/* ==========================================================================
   欧泰克液压 · 企业门户样式表  (op.guangta.cloud)
   设计语言：深空科技底 + 极光渐变 + 玻璃拟态 + 微交互
   2026-10-13 重建：从 Stellar 主题切到自建静态站
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 浅色蓝白：白底 + 深蓝主色，正式、白天好看、打印友好 */
  --bg-0: #f4f8fd;
  --bg-1: #ffffff;
  --bg-2: #eaf2fb;
  --surface: rgba(19, 71, 132, .04);
  --surface-2: rgba(19, 71, 132, .07);
  --line: rgba(19, 71, 132, .13);
  --line-strong: rgba(19, 71, 132, .22);

  --txt-0: #0d2b47;
  --txt-1: #2c4863;
  --txt-2: #62798f;

  --c1: #1a63c8;   /* 主蓝 */
  --c2: #0f8ba6;   /* 青（对比度足够） */
  --c3: #6d3fd1;   /* 紫 */
  --c4: #0f9e6e;   /* 绿 */
  --warn: #b8770a;

  --grad-main: linear-gradient(120deg, #1a63c8, #0f8ba6);
  --grad-hot: linear-gradient(120deg, #6d3fd1, #1a63c8);
  --grad-text: linear-gradient(100deg, #124f9c 0%, #0d7fa0 45%, #5b34b8 100%);

  --r-s: 10px;
  --r-m: 16px;
  --r-l: 22px;
  --r-xl: 30px;

  --shadow-m: 0 14px 32px -20px rgba(16, 58, 110, .38);
  --shadow-l: 0 28px 64px -38px rgba(16, 58, 110, .45);
  --glow: 0 0 0 1px rgba(26, 99, 200, .22), 0 22px 60px -30px rgba(26, 99, 200, .40);

  --nav-h: 72px;
  --maxw: 1240px;
  --ease: cubic-bezier(.22, .68, 0, 1);
  --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

/* ---------- 2. 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--txt-1);
  background: var(--bg-0);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {  /* 全局网格 + 极光底 */
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(26, 99, 200, .10), transparent 60%),
    radial-gradient(760px 480px at 92% 4%, rgba(109, 63, 209, .07), transparent 62%),
    radial-gradient(680px 520px at 50% 108%, rgba(15, 139, 166, .08), transparent 60%),
    var(--bg-0);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(19, 71, 132, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 71, 132, .055) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--txt-0); margin: 0; line-height: 1.22; font-weight: 700; letter-spacing: -.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(26, 99, 200, .18); color: #0d2b47; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; position: relative; }
.section--tight { padding: 72px 0; }
.grid2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.grid2--rev > :first-child { order: 2; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c2); font-weight: 600; margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--grad-main); }
.sec-title { font-size: clamp(30px, 3.6vw, 48px); }
.sec-sub { margin-top: 16px; font-size: 16.5px; color: var(--txt-2); max-width: 660px; }
.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 3. 进度条 / 顶栏 ---------- */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: var(--grad-text); z-index: 120; box-shadow: 0 0 14px rgba(26, 99, 200, .45);
}
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 100;
  display: flex; align-items: center;
  transition: background .45s var(--ease), border-color .45s, height .45s var(--ease), backdrop-filter .45s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  height: 62px;
  background: rgba(255, 255, 255, .84);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 28px; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--txt-0); letter-spacing: .04em; }
.brand__mark {
  width: 38px; height: 38px; border-radius: 11px; flex: 0 0 auto;
  background: var(--grad-main); display: grid; place-items: center;
  box-shadow: 0 10px 26px -12px rgba(26, 99, 200, .55);
}
.brand__mark svg { width: 21px; height: 21px; }
.brand__txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: 17px; }
.brand__en { font-size: 10px; letter-spacing: .3em; color: var(--txt-2); font-weight: 500; }

