@charset "UTF-8";
/*
 * 产品落地页 · ADMS 公文执行管理台
 * 独立于宿主工作台样式，离线、无 CDN
 */

:root {
  --ink: #0e1624;
  --ink-2: #2c3a4f;
  --muted: #6b7686;
  --faint: #93a0b2;
  --paper: #ffffff;
  --cream: #f7f4ee;
  --bg: #0b1220;
  --bg-2: #121b2e;
  --bg-3: #18233a;
  --line: rgba(255, 255, 255, .1);
  --line-soft: rgba(255, 255, 255, .06);
  --accent: #5b7cfa;
  --accent-2: #8ea4ff;
  --seal: #8b7cf0;
  --red: #c4453a;
  --ok: #3dbf7a;
  --warn: #e0a34a;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 64px rgba(0, 0, 0, .45);
  --max: 1120px;
}

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

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

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: #e8edf7;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; height: auto; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 4px; }

.u-sr {
  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; top: -60px; left: 16px; z-index: 100;
  padding: 10px 16px; border-radius: 8px; background: var(--paper); color: var(--ink);
  font-weight: 600; box-shadow: var(--shadow);
}
.skip-link:focus { top: 16px; text-decoration: none; }

/* ——— Top bar ——— */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 28px;
  background: rgba(11, 18, 32, .72);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line-soft);
}
.brand {
  display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none;
  min-width: 0; flex: 0 1 auto;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px; flex: 0 0 auto;
  background: linear-gradient(145deg, rgba(91, 124, 250, .35), rgba(139, 124, 240, .25));
  border: 1px solid rgba(142, 164, 255, .4);
  display: grid; place-items: center;
}
.brand-mark svg { width: 20px; height: 20px; color: #c5d0ff; }
.brand-text b { display: block; font-size: 14px; font-weight: 700; letter-spacing: .02em; }
.brand-text > span { display: block; font-size: 11px; color: var(--faint); font-family: var(--mono); letter-spacing: .06em; }

.top-nav {
  display: flex; align-items: center; gap: 4px; list-style: none;
}
.top-nav a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px;
  border-radius: 8px; color: #c5d0e0; font-size: 13.5px; font-weight: 500;
}
.top-nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; text-decoration: none; }

.top-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--line); color: #d7e0f0;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ——— Buttons ——— */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 10px;
  font-size: 14px; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent; transition: transform .15s, background .15s, border-color .15s, box-shadow .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 16px; height: 16px; flex: 0 0 auto; }
.btn-primary {
  background: linear-gradient(180deg, #6b88ff 0%, #4f6ef0 100%);
  color: #fff; box-shadow: 0 8px 24px rgba(79, 110, 240, .35);
}
.btn-primary:hover { box-shadow: 0 12px 28px rgba(79, 110, 240, .45); }
.btn-ghost {
  background: rgba(255, 255, 255, .06); border-color: var(--line); color: #e8edf7;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .18); }
.btn-seal {
  background: linear-gradient(180deg, #9b8cf5 0%, #7463d8 100%);
  color: #fff; box-shadow: 0 8px 24px rgba(116, 99, 216, .35);
}
.btn-sm { min-height: 36px; padding: 0 13px; font-size: 13px; border-radius: 8px; }

/* ——— Hero ——— */
.hero {
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: flex-end;
  padding: 120px 28px 72px; overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0; z-index: 0;
}
.hero-media picture,
.hero-media img {
  width: 100%; height: 100%;
}
.hero-media img {
  object-fit: cover; object-position: center 40%;
  transform: scale(1.06);
  animation: hero-drift 22s ease-in-out infinite alternate;
}
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 12, 22, .55) 0%, rgba(8, 12, 22, .25) 35%, rgba(8, 12, 22, .82) 78%, var(--bg) 100%),
    linear-gradient(90deg, rgba(8, 12, 22, .7) 0%, rgba(8, 12, 22, .15) 55%, rgba(8, 12, 22, .45) 100%);
}
@keyframes hero-drift {
  from { transform: scale(1.06) translate3d(0, 0, 0); }
  to { transform: scale(1.12) translate3d(-1.5%, -1%, 0); }
}

