/* ==========================================================================
   众金数为 · 官网样式表
   轻量：无框架、无外部字体、无图片依赖（图形均为 CSS/SVG）
   1. Tokens  2. Base  3. Layout  4. Header  5. Hero  6. Sections
   7. Components  8. Detail pages  9. Support  10. Forms  11. Footer
   12. Motion  13. Responsive
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --ink: #0a1b2e;
  --ink-2: #1d3450;
  --body: #485b70;
  --muted: #7a8ca0;
  --line: #e4eaf2;
  --line-2: #cfdae6;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --bg-deep: #0A2A4A;
  --bg-deep-2: #0e3560;
  --primary: #1E6FD9;
  --primary-d: #1558b8;
  --primary-l: #eaf2fd;
  --accent: #00a99d;
  --accent-l: #e6f7f5;
  --warn: #b4530a;
  --hot: #FF6B35;
  --hot-l: #fff1ea;
  --r-sm: 3px;
  --r: 6px;
  --r-lg: 10px;
  --sh-1: 0 1px 2px rgba(10, 27, 46, .04), 0 8px 24px -12px rgba(10, 27, 46, .12);
  --sh-2: 0 2px 4px rgba(10, 27, 46, .05), 0 18px 40px -18px rgba(10, 27, 46, .22);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --nav-h: 68px;
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 650; line-height: 1.28; letter-spacing: -.01em; }
h1 { font-size: clamp(34px, 3.9vw, 56px); letter-spacing: -.025em; line-height: 1.16; }
h2 { font-size: clamp(26px, 2.6vw, 36px); }
h3 { font-size: clamp(19px, 1.5vw, 22px); }
h4 { font-size: 17px; }
p { margin: 0 0 1em; }
a { color: var(--primary); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--primary-d); }
img, svg { max-width: 100%; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
::selection { background: #cfe2ff; color: var(--ink); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 2px; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: var(--r); transition: top .2s;
}
.skip:focus { top: 12px; color: #fff; }

/* 3. Layout ---------------------------------------------------------------- */
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.wrap-narrow { max-width: 900px; }
.sec { padding: 96px 0; }
.sec-sm { padding: 64px 0; }
.sec-alt { background: var(--bg-alt); }
.sec-line { border-top: 1px solid var(--line); }
.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 72px; align-items: start; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: .55; }
.eyebrow.on-dark { color: #6fb0ff; }
.lead { font-size: 17px; line-height: 1.8; color: var(--body); max-width: 62ch; }
.lead-lg { font-size: clamp(17px, 1.4vw, 19px); line-height: 1.8; color: var(--ink-2); }
.small { font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); gap: 40px; align-items: end; margin-bottom: 48px; }
.sec-head .lead { margin: 0; }
.sec-head-center { display: block; text-align: center; max-width: 720px; margin: 0 auto 52px; }
.sec-head-center .lead { margin: 16px auto 0; }
.eyebrow-center { justify-content: center; }

/* 4. Header ---------------------------------------------------------------- */
.topbar {
  background: var(--bg-deep); color: #93a9be; font-size: 12.5px; letter-spacing: .01em;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 36px; }
.topbar-l, .topbar-r { display: flex; align-items: center; gap: 22px; }
.topbar span { display: inline-flex; align-items: center; gap: 7px; }
.topbar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(0, 169, 157, .18); }
.topbar a { color: #c9d8e6; }
.topbar a:hover { color: #fff; }
.topbar .sep { width: 1px; height: 12px; background: #223d55; }

.header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header.scrolled { box-shadow: 0 1px 0 var(--line), 0 10px 30px -22px rgba(10, 27, 46, .35); }
.header .wrap { display: flex; align-items: center; gap: 32px; height: var(--nav-h); }

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); flex: none; }
.brand:hover { color: var(--ink); }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-img { width: auto; height: 36px; flex: none; display: block; }
.login-brand .brand-img { height: 34px; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: .02em; }
.brand-sub { font-family: var(--mono); font-size: 9.5px; letter-spacing: .22em; color: var(--muted); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav > li { position: relative; }
.nav a.nav-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 13px; font-size: 14.5px; color: var(--ink-2); border-radius: var(--r);
  transition: background .16s, color .16s;
}
.nav a.nav-link:hover { background: var(--bg-alt); color: var(--ink); }
.nav a.nav-link.active { color: var(--primary); font-weight: 600; }
.nav a.nav-link.active::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: -19px; height: 2px; background: var(--primary);
}
.nav-drop {
  position: absolute; top: calc(100% + 12px); left: -8px; min-width: 268px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-2); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(-6px); transition: all .18s ease;
}
.nav > li:hover .nav-drop, .nav > li:focus-within .nav-drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-drop a { display: block; padding: 9px 12px; border-radius: var(--r); font-size: 14px; color: var(--ink-2); }
.nav-drop a:hover { background: var(--bg-alt); color: var(--primary); }
.nav-drop .d-cat {
  display: block; padding: 10px 12px 4px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.nav-drop .d-all { margin-top: 4px; border-top: 1px solid var(--line); color: var(--primary); font-weight: 600; }

