/* roulang page: index */
:root {
      --bg-900: #07111f;
      --bg-850: #09182b;
      --bg-800: #0b1b32;
      --bg-700: #102b4d;
      --cyan: #28d7ff;
      --cyan-soft: rgba(40, 215, 255, .18);
      --blue-soft: #8aa7ff;
      --green: #38e6a3;
      --text: #eaf6ff;
      --muted: #9eb4c8;
      --dim: #6f879e;
      --border: rgba(255, 255, 255, .14);
      --glass: rgba(255, 255, 255, .075);
      --glass-strong: rgba(255, 255, 255, .105);
      --shadow: 0 22px 60px rgba(0, 0, 0, .28);
      --glow: 0 0 28px rgba(40, 215, 255, .34);
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --section: 96px;
      --container: 1220px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 18% 12%, rgba(40, 215, 255, .13), transparent 32%),
        radial-gradient(circle at 82% 18%, rgba(138, 167, 255, .14), transparent 30%),
        linear-gradient(180deg, var(--bg-900), var(--bg-800) 46%, #07101d 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), rgba(0, 0, 0, .25));
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      background: linear-gradient(110deg, transparent 0%, rgba(40, 215, 255, .045) 45%, transparent 68%);
      animation: scanMove 9s linear infinite;
    }

    @keyframes scanMove {
      0% { transform: translateX(-45%); }
      100% { transform: translateX(45%); }
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease;
    }

    a:hover,
    a:focus {
      color: var(--cyan);
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus,
    textarea:focus,
    select:focus {
      outline: 2px solid rgba(40, 215, 255, .55);
      outline-offset: 3px;
    }

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

    .top-strip {
      min-height: 38px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, .09);
      background: rgba(5, 12, 24, .72);
      backdrop-filter: blur(16px);
      color: var(--muted);
      font-size: 13px;
    }

    .top-strip-inner {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      white-space: nowrap;
    }

    .top-strip .domain-note {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .signal-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 14px rgba(56, 230, 163, .75);
      flex: 0 0 auto;
    }

    .top-actions {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(7, 17, 31, .79);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .main-nav {
      min-height: 74px;
    }

    .top-bar,
    .top-bar ul {
      background: transparent;
    }

    .top-bar {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
      padding: 0;
      min-height: 74px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      color: var(--text);
      font-size: 20px;
      line-height: 1.2;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(135deg, rgba(40, 215, 255, .92), rgba(138, 167, 255, .82)),
        var(--bg-700);
      box-shadow: var(--glow);
      color: #03101c;
      font-weight: 900;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-menu a {
      color: var(--muted);
      padding: 11px 14px;
      border-radius: 999px;
      font-weight: 650;
      font-size: 15px;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--text);
      background: rgba(255, 255, 255, .08);
      box-shadow: inset 0 0 0 1px rgba(40, 215, 255, .18);
    }

    .menu-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid var(--border);
    }

    .menu-icon::after {
      background: var(--text);
      box-shadow: 0 7px 0 var(--text), 0 14px 0 var(--text);
      left: 12px;
      width: 20px;
    }

    .button,
    .btn-primary,
    .btn-secondary {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      padding: 12px 22px;
      font-weight: 800;
      line-height: 1.2;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      margin: 0;
    }

    .btn-primary,
    .button.btn-primary {
      border: 1px solid rgba(137, 238, 255, .75);
      color: #03111d;
      background: linear-gradient(135deg, var(--cyan), #7ee8ff 52%, var(--green));
      box-shadow: var(--glow);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #02101a;
      transform: translateY(-2px);
      box-shadow: 0 0 34px rgba(40, 215, 255, .52);
    }

    .btn-secondary {
      border: 1px solid rgba(255, 255, 255, .2);
      color: var(--text);
      background: rgba(255, 255, 255, .065);
      backdrop-filter: blur(14px);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--text);
      transform: translateY(-2px);
      background: rgba(255, 255, 255, .11);
      border-color: rgba(40, 215, 255, .45);
    }

    .section {
      padding: var(--section) 0;
      position: relative;
    }

    .section-tight {
      padding: 76px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--cyan);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .section-kicker::before {
      content: "";
      width: 24px;
      height: 2px;
      border-radius: 999px;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(40, 215, 255, .7);
    }

    .section-title {
      max-width: 780px;
      margin: 0 0 16px;
      color: var(--text);
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.22;
      font-weight: 900;
    }

    .section-desc {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      margin: 0 0 34px;
    }

    .hero {
      position: relative;
      min-height: calc(100vh - 112px);
      display: flex;
      align-items: center;
      overflow: hidden;
      padding: 86px 0 74px;
      background:
        linear-gradient(180deg, rgba(7, 17, 31, .06), rgba(7, 17, 31, .8)),
        radial-gradient(circle at 50% 30%, rgba(40, 215, 255, .18), transparent 38%);
    }

    .hero-video-stage {
      position: absolute;
      inset: 0;
      z-index: 0;
      overflow: hidden;
    }

