/* roulang page: index */
:root {
      --color-primary: #6D42FF;
      --color-primary-2: #8C5CFF;
      --color-accent: #22D3A6;
      --color-warm: #FFB454;
      --color-ink: #151329;
      --color-ink-2: #1A1830;
      --color-muted: #66647A;
      --color-soft: #737084;
      --color-bg: #F7F5FC;
      --color-bg-2: #FBFAFF;
      --color-bg-3: #F1EEFA;
      --color-border: rgba(109, 66, 255, .14);
      --color-border-2: #E6E0F3;
      --color-dark: #171428;
      --color-dark-2: #201B35;
      --gradient-main: linear-gradient(135deg, #6D42FF 0%, #8C5CFF 48%, #22D3A6 100%);
      --gradient-soft: radial-gradient(circle at 20% 10%, rgba(109,66,255,.16), transparent 36%), radial-gradient(circle at 82% 20%, rgba(34,211,166,.14), transparent 30%);
      --shadow-card: 0 18px 50px rgba(39, 32, 77, .10);
      --shadow-hover: 0 24px 60px rgba(39, 32, 77, .16);
      --radius-xl: 34px;
      --radius-lg: 26px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --transition: all .25s ease;
      --container: 1220px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--color-ink);
      line-height: 1.75;
      background:
        var(--gradient-soft),
        linear-gradient(180deg, #FBFAFF 0%, #F7F5FC 42%, #FBFAFF 100%);
      overflow-x: hidden;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

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

    button {
      cursor: pointer;
    }

    .grid-container {
      max-width: var(--container);
      padding-left: 22px;
      padding-right: 22px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(230, 224, 243, .72);
      background: rgba(251, 250, 255, .86);
      backdrop-filter: blur(16px);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--color-ink);
      white-space: nowrap;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background: var(--gradient-main);
      position: relative;
      box-shadow: 0 16px 36px rgba(109,66,255,.28);
      overflow: hidden;
      flex: 0 0 auto;
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 8px;
      top: 20px;
      width: 26px;
      height: 2px;
      background: #fff;
      box-shadow: 0 0 12px rgba(255,255,255,.7);
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      left: 12px;
      top: 12px;
      width: 18px;
      height: 18px;
      border: 2px solid rgba(255,255,255,.86);
      border-radius: 50%;
      transform: rotate(-24deg);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.18;
    }

    .brand-text strong {
      font-size: 17px;
    }

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

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--color-muted);
      font-size: 15px;
      font-weight: 600;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 4px;
      height: 2px;
      border-radius: 999px;
      background: var(--gradient-main);
      transform: scaleX(0);
      transform-origin: center;
      transition: var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-primary);
      background: rgba(109,66,255,.07);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      transform: scaleX(1);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 18px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--color-border);
      color: var(--color-primary);
      font-size: 15px;
      font-weight: 800;
      box-shadow: 0 12px 26px rgba(39,32,77,.07);
      white-space: nowrap;
    }

    .header-cta:hover {
      transform: translateY(-2px);
      border-color: rgba(109,66,255,.32);
      box-shadow: 0 18px 38px rgba(39,32,77,.12);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      background: #fff;
      color: var(--color-primary);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: var(--transition);
    }

    .mobile-nav {
      display: none;
      padding: 0 0 18px;
    }

    .mobile-nav-panel {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 14px;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 22px;
      box-shadow: var(--shadow-card);
    }

    .mobile-nav .nav-link,
    .mobile-nav .header-cta {
      width: 100%;
      justify-content: flex-start;
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 50px;
      padding: 14px 24px;
      border-radius: 999px;
      border: 0;
      font-size: 16px;
      font-weight: 800;
      line-height: 1.2;
      transition: var(--transition);
    }

    .btn-primary {
      color: #fff;
      background: var(--gradient-main);
      box-shadow: 0 18px 36px rgba(109,66,255,.24);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 24px 48px rgba(109,66,255,.30);
      filter: saturate(1.04);
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(109,66,255,.18);
      box-shadow: 0 12px 26px rgba(39,32,77,.06);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--color-primary);
      transform: translateY(-2px);
      background: rgba(109,66,255,.08);
      border-color: rgba(109,66,255,.30);
    }

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

    .text-link span {
      transition: var(--transition);
    }

    .text-link:hover {
      color: #4f28df;
    }

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

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

    .section-tight {
      padding: 74px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(109,66,255,.08);
      color: var(--color-primary);
      border: 1px solid rgba(109,66,255,.12);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .section-kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(34,211,166,.14);
    }

