@charset "UTF-8";
/*
 * 设备复机执行中心 · 落地页
 * 与宿主共享设计令牌气质，但不使用侧栏外壳
 */

: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: #0e1624;
  --ink-2: #2a3548;
  --muted: #6b7686;
  --faint: #9aa4b2;
  --paper: #ffffff;
  --bg: #f4f6fa;
  --line: #dde3ee;

  --rail: #0b1324;
  --rail-2: #101b30;
  --accent: #2f4dc0;
  --accent-soft: #e8ecfb;
  --seal: #6d5bd0;
  --seal-soft: #f0edfb;
  --danger: #c2352b;
  --warn: #b7791f;
  --ok: #197a4b;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-1: 0 1px 2px rgba(14, 22, 36, .06);
  --shadow-2: 0 12px 40px rgba(11, 20, 36, .16);
  --shadow-3: 0 24px 64px rgba(11, 20, 36, .28);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
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, picture { display: block; max-width: 100%; }
picture { width: 100%; height: 100%; }
picture img { width: 100%; height: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
: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; }
.u-id { font-family: var(--num-font); font-size: 12px; letter-spacing: .02em; color: var(--muted); }
.lp-nowrap { white-space: nowrap; }

/* ----- top bar ----- */
.lp-top {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 28px;
  background: rgba(11, 19, 36, .72);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.lp-brand {
  display: flex; align-items: center; gap: 10px; min-width: 0;
  color: #fff;
}
.lp-brand:hover { text-decoration: none; }
.lp-mark {
  width: 36px; height: 36px; border-radius: 9px; flex: 0 0 auto;
  background: linear-gradient(145deg, rgba(79, 112, 220, .45), rgba(109, 91, 208, .35));
  border: 1px solid rgba(168, 188, 245, .55);
  display: grid; place-items: center; box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.lp-mark svg { width: 18px; height: 18px; color: #d7e2ff; stroke: currentColor; }
.lp-brand b { display: block; font-size: 14px; font-weight: 700; letter-spacing: .02em; }
.lp-brand span {
  display: block; font-family: var(--num-font); font-size: 10.5px;
  color: #7b8aa3; letter-spacing: .08em;
}
.lp-top-nav {
  display: flex; align-items: center; gap: 4px; margin-left: 18px; flex: 1 1 auto;
}
.lp-top-nav a {
  color: #c8d2e2; font-size: 13px; font-weight: 500;
  padding: 8px 12px; border-radius: 7px; min-height: 40px;
  display: inline-flex; align-items: center;
}
.lp-top-nav a:hover { background: rgba(255, 255, 255, .08); color: #fff; text-decoration: none; }
.lp-top-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.lp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 40px; padding: 8px 16px; border-radius: 8px;
  font-size: 13.5px; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s, transform .15s;
}
.lp-btn:hover { text-decoration: none; transform: translateY(-1px); }
.lp-btn-ghost {
  color: #d7e0f0; border-color: rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .04);
}
.lp-btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.lp-btn-seal { background: var(--seal); color: #fff; border-color: var(--seal); }
.lp-btn-seal:hover { background: #5b49bd; border-color: #5b49bd; color: #fff; }
.lp-btn-primary { background: #fff; color: var(--rail); }
.lp-btn-primary:hover { background: #eef2ff; color: var(--accent); }
.lp-btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.lp-btn-accent:hover { background: #23399a; border-color: #23399a; color: #fff; }
.lp-btn-lg { min-height: 48px; padding: 12px 22px; font-size: 15px; border-radius: 10px; }
.lp-btn svg { width: 16px; height: 16px; flex: 0 0 auto; }

