/* roulang page: index */
:root {
      --bg: #07111f;
      --bg-2: #081827;
      --bg-3: #101b3c;
      --panel: rgba(15, 23, 42, 0.68);
      --panel-soft: rgba(255, 255, 255, 0.06);
      --panel-strong: rgba(8, 24, 39, 0.92);
      --line: rgba(148, 163, 184, 0.18);
      --line-strong: rgba(56, 189, 248, 0.42);
      --text: #f8fafc;
      --muted: #cbd5e1;
      --subtle: #94a3b8;
      --blue: #38bdf8;
      --cyan: #22d3ee;
      --violet: #c084fc;
      --pink: #e879f9;
      --gold: #f5e7c8;
      --green: #34d399;
      --danger-dot: #fb7185;
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
      --shadow-glow: 0 22px 70px rgba(34, 211, 238, 0.18);
      --container: 1200px;
      --nav-h: 76px;
      --ease: 220ms ease;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

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

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 16% 8%, rgba(34, 211, 238, 0.16), transparent 30%),
        radial-gradient(circle at 78% 0%, rgba(192, 132, 252, 0.14), transparent 32%),
        radial-gradient(circle at 50% 52%, rgba(56, 189, 248, 0.06), transparent 35%),
        linear-gradient(145deg, #07111f 0%, #081827 44%, #101b3c 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.32;
      background-image:
        linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent 78%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      width: 760px;
      height: 760px;
      right: -320px;
      top: 120px;
      background: radial-gradient(circle, rgba(224, 231, 255, 0.08), transparent 64%);
      filter: blur(10px);
      pointer-events: none;
      z-index: -1;
    }

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

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    input,
    textarea {
      width: 100%;
      color: var(--text);
      background: rgba(15, 23, 42, 0.78);
      border: 1px solid rgba(148, 163, 184, 0.22);
      border-radius: 16px;
      padding: 14px 15px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    textarea {
      min-height: 108px;
      resize: vertical;
    }

    input::placeholder,
    textarea::placeholder {
      color: rgba(148, 163, 184, 0.78);
    }

    input:focus,
    textarea:focus,
    select:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 2px solid rgba(34, 211, 238, 0.92);
      outline-offset: 3px;
      box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.13);
    }

    .container {
      width: min(100% - 48px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-h);
      background: rgba(7, 17, 31, 0.78);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(148, 163, 184, 0.14);
      transition: box-shadow var(--ease), background var(--ease);
    }

    .site-header.is-scrolled {
      background: rgba(7, 17, 31, 0.91);
      box-shadow: 0 14px 42px rgba(0, 0, 0, 0.32);
    }

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

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

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      position: relative;
      background:
        radial-gradient(circle at 32% 28%, rgba(245, 231, 200, 0.9), transparent 18%),
        conic-gradient(from 210deg, rgba(34, 211, 238, 0.95), rgba(99, 102, 241, 0.95), rgba(192, 132, 252, 0.85), rgba(34, 211, 238, 0.95));
      box-shadow: 0 0 28px rgba(34, 211, 238, 0.22);
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 12px;
      background: rgba(7, 17, 31, 0.86);
      border: 1px solid rgba(255,255,255,0.16);
    }

    .brand-text {
      display: grid;
      line-height: 1.18;
    }

    .brand-title {
      font-size: 16px;
      font-weight: 800;
      letter-spacing: 0.01em;
      white-space: nowrap;
    }

    .brand-sub {
      font-size: 12px;
      color: var(--subtle);
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 7px;
      border: 1px solid rgba(148, 163, 184, 0.13);
      border-radius: 999px;
      background: rgba(15, 23, 42, 0.42);
    }

    .nav-links a {
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      padding: 9px 14px;
      border-radius: 999px;
      transition: color var(--ease), background var(--ease), transform var(--ease);
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(34, 211, 238, 0.12);
      transform: translateY(-1px);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 19px;
      border-radius: 999px;
      font-weight: 800;
      letter-spacing: 0.01em;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
      user-select: none;
      white-space: nowrap;
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, #22d3ee 0%, #6366f1 58%, #c084fc 100%);
      box-shadow: 0 14px 34px rgba(34, 211, 238, 0.22), inset 0 1px 0 rgba(255,255,255,0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 52px rgba(34, 211, 238, 0.31), 0 0 0 1px rgba(255,255,255,0.12) inset;
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(34, 211, 238, 0.32);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .btn-secondary:hover {
      background: rgba(34, 211, 238, 0.12);
      border-color: rgba(34, 211, 238, 0.55);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 15px;
      color: var(--text);
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(148, 163, 184, 0.18);
    }