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

    h1 {
      font-size: clamp(38px, 5vw, 58px);
      line-height: 1.1;
      letter-spacing: -.045em;
      font-weight: 850;
      color: var(--color-ink);
      margin-bottom: 22px;
    }

    h2 {
      font-size: clamp(28px, 3.4vw, 42px);
      line-height: 1.2;
      letter-spacing: -.035em;
      font-weight: 820;
      color: var(--color-ink);
      margin-bottom: 14px;
    }

    h3 {
      font-size: 22px;
      line-height: 1.35;
      font-weight: 800;
      color: var(--color-ink-2);
      margin-bottom: 10px;
    }

    .lead {
      font-size: 18px;
      color: var(--color-muted);
      line-height: 1.85;
      margin-bottom: 28px;
    }

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

    .hero {
      padding: 78px 0 84px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(109,66,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(109,66,255,.055) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 74%);
      pointer-events: none;
    }

    .hero-copy,
    .hero-visual {
      position: relative;
      z-index: 2;
    }

    .hero-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid var(--color-border);
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 800;
      box-shadow: 0 14px 32px rgba(39,32,77,.06);
    }

    .hero-brand i {
      width: 22px;
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
      position: relative;
      display: inline-block;
    }

    .hero-brand i::after {
      content: "";
      position: absolute;
      right: -2px;
      top: 50%;
      width: 8px;
      height: 8px;
      background: var(--color-accent);
      border-radius: 50%;
      transform: translateY(-50%);
      box-shadow: 0 0 0 5px rgba(34,211,166,.13);
    }

    .hero-title-gradient {
      background: linear-gradient(135deg, #151329 0%, #5631E8 54%, #168E77 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid var(--color-border);
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 750;
      box-shadow: 0 10px 24px rgba(39,32,77,.05);
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(34,211,166,.13);
    }

    .hero-card {
      position: relative;
      border-radius: var(--radius-xl);
      padding: 18px;
      background: linear-gradient(145deg, rgba(255,255,255,.92), rgba(247,245,252,.76));
      border: 1px solid rgba(109,66,255,.16);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      min-height: 520px;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      inset: -1px;
      background: radial-gradient(circle at 22% 14%, rgba(109,66,255,.18), transparent 30%),
                  radial-gradient(circle at 86% 20%, rgba(34,211,166,.16), transparent 28%);
      pointer-events: none;
    }

    .hero-image {
      position: relative;
      min-height: 304px;
      border-radius: 28px;
      overflow: hidden;
      background-image: linear-gradient(145deg, rgba(23,20,40,.28), rgba(109,66,255,.22)), url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      border: 1px solid rgba(255,255,255,.52);
    }

    .hero-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(23,20,40,.56) 100%);
    }

    .phone-panel {
      position: relative;
      z-index: 2;
      width: min(310px, 78%);
      margin: -110px auto 0;
      border-radius: 30px;
      padding: 16px;
      background: #fff;
      border: 1px solid rgba(109,66,255,.14);
      box-shadow: 0 24px 64px rgba(39,32,77,.18);
    }

    .phone-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 800;
    }

    .status-pill {
      padding: 5px 9px;
      border-radius: 999px;
      background: rgba(34,211,166,.12);
      color: #119477;
    }

    .match-card {
      padding: 14px;
      border-radius: 20px;
      background: linear-gradient(135deg, rgba(109,66,255,.08), rgba(34,211,166,.10));
      border: 1px solid rgba(109,66,255,.12);
      margin-bottom: 12px;
    }

    .match-row {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      color: var(--color-ink);
      font-weight: 850;
    }

    .pulse-line {
      height: 54px;
      border-radius: 18px;
      margin-top: 12px;
      background:
        linear-gradient(90deg, transparent 0 8%, rgba(109,66,255,.18) 8% 9%, transparent 9% 22%, rgba(34,211,166,.20) 22% 23%, transparent 23%),
        linear-gradient(135deg, rgba(255,255,255,.72), rgba(255,255,255,.36));
      position: relative;
      overflow: hidden;
    }

    .pulse-line svg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
    }

    .float-metric {
      position: absolute;
      z-index: 4;
      right: 24px;
      top: 246px;
      width: 164px;
      padding: 14px;
      border-radius: 20px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(109,66,255,.14);
      box-shadow: 0 18px 44px rgba(39,32,77,.12);
    }

    .float-metric strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
      color: var(--color-primary);
      margin-bottom: 4px;
    }

    .float-metric span {
      font-size: 13px;
      color: var(--color-muted);
      font-weight: 700;
    }

    .trust-strip {
      margin-top: -28px;
      position: relative;
      z-index: 4;
    }

    .trust-card {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      padding: 18px;
      border-radius: 28px;
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(109,66,255,.12);
      box-shadow: var(--shadow-card);
    }

    .trust-item {
      padding: 18px;
      border-radius: 22px;
      background: linear-gradient(180deg, rgba(247,245,252,.74), rgba(255,255,255,.82));
      border: 1px solid rgba(109,66,255,.10);
    }

