/* ============================================================================
   中琢智慧流体设备（湖北）有限公司 · 站点样式
   版式语言：「剖面标尺 + 管段节点」
     · 冷白纸底 + 墨钢灰壳 + 工业橙信号 + 湖水青水线
     · 全站区块头统一「§编号 + 等宽英文 kicker + 中文粗黑标题 + 剖面标尺刻度线」
     · 直角工业卡（1px 细描边 + 顶部色条），无圆角大阴影，无位图背景
   硬约束：零 CDN（无 @font-face / 无外链 / 无 background-image 位图或渐变），
           防溢出，无 JS 不白屏，深色区浅色卡显式声明文字色。
   ========================================================================== */

/* ---------------------------------------------------------------- 1. 令牌 */
:root {
  /* 深色壳（页头信息条 / 深色区 / 页脚） */
  --shell: #1e2529;
  --shell-2: #2b3439;
  --shell-3: #39444a;
  /* 品牌：工业橙。--brand 作底色（白字 5.00:1）；--brand-d 作浅底文字（最差底 5.43:1） */
  --brand: #c2470f;
  --brand-d: #a33f0c;
  --brand-l: #fbe9dc;
  /* 辅助：湖水青（浅底文字 5.03:1 起） */
  --teal: #0f6f71;
  --teal-d: #0a5456;
  --teal-l: #e2f0f0;
  /* 纸面 */
  --paper: #f3f5f4;
  --paper-2: #e9edec;
  --card: #ffffff;
  /* 文字（三级灰对最差底 --paper-2 为 4.70:1） */
  --ink: #16201f;
  --ink-2: #3c4a4b;
  --ink-3: #5d6b6c;
  /* 线 */
  --line: #d8dedd;
  --line-2: #e7ebea;
  /* 深底文字 */
  --on-dark: #eef3f2;
  --on-dark-2: #a9b6b7;
  --on-dark-accent: #f2894c;
  --on-dark-teal: #5ec9c4;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;

  --wrap: 1200px;
  --gut: 20px;
  --r: 10px;
  --r-s: 6px;
}

/* ---------------------------------------------------------------- 2. 复位 */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 16px/1.75 var(--font);
  color: var(--ink);
  background: var(--paper);
  overflow-wrap: break-word;
}
h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--brand-d); }
strong { font-weight: 700; color: var(--ink); }
em { font-style: normal; }
img, video { max-width: 100%; height: auto; display: block; border: 0; }
svg { display: inline-block; vertical-align: -.125em; flex: 0 0 auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }
::selection { background: var(--brand-l); color: var(--ink); }

/* ---------------------------------------------------------------- 3. 通用零件 */
.wrap { width: min(var(--wrap), calc(100% - var(--gut) * 2)); margin-inline: auto; }
.wrap--narrow { width: min(880px, calc(100% - var(--gut) * 2)); }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { width: 17px; height: 17px; max-width: none; fill: none; stroke: currentColor; }

/* 长文本断行：标题 / 正文 / 卡片描述 / 侧栏条目一律允许断词。
   中文没有空格，浏览器默认断行策略在窄屏遇到长英文型号或连续标点会撑破容器，
   这里对全站「承载长文本」的元素统一兜底，配合 html{overflow-x:clip} 双保险。 */
.hero__title, .hero__desc, .sechead__title, .sechead__desc, .about__lead, .about__p,
.intro__lead, .intro__txt p, .duo__t, .tri__t, .wcard__t, .wcard__ex, .plain__t,
.rowline__t, .art-head__t, .art-body p, .art-ul > li, .phead__t, .phead__d,
.casec__d, .whot__t, .wsame__t, .toc__t, .foot__d, .locmap__it, .cinfo__v, .consult__d
{ overflow-wrap: break-word; }

.skip {
  position: absolute; z-index: 999; clip: rect(0 0 0 0); width: 1px; height: 1px;
  overflow: hidden; white-space: nowrap; border: 0;
}
.skip:focus {
  clip: auto; width: auto; height: auto; padding: 10px 16px; background: var(--brand);
  color: #fff; border-radius: 0 0 var(--r-s) 0; left: 0; top: 0;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px;
  border-radius: var(--r-s); border: 1px solid transparent;
  font-size: 15px; font-weight: 700; line-height: 1.2; white-space: nowrap;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn > .btn__t, .nav-toggle > .btn__t { color: inherit; font-size: inherit; line-height: inherit; font-weight: inherit; }
.btn .i { width: 16px; height: 16px; }
.btn--primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn--primary:hover { background: var(--brand-d); border-color: var(--brand-d); color: #fff; }
.btn--ghost { border-color: rgba(238, 243, 242, .45); color: var(--on-dark); }
.btn--ghost:hover { background: rgba(238, 243, 242, .12); border-color: var(--on-dark); color: var(--on-dark); }
.btn--line { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn--line:hover { border-color: var(--brand); color: var(--brand-d); }
.btn--cta { background: var(--brand); color: #fff; }

/* ---------------------------------------------------------------- 4. 顶栏 */
.topbar { background: var(--shell); color: var(--on-dark-2); font-size: 13px; }
.topbar__inner { display: flex; align-items: center; gap: 16px; padding-block: 8px; }
.topbar__list { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 22px; min-width: 0; }
.topbar__list > li { display: flex; align-items: center; gap: 7px; min-width: 0; }
.topbar__list .i { width: 14px; height: 14px; color: var(--on-dark-teal); }
.topbar__k { color: var(--on-dark-2); }
.topbar__v { color: var(--on-dark); font-family: var(--mono); font-size: 13px; letter-spacing: .02em; }
a.topbar__v:hover { color: var(--on-dark-accent); }
.topbar__tel, .topbar__mail { min-width: 0; }
/* 顶栏右端：认证说明 + 语言切换。margin-left:auto 从 .topbar__note 上移到这里，
   这样窄屏隐藏 .topbar__note 时语言切换仍贴在右端，不会被挤到行首。 */
.topbar__end { display: flex; align-items: center; gap: 12px; margin-left: auto; min-width: 0; }
.topbar__note {
  display: flex; align-items: center; gap: 7px;
  color: var(--on-dark-2); white-space: nowrap;
}
.topbar__note .i { width: 14px; height: 14px; color: var(--on-dark-accent); }
/* 语言切换：胶囊按钮，语言名用该语言自己的写法（中文站显示 EN，英文站显示 中） */
.langswitch {
  display: inline-flex; align-items: center; gap: 5px; flex: none;
  padding: 3px 10px; border: 1px solid var(--shell-3); border-radius: 999px;
  color: var(--on-dark); font-family: var(--mono); font-size: 12px;
  letter-spacing: .1em; line-height: 1; white-space: nowrap;
  transition: color .18s ease, border-color .18s ease;
}
.langswitch:hover, .langswitch:focus-visible { color: var(--on-dark-accent); border-color: var(--on-dark-accent); }
.langswitch:focus-visible { outline: 2px solid var(--on-dark-accent); outline-offset: 2px; }
.langswitch__i { width: 13px; height: 13px; color: var(--on-dark-teal); }
.langswitch__t { display: block; padding-top: 1px; }

/* ---------------------------------------------------------------- 5. 页头 */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.header-main {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 26px;
  padding-block: 12px;
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; color: var(--ink); }
.brand__mark { width: 40px; height: 40px; border-radius: var(--r-s); }
.brand__txt { display: flex; flex-direction: column; min-width: 0; }
.brand__name { font-size: 17px; font-weight: 800; letter-spacing: .02em; line-height: 1.25; white-space: nowrap; }
.brand__sub { font-family: var(--mono); font-size: 9px; letter-spacing: .14em; color: var(--ink-3); white-space: nowrap; }