.header-cta { display: flex; align-items: center; gap: 10px; flex: none; }
.nav-toggle {
  display: none; width: 40px; height: 40px; border: 1px solid var(--line-2); background: #fff;
  border-radius: var(--r); align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--ink); transition: .2s;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* 5. Hero ------------------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden; color: #dce8f4;
  background:
    radial-gradient(900px 520px at 78% -10%, rgba(11, 91, 211, .5), transparent 62%),
    radial-gradient(700px 480px at 12% 8%, rgba(0, 169, 157, .16), transparent 60%),
    linear-gradient(180deg, #071726 0%, #08202f 62%, #071726 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(78% 68% at 50% 22%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(78% 68% at 50% 22%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero .wrap { position: relative; padding-top: 92px; padding-bottom: 88px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 5px 12px 5px 6px;
  border: 1px solid rgba(111, 176, 255, .32); border-radius: 100px;
  background: rgba(11, 91, 211, .12); font-size: 12.5px; color: #a9c9ea; margin-bottom: 26px;
}
.hero-badge b { font-weight: 600; color: #e7f1fb; }
.hero-badge i {
  font-style: normal; font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  background: rgba(111, 176, 255, .18); color: #9ec8f5; padding: 2px 7px; border-radius: 100px;
}
.hero h1 { color: #fff; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: #6fb0ff; }
.hero-lead { font-size: clamp(16px, 1.35vw, 18px); line-height: 1.82; color: #a9bed2; max-width: 56ch; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 24px;
}
.hero-meta div { padding-right: 34px; margin-right: 34px; border-right: 1px solid rgba(255, 255, 255, .1); }
.hero-meta div:last-child { border: 0; margin: 0; padding: 0; }
.hero-meta dt { font-family: var(--mono); font-size: 22px; color: #fff; letter-spacing: -.02em; }
.hero-meta dd { margin: 2px 0 0; font-size: 12.5px; color: #7f97ad; letter-spacing: .02em; }

/* 支持状态面板 */
.panel {
  position: relative; border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(15, 42, 64, .92), rgba(8, 28, 43, .96));
  box-shadow: 0 32px 70px -40px rgba(0, 0, 0, .9);
  overflow: hidden;
}
.panel::after {
  content: ""; position: absolute; top: -60%; right: -20%; width: 70%; height: 120%;
  background: radial-gradient(closest-side, rgba(11, 91, 211, .28), transparent);
  pointer-events: none;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid rgba(255, 255, 255, .09);
  font-size: 12.5px; color: #9fb6ca;
}
.panel-head .live { display: inline-flex; align-items: center; gap: 7px; color: #62d9cd; }
.panel-head .live b { width: 6px; height: 6px; border-radius: 50%; background: #62d9cd; animation: pulse 2.4s infinite; }
.panel-body { padding: 6px 18px 18px; position: relative; }
.panel-row {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center;
  padding: 13px 0; border-bottom: 1px dashed rgba(255, 255, 255, .08);
}
.panel-row:last-of-type { border-bottom: 0; }
.panel-row .k { font-size: 13.5px; color: #cfe0ee; }
.panel-row .k small { display: block; font-size: 11.5px; color: #7f97ad; margin-top: 2px; }
.panel-row .v { font-family: var(--mono); font-size: 12px; color: #9ec8f5; text-align: right; }
.panel-row .v.ok { color: #62d9cd; }
.panel-foot {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(255, 255, 255, .09);
  border-top: 1px solid rgba(255, 255, 255, .09);
}
.panel-foot a {
  background: #0a2130; padding: 14px 18px; color: #dce8f4; font-size: 13.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.panel-foot a:hover { background: #0d2a3c; color: #fff; }
.panel-foot span { color: #6fb0ff; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }

/* 6. Buttons --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: var(--r); border: 1px solid transparent;
  font-size: 14.5px; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: background .18s, border-color .18s, color .18s, transform .18s, box-shadow .18s;
  font-family: inherit;
}
.btn:active { transform: translateY(1px); }
.btn svg { flex: none; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px -12px rgba(11, 91, 211, .9); }
.btn-primary:hover { background: var(--primary-d); color: #fff; }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .28); color: #e3eefa; }
.btn-ghost:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn-line { background: #fff; border-color: var(--line-2); color: var(--ink); }
.btn-line:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-quiet { background: var(--bg-alt); border-color: var(--line); color: var(--ink-2); }
.btn-quiet:hover { background: #eef3f9; color: var(--ink); }
.btn-sm { height: 34px; padding: 0 13px; font-size: 13px; border-radius: var(--r-sm); }
.btn-lg { height: 50px; padding: 0 26px; font-size: 15px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; }
.link-arrow svg { transition: transform .2s; }
.link-arrow:hover svg { transform: translateX(3px); }

/* 7. Cards & components ---------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px; transition: border-color .2s, box-shadow .22s, transform .22s;
}
.card-hover:hover { border-color: #b9cde3; box-shadow: var(--sh-1); transform: translateY(-2px); }
.card-num {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; color: var(--muted);
  display: block; margin-bottom: 14px;
}

/* 原厂担当 */
.pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.pillar { background: #fff; padding: 30px 26px 32px; position: relative; }
.pillar::before { content: ""; position: absolute; left: 0; top: 0; width: 2px; height: 0; background: var(--primary); transition: height .3s ease; }
.pillar:hover::before { height: 100%; }
.pillar-ico { width: 38px; height: 38px; display: grid; place-items: center; border-radius: var(--r); background: var(--primary-l); color: var(--primary); margin-bottom: 20px; }
.pillar h3 { font-size: 17.5px; margin-bottom: 10px; }
.pillar p { margin: 0; font-size: 14px; line-height: 1.78; color: var(--body); }

