/* roulang page: index */
:root {
      --bg: #09090f;
      --bg-2: #11111b;
      --panel: #171724;
      --panel-2: #1f1b2e;
      --text: #f6f7fb;
      --muted: #a8a9b8;
      --soft: #d7d9e8;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(64,232,255,.42);
      --cyan: #40e8ff;
      --purple: #a855ff;
      --orange: #ff8a1f;
      --green: #35f2a1;
      --danger: #ff4d6d;
      --shadow: 0 20px 60px rgba(0,0,0,.38);
      --glow: 0 0 28px rgba(64,232,255,.22);
      --radius: 18px;
      --radius-sm: 12px;
      --container: 1180px;
      --nav-h: 74px;
      --ease: .22s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.65;
      color: var(--text);
      background:
        radial-gradient(circle at 16% 12%, rgba(168,85,255,.22), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(64,232,255,.18), transparent 26%),
        linear-gradient(135deg, #08080d 0%, #11101b 46%, #0b0b12 100%);
      overflow-x: hidden;
      padding-bottom: 82px;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    button:disabled,
    .btn.is-disabled {
      opacity: .48;
      cursor: not-allowed;
      transform: none !important;
      box-shadow: none !important;
    }

    input {
      width: 100%;
      border: 1px solid var(--line);
      outline: none;
      color: var(--text);
      background: rgba(255,255,255,.06);
      border-radius: 14px;
      padding: 15px 16px;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input::placeholder {
      color: rgba(246,247,251,.45);
    }

    input:hover {
      border-color: rgba(64,232,255,.36);
      background: rgba(255,255,255,.08);
    }

    input:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(64,232,255,.12);
    }

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

    .topbar {
      position: sticky;
      top: 0;
      z-index: 60;
      border-bottom: 1px solid rgba(255,255,255,.08);
      background: rgba(7,7,12,.92);
      backdrop-filter: blur(16px);
    }

    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 13px;
      color: var(--muted);
    }

    .topbar strong {
      color: var(--cyan);
      font-weight: 800;
    }

    .topbar-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 4px 12px;
      border: 1px solid rgba(255,138,31,.45);
      border-radius: 999px;
      color: #fff3e5;
      background: rgba(255,138,31,.14);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
      white-space: nowrap;
    }

    .topbar-link:hover {
      transform: translateY(-1px);
      border-color: var(--orange);
      background: rgba(255,138,31,.22);
    }

    .site-header {
      position: sticky;
      top: 38px;
      z-index: 55;
      border-bottom: 1px solid rgba(255,255,255,.10);
      background: rgba(13,13,20,.84);
      backdrop-filter: blur(18px);
    }

    .nav {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      flex: 0 0 auto;
      border-radius: 13px;
      background:
        linear-gradient(135deg, rgba(64,232,255,.95), rgba(168,85,255,.86) 58%, rgba(255,138,31,.9));
      box-shadow: 0 0 22px rgba(64,232,255,.24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid rgba(9,9,15,.75);
      transform: skewX(-12deg);
    }

    .brand-text {
      max-width: 280px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 16px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: 999px;
      background: rgba(255,255,255,.04);
    }

    .nav-links a {
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 750;
      transition: color var(--ease), background var(--ease), box-shadow var(--ease);
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text);
      background: rgba(255,255,255,.08);
    }

    .nav-links a.active {
      color: #061015;
      background: var(--cyan);
      box-shadow: var(--glow);
    }

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

    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255,255,255,.07);
      border: 1px solid var(--line);
    }

    .menu-btn:hover,
    .menu-btn:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(64,232,255,.12);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 14px;
      font-weight: 900;
      line-height: 1;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
      user-select: none;
      white-space: nowrap;
    }

    .btn-primary {
      color: #05080c;
      background: linear-gradient(135deg, var(--cyan), #8afff2);
      box-shadow: 0 14px 34px rgba(64,232,255,.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 48px rgba(64,232,255,.34);
    }

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

    .btn-secondary {
      color: var(--text);
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
    }

    .btn-secondary:hover {
      border-color: rgba(168,85,255,.58);
      background: rgba(168,85,255,.13);
      transform: translateY(-2px);
    }

    .btn-orange {
      color: #130800;
      background: linear-gradient(135deg, var(--orange), #ffd166);
      box-shadow: 0 16px 38px rgba(255,138,31,.2);
    }

    .btn-orange:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(255,138,31,.32);
    }

    main {
      position: relative;
      z-index: 1;
    }

    section {
      padding: 82px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(220px, 420px);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      margin-bottom: 14px;
      padding: 6px 11px;
      border: 1px solid rgba(64,232,255,.30);
      border-radius: 999px;
      color: var(--cyan);
      background: rgba(64,232,255,.08);
      font-size: 13px;
      font-weight: 850;
    }

    .kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 12px rgba(53,242,161,.85);
    }

    h1,
    h2,
    h3 {
      line-height: 1.15;
      letter-spacing: 0;
    }

    h1 {
      max-width: 980px;
      font-size: clamp(38px, 6vw, 72px);
      font-weight: 950;
    }

    h2 {
      font-size: clamp(28px, 3.4vw, 46px);
      font-weight: 930;
    }

    h3 {
      font-size: 20px;
      font-weight: 900;
    }

    .lead {
      color: var(--soft);
      font-size: 17px;
    }

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

    .hero {
      padding: 54px 0 80px;
    }

    .hero-shell {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 26px;
      background:
        linear-gradient(115deg, rgba(255,255,255,.10), rgba(255,255,255,.03) 45%, rgba(64,232,255,.10)),
        linear-gradient(135deg, rgba(22,22,34,.92), rgba(20,15,30,.92));
      box-shadow: var(--shadow);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, transparent 0 28%, rgba(64,232,255,.11) 28% 29%, transparent 29% 62%, rgba(255,138,31,.10) 62% 63%, transparent 63%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 72px);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 34px;
      padding: clamp(30px, 5vw, 58px);
      align-items: center;
    }

    .hero-copy {
      min-width: 0;
    }

    .hero-copy .lead {
      max-width: 760px;
      margin-top: 20px;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
    }

    .stat-tile {
      min-height: 92px;
      padding: 16px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-sm);
      background: rgba(6,7,12,.42);
    }

    .stat-tile strong {
      display: block;
      color: var(--cyan);
      font-size: 26px;
      line-height: 1;
      margin-bottom: 8px;
    }

