@charset "utf-8";
/* ==========================================================================
   箱贸通 · 官网样式（standard-static-v2 模板）
   主题色统一取自系统变量 --accent / --bg / --ink / --muted，未覆盖固定品牌色。
   ========================================================================== */

:root {
  --wrap: 1200px;
  --wrap-narrow: 860px;
  --radius: 10px;
  --radius-lg: 18px;
  --line: rgba(16, 24, 40, .12);
  --line-strong: rgba(16, 24, 40, .22);
  --paper: #f5f6f8;
  --ink-strong: #101828;
  --ink-soft: #475467;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-md: 0 12px 28px -12px rgba(16, 24, 40, .22), 0 2px 8px rgba(16, 24, 40, .05);
  --shadow-lg: 0 32px 64px -24px rgba(16, 24, 40, .35);
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--bg, #fff);
  color: var(--ink, #1d2939);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.3; letter-spacing: -.01em; color: var(--ink-strong); }
ul, ol { margin: 0; padding: 0; }
figure { margin: 0; }
button { font: inherit; }

:focus-visible {
  outline: 3px solid var(--accent, #2563eb);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 999;
  padding: 10px 16px; background: var(--ink-strong); color: #fff;
  border-radius: 8px; transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- 布局 ---------- */
.wrap { width: min(100% - 44px, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 44px, var(--wrap-narrow)); margin-inline: auto; }

.section { padding: clamp(56px, 7vw, 104px) 0; }
.section--tight { padding: clamp(40px, 5vw, 72px) 0; }
.section--paper { background: var(--paper); }

/* 仅供读屏软件识别 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 标题组 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent, #2563eb); margin: 0 0 14px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--accent, #2563eb); border-radius: 2px;
}
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 32px; margin-bottom: clamp(28px, 4vw, 52px); }
.section-head h2 { font-size: clamp(26px, 3.2vw, 40px); }
.section-head .lead { margin: 14px 0 0; color: var(--muted, #667085); max-width: 62ch; font-size: 16.5px; }
.section-head__more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--accent, #2563eb); white-space: nowrap; }
.section-head__more:hover { gap: 12px; }
.section-head__more { transition: gap .18s ease; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .16s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent, #2563eb); color: #fff; box-shadow: 0 10px 22px -12px var(--accent, #2563eb); }
.btn--primary:hover { box-shadow: 0 16px 28px -14px var(--accent, #2563eb); }
.btn--ghost { border-color: rgba(255, 255, 255, .42); color: #fff; background: rgba(255, 255, 255, .06); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.btn--outline { border-color: var(--line-strong); color: var(--ink-strong); background: #fff; }
.btn--outline:hover { border-color: var(--accent, #2563eb); color: var(--accent, #2563eb); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 顶部工具条（站点自有，非系统导航） ---------- */
.topbar {
  background: var(--ink-strong); color: rgba(255, 255, 255, .72);
  font-size: 13px; letter-spacing: .01em;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; align-items: center; min-height: 38px; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }
.topbar a:hover { color: rgba(255, 255, 255, .85); }
.topbar__l { display: flex; align-items: center; gap: 10px; }
.topbar__dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent, #2563eb); }

/* ---------- 首屏 ---------- */
.hero { position: relative; isolation: isolate; color: #fff; overflow: hidden; background: #101828; display: flex; align-items: center; min-height: clamp(540px, 76vh, 760px); }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 48%; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(9, 14, 24, .78) 0%, rgba(9, 14, 24, .46) 38%, rgba(9, 14, 24, .88) 100%),
    linear-gradient(96deg, rgba(9, 14, 24, .82) 0%, rgba(9, 14, 24, .18) 68%);
}
.hero__inner {
  padding: clamp(64px, 11vw, 132px) 0 clamp(34px, 5vw, 54px);
  max-width: 780px;
}
.hero__brand {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255, 255, 255, .8); margin: 0 0 20px;
}
.hero__brand span.pill {
  padding: 5px 11px; border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px;
  font-size: 11.5px; letter-spacing: .1em;
}
.hero h1 {
  color: #fff; font-size: clamp(30px, 5.1vw, 60px); line-height: 1.14; letter-spacing: -.02em;
  margin: 0 0 20px; max-width: 15em; text-wrap: balance;
}
.hero__desc {
  font-size: clamp(15px, 1.5vw, 18px); color: rgba(255, 255, 255, .84);
  max-width: 56ch; margin: 0 0 30px; line-height: 1.82;
}
.hero .btn-row { margin-bottom: 40px; }
.hero__facts {
  margin: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px;
  background: rgba(255, 255, 255, .18); border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
}
.hero__fact { background: rgba(12, 18, 30, .55); backdrop-filter: blur(10px); padding: 16px 18px; }
.hero__fact dt { font-size: 22px; font-weight: 700; color: #fff; line-height: 1.2; letter-spacing: -.01em; }
.hero__fact dd { margin: 6px 0 0; font-size: 12.5px; color: rgba(255, 255, 255, .72); letter-spacing: .02em; }