    .trust-item strong {
      display: block;
      color: var(--color-ink);
      font-size: 23px;
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: -.02em;
    }

    .trust-item span {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .value-panel {
      padding: 34px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      height: 100%;
    }

    .value-panel.dark {
      background:
        radial-gradient(circle at 18% 16%, rgba(109,66,255,.35), transparent 28%),
        radial-gradient(circle at 80% 12%, rgba(34,211,166,.22), transparent 24%),
        linear-gradient(145deg, #171428, #231d3a);
      color: #fff;
      overflow: hidden;
      position: relative;
    }

    .value-panel.dark h2,
    .value-panel.dark h3 {
      color: #fff;
    }

    .value-panel.dark p {
      color: rgba(255,255,255,.74);
    }

    .mini-list {
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .mini-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--color-muted);
      font-weight: 650;
    }

    .mini-list li::before {
      content: "✓";
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(34,211,166,.14);
      color: #119477;
      font-size: 13px;
      font-weight: 900;
      flex: 0 0 auto;
      margin-top: 3px;
    }

    .value-panel.dark .mini-list li {
      color: rgba(255,255,255,.78);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .feature-card {
      position: relative;
      padding: 28px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(109,66,255,.12);
      box-shadow: 0 16px 44px rgba(39,32,77,.08);
      transition: var(--transition);
      overflow: hidden;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(109,66,255,.26);
    }

    .feature-card.large {
      grid-row: span 2;
      min-height: 420px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.92), rgba(247,245,252,.82)),
        url('/assets/images/coverpic/cover-1.webp');
      background-size: cover;
      background-position: center;
    }

    .feature-card.large::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.92));
      pointer-events: none;
    }

    .feature-card > * {
      position: relative;
      z-index: 2;
    }

    .icon-box {
      width: 48px;
      height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 17px;
      margin-bottom: 18px;
      color: #fff;
      background: var(--gradient-main);
      box-shadow: 0 16px 30px rgba(109,66,255,.20);
      font-weight: 900;
    }

    .feature-metrics {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 28px;
      display: grid;
      gap: 10px;
    }

    .metric-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(109,66,255,.10);
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 750;
    }

    .metric-row b {
      color: var(--color-primary);
    }

    .category-entry-card {
      margin-top: 22px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(109,66,255,.09), rgba(34,211,166,.10));
      border: 1px solid rgba(109,66,255,.15);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .scenario-wrap {
      position: relative;
      padding: 30px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }

    .scenario-wrap::before {
      content: "";
      position: absolute;
      left: 42px;
      right: 42px;
      top: 82px;
      height: 2px;
      background: linear-gradient(90deg, rgba(109,66,255,.16), rgba(34,211,166,.28), rgba(255,180,84,.16));
    }

    .scenario-card {
      position: relative;
      padding: 24px;
      border-radius: 24px;
      background: linear-gradient(180deg, #fff, #FBFAFF);
      border: 1px solid rgba(109,66,255,.11);
      min-height: 230px;
      transition: var(--transition);
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      border-color: rgba(109,66,255,.24);
      box-shadow: 0 18px 44px rgba(39,32,77,.10);
    }

    .step-number {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      background: rgba(109,66,255,.08);
      color: var(--color-primary);
      border: 1px solid rgba(109,66,255,.13);
      font-weight: 900;
    }

    .case-shell {
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, rgba(32,27,53,.98), rgba(23,20,40,.98));
      color: #fff;
      padding: 34px;
      box-shadow: var(--shadow-card);
      overflow: hidden;
      position: relative;
    }

    .case-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 16% 14%, rgba(109,66,255,.40), transparent 30%),
                  radial-gradient(circle at 86% 20%, rgba(34,211,166,.24), transparent 28%);
      pointer-events: none;
    }

    .case-shell > * {
      position: relative;
      z-index: 2;
    }

    .case-shell h2,
    .case-shell h3 {
      color: #fff;
    }

    .case-shell .lead,
    .case-shell p {
      color: rgba(255,255,255,.76);
    }

    .quote-card {
      padding: 34px;
      border-radius: 28px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.13);
      height: 100%;
    }

    .quote-mark {
      font-size: 54px;
      line-height: .8;
      color: var(--color-accent);
      margin-bottom: 18px;
    }

    .case-card {
      padding: 24px;
      border-radius: 24px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.13);
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-4px);
      background: rgba(255,255,255,.11);
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 16px 0;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(109,66,255,.08);
      border: 1px solid rgba(109,66,255,.12);
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 800;
    }

    .case-shell .tag {
      color: #BBA9FF;
      background: rgba(109,66,255,.16);
      border-color: rgba(255,255,255,.12);
    }

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

    .price-card {
      position: relative;
      height: 100%;
      padding: 30px;
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.9);
      border: 1px solid rgba(109,66,255,.12);
      box-shadow: 0 16px 44px rgba(39,32,77,.08);
      transition: var(--transition);
      overflow: hidden;
    }