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

    .application-panel {
      display: grid;
      gap: 14px;
      padding: 18px;
      border: 1px solid rgba(64,232,255,.24);
      border-radius: 20px;
      background: rgba(5,7,12,.58);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.04), var(--glow);
    }

    .panel-top {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    .panel-top strong {
      font-size: 18px;
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--green);
      font-size: 13px;
      font-weight: 850;
      white-space: nowrap;
    }

    .status-dot::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 14px rgba(53,242,161,.9);
    }

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

    .badge-card {
      min-height: 112px;
      padding: 15px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.12);
      background: linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.035));
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .badge-card:hover {
      transform: translateY(-3px);
      border-color: rgba(64,232,255,.45);
      background: rgba(64,232,255,.08);
    }

    .badge-card b {
      display: block;
      margin-bottom: 6px;
      color: #fff;
    }

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

    .qualification {
      padding: 14px;
      border-radius: 16px;
      color: var(--soft);
      background: rgba(255,138,31,.10);
      border: 1px solid rgba(255,138,31,.24);
      font-size: 14px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .trust-pill,
    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .trust-pill {
      padding: 8px 11px;
      color: var(--soft);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
    }

    .trust-pill::before,
    .tag::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
    }

    .tag {
      padding: 6px 10px;
      color: var(--cyan);
      border: 1px solid rgba(64,232,255,.22);
      background: rgba(64,232,255,.08);
    }

    .badge {
      padding: 6px 10px;
      color: #120600;
      background: var(--orange);
    }

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

    .card {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      box-shadow: 0 14px 34px rgba(0,0,0,.22);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(64,232,255,.38);
      box-shadow: 0 18px 44px rgba(0,0,0,.32), var(--glow);
    }

    .card:active {
      transform: translateY(-1px);
    }

    .card-body {
      padding: 22px;
    }

    .feature-card {
      min-height: 234px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-index {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #05080c;
      background: var(--cyan);
      font-weight: 950;
      margin-bottom: 16px;
    }

    .feature-card:nth-child(2) .feature-index {
      background: var(--purple);
      color: #fff;
    }

    .feature-card:nth-child(3) .feature-index {
      background: var(--orange);
    }

    .feature-card p,
    .step-card p,
    .case-card p,
    .news-item p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .demo-section {
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.05)),
        rgba(0,0,0,.12);
      border-top: 1px solid rgba(255,255,255,.07);
      border-bottom: 1px solid rgba(255,255,255,.07);
    }

    .demo-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 18px;
      align-items: stretch;
    }

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

    .matrix-cell {
      min-height: 142px;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(10,11,18,.68);
    }

    .matrix-cell.is-hot {
      border-color: rgba(255,138,31,.46);
      background: linear-gradient(145deg, rgba(255,138,31,.18), rgba(255,255,255,.04));
    }

    .matrix-cell b {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
    }

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

    .route-panel {
      padding: 24px;
      border-radius: 20px;
      border: 1px solid rgba(168,85,255,.28);
      background:
        linear-gradient(135deg, rgba(168,85,255,.13), rgba(64,232,255,.06)),
        rgba(10,11,18,.76);
    }

    .route-list {
      display: grid;
      gap: 12px;
      margin-top: 18px;
      list-style: none;
    }

    .route-list li {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 14px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.10);
    }

    .route-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 11px;
      background: rgba(64,232,255,.16);
      color: var(--cyan);
      font-weight: 950;
    }

    .route-list small {
      color: var(--muted);
    }

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

    .step-card {
      padding: 24px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.055);
    }

    .step-card .tag {
      margin-bottom: 18px;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
    }

    .case-card {
      padding: 24px;
    }

    .before-after {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .ba-box {
      padding: 16px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
    }

    .ba-box strong {
      display: block;
      color: var(--cyan);
      margin-bottom: 8px;
    }

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

    .feedback {
      padding: 16px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.055);
    }

    .feedback b {
      display: block;
      margin-bottom: 6px;
    }

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

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

    .news-item {
      display: grid;
      grid-template-columns: 106px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.045);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .news-item:hover {
      transform: translateX(4px);
      border-color: rgba(64,232,255,.34);
      background: rgba(64,232,255,.07);
    }

    .news-date {
      color: var(--orange);
      font-weight: 900;
      font-size: 13px;
    }

    .news-item h3 {
      font-size: 17px;
    }

    .news-more {
      color: var(--cyan);
      font-weight: 900;
      white-space: nowrap;
    }

    .side-recommend {
      padding: 22px;
      border-radius: 18px;
      border: 1px solid rgba(255,138,31,.26);
      background: linear-gradient(145deg, rgba(255,138,31,.15), rgba(255,255,255,.045));
    }

    .side-recommend ul {
      display: grid;
      gap: 12px;
      list-style: none;
      margin: 18px 0;
    }

    .side-recommend li {
      padding-left: 18px;
      color: var(--soft);
      position: relative;
    }

    .side-recommend li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 11px;
      width: 8px;
      height: 2px;
      background: var(--orange);
    }

    .changelog {
      display: grid;
      gap: 14px;
    }

    .change-item {
      display: grid;
      grid-template-columns: 140px 1fr;
      gap: 18px;
      padding: 20px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.045);
    }

    .change-version {
      color: var(--green);
      font-weight: 950;
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }

    .timeline-node {
      padding: 20px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(10,11,18,.72);
      position: relative;
    }

    .timeline-node::before {
      content: "";
      position: absolute;
      top: 20px;
      right: -12px;
      width: 12px;
      height: 2px;
      background: rgba(64,232,255,.55);
    }

    .timeline-node:last-child::before {
      display: none;
    }

    .timeline-node time {
      display: block;
      color: var(--cyan);
      font-weight: 950;
      margin-bottom: 10px;
    }

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

    .faq-item {
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding: 18px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 900;
      transition: background var(--ease), color var(--ease);
    }

    .faq-question:hover,
    .faq-question:focus {
      background: rgba(64,232,255,.08);
      color: var(--cyan);
      outline: none;
    }

    .faq-question::after {
      content: "+";
      width: 26px;
      height: 26px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: rgba(255,255,255,.08);
      flex: 0 0 auto;
    }

    .faq-item.open .faq-question::after {
      content: "−";
      background: rgba(64,232,255,.18);
      color: var(--cyan);
    }

