/* ==========================================================================
   鍗椾含濞佹硦灏旇嚜鍔ㄥ寲绉戞妧鏈夐檺鍏徃 路 瀹樼綉鏍峰紡琛?
   璁捐璇█锛氬伐涓氳嚜鍔ㄥ寲 / 鐗╄仈缃戞帶鍒惰缃?
   - 娣辫壊鎺у埗瀹ゅ熀璋冪敤浜庨〉澶翠俊鎭潯銆侀〉闈富瑙嗚銆佹妧鏈尯涓庨〉鑴?
   - 娴呰壊浠〃鐧界敤浜庡唴瀹瑰尯锛屼俊鎭瘑搴﹂珮銆佸眰绾ф竻妤?
   - 绛夊瀛椾綋鎵胯浇鍨嬪彿銆佸弬鏁颁笌鎸囨爣锛屽己鍖栬缃埗閫犲晢鐨勪笓涓氳川鎰?
   - 鐩磋鍖栧渾瑙掋€佸彂涓濇弿杈广€佽鏍囦笌鐘舵€佺伅锛屽懠搴旀満鏌滀笌闈㈡澘鐨勫伐涓氳鎰?
   ========================================================================== */

:root {
  /* 涓€ц壊 */
  --ink: #0b1620;
  --ink-2: #33455a;
  --muted: #68798b;
  --faint: #93a3b2;
  --line: #e3e9ef;
  --line-2: #ccd6e0;
  --paper: #ffffff;
  --surface: #f4f7fa;
  --surface-2: #e9eff5;

  /* 娣辫壊鎶€鏈尯 */
  --deep: #07121d;
  --deep-2: #0d1e2e;
  --deep-3: #16293b;
  --deep-line: rgba(124, 194, 230, 0.18);
  --deep-line-2: rgba(124, 194, 230, 0.32);
  --deep-ink: #e9f1f7;
  --deep-muted: #8ba5ba;

  /* 鍝佺墝涓庝俊鍙疯壊 */
  --accent: #0a6ed1;
  --accent-d: #08529f;
  --accent-l: #3d92e8;
  --cyan: #14b4d8;
  --signal: #23b36a;
  --warn: #dd8a1c;
  --accent-wash: rgba(10, 110, 209, 0.09);
  --cyan-wash: rgba(20, 180, 216, 0.12);

  /* 鎺掔増 */
  --sans: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", "SF Mono", "Consolas",
    "Liberation Mono", monospace;

  /* 缁撴瀯 */
  --topbar: 36px;
  --headbar: 68px;
  --header: 104px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 1px 2px rgba(11, 22, 32, 0.05), 0 8px 24px rgba(11, 22, 32, 0.05);
  --shadow-lift: 0 2px 4px rgba(11, 22, 32, 0.06), 0 18px 44px rgba(11, 22, 32, 0.1);

  /* 钃濆浘缃戞牸 */
  --blueprint:
    linear-gradient(rgba(124, 194, 230, 0.055) 1px, transparent 1px) 0 0 / 100% 40px,
    linear-gradient(90deg, rgba(124, 194, 230, 0.055) 1px, transparent 1px) 0 0 / 40px 100%;
}

/* --------------------------------------------------------------------------
   鍩虹
   -------------------------------------------------------------------------- */

* { box-sizing: border-box; }

/* hidden 灞炴€ц鍘嬪緱浣忎笅闈㈣繖浜涘甫 display 鐨勭被锛屽惁鍒?JS 鏀朵笉璧峰厓绱?*/
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 16px); }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main { flex: 1; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

p { margin: 0; }

.wrap { width: min(1200px, calc(100% - 56px)); margin: 0 auto; }
.wrap-narrow { width: min(860px, calc(100% - 56px)); margin: 0 auto; }

.skip {
  position: absolute; left: 16px; top: -48px; z-index: 60;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius);
}
.skip:focus { top: 12px; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* 绔犺妭寮曢锛氱瓑瀹藉皬瀛?+ 鍓嶅鍒诲害绾匡紝鍙栬嚜浠〃闈㈡澘鏍囨敞 */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0; font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ""; width: 20px; height: 2px; background: currentColor; }

.lede {
  margin: 0; max-width: 46em;
  color: var(--ink-2); font-size: 17px; line-height: 1.85;
}
.lede a { color: var(--accent); border-bottom: 1px solid var(--accent-wash); }
.lede a:hover { border-bottom-color: currentColor; }

/* 姝ｆ枃鍐呰仈閾炬帴 */
.band p a:not(.btn):not(.link-more) {
  color: var(--accent);
  border-bottom: 1px solid rgba(10, 110, 209, 0.28);
}
.band p a:not(.btn):not(.link-more):hover { border-bottom-color: var(--accent); }

/* --------------------------------------------------------------------------
   椤靛ご
   -------------------------------------------------------------------------- */

.site-header { position: sticky; top: 0; z-index: 40; }

/* 椤堕儴淇℃伅鏉?*/
.topbar {
  height: var(--topbar);
  background: var(--deep);
  color: var(--deep-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12.5px;
}
.topbar-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.topbar-claim { display: flex; align-items: center; gap: 9px; letter-spacing: 0.04em; white-space: nowrap; }
.topbar-claim::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal); box-shadow: 0 0 0 3px rgba(35, 179, 106, 0.2);
}
.topbar-meta { display: flex; align-items: center; gap: 18px; white-space: nowrap; }
.topbar-meta a { color: var(--deep-muted); }
.topbar-meta a:hover { color: #fff; }
.topbar-meta .mono { letter-spacing: 0.04em; }
/* 涓诲鑸潯 */
.header-main {
  height: var(--headbar);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
/* position 是给产品中心大面板当定位基准用的，让它的宽度跟 .wrap 对齐 */
.header-inner { position: relative; height: 100%; display: flex; align-items: center; gap: 28px; }

.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: 52px; height: 52px; flex: none; }
.brand-text { display: block; line-height: 1.15; }
.brand-text b { display: block; font-size: 17px; font-weight: 700; letter-spacing: 0.01em; color: var(--ink); }
.brand-text small {
  display: block; margin-top: 2px;
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.26em; color: var(--accent);
}