    .menu-toggle span {
      display: block;
      width: 19px;
      height: 2px;
      margin: 4px auto;
      background: var(--text);
      border-radius: 999px;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-panel {
      display: none;
      position: fixed;
      inset: var(--nav-h) 18px auto 18px;
      z-index: 45;
      border: 1px solid rgba(148, 163, 184, 0.18);
      border-radius: 24px;
      padding: 16px;
      background: rgba(7, 17, 31, 0.94);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .mobile-panel a {
      display: flex;
      padding: 14px 14px;
      border-radius: 16px;
      color: var(--muted);
      font-weight: 750;
      transition: background var(--ease), color var(--ease);
    }

    .mobile-panel a:hover,
    .mobile-panel a.active {
      color: var(--text);
      background: rgba(34, 211, 238, 0.12);
    }

    .mobile-panel .btn {
      margin-top: 10px;
      width: 100%;
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .hero {
      padding: 90px 0 82px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      width: 680px;
      height: 280px;
      left: 50%;
      top: 98px;
      transform: translateX(-50%);
      border-radius: 999px;
      background: radial-gradient(ellipse, rgba(34, 211, 238, 0.13), transparent 68%);
      filter: blur(18px);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
      align-items: center;
      gap: 56px;
      position: relative;
      z-index: 1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--gold);
      font-size: 14px;
      font-weight: 750;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(245, 231, 200, 0.08);
      border: 1px solid rgba(245, 231, 200, 0.18);
      margin-bottom: 22px;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--green);
      box-shadow: 0 0 0 7px rgba(52, 211, 153, 0.13);
    }

    h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: -0.04em;
      font-weight: 850;
      max-width: 820px;
    }

    .gradient-text {
      background: linear-gradient(135deg, #f8fafc 0%, #a5f3fc 48%, #f5e7c8 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-lead {
      margin-top: 22px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
      max-width: 700px;
    }

    .hero-note {
      margin-top: 16px;
      color: var(--subtle);
      font-size: 14px;
      max-width: 680px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 32px;
    }

    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
    }

    .badge.green {
      color: #bbf7d0;
      border-color: rgba(52, 211, 153, 0.28);
      background: rgba(52, 211, 153, 0.08);
    }

    .badge.blue {
      color: #bae6fd;
      border-color: rgba(56, 189, 248, 0.28);
      background: rgba(56, 189, 248, 0.08);
    }

    .badge.violet {
      color: #e9d5ff;
      border-color: rgba(192, 132, 252, 0.28);
      background: rgba(192, 132, 252, 0.08);
    }

    .hero-dashboard {
      border: 1px solid rgba(148, 163, 184, 0.18);
      border-radius: 32px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035)),
        rgba(15, 23, 42, 0.65);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .hero-dashboard::before {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -90px;
      top: -80px;
      background: radial-gradient(circle, rgba(34, 211, 238, 0.22), transparent 65%);
      pointer-events: none;
    }

    .dashboard-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
      position: relative;
      z-index: 1;
    }

    .dashboard-title {
      font-size: 20px;
      font-weight: 820;
    }

    .dashboard-sub {
      margin-top: 4px;
      color: var(--subtle);
      font-size: 13px;
    }

    .status-pill {
      color: #bbf7d0;
      background: rgba(52, 211, 153, 0.1);
      border: 1px solid rgba(52, 211, 153, 0.26);
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 760;
      white-space: nowrap;
    }

    .process-list {
      display: grid;
      gap: 12px;
      margin-top: 24px;
      position: relative;
      z-index: 1;
    }

    .process-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 20px;
      background: rgba(7, 17, 31, 0.45);
      border: 1px solid rgba(148, 163, 184, 0.15);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .process-item:hover {
      transform: translateX(4px);
      border-color: rgba(34, 211, 238, 0.34);
      background: rgba(34, 211, 238, 0.07);
    }

    .step-no {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: var(--text);
      font-weight: 850;
      background: linear-gradient(135deg, rgba(34, 211, 238, 0.24), rgba(99, 102, 241, 0.24));
      border: 1px solid rgba(34, 211, 238, 0.28);
    }

    .process-item strong {
      display: block;
      font-size: 15px;
    }

    .process-item span {
      display: block;
      color: var(--subtle);
      font-size: 13px;
      margin-top: 2px;
    }

    .dashboard-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 18px;
      position: relative;
      z-index: 1;
    }

    .metric {
      padding: 15px 12px;
      border-radius: 18px;
      border: 1px solid rgba(148, 163, 184, 0.14);
      background: rgba(255,255,255,0.045);
    }

    .metric b {
      display: block;
      font-size: 18px;
      color: var(--gold);
      line-height: 1.2;
    }