/* 产品网格 */
.prod-cat { margin-bottom: 14px; }
.prod-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.prod-card {
  position: relative; display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 24px 22px;
  transition: border-color .2s, box-shadow .22s, transform .22s; color: inherit;
}
.prod-card:hover { border-color: #adc6e4; box-shadow: var(--sh-2); transform: translateY(-3px); color: inherit; }
.prod-card::after {
  content: ""; position: absolute; right: 20px; top: 22px; width: 7px; height: 7px;
  border-top: 1px solid var(--line-2); border-right: 1px solid var(--line-2); opacity: 0; transition: .2s;
}
.prod-card:hover::after { opacity: 1; border-color: var(--primary); }
.prod-ico {
  width: 42px; height: 42px; border-radius: var(--r); display: grid; place-items: center;
  background: var(--bg-alt); color: var(--ink-2); margin-bottom: 18px; transition: .2s;
}
.prod-card:hover .prod-ico { background: var(--primary); color: #fff; }
.prod-card h3 { font-size: 18.5px; margin-bottom: 6px; }
.prod-tag { font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: var(--muted); margin-bottom: 12px; }
.prod-card p { font-size: 14px; line-height: 1.75; color: var(--body); margin: 0 0 18px; }
.prod-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 16px; border-top: 1px solid var(--line); }
.prod-foot .meta { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.prod-foot .go { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 600; color: var(--primary); }

/* 支持分割区 */
.board { background: var(--bg-deep); color: #c6d7e6; position: relative; overflow: hidden; }
.board::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 85% 0%, rgba(11, 91, 211, .28), transparent 60%),
    linear-gradient(180deg, transparent, rgba(0, 169, 157, .06));
  pointer-events: none;
}
.board .wrap { position: relative; }
.board h2 { color: #fff; }
.board .lead { color: #9fb6ca; }
.board-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-bottom: 22px; }
.board-card {
  display: block; padding: 26px 24px; border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .03); color: #c6d7e6; transition: .22s;
}
.board-card:hover { background: rgba(255, 255, 255, .065); border-color: rgba(111, 176, 255, .45); color: #e8f1fa; transform: translateY(-2px); }
.board-card .bi { color: #6fb0ff; margin-bottom: 16px; display: block; }
.board-card h3 { color: #fff; font-size: 17.5px; margin-bottom: 8px; }
.board-card p { font-size: 13.5px; line-height: 1.75; color: #93a9be; margin: 0 0 16px; }
.board-card .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em;
  padding: 2px 7px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 2px; color: #a9c1d6;
}
.tag.on-light { border-color: var(--line-2); color: var(--body); background: #fff; }
.tag.auth { border-color: rgba(255, 168, 92, .4); color: #ffbd80; }
.tag.open { border-color: rgba(98, 217, 205, .4); color: #7fe0d6; }
.sla-mini { border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--r-lg); overflow: hidden; }
.sla-mini-row { display: grid; grid-template-columns: 120px 1fr 1fr; gap: 16px; padding: 13px 20px; font-size: 13px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.sla-mini-row:last-child { border-bottom: 0; }
.sla-mini-row.head { background: rgba(255, 255, 255, .04); font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: #7f97ad; }
.sla-mini-row .lv { color: #e8f1fa; }
.sla-mini-row .t { font-family: var(--mono); color: #7fe0d6; }

/* 案例 */
.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.case-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden; color: inherit; transition: .22s;
}
.case-card:hover { border-color: #adc6e4; box-shadow: var(--sh-2); transform: translateY(-2px); color: inherit; }
.case-top {
  padding: 22px 24px 18px; border-bottom: 1px solid var(--line); background: var(--bg-alt);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.case-top .ind { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.case-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 19px; margin-bottom: 10px; }
.case-body p { font-size: 14px; margin: 0 0 18px; }
.case-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 13px; }
.case-foot .prods { display: flex; gap: 6px; flex-wrap: wrap; }

/* 新闻 */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid; grid-template-columns: 110px minmax(0, 1fr) auto; gap: 28px; align-items: baseline;
  padding: 24px 4px; border-bottom: 1px solid var(--line); color: inherit; transition: .18s;
}
.news-item:hover { background: #fafcff; color: inherit; }
.news-item .date { font-family: var(--mono); font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }
.news-item h3 { font-size: 17px; margin-bottom: 5px; transition: color .18s; }
.news-item:hover h3 { color: var(--primary); }
.news-item p { margin: 0; font-size: 13.5px; color: var(--muted); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.news-item .cat { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; border: 1px solid var(--line-2); padding: 2px 8px; border-radius: 2px; color: var(--body); white-space: nowrap; }

/* CTA band */
.cta-band { background: var(--bg-deep); position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 300px at 20% 120%, rgba(11, 91, 211, .35), transparent 65%);
}
.cta-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: center; padding: 64px 0; }
.cta-inner h2 { color: #fff; margin-bottom: 12px; }
.cta-inner p { color: #9fb6ca; margin: 0; font-size: 15px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 8. Page hero & detail ---------------------------------------------------- */
.page-hero { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 44px 0 56px; position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -100px; top: -120px; width: 520px; height: 520px;
  background: radial-gradient(closest-side, rgba(11, 91, 211, .07), transparent); pointer-events: none;
}
.crumb { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); margin-bottom: 26px; font-family: var(--mono); }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--primary); }
.crumb span { color: var(--line-2); }
.page-hero h1 { margin-bottom: 16px; }
.page-hero .lead { max-width: 66ch; }
.page-hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; }