.nav { min-width: 0; }
.nav__list { display: flex; flex-wrap: nowrap; align-items: center; }
.nav__list > li { flex: 0 0 auto; }
.nav__link {
  display: block; padding: 8px 15px; font-size: 15px; font-weight: 700; color: var(--ink);
  white-space: nowrap; border-bottom: 2px solid transparent;
}
.nav__link:hover { color: var(--brand-d); border-bottom-color: var(--line); }
.nav__link.is-cur { color: var(--brand-d); border-bottom-color: var(--brand); }
.header-side { display: flex; align-items: center; margin-left: auto; }
.header-cta {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px;
  background: var(--brand); color: #fff; border-radius: var(--r-s);
  font-size: 14px; font-weight: 700; white-space: nowrap;
}
.header-cta:hover { background: var(--brand-d); color: #fff; }
.header-cta .i { width: 16px; height: 16px; }
/* 标签色保护：避免被 a / strong 等通用着色规则带走 */
.header-cta > .header-cta__t { color: inherit; font-size: inherit; font-weight: inherit; }
.nav-toggle {
  display: none; align-items: center; gap: 7px; padding: 9px 14px;
  border: 1px solid var(--line); border-radius: var(--r-s);
  font-size: 14px; font-weight: 700; color: var(--ink);
}
.nav-toggle .i { width: 18px; height: 18px; }
.nav-toggle__i-close { display: none; }
.site-header.is-collapsible .nav-toggle { display: inline-flex; }
.site-header.is-open .nav-toggle__i-open { display: none; }
.site-header.is-open .nav-toggle__i-close { display: inline-block; }

/* 桌面档：品牌 · 导航 · CTA 同处一行（导航吃满剩余宽度、条目靠右与 CTA 相邻）。
   ★ 这里必须显式给 flex，否则会落到下面「无 JS 兜底」的整行规则上，
     把导航挤成第二行、CTA 挤成第三行，sticky 页头瞬间变 174px。 */
.site-header:not(.is-collapsible) .nav { flex: 1 1 auto; }
.site-header:not(.is-collapsible) .nav__list { justify-content: flex-end; }
.site-header.is-collapsible .nav { flex: 1 0 100%; max-height: 0; overflow: hidden; transition: max-height .28s ease; }
.site-header.is-collapsible.is-open .nav { max-height: 520px; }

/* ---------------------------------------------------------------- 6. Hero */
.hero { background: var(--shell); color: var(--on-dark); position: relative; }
.hero__inner {
  display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: 46px; align-items: center; padding-block: 66px 52px;
}
.hero__kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
  color: var(--on-dark-teal); margin-bottom: 18px;
}
.hero__kicker .i { width: 15px; height: 15px; }
.hero__title { font-size: clamp(27px, 3.4vw, 46px); line-height: 1.24; font-weight: 800; color: #fff; letter-spacing: .01em; }
.hero__desc { margin-top: 18px; font-size: 16px; line-height: 1.85; color: var(--on-dark-2); max-width: 34em; }
.hero__kws { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.hero__txt { min-width: 0; }
.hero__kw { min-width: 0; }
.hero__kwlink {
  display: block; padding: 6px 13px; border: 1px solid rgba(238, 243, 242, .3);
  border-radius: 999px; font-size: 13px; color: var(--on-dark); white-space: nowrap;
}
.hero__kwlink:hover { border-color: var(--on-dark-accent); color: var(--on-dark-accent); }
.hero__acts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.hero__fig { border: 1px solid rgba(238, 243, 242, .18); border-radius: var(--r); overflow: hidden; }
.hero__img { width: 100%; height: auto; }
.hero__cap {
  padding: 10px 14px; font-size: 12.5px; color: var(--on-dark-2);
  border-top: 1px solid rgba(238, 243, 242, .14);
}

.hero__stats { padding-bottom: 46px; }
.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(238, 243, 242, .16); border-radius: var(--r); overflow: hidden;
}
.stats__it { padding: 18px 20px; border-right: 1px solid rgba(238, 243, 242, .14); }
.stats__it:last-child { border-right: 0; }
.stats__n {
  display: flex; align-items: baseline; gap: 4px;
  font-family: var(--mono); font-size: 30px; font-weight: 700; line-height: 1.1; color: #fff;
}
.stats__u { font-size: 14px; color: var(--on-dark-accent); font-weight: 400; }
.stats__t { display: block; margin-top: 6px; font-size: 13px; color: var(--on-dark-2); }

/* ---------------------------------------------------------------- 7. 区块与剖面标尺 */
.sec { padding-block: 70px; }
.sec--paper2 { background: var(--paper-2); }
.sec--dark { background: var(--shell); color: var(--on-dark); }
.sec--cat { scroll-margin-top: 84px; }
.sec--catnav { padding-block: 34px 8px; }
.sec--links { padding-block: 34px; background: var(--card); border-top: 1px solid var(--line); }

.sechead { margin-bottom: 34px; }
.sechead__bar { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; }
.sechead__no {
  font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: .04em;
  color: var(--brand-d); padding: 2px 9px; border: 1px solid var(--brand); border-radius: 3px;
  background: var(--brand-l);
}
.sechead__kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em; color: var(--ink-3);
  text-transform: uppercase;
}
.sechead__title { font-size: clamp(22px, 2.2vw, 30px); font-weight: 800; line-height: 1.3; color: var(--ink); }
.sechead__more {
  display: inline-flex; align-items: center; gap: 6px; margin-left: auto;
  font-size: 14px; font-weight: 700; color: var(--brand-d); white-space: nowrap;
}
.sechead__more .i { width: 15px; height: 15px; transition: transform .18s ease; }
.sechead__more:hover .i { transform: translateX(3px); }
.sechead__desc { margin-top: 10px; font-size: 15px; color: var(--ink-2); max-width: 60em; }
.sechead__title[id] { scroll-margin-top: 84px; }

/* 剖面标尺：等距刻度线（纯元素绘制，不用背景图） */
.ruler { display: flex; justify-content: space-between; align-items: flex-start; height: 13px; border-top: 1px solid var(--line); margin-top: 16px; }
.ruler > i { display: block; width: 1px; height: 5px; background: var(--line); }
.ruler > i:nth-child(4n + 1) { height: 12px; background: var(--ink-3); }

.sec--dark .sechead__title { color: #fff; }
.sec--dark .sechead__kicker { color: var(--on-dark-teal); }
.sec--dark .sechead__desc { color: var(--on-dark-2); }
.sec--dark .sechead__more { color: var(--on-dark-accent); }
.sec--dark .sechead__no { color: var(--on-dark-accent); border-color: rgba(242, 137, 76, .5); background: transparent; }
.sec--dark .ruler { border-top-color: rgba(238, 243, 242, .2); }
.sec--dark .ruler > i { background: rgba(238, 243, 242, .2); }
.sec--dark .ruler > i:nth-child(4n + 1) { background: rgba(238, 243, 242, .45); }

/* ---------------------------------------------------------------- 8. 公司简介 */
.about__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 46px; align-items: start; }
.about__txt { min-width: 0; }
.about__lead { font-size: 17px; font-weight: 700; line-height: 1.8; color: var(--ink); }
.about__p { margin-top: 14px; color: var(--ink-2); }
.about__facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; margin-top: 22px; }
.about__fact { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 700; color: var(--ink); }
.about__fact .i { width: 16px; height: 16px; color: var(--teal); }
.about__grid .btn { margin-top: 24px; }
.about__aside { border: 1px solid var(--line); background: var(--card); border-radius: var(--r); padding: 22px; }
.about__at {
  font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: var(--ink-3);
  padding-bottom: 12px; border-bottom: 1px solid var(--line-2);
}
.infotable { margin-top: 4px; }
.infotable__it { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-2); }
.infotable__it:last-child { border-bottom: 0; }
.infotable__k { font-size: 13.5px; color: var(--ink-3); }
.infotable__v { font-size: 14px; color: var(--ink); font-weight: 600; }
.about__note {
  display: flex; align-items: flex-start; gap: 8px; margin-top: 14px; padding: 12px 14px;
  background: var(--teal-l); border-radius: var(--r-s); font-size: 13.5px; color: var(--ink-2);
}
.about__note .i { width: 16px; height: 16px; color: var(--teal); margin-top: 2px; }

