/*

 Theme Name:   极客云码 企业官网建设主题

 Theme URI:    https://www.jikeyunma.com/

 Description:  科技蓝风格的企业官网 / 企业官网建设主题，内置 SEO 与 GEO（生成式引擎优化）结构化数据，移动优先、源码交付。

 Version:      1.0.0

 Requires PHP: 7.4

 Tested up to: 6.6

 Author:       极客云码

 Author URI:   https://www.jikeyunma.com/

 License:      GPL-2.0-or-later

 Text Domain:  yunzhan

 Tags:         custom-logo, custom-menu, featured-images, footer-widgets, responsive-layout, seo, blog, one-column, two-columns

*/

/* =========================================================

   企业官网建设官网 — 设计系统 / 全局样式

   风格：科技蓝 · 专业可信 (Tech Blue, Professional)

   色板：Brand Blue #2563EB → Brand Violet #7C3AED 渐变

   ========================================================= */



:root {

  /* 品牌色 */

  --brand-blue: #2563EB;

  --brand-blue-600: #1D4ED8;

  --brand-dark: #1E3A8A;

  --brand-violet: #7C3AED;

  --brand-cyan: #38BDF8;



  /* 中性色 */

  --ink: #0F172A;

  --ink-700: #334155;

  --ink-500: #64748B;

  --surface: #F1F5F9;

  --surface-2: #F8FAFC;

  --white: #FFFFFF;

  --border: #E2E8F0;



  /* 渐变 */

  --grad-brand: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);

  --grad-dark: linear-gradient(135deg, #0F172A 0%, #1E3A8A 55%, #7C3AED 100%);

  --grad-soft: linear-gradient(135deg, #EFF6FF 0%, #F5F3FF 100%);



  /* 阴影 */

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);

  --shadow-md: 0 4px 12px rgba(15, 23, 42, .08), 0 2px 4px rgba(15, 23, 42, .06);

  --shadow-lg: 0 12px 32px rgba(37, 99, 235, .14), 0 4px 8px rgba(15, 23, 42, .08);

  --shadow-card: 0 8px 24px rgba(15, 23, 42, .07);



  /* 圆角 */

  --r-sm: 8px;

  --r-md: 14px;

  --r-lg: 22px;

  --r-pill: 999px;



  /* 容器 */

  --maxw: 1200px;

  --gap: 24px;



  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

}



* { box-sizing: border-box; margin: 0; padding: 0; }



html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }



body {

  font-family: var(--font);

  color: var(--ink);

  background: var(--white);

  line-height: 1.7;

  font-size: 16px;

  -webkit-font-smoothing: antialiased;

  text-rendering: optimizeLegibility;

}



img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }



/* ---------- 布局容器 ---------- */

.container {

  width: 100%;

  max-width: var(--maxw);

  margin: 0 auto;

  padding: 0 24px;

}



.section { padding: 88px 0; }

.section--tight { padding: 64px 0; }

.section--surface { background: var(--surface); }

.section--soft { background: var(--grad-soft); }

.section--dark {

  background:

    linear-gradient(135deg, rgba(15,23,42,.95) 0%, rgba(30,58,138,.92) 55%, rgba(124,58,237,.88) 100%),

    url("../img/stats-bg.jpg") center/cover no-repeat;

  color: var(--white);

}



/* ---------- 排版 ---------- */

.eyebrow {

  display: inline-block;

  font-size: 13px;

  font-weight: 700;

  letter-spacing: .12em;

  text-transform: uppercase;

  color: var(--brand-blue);

  background: rgba(37, 99, 235, .1);

  padding: 6px 14px;

  border-radius: var(--r-pill);

  margin-bottom: 18px;

}

.section--dark .eyebrow { color: var(--brand-cyan); background: rgba(56, 189, 248, .15); }



.h-display {

  font-size: clamp(34px, 5vw, 52px);

  font-weight: 800;

  line-height: 1.15;

  letter-spacing: -.02em;

}

.h-section {

  font-size: clamp(26px, 3.4vw, 38px);

  font-weight: 800;

  line-height: 1.25;

  letter-spacing: -.01em;