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

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

    .form-section {
      padding-bottom: 104px;
    }

    .cta-shell {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 20px;
      align-items: stretch;
      padding: 28px;
      border-radius: 24px;
      border: 1px solid rgba(64,232,255,.25);
      background:
        linear-gradient(130deg, rgba(64,232,255,.13), rgba(168,85,255,.10) 55%, rgba(255,138,31,.10)),
        rgba(10,11,18,.78);
      box-shadow: var(--shadow);
    }

    .quick-form {
      display: grid;
      gap: 12px;
      padding: 20px;
      border-radius: 18px;
      background: rgba(5,6,12,.58);
      border: 1px solid rgba(255,255,255,.12);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
    }

    .form-note {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
    }

    .form-state {
      min-height: 22px;
      color: var(--green);
      font-size: 13px;
      font-weight: 800;
    }

    .form-state.error {
      color: var(--danger);
    }

    .footer {
      border-top: 1px solid rgba(255,255,255,.10);
      background: rgba(6,6,10,.88);
      padding: 44px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 36px;
      align-items: start;
    }

    .footer h2 {
      font-size: 20px;
      margin-bottom: 10px;
    }

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

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

    .footer-links {
      display: grid;
      gap: 8px;
      min-width: 120px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 32px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(246,247,251,.55);
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 16px;
      z-index: 70;
      width: min(calc(100% - 28px), 760px);
      transform: translateX(-50%);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 14px 12px 18px;
      border: 1px solid rgba(64,232,255,.30);
      border-radius: 18px;
      background: rgba(12,12,20,.92);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 44px rgba(0,0,0,.42), var(--glow);
    }

    .fixed-cta b {
      display: block;
      font-size: 14px;
    }

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

    .empty-state,
    .loading-state,
    .error-state {
      padding: 14px;
      border-radius: 14px;
      font-size: 13px;
    }

    .empty-state {
      color: var(--muted);
      border: 1px dashed rgba(255,255,255,.20);
      background: rgba(255,255,255,.035);
    }

    .loading-state {
      color: var(--cyan);
      border: 1px solid rgba(64,232,255,.22);
      background: rgba(64,232,255,.08);
    }

    .error-state {
      color: #ffd1d9;
      border: 1px solid rgba(255,77,109,.30);
      background: rgba(255,77,109,.10);
    }

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

      .brand-text {
        max-width: 230px;
      }

      .hero-grid {
        grid-template-columns: 1fr .9fr;
      }
    }

    @media (max-width: 1024px) {
      .site-header {
        top: 38px;
      }

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

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        border-radius: 18px;
        padding: 10px;
        background: rgba(12,12,20,.96);
        box-shadow: var(--shadow);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        border-radius: 12px;
      }

      .nav-actions .btn {
        display: none;
      }

      .hero-grid,
      .demo-grid,
      .proof-grid,
      .news-layout,
      .cta-shell {
        grid-template-columns: 1fr;
      }

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

      .timeline-node::before {
        display: none;
      }

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

      .footer-grid > :first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 96px;
      }

      section {
        padding: 58px 0;
      }

      .topbar-inner {
        min-height: 44px;
      }

      .topbar-inner span {
        max-width: 58%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .hero {
        padding-top: 28px;
      }

      .hero-grid {
        padding: 24px;
      }

      .hero-stats,
      .grid-3,
      .steps-row,
      .faq-grid,
      .badge-grid,
      .before-after {
        grid-template-columns: 1fr;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

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

      .steps-row {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 6px;
      }

      .step-card {
        min-width: 82%;
        scroll-snap-align: start;
      }

      .news-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

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

      .form-row {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
      }

      .fixed-cta {
        align-items: stretch;
      }

      .fixed-cta .btn {
        min-width: 132px;
      }
    }

    @media (max-width: 480px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .brand-mark {
        width: 36px;
        height: 36px;
      }

      .brand-text {
        max-width: 178px;
        font-size: 14px;
      }

      .topbar-link {
        padding-inline: 9px;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 26px;
      }

      .hero-actions .btn,
      .quick-form .btn {
        width: 100%;
      }

      .hero-shell,
      .cta-shell {
        border-radius: 20px;
      }

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

      .fixed-cta {
        padding: 10px;
      }

      .fixed-cta > div {
        min-width: 0;
      }

      .fixed-cta b,
      .fixed-cta span {
        overflow-wrap: anywhere;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08070d;
      --bg-2: #111019;
      --panel: #171421;
      --panel-2: #201a2d;
      --text: #f7f4ff;
      --muted: #b9b1c9;
      --soft: #8f86a3;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(0,232,255,.38);
      --cyan: #00e8ff;
      --purple: #b75cff;
      --orange: #ff8a22;
      --green: #36f19a;
      --red: #ff5470;
      --shadow: 0 22px 70px rgba(0,0,0,.42);
      --glow: 0 0 28px rgba(0,232,255,.25);
      --radius: 18px;
      --radius-sm: 12px;
      --max: 1180px;
      --fast: .18s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      color: var(--text);
      background:
        radial-gradient(circle at 20% 0%, rgba(183,92,255,.22), transparent 30%),
        radial-gradient(circle at 78% 12%, rgba(0,232,255,.16), transparent 28%),
        linear-gradient(145deg, #08070d 0%, #12101a 48%, #090810 100%);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.65;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(115deg, transparent 0 18%, rgba(255,255,255,.035) 18.2% 18.7%, transparent 19% 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.026) 0 1px, transparent 1px 92px);
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 78%);
      z-index: -1;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    button:disabled,
    .btn.disabled {
      cursor: not-allowed;
      opacity: .55;
      filter: grayscale(.25);
      transform: none !important;
      box-shadow: none !important;
    }

    input {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.06);
      color: var(--text);
      outline: none;
      padding: 14px 15px;
      transition: border-color var(--fast), box-shadow var(--fast), background var(--fast);
    }

    input::placeholder {
      color: rgba(247,244,255,.48);
    }

    input:hover {
      border-color: rgba(0,232,255,.32);
      background: rgba(255,255,255,.08);
    }

    input:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(0,232,255,.15);
    }

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

    .top-strip {
      border-bottom: 1px solid var(--line);
      background: rgba(8,7,13,.82);
      backdrop-filter: blur(18px);
      position: sticky;
      top: 0;
      z-index: 30;
    }

    .top-strip-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      color: var(--muted);
      font-size: 13px;
    }

    .top-strip strong {
      color: var(--cyan);
      font-weight: 700;
    }

    .strip-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #08070d;
      background: var(--cyan);
      padding: 6px 12px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1.2;
      transition: transform var(--fast), box-shadow var(--fast);
      white-space: nowrap;
    }