.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative; padding: 9px 14px; border-radius: 999px;
  font-size: 14.5px; color: var(--txt-1); transition: color .3s, background .3s;
}
.nav__link:hover { color: var(--c1); background: var(--surface-2); }
.nav__link.is-active { color: var(--c1); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
  width: 18px; height: 2px; border-radius: 2px; background: var(--grad-text);
}
.nav__cta { margin-left: 10px; }
.burger {
  display: none; width: 42px; height: 42px; border-radius: 12px; margin-left: auto;
  border: 1px solid var(--line); background: var(--surface); cursor: pointer;
  align-items: center; justify-content: center;
}
.burger span { display: block; width: 17px; height: 1.6px; background: var(--txt-0); position: relative; }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 17px; height: 1.6px; background: var(--txt-0);
}
.burger span::before { top: -6px; } .burger span::after { top: 6px; }
.drawer {
  position: fixed; inset: var(--nav-h) 0 0; z-index: 99; padding: 26px 24px 40px;
  background: rgba(247, 250, 254, .97); backdrop-filter: blur(14px);
  transform: translateY(-8%); opacity: 0; pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
  display: flex; flex-direction: column; gap: 4px;
}
.drawer.is-open { opacity: 1; transform: none; pointer-events: auto; }
.drawer a {
  font-size: 19px; color: var(--txt-0); padding: 15px 4px; border-bottom: 1px solid var(--line);
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  padding: 13px 24px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: transform .3s var(--ease), box-shadow .3s, background .3s, border-color .3s;
  font-family: inherit; white-space: nowrap;
}
.btn--primary { background: var(--grad-main); color: #fff; box-shadow: 0 16px 36px -18px rgba(26, 99, 200, .45); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -18px rgba(26, 99, 200, .55); }
.btn--ghost { border-color: var(--line-strong); color: var(--txt-0); background: var(--surface); }
.btn--ghost:hover { background: var(--surface-2); transform: translateY(-2px); border-color: rgba(19, 71, 132, .32); }
.btn--sm { padding: 9px 16px; font-size: 13px; }
.btn--block { width: 100%; }

/* ---------- 5. 首屏 ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 92px) 0 96px; overflow: hidden; }
.hero__blobs { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5;
  animation: float 18s ease-in-out infinite;
}
.blob--1 { width: 520px; height: 520px; background: rgba(26, 99, 200, .26); top: -140px; left: -80px; }
.blob--2 { width: 460px; height: 460px; background: rgba(109, 63, 209, .18); top: 40px; right: -120px; animation-delay: -6s; }
.blob--3 { width: 420px; height: 420px; background: rgba(15, 139, 166, .20); bottom: -180px; left: 38%; animation-delay: -11s; }
@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33% { transform: translate3d(38px, -26px, 0) scale(1.06); }
  66% { transform: translate3d(-30px, 22px, 0) scale(.96); }
}
.hero__grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 60px; align-items: center; position: relative; }
.pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 15px 7px 9px;
  border: 1px solid var(--line-strong); border-radius: 999px; background: var(--surface);
  font-size: 13px; color: var(--txt-1); backdrop-filter: blur(8px);
}
.pill b { color: var(--txt-0); font-weight: 600; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--c4); box-shadow: 0 0 0 4px rgba(15, 158, 110, .16); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.hero h1 { font-size: clamp(38px, 5.4vw, 68px); margin: 26px 0 0; letter-spacing: -.035em; }
.hero__lead { margin-top: 22px; font-size: 17.5px; color: var(--txt-1); max-width: 560px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 34px; margin-top: 46px; padding-top: 30px; border-top: 1px solid var(--line); }
.hero__meta div span { display: block; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--txt-2); }
.hero__meta div strong { font-size: 26px; color: var(--txt-0); font-family: var(--mono); letter-spacing: -.02em; }

