/* roulang page: index */
:root {
      --bg-deep: #07111F;
      --bg-panel: #0B1628;
      --bg-card: rgba(255, 255, 255, 0.075);
      --bg-card-strong: rgba(255, 255, 255, 0.105);
      --text-main: #EAF4FF;
      --text-soft: #AABBD0;
      --text-muted: #6F85A2;
      --line: rgba(132, 191, 255, 0.18);
      --line-strong: rgba(56, 213, 255, 0.42);
      --cyan: #38D5FF;
      --mint: #22E6C8;
      --violet: #7C5CFF;
      --purple: #A855F7;
      --amber: #FFB84D;
      --green: #7CFFB2;
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --shadow-glow: 0 0 0 1px rgba(56, 213, 255, 0.15), 0 22px 80px rgba(0, 0, 0, 0.42), 0 0 48px rgba(56, 213, 255, 0.08);
      --shadow-card: 0 18px 54px rgba(0, 0, 0, 0.32);
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg-deep);
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text-main);
      font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.72;
      background:
        radial-gradient(circle at 12% 8%, rgba(56, 213, 255, 0.18), transparent 30%),
        radial-gradient(circle at 80% 18%, rgba(124, 92, 255, 0.18), transparent 34%),
        radial-gradient(circle at 55% 70%, rgba(34, 230, 200, 0.08), transparent 36%),
        linear-gradient(135deg, #06101E 0%, #09182B 45%, #07111F 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.12));
    }

    body::after {
      content: "";
      position: fixed;
      inset: -20%;
      pointer-events: none;
      z-index: -1;
      background:
        conic-gradient(from 190deg at 55% 48%, transparent 0deg, rgba(56,213,255,.08) 42deg, transparent 92deg, rgba(124,92,255,.09) 150deg, transparent 232deg, rgba(34,230,200,.05) 300deg, transparent 360deg);
      filter: blur(22px);
      opacity: .78;
      animation: haloSpin 24s linear infinite;
    }

    @keyframes haloSpin {
      0% { transform: rotate(0deg) scale(1); }
      50% { transform: rotate(8deg) scale(1.04); }
      100% { transform: rotate(0deg) scale(1); }
    }

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

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

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

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

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    summary:focus-visible {
      box-shadow: 0 0 0 4px rgba(56, 213, 255, .22), 0 0 0 1px rgba(56, 213, 255, .82);
      border-color: rgba(56, 213, 255, .72);
    }

    .site-shell {
      width: min(100% - 32px, 1220px);
      margin-inline: auto;
    }

    .glass {
      background: linear-gradient(145deg, rgba(255,255,255,.105), rgba(255,255,255,.052));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-glow);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
    }

    .section-pad {
      padding: 92px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 13px;
      border-radius: 999px;
      border: 1px solid rgba(56, 213, 255, .24);
      background: rgba(56, 213, 255, .08);
      color: #9BEAFF;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .04em;
    }

    .section-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 18px rgba(34, 230, 200, .85);
    }

    .section-title {
      margin-top: 18px;
      color: var(--text-main);
      font-weight: 900;
      letter-spacing: -0.04em;
      line-height: 1.12;
    }

    .section-desc {
      color: var(--text-soft);
      max-width: 760px;
      margin-top: 18px;
      font-size: 17px;
    }

    .btn-primary,
    .btn-secondary,
    .btn-small {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      min-height: 46px;
      padding: 0 22px;
      font-weight: 800;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), color .22s var(--ease), filter .22s var(--ease);
      cursor: pointer;
      user-select: none;
      white-space: nowrap;
    }

    .btn-primary {
      color: white;
      background: linear-gradient(120deg, var(--cyan), #2A7BFF 45%, var(--violet));
      border: 1px solid rgba(255,255,255,.22);
      box-shadow: 0 16px 46px rgba(56, 213, 255, .24), 0 0 28px rgba(124, 92, 255, .18);
      background-size: 160% 160%;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      background-position: 100% 50%;
      box-shadow: 0 22px 68px rgba(56, 213, 255, .32), 0 0 42px rgba(124, 92, 255, .28);
    }

    .btn-primary:active,
    .btn-secondary:active,
    .btn-small:active {
      transform: scale(.98);
    }

    .btn-secondary {
      color: #BDEFFF;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(189, 239, 255, .20);
    }

    .btn-secondary:hover {
      color: white;
      border-color: rgba(56, 213, 255, .58);
      background: rgba(56, 213, 255, .11);
      transform: translateY(-2px);
    }

    .btn-small {
      min-height: 38px;
      padding: 0 15px;
      font-size: 13px;
      color: #A6F2FF;
      background: rgba(56, 213, 255, .075);
      border: 1px solid rgba(56, 213, 255, .22);
    }

    .btn-small:hover {
      transform: translateY(-2px);
      color: white;
      border-color: rgba(56, 213, 255, .55);
      background: rgba(56, 213, 255, .14);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border: 1px solid rgba(56, 213, 255, .22);
      background: rgba(56, 213, 255, .08);
      color: #BCEFFF;
      border-radius: 999px;
      padding: 6px 11px;
      font-size: 12px;
      font-weight: 800;
    }

    .badge::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--cyan);
      box-shadow: 0 0 14px rgba(56, 213, 255, .8);
    }

    .panel-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, rgba(255,255,255,.095), rgba(255,255,255,.045));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease), box-shadow .28s var(--ease);
    }