    .metric span {
      display: block;
      color: var(--subtle);
      font-size: 12px;
      margin-top: 6px;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--cyan);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }

    h2 {
      font-size: clamp(28px, 3.3vw, 40px);
      line-height: 1.22;
      letter-spacing: -0.03em;
      font-weight: 830;
    }

    .section-desc {
      color: var(--subtle);
      max-width: 560px;
      font-size: 16px;
    }

    .glass-card {
      border: 1px solid rgba(148, 163, 184, 0.18);
      background: var(--panel);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
      overflow: hidden;
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(34, 211, 238, 0.36);
      box-shadow: var(--shadow-glow);
    }

    .value-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.25fr);
      gap: 22px;
      align-items: stretch;
    }

    .value-feature {
      padding: 32px;
      min-height: 100%;
      position: relative;
    }

    .value-feature::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -90px;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(192, 132, 252, 0.18), transparent 62%);
    }

    .value-feature h3,
    .mini-card h3,
    .service-card h3,
    .scenario-card h3,
    .testimonial h3,
    .plan-card h3 {
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
    }

    .value-feature p {
      margin-top: 14px;
      color: var(--muted);
      position: relative;
      z-index: 1;
    }

    .secure-list {
      display: grid;
      gap: 12px;
      margin-top: 26px;
      position: relative;
      z-index: 1;
    }

    .secure-list li {
      list-style: none;
      display: flex;
      gap: 11px;
      align-items: flex-start;
      color: var(--muted);
      padding: 12px 0;
      border-top: 1px solid rgba(148, 163, 184, 0.13);
    }

    .check {
      flex: 0 0 auto;
      width: 23px;
      height: 23px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: #052e1d;
      background: var(--green);
      font-size: 13px;
      font-weight: 900;
    }

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

    .mini-card {
      padding: 24px;
      border-radius: 24px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .mini-card:hover {
      transform: translateY(-4px);
      border-color: rgba(34, 211, 238, 0.34);
      background: rgba(34, 211, 238, 0.07);
    }

    .icon {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 17px;
      margin-bottom: 18px;
      color: var(--cyan);
      background: rgba(34, 211, 238, 0.1);
      border: 1px solid rgba(34, 211, 238, 0.22);
      font-size: 22px;
    }

    .mini-card p,
    .service-card p,
    .scenario-card p,
    .testimonial p,
    .plan-card p,
    .article-card p {
      margin-top: 10px;
      color: var(--subtle);
      font-size: 15px;
    }

    .bento {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr 1fr;
      grid-auto-rows: minmax(190px, auto);
      gap: 18px;
    }

    .service-card {
      padding: 25px;
      border-radius: 26px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      min-height: 190px;
      position: relative;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .service-card:hover {
      transform: translateY(-5px);
      border-color: rgba(34, 211, 238, 0.38);
      background: rgba(34, 211, 238, 0.07);
      box-shadow: 0 18px 50px rgba(34, 211, 238, 0.13);
    }

    .service-card.large {
      grid-row: span 2;
      background:
        radial-gradient(circle at 85% 20%, rgba(192, 132, 252, 0.16), transparent 34%),
        rgba(255,255,255,0.06);
    }

    .service-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-top: 18px;
      color: var(--cyan);
      font-size: 14px;
      font-weight: 800;
    }

    .service-link:hover {
      text-decoration: underline;
      text-underline-offset: 5px;
    }

    .scenario-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
      gap: 24px;
      align-items: start;
    }

    .scenario-intro {
      padding: 30px;
      position: sticky;
      top: calc(var(--nav-h) + 24px);
    }

    .scenario-intro p {
      margin-top: 14px;
      color: var(--muted);
    }

    .timeline {
      display: grid;
      gap: 16px;
      position: relative;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 25px;
      top: 18px;
      bottom: 18px;
      width: 1px;
      background: linear-gradient(to bottom, rgba(34,211,238,0.7), rgba(192,132,252,0.08));
    }

    .scenario-card {
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 16px;
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
      position: relative;
    }

    .scenario-card:hover {
      transform: translateX(5px);
      border-color: rgba(34, 211, 238, 0.34);
      background: rgba(34, 211, 238, 0.065);
    }

    .timeline-dot {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: rgba(7, 17, 31, 0.92);
      border: 1px solid rgba(34, 211, 238, 0.32);
      color: var(--gold);
      font-weight: 850;
      position: relative;
      z-index: 1;
    }

    .trust-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .trust-panel {
      padding: 30px;
    }

    .trust-number {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .number-card {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.15);
    }

    .number-card b {
      display: block;
      color: var(--cyan);
      font-size: 28px;
      line-height: 1.1;
    }

    .number-card span {
      display: block;
      color: var(--subtle);
      font-size: 13px;
      margin-top: 8px;
    }