.hero-inner {
  position: relative; z-index: 1; width: min(var(--max), 100%);
  margin: 0 auto; display: grid; gap: 28px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(139, 124, 240, .16); border: 1px solid rgba(139, 124, 240, .35);
  font-size: 12px; font-weight: 600; color: #d4ccff; letter-spacing: .04em;
}
.hero-badge i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 0 4px rgba(61, 191, 122, .2);
}
.hero h1 {
  max-width: 16ch;
  font-size: clamp(32px, 5.2vw, 52px);
  line-height: 1.15; font-weight: 750; letter-spacing: -.02em;
  color: #fff;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #9eb0ff 0%, #c4b5ff 50%, #f0d5c8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede {
  max-width: 52ch; font-size: 16.5px; line-height: 1.75; color: #b8c4d8;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { font-size: 12.5px; color: var(--faint); max-width: 48ch; line-height: 1.55; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
  margin-top: 8px; max-width: 640px;
}
.stat {
  padding: 14px 14px 12px; border-radius: 12px;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.stat b {
  display: block; font-family: var(--mono); font-size: 22px; font-weight: 700;
  color: #fff; letter-spacing: -.02em; line-height: 1.2;
}
.stat span { display: block; margin-top: 2px; font-size: 11.5px; color: var(--faint); }

/* ——— Sections ——— */
.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto; padding: 72px 0;
}
.section-head {
  display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between;
  gap: 16px; margin-bottom: 28px;
}
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 8px;
}
.section h2 {
  font-size: clamp(24px, 3vw, 32px); line-height: 1.25; font-weight: 720; color: #fff;
  letter-spacing: -.015em; max-width: 22ch;
}
.section-lede { max-width: 46ch; color: #9aa8bd; font-size: 14.5px; line-height: 1.7; }

/* Problem / solution strip */
.problem {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  border-block: 1px solid var(--line-soft);
}
.problem .section { padding-block: 64px; }
.split {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: stretch;
}
.panel {
  border-radius: var(--radius); border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03); overflow: hidden;
}
.panel-hd {
  padding: 18px 20px 14px; border-bottom: 1px solid var(--line-soft);
}
.panel-hd h3 { font-size: 16px; font-weight: 700; color: #fff; }
.panel-hd p { margin-top: 4px; font-size: 13px; color: var(--faint); }
.panel-bd { padding: 18px 20px 20px; }
.pain-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.pain-list li {
  display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start;
  padding: 12px 14px; border-radius: 12px; background: rgba(196, 69, 58, .08);
  border: 1px solid rgba(196, 69, 58, .16);
}
.pain-list .num {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  font-family: var(--mono); font-size: 12px; font-weight: 700; color: #ffb4ad;
  background: rgba(196, 69, 58, .18);
}
.pain-list strong { display: block; font-size: 14px; color: #f0d8d5; margin-bottom: 2px; }
.pain-list span { font-size: 13px; color: #b59a97; line-height: 1.55; }

.gain-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.gain-list li {
  display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start;
  padding: 12px 14px; border-radius: 12px; background: rgba(91, 124, 250, .08);
  border: 1px solid rgba(91, 124, 250, .16);
}
.gain-list .ico {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(91, 124, 250, .18); color: #b7c6ff;
}
.gain-list .ico svg { width: 15px; height: 15px; }
.gain-list strong { display: block; font-size: 14px; color: #e4eaff; margin-bottom: 2px; }
.gain-list span { font-size: 13px; color: #9aa8c4; line-height: 1.55; }

