/* ============================================================
   SIYB E | 环境感知技术平台 — Design System V1.0
   白 + 浅灰 + SIYB 蓝 / MDN + Engineering Reference + Research
   ============================================================ */

:root {
  --blue: #1552f0;
  --blue-600: #0f45d4;
  --blue-500: #2569ff;
  --blue-100: #e8efff;
  --blue-050: #f3f7ff;
  --ink: #14181f;
  --ink-2: #333a47;
  --muted: #6b7484;
  --muted-2: #8d95a3;
  --line: #e4e8ef;
  --line-2: #eef1f6;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-soft-2: #f0f3f8;
  --ok: #12a870;
  --warn: #e08b16;
  --danger: #d7402f;
  --purple: #6b4df6;
  --teal: #0fa8a3;
  --orange: #f0792a;
  --pink: #e0528c;

  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow-1: 0 1px 2px rgba(20, 24, 31, .05), 0 1px 3px rgba(20, 24, 31, .04);
  --shadow-2: 0 4px 14px rgba(20, 24, 31, .07);
  --shadow-3: 0 12px 34px rgba(15, 40, 110, .12);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 60px;
  --maxw: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-600); text-decoration: underline; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; letter-spacing: -.01em; line-height: 1.3; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 12px; padding-left: 22px; }
li { margin: 3px 0; }
code, kbd, pre { font-family: var(--mono); }
hr { border: 0; border-top: 1px solid var(--line); margin: 26px 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { font-size: 12px; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.right { text-align: right; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.hdr-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: var(--header-h); display: flex; align-items: center; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  font-weight: 800; font-size: 19px; letter-spacing: -.03em; color: var(--ink);
  display: inline-flex; align-items: center; gap: 1px;
}
.brand-mark .e {
  background: var(--blue); color: #fff; border-radius: 5px;
  padding: 1px 6px; margin-left: 2px; font-size: 16px;
}
.brand-sub {
  font-size: 10.5px; color: var(--muted); border-left: 1px solid var(--line);
  padding-left: 9px; margin-left: 3px; line-height: 1.28; max-width: 158px; white-space: nowrap;
}
.main-nav { display: flex; align-items: center; gap: 2px; flex: 1 1 auto; min-width: 0; overflow: hidden; }
.main-nav a {
  font-size: 14px; color: var(--ink-2); padding: 7px 10px; border-radius: 7px;
  white-space: nowrap; font-weight: 500;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--blue); text-decoration: none; }
.main-nav a.on { color: var(--blue); background: var(--blue-050); font-weight: 600; }
.hdr-right { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.hdr-search {
  display: flex; align-items: center; gap: 6px; width: 190px;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px;
  padding: 0 10px; height: 34px; color: var(--muted); font-size: 13px; cursor: pointer;
}
.hdr-search:hover { border-color: #cfd7e3; background: #fff; }
.hdr-btn {
  height: 34px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); font-size: 13px; display: inline-flex; align-items: center; gap: 6px;
}
.hdr-btn:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }

.eco { position: relative; }
.eco-btn {
  height: 34px; padding: 0 11px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); font-size: 13px; display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer; font-family: var(--sans);
}
.eco-btn:hover { border-color: var(--blue); color: var(--blue); }
.eco-menu {
  position: absolute; right: 0; top: 42px; width: 320px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-3);
  padding: 8px; display: none; z-index: 70;
}
.eco:hover .eco-menu { display: block; }
.eco-menu a { display: block; padding: 9px 10px; border-radius: 8px; color: var(--ink); }
.eco-menu a:hover { background: var(--blue-050); text-decoration: none; }
.eco-menu .t { font-size: 13.5px; font-weight: 600; }
.eco-menu .d { font-size: 12px; color: var(--muted); line-height: 1.45; }
.eco-menu .u { font-size: 11.5px; color: var(--blue); font-family: var(--mono); }
.eco-menu .cur { background: var(--blue-050); }

/* ---------- Layout ---------- */
.doc {
  display: grid; grid-template-columns: 246px minmax(0, 1fr) 246px;
  gap: 30px; max-width: var(--maxw); margin: 0 auto; padding: 22px 24px 60px;
  align-items: start;
}
.doc.no-side { grid-template-columns: minmax(0, 1fr) 246px; }
.sidebar, .rail { position: sticky; top: calc(var(--header-h) + 20px); max-height: calc(100vh - 100px); overflow: auto; }
.sidebar { padding-right: 4px; }
.side-title { font-size: 11.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--muted-2); margin: 0 0 8px; }
.side-group { margin-bottom: 18px; }
.side-group > .g-h {
  font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.side-group ul { list-style: none; padding: 0; margin: 0; }
.side-group li { margin: 0; }
.side-group a {
  display: block; font-size: 13px; color: var(--muted); padding: 3.5px 8px; border-radius: 6px;
  border-left: 2px solid transparent; line-height: 1.5;
}
.side-group a:hover { background: var(--bg-soft); color: var(--blue); text-decoration: none; }
.side-group a.on { color: var(--blue); background: var(--blue-050); border-left-color: var(--blue); font-weight: 600; }
.side-count { font-size: 11px; color: var(--muted-2); font-family: var(--mono); }

/* ---------- Breadcrumb / article head ---------- */
.crumbs { font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--blue); }
.crumbs .sep { color: var(--muted-2); margin: 0 6px; }

.art { min-width: 0; }
.art-head { border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--blue);
  background: var(--blue-050); border: 1px solid var(--blue-100); border-radius: 999px;
  padding: 3px 10px; margin-bottom: 12px;
}
h1.art-title { font-size: 34px; margin-bottom: 8px; letter-spacing: -.02em; }
.art-title-en { font-size: 16px; color: var(--muted); font-weight: 500; margin-bottom: 12px; font-family: var(--mono); }
.art-lede { font-size: 16.5px; color: var(--ink-2); line-height: 1.75; margin: 0; }
.art-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-2);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 2px 9px;
}
.chip.b { color: var(--blue); background: var(--blue-050); border-color: var(--blue-100); }
.chip.g { color: var(--ok); background: #e9f8f1; border-color: #c9ecdc; }
.chip.o { color: var(--warn); background: #fdf5e7; border-color: #f4e2c2; }
.chip.r { color: var(--danger); background: #fdeeee; border-color: #f6d5d1; }
.chip.p { color: var(--purple); background: #f1edff; border-color: #ded4fb; }

/* ---------- Sections ---------- */
.sec { margin: 34px 0; }
.sec-h { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.sec-h h2 { font-size: 21px; }
.sec-h .n { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }
.sec-h .line { flex: 1; height: 1px; background: var(--line); }
h3.sub { font-size: 16.5px; margin: 22px 0 8px; }
h4.sub4 { font-size: 14.5px; margin: 16px 0 6px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.g-auto { grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); }
.g-auto-lg { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.card {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  padding: 16px; transition: border-color .16s, box-shadow .16s, transform .16s;
}
a.card { display: block; color: var(--ink); }
a.card:hover { border-color: #c3d3f7; box-shadow: var(--shadow-2); text-decoration: none; transform: translateY(-1px); }
.card .c-h { display: flex; align-items: center; gap: 9px; margin-bottom: 6px; }
.card .c-t { font-size: 15px; font-weight: 700; }
.card .c-en { font-size: 12px; color: var(--muted-2); font-family: var(--mono); margin-bottom: 6px; }
.card .c-d { font-size: 13.2px; color: var(--muted); line-height: 1.6; margin: 0; }
.card.hover-blue:hover { border-color: var(--blue); }

.ico {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  flex: 0 0 auto; font-size: 14px; font-weight: 700; color: #fff; font-family: var(--mono);
}
.ico.b { background: var(--blue); }
.ico.p { background: var(--purple); }
.ico.t { background: var(--teal); }
.ico.o { background: var(--orange); }
.ico.g { background: var(--ok); }
.ico.r { background: var(--danger); }
.ico.k { background: #47536b; }
.ico.sm { width: 22px; height: 22px; border-radius: 6px; font-size: 11px; }

.tile {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  padding: 12px 13px; display: flex; align-items: center; gap: 10px;
}
a.tile { color: var(--ink); }
a.tile:hover { border-color: #c3d3f7; background: var(--blue-050); text-decoration: none; }
.tile .t-name { font-size: 13.6px; font-weight: 600; line-height: 1.3; }
.tile .t-sub { font-size: 11.5px; color: var(--muted-2); font-family: var(--mono); }

/* ---------- Tables ---------- */
.tbl-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.tbl-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table th, table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: top; }
table thead th {
  background: var(--bg-soft); font-size: 12px; font-weight: 700; color: var(--ink-2);
  letter-spacing: .02em; white-space: nowrap; border-bottom: 1px solid var(--line);
}
table tbody tr:last-child td { border-bottom: 0; }
table tbody tr:hover { background: #fafbfd; }
table td.n, table th.n { font-family: var(--mono); white-space: nowrap; }
table .u { color: var(--muted); font-family: var(--mono); font-size: 12.5px; }
.tbl-cap {
  font-size: 12.5px; color: var(--muted); padding: 8px 12px; background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.tbl-cap b { color: var(--ink-2); }

/* ---------- Definition / spec list ---------- */
.spec {
  display: grid; grid-template-columns: 148px minmax(0, 1fr); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.spec > div { border-bottom: 1px solid var(--line-2); }
.spec > div:nth-last-child(1), .spec > div:nth-last-child(2) { border-bottom: 0; }
.spec .k {
  background: var(--bg-soft); font-size: 12.5px; font-weight: 700; color: var(--ink-2);
  padding: 9px 12px; border-right: 1px solid var(--line-2);
}
.spec .v { padding: 9px 12px; font-size: 13.8px; }
.spec .v .u { color: var(--muted); font-family: var(--mono); font-size: 12.5px; }

/* ---------- Formula ---------- */
.formula {
  background: var(--bg-soft); border: 1px solid var(--line); border-left: 3px solid var(--blue);
  border-radius: 8px; padding: 14px 16px; margin: 14px 0; overflow-x: auto;
}
.formula .f-body { font-family: var(--mono); font-size: 14.5px; line-height: 1.9; color: var(--ink); white-space: pre; }
.formula .f-cap { font-size: 12px; color: var(--muted); margin-top: 8px; }
.formula .f-vars { margin-top: 10px; font-size: 12.8px; color: var(--muted); }
.formula .f-vars span { display: inline-block; margin-right: 16px; }