/* 首屏右侧面板 */
.panel {
  position: relative; border-radius: var(--r-xl); padding: 22px;
  border: 1px solid var(--line-strong); background: linear-gradient(160deg, #ffffff, #f2f8ff);
  backdrop-filter: blur(20px); box-shadow: var(--shadow-l);
}
.panel__head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.panel__head span { font-size: 12.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--txt-2); }
.panel__row {
  display: grid; grid-template-columns: 40px 1fr auto; gap: 13px; align-items: center;
  padding: 13px 0; border-bottom: 1px dashed var(--line);
}
.panel__row:last-child { border-bottom: 0; }
.panel__ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--line); }
.panel__ico svg { width: 19px; height: 19px; }
.panel__row b { display: block; color: var(--txt-0); font-size: 14.5px; font-weight: 600; }
.panel__row em { font-style: normal; font-size: 12.5px; color: var(--txt-2); }
.tag { font-size: 11.5px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--txt-1); white-space: nowrap; }
.tag--ok { color: var(--c4); border-color: rgba(15, 158, 110, .35); background: rgba(15, 158, 110, .08); }
.tag--hot { color: var(--c3); border-color: rgba(109, 63, 209, .3); background: rgba(109, 63, 209, .08); }

/* ---------- 6. 滚动条带 / 数据 ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; overflow: hidden; background: rgba(19, 71, 132, .03); }
.marquee__track { display: flex; gap: 62px; width: max-content; animation: slide 34s linear infinite; }
.marquee__track span { color: var(--txt-2); font-size: 15px; letter-spacing: .1em; white-space: nowrap; display: flex; align-items: center; gap: 10px; }
.marquee__track span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c1); opacity: .7; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  padding: 28px 24px; border-radius: var(--r-l); border: 1px solid var(--line);
  background: linear-gradient(165deg, #ffffff, #f4f9ff);
  position: relative; overflow: hidden;
}
.stat::after { content: ""; position: absolute; inset: auto -30% -60% auto; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(26, 99, 200, .16), transparent 68%); }
.stat b { font-family: var(--mono); font-size: 40px; color: var(--txt-0); letter-spacing: -.03em; display: block; }
.stat b i { font-style: normal; font-size: 20px; color: var(--c2); }
.stat span { font-size: 13.5px; color: var(--txt-2); }

/* ---------- 7. 卡片族 ---------- */
.cards { display: grid; gap: 22px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative; border-radius: var(--r-l); padding: 30px 26px; border: 1px solid var(--line);
  background: linear-gradient(165deg, #ffffff, #f5faff);
  overflow: hidden; transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .45s;
  background: radial-gradient(420px 220px at var(--mx, 50%) var(--my, 0%), rgba(26, 99, 200, .10), transparent 65%);
}
.card:hover { transform: translateY(-6px); border-color: rgba(26, 99, 200, .40); box-shadow: var(--shadow-l); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; }
.card h3 { font-size: 19px; margin-bottom: 11px; }
.card p { font-size: 15px; color: var(--txt-1); }
.card__ico {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(150deg, rgba(26, 99, 200, .12), rgba(15, 139, 166, .08));
  border: 1px solid rgba(26, 99, 200, .22);
}
.card__ico svg { width: 24px; height: 24px; stroke: var(--c1); }
.card__link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-size: 13.5px; color: var(--c2); font-weight: 600; }
.card__link svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.card:hover .card__link svg { transform: translateX(4px); }

/* 产品卡 */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prod {
  border-radius: var(--r-l); border: 1px solid var(--line); overflow: hidden; background: var(--bg-1);
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s; display: flex; flex-direction: column;
}
.prod:hover { transform: translateY(-7px); border-color: rgba(15, 139, 166, .45); box-shadow: var(--shadow-l); }
.prod__visual { height: 188px; position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.prod__visual svg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .95; }
.prod__badge {
  position: absolute; top: 14px; left: 14px; font-size: 11.5px; padding: 5px 11px; border-radius: 999px;
  background: rgba(255, 255, 255, .88); border: 1px solid var(--line-strong); color: var(--txt-1); backdrop-filter: blur(6px);
}
.prod__body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.prod__body h3 { font-size: 18.5px; }
.prod__body p { font-size: 14.3px; color: var(--txt-2); flex: 1; }
.prod__specs { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  font-size: 12px; padding: 4px 10px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--surface); color: var(--txt-1); font-family: var(--mono);
}
.prod__foot { display: flex; align-items: center; justify-content: space-between; padding-top: 15px; border-top: 1px solid var(--line); }
.prod__code { font-family: var(--mono); font-size: 12px; color: var(--txt-2); }