    .hero-video-stage::before {
      content: "";
      position: absolute;
      inset: -10%;
      background:
        repeating-linear-gradient(0deg, rgba(234, 246, 255, .065) 0 1px, transparent 1px 18px),
        linear-gradient(120deg, rgba(40, 215, 255, .18), transparent 36%, rgba(138, 167, 255, .16) 72%, transparent),
        radial-gradient(circle at 30% 40%, rgba(56, 230, 163, .12), transparent 34%);
      transform: skewY(-4deg);
    }

    .subtitle-rain {
      position: absolute;
      inset: 0;
      opacity: .58;
      background:
        linear-gradient(90deg, transparent 5%, rgba(40, 215, 255, .24) 5% 18%, transparent 18% 24%, rgba(234, 246, 255, .16) 24% 42%, transparent 42%),
        linear-gradient(90deg, transparent 12%, rgba(138, 167, 255, .18) 12% 30%, transparent 30% 38%, rgba(56, 230, 163, .13) 38% 56%, transparent 56%);
      background-size: 760px 72px, 620px 96px;
      animation: subtitleFlow 18s linear infinite;
      mask-image: linear-gradient(180deg, transparent, #000 18%, #000 72%, transparent);
    }

    @keyframes subtitleFlow {
      0% { background-position: 0 16%, 0 68%; }
      100% { background-position: 760px 16%, -620px 68%; }
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(90deg, rgba(7, 17, 31, .88) 0%, rgba(7, 17, 31, .62) 52%, rgba(7, 17, 31, .82) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }

    .hero-panel {
      max-width: 930px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--text);
      background: rgba(255, 255, 255, .075);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(12px);
      margin-bottom: 22px;
      font-weight: 750;
      font-size: 14px;
    }

    .hero h1 {
      margin: 0 0 22px;
      max-width: 940px;
      color: var(--text);
      font-size: clamp(32px, 6vw, 56px);
      line-height: 1.15;
      font-weight: 950;
    }

    .hero-summary {
      max-width: 790px;
      margin: 0 0 30px;
      color: #c7d8e8;
      font-size: clamp(16px, 2vw, 19px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-bottom: 30px;
    }

    .play-chip {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-weight: 750;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--border);
    }

    .play-icon {
      width: 42px;
      height: 42px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(40, 215, 255, .18);
      border: 1px solid rgba(40, 215, 255, .5);
      box-shadow: 0 0 20px rgba(40, 215, 255, .28);
    }

    .play-icon::before {
      content: "";
      width: 0;
      height: 0;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 12px solid var(--cyan);
      margin-left: 3px;
    }

    .hero-proof {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      max-width: 900px;
    }

    .proof-item,
    .glass-card {
      background: var(--glass);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow);
      backdrop-filter: blur(16px);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .proof-item {
      padding: 14px 16px;
      color: var(--muted);
      min-height: 78px;
    }

    .proof-item strong {
      display: block;
      color: var(--text);
      font-size: 20px;
      line-height: 1.25;
    }

    .proof-item span {
      font-size: 13px;
    }

    .proof-item:hover,
    .glass-card:hover {
      transform: translateY(-3px);
      border-color: rgba(40, 215, 255, .48);
      box-shadow: 0 24px 70px rgba(0, 0, 0, .32), 0 0 24px rgba(40, 215, 255, .18);
      background: var(--glass-strong);
    }

    .service-feature {
      padding: 28px;
      min-height: 100%;
    }

    .service-feature.wide {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 360px;
      background:
        linear-gradient(135deg, rgba(40, 215, 255, .13), rgba(255, 255, 255, .055)),
        var(--glass);
    }

    .card-icon {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: rgba(40, 215, 255, .11);
      border: 1px solid rgba(40, 215, 255, .26);
      margin-bottom: 18px;
      font-weight: 900;
    }

    .service-feature h3,
    .case-card h3,
    .plan-card h3 {
      color: var(--text);
      font-size: 21px;
      line-height: 1.32;
      margin: 0 0 10px;
      font-weight: 850;
    }

    .service-feature p,
    .case-card p,
    .plan-card p {
      color: var(--muted);
      margin: 0;
      font-size: 15.5px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: var(--cyan);
      font-weight: 800;
    }

    .text-link::after {
      content: "→";
      transition: transform .22s ease;
    }

    .text-link:hover::after {
      transform: translateX(4px);
    }

    .tag-row,
    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 22px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 5px 11px;
      border-radius: 999px;
      color: #cfeaff;
      border: 1px solid rgba(255, 255, 255, .15);
      background: rgba(255, 255, 255, .06);
      font-size: 13px;
      font-weight: 750;
    }

    .badge.hot {
      color: #06131f;
      border-color: transparent;
      background: linear-gradient(135deg, var(--cyan), var(--green));
      box-shadow: 0 0 18px rgba(40, 215, 255, .25);
    }

    .updates-list {
      padding: 24px;
      min-height: 100%;
    }

    .updates-list h3 {
      font-size: 21px;
      margin: 0 0 18px;
      font-weight: 850;
    }