.nav { display: flex; align-items: stretch; height: 100%; margin-left: auto; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link {
  display: flex; align-items: center; gap: 5px; height: 100%;
  padding: 0 15px; font-size: 15px; font-weight: 500; color: var(--ink-2);
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--accent); }
.nav-item.is-current > .nav-link { color: var(--ink); font-weight: 600; border-bottom-color: var(--accent); }
.nav-caret { width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); opacity: 0.55; }

/* 涓嬫媺闈㈡澘 */
.nav-panel {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 6px);
  min-width: 232px; padding: 8px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}
.nav-item:hover > .nav-panel,
.nav-item:focus-within > .nav-panel {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
}
.nav-panel a {
  display: block; padding: 9px 12px; border-radius: var(--radius);
  font-size: 14.5px; color: var(--ink-2);
}
.nav-panel a b { display: block; font-weight: 600; color: var(--ink); }
.nav-panel a span { display: block; margin-top: 1px; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.nav-panel a:hover { background: var(--surface); }
.nav-panel a:hover b { color: var(--accent); }

/* 产品中心的四列大面板。宽度跟 .wrap 对齐而不是跟菜单项对齐，
   所以这一项要放弃自己的定位上下文，交给 .header-inner。 */
.nav-item-wide { position: static; }
.nav-mega {
  left: 0; right: 0; transform: translateY(6px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 4px; padding: 18px 14px 20px;
}
.nav-item-wide:hover > .nav-mega,
.nav-item-wide:focus-within > .nav-mega { transform: translateY(0); }
.mega-col { min-width: 0; }
.mega-col + .mega-col { border-left: 1px solid var(--line); padding-left: 14px; }
.nav-panel .mega-head {
  padding: 6px 10px 10px; font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--ink); border-radius: 0; border-bottom: 1px solid var(--line);
}
.nav-panel .mega-head:hover { background: transparent; color: var(--accent); }
.mega-col ul { margin: 8px 0 0; padding: 0; list-style: none; }
.nav-panel .mega-col li a {
  display: flex; flex-direction: column; gap: 1px;
  padding: 7px 10px; font-size: 13.5px; line-height: 1.45;
}
/* 型号写在名称上面一行，等宽字体，跟卡片和详情页保持一致的读法 */
.nav-panel .mega-col li a em {
  font-family: var(--mono); font-style: normal; font-size: 11.5px;
  letter-spacing: 0.04em; color: var(--muted);
}
.nav-panel .mega-col li a:hover em { color: var(--accent); }
.nav-panel .mega-foot {
  margin-top: 10px; padding: 9px 10px; border-top: 1px solid var(--line);
  border-radius: 0; font-size: 13.5px;
}
.nav-panel .mega-foot span { display: block; margin-top: 1px; font-size: 12px; color: var(--muted); }

.header-tools { display: flex; align-items: center; gap: 10px; flex: none; }
.site-search { position: relative; }
.site-search label {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}
.site-search input {
  width: 128px; padding: 7px 12px 7px 32px;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2368798b' stroke-width='1.6'%3E%3Ccircle cx='7' cy='7' r='4.6'/%3E%3Cpath d='M10.4 10.4 14 14'/%3E%3C/svg%3E") no-repeat 10px center / 14px;
  font-size: 13.5px;
  transition: width 0.18s ease;
}
.site-search input:focus {
  width: 172px; outline: none; background-color: var(--paper);
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash);
}

/* 绉诲姩绔睍寮€鑿滃崟鍐呯殑妫€绱㈡锛屾闈㈢闅愯棌 */
.nav-mobile-search { display: none; }

.nav-toggle {
  display: none; margin-left: auto; align-items: center; gap: 8px;
  padding: 8px 14px; border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--paper); font-size: 14px; font-weight: 500; cursor: pointer;
}
.nav-toggle span { display: block; width: 16px; height: 9px; border-top: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; }

/* --------------------------------------------------------------------------
   椤甸潰涓昏瑙夛紙娣辫壊鎺у埗瀹ゅ熀璋?+ 钃濆浘缃戞牸锛?
   -------------------------------------------------------------------------- */

.page-hero {
  position: relative; overflow: hidden;
  padding: 58px 0 62px;
  background: var(--deep);
  color: var(--deep-ink);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; background: var(--blueprint); pointer-events: none;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(20, 180, 216, 0.2), transparent 64%),
    radial-gradient(700px 380px at 6% 110%, rgba(10, 110, 209, 0.24), transparent 66%);
}
.page-hero > .wrap { position: relative; z-index: 1; }
.page-hero h1 {
  margin: 18px 0 0;
  font-size: clamp(30px, 3.6vw, 46px); line-height: 1.2;
  letter-spacing: -0.02em; color: #fff;
}
.page-hero .lede { margin-top: 18px; color: var(--deep-muted); }
.page-hero .lede a { color: #7ec8f5; border-bottom-color: rgba(126, 200, 245, 0.35); }
.page-hero .eyebrow { color: var(--cyan); }

/* 棣栭〉涓昏瑙夛細鏇撮珮銆佸弻鏍忋€佸甫鎸囨爣 */
.hero-home { padding: 78px 0 14px; }
/* 首屏大标题偏长（全链路四个词），字号比单句标题小一档，
   并用 balance 避免末尾掉单字 */
.hero-home h1 { font-size: clamp(32px, 3.6vw, 48px); max-width: 16em; text-wrap: balance; }
.hero-grid { display: grid; grid-template-columns: 1.14fr 0.86fr; gap: 52px; align-items: center; }
.hero-visual {
  position: relative; padding: 14px;
  border: 1px solid var(--deep-line); border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}
.hero-visual img {
  width: 100%; height: 340px; object-fit: contain;
  background: linear-gradient(160deg, #101f2e, #0a1725);
  border-radius: var(--radius);
}
.hero-visual figcaption {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 12px; padding: 0 2px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--deep-muted);
}
/* 瑙掓爣锛氬洓瑙掑埢搴︼紝鏈烘煖闈㈡澘瑙傛劅 */
.hero-visual::before, .hero-visual::after {
  content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--cyan); opacity: 0.7;
}
.hero-visual::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hero-visual::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* 首屏轮播：外框仍是上面那圈机柜边，里面换成一组幻灯片。
   只有 .is-on 那张进文档流，所以外框高度不用写死，换图也不会跳动。 */
.hero-visual .cap {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 12px; padding: 0 2px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--deep-muted);
}
.hero-visual .cap span:first-child { color: #e8f1f7; }
.hero-slider .hslide { display: none; }
.hero-slider .hslide.is-on { display: block; animation: hslide-in 0.5s ease both; }
.hero-slider .hslide.is-link { cursor: pointer; }
@keyframes hslide-in { from { opacity: 0; } to { opacity: 1; } }