/* 筛选 */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter {
  padding: 9px 18px; border-radius: 999px; font-size: 13.5px; cursor: pointer; font-family: inherit;
  border: 1px solid var(--line); background: var(--surface); color: var(--txt-1); transition: all .3s var(--ease);
}
.filter:hover { color: var(--c1); border-color: var(--line-strong); }
.filter.is-on { background: var(--grad-main); color: #fff; border-color: transparent; font-weight: 600; }
.hide { display: none !important; }

/* 案例 */
.case {
  border-radius: var(--r-l); border: 1px solid var(--line); padding: 30px; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #ffffff, #f6faff);
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.case:hover { transform: translateY(-6px); border-color: rgba(109, 63, 209, .35); box-shadow: var(--shadow-l); }
.case__top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.case h3 { font-size: 20px; }
.case__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.case__metrics div b { display: block; font-family: var(--mono); font-size: 21px; color: var(--txt-0); }
.case__metrics div span { font-size: 12px; color: var(--txt-2); }

/* ---------- 8. 时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--c1), var(--c3), transparent); }
.tl-item { position: relative; padding: 0 0 34px 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 7px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 2px solid var(--c2); box-shadow: 0 0 0 5px rgba(15, 139, 166, .12);
}
.tl-item time { font-family: var(--mono); font-size: 13px; color: var(--c2); letter-spacing: .06em; }
.tl-item h4 { font-size: 17px; margin: 8px 0 8px; }
.tl-item p { font-size: 14.4px; color: var(--txt-2); }

/* ---------- 9. 下载中心 ---------- */
.dl-table { border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; background: #ffffff; }
.dl-row {
  display: grid; grid-template-columns: 56px 1fr 150px 120px 132px; gap: 18px; align-items: center;
  padding: 18px 22px; border-bottom: 1px solid var(--line); transition: background .3s;
}
.dl-row:last-child { border-bottom: 0; }
.dl-row:hover { background: rgba(26, 99, 200, .05); }
.dl-row--head { background: rgba(19, 71, 132, .05); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--txt-2); }
.dl-ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .04em; }
.dl-ico--pdf { background: rgba(198, 40, 40, .08); color: #b3272b; border: 1px solid rgba(198, 40, 40, .28); }
.dl-ico--zip { background: rgba(184, 119, 10, .10); color: #96660a; border: 1px solid rgba(184, 119, 10, .28); }
.dl-ico--xls { background: rgba(15, 158, 110, .10); color: #0b7d57; border: 1px solid rgba(15, 158, 110, .28); }
.dl-ico--dwg { background: rgba(26, 99, 200, .10); color: var(--c1); border: 1px solid rgba(26, 99, 200, .28); }
.dl-row b { color: var(--txt-0); font-size: 15.5px; font-weight: 600; display: block; }
.dl-row em { font-style: normal; font-size: 13px; color: var(--txt-2); }
.dl-row .mono { font-family: var(--mono); font-size: 13px; color: var(--txt-2); }
.search {
  display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); max-width: 340px; margin-bottom: 24px;
}
.search input { background: none; border: 0; outline: 0; color: var(--txt-0); font-family: inherit; font-size: 14px; width: 100%; }
.search input::placeholder { color: var(--txt-2); }