    .testimonials {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .testimonial {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      transition: transform var(--ease), border-color var(--ease);
    }

    .testimonial:hover {
      transform: translateY(-4px);
      border-color: rgba(245, 231, 200, 0.32);
    }

    .stars {
      color: var(--gold);
      letter-spacing: 2px;
      font-size: 13px;
      margin-bottom: 12px;
    }

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

    .plan-card {
      padding: 26px;
      border-radius: 28px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      position: relative;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .plan-card:hover {
      transform: translateY(-5px);
      border-color: rgba(34, 211, 238, 0.35);
      background: rgba(34, 211, 238, 0.06);
    }

    .plan-card.featured {
      border-color: rgba(34, 211, 238, 0.52);
      box-shadow: 0 0 0 1px rgba(34,211,238,0.18) inset, 0 24px 70px rgba(34, 211, 238, 0.16);
    }

    .plan-tag {
      position: absolute;
      right: 22px;
      top: 22px;
      padding: 6px 10px;
      border-radius: 999px;
      color: #ecfeff;
      background: rgba(34, 211, 238, 0.14);
      border: 1px solid rgba(34, 211, 238, 0.26);
      font-size: 12px;
      font-weight: 820;
    }

    .price {
      margin-top: 18px;
      color: var(--gold);
      font-size: 26px;
      font-weight: 850;
      letter-spacing: -0.02em;
    }

    .plan-list {
      display: grid;
      gap: 11px;
      margin: 22px 0;
    }

    .plan-list li {
      list-style: none;
      color: var(--muted);
      display: flex;
      gap: 9px;
      align-items: flex-start;
      font-size: 14px;
    }

    .content-area {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(330px, 0.55fr);
      gap: 22px;
      align-items: start;
    }

    .article-list {
      display: grid;
      gap: 16px;
    }

    .article-card {
      display: block;
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .article-card:hover {
      transform: translateY(-4px);
      border-color: rgba(34, 211, 238, 0.38);
      background: rgba(34, 211, 238, 0.065);
      box-shadow: 0 18px 50px rgba(34, 211, 238, 0.13);
    }

    .article-card.featured {
      min-height: 100%;
      padding: 30px;
      background:
        radial-gradient(circle at 85% 15%, rgba(34, 211, 238, 0.14), transparent 34%),
        rgba(255,255,255,0.06);
    }

    .article-card h3 {
      font-size: 21px;
      line-height: 1.42;
      transition: color var(--ease);
    }

    .article-card:hover h3 {
      color: var(--cyan);
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      align-items: center;
      margin-bottom: 14px;
    }

    .article-time,
    .article-cat {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 5px 9px;
      font-size: 12px;
      font-weight: 760;
      color: var(--subtle);
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.14);
    }

    .article-cat {
      color: #bae6fd;
      border-color: rgba(56,189,248,0.24);
      background: rgba(56,189,248,0.08);
    }

    .read-link {
      display: inline-flex;
      margin-top: 18px;
      color: var(--cyan);
      font-size: 14px;
      font-weight: 820;
    }

    .empty-state {
      grid-column: 1 / -1;
      padding: 34px;
      text-align: center;
      border-radius: 26px;
      background: rgba(255,255,255,0.055);
      border: 1px dashed rgba(148, 163, 184, 0.28);
    }

    .empty-icon {
      width: 54px;
      height: 54px;
      margin: 0 auto 14px;
      display: grid;
      place-items: center;
      border-radius: 20px;
      color: var(--cyan);
      background: rgba(34,211,238,0.1);
      border: 1px solid rgba(34,211,238,0.25);
      font-size: 24px;
    }

    .empty-state p {
      color: var(--subtle);
      margin-top: 6px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 0.75fr 1.25fr;
      gap: 24px;
      align-items: start;
    }

    .faq-side {
      padding: 30px;
      position: sticky;
      top: calc(var(--nav-h) + 24px);
    }

    .faq-side p {
      margin-top: 14px;
      color: var(--muted);
    }

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

    .faq-item {
      border-radius: 22px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.16);
      overflow: hidden;
      transition: border-color var(--ease), background var(--ease);
    }

    .faq-item.active {
      border-color: rgba(34, 211, 238, 0.38);
      background: rgba(34, 211, 238, 0.06);
    }

    .faq-question {
      width: 100%;
      min-height: 66px;
      padding: 18px 20px;
      color: var(--text);
      background: transparent;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      font-weight: 820;
    }

    .faq-question .plus {
      flex: 0 0 auto;
      width: 30px;
      height: 30px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: rgba(34, 211, 238, 0.1);
      border: 1px solid rgba(34, 211, 238, 0.2);
      transition: transform var(--ease);
    }