    .news-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .news-links li {
      padding: 14px 0;
      border-top: 1px solid rgba(255, 255, 255, .1);
    }

    .news-links a {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      color: var(--text);
      font-weight: 760;
    }

    .news-links span {
      flex: 0 0 auto;
      color: var(--dim);
      font-size: 13px;
    }

    .metrics-band {
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(16, 43, 77, .76), rgba(7, 17, 31, .88)),
        rgba(255, 255, 255, .04);
      border-top: 1px solid rgba(255, 255, 255, .11);
      border-bottom: 1px solid rgba(255, 255, 255, .11);
    }

    .metric-dashboard {
      padding: 26px;
    }

    .metric-line {
      display: grid;
      grid-template-columns: 1.2fr 2fr;
      gap: 28px;
      align-items: center;
      margin-bottom: 26px;
    }

    .metric-number {
      color: var(--cyan);
      font-size: clamp(38px, 6vw, 64px);
      line-height: 1;
      font-weight: 950;
      text-shadow: 0 0 24px rgba(40, 215, 255, .34);
    }

    .progress-stack {
      display: grid;
      gap: 14px;
    }

    .progress-item {
      display: grid;
      grid-template-columns: 110px 1fr 48px;
      gap: 12px;
      align-items: center;
      color: var(--muted);
      font-size: 14px;
    }

    .progress-track {
      height: 9px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(255, 255, 255, .08);
    }

    .progress-fill {
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--green));
      box-shadow: 0 0 14px rgba(40, 215, 255, .45);
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border-top: 1px solid rgba(255, 255, 255, .1);
    }

    .metric-tile {
      padding: 22px 18px;
      border-right: 1px solid rgba(255, 255, 255, .1);
    }

    .metric-tile:last-child {
      border-right: 0;
    }

    .metric-tile strong {
      display: block;
      color: var(--text);
      font-size: 25px;
      margin-bottom: 5px;
    }

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

    .case-card {
      padding: 24px;
      min-height: 100%;
      position: relative;
    }

    .case-meta {
      display: grid;
      gap: 10px;
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: var(--muted);
      font-size: 14px;
    }

    .case-meta b {
      color: var(--text);
    }

    .quality-bars {
      display: grid;
      gap: 9px;
      margin-top: 18px;
    }

    .quality-bars span {
      display: grid;
      grid-template-columns: 84px 1fr;
      align-items: center;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
    }

    .quality-bars i {
      height: 7px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--cyan), rgba(138, 167, 255, .72));
      box-shadow: 0 0 10px rgba(40, 215, 255, .3);
    }

    .plans {
      align-items: stretch;
    }

    .plan-card {
      padding: 28px;
      min-height: 100%;
      display: flex;
      flex-direction: column;
    }

    .plan-card.recommended {
      border-color: rgba(40, 215, 255, .55);
      box-shadow: 0 0 32px rgba(40, 215, 255, .2), var(--shadow);
    }

    .plan-list {
      list-style: none;
      margin: 20px 0 24px;
      padding: 0;
      display: grid;
      gap: 12px;
      color: #c6d9e9;
      font-size: 15px;
    }

    .plan-list li {
      display: flex;
      gap: 10px;
    }

    .plan-list li::before {
      content: "✓";
      color: var(--green);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .plan-card .btn-secondary,
    .plan-card .btn-primary {
      margin-top: auto;
      width: 100%;
    }

    .faq-band {
      background:
        linear-gradient(180deg, rgba(7, 17, 31, .55), rgba(16, 43, 77, .38)),
        rgba(255, 255, 255, .02);
      border-top: 1px solid rgba(255, 255, 255, .09);
      border-bottom: 1px solid rgba(255, 255, 255, .09);
    }

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

    .accordion-item {
      margin-bottom: 12px;
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--glass);
      border: 1px solid var(--border);
      backdrop-filter: blur(16px);
    }

    .accordion-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 62px;
      padding: 18px 22px;
      color: var(--text);
      border: 0;
      font-size: 17px;
      font-weight: 850;
      line-height: 1.35;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--cyan);
      background: rgba(255, 255, 255, .055);
    }

    .accordion-title::before {
      content: "+";
      right: 20px;
      margin-top: -13px;
      color: var(--cyan);
      font-size: 28px;
      transition: transform .22s ease;
    }

    .is-active > .accordion-title::before {
      transform: rotate(45deg);
    }

    .accordion-content {
      color: var(--muted);
      background: rgba(5, 14, 27, .42);
      border: 0;
      border-top: 1px solid rgba(255, 255, 255, .09);
      padding: 18px 22px 22px;
      font-size: 15.5px;
      line-height: 1.8;
    }

    .contact-card {
      padding: 30px;
    }

    .contact-points {
      display: grid;
      gap: 14px;
      margin-top: 26px;
    }

    .contact-point {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: var(--muted);
    }

    .contact-point i {
      width: 26px;
      height: 26px;
      border-radius: 9px;
      background: rgba(40, 215, 255, .15);
      border: 1px solid rgba(40, 215, 255, .28);
      flex: 0 0 auto;
      margin-top: 3px;
    }

