      font-size:14px;
    }
    .btn-text:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
    .glass-card{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035)),var(--panel);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
      overflow:hidden;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .glass-card:after{
      content:"";
      position:absolute;
      inset:auto 24px 0 24px;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(34,211,238,.7),transparent);
      opacity:.45;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(54,163,255,.55);
      box-shadow:var(--shadow),var(--glow);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid rgba(126,184,255,.25);
      color:#bfe7ff;
      background:rgba(47,128,255,.1);
      font-size:12px;
      line-height:1.2;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(5,12,23,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(126,184,255,.18);
      box-shadow:0 16px 42px rgba(0,0,0,.22);
    }
    .top-strip{
      border-bottom:1px solid rgba(126,184,255,.12);
    }
    .brand-row{
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:#fff;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand:hover{color:#fff}
    .brand-mark{
      width:36px;height:36px;
      display:grid;place-items:center;
      border-radius:13px;
      background:linear-gradient(135deg,var(--blue),var(--cyan));
      color:#fff;
      box-shadow:0 0 26px rgba(47,128,255,.48);
    }
    .brand-text{font-size:18px}
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .search-shell{
      position:relative;
      width:min(360px,34vw);
    }
    .search-shell input{
      height:40px;
      padding:10px 42px 10px 15px;
      border-radius:999px;
      font-size:14px;
      background:rgba(255,255,255,.055);
    }
    .search-shell span{
      position:absolute;
      right:14px;top:50%;
      transform:translateY(-50%);
      color:#82bfff;
      font-size:14px;
    }
    .trend-mini{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(139,92,246,.35);
      background:rgba(139,92,246,.12);
      color:#dfd5ff;
      font-size:13px;
      white-space:nowrap;
    }
    .mobile-toggle{
      display:none;
      width:42px;height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      color:#fff;
      background:rgba(255,255,255,.06);
    }
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      display:block;
      width:18px;height:2px;
      margin:auto;
      background:#dff2ff;
      border-radius:3px;
      content:"";
      transition:transform .2s ease, opacity .2s ease;
    }
    .mobile-toggle span:before{transform:translateY(-6px)}
    .mobile-toggle span:after{transform:translateY(4px)}
    .mobile-toggle.is-open span{background:transparent}
    .mobile-toggle.is-open span:before{transform:translateY(1px) rotate(45deg)}
    .mobile-toggle.is-open span:after{transform:translateY(-1px) rotate(-45deg)}
    .nav-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:49px;
      gap:18px;
    }
    .channel-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .channel-nav a{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:#b9cce5;
      font-size:14px;
      font-weight:700;
    }
    .channel-nav a:hover{
      color:#fff;
      background:rgba(47,128,255,.12);
    }
    .channel-nav a.active{
      color:#fff;
      background:rgba(47,128,255,.22);
      box-shadow:inset 0 0 0 1px rgba(54,163,255,.36),0 0 20px rgba(47,128,255,.16);
    }
    .hot-tags{
      display:flex;
      align-items:center;
      gap:8px;
      overflow:auto;
      scrollbar-width:none;
      color:var(--muted);
      font-size:13px;
    }
    .hot-tags::-webkit-scrollbar{display:none}
    .hot-tags a{
      flex:0 0 auto;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(126,184,255,.14);
      color:#9fb8d5;
    }
    .hot-tags a:hover{
      color:#fff;
      border-color:rgba(34,211,238,.5);
      background:rgba(34,211,238,.09);
    }
    .category-hero{
      position:relative;
      min-height:610px;
      display:flex;
      align-items:center;
      padding:92px 0 70px;
      overflow:hidden;
      border-bottom:1px solid rgba(126,184,255,.16);
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(5,12,23,.93),rgba(5,12,23,.68) 46%,rgba(5,12,23,.9)),
        radial-gradient(circle at 70% 35%,rgba(47,128,255,.34),transparent 34%),
        linear-gradient(135deg,#071223,#0b2648 48%,#050815);
      z-index:-2;
    }
    .category-hero:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
      background-size:30px 30px;
      opacity:.7;
      z-index:-1;
    }
    .hero-content{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:34px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:18px;
      color:#91a8c7;
      font-size:13px;
    }
    .breadcrumb a{color:#b8d8ff}
    .breadcrumb a:hover{color:#fff}
    h1{
      margin:0;
      font-size:clamp(32px,5vw,55px);
      line-height:1.13;
      letter-spacing:-.04em;
      font-weight:850;
      color:#f7fbff;