/* ---------------------------------------------------------------- 9. 公司优势 */
.advgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.adv {
  background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--brand);
  border-radius: var(--r); padding: 22px 20px;
}
.adv__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.adv__i { width: 26px; height: 26px; color: var(--teal); }
.adv__en { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--ink-3); }
.adv__t { margin-top: 14px; font-size: 17px; font-weight: 800; color: var(--ink); }
.adv__d { margin-top: 9px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }

/* ---------------------------------------------------------------- 10. 分类卡 */
.catgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ccard { height: 100%; }
.ccard__link {
  position: relative; display: block; height: 100%; padding: 24px 22px 22px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  color: var(--ink);
}
.ccard__top { display: flex; align-items: center; justify-content: space-between; }
.ccard__no { font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--ink-3); letter-spacing: .06em; }
.ccard__icon { width: 30px; height: 30px; color: var(--brand); }
.ccard__t { display: block; margin-top: 16px; font-size: 19px; font-weight: 800; color: var(--ink); }
.ccard__en { display: block; margin-top: 4px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--ink-3); }
.ccard__d { display: block; margin-top: 12px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.ccard__foot { display: flex; align-items: baseline; gap: 6px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line-2); }
.ccard__n { font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--brand-d); }
.ccard__u { font-size: 13px; color: var(--ink-3); }
.ccard__go { width: 16px; height: 16px; margin-left: auto; color: var(--ink-3); }
.ccard__bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .24s ease; }
.ccard__link:hover { border-color: var(--brand); }
.ccard__link:hover .ccard__bar { transform: scaleX(1); }

/* ---------------------------------------------------------------- 11. 产品卡 */
.pgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.pcard { height: 100%; }
.pcard__link {
  display: flex; flex-direction: column; height: 100%;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden;
  color: var(--ink);
}
.pcard__link:hover { border-color: var(--brand); }
.pcard__media { position: relative; display: block; background: var(--paper-2); border-bottom: 1px solid var(--line-2); }
.pcard__img { width: 100%; height: auto; }
.pcard__code {
  position: absolute; left: 0; top: 0; padding: 5px 12px; background: var(--shell); color: #fff;
  font-family: var(--mono); font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
  border-radius: 0 0 var(--r-s) 0;
}
.pcard__body { display: flex; flex-direction: column; flex: 1; padding: 18px 18px 20px; }
.pcard__t { font-size: 18px; font-weight: 800; color: var(--ink); }
.pcard__en { display: block; margin-top: 3px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--ink-3); }
.pcard__d { display: block; margin-top: 10px; font-size: 14px; line-height: 1.75; color: var(--ink-2); }
.pcard__specs { display: block; margin-top: 14px; border-top: 1px solid var(--line-2); }
.pcard__spec { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line-2); }
.pcard__spec-k { font-size: 13px; color: var(--ink-3); }
.pcard__spec-v { font-family: var(--mono); font-size: 12.5px; color: var(--ink); }
.pcard__more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 16px;
  font-size: 14px; font-weight: 700; color: var(--brand-d);
}
.pcard__more .i { width: 15px; height: 15px; }
.catmore { margin-top: 28px; text-align: center; }

.pspec { border-top: 1px solid var(--line-2); }
.pspec__it { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line-2); }
.pspec__k { font-size: 13px; color: var(--ink-3); }
.pspec__v { font-family: var(--mono); font-size: 12.5px; color: var(--ink); }

/* ---------------------------------------------------------------- 12. 管段节点流程 */
.flowline { display: flex; flex-wrap: wrap; border-top: 1px solid var(--line); }
.flowline__it { position: relative; flex: 1 1 210px; min-width: 0; padding: 30px 24px 0 0; margin-bottom: 24px; }
.flowline__node { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--brand); }
.flowline__it::after { content: ""; position: absolute; top: -2px; left: 0; width: 46px; height: 5px; background: var(--brand); opacity: .18; }
.flowline__no { display: block; font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink-3); letter-spacing: .08em; }
.flowline__ic { display: inline-flex; margin-top: 10px; color: var(--teal); }
.flowline__ic .i { width: 24px; height: 24px; }
.flowline__t { margin-top: 10px; font-size: 17px; font-weight: 800; color: var(--ink); }
.flowline__d { margin-top: 8px; font-size: 14px; line-height: 1.78; color: var(--ink-2); }
.flowline__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.flowline__tag {
  padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 12.5px; color: var(--ink-2); background: var(--card);
}

/* ---------------------------------------------------------------- 13. 文章列表 */
.featrow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.wcard { height: 100%; }
.wcard__link {
  display: flex; flex-direction: column; height: 100%;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; color: var(--ink);
}
.wcard__link:hover { border-color: var(--brand); }
.wcard__media { display: block; border-bottom: 1px solid var(--line-2); }
.wcard__img { width: 100%; height: auto; }
.wcard__body { display: flex; flex-direction: column; flex: 1; padding: 18px; }
.wcard__tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.wcard__cat { font-size: 12.5px; font-weight: 700; color: var(--brand-d); }
.wcard__top { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--ink-3); }
.wcard__top .i { width: 13px; height: 13px; color: var(--brand); }
.wcard__t { display: block; margin-top: 10px; font-size: 16.5px; font-weight: 800; line-height: 1.55; color: var(--ink); }
.wcard__ex { display: block; margin-top: 9px; font-size: 13.5px; line-height: 1.72; color: var(--ink-2);
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }
.wcard__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: auto; padding-top: 14px; font-size: 12.5px; color: var(--ink-3); }
.wcard__meta .i { width: 14px; height: 14px; }
.wcard__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--line); }

.postrow__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin: 40px 0 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.postrow__t { font-size: 19px; font-weight: 800; color: var(--ink); }
.postrow__d { font-size: 14px; color: var(--ink-2); }

.duogrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 42px; }
.duo { border-bottom: 1px solid var(--line-2); }
.duo__link { display: block; padding: 18px 0; color: var(--ink); }
.duo__head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.duo__no { font-family: var(--mono); font-size: 18px; font-weight: 700; color: var(--ink-3); }
.duo__cat { font-size: 12.5px; font-weight: 700; color: var(--teal); }
.duo__d { margin-left: auto; font-size: 12.5px; color: var(--ink-3); }
.duo__t { display: block; margin-top: 8px; font-size: 16px; font-weight: 700; line-height: 1.6; color: var(--ink); }
.duo__link:hover .duo__t { color: var(--brand-d); }
.duo__ex { display: block; margin-top: 7px; font-size: 13.5px; line-height: 1.7; color: var(--ink-2);
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

.trigrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 34px; }
.tri { border-top: 2px solid var(--line); }
.tri__link { display: block; padding: 16px 0 18px; color: var(--ink); }
.tri__no { display: block; font-family: var(--mono); font-size: 18px; font-weight: 700; color: var(--ink-3); }
.tri__cat { display: block; margin-top: 6px; font-size: 12.5px; font-weight: 700; color: var(--teal); }
.tri__t { display: block; margin-top: 8px; font-size: 15.5px; font-weight: 700; line-height: 1.6; color: var(--ink); }
.tri__link:hover .tri__t { color: var(--brand-d); }
.tri__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 12px; font-size: 12.5px; color: var(--ink-3); }
.tri__meta .i { width: 13px; height: 13px; }
.tri__d { font-family: var(--mono); white-space: nowrap; }
.tri__r { display: inline-flex; align-items: center; gap: 4px; }