    .lead-form {
      padding: 30px;
    }

    .lead-form label {
      color: #cfe0ef;
      font-weight: 760;
      font-size: 14px;
      margin-bottom: 8px;
    }

    .lead-form input,
    .lead-form select,
    .lead-form textarea {
      width: 100%;
      min-height: 48px;
      color: var(--text);
      background: rgba(255, 255, 255, .065);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 13px;
      box-shadow: none;
      padding: 12px 14px;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .lead-form textarea {
      min-height: 132px;
      resize: vertical;
    }

    .lead-form input::placeholder,
    .lead-form textarea::placeholder {
      color: rgba(197, 216, 232, .48);
    }

    .lead-form input:focus,
    .lead-form select:focus,
    .lead-form textarea:focus {
      background: rgba(255, 255, 255, .09);
      border-color: rgba(40, 215, 255, .72);
      box-shadow: 0 0 0 4px rgba(40, 215, 255, .11);
    }

    .form-note {
      color: var(--dim);
      font-size: 13px;
      margin: 12px 0 0;
    }

    .site-footer {
      padding: 58px 0 30px;
      background: #050d19;
      border-top: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text);
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 14px;
    }

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

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

    .footer-links a {
      color: var(--muted);
      padding: 7px 0;
      font-weight: 700;
    }

    .footer-bottom {
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .09);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: var(--dim);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --section: 76px;
      }

      .top-bar {
        padding: 12px 0;
      }

      .nav-menu {
        gap: 4px;
      }

      .nav-menu a {
        padding: 10px 11px;
      }

      .hero {
        min-height: auto;
        padding: 82px 0 58px;
      }

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

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

      .metric-tile:nth-child(2) {
        border-right: 0;
      }

      .metric-tile:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255, 255, 255, .1);
      }
    }

    @media (max-width: 768px) {
      .top-strip-inner {
        overflow-x: auto;
        scrollbar-width: none;
      }

      .top-actions {
        gap: 14px;
      }

      .brand-logo {
        font-size: 17px;
        max-width: 235px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
      }

      .top-bar-right {
        width: 100%;
        margin-top: 12px;
      }

      .nav-menu {
        display: grid;
        width: 100%;
        gap: 8px;
        padding-bottom: 12px;
      }

      .nav-menu a,
      .nav-menu .btn-primary {
        width: 100%;
        justify-content: center;
      }

      .hero {
        padding-top: 64px;
      }

      .hero::after {
        background: linear-gradient(180deg, rgba(7, 17, 31, .88), rgba(7, 17, 31, .72));
      }

      .hero-actions {
        align-items: stretch;
      }

      .hero-actions .btn-primary,
      .hero-actions .btn-secondary,
      .play-chip {
        width: 100%;
        justify-content: center;
      }

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

      .metric-tile {
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .1);
      }

      .metric-tile:last-child {
        border-bottom: 0;
      }

      .progress-item {
        grid-template-columns: 88px 1fr 42px;
      }

      .service-feature.wide {
        min-height: auto;
      }

      .footer-links {
        justify-content: flex-start;
        margin-top: 24px;
      }

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

    @media (max-width: 520px) {
      .site-shell,
      .top-strip-inner,
      .top-bar,
      .hero-content {
        width: min(100% - 24px, var(--container));
      }

      .top-strip {
        font-size: 12px;
      }

      .top-actions a:nth-child(2) {
        display: none;
      }

      .hero-badge {
        align-items: flex-start;
        border-radius: 14px;
      }

      .proof-item,
      .service-feature,
      .updates-list,
      .case-card,
      .plan-card,
      .contact-card,
      .lead-form,
      .metric-dashboard {
        padding: 22px;
      }