/* ---------- Code ---------- */
pre.code {
  background: #12161d; color: #dfe6f2; border-radius: 10px; padding: 14px 16px;
  overflow-x: auto; font-size: 12.8px; line-height: 1.65; margin: 14px 0;
}
pre.code .c { color: #7d8799; }
pre.code .k { color: #7fb0ff; }
pre.code .s { color: #9be08a; }
pre.code .n { color: #f0b567; }
code.inl { background: var(--bg-soft-2); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; font-size: 12.6px; }

/* ---------- Callout ---------- */
.note {
  border: 1px solid var(--line); border-left: 3px solid var(--blue); background: var(--blue-050);
  border-radius: 8px; padding: 12px 15px; font-size: 13.6px; margin: 16px 0; color: var(--ink-2);
}
.note.warn { border-left-color: var(--warn); background: #fffaf0; }
.note.dang { border-left-color: var(--danger); background: #fdf2f1; }
.note.ok { border-left-color: var(--ok); background: #f0fbf6; }
.note b { color: var(--ink); }
.note .nb { font-size: 12px; letter-spacing: .04em; text-transform: uppercase; font-weight: 800; color: var(--muted); display: block; margin-bottom: 3px; }

/* ---------- Charts / figures ---------- */
figure.fig { margin: 18px 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
figure.fig .fig-body { padding: 14px; background: #fff; }
figure.fig figcaption { font-size: 12.4px; color: var(--muted); padding: 8px 14px; background: var(--bg-soft); border-top: 1px solid var(--line); }
figure.fig svg { display: block; width: 100%; height: auto; }

/* ---------- TOC (rail) ---------- */
.rail-block { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 13px 14px; margin-bottom: 14px; }
.rail-block .rb-t {
  font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted-2); margin-bottom: 9px;
}
.toc ul { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 0; }
.toc a {
  display: block; font-size: 12.8px; color: var(--muted); padding: 3.5px 8px; border-left: 2px solid var(--line);
  line-height: 1.5;
}
.toc a:hover { color: var(--blue); text-decoration: none; border-left-color: var(--blue); }
.toc a.on { color: var(--blue); border-left-color: var(--blue); font-weight: 600; background: var(--blue-050); }
.toc a.lv3 { padding-left: 18px; font-size: 12.2px; }

.info-card dl { margin: 0; }
.info-card .kv { display: flex; justify-content: space-between; gap: 10px; padding: 5px 0; border-bottom: 1px dashed var(--line-2); font-size: 12.6px; }
.info-card .kv:last-child { border-bottom: 0; }
.info-card .kv dt { color: var(--muted); flex: 0 0 auto; }
.info-card .kv dd { margin: 0; text-align: right; font-family: var(--mono); font-size: 12.2px; color: var(--ink); }

.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; vertical-align: 1px; }
.s-adopt { background: var(--ok); }
.s-exp { background: var(--warn); }
.s-unv { background: var(--muted-2); }
.s-con { background: var(--danger); }
.s-verified { background: var(--blue); }

/* ---------- Home: Hero ---------- */
.hero { position: relative; overflow: hidden; background: #0b2a5b; color: #fff; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg svg { width: 100%; height: 100%; object-fit: cover; }
.hero-veil { position: absolute; inset: 0; background:
  linear-gradient(to top, rgba(4, 16, 38, .78) 0%, rgba(4, 16, 38, .28) 18%, rgba(4, 16, 38, 0) 34%),
  linear-gradient(100deg, rgba(5, 22, 54, .9) 0%, rgba(7, 30, 70, .62) 46%, rgba(8, 36, 84, .16) 100%); }
.hero-inner { position: relative; max-width: var(--maxw); margin: 0 auto; padding: 56px 24px 52px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .82fr) 272px; gap: 30px; align-items: start; }
.hero h1 { font-size: 44px; letter-spacing: -.03em; line-height: 1.16; margin-bottom: 10px; text-shadow: 0 2px 18px rgba(2, 10, 28, .45); }
.hero .h-sub, .hero .h-en, .hf-stats a b, .hf-stats a span { text-shadow: 0 1px 10px rgba(2, 10, 28, .45); }
.hero .h-en { font-family: var(--mono); font-size: 15px; color: #9fc0ff; letter-spacing: .04em; margin-bottom: 16px; }
.hero .h-sub { font-size: 16.5px; color: #cfdcf5; max-width: 640px; line-height: 1.7; margin-bottom: 26px; }
.hero-search {
  display: flex; background: #fff; border-radius: 12px; padding: 6px; max-width: 660px; width: 100%;
  box-shadow: var(--shadow-3);
}
.hero-search input {
  flex: 1; min-width: 0; border: 0; outline: 0; font-size: 15px; padding: 10px 14px; font-family: var(--sans); background: transparent; color: var(--ink);
}
.hero-main, .hero-data { min-width: 0; }
.hero-search button {
  border: 0; background: var(--blue); color: #fff; font-size: 14.5px; font-weight: 600;
  padding: 0 26px; border-radius: 8px; cursor: pointer; font-family: var(--sans);
}
.hero-search button:hover { background: var(--blue-600); }
.hero-search .kbd-hint { align-self: center; display: inline-grid; place-items: center; width: 26px; height: 26px; margin-right: 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg-soft); font-family: var(--mono); font-size: 12px; color: var(--muted-2); }

/* 三栏面板等高等宽 */
#stack .grid.g3 > .panel { display: flex; flex-direction: column; }
#stack .grid.g3 > .panel .p-b { flex: 1; }
#stack .th-row .th-v { max-width: 48%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hot { margin-top: 15px; }
.hot .lb { display: block; font-size: 11px; color: #9fc0ff; margin-bottom: 7px; letter-spacing: .06em; }
.hot-list { display: flex; flex-wrap: wrap; gap: 6px; }
.hot a {
  font-size: 12px; color: #e7efff; background: rgba(255, 255, 255, .13);
  border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px; padding: 3px 9px;
}
.hot a:hover { background: rgba(255, 255, 255, .26); text-decoration: none; color: #fff; }
.h-trust { margin: 17px 0 0; font-size: 12px; line-height: 1.7; color: #9fc0ff; max-width: 560px; padding-left: 11px; border-left: 2px solid rgba(159, 192, 255, .45); }
.hero-foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 20px 28px; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .16); padding-top: 16px; margin-top: 2px; }
.hf-stats { display: flex; gap: 30px; flex-wrap: wrap; }
.hf-stats a { display: flex; flex-direction: column; line-height: 1.05; color: #fff; }
.hf-stats a b { font-family: var(--mono); font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.hf-stats a span { font-size: 11px; color: #9fc0ff; margin-top: 3px; }
.hf-stats a:hover { text-decoration: none; color: #cfe0ff; }
.hf-sites { display: flex; gap: 8px; flex-wrap: wrap; }
.hf-sites a { display: inline-flex; align-items: center; gap: 7px; font-size: 11.5px; color: #cfe0ff;
  border: 1px solid rgba(255, 255, 255, .18); border-radius: 999px; padding: 5px 11px; }
.hf-sites a b { font-family: var(--mono); font-size: 10.5px; color: #fff; font-weight: 600; }
.hf-sites a:hover { background: rgba(255, 255, 255, .14); text-decoration: none; color: #fff; }
.hero-data { display: flex; flex-direction: column; gap: 12px; }
.hero-station { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #e7efff; background: rgba(10, 30, 66, .5); border: 1px solid rgba(255, 255, 255, .22); border-radius: 10px; padding: 9px 12px; }
.hero-station .hs-dot { width: 8px; height: 8px; border-radius: 50%; background: #36d39a; box-shadow: 0 0 0 3px rgba(54, 211, 154, .25); flex: 0 0 auto; }
.hero-rail { background: rgba(7, 20, 46, .62); border: 1px solid rgba(255, 255, 255, .18); border-radius: 14px; padding: 14px; backdrop-filter: blur(8px); }
.hero-rail .hr-t { font-size: 13px; font-weight: 700; color: #fff; display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.hero-rail .hr-t span { font-family: var(--mono); font-size: 11px; font-weight: 500; color: #9fc0ff; }
.hero-rail .hr-all { display: block; text-align: center; margin-top: 10px; font-size: 12.5px; color: #cfe0ff; border: 1px solid rgba(255, 255, 255, .18); border-radius: 8px; padding: 7px; }
.hero-rail .hr-all:hover { background: rgba(21, 82, 240, .55); text-decoration: none; color: #fff; }

.glass-col { display: flex; flex-direction: column; gap: 12px; }
.glass {
  background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .22);
  backdrop-filter: blur(11px); border-radius: 12px; padding: 11px 13px; color: #fff;
}
.glass .g-l { font-size: 11.8px; color: #b9cff5; display: flex; justify-content: space-between; align-items: center; }
.glass .g-live { display: inline-flex; align-items: center; gap: 5px; font-size: 10.5px; color: #9fc0ff; letter-spacing: .03em; }
.glass .g-live i { width: 5px; height: 5px; border-radius: 50%; background: #36d39a; box-shadow: 0 0 0 2px rgba(54, 211, 154, .22); }
.glass .g-v { font-size: 25px; font-weight: 700; font-family: var(--mono); letter-spacing: -.02em; line-height: 1.3; }
.glass .g-v span { font-size: 13px; font-weight: 500; color: #cddcf8; margin-left: 3px; }
.glass .g-c { margin-top: 4px; }
.domain-rail { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.domain-rail a {
  display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: #fff;
  background: rgba(10, 30, 66, .48); border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 9px; padding: 8px 9px; font-weight: 500;
}
.domain-rail a:hover { background: rgba(21, 82, 240, .62); color: #fff; text-decoration: none; }
.domain-rail .ri { font-size: 15px; width: 18px; text-align: center; flex: 0 0 auto; }
.domain-rail .rt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.domain-rail .ren { margin-left: auto; font-family: var(--mono); font-size: 10.5px; color: #9fc0ff; flex: 0 0 auto; }
.glass { background: rgba(12, 34, 72, .42); border-color: rgba(255, 255, 255, .28); }