.detail { display: grid; grid-template-columns: minmax(0, 1fr) 316px; gap: 64px; align-items: start; padding: 72px 0 96px; }
.detail-main > section + section { margin-top: 56px; padding-top: 48px; border-top: 1px solid var(--line); }
.detail-main h2 { font-size: 24px; margin-bottom: 20px; }
.detail-main h2 .idx { font-family: var(--mono); font-size: 12px; color: var(--primary); letter-spacing: .1em; margin-right: 12px; vertical-align: 2px; }
.prose p { font-size: 15.5px; line-height: 1.9; color: var(--body); }
.prose ul { margin: 0 0 1em; }
.prose li { position: relative; padding-left: 20px; margin-bottom: 9px; font-size: 15px; line-height: 1.8; }
.prose li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 5px; height: 5px; background: var(--primary); border-radius: 1px; }
.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.cap { background: #fff; padding: 22px; }
.cap h4 { font-size: 15.5px; margin-bottom: 6px; }
.cap p { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--body); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th {
  text-align: left; font-weight: 500; color: var(--muted); width: 168px; padding: 13px 18px;
  background: var(--bg-alt); font-family: var(--mono); font-size: 12px; letter-spacing: .03em; vertical-align: top;
}
.spec-table td { padding: 13px 18px; color: var(--ink-2); }

.aside { position: sticky; top: 92px; }
.aside-card { border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; overflow: hidden; }
.aside-card + .aside-card { margin-top: 16px; }
.aside-head { padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--bg-alt); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.aside-body { padding: 18px; }
.aside-body .row { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.aside-body .row:last-child { border-bottom: 0; }
.aside-body .row span:first-child { color: var(--muted); flex: none; white-space: nowrap; }
.aside-body .row span:last-child { color: var(--ink-2); font-weight: 500; text-align: right; min-width: 0; }
.aside-actions { padding: 0 18px 18px; display: grid; gap: 8px; }
.aside-nav a { display: flex; align-items: center; gap: 9px; padding: 9px 18px; font-size: 13.5px; color: var(--body); border-left: 2px solid transparent; }
.aside-nav a:hover { background: var(--bg-alt); color: var(--primary); border-left-color: var(--primary); }

/* 9. Support ---------------------------------------------------------------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 32px; overflow-x: auto; }
.tab {
  appearance: none; background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px;
  padding: 12px 16px; font-size: 14.5px; color: var(--body); cursor: pointer; white-space: nowrap;
  font-family: inherit; font-weight: 500; transition: .16s;
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab .n { font-family: var(--mono); font-size: 10.5px; color: var(--muted); margin-left: 6px; }
.panel-tab[hidden] { display: none; }

.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 18px;
  padding: 14px 16px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--r-lg);
}
.toolbar .grow { flex: 1 1 220px; }
.search { position: relative; }
.search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input {
  width: 100%; height: 38px; padding: 0 12px 0 36px; border: 1px solid var(--line-2); border-radius: var(--r);
  font-size: 13.5px; font-family: inherit; background: #fff; color: var(--ink);
}
select, input[type="text"], input[type="email"], input[type="tel"], textarea {
  font-family: inherit; font-size: 14px; color: var(--ink); background: #fff;
  border: 1px solid var(--line-2); border-radius: var(--r); padding: 0 12px; height: 40px;
  transition: border-color .16s, box-shadow .16s;
}
select { cursor: pointer; padding-right: 30px; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a8ca0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
textarea { height: auto; padding: 10px 12px; line-height: 1.7; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11, 91, 211, .12); }

.dl-list { border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: #fff; }
.dl-item { display: grid; grid-template-columns: 44px minmax(0, 1fr) 150px 118px 96px; gap: 16px; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--line); transition: background .16s; }
.dl-item:last-child { border-bottom: 0; }
.dl-item:hover { background: #fafcff; }
.dl-ico { width: 40px; height: 40px; border-radius: var(--r); background: var(--bg-alt); display: grid; place-items: center; color: var(--primary); }
.dl-name { font-size: 14.5px; color: var(--ink); font-weight: 600; line-height: 1.5; }
.dl-file { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin-top: 3px; word-break: break-all; }
.dl-meta { font-family: var(--mono); font-size: 11.5px; color: var(--body); line-height: 1.7; }
.dl-meta b { font-weight: 600; color: var(--ink-2); }
.dl-note { grid-column: 2 / -1; font-size: 12px; color: var(--muted); margin-top: -4px; display: none; }
.dl-item.expanded .dl-note { display: block; }
.dl-list-head { display: grid; grid-template-columns: 44px minmax(0, 1fr) 150px 118px 96px; gap: 16px; padding: 10px 18px; background: var(--bg-alt); border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.empty { padding: 44px 20px; text-align: center; color: var(--muted); font-size: 14px; }

.lock-note { display: flex; align-items: flex-start; gap: 10px; padding: 14px 16px; background: #fff8f0; border: 1px solid #f5ddc2; border-radius: var(--r); font-size: 13px; color: #8a5320; line-height: 1.7; margin-bottom: 20px; }
.lock-note svg { flex: none; margin-top: 2px; }
.code-row { display: flex; gap: 8px; }
.code-row input { flex: 1; font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.form-msg { font-size: 13px; margin-top: 10px; min-height: 20px; }
.form-msg.err { color: #b42318; }
.form-msg.ok { color: #067647; }