/* Features */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px;
}
a.feature {
  position: relative; padding: 22px 20px 20px; border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02));
  border: 1px solid var(--line); min-height: 190px; color: inherit;
  text-decoration: none; display: block;
  transition: border-color .18s, transform .18s, background .18s;
}
a.feature:hover {
  border-color: rgba(142, 164, 255, .35); transform: translateY(-2px); text-decoration: none;
  background: linear-gradient(165deg, rgba(91, 124, 250, .1), rgba(255, 255, 255, .03));
}
a.feature:hover .f-meta { color: var(--accent-2); }
.feature .f-ico {
  width: 40px; height: 40px; border-radius: 12px; margin-bottom: 14px;
  display: grid; place-items: center;
  background: rgba(139, 124, 240, .14); border: 1px solid rgba(139, 124, 240, .28);
  color: #cfc4ff;
}
.feature .f-ico svg { width: 20px; height: 20px; }
.feature h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: #9aa8bd; line-height: 1.65; }
.feature .f-meta {
  margin-top: 14px; font-family: var(--mono); font-size: 11px; color: var(--faint);
  letter-spacing: .04em;
}

/* Showcase */
.showcase {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; align-items: center;
}
.showcase-visual {
  position: relative; border-radius: calc(var(--radius) + 4px); overflow: hidden;
  border: 1px solid rgba(142, 164, 255, .22); box-shadow: var(--shadow); aspect-ratio: 16 / 10;
  background:
    radial-gradient(circle at 70% 40%, rgba(139, 124, 240, .2), transparent 55%),
    var(--bg-3);
}
.showcase-visual picture,
.showcase-visual img {
  width: 100%; height: 100%;
}
.showcase-visual img {
  object-fit: cover; object-position: center 45%;
}
.showcase-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(11, 18, 32, .35) 100%);
  pointer-events: none;
}
.showcase-card {
  padding: 8px 0 0;
}
.showcase-card h3 {
  font-size: 22px; font-weight: 720; color: #fff; margin-bottom: 10px; letter-spacing: -.01em;
}
.showcase-card > p { color: #9aa8bd; font-size: 14.5px; margin-bottom: 18px; line-height: 1.7; }
.meta-chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: rgba(255, 255, 255, .06); border: 1px solid var(--line); color: #d5deef;
}
.chip.seal { background: rgba(139, 124, 240, .14); border-color: rgba(139, 124, 240, .32); color: #d6ceff; }
.chip.warn { background: rgba(224, 163, 74, .12); border-color: rgba(224, 163, 74, .28); color: #f0d2a0; }
.chip.ok { background: rgba(61, 191, 122, .12); border-color: rgba(61, 191, 122, .28); color: #a8ecc8; }
.dl-mini {
  display: grid; grid-template-columns: 88px 1fr; gap: 8px 12px;
  font-size: 13px; margin-bottom: 20px;
}
.dl-mini dt { color: var(--faint); }
.dl-mini dd { color: #e2e8f4; font-family: var(--mono); font-size: 12.5px; word-break: break-all; }

/* Boundary */
.boundary-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.bound {
  padding: 22px; border-radius: var(--radius); border: 1px solid var(--line);
}
.bound.host { background: rgba(91, 124, 250, .07); border-color: rgba(91, 124, 250, .22); }
.bound.ext { background: rgba(139, 124, 240, .08); border-color: rgba(139, 124, 240, .24); }
.bound h3 {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 12px;
}
.bound h3 span {
  font-size: 10.5px; font-family: var(--mono); letter-spacing: .08em;
  padding: 2px 7px; border-radius: 4px; font-weight: 600;
}
.bound.host h3 span { background: rgba(91, 124, 250, .2); color: #b9c8ff; }
.bound.ext h3 span { background: rgba(139, 124, 240, .22); color: #d2c8ff; }
.bound ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.bound li {
  position: relative; padding-left: 16px; font-size: 13.5px; color: #aebacc; line-height: 1.55;
}
.bound li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 7px; height: 7px; border-radius: 2px;
}
.bound.host li::before { background: var(--accent); }
.bound.ext li::before { background: var(--seal); }