    .panel-card::before {
      content: "";
      position: absolute;
      inset: -1px;
      pointer-events: none;
      background: radial-gradient(circle at 18% 12%, rgba(56,213,255,.16), transparent 28%),
                  radial-gradient(circle at 90% 18%, rgba(124,92,255,.14), transparent 26%);
      opacity: .58;
      transition: opacity .28s var(--ease);
    }

    .panel-card > * {
      position: relative;
      z-index: 1;
    }

    .panel-card:hover {
      transform: translateY(-4px);
      border-color: rgba(56, 213, 255, .46);
      background: linear-gradient(145deg, rgba(255,255,255,.125), rgba(255,255,255,.065));
      box-shadow: 0 20px 62px rgba(0,0,0,.36), 0 0 42px rgba(56,213,255,.12);
    }

    .panel-card:hover::before {
      opacity: .95;
    }

    .site-header {
      position: sticky;
      top: 16px;
      z-index: 50;
      padding: 16px 0 0;
    }

    .nav-panel {
      min-height: 74px;
      border-radius: 999px;
      padding: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding-left: 6px;
      min-width: max-content;
    }

    .brand-icon {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.78), transparent 18%),
        linear-gradient(135deg, var(--cyan), var(--violet));
      box-shadow: 0 0 24px rgba(56, 213, 255, .36), inset 0 0 18px rgba(255,255,255,.18);
      position: relative;
      overflow: hidden;
    }

    .brand-icon::after {
      content: "";
      position: absolute;
      width: 26px;
      height: 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.6);
      left: 8px;
      top: 17px;
      transform: rotate(-18deg);
      background: rgba(255,255,255,.12);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: 16px;
      letter-spacing: .01em;
      color: #FFFFFF;
      font-weight: 900;
    }

    .brand-text span {
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 700;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex: 1;
    }

    .nav-link {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 0 16px;
      border-radius: 999px;
      color: #C7D8EC;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.045);
      font-size: 14px;
      font-weight: 800;
      transition: all .22s var(--ease);
    }

    .nav-link .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: rgba(170,187,208,.55);
      box-shadow: none;
      transition: all .22s var(--ease);
    }

    .nav-link:hover,
    .nav-link.active {
      color: #FFFFFF;
      border-color: rgba(56, 213, 255, .45);
      background: rgba(56, 213, 255, .12);
      transform: translateY(-1px);
    }

    .nav-link:hover .dot,
    .nav-link.active .dot {
      background: var(--cyan);
      box-shadow: 0 0 14px rgba(56, 213, 255, .9);
    }

    .mobile-menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      color: #DFF7FF;
      align-items: center;
      justify-content: center;
    }

    .hero {
      padding: 82px 0 48px;
      position: relative;
    }

    .hero-bg-plate {
      position: absolute;
      inset: 24px 0 auto;
      height: 700px;
      z-index: -1;
      opacity: .28;
      background-image:
        linear-gradient(to bottom, rgba(7,17,31,.10), rgba(7,17,31,.95)),
        url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      border-radius: 0 0 70px 70px;
      filter: saturate(1.12);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(430px, .98fr);
      gap: 36px;
      align-items: center;
    }

    .hero-copy {
      padding: 18px 0;
    }

    .hero-title {
      font-size: clamp(38px, 5.2vw, 72px);
      line-height: 1.04;
      letter-spacing: -0.065em;
      font-weight: 900;
      margin: 22px 0 0;
    }

    .hero-title span {
      background: linear-gradient(95deg, #FFFFFF 0%, #A8F2FF 42%, #A996FF 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      text-shadow: 0 0 46px rgba(56,213,255,.18);
    }

    .hero-subtitle {
      margin-top: 22px;
      color: var(--text-soft);
      max-width: 650px;
      font-size: 18px;
      line-height: 1.85;
    }

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

    .trust-strip {
      margin-top: 28px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 680px;
    }

    .trust-item {
      padding: 14px 15px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.055);
      display: flex;
      gap: 10px;
      align-items: flex-start;
      min-height: 82px;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 15px rgba(124,255,178,.86);
      flex: 0 0 auto;
    }

    .trust-item strong {
      display: block;
      font-size: 18px;
      color: #FFFFFF;
      line-height: 1.1;
    }

    .trust-item span {
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 700;
    }

    .console-wrap {
      padding: 12px;
      border-radius: 34px;
      background: linear-gradient(145deg, rgba(56,213,255,.16), rgba(124,92,255,.10));
      border: 1px solid rgba(56,213,255,.22);
      box-shadow: 0 0 74px rgba(56,213,255,.14);
      position: relative;
    }

    .console-wrap::after {
      content: "";
      position: absolute;
      inset: auto 28px -24px;
      height: 40px;
      background: radial-gradient(ellipse at center, rgba(56,213,255,.34), transparent 70%);
      filter: blur(14px);
      opacity: .75;
    }

    .visual-console {
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      border: 1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(to bottom, rgba(5, 16, 31, .86), rgba(6, 21, 39, .72)),
        url('/assets/images/coverpic/cover-1.webp');
      background-size: cover;
      background-position: center;
      min-height: 568px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
    }

    .visual-console::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(56,213,255,.08) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px);
      background-size: 36px 36px;
      opacity: .35;
      mask-image: linear-gradient(to bottom, black, transparent 92%);
    }

    .window-bar {
      position: relative;
      z-index: 1;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      border-bottom: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.055);
      backdrop-filter: blur(16px);
    }

    .window-dots {
      display: flex;
      gap: 8px;
    }

    .window-dots i {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      display: block;
    }

    .window-dots i:nth-child(1) { background: #FF6A6A; }
    .window-dots i:nth-child(2) { background: #FFCF5A; }
    .window-dots i:nth-child(3) { background: #61FFA8; }