    .faq-item.active .plus {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: var(--subtle);
    }

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

    .consult-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
      gap: 24px;
      align-items: stretch;
    }

    .cta-banner {
      padding: 36px;
      border-radius: 32px;
      background:
        radial-gradient(circle at 15% 20%, rgba(34,211,238,0.18), transparent 38%),
        radial-gradient(circle at 88% 78%, rgba(192,132,252,0.16), transparent 34%),
        rgba(255,255,255,0.06);
      border: 1px solid rgba(148, 163, 184, 0.18);
      box-shadow: var(--shadow);
    }

    .cta-banner p {
      margin-top: 14px;
      color: var(--muted);
      max-width: 690px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 26px;
    }

    .contact-form {
      padding: 26px;
      border-radius: 28px;
      background: rgba(15, 23, 42, 0.68);
      border: 1px solid rgba(148, 163, 184, 0.18);
      box-shadow: var(--shadow);
    }

    .form-title {
      font-size: 20px;
      font-weight: 850;
      margin-bottom: 16px;
    }

    .form-grid {
      display: grid;
      gap: 13px;
    }

    .form-help {
      margin-top: 12px;
      color: var(--subtle);
      font-size: 13px;
    }

    .site-footer {
      padding: 54px 0 30px;
      border-top: 1px solid rgba(148, 163, 184, 0.14);
      background: rgba(3, 9, 18, 0.38);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 1fr;
      gap: 32px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .footer-desc {
      max-width: 520px;
      color: var(--subtle);
      font-size: 14px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 850;
      margin-bottom: 13px;
      color: var(--text);
    }

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

    .footer-links a {
      color: var(--subtle);
      font-size: 14px;
      transition: color var(--ease), transform var(--ease);
    }

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

    .compliance {
      color: var(--subtle);
      font-size: 14px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,0.045);
      border: 1px solid rgba(148, 163, 184, 0.13);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(148, 163, 184, 0.12);
      color: rgba(148, 163, 184, 0.86);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    @media (max-width: 1080px) {
      .nav-links {
        display: none;
      }

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

      .nav-actions .desktop-cta {
        display: none;
      }

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

      .hero-grid,
      .value-grid,
      .scenario-wrap,
      .trust-grid,
      .content-area,
      .faq-grid,
      .consult-grid {
        grid-template-columns: 1fr;
      }

      .scenario-intro,
      .faq-side {
        position: static;
      }

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

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

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

    @media (max-width: 768px) {
      :root {
        --nav-h: 70px;
      }

      .container {
        width: min(100% - 36px, var(--container));
      }

      .brand-title {
        font-size: 14px;
      }

      .brand-sub {
        display: none;
      }

      .hero {
        padding: 62px 0 54px;
      }

      .section {
        padding: 66px 0;
      }

      .hero-grid {
        gap: 30px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .hero-dashboard,
      .glass-card,
      .cta-banner {
        border-radius: 24px;
      }

      .dashboard-metrics,
      .mini-grid,
      .testimonials,
      .bento,
      .trust-number {
        grid-template-columns: 1fr;
      }

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

      .section-head {
        display: grid;
        gap: 14px;
      }

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

      .copyright {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

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

      .eyebrow {
        font-size: 12px;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 28px;
      }

      .value-feature,
      .cta-banner,
      .contact-form,
      .faq-side,
      .scenario-intro {
        padding: 22px;
      }

      .process-item,
      .scenario-card {
        grid-template-columns: 1fr;
      }

      .timeline::before {
        display: none;
      }

      .article-card.featured {
        padding: 24px;
      }
    }

/* roulang page: article */
:root{
      --bg:#07111f;
      --bg-2:#081827;
      --panel:#0f172a;
      --panel-soft:rgba(15,23,42,.62);
      --panel-glass:rgba(255,255,255,.06);
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(34,211,238,.42);
      --text:#f8fafc;
      --muted:#cbd5e1;
      --sub:#94a3b8;
      --cyan:#22d3ee;
      --blue:#38bdf8;
      --violet:#8b5cf6;
      --purple:#c084fc;
      --rose:#e879f9;
      --green:#34d399;
      --champagne:#f5e7c8;
      --danger:#fb7185;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --glow:0 0 34px rgba(34,211,238,.22);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 6%,rgba(34,211,238,.18),transparent 34%),
        radial-gradient(circle at 86% 10%,rgba(192,132,252,.16),transparent 30%),
        radial-gradient(circle at 72% 72%,rgba(52,211,153,.08),transparent 28%),
        linear-gradient(135deg,#07111f 0%,#081827 42%,#17152a 100%);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background-image:
        linear-gradient(rgba(148,163,184,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(148,163,184,.055) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 84%);
      pointer-events:none;
    }
    body::after{
      content:"";
      position:fixed;
      width:520px;
      height:520px;
      right:-240px;
      top:240px;
      z-index:-1;
      background:radial-gradient(circle,rgba(34,211,238,.14),transparent 68%);
      filter:blur(10px);
      pointer-events:none;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(34,211,238,.28);color:#fff}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:10px}

