:root {
  --ink-950: #0b1736;
  --ink-900: #11214a;
  --ink-800: #1c3268;
  --ink-700: #36507c;
  --ink-600: #56698f;
  --ink-500: #7382a0;
  --blue-700: #1644bd;
  --blue-600: #2459dc;
  --blue-500: #3b72ee;
  --blue-100: #eaf1ff;
  --blue-50: #f5f8ff;
  --cyan-100: #dcf8ff;
  --green-700: #157448;
  --green-100: #dff7ea;
  --amber-700: #9a5b05;
  --amber-100: #fff0c9;
  --red-700: #ad2d3f;
  --red-100: #ffe2e8;
  --surface: #ffffff;
  --surface-soft: #f7f9fd;
  --surface-muted: #eef3fb;
  --border: #dce4f1;
  --shadow-sm: 0 8px 24px rgba(16, 36, 82, 0.07);
  --shadow-md: 0 24px 64px rgba(18, 41, 92, 0.13);
  --shadow-xl: 0 36px 100px rgba(16, 42, 104, 0.18);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-pill: 999px;
  --container: 1180px;
  --header-height: 76px;
  --transition: 180ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink-900);
  background: var(--surface);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.nav-open, body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 2000;
  padding: 10px 16px;
  border-radius: 8px;
  color: #fff;
  background: var(--blue-700);
  transition: top var(--transition);
}
.skip-link:focus { top: 12px; }

.container {
  width: calc(100% - 40px);
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid rgba(220, 228, 241, 0.78);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}
.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--blue-700), var(--blue-500));
  box-shadow: 0 12px 28px rgba(36, 89, 220, 0.25);
}
.brand-mark svg { width: 26px; height: 26px; }
.brand-mark path:first-child { fill: rgba(255,255,255,.18); stroke: #fff; stroke-width: 2.3; }
.brand-mark path:last-child { fill: none; stroke: #fff; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.brand-copy { display: grid; line-height: 1.05; gap: 5px; }
.brand-copy strong { font-size: 19px; letter-spacing: .08em; }
.brand-copy small { color: var(--ink-500); font-size: 9.5px; letter-spacing: .055em; }
.primary-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--ink-700);
  font-size: 14px;
  font-weight: 650;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.is-active { color: var(--blue-700); background: var(--blue-50); }
.nav-login { margin-left: 8px; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.nav-toggle span:not(.sr-only) { display: block; width: 22px; height: 2px; margin: 4px 0; border-radius: 2px; background: var(--ink-900); }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  box-shadow: 0 12px 26px rgba(36, 89, 220, 0.2);
  font-size: 15px;
  font-weight: 750;
  line-height: 1;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.button:hover { transform: translateY(-2px); box-shadow: 0 17px 34px rgba(36, 89, 220, 0.28); }
.button:focus-visible, .nav-link:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible {
  outline: 3px solid rgba(59, 114, 238, 0.3);
  outline-offset: 3px;
}
.button-secondary {
  color: var(--blue-700);
  border-color: #bcd0ff;
  background: #fff;
  box-shadow: none;
}
.button-secondary:hover { background: var(--blue-50); box-shadow: none; }
.button-ghost { color: var(--ink-800); background: transparent; border-color: var(--border); box-shadow: none; }
.button-small { min-height: 39px; padding: 9px 15px; border-radius: 11px; font-size: 13px; }
.button-block { width: 100%; }
.button[aria-disabled="true"], .button:disabled { opacity: .55; pointer-events: none; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--blue-500); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 80px;
  background:
    radial-gradient(circle at 84% 13%, rgba(75, 126, 255, .14), transparent 31%),
    radial-gradient(circle at 10% 85%, rgba(89, 224, 233, .09), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, #fff 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -170px auto;
  width: 500px;
  height: 500px;
  border: 1px solid rgba(36,89,220,.08);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(36,89,220,.025), 0 0 0 140px rgba(36,89,220,.018);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 68px; align-items: center; }
.hero-copy { position: relative; z-index: 1; }
.hero h1 {
  max-width: 760px;
  margin: 18px 0 22px;
  color: var(--ink-950);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.1;
  letter-spacing: -.045em;
}
.hero h1 span { color: var(--blue-600); }
.hero-lead { max-width: 680px; margin: 0; color: var(--ink-600); font-size: clamp(17px, 2vw, 21px); line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 24px; color: var(--ink-600); font-size: 13px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta span::before { content: "✓"; display: grid; width: 19px; height: 19px; place-items: center; border-radius: 50%; color: var(--green-700); background: var(--green-100); font-size: 11px; font-weight: 900; }

.platform-strip {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--ink-700);
  background: rgba(255,255,255,.72);
  font-size: 13px;
}
.platform-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-700); box-shadow: 0 0 0 5px var(--green-100); }

.product-window {
  position: relative;
  z-index: 2;
  padding: 12px;
  border: 1px solid rgba(201, 213, 234, .8);
  border-radius: 28px;
  background: rgba(255, 255, 255, .76);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
}
.product-window-inner { overflow: hidden; border-radius: 19px; background: #f5f7fb; }
.window-topbar { height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; border-bottom: 1px solid #e4e9f3; background: #fff; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #c9d3e5; }
.window-title { color: var(--ink-500); font-size: 11px; }
.mock-dashboard { display: grid; grid-template-columns: 128px 1fr; min-height: 430px; }
.mock-sidebar { padding: 20px 13px; color: #fff; background: linear-gradient(180deg, #10265e, #173a8b); }
.mock-brand { font-size: 14px; font-weight: 800; margin-bottom: 28px; }
.mock-nav { display: grid; gap: 7px; }
.mock-nav span { height: 28px; display: flex; align-items: center; padding: 0 9px; border-radius: 8px; color: rgba(255,255,255,.65); font-size: 9px; }
.mock-nav span:first-child { color: #fff; background: rgba(255,255,255,.13); }
.mock-content { padding: 22px; }
.mock-welcome { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.mock-welcome h2 { margin: 0; font-size: 16px; color: var(--ink-950); }
.mock-welcome p { margin: 3px 0 0; color: var(--ink-500); font-size: 9px; }
.mock-status { padding: 6px 9px; border-radius: 999px; color: var(--green-700); background: var(--green-100); font-size: 8px; font-weight: 800; }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.mock-card { padding: 14px; border: 1px solid #e2e8f3; border-radius: 13px; background: #fff; box-shadow: 0 8px 18px rgba(17,42,90,.04); }
.mock-card small { color: var(--ink-500); font-size: 8px; }
.mock-card strong { display: block; margin: 7px 0 3px; color: var(--ink-950); font-size: 21px; line-height: 1; }
.mock-card em { color: var(--green-700); font-size: 7px; font-style: normal; }
.mock-main { display: grid; grid-template-columns: 1.25fr .75fr; gap: 10px; margin-top: 10px; }
.mock-panel { min-height: 220px; padding: 14px; border: 1px solid #e2e8f3; border-radius: 13px; background: #fff; }
.mock-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; color: var(--ink-950); font-size: 9px; font-weight: 750; }
.mock-chart { position: relative; height: 100px; border-bottom: 1px solid #e5eaf3; background: repeating-linear-gradient(to bottom, transparent, transparent 24px, #eff3f9 25px); }
.mock-chart svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.mock-list { display: grid; gap: 8px; }
.mock-list-row { display: grid; grid-template-columns: 7px 1fr auto; align-items: center; gap: 7px; padding-bottom: 8px; border-bottom: 1px solid #eff2f8; color: var(--ink-700); font-size: 8px; }
.mock-list-row i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber-700); }
.mock-list-row:nth-child(2) i { background: var(--red-700); }
.mock-list-row:nth-child(3) i { background: var(--green-700); }

.section { padding: 96px 0; }
.section-soft { background: var(--surface-soft); }
.section-blue { color: #fff; background: linear-gradient(145deg, #0c2256, #1644a9 58%, #2459dc); }
.section-blue .section-lead, .section-blue .section-kicker { color: rgba(255,255,255,.72); }
.section-heading { max-width: 780px; margin: 0 auto 48px; text-align: center; }
.section-heading.is-left { margin-inline: 0; text-align: left; }
.section-kicker { margin: 0 0 10px; color: var(--blue-700); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.section-title { margin: 0; color: var(--ink-950); font-size: clamp(30px, 4vw, 48px); line-height: 1.2; letter-spacing: -.035em; }
.section-blue .section-title { color: #fff; }
.section-lead { margin: 17px auto 0; max-width: 720px; color: var(--ink-600); font-size: 17px; }
.section-heading.is-left .section-lead { margin-left: 0; }

.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.card-icon { width: 45px; height: 45px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 14px; color: var(--blue-700); background: var(--blue-100); font-size: 19px; font-weight: 900; }
.card h3 { margin: 0 0 10px; color: var(--ink-950); font-size: 19px; line-height: 1.35; }
.card p { margin: 0; color: var(--ink-600); font-size: 14px; }
.card-number { display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center; margin-bottom: 18px; border: 1px solid #c7d6fb; border-radius: 50%; color: var(--blue-700); background: #fff; font-weight: 850; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: steps; }
.steps-3 { grid-template-columns: repeat(3, 1fr); }
.monitor-pills { justify-content: center; margin: 26px 0 0; }
.monitor-note { max-width: 720px; margin: 16px auto 0; color: var(--ink-500); font-size: 13px; text-align: center; }
.step { position: relative; padding: 28px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.step::after { content: ""; position: absolute; top: 48px; right: -19px; width: 20px; border-top: 1px dashed #a9bce8; }
.step:last-child::after { display: none; }
.step h3 { margin: 0 0 10px; color: var(--ink-950); font-size: 18px; }
.step p { margin: 0; color: var(--ink-600); font-size: 14px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 68px; align-items: center; }
.feature-list { display: grid; gap: 16px; margin: 28px 0 0; padding: 0; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; color: var(--ink-700); }
.feature-list li::before { content: "✓"; display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; color: var(--green-700); background: var(--green-100); font-size: 12px; font-weight: 900; }

.risk-visual { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: linear-gradient(180deg, #fff, #f6f9ff); box-shadow: var(--shadow-md); }
.risk-visual-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.risk-visual-head strong { color: var(--ink-950); font-size: 17px; }
.risk-score { display: grid; width: 74px; height: 74px; place-items: center; border-radius: 50%; color: var(--green-700); background: conic-gradient(var(--green-700) 0 87%, var(--green-100) 87%); position: relative; font-size: 20px; font-weight: 900; }
.risk-score::before { content: ""; position: absolute; inset: 7px; border-radius: 50%; background: #fff; }
.risk-score span { position: relative; }
.risk-bars { display: grid; gap: 17px; }
.risk-bar-label { display: flex; justify-content: space-between; margin-bottom: 7px; color: var(--ink-700); font-size: 13px; }
.risk-bar-track { height: 9px; overflow: hidden; border-radius: 999px; background: #e9eef7; }
.risk-bar-track span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue-700), var(--blue-500)); }
.risk-bar:nth-child(2) .risk-bar-track span { background: linear-gradient(90deg, #e0a21d, #f3c45b); }
.risk-bar:nth-child(3) .risk-bar-track span { background: linear-gradient(90deg, #1d9763, #41c98d); }
.risk-visual-foot { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--ink-500); font-size: 12px; }

.decision-banner { position: relative; overflow: hidden; border-radius: 34px; padding: 54px; background: linear-gradient(135deg, #0d2151 0%, #173f9f 60%, #2c68e8 100%); box-shadow: var(--shadow-xl); }
.decision-banner::after { content: ""; position: absolute; width: 340px; height: 340px; right: -100px; top: -120px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 0 0 60px rgba(255,255,255,.035), 0 0 0 120px rgba(255,255,255,.02); }
.decision-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; }
.decision-banner h2 { margin: 12px 0 16px; color: #fff; font-size: clamp(31px, 4vw, 48px); line-height: 1.18; letter-spacing: -.035em; }
.decision-banner p { color: rgba(255,255,255,.78); }
.decision-price { display: inline-flex; align-items: baseline; gap: 7px; margin: 20px 0; color: #fff; }
.decision-price strong { font-size: 39px; }
.decision-price span { color: rgba(255,255,255,.7); }
.decision-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.decision-points span { padding: 11px 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 11px; color: rgba(255,255,255,.86); background: rgba(255,255,255,.07); font-size: 13px; }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); align-items: stretch; gap: 16px; }
.pricing-card { position: relative; display: flex; flex-direction: column; padding: 28px 24px; border: 1px solid var(--border); border-radius: 24px; background: #fff; box-shadow: var(--shadow-sm); }
.pricing-card.is-featured { border: 2px solid var(--blue-500); box-shadow: 0 26px 70px rgba(36,89,220,.17); transform: translateY(-9px); }
.pricing-card.is-demo { background: linear-gradient(180deg, #fff, #f7f9ff); }
.pricing-label { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 5px 13px; border-radius: 999px; color: #fff; background: var(--blue-700); font-size: 11px; font-weight: 800; white-space: nowrap; }
.pricing-card h3 { margin: 0; color: var(--ink-950); font-size: 23px; }
.product-result { min-height: 52px; margin: 10px 0 0; color: var(--ink-700); font-weight: 700; font-size: 14px; }
.price { display: flex; align-items: baseline; gap: 5px; margin: 20px 0 14px; }
.price strong { color: var(--ink-950); font-size: 34px; line-height: 1; }
.price span { color: var(--ink-500); font-size: 13px; }
.pricing-card header > p:last-child { color: var(--ink-600); font-size: 13px; }
.check-list { display: grid; gap: 10px; flex: 1; margin: 24px 0; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 19px 1fr; gap: 8px; color: var(--ink-700); font-size: 13px; }
.check-list li::before { content: "✓"; color: var(--green-700); font-weight: 900; }
.card-footnote { margin: 12px 0 0; color: var(--ink-500); font-size: 11px; text-align: center; }

.page-hero { padding: 78px 0 64px; background: radial-gradient(circle at 75% 5%, rgba(58,110,239,.13), transparent 35%), linear-gradient(180deg,#f8fbff,#fff); }
.page-hero-inner { max-width: 850px; }
.page-hero h1 { margin: 15px 0 18px; color: var(--ink-950); font-size: clamp(38px, 5vw, 58px); line-height: 1.15; letter-spacing: -.04em; }
.page-hero p { max-width: 760px; margin: 0; color: var(--ink-600); font-size: 18px; }
.page-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.notice { display: flex; gap: 13px; padding: 17px 18px; border: 1px solid #cfe0ff; border-radius: 14px; color: var(--ink-700); background: var(--blue-50); font-size: 13px; }
.notice strong { color: var(--ink-950); }
.notice-warning { border-color: #f1d393; background: #fffaf0; }
.notice-danger { border-color: #f5b9c4; background: #fff6f8; }

.platform-card { display: grid; grid-template-columns: auto 1fr; gap: 15px; align-items: center; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: #fff; box-shadow: var(--shadow-sm); }
.platform-card-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 15px; color: var(--blue-700); background: var(--blue-100); font-size: 22px; }
.platform-card strong, .platform-card span { display: block; }
.platform-card span { color: var(--ink-600); font-size: 13px; }
.platform-card.is-supported { border-color: #bfe6d2; background: #fbfffd; }
.platform-card.is-unsupported { border-color: #ead9b8; background: #fffdf8; }

.download-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: start; }
.download-panel { padding: 32px; border: 1px solid var(--border); border-radius: 24px; background: #fff; box-shadow: var(--shadow-md); }
.download-panel h2 { margin: 0 0 8px; color: var(--ink-950); font-size: 28px; }
.download-meta { display: grid; gap: 12px; margin: 25px 0; }
.download-meta-row { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); color: var(--ink-600); font-size: 13px; }
.download-meta-row strong { color: var(--ink-900); font-weight: 700; text-align: right; }
.system-list { display: grid; gap: 12px; }
.system-row { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 12px; background: var(--surface-soft); }
.system-row i { width: 20px; height: 20px; display: grid; flex: 0 0 auto; place-items: center; border-radius: 50%; color: var(--green-700); background: var(--green-100); font-size: 11px; font-style: normal; font-weight: 900; }
.system-row strong { display: block; color: var(--ink-950); font-size: 13px; }
.system-row span { color: var(--ink-500); font-size: 12px; }

.comparison-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: var(--shadow-sm); }
.comparison { width: 100%; min-width: 860px; border-collapse: collapse; }
.comparison th, .comparison td { padding: 17px 16px; border-bottom: 1px solid var(--border); text-align: center; font-size: 13px; }
.comparison th:first-child, .comparison td:first-child { position: sticky; left: 0; z-index: 1; min-width: 210px; text-align: left; background: #fff; }
.comparison thead th { color: var(--ink-950); background: var(--surface-soft); font-size: 14px; }
.comparison thead th:first-child { background: var(--surface-soft); }
.comparison .recommended-col { background: #f5f8ff; }
.comparison td.recommended-col { color: var(--blue-700); font-weight: 750; }
.comparison tbody tr:last-child td { border-bottom: 0; }

.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { overflow: hidden; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; border: 0; color: var(--ink-950); background: #fff; text-align: left; font-weight: 750; }
.faq-question::after { content: "+"; color: var(--blue-700); font-size: 22px; font-weight: 400; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 22px 22px; color: var(--ink-600); font-size: 14px; }

.search-box { position: relative; max-width: 680px; margin: 0 auto 34px; }
.search-box input { width: 100%; min-height: 54px; padding: 13px 18px 13px 48px; border: 1px solid var(--border); border-radius: 15px; color: var(--ink-900); background: #fff; box-shadow: var(--shadow-sm); }
.search-box::before { content: "⌕"; position: absolute; left: 18px; top: 50%; transform: translateY(-52%); color: var(--ink-500); font-size: 24px; }

.form-card { padding: 32px; border: 1px solid var(--border); border-radius: 24px; background: #fff; box-shadow: var(--shadow-md); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: grid; gap: 7px; }
.form-field.is-full { grid-column: 1 / -1; }
.form-field label { color: var(--ink-800); font-size: 13px; font-weight: 700; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  border: 1px solid #ccd7e8;
  border-radius: 12px;
  color: var(--ink-900);
  background: #fff;
  padding: 12px 14px;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.consent-label { display: flex; align-items: flex-start; gap: 9px; color: var(--ink-600); font-size: 12px; font-weight: 500 !important; cursor: pointer; }
.consent-label input { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 2px; accent-color: var(--blue-600); }
.consent-label a { color: var(--blue-700); text-decoration: underline; }
.form-help { color: var(--ink-500); font-size: 11px; }
.form-feedback { margin-top: 14px; padding: 12px 14px; border-radius: 10px; color: var(--amber-700); background: var(--amber-100); font-size: 13px; }
.form-feedback:not(.is-visible) { display: none; }

.contact-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 32px; align-items: start; }
.contact-options { display: grid; gap: 14px; }
.contact-option { padding: 20px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.contact-option h3 { margin: 0 0 5px; color: var(--ink-950); font-size: 16px; }
.contact-option p { margin: 0; color: var(--ink-600); font-size: 13px; }

.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 34px; padding: 46px; border-radius: 30px; color: #fff; background: linear-gradient(135deg, #0f2b6d, #235de1); box-shadow: var(--shadow-xl); }
.cta-panel h2 { margin: 0 0 9px; color: #fff; font-size: clamp(27px, 3vw, 40px); }
.cta-panel p { max-width: 680px; margin: 0; color: rgba(255,255,255,.76); }
.cta-panel .button-secondary { flex: 0 0 auto; }
.cta-panel-actions { display: flex; gap: 12px; flex: 0 0 auto; }

.site-footer { padding: 70px 0 0; color: rgba(255,255,255,.74); background: #091632; }
.footer-cta { display: flex; gap: 10px; margin: 18px 0 4px; }
.footer-cta a.button-small { font-size: 13px; }
.footer-cta a.button-secondary { color: var(--blue-700); }
.footer-grid { display: grid; grid-template-columns: 1.65fr repeat(3, 1fr); gap: 48px; }
.footer-grid h2 { margin: 3px 0 17px; color: #fff; font-size: 14px; }
.footer-grid a { display: block; width: fit-content; margin: 9px 0; color: rgba(255,255,255,.67); font-size: 13px; }
.footer-grid a:hover { color: #fff; }
.brand-footer .brand-copy strong { color: #fff; }
.brand-footer .brand-copy small { color: rgba(255,255,255,.5); }
.footer-brand p { max-width: 330px; margin: 20px 0 0; color: rgba(255,255,255,.82); }
.footer-brand .footer-note { margin-top: 4px; color: rgba(255,255,255,.46); font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 52px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.45); font-size: 12px; }

.modal { position: fixed; inset: 0; z-index: 2000; display: grid; place-items: center; padding: 20px; background: rgba(6, 17, 42, .58); backdrop-filter: blur(7px); }
.modal-card { width: min(100%, 510px); padding: 28px; border-radius: 22px; background: #fff; box-shadow: var(--shadow-xl); }
.modal-head { display: flex; justify-content: space-between; gap: 20px; }
.modal-head h2 { margin: 0; color: var(--ink-950); font-size: 23px; }
.modal-close { width: 35px; height: 35px; border: 0; border-radius: 10px; color: var(--ink-700); background: var(--surface-muted); font-size: 21px; }
.modal-card p { color: var(--ink-600); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

.legal { max-width: 860px; }
.legal h2 { margin: 42px 0 12px; color: var(--ink-950); font-size: 24px; }
.legal h3 { margin: 28px 0 10px; color: var(--ink-950); font-size: 18px; }
.legal p, .legal li { color: var(--ink-700); }
.legal .meta { margin-bottom: 28px; color: var(--ink-500); font-size: 13px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 9px; }
.pill { display: inline-flex; align-items: center; min-height: 30px; padding: 6px 11px; border: 1px solid #cddaf2; border-radius: 999px; color: var(--blue-700); background: var(--blue-50); font-size: 12px; font-weight: 700; }

.data-boundary { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.boundary-card { padding: 28px; border-radius: 20px; }
.boundary-card h3 { margin: 0 0 10px; color: var(--ink-950); font-size: 20px; }
.boundary-card p { margin: 0; color: var(--ink-600); }
.boundary-card.is-do { border: 1px solid #bfe6d2; background: #f6fdf9; }
.boundary-card.is-not { border: 1px solid #e4d9bf; background: #fffcf5; }

.quote { max-width: 880px; margin: 0 auto; text-align: center; }
.quote blockquote { margin: 0; color: var(--ink-950); font-size: clamp(27px, 3.6vw, 42px); line-height: 1.35; font-weight: 780; letter-spacing: -.025em; }
.quote p { margin: 18px 0 0; color: var(--ink-500); }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .pricing-card.is-featured { transform: none; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { gap: 34px; }
  .product-window { transform: none; }
  .decision-grid { grid-template-columns: 1fr; }
  .decision-points { max-width: 640px; }
}

@media (max-width: 820px) {
  :root { --header-height: 68px; }
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-content: start;
    padding: 18px 20px 30px;
    background: #fff;
    overflow-y: auto;
  }
  .primary-nav.is-open { display: grid; }
  .nav-link { padding: 14px 12px; font-size: 16px; }
  .nav-login { margin-left: 0; }
  .primary-nav .button { margin-top: 8px; }
  .hero { padding: 60px 0 66px; }
  .hero-grid, .split, .download-layout, .contact-grid, .data-boundary { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .hero-meta { justify-content: center; }
  .platform-strip { margin-inline: auto; }
  .product-window { max-width: 620px; margin-inline: auto; }
  .mock-dashboard { grid-template-columns: 92px 1fr; min-height: 350px; }
  .mock-sidebar { padding: 17px 8px; }
  .mock-content { padding: 16px; }
  .mock-main { grid-template-columns: 1fr; }
  .mock-main .mock-panel:last-child { display: none; }
  .section { padding: 76px 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .cta-panel { align-items: flex-start; flex-direction: column; padding: 36px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 590px) {
  .container { width: calc(100% - 28px); }
  .hero h1 { font-size: 39px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-meta { display: grid; justify-content: stretch; text-align: left; }
  .product-window { padding: 7px; border-radius: 21px; }
  .mock-dashboard { grid-template-columns: 1fr; min-height: 330px; }
  .mock-sidebar { display: none; }
  .mock-content { padding: 14px; }
  .mock-cards { grid-template-columns: repeat(3, 1fr); }
  .mock-card { padding: 11px 8px; }
  .mock-card strong { font-size: 17px; }
  .card-grid, .steps, .pricing-grid, .decision-points, .form-grid { grid-template-columns: 1fr; }
  .form-field.is-full { grid-column: auto; }
  .decision-banner { padding: 34px 24px; border-radius: 25px; }
  .pricing-card { padding: 26px 22px; }
  .section-title { font-size: 33px; }
  .page-hero { padding: 55px 0 45px; }
  .page-hero h1 { font-size: 39px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .cta-panel { padding: 30px 24px; }
  .cta-panel-actions { flex-direction: column; align-self: stretch; }
  .cta-panel-actions .button { width: 100%; }
  .download-panel, .form-card { padding: 24px 20px; }
  .modal-card { padding: 23px 20px; }
  .modal-actions { display: grid; }
}

/* RC014: preview, service states, and conditional forms */
.preview-banner {
  position: relative;
  z-index: 1200;
  border-bottom: 1px solid #efd9a5;
  color: #6d4700;
  background: #fff8e7;
  font-size: 12px;
}
.preview-banner .container {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}
.preview-banner strong { color: #8a5700; }
.preview-banner span { color: #7a5b22; }

.form-feedback {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.55;
}
.form-feedback.is-visible { display: block; }
.form-feedback.is-pending {
  color: var(--blue-700);
  border-color: #cbdcff;
  background: var(--blue-50);
}
.form-feedback.is-success {
  color: var(--green-700);
  border-color: #bfe7cf;
  background: var(--green-100);
}
.form-feedback.is-warning {
  color: var(--amber-700);
  border-color: #efd69c;
  background: var(--amber-100);
}
.form-feedback.is-error {
  color: var(--red-700);
  border-color: #f1bac6;
  background: var(--red-100);
}

button[aria-busy="true"] { cursor: wait; }
.form-card [hidden] { display: none !important; }
.form-field[data-visible-for] {
  padding-top: 2px;
  animation: qianzhi-field-in 160ms ease-out;
}
@keyframes qianzhi-field-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-status {
  display: grid;
  gap: 4px;
  margin-top: 16px;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--ink-700);
  background: var(--surface-soft);
  font-size: 12px;
}
.service-status strong { color: var(--ink-900); }
.service-status[data-status="SERVICE_NOT_CONFIGURED"] {
  border-color: #efd69c;
  background: var(--amber-100);
}

@media (max-width: 590px) {
  .preview-banner .container {
    min-height: 42px;
    flex-direction: column;
    gap: 1px;
    padding-block: 7px;
  }
}