    .console-status {
      color: #BEEFFF;
      font-size: 12px;
      font-weight: 800;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(56,213,255,.10);
      border: 1px solid rgba(56,213,255,.22);
    }

    .console-body {
      position: relative;
      z-index: 1;
      padding: 22px;
      display: grid;
      gap: 16px;
    }

    .route-card {
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(5, 18, 34, .72);
      padding: 18px;
      box-shadow: 0 16px 38px rgba(0,0,0,.22);
    }

    .route-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 15px;
    }

    .route-title {
      font-weight: 900;
      color: white;
      font-size: 17px;
    }

    .route-pill {
      color: #0B1628;
      background: linear-gradient(120deg, var(--cyan), var(--mint));
      padding: 5px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
    }

    .flow-bars {
      display: grid;
      gap: 10px;
    }

    .flow-row {
      display: grid;
      grid-template-columns: 92px 1fr 42px;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--text-soft);
      font-weight: 700;
    }

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

    .bar-fill {
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--cyan), var(--violet));
      box-shadow: 0 0 18px rgba(56,213,255,.42);
    }

    .console-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .mini-metric {
      border-radius: 20px;
      padding: 16px;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(255,255,255,.11);
    }

    .mini-metric span {
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 800;
    }

    .mini-metric strong {
      display: block;
      margin-top: 6px;
      color: white;
      font-size: 25px;
      line-height: 1;
      font-weight: 900;
    }

    .micro-line {
      margin-top: 14px;
      display: flex;
      align-items: end;
      gap: 4px;
      height: 34px;
    }

    .micro-line i {
      flex: 1;
      display: block;
      border-radius: 999px 999px 4px 4px;
      background: linear-gradient(to top, rgba(56,213,255,.30), rgba(34,230,200,.90));
      min-height: 8px;
    }

    .console-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .console-tag {
      font-size: 12px;
      color: #D8F8FF;
      font-weight: 800;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      border-radius: 999px;
      padding: 7px 10px;
    }

    .feature-mosaic {
      display: grid;
      grid-template-columns: 1.2fr .8fr .75fr;
      grid-auto-rows: minmax(168px, auto);
      gap: 16px;
    }

    .feature-mosaic .wide {
      grid-column: span 2;
    }

    .feature-card {
      padding: 24px;
      min-height: 168px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-card h3 {
      color: #FFFFFF;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 900;
      margin-top: 18px;
    }

    .feature-card p {
      color: var(--text-soft);
      margin-top: 10px;
      font-size: 14px;
    }

    .feature-arrow {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #07111F;
      background: linear-gradient(135deg, var(--cyan), var(--mint));
      margin-left: auto;
      box-shadow: 0 0 24px rgba(56,213,255,.24);
    }

    .adv-grid {
      margin-top: 42px;
      display: grid;
      grid-template-columns: 1.08fr .92fr .92fr;
      grid-template-rows: auto auto;
      gap: 18px;
    }

    .adv-large {
      grid-row: span 2;
      padding: 30px;
      min-height: 440px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .adv-large figure {
      margin: 24px 0 0;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.16);
      background: linear-gradient(135deg, rgba(56,213,255,.18), rgba(124,92,255,.16));
      min-height: 190px;
    }

    .adv-large img {
      width: 100%;
      height: 210px;
      object-fit: cover;
      opacity: .82;
      mix-blend-mode: screen;
    }

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

    .adv-card h3,
    .adv-large h3 {
      margin-top: 16px;
      color: white;
      font-size: 23px;
      line-height: 1.28;
      font-weight: 900;
    }

    .adv-card p,
    .adv-large p {
      margin-top: 12px;
      color: var(--text-soft);
      font-size: 14px;
    }

    .line-chip {
      margin-top: 20px;
      height: 5px;
      width: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(56,213,255,.8), rgba(124,92,255,.16), transparent);
    }

    .case-waterfall {
      margin-top: 42px;
      column-count: 3;
      column-gap: 18px;
    }

    .case-card {
      break-inside: avoid;
      margin-bottom: 18px;
      overflow: hidden;
    }

    .case-card.tall .case-img {
      height: 300px;
    }

    .case-card.medium .case-img {
      height: 238px;
    }

    .case-card.compact .case-img {
      height: 190px;
    }

    .case-img {
      position: relative;
      overflow: hidden;
      border-radius: 24px 24px 0 0;
      background: linear-gradient(135deg, rgba(56,213,255,.18), rgba(124,92,255,.18));
    }

    .case-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(1.05) contrast(1.05);
      opacity: .86;
      transition: transform .5s var(--ease);
    }

    .case-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, transparent 38%, rgba(7,17,31,.88));
    }

    .case-card:hover img {
      transform: scale(1.045);
    }

    .case-body {
      padding: 22px;
    }

    .case-body h3 {
      color: white;
      font-size: 20px;
      font-weight: 900;
      line-height: 1.32;
      margin-top: 14px;
    }

    .case-body p {
      color: var(--text-soft);
      font-size: 14px;
      margin-top: 10px;
    }

    .plan-grid {
      margin-top: 42px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .plan-card {
      padding: 28px;
      min-height: 440px;
      display: flex;
      flex-direction: column;
    }

    .plan-card.recommended {
      border-color: rgba(56, 213, 255, .46);
      background: linear-gradient(145deg, rgba(56,213,255,.13), rgba(124,92,255,.10));
      box-shadow: 0 22px 78px rgba(56,213,255,.12), 0 16px 52px rgba(0,0,0,.28);
    }