    .strip-action:hover {
      transform: translateY(-1px);
      box-shadow: var(--glow);
    }

    .site-header {
      position: sticky;
      top: 38px;
      z-index: 29;
      border-bottom: 1px solid var(--line);
      background: rgba(12,10,18,.86);
      backdrop-filter: blur(20px);
    }

    .nav {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background:
        linear-gradient(135deg, rgba(0,232,255,.95), rgba(183,92,255,.95)),
        linear-gradient(45deg, transparent, rgba(255,255,255,.55));
      box-shadow: 0 0 22px rgba(0,232,255,.28);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid rgba(8,7,13,.78);
      transform: skewX(-14deg);
    }

    .brand-text {
      font-size: 17px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 310px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      border-radius: 999px;
    }

    .nav-links a {
      color: var(--muted);
      padding: 9px 15px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
      transition: color var(--fast), background var(--fast), box-shadow var(--fast);
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text);
      background: rgba(255,255,255,.08);
    }

    .nav-links a.active {
      color: #08070d;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(0,232,255,.26);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 13px 20px;
      border-radius: 14px;
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1.15;
      transition: transform var(--fast), box-shadow var(--fast), border-color var(--fast), background var(--fast), color var(--fast);
      user-select: none;
      text-align: center;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

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

    .btn:focus-visible,
    .nav-links a:focus-visible,
    .tag:focus-visible,
    summary:focus-visible,
    .footer a:focus-visible {
      outline: 3px solid rgba(0,232,255,.55);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #08070d;
      background: linear-gradient(135deg, var(--cyan), #72ffcf);
      box-shadow: 0 14px 34px rgba(0,232,255,.22);
    }

    .btn-primary:hover {
      box-shadow: 0 18px 46px rgba(0,232,255,.34);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(255,255,255,.18);
      background: rgba(255,255,255,.07);
    }

    .btn-secondary:hover {
      border-color: rgba(183,92,255,.55);
      box-shadow: 0 14px 34px rgba(183,92,255,.16);
    }

    .menu-btn {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255,255,255,.08);
      border: 1px solid var(--line);
    }

    main {
      padding-bottom: 92px;
    }

    .section {
      padding: 70px 0;
    }

    .section-tight {
      padding: 44px 0;
    }

    .page-hero {
      padding: 64px 0 34px;
      border-bottom: 1px solid var(--line);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 7fr) minmax(340px, 5fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 34px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      border: 1px solid rgba(0,232,255,.35);
      background: rgba(0,232,255,.08);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 18px;
    }

    h1 {
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.08;
      letter-spacing: 0;
      margin-bottom: 18px;
      max-width: 860px;
    }

    .hero-copy p {
      max-width: 740px;
      color: var(--muted);
      font-size: 18px;
      margin-bottom: 24px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }

    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .trust-pill,
    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      color: var(--muted);
      padding: 7px 11px;
      font-size: 13px;
      font-weight: 800;
    }

    .trust-pill strong {
      color: var(--text);
    }

    .hero-panel {
      border: 1px solid rgba(0,232,255,.24);
      background:
        linear-gradient(145deg, rgba(32,26,45,.96), rgba(15,13,22,.96)),
        linear-gradient(135deg, rgba(0,232,255,.12), transparent);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 22px;
      position: relative;
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent 0 44%, rgba(0,232,255,.12) 44.5% 45.5%, transparent 46% 100%);
      pointer-events: none;
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
      position: relative;
    }

    .panel-title h2 {
      font-size: 20px;
      line-height: 1.25;
    }

    .status-light {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 18px rgba(54,241,154,.7);
      flex: 0 0 auto;
    }

    .check-matrix {
      display: grid;
      gap: 12px;
      position: relative;
    }

    .matrix-item {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 13px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255,255,255,.055);
      transition: transform var(--fast), border-color var(--fast), background var(--fast);
    }

    .matrix-item:hover {
      transform: translateX(3px);
      border-color: rgba(0,232,255,.32);
      background: rgba(0,232,255,.075);
    }

    .matrix-index {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 11px;
      color: #08070d;
      background: var(--cyan);
      font-weight: 950;
    }

    .matrix-item strong {
      display: block;
      margin-bottom: 2px;
    }

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

    .matrix-state {
      color: var(--green);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .summary-band {
      margin-top: 20px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(255,255,255,.04);
    }

    .summary-item {
      padding: 18px;
      border-right: 1px solid var(--line);
    }

    .summary-item:last-child {
      border-right: 0;
    }

    .summary-item strong {
      display: block;
      color: var(--text);
      font-size: 24px;
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

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

    .section-head h2 {
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.15;
      letter-spacing: 0;
    }

    .section-head p {
      color: var(--muted);
      max-width: 650px;
      margin-top: 10px;
    }

    .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.045);
      margin-bottom: 22px;
    }

    .tag {
      cursor: pointer;
      transition: color var(--fast), border-color var(--fast), background var(--fast), transform var(--fast);
    }

    .tag:hover,
    .tag.active {
      color: #08070d;
      border-color: transparent;
      background: var(--cyan);
      transform: translateY(-1px);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 8fr) minmax(300px, 4fr);
      gap: 22px;
      align-items: start;
    }

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

    .entry-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(255,255,255,.072), rgba(255,255,255,.035));
      padding: 20px;
      box-shadow: 0 12px 30px rgba(0,0,0,.18);
      transition: transform var(--fast), border-color var(--fast), box-shadow var(--fast), background var(--fast);
    }

    .entry-card:hover {
      transform: translateY(-3px);
      border-color: rgba(0,232,255,.36);
      box-shadow: 0 18px 45px rgba(0,232,255,.12);
      background: linear-gradient(145deg, rgba(0,232,255,.09), rgba(255,255,255,.04));
    }

    .entry-card.empty {
      border-style: dashed;
      color: var(--muted);
    }

    .entry-card.error {
      border-color: rgba(255,84,112,.5);
      background: rgba(255,84,112,.08);
    }

    .entry-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 10px;
    }

    .entry-top h3 {
      font-size: 21px;
      line-height: 1.25;
    }

    .badge {
      flex: 0 0 auto;
      color: var(--green);
      border-color: rgba(54,241,154,.34);
      background: rgba(54,241,154,.08);
    }

    .badge.warn {
      color: var(--orange);
      border-color: rgba(255,138,34,.42);
      background: rgba(255,138,34,.09);
    }