/* 圆点压在图片下沿之内，不占高度，避开图下那行型号文字。
   后台换上来的照片明暗不定，所以垫一层深色胶囊保证细条看得见。 */
.hero-slider .hdots {
  position: absolute; left: 50%; bottom: 52px; transform: translateX(-50%);
  display: flex; gap: 8px; padding: 7px 11px;
  border: 1px solid var(--deep-line); border-radius: 999px;
  background: rgba(6, 16, 27, 0.6); backdrop-filter: blur(4px);
}
.hero-slider .hdots button {
  width: 22px; height: 3px; padding: 0; border: 0; border-radius: 2px;
  background: rgba(255, 255, 255, 0.45); cursor: pointer;
  transition: background 0.2s ease;
}
.hero-slider .hdots button:hover { background: rgba(255, 255, 255, 0.75); }
.hero-slider .hdots button[aria-current="true"] { background: var(--cyan); }

.hero-slider .harrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; padding: 0;
  border: 1px solid var(--deep-line-2); border-radius: 50%;
  background: rgba(8, 20, 33, 0.7); color: #fff;
  font-family: var(--mono); font-size: 15px; line-height: 1;
  cursor: pointer; opacity: 0; transition: opacity 0.2s ease, background 0.2s ease;
}
.hero-slider:hover .harrow, .hero-slider .harrow:focus-visible { opacity: 1; }
.hero-slider .harrow:hover { background: var(--cyan); border-color: var(--cyan); color: #06121f; }
.hero-slider .harrow.prev { left: 22px; }
.hero-slider .harrow.next { right: 22px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* 鎸囨爣鏉?*/
.metrics {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin: 56px 0 0; padding: 0;
  border-top: 1px solid var(--deep-line);
}
.metrics > div {
  padding: 22px 26px 26px;
  border-right: 1px solid var(--deep-line);
}
.metrics > div:first-child { padding-left: 0; }
.metrics > div:last-child { border-right: 0; }
.metrics b {
  display: block; font-family: var(--mono); font-size: 34px; font-weight: 700;
  line-height: 1; letter-spacing: -0.02em; color: #fff;
}
.metrics b i { font-style: normal; font-size: 16px; font-weight: 500; color: var(--cyan); margin-left: 3px; }
.metrics span { display: block; margin-top: 10px; font-size: 13.5px; color: var(--deep-muted); }
.metrics small { display: block; margin-top: 5px; font-size: 12.5px; line-height: 1.6; color: var(--deep-faint, rgba(255, 255, 255, 0.42)); }

/* 闈㈠寘灞?*/
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 0 0 22px; font-size: 13px; color: var(--deep-muted);
}
.crumbs a { color: var(--deep-muted); }
.crumbs a:hover { color: #fff; }
.crumbs .sep { opacity: 0.4; }

/* --------------------------------------------------------------------------
   鍐呭鍖哄潡
   -------------------------------------------------------------------------- */

.band { padding: 76px 0; background: var(--paper); }
.band-alt { background: var(--surface); }
.band-tight { padding: 48px 0; }
.band + .band-alt, .band-alt + .band { border-top: 1px solid var(--line); }

/* 娣辫壊鎶€鏈尯 */
.band-deep {
  position: relative; overflow: hidden;
  background: var(--deep-2); color: var(--deep-ink);
}
.band-deep::before { content: ""; position: absolute; inset: 0; background: var(--blueprint); }
.band-deep > .wrap { position: relative; z-index: 1; }
.band-deep h2, .band-deep h3 { color: #fff; }
.band-deep .section-sub, .band-deep .lede { color: var(--deep-muted); }
.band-deep .section-index { color: var(--cyan); border-color: var(--deep-line); }
.band-deep .eyebrow { color: var(--cyan); }

/* 鍖哄潡鏍囬 */
.section-head {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: end; gap: 0 22px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.band-deep .section-head { border-bottom-color: var(--deep-line); }
.section-index {
  align-self: start;
  padding-top: 4px;
  font-family: var(--mono); font-size: 13px; font-weight: 600;
  letter-spacing: 0.1em; color: var(--accent);
}
.section-head h2 { margin: 10px 0 0; font-size: clamp(24px, 2.6vw, 32px); }
.section-sub { margin: 12px 0 0; max-width: 52em; color: var(--muted); font-size: 15.5px; line-height: 1.8; }
.link-more {
  align-self: end; flex: none;
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 600; color: var(--accent); white-space: nowrap;
}
.link-more::after {
  content: ""; width: 6px; height: 6px;
  border-top: 1.6px solid currentColor; border-right: 1.6px solid currentColor;
  transform: rotate(45deg); transition: transform 0.16s ease;
}
.link-more:hover::after { transform: translateX(3px) rotate(45deg); }
.band-deep .link-more { color: var(--cyan); }

/* --------------------------------------------------------------------------
   鎸夐挳
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 24px;
  border: 1px solid var(--accent); border-radius: var(--radius);
  background: var(--accent); color: #fff;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.btn:hover { background: var(--accent-d); border-color: var(--accent-d); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-wash); color: var(--accent-d); }
.btn-line { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-line:hover { background: var(--surface); border-color: var(--ink); color: var(--ink); }
/* 娣辫壊鍖轰笂鐨勬寜閽?*/
.page-hero .btn-ghost, .band-deep .btn-ghost {
  border-color: var(--deep-line-2); color: #fff;
}
.page-hero .btn-ghost:hover, .band-deep .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08); color: #fff;
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }

/* --------------------------------------------------------------------------
   鍗＄墖鏍呮牸
   -------------------------------------------------------------------------- */

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

/* 全链路五层：横向链条，卡片之间用短横线连起来表示链路关系 */
.chain { grid-template-columns: repeat(5, 1fr); gap: 22px; }
.chain .feature-card { padding: 24px 20px 26px; }
.chain > .feature-card + .feature-card::after {
  content: "\203A"; position: absolute; left: -16px; top: 50%;
  width: 12px; text-align: center;
  font-size: 20px; line-height: 1; transform: translateY(-55%);
  color: var(--line-2);
}