/* ---------- 10. 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; }
.info-card { border: 1px solid var(--line); border-radius: var(--r-l); padding: 28px; background: linear-gradient(165deg, #ffffff, #f4f9ff); }
.info-row { display: flex; gap: 15px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.info-row:last-child { border-bottom: 0; }
.info-row svg { width: 19px; height: 19px; stroke: var(--c2); flex: 0 0 auto; margin-top: 5px; }
.info-row b { display: block; color: var(--txt-0); font-size: 15px; }
.info-row span { font-size: 13.6px; color: var(--txt-2); }
.form { border: 1px solid var(--line); border-radius: var(--r-l); padding: 30px; background: linear-gradient(165deg, #ffffff, #f5faff); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--txt-2); margin-bottom: 8px; letter-spacing: .04em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: var(--r-s); font-family: inherit; font-size: 14.5px;
  background: #ffffff; border: 1px solid var(--line); color: var(--txt-0); outline: 0;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c1); box-shadow: 0 0 0 4px rgba(26, 99, 200, .12); background: #ffffff; }
.field textarea { resize: vertical; min-height: 118px; }
.field__err { font-size: 12.5px; color: #c62828; margin-top: 6px; display: none; }
.field.is-bad input, .field.is-bad textarea { border-color: #c62828; }
.field.is-bad .field__err { display: block; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.map {
  margin-top: 34px; border: 1px solid var(--line); border-radius: var(--r-l); height: 260px; position: relative; overflow: hidden;
  background:
    linear-gradient(90deg, rgba(19, 71, 132, .07) 1px, transparent 1px) 0 0/54px 54px,
    linear-gradient(rgba(19, 71, 132, .07) 1px, transparent 1px) 0 0/54px 54px,
    radial-gradient(600px 260px at 70% 30%, rgba(26, 99, 200, .10), transparent 70%), #eef5fd;
  display: grid; place-items: center;
}
.map__pin { display: grid; place-items: center; gap: 10px; text-align: center; }
.map__pin b { color: var(--txt-0); }
.map__pin span { font-size: 13px; color: var(--txt-2); }

/* ---------- 11. CTA / 页脚 ---------- */
.cta {
  border: 1px solid var(--line-strong); border-radius: var(--r-xl); padding: 54px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(140deg, rgba(26, 99, 200, .10), rgba(109, 63, 209, .07)), #f4f9ff;
}
.cta::after { content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(15, 139, 166, .14), transparent 65%); top: -220px; right: -120px; }
.cta > * { position: relative; }
.cta h2 { font-size: clamp(26px, 3vw, 40px); }
.cta__actions { display: flex; gap: 14px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }

.footer { border-top: 1px solid var(--line); padding: 68px 0 30px; margin-top: 40px; background: #eef5fd; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; }
.footer__grid h5 { color: var(--txt-0); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 16px; }
.footer__grid li { margin-bottom: 10px; font-size: 14px; color: var(--txt-2); }
.footer__grid li a:hover { color: var(--c2); }
.footer__about p { font-size: 14px; color: var(--txt-2); margin-top: 16px; max-width: 300px; }
.qr { width: 92px; height: 92px; border-radius: 12px; border: 1px solid var(--line); background: #ffffff; padding: 8px; }
.footer__bottom { margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; font-size: 13px; color: var(--txt-2); }

/* ---------- 12. 悬浮控件 / 动效 ---------- */
.totop {
  position: fixed; right: 26px; bottom: 26px; width: 46px; height: 46px; border-radius: 14px; z-index: 90;
  border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px);
  display: grid; place-items: center; cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .35s, transform .35s var(--ease), border-color .3s;
}
.totop.is-on { opacity: 1; pointer-events: auto; }
.totop:hover { transform: translateY(-3px); border-color: var(--c1); }
.totop svg { width: 18px; height: 18px; stroke: var(--txt-0); }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .09s; }
.reveal[data-d="2"] { transition-delay: .18s; }
.reveal[data-d="3"] { transition-delay: .27s; }
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 22px); z-index: 130;
  padding: 13px 22px; border-radius: 999px; background: rgba(13, 43, 71, .94); border: 1px solid var(--line-strong);
  color: #fff; font-size: 14px; opacity: 0; pointer-events: none; transition: all .4s var(--ease);
  box-shadow: var(--shadow-m);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.page-head { padding: calc(var(--nav-h) + 74px) 0 56px; position: relative; }
.page-head h1 { font-size: clamp(32px, 4.4vw, 54px); }
.crumb { display: flex; gap: 9px; font-size: 13px; color: var(--txt-2); margin-bottom: 18px; }
.crumb a:hover { color: var(--c2); }

