@charset "UTF-8";
/*
 * 产品落地页样式 · 采购异常处置中心
 * 独立于宿主工作台外壳，可与 favicon / 本地资产一并 file:// 打开
 */

: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: #0f1728;
  --ink-2: #3d4a5c;
  --muted: #6b7686;
  --faint: #9aa4b2;

  --paper: #ffffff;
  --bg: #eef1f6;
  --bg-2: #f7f9fc;
  --line: #dee3ec;

  --navy: #0b1424;
  --navy-2: #101b30;
  --navy-3: #18243c;
  --rail-ink: #c8d2e2;

  --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;
  --teal: #0f8f8a;

  --shadow-1: 0 1px 2px rgba(15, 23, 40, .06);
  --shadow-2: 0 12px 40px rgba(11, 20, 36, .16);
  --shadow-3: 0 28px 80px rgba(11, 20, 36, .28);
  --radius: 14px;
  --radius-sm: 8px;
  --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-2);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

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

/* ===== Top bar ===== */
.lp-skip {
  position: fixed; top: -60px; left: 14px; z-index: 90;
  padding: 9px 15px; border: 1px solid var(--accent); border-radius: var(--radius-sm);
  background: var(--paper); color: var(--accent-dk); font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-2); transition: top .16s;
}
.lp-skip:focus { top: 14px; }

.lp-nav {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(11, 20, 36, .82);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.lp-nav-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 10px 22px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center; gap: 12px 16px;
}
.lp-brand {
  display: flex; align-items: center; gap: 10px; min-width: 0;
  color: #fff; grid-column: 1;
}
.lp-brand:hover { text-decoration: none; }
.lp-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: 0 0 auto;
  background: rgba(47, 77, 192, .28); border: 1px solid rgba(125, 156, 240, .4);
  display: grid; place-items: center; color: #a8bcf5;
}
.lp-mark svg { width: 18px; height: 18px; }
.lp-brand-text { min-width: 0; }
.lp-brand b {
  display: block; font-size: 13.5px; font-weight: 700; letter-spacing: .02em;
  white-space: nowrap;
}
.lp-brand .sub {
  display: block; font-family: var(--num-font); font-size: 10px;
  color: #7b8aa3; letter-spacing: .08em; white-space: nowrap;
}
.lp-nav-links {
  display: flex; align-items: center; gap: 2px; justify-content: center;
  list-style: none; flex-wrap: wrap; grid-column: 2;
}
.lp-nav-links a {
  padding: 8px 11px; border-radius: 7px; font-size: 13px; color: var(--rail-ink);
  min-height: 36px; display: inline-flex; align-items: center;
}
.lp-nav-links a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.lp-nav-actions {
  display: flex; align-items: center; gap: 8px; flex-wrap: nowrap;
  grid-column: 3; justify-self: end;
}

.lp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 40px; padding: 8px 16px; border-radius: 9px;
  font-size: 13.5px; font-weight: 600; border: 1px solid transparent;
  transition: background .14s, border-color .14s, transform .14s, box-shadow .14s;
  white-space: nowrap;
}
.lp-btn:hover { text-decoration: none; }
.lp-btn svg { width: 15px; height: 15px; flex: 0 0 auto; }
.lp-btn-ghost {
  color: #d7e2f8; border-color: rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .04);
}
.lp-btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.lp-btn-primary {
  color: #fff; background: linear-gradient(180deg, #3b5bd4 0%, var(--accent) 100%);
  border-color: #4b6de0; box-shadow: 0 8px 22px rgba(47, 77, 192, .35);
}
.lp-btn-primary:hover { background: var(--accent-dk); transform: translateY(-1px); }
.lp-btn-seal {
  color: #fff; background: linear-gradient(180deg, #7a67df 0%, var(--seal) 100%);
  border-color: #8b79e8; box-shadow: 0 8px 22px rgba(109, 91, 208, .35);
}
.lp-btn-seal:hover { background: #5b49bd; transform: translateY(-1px); }
.lp-btn-lg { min-height: 48px; padding: 12px 20px; font-size: 14.5px; border-radius: 11px; }
.lp-btn-block { width: 100%; }