/* ---------- 三块核心业务 ---------- */
.biz { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.biz__item {
  position: relative; padding: 30px 26px 28px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.biz__item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--accent, #2563eb) 35%, transparent); }
.biz__no { font-size: 12px; font-weight: 700; letter-spacing: .18em; color: var(--accent, #2563eb); }
.biz__item h3 { font-size: 21px; }
.biz__item p { margin: 0; color: var(--muted, #667085); font-size: 14.8px; }
.biz__link { margin-top: auto; padding-top: 8px; font-weight: 600; font-size: 14.5px; color: var(--accent, #2563eb); display: inline-flex; gap: 6px; align-items: center; }

/* ---------- 产品网格 ---------- */
.grid-product { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.pcard {
  display: flex; flex-direction: column; overflow: hidden; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pcard__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper); }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.2, .7, .3, 1); }
.pcard:hover .pcard__media img { transform: scale(1.05); }
.pcard__tag {
  position: absolute; left: 12px; top: 12px; padding: 4px 10px; border-radius: 999px;
  background: rgba(16, 24, 40, .82); color: #fff; font-size: 11.5px; letter-spacing: .04em;
}
.pcard__body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pcard__body h3 { font-size: 17px; }
.pcard__body p { margin: 0; font-size: 13.6px; color: var(--muted, #667085); line-height: 1.66; }
.pcard__more { margin-top: auto; padding-top: 10px; font-size: 13px; font-weight: 600; color: var(--accent, #2563eb); }

/* 文字型条目（无实拍素材的品类，避免错配图片） */
.grid-plain { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid-plain--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pitem {
  display: flex; align-items: flex-start; gap: 12px; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
}
.pitem__ico {
  flex: 0 0 34px; width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
  background: rgba(37, 99, 235, .1); background: color-mix(in srgb, var(--accent, #2563eb) 12%, transparent);
  color: var(--accent, #2563eb);
}
.pitem h4 { font-size: 15.5px; margin: 2px 0 2px; }
.pitem p { margin: 0; font-size: 13.2px; color: var(--muted, #667085); line-height: 1.6; }

/* ---------- 优势 ---------- */
.adv { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.adv__item { background: #fff; padding: 30px 26px 32px; position: relative; }
.adv__no {
  font-size: 46px; font-weight: 800; line-height: 1; letter-spacing: -.04em;
  color: rgba(16, 24, 40, .07); position: absolute; right: 20px; top: 14px;
}
.adv__item h3 { font-size: 18px; margin-bottom: 10px; }
.adv__item p { margin: 0; color: var(--muted, #667085); font-size: 14.6px; }

/* ---------- 案例 ---------- */
.cases { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; }
.case {
  position: relative; grid-column: span 2; display: block; overflow: hidden;
  border-radius: var(--radius); min-height: 280px; background: #101828; color: #fff;
}
.case--wide { grid-column: span 3; }
.case img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; transition: transform .6s cubic-bezier(.2, .7, .3, 1); }
.case:hover img { transform: scale(1.05); }
.case::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(9, 14, 24, .58) 0%, rgba(9, 14, 24, .16) 34%, rgba(9, 14, 24, .92) 100%);
}
.case__body {
  position: relative; z-index: 2; padding: 22px; display: flex; flex-direction: column;
  justify-content: flex-end; height: 100%; min-height: 280px;
  text-shadow: 0 1px 3px rgba(6, 10, 18, .55);
}
.case__meta { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .92); margin: 0 0 8px; }
.case__body h3 { color: #fff; font-size: 18px; }
.case__body p { margin: 6px 0 0; font-size: 13.4px; color: rgba(255, 255, 255, .88); }