/* ---------- Home: sections ---------- */
.hsec { padding: 46px 0; border-bottom: 1px solid var(--line-2); }
.hsec.soft { background: var(--bg-soft); }
.hsec-head { display: flex; align-items: flex-end; gap: 14px; margin-bottom: 22px; }
.hsec-head h2 { font-size: 25px; letter-spacing: -.02em; }
.hsec-head .en { font-family: var(--mono); font-size: 12.5px; color: var(--muted-2); padding-bottom: 4px; }
.hsec-head .desc { font-size: 14px; color: var(--muted); padding-bottom: 4px; margin-left: auto; max-width: 460px; text-align: right; }

.q-card {
  border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 18px;
  display: flex; flex-direction: column; gap: 8px; min-height: 152px; position: relative; overflow: hidden;
}
a.q-card { color: var(--ink); }
a.q-card:hover { border-color: #c3d3f7; box-shadow: var(--shadow-2); text-decoration: none; }
.q-card .q-ico {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  font-size: 20px; color: #fff; margin-bottom: 4px; box-shadow: 0 6px 16px rgba(21, 82, 240, .22);
}
.q-card .q-t { font-size: 16.5px; font-weight: 700; }
.q-card .q-d { font-size: 13.2px; color: var(--muted); line-height: 1.6; }
.q-card .q-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.q-card .q-tags span { font-size: 11.5px; color: var(--blue); background: var(--blue-050); border: 1px solid var(--blue-100); border-radius: 4px; padding: 1px 7px; }
.q-num { position: absolute; right: 12px; top: 8px; font-family: var(--mono); font-size: 30px; font-weight: 800; color: #f0f3f8; }

.dcard { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; position: relative; }
a.dcard { color: #fff; display: block; }
a.dcard:hover { border-color: var(--blue); box-shadow: var(--shadow-2); text-decoration: none; }
.dcard .d-art { height: 116px; position: relative; }
.dcard .d-art svg { width: 100%; height: 100%; display: block; }
.dcard .d-b { position: absolute; left: 0; right: 0; bottom: 0; padding: 17px 13px 11px;
  background: linear-gradient(to top, rgba(4, 12, 30, .97) 0%, rgba(4, 12, 30, .92) 36%, rgba(4, 12, 30, .62) 62%, rgba(4, 12, 30, 0) 84%);
  color: #fff; }
.dcard .d-zh { font-size: 15px; font-weight: 700; color: #fff; text-shadow: 0 1px 4px rgba(0, 0, 0, .5); }
.dcard .d-en { font-size: 11px; color: rgba(255, 255, 255, .82); font-family: var(--mono); text-shadow: 0 1px 3px rgba(0, 0, 0, .5); }
.dcard .d-n { font-size: 11.5px; color: rgba(255, 255, 255, .88); margin-top: 3px; text-shadow: 0 1px 3px rgba(0, 0, 0, .5); }
.dcard.more { display: grid; place-items: center; background: var(--bg-soft); }
.dcard.more .d-b { position: static; background: none; color: var(--ink); padding: 30px 12px; text-align: center; }
.dcard.more .d-zh { color: var(--blue); }
.dcard.more .d-en, .dcard.more .d-n { color: var(--muted); }
/* 知识页：照片在上、文字在下的内容型卡片 */
.dcard.dcard-body .d-b { position: static; background: #fff; color: var(--ink); padding: 10px 12px 12px; }
.dcard.dcard-body .d-zh { color: var(--ink); font-size: 14.5px; text-shadow: none; }
.dcard.dcard-body .d-en { color: var(--muted-2); text-shadow: none; font-size: 10.5px; margin-left: 4px; }
.dcard.dcard-body .d-n { color: var(--muted); text-shadow: none; font-size: 11.5px; line-height: 1.55; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.panel { border: 1px solid var(--line); border-radius: 12px; background: #fff; overflow: hidden; }
.panel .p-h { padding: 13px 16px; border-bottom: 1px solid var(--line); background: var(--bg-soft); display: flex; align-items: center; gap: 9px; }
.panel .p-h h3 { font-size: 15.5px; }
.panel .p-h .en { font-family: var(--mono); font-size: 11.5px; color: var(--muted-2); }
.panel .p-h .lk { margin-left: auto; font-size: 12.5px; }
.panel .p-b { padding: 14px 16px; }

.mini-list { list-style: none; padding: 0; margin: 0; }
.mini-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line-2); font-size: 13.4px; }
.mini-list li:last-child { border-bottom: 0; }
.mini-list .ml-t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-list .ml-v { font-family: var(--mono); font-size: 12.2px; color: var(--ink-2); }
.mini-list .ml-c { font-size: 11.5px; color: var(--blue); background: var(--blue-050); border-radius: 4px; padding: 1px 6px; }
.mini-list .ml-lk { font-size: 12.5px; }

.th-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line-2); font-size: 13.4px; }
.th-row:last-child { border-bottom: 0; }
.th-row .th-ico { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; color: #fff; font-size: 12px; flex: 0 0 auto; }
.th-row .th-t { flex: 1; min-width: 0; }
.th-row .th-c { font-size: 11.5px; color: var(--blue); background: var(--blue-050); border-radius: 4px; padding: 1px 6px; white-space: nowrap; }
.th-row .th-v { font-family: var(--mono); font-size: 12.2px; color: var(--ink-2); white-space: nowrap; }

.tag-grid { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-size: 12.6px; font-family: var(--mono); border: 1px solid var(--line); background: #fff;
  border-radius: 7px; padding: 4px 10px; color: var(--ink-2);
}
a.tag:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-050); text-decoration: none; }

/* ---------- Scenario / product ---------- */
.scard { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
a.scard { display: block; color: var(--ink); }
a.scard:hover { border-color: #c3d3f7; box-shadow: var(--shadow-2); text-decoration: none; }
.scard .s-art { height: 118px; }
.scard .s-art svg { width: 100%; height: 100%; display: block; }
.scard .s-b { padding: 12px 14px; }
.scard .s-t { font-size: 14.5px; font-weight: 700; }
.scard .s-d { font-size: 12.8px; color: var(--muted); margin-top: 3px; line-height: 1.55; }
.scard .s-m { font-size: 11.8px; color: var(--blue); margin-top: 7px; display: flex; align-items: center; gap: 4px; }

/* ---------- 整宽横幅按钮 ---------- */
.banner-btn { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 18px; background: linear-gradient(100deg, #0f45d4, #2569ff); color: #fff;
  border-radius: 12px; padding: 15px 20px; font-size: 15px; font-weight: 600; box-shadow: var(--shadow-2); }
.banner-btn span { font-family: var(--mono); font-size: 12.5px; background: rgba(255, 255, 255, .16); padding: 4px 11px; border-radius: 999px; }
.banner-btn:hover { background: linear-gradient(100deg, #1547c8, #3f7dff); text-decoration: none; color: #fff; }

/* ---------- 固定列卡片网格（场景 / 产品 / 领域） ---------- */
.cards-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.cards-6 { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1080px) { .cards-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .cards-6 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 720px) { .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cards-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cards-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .cards-4 { grid-template-columns: 1fr; } }

/* ---------- 实景照片 ---------- */
.hero-photo { width: 100%; height: 100%; object-fit: cover; object-position: center 50%; display: block; filter: saturate(1.06) contrast(1.04); }
.dcard .d-art img, .scard .s-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.scard .s-art.fit-contain { background: #f4f7fb; }
.scard .s-art.fit-contain img { object-fit: contain; padding: 10px; }

/* ---------- 技术对比 ---------- */
.cmp-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.cmp-card { border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 18px 18px 14px; display: flex; flex-direction: column; gap: 8px; color: var(--ink); position: relative; overflow: hidden; transition: box-shadow .2s, border-color .2s, transform .2s; }
.cmp-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--blue); opacity: .85; }
a.cmp-card:hover { border-color: #c3d3f7; box-shadow: var(--shadow-2); transform: translateY(-2px); text-decoration: none; }
.cmp-q { font-size: 12px; color: var(--blue); font-weight: 600; }
.cmp-t { font-size: 16px; font-weight: 700; line-height: 1.4; }
.cmp-v { font-size: 13px; color: var(--muted); line-height: 1.65; }
.cmp-m { margin-top: auto; padding-top: 6px; font-size: 12.5px; color: var(--blue); display: flex; justify-content: space-between; align-items: center; }

/* ---------- 知识图谱 ---------- */
.kg-flow { display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; }
.kg-node { flex: 1 1 108px; min-width: 104px; border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 12px 12px 10px; display: flex; flex-direction: column; gap: 2px; color: var(--ink); position: relative; transition: border-color .2s, box-shadow .2s, transform .2s; }
.kg-node:hover { border-color: var(--blue); box-shadow: var(--shadow-2); transform: translateY(-2px); text-decoration: none; }
.kg-zh { font-size: 14.5px; font-weight: 700; }
.kg-en { font-family: var(--mono); font-size: 10px; color: var(--muted-2); }
.kg-n { font-family: var(--mono); font-size: 12px; color: var(--blue); margin-top: 4px; }
.kg-arrow { align-self: center; color: #b9c6dd; font-size: 14px; flex: 0 0 auto; }
.kg-foot { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 14px; font-size: 12.5px; color: var(--muted); }

/* ---------- 测量链 ---------- */
.chain { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.chain-step { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: #fff; }
.cs-n { font-family: var(--mono); font-size: 11px; color: var(--blue); font-weight: 700; }
.cs-t { font-size: 15px; font-weight: 700; margin-top: 4px; }
.cs-sub { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.cs-ex { font-family: var(--mono); font-size: 11px; color: var(--ink-2); background: var(--bg-soft); border-radius: 6px; padding: 6px 8px; margin-top: 8px; line-height: 1.6; }
.cs-w { font-size: 12px; color: var(--muted); margin-top: 8px; border-top: 1px dashed var(--line); padding-top: 8px; line-height: 1.65; }
@media (max-width: 860px) { .chain { grid-template-columns: 1fr; } }