/* ===== Hero ===== */
.lp-hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 70% 20%, rgba(109, 91, 208, .28), transparent 55%),
    radial-gradient(900px 500px at 15% 80%, rgba(47, 77, 192, .22), transparent 50%),
    linear-gradient(165deg, #070d18 0%, var(--navy) 45%, #121c32 100%);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.lp-hero-grid {
  max-width: var(--max); margin: 0 auto;
  padding: 48px 22px 56px;
  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 11px; border-radius: 999px;
  background: rgba(109, 91, 208, .18); border: 1px solid rgba(160, 144, 245, .35);
  font-family: var(--num-font); font-size: 11px; letter-spacing: .1em; color: #cbbdff;
  margin-bottom: 16px;
}
.lp-kicker i {
  width: 7px; height: 7px; border-radius: 50%; background: #8d7af0;
  box-shadow: 0 0 0 4px rgba(141, 122, 240, .2);
}
.lp-hero h1 {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.22; letter-spacing: -.02em; font-weight: 750;
  max-width: 14em;
  text-wrap: balance;
}
.lp-hero h1 .line2 {
  display: block; margin-top: .12em;
}
.lp-hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #9eb0ff 0%, #c4b5ff 55%, #f0a8a2 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-lede {
  margin-top: 14px; font-size: 15.5px; line-height: 1.75;
  color: #aeb9cc; max-width: 48ch;
}
.lp-hero-cta {
  margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
.lp-hero-note {
  margin-top: 14px; font-size: 12px; color: #7b8aa3; max-width: 52ch; line-height: 1.6;
}
.lp-stats {
  margin-top: 28px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.lp-stat {
  padding: 12px 12px 11px; border-radius: 12px;
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08);
}
.lp-stat .k { font-size: 11px; color: #8b98ad; letter-spacing: .04em; }
.lp-stat .v {
  margin-top: 3px; font-family: var(--num-font); font-size: 18px; font-weight: 700;
  letter-spacing: -.02em;
}
.lp-stat .v.danger { color: #ff8f86; }
.lp-stat .v.seal { color: #cbbdff; }
.lp-stat .v.ok { color: #7ddea8; }

.lp-hero-visual {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-3), 0 0 0 1px rgba(255, 255, 255, .08);
  aspect-ratio: 16 / 10;
  background: #0a1220;
}
.lp-hero-visual picture,
.lp-hero-visual img {
  width: 100%; height: 100%;
}
.lp-hero-visual img {
  object-fit: cover;
  transform: scale(1.06);
  animation: lp-ken 18s ease-in-out infinite alternate;
}
.lp-hero-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7, 13, 24, .55) 100%),
    linear-gradient(90deg, rgba(7, 13, 24, .2), transparent 40%);
  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: 10px;
  background: rgba(11, 20, 36, .78); border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(10px); max-width: min(280px, calc(100% - 28px));
}
.lp-hero-badge b {
  font-family: var(--num-font); font-size: 12px; color: #cbbdff; letter-spacing: .04em;
}
.lp-hero-badge span { font-size: 12px; color: #c8d2e2; line-height: 1.45; }

@keyframes lp-ken {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.12) translate3d(-1.5%, -1%, 0); }
}

/* ===== Sections ===== */
.lp-section {
  max-width: var(--max); margin: 0 auto;
  padding: 56px 22px;
}
.lp-section-hd {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 24px;
  margin-bottom: 22px;
}
.lp-section-hd h2 {
  font-size: clamp(22px, 2.6vw, 28px); letter-spacing: -.02em; line-height: 1.25;
}
.lp-section-hd p { color: var(--muted); font-size: 14px; max-width: 52ch; }
.lp-eyebrow {
  display: block; margin-bottom: 6px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em; color: var(--seal);
}