/* ---------------------------------------------------------------- 14. 深色咨询区与表单 */
.consult__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 52px; align-items: start; }
.consult__kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .18em; color: var(--on-dark-teal); }
.consult__title { margin-top: 14px; font-size: clamp(23px, 2.4vw, 32px); font-weight: 800; line-height: 1.36; color: #fff; }
.consult__d { margin-top: 16px; font-size: 15px; line-height: 1.85; color: var(--on-dark-2); max-width: 34em; }
.consult__list { margin-top: 26px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.consult__txt { min-width: 0; }
.consult__it { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.consult__it .i { width: 17px; height: 17px; color: var(--on-dark-accent); }
.consult__k { font-size: 13.5px; color: var(--on-dark-2); min-width: 68px; }
.consult__v { font-family: var(--mono); font-size: 15px; color: var(--on-dark); }
a.consult__v:hover { color: var(--on-dark-accent); }

.formcard { background: var(--card); color: var(--ink); border-radius: var(--r); padding: 26px 24px; }
.formcard__head { padding-bottom: 16px; border-bottom: 1px solid var(--line-2); }
.formcard__title { font-size: 20px; font-weight: 800; color: var(--ink); }
.formcard__sub { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.formcard__alert { display: none; margin-top: 16px; padding: 11px 14px; border-radius: var(--r-s); font-size: 14px; font-weight: 600; }
.formcard__alert.is-on { display: block; }
.formcard__alert.is-err { background: #fbe9e2; color: #8f3208; border: 1px solid #e9c0ac; }
.formcard__alert.is-ok { background: #e3f1ef; color: #0a5456; border: 1px solid #b6ddd9; }
.sec--dark .formcard, .sec--dark .formcard h1, .sec--dark .formcard h2, .sec--dark .formcard h3, .sec--dark .formcard h4 { color: var(--ink); }

.form { margin-top: 18px; }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
/* 电话字段：区号下拉与号码输入同高（select 与 input 的内边距不同，这里拉平） */
.field--tel .field__tel { align-items: stretch; }
.field__label { font-size: 13.5px; font-weight: 700; color: var(--ink-2); }
.field__req { color: var(--brand-d); }
.field__ctl {
  width: 100%; padding: 11px 13px; font: inherit; font-size: 14.5px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-s);
}
.field__ctl::placeholder { color: var(--ink-3); }
.field__ctl:focus { outline: 2px solid var(--brand); outline-offset: 1px; background: var(--card); }
.field__ctl--area { resize: vertical; min-height: 104px; line-height: 1.7; }
.field__tel { display: flex; gap: 8px; min-width: 0; }
.field__cc {
  flex: 0 0 auto; width: 118px; padding: 11px 10px; font: inherit; font-size: 13.5px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-s);
}
.field__cc:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.field__ctl--tel { flex: 1 1 auto; min-width: 0; font-family: var(--mono); }
.field__hint { font-size: 12px; color: var(--ink-3); }
.field.is-invalid .field__ctl, .field.is-invalid .field__cc { border-color: #b53b12; background: #fdf1eb; }
.field.is-invalid .field__label { color: #b53b12; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.form__foot .btn { margin-left: auto; }
.form__foot .btn[disabled] { opacity: .6; cursor: not-allowed; }
.agree { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--ink-2); min-width: 0; }
.agree__box { flex: 0 0 auto; width: 17px; height: 17px; margin: 4px 0 0; accent-color: var(--brand); }
.agree.is-invalid .agree__t { color: #b53b12; }

/* ---------------------------------------------------------------- 15. 资质 */
.certgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.cert {
  display: flex; flex-direction: column; gap: 10px; padding: 20px 18px;
  background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--teal); border-radius: var(--r-s);
}
.cert__i { width: 24px; height: 24px; color: var(--teal); }
.cert__no { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink-3); }
.cert__t { font-size: 15px; font-weight: 700; line-height: 1.6; color: var(--ink); }
.cert__y { margin-top: auto; padding-top: 8px; font-size: 12.5px; color: var(--ink-3); }

/* ---------------------------------------------------------------- 16. 问答 */
.faqgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 40px; }
.faqgrid--one { grid-template-columns: minmax(0, 1fr); }
.faq { border-bottom: 1px solid var(--line); }
.faq__q { display: flex; align-items: flex-start; gap: 11px; padding: 17px 0; cursor: pointer; list-style: none; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q::marker { content: ""; }
.faq__i { width: 18px; height: 18px; margin-top: 4px; color: var(--brand); transition: transform .2s ease; }
.faq[open] .faq__i { transform: rotate(180deg); }
.faq__qt { font-size: 15.5px; font-weight: 700; line-height: 1.65; color: var(--ink); }
.faq[open] .faq__qt { color: var(--brand-d); }
.faq__body { padding: 0 0 18px 29px; }
.faq__a { font-size: 14.5px; line-height: 1.85; color: var(--ink-2); }

/* ---------------------------------------------------------------- 17. 友链 */
/* 友情链接：单一平铺条（无分组标题）——标题在左，链接列在右，窄屏自动上下堆叠 */
.links { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px 36px; align-items: baseline; }
.links__title { display: flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 800; color: var(--ink); white-space: nowrap; }
.links__title .i { width: 18px; height: 18px; color: var(--brand); }
.links__grid { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; min-width: 0; }
.links__it { min-width: 0; }
.links__link { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--ink-2); }
.links__link::before { content: ""; flex: none; width: 5px; height: 5px; background: var(--brand); }
.links__link:hover { color: var(--brand-d); }

/* ---------------------------------------------------------------- 18. 页脚 */
.site-footer { background: var(--shell); color: var(--on-dark-2); }
.foot-main { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, .9fr)); gap: 40px; padding-block: 52px 44px; }
.foot__logo { display: flex; align-items: center; gap: 10px; color: var(--on-dark); }
.foot__logo img { width: 40px; height: 40px; border-radius: var(--r-s); }
.foot__name { font-size: 17px; font-weight: 800; color: #fff; }
.foot__en { margin-top: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--on-dark-2); line-height: 1.7; }
.foot__d { margin-top: 12px; font-size: 13.5px; line-height: 1.8; color: var(--on-dark-2); max-width: 28em; }
.foot__meta { margin-top: 16px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 9px; }
.foot__mi { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--on-dark); }
.foot__mi .i { width: 15px; height: 15px; margin-top: 3px; color: var(--on-dark-accent); }
.foot__a { color: var(--on-dark); font-family: var(--mono); font-size: 13px; }
a.foot__a:hover { color: var(--on-dark-accent); }
.foot__gt { font-size: 15px; font-weight: 800; color: #fff; padding-bottom: 12px; border-bottom: 1px solid rgba(238, 243, 242, .18); }
.foot__grp { min-width: 0; }
.foot__list { margin-top: 14px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.foot__it { min-width: 0; }
.foot__link { font-size: 13.5px; color: var(--on-dark-2); }
.foot__link:hover { color: var(--on-dark-accent); }
.foot-bottom { border-top: 1px solid rgba(238, 243, 242, .16); }
.foot-bottom__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding-block: 18px; }
.foot-bottom__c { font-size: 13px; color: var(--on-dark-2); }
.foot-bottom__l { display: flex; align-items: center; gap: 10px; margin-left: auto; font-size: 13px; }
.foot-bottom__a { color: var(--on-dark-2); }
.foot-bottom__a:hover { color: var(--on-dark-accent); }
.foot-bottom__s { color: rgba(238, 243, 242, .3); }