/* ---------- FAQ 折叠 ---------- */
.faq { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 0 14px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-size: 14.5px; font-weight: 600; padding: 12px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: '+'; color: var(--muted-2); font-family: var(--mono); }
.faq[open] summary::after { content: '−'; }
.faq summary::-webkit-details-marker { display: none; }
.faq .faq-a { font-size: 13.5px; color: var(--muted); line-height: 1.75; border-top: 1px solid var(--line-2); padding: 10px 0 12px; }

/* ---------- 知识表筛选 ---------- */
.k-filter { display: flex; align-items: center; gap: 12px; margin: 0 0 18px; flex-wrap: wrap; }
.k-filter input { flex: 1; max-width: 420px; border: 1px solid var(--line); border-radius: 9px; padding: 9px 12px; font-size: 14px; font-family: var(--sans); background: #fff; color: var(--ink); }
.k-filter input:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.kf-count { font-size: 12.5px; color: var(--muted); font-family: var(--mono); }

/* ---------- 检查清单 ---------- */
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.ck { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px; color: var(--ink-2); padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; }
.ck input { margin-top: 3px; accent-color: var(--blue); }
@media (max-width: 720px) { .checklist { grid-template-columns: 1fr; } }

/* ---------- 技术雷达分布 ---------- */
.radar-dist { margin-bottom: 12px; }
.rd-bar { display: flex; height: 10px; border-radius: 999px; overflow: hidden; background: var(--bg-soft-2); }
.rd-seg { display: block; height: 100%; }
.rd-legend { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-top: 8px; font-size: 11px; color: var(--muted); }
.rd-legend span { display: inline-flex; align-items: center; gap: 5px; }
.rd-legend i { width: 7px; height: 7px; border-radius: 2px; display: inline-block; }
.rd-legend b { font-family: var(--mono); color: var(--ink-2); }

@media (max-width: 1080px) { .cmp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) { .cmp-grid { grid-template-columns: 1fr; } }

/* ---------- 区块标题右侧入口 ---------- */
.hsec-lk { margin-left: 14px; padding-bottom: 4px; font-size: 13px; white-space: nowrap; }
.hsec[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

/* ---------- 图卡悬停 ---------- */
.dcard .d-art { overflow: hidden; }
.dcard .d-art svg { transition: transform .55s cubic-bezier(.2, .7, .3, 1); }
a.dcard:hover .d-art svg { transform: scale(1.06); }

/* ---------- 可访问性 ---------- */
.skip-link { position: absolute; left: 12px; top: -48px; z-index: 200; background: var(--blue); color: #fff; padding: 9px 14px; border-radius: 8px; font-size: 13px; transition: top .18s; }
.skip-link:focus { top: 10px; text-decoration: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.hero a:focus-visible, .hero button:focus-visible { outline-color: #fff; }
@keyframes hspulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(54, 211, 154, .25); } 50% { box-shadow: 0 0 0 6px rgba(54, 211, 154, .05); } }
.hero-station .hs-dot { animation: hspulse 2.6s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(100deg, #0f45d4, #2569ff 60%, #3f7dff);
  color: #fff; border-radius: 14px; padding: 26px 30px; display: flex; align-items: center; gap: 24px;
  box-shadow: var(--shadow-3);
}
.cta h3 { font-size: 21px; margin-bottom: 5px; }
.cta p { color: #d8e5ff; font-size: 14px; margin: 0; }
.cta .cta-links { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }
.cta .cb {
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 9px; padding: 10px 16px; color: #fff; font-size: 13.5px; white-space: nowrap;
}
.cta .cb:hover { background: rgba(255, 255, 255, .26); text-decoration: none; }
.cta .cb b { display: block; font-family: var(--mono); font-size: 11.5px; color: #bfd6ff; font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer { background: #0d1421; color: #97a4b8; margin-top: 0; }
.ft-inner { max-width: var(--maxw); margin: 0 auto; padding: 44px 24px 26px; }
.ft-top { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 30px; padding-bottom: 28px; border-bottom: 1px solid #1e2839; }
.ft-brand .brand-mark { color: #fff; font-size: 20px; }
.ft-brand p { font-size: 13px; color: #7d8b a0; color: #7d8ba0; margin-top: 12px; line-height: 1.65; max-width: 320px; }
.ft-col h4 { font-size: 12.5px; color: #fff; letter-spacing: .05em; text-transform: uppercase; margin-bottom: 12px; }
.ft-col ul { list-style: none; padding: 0; margin: 0; }
.ft-col li { margin: 0 0 6px; }
.ft-col a { font-size: 13px; color: #97a4b8; }
.ft-col a:hover { color: #fff; text-decoration: none; }
.ft-bot { padding-top: 18px; display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.3px; color: #6c7a90; }
.ft-bot .r { margin-left: auto; }

/* ---------- Search page ---------- */
.search-page { max-width: 980px; margin: 0 auto; padding: 34px 24px 70px; }
.search-bar { display: flex; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 6px; box-shadow: var(--shadow-1); }
.search-bar input { flex: 1; border: 0; outline: 0; font-size: 15.5px; padding: 9px 12px; font-family: var(--sans); }
.search-bar button { border: 0; background: var(--blue); color: #fff; border-radius: 7px; padding: 0 22px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: var(--sans); }
.sr-item { border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px; background: #fff; }
.sr-item:hover { border-color: #c3d3f7; }
.sr-item .sr-t { font-size: 15.5px; font-weight: 700; }
.sr-item .sr-p { font-size: 12.5px; color: var(--muted); margin-top: 5px; line-height: 1.6; }
.sr-meta { display: flex; gap: 7px; margin-top: 7px; flex-wrap: wrap; }
.sr-empty { text-align: center; padding: 50px 0; color: var(--muted); }

/* ---------- Tool calculator ---------- */
.calc { border: 1px solid var(--line); border-radius: 12px; background: #fff; overflow: hidden; }
.calc .c-b { padding: 18px; }
.calc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 5px; }
.field label .u { color: var(--muted); font-weight: 400; font-family: var(--mono); }
.field input, .field select {
  width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  font-size: 14px; font-family: var(--sans); outline: 0; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21, 82, 240, .1); }
.result {
  margin-top: 16px; border: 1px solid var(--blue-100); background: var(--blue-050);
  border-radius: 10px; padding: 14px 16px;
}
.result .r-t { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; font-weight: 800; color: var(--blue); margin-bottom: 8px; }
.result .r-v { font-size: 22px; font-weight: 700; font-family: var(--mono); color: var(--ink); }
.result .r-v span { font-size: 13px; color: var(--muted); font-weight: 500; }
.result .r-rows { margin-top: 10px; }
.result .r-row { display: flex; justify-content: space-between; font-size: 13px; padding: 4px 0; border-bottom: 1px dashed #d8e3fb; }
.result .r-row:last-child { border-bottom: 0; }
.result .r-row b { font-family: var(--mono); }
.btn {
  border: 1px solid var(--blue); background: var(--blue); color: #fff; border-radius: 8px;
  padding: 9px 18px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: var(--sans);
}
.btn:hover { background: var(--blue-600); }
.btn.ghost { background: #fff; color: var(--blue); }
.btn.ghost:hover { background: var(--blue-050); }

/* ---------- Relation graph ---------- */
.rel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft); padding: 16px; }
.rel svg { width: 100%; height: auto; display: block; }

/* ---------- Pills / status ---------- */
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  font-size: 12px; border-radius: 999px; padding: 3px 11px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-2);
}
.pill.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.pill.g { background: #e9f8f1; border-color: #c9ecdc; color: var(--ok); }
.pill.o { background: #fdf5e7; border-color: #f4e2c2; color: var(--warn); }
.pill.r { background: #fdeeee; border-color: #f6d5d1; color: var(--danger); }
.pill.p { background: #f1edff; border-color: #ded4fb; color: var(--purple); }

/* ---------- Badges for research status ---------- */
.rstatus { font-size: 11.5px; font-family: var(--mono); border-radius: 5px; padding: 2px 7px; border: 1px solid; }
.rs-established { color: var(--ok); border-color: #c9ecdc; background: #e9f8f1; }
.rs-supported { color: var(--blue); border-color: var(--blue-100); background: var(--blue-050); }
.rs-promising { color: var(--purple); border-color: #ded4fb; background: #f1edff; }
.rs-experimental { color: var(--warn); border-color: #f4e2c2; background: #fdf5e7; }
.rs-unverified { color: var(--muted); border-color: var(--line); background: var(--bg-soft); }
.rs-contested { color: var(--danger); border-color: #f6d5d1; background: #fdeeee; }

/* ---------- Mobile ---------- */
.nav-toggle { display: none; }
@media (max-width: 1240px) {
  .main-nav a { padding: 7px 7px; font-size: 13.4px; }
  .brand-sub { display: none; }
  .hdr-search { width: 150px; }
}
@media (max-width: 1080px) {
  .doc { grid-template-columns: minmax(0, 1fr); }
  .doc.no-side { grid-template-columns: minmax(0, 1fr); }
  .sidebar, .rail { display: none; }
  .ft-top { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr 1fr; }
  .hero-main { grid-column: 1 / -1; }
  .hero h1 { font-size: 38px; }
}
@media (max-width: 860px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: flex; flex-direction: column; align-items: stretch; position: absolute;
    top: var(--header-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 16px; box-shadow: var(--shadow-2); z-index: 80;
  }
  .main-nav.open a { padding: 10px 6px; border-bottom: 1px solid var(--line-2); }
  .nav-toggle {
    display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px;
    border: 1px solid var(--line); background: #fff; cursor: pointer;
  }
  .hdr-search { width: 40px; padding: 0; justify-content: center; }
  .hdr-search span { display: none; }
  .eco-menu { width: 260px; }
  .hero h1 { font-size: 31px; }
  .hero-inner { padding: 42px 20px 40px; grid-template-columns: 1fr; }
  .hero-main { grid-column: auto; }
  .hero-search .kbd-hint { display: none; }
  .hero-bg { bottom: auto; height: 580px; }
  .hero-photo { object-position: center 32%; }
  .hero-rail { display: none; }
  .g2, .g3, .g4, .g6 { grid-template-columns: 1fr; }
  .g-auto, .g-auto-lg { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .ft-top { grid-template-columns: 1fr; }
  .cta { flex-direction: column; align-items: flex-start; }
  .cta .cta-links { margin-left: 0; }
  .spec { grid-template-columns: 110px minmax(0, 1fr); }
  h1.art-title { font-size: 27px; }
  .wrap { padding: 0 18px; }
  .doc { padding: 16px 18px 50px; }
}
@media (max-width: 560px) {
  .hdr-btn, .eco { display: none; }
  .hero-search button { padding: 0 15px; font-size: 13.5px; }
  .hero h1 { font-size: 26px; }
  .hf-stats { gap: 18px; }
  .hf-stats a b { font-size: 19px; }
}