/* 浜у搧绾垮崱鐗?*/
.line-card {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.line-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform 0.24s ease;
  z-index: 2;
}
.line-card:hover { border-color: var(--line-2); box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.line-card:hover::before { transform: scaleX(1); }
.line-photo { display: block; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.line-photo img { width: 100%; height: 216px; object-fit: cover; }
/* 行业方案卡片用的是拓扑与原理图，裁切会切掉标注，改成完整显示 */
.line-photo.diagram img { object-fit: contain; padding: 14px; background: var(--surface); background-image: var(--blueprint); }
.line-body { padding: 26px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.line-card .index {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
.line-card h3 { margin: 12px 0 10px; font-size: 22px; }
.line-card p { flex: 1; color: var(--ink-2); font-size: 15px; line-height: 1.8; }
.line-card .link-more { margin-top: 20px; align-self: start; }

/* 浜у搧鍗＄墖锛氬浐瀹氬獟浣撳尯楂樺害锛屼繚璇佹爡鏍间笉鍙傚樊 */
.product-card {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.product-card:hover { border-color: var(--accent); box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.product-thumb {
  position: relative; display: block; height: 190px;
  background: var(--surface); border-bottom: 1px solid var(--line);
  background-image: var(--blueprint);
}
.product-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 18px; }
.product-thumb.is-cover img { object-fit: cover; padding: 0; }
.product-thumb .tag {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 9px; border-radius: 2px;
  background: rgba(11, 22, 32, 0.78); color: #fff;
  font-family: var(--mono); font-size: 10.5px; font-weight: 600; letter-spacing: 0.1em;
}
.product-body { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 22px; }
.product-card .model {
  font-family: var(--mono); font-size: 13px; font-weight: 700;
  letter-spacing: 0.06em; color: var(--accent);
}
.product-card h3 { margin: 8px 0 8px; font-size: 17.5px; line-height: 1.45; }
.product-card p { flex: 1; color: var(--muted); font-size: 14px; line-height: 1.7; }
.card-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--faint);
}
.card-foot .go { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; }
.card-foot .go::after {
  content: ""; width: 5px; height: 5px;
  border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; transform: rotate(45deg);
}

/* 鑳藉姏/鐗规€у崱鐗?*/
.feature-card {
  position: relative; padding: 28px 26px 30px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.band-alt .feature-card { background: var(--paper); }
.band-deep .feature-card {
  background: rgba(255, 255, 255, 0.035); border-color: var(--deep-line);
}
.feature-card .num {
  display: inline-block; margin-bottom: 16px;
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; color: var(--accent);
}
.band-deep .feature-card .num { color: var(--cyan); }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.8; }
.band-deep .feature-card p { color: var(--deep-muted); }

/* 搴旂敤鍦烘櫙鍗＄墖 */
.scene-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 250px; padding: 24px;
  border-radius: var(--radius-lg); background: var(--deep-2); color: #fff;
}
.scene-card img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0.55; transition: transform 0.4s ease, opacity 0.3s ease;
}
.scene-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 18, 29, 0.15) 30%, rgba(7, 18, 29, 0.92) 100%);
}
.scene-card:hover img { transform: scale(1.05); opacity: 0.68; }
.scene-card > * { position: relative; z-index: 1; }
.scene-card .eyebrow { color: var(--cyan); }
.scene-card h3 { margin: 12px 0 8px; font-size: 19px; color: #fff; }
.scene-card p { color: rgba(233, 241, 247, 0.8); font-size: 14px; line-height: 1.7; }

/* 鍒嗙粍鏍囬锛堜骇鍝佸垪琛ㄩ〉鍐咃級 */
.group-block + .group-block { margin-top: 56px; }
.group-title {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.group-title h2 { font-size: 21px; }
.group-title h2 a { color: inherit; }
.group-title h2 a:hover { color: var(--accent); }
.count {
  font-family: var(--mono); font-size: 12.5px; font-weight: 400;
  letter-spacing: 0.04em; color: var(--faint);
}

/* 消防排烟下面的三个子类，横排一行 */
.subnav { display: flex; flex-wrap: wrap; gap: 8px; margin: -8px 0 22px; }
.subnav a {
  padding: 6px 13px; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 13.5px; color: var(--ink-2); background: var(--paper);
}
.subnav a:hover { border-color: var(--accent); color: var(--accent); }

/* --------------------------------------------------------------------------
   产品行式列表。产品中心不出缩略图，一行一个型号：左边型号与名称，
   中间是技术参数的前几行，右边是系列与入口。
   -------------------------------------------------------------------------- */
.prow-list { border-top: 1px solid var(--line); }
.prow {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.25fr) auto;
  gap: 24px; align-items: center;
  padding: 18px 4px; border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}
.prow:hover { background: var(--surface); }
.prow-id { min-width: 0; }
.prow-id em {
  display: block; font-family: var(--mono); font-style: normal;
  font-size: 12px; letter-spacing: 0.06em; color: var(--accent);
}
.prow-id b { display: block; margin-top: 3px; font-size: 16px; color: var(--ink); }
.prow:hover .prow-id b { color: var(--accent); }
.prow-tag { display: block; margin-top: 4px; font-size: 13px; line-height: 1.55; color: var(--muted); }

/* 参数小标签由 site.js 生成，取技术参数的前三行 */
.prow-spec { display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.prow-spec i {
  display: inline-flex; align-items: baseline; gap: 5px;
  padding: 4px 9px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); font-style: normal; font-size: 12.5px; color: var(--ink-2);
}
.prow-spec i b { font-weight: 400; color: var(--muted); }

.prow-meta { display: flex; align-items: center; gap: 18px; justify-self: end; }
.prow-series { font-size: 13px; color: var(--faint); }
.prow-go {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--accent); white-space: nowrap;
}
.prow-go::after { content: " \203A"; }

/* 解决方案那一组不是产品，没有型号和参数格 */
.prow-plain { grid-template-columns: minmax(0, 1fr) auto; }

/* --------------------------------------------------------------------------
   浜у搧璇︽儏
   -------------------------------------------------------------------------- */