    .plan-card h3 {
      color: white;
      font-size: 25px;
      font-weight: 900;
      line-height: 1.2;
      margin-top: 18px;
    }

    .plan-card .fit {
      margin-top: 10px;
      color: var(--text-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .plan-list {
      margin: 24px 0 26px;
      display: grid;
      gap: 13px;
    }

    .plan-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text-soft);
      font-size: 14px;
    }

    .plan-list li::before {
      content: "✓";
      color: var(--mint);
      font-weight: 900;
      line-height: 1.4;
    }

    .plan-card .plan-action {
      margin-top: auto;
    }

    .process-track {
      margin-top: 44px;
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      position: relative;
    }

    .process-track::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 36px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(56,213,255,.54), rgba(124,92,255,.38), transparent);
    }

    .step-card {
      padding: 22px 16px 20px;
      position: relative;
      z-index: 1;
      min-height: 200px;
    }

    .step-no {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #07111F;
      background: linear-gradient(135deg, var(--cyan), var(--mint));
      font-weight: 900;
      box-shadow: 0 0 28px rgba(56,213,255,.38);
    }

    .step-card h3 {
      color: white;
      font-size: 18px;
      font-weight: 900;
      margin-top: 22px;
    }

    .step-card p {
      color: var(--text-soft);
      font-size: 13px;
      margin-top: 9px;
    }

    .faq-layout {
      margin-top: 42px;
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 22px;
      align-items: start;
    }

    .faq-note {
      padding: 28px;
      position: sticky;
      top: 110px;
    }

    .faq-note h3 {
      color: white;
      font-size: 26px;
      font-weight: 900;
      line-height: 1.25;
    }

    .faq-note p {
      color: var(--text-soft);
      margin-top: 14px;
    }

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

    details.faq-item {
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.06);
      overflow: hidden;
      transition: border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
    }

    details.faq-item[open] {
      border-color: rgba(56,213,255,.42);
      background: rgba(56,213,255,.075);
      box-shadow: 0 0 32px rgba(56,213,255,.08);
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 21px 22px;
      color: white;
      font-weight: 900;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      min-height: 64px;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      flex: 0 0 30px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #07111F;
      background: linear-gradient(135deg, var(--cyan), var(--mint));
      font-weight: 900;
      transition: transform .22s var(--ease);
    }

    .faq-item[open] summary::after {
      content: "−";
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 22px 22px;
      color: var(--text-soft);
      font-size: 15px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .contact-cta {
      border-radius: 34px;
      overflow: hidden;
      position: relative;
      padding: 1px;
      background: linear-gradient(135deg, rgba(56,213,255,.55), rgba(124,92,255,.28), rgba(34,230,200,.36));
      box-shadow: 0 28px 90px rgba(0,0,0,.42), 0 0 80px rgba(56,213,255,.12);
    }

    .contact-inner {
      border-radius: 33px;
      background:
        linear-gradient(135deg, rgba(7,17,31,.94), rgba(12,30,55,.86)),
        url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      padding: 38px;
      display: grid;
      grid-template-columns: .94fr 1.06fr;
      gap: 26px;
    }

    .contact-copy h2 {
      color: white;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: -.045em;
    }

    .contact-copy p {
      color: var(--text-soft);
      margin-top: 18px;
      font-size: 16px;
    }

    .contact-info {
      margin-top: 24px;
      display: grid;
      gap: 12px;
    }

    .info-row {
      display: flex;
      gap: 12px;
      align-items: center;
      padding: 13px 14px;
      border-radius: 17px;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(255,255,255,.10);
      color: #DCEFFF;
      font-size: 14px;
    }

    .info-row i {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--amber);
      box-shadow: 0 0 16px rgba(255,184,77,.72);
    }

    .contact-form {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255,255,255,.075);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(18px);
      display: grid;
      gap: 14px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field label {
      color: #D8F8FF;
      font-size: 13px;
      font-weight: 800;
    }

    .field input,
    .field textarea,
    .field select {
      width: 100%;
      border-radius: 16px;
      border: 1px solid rgba(132,191,255,.23);
      background: rgba(4, 14, 28, .62);
      color: white;
      min-height: 48px;
      padding: 0 15px;
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }

    .field textarea {
      min-height: 116px;
      resize: vertical;
      padding-top: 12px;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(170,187,208,.52);
    }

    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: rgba(56,213,255,.72);
      background: rgba(5,18,34,.86);
      box-shadow: 0 0 0 4px rgba(56,213,255,.16);
    }

    .site-footer {
      padding: 56px 0 34px;
      background: linear-gradient(to bottom, transparent, rgba(3, 10, 20, .72));
    }

    .footer-panel {
      border-radius: 30px;
      padding: 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr .9fr;
      gap: 26px;
      align-items: start;
    }

    .footer-title {
      color: white;
      font-weight: 900;
      font-size: 18px;
      margin-bottom: 12px;
    }

    .footer-text,
    .footer-link,
    .copyright {
      color: var(--text-soft);
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

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

    .footer-link:hover {
      color: var(--cyan);
      transform: translateX(3px);
    }

    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .footer-bottom {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.10);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    @media (max-width: 1100px) {
      .hero-grid,
      .contact-inner,
      .faq-layout {
        grid-template-columns: 1fr;
      }

      .hero-grid {
        gap: 28px;
      }

      .console-wrap {
        max-width: 720px;
        margin-inline: auto;
        width: 100%;
      }

      .feature-mosaic,
      .adv-grid,
      .plan-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .adv-large {
        grid-row: auto;
        grid-column: span 2;
      }