      text-shadow:0 0 40px rgba(54,163,255,.2);
    }
    .hero-lead{
      margin:20px 0 0;
      max-width:720px;
      color:#bfd1ea;
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:14px;
      margin-top:28px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .video-panel{
      padding:18px;
      min-height:430px;
      isolation:isolate;
    }
    .video-stage{
      position:relative;
      min-height:255px;
      border-radius:24px;
      border:1px solid rgba(126,184,255,.25);
      background:
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.025)),
        radial-gradient(circle at 50% 40%,rgba(34,211,238,.21),transparent 44%),
        #08182c;
      overflow:hidden;
      box-shadow:inset 0 0 60px rgba(47,128,255,.1);
    }
    .video-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 0 70%,rgba(0,0,0,.35)),repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 8px);
      opacity:.8;
    }
    .play-button{
      position:absolute;
      left:50%;
      top:50%;
      transform:translate(-50%,-50%);
      width:76px;height:76px;
      border-radius:999px;
      border:1px solid rgba(191,231,255,.64);
      background:linear-gradient(135deg,rgba(47,128,255,.9),rgba(34,211,238,.72));
      box-shadow:0 0 42px rgba(47,128,255,.55);
      display:grid;
      place-items:center;
      color:#fff;
    }
    .play-button:after{
      content:"";
      margin-left:5px;
      width:0;height:0;
      border-top:13px solid transparent;
      border-bottom:13px solid transparent;
      border-left:20px solid #fff;
    }
    .stage-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(3,12,24,.72);
      border:1px solid rgba(126,184,255,.22);
      backdrop-filter:blur(14px);
      color:#dff2ff;
      font-weight:700;
      font-size:14px;
    }
    .pulse-dot{
      width:10px;height:10px;
      border-radius:999px;
      background:var(--success);
      box-shadow:0 0 18px rgba(94,234,212,.8);
      flex:0 0 auto;
    }
    .panel-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .mini-panel{
      padding:15px;
      border:1px solid rgba(126,184,255,.18);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .mini-panel strong{
      display:block;
      color:#fff;
      margin-bottom:5px;
      font-size:15px;
    }
    .mini-panel span{
      color:var(--muted);
      font-size:13px;
    }
    .filter-board{
      margin-top:-38px;
      position:relative;
      z-index:4;
    }
    .filter-card{
      padding:22px;
      border-radius:26px;
      border:1px solid rgba(126,184,255,.24);
      background:rgba(7,19,35,.78);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 60px rgba(0,0,0,.34);
    }
    .filter-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr auto;
      gap:12px;
      align-items:end;
    }
    .filter-field label{
      display:block;
      margin:0 0 7px;
      color:#c5d9f4;
      font-size:13px;
      font-weight:700;
    }
    .filter-card .btn-glow{width:100%;min-height:49px}
    .trend-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .trend-cloud a{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(126,184,255,.2);
      background:rgba(255,255,255,.045);
      color:#b7cae4;
      font-size:14px;
    }
    .trend-cloud a:hover{
      color:#fff;
      transform:translateY(-2px);
      border-color:rgba(34,211,238,.62);
      box-shadow:0 0 24px rgba(34,211,238,.14);
    }
    .feature-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-main,.feature-side{
      padding:28px;
    }
    .feature-side{
      display:grid;
      gap:18px;
      background:transparent;
      border:0;
      box-shadow:none;
      padding:0;
    }
    .feature-box{
      padding:24px;
      min-height:202px;
    }
    .feature-title{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .feature-title h3,.entry-card h3,.index-card h3{
      margin:0;
      color:#fff;
      font-size:22px;
      line-height:1.3;
      font-weight:800;
    }
    .check-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .check-list li{
      position:relative;
      padding-left:25px;
      color:#c4d5ed;
    }
    .check-list li:before{
      content:"";
      position:absolute;
      left:0;top:.58em;
      width:11px;height:11px;
      border-radius:50%;
      background:rgba(34,211,238,.16);
      border:1px solid rgba(34,211,238,.7);
      box-shadow:0 0 14px rgba(34,211,238,.34);
    }
    .metric-row{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .metric-line{
      display:grid;
      grid-template-columns:96px 1fr 46px;
      align-items:center;
      gap:12px;
      color:#b9cce4;
      font-size:14px;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--blue),var(--cyan));
      box-shadow:0 0 14px rgba(34,211,238,.35);
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .entry-card{
      padding:22px;
      min-height:245px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .entry-card.featured{
      grid-column:span 2;
      min-height:290px;
      background:
        linear-gradient(135deg,rgba(47,128,255,.22),rgba(34,211,238,.07) 46%,rgba(255,255,255,.035)),
        var(--panel);
    }
    .entry-card p{
      margin:12px 0 18px;
      color:var(--muted);
      font-size:15px;
    }
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:#8399b8;
      font-size:12px;
      margin-top:8px;
    }
    .entry-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:14px;
    }
    .entry-no{
      color:#79caff;
      font-size:13px;
      font-weight:800;
    }
    .console-section{
      position:relative;
      border-top:1px solid rgba(126,184,255,.12);
      border-bottom:1px solid rgba(126,184,255,.12);
      background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.012));
    }
    .console-layout{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:start;
    }
    .steps{
      padding:26px;
    }
    .step-item{
      position:relative;
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      padding:0 0 24px;
    }
    .step-item:not(:last-child):before{
      content:"";
      position:absolute;
      left:20px;
      top:38px;
      bottom:2px;
      width:1px;
      background:linear-gradient(var(--blue),rgba(47,128,255,.08));
    }
    .step-num{
      width:42px;height:42px;
      border-radius:999px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:800;
      background:rgba(47,128,255,.18);
      border:1px solid rgba(54,163,255,.45);
      box-shadow:0 0 20px rgba(47,128,255,.18);
    }
    .step-item h3{
      margin:2px 0 4px;
      color:#fff;
      font-size:18px;
    }
    .step-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .preview-console{
      padding:22px;
    }
    .console-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding-bottom:16px;
      border-bottom:1px solid rgba(126,184,255,.14);
      margin-bottom:16px;
    }
    .console-lights{display:flex;gap:7px}
    .console-lights i{
      width:10px;height:10px;border-radius:999px;
      background:rgba(126,184,255,.42);
    }
    .console-lights i:nth-child(2){background:rgba(34,211,238,.62)}
    .console-lights i:nth-child(3){background:rgba(139,92,246,.62)}
    .index-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0 10px;
      margin:0;
    }
    .index-table th{
      color:#8fb2d8;
      font-size:13px;
      text-align:left;
      font-weight:700;
      padding:0 12px 4px;
    }
    .index-table td{
      padding:14px 12px;
      color:#d6e6f7;
      background:rgba(255,255,255,.045);
      border-top:1px solid rgba(126,184,255,.12);
      border-bottom:1px solid rgba(126,184,255,.12);
      font-size:14px;
    }
    .index-table td:first-child{
      border-left:1px solid rgba(126,184,255,.12);
      border-radius:14px 0 0 14px;
      color:#fff;
      font-weight:800;
    }
    .index-table td:last-child{
      border-right:1px solid rgba(126,184,255,.12);
      border-radius:0 14px 14px 0;
    }
    .index-cards-mobile{display:none}
    .proof-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
    }
    .signal-wall{
      padding:28px;
    }
    .signal-score{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:22px;
    }
    .score-box{
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(126,184,255,.16);
      background:rgba(255,255,255,.045);
    }
    .score-box strong{
      display:block;
      color:#fff;
      font-size:26px;
      line-height:1.2;
    }
    .score-box span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-top:4px;
    }
    .feedback-list{
      display:grid;
      gap:14px;
    }
    .feedback-card{
      padding:20px;
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
    }
    .avatar-dot{
      width:44px;height:44px;
      border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,rgba(47,128,255,.9),rgba(139,92,246,.72));
      box-shadow:0 0 24px rgba(47,128,255,.22);
    }
    .feedback-card p{
      margin:5px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .feedback-card strong{color:#fff}
    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid rgba(126,184,255,.2);
      border-radius:18px;
      overflow:hidden;
      background:rgba(12,28,48,.6);
      backdrop-filter:blur(14px);
    }
    .accordion-title{
      border:0!important;
      color:#f1f7ff;
      font-size:17px;
      font-weight:800;
      padding:18px 54px 18px 20px;
      background:rgba(255,255,255,.035);
    }
    .accordion-title:hover,.accordion-title:focus{
      color:#fff;
      background:rgba(47,128,255,.12);
    }
    .accordion-title:before{
      color:#8fdcff;
      font-size:22px;
      right:20px;
      margin-top:-12px;
    }
    .accordion-content{
      border:0!important;
      color:#bdd0e8;
      background:rgba(5,12,23,.28);
      padding:0 20px 20px;
      line-height:1.75;
    }
    .submit-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .submit-card{padding:28px}
    .form-card{padding:24px}
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-bottom:12px;
    }
    .form-note{
      margin:12px 0 0;