      .section-title {
        font-size: 28px;
      }

      .section-desc {
        font-size: 16px;
      }

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

/* roulang page: category1 */
:root{
      --bg:#07111F;
      --bg-2:#0B1B32;
      --bg-3:#102B4D;
      --panel:rgba(255,255,255,.08);
      --panel-2:rgba(255,255,255,.05);
      --panel-3:rgba(255,255,255,.11);
      --text:#EAF6FF;
      --muted:rgba(234,246,255,.74);
      --soft:rgba(234,246,255,.58);
      --line:rgba(255,255,255,.14);
      --line-2:rgba(40,215,255,.28);
      --accent:#28D7FF;
      --accent-2:#8AA7FF;
      --green:#38E6A3;
      --shadow:0 20px 60px rgba(1,8,20,.42);
      --shadow-soft:0 14px 34px rgba(1,8,20,.26);
      --radius:20px;
      --radius-sm:14px;
      --radius-xs:12px;
      --space:clamp(16px, 1.2vw, 24px);
    }
    *{box-sizing:border-box}
    html,body{margin:0;padding:0}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(7,17,31,.94), rgba(7,17,31,.94)),
        linear-gradient(135deg, rgba(16,43,77,.9), rgba(11,27,50,.92));
      min-height:100vh;
      overflow-x:hidden;
      letter-spacing:0;
      line-height:1.75;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:68px 68px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.15) 75%, transparent);
      opacity:.28;
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:linear-gradient(90deg, transparent, rgba(40,215,255,.06), transparent);
      opacity:.16;
      z-index:-1;
      transform:translateY(-28%);
    }
    a{color:var(--accent);text-decoration:none;transition:all .22s ease}
    a:hover,a:focus{color:#7ee9ff}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    ::selection{background:rgba(40,215,255,.24);color:var(--text)}
    .grid-container.site-shell{
      max-width:1240px;
      padding-left:1rem;
      padding-right:1rem;
    }
    .top-strip{
      background:rgba(4,10,19,.88);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(16px);
      position:relative;
      z-index:60;
    }
    .top-strip .site-shell{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .top-strip .notice,
    .top-strip .actions{
      display:flex;
      align-items:center;
      gap:.9rem;
      font-size:13px;
      color:var(--soft);
      white-space:nowrap;
    }
    .top-strip .notice strong{
      color:var(--text);
      font-weight:600;
    }
    .top-strip .actions a{
      color:var(--soft);
      padding:.15rem 0;
    }
    .top-strip .actions a:hover{color:var(--accent)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(7,17,31,.78);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .main-nav.top-bar{
      background:transparent;
      padding:.9rem 0 .8rem;
    }
    .top-bar .top-bar-title{
      width:100%;
      display:flex;
      align-items:center;
      gap:.75rem;
    }
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:.75rem;
      color:var(--text);
      font-weight:700;
      letter-spacing:0;
      min-width:0;
    }
    .brand-logo:hover{color:var(--text)}
    .brand-mark{
      width:38px;height:38px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg, rgba(40,215,255,.24), rgba(138,167,255,.24));
      border:1px solid rgba(40,215,255,.34);
      box-shadow:0 0 24px rgba(40,215,255,.18), inset 0 1px 0 rgba(255,255,255,.16);
      color:var(--text);
      font-size:1rem;
      flex:0 0 auto;
    }
    .brand-logo span:last-child{
      font-size:1.05rem;
      line-height:1.2;
      color:var(--text);
      white-space:nowrap;
    }
    .menu-icon{
      margin-left:auto;
      width:44px;
      height:44px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.05);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
      transition:all .22s ease;
    }
    .menu-icon:hover{
      transform:translateY(-1px);
      border-color:rgba(40,215,255,.34);
      box-shadow:0 0 18px rgba(40,215,255,.12);
    }
    .top-bar#site-menu{
      background:rgba(7,17,31,.72);
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
      backdrop-filter:blur(18px);
      padding:.8rem 0;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:.55rem;
      flex-wrap:wrap;
    }
    .nav-menu a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.4rem;
      min-height:44px;
      padding:.72rem 1rem;
      color:var(--muted);
      border:1px solid transparent;
      border-radius:999px;
      background:transparent;
      transition:all .22s ease;
    }
    .nav-menu a:hover{
      color:var(--text);
      border-color:rgba(40,215,255,.22);
      background:rgba(255,255,255,.04);
      transform:translateY(-1px);
    }
    .nav-menu a.active{
      color:var(--text);
      background:rgba(40,215,255,.12);
      border-color:rgba(40,215,255,.42);
      box-shadow:0 0 20px rgba(40,215,255,.14);
    }
    .nav-menu a.btn-primary{
      color:#03111c;
      background:linear-gradient(135deg, #28D7FF, #8AA7FF);
      box-shadow:0 0 24px rgba(40,215,255,.38);
      font-weight:700;
      border-color:transparent;
    }
    .nav-menu a.btn-primary:hover{
      color:#03111c;
      transform:translateY(-2px);
      box-shadow:0 0 28px rgba(40,215,255,.48);
    }