    .price-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(109,66,255,.26);
    }

    .price-card.highlight {
      background:
        radial-gradient(circle at 18% 8%, rgba(109,66,255,.14), transparent 32%),
        linear-gradient(180deg, #fff, #F7F5FC);
      border: 1px solid rgba(109,66,255,.28);
      transform: translateY(-10px);
    }

    .recommend {
      position: absolute;
      top: 20px;
      right: 20px;
      padding: 6px 10px;
      border-radius: 999px;
      color: #7B4A00;
      background: rgba(255,180,84,.22);
      font-size: 13px;
      font-weight: 900;
    }

    .price-label {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .price-main {
      font-size: 30px;
      line-height: 1.2;
      font-weight: 900;
      letter-spacing: -.03em;
      color: var(--color-ink);
      margin-bottom: 16px;
    }

    .price-card .mini-list {
      margin-bottom: 26px;
    }

    .image-feature {
      border-radius: var(--radius-xl);
      overflow: hidden;
      background: #fff;
      border: 1px solid rgba(109,66,255,.12);
      box-shadow: var(--shadow-card);
      height: 100%;
      position: relative;
    }

    .image-feature img {
      width: 100%;
      height: 100%;
      min-height: 420px;
      object-fit: cover;
    }

    .image-feature::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 30%, rgba(23,20,40,.58) 100%);
    }

    .image-caption {
      position: absolute;
      z-index: 2;
      left: 24px;
      right: 24px;
      bottom: 24px;
      color: #fff;
    }

    .image-caption strong {
      display: block;
      font-size: 22px;
      line-height: 1.25;
      margin-bottom: 8px;
    }

    .image-caption span {
      color: rgba(255,255,255,.78);
      font-size: 14px;
      font-weight: 700;
    }

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

    .faq-item {
      border-radius: 22px;
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(109,66,255,.12);
      box-shadow: 0 12px 34px rgba(39,32,77,.06);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(109,66,255,.24);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      border: 0;
      background: transparent;
      color: var(--color-ink);
      text-align: left;
      font-size: 17px;
      font-weight: 850;
    }

    .faq-question::after {
      content: "+";
      width: 30px;
      height: 30px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      background: rgba(109,66,255,.08);
      flex: 0 0 auto;
      font-size: 20px;
      line-height: 1;
    }

    .faq-item.is-active .faq-question::after {
      content: "−";
      background: var(--gradient-main);
      color: #fff;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.8;
    }

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

    .consult-card {
      padding: 32px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .form-row {
      display: grid;
      gap: 14px;
      margin-top: 20px;
    }

    .form-control {
      width: 100%;
      min-height: 52px;
      border-radius: 16px;
      border: 1px solid rgba(109,66,255,.16);
      background: #FBFAFF;
      color: var(--color-ink);
      padding: 14px 16px;
      font-size: 15px;
      outline: none;
      transition: var(--transition);
      box-shadow: none;
    }

    textarea.form-control {
      min-height: 112px;
      resize: vertical;
    }

    .form-control:focus {
      border-color: rgba(109,66,255,.48);
      background: #fff;
      box-shadow: 0 0 0 5px rgba(109,66,255,.10);
    }

    .cta-band {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      padding: 46px;
      background:
        radial-gradient(circle at 18% 20%, rgba(255,180,84,.30), transparent 24%),
        radial-gradient(circle at 82% 16%, rgba(34,211,166,.26), transparent 26%),
        linear-gradient(135deg, #171428, #2a2147 54%, #4631b7);
      color: #fff;
      box-shadow: 0 24px 70px rgba(39,32,77,.18);
    }

    .cta-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.4), transparent 78%);
    }

    .cta-band > * {
      position: relative;
      z-index: 2;
    }

    .cta-band h2 {
      color: #fff;
      margin-bottom: 12px;
    }

    .cta-band p {
      color: rgba(255,255,255,.76);
      margin-bottom: 0;
    }

    .site-footer {
      padding: 64px 0 28px;
      background:
        radial-gradient(circle at 18% 10%, rgba(109,66,255,.22), transparent 28%),
        linear-gradient(180deg, #201B35, #171428);
      color: rgba(255,255,255,.78);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 900;
      margin-bottom: 18px;
    }

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

    .footer-links {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-links a {
      color: rgba(255,255,255,.68);
      font-weight: 650;
    }

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

    .footer-bottom {
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.10);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.54);
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      .desktop-nav,
      .site-header .header-cta.desktop-only {
        display: none;
      }

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

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

      .hero-card {
        margin-top: 36px;
      }

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

      .feature-card.large {
        grid-column: span 2;
        min-height: 360px;
      }