/* ---------- 流程 ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.step { counter-increment: step; position: relative; padding: 26px 16px 20px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.step::before {
  content: "0" counter(step); position: absolute; top: 14px; right: 14px;
  font-size: 11px; font-weight: 800; letter-spacing: .1em; color: var(--accent, #2563eb); opacity: .8;
}
.step h4 { font-size: 15px; margin-bottom: 6px; }
.step p { margin: 0; font-size: 12.8px; color: var(--muted, #667085); line-height: 1.6; }
.section--paper .step { background: #fff; }

/* ---------- 价格表 ---------- */
.price-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
table.price { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 14.6px; }
table.price th, table.price td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
table.price thead th { background: var(--paper); font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); font-weight: 700; }
table.price tbody tr:last-child td { border-bottom: 0; }
table.price td.num { color: var(--accent, #2563eb); font-weight: 700; white-space: nowrap; }
table.price td:first-child { font-weight: 600; color: var(--ink-strong); }
.price-note { margin: 14px 0 0; font-size: 13px; color: var(--muted, #667085); }

/* ---------- 评价 ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.quote { position: relative; padding: 28px 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.quote::before {
  content: "\201C"; position: absolute; right: 20px; top: 6px; font-size: 64px; line-height: 1;
  color: var(--accent, #2563eb); opacity: .16; font-family: Georgia, serif;
}
.quote blockquote { margin: 0 0 16px; padding-right: 26px; font-size: 15px; color: var(--ink-strong); line-height: 1.8; }
.quote figcaption { font-size: 12.5px; color: var(--muted, #667085); letter-spacing: .02em; }

/* ---------- 区域标签 ---------- */
.area { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.area__col h3 { font-size: 17px; margin-bottom: 6px; }
.area__col > p { font-size: 13.6px; color: var(--muted, #667085); margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.chips li {
  padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; font-size: 13px; color: var(--ink-soft);
}
.chips li a { display: inline-block; }
.chips li:hover { border-color: var(--accent, #2563eb); color: var(--accent, #2563eb); }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: var(--ink-strong); color: #fff; padding: clamp(30px, 5vw, 56px);
  display: flex; flex-wrap: wrap; gap: 26px 40px; align-items: center; justify-content: space-between;
}
.cta::before {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%;
  background: var(--accent, #2563eb); opacity: .22; filter: blur(10px);
}
.cta__text { position: relative; max-width: 60ch; }
.cta h2 { color: #fff; font-size: clamp(22px, 2.8vw, 32px); margin-bottom: 10px; }
.cta p { margin: 0; color: rgba(255, 255, 255, .78); font-size: 14.8px; }
.cta .btn-row { position: relative; }
.cta__phone { display: block; font-size: clamp(20px, 2.4vw, 28px); font-weight: 700; letter-spacing: .01em; }
.cta__phone small { display: block; font-size: 12px; font-weight: 500; letter-spacing: .12em; color: rgba(255, 255, 255, .6); text-transform: uppercase; margin-bottom: 4px; }

/* ---------- 文章卡片 ---------- */
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.article-card {
  display: flex; flex-direction: column; height: 100%; padding: 24px 24px 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.article-card time {
  display: block; font-size: 12px; letter-spacing: .08em; color: var(--muted, #667085);
  margin-bottom: 10px; font-variant-numeric: tabular-nums;
}
.article-card h3 { font-size: 17px; line-height: 1.5; margin-bottom: 10px; }
.article-card h3 a { background-image: linear-gradient(var(--accent, #2563eb), var(--accent, #2563eb)); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .25s ease; }
.article-card:hover h3 a { background-size: 100% 1px; }
.article-card p { margin: 0; font-size: 14px; color: var(--muted, #667085); line-height: 1.72; }
.article-card__foot { margin-top: auto; padding-top: 16px; font-size: 13px; font-weight: 600; color: var(--accent, #2563eb); display: inline-flex; align-items: center; gap: 6px; }

.empty-state {
  padding: 56px 24px; text-align: center; border: 1px dashed var(--line-strong);
  border-radius: var(--radius); color: var(--muted, #667085); background: #fff;
}
.empty-state strong { display: block; color: var(--ink-strong); font-size: 16px; margin-bottom: 6px; }