    main{position:relative}
    .hero-band{
      position:relative;
      padding:72px 0 48px;
      overflow:hidden;
    }
    .hero-band::before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(180deg, rgba(7,17,31,.22), rgba(7,17,31,.92)),
        repeating-linear-gradient(90deg, rgba(40,215,255,.06) 0, rgba(40,215,255,.06) 1px, transparent 1px, transparent 120px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.03) 0, rgba(255,255,255,.03) 1px, transparent 1px, transparent 120px);
      opacity:.55;
    }
    .hero-band::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(40,215,255,.42), transparent);
      opacity:.85;
    }
    .hero-grid{
      position:relative;
      z-index:1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.42rem .8rem;
      border:1px solid rgba(40,215,255,.28);
      border-radius:999px;
      background:rgba(255,255,255,.04);
      color:#bfeeff;
      font-size:.84rem;
      margin-bottom:1rem;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 12px rgba(40,215,255,.55);
      flex:0 0 auto;
    }
    .hero-copy h1{
      margin:0 0 1rem;
      font-size:3.45rem;
      line-height:1.12;
      letter-spacing:0;
      max-width:10.5em;
    }
    .hero-copy p{
      margin:0;
      max-width:46rem;
      font-size:1.08rem;
      line-height:1.85;
      color:var(--muted);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin-top:1.4rem;
    }
    .button{
      margin:0;
      border:0;
      min-height:46px;
      padding:.9rem 1.2rem;
      border-radius:999px;
      font-weight:700;
      letter-spacing:0;
      transition:all .22s ease;
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }
    .button.primary-action{
      color:#03111c;
      background:linear-gradient(135deg, #28D7FF, #8AA7FF);
      box-shadow:0 0 24px rgba(40,215,255,.38);
    }
    .button.primary-action:hover,
    .button.primary-action:focus{
      color:#03111c;
      transform:translateY(-2px);
      box-shadow:0 0 30px rgba(40,215,255,.52);
    }
    .button.ghost-action{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .button.ghost-action:hover,
    .button.ghost-action:focus{
      background:rgba(255,255,255,.09);
      border-color:rgba(40,215,255,.28);
      color:var(--text);
      transform:translateY(-2px);
    }
    .trust-chips{
      display:flex;
      flex-wrap:wrap;
      gap:.6rem;
      margin-top:1.3rem;
    }
    .trust-chips span,
    .status-pill,
    .card-tag,
    .metric-tag,
    .scenario-tag{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:.38rem .75rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.05);
      color:#d6efff;
      font-size:.86rem;
      line-height:1;
      letter-spacing:0;
    }
    .hero-panel{
      position:relative;
      background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.06));
      border:1px solid rgba(255,255,255,.14);
      border-radius:22px;
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      padding:1.2rem;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(135deg, rgba(40,215,255,.08), transparent 42%),
        linear-gradient(315deg, rgba(138,167,255,.08), transparent 42%);
      opacity:.8;
    }
    .hero-panel > *{position:relative;z-index:1}
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }
    .panel-head .label{
      color:#cfeeff;
      font-size:.95rem;
      font-weight:700;
    }
    .countdown{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:.7rem;
      margin-bottom:1rem;
    }
    .countdown div{
      padding:.95rem .6rem;
      border-radius:16px;
      text-align:center;
      background:rgba(7,17,31,.58);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .countdown strong{
      display:block;
      font-size:1.55rem;
      line-height:1;
      color:var(--text);
      font-variant-numeric:tabular-nums;
    }
    .countdown span{
      display:block;
      margin-top:.35rem;
      font-size:.82rem;
      color:var(--soft);
    }
    .preview-lines{
      margin-top:.8rem;
      display:grid;
      gap:.65rem;
    }
    .preview-line{
      display:flex;
      gap:.9rem;
      align-items:flex-start;
      padding:.78rem .85rem;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.1);
    }
    .preview-line .time{
      flex:0 0 auto;
      color:#9fdfff;
      font-variant-numeric:tabular-nums;
      font-size:.9rem;
      min-width:4.6rem;
    }
    .preview-line .text{
      color:var(--muted);
      line-height:1.7;
    }
    .format-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:1rem;
    }
    .format-tags span{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:70px;
      padding:.55rem .8rem;
      border-radius:12px;
      border:1px solid rgba(40,215,255,.22);
      background:rgba(40,215,255,.08);
      color:#c9f7ff;
      font-weight:700;
      letter-spacing:0;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .progress-shell{
      margin-top:1rem;
      padding-top:1rem;
      border-top:1px solid rgba(255,255,255,.1);
    }
    .progress-title{
      display:flex;
      justify-content:space-between;
      gap:1rem;
      font-size:.93rem;
      color:var(--soft);
      margin-bottom:.55rem;
    }
    .progress-bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .progress-bar span{
      display:block;
      height:100%;
      width:72%;
      border-radius:inherit;
      background:linear-gradient(90deg, #28D7FF, #8AA7FF);
      box-shadow:0 0 18px rgba(40,215,255,.4);
    }

    .section-band{
      padding:88px 0;
      position:relative;
    }
    .section-band.alt{
      background:linear-gradient(180deg, rgba(5,13,24,.34), rgba(7,17,31,.2));
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.05);
    }
    .section-head{
      max-width:760px;
      margin-bottom:1.9rem;
    }
    .section-head h2{
      margin:0 0 .8rem;
      font-size:2.55rem;
      line-height:1.18;
      letter-spacing:0;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:1.03rem;
      line-height:1.85;
    }

