/* Fuxian site design system v2 */
:root {
  --ink: #0b1b33;
  --ink-2: #2a3a55;
  --muted: #64748b;
  --muted-2: #8494ab;
  --line: #e3e9f2;
  --line-strong: #cfdaea;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-soft-2: #eef3fa;
  --brand: #0e2a5c;
  --brand-2: #1b5cff;
  --brand-3: #e8f0ff;
  --accent: #d21f3c;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 27, 51, .05), 0 8px 24px -16px rgba(11, 27, 51, .28);
  --shadow-md: 0 2px 6px rgba(11, 27, 51, .06), 0 24px 48px -28px rgba(11, 27, 51, .35);
  --max: 1200px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.22; letter-spacing: -.015em; font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }
.divider { height: 1px; background: var(--line); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand-2);
}
.eyebrow::before { content: ""; width: 16px; height: 2px; background: var(--accent); }
.section-head { max-width: 780px; margin-bottom: 48px; }
.section-head h2 { font-size: 38px; margin: 14px 0 14px; }
.section-head p { color: var(--muted); font-size: 16.5px; }

/* top bar */
.topline {
  background: var(--brand); color: rgba(255,255,255,.78);
  font-size: 12.5px; letter-spacing: .02em;
}
.topline .wrap { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topline a { color: rgba(255,255,255,.9); }
.topline strong { color: #fff; font-weight: 600; }

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand) 0%, #163f86 100%);
  color: #fff; display: grid; place-items: center;
  font-weight: 800; font-size: 15px; letter-spacing: .04em;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.16; }
.brand-text b { font-size: 16px; font-weight: 700; letter-spacing: .02em; }
.brand-text span { font-size: 10.5px; color: var(--muted-2); letter-spacing: .12em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 2px; margin-left: 4px; }
.nav a {
  padding: 8px 10px; border-radius: 8px; font-size: 14.2px; color: var(--ink-2); white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav a:hover { background: var(--bg-soft-2); color: var(--brand); }
.nav a[aria-current="page"] { color: var(--brand); font-weight: 600; background: var(--brand-3); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.header-phone { font-size: 14px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.header-phone small { color: var(--muted-2); font-weight: 500; font-size: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px; border-radius: 8px;
  font-size: 15px; font-weight: 600; border: 1px solid transparent;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease, border-color .16s ease;
  white-space: nowrap; cursor: pointer; font-family: inherit;
}
.btn-primary { background: var(--brand-2); color: #fff; box-shadow: 0 6px 18px -8px rgba(27,92,255,.7); }
.btn-primary:hover { background: #1548d6; transform: translateY(-1px); }
.btn-dark { background: var(--brand); color: #fff; }
.btn-dark:hover { background: #0a2149; transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--brand-2); color: var(--brand-2); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }

.mobile-menu { display: none; position: relative; }
.mobile-menu summary {
  list-style: none; width: 40px; height: 40px; border: 1px solid var(--line-strong);
  border-radius: 8px; display: flex; flex-direction: column; gap: 4px;
  align-items: center; justify-content: center; cursor: pointer; background: #fff;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary span { width: 16px; height: 1.8px; background: var(--ink); border-radius: 2px; }
.mm-panel {
  position: absolute; right: 0; top: 48px; width: 220px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-md);
  padding: 10px; display: grid; gap: 2px; z-index: 80;
}
.mm-panel a { padding: 10px 12px; border-radius: 8px; font-size: 14.5px; color: var(--ink-2); }
.mm-panel a:hover { background: var(--bg-soft); color: var(--brand); }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14.5px; color: var(--brand-2); }
.link-arrow svg { transition: transform .18s ease; }
.link-arrow:hover svg { transform: translateX(3px); }

/* hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #f7faff 0%, #eef4fd 62%, #ffffff 100%); }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(14,42,92,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(14,42,92,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 78%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding-top: 84px; padding-bottom: 84px; }
.hero-copy h1 { font-size: 54px; line-height: 1.14; letter-spacing: -.028em; margin: 18px 0 22px; }
.hero-copy h1 em { font-style: normal; color: var(--brand-2); }
.hero-copy p.lead { font-size: 17px; color: var(--muted); max-width: 620px; }
.hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; border-top: 1px solid var(--line-strong); }
.hero-facts div { padding: 20px 18px 0 0; }
.hero-facts span { display: block; font-size: 12.5px; color: var(--muted-2); letter-spacing: .06em; }
.hero-facts b { display: block; font-size: 15.5px; margin-top: 4px; font-weight: 700; white-space: nowrap; }

.hero-visual { position: relative; height: 420px; }

/* dark orchestration terminal */
.hv-term {
  position: absolute; inset: 4px 0 34px 6px;
  border-radius: 16px;
  background: linear-gradient(160deg, #0b1b33 0%, #10274a 58%, #123a6b 100%);
  box-shadow: 0 30px 70px -34px rgba(11, 27, 51, .9), inset 0 1px 0 rgba(255,255,255,.08);
  padding: 16px 18px 14px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.hv-term::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 10%, #000 20%, transparent 80%);
  pointer-events: none;
}
.hv-term-bar { display: flex; align-items: center; gap: 6px; position: relative; z-index: 1; }
.hv-term-bar i { width: 9px; height: 9px; border-radius: 50%; background: #2b4d7a; }
.hv-term-bar i:first-child { background: #d21f3c; }
.hv-term-bar em { font-style: normal; font-size: 11px; color: #7f9dc9; margin-left: 8px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.hv-term-bar .live {
  margin-left: auto; font-size: 10.5px; color: #5eead4;
  border: 1px solid rgba(94, 234, 212, .35); border-radius: 999px; padding: 2px 8px;
  display: inline-flex; align-items: center; gap: 5px;
}
.hv-term-bar .live::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #5eead4; box-shadow: 0 0 0 3px rgba(94,234,212,.18); }
.hv-flow { display: flex; align-items: center; gap: 6px; margin: 18px 0 14px; position: relative; z-index: 1; }
.flow-node {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 11.5px; color: #cfe0ff; padding: 9px 6px; border-radius: 9px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(140, 180, 255, .22);
  white-space: nowrap;
}
.flow-node .pulse { width: 6px; height: 6px; border-radius: 50%; background: #6ea0ff; box-shadow: 0 0 0 0 rgba(110,160,255,.6); animation: hvpulse 2.4s infinite; }
.flow-node:nth-child(3) .pulse { animation-delay: .5s; }
.flow-node:nth-child(5) .pulse { animation-delay: 1s; }
@keyframes hvpulse {
  0% { box-shadow: 0 0 0 0 rgba(110,160,255,.55); }
  70% { box-shadow: 0 0 0 7px rgba(110,160,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(110,160,255,0); }
}
.flow-line { width: 18px; height: 1px; background: rgba(140,180,255,.35); position: relative; overflow: hidden; flex-shrink: 0; }
.flow-line i { position: absolute; inset: 0 auto 0 0; width: 6px; background: #6ea0ff; animation: hvflow 2.2s linear infinite; }
@keyframes hvflow { from { transform: translateX(-6px); } to { transform: translateX(18px); } }
.hv-code {
  margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px; line-height: 1.95; color: #a9c1e6; white-space: pre; overflow: hidden;
  position: relative; z-index: 1;
}
.hv-code .ln { color: #43618f; margin-right: 10px; }
.hv-code b { color: #93c5fd; font-weight: 600; }
.hv-code em { color: #5eead4; font-style: normal; }
.hv-code s { color: #fca5a5; text-decoration: none; }
.hv-code .cm { color: #64809f; }
.hv-term-foot {
  margin-top: auto; display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: #b9d2f5; border-top: 1px solid rgba(140,180,255,.16); padding-top: 10px;
  position: relative; z-index: 1;
}
.hv-term-foot .ok {
  width: 18px; height: 18px; border-radius: 50%; background: rgba(47, 200, 130, .16);
  color: #4ade80; display: grid; place-items: center; font-size: 11px; font-weight: 700;
}
.hv-term-foot .spark { margin-left: auto; width: 40px; height: 14px; background: repeating-linear-gradient(90deg, rgba(94,234,212,.7) 0 2px, transparent 2px 7px); mask-image: linear-gradient(180deg, #000, transparent); opacity: .45; }
.hv-term-foot .priv { font-size: 11.5px; color: #7ea6dd; }
.hv-float2 {
  position: absolute; right: 0; bottom: 0; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow-md); padding: 12px 16px;
}
.hv-float2 b { display: block; font-size: 13.5px; }
.hv-float2 span { font-size: 11.5px; color: var(--muted); }
.hv-card {
  position: absolute; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; box-shadow: var(--shadow-md); padding: 18px 20px;
}
.hv-main { inset: 8px 12px 78px 0; display: flex; flex-direction: column; }
.hv-main .bar { display: flex; gap: 6px; margin-bottom: 16px; }
.hv-main .bar i { width: 8px; height: 8px; border-radius: 50%; background: #dbe4f0; }
.hv-main .bar i:first-child { background: var(--accent); }
.hv-line { height: 9px; border-radius: 5px; background: #eaf0f9; margin-bottom: 10px; }
.hv-line.w1 { width: 62%; background: #d9e5fb; }
.hv-line.w2 { width: 84%; }
.hv-line.w3 { width: 46%; }
.hv-chiprow { display: flex; gap: 8px; margin-top: auto; flex-wrap: wrap; }
.hv-chip { font-size: 11.5px; color: var(--brand); background: var(--brand-3); border-radius: 999px; padding: 5px 11px; font-weight: 600; }
.hv-float {
  right: 0; bottom: 8px; display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-radius: 14px;
}
.hv-float .dot { width: 34px; height: 34px; border-radius: 10px; background: #e9f9f0; color: #14924e; display: grid; place-items: center; font-weight: 700; }
.hv-float b { display: block; font-size: 14px; }
.hv-float span { font-size: 12px; color: var(--muted); }