      .process-track {
        grid-template-columns: repeat(3, 1fr);
      }

      .process-track::before {
        display: none;
      }

      .case-waterfall {
        column-count: 2;
      }

      .faq-note {
        position: relative;
        top: auto;
      }

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

    @media (max-width: 860px) {
      .site-header {
        top: 10px;
      }

      .nav-panel {
        border-radius: 28px;
        align-items: flex-start;
        flex-wrap: wrap;
      }

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

      .nav-links {
        order: 4;
        width: 100%;
        display: none;
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .nav-panel.is-open .nav-links {
        display: grid;
      }

      .nav-link {
        width: 100%;
        justify-content: flex-start;
        border-radius: 18px;
      }

      .nav-cta {
        margin-left: auto;
      }

      .section-pad {
        padding: 72px 0;
      }

      .hero {
        padding-top: 58px;
      }

      .trust-strip,
      .feature-mosaic,
      .adv-grid,
      .plan-grid,
      .process-track,
      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .feature-mosaic .wide,
      .adv-large {
        grid-column: auto;
      }

      .visual-console {
        min-height: 510px;
      }

      .case-waterfall {
        column-count: 1;
      }
    }

    @media (max-width: 560px) {
      .site-shell {
        width: min(100% - 22px, 1220px);
      }

      .brand-text span {
        display: none;
      }

      .brand-icon {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .nav-cta {
        display: none;
      }

      .hero-title {
        font-size: 38px;
      }

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

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

      .btn-primary,
      .btn-secondary {
        width: 100%;
      }

      .trust-item {
        min-height: auto;
      }

      .visual-console {
        min-height: auto;
      }

      .console-body {
        padding: 16px;
      }

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

      .flow-row {
        grid-template-columns: 76px 1fr 34px;
      }

      .feature-card,
      .adv-card,
      .adv-large,
      .plan-card,
      .contact-inner,
      .footer-panel {
        padding: 22px;
      }

      .contact-inner {
        border-radius: 25px;
      }

      .contact-cta {
        border-radius: 26px;
      }

      .footer-bottom {
        display: grid;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #07111F;
      --bg-deep: #040A13;
      --panel: rgba(255,255,255,.075);
      --panel-strong: rgba(255,255,255,.105);
      --line: rgba(154, 205, 255, .18);
      --line-strong: rgba(56, 213, 255, .46);
      --text: #EAF4FF;
      --muted: #AABBD0;
      --muted-2: #6F83A0;
      --cyan: #38D5FF;
      --teal: #22E6C8;
      --violet: #7C5CFF;
      --purple: #A855F7;
      --amber: #F9B44E;
      --green: #6BFFB2;
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --shadow: 0 24px 80px rgba(0, 0, 0, .46);
      --glow: 0 0 0 1px rgba(56,213,255,.16), 0 18px 60px rgba(34,230,200,.12);
      --font: PingFang SC, Microsoft YaHei, HarmonyOS Sans, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 15% 8%, rgba(56, 213, 255, .16), transparent 34%),
        radial-gradient(circle at 86% 12%, rgba(124, 92, 255, .16), transparent 30%),
        radial-gradient(circle at 50% 80%, rgba(34, 230, 200, .08), transparent 34%),
        linear-gradient(145deg, #040A13 0%, #07111F 42%, #0B1628 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      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: radial-gradient(circle at center, black, transparent 78%);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .46;
      background:
        linear-gradient(115deg, transparent 0 20%, rgba(56,213,255,.07) 21%, transparent 22% 54%, rgba(124,92,255,.08) 55%, transparent 56%),
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.05), transparent 2px);
      background-size: 100% 100%, 90px 90px;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, textarea, select { font: inherit; }
    ::selection { background: rgba(56,213,255,.28); color: #fff; }

    .site-shell {
      width: min(1180px, calc(100% - 40px));
      margin-inline: auto;
    }

    .glass {
      background: linear-gradient(135deg, rgba(255,255,255,.105), rgba(255,255,255,.045));
      border: 1px solid var(--line);
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      padding: 18px 0 10px;
      background: linear-gradient(to bottom, rgba(4,10,19,.92), rgba(4,10,19,.68), transparent);
    }

    .nav-panel {
      min-height: 76px;
      border-radius: 26px;
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 12px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 230px;
      border-radius: 20px;
      padding: 10px 12px;
      transition: transform .25s ease, background .25s ease, border-color .25s ease;
    }

    .brand-mark:hover,
    .brand-mark:focus-visible {
      background: rgba(255,255,255,.06);
      outline: none;
      transform: translateY(-1px);
    }

    .brand-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      position: relative;
      flex: 0 0 auto;
      background:
        radial-gradient(circle at 35% 28%, #fff, rgba(255,255,255,.18) 18%, transparent 20%),
        conic-gradient(from 220deg, var(--cyan), var(--violet), var(--teal), var(--cyan));
      box-shadow: 0 0 28px rgba(56,213,255,.46);
    }

    .brand-icon::after {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: inherit;
      background: rgba(7,17,31,.82);
      border: 1px solid rgba(255,255,255,.16);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-weight: 900;
      letter-spacing: .01em;
      font-size: 17px;
      color: #fff;
    }

    .brand-text span {
      margin-top: 4px;
      font-size: 12px;
      color: var(--muted);
    }

    .nav-links {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .nav-link {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 0 16px;
      border-radius: 16px;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.035);
      transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
      white-space: nowrap;
      font-size: 14px;
      font-weight: 650;
    }