/* ---------------------------------------------------------------- 19. 移动底栏 */
.mobile-bar { display: none; }
.mobile-bar__it {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  padding: 9px 4px; color: var(--ink-2); font-size: 11.5px; border-right: 1px solid var(--line-2);
}
.mobile-bar__it:last-child { border-right: 0; }
.mobile-bar__it .i { width: 19px; height: 19px; }
.mobile-bar__t { font-size: 11.5px; line-height: 1.2; white-space: nowrap; }
.mobile-bar__it--cta { background: var(--brand); color: #fff; }
.mobile-bar__it--cta:hover { color: #fff; }

/* ---------------------------------------------------------------- 20. 内页 banner 与面包屑 */
.pbanner { position: relative; background: var(--shell); color: var(--on-dark); overflow: hidden; }
.pbanner__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pbanner__inner { position: relative; padding-block: 46px 42px; }
.pbanner__kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: var(--on-dark-teal); }
.pbanner__title { margin-top: 10px; font-size: clamp(25px, 2.8vw, 36px); font-weight: 800; line-height: 1.3; color: #fff; }
.pbanner__desc { margin-top: 12px; font-size: 15px; color: var(--on-dark-2); max-width: 52em; }
.pbanner__rows { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 20px; }
.pbanner__row { display: flex; align-items: baseline; gap: 9px; }
.pbanner__rn { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--on-dark-2); }
.pbanner__rt { font-size: 14.5px; font-weight: 700; color: var(--on-dark-accent); }

.crumb { background: var(--card); border-bottom: 1px solid var(--line); }
.crumb__inner { padding-block: 12px; }
.crumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
.crumb__it { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-3); min-width: 0; }
.crumb__link { display: inline-flex; align-items: center; gap: 5px; color: var(--ink-2); }
.crumb__link:hover { color: var(--brand-d); }
.crumb__link .i { width: 14px; height: 14px; }
.crumb__sep { width: 12px; height: 12px; color: var(--ink-3); }
.crumb__cur { color: var(--ink); font-weight: 600; }

/* ---------------------------------------------------------------- 21. 产品中心分类导航 */
.catnav__grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; align-items: start; }
.catnav { border: 1px solid var(--line); background: var(--card); border-radius: var(--r); padding: 6px 0; }
.catnav__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.catnav__it { min-width: 0; }
.catnav__link {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px; color: var(--ink);
  border-right: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2);
}
.catnav__list > li:nth-child(3n) .catnav__link { border-right: 0; }
.catnav__list > li:nth-last-child(-n + 3) .catnav__link { border-bottom: 0; }
.catnav__link:hover { background: var(--paper); }
.catnav__no { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink-3); }
.catnav__t { font-size: 15px; font-weight: 700; }
.catnav__n { margin-left: auto; font-family: var(--mono); font-size: 13px; color: var(--brand-d); }

/* ---------------------------------------------------------------- 22. 产品详情 */
.pdetail__layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; align-items: start; }
.pdetail__main { min-width: 0; }
.phead { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 30px; align-items: start; }
.phead__media { position: relative; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper-2); }
.phead__img { width: 100%; height: auto; }
.phead__code {
  position: absolute; left: 0; top: 0; padding: 6px 14px; background: var(--brand); color: #fff;
  font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: .08em;
}
.phead__cat { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--ink-3); }
.phead__cat .i { width: 15px; height: 15px; color: var(--teal); }
.phead__catlink { font-weight: 700; color: var(--teal); }
.phead__t { margin-top: 10px; font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; line-height: 1.3; color: var(--ink); }
.phead__txt { min-width: 0; }
.phead__en { margin-top: 6px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; color: var(--ink-3); }
.phead__d { margin-top: 16px; font-size: 15.5px; line-height: 1.85; color: var(--ink-2); }
.phead__acts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.pblock { margin-top: 40px; }
.pblock__t { font-size: 20px; font-weight: 800; color: var(--ink); padding-left: 13px; border-left: 4px solid var(--brand); line-height: 1.4; }
.pblock__note { margin-top: 12px; font-size: 13px; color: var(--ink-3); }
.pfeat { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; margin-top: 18px; }
.pfeat__it { display: flex; align-items: flex-start; gap: 9px; font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }
.pfeat__it .i { width: 16px; height: 16px; margin-top: 4px; color: var(--teal); }
.psteps { margin-top: 18px; }
.psteps__it { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.psteps__it:last-child { border-bottom: 0; }
.psteps__no { flex: 0 0 auto; font-family: var(--mono); font-size: 18px; font-weight: 700; color: var(--ink-3); }
.psteps__body { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.psteps__t { font-size: 15.5px; font-weight: 700; color: var(--ink); }
.psteps__d { font-size: 14px; line-height: 1.75; color: var(--ink-2); }

/* ---------------------------------------------------------------- 23. 侧栏与 widget */
.side-rail { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.widget { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.widget__t {
  font-size: 16px; font-weight: 800; color: var(--ink); padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2); display: flex; align-items: center; gap: 8px;
}
.widget__t::before { content: ""; width: 4px; height: 16px; background: var(--brand); border-radius: 1px; }
.widget__body { margin-top: 14px; }
.widget__more { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 13.5px; font-weight: 700; color: var(--brand-d); }
.widget__more .i { width: 14px; height: 14px; }

/* 全部 widget 的列表基座：单列纵向堆叠，条目自带分隔线与内边距 */
.wcatnav__list, .whot__list, .wcon__list, .wcert__list, .wsame__list,
.wpromise__list, .wcalc__list, .wsib__list { display: grid; grid-template-columns: minmax(0, 1fr); }

.wcatnav__it { border-bottom: 1px solid var(--line-2); }
.wcatnav__it:last-child { border-bottom: 0; }
.wcatnav__link { display: flex; align-items: center; gap: 10px; padding: 10px 0; color: var(--ink); }
.wcatnav__link:hover { color: var(--brand-d); }
.wcatnav__no { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.wcatnav__t { font-size: 14.5px; font-weight: 600; }
.wcatnav__n { margin-left: auto; font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); }
.wcatnav__it.is-cur .wcatnav__t { color: var(--brand-d); }

.whot__it { border-bottom: 1px solid var(--line-2); }
.whot__it:last-child { border-bottom: 0; }
.whot__link { display: flex; gap: 12px; padding: 11px 0; color: var(--ink); }
.whot__no { font-family: var(--mono); font-size: 15px; font-weight: 700; color: var(--ink-3); flex: 0 0 auto; }
.whot__no.is-top { color: var(--brand-d); }
.whot__body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.whot__t { font-size: 14px; line-height: 1.6; font-weight: 600; color: var(--ink); }
.whot__link:hover .whot__t { color: var(--brand-d); }
.whot__meta { font-size: 12px; color: var(--ink-3); }

.wcon__it { display: grid; grid-template-columns: 20px 62px minmax(0, 1fr); gap: 9px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid var(--line-2); }
.wcon__it .i { width: 16px; height: 16px; color: var(--teal); }
.wcon__k { font-size: 13px; color: var(--ink-3); }
.wcon__v { font-size: 13.5px; color: var(--ink); font-weight: 600; }
.wcon__btn { margin-top: 16px; width: 100%; justify-content: center; }

.wcert__it { display: flex; align-items: flex-start; gap: 9px; padding: 8px 0; border-bottom: 1px solid var(--line-2); }
.wcert__it:last-child { border-bottom: 0; }
.wcert__it .i { width: 15px; height: 15px; margin-top: 4px; color: var(--teal); }
.wcert__t { font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }

.wtag__list { display: flex; flex-wrap: wrap; gap: 8px; }
.wtag__it { min-width: 0; }
.wtag__link {
  display: block; padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--paper); font-size: 13px; color: var(--ink-2);
}
.wtag__link:hover { border-color: var(--brand); color: var(--brand-d); }