.detail { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
/* 鍨嬪彿琛屼綅浜庢繁鑹蹭富瑙嗚鍐咃紝涓嶅湪 .detail 涔嬩笅 */
.model-line {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin-top: 20px;
  font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; color: var(--cyan);
}
.model-line .kind {
  padding: 2px 9px; border: 1px solid var(--deep-line-2); border-radius: 2px;
  font-size: 11px; letter-spacing: 0.1em; color: var(--deep-ink);
}

.detail-photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.detail-photos .shot { min-height: 0; }

/* 瑕佺偣鍒楄〃 */
.points { margin: 26px 0 0; padding: 0; list-style: none; }
.points li {
  position: relative; padding: 13px 0 13px 26px;
  border-top: 1px solid var(--line); color: var(--ink-2); font-size: 15px; line-height: 1.75;
}
.points li:last-child { border-bottom: 1px solid var(--line); }
.points li::before {
  content: ""; position: absolute; left: 2px; top: 22px;
  width: 8px; height: 8px; border: 2px solid var(--accent); border-radius: 1px;
}

/* 鍦烘櫙鏍囩 */
.scenes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.scenes i {
  font-style: normal; padding: 5px 12px;
  border: 1px solid var(--line-2); border-radius: 2px; background: var(--surface);
  font-size: 13px; color: var(--ink-2);
}

/* 瑙勬牸琛?*/
.spec {
  position: sticky; top: calc(var(--header) + 20px);
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--paper);
}
.spec-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 22px; background: var(--deep); color: #fff;
}
.spec-head h2 { font-size: 15px; color: #fff; letter-spacing: 0.02em; }
.spec-head span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--cyan); }
.spec table { width: 100%; border-collapse: collapse; }
.spec th, .spec td {
  text-align: left; vertical-align: top; padding: 13px 22px;
  border-top: 1px solid var(--line); font-size: 14px;
}
.spec tr:first-child th, .spec tr:first-child td { border-top: 0; }
.spec th { width: 38%; color: var(--muted); font-weight: 500; }
.spec td { color: var(--ink); font-family: var(--mono); font-size: 13px; line-height: 1.7; }
.spec-note {
  padding: 14px 22px 18px; border-top: 1px solid var(--line);
  background: var(--surface); color: var(--muted); font-size: 12.5px; line-height: 1.7;
}
.spec-note a { color: var(--accent); }
/* 参数还没填的型号，用一句说明替掉空表格 */
.spec-empty {
  margin: 0; padding: 18px 22px 20px;
  color: var(--muted); font-size: 13.5px; line-height: 1.75;
}

/* --------------------------------------------------------------------------
   鍥惧簱
   -------------------------------------------------------------------------- */

.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button {
  padding: 8px 18px; border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--paper); color: var(--ink-2); font-size: 14px; cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.filters button:hover { border-color: var(--ink-2); color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
/* 娣辫壊鍖轰笂鐨勭瓫閫?*/
.page-hero .filters button {
  background: rgba(255, 255, 255, 0.05); border-color: var(--deep-line); color: var(--deep-ink);
}
.page-hero .filters button:hover { border-color: var(--deep-line-2); }
.page-hero .filters button[aria-pressed="true"] { background: var(--cyan); border-color: var(--cyan); color: var(--deep); font-weight: 600; }

.mosaic { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.shot {
  position: relative; margin: 0; overflow: hidden; cursor: zoom-in;
  display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.shot:hover { border-color: var(--accent); box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.shot img {
  width: 100%; height: 200px; object-fit: contain;
  background: var(--surface); background-image: var(--blueprint); padding: 12px;
}
.shot-cover img { object-fit: cover; padding: 0; background-image: none; }
/* 方案详情页的拓扑图要看清接线，比图库缩略图给更多高度 */
.shot-tall img { height: 380px; padding: 20px; }
.shot figcaption { padding: 14px 16px 16px; }
.shot figcaption b { display: block; font-size: 14px; font-weight: 600; }
.shot figcaption span { display: block; margin-top: 3px; color: var(--muted); font-size: 12.5px; line-height: 1.6; }
.shot-video { cursor: default; }
.shot-video:hover { transform: none; }
/* 涓?.shot img 绛夐珮锛屼繚璇佸浘搴撶綉鏍兼瘡琛岄珮搴︿竴鑷?*/
.shot-video video { width: 100%; height: 200px; object-fit: cover; background: var(--deep); }
.detail-photos .shot img { height: 148px; }
.detail-photos .shot-video { grid-column: 1 / -1; }
.detail-photos .shot-video video { height: auto; aspect-ratio: 9 / 16; max-height: 560px; object-fit: contain; }

#lightbox {
  position: fixed; inset: 0; z-index: 60; padding: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(7, 18, 29, 0.93); backdrop-filter: blur(4px);
}
#lightbox[hidden] { display: none; }
#lightbox img {
  max-width: min(1100px, 92vw); max-height: 86vh; object-fit: contain;
  background: var(--paper); border-radius: var(--radius);
}
.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  padding: 8px 18px; border: 1px solid rgba(255, 255, 255, 0.4); border-radius: var(--radius);
  background: transparent; color: #fff; cursor: pointer; font-size: 14px;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.12); }

/* --------------------------------------------------------------------------
   鏂规 / 鏂綉鎺ュ叆 / 娓犻亾锛氭妧鏈潯鐩?
   -------------------------------------------------------------------------- */

.entry-list { display: grid; gap: 18px; }
.entry {
  display: grid; grid-template-columns: 190px 1fr; gap: 32px;
  padding: 30px 32px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.entry:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
.entry-label { border-left: 3px solid var(--accent); padding-left: 16px; }
/* 璇ュ鏍囩涓轰腑鏂囷紝涓嶉渶瑕佹媺涓佹枃灏忔爣棰樼殑瀹藉瓧璺?*/
.entry-label .eyebrow { color: var(--accent); letter-spacing: 0.06em; }
.entry-label .eyebrow::before { display: none; }
.entry-label .no {
  display: block; margin-top: 8px;
  font-family: var(--mono); font-size: 28px; font-weight: 700; color: var(--surface-2);
  line-height: 1;
}
.entry h3 { font-size: 20px; margin-bottom: 12px; }
.entry p { color: var(--ink-2); font-size: 15px; line-height: 1.85; }
.entry .links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.entry .links a {
  padding: 6px 14px; border: 1px solid var(--line-2); border-radius: 2px;
  background: var(--surface);
  font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--accent);
}
.entry .links a:hover { border-color: var(--accent); background: var(--accent-wash); }