/* Problem story */
.lp-story {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 16px; align-items: stretch;
}
.lp-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-1);
}
.lp-card-pad { padding: 22px 22px 20px; }
.lp-story-main { border-left: 3px solid var(--danger); }
.lp-story-main h3 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.lp-story-main .body { color: var(--ink-2); font-size: 14.5px; line-height: 1.8; max-width: 62ch; }
.lp-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.lp-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--bg-2); color: var(--ink-2); border: 1px solid var(--line);
}
.lp-chip.danger { background: var(--danger-soft); color: var(--danger); border-color: #f0cdca; }
.lp-chip.warn { background: var(--warn-soft); color: var(--warn); border-color: #f0dfba; }
.lp-chip.seal { background: var(--seal-soft); color: var(--seal); border-color: #ded6f7; }
.lp-chip.ok { background: #e8f5ee; color: var(--ok); border-color: #bfe0cd; }

.lp-meta-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
.lp-meta-list li {
  display: grid; grid-template-columns: 88px minmax(0, 1fr);
  gap: 8px; padding: 11px 0; border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.lp-meta-list li:last-child { border-bottom: none; }
.lp-meta-list dt, .lp-meta-list .k { color: var(--muted); }
.lp-meta-list dd, .lp-meta-list .v { font-weight: 600; word-break: break-all; }
.lp-meta-list .v.u-num { font-weight: 700; }

/* Split visuals */
.lp-visuals {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.lp-visual-card {
  overflow: hidden; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow-1);
}
.lp-visual-card .media {
  aspect-ratio: 4 / 3; overflow: hidden; background: #0f1728;
}
.lp-visual-card .media picture,
.lp-visual-card .media img {
  width: 100%; height: 100%;
}
.lp-visual-card .media img {
  object-fit: cover;
  transition: transform .5s ease;
}
.lp-visual-card:hover .media img { transform: scale(1.04); }
.lp-visual-card .caption { padding: 14px 16px 16px; }
.lp-visual-card .caption h3 { font-size: 15px; margin-bottom: 4px; }
.lp-visual-card .caption p { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* Boundary */
.lp-split {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.lp-bound h3 {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; margin-bottom: 12px;
}
.lp-bound h3 .dot {
  width: 8px; height: 8px; border-radius: 2px; flex: 0 0 auto;
}
.lp-bound.host h3 .dot { background: var(--accent); }
.lp-bound.ext h3 .dot { background: var(--seal); }
.lp-bound ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.lp-bound li {
  position: relative; padding-left: 16px;
  font-size: 13.5px; color: var(--ink-2); line-height: 1.6;
}
.lp-bound li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 7px; height: 7px; border-radius: 2px; background: var(--line);
}
.lp-bound.host li::before { background: var(--accent); }
.lp-bound.ext li::before { background: var(--seal); }

/* Journey */
.lp-journey {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.lp-step {
  position: relative;
  padding: 18px 16px 16px;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-1);
  transition: border-color .14s, transform .14s, box-shadow .14s;
  min-height: 100%;
  display: flex; flex-direction: column; gap: 8px;
}
a.lp-step:hover {
  border-color: #b8c5ef; transform: translateY(-2px);
  box-shadow: var(--shadow-2); text-decoration: none;
}
.lp-step .n {
  font-family: var(--num-font); font-size: 11px; font-weight: 700;
  letter-spacing: .08em; color: var(--faint);
}
.lp-step h3 { font-size: 15.5px; }
.lp-step p { font-size: 13px; color: var(--muted); line-height: 1.65; flex: 1 1 auto; }
.lp-step .go {
  margin-top: 6px; font-size: 12.5px; font-weight: 600; color: var(--accent);
  display: inline-flex; align-items: center; gap: 4px;
}
.lp-step.seal {
  background: linear-gradient(180deg, #f7f4ff 0%, #fff 60%);
  border-color: #ded6f7;
}
.lp-step.seal .go { color: var(--seal); }