.wfaq__it { border-bottom: 1px solid var(--line-2); }
.wfaq__it:last-child { border-bottom: 0; }
.wfaq__q { display: flex; align-items: flex-start; gap: 9px; padding: 11px 0; cursor: pointer; list-style: none; }
.wfaq__q::-webkit-details-marker { display: none; }
.wfaq__q::marker { content: ""; }
.wfaq__i { width: 15px; height: 15px; margin-top: 4px; color: var(--brand); transition: transform .2s ease; }
.wfaq__it[open] .wfaq__i { transform: rotate(180deg); }
.wfaq__qt { font-size: 14px; font-weight: 600; line-height: 1.65; color: var(--ink); }
.wfaq__a { padding: 0 0 13px 24px; font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }

.wsame__it { border-bottom: 1px solid var(--line-2); }
.wsame__it:last-child { border-bottom: 0; }
.wsame__link { display: flex; flex-direction: column; gap: 5px; padding: 11px 0; color: var(--ink); }
.wsame__t { font-size: 14px; font-weight: 600; line-height: 1.6; }
.wsame__link:hover .wsame__t { color: var(--brand-d); }
.wsame__d { font-size: 12px; color: var(--ink-3); }

.wpromise__it { display: flex; align-items: flex-start; gap: 9px; padding: 9px 0; border-bottom: 1px solid var(--line-2); }
.wpromise__it:last-child { border-bottom: 0; }
.wpromise__it .i { width: 15px; height: 15px; margin-top: 4px; color: var(--teal); }
.wpromise__t { font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }

.wnotice__p { font-size: 13.5px; line-height: 1.85; color: var(--ink-2); }
.wnotice__meta { margin-top: 10px; font-size: 12.5px; color: var(--ink-3); }

.wcalc__it { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line-2); }
.wcalc__k { font-size: 13.5px; color: var(--ink-2); }
.wcalc__v { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.wcalc__note { margin-top: 12px; font-size: 12.5px; line-height: 1.75; color: var(--ink-3); }

.wsib__it { border-bottom: 1px solid var(--line-2); }
.wsib__it:last-child { border-bottom: 0; }
.wsib__link { display: flex; align-items: baseline; gap: 10px; padding: 10px 0; color: var(--ink); }
.wsib__link:hover .wsib__t { color: var(--brand-d); }
.wsib__code { font-family: var(--mono); font-size: 12px; color: var(--brand-d); flex: 0 0 auto; }
.wsib__t { font-size: 14px; font-weight: 600; }

/* ---------------------------------------------------------------- 24. 文章页 */
.art-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; align-items: start; }
.art-main { min-width: 0; }
.art-head__cat { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--ink-3); }
.art-head__cat .i { width: 15px; height: 15px; color: var(--teal); }
.art-head__catlink { font-weight: 700; color: var(--teal); }
.art-head__t { margin-top: 12px; font-size: clamp(23px, 2.5vw, 33px); font-weight: 800; line-height: 1.4; color: var(--ink); }
.art-head__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.art-head__mi { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-3); }
.art-head__mi .i { width: 14px; height: 14px; }

.art-lede {
  margin-top: 22px; padding: 18px 20px; background: var(--teal-l); border-left: 4px solid var(--teal);
  border-radius: 0 var(--r-s) var(--r-s) 0; font-size: 15.5px; line-height: 1.85; color: var(--ink);
}
/* 正文与主栏同宽：原先写了 max-width:44em（=704px），比标题区/导语/标签区（856px）窄 152px，
   右边缘参差；两栏形态下必须铺满主栏轨道，是否收窄由 .art-layout 的列宽统一决定。 */
.art-body { margin-top: 26px; }
.art-body p { margin: 16px 0; font-size: 16px; line-height: 1.95; color: var(--ink-2); }
.art-body strong { color: var(--ink); }
.art-h2 {
  margin: 34px 0 14px; padding-left: 13px; border-left: 4px solid var(--brand);
  font-size: 21px; font-weight: 800; line-height: 1.45; color: var(--ink); scroll-margin-top: 88px;
}
.art-h3 { margin: 26px 0 10px; font-size: 17.5px; font-weight: 800; color: var(--ink); }
.art-ul { margin: 16px 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.art-ul > li {
  position: relative; padding-left: 18px; font-size: 15.5px; line-height: 1.9; color: var(--ink-2);
}
.art-ul > li::before {
  content: ""; position: absolute; left: 2px; top: .78em; width: 6px; height: 6px;
  background: var(--brand); border-radius: 1px;
}
.art-quote {
  margin: 24px 0; padding: 18px 22px; background: var(--card); border: 1px solid var(--line);
  border-left: 4px solid var(--brand); border-radius: 0 var(--r-s) var(--r-s) 0;
  font-size: 15.5px; line-height: 1.9; color: var(--ink);
}
.art-tip {
  display: flex; align-items: flex-start; gap: 11px; margin: 24px 0; padding: 16px 18px;
  background: var(--brand-l); border-radius: var(--r-s);
}
.art-tip .i { width: 18px; height: 18px; margin-top: 4px; color: var(--brand-d); }
.art-tip p { margin: 0; font-size: 15px; line-height: 1.85; color: var(--ink); }

.art-table { margin: 22px 0; border: 1px solid var(--line); border-radius: var(--r-s); overflow-x: auto; }
.art-table table { min-width: 520px; }
.art-table th, .art-table td { padding: 12px 15px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line-2); }
.art-table th { background: var(--shell); color: #fff; font-weight: 700; white-space: nowrap; }
.art-table td { color: var(--ink-2); }
.art-table tbody tr:last-child td { border-bottom: 0; }
.art-table tbody tr:nth-child(even) td { background: var(--paper); }

.art-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.art-tags__it { min-width: 0; }
.art-tags__link {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 13px; border: 1px solid var(--line);
  border-radius: 999px; font-size: 13px; color: var(--ink-2); background: var(--card);
}
.art-tags__link .i { width: 13px; height: 13px; color: var(--teal); }
.art-tags__link:hover { border-color: var(--brand); color: var(--brand-d); }
.art-note {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 24px; padding: 14px 16px;
  background: var(--paper-2); border-radius: var(--r-s); font-size: 13px; line-height: 1.8; color: var(--ink-2);
}
.art-note .i { width: 16px; height: 16px; margin-top: 3px; color: var(--ink-3); }

.toc__it { border-bottom: 1px solid var(--line-2); }
.toc__it:last-child { border-bottom: 0; }
.toc__list { display: grid; grid-template-columns: minmax(0, 1fr); }
.wtoc { scroll-margin-top: 88px; }
.toc__link { display: flex; gap: 10px; padding: 9px 0; font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }
.toc__t { flex: 1 1 auto; min-width: 0; }
.toc__no { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); flex: 0 0 auto; }
.toc__link:hover, .toc__link.is-on { color: var(--brand-d); }
.toc__link.is-on .toc__no { color: var(--brand-d); }

.art-more__col { margin-bottom: 40px; }
.art-more__col:last-of-type { margin-bottom: 28px; }
.prevnext { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding-top: 8px; }
.prevnext__it { min-width: 0; padding: 18px 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); }
/* 方向提示：上一篇的强调边在左侧、下一篇在右侧，与箭头指向一致 */
.prevnext__it--prev { border-left: 3px solid var(--brand); }
.prevnext__it--next { text-align: right; border-right: 3px solid var(--brand); }
.prevnext__k { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-3); }
.prevnext__it--next .prevnext__k { justify-content: flex-end; }
.prevnext__k .i { width: 14px; height: 14px; }
.prevnext__link { display: block; margin-top: 9px; color: var(--ink); }
.prevnext__t { font-size: 15.5px; font-weight: 700; line-height: 1.6; }
.prevnext__link:hover .prevnext__t { color: var(--brand-d); }
.prevnext__none { margin-top: 9px; font-size: 14px; color: var(--ink-3); }