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

      .scenario-wrap::before {
        display: none;
      }

      .price-card.highlight {
        transform: none;
      }
    }

    @media (max-width: 768px) {
      .grid-container {
        padding-left: 18px;
        padding-right: 18px;
      }

      .header-inner {
        min-height: 68px;
      }

      .brand-text strong {
        font-size: 15px;
      }

      .brand-text span {
        display: none;
      }

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

      .section {
        padding: 68px 0;
      }

      .section-tight {
        padding: 56px 0;
      }

      .lead {
        font-size: 16px;
      }

      .btn-row,
      .category-entry-card {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .hero-card {
        min-height: auto;
        padding: 12px;
        border-radius: 28px;
      }

      .hero-image {
        min-height: 246px;
        border-radius: 24px;
      }

      .phone-panel {
        width: 92%;
      }

      .float-metric {
        position: relative;
        right: auto;
        top: auto;
        width: auto;
        margin: 14px;
      }

      .trust-card,
      .feature-grid {
        grid-template-columns: 1fr;
      }

      .feature-card.large {
        grid-column: auto;
        min-height: 430px;
      }

      .feature-metrics {
        position: relative;
        left: auto;
        right: auto;
        bottom: auto;
        margin-top: 24px;
      }

      .value-panel,
      .case-shell,
      .consult-card {
        padding: 24px;
      }

      .cta-band {
        padding: 30px 24px;
        border-radius: 30px;
      }

      .image-feature img {
        min-height: 320px;
      }

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

    @media (max-width: 520px) {
      h1 {
        font-size: 36px;
      }

      h2 {
        font-size: 28px;
      }

      .trust-item {
        padding: 15px;
      }

      .feature-card,
      .scenario-card,
      .price-card {
        padding: 22px;
      }

      .hero-note {
        flex-direction: column;
        align-items: stretch;
      }

      .badge {
        justify-content: center;
      }

      .phone-panel {
        margin-top: -82px;
      }
    }

/* roulang page: category1 */
:root{
      --primary:#6D42FF;
      --primary-2:#8C5CFF;
      --accent:#22D3A6;
      --accent-2:#20C997;
      --warm:#FFB454;
      --ink:#151329;
      --ink-2:#1A1830;
      --muted:#66647A;
      --muted-2:#817D94;
      --bg:#F7F5FC;
      --bg-soft:#FBFAFF;
      --bg-deep:#171428;
      --card:#FFFFFF;
      --line:#E6E0F3;
      --line-purple:rgba(109,66,255,.14);
      --shadow:0 18px 50px rgba(39,32,77,.10);
      --shadow-hover:0 24px 70px rgba(39,32,77,.16);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:20px;
      --radius-sm:14px;
      --ease:all .26s cubic-bezier(.2,.8,.2,1);
      --grad:linear-gradient(135deg,#6D42FF 0%,#8C5CFF 48%,#22D3A6 100%);
      --grad-soft:radial-gradient(circle at 18% 8%,rgba(109,66,255,.16),transparent 34%),radial-gradient(circle at 86% 12%,rgba(34,211,166,.14),transparent 30%);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 6%,rgba(109,66,255,.08),transparent 28%),
        radial-gradient(circle at 92% 18%,rgba(34,211,166,.09),transparent 24%),
        linear-gradient(180deg,#FBFAFF 0%,#F7F5FC 58%,#FBFAFF 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(109,66,255,.18);color:var(--ink)}
    :focus-visible{outline:3px solid rgba(34,211,166,.45);outline-offset:3px;border-radius:12px}
    .grid-container{max-width:1220px}
    .section{padding:94px 0}
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary);
      background:rgba(109,66,255,.08);
      border:1px solid rgba(109,66,255,.14);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(34,211,166,.12);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:800;
      color:var(--ink);
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(28px,3.6vw,40px);
      line-height:1.2;
      letter-spacing:-.03em;
      font-weight:800;
      margin-bottom:14px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      font-weight:800;
      margin-bottom:10px;
      color:var(--ink-2);
    }
    .lead{
      font-size:18px;
      color:var(--muted);
      max-width:760px;
      line-height:1.85;
    }
    .muted{color:var(--muted)}
    .hide-small{display:block}