/* --------------------------------------------------------------------------
   璧勬枡椤?
   -------------------------------------------------------------------------- */

.doc-group + .doc-group { margin-top: 48px; }
.doc-group > h2 {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 4px; padding-bottom: 14px;
  border-bottom: 2px solid var(--ink); font-size: 20px;
}
.doc-group > h2 .mono { font-size: 12px; color: var(--accent); letter-spacing: 0.12em; }
.doc-row {
  display: grid; grid-template-columns: 148px 1fr auto; align-items: center; gap: 24px;
  padding: 20px 0; border-bottom: 1px solid var(--line);
}
.doc-row .model { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--accent); }
.doc-row .kind { display: block; margin-top: 4px; font-size: 12px; color: var(--faint); }
.doc-row h3 { font-size: 16.5px; }
.doc-row p { margin-top: 4px; color: var(--muted); font-size: 14px; }
.doc-row .links { display: flex; gap: 18px; flex: none; }
.doc-row .links a { font-size: 14px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.doc-row .links a:hover { text-decoration: underline; text-underline-offset: 3px; }

.faq details {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--paper); margin-bottom: 12px;
}
.faq details[open] { border-color: var(--line-2); box-shadow: var(--shadow); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 24px; cursor: pointer; font-size: 16px; font-weight: 600; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 9px; height: 9px;
  border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: translateY(-3px) rotate(45deg); transition: transform 0.18s ease;
}
.faq details[open] summary::after { transform: translateY(1px) rotate(-135deg); }
.faq p { padding: 0 24px 22px; color: var(--ink-2); font-size: 15px; line-height: 1.85; }

/* --------------------------------------------------------------------------
   閫夊瀷
   -------------------------------------------------------------------------- */

.wizard-step { margin-bottom: 14px; }
.step-label {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
}
.step-label b {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 2px;
  background: var(--accent); color: #fff; font-size: 11px;
}
.wizard-q { margin: 26px 0 16px; font-size: 21px; }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.choice {
  position: relative; display: flex; flex-direction: column; gap: 8px;
  padding: 20px 20px 22px; text-align: left; cursor: pointer;
  background: var(--paper); border: 1px solid var(--line-2); border-radius: var(--radius-lg);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.choice:hover { border-color: var(--ink-2); }
.choice b { font-size: 15.5px; font-weight: 600; line-height: 1.5; }
.choice span { color: var(--muted); font-size: 13.5px; line-height: 1.7; }
.choice[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.choice[aria-pressed="true"]::after {
  content: ""; position: absolute; top: 14px; right: 14px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
}
.wizard-result {
  margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line);
}
.wizard-result > h3 {
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 17px;
}
.wizard-result > h3::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal); box-shadow: 0 0 0 3px rgba(35, 179, 106, 0.18);
}

.compare + .compare { margin-top: 32px; }
.compare h3 {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 14px; font-size: 18px;
}
.compare-scroll {
  overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper);
}
.compare table { width: 100%; border-collapse: collapse; min-width: 680px; }
.compare th, .compare td {
  text-align: left; vertical-align: top; padding: 14px 18px;
  border-bottom: 1px solid var(--line); font-size: 14px; line-height: 1.7;
}
.compare thead th {
  background: var(--deep); color: #fff; font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.06em; border-bottom: 0;
}
.compare thead th:first-child { background: var(--deep-3); }
.compare tbody th { width: 150px; color: var(--muted); font-weight: 500; background: var(--surface); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }

/* --------------------------------------------------------------------------
   鐭ヨ瘑浜ф潈
   -------------------------------------------------------------------------- */

.ip-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper); }
.ip-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.ip-table th, .ip-table td {
  text-align: left; vertical-align: top; padding: 14px 18px;
  border-bottom: 1px solid var(--line); font-size: 14px;
}
.ip-table thead th {
  background: var(--surface); color: var(--muted);
  font-family: var(--mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.ip-table tbody tr:last-child td { border-bottom: 0; }
.ip-table td.no { font-family: var(--mono); font-size: 13px; color: var(--accent); white-space: nowrap; }
.ip-table td.date { font-family: var(--mono); font-size: 13px; color: var(--muted); white-space: nowrap; }
.ip-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--ink-2); white-space: nowrap;
}
.ip-status::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--signal);
}
.ip-status.is-filed::before { background: var(--warn); }

.faq-list { max-width: 760px; margin: 0; }
.faq-list dt { margin-top: 22px; font-weight: 650; color: var(--ink); }
.faq-list dt:first-child { margin-top: 0; }
.faq-list dd { margin: 8px 0 0; color: var(--ink-2); line-height: 1.75; }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert-grid .shot img { height: 260px; object-fit: contain; background: var(--paper); background-image: none; padding: 8px; }
.cert-block + .cert-block { margin-top: 36px; }
.cert-block h3 { margin: 0 0 16px; font-size: 18px; font-weight: 650; }

/* 鍚庡彴瀵屾枃鏈鏂囷紙鏂伴椈璇︽儏锛夛紝闄愬埗琛屽淇濊瘉鍙 */
.post-body { max-width: 760px; color: var(--ink-2); font-size: 16px; line-height: 1.9; }
.post-body > * + * { margin-top: 16px; }
.post-body h2, .post-body h3 { color: var(--ink); margin-top: 32px; }
.post-body img { max-width: 100%; height: auto; border-radius: var(--radius); }
.post-body a { color: var(--accent); }
.post-body ul, .post-body ol { padding-left: 22px; }
.post-body li + li { margin-top: 8px; }

/* --------------------------------------------------------------------------
   鑱旂郴
   -------------------------------------------------------------------------- */

.contact-grid { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 24px; align-items: start; }
.contact-card {
  position: relative; overflow: hidden;
  padding: 34px 32px 32px; border-radius: var(--radius-lg);
  background: var(--deep); color: var(--deep-ink);
}
.contact-card::before { content: ""; position: absolute; inset: 0; background: var(--blueprint); }
.contact-card > * { position: relative; z-index: 1; }
.contact-card h2 { color: #fff; font-size: 20px; }
.contact-card > p { margin-top: 12px; color: var(--deep-muted); font-size: 14.5px; line-height: 1.8; }
.contact-card dl { margin: 26px 0 0; }
.contact-card dt {
  margin-top: 18px; font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan);
}
.contact-card dd { margin: 5px 0 0; color: var(--deep-ink); font-size: 14.5px; line-height: 1.7; }
.contact-card dd a { color: #7ec8f5; }