    .entry-card p {
      color: var(--muted);
      margin-bottom: 14px;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 15px;
    }

    .entry-actions {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      padding-top: 14px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .entry-actions a {
      color: var(--cyan);
      font-weight: 900;
    }

    .entry-actions a:hover {
      text-shadow: 0 0 14px rgba(0,232,255,.35);
    }

    .side-panel {
      position: sticky;
      top: 130px;
      display: grid;
      gap: 14px;
    }

    .trust-card,
    .apply-card,
    .mini-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      padding: 20px;
      box-shadow: 0 12px 34px rgba(0,0,0,.18);
    }

    .trust-card.highlight {
      border-color: rgba(183,92,255,.42);
      background: linear-gradient(145deg, rgba(183,92,255,.14), rgba(255,255,255,.04));
    }

    .trust-card h3,
    .apply-card h3,
    .mini-card h3 {
      font-size: 19px;
      margin-bottom: 10px;
    }

    .trust-card p,
    .apply-card p,
    .mini-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .side-list {
      list-style: none;
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .side-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: var(--muted);
      padding: 10px 0;
      border-top: 1px solid var(--line);
      font-size: 14px;
    }

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

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

    .step-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.052);
      padding: 22px;
      position: relative;
      overflow: hidden;
      transition: transform var(--fast), border-color var(--fast), box-shadow var(--fast);
    }

    .step-card::before {
      content: attr(data-step);
      position: absolute;
      right: 18px;
      top: 10px;
      color: rgba(255,255,255,.08);
      font-size: 58px;
      font-weight: 950;
      line-height: 1;
    }

    .step-card:hover {
      transform: translateY(-3px);
      border-color: rgba(255,138,34,.42);
      box-shadow: 0 18px 40px rgba(255,138,34,.11);
    }

    .step-card h3 {
      font-size: 22px;
      margin-bottom: 8px;
      position: relative;
    }

    .step-card p {
      color: var(--muted);
      position: relative;
    }

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

    .proof-main {
      border: 1px solid rgba(0,232,255,.26);
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(0,232,255,.11), rgba(255,255,255,.045));
      padding: 24px;
      box-shadow: var(--shadow);
    }

    .proof-main h3 {
      font-size: 26px;
      margin-bottom: 12px;
    }

    .proof-main p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .proof-bars {
      display: grid;
      gap: 12px;
    }

    .bar-row {
      display: grid;
      grid-template-columns: 96px 1fr 44px;
      gap: 12px;
      align-items: center;
      color: var(--muted);
      font-size: 14px;
    }

    .bar {
      height: 9px;
      border-radius: 999px;
      background: rgba(255,255,255,.09);
      overflow: hidden;
    }

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

    .proof-quotes {
      display: grid;
      gap: 14px;
    }

    .quote {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.052);
      padding: 19px;
    }

    .quote strong {
      display: block;
      margin-bottom: 6px;
    }

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

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

    details {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.05);
      overflow: hidden;
      transition: border-color var(--fast), background var(--fast);
    }

    details:hover,
    details[open] {
      border-color: rgba(0,232,255,.34);
      background: rgba(0,232,255,.065);
    }

    summary {
      list-style: none;
      padding: 18px 20px;
      cursor: pointer;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      color: var(--cyan);
      font-size: 22px;
      line-height: 1;
      transition: transform var(--fast);
    }

    details[open] summary::after {
      transform: rotate(45deg);
    }

    details p {
      color: var(--muted);
      padding: 0 20px 18px;
    }

    .cta-panel {
      border: 1px solid rgba(0,232,255,.28);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(0,232,255,.14), rgba(183,92,255,.12)),
        rgba(255,255,255,.045);
      box-shadow: var(--shadow);
      padding: 30px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
      gap: 24px;
      align-items: center;
    }

    .cta-panel h2 {
      font-size: clamp(28px, 3.5vw, 44px);
      line-height: 1.12;
      margin-bottom: 12px;
    }

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

    .quick-form {
      display: grid;
      gap: 10px;
    }

    .form-note {
      color: var(--muted);
      font-size: 13px;
    }

    .footer {
      border-top: 1px solid var(--line);
      background: rgba(5,5,9,.72);
      padding: 52px 0 110px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) .8fr .8fr;
      gap: 30px;
      margin-bottom: 28px;
    }

    .footer h2 {
      font-size: 24px;
      margin-bottom: 10px;
    }

    .footer p {
      color: var(--muted);
      max-width: 520px;
    }

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

    .footer-links strong {
      color: var(--text);
      margin-bottom: 4px;
    }

    .footer-links a {
      color: var(--muted);
      transition: color var(--fast), transform var(--fast);
    }

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

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

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 40;
      width: min(760px, calc(100% - 32px));
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 12px 12px 18px;
      border: 1px solid rgba(0,232,255,.28);
      border-radius: 18px;
      background: rgba(13,11,19,.9);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 55px rgba(0,0,0,.44);
    }

    .fixed-cta strong {
      display: block;
      line-height: 1.2;
    }

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

    .loading {
      position: relative;
      color: transparent !important;
      pointer-events: none;
    }

    .loading::after {
      content: "";
      position: absolute;
      width: 18px;
      height: 18px;
      border: 2px solid rgba(8,7,13,.25);
      border-top-color: #08070d;
      border-radius: 50%;
      animation: spin .8s linear infinite;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    @media (max-width: 1280px) {
      :root {
        --max: 1100px;
      }

      .brand-text {
        max-width: 260px;
      }
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .content-layout,
      .cta-panel,
      .proof-grid {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
        grid-template-columns: repeat(2, 1fr);
      }

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

      .summary-item:nth-child(2) {
        border-right: 0;
      }

      .summary-item:nth-child(-n+2) {
        border-bottom: 1px solid var(--line);
      }

      .nav {
        gap: 14px;
      }

      .nav-links {
        overflow-x: auto;
        justify-content: flex-start;
        max-width: 420px;
      }
    }

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

      .top-strip-inner {
        min-height: 42px;
        font-size: 12px;
      }

      .site-header {
        top: 42px;
      }

      .nav {
        min-height: 66px;
      }

      .brand-text {
        max-width: 190px;
        font-size: 15px;
      }

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

      .nav-links {
        position: absolute;
        top: calc(100% + 1px);
        left: 14px;
        right: 14px;
        display: none;
        max-width: none;
        border-radius: 16px;
        padding: 10px;
        background: rgba(13,11,19,.96);
        box-shadow: var(--shadow);
      }