.table-wrap { border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; background: #fff; }
.data thead th {
  text-align: left; padding: 12px 18px; background: var(--bg-alt); color: var(--muted);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.data tbody td { padding: 14px 18px; border-bottom: 1px solid var(--line); color: var(--body); vertical-align: top; }
.data tbody tr:last-child td { border-bottom: 0; }
.data tbody tr:hover { background: #fafcff; }
.data b { color: var(--ink); font-weight: 600; }
.data .lv { font-family: var(--mono); font-size: 12px; color: var(--ink); white-space: nowrap; }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.step { position: relative; padding-top: 40px; }
.step::before {
  content: attr(data-n); position: absolute; top: 0; left: 0; font-family: var(--mono); font-size: 12px;
  color: var(--primary); border: 1px solid #c5d9f2; background: var(--primary-l); width: 26px; height: 26px;
  display: grid; place-items: center; border-radius: 50%;
}
.step::after { content: ""; position: absolute; top: 13px; left: 34px; right: -20px; height: 1px; background: var(--line); }
.step:last-child::after { display: none; }
.step h4 { font-size: 16px; margin-bottom: 6px; }
.step p { margin: 0; font-size: 13.5px; line-height: 1.75; }

.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 20px 4px; background: none; border: 0; text-align: left; cursor: pointer;
  font-family: inherit; font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.6;
}
.faq-q:hover { color: var(--primary); }
.faq-q .ic { flex: none; width: 18px; height: 18px; position: relative; color: var(--muted); }
.faq-q .ic::before, .faq-q .ic::after { content: ""; position: absolute; background: currentColor; transition: .22s; }
.faq-q .ic::before { left: 0; top: 8px; width: 18px; height: 1.5px; }
.faq-q .ic::after { left: 8px; top: 0; width: 1.5px; height: 18px; }
.faq-q[aria-expanded="true"] .ic::after { transform: rotate(90deg); opacity: 0; }
.faq-a { overflow: hidden; height: 0; transition: height .26s ease; }
.faq-a > div { padding: 0 44px 22px 4px; font-size: 14.5px; line-height: 1.85; color: var(--body); }

/* 10. Forms ----------------------------------------------------------------- */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field label .req { color: #c0361f; margin-left: 3px; }
.field .hint { font-size: 12px; color: var(--muted); }
.field-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.check { display: flex; align-items: flex-start; gap: 9px; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.check input { margin-top: 3px; flex: none; }
.success-box { text-align: center; padding: 40px 24px; }
.success-box .tick { width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%; background: var(--accent-l); color: #067a70; display: grid; place-items: center; }
.ticket-no { font-family: var(--mono); font-size: 20px; letter-spacing: .06em; color: var(--ink); background: var(--bg-alt); border: 1px dashed var(--line-2); border-radius: var(--r); padding: 10px 18px; display: inline-block; margin: 6px 0 18px; }

.contact-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 48px; align-items: start; }
.info-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.info-row dt { color: var(--muted); font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; padding-top: 3px; }
.info-row dd { margin: 0; color: var(--ink); line-height: 1.7; }
.info-row dd a { color: var(--ink); }
.info-row dd a:hover { color: var(--primary); }

/* 11. Footer ---------------------------------------------------------------- */
.footer { background: var(--bg-deep); color: #8fa6ba; padding: 64px 0 0; font-size: 13.5px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 44px; }
.footer .brand { color: #fff; margin-bottom: 16px; }
.footer .brand-sub { color: #6d8499; }
.footer-desc { line-height: 1.85; color: #8fa6ba; max-width: 38ch; margin-bottom: 20px; }
.footer h4 { color: #d6e3ee; font-size: 13px; letter-spacing: .06em; margin-bottom: 14px; font-weight: 600; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #8fa6ba; }
.footer-links a:hover { color: #fff; }
.footer-tel { font-family: var(--mono); font-size: 21px; color: #fff; letter-spacing: .01em; display: block; margin-bottom: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 0 26px; display: flex;
  flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between;
  font-size: 12px; color: #6d8499;
}
.footer-bottom a { color: #8fa6ba; }
.footer-bottom .police { display: inline-flex; align-items: center; gap: 6px; }

/* 12. Motion ---------------------------------------------------------------- */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
html.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