/* ---------- 12b. 首屏旗舰产品卡 & 全宽数据条 ---------- */
.hero__grid { align-items: center; }
.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: 58px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.hero__stats > div { padding: 26px 28px; border-right: 1px solid var(--line); }
.hero__stats > div:last-child { border-right: 0; }
.hero__stats span { display: block; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--txt-2); }
.hero__stats strong { display: block; margin-top: 6px; font-family: var(--mono); font-size: 34px; color: var(--txt-0); letter-spacing: -.03em; }
.hero__stats strong small { font-family: var(--font); font-size: 14px; color: var(--c2); margin-left: 0; letter-spacing: 0; }

.spot {
  border: 1px solid var(--line-strong); border-radius: var(--r-xl); overflow: hidden;
  background: linear-gradient(170deg, #ffffff, #f3f9ff);
  backdrop-filter: blur(18px); box-shadow: var(--shadow-l);
}
.spot__head { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; border-bottom: 1px solid var(--line); }
.spot__code { font-family: var(--mono); font-size: 13px; color: var(--txt-1); letter-spacing: .06em; }
.spot__art { position: relative; }
.spot__art svg { display: block; width: 100%; height: 178px; }
.spot__specs { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.spot__specs div { padding: 13px 20px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.spot__specs div:nth-child(even) { border-right: 0; }
.spot__specs b { display: block; font-family: var(--mono); font-size: 19px; color: var(--txt-0); letter-spacing: -.02em; }
.spot__specs span { font-size: 12.5px; color: var(--txt-2); }
.spot__foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 20px; }
.spot__foot .card__link { margin-top: 0; }

.hero__trust { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 34px; }
.hero__trust span { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--txt-2); }
.hero__trust svg { width: 17px; height: 17px; color: var(--c2); opacity: .9; }
.hero__trust b { color: var(--txt-0); font-weight: 600; }

.sec-head { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-end; justify-content: space-between; margin-bottom: 38px; }
.sec-head .sec-sub { margin-top: 12px; max-width: 660px; }

/* 跑马灯左右淡出，避免看起来像溢出被裁 */
.marquee { mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent); }

.chip { white-space: nowrap; }
.sec-title, .sec-sub, .card p, .prod__body p, .case p { text-wrap: pretty; }

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__grid, .grid2, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .grid2--rev > :first-child { order: 0; }
  .cards--4, .stats, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .hero__grid { align-items: center; }
.hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stats > div { border-bottom: 1px solid var(--line); }
  .hero__stats > div:nth-child(even) { border-right: 0; }
  .spot__art svg { height: 200px; }
}
@media (max-width: 860px) {
  .nav__menu, .nav__cta { display: none; }
  .burger { display: flex; }
  .section { padding: 76px 0; }
  .hero { padding-top: calc(var(--nav-h) + 56px); }
  .cards--3, .cards--2 { grid-template-columns: 1fr; }
  .dl-row { grid-template-columns: 44px 1fr; row-gap: 8px; }
  .dl-row--head { display: none; }
  .dl-row .mono, .dl-row .btn { grid-column: 2; }
  .form__row { grid-template-columns: 1fr; }
  .case__metrics { grid-template-columns: repeat(3, 1fr); }
  .cta { padding: 38px 24px; }
}
@media (max-width: 560px) {
  .stats, .prod-grid, .footer__grid { grid-template-columns: 1fr; }
  .hero__meta { gap: 22px; }
  .wrap { padding: 0 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* 线稿角标：说明这是结构示意，不是成品图 */
.prod__note { position: absolute; right: 12px; bottom: 10px; font-size: 11.5px; color: var(--txt-2);
  background: rgba(255, 255, 255, .86); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; backdrop-filter: blur(6px); }