      .nav-links.open {
        display: grid;
        grid-template-columns: 1fr;
      }

      .nav-links a {
        border-radius: 12px;
      }

      .nav-actions .btn {
        display: none;
      }

      .page-hero {
        padding-top: 42px;
      }

      .hero-copy {
        padding: 10px 0 0;
      }

      .hero-copy p {
        font-size: 16px;
      }

      .hero-panel {
        padding: 16px;
      }

      .matrix-item {
        grid-template-columns: 30px 1fr;
      }

      .matrix-state {
        grid-column: 2;
      }

      .process-lane {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 6px;
      }

      .step-card {
        min-width: 82%;
        scroll-snap-align: start;
      }

      .section {
        padding: 52px 0;
      }

      .section-head,
      .entry-top,
      .entry-actions,
      .footer-bottom,
      .fixed-cta {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .faq-grid,
      .footer-grid,
      .side-panel {
        grid-template-columns: 1fr;
      }

      .fixed-cta {
        display: grid;
        bottom: 12px;
        padding: 12px;
      }

      .fixed-cta .btn {
        width: 100%;
      }

      .footer {
        padding-bottom: 150px;
      }
    }

    @media (max-width: 480px) {
      h1 {
        font-size: 32px;
      }

      .top-strip-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 8px 0;
        gap: 7px;
      }

      .site-header {
        top: 69px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
      }

      .brand-text {
        max-width: 158px;
      }

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

      .summary-band {
        grid-template-columns: 1fr;
      }

      .summary-item {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

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

      .filter-row {
        flex-wrap: nowrap;
        overflow-x: auto;
      }

      .tag {
        white-space: nowrap;
      }

      .bar-row {
        grid-template-columns: 78px 1fr 38px;
      }

      .cta-panel {
        padding: 22px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #101014;
      --bg-2: #17141f;
      --panel: #1e1a27;
      --panel-2: #241d31;
      --line: rgba(255,255,255,.13);
      --line-strong: rgba(67, 255, 226, .55);
      --text: #f7f4ff;
      --muted: #b9b1c9;
      --weak: #80778f;
      --cyan: #43ffe2;
      --purple: #b25cff;
      --orange: #ff8a2a;
      --red: #ff4d6d;
      --green: #69ff9b;
      --shadow: 0 18px 50px rgba(0,0,0,.34);
      --glow: 0 0 0 1px rgba(67,255,226,.16), 0 0 28px rgba(67,255,226,.18);
      --radius: 18px;
      --radius-sm: 12px;
      --container: 1180px;
      --font: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.7;
      background:
        linear-gradient(135deg, rgba(178,92,255,.16), transparent 28%),
        linear-gradient(225deg, rgba(67,255,226,.12), transparent 30%),
        radial-gradient(circle at 18% 12%, rgba(255,138,42,.16), transparent 26%),
        var(--bg);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(120deg, rgba(255,255,255,.045) 0 1px, transparent 1px 72px),
        linear-gradient(60deg, rgba(255,255,255,.035) 0 1px, transparent 1px 88px);
      opacity: .22;
      z-index: -1;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .top-strip {
      border-bottom: 1px solid rgba(255,255,255,.09);
      background: rgba(10,10,13,.86);
      backdrop-filter: blur(16px);
      position: relative;
      z-index: 20;
    }

    .top-strip .container {
      min-height: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 13px;
      color: var(--muted);
    }

    .strip-left,
    .strip-right {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .strip-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 12px rgba(105,255,155,.7);
      flex: 0 0 auto;
    }

    .strip-domain {
      color: var(--cyan);
      font-weight: 800;
    }

    .strip-action {
      color: #101014;
      background: var(--cyan);
      padding: 5px 11px;
      border-radius: 999px;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }

    .strip-action:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 20px rgba(67,255,226,.42);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 19;
      background: rgba(16,16,20,.84);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .nav {
      min-height: 76px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 28px;
    }

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

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, var(--cyan), var(--purple) 55%, var(--orange));
      box-shadow: 0 0 28px rgba(178,92,255,.36);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 10px;
      border: 2px solid rgba(16,16,20,.72);
      transform: skew(-12deg);
    }

    .brand-text {
      font-size: 18px;
      font-weight: 950;
      letter-spacing: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 360px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .nav-links a {
      color: var(--muted);
      padding: 9px 14px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-weight: 800;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text);
      border-color: rgba(67,255,226,.35);
      background: rgba(67,255,226,.08);
      transform: translateY(-1px);
    }

    .nav-links a.active {
      color: #101014;
      background: var(--cyan);
      border-color: var(--cyan);
      box-shadow: 0 0 22px rgba(67,255,226,.28);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid transparent;
      border-radius: 14px;
      min-height: 46px;
      padding: 12px 18px;
      font-weight: 950;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, opacity .2s ease;
      user-select: none;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

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

    .btn:focus-visible,
    .menu-btn:focus-visible,
    input:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(67,255,226,.45);
      outline-offset: 3px;
    }

    .btn[disabled],
    .btn.disabled {
      opacity: .48;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }

    .btn.loading {
      position: relative;
      color: transparent;
    }

    .btn.loading::after {
      content: "";
      width: 18px;
      height: 18px;
      border: 2px solid rgba(16,16,20,.35);
      border-top-color: #101014;
      border-radius: 50%;
      position: absolute;
      animation: spin .8s linear infinite;
    }

    .btn-primary {
      color: #101014;
      background: linear-gradient(135deg, var(--cyan), #9bfff1);
      box-shadow: 0 0 28px rgba(67,255,226,.3);
    }

    .btn-primary:hover {
      box-shadow: 0 0 34px rgba(67,255,226,.48);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(255,255,255,.2);
      background: rgba(255,255,255,.06);
    }

    .btn-secondary:hover {
      border-color: rgba(178,92,255,.55);
      background: rgba(178,92,255,.14);
      box-shadow: 0 0 24px rgba(178,92,255,.2);
    }

    .btn-orange {
      color: #130b05;
      background: linear-gradient(135deg, var(--orange), #ffd062);
      box-shadow: 0 0 30px rgba(255,138,42,.3);
    }

    .menu-btn {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.06);
      color: var(--text);
      font-size: 22px;
      transition: background .2s ease, border-color .2s ease;
    }