/* generic grids */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  display: flex; flex-direction: column;
}
.card:hover { border-color: #bcd0ee; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.card .icon {
  width: 42px; height: 42px; border-radius: 11px; background: var(--brand-3);
  color: var(--brand); display: grid; place-items: center; margin-bottom: 18px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.8px; }
.card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag {
  font-size: 12.5px; color: var(--ink-2); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px;
}
.card .foot { margin-top: auto; padding-top: 20px; }

/* solution tiles */
.tile { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; transition: .18s ease; }
.tile:hover { box-shadow: var(--shadow-sm); border-color: #bcd0ee; }
.tile .num { font-size: 12px; letter-spacing: .14em; color: var(--muted-2); font-weight: 700; }
.tile h3 { font-size: 20px; margin: 12px 0 10px; }
.tile p { color: var(--muted); font-size: 14.6px; }
.tile ul { margin-top: 16px; display: grid; gap: 8px; }
.tile ul li { font-size: 14px; color: var(--ink-2); display: flex; gap: 8px; align-items: flex-start; }
.tile ul li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--brand-2); margin-top: 9px; flex-shrink: 0; }
.tile .foot { margin-top: 22px; }

/* case cards */
.case-card { display: grid; grid-template-columns: 1fr; gap: 0; padding: 0; overflow: hidden; }
.case-card .case-top { padding: 26px 28px 0; }
.case-card .case-kicker { font-size: 12.5px; color: var(--brand-2); font-weight: 600; letter-spacing: .06em; }
.case-card h3 { font-size: 19px; margin: 10px 0 10px; }
.case-card p { color: var(--muted); font-size: 14.6px; }
.case-card .tech { display: flex; flex-wrap: wrap; gap: 8px; padding: 18px 28px 26px; margin-top: auto; }