/* 13. Responsive ------------------------------------------------------------ */
.mobile-nav { display: none; }
@media (max-width: 1120px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .panel { max-width: 560px; }
  .detail { grid-template-columns: 1fr; gap: 40px; }
  .aside { position: static; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 980px) {
  .nav, .header-cta .btn-line { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .header-cta { margin-left: 0; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .prod-grid, .board-grid, .g-3 { grid-template-columns: 1fr 1fr; }
  .g-4 { grid-template-columns: 1fr 1fr; }
  .sec-head { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .dl-list-head { display: none; }
  .dl-item { grid-template-columns: 40px minmax(0, 1fr) auto; gap: 12px 14px; }
  .dl-item .dl-meta.m-os, .dl-item .dl-meta.m-size { display: none; }
  .dl-item .dl-note { grid-column: 1 / -1; }
  .mobile-nav {
    display: block; position: fixed; inset: var(--nav-h) 0 0; background: #fff; z-index: 89;
    padding: 20px 24px 40px; overflow-y: auto; border-top: 1px solid var(--line);
  }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav .m-cat { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 22px 0 8px; }
  .mobile-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 15px; }
  .mobile-nav .m-cta { display: grid; gap: 10px; margin-top: 26px; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 20px; }
  .sec { padding: 64px 0; }
  .sec-sm { padding: 48px 0; }
  .topbar .wrap { height: auto; min-height: 36px; padding-top: 6px; padding-bottom: 6px; gap: 12px; }
  .topbar span, .topbar a { white-space: nowrap; }
  .hero .wrap { padding-top: 56px; padding-bottom: 60px; }
  .topbar-l span:nth-child(2), .topbar .sep { display: none; }
  .hero-meta div { padding-right: 20px; margin-right: 20px; }
  .hero-meta dt { font-size: 19px; }
  .prod-grid, .board-grid, .case-grid, .g-2, .g-3, .g-4, .cap-grid, .pillars { grid-template-columns: 1fr; }
  .pillar { padding: 24px 22px; }
  .news-item { grid-template-columns: 1fr auto; gap: 8px 16px; }
  .news-item .date { grid-column: 1; }
  .news-item h3 { grid-column: 1 / -1; order: -1; }
  .news-item p { display: none; }
  .cta-inner { grid-template-columns: 1fr; gap: 24px; padding: 48px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .form-card { padding: 22px; }
  .field-2 { grid-template-columns: 1fr; }
  .spec-table th { width: 108px; }
  .data thead { display: none; }
  .data tbody tr { display: block; padding: 14px 16px; border-bottom: 1px solid var(--line); }
  .data tbody td { display: block; border: 0; padding: 3px 0; }
  .data tbody td::before { content: attr(data-th) "："; color: var(--muted); font-size: 11.5px; }
  .detail { padding: 44px 0 64px; }
  .dl-item { grid-template-columns: 36px minmax(0, 1fr); }
  .dl-item .dl-action { grid-column: 1 / -1; }
  .dl-item .dl-action .btn { width: 100%; }
  .page-hero { padding: 28px 0 40px; }
  .toolbar { padding: 12px; }
  .toolbar .grow, .toolbar select { flex: 1 1 100%; width: 100%; }
}
@media (max-width: 640px) {
  .topbar-l span:nth-child(3), .topbar .sep { display: none; }
  .topbar-r a:nth-child(2) { display: none; }
  .topbar-l span:first-child { font-size: 12px; }
}

/* 14. 追加：授权码条、提示条、案例整行 ------------------------------------- */
.lock-bar {
  display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: flex-end; justify-content: space-between;
  padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff;
  box-shadow: var(--sh-1); margin-top: 4px;
}
.lock-bar .code-row { max-width: 420px; width: 100%; }
.lock-bar.unlocked { border-color: #b7e4dd; background: #f7fdfc; }
.lock-bar.unlocked #lockState { color: #067a70; }
#lockBar .btn { height: 40px; }

.case-grid > .case-card:last-child:nth-child(odd) { grid-column: 1 / -1; }

.toast {
  position: fixed; left: 50%; bottom: 32px; z-index: 300;
  transform: translate(-50%, 14px); opacity: 0; pointer-events: none;
  background: var(--ink); color: #fff; font-size: 13.5px; line-height: 1.6;
  padding: 12px 20px; border-radius: var(--r); box-shadow: 0 16px 40px -16px rgba(10, 27, 46, .6);
  transition: opacity .22s, transform .22s; max-width: min(90vw, 520px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.js-dl.is-unlocked { }
.dl-item.is-locked .btn { color: var(--muted); }
.dl-item .tag { font-size: 10px; padding: 1px 6px; }
.lic-hint { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 6px; }

/* ==========================================================================
   15. V3.0：信任标签 / 轮播 / 方案 / 案例 / 资质墙 / 时间轴 / 悬浮按钮
   ========================================================================== */

/* 信任标签（安全橙，仅用于硬核信任信息） */
.hot-tag {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  background: var(--hot-l); color: #c2410c; border: 1px solid #ffd6bd;
  font-size: 12px; font-weight: 600; line-height: 1.7; white-space: nowrap;
}
.topbar .hot-tag { padding: 0 10px; font-size: 11.5px; }
.hotline { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-weight: 600; font-size: 13.5px; margin-right: 8px; }
.hotline:hover { color: var(--primary); }