    .container{
      width:min(100% - 48px,var(--container));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,17,31,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      transition:box-shadow .25s ease,background .25s ease;
    }
    .site-header.scrolled{
      background:rgba(7,17,31,.9);
      box-shadow:0 14px 44px rgba(0,0,0,.34);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:76px;
      gap:22px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      flex:0 0 auto;
      border-radius:16px;
      position:relative;
      background:
        radial-gradient(circle at 34% 28%,rgba(245,231,200,.95),transparent 16%),
        radial-gradient(circle at 66% 72%,rgba(34,211,238,.9),transparent 18%),
        linear-gradient(135deg,rgba(34,211,238,.2),rgba(139,92,246,.34));
      border:1px solid rgba(148,163,184,.28);
      box-shadow:0 0 28px rgba(34,211,238,.18),inset 0 0 22px rgba(255,255,255,.08);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(255,255,255,.42);
      border-radius:50%;
      border-right-color:rgba(34,211,238,.85);
      transform:rotate(-22deg);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:8px;
      height:8px;
      right:9px;
      top:10px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 14px rgba(52,211,153,.9);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
    .brand-title{
      font-weight:800;
      letter-spacing:.02em;
      font-size:16px;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-sub{
      color:var(--sub);
      font-size:12px;
      margin-top:4px;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(148,163,184,.12);
      background:rgba(15,23,42,.38);
      border-radius:999px;
    }
    .nav-links a{
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      padding:9px 14px;
      border-radius:999px;
      transition:background .2s ease,color .2s ease,box-shadow .2s ease;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:#fff;
      background:rgba(34,211,238,.12);
      box-shadow:inset 0 0 0 1px rgba(34,211,238,.18);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      color:#fff;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary{
      background:linear-gradient(135deg,#22d3ee 0%,#6366f1 55%,#8b5cf6 100%);
      box-shadow:0 16px 38px rgba(34,211,238,.2),0 0 0 1px rgba(255,255,255,.12) inset;
    }
    .btn-primary:hover{box-shadow:0 18px 52px rgba(34,211,238,.34),0 0 0 1px rgba(255,255,255,.18) inset}
    .btn-secondary{
      background:rgba(15,23,42,.62);
      border:1px solid rgba(34,211,238,.34);
      color:#e0faff;
    }
    .btn-secondary:hover{background:rgba(34,211,238,.12);box-shadow:var(--glow)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border:1px solid var(--line);
      background:rgba(15,23,42,.66);
      border-radius:15px;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .menu-toggle span{
      width:19px;
      height:2px;
      border-radius:999px;
      background:#e2e8f0;
      transition:transform .2s ease,opacity .2s ease;
    }
    .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.open span:nth-child(2){opacity:0}
    .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .mobile-panel{
      display:none;
      width:min(100% - 36px,var(--container));
      margin:0 auto 16px;
      padding:14px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(7,17,31,.96);
      box-shadow:var(--shadow);
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:13px 14px;
      border-radius:14px;
      color:var(--muted);
      font-weight:700;
    }
    .mobile-panel a:hover,.mobile-panel a.active{background:rgba(34,211,238,.1);color:#fff}
    .mobile-panel .btn{margin-top:8px;color:#fff}

    .article-hero{
      padding:54px 0 34px;
      position:relative;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 0%,rgba(34,211,238,.14),transparent 35%),
        radial-gradient(circle at 78% 18%,rgba(232,121,249,.12),transparent 30%);
      pointer-events:none;
    }
    .breadcrumb{
      position:relative;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      width:max-content;
      max-width:100%;
      margin-bottom:26px;
      padding:8px 12px;
      border:1px solid rgba(148,163,184,.17);
      border-radius:999px;
      background:rgba(15,23,42,.48);
      backdrop-filter:blur(12px);
      color:var(--sub);
      font-size:13px;
    }
    .breadcrumb a{color:#dbeafe;transition:color .2s ease}
    .breadcrumb a:hover{color:var(--cyan)}
    .breadcrumb .sep{color:rgba(148,163,184,.58)}
    .article-head{
      position:relative;
      max-width:880px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:16px;
      color:#dffaff;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(34,211,238,.28);
      background:rgba(34,211,238,.08);
      font-size:13px;
      font-weight:750;
    }
    .kicker::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 15px rgba(52,211,153,.9);
    }
    h1{
      margin:0;
      font-size:clamp(30px,4.2vw,46px);
      line-height:1.16;
      letter-spacing:-.03em;
      font-weight:850;
      color:#fff;
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
      color:var(--sub);
      font-size:14px;
    }
    .meta-badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(148,163,184,.16);
      color:#dbeafe;
      font-size:13px;
      font-weight:700;
    }
    .tag.green{color:#bbf7d0;border-color:rgba(52,211,153,.24);background:rgba(52,211,153,.08)}
    .article-summary{
      margin-top:24px;
      padding:20px 22px;
      border-radius:22px;
      border:1px solid rgba(34,211,238,.2);
      background:linear-gradient(135deg,rgba(34,211,238,.08),rgba(139,92,246,.07));
      color:#dbeafe;
      font-size:16px;
      box-shadow:0 18px 54px rgba(0,0,0,.18);
    }