/* ---------------------------------------------------------------- 25. 企业简介页 / 案例页 / 联系页 */
.intro__grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 46px; align-items: start; }
.intro__lead { font-size: 17px; font-weight: 700; line-height: 1.85; color: var(--ink); }
.intro__txt p { margin-top: 14px; color: var(--ink-2); }
.intro__h3 { margin-top: 26px; font-size: 18px; font-weight: 800; color: var(--ink); }
.intro__list { margin-top: 14px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.intro__it { display: flex; align-items: flex-start; gap: 9px; font-size: 15px; line-height: 1.8; color: var(--ink-2); }
.intro__it .i { width: 16px; height: 16px; margin-top: 5px; color: var(--teal); }
.intro__side { border: 1px solid var(--line); background: var(--card); border-radius: var(--r); padding: 22px; }
.intro__st { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: var(--ink-3); padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.intro__btn { margin-top: 18px; width: 100%; justify-content: center; }

.culturegrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.culture { padding: 20px; background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--teal); border-radius: var(--r-s); }
.culture__t { font-size: 13.5px; color: var(--ink-3); }
.culture__v { margin-top: 9px; font-size: 16px; font-weight: 800; line-height: 1.6; color: var(--ink); }
.quote-band {
  display: flex; align-items: center; gap: 18px; margin-top: 26px; padding: 22px 26px;
  background: var(--card); border: 1px dashed var(--line); border-radius: var(--r);
}
.quote-band__mark { width: 34px; height: 34px; color: var(--brand); }
.quote-band__t { font-size: 17px; font-weight: 700; line-height: 1.7; color: var(--ink); }

.history { margin-top: 8px; }
.history__it { display: grid; grid-template-columns: 78px 20px minmax(0, 1fr); gap: 0 18px; padding-bottom: 24px; }
.history__body { min-width: 0; }
.history__y { font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--brand-d); padding-top: 2px; }
.history__dot { position: relative; }
.history__dot::before { content: ""; position: absolute; left: 6px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--brand); }
.history__dot::after { content: ""; position: absolute; left: 10px; top: 20px; bottom: -24px; width: 1px; background: var(--line); }
.history__it:last-child .history__dot::after { display: none; }
.history__t { font-size: 17px; font-weight: 800; color: var(--ink); }
.history__d { margin-top: 7px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }

.casegrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.casec {
  display: flex; flex-direction: column; padding: 24px 22px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); scroll-margin-top: 84px;
}
.casec__head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.casec__no { font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--ink-3); }
.casec__i { width: 22px; height: 22px; color: var(--teal); }
.casec__t { font-size: 18px; font-weight: 800; color: var(--ink); }
.casec__en { width: 100%; font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; color: var(--ink-3); }
.casec__d { margin-top: 14px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.casec__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.casec__tag { padding: 4px 11px; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; font-size: 12.5px; color: var(--ink-2); }
.casec__more { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 18px; font-size: 14px; font-weight: 700; color: var(--brand-d); }
.casec__more .i { width: 15px; height: 15px; }

.news__layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; align-items: start; }
.filterbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 22px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.filter { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--card); font-size: 13.5px; color: var(--ink-2);
}
.chip:hover { border-color: var(--brand); color: var(--brand-d); }
.chip.is-on { background: var(--brand); border-color: var(--brand); color: #fff; }
.chip__n { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.chip.is-on .chip__n { color: rgba(255, 255, 255, .78); }
.filter__count { margin-left: auto; font-size: 13px; color: var(--ink-3); }
.filter__empty { margin-top: 24px; padding: 22px; text-align: center; font-size: 14.5px; color: var(--ink-2); background: var(--paper-2); border-radius: var(--r); }

.news__box { margin-bottom: 26px; }
.rowgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.rowline { min-width: 0; }
.rowline__link { display: flex; flex-direction: column; height: 100%; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; color: var(--ink); }
.rowline__link:hover { border-color: var(--brand); }
.rowline__media { display: block; border-bottom: 1px solid var(--line-2); }
.rowline__img { width: 100%; height: auto; }
.rowline__body { display: flex; flex-direction: column; flex: 1; padding: 16px 16px 18px; }
.rowline__tags { display: flex; gap: 8px; }
.rowline__cat { font-size: 12.5px; font-weight: 700; color: var(--brand-d); }
.rowline__t { display: block; margin-top: 9px; font-size: 15.5px; font-weight: 800; line-height: 1.55; color: var(--ink); }
.rowline__ex { display: block; margin-top: 9px; font-size: 13px; line-height: 1.7; color: var(--ink-2);
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.rowline__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: auto; padding-top: 12px; font-size: 12px; color: var(--ink-3); }
.rowline__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--line); }

.plainlist { margin-top: 26px; border-top: 2px solid var(--line); }
.plain { border-bottom: 1px solid var(--line-2); }
.plain__link { display: grid; gap: 16px; align-items: baseline; padding: 16px 4px; color: var(--ink); }
.plain__no { font-family: var(--mono); font-size: 15px; font-weight: 700; color: var(--ink-3); }
.plain__main { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.plain__t { font-size: 15.5px; font-weight: 700; line-height: 1.6; }
.plain__link:hover .plain__t { color: var(--brand-d); }
.plain__ex { font-size: 13px; line-height: 1.7; color: var(--ink-2);
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; overflow: hidden; }
.plain__cat { font-size: 12.5px; color: var(--teal); }
.plain__d { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); }

.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); }
.pager__info { font-size: 13.5px; color: var(--ink-2); }
.pager__list { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.pager__it { flex: 0 0 auto; }
.pager__link {
  display: inline-flex; align-items: center; gap: 5px; padding: 7px 13px; border: 1px solid var(--line);
  border-radius: var(--r-s); background: var(--card); font-size: 13.5px; color: var(--ink-2);
}
a.pager__link:hover { border-color: var(--brand); color: var(--brand-d); }
.pager__link.is-cur { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }
.pager__link.is-disabled { color: #66706e; background: var(--paper-2); }
.pager__link .i { width: 14px; height: 14px; }

.cinfo { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cinfo__it { display: flex; gap: 16px; padding: 22px; background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--brand); border-radius: var(--r-s); }
.cinfo__ic { flex: 0 0 auto; width: 42px; height: 42px; display: grid; grid-template-columns: minmax(0, 1fr); place-items: center; background: var(--brand-l); border-radius: var(--r-s); }
.cinfo__ic .i { width: 21px; height: 21px; color: var(--brand-d); }
.cinfo__body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cinfo__k { font-size: 13px; color: var(--ink-3); }
.cinfo__v { font-size: 16px; font-weight: 800; line-height: 1.5; color: var(--ink); }
a.cinfo__v:hover { color: var(--brand-d); }
.cinfo__d { font-size: 13px; line-height: 1.7; color: var(--ink-2); }

.locmap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 30px; margin-top: 30px; align-items: start; }
.locmap__fig { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.locmap__svg { width: 100%; height: auto; display: block; }
.locmap__t { font-size: 18px; font-weight: 800; color: var(--ink); }
.locmap__txt { min-width: 0; }
.locmap__list { margin-top: 14px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.locmap__it { display: flex; align-items: flex-start; gap: 9px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.locmap__it .i { width: 15px; height: 15px; margin-top: 5px; color: var(--teal); }
.locmap__btn { margin-top: 18px; }
.contact__layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; align-items: start; }
.contact__main .formcard { margin-top: 0; }