    .nav-link .dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: rgba(170,187,208,.5);
      box-shadow: 0 0 0 rgba(56,213,255,0);
      transition: background .25s ease, box-shadow .25s ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-link.active {
      color: #fff;
      border-color: var(--line-strong);
      background: rgba(56,213,255,.11);
      box-shadow: 0 0 24px rgba(56,213,255,.13);
      outline: none;
      transform: translateY(-1px);
    }

    .nav-link:hover .dot,
    .nav-link:focus-visible .dot,
    .nav-link.active .dot {
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(56,213,255,.75);
    }

    .btn-primary,
    .btn-secondary,
    .btn-mini {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 0;
      cursor: pointer;
      user-select: none;
      font-weight: 800;
      transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, border-color .25s ease, background .25s ease, color .25s ease;
    }

    .btn-primary {
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(100deg, var(--cyan), var(--teal) 42%, var(--violet));
      background-size: 180% 100%;
      box-shadow: 0 18px 42px rgba(34,230,200,.18), 0 0 0 1px rgba(255,255,255,.08) inset;
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow: 0 24px 58px rgba(56,213,255,.26), 0 0 32px rgba(124,92,255,.18);
      outline: none;
    }

    .btn-primary:active,
    .btn-secondary:active,
    .btn-mini:active { transform: scale(.98); }

    .btn-secondary {
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      color: #C9F7FF;
      border: 1px solid rgba(56,213,255,.34);
      background: rgba(255,255,255,.055);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      color: #fff;
      border-color: rgba(56,213,255,.72);
      background: rgba(56,213,255,.12);
      outline: none;
      transform: translateY(-2px);
    }

    .btn-mini {
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      color: #DDFBFF;
      border: 1px solid rgba(56,213,255,.28);
      background: rgba(56,213,255,.075);
      font-size: 13px;
    }

    .btn-mini:hover,
    .btn-mini:focus-visible {
      border-color: rgba(56,213,255,.7);
      background: rgba(56,213,255,.14);
      outline: none;
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      color: #fff;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.07);
      cursor: pointer;
      transition: border-color .2s ease, background .2s ease;
    }

    .mobile-menu-toggle:hover,
    .mobile-menu-toggle:focus-visible {
      outline: none;
      border-color: var(--line-strong);
      background: rgba(56,213,255,.12);
    }

    .section-pad { padding: 76px 0; }
    .section-head {
      max-width: 760px;
      margin-bottom: 28px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      color: #BFF8FF;
      border: 1px solid rgba(56,213,255,.26);
      background: rgba(56,213,255,.08);
      font-size: 13px;
      font-weight: 750;
      letter-spacing: .02em;
    }
    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 14px rgba(107,255,178,.7);
    }
    .section-title {
      margin: 14px 0 10px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: -.04em;
    }
    .section-desc {
      color: var(--muted);
      font-size: 16px;
      max-width: 720px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      color: #CBF9FF;
      border: 1px solid rgba(56,213,255,.22);
      background: rgba(56,213,255,.075);
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
    }

    .mag-hero {
      position: relative;
      padding: 54px 0 36px;
      overflow: hidden;
    }

    .mag-hero::before {
      content: "";
      position: absolute;
      inset: 28px auto auto 50%;
      width: min(1040px, 96vw);
      height: 420px;
      transform: translateX(-50%);
      border-radius: 42px;
      opacity: .22;
      background-image: linear-gradient(120deg, rgba(4,10,19,.82), rgba(7,17,31,.55)), url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      filter: saturate(1.15);
      z-index: -1;
      border: 1px solid rgba(255,255,255,.08);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      border-radius: var(--radius-xl);
      padding: clamp(26px, 4vw, 44px);
      position: relative;
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -120px;
      top: -120px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(56,213,255,.22), transparent 66%);
      pointer-events: none;
    }

    .hero-title {
      margin: 18px 0 16px;
      font-size: clamp(34px, 5.2vw, 62px);
      line-height: 1.08;
      font-weight: 950;
      letter-spacing: -.055em;
    }

    .hero-title span {
      background: linear-gradient(100deg, #fff, #BFF8FF 46%, #BCAEFF);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-lead {
      color: #C8D8E9;
      font-size: 17px;
      max-width: 640px;
    }

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

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

    .meta-card {
      border-radius: 18px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.045);
    }

    .meta-card strong {
      display: block;
      color: #fff;
      font-size: 20px;
      line-height: 1.1;
      font-weight: 900;
    }

    .meta-card span {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.45;
    }

    .hero-visual {
      position: relative;
      min-height: 430px;
      border-radius: var(--radius-xl);
      overflow: hidden;
      padding: 16px;
      background: linear-gradient(135deg, rgba(56,213,255,.09), rgba(124,92,255,.08));
    }

    .hero-visual img {
      width: 100%;
      height: 100%;
      min-height: 398px;
      object-fit: cover;
      border-radius: 24px;
      opacity: .8;
      filter: saturate(1.1) contrast(1.04);
    }

    .hero-visual::after {
      content: "";
      position: absolute;
      inset: 16px;
      border-radius: 24px;
      background:
        linear-gradient(to top, rgba(4,10,19,.84), rgba(4,10,19,.1) 54%, rgba(4,10,19,.44)),
        radial-gradient(circle at 35% 18%, rgba(56,213,255,.18), transparent 32%);
      pointer-events: none;
    }

    .visual-panel {
      position: absolute;
      left: 34px;
      right: 34px;
      bottom: 34px;
      z-index: 2;
      border-radius: 22px;
      padding: 18px;
      background: rgba(5,13,25,.74);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(16px);
      box-shadow: 0 18px 60px rgba(0,0,0,.35);
    }