    .main-wrap{
      padding:36px 0 96px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 310px;
      gap:34px;
      align-items:start;
    }
    .glass-card{
      background:var(--panel-soft);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow);
    }
    .article-card{
      padding:34px;
      position:relative;
      overflow:hidden;
    }
    .article-card::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      right:0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(34,211,238,.62),rgba(192,132,252,.38),transparent);
    }
    .article-content{
      color:var(--muted);
      font-size:17px;
      line-height:1.88;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content p{margin:0 0 20px}
    .article-content h2{
      margin:50px 0 16px;
      font-size:30px;
      line-height:1.28;
      color:#fff;
      letter-spacing:-.02em;
    }
    .article-content h3{
      margin:36px 0 14px;
      font-size:23px;
      line-height:1.34;
      color:#f8fafc;
    }
    .article-content h4{
      margin:28px 0 10px;
      font-size:19px;
      color:#e0f2fe;
    }
    .article-content a{
      color:var(--cyan);
      border-bottom:1px solid rgba(34,211,238,.35);
      transition:color .2s ease,border-color .2s ease,text-shadow .2s ease;
    }
    .article-content a:hover{
      color:#a5f3fc;
      border-color:#a5f3fc;
      text-shadow:0 0 18px rgba(34,211,238,.28);
    }
    .article-content ul,.article-content ol{margin:0 0 22px;padding-left:1.4em}
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:28px 0;
      padding:20px 22px;
      border-left:4px solid var(--cyan);
      border-radius:18px;
      background:rgba(34,211,238,.08);
      color:#e0f2fe;
      box-shadow:inset 0 0 0 1px rgba(34,211,238,.12);
    }
    .article-content img{
      width:100%;
      margin:28px 0 10px;
      border-radius:18px;
      border:1px solid rgba(148,163,184,.18);
      box-shadow:0 18px 48px rgba(0,0,0,.28);
    }
    .article-content figure{margin:30px 0}
    .article-content figcaption{
      text-align:center;
      color:var(--sub);
      font-size:13px;
      margin-top:10px;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:26px 0;
      overflow:hidden;
      border-radius:16px;
      background:rgba(15,23,42,.72);
      display:block;
      overflow-x:auto;
    }
    .article-content th,.article-content td{
      min-width:130px;
      padding:13px 14px;
      border:1px solid rgba(148,163,184,.16);
      text-align:left;
    }
    .article-content th{color:#fff;background:rgba(34,211,238,.08)}
    .not-found{
      text-align:center;
      padding:58px 18px;
    }
    .not-found-icon{
      width:62px;
      height:62px;
      margin:0 auto 18px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(139,92,246,.18));
      border:1px solid rgba(34,211,238,.25);
      display:grid;
      place-items:center;
      color:var(--cyan);
      font-size:30px;
    }
    .not-found h2{margin:0 0 10px;color:#fff;font-size:28px}
    .not-found p{margin:0 auto 22px;max-width:520px;color:var(--sub)}

    .side-stack{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:22px;
      border-radius:24px;
      background:rgba(15,23,42,.62);
      border:1px solid var(--line);
      box-shadow:0 18px 50px rgba(0,0,0,.24);
      backdrop-filter:blur(16px);
    }
    .side-title{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 0 14px;
      color:#fff;
      font-size:17px;
      font-weight:800;
    }
    .side-title::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(34,211,238,.9);
    }
    .side-links{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 13px;
      border-radius:14px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(148,163,184,.12);
      color:var(--muted);
      font-weight:700;
      transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
    }
    .side-links a:hover{
      transform:translateY(-2px);
      border-color:rgba(34,211,238,.34);
      background:rgba(34,211,238,.08);
      color:#fff;
    }
    .privacy-list{
      display:grid;
      gap:10px;
      margin:14px 0 0;
      padding:0;
      list-style:none;
      color:var(--muted);
      font-size:14px;
    }
    .privacy-list li{
      display:flex;
      gap:9px;
      align-items:flex-start;
    }
    .privacy-list li::before{
      content:"";
      width:7px;
      height:7px;
      flex:0 0 auto;
      margin-top:10px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 12px rgba(52,211,153,.8);
    }
    .consult-mini{
      background:
        radial-gradient(circle at 0% 0%,rgba(34,211,238,.16),transparent 38%),
        radial-gradient(circle at 100% 10%,rgba(192,132,252,.15),transparent 34%),
        rgba(15,23,42,.7);
    }
    .consult-mini p{margin:0 0 16px;color:var(--sub);font-size:14px}