}

.h-sub {

  font-size: clamp(20px, 2.4vw, 26px);

  font-weight: 700;

}

.lead {

  font-size: clamp(16px, 1.6vw, 19px);

  color: var(--ink-500);

  max-width: 720px;

}

.section--dark .lead { color: rgba(255,255,255,.78); }

.text-center { text-align: center; }

.text-gradient {

  background: var(--grad-brand);

  -webkit-background-clip: text; background-clip: text;

  -webkit-text-fill-color: transparent; color: transparent;

}



.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }

.section-head .lead { margin: 16px auto 0; }



/* ---------- 按钮 ---------- */

.btn {

  display: inline-flex; align-items: center; justify-content: center; gap: 8px;

  font-family: var(--font);

  font-size: 15px; font-weight: 700;

  padding: 13px 26px;

  border-radius: var(--r-pill);

  border: 1.5px solid transparent;

  cursor: pointer;

  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;

  white-space: nowrap;

}

.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-lg); }

.btn-primary:hover { box-shadow: 0 16px 40px rgba(37,99,235,.28); }

.btn-outline { background: transparent; border-color: rgba(255,255,255,.45); color: #fff; }

.section--dark .btn-outline { border-color: rgba(255,255,255,.45); }

.btn-outline:hover { background: rgba(255,255,255,.1); }

.btn-ghost { background: var(--white); color: var(--brand-blue); border-color: var(--border); box-shadow: var(--shadow-sm); }

.btn-ghost:hover { border-color: var(--brand-blue); }

.btn-block { width: 100%; }



/* ---------- 头部导航 ---------- */

.site-header {

  position: sticky; top: 0; z-index: 100;

  background: rgba(255,255,255,.86);

  backdrop-filter: saturate(180%) blur(14px);

  border-bottom: 1px solid var(--border);

}

.nav {

  display: flex; align-items: center; justify-content: space-between;

  height: 72px;

}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.01em; }

.brand .logo {

  width: 34px; height: 34px; border-radius: 9px;

  background: var(--grad-brand);

  display: grid; place-items: center; color: #fff; font-size: 18px; font-weight: 800;

  box-shadow: var(--shadow-md);

}

.brand small { display: block; font-size: 11px; font-weight: 600; color: var(--ink-500); letter-spacing: .04em; }



.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-links > li { list-style: none; }

.nav-links a {

  padding: 9px 16px; border-radius: var(--r-pill);

  font-size: 15px; font-weight: 600; color: var(--ink-700);

  transition: background .15s ease, color .15s ease;

}

.nav-links a:hover, .nav-links a.active { background: var(--surface); color: var(--brand-blue); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-cta .btn { padding: 10px 20px; }



.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }

.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .2s; }



/* ---------- Hero ---------- */

.hero { position: relative; overflow: hidden; padding: 96px 0 104px; background: var(--grad-dark); color: #fff; }

.hero::before {

  content: ""; position: absolute; inset: 0;

  background:

    radial-gradient(circle at 18% 20%, rgba(56,189,248,.20), transparent 42%),

    radial-gradient(circle at 82% 70%, rgba(124,58,237,.28), transparent 46%);

}

.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

/* 内页：面包屑独占整行，避免占掉左栏把标题挤到右栏 */

.hero .breadcrumb { grid-column: 1 / -1; align-self: end; }

.hero-copy { margin-top: 18px; }

.hero-copy--full { grid-column: 1 / -1; max-width: 900px; }

.hero-badge {

  display: inline-flex; align-items: center; gap: 8px;

  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);

  padding: 7px 16px; border-radius: var(--r-pill);

  font-size: 13px; font-weight: 600; margin-bottom: 22px;

}

.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; box-shadow: 0 0 0 4px rgba(74,222,128,.25); }

.hero h1 { font-size: clamp(36px, 5.4vw, 60px); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; }

.hero p.lead { color: rgba(255,255,255,.82); margin: 22px 0 32px; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {

  position: relative; border-radius: var(--r-lg);

  background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03));

  border: 1px solid rgba(255,255,255,.16);

  padding: 14px 14px 18px; box-shadow: var(--shadow-lg); backdrop-filