@charset "UTF-8";
/*
 * 合同审查审批台 · 产品落地页
 * 独立于工作台 styles.css，可离线打开，无外部字体/CDN
 */

:root {
  --ui-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --num-font: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --ink: #0e1726;
  --ink-2: #3d4a5c;
  --muted: #6b7686;
  --faint: #9aa4b2;
  --paper: #ffffff;
  --bg: #f4f6fb;
  --bg-deep: #0b1424;
  --line: #dee3ec;
  --accent: #2f4dc0;
  --accent-dk: #23399a;
  --accent-soft: #ebeefb;
  --seal: #6d5bd0;
  --seal-soft: #f0edfb;
  --danger: #c2352b;
  --danger-soft: #fceceb;
  --warn: #b7791f;
  --warn-soft: #fdf4e3;
  --ok: #197a4b;
  --shadow-1: 0 1px 2px rgba(14, 23, 38, .06);
  --shadow-2: 0 12px 40px rgba(11, 20, 36, .14);
  --shadow-3: 0 28px 80px rgba(11, 20, 36, .28);
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--ui-font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.u-sr {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.u-num { font-family: var(--num-font); font-variant-numeric: tabular-nums; }

.skip-link {
  position: fixed; top: -60px; left: 14px; z-index: 100;
  padding: 10px 16px; border-radius: 8px; background: #fff; color: var(--accent-dk);
  font-weight: 600; box-shadow: var(--shadow-2); border: 1px solid var(--accent);
}
.skip-link:focus { top: 14px; text-decoration: none; }

/* ---------- top bar ---------- */
.lp-top {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, .86);
  border-bottom: 1px solid rgba(222, 227, 236, .9);
}
.lp-top-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 12px 22px;
  display: flex; align-items: center; gap: 18px;
}
.lp-brand {
  display: flex; align-items: center; gap: 10px; color: inherit; flex: 0 0 auto;
}
.lp-brand:hover { text-decoration: none; }
.lp-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(145deg, #1a2744, #101b30);
  display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px rgba(125, 156, 240, .35);
}
.lp-mark svg { width: 18px; height: 18px; color: #a8bcf5; stroke: currentColor; fill: none; stroke-width: 1.7; }
.lp-brand b { display: block; font-size: 14px; font-weight: 700; letter-spacing: .01em; }
.lp-brand span { display: block; font-size: 11px; color: var(--muted); font-family: var(--num-font); letter-spacing: .06em; }
.lp-nav {
  display: flex; align-items: center; gap: 4px; flex: 1 1 auto; justify-content: center;
  list-style: none; flex-wrap: wrap;
}
.lp-nav a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 4px 12px;
  border-radius: 999px; color: var(--ink-2); font-size: 13.5px; font-weight: 500;
}
.lp-nav a:hover { background: var(--accent-soft); color: var(--accent-dk); text-decoration: none; }
.lp-top-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper);
  font-size: 13.5px; font-weight: 600; color: var(--ink-2); white-space: nowrap;
  transition: transform .15s, box-shadow .15s, background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, #3a5ad0, var(--accent));
  border-color: transparent; color: #fff;
  box-shadow: 0 8px 22px rgba(47, 77, 192, .28);
}
.btn-primary:hover { color: #fff; background: linear-gradient(180deg, #2f4dc0, var(--accent-dk)); }
.btn-seal {
  background: linear-gradient(180deg, #7d6ae0, var(--seal));
  border-color: transparent; color: #fff;
  box-shadow: 0 8px 22px rgba(109, 91, 208, .28);
}
.btn-seal:hover { color: #fff; background: linear-gradient(180deg, #6d5bd0, #5b49bd); }
.btn-ghost {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.34);
  color: #fff;
}
.btn-ghost:hover {
  background: rgba(255,255,255,.14);
  color: #fff;
  border-color: rgba(255,255,255,.62);
}
/* light surfaces: outline ghost */
.btn-ghost-ink {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-2);
}
.btn-ghost-ink:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.btn-lg { min-height: 48px; padding: 12px 22px; font-size: 14.5px; }
.btn svg { width: 15px; height: 15px; flex: 0 0 auto; }

/* ---------- hero ---------- */
.lp-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 520px at 75% 10%, rgba(109, 91, 208, .28), transparent 60%),
    radial-gradient(900px 480px at 15% 80%, rgba(47, 77, 192, .22), transparent 55%),
    linear-gradient(165deg, #0a1220 0%, #121d34 48%, #0c1526 100%);
  color: #e8eefc;
}
.lp-hero-grid {
  max-width: var(--max); margin: 0 auto;
  padding: 56px 22px 64px;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 36px; align-items: center;
}
.lp-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  font-size: 12px; font-weight: 600; letter-spacing: .04em; color: #b9c7e8;
  margin-bottom: 18px;
}
.lp-kicker i {
  width: 7px; height: 7px; border-radius: 50%; background: #38c172;
  box-shadow: 0 0 0 4px rgba(56, 193, 114, .18);
}
.lp-hero h1 {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.18; letter-spacing: -.02em; font-weight: 700;
  margin-bottom: 16px; color: #fff;
}
.lp-hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #c4b5fd 0%, #93b4ff 55%, #a5b4fc 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-lede {
  font-size: 16px; line-height: 1.75; color: #b6c3dd; max-width: 48ch; margin-bottom: 24px;
}
.lp-cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.lp-meta {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  font-size: 12.5px; color: #8fa0bf;
}
.lp-meta b { color: #d7e2f8; font-weight: 600; }

.lp-hero-visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-3), 0 0 0 1px rgba(168, 188, 245, .18);
  aspect-ratio: 16 / 10;
  background: #0a1220;
  isolation: isolate;
}
.lp-hero-visual picture,
.lp-split-media picture {
  display: block; width: 100%; height: 100%;
}
.lp-hero-visual img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04);
  animation: hero-drift 18s ease-in-out infinite alternate;
}
.lp-hero-visual::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, transparent 40%, rgba(8, 14, 28, .55) 100%),
    radial-gradient(circle at 30% 20%, rgba(125, 106, 224, .18), transparent 45%);
  pointer-events: none;
}
.lp-hero-badge {
  position: absolute; left: 14px; bottom: 14px; z-index: 2;
  display: flex; flex-direction: column; gap: 4px;
  padding: 10px 12px; border-radius: 12px;
  background: rgba(10, 16, 30, .72); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.12); color: #dbe5fb;
  font-size: 12px; max-width: min(280px, 80%);
}
.lp-hero-badge strong { font-size: 12.5px; color: #fff; }
.lp-float-chip {
  position: absolute; z-index: 2; right: 14px; top: 14px;
  padding: 7px 11px; border-radius: 999px;
  background: rgba(109, 91, 208, .88); color: #fff;
  font-size: 11.5px; font-weight: 700; letter-spacing: .04em;
  box-shadow: 0 10px 24px rgba(0,0,0,.28);
  animation: chip-float 4.5s ease-in-out infinite;
}
@keyframes hero-drift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ---------- sections ---------- */
.lp-section { padding: 72px 22px; }
.lp-section-inner { max-width: var(--max); margin: 0 auto; }
.lp-section-hd { max-width: 640px; margin-bottom: 28px; }
.lp-section-hd .eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--seal); margin-bottom: 8px;
}
.lp-section-hd h2 {
  font-size: clamp(24px, 3vw, 32px); line-height: 1.25; letter-spacing: -.015em; margin-bottom: 10px;
}
.lp-section-hd p { color: var(--muted); font-size: 15px; }

.lp-stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
  margin: -36px auto 0; position: relative; z-index: 3;
  max-width: var(--max); padding: 0 22px;
}
.lp-stat {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 16px; box-shadow: var(--shadow-1);
}
.lp-stat .v {
  font-family: var(--num-font); font-size: 28px; font-weight: 700; letter-spacing: -.02em;
  color: var(--ink); line-height: 1.1; margin-bottom: 4px;
}
.lp-stat .l { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.lp-stat .h { font-size: 11.5px; color: var(--faint); margin-top: 6px; line-height: 1.45; }

/* cards / grids */
.lp-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.lp-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lp-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px; box-shadow: var(--shadow-1);
  display: flex; flex-direction: column; gap: 10px;
  transition: transform .16s, box-shadow .16s, border-color .16s;
}
.lp-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: #cdd5ea; text-decoration: none;
}
a.lp-card { color: inherit; }
.lp-card .ic {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-dk);
}
.lp-card .ic.seal { background: var(--seal-soft); color: var(--seal); }
.lp-card .ic.warn { background: var(--warn-soft); color: var(--warn); }
.lp-card .ic.ok { background: #e8f5ee; color: var(--ok); }
.lp-card .ic svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.lp-card h3 { font-size: 16px; font-weight: 700; }
.lp-card p { font-size: 13.5px; color: var(--muted); line-height: 1.65; flex: 1 1 auto; }
.lp-card .more {
  font-size: 13px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 4px;
}

.lp-split {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 28px; align-items: center;
}
.lp-split.reverse { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); }
.lp-split.reverse .lp-split-media { order: -1; }
.lp-split-media {
  border-radius: 20px; overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow-2); background: #101b30;
  aspect-ratio: 16 / 10;
}
.lp-split-media img { width: 100%; height: 100%; object-fit: cover; }
.lp-checklist { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.lp-checklist li {
  position: relative; padding-left: 28px; font-size: 14px; color: var(--ink-2); line-height: 1.55;
}
.lp-checklist li::before {
  content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 5px;
  background: var(--ok); box-shadow: inset 0 0 0 3px #e8f5ee;
}
.lp-checklist.seal li::before { background: var(--seal); box-shadow: inset 0 0 0 3px var(--seal-soft); }

/* sample contract strip */
.lp-sample {
  background: linear-gradient(135deg, #101b30 0%, #1a2748 55%, #2a1f52 100%);
  color: #dbe5fb; border-radius: 22px; padding: 28px;
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 22px;
  box-shadow: var(--shadow-2); border: 1px solid rgba(168, 188, 245, .16);
}
.lp-sample h3 { font-size: 20px; color: #fff; margin: 8px 0 8px; }
.lp-sample .id { font-family: var(--num-font); font-size: 12px; color: #9db0d6; letter-spacing: .04em; }
.lp-sample p { color: #b6c3dd; font-size: 14px; max-width: 54ch; }
.lp-sample-facts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.lp-sample-facts div {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px; padding: 12px;
}
.lp-sample-facts dt { font-size: 11px; color: #8fa0bf; margin-bottom: 3px; }
.lp-sample-facts dd { font-size: 13.5px; color: #fff; font-weight: 600; }
.risk-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.risk-pill {
  font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 999px;
  background: rgba(194, 53, 43, .16); color: #ffb4ae; border: 1px solid rgba(255, 160, 150, .25);
}

/* risk callout */
.lp-callout {
  display: grid; grid-template-columns: auto 1fr; gap: 14px;
  padding: 18px 20px; border-radius: 16px;
  background: var(--warn-soft); border: 1px solid #f0dfba; color: #7a5312;
}
.lp-callout.danger { background: var(--danger-soft); border-color: #f0cdca; color: #8c2620; }
.lp-callout.seal { background: var(--seal-soft); border-color: #ded6f7; color: #3f3374; }
.lp-callout svg { width: 20px; height: 20px; margin-top: 2px; flex: 0 0 auto; }
.lp-callout strong { display: block; margin-bottom: 4px; font-size: 14px; }
.lp-callout p { font-size: 13.5px; line-height: 1.65; }

/* role chips */
.lp-roles { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.lp-role {
  display: flex; flex-direction: column; gap: 2px;
  min-width: 120px; padding: 12px 14px; border-radius: 14px;
  background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow-1);
}
.lp-role b { font-size: 13.5px; }
.lp-role span { font-size: 11.5px; color: var(--muted); max-width: 14ch; line-height: 1.4; }

/* footer CTA */
.lp-footer-cta {
  padding: 0 22px 80px;
}
.lp-footer-cta-inner {
  max-width: var(--max); margin: 0 auto;
  border-radius: 24px; padding: 42px 32px;
  background:
    radial-gradient(600px 240px at 80% 0%, rgba(109, 91, 208, .35), transparent 60%),
    linear-gradient(135deg, #101b30, #172a48 60%, #1e1638);
  color: #dbe5fb; text-align: center;
  border: 1px solid rgba(168, 188, 245, .14);
  box-shadow: var(--shadow-2);
}
.lp-footer-cta-inner h2 { color: #fff; font-size: clamp(22px, 3vw, 30px); margin-bottom: 10px; }
.lp-footer-cta-inner p { color: #b6c3dd; max-width: 48ch; margin: 0 auto 22px; }
.lp-footer-cta-inner .lp-cta-row { justify-content: center; }

.lp-foot {
  border-top: 1px solid var(--line); padding: 22px;
  background: var(--paper);
}
.lp-foot-inner {
  max-width: var(--max); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between;
  font-size: 12.5px; color: var(--muted);
}
.lp-foot a { color: var(--ink-2); font-weight: 600; }

@media (max-width: 980px) {
  .lp-hero-grid, .lp-split, .lp-split.reverse, .lp-sample { grid-template-columns: 1fr; }
  .lp-split.reverse .lp-split-media { order: 0; }
  .lp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 18px; }
  .lp-grid-3 { grid-template-columns: 1fr; }
  .lp-nav { display: none; }
}
@media (max-width: 560px) {
  .lp-stats, .lp-grid-2, .lp-sample-facts { grid-template-columns: 1fr; }
  .lp-top-inner { padding: 10px 14px; gap: 10px; }
  .lp-brand span span { display: none; }
  .lp-top-actions .btn:not(.btn-seal) { display: none; }
  .lp-hero-grid { padding: 32px 16px 44px; gap: 22px; }
  .lp-hero h1 { font-size: 28px; }
  .lp-lede { font-size: 14.5px; }
  .lp-cta-row .btn-lg { width: 100%; }
  .lp-section { padding: 44px 16px; }
  .lp-footer-cta { padding: 0 16px 56px; }
  .lp-footer-cta-inner { padding: 32px 18px; }
  .lp-sample { padding: 20px; }
  .lp-hero-badge { max-width: calc(100% - 28px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .lp-hero-visual img, .lp-float-chip { animation: none !important; }
  .btn:hover, .lp-card:hover { transform: none; }
}