/* stats strip */
.strip { background: var(--brand); color: #fff; }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding-top: 44px; padding-bottom: 44px; }
.strip .wrap > div { padding: 0 28px; border-left: 1px solid rgba(255,255,255,.14); }
.strip .wrap > div:first-child { border-left: 0; padding-left: 0; }
.strip b { display: block; font-size: 30px; line-height: 1.2; letter-spacing: -.02em; }
.strip span { font-size: 13.5px; color: rgba(255,255,255,.66); }

/* process */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; border-top: 1px solid var(--line-strong); }
.step { padding: 26px 24px 0 0; position: relative; }
.step b { display: block; font-size: 13px; color: var(--brand-2); font-weight: 700; letter-spacing: .1em; }
.step h3 { font-size: 17px; margin: 10px 0 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* page hero (sub pages) */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.page-hero .wrap { padding-top: 64px; padding-bottom: 64px; }
.page-hero h1 { font-size: 44px; margin: 14px 0 16px; letter-spacing: -.025em; }
.page-hero p { color: var(--muted); font-size: 17px; max-width: 760px; }
.breadcrumb { font-size: 13px; color: var(--muted-2); display: flex; gap: 8px; align-items: center; }
.breadcrumb a:hover { color: var(--brand-2); }
.page-actions { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

/* subnav */
.subnav { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 72px; z-index: 40; }
.subnav .wrap { display: flex; gap: 6px; overflow-x: auto; }
.subnav a { padding: 16px 18px; font-size: 14.5px; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.subnav a:hover { color: var(--brand); }
.subnav a[aria-current="page"] { color: var(--brand); border-bottom-color: var(--brand-2); font-weight: 600; }

/* detail blocks */
.split { display: grid; grid-template-columns: 280px 1fr; gap: 56px; align-items: start; }
.side-list { position: sticky; top: 152px; border-left: 2px solid var(--line); }
.side-list a { display: block; padding: 10px 0 10px 18px; font-size: 14.5px; color: var(--muted); margin-left: -2px; border-left: 2px solid transparent; }
.side-list a:hover { color: var(--brand-2); }
.side-list b { display: block; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 10px; }
.prose h2 { font-size: 26px; margin-bottom: 14px; }
.prose h3 { font-size: 19px; margin: 32px 0 12px; }
.prose p { color: var(--ink-2); margin-bottom: 14px; }
.prose ul.bullets { display: grid; gap: 10px; margin: 16px 0; }
.prose ul.bullets li { display: flex; gap: 10px; color: var(--ink-2); font-size: 15px; }
.prose ul.bullets li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-2); margin-top: 10px; flex-shrink: 0; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 14px 24px; font-size: 15px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--ink); font-weight: 500; }

/* capability blocks */
.cap { display: grid; grid-template-columns: 1fr 320px; gap: 40px; padding: 40px 0; border-top: 1px solid var(--line); }
.cap:first-of-type { border-top: 0; padding-top: 0; }
.cap h3 { font-size: 24px; margin: 8px 0 12px; }
.cap p { color: var(--muted); }
.cap-side { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.cap-side b { font-size: 12px; letter-spacing: .1em; color: var(--muted-2); text-transform: uppercase; display: block; margin-bottom: 10px; }
.cap-side ul { display: grid; gap: 8px; }
.cap-side li { font-size: 14px; display: flex; gap: 8px; }
.cap-side li::before { content: "✓"; color: var(--brand-2); font-weight: 700; }