/* ---------------------------------------------------------------- 首屏轮播 */
.hero-carousel { position: relative; background: var(--bg-deep); overflow: hidden; }
.hero-carousel .slide { display: none; position: relative; min-height: 520px; }
.hero-carousel .slide.on { display: block; animation: slideIn .7s cubic-bezier(.22,.61,.36,1); }
@keyframes slideIn { from { opacity: 0; transform: scale(1.015); } to { opacity: 1; transform: none; } }
.slide-art { position: absolute; inset: 0; }
.slide-art svg { width: 100%; height: 100%; display: block; }
.slide-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,42,74,.25) 0%, rgba(10,42,74,.05) 40%, rgba(10,42,74,.88) 100%); }
.slide-txt { position: relative; z-index: 2; max-width: 1120px; margin: 0 auto; padding: 96px 20px 200px; }
.slide-scene {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .12em;
  color: #9cc3ee; border: 1px solid rgba(124,176,240,.45); padding: 3px 12px; border-radius: 999px; margin-bottom: 18px;
  background: rgba(10,42,74,.45); backdrop-filter: blur(2px);
}
.slide-txt h1 { color: #fff; font-size: clamp(32px, 4.2vw, 54px); max-width: 640px; text-shadow: 0 2px 24px rgba(4,20,38,.55); }
.slide-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.slide-tags span {
  font-family: var(--mono); font-size: 12.5px; color: #cfe2f7; padding: 5px 12px;
  border: 1px solid rgba(124,176,240,.35); border-radius: var(--r); background: rgba(13,49,87,.6);
}
.slide-dots { position: absolute; right: calc((100% - 1120px) / 2); bottom: 44px; z-index: 3; display: grid; gap: 10px; }
.slide-dots button { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.32); cursor: pointer; padding: 0; transition: all .25s; }
.slide-dots button[aria-selected="true"] { background: var(--hot); transform: scale(1.25); }
.hero-panel {
  position: absolute; z-index: 2; top: 92px; right: max(24px, calc((100% - 1240px) / 2));
  display: grid; gap: 5px; max-width: 280px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.55; color: #cfe2f7;
  background: rgba(13, 49, 87, .94); border: 1px solid #24568a; border-radius: 8px;
  padding: 12px 16px; backdrop-filter: blur(3px); box-shadow: 0 8px 28px -14px rgba(4, 20, 38, .6);
}
.hero-panel b { color: #7FB4F0; font-weight: 600; }
.hero-panel span { display: block; }
.hero-panel .ok { color: #9fd08f; }
.hero-panel .warn { color: #f0b45f; }
.hero-anchor { position: relative; z-index: 2; margin-top: -150px; padding-bottom: 34px; }
.narrative { color: #b9d2ea; max-width: 720px; font-size: 15.5px; line-height: 1.9; margin: 0 0 20px; }

/* 信任条（无限横向滚动） */
.trust-bar { position: relative; z-index: 2; background: rgba(6,26,47,.85); border-top: 1px solid rgba(124,176,240,.18); overflow: hidden; }
.trust-track { display: flex; gap: 0; width: max-content; animation: trustMove 30s linear infinite; }
.trust-bar:hover .trust-track { animation-play-state: paused; }
.t-item { white-space: nowrap; padding: 12px 26px; color: #9db8d4; font-size: 13px; border-right: 1px solid rgba(124,176,240,.14); }
.t-item.hot { color: #ffb28c; font-weight: 600; }
@keyframes trustMove { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .trust-track { animation: none; } .hero-carousel .slide.on { animation: none; } }

/* ---------------------------------------------------------------- 解决方案卡 */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sol-card {
  display: flex; flex-direction: column; gap: 12px; padding: 26px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--sh-1); color: var(--body); transition: transform .22s, box-shadow .22s, border-color .22s;
}
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--primary-l); color: var(--body); }
.sol-head { display: flex; align-items: center; gap: 10px; }
.sol-ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--bg-deep); color: #7FB4F0; }
.sol-name { font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--muted); }
.sol-card h3 { font-size: 19px; }
.sol-card > p { margin: 0; font-size: 14px; }
.sol-caps { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 2px 0 0; }
.sol-caps li { font-size: 12.5px; color: var(--ink-2); background: var(--bg-alt); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; }
.sol-trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.ext-line { margin-top: 26px; color: var(--muted); }
.ext-line a { color: var(--primary); }

/* 方案详情 */
.pain-list { list-style: none; display: grid; gap: 12px; margin: 14px 0 0; padding: 0; }
.pain-list li { position: relative; padding: 14px 18px 14px 44px; background: var(--bg-alt); border-radius: var(--r); color: var(--ink-2); font-size: 15px; }
.pain-list li::before { content: "!"; position: absolute; left: 16px; top: 13px; width: 18px; height: 18px; border-radius: 50%; background: var(--hot-l); color: #c2410c; font-weight: 800; font-size: 12px; display: grid; place-items: center; }
.cap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.cap-card { background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--primary); border-radius: var(--r); padding: 22px; box-shadow: var(--sh-1); }
.cap-card h3 { font-size: 17px; margin-bottom: 8px; }
.cap-card p { margin: 0; font-size: 14px; }

/* ---------------------------------------------------------------- 标杆案例 */
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.feat-card { position: relative; display: block; background: var(--bg-deep); border-radius: var(--r-lg); overflow: hidden; color: #cfe0f2; transition: transform .22s, box-shadow .22s; box-shadow: var(--sh-1); }
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); color: #e6f0fb; }
.case-bar { display: block; height: 5px; background: var(--primary); }
.case-bar[data-ind="mining"] { background: #FF6B35; }
.case-bar[data-ind="city"] { background: #1E6FD9; }
.case-bar[data-ind="emergency"] { background: #D64545; }
.case-bar[data-ind="railway"] { background: #0A8F7B; }
.case-bar[data-ind="other"] { background: #7A8CA0; }
.feat-body { padding: 26px; }
.feat-card h3 { color: #fff; font-size: 21px; margin: 10px 0 8px; }
.feat-card p { margin: 0 0 14px; font-size: 14px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.case-meta .status { font-size: 12px; font-weight: 700; color: #9fd08f; border: 1px solid rgba(159,208,143,.4); padding: 1px 9px; border-radius: 999px; }
.case-meta .loc, .case-meta .ptype { font-size: 12px; color: #8fadd0; }
.feat-card .tag.on-light { background: rgba(13,49,87,.8); border-color: rgba(124,176,240,.3); color: #cfe2f7; }