/* ---------- 内页页头 ---------- */
.page-hero {
  position: relative; overflow: hidden; color: #fff; background: #101828;
  padding: clamp(48px, 7vw, 88px) 0 clamp(34px, 4vw, 56px);
}
.page-hero__media { position: absolute; inset: 0; z-index: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(94deg, rgba(9, 14, 24, .9) 0%, rgba(9, 14, 24, .62) 60%, rgba(9, 14, 24, .42) 100%);
}
.page-hero .wrap { position: relative; z-index: 2; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 12.5px; color: rgba(255, 255, 255, .68); margin-bottom: 18px; }
.crumbs a { color: rgba(255, 255, 255, .86); }
.crumbs a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 46px); max-width: 24ch; }
.page-hero .lead { margin: 14px 0 0; max-width: 58ch; color: rgba(255, 255, 255, .82); font-size: 15.5px; }

/* ---------- 通用内容块 ---------- */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(26px, 4vw, 56px); align-items: center; }
.split__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); background: var(--paper); aspect-ratio: 3 / 2; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 18px; }
.split p { color: var(--ink-soft); }
.spec-list { list-style: none; display: grid; gap: 12px; margin-top: 22px; }
.spec-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.6px; color: var(--ink-soft); }
.spec-list li::before {
  content: ""; flex: 0 0 7px; width: 7px; height: 7px; margin-top: 10px; border-radius: 50%;
  background: var(--accent, #2563eb);
}
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 26px; }
.stat { padding: 16px; border-radius: var(--radius); background: var(--paper); }
.stat b { display: block; font-size: 20px; color: var(--ink-strong); letter-spacing: -.01em; }
.stat span { font-size: 12.5px; color: var(--muted, #667085); }

.note {
  margin-top: 26px; padding: 16px 20px; border-left: 3px solid var(--accent, #2563eb);
  background: var(--paper); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13.6px; color: var(--ink-soft);
}

/* ---------- 产品/服务长列表 ---------- */
.cat-block { padding: clamp(30px, 4vw, 46px) 0; border-top: 1px solid var(--line); }
.cat-block:first-of-type { border-top: 0; padding-top: 0; }
.cat-block__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin-bottom: 8px; }
.cat-block__head .idx { font-size: 12px; font-weight: 800; letter-spacing: .16em; color: var(--accent, #2563eb); }
.cat-block h2 { font-size: clamp(21px, 2.4vw, 28px); }
.cat-block__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr); gap: clamp(20px, 3vw, 44px); align-items: start; }
.cat-block__body p { color: var(--ink-soft); font-size: 15px; }
.gallery-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.gallery-2 figure { border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.gallery-2 img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gallery-2 figcaption { font-size: 12px; color: var(--muted, #667085); padding: 8px 10px 10px; background: #fff; }

/* ---------- 信息卡（联系方式） ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.info-card { padding: 24px 24px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.info-card h3 { font-size: 15px; letter-spacing: .04em; margin-bottom: 8px; color: var(--muted, #667085); font-weight: 600; }
.info-card .v { font-size: 19px; font-weight: 700; color: var(--ink-strong); line-height: 1.5; word-break: break-word; }
.info-card .v a:hover { color: var(--accent, #2563eb); }
.info-card p { margin: 8px 0 0; font-size: 13.6px; color: var(--muted, #667085); }