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,250,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(230,224,243,.76);
    }
    .header-inner{
      height:82px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:13px;
      min-width:248px;
    }
    .logo-mark{
      position:relative;
      flex:0 0 42px;
      width:42px;
      height:42px;
      border-radius:16px;
      background:var(--grad);
      box-shadow:0 14px 34px rgba(109,66,255,.24);
      overflow:hidden;
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      left:8px;
      top:20px;
      width:27px;
      height:2px;
      background:#fff;
      box-shadow:0 -8px 0 rgba(255,255,255,.18),0 8px 0 rgba(255,255,255,.14);
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      left:13px;
      top:13px;
      width:16px;
      height:16px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.92);
      background:rgba(255,255,255,.12);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
    .brand-text span{font-size:12px;color:var(--muted);white-space:nowrap}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(109,66,255,.10);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:8px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
    }
    .nav-link:hover{color:var(--primary);background:rgba(109,66,255,.07)}
    .nav-link.active{
      color:var(--primary);
      background:#fff;
      box-shadow:0 8px 20px rgba(39,32,77,.08);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      bottom:5px;
      left:50%;
      width:18px;
      height:2px;
      transform:translateX(-50%);
      border-radius:9px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .header-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:11px 18px;
      border-radius:999px;
      color:#fff;
      font-size:14px;
      font-weight:800;
      background:var(--grad);
      box-shadow:0 12px 32px rgba(109,66,255,.20);
      border:0;
      white-space:nowrap;
    }
    .header-cta:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(109,66,255,.28);
      filter:saturate(1.06);
    }
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border:1px solid rgba(109,66,255,.14);
      border-radius:16px;
      background:#fff;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:6px;
    }
    .menu-toggle span{
      width:20px;
      height:2px;
      border-radius:2px;
      background:var(--ink);
      transition:var(--ease);
    }
    .menu-toggle.is-open span:first-child{transform:translateY(4px) rotate(45deg)}
    .menu-toggle.is-open span:last-child{transform:translateY(-4px) rotate(-45deg)}
    .mobile-nav{display:none}
    .mobile-nav-panel{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding:16px;
      margin-bottom:16px;
      background:#fff;
      border:1px solid rgba(109,66,255,.12);
      border-radius:24px;
      box-shadow:var(--shadow);
    }
    .desktop-only{display:inline-flex}

    .hero{
      position:relative;
      padding:74px 0 56px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:var(--grad-soft);
      pointer-events:none;
    }
    .hero-card{
      position:relative;
      border:1px solid rgba(109,66,255,.13);
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,255,255,.72));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-copy{padding:54px 50px}
    .hero-copy .lead{max-width:680px;margin-bottom:26px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:14px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      line-height:1;
      transition:var(--ease);
    }
    .btn-primary{
      color:#fff;
      background:var(--grad);
      box-shadow:0 16px 40px rgba(109,66,255,.22);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 54px rgba(109,66,255,.31);
    }
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:rgba(109,66,255,.18);
      box-shadow:0 8px 24px rgba(39,32,77,.06);
    }
    .btn-secondary:hover{
      color:var(--primary);
      background:rgba(109,66,255,.07);
      transform:translateY(-2px);
    }
    .hero-visual{
      min-height:460px;
      height:100%;
      position:relative;
      background:
        linear-gradient(135deg,rgba(23,20,40,.10),rgba(109,66,255,.15)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(23,20,40,.10),rgba(23,20,40,.58));
    }
    .hero-visual::after{
      content:"";
      position:absolute;
      inset:24px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.26);
      background-image:
        linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);
      background-size:34px 34px;
      opacity:.55;
    }
    .signal-panel{
      position:absolute;
      left:34px;
      right:34px;
      bottom:34px;
      z-index:2;
      padding:22px;
      border-radius:28px;
      color:#fff;
      background:rgba(23,20,40,.76);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(12px);
      box-shadow:0 20px 60px rgba(0,0,0,.24);
    }
    .signal-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-weight:800;
    }
    .status::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 7px rgba(34,211,166,.14);
    }
    .pulse-line{
      height:64px;
      border-radius:18px;
      background:
        linear-gradient(90deg,rgba(34,211,166,.08),rgba(109,66,255,.14)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.10) 0 1px,transparent 1px 26px);
      position:relative;
      overflow:hidden;
    }
    .pulse-line svg{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
    }
    .panel-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .panel-metrics span{
      padding:10px;
      border-radius:16px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      color:rgba(255,255,255,.82);
    }
    .panel-metrics strong{display:block;color:#fff;font-size:16px}

    .tag-strip{
      margin-top:30px;
      padding:16px;
      border-radius:24px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(109,66,255,.11);
      box-shadow:0 12px 36px rgba(39,32,77,.06);
    }
    .tag-list{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin:0;
      padding:0;
      list-style:none;
    }
    .tag-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      background:#fff;
      border:1px solid rgba(109,66,255,.12);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .tag-pill:hover,.tag-pill.is-active{
      color:var(--primary);
      border-color:rgba(109,66,255,.24);
      background:rgba(109,66,255,.07);
      transform:translateY(-1px);
    }
    .tag-pill::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      opacity:.75;
    }