/* ---------------------------------------------------------------- 26. 入场动画（渐进增强） */
.reveal { opacity: 1; transform: none; }
html.js-reveal .reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
html.js-reveal .reveal.is-in { opacity: 1; transform: none; }
html.js-reveal .side-rail, html.js-reveal .side-rail .reveal { opacity: 1; transform: none; transition: none; }
@media print { html.js-reveal .reveal { opacity: 1 !important; transform: none !important; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js-reveal .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* =============================================================== 27. 响应式 */
@media (max-width: 1199px) {
  /* 顶栏地址行最长：834–1199 之间留着会把整条顶栏挤成两行（68px），收起来更整齐。
     ★ 必须带结构前缀：基类有 `.topbar__list > li { display:flex }`（0,1,1），
       裸写 `.topbar__addr{display:none}`（0,1,0）会被它压掉，窄屏根本不隐藏。 */
  .topbar__list > .topbar__addr { display: none; }
  .brand__sub { display: none; }
  .header-main { gap: 10px 18px; }
  .nav__link { padding: 8px 12px; }
  .pgrid, .catgrid, .casegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .certgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foot-main { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 30px; }
}

@media (max-width: 1023px) {
  /* 抽屉导航：汉堡的 order 必须小于 nav 的 order（nav 独占一行时更明显） */
  .header-main { gap: 10px 18px; }
  .brand { order: 1; }
  .header-side { order: 2; }
  .nav-toggle { order: 3; margin-left: auto; }
  .nav { order: 4; }
  /* 无 JS 兜底（只在折叠断点内生效）：导航整体展开可点，汉堡不出现；
     ★ 这条不能放到桌面档，否则 nav 会独占一行把 CTA 顶到第三行（law10 变体）。 */
  .site-header:not(.is-collapsible) .nav { flex: 1 0 100%; }
  .site-header:not(.is-collapsible) .nav__list { flex-wrap: wrap; justify-content: flex-start; }
  .site-header.is-collapsible .nav { width: 100%; }
  .site-header.is-collapsible .nav__list { flex-direction: column; align-items: stretch; padding-bottom: 8px; }
  .nav__link { padding: 12px 4px; border-bottom: 0; border-left: 3px solid transparent; }
  .nav__link.is-cur { border-left-color: var(--brand); border-bottom-color: transparent; padding-left: 10px; }

  body { padding-bottom: 62px; }
  body .mobile-bar {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
    background: var(--card); border-top: 1px solid var(--line);
  }

  .hero__inner { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 48px 40px; }
  .hero__fig { order: 2; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats__it:nth-child(2n) { border-right: 0; }
  .stats__it:nth-child(-n + 2) { border-bottom: 1px solid rgba(238, 243, 242, .14); }

  .sec { padding-block: 52px; }
  .about__grid, .intro__grid, .locmap { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .consult__grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .catnav__grid, .pdetail__layout, .news__layout, .art-layout, .contact__layout { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .catnav__side, .side-rail { display: flex; flex-direction: column; gap: 18px; }
  .phead { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .featrow, .rowgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trigrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
  .advgrid, .casegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cinfo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .culturegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catnav__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catnav__list > li:nth-child(3n) .catnav__link { border-right: 1px solid var(--line-2); }
  .catnav__list > li:nth-child(2n) .catnav__link { border-right: 0; }
  .catnav__list > li:nth-last-child(-n + 2) .catnav__link { border-bottom: 0; }
  .catnav__list > li:nth-child(5) .catnav__link { border-bottom: 0; }
}

@media (max-width: 833px) {
  .topbar__note { display: none; }
  .foot-main { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 24px; }
  .foot__brand { grid-column: 1 / -1; }
  .plain__link { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; }
  .plain__cat, .plain__d { display: none; }
  .prevnext { grid-template-columns: minmax(0, 1fr); }
  .certgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .art-table table { min-width: 0; }
  .art-table thead { display: none; }
  .art-table table, .art-table tbody, .art-table tr, .art-table td { display: block; width: 100%; }
  .art-table tr { border-bottom: 1px solid var(--line); padding: 6px 0; }
  .art-table tr:last-child { border-bottom: 0; }
  .art-table td { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; border-bottom: 0; padding: 7px 14px; font-size: 14px; }
  .art-table td::before { content: attr(data-label); font-size: 13px; color: var(--ink-3); }
  .art-table td:first-child { font-weight: 700; color: var(--ink); }
  .art-table tbody tr:nth-child(even) td { background: transparent; }
}

@media (max-width: 719px) {
  :root { --gut: 16px; }
  .sec { padding-block: 44px; }
  .pgrid, .catgrid, .casegrid, .featrow, .rowgrid, .advgrid, .cinfo, .culturegrid { grid-template-columns: minmax(0, 1fr); }
  .trigrid { grid-template-columns: minmax(0, 1fr); }
  .duogrid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .faqgrid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .links { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .links__grid { gap: 8px 20px; }
  .form__grid { grid-template-columns: minmax(0, 1fr); }
  .pfeat { grid-template-columns: minmax(0, 1fr); }
  .about__facts { grid-template-columns: minmax(0, 1fr); }
  .flowline__it { flex: 1 1 100%; padding-right: 0; }
  .hero__title { font-size: clamp(25px, 7vw, 32px); }
  .sechead__more { margin-left: 0; }
  .sechead__bar { gap: 6px 12px; }
  .history__it { grid-template-columns: 62px 18px minmax(0, 1fr); gap: 0 12px; }
  .history__y { font-size: 17px; }
  .pager__list { margin-left: 0; }
  .foot-bottom__l { margin-left: 0; }
}

@media (max-width: 559px) {
  .header-side { display: none; }
  .topbar__list { gap: 6px 14px; }
  .topbar__k { display: none; }
  /* 320px 下电话 + 邮箱一行放不下（147+154+16 > 288），留电话即可；
     邮箱在页脚与联系页都有入口。★ 同样必须带结构前缀压过 `.topbar__list > li`。 */
  .topbar__list > .topbar__mail { display: none; }
  .brand__name { font-size: 16px; }
  .stats__n { font-size: 24px; }
  .consult__k { min-width: 0; width: 100%; }
  .plain__link { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; }
  .certgrid { grid-template-columns: minmax(0, 1fr); }
  .catnav__list { grid-template-columns: minmax(0, 1fr); }
  .catnav__link { border-right: 0; }
  .catnav__list > li:nth-last-child(-n + 2) .catnav__link { border-bottom: 1px solid var(--line-2); }
  .catnav__list > li:last-child .catnav__link { border-bottom: 0; }
  .art-tip, .art-note { padding: 14px; }
  .art-tip p, .art-ul > li, .art-body p { font-size: 15px; }
}

@media (min-width: 1024px) {
  body .mobile-bar { display: none; }
  body { padding-bottom: 0; }
}

/* ---------------------------------------------------------------- 20. 英文版（/en/）排版微调
   英文站与中文站共用同一套模板，差异只在这里收敛，避免往各组件里插语言分支。 */
/* 拉丁字母优先的字体栈：中文栈首位 PingFang SC / Microsoft YaHei 的拉丁字形偏窄，
   英文正文改用系统 Latin 栈，CJK 留在末尾兜底（备案号、品牌中文名仍会用到）。
   ★ 选择器 html[lang="en"] 特异性 (0,1,1) 高于 :root 的 (0,1,0)，此处覆写必定生效。 */
html[lang="en"] {
  --font: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
/* 拉丁文行高略收（中文 1.75 是按方块字定的，英文会显得散） */
html[lang="en"] body { line-height: 1.68; }
/* 英文标题不吃中文那点正字距，去掉更利落 */
html[lang="en"] .hero__title,
html[lang="en"] .pbanner__title,
html[lang="en"] .sechead__title,
html[lang="en"] .brand__name { letter-spacing: 0; }
/* 英文句子比中文长，按钮与面包屑末项允许在词间断行，不要出横向滚动条 */
html[lang="en"] .btn__t,
html[lang="en"] .crumb__cur { white-space: normal; }
/* 英文没有「字」的概念，正文两端对齐会拉出难看的词间距 */
html[lang="en"] .art-body p,
html[lang="en"] .intro__txt p { text-align: left; }