/* ---------- 文章详情 ---------- */
.article-page { padding-top: clamp(26px, 4vw, 44px); padding-bottom: clamp(44px, 6vw, 80px); }
.crumbs--dark { color: var(--muted, #667085); }
.crumbs--dark a { color: var(--ink-soft); }
.crumbs--dark a:hover { color: var(--accent, #2563eb); }
.article-cover:empty { display: none; }
.article-head { max-width: 820px; margin: 0 auto clamp(20px, 3vw, 30px); }
.article-head h1 { font-size: clamp(26px, 3.6vw, 42px); line-height: 1.28; margin: 0 0 18px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; font-size: 13px; color: var(--muted, #667085); }
.article-meta time { font-variant-numeric: tabular-nums; }
.article-summary {
  margin: 0 0 8px; padding: 18px 22px; border-left: 3px solid var(--accent, #2563eb);
  background: var(--paper); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink-soft); font-size: 15.4px;
}
.article-cover { max-width: 980px; margin: 0 auto clamp(24px, 4vw, 40px); border-radius: var(--radius-lg); overflow: hidden; }
.article-cover img { width: 100%; height: auto; }
.article-content { max-width: 820px; margin: 0 auto; font-size: 16.6px; line-height: 1.9; color: var(--ink); }
.article-content > *:first-child { margin-top: 0; }
.article-content h2 { font-size: clamp(21px, 2.4vw, 26px); margin: 2em 0 .7em; padding-top: .2em; }
.article-content h3 { font-size: clamp(18px, 2vw, 21px); margin: 1.7em 0 .6em; }
.article-content h4 { font-size: 17px; margin: 1.5em 0 .5em; }
.article-content p { margin: 0 0 1.1em; }
.article-content ul, .article-content ol { margin: 0 0 1.2em; padding-left: 1.4em; }
.article-content li { margin-bottom: .5em; }
.article-content li::marker { color: var(--accent, #2563eb); }
.article-content a { color: var(--accent, #2563eb); text-decoration: underline; text-underline-offset: 3px; word-break: break-word; }
.article-content blockquote {
  margin: 1.6em 0; padding: 4px 22px; border-left: 4px solid var(--accent, #2563eb);
  background: var(--paper); color: var(--ink-soft); border-radius: 0 var(--radius) var(--radius) 0;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content figure { margin: 1.8em 0; }
.article-content figure img, .article-content img { max-width: 100%; height: auto; border-radius: var(--radius); }
.article-content figcaption { font-size: 13px; color: var(--muted, #667085); text-align: center; margin-top: 8px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: 15px; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.article-content th { background: var(--paper); }
.article-content hr { border: 0; border-top: 1px solid var(--line); margin: 2.2em 0; }
.article-content code { background: var(--paper); padding: .15em .4em; border-radius: 4px; font-size: .92em; }

.article-related { margin-top: clamp(36px, 5vw, 60px); padding-top: clamp(26px, 3vw, 40px); border-top: 1px solid var(--line); }
.article-related > h2 { font-size: clamp(20px, 2.2vw, 25px); margin-bottom: 20px; }
.article-related .article-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.article-cta {
  max-width: 820px; margin: clamp(34px, 5vw, 56px) auto 0; padding: 26px 28px;
  border-radius: var(--radius-lg); background: var(--paper); border: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 16px 26px; align-items: center; justify-content: space-between;
}
.article-cta strong { display: block; font-size: 17px; color: var(--ink-strong); }
.article-cta span { font-size: 13.6px; color: var(--muted, #667085); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid-product { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .adv { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cases { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .case { grid-column: span 2; }
  .case--wide { grid-column: span 4; }
  .hero__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .biz { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quotes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); }
  .cat-block__body { grid-template-columns: minmax(0, 1fr); }
  .grid-plain { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .wrap, .wrap-narrow { width: min(100% - 32px, var(--wrap)); }
  .topbar__r { display: none; }
  .hero { min-height: 0; }
  .hero__inner { padding-top: 52px; }
  .hero .btn-row { margin-bottom: 28px; }
  .hero .btn { flex: 1 1 auto; }
  .hero__facts { gap: 0; }
  .hero__fact { padding: 14px; }
  .grid-product { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .pcard__body { padding: 14px 14px 16px; }
  .pcard__body h3 { font-size: 15.5px; }
  .pcard__body p { font-size: 12.8px; }
  .biz { grid-template-columns: minmax(0, 1fr); }
  .adv { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cases { grid-template-columns: minmax(0, 1fr); }
  .case, .case--wide { grid-column: span 1; min-height: 230px; }
  .case__body { min-height: 230px; }
  .article-grid, .quotes { grid-template-columns: minmax(0, 1fr); }
  .area { grid-template-columns: minmax(0, 1fr); }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .grid-plain { grid-template-columns: minmax(0, 1fr); }
  .grid-plain--2 { grid-template-columns: minmax(0, 1fr); }
  .cta { padding: 26px 22px; }
  .section-head { margin-bottom: 26px; }
  .article-content { font-size: 16px; }
  .article-cta { padding: 20px; }
}

@media (max-width: 420px) {
  .hero__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero h1 { font-size: 27px; }
  .grid-product { grid-template-columns: minmax(0, 1fr); }
  .btn { width: 100%; }
  .btn-row { width: 100%; }
  .hero .btn, .cta .btn { width: auto; flex: 1 1 100%; }
}