      color:#8fa6c4;
      font-size:13px;
    }
    .site-footer{
      position:relative;
      background:linear-gradient(180deg,rgba(3,9,18,.6),#030812);
      border-top:1px solid rgba(54,163,255,.24);
      padding:56px 0 26px;
      margin-top:18px;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:-1px;left:0;right:0;height:1px;
      background:linear-gradient(90deg,transparent,rgba(34,211,238,.62),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .75fr .75fr;
      gap:32px;
      align-items:start;
    }
    .site-footer p{color:var(--muted);margin-bottom:0}
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:13px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#9fb3cf;
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(126,184,255,.12);
      color:#7f94b0;
      font-size:13px;
    }
    .sticky-cta{
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:90;
      background:rgba(4,11,21,.86);
      border-top:1px solid rgba(54,163,255,.35);
      backdrop-filter:blur(18px);
      box-shadow:0 -18px 60px rgba(0,0,0,.34);
    }
    .sticky-cta-inner{
      width:min(calc(100% - 36px),var(--container));
      min-height:var(--bottom-bar);
      margin:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .sticky-copy{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .sticky-copy strong{
      color:#fff;
      display:block;
      line-height:1.25;
    }
    .sticky-copy span{
      display:block;
      color:#9fb5d1;
      font-size:13px;
      margin-top:2px;
    }
    .sticky-actions{
      display:flex;
      gap:10px;
      align-items:center;
      flex:0 0 auto;
    }
    @media (max-width:1024px){
      :root{--nav-height:72px}
      .brand-row{min-height:64px}
      .mobile-toggle{display:grid;place-items:center;flex:0 0 auto}
      .header-actions .trend-mini,.header-actions .btn-glow{display:none}
      .search-shell{width:min(310px,42vw)}
      .nav-row{
        display:none;
        padding:12px 0 16px;
        min-height:auto;
      }
      .nav-row.is-open{display:block}
      .channel-nav{
        align-items:stretch;
        flex-direction:column;
        gap:8px;
      }
      .channel-nav a{border:1px solid rgba(126,184,255,.13)}
      .hot-tags{
        margin-top:12px;
        padding-bottom:3px;
      }
      .hero-content,.feature-layout,.console-layout,.proof-grid,.submit-grid{
        grid-template-columns:1fr;
      }
      .category-hero{min-height:auto;padding:66px 0 76px}
      .video-panel{min-height:auto}
      .filter-grid{grid-template-columns:1fr 1fr}
      .entry-grid{grid-template-columns:repeat(2,1fr)}
      .entry-card.featured{grid-column:span 2}
      .section-head{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:760px){
      body{padding-bottom:104px}
      :root{--bottom-bar:104px}
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:58px 0}
      .section-tight{padding:42px 0}
      .brand-text{font-size:15px;max-width:210px;line-height:1.25}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .search-shell{display:none}
      .category-hero{padding:50px 0 68px}
      .hero-lead{font-size:16px}
      .hero-actions{align-items:stretch;flex-direction:column}
      .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
      .video-stage{min-height:220px}
      .stage-caption{align-items:flex-start;flex-direction:column}
      .panel-list{grid-template-columns:1fr}
      .filter-board{margin-top:-28px}
      .filter-grid{grid-template-columns:1fr}
      .feature-main,.feature-box,.steps,.preview-console,.signal-wall,.submit-card,.form-card{padding:20px}
      .entry-grid{grid-template-columns:1fr}
      .entry-card.featured{grid-column:span 1}
      .metric-line{grid-template-columns:82px 1fr 38px}
      .index-table{display:none}
      .index-cards-mobile{
        display:grid;
        gap:12px;
      }
      .index-card{
        padding:16px;
        border-radius:18px;
        border:1px solid rgba(126,184,255,.16);
        background:rgba(255,255,255,.045);
      }
      .index-card h3{font-size:16px;margin-bottom:8px}
      .index-card p{margin:0;color:var(--muted);font-size:14px}
      .signal-score,.form-row{grid-template-columns:1fr}
      .feedback-card{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
      .sticky-cta-inner{
        min-height:var(--bottom-bar);
        align-items:stretch;
        justify-content:center;
        flex-direction:column;
        padding:12px 0;
        gap:10px;
      }
      .sticky-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}
      .sticky-actions .btn-glow,.sticky-actions .btn-ghost{width:100%;min-height:42px;padding:11px 12px;font-size:14px}
      .sticky-copy span{display:none}
    }
    @media (max-width:520px){
      h1{font-size:33px}
      .section-head h2,.section-title{font-size:25px}
      .trend-cloud a{width:100%;justify-content:space-between}
      .hero-meta .badge{width:100%;justify-content:center}
      .accordion-title{font-size:15px;padding-right:48px}
    }