    .status-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 14px;
    }

    .status-row strong {
      font-weight: 900;
      color: #fff;
    }

    .status-pill {
      color: #05221E;
      background: linear-gradient(90deg, var(--green), var(--teal));
      border-radius: 999px;
      padding: 4px 10px;
      font-size: 12px;
      font-weight: 900;
    }

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

    .signal-item {
      display: grid;
      grid-template-columns: 92px 1fr 44px;
      gap: 10px;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
    }

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

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--violet));
      box-shadow: 0 0 16px rgba(56,213,255,.45);
    }

    .topic-strip {
      margin-top: 34px;
      border-radius: 24px;
      padding: 12px;
      overflow-x: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(56,213,255,.35) transparent;
    }

    .topic-strip-inner {
      display: flex;
      gap: 10px;
      min-width: max-content;
    }

    .topic-chip {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.09);
      font-size: 14px;
      font-weight: 750;
      transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease;
    }

    .topic-chip:hover,
    .topic-chip:focus-visible,
    .topic-chip.is-active {
      color: #fff;
      border-color: rgba(56,213,255,.58);
      background: rgba(56,213,255,.12);
      outline: none;
      transform: translateY(-1px);
    }

    .planning-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 24px;
      align-items: start;
    }

    .feature-main {
      display: grid;
      gap: 18px;
    }

    .priority-card {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 20px;
      align-items: stretch;
      border-radius: var(--radius-xl);
      padding: 18px;
      overflow: hidden;
    }

    .priority-media {
      min-height: 300px;
      border-radius: 24px;
      overflow: hidden;
      position: relative;
      background: linear-gradient(135deg, rgba(56,213,255,.16), rgba(124,92,255,.16));
    }

    .priority-media img {
      width: 100%;
      height: 100%;
      min-height: 300px;
      object-fit: cover;
      opacity: .8;
    }

    .priority-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(4,10,19,.75), rgba(4,10,19,.05));
    }

    .priority-content {
      padding: 12px 8px 12px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .card-title {
      margin: 12px 0 10px;
      font-size: clamp(22px, 3vw, 32px);
      line-height: 1.22;
      font-weight: 900;
      letter-spacing: -.035em;
    }

    .card-desc {
      color: var(--muted);
      font-size: 15px;
    }

    .check-list {
      display: grid;
      gap: 10px;
      margin-top: 18px;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: #D9E9F7;
      font-size: 14px;
    }

    .check-list li::before {
      content: "";
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      margin-top: 4px;
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 50%, #04131A 0 35%, transparent 36%),
        linear-gradient(135deg, var(--teal), var(--cyan));
      box-shadow: 0 0 16px rgba(56,213,255,.3);
    }

    .module-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .module-card,
    .aside-card,
    .process-card,
    .faq-card,
    .cta-panel {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(255,255,255,.085), rgba(255,255,255,.04));
      box-shadow: 0 18px 64px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.08);
      transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
    }

    .module-card:hover,
    .aside-card:hover,
    .process-card:hover,
    .faq-card:hover {
      transform: translateY(-4px);
      border-color: rgba(56,213,255,.48);
      background: linear-gradient(135deg, rgba(56,213,255,.105), rgba(255,255,255,.05));
      box-shadow: var(--glow);
    }

    .module-card {
      padding: 22px;
      min-height: 230px;
      position: relative;
      overflow: hidden;
    }

    .module-card.tall { min-height: 282px; }
    .module-card::after {
      content: "";
      position: absolute;
      right: -48px;
      top: -48px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(56,213,255,.16), transparent 68%);
      pointer-events: none;
    }

    .module-icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, rgba(56,213,255,.24), rgba(124,92,255,.22));
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 0 24px rgba(56,213,255,.18);
    }

    .module-card h3,
    .aside-card h3,
    .process-card h3 {
      margin: 16px 0 8px;
      font-size: 20px;
      line-height: 1.3;
      font-weight: 900;
    }

    .module-card p,
    .aside-card p,
    .process-card p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .aside-stack {
      position: sticky;
      top: 112px;
      display: grid;
      gap: 16px;
    }

    .aside-card { padding: 20px; }

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

    .mini-list {
      list-style: none;
      padding: 0;
      margin: 14px 0 0;
      display: grid;
      gap: 12px;
    }

    .mini-list li {
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
      color: #DDEEFF;
      font-size: 13px;
    }

    .mini-list span {
      display: block;
      margin-bottom: 4px;
      color: var(--cyan);
      font-weight: 900;
      font-size: 12px;
    }

    .insight-number {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-top: 14px;
    }

    .insight-number div {
      border-radius: 16px;
      padding: 12px;
      background: rgba(4,10,19,.34);
      border: 1px solid rgba(255,255,255,.08);
    }

    .insight-number strong {
      display: block;
      color: #fff;
      font-size: 22px;
      line-height: 1.1;
      font-weight: 950;
    }

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

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 20px;
    }

    .scenario-panel {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      min-height: 470px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      background: linear-gradient(135deg, rgba(56,213,255,.12), rgba(124,92,255,.12));
      border: 1px solid var(--line);
    }

    .scenario-panel img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .58;
      z-index: 0;
    }

    .scenario-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(4,10,19,.95), rgba(4,10,19,.45), rgba(4,10,19,.82));
      z-index: 1;
    }

    .scenario-content {
      position: relative;
      z-index: 2;
      max-width: 620px;
    }

    .scenario-content h2 {
      margin: 14px 0 12px;
      font-size: clamp(26px, 4vw, 42px);
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .scenario-content p { color: #C9D8E8; }