/* ---------------------------------------------------------------- 案例中心 */
.filter-bar { display: grid; gap: 12px; margin-bottom: 30px; }
.f-group { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.f-label { font-size: 13px; font-weight: 700; color: var(--muted); margin-right: 4px; min-width: 34px; }
.f-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink-2); font-size: 13.5px; background: #fff; transition: all .18s;
}
.f-chip small { color: var(--muted); font-size: 11px; }
.f-chip:hover { border-color: var(--primary); color: var(--primary); }
.f-chip.on { background: var(--bg-deep); border-color: var(--bg-deep); color: #fff; }
.f-chip.on small { color: #9cc3ee; }

/* ---------------------------------------------------------------- 资质墙 / 统计 */
.qual-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.qual-card { display: grid; gap: 4px; padding: 26px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-1); }
.qual-card.hot { background: linear-gradient(160deg, #fff 55%, var(--hot-l)); border-color: #ffd6bd; }
.qual-big { font-size: 34px; font-weight: 800; color: var(--bg-deep); letter-spacing: -.02em; font-family: "DIN Alternate", "Helvetica Neue", var(--sans); }
.qual-card.hot .qual-big { color: #c2410c; }
.qual-title { font-weight: 700; color: var(--ink); font-size: 15.5px; }
.qual-sub { font-size: 12.5px; color: var(--muted); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; margin-top: 24px; }
.stat-cell { display: grid; gap: 2px; background: #fff; padding: 18px 20px; }
.stat-num { font-size: 26px; font-weight: 800; color: var(--primary); font-family: "DIN Alternate", "Helvetica Neue", var(--sans); }
.stat-label { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.stat-sub { font-size: 12px; color: var(--muted); }

/* ---------------------------------------------------------------- 时间轴 */
.timeline { list-style: none; margin: 12px 0 0; padding: 0 0 0 4px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 66px; top: 8px; bottom: 8px; width: 2px; background: var(--line-2); }
.tl-item { position: relative; display: grid; grid-template-columns: 52px 1fr; gap: 34px; padding: 0 0 30px 0; }
.tl-year { text-align: right; font-family: "DIN Alternate", var(--mono); font-weight: 800; color: var(--primary); font-size: 15px; padding-top: 2px; }
.tl-item::after { content: ""; position: absolute; left: 61px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--primary); }
.tl-item h4 { margin-bottom: 4px; }
.tl-item p { margin: 0; font-size: 14px; }

/* ---------------------------------------------------------------- 服务承诺 */
.promise-banner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: var(--bg-deep); color: #cfe0f2; border-radius: var(--r-lg);
  padding: 16px 22px; margin-bottom: 22px; box-shadow: var(--sh-1);
}
.promise-banner svg { color: #ffb28c; flex: none; }
.promise-banner b { color: #fff; margin-right: 10px; }
.promise-banner span { font-size: 14.5px; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
.promise-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--sh-1); }
.promise-card .pv { font-size: 30px; font-weight: 800; color: var(--primary); font-family: "DIN Alternate", "Helvetica Neue", var(--sans); }
.promise-card .pv.hot { color: var(--hot); }
.promise-card h3 { font-size: 15.5px; margin: 6px 0 4px; }
.promise-card p { margin: 0; font-size: 13.5px; color: var(--muted); }

/* ---------------------------------------------------------------- 验证码 */
.cap-row { display: flex; align-items: center; gap: 10px; }
.cap-row input { max-width: 130px; }
.cap-q { font-size: 15px; color: var(--ink); white-space: nowrap; }

/* ---------------------------------------------------------------- 移动端悬浮按钮 */
.mobile-float { display: none; }

/* ---------------------------------------------------------------- 响应式补充 */
@media (max-width: 1080px) {
  .slide-dots { right: 18px; }
}
@media (max-width: 960px) {
  .sol-grid, .feat-grid, .qual-grid { grid-template-columns: 1fr 1fr; }
  .promise-grid { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .hero-carousel .slide { min-height: 560px; }
  .slide-txt { padding: 72px 20px 210px; }
  .hero-panel { display: none; }
  .slide-dots { display: flex; left: 20px; right: auto; top: auto; bottom: 128px; }
  .sol-grid, .feat-grid, .qual-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .tl-item { grid-template-columns: 44px 1fr; gap: 20px; }
  .timeline::before { left: 56px; }
  .tl-item::after { left: 51px; }
  .mobile-float {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 220;
    background: var(--line); border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px -12px rgba(10,27,46,.4);
  }
  .mf-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 0; font-size: 14.5px; font-weight: 700; }
  .mf-call { background: var(--bg-deep); color: #fff; }
  .mf-chat { background: var(--primary); color: #fff; }
  body { padding-bottom: 52px; }
}

/* ---------------------------------------------------------------- 窄屏页头修正
   置于文件末尾：.hotline / .brand-img 等规则在后段追加区还有定义，
   写在前面会被后者覆盖，媒体查询必须放到最后才生效。 */
@media (max-width: 640px) {
  .topbar .wrap { gap: 10px; }
  .topbar-r a:nth-child(3) { display: none; }
  .header .wrap { gap: 10px; }
  .brand-img { height: 30px; }
  .hotline { display: none; }
  .header-cta { gap: 8px; }
}