/* ---------- 移动端卡片化表格 ---------- */
@media (max-width: 720px) {
  .tbl-wrap-cards { border: 0; background: transparent; overflow: visible; }
  .tbl-wrap-cards .tbl-scroll { overflow: visible; }
  .tbl-cards thead { display: none; }
  .tbl-cards, .tbl-cards tbody, .tbl-cards tr, .tbl-cards td { display: block; width: 100%; }
  .tbl-cards tr { border: 1px solid var(--line); border-radius: 10px; margin: 0 0 10px; padding: 8px 12px; background: #fff; }
  .tbl-cards td { display: flex; gap: 12px; justify-content: space-between; padding: 5px 0; border: 0; font-size: 13px; }
  .tbl-cards td::before { content: attr(data-label); color: var(--muted-2); font-size: 11.5px; flex: 0 0 76px; }
  .tbl-cards td.n { display: block; font-weight: 700; border-bottom: 1px solid var(--line-2); padding: 2px 0 8px; margin-bottom: 4px; }
  .tbl-cards td.n::before { display: none; }
}

/* ---------- 行业监测站 ---------- */
.ind-card { display: flex; flex-direction: column; gap: 3px; border: 1px solid var(--line); border-radius: 14px; padding: 14px; background: #fff; color: var(--ink); position: relative; overflow: hidden; transition: border-color .2s, box-shadow .2s, transform .2s; }
a.ind-card:hover { border-color: var(--blue); box-shadow: var(--shadow-2); transform: translateY(-2px); text-decoration: none; }
.ind-ico { font-size: 20px; color: var(--blue); line-height: 1.2; }
.ind-zh { font-size: 15px; font-weight: 700; }
.ind-en { font-family: var(--mono); font-size: 10.5px; color: var(--muted-2); }
.ind-n { font-size: 11.5px; color: var(--muted); margin-top: 4px; line-height: 1.55; }

/* 7 列领域网格（13 个领域时 7+6，不落单） */
.cards-7 { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1240px) { .cards-7 { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@media (max-width: 1080px) { .cards-7 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 720px) { .cards-7 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards-7 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 7 列领域网格（13 个领域时 7+6，不落单） */
.cards-7 { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1240px) { .cards-7 { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@media (max-width: 1080px) { .cards-7 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 720px) { .cards-7 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards-7 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ================= 技术知识 · 第二批页面的专用组件 ================= */

/* 原理族谱：顶部族条 */
.pfam-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 4px 0 18px; }
.pfs { display: flex; flex-direction: column; gap: 2px; padding: 11px 13px; border-radius: 11px;
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  border-left: 3px solid var(--c, var(--blue)); transition: transform .18s, box-shadow .18s; }
.pfs:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.pfs-i { font-size: 17px; color: var(--c, var(--blue)); line-height: 1; }
.pfs-t { font-size: 14px; font-weight: 700; }
.pfs-n { font-size: 11px; color: var(--muted-2); font-family: var(--mono); }

/* 概念辨析：索引 + 双栏卡片 */
.cgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.cmini { display: flex; flex-direction: column; padding: 9px 12px; border: 1px solid var(--line);
  border-radius: 9px; background: #fff; color: var(--ink); }
.cmini:hover { border-color: var(--blue); text-decoration: none; background: #f7faff; }
.cm-t { font-size: 13.5px; font-weight: 600; }
.cm-e { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }

.cc { display: grid; grid-template-columns: minmax(0, 1fr) 268px; gap: 20px; align-items: start; }
.cc-short { font-size: 14.5px; color: var(--ink-2); line-height: 1.75; margin: 0 0 12px; }
.cc-fig { position: sticky; top: calc(var(--header-h) + 16px); }
.cfig { margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.cfig svg { display: block; width: 100%; height: auto; }
.cfig figcaption { font-size: 11.5px; color: var(--muted); padding: 7px 10px; border-top: 1px solid var(--line-2); line-height: 1.5; }

/* 常见误区 */
.myths { display: flex; flex-direction: column; gap: 12px; }
.myth { border: 1px solid var(--line); border-left: 3px solid #d94a4a; border-radius: 10px;
  padding: 12px 14px; background: #fff; }
.my-c { font-size: 14.5px; font-weight: 700; color: #a83232; line-height: 1.6; }
.my-r, .my-f { font-size: 13.2px; color: var(--ink-2); line-height: 1.72; margin-top: 7px; }
.my-k { display: inline-block; font-size: 11px; font-weight: 700; color: #fff; background: #9aa8bd;
  border-radius: 4px; padding: 1px 6px; margin-right: 7px; vertical-align: 1px; }
.my-f .my-k { background: #16875f; }
.my-ref { font-size: 11.5px; color: var(--muted-2); margin-top: 7px; }

/* 选型决策树 */
.dtree { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: #fbfcfe; }
.dt-node { margin: 6px 0; }
.dt-q { font-size: 13.8px; font-weight: 700; color: var(--ink); padding: 6px 0 6px 12px;
  border-left: 2px solid var(--blue); background: linear-gradient(90deg, #eef4ff, transparent); }
.dt-branches { margin-left: 14px; border-left: 1px dashed var(--line); padding-left: 12px; }
.dt-branch { margin: 8px 0; }
.dt-when { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.dt-when::before { content: '◇ '; color: var(--blue); }
.dt-leaf { margin: 5px 0 8px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.dt-pick { font-size: 13.5px; font-weight: 700; }
.dt-why { font-size: 12.8px; color: var(--ink-2); line-height: 1.65; margin-top: 3px; }
.dt-avoid { font-size: 12.3px; color: #a83232; line-height: 1.6; margin-top: 4px; }

/* 参数推导链 */
.dchain { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; background: #fbfcfe; margin-bottom: 14px; }
.dc-in { display: flex; gap: 7px; flex-wrap: wrap; }
.dc-chip { display: inline-flex; flex-direction: column; padding: 5px 10px; border-radius: 8px;
  background: #fff; border: 1px solid #c9d9f7; color: var(--ink); font-size: 12.5px; font-weight: 600; }
.dc-chip span { font-size: 10px; color: var(--muted-2); font-family: var(--mono); font-weight: 400; }
a.dc-chip:hover { border-color: var(--blue); text-decoration: none; background: #f3f8ff; }
.dc-arrow { color: var(--blue); font-size: 16px; }
.dc-f { font-family: var(--mono); font-size: 12.5px; color: #23324a; background: #fff;
  border: 1px dashed #c9d9f7; border-radius: 8px; padding: 6px 10px; max-width: 320px; }
.dc-out { display: inline-flex; flex-direction: column; padding: 5px 12px; border-radius: 8px;
  background: var(--blue); color: #fff; }
.dc-out span { font-size: 10px; opacity: .85; font-family: var(--mono); }

/* 误差预算：贡献条 + 结果块 */
.ubar { margin: 12px 0; display: flex; flex-direction: column; gap: 5px; }
.ub-row { display: grid; grid-template-columns: 240px minmax(0, 1fr) 54px; gap: 10px; align-items: center; font-size: 12px; }
.ub-l { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ub-t { height: 9px; background: #eef1f6; border-radius: 5px; overflow: hidden; }
.ub-f { display: block; height: 100%; background: linear-gradient(90deg, #6fa4ff, #2b6fd8); border-radius: 5px; }
.ub-v { font-family: var(--mono); text-align: right; color: var(--ink); }
.ures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 12px 0; }
.ures > div { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: #fbfcfe; }
.ures span { display: block; font-size: 11.5px; color: var(--muted); }
.ures b { display: block; font-size: 16px; margin-top: 3px; color: var(--ink); }

@media (max-width: 1080px) {
  .pfam-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cc { grid-template-columns: minmax(0, 1fr); }
  .cc-fig { position: static; order: -1; }
  .ub-row { grid-template-columns: 130px minmax(0, 1fr) 46px; }
}
@media (max-width: 720px) {
  .cgrid { grid-template-columns: 1fr; }
  .ures { grid-template-columns: 1fr; }
  .dc-f { max-width: 100%; }
  .dtree { padding: 10px; }
}

/* 原理族条：奇数个时最后一格跨两列，避免右下留空 */
.pfam-strip > .pfs:last-child:nth-child(odd) { grid-column: span 2; }
@media (max-width: 720px) { .pfam-strip { grid-template-columns: 1fr; } .pfam-strip > .pfs:last-child:nth-child(odd) { grid-column: auto; } }
.pfs.pfs-wide { grid-column: span 2; }
@media (max-width: 720px) { .pfs.pfs-wide { grid-column: auto; } }
.pfs.pfs-wide { grid-column: span 2; }
@media (max-width: 720px) { .pfs.pfs-wide { grid-column: auto; } }

/* 知识首页领域卡：描述统一两行截断，避免长短不一 */
.dcard .d-n { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 知识首页领域卡：描述统一两行截断，避免长短不一 */
.dcard .d-n { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 5 列领域网格：15 个领域时 5+5+5 */
.cards-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1240px) { .cards-5 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 1080px) { .cards-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { .cards-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .cards-5 { grid-template-columns: 1fr; } }

/* 5 列领域网格：15 个领域时 5+5+5 */
.cards-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1240px) { .cards-5 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 1080px) { .cards-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { .cards-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .cards-5 { grid-template-columns: 1fr; } }