/* Roles */
.role-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
}
.role {
  padding: 14px 14px 13px; border-radius: 12px;
  background: rgba(255, 255, 255, .03); border: 1px solid var(--line-soft);
}
.role b { display: block; font-size: 13.5px; color: #fff; margin-bottom: 4px; }
.role span { font-size: 12.5px; color: #8e9bb0; line-height: 1.5; }

/* CTA band */
.cta-band {
  position: relative; overflow: hidden;
  margin: 20px auto 0; width: min(var(--max), calc(100% - 48px));
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(142, 164, 255, .28);
  background:
    radial-gradient(600px 240px at 10% 0%, rgba(91, 124, 250, .28), transparent 60%),
    radial-gradient(500px 220px at 90% 100%, rgba(139, 124, 240, .22), transparent 55%),
    linear-gradient(160deg, #151f35 0%, #0f1728 100%);
  padding: 40px 36px;
  display: grid; grid-template-columns: 1.2fr auto; gap: 24px; align-items: center;
}
.cta-band h2 { font-size: 26px; color: #fff; margin-bottom: 8px; letter-spacing: -.015em; }
.cta-band p { color: #a8b4c8; font-size: 14.5px; max-width: 48ch; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }

/* Footer */
.footer {
  margin-top: 56px; padding: 28px 28px 40px;
  border-top: 1px solid var(--line-soft);
  color: var(--faint); font-size: 12.5px;
}
.footer-inner {
  width: min(var(--max), 100%); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: start;
}
.footer strong { color: #c5d0e0; font-weight: 600; }
.footer a { color: #aebcd4; }
.disclaimer {
  margin-top: 14px; max-width: 72ch; line-height: 1.65;
  padding: 12px 14px; border-radius: 10px;
  background: rgba(224, 163, 74, .08); border: 1px solid rgba(224, 163, 74, .18);
  color: #d8c09a; font-size: 12px;
}

/* Feature visual strip */
.feature-visual {
  margin-top: 22px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at center, rgba(91, 124, 250, .12), transparent 65%),
    var(--bg-3);
  aspect-ratio: 16 / 9; max-height: 360px;
  display: grid; place-items: center;
}
.feature-visual picture {
  width: 100%; height: 100%; display: grid; place-items: center;
}
.feature-visual img {
  width: 100%; height: 100%; object-fit: contain; object-position: center;
  padding: 8px 12px;
}

/* Responsive */
@media (max-width: 1023px) {
  .top-nav { display: none; }
  .topbar.is-open .top-nav {
    display: flex; position: absolute; left: 12px; right: 12px; top: 64px;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 10px; border-radius: 12px;
    background: rgba(18, 27, 46, .96); border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .top-nav a { min-height: 44px; }
  .nav-toggle { display: inline-flex; }
  .split, .showcase, .boundary-grid, .cta-band { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .role-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .cta-band .actions { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .topbar { padding: 12px 14px; }
  .top-ext { display: none; }
  .hero { padding: 100px 16px 48px; }
  .section { width: calc(100% - 32px); padding: 52px 0; }
  .feature-grid, .role-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .cta-band { width: calc(100% - 32px); padding: 28px 20px; }
  .brand .brand-text { display: none !important; }
  .brand-mark { width: 40px; height: 40px; }
  .hero-cta .btn { width: 100%; }
  .feature-visual { aspect-ratio: 1 / 1; max-height: none; }
  .feature-visual img { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media img { animation: none; transform: none; }
  .btn, a.feature { transition: none; }
  .btn:hover, a.feature:hover { transform: none; }
}

@media print {
  .topbar, .skip-link, .nav-toggle { display: none !important; }
  body { background: #fff; color: #111; }
  .hero { min-height: auto; padding: 24px 0; color: #111; }
  .hero-media { display: none; }
  .hero h1, .section h2, .feature h3 { color: #111; }
  .panel, .feature, .bound, .cta-band { break-inside: avoid; border-color: #ccc; background: #fff; color: #222; }
}