/* cta */
.cta { background: linear-gradient(120deg, #0e2a5c 0%, #14376f 55%, #1b4a92 100%); color: #fff; }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-top: 64px; padding-bottom: 64px; }
.cta h2 { font-size: 32px; max-width: 680px; }
.cta p { color: rgba(255,255,255,.72); margin-top: 12px; max-width: 620px; }
.cta .btn-primary { background: #fff; color: var(--brand); box-shadow: none; }
.cta .btn-primary:hover { background: #eaf0ff; }
.cta .btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; background: transparent; }
.cta .btn-ghost:hover { border-color: #fff; color: #fff; }

/* product promo */
.promo {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, #0e2a5c 0%, #123a7a 62%, #1b4a92 100%);
  border-radius: 18px; color: #fff; padding: 46px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  box-shadow: 0 30px 60px -40px rgba(11, 27, 51, .8);
}
.promo::after {
  content: ""; position: absolute; right: -80px; top: -60px; width: 380px; height: 380px;
  background: radial-gradient(circle at 40% 40%, rgba(120, 170, 255, .38), transparent 62%);
  pointer-events: none;
}
.promo > div { position: relative; z-index: 1; }
.promo .eyebrow { color: #9dc0ff; }
.promo .eyebrow::before { background: #6ea0ff; }
.promo h2 { font-size: 30px; margin: 14px 0 12px; max-width: 640px; }
.promo p { color: rgba(255,255,255,.72); max-width: 560px; font-size: 15px; }
.promo-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.promo-tags span { font-size: 12px; color: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 4px 11px; }
.promo-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }
.promo .btn-primary { background: #fff; color: var(--brand); box-shadow: none; }
.promo .btn-primary:hover { background: #eaf0ff; }
.promo .btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; background: transparent; }
.promo .btn-ghost:hover { border-color: #fff; color: #fff; }

/* footer */
.site-footer { background: #08182f; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 48px; }
.footer-brand .brand-mark { background: rgba(255,255,255,.1); box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); }
.footer-brand .brand-text b { color: #fff; }
.footer-brand p { margin-top: 18px; color: rgba(255,255,255,.6); font-size: 13.6px; max-width: 340px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; letter-spacing: .04em; }
.footer-col a, .footer-col li { display: block; font-size: 13.8px; padding: 5px 0; color: rgba(255,255,255,.66); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0 34px; display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between; font-size: 12.8px; color: rgba(255,255,255,.52); }
.records { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; }
.records a { color: rgba(255,255,255,.6); }
.records a:hover { color: #fff; }
.records span { color: rgba(255,255,255,.5); }

/* job list */
.job-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; border-top: 1px solid var(--line); }
.job-row:last-child { border-bottom: 1px solid var(--line); }
.job-row h3 { font-size: 18px; }
.job-row p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.job-meta { font-size: 13px; color: var(--muted-2); display: flex; gap: 14px; margin-top: 8px; }

/* forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.field input, .field select, .field textarea {
  height: 44px; border: 1px solid var(--line-strong); border-radius: 8px; padding: 0 14px;
  font-size: 14.5px; font-family: inherit; color: var(--ink); background: #fff;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { height: 110px; padding: 12px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(27,92,255,.14);
}
.checkline { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); }
.checkline input { width: 16px; height: 16px; margin-top: 3px; }

/* notice */
.notice { display: flex; gap: 12px; padding: 16px 18px; border-radius: 10px; background: var(--bg-soft); border: 1px solid var(--line); font-size: 14px; color: var(--ink-2); }
.notice b { color: var(--brand); }

/* responsive */
@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .side-list { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cap { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .wrap { padding: 0 20px; }
  .nav { display: none; }
  .mobile-menu { display: block; }
  .header-phone small, .topline { display: none; }
  .hero-copy h1 { font-size: 36px; }
  .section-head h2 { font-size: 28px; }
  .page-hero h1 { font-size: 32px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .strip .wrap { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .strip .wrap > div { border-left: 0; padding: 0; }
  .cta .wrap { flex-direction: column; align-items: flex-start; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .job-row { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .tile, .card { padding: 22px; }
}