    .content-layout{align-items:flex-start}
    .topic-list{
      display:flex;
      flex-direction:column;
      gap:20px;
    }
    .topic-card{
      display:grid;
      grid-template-columns:240px 1fr;
      gap:24px;
      padding:18px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.86);
      border:1px solid rgba(109,66,255,.12);
      box-shadow:0 12px 38px rgba(39,32,77,.07);
      transition:var(--ease);
      overflow:hidden;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(109,66,255,.26);
    }
    .topic-media{
      position:relative;
      min-height:178px;
      border-radius:22px;
      overflow:hidden;
      background:#ddd;
    }
    .topic-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:var(--ease);
    }
    .topic-card:hover .topic-media img{transform:scale(1.045)}
    .topic-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(21,19,41,.06),rgba(21,19,41,.34));
    }
    .topic-content{
      padding:5px 6px 5px 0;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:10px;
    }
    .label{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:var(--primary);
      background:rgba(109,66,255,.08);
      border:1px solid rgba(109,66,255,.12);
    }
    .label.green{
      color:#087d64;
      background:rgba(34,211,166,.12);
      border-color:rgba(34,211,166,.20);
    }
    .label.orange{
      color:#99630e;
      background:rgba(255,180,84,.16);
      border-color:rgba(255,180,84,.28);
    }
    .time-note{
      color:var(--muted-2);
      font-size:13px;
      font-weight:650;
    }
    .topic-content h2,.topic-content h3{
      font-size:23px;
      letter-spacing:-.02em;
      margin-bottom:8px;
    }
    .topic-content p{
      margin-bottom:14px;
      color:var(--muted);
      font-size:16px;
      line-height:1.78;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      align-self:flex-start;
      color:var(--primary);
      font-weight:850;
    }
    .text-link span{transition:var(--ease)}
    .text-link:hover{color:var(--accent-2)}
    .text-link:hover span{transform:translateX(4px)}

    .side-stack{
      position:sticky;
      top:104px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .side-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.88);
      border:1px solid rgba(109,66,255,.12);
      box-shadow:0 12px 38px rgba(39,32,77,.07);
    }
    .side-card.dark{
      color:#fff;
      background:
        radial-gradient(circle at 20% 0,rgba(109,66,255,.42),transparent 34%),
        radial-gradient(circle at 96% 20%,rgba(34,211,166,.28),transparent 28%),
        #171428;
      border-color:rgba(255,255,255,.10);
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
      font-size:18px;
      font-weight:850;
      color:var(--ink);
    }
    .side-card.dark .side-title{color:#fff}
    .side-list{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      position:relative;
      padding-left:20px;
      color:var(--muted);
      line-height:1.65;
    }
    .side-card.dark .side-list li{color:rgba(255,255,255,.78)}
    .side-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:11px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
    }
    .quick-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .quick-item{
      padding:14px 12px;
      border-radius:18px;
      border:1px solid rgba(109,66,255,.12);
      background:rgba(109,66,255,.055);
      transition:var(--ease);
    }
    .quick-item strong{
      display:block;
      color:var(--ink);
      font-size:15px;
      line-height:1.35;
      margin-bottom:3px;
    }
    .quick-item span{font-size:12px;color:var(--muted)}
    .quick-item:hover{
      transform:translateY(-2px);
      background:rgba(109,66,255,.09);
      border-color:rgba(109,66,255,.24);
    }
    .mini-faq{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .mini-faq details{
      border-radius:18px;
      background:rgba(109,66,255,.055);
      border:1px solid rgba(109,66,255,.10);
      padding:13px 14px;
    }
    .mini-faq summary{
      cursor:pointer;
      color:var(--ink);
      font-weight:800;
      list-style:none;
    }
    .mini-faq summary::-webkit-details-marker{display:none}
    .mini-faq p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    .capability-banner{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      padding:42px;
      color:#fff;
      background:
        radial-gradient(circle at 10% 10%,rgba(255,180,84,.23),transparent 24%),
        radial-gradient(circle at 90% 20%,rgba(34,211,166,.28),transparent 28%),
        linear-gradient(135deg,#201B35 0%,#6D42FF 58%,#22D3A6 100%);
      box-shadow:0 24px 70px rgba(109,66,255,.22);
    }
    .capability-banner::after{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      opacity:.42;
    }
    .banner-content{position:relative;z-index:2}
    .capability-banner h2{color:#fff;margin-bottom:10px}
    .capability-banner p{
      color:rgba(255,255,255,.82);
      max-width:710px;
      margin-bottom:0;
    }
    .banner-badges{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .data-badge{
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-height:86px;
      padding:16px;
      border-radius:22px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(8px);
    }
    .data-badge strong{
      font-size:19px;
      line-height:1.25;
      color:#fff;
    }
    .data-badge span{
      color:rgba(255,255,255,.74);
      font-size:13px;
    }