/* ================= 数据类型分级 & 产品系列 ================= */

/* 证据阶梯 */
.ladder { display: flex; flex-direction: column; gap: 7px; margin: 6px 0 10px; }
.lad-row { display: grid; grid-template-columns: 26px 118px minmax(0, 1fr); align-items: center; gap: 10px;
  width: var(--w, 100%); background: linear-gradient(90deg, #eef4ff, #f7faff);
  border: 1px solid var(--line); border-left: 3px solid #2b6fd8; border-radius: 9px; padding: 8px 12px; }
.lad-row:nth-child(2) { border-left-color: #0f9b8e; }
.lad-row:nth-child(3) { border-left-color: #c2761a; }
.lad-row:nth-child(4) { border-left-color: #b0375e; }
.lad-row:nth-child(5) { border-left-color: #4a5c74; }
.lad-n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.lad-t { font-size: 13.6px; font-weight: 700; }
.lad-d { font-size: 12.4px; color: var(--muted); }

/* 五类数据入口块 */
.dt-tile { display: flex; flex-direction: column; gap: 1px; padding: 13px 14px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
.dt-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.dt-i { font-size: 18px; color: var(--c, var(--blue)); line-height: 1.1; }
.dt-zh { font-size: 15px; font-weight: 700; }
.dt-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }
.dt-n { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* 行内数据类型标记 */
.dtype { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 600;
  color: var(--c, var(--blue)); background: #fff; border: 1px solid var(--c, var(--blue));
  border-radius: 999px; padding: 2px 9px; white-space: nowrap; opacity: .92; }
.dtype span { font-size: 11px; }
a.dtype:hover { text-decoration: none; background: var(--c, var(--blue)); color: #fff; }

/* 系列卡 */
.sercard { display: flex; flex-direction: column; gap: 2px; padding: 15px; border-radius: 13px;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
.sercard:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); text-decoration: none; }
.sc-i { font-size: 19px; color: var(--c, var(--blue)); line-height: 1; }
.sc-zh { font-size: 15.5px; font-weight: 700; }
.sc-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }
.sc-tag { font-size: 12.5px; color: var(--ink-2); margin-top: 5px; line-height: 1.6; }
.sc-n { font-size: 11px; color: var(--muted-2); margin-top: 6px; }

/* 系列页：参量标签带 */
.sci-tag { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.st-item { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink);
  background: #f7f9fd; border: 1px solid var(--line); border-radius: 999px; padding: 3px 4px 3px 11px; }

/* 技术路线 */
.route { border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; margin-bottom: 10px; background: #fbfcfe; }
.rt-h { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.rt-b, .rt-c { font-size: 13px; color: var(--ink-2); line-height: 1.7; margin-top: 3px; }
.rt-k { display: inline-block; font-size: 11px; font-weight: 700; color: #fff; background: #8fa3bd;
  border-radius: 4px; padding: 1px 6px; margin-right: 7px; vertical-align: 1px; }
.rt-c .rt-k { background: #c2761a; }

/* 科研前沿 */
.fr { border-left: 2px solid #2b6fd8; padding: 2px 0 2px 13px; margin-bottom: 12px; }
.fr-h { font-size: 13.8px; font-weight: 700; }
.fr-r { font-size: 11.5px; font-family: var(--mono); color: var(--blue); margin-left: 7px; }
.fr-d { font-size: 13px; color: var(--ink-2); line-height: 1.72; margin-top: 3px; }

/* 开放问题 */
.openq { margin: 0; padding-left: 20px; }
.openq li { font-size: 13.2px; color: var(--ink-2); line-height: 1.75; margin-bottom: 6px; }

/* 文献 */
.ref { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 9px 0;
  border-bottom: 1px dashed var(--line); font-size: 12.8px; }
.ref-a { font-weight: 600; color: var(--ink); }
.ref-y { font-family: var(--mono); color: var(--muted-2); }
.ref-t { grid-column: 1 / -1; color: var(--ink-2); line-height: 1.6; }
.ref-v { grid-column: 1 / -1; color: var(--muted); font-size: 12.2px; }

@media (max-width: 720px) {
  .lad-row { grid-template-columns: 22px minmax(0, 1fr); width: 100%; }
  .lad-d { grid-column: 2; }
  .ref { grid-template-columns: 1fr; }
}

/* ================= 数据类型分级 & 产品系列 ================= */

/* 证据阶梯 */
.ladder { display: flex; flex-direction: column; gap: 7px; margin: 6px 0 10px; }
.lad-row { display: grid; grid-template-columns: 26px 118px minmax(0, 1fr); align-items: center; gap: 10px;
  width: var(--w, 100%); background: linear-gradient(90deg, #eef4ff, #f7faff);
  border: 1px solid var(--line); border-left: 3px solid #2b6fd8; border-radius: 9px; padding: 8px 12px; }
.lad-row:nth-child(2) { border-left-color: #0f9b8e; }
.lad-row:nth-child(3) { border-left-color: #c2761a; }
.lad-row:nth-child(4) { border-left-color: #b0375e; }
.lad-row:nth-child(5) { border-left-color: #4a5c74; }
.lad-n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.lad-t { font-size: 13.6px; font-weight: 700; }
.lad-d { font-size: 12.4px; color: var(--muted); }

/* 五类数据入口块 */
.dt-tile { display: flex; flex-direction: column; gap: 1px; padding: 13px 14px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
.dt-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.dt-i { font-size: 18px; color: var(--c, var(--blue)); line-height: 1.1; }
.dt-zh { font-size: 15px; font-weight: 700; }
.dt-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }
.dt-n { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* 行内数据类型标记 */
.dtype { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 600;
  color: var(--c, var(--blue)); background: #fff; border: 1px solid var(--c, var(--blue));
  border-radius: 999px; padding: 2px 9px; white-space: nowrap; opacity: .92; }
.dtype span { font-size: 11px; }
a.dtype:hover { text-decoration: none; background: var(--c, var(--blue)); color: #fff; }

/* 系列卡 */
.sercard { display: flex; flex-direction: column; gap: 2px; padding: 15px; border-radius: 13px;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
.sercard:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); text-decoration: none; }
.sc-i { font-size: 19px; color: var(--c, var(--blue)); line-height: 1; }
.sc-zh { font-size: 15.5px; font-weight: 700; }
.sc-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }
.sc-tag { font-size: 12.5px; color: var(--ink-2); margin-top: 5px; line-height: 1.6; }
.sc-n { font-size: 11px; color: var(--muted-2); margin-top: 6px; }

/* 系列页：参量标签带 */
.sci-tag { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.st-item { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink);
  background: #f7f9fd; border: 1px solid var(--line); border-radius: 999px; padding: 3px 4px 3px 11px; }

/* 技术路线 */
.route { border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; margin-bottom: 10px; background: #fbfcfe; }
.rt-h { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.rt-b, .rt-c { font-size: 13px; color: var(--ink-2); line-height: 1.7; margin-top: 3px; }
.rt-k { display: inline-block; font-size: 11px; font-weight: 700; color: #fff; background: #8fa3bd;
  border-radius: 4px; padding: 1px 6px; margin-right: 7px; vertical-align: 1px; }
.rt-c .rt-k { background: #c2761a; }

/* 科研前沿 */
.fr { border-left: 2px solid #2b6fd8; padding: 2px 0 2px 13px; margin-bottom: 12px; }
.fr-h { font-size: 13.8px; font-weight: 700; }
.fr-r { font-size: 11.5px; font-family: var(--mono); color: var(--blue); margin-left: 7px; }
.fr-d { font-size: 13px; color: var(--ink-2); line-height: 1.72; margin-top: 3px; }

/* 开放问题 */
.openq { margin: 0; padding-left: 20px; }
.openq li { font-size: 13.2px; color: var(--ink-2); line-height: 1.75; margin-bottom: 6px; }

/* 文献 */
.ref { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 9px 0;
  border-bottom: 1px dashed var(--line); font-size: 12.8px; }
.ref-a { font-weight: 600; color: var(--ink); }
.ref-y { font-family: var(--mono); color: var(--muted-2); }
.ref-t { grid-column: 1 / -1; color: var(--ink-2); line-height: 1.6; }
.ref-v { grid-column: 1 / -1; color: var(--muted); font-size: 12.2px; }

@media (max-width: 720px) {
  .lad-row { grid-template-columns: 22px minmax(0, 1fr); width: 100%; }
  .lad-d { grid-column: 2; }
  .ref { grid-template-columns: 1fr; }
}

/* ================= 要素族 ================= */
.cov-wrap { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: #fff; margin: 12px 0 6px; overflow-x: auto; }
.covsvg { display: block; width: 100%; min-width: 520px; height: auto; }

.elcard { display: flex; flex-direction: column; gap: 1px; padding: 13px 14px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
.elcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.el-i { font-size: 17px; color: var(--c, var(--blue)); line-height: 1.1; }
.el-zh { font-size: 15px; font-weight: 700; }
.el-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }
.el-n { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* ================= 要素族 ================= */
.cov-wrap { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: #fff; margin: 12px 0 6px; overflow-x: auto; }
.covsvg { display: block; width: 100%; min-width: 520px; height: auto; }

.elcard { display: flex; flex-direction: column; gap: 1px; padding: 13px 14px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
.elcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.el-i { font-size: 17px; color: var(--c, var(--blue)); line-height: 1.1; }
.el-zh { font-size: 15px; font-weight: 700; }
.el-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); }
.el-n { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* ================= 地质灾害合成图 ================= */
.wf-bar { display: flex; height: 26px; border-radius: 7px; overflow: hidden; border: 1px solid var(--line); margin: 10px 0 8px; }
.wf-seg { display: grid; place-items: center; font-size: 10.5px; font-family: var(--mono); color: #fff; font-weight: 700; }
.wf-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 12px; }
.wf-legend span { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; color: var(--muted); }
.wf-legend i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