/* ==========================================================================
   14. 正文排版（后台文章 / 单页的富文本渲染）
   后台编辑器写什么，这里就长什么样
   ========================================================================== */
.prose { color: var(--txt-1); font-size: 16px; line-height: 1.92; }
.prose > :first-child { margin-top: 0; }
.prose h1, .prose h2 { font-size: 26px; margin: 40px 0 16px; }
.prose h3 { font-size: 21px; margin: 32px 0 14px; }
.prose h4 { font-size: 18px; margin: 26px 0 12px; }
.prose p { margin: 15px 0; }
.prose ul, .prose ol { margin: 15px 0; padding-left: 22px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 7px 0; }
.prose a { color: var(--c2); border-bottom: 1px solid rgba(15, 139, 166, .35); }
.prose a:hover { color: var(--c1); border-bottom-color: var(--c1); }
.prose img { border-radius: 14px; border: 1px solid var(--line); margin: 22px 0; }
.prose blockquote {
  margin: 22px 0; padding: 14px 20px; border-left: 3px solid var(--c1);
  background: var(--surface); border-radius: 0 12px 12px 0; color: var(--txt-1);
}
.prose code { font-family: var(--mono); font-size: .92em; background: rgba(19, 71, 132, .07); padding: 2px 7px; border-radius: 6px; }
.prose pre { background: #f6faff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; overflow: auto; margin: 22px 0; }
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 14.6px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 11px 14px; text-align: left; vertical-align: top; }
.prose th { background: rgba(19, 71, 132, .06); color: var(--txt-0); font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.prose strong, .prose b { color: var(--txt-0); }
.prose figure { margin: 22px 0; }
.prose figcaption { font-size: 13px; color: var(--txt-2); text-align: center; margin-top: 8px; }

/* 文章页：正文 + 侧栏 */
@media (max-width: 980px) {
  .article-grid { grid-template-columns: 1fr !important; }
}
.info-card h3 { color: var(--txt-0); }
.info-card .info-row { align-items: flex-start; }


/* ---------- 前台就地编辑（编辑模式：点文字直接改，保存即生效） ---------- */
#ie-chip {
  position: fixed; right: 18px; bottom: 86px; z-index: 90;
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .94); color: var(--txt-0);
  font: 600 13.5px/1 var(--font); cursor: pointer; box-shadow: var(--shadow-m);
}
#ie-chip:hover { border-color: var(--c1); color: var(--c1); }
html.ie-on [data-edit], html.ie-on [data-content-field] {
  outline: 1px dashed rgba(26, 99, 200, .5); outline-offset: 3px;
  border-radius: 4px; cursor: text;
}
html.ie-on [data-edit]:hover, html.ie-on [data-content-field]:hover { background: rgba(26, 99, 200, .06); }
[contenteditable="true"].ie-editing {
  outline: 2px solid var(--c1) !important; background: rgba(26, 99, 200, .07);
  min-width: 40px; display: inline-block;
}
.ie-bar {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 20px; z-index: 100;
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  border-radius: 999px; background: rgba(13, 43, 71, .95);
  border: 1px solid rgba(255, 255, 255, .12); box-shadow: var(--shadow-l);
}
.ie-btn {
  border: 0; border-radius: 999px; padding: 8px 16px; cursor: pointer;
  font: 600 13.5px/1 var(--font); background: rgba(255, 255, 255, .14); color: #fff;
}
.ie-btn:hover { background: rgba(255, 255, 255, .24); }
.ie-btn--main { background: var(--grad-main); }
.ie-bar__hint { color: rgba(255, 255, 255, .62); font-size: 12.5px; max-width: 46vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ie-toast {
  position: fixed; left: 50%; transform: translate(-50%, 12px); bottom: 92px; z-index: 101;
  opacity: 0; pointer-events: none; transition: .22s var(--ease);
  padding: 11px 20px; border-radius: 999px; background: rgba(13, 43, 71, .94);
  color: #fff; font-size: 13.5px; max-width: 70vw;
}
.ie-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.ie-toast.is-bad { background: #b3272b; }