    .menu-btn:hover {
      border-color: var(--cyan);
      background: rgba(67,255,226,.1);
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-weight: 950;
      font-size: 14px;
      padding: 7px 11px;
      border: 1px solid rgba(67,255,226,.34);
      border-radius: 999px;
      background: rgba(67,255,226,.08);
    }

    .eyebrow::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--orange);
      box-shadow: 0 0 14px rgba(255,138,42,.75);
    }

    .hero {
      padding: 54px 0 68px;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 18px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .flash-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 15px;
      margin-bottom: 22px;
      border: 1px solid rgba(255,138,42,.42);
      border-radius: var(--radius-sm);
      background: linear-gradient(90deg, rgba(255,138,42,.18), rgba(178,92,255,.12));
      box-shadow: 0 0 26px rgba(255,138,42,.16);
    }

    .flash-label {
      color: #ffe2c6;
      font-weight: 950;
      white-space: nowrap;
    }

    .countdown {
      display: inline-grid;
      grid-template-columns: repeat(3, auto);
      gap: 6px;
      color: #101014;
      font-weight: 950;
    }

    .countdown span {
      min-width: 38px;
      text-align: center;
      padding: 4px 7px;
      border-radius: 9px;
      background: var(--orange);
      box-shadow: inset 0 -2px 0 rgba(0,0,0,.18);
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 6vw, 68px);
      line-height: 1.04;
      letter-spacing: 0;
      max-width: 780px;
    }

    .lead {
      margin: 20px 0 0;
      color: var(--muted);
      font-size: 18px;
      max-width: 670px;
    }

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

    .trust-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 28px;
    }

    .trust-pill {
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      border-radius: 14px;
      padding: 12px;
      min-height: 78px;
    }

    .trust-pill strong {
      display: block;
      color: var(--cyan);
      font-size: 20px;
      line-height: 1.1;
    }

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

    .recommend-panel {
      border: 1px solid rgba(67,255,226,.38);
      border-radius: var(--radius);
      background:
        linear-gradient(145deg, rgba(36,29,49,.96), rgba(16,16,20,.94)),
        linear-gradient(90deg, transparent, rgba(67,255,226,.14));
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      position: relative;
    }

    .recommend-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent 0 38%, rgba(67,255,226,.11) 39% 40%, transparent 41% 100%);
      pointer-events: none;
    }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.04);
    }

    .panel-title {
      font-weight: 950;
      font-size: 18px;
    }

    .status-badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 5px 10px;
      font-size: 12px;
      font-weight: 900;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.07);
      color: var(--muted);
    }

    .status-badge.hot {
      color: #101014;
      background: var(--orange);
      border-color: var(--orange);
    }

    .status-badge.ready {
      color: #092112;
      background: var(--green);
      border-color: var(--green);
    }

    .recommend-body {
      padding: 20px;
    }

    .product-card {
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 16px;
      background: rgba(255,255,255,.06);
      padding: 20px;
      display: grid;
      gap: 18px;
    }

    .product-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
    }

    .product-top h2 {
      margin: 0;
      font-size: 28px;
      line-height: 1.18;
    }

    .price-block {
      text-align: right;
      white-space: nowrap;
    }

    .price-block small {
      display: block;
      color: var(--weak);
      text-decoration: line-through;
    }

    .price-block strong {
      display: block;
      color: var(--orange);
      font-size: 30px;
      line-height: 1;
    }

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

    .mini-cell {
      padding: 13px;
      border-radius: 13px;
      border: 1px solid var(--line);
      background: rgba(16,16,20,.48);
    }

    .mini-cell strong {
      display: block;
      color: var(--text);
    }

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

    .filter-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .tag:hover {
      color: var(--text);
      border-color: rgba(67,255,226,.42);
      background: rgba(67,255,226,.09);
    }

    .tag.active {
      color: #101014;
      background: var(--cyan);
      border-color: var(--cyan);
    }

    .heading-row {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: end;
      margin-bottom: 28px;
    }

    .heading-row h2 {
      margin: 12px 0 0;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.12;
    }

    .heading-row p {
      color: var(--muted);
      margin: 0;
    }

    .dual-matrix {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .matrix-column {
      display: grid;
      gap: 14px;
    }

    .matrix-card {
      border: 1px solid var(--line);
      background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: 0 12px 26px rgba(0,0,0,.18);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
      position: relative;
      overflow: hidden;
    }

    .matrix-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 82px;
      height: 4px;
      background: linear-gradient(90deg, var(--cyan), var(--purple));
      opacity: .8;
    }

    .matrix-card:hover {
      transform: translateY(-3px);
      border-color: rgba(67,255,226,.42);
      box-shadow: var(--shadow);
      background: linear-gradient(145deg, rgba(67,255,226,.1), rgba(255,255,255,.045));
    }

    .matrix-card:active {
      transform: translateY(-1px);
    }

    .matrix-card h3 {
      margin: 0 0 8px;
      font-size: 21px;
      line-height: 1.25;
    }

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

    .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 18px;
      color: var(--weak);
      font-size: 13px;
    }

    .action-point {
      color: var(--cyan);
      font-weight: 950;
    }

    .compare-wrap {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1.1fr repeat(2, 1fr);
    }

    .compare-cell {
      padding: 18px;
      border-right: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      min-height: 68px;
    }

    .compare-cell:nth-child(3n) {
      border-right: 0;
    }

    .compare-head {
      background: rgba(67,255,226,.1);
      color: var(--text);
      font-weight: 950;
    }

    .compare-good {
      color: var(--green);
      font-weight: 900;
    }

    .compare-warn {
      color: var(--orange);
      font-weight: 900;
    }

    .check-zone {
      display: grid;
      grid-template-columns: 7fr 5fr;
      gap: 18px;
      margin-top: 22px;
    }

    .check-list,
    .signal-box {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      padding: 22px;
    }

    .check-list ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 13px;
    }

    .check-list li {
      display: grid;
      grid-template-columns: 26px 1fr;
      gap: 10px;
      color: var(--muted);
    }

    .check-list li::before {
      content: "✓";
      width: 26px;
      height: 26px;
      border-radius: 9px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #101014;
      background: var(--cyan);
      font-weight: 950;
      line-height: 1;
    }

    .signal-box h3,
    .check-list h3 {
      margin: 0 0 14px;
      font-size: 22px;
    }

    .signal-stack {
      display: grid;
      gap: 12px;
    }

    .signal {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 12px;
      border-radius: 13px;
      background: rgba(16,16,20,.46);
      border: 1px solid var(--line);
    }