    .related-section{
      margin-top:34px;
      padding:28px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:20px;
    }
    .section-head h2{
      margin:0;
      font-size:28px;
      line-height:1.25;
      color:#fff;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:6px 0 0;
      color:var(--sub);
      font-size:15px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .related-card{
      min-height:190px;
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(148,163,184,.16);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.36);
      background:rgba(34,211,238,.075);
      box-shadow:0 18px 44px rgba(34,211,238,.1);
    }
    .related-card h3{
      margin:12px 0 10px;
      font-size:18px;
      line-height:1.35;
      color:#fff;
    }
    .related-card p{
      margin:0;
      color:var(--sub);
      font-size:14px;
      line-height:1.65;
    }
    .related-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:18px;
      color:#9ddff0;
      font-size:13px;
      font-weight:750;
    }

    .bottom-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:24px;
      padding:22px;
      border-radius:24px;
      background:linear-gradient(135deg,rgba(34,211,238,.1),rgba(139,92,246,.1));
      border:1px solid rgba(34,211,238,.2);
    }
    .bottom-actions strong{display:block;color:#fff;font-size:18px}
    .bottom-actions span{display:block;color:var(--sub);font-size:14px;margin-top:4px}

    .faq-strip{
      margin-top:34px;
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      background:rgba(15,23,42,.54);
      border-radius:18px;
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      border:0;
      text-align:left;
      font-weight:800;
    }
    .faq-q span:last-child{
      color:var(--cyan);
      font-size:22px;
      transition:transform .2s ease;
    }
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
    }
    .faq-a p{
      margin:0;
      padding:0 20px 18px;
      color:var(--sub);
      font-size:15px;
    }
    .faq-item.open{
      border-color:rgba(34,211,238,.34);
      box-shadow:0 0 28px rgba(34,211,238,.08);
    }
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-item.open .faq-a{max-height:180px}

    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(5,10,19,.72);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-desc{
      max-width:470px;
      margin:18px 0 0;
      color:var(--sub);
      font-size:14px;
      line-height:1.75;
    }
    .footer-title{
      margin-bottom:14px;
      color:#fff;
      font-weight:850;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--sub);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
    .compliance{
      color:var(--sub);
      font-size:14px;
      line-height:1.75;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(148,163,184,.14);
      background:rgba(255,255,255,.045);
    }
    .copyright{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.14);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#7890aa;
      font-size:13px;
    }

    @media (max-width:1060px){
      .nav-links{display:none}
      .desktop-cta{display:none}
      .menu-toggle{display:flex}
      .mobile-panel.show{display:grid}
      .article-layout{grid-template-columns:1fr}
      .side-stack{
        position:static;
        grid-template-columns:repeat(2,1fr);
      }
      .consult-mini{grid-column:1/-1}
      .related-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1/-1}
    }

    @media (max-width:768px){
      .container{width:min(100% - 36px,var(--container))}
      .nav{min-height:70px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-title{font-size:15px}
      .brand-sub{font-size:11px}
      .article-hero{padding:38px 0 22px}
      .article-summary{padding:17px}
      .main-wrap{padding:24px 0 72px}
      .article-card{padding:24px 20px;border-radius:22px}
      .article-content{font-size:16px;line-height:1.86}
      .article-content h2{font-size:25px;margin-top:40px}
      .article-content h3{font-size:21px}
      .side-stack{grid-template-columns:1fr}
      .related-section{padding:22px 18px;border-radius:22px}
      .related-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .bottom-actions{display:grid}
      .bottom-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column;align-items:flex-start}
    }

    @media (max-width:520px){
      .container{width:min(100% - 32px,var(--container))}
      .brand-sub{display:none}
      .breadcrumb{border-radius:18px;width:100%;font-size:12px}
      .article-meta{font-size:13px}
      .meta-badge,.tag{font-size:12px}
      .btn{width:100%;padding-inline:16px}
      .side-card{padding:18px;border-radius:20px}
      .faq-q{padding:16px}
      .footer-brand .brand-sub{display:block}
    }