/* ----- hero ----- */
.lp-hero {
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; overflow: hidden;
  color: #fff; background: var(--rail);
  padding-top: 64px; padding-bottom: 88px;
}
.lp-hero-media {
  position: absolute; inset: 0; overflow: hidden;
}
.lp-hero-media picture,
.lp-hero-media img {
  width: 100%; height: 100%;
}
.lp-hero-media img {
  object-fit: cover; object-position: 58% 42%;
  transform: scale(1.08);
  animation: kenburns 18s ease-in-out infinite alternate;
}
@keyframes kenburns {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.12) translate3d(-1.6%, -1.2%, 0); }
}
.lp-hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 12, 22, .62) 0%, rgba(8, 12, 22, .28) 36%, rgba(8, 12, 22, .62) 68%, rgba(8, 12, 22, .94) 100%),
    linear-gradient(105deg, rgba(8, 12, 22, .78) 0%, rgba(8, 12, 22, .35) 48%, rgba(8, 12, 22, .5) 100%);
}
.lp-hero-content {
  position: relative; z-index: 2; width: min(1120px, 100%);
  padding: 36px 28px 28px; margin: 0 auto;
}
.lp-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(109, 91, 208, .22); border: 1px solid rgba(168, 154, 245, .35);
  font-family: var(--num-font); font-size: 11.5px; font-weight: 600;
  letter-spacing: .08em; color: #d4ccff; margin-bottom: 18px;
}
.lp-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%; background: #6ee7a0;
  box-shadow: 0 0 0 4px rgba(110, 231, 160, .18);
}
.lp-hero h1 {
  font-size: clamp(34px, 5.4vw, 54px);
  font-weight: 760; letter-spacing: -.025em; line-height: 1.14;
  max-width: 14ch; margin-bottom: 18px;
  text-wrap: balance;
}
.lp-hero-lede {
  font-size: clamp(15px, 1.6vw, 18px); line-height: 1.75;
  color: #c5d0e2; max-width: 42ch; margin-bottom: 28px;
}
.lp-hero-lede .lp-nowrap {
  color: #e8eef8; font-weight: 650;
}
.lp-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.lp-hero-meta {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.lp-hero-meta div { min-width: 0; }
.lp-hero-meta dt {
  font-size: 10.5px; letter-spacing: .1em; color: #7f8da3; margin-bottom: 2px;
}
.lp-hero-meta dd {
  font-family: var(--num-font); font-size: 13.5px; font-weight: 600; color: #e8eef8;
}

/* ----- sections ----- */
.lp-section { padding: 72px 28px; }
.lp-section-inner { width: min(1120px, 100%); margin: 0 auto; }
.lp-section-hd { margin-bottom: 28px; max-width: 58ch; }
.lp-section-hd .kicker {
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em;
  color: var(--seal); margin-bottom: 8px;
}
.lp-section-hd h2 {
  font-size: clamp(24px, 3vw, 32px); font-weight: 740; letter-spacing: -.015em;
  line-height: 1.25; margin-bottom: 10px;
}
.lp-section-hd p { color: var(--muted); font-size: 15px; line-height: 1.75; }

/* stats — outer is only a full-width positioning shell; grid lives on inner */
.lp-stats {
  position: relative; z-index: 3;
  margin-top: -48px;
  padding: 0 28px 8px;
}
.lp-stats-inner {
  width: min(1120px, 100%); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
}
.lp-stat {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-2); padding: 18px 18px 16px;
  border-top: 3px solid transparent;
}
.lp-stat:nth-child(1) { border-top-color: var(--accent); }
.lp-stat:nth-child(2) { border-top-color: var(--seal); }
.lp-stat:nth-child(3) { border-top-color: var(--warn); }
.lp-stat:nth-child(4) { border-top-color: var(--ok); }
.lp-stat .s-val {
  font-family: var(--num-font); font-size: 30px; font-weight: 750;
  letter-spacing: -.02em; line-height: 1.1; color: var(--ink); margin-bottom: 4px;
}
.lp-stat .s-val small { font-size: 13px; font-weight: 600; color: var(--muted); margin-left: 3px; }
.lp-stat .s-label { font-size: 13px; color: var(--ink-2); font-weight: 650; }
.lp-stat .s-note { font-size: 12px; color: var(--faint); margin-top: 6px; line-height: 1.5; }