.loc-map {
  position: relative; display: block; height: 240px; margin-top: 26px;
  border: 1px solid var(--deep-line); border-radius: var(--radius); overflow: hidden;
  background: var(--deep-3);
}
.loc-tiles { position: absolute; inset: 0; }
.loc-tiles img { position: absolute; width: 256px; height: 256px; max-width: none; }
.loc-pin {
  position: absolute; left: 50%; top: 50%; z-index: 1;
  width: 14px; height: 14px; margin: -7px 0 0 -7px;
  border-radius: 50%; background: var(--accent); border: 2px solid #fff;
  box-shadow: 0 1px 6px rgba(7, 18, 29, 0.5);
}
.loc-card {
  position: absolute; left: 10px; right: 10px; bottom: 10px; z-index: 1;
  padding: 9px 13px; border-radius: 2px;
  background: rgba(7, 18, 29, 0.9); color: #fff; font-size: 12.5px; line-height: 1.5;
}
.loc-card b { display: block; font-size: 13.5px; }
.map-links { display: flex; gap: 16px; margin-top: 14px; }
.map-links a { font-size: 13.5px; color: #7ec8f5; }

.form {
  padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper);
}
.form > h2 { font-size: 20px; }
.form > p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.form label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.form label.full { grid-column: 1 / -1; }
.form .req { color: var(--warn); margin-left: 3px; }
.form input, .form textarea, .form select {
  width: 100%; margin-top: 7px; padding: 11px 13px;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); font-size: 14.5px; font-weight: 400;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none; background: var(--paper);
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash);
}
.form textarea { min-height: 128px; resize: vertical; line-height: 1.7; }
.form .hint { color: var(--muted); font-size: 13px; }
/* 楠岃瘉鐮侊細杈撳叆妗嗗崰婊″墿浣欏搴︼紝鍙充晶璐村浘鐗囷紝鐐瑰浘鐗囨崲涓€寮?*/
.form .code-row { display: flex; align-items: flex-end; gap: 12px; }
.form .code-row input { flex: 1; }
.form .code-row img {
  height: 43px; margin-top: 7px; border: 1px solid var(--line-2);
  border-radius: var(--radius); background: var(--surface); cursor: pointer;
}
#inquiry-preview {
  width: 100%; min-height: 150px; margin-top: 16px; padding: 14px;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--surface); font-family: var(--mono); font-size: 13px; line-height: 1.8;
}

/* --------------------------------------------------------------------------
   鎼滅储
   -------------------------------------------------------------------------- */

.search-form { max-width: 620px; margin-top: 26px; }
.search-form label {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0);
}
.search-form input {
  width: 100%; padding: 14px 18px;
  border: 1px solid var(--deep-line-2); border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06); color: #fff; font-size: 16px;
}
.search-form input::placeholder { color: var(--deep-muted); }
.search-form input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-wash); }

.search-count { margin-bottom: 20px; font-family: var(--mono); font-size: 13px; color: var(--muted); letter-spacing: 0.06em; }
.search-list { display: grid; gap: 12px; }
.search-hit {
  display: grid; grid-template-columns: 116px 1fr; gap: 20px; align-items: start;
  padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.search-hit:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.search-hit .kind {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
  padding-top: 3px;
}
.search-hit b { display: block; font-size: 16px; }
.search-hit p { margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.7; }

/* 鍒嗛〉鏉°€倇page:numbar} 杈撳嚭鐨勬槸 a.page-num锛屽綋鍓嶉〉澶氫竴涓?page-num-current */
.pager {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center;
  margin-top: 32px; font-family: var(--mono); font-size: 13px;
}
.pager a, .pager .page-num {
  min-width: 38px; padding: 9px 12px; text-align: center;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  background: var(--paper); color: var(--ink-2);
}
.pager a:hover { border-color: var(--accent); color: var(--accent); }
.pager .page-num-current {
  border-color: var(--accent); background: var(--accent); color: #fff;
}

/* --------------------------------------------------------------------------
   閫氱敤鐘舵€佸潡
   -------------------------------------------------------------------------- */

.empty, .note-box {
  padding: 26px 28px; border: 1px solid var(--line-2); border-radius: var(--radius-lg);
  background: var(--surface); color: var(--muted); font-size: 15px; line-height: 1.8;
}
.empty a, .note-box a { color: var(--accent); }
.note-box {
  border-left: 3px solid var(--accent); background: var(--paper); color: var(--ink-2);
}
.note-box h3 { font-size: 16px; margin-bottom: 8px; }

/* 鍏充簬椤碉細淇℃伅鍗?*/
.fact-list { margin: 0; padding: 0; list-style: none; }
.fact-list li {
  display: grid; grid-template-columns: 116px 1fr; gap: 20px;
  padding: 15px 0; border-top: 1px solid var(--line); font-size: 15px;
}
.fact-list li:last-child { border-bottom: 1px solid var(--line); }
.fact-list dt, .fact-list .k {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); padding-top: 4px;
}
.fact-list .v { color: var(--ink-2); line-height: 1.75; }

/* CTA 鍖?*/
.cta { text-align: center; }
.cta h2 { font-size: clamp(24px, 3vw, 34px); color: #fff; }
.cta p { margin: 16px auto 0; max-width: 46em; color: var(--deep-muted); font-size: 16px; line-height: 1.85; }
.cta .actions { justify-content: center; margin-top: 32px; }

/* --------------------------------------------------------------------------
   椤佃剼
   -------------------------------------------------------------------------- */