    .bar {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.1);
      overflow: hidden;
      margin-top: 7px;
    }

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

    .proof-strip {
      display: grid;
      grid-template-columns: 1.2fr repeat(3, 1fr);
      gap: 14px;
      align-items: stretch;
    }

    .proof-main,
    .proof-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      padding: 20px;
    }

    .proof-main {
      background: linear-gradient(145deg, rgba(255,138,42,.16), rgba(255,255,255,.055));
      border-color: rgba(255,138,42,.28);
    }

    .proof-main h2 {
      margin: 0 0 10px;
      font-size: 30px;
      line-height: 1.15;
    }

    .proof-main p,
    .proof-card p {
      margin: 0;
      color: var(--muted);
    }

    .proof-card strong {
      display: block;
      color: var(--cyan);
      font-size: 30px;
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: start;
    }

    .faq-intro {
      border: 1px solid rgba(178,92,255,.34);
      border-radius: var(--radius);
      background: rgba(178,92,255,.09);
      padding: 24px;
      position: sticky;
      top: 108px;
    }

    .faq-intro h2 {
      margin: 12px 0 10px;
      font-size: 34px;
      line-height: 1.1;
    }

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

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

    details {
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255,255,255,.055);
      overflow: hidden;
      transition: border-color .2s ease, background .2s ease;
    }

    details:hover {
      border-color: rgba(67,255,226,.35);
      background: rgba(67,255,226,.07);
    }

    details[open] {
      border-color: rgba(67,255,226,.48);
      box-shadow: 0 0 24px rgba(67,255,226,.12);
    }

    summary {
      list-style: none;
      padding: 18px 20px;
      font-weight: 950;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      color: var(--cyan);
      font-size: 22px;
      line-height: 1;
    }

    details[open] summary::after {
      content: "−";
    }

    details p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
    }

    .apply {
      padding-bottom: 110px;
    }

    .apply-box {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 22px;
      align-items: center;
      border: 1px solid rgba(67,255,226,.44);
      border-radius: 20px;
      background:
        linear-gradient(135deg, rgba(67,255,226,.16), rgba(178,92,255,.12) 48%, rgba(255,138,42,.14)),
        rgba(255,255,255,.05);
      box-shadow: var(--shadow), var(--glow);
      padding: 30px;
    }

    .apply-box h2 {
      margin: 0 0 10px;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.1;
    }

    .apply-box p {
      margin: 0;
      color: var(--muted);
    }

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

    .input-wrap {
      display: grid;
      gap: 7px;
    }

    .input-wrap label {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .input-wrap input {
      width: 100%;
      min-height: 48px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(16,16,20,.66);
      color: var(--text);
      padding: 0 14px;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .input-wrap input::placeholder {
      color: rgba(185,177,201,.65);
    }

    .input-wrap input:hover {
      border-color: rgba(67,255,226,.35);
    }

    .input-wrap input:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(67,255,226,.12);
      background: rgba(16,16,20,.86);
    }

    .form-note {
      color: var(--weak);
      font-size: 12px;
    }

    .state-line {
      display: grid;
      gap: 8px;
      margin-top: 14px;
      font-size: 13px;
    }

    .state-empty,
    .state-error {
      border-radius: 12px;
      padding: 10px 12px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.05);
      color: var(--muted);
    }

    .state-error {
      border-color: rgba(255,77,109,.45);
      color: #ffd1da;
      background: rgba(255,77,109,.09);
    }

    .footer {
      border-top: 1px solid var(--line);
      background: rgba(10,10,13,.9);
      padding: 46px 0 92px;
    }

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

    .footer h2 {
      margin: 0 0 10px;
      font-size: 24px;
    }

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

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

    .footer-links strong {
      color: var(--text);
      margin-bottom: 4px;
    }

    .footer-links a {
      color: var(--muted);
      transition: color .2s ease, transform .2s ease;
    }

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

    .footer-bottom {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--weak);
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 16px;
      transform: translateX(-50%);
      width: min(940px, calc(100% - 28px));
      z-index: 30;
      border: 1px solid rgba(67,255,226,.42);
      border-radius: 18px;
      background: rgba(16,16,20,.9);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 40px rgba(0,0,0,.36), 0 0 26px rgba(67,255,226,.16);
      padding: 10px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
    }

    .fixed-cta strong {
      display: block;
      line-height: 1.25;
    }

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

    @keyframes spin {
      to {
        transform: rotate(360deg);
      }
    }

    @media (max-width: 1280px) {
      :root {
        --container: 1080px;
      }

      .brand-text {
        max-width: 300px;
      }

      .hero-grid {
        grid-template-columns: 1fr 1.05fr;
      }
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .nav {
        grid-template-columns: auto auto;
        justify-content: space-between;
      }

      .nav-links {
        grid-column: 1 / -1;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 12px;
        display: none;
      }

      .nav-links.open {
        display: flex;
      }

      .menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .hero-grid,
      .heading-row,
      .check-zone,
      .faq-grid,
      .apply-box {
        grid-template-columns: 1fr;
      }

      .faq-intro {
        position: static;
      }

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

      .proof-main {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .top-strip .container {
        align-items: flex-start;
        flex-direction: column;
        padding: 9px 0;
        gap: 7px;
      }

      .nav {
        min-height: 66px;
        gap: 12px;
      }

      .brand-text {
        max-width: 220px;
        font-size: 15px;
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 12px;
      }

      .nav-actions .btn {
        display: none;
      }

      .section {
        padding: 56px 0;
      }

      .hero {
        padding-top: 36px;
      }

      .flash-bar,
      .product-top,
      .footer-bottom,
      .fixed-cta {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
      }

      .trust-row,
      .dual-matrix,
      .matrix-mini,
      .proof-strip,
      .footer-grid {
        grid-template-columns: 1fr;
      }

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

      .compare-cell {
        border-right: 0;
      }

      .price-block {
        text-align: left;
      }

      .fixed-cta {
        display: grid;
        bottom: 10px;
      }

      .fixed-cta .btn {
        width: 100%;
      }
    }

    @media (max-width: 480px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      h1 {
        font-size: 34px;
      }

      .lead {
        font-size: 16px;
      }

      .hero-actions .btn,
      .apply-box .btn {
        width: 100%;
      }

      .panel-head,
      .card-foot {
        flex-direction: column;
        align-items: flex-start;
      }

      .apply-box {
        padding: 20px;
      }

      .footer {
        padding-bottom: 116px;
      }
    }