    .side-panel,
    .glass-card,
    .content-card,
    .metric-card,
    .scenario-card,
    .solution-card,
    .contact-panel,
    .faq-accordion .accordion-item{
      background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.06));
      border:1px solid rgba(255,255,255,.14);
      border-radius:20px;
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow-soft);
    }
    .side-panel,
    .contact-panel{
      padding:1.15rem;
    }
    .side-panel{
      position:sticky;
      top:112px;
    }
    .side-panel h3,
    .contact-panel h3{
      margin:0 0 .7rem;
      font-size:1.2rem;
      line-height:1.35;
    }
    .side-panel p,
    .contact-panel p{
      margin:0 0 1rem;
      color:var(--muted);
      line-height:1.75;
      font-size:.98rem;
    }
    .filter-group{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-bottom:1rem;
    }
    .tag-button{
      appearance:none;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.05);
      color:var(--muted);
      border-radius:999px;
      min-height:42px;
      padding:.65rem .95rem;
      transition:all .22s ease;
      font-size:.92rem;
      cursor:pointer;
    }
    .tag-button:hover,
    .tag-button:focus{
      border-color:rgba(40,215,255,.34);
      color:var(--text);
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
      outline:none;
    }
    .tag-button.is-active{
      background:rgba(40,215,255,.16);
      border-color:rgba(40,215,255,.48);
      color:var(--text);
      box-shadow:0 0 20px rgba(40,215,255,.16);
    }
    .quick-links{
      display:grid;
      gap:.6rem;
      margin-top:1rem;
    }
    .quick-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:.9rem .95rem;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:var(--text);
    }
    .quick-links a:hover{
      border-color:rgba(40,215,255,.28);
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .quick-links a::after{
      content:"→";
      color:var(--accent);
      flex:0 0 auto;
    }

    .content-card{
      height:100%;
      padding:1.1rem;
      display:flex;
      flex-direction:column;
      gap:.8rem;
      transition:all .22s ease;
      overflow:hidden;
    }
    .content-card:hover,
    .metric-card:hover,
    .scenario-card:hover,
    .solution-card:hover{
      transform:translateY(-2px);
      border-color:rgba(40,215,255,.34);
      box-shadow:0 22px 52px rgba(1,8,20,.34), 0 0 24px rgba(40,215,255,.12);
    }
    .content-card .card-tag,
    .scenario-card .scenario-tag,
    .solution-card .metric-tag{
      width:max-content;
    }
    .content-card h3{
      margin:0;
      font-size:1.35rem;
      line-height:1.38;
      letter-spacing:0;
    }
    .content-card p,
    .scenario-card p,
    .solution-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.98rem;
    }
    .content-meta,
    .scenario-meta,
    .solution-meta{
      display:flex;
      flex-wrap:wrap;
      gap:.7rem;
      color:var(--soft);
      font-size:.88rem;
      font-variant-numeric:tabular-nums;
    }
    .content-link,
    .card-link{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      color:#c9f7ff;
      font-weight:700;
    }
    .content-link::after,
    .card-link::after{
      content:"→";
      color:var(--accent);
      transition:transform .2s ease;
    }
    .content-link:hover::after,
    .card-link:hover::after{
      transform:translateX(2px);
    }
    .card-desc-line{
      color:var(--muted);
      line-height:1.72;
      min-height:3.44em;
    }

    .metric-grid{
      display:grid;
      gap:1rem;
    }
    .metric-card{
      padding:1.1rem;
      display:flex;
      flex-direction:column;
      gap:.7rem;
      min-height:160px;
    }
    .metric-value{
      font-size:2.25rem;
      line-height:1;
      font-weight:800;
      color:var(--text);
      font-variant-numeric:tabular-nums;
    }
    .metric-label{
      color:#d7f4ff;
      font-size:1rem;
      font-weight:700;
    }
    .metric-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.96rem;
    }
    .metric-track{
      height:8px;
      background:rgba(255,255,255,.08);
      border-radius:999px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      margin-top:auto;
    }
    .metric-track span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(40,215,255,.95), rgba(138,167,255,.9));
      box-shadow:0 0 18px rgba(40,215,255,.32);
    }

    .scenario-card,
    .solution-card{
      height:100%;
      padding:1.1rem;
      display:flex;
      flex-direction:column;
      gap:.8rem;
    }
    .scenario-card h3,
    .solution-card h3{
      margin:0;
      font-size:1.22rem;
      line-height:1.35;
    }
    .scenario-list,
    .solution-list{
      margin:0;
      padding-left:1.05rem;
      color:var(--muted);
      line-height:1.8;
    }
    .scenario-list li,
    .solution-list li{
      margin:.2rem 0;
    }
    .scenario-footer,
    .solution-footer{
      margin-top:auto;
      padding-top:.65rem;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .scenario-footer .note,
    .solution-footer .note{
      color:var(--soft);
      font-size:.9rem;
    }

    .faq-band{
      background:linear-gradient(180deg, rgba(5,13,24,.42), rgba(7,17,31,.88));
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .faq-accordion{
      margin:0;
      border:0;
      background:transparent;
    }
    .faq-accordion .accordion-item{
      margin-bottom:1rem;
      overflow:hidden;
    }
    .faq-accordion .accordion-title{
      position:relative;
      padding:1.05rem 3.2rem 1.05rem 1.1rem;
      color:var(--text);
      font-size:1.02rem;
      line-height:1.6;
      border:0;
      background:transparent;
    }
    .faq-accordion .accordion-title:hover{
      background:rgba(255,255,255,.04);
      color:var(--text);
    }
    .faq-accordion .accordion-title::after{
      content:"+";
      position:absolute;
      right:1.05rem;
      top:50%;
      transform:translateY(-50%);
      width:28px;
      height:28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      color:var(--accent);
      background:rgba(255,255,255,.04);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
      font-size:1rem;
      font-weight:700;
    }
    .faq-accordion .accordion-item.is-active .accordion-title::after{
      transform:translateY(-50%) rotate(45deg);
      border-color:rgba(40,215,255,.34);
      background:rgba(40,215,255,.12);
    }
    .faq-accordion .accordion-content{
      border:0;
      background:rgba(7,17,31,.46);
      color:var(--muted);
      line-height:1.85;
      padding:0 1.1rem 1rem;
    }
    .faq-accordion .accordion-content p{margin:0 0 .7rem}
    .faq-accordion .accordion-content p:last-child{margin-bottom:0}

