/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-soft: #dbeafe;
      --secondary: #06b6d4;
      --accent: #f59e0b;
      --success: #16a34a;
      --danger: #ef4444;
      --bg: #f6f9ff;
      --surface: #ffffff;
      --surface-2: #eef6ff;
      --text: #102033;
      --muted: #5b6b80;
      --weak: #8da0b7;
      --border: #dce7f5;
      --shadow-sm: 0 8px 24px rgba(15, 35, 80, .08);
      --shadow-md: 0 18px 48px rgba(15, 35, 80, .12);
      --shadow-lg: 0 28px 80px rgba(30, 64, 175, .18);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 30px;
      --radius-xl: 38px;
      --container: 1180px;
      --nav-h: 76px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 10% 0%, rgba(37, 99, 235, .10), transparent 34%),
        radial-gradient(circle at 90% 12%, rgba(6, 182, 212, .12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, #ffffff 100%);
      overflow-x: hidden;
      padding-bottom: 82px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s var(--ease), background .25s var(--ease), border .25s var(--ease), transform .25s var(--ease);
    }

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

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

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: #fff;
      color: var(--text);
      outline: none;
      padding: 13px 14px;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    input:focus,
    select:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(37, 99, 235, .18);
      outline-offset: 3px;
      border-color: rgba(37, 99, 235, .65);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
    }

    ::selection {
      background: rgba(37, 99, 235, .18);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(255, 255, 255, .82);
      border-bottom: 1px solid rgba(220, 231, 245, .82);
      box-shadow: 0 10px 30px rgba(15, 35, 80, .04);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(255,255,255,.24), transparent 38%),
        linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 24px rgba(37, 99, 235, .24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 14px;
      height: 48px;
      transform: rotate(38deg);
      background: rgba(255, 255, 255, .28);
      left: 6px;
      top: -9px;
    }

    .brand-mark span {
      position: relative;
      z-index: 1;
      font-size: 13px;
      line-height: 1;
      font-weight: 900;
    }

    .brand-text {
      font-size: 18px;
      color: var(--text);
    }

    .nav-main {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex: 1;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 700;
      border: 1px solid transparent;
    }

    .nav-link:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .nav-link.active {
      color: var(--primary-dark);
      background: #fff;
      border-color: rgba(37, 99, 235, .18);
      box-shadow: var(--shadow-sm);
    }

    .timeline-chips {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255,255,255,.72);
      box-shadow: 0 8px 20px rgba(15, 35, 80, .04);
    }

    .stage-chip {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      color: var(--muted);
      white-space: nowrap;
    }

    .stage-chip::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--weak);
    }

    .stage-chip.is-on {
      color: var(--primary-dark);
      background: rgba(37, 99, 235, .10);
    }

    .stage-chip.is-on::before {
      background: var(--success);
      box-shadow: 0 0 0 5px rgba(22, 163, 74, .12);
    }

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

    .nav-search {
      width: 178px;
      height: 42px;
      position: relative;
    }

    .nav-search input {
      height: 42px;
      border-radius: 999px;
      padding: 0 15px 0 38px;
      background: rgba(246, 249, 255, .86);
      font-size: 13px;
    }

    .nav-search::before {
      content: "⌕";
      position: absolute;
      left: 14px;
      top: 7px;
      z-index: 1;
      color: var(--weak);
      font-size: 18px;
      line-height: 1;
    }

    .mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--text);
      box-shadow: var(--shadow-sm);
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 999px;
      transition: transform .25s var(--ease), opacity .25s var(--ease);
    }

    .mobile-toggle.active span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

    .mobile-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      font-weight: 850;
      letter-spacing: -.01em;
      border: 1px solid transparent;
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
      white-space: nowrap;
    }

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

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

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 14px 28px rgba(37, 99, 235, .28);
    }

    .btn-primary:hover {
      box-shadow: 0 18px 38px rgba(37, 99, 235, .34);
    }

    .btn-secondary {
      color: var(--primary-dark);
      background: #fff;
      border-color: rgba(37, 99, 235, .18);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      background: var(--primary-soft);
      border-color: rgba(37, 99, 235, .28);
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255, 255, 255, .62);
      border-color: rgba(255,255,255,.72);
    }

    .btn-ghost:hover {
      background: #fff;
      color: var(--primary-dark);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 850;
      color: var(--primary-dark);
      background: rgba(219, 234, 254, .86);
      border: 1px solid rgba(37, 99, 235, .16);
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(245, 158, 11, .14);
    }

    .section {
      padding: 86px 0;
      position: relative;
    }

    .section-tight {
      padding: 62px 0;
    }

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

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--primary);
      font-weight: 900;
      letter-spacing: .04em;
      font-size: 13px;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 3px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }

    h1,
    h2,
    h3 {
      line-height: 1.18;
      letter-spacing: -.04em;
      color: var(--text);
    }

    h1 {
      font-size: clamp(38px, 6vw, 74px);
      max-width: 980px;
    }

    h2 {
      font-size: clamp(28px, 3.2vw, 44px);
      max-width: 760px;
    }

    h3 {
      font-size: 20px;
      letter-spacing: -.025em;
    }

    .section-desc {
      max-width: 620px;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      min-height: 720px;
      display: flex;
      align-items: center;
      overflow: hidden;
      background:
        linear-gradient(110deg, rgba(8, 25, 57, .78), rgba(30, 64, 175, .58), rgba(6, 182, 212, .28)),
        radial-gradient(circle at 24% 26%, rgba(255,255,255,.20), transparent 26%),
        radial-gradient(circle at 82% 18%, rgba(245,158,11,.24), transparent 18%),
        linear-gradient(135deg, #0f2450 0%, #2563eb 48%, #e0f2fe 100%);
      color: #fff;
      border-bottom-left-radius: 44px;
      border-bottom-right-radius: 44px;
    }

    .hero::before {
      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: 70px 70px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.75), transparent 90%);
      pointer-events: none;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -140px;
      top: 70px;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: rgba(255,255,255,.14);
      filter: blur(4px);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      width: 100%;
      padding: 82px 0 58px;
    }

    .hero-card {
      width: min(100%, 1120px);
      margin: 0 auto;
      border: 1px solid rgba(255,255,255,.22);
      border-radius: var(--radius-xl);
      padding: clamp(28px, 5vw, 60px);
      background: linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.08));
      box-shadow: 0 38px 90px rgba(0, 21, 80, .22);
      backdrop-filter: blur(14px);
      overflow: hidden;
      position: relative;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 86% 18%, rgba(255,255,255,.22), transparent 24%),
        linear-gradient(90deg, transparent 0%, rgba(255,255,255,.10) 100%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
    }

    .hero .badge {
      color: #fff;
      background: rgba(255,255,255,.16);
      border-color: rgba(255,255,255,.26);
      margin-bottom: 22px;
    }

    .hero h1 {
      color: #fff;
      text-shadow: 0 18px 42px rgba(0, 0, 0, .16);
    }

    .hero-intro {
      max-width: 760px;
      margin-top: 22px;
      color: rgba(255,255,255,.88);
      font-size: clamp(17px, 2vw, 20px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .hero-actions .btn-secondary {
      background: rgba(255,255,255,.92);
      color: var(--primary-dark);
    }

    .hero-actions .btn-ghost {
      color: #fff;
      border-color: rgba(255,255,255,.24);
      background: rgba(255,255,255,.12);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      margin-top: 36px;
      max-width: 860px;
    }

    .metric-pill {
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,.13);
      border: 1px solid rgba(255,255,255,.18);
    }

    .metric-pill strong {
      display: block;
      font-size: 26px;
      line-height: 1;
      margin-bottom: 8px;
      color: #fff;
    }

    .metric-pill span {
      color: rgba(255,255,255,.78);
      font-size: 13px;
    }

    .countdown-bar {
      position: relative;
      z-index: 2;
      width: min(100% - 40px, 980px);
      margin: -32px auto 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      padding: 18px 22px;
      background: rgba(255,255,255,.94);
      border: 1px solid rgba(220,231,245,.92);
      border-radius: 26px;
      box-shadow: var(--shadow-lg);
    }

    .countdown-copy {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--text);
      font-weight: 900;
    }

    .countdown-copy em {
      font-style: normal;
      color: var(--primary);
    }

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

    .time-box {
      min-width: 58px;
      text-align: center;
      padding: 8px 10px;
      border-radius: 16px;
      background: var(--surface-2);
      border: 1px solid var(--border);
    }

    .time-box b {
      display: block;
      color: var(--primary-dark);
      font-size: 20px;
      line-height: 1.1;
    }

    .time-box span {
      display: block;
      color: var(--weak);
      font-size: 12px;
      margin-top: 2px;
    }

    .app-panel {
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 28px;
      align-items: stretch;
    }

    .device-stage {
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 16% 18%, rgba(37, 99, 235, .12), transparent 24%),
        linear-gradient(135deg, #ffffff, #eef6ff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      padding: 30px;
      min-height: 440px;
      position: relative;
      overflow: hidden;
    }

    .device-stage::after {
      content: "";
      position: absolute;
      width: 210px;
      height: 210px;
      right: -70px;
      bottom: -80px;
      border-radius: 50%;
      background: rgba(6, 182, 212, .16);
    }

    .workspace-window {
      position: relative;
      z-index: 1;
      border: 1px solid rgba(37, 99, 235, .16);
      border-radius: 24px;
      background: rgba(255,255,255,.88);
      box-shadow: 0 20px 60px rgba(15,35,80,.12);
      overflow: hidden;
    }

    .window-top {
      display: flex;
      align-items: center;
      gap: 7px;
      height: 48px;
      padding: 0 18px;
      border-bottom: 1px solid var(--border);
      background: rgba(246,249,255,.85);
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #fb7185;
    }

    .dot:nth-child(2) {
      background: #fbbf24;
    }

    .dot:nth-child(3) {
      background: #34d399;
    }

    .window-body {
      padding: 22px;
      display: grid;
      gap: 14px;
    }

    .resource-row {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      align-items: center;
      gap: 14px;
      padding: 13px;
      border-radius: 16px;
      background: #fff;
      border: 1px solid rgba(220,231,245,.88);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease);
    }

    .resource-row:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .resource-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    .resource-row b {
      display: block;
      line-height: 1.25;
    }

    .resource-row small {
      color: var(--muted);
    }

    .row-state {
      font-size: 12px;
      font-weight: 900;
      padding: 6px 9px;
      border-radius: 999px;
      color: var(--success);
      background: rgba(22,163,74,.10);
    }

    .app-cards {
      display: grid;
      gap: 16px;
    }

    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(37, 99, 235, .22);
    }

    .app-card {
      padding: 22px;
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 16px;
      align-items: flex-start;
    }

    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 900;
      font-size: 20px;
    }

    .app-card p,
    .service-card p,
    .step-card p,
    .trust-card p,
    .quote-card p {
      color: var(--muted);
      margin-top: 8px;
      font-size: 15px;
    }

    .service-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 28px;
      align-items: start;
    }

    .benefit-column {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, #fff, #eef6ff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      position: sticky;
      top: 98px;
    }

    .benefit-column ul {
      list-style: none;
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .benefit-column li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      padding: 12px 0;
      border-bottom: 1px dashed rgba(141, 160, 183, .35);
    }

    .benefit-column li:last-child {
      border-bottom: 0;
    }

    .check {
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--success);
      font-size: 13px;
      margin-top: 2px;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .service-card {
      padding: 24px;
      min-height: 188px;
    }

    .service-card.highlight {
      background: linear-gradient(135deg, #1d4ed8, #06b6d4);
      color: #fff;
      border-color: transparent;
    }

    .service-card.highlight h3,
    .service-card.highlight p {
      color: #fff;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      background: rgba(37, 99, 235, .08);
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .service-card.highlight .mini-tag {
      background: rgba(255,255,255,.16);
      color: #fff;
    }

    .demo-wrap {
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: .95fr 1.05fr;
    }

    .demo-copy {
      padding: 38px;
      background:
        radial-gradient(circle at 0% 0%, rgba(37,99,235,.10), transparent 28%),
        linear-gradient(180deg, #ffffff, #f3f8ff);
    }

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

    .step-list {
      margin-top: 28px;
      display: grid;
      gap: 14px;
    }

    .step-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: flex-start;
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: #fff;
      color: var(--primary);
      border: 1px solid rgba(37,99,235,.18);
      font-weight: 900;
      box-shadow: var(--shadow-sm);
    }

    .demo-board {
      padding: 30px;
      background: linear-gradient(135deg, #0f2450, #1d4ed8);
      color: #fff;
    }

    .demo-board h3 {
      color: #fff;
      margin-bottom: 18px;
    }

    .flow-card {
      padding: 16px;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.10);
      border-radius: 20px;
      margin-bottom: 12px;
      backdrop-filter: blur(10px);
    }

    .flow-card b {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #fff;
    }

    .progress {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.14);
      overflow: hidden;
      margin-top: 12px;
    }

    .progress span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #93c5fd, #67e8f9);
    }

    .analytics-grid {
      display: grid;
      grid-template-columns: 1fr 1.25fr;
      gap: 24px;
      align-items: stretch;
    }

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

    .kpi-card {
      padding: 24px;
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .kpi-card strong {
      display: block;
      color: var(--primary-dark);
      font-size: 34px;
      line-height: 1;
      margin-bottom: 8px;
      letter-spacing: -.04em;
    }

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

    .chart-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
    }

    .bar-chart {
      display: grid;
      gap: 16px;
      margin-top: 24px;
    }

    .bar-line {
      display: grid;
      grid-template-columns: 92px 1fr 48px;
      align-items: center;
      gap: 12px;
      color: var(--muted);
      font-size: 14px;
    }

    .bar-track {
      height: 12px;
      border-radius: 999px;
      background: var(--surface-2);
      overflow: hidden;
    }

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

    .about-band {
      border-radius: var(--radius-xl);
      padding: 36px;
      background:
        radial-gradient(circle at 90% 0%, rgba(6,182,212,.14), transparent 26%),
        linear-gradient(135deg, #ffffff, #f0f7ff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
    }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 30px;
    }

    .trust-card {
      padding: 22px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(220,231,245,.88);
    }

    .quote-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 24px;
    }

    .quote-card {
      padding: 24px;
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .quote-card blockquote {
      color: var(--text);
      font-weight: 800;
      line-height: 1.55;
    }

    .quote-card cite {
      display: block;
      color: var(--weak);
      font-style: normal;
      margin-top: 14px;
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) 360px;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .news-item {
      display: grid;
      grid-template-columns: 110px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px 24px;
      border-bottom: 1px solid var(--border);
    }

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

    .news-date {
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
    }

    .news-item a {
      font-size: 18px;
      font-weight: 900;
      color: var(--text);
    }

    .news-item a:hover {
      color: var(--primary);
    }

    .news-item p {
      color: var(--muted);
      margin-top: 5px;
      font-size: 14px;
    }

    .arrow {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: var(--surface-2);
      color: var(--primary);
      transition: transform .25s var(--ease), background .25s var(--ease);
    }

    .news-item:hover .arrow {
      transform: translateX(4px);
      background: var(--primary-soft);
    }

    .recommend-card {
      padding: 26px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(37,99,235,.94), rgba(6,182,212,.86)),
        radial-gradient(circle at 80% 10%, rgba(255,255,255,.22), transparent 22%);
      color: #fff;
      box-shadow: var(--shadow-lg);
      position: sticky;
      top: 98px;
      overflow: hidden;
    }

    .recommend-card h3 {
      color: #fff;
      font-size: 24px;
    }

    .recommend-card p {
      color: rgba(255,255,255,.86);
      margin-top: 12px;
    }

    .recommend-list {
      list-style: none;
      margin-top: 22px;
      display: grid;
      gap: 12px;
    }

    .recommend-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.14);
    }

    .faq-apply {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 420px;
      gap: 24px;
      align-items: start;
    }