.wf-scale-wrap { margin: 14px 0 6px; }
.wf-scale { position: relative; display: flex; height: 24px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); }
.wf-lv { display: grid; place-items: center; font-size: 11px; color: #fff; font-weight: 600; }
.wf-mark { position: absolute; top: -6px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; }
.wf-mark b { font-family: var(--mono); font-size: 10.5px; background: #1b2740; color: #fff; border-radius: 4px; padding: 1px 5px; }
.wf-mark::after { content: ''; width: 2px; height: 24px; background: #1b2740; }
.wf-thr { position: relative; height: 14px; margin-top: 16px; }
.wf-thr span { position: absolute; transform: translateX(-50%); font-size: 10px; font-family: var(--mono); color: var(--muted-2); }

/* ================= 地质灾害合成图 ================= */
.wf-bar { display: flex; height: 26px; border-radius: 7px; overflow: hidden; border: 1px solid var(--line); margin: 10px 0 8px; }
.wf-seg { display: grid; place-items: center; font-size: 10.5px; font-family: var(--mono); color: #fff; font-weight: 700; }
.wf-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 12px; }
.wf-legend span { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; color: var(--muted); }
.wf-legend i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

.wf-scale-wrap { margin: 14px 0 6px; }
.wf-scale { position: relative; display: flex; height: 24px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); }
.wf-lv { display: grid; place-items: center; font-size: 11px; color: #fff; font-weight: 600; }
.wf-mark { position: absolute; top: -6px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; }
.wf-mark b { font-family: var(--mono); font-size: 10.5px; background: #1b2740; color: #fff; border-radius: 4px; padding: 1px 5px; }
.wf-mark::after { content: ''; width: 2px; height: 24px; background: #1b2740; }
.wf-thr { position: relative; height: 14px; margin-top: 16px; }
.wf-thr span { position: absolute; transform: translateX(-50%); font-size: 10px; font-family: var(--mono); color: var(--muted-2); }

/* ================= 技术专题 ================= */
.ecard { display: flex; flex-direction: column; gap: 6px; padding: 18px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .2s, box-shadow .2s; }
a.ecard:hover { transform: translateY(-3px); box-shadow: var(--shadow-3); text-decoration: none; border-top-color: var(--blue); }
.ec-h { display: flex; align-items: center; gap: 8px; }
.ec-i { font-size: 20px; color: var(--c, var(--blue)); }
.ec-n { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.ec-t { font-size: 17px; font-weight: 700; line-height: 1.35; margin: 2px 0 0; }
.ec-en { font-size: 11.5px; color: var(--muted-2); font-family: var(--mono); }
.ec-d { font-size: 13px; color: var(--ink-2); line-height: 1.65; margin: 6px 0 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ec-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; margin-top: 10px;
  font-size: 11.5px; color: var(--muted); }
.ec-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag-mini { font-size: 10.5px; color: var(--blue); background: #eef4ff; border-radius: 4px; padding: 1px 6px; }

/* 工程笔记分类入口 */
.note-cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.ncat { display: flex; flex-direction: column; gap: 3px; padding: 14px 16px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--c, var(--blue)); color: var(--ink);
  transition: transform .18s, box-shadow .18s; }
a.ncat:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.ncat .nc-i { font-size: 18px; color: var(--c, var(--blue)); }
.ncat .nc-zh { font-size: 15px; font-weight: 700; }
.ncat .nc-en { font-size: 10.5px; color: var(--muted-2); font-family: var(--mono); letter-spacing: .04em; }
.ncat .nc-n { font-size: 12px; color: var(--muted); }
.home-meta-row { margin-top: 16px; padding: 12px 16px; border-radius: 10px; background: var(--bg-soft);
  border: 1px solid var(--line); font-size: 13px; color: var(--ink-2); line-height: 1.7; }
@media (max-width: 900px) { .note-cats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .note-cats { grid-template-columns: 1fr; } }

/* 故障时间线 */
.tl-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin: 0 0 22px; }
.tls { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; text-align: center; }
.tls b { display: block; font-size: 18px; color: var(--blue); line-height: 1.3; }
.tls span { font-size: 11.5px; color: var(--muted); }
.frow { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.frow-k { flex: 0 0 76px; font-size: 12.5px; color: var(--muted-2); padding-top: 7px; font-family: var(--mono); }
.fbar { display: flex; flex-wrap: wrap; gap: 7px; }
.fchip { display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 999px; cursor: pointer;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2); font-size: 12.5px; font-family: inherit;
  transition: all .16s; }
.fchip i { font-style: normal; font-size: 10.5px; color: var(--muted-2); background: var(--bg-soft-2); border-radius: 8px; padding: 0 5px; }
.fchip:hover { border-color: var(--c, var(--blue)); color: var(--c, var(--blue)); }
.fchip.on { background: var(--c, var(--blue)); border-color: var(--c, var(--blue)); color: #fff; }
.fchip.on i { background: rgba(255,255,255,.22); color: #fff; }
.tl-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 14px 0 4px; font-size: 13px; color: var(--muted); }
.tl-meta b { color: var(--blue); }
.freset { background: none; border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px; cursor: pointer;
  font-size: 12px; color: var(--muted); font-family: inherit; }
.freset:hover { border-color: var(--blue); color: var(--blue); }
.tl-wrap { position: relative; margin-top: 8px; }
.tl-item { display: flex; gap: 16px; padding: 18px 0 20px; border-bottom: 1px solid var(--line-2); color: var(--ink); }
a.tl-item:hover { text-decoration: none; }
.tl-axis { flex: 0 0 14px; position: relative; display: flex; justify-content: center; }
.tl-axis::before { content: ''; position: absolute; top: 4px; bottom: -22px; width: 2px; background: var(--line); }
.tl-item:last-of-type .tl-axis::before { bottom: auto; height: 100%; }
.tl-dot { width: 11px; height: 11px; border-radius: 50%; margin-top: 5px; position: relative; z-index: 1;
  box-shadow: 0 0 0 3px #fff; }
.tl-body { flex: 1; min-width: 0; }
.tl-top { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 6px; }
.tl-date { font-family: var(--mono); font-size: 12px; color: var(--ink); font-weight: 600; }
.tl-badge { font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); }
.tl-badge-2 { color: #0f766e; border-color: #cfe9e4; background: #eef8f6; }
.tl-domain { font-size: 11px; color: var(--muted-2); }
.tl-t { font-size: 16.5px; font-weight: 700; margin: 0 0 7px; line-height: 1.4; }
a.tl-item:hover .tl-t { color: var(--blue); }
.tl-sym, .tl-det, .tl-les { font-size: 13px; line-height: 1.7; color: var(--ink-2); margin-top: 3px; }
.tl-sym span, .tl-det span, .tl-les span { display: inline-block; min-width: 34px; margin-right: 8px; font-size: 11px;
  color: var(--muted-2); font-family: var(--mono); }
.tl-les { color: var(--ink); }
.tl-empty { padding: 30px; text-align: center; color: var(--muted); background: var(--bg-soft);
  border: 1px dashed var(--line); border-radius: 12px; font-size: 13.5px; }
.xcell { display: inline-block; min-width: 22px; padding: 1px 6px; border-radius: 5px; background: #eef4ff; color: var(--blue); font-weight: 700; font-size: 12.5px; }
.xzero { color: var(--muted-2); }
.tbl.xm th, .tbl.xm td { text-align: center; }
.tbl.xm thead th:first-child, .tbl.xm tbody th { text-align: left; }
.tbl.xm th, .tbl.xm td { text-align: center; }
.tbl.xm thead th:first-child, .tbl.xm tbody th { text-align: left; }
.legend-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 18px; margin-top: 14px; }
.lg { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: baseline; }
.lg b { color: var(--ink-2); }
.lg i { width: 8px; height: 8px; border-radius: 2px; background: var(--blue); display: inline-block; flex: 0 0 8px; }
@media (max-width: 900px) { .tl-stats { grid-template-columns: repeat(2, 1fr); } .legend-row { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .frow { flex-direction: column; gap: 6px; } .frow-k { flex: none; padding-top: 0; } }

/* 故障笔记的失效维度条 */
.failure-bar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0 4px; }
.fb-item { display: flex; flex-direction: column; gap: 3px; padding: 10px 14px; border-radius: 10px;
  background: #fff; border: 1px solid var(--line); color: var(--ink); }
a.fb-item:hover { border-color: var(--blue); text-decoration: none; }
.fb-item span { font-size: 11px; color: var(--muted-2); font-family: var(--mono); }
.fb-item b { font-size: 13.5px; }
@media (max-width: 620px) { .failure-bar { grid-template-columns: 1fr; } }

/* 分类页的时间线入口横幅 */
.cat-banner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
  padding: 14px 18px; margin-bottom: 16px; border-radius: 12px; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--c, var(--blue));
  transition: transform .18s, box-shadow .18s; }
a.cat-banner:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.cat-banner .cb-i { font-size: 20px; color: var(--c, var(--blue)); }
.cat-banner .cb-t { font-size: 15px; font-weight: 700; }
.cat-banner .cb-d { grid-column: 2; font-size: 12.5px; color: var(--muted); }
.cat-banner .cb-go { grid-column: 3; grid-row: 1 / span 2; font-size: 13px; color: var(--blue); white-space: nowrap; }
@media (max-width: 620px) {
  .cat-banner { grid-template-columns: auto 1fr; }
  .cat-banner .cb-go { grid-column: 2; grid-row: auto; }
}

/* 笔记正文的相关条目卡片 */
.rel-card { margin: 18px 0 26px; padding: 16px 18px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--line); }
.rel-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.rel-t { font-size: 14px; font-weight: 700; color: var(--ink); }
.rel-n { font-size: 11.5px; color: var(--muted-2); }
.rel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 14px 16px; }
.rel-k { font-size: 11px; color: var(--muted-2); font-family: var(--mono); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 5px; }
.rel-v { display: flex; flex-direction: column; gap: 3px; }
.rel-v a { font-size: 13px; color: var(--ink); border-bottom: 1px solid transparent; }
.rel-v a:hover { color: var(--blue); border-bottom-color: #c3d3f7; text-decoration: none; }