    .contact-band{
      padding-top:92px;
    }
    .contact-layout{
      align-items:start;
    }
    .contact-panel ul{
      margin:0;
      padding-left:1rem;
      color:var(--muted);
      line-height:1.8;
    }
    .contact-panel li{margin:.25rem 0}
    .contact-form{
      background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.06));
      border:1px solid rgba(255,255,255,.14);
      border-radius:22px;
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow-soft);
      padding:1.1rem;
    }
    .contact-form .grid-x{margin-left:-.6rem;margin-right:-.6rem}
    .contact-form .cell{padding-left:.6rem;padding-right:.6rem}
    .contact-form label{
      display:block;
      margin-bottom:.4rem;
      color:#d6efff;
      font-size:.94rem;
      font-weight:700;
    }
    .contact-form input,
    .contact-form select,
    .contact-form textarea{
      width:100%;
      min-height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(7,17,31,.62);
      color:var(--text);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
      transition:all .22s ease;
    }
    .contact-form input,
    .contact-form select{
      padding:.8rem .95rem;
    }
    .contact-form textarea{
      min-height:140px;
      padding:.95rem;
      resize:vertical;
    }
    .contact-form input::placeholder,
    .contact-form textarea::placeholder{
      color:rgba(234,246,255,.42);
    }
    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus{
      outline:none;
      border-color:rgba(40,215,255,.5);
      box-shadow:0 0 0 4px rgba(40,215,255,.11), 0 0 18px rgba(40,215,255,.12);
      background:rgba(7,17,31,.74);
    }
    .contact-form .button{
      width:100%;
      margin-top:.25rem;
    }
    .form-note{
      margin-top:.75rem;
      color:var(--soft);
      font-size:.9rem;
      line-height:1.75;
    }

    .site-footer{
      padding:72px 0 30px;
      background:linear-gradient(180deg, rgba(5,13,24,.96), rgba(7,17,31,.98));
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:.75rem;
      color:var(--text);
      font-weight:700;
      font-size:1.05rem;
      margin-bottom:1rem;
    }
    .footer-desc{
      max-width:44rem;
      color:var(--muted);
      line-height:1.85;
      margin:0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:.75rem 1rem;
    }
    .footer-links a{
      color:var(--soft);
      padding:.15rem 0;
    }
    .footer-links a:hover{color:var(--accent)}
    .footer-bottom{
      margin-top:1.5rem;
      padding-top:1rem;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:.75rem 1rem;
      color:rgba(234,246,255,.56);
      font-size:.92rem;
      line-height:1.6;
    }

    .is-hidden{display:none !important;}

    @media (max-width: 1024px){
      .hero-copy h1{font-size:2.9rem}
      .section-head h2{font-size:2.15rem}
      .side-panel{position:static}
      .contact-band{padding-top:76px}
    }
    @media (max-width: 640px){
      .top-strip .site-shell{
        gap:.65rem;
        overflow-x:auto;
        white-space:nowrap;
        -webkit-overflow-scrolling:touch;
      }
      .top-strip .actions{margin-left:auto}
      .brand-logo span:last-child{
        white-space:normal;
        font-size:.98rem;
      }
      .main-nav.top-bar{padding:.7rem 0 .65rem}
      .nav-menu{
        flex-direction:column;
        align-items:stretch;
        gap:.5rem;
      }
      .nav-menu a{
        width:100%;
        justify-content:center;
      }
      .hero-band{
        padding:56px 0 40px;
      }
      .hero-copy h1{
        font-size:2.25rem;
        max-width:none;
      }
      .hero-copy p{
        font-size:1rem;
      }
      .section-band{
        padding:62px 0;
      }
      .section-head h2{
        font-size:1.85rem;
      }
      .grid-container.site-shell{
        padding-left:.9rem;
        padding-right:.9rem;
      }
      .countdown{
        gap:.5rem;
      }
      .countdown strong{font-size:1.25rem}
      .countdown span{font-size:.76rem}
      .hero-panel,
      .side-panel,
      .content-card,
      .metric-card,
      .scenario-card,
      .solution-card,
      .contact-panel,
      .contact-form{
        border-radius:18px;
      }
      .filter-group{
        overflow-x:auto;
        flex-wrap:nowrap;
        padding-bottom:.25rem;
      }
      .tag-button{
        white-space:nowrap;
        flex:0 0 auto;
      }
      .footer-links{
        justify-content:flex-start;
      }
      .footer-bottom{
        flex-direction:column;
      }
      .contact-form .button{
        margin-top:.4rem;
      }
    }