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

    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 22px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--text);
      font-weight: 900;
      text-align: left;
    }

    .faq-question:hover {
      color: var(--primary);
      background: rgba(37,99,235,.04);
    }

    .faq-question::after {
      content: "+";
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: var(--primary);
      background: var(--primary-soft);
      font-size: 18px;
      line-height: 1;
    }

    .faq-item.open .faq-question::after {
      content: "–";
      background: var(--primary);
      color: #fff;
    }

    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      color: var(--muted);
    }

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

    .apply-card {
      padding: 26px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      position: sticky;
      top: 98px;
    }

    .apply-card h3 {
      font-size: 24px;
      margin-bottom: 8px;
    }

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

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

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

    .form-result {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 14px;
      background: rgba(22, 163, 74, .10);
      color: #15803d;
      font-weight: 800;
    }

    .site-footer {
      padding: 58px 0 36px;
      background: #0f2450;
      color: rgba(255,255,255,.78);
      border-top-left-radius: 40px;
      border-top-right-radius: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 32px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255,255,255,.72);
    }

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

    .footer-bottom {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.12);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.56);
      font-size: 14px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 60;
      width: min(calc(100% - 28px), 960px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 13px 16px 13px 20px;
      border-radius: 999px;
      background: rgba(15, 36, 80, .92);
      color: #fff;
      box-shadow: 0 18px 46px rgba(15, 36, 80, .28);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,.14);
    }

    .floating-copy {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 850;
    }

    .pulse {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #22c55e;
      box-shadow: 0 0 0 8px rgba(34, 197, 94, .14);
      flex: 0 0 auto;
    }

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

    .floating-close {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      color: rgba(255,255,255,.72);
      background: rgba(255,255,255,.10);
    }

    .floating-close:hover {
      color: #fff;
      background: rgba(255,255,255,.18);
    }

    @media (max-width: 1024px) {
      .nav-search {
        display: none;
      }

      .timeline-chips {
        display: none;
      }

      .hero {
        min-height: 660px;
      }

      .countdown-bar,
      .app-panel,
      .service-layout,
      .demo-wrap,
      .analytics-grid,
      .news-layout,
      .faq-apply {
        grid-template-columns: 1fr;
      }

      .benefit-column,
      .recommend-card,
      .apply-card {
        position: relative;
        top: auto;
      }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 118px;
      }

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

      .nav-shell {
        min-height: 68px;
      }

      .mobile-toggle {
        display: block;
      }

      .nav-main {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border: 1px solid var(--border);
        border-radius: 22px;
        background: rgba(255,255,255,.96);
        box-shadow: var(--shadow-md);
      }

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

      .nav-link {
        justify-content: center;
      }

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

      .hero {
        min-height: 700px;
        border-bottom-left-radius: 30px;
        border-bottom-right-radius: 30px;
      }

      .hero-card {
        border-radius: 28px;
      }

      .hero-metrics,
      .service-grid,
      .quote-row,
      .trust-grid {
        grid-template-columns: 1fr;
      }

      .countdown-bar {
        display: grid;
        border-radius: 24px;
        margin-top: -24px;
      }

      .timer {
        width: 100%;
        justify-content: space-between;
      }

      .time-box {
        flex: 1;
        min-width: 0;
      }

      .section {
        padding: 66px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

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

      .arrow {
        display: none;
      }

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

      .floating-cta {
        border-radius: 24px;
        align-items: stretch;
        flex-direction: column;
      }

      .floating-actions {
        width: 100%;
      }

      .floating-actions .btn {
        flex: 1;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        font-size: 16px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero-actions {
        flex-direction: column;
      }

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

      .metric-pill strong {
        font-size: 22px;
      }

      .device-stage,
      .demo-copy,
      .demo-board,
      .about-band,
      .apply-card {
        padding: 22px;
      }

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

      .row-state {
        grid-column: 2;
        justify-self: start;
      }

      .bar-line {
        grid-template-columns: 76px 1fr 38px;
        gap: 8px;
        font-size: 13px;
      }

      .footer-bottom {
        display: grid;
      }
    }