    .scenario-side {
      display: grid;
      gap: 16px;
    }

    .scenario-mini {
      border-radius: var(--radius-lg);
      padding: 22px;
      min-height: 145px;
      background: linear-gradient(135deg, rgba(255,255,255,.085), rgba(255,255,255,.035));
      border: 1px solid var(--line);
    }

    .scenario-mini strong {
      display: block;
      color: #fff;
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 7px;
    }

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

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      position: relative;
    }

    .process-card {
      padding: 22px;
      position: relative;
      overflow: hidden;
    }

    .process-num {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #06131D;
      font-weight: 950;
      background: linear-gradient(135deg, var(--cyan), var(--teal));
      box-shadow: 0 0 24px rgba(56,213,255,.25);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: start;
    }

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

    details.faq-card {
      padding: 0;
      overflow: hidden;
    }

    details.faq-card[open] {
      border-color: rgba(56,213,255,.46);
      background: linear-gradient(135deg, rgba(56,213,255,.1), rgba(255,255,255,.045));
    }

    summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: #fff;
      font-weight: 850;
    }

    summary::-webkit-details-marker { display: none; }
    summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--cyan);
      background: rgba(56,213,255,.08);
      border: 1px solid rgba(56,213,255,.22);
      transition: transform .25s ease;
    }

    details[open] summary::after {
      content: "−";
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 14px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: clamp(26px, 4vw, 42px);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 20% 20%, rgba(56,213,255,.18), transparent 34%),
        radial-gradient(circle at 82% 74%, rgba(124,92,255,.2), transparent 38%);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .cta-inner h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 4vw, 44px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: -.04em;
    }

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

    .contact-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: stretch;
    }

    .contact-card {
      border-radius: var(--radius-xl);
      padding: 26px;
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(255,255,255,.085), rgba(255,255,255,.04));
    }

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

    .field {
      display: grid;
      gap: 7px;
    }

    .field.full { grid-column: 1 / -1; }

    .field label {
      color: #DCEEFF;
      font-size: 13px;
      font-weight: 750;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 48px;
      border-radius: 16px;
      border: 1px solid rgba(154,205,255,.2);
      color: #fff;
      background: rgba(4,10,19,.38);
      padding: 0 14px;
      outline: none;
      transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
    }

    .field textarea {
      min-height: 116px;
      resize: vertical;
      padding-top: 12px;
    }

    .field input::placeholder,
    .field textarea::placeholder { color: rgba(170,187,208,.55); }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: rgba(56,213,255,.66);
      box-shadow: 0 0 0 4px rgba(56,213,255,.11);
      background: rgba(7,17,31,.68);
    }

    .site-footer {
      padding: 42px 0 34px;
    }

    .footer-panel {
      border-radius: var(--radius-xl);
      padding: 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .7fr .9fr;
      gap: 28px;
      align-items: start;
    }

    .footer-text {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .footer-title {
      margin: 4px 0 14px;
      color: #fff;
      font-weight: 900;
      font-size: 16px;
    }

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

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

    .footer-link:hover,
    .footer-link:focus-visible {
      color: var(--cyan);
      transform: translateX(2px);
      outline: none;
    }

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

    .footer-bottom {
      margin-top: 26px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.1);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .copyright {
      margin: 0;
      color: var(--muted-2);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .nav-panel {
        flex-wrap: wrap;
      }
      .brand-mark {
        flex: 1;
      }
      .mobile-menu-toggle {
        display: grid;
        place-items: center;
      }
      .nav-cta {
        margin-left: auto;
      }
      .nav-links {
        display: none;
        order: 5;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-top: 8px;
      }
      .nav-links.is-open {
        display: flex;
      }
      .hero-grid,
      .planning-layout,
      .scenario-grid,
      .faq-wrap,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .aside-stack {
        position: static;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
      .priority-card {
        grid-template-columns: 1fr;
      }
      .priority-content {
        padding: 4px;
      }
      .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .cta-inner {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-shell {
        width: min(100% - 28px, 1180px);
      }
      .site-header {
        padding-top: 12px;
      }
      .nav-panel {
        border-radius: 22px;
      }
      .brand-mark {
        min-width: 0;
      }
      .brand-text strong {
        font-size: 15px;
      }
      .brand-text span {
        display: none;
      }
      .nav-cta {
        display: none;
      }
      .nav-links {
        flex-direction: column;
        align-items: stretch;
      }
      .nav-link {
        width: 100%;
        justify-content: flex-start;
      }
      .mag-hero {
        padding-top: 36px;
      }
      .hero-meta,
      .module-grid,
      .aside-stack,
      .process-grid,
      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-visual,
      .hero-visual img {
        min-height: 350px;
      }
      .visual-panel {
        left: 24px;
        right: 24px;
        bottom: 24px;
      }
      .signal-item {
        grid-template-columns: 72px 1fr 36px;
      }
      .section-pad {
        padding: 54px 0;
      }
      .scenario-panel {
        min-height: 390px;
      }
      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .hero-copy {
        padding: 24px;
      }
      .hero-actions .btn-primary,
      .hero-actions .btn-secondary,
      .cta-inner .btn-primary {
        width: 100%;
      }
      .hero-title {
        font-size: 34px;
      }
      .section-title {
        font-size: 28px;
      }
      .priority-card,
      .contact-card,
      .footer-panel {
        padding: 18px;
        border-radius: 24px;
      }
      .module-card,
      .aside-card,
      .process-card {
        padding: 18px;
      }
    }