/* ---------- 模型工坊站点增量样式 ---------- */
.hero-copy h1, .hero-copy .lead { text-wrap: balance; }
.steps--6 { grid-template-columns: repeat(6, 1fr); }
.steps--6 .step h3 { font-size: 15.5px; }

.other-services { border-top: 1px solid var(--line); padding: 34px 0 8px; }
.other-services h2 { font-size: 15px; font-weight: 700; letter-spacing: .04em; color: var(--ink-2); margin-bottom: 10px; }
.other-services p { font-size: 13.5px; color: var(--muted-2); margin-bottom: 14px; }
.os-links { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.os-links a { font-size: 13.5px; color: var(--muted); text-decoration: none; }
.os-links a:hover { color: var(--brand); text-decoration: underline; }
.os-links span { font-size: 13.5px; color: var(--muted-2); }

.cert-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.cert-table th, .cert-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.cert-table th { font-size: 12.5px; letter-spacing: .06em; color: var(--muted-2); font-weight: 600; background: var(--bg-soft); }
.cert-table td { color: var(--ink-2); }
.cert-table tr:last-child td { border-bottom: 0; }
.cert-table .reg { font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.cert-lead { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 18px; margin-bottom: 22px; }
.cert-lead b { font-size: 18px; }
.cert-lead span { font-size: 13.5px; color: var(--muted); }
.cert-lead .badge { padding: 3px 10px; border-radius: 999px; background: var(--brand-3); color: var(--brand); font-size: 12.5px; font-weight: 600; }

.steps-flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border-top: 1px solid var(--line-strong); }
.steps-flow .sf { padding: 22px 18px 0 0; position: relative; }
.steps-flow .sf b { display: block; font-size: 12px; color: var(--brand); letter-spacing: .08em; margin-bottom: 8px; }
.steps-flow .sf h3 { font-size: 15.5px; margin-bottom: 8px; }
.steps-flow .sf p { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-item { padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.tech-item h3 { font-size: 16px; margin-bottom: 8px; }
.tech-item p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.tech-item code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13.5px; padding: 1px 6px; border-radius: 6px; background: var(--bg-soft-2); color: var(--ink-2); }

.privacy { max-width: 820px; }
.privacy h2 { font-size: 20px; margin: 30px 0 10px; }
.privacy p, .privacy li { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; }
.privacy ul { padding-left: 20px; margin: 8px 0 8px; }
.privacy .updated { font-size: 13px; color: var(--muted-2); }

@media (max-width: 1080px) {
  .steps--6, .steps-flow, .tech-grid { grid-template-columns: 1fr; gap: 0; }
  .steps-flow .sf, .steps--6 .step { padding-bottom: 22px; }
}

/* ---------- 移动端收口：消除横向溢出 ---------- */
body { overflow-x: hidden; }

@media (max-width: 860px) {
  .site-header .wrap { gap: 12px; height: 64px; }
  .header-phone { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-text b { font-size: 15px; }
  .brand-text span { font-size: 9.5px; letter-spacing: .08em; }
  .header-actions { gap: 10px; }
  .hero-copy h1 { font-size: 32px; line-height: 1.2; }
  .hero-facts b { white-space: normal; font-size: 14.5px; }
  .strip b { font-size: 24px; }
  .cert-table { font-size: 13px; }
  .cert-table th, .cert-table td { padding: 10px 12px; white-space: nowrap; }
  .cta .wrap h2 { font-size: 24px; }
  /* .strip div 的 padding:0 会连带清掉 .wrap 的左右留白，这里显式补回 */
  .strip > .wrap { padding-left: 20px; padding-right: 20px; }
  .strip div { padding-left: 0; padding-right: 0; }
}

.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 860px) { .promo { flex-direction: column; align-items: flex-start; gap: 24px; padding: 32px 24px; } .promo h2 { font-size: 22px; } .promo-actions { width: 100%; } }