/* CTA band */
.lp-cta-band {
  margin: 8px 22px 56px;
  max-width: var(--max); margin-left: auto; margin-right: auto;
  border-radius: 20px; overflow: hidden;
  background:
    radial-gradient(700px 280px at 85% 0%, rgba(109, 91, 208, .35), transparent 55%),
    linear-gradient(135deg, var(--navy-2) 0%, #15223d 50%, #1a1638 100%);
  color: #fff;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(255, 255, 255, .08);
}
.lp-cta-inner {
  padding: 36px 28px;
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px; align-items: center;
}
.lp-cta-band h2 { font-size: clamp(20px, 2.4vw, 26px); letter-spacing: -.02em; }
.lp-cta-band p { margin-top: 8px; color: #aeb9cc; font-size: 14px; max-width: 52ch; line-height: 1.7; }
.lp-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }

/* Footer */
.lp-foot {
  border-top: 1px solid var(--line);
  background: var(--paper);
  padding: 22px;
}
.lp-foot-inner {
  max-width: var(--max); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 12px 24px;
  align-items: flex-start; justify-content: space-between;
  font-size: 12.5px; color: var(--muted); line-height: 1.65;
}
.lp-foot b { color: var(--ink-2); }
.lp-foot .codes { font-family: var(--num-font); font-size: 11.5px; color: var(--faint); }

/* Trust strip */
.lp-trust {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px; margin-top: 18px;
}
.lp-trust-item {
  padding: 14px 14px 13px; border-radius: 12px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.lp-trust-item b { display: block; font-size: 13px; margin-bottom: 3px; }
.lp-trust-item span { font-size: 12px; color: var(--muted); line-height: 1.55; }

/* Mobile nav toggle */
.lp-nav-toggle {
  display: none;
  width: 44px; height: 44px; border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, .14); color: #d7e2f8;
  align-items: center; justify-content: center;
  grid-column: 4; justify-self: end;
}
.lp-nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 1023px) {
  .lp-hero-grid,
  .lp-story,
  .lp-visuals,
  .lp-split,
  .lp-cta-inner { grid-template-columns: minmax(0, 1fr); }
  .lp-journey { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-trust { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-nav { position: sticky; top: 0; }
  .lp-nav-inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    grid-template-areas:
      "brand actions toggle"
      "links links links";
    gap: 8px 10px;
  }
  .lp-brand { grid-area: brand; }
  .lp-nav-actions { grid-area: actions; }
  .lp-nav-toggle { display: inline-flex; grid-area: toggle; }
  .lp-nav-links {
    display: none;
    grid-area: links;
    justify-content: stretch;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 6px 0 4px;
    border-top: 1px solid rgba(255, 255, 255, .08);
  }
  .lp-nav-links.is-open { display: flex; }
  .lp-nav-links a { min-height: 44px; padding: 10px 12px; }
  .lp-cta-actions { justify-content: flex-start; }
  .lp-section-hd { flex-direction: column; align-items: flex-start; }
  .lp-hero-visual { order: -1; max-width: 520px; margin: 0 auto; width: 100%; }
  .lp-hero-grid { gap: 22px; }
}

@media (max-width: 640px) {
  .lp-section { padding: 36px 16px; }
  .lp-hero-grid { padding: 24px 16px 36px; }
  .lp-journey { grid-template-columns: minmax(0, 1fr); }
  .lp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .lp-stat .v { font-size: 16px; }
  .lp-trust { grid-template-columns: minmax(0, 1fr); }
  .lp-nav-inner { padding: 10px 12px; gap: 6px; }
  .lp-brand b { font-size: 12.5px; }
  .lp-brand .sub { display: none; }
  .lp-nav-actions .lp-btn-ghost { display: none; }
  .lp-nav-actions .lp-btn { min-height: 36px; padding: 6px 11px; font-size: 12.5px; }
  .lp-cta-band { margin: 0 16px 36px; border-radius: 16px; }
  .lp-cta-inner { padding: 24px 18px; }
  .lp-btn-lg { width: 100%; }
  .lp-hero-cta { flex-direction: column; align-items: stretch; }
  .lp-hero h1 { font-size: 25px; max-width: none; }
}

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