.site-footer { background: var(--deep); color: var(--deep-muted); }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding: 60px 0 44px; }
.footer-brand .wordmark { display: flex; align-items: center; gap: 12px; }
.footer-brand .wordmark img { width: 52px; height: 52px; }
.footer-brand .wordmark b { display: block; font-size: 17px; font-weight: 700; color: #fff; }
.footer-brand .wordmark small {
  display: block; margin-top: 2px;
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.26em; color: var(--cyan);
}
.footer-brand p { margin-top: 20px; font-size: 14px; line-height: 1.85; color: var(--deep-muted); }
.site-footer h2 {
  margin-bottom: 18px;
  font-family: var(--mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: #fff;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 11px; font-size: 14px; line-height: 1.6; }
.site-footer a { color: var(--deep-muted); }
.site-footer a:hover { color: #fff; }
/* 浠呭甫鏍囩鐨勮仈绯讳俊鎭娇鐢ㄤ袱鍒楋紝鍏朵綑閾炬帴鍒楄〃淇濇寔鍗曞垪 */
.footer-contact .reach li { display: grid; grid-template-columns: 46px 1fr; gap: 12px; }
.footer-contact .reach .k { font-size: 12px; color: rgba(139, 165, 186, 0.6); }
.site-qr { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.site-qr img {
  width: 132px; height: auto; padding: 6px;
  background: #fff; border-radius: 8px;
}
.site-qr span { font-size: 13px; line-height: 1.65; color: var(--deep-muted); }
.contact-card .site-qr { margin-top: 28px; }
.contact-card .site-qr img { width: 156px; height: auto; }
.footer-contact .site-qr + ul { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, 0.07); }
.footer-legal {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding: 18px 0 22px; border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 13px; color: rgba(139, 165, 186, 0.8);
}
.footer-legal a { color: inherit; }

/* --------------------------------------------------------------------------
   鍝嶅簲寮?
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .chain { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .chain > .feature-card + .feature-card::after { display: none; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics > div { border-bottom: 1px solid var(--deep-line); padding-left: 26px; }
  .metrics > div:first-child { padding-left: 26px; }
  .metrics > div:nth-child(2n) { border-right: 0; }
  .metrics > div:nth-last-child(-n + 2) { border-bottom: 0; }
}

@media (max-width: 960px) {
  :root { --header: 104px; }
  .wrap, .wrap-narrow { width: calc(100% - 40px); }

  .topbar-claim { display: none; }
  .topbar-inner { justify-content: flex-end; }

  .nav-toggle { display: inline-flex; }
  .header-tools { display: none; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; height: auto;
    max-height: calc(100vh - var(--header)); overflow-y: auto;
    padding: 10px 16px 20px;
    background: var(--paper); border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(11, 22, 32, 0.12);
  }
  .nav.is-open { display: flex; }
  .nav-item { display: block; }
  .nav-link {
    height: auto; padding: 13px 4px; border-bottom: 1px solid var(--line); font-size: 15.5px;
  }
  .nav-item.is-current > .nav-link { color: var(--accent); }
  .nav-caret { display: none; }
  .nav-panel {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    min-width: 0; padding: 4px 0 10px; border: 0; box-shadow: none; background: transparent;
  }
  .nav-panel a { padding: 9px 14px; }
  .nav-panel a span { display: none; }
  /* 手机上大面板拉成一列，四组依次往下排 */
  .nav-mega { grid-template-columns: 1fr; gap: 0; padding: 0; }
  .mega-col + .mega-col { padding-left: 0; border-left: 0; }
  .nav-panel .mega-head { padding: 12px 14px 8px; border-bottom: 0; color: var(--muted); font-size: 12.5px; }
  .nav-panel .mega-col li a { padding: 8px 14px 8px 26px; }
  .nav-mobile-search { display: block; margin-top: 14px; }
  .nav-mobile-search input {
    width: 100%; padding: 11px 14px; border: 1px solid var(--line-2);
    border-radius: var(--radius); background: var(--surface); font-size: 15px;
  }

  .hero-grid, .detail, .contact-grid, .grid-2, .grid-3, .grid-4, .chain,
  .choice-grid, .footer-top { grid-template-columns: 1fr; }
  .hero-home { padding-top: 52px; }
  .hero-visual img { height: 260px; }
  .spec { position: static; }
  .band { padding: 56px 0; }
  .section-head { grid-template-columns: auto 1fr; }
  .section-head .link-more { grid-column: 2; margin-top: 16px; justify-self: start; }
  .entry { grid-template-columns: 1fr; gap: 20px; padding: 26px 24px; }
  .entry-label .no { display: none; }
  .mosaic { grid-template-columns: repeat(2, 1fr); }
  .detail-photos { grid-template-columns: repeat(2, 1fr); }
  .doc-row { grid-template-columns: 1fr; gap: 10px; }
  .form-grid { grid-template-columns: 1fr; }
  .form { padding: 26px 22px; }
}

@media (max-width: 620px) {
  .wrap, .wrap-narrow { width: calc(100% - 32px); }
  .page-hero { padding: 40px 0 44px; }
  .metrics { grid-template-columns: 1fr; margin-top: 40px; }
  .metrics > div { padding: 18px 0; border-right: 0; }
  .metrics > div:first-child { padding-left: 0; }
  .metrics b { font-size: 28px; }
  /* 手机没有 hover，箭头改成常显，否则只剩圆点可点 */
  .hero-slider .harrow { opacity: 1; width: 30px; height: 30px; }
  .hero-slider .harrow.prev { left: 18px; }
  .hero-slider .harrow.next { right: 18px; }
  .hero-slider .hdots { bottom: 44px; }
  .mosaic, .cert-grid, .detail-photos { grid-template-columns: 1fr; }
  .search-hit { grid-template-columns: 1fr; gap: 6px; }
  .fact-list li { grid-template-columns: 1fr; gap: 4px; }
  .band { padding: 44px 0; }
  .section-head { margin-bottom: 28px; }
  .footer-top { padding: 44px 0 32px; gap: 32px; }
}

/* --------------------------------------------------------------------------
   鎵撳嵃锛堜骇鍝佽鏍奸〉鍙﹀瓨 PDF锛?
   -------------------------------------------------------------------------- */

@media print {
  .site-header, .site-footer, .skip, .actions, .crumbs, .filters,
  .link-more, .band-deep, #lightbox { display: none !important; }
  body { background: #fff; color: #000; }
  .page-hero { background: #fff; color: #000; padding: 0 0 20px; }
  .page-hero::before, .page-hero::after { display: none; }
  .page-hero h1, .page-hero .lede, .page-hero .eyebrow { color: #000; }
  .spec, .product-card, .line-card, .entry, .form, .note-box {
    border-color: #bbb; background: #fff; box-shadow: none;
  }
  .spec-head { background: #fff; color: #000; border-bottom: 2px solid #000; }
  .spec-head h2, .spec-head span { color: #000; }
}