/* cards */
.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);
  box-shadow: var(--shadow-1); overflow: hidden;
  display: flex; flex-direction: column; min-height: 100%;
  transition: transform .18s ease, box-shadow .18s ease;
}
.lp-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.lp-card-media {
  aspect-ratio: 16 / 10; overflow: hidden; background: var(--rail);
  position: relative;
}
.lp-card-media picture,
.lp-card-media img {
  width: 100%; height: 100%;
}
.lp-card-media img {
  object-fit: cover;
  transition: transform .5s ease;
}
.lp-card:hover .lp-card-media img { transform: scale(1.04); }
.lp-card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.lp-card-body .chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 2px; }
.lp-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 5px; font-size: 11.5px; font-weight: 700;
}
.lp-chip-seal { background: var(--seal-soft); color: var(--seal); }
.lp-chip-accent { background: var(--accent-soft); color: var(--accent); }
.lp-chip-ok { background: #e8f5ee; color: var(--ok); }
.lp-chip-warn { background: #fdf4e3; color: var(--warn); }
.lp-card-body h3 { font-size: 17px; font-weight: 720; line-height: 1.35; }
.lp-card-body p { font-size: 13.5px; color: var(--muted); line-height: 1.7; flex: 1; }
.lp-card-body .lp-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px; font-size: 13.5px; font-weight: 650; color: var(--accent);
}
.lp-card-body .lp-link:hover { text-decoration: underline; }

/* steps */
.lp-steps {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--paper); box-shadow: var(--shadow-1);
}
.lp-step {
  padding: 22px 20px 24px; border-right: 1px solid var(--line);
  position: relative;
}
.lp-step:last-child { border-right: none; }
.lp-step .n {
  font-family: var(--num-font); font-size: 12px; font-weight: 700;
  color: var(--seal); letter-spacing: .08em; margin-bottom: 10px;
}
.lp-step h3 { font-size: 16px; font-weight: 720; margin-bottom: 8px; }
.lp-step p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.lp-step ul { margin-top: 12px; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.lp-step li {
  position: relative; padding-left: 14px; font-size: 12.5px; color: var(--ink-2);
}
.lp-step li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 2px; background: var(--accent);
}

/* spotlight */
.lp-spot {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 0;
  border-radius: calc(var(--radius) + 2px); overflow: hidden;
  border: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow-2);
}
.lp-spot-main { padding: 28px 28px 30px; }
.lp-spot-main h3 { font-size: 22px; font-weight: 740; margin: 8px 0 10px; line-height: 1.3; }
.lp-spot-main .lede { color: var(--muted); font-size: 14.5px; line-height: 1.75; max-width: 52ch; }
.lp-spot-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 18px; }
.lp-spot-tags span {
  font-family: var(--num-font); font-size: 12px; font-weight: 600;
  padding: 6px 10px; border-radius: 7px; background: var(--bg); border: 1px solid var(--line);
  color: var(--ink-2);
}
.lp-limits {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px;
  margin: 16px 0 20px;
}
.lp-limit {
  padding: 10px 12px; border-radius: 8px; background: #f7f9fc; border: 1px solid var(--line);
}
.lp-limit .k { font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.lp-limit .v { font-family: var(--num-font); font-size: 15px; font-weight: 720; }
.lp-spot-side {
  position: relative; min-height: 320px; background: var(--rail);
}
.lp-spot-side picture,
.lp-spot-side img {
  width: 100%; height: 100%;
}
.lp-spot-side img {
  object-fit: cover; opacity: .92;
}
.lp-spot-side .cap {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  padding: 12px 14px; border-radius: 10px;
  background: rgba(11, 19, 36, .78); backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .12); color: #e8eef8;
  font-size: 12.5px; line-height: 1.55;
}
.lp-spot-side .cap b { display: block; font-size: 13.5px; margin-bottom: 3px; color: #fff; }

/* boundary */
.lp-boundary {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.lp-bound {
  padding: 20px 20px 22px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--paper);
}
.lp-bound.ext {
  border-color: #ded6f7; background: linear-gradient(180deg, #faf8ff 0%, #fff 100%);
}
.lp-bound h3 { font-size: 15px; font-weight: 720; margin-bottom: 12px; }
.lp-bound ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.lp-bound li {
  position: relative; padding-left: 18px; font-size: 13.5px; color: var(--ink-2); line-height: 1.6;
}
.lp-bound li::before {
  content: ""; position: absolute; left: 2px; top: 8px;
  width: 7px; height: 7px; border-radius: 2px; background: var(--accent);
}
.lp-bound.ext li::before { background: var(--seal); }