/* 长文正文 */
.essay-body { font-size: 16px; line-height: 1.85; color: var(--ink); }
.essay-body h2 { font-size: 22px; font-weight: 700; margin: 34px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--blue); color: var(--ink); }
.essay-body h3 { font-size: 17px; font-weight: 700; margin: 22px 0 8px; color: var(--ink); }
.essay-body p { margin: 0 0 14px; }
.essay-body ul, .essay-body ol { margin: 0 0 14px; padding-left: 24px; }
.essay-body li { margin-bottom: 5px; line-height: 1.75; }
.essay-body blockquote { border-left: 3px solid var(--blue); padding: 4px 0 4px 14px; margin: 0 0 14px;
  color: var(--ink-2); font-style: italic; background: #f7faff; border-radius: 0 6px 6px 0; }
.essay-body code { background: #f0f3f8; padding: 1px 5px; border-radius: 4px; font-family: var(--mono); font-size: 0.92em; }
.essay-body strong { font-weight: 700; color: var(--ink); }
.essay-body table { font-size: 14px; }
.essay-body th, .essay-body td { padding: 7px 10px; }
.art-foot { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); }

@media (max-width: 1080px) {
  .essay-body { font-size: 15px; line-height: 1.78; }
}
@media (max-width: 720px) {
  .essay-body { font-size: 15.5px; line-height: 1.8; }
  .essay-body h2 { font-size: 19px; }
}

/* ================= 选型向导 ================= */
.wz { display: grid; gap: 18px; }
.wz-step { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: var(--bg); }
.wz-h { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.wz-h h3 { font-size: 14px; margin: 0; font-weight: 700; }
.wz-n { font-family: var(--mono); font-size: 11px; color: var(--blue); background: var(--blue-050); border: 1px solid var(--blue-100); border-radius: 4px; padding: 1px 6px; }
.wz-hint { font-size: 11.5px; color: var(--muted-2); }
.wz-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.wz-chip { font: inherit; font-size: 12.5px; line-height: 1; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; cursor: pointer; transition: .15s; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.wz-chip:hover { border-color: var(--blue-100); background: var(--blue-050); color: var(--blue-600); }
.wz-chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.wz-chip.link { cursor: pointer; }
.wz-chip-x { font-family: var(--mono); font-size: 10.5px; opacity: .7; }
.wz-bar { display: flex; align-items: center; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.wz-reset { font: inherit; font-size: 12px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px; cursor: pointer; }
.wz-reset:hover { color: var(--blue); border-color: var(--blue-100); }
.wz-status { font-size: 12.5px; color: var(--blue); font-weight: 600; }
.wz-note { margin-top: 12px; padding: 10px 14px; border-left: 3px solid var(--blue); background: var(--blue-050); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 13px; color: var(--ink-2); }

.wz-res { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; background: var(--bg); margin-bottom: 14px; }
.wz-res.warn { border-color: #f4d9a8; background: #fffaf0; }
.wz-res-h { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.wz-res-h h3 { font-size: 14.5px; margin: 0; font-weight: 700; }
.wz-res-n { font-family: var(--mono); font-size: 11px; color: #fff; background: var(--blue); border-radius: 4px; padding: 2px 7px; }
.wz-res.warn .wz-res-n { background: var(--warn); }
.wz-res-c { font-size: 11.5px; color: var(--muted-2); margin-left: auto; }
.wz-card { display: flex; flex-direction: column; gap: 4px; padding: 11px 13px; border: 1px solid var(--line); border-left: 3px solid var(--c, var(--blue)); border-radius: var(--radius-sm); background: var(--bg); text-decoration: none; transition: .15s; }
.wz-card:hover { background: var(--bg-soft); border-color: var(--blue-100); }
.wz-card-t { font-size: 13px; font-weight: 600; color: var(--ink); }
.wz-card-d { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.wz-card-n { font-size: 11px; color: var(--muted-2); font-family: var(--mono); }
.wz-tips { display: grid; gap: 10px; }
.wz-tip { border-left: 3px solid var(--warn); background: #fff; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 9px 13px; }
.wz-tip-g { display: block; font-size: 11.5px; font-weight: 700; color: var(--warn); margin-bottom: 4px; }
.wz-tip p { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.65; }
.wz-next { display: grid; gap: 8px; }
.wz-next a { font-size: 13px; color: var(--blue); text-decoration: none; }
.wz-next a:hover { text-decoration: underline; }

@media (max-width: 620px) {
  .wz-step { padding: 12px; }
  .wz-res { padding: 13px 14px; }
  .wz-chip { font-size: 12px; padding: 6px 10px; }
}

/* ================= 选型向导 ================= */
.wz { display: grid; gap: 18px; }
.wz-step { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: var(--bg); }
.wz-h { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.wz-h h3 { font-size: 14px; margin: 0; font-weight: 700; }
.wz-n { font-family: var(--mono); font-size: 11px; color: var(--blue); background: var(--blue-050); border: 1px solid var(--blue-100); border-radius: 4px; padding: 1px 6px; }
.wz-hint { font-size: 11.5px; color: var(--muted-2); }
.wz-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.wz-chip { font: inherit; font-size: 12.5px; line-height: 1; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; cursor: pointer; transition: .15s; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.wz-chip:hover { border-color: var(--blue-100); background: var(--blue-050); color: var(--blue-600); }
.wz-chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.wz-chip.link { cursor: pointer; }
.wz-chip-x { font-family: var(--mono); font-size: 10.5px; opacity: .7; }
.wz-bar { display: flex; align-items: center; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.wz-reset { font: inherit; font-size: 12px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px; cursor: pointer; }
.wz-reset:hover { color: var(--blue); border-color: var(--blue-100); }
.wz-status { font-size: 12.5px; color: var(--blue); font-weight: 600; }
.wz-note { margin-top: 12px; padding: 10px 14px; border-left: 3px solid var(--blue); background: var(--blue-050); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 13px; color: var(--ink-2); }

.wz-res { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; background: var(--bg); margin-bottom: 14px; }
.wz-res.warn { border-color: #f4d9a8; background: #fffaf0; }
.wz-res-h { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.wz-res-h h3 { font-size: 14.5px; margin: 0; font-weight: 700; }
.wz-res-n { font-family: var(--mono); font-size: 11px; color: #fff; background: var(--blue); border-radius: 4px; padding: 2px 7px; }
.wz-res.warn .wz-res-n { background: var(--warn); }
.wz-res-c { font-size: 11.5px; color: var(--muted-2); margin-left: auto; }
.wz-card { display: flex; flex-direction: column; gap: 4px; padding: 11px 13px; border: 1px solid var(--line); border-left: 3px solid var(--c, var(--blue)); border-radius: var(--radius-sm); background: var(--bg); text-decoration: none; transition: .15s; }
.wz-card:hover { background: var(--bg-soft); border-color: var(--blue-100); }
.wz-card-t { font-size: 13px; font-weight: 600; color: var(--ink); }
.wz-card-d { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.wz-card-n { font-size: 11px; color: var(--muted-2); font-family: var(--mono); }
.wz-tips { display: grid; gap: 10px; }
.wz-tip { border-left: 3px solid var(--warn); background: #fff; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 9px 13px; }
.wz-tip-g { display: block; font-size: 11.5px; font-weight: 700; color: var(--warn); margin-bottom: 4px; }
.wz-tip p { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.65; }
.wz-next { display: grid; gap: 8px; }
.wz-next a { font-size: 13px; color: var(--blue); text-decoration: none; }
.wz-next a:hover { text-decoration: underline; }

@media (max-width: 620px) {
  .wz-step { padding: 12px; }
  .wz-res { padding: 13px 14px; }
  .wz-chip { font-size: 12px; padding: 6px 10px; }
}
.wz-sub { padding: 8px 0; border-top: 1px dashed var(--line-2); }
.wz-sub:first-of-type { border-top: 0; }
.wz-sub-t { display: block; font-size: 11.5px; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.wz-sub { padding: 8px 0; border-top: 1px dashed var(--line-2); }
.wz-sub:first-of-type { border-top: 0; }
.wz-sub-t { display: block; font-size: 11.5px; font-weight: 700; color: var(--muted); margin-bottom: 6px; }

/* ================= 行业落地页 ================= */
.industry-grid { gap: 16px; }
.industry-card { padding: 16px; text-align: left; }
.ind-icon { font-size: 28px; margin-bottom: 8px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px 10px; padding: 8px 0; }
.tag-link { font-size: 13px; color: var(--blue); background: var(--blue-050); border: 1px solid var(--blue-100); border-radius: 999px; padding: 5px 12px; text-decoration: none; transition: .15s; }
.tag-link:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.note.tip { border-left-color: var(--blue); background: var(--blue-050); }
.note.tip strong { display: block; margin-bottom: 6px; color: var(--blue-600); }
.note.tip ul { margin: 0; padding-left: 18px; }

/* 整机集成难度条 */
.diff-bar { display: inline-flex; gap: 4px; vertical-align: middle; }
.diff-cell {
  width: 22px; height: 22px; line-height: 22px; text-align: center; font-family: var(--mono);
  font-size: 12px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 6px;
}
.diff-cell.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 700; }
.note.tip li { font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.faq-list details { margin-bottom: 10px; }

/* ================= 实操指南 ================= */
.guide-grid { gap: 16px; }
.guide-card { padding: 16px; }
.gc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.gc-icon { font-size: 24px; }
.gc-title { font-size: 15px; font-weight: 700; color: var(--ink); }
.gc-tags { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 5px; }

/* ================= 实操指南 ================= */
.guide-grid { gap: 16px; }
.guide-card { padding: 16px; }
.gc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.gc-icon { font-size: 24px; }
.gc-title { font-size: 15px; font-weight: 700; color: var(--ink); }
.gc-tags { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 5px; }

/* ================= 核心概念 ================= */
.concept-grid { gap: 16px; }
.concept-card { padding: 16px; }
.cc-icon { font-size: 28px; margin-bottom: 8px; }

/* ================= 核心概念 ================= */
.concept-grid { gap: 16px; }
.concept-card { padding: 16px; }
.cc-icon { font-size: 28px; margin-bottom: 8px; }

/* 技术来源URL可很长，移动端保持在正文容器内。 */
.sec a { overflow-wrap: anywhere; }
@media (max-width: 760px) {
  .hsec-lk { white-space: normal; min-width: 0; overflow-wrap: anywhere; }
}