    .process-card{
      height:100%;
      padding:26px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(109,66,255,.12);
      box-shadow:0 12px 38px rgba(39,32,77,.07);
      transition:var(--ease);
    }
    .process-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(109,66,255,.22);
    }
    .step-num{
      display:inline-flex;
      width:40px;
      height:40px;
      align-items:center;
      justify-content:center;
      margin-bottom:14px;
      border-radius:14px;
      color:#fff;
      font-weight:900;
      background:var(--grad);
      box-shadow:0 12px 28px rgba(109,66,255,.18);
    }
    .process-card p{color:var(--muted);margin-bottom:0}

    .faq-section{
      border-radius:var(--radius-xl);
      padding:42px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(109,66,255,.12);
      box-shadow:var(--shadow);
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(109,66,255,.12);
      border-radius:22px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 8px 24px rgba(39,32,77,.05);
    }
    .accordion-title{
      border:0!important;
      color:var(--ink)!important;
      padding:19px 22px!important;
      font-size:17px!important;
      font-weight:850;
      line-height:1.45;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(109,66,255,.055)!important;
      color:var(--primary)!important;
    }
    .accordion-title::before{
      color:var(--primary);
      font-weight:900;
      margin-top:-.65rem!important;
    }
    .accordion-content{
      border:0!important;
      padding:0 22px 20px!important;
      color:var(--muted);
      background:#fff!important;
      line-height:1.75;
    }
    .accordion-content p{margin-bottom:0}

    .contact-card{
      padding:38px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid rgba(109,66,255,.12);
      box-shadow:var(--shadow);
    }
    .contact-form{
      display:grid;
      gap:14px;
    }
    .form-field label{
      display:block;
      margin-bottom:7px;
      color:var(--ink);
      font-weight:800;
      font-size:14px;
    }
    .form-field input,.form-field select,.form-field textarea{
      width:100%;
      border:1px solid rgba(109,66,255,.16);
      border-radius:16px;
      background:#FBFAFF;
      padding:13px 15px;
      color:var(--ink);
      outline:none;
      transition:var(--ease);
      box-shadow:none;
      margin:0;
    }
    .form-field textarea{min-height:112px;resize:vertical}
    .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
      border-color:rgba(109,66,255,.54);
      box-shadow:0 0 0 4px rgba(109,66,255,.10);
      background:#fff;
    }
    .form-note{
      font-size:13px;
      color:var(--muted-2);
      margin:0;
    }

    .site-footer{
      padding:70px 0 30px;
      color:rgba(255,255,255,.78);
      background:
        radial-gradient(circle at 18% 12%,rgba(109,66,255,.30),transparent 30%),
        radial-gradient(circle at 82% 0,rgba(34,211,166,.18),transparent 26%),
        #171428;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:13px;
      color:#fff;
      font-size:19px;
      font-weight:900;
      margin-bottom:16px;
    }
    .site-footer p{
      max-width:470px;
      color:rgba(255,255,255,.68);
      line-height:1.8;
      margin-bottom:0;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--accent);
      padding-left:3px;
    }
    .footer-bottom{
      margin-top:44px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    @media (max-width:1024px){
      .header-inner{height:76px}
      .desktop-nav,.desktop-only{display:none}
      .menu-toggle{display:flex}
      .mobile-nav.is-open{display:block}
      .brand-logo{min-width:auto}
      .hero-copy{padding:42px 34px}
      .hero-visual{min-height:390px}
      .section{padding:76px 0}
      .topic-card{grid-template-columns:210px 1fr}
      .side-stack{position:static;top:auto}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      h1{letter-spacing:-.03em}
      .hero{padding:44px 0}
      .hero-card{border-radius:28px}
      .hero-copy{padding:34px 24px}
      .hero-actions .btn{width:100%}
      .hero-visual{min-height:340px}
      .signal-panel{left:18px;right:18px;bottom:18px;padding:18px;border-radius:22px}
      .panel-metrics{grid-template-columns:1fr}
      .tag-strip{margin-top:20px}
      .topic-card{
        grid-template-columns:1fr;
        gap:16px;
        padding:14px;
      }
      .topic-media{min-height:220px}
      .topic-content{padding:0 4px 6px}
      .capability-banner{padding:30px 24px}
      .banner-badges{grid-template-columns:1fr;margin-top:24px}
      .faq-section,.contact-card{padding:28px 20px;border-radius:28px}
      .quick-grid{grid-template-columns:1fr}
      .hide-small{display:none}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .grid-container{padding-left:18px;padding-right:18px}
      .section{padding:60px 0}
      .brand-text strong{font-size:15px}
      .brand-text span{font-size:11px}
      .logo-mark{width:38px;height:38px;flex-basis:38px;border-radius:14px}
      .header-inner{height:70px}
      .nav-link{justify-content:flex-start;width:100%}
      .hero-copy{padding:28px 20px}
      .lead{font-size:16px}
      .topic-media{min-height:190px}
      .topic-content h2,.topic-content h3{font-size:20px}
      .tag-pill{width:100%;justify-content:flex-start}
      .btn{width:100%}
    }