/* cta band */
.lp-cta {
  margin: 0 28px 72px;
}
.lp-cta-inner {
  width: min(1120px, 100%); margin: 0 auto;
  border-radius: calc(var(--radius) + 4px); overflow: hidden;
  background: linear-gradient(135deg, #101b30 0%, #1a2744 48%, #2a1f55 100%);
  color: #fff; padding: 40px 36px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  box-shadow: var(--shadow-3);
  position: relative;
}
.lp-cta-inner::after {
  content: ""; position: absolute; inset: auto -10% -40% auto;
  width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(109, 91, 208, .35), transparent 70%);
  pointer-events: none;
}
.lp-cta-copy { flex: 1 1 320px; position: relative; z-index: 1; }
.lp-cta-copy h2 { font-size: 26px; font-weight: 740; margin-bottom: 8px; letter-spacing: -.015em; }
.lp-cta-copy p { color: #b7c3d8; font-size: 14.5px; line-height: 1.7; max-width: 48ch; }
.lp-cta-actions {
  display: flex; flex-wrap: wrap; gap: 10px; position: relative; z-index: 1;
}

/* footer */
.lp-foot {
  border-top: 1px solid var(--line); background: var(--paper);
  padding: 28px 28px 36px;
}
.lp-foot-inner {
  width: min(1120px, 100%); margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: flex-start;
  justify-content: space-between;
}
.lp-foot p { font-size: 12.5px; color: var(--muted); line-height: 1.7; max-width: 62ch; }
.lp-foot .note {
  font-size: 12px; color: var(--faint); max-width: 42ch; line-height: 1.65;
}

/* mobile menu */
.lp-menu-btn {
  display: none; width: 44px; height: 44px; border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .16); color: #fff;
  align-items: center; justify-content: center;
}
.lp-menu-btn svg { width: 20px; height: 20px; }

@media (max-width: 1023px) {
  .lp-top { padding: 10px 16px; }
  .lp-top-nav { display: none; }
  .lp-top-nav.is-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: 0; right: 0; top: 100%;
    padding: 10px; background: rgba(11, 19, 36, .96);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }
  .lp-menu-btn { display: inline-flex; margin-left: auto; }
  .lp-top-actions .lp-btn-ghost { display: none; }
  .lp-hero-content { padding: 108px 18px 56px; }
  .lp-stats { padding: 0 18px; margin-top: -36px; }
  .lp-stats-inner { grid-template-columns: 1fr 1fr; }
  .lp-grid-3, .lp-grid-2, .lp-steps, .lp-spot, .lp-boundary, .lp-limits {
    grid-template-columns: 1fr 1fr;
  }
  .lp-steps { grid-template-columns: 1fr; }
  .lp-step { border-right: none; border-bottom: 1px solid var(--line); }
  .lp-step:last-child { border-bottom: none; }
  .lp-section { padding: 56px 18px; }
  .lp-cta { margin: 0 18px 56px; }
  .lp-cta-inner { padding: 28px 22px; }
  .lp-spot { grid-template-columns: 1fr; }
  .lp-spot-side { min-height: 240px; }
}

@media (max-width: 640px) {
  .lp-stats-inner, .lp-grid-3, .lp-grid-2, .lp-boundary, .lp-limits {
    grid-template-columns: 1fr;
  }
  .lp-hero { padding-bottom: 72px; align-items: flex-end; }
  .lp-hero h1 { max-width: none; font-size: 32px; }
  .lp-hero-content { padding-bottom: 12px; }
  .lp-top-actions .lp-btn { min-height: 40px; padding: 8px 12px; font-size: 12.5px; }
  .lp-hero-actions .lp-btn { width: 100%; }
  .lp-hero-meta { gap: 12px 16px; }
  .lp-hero-meta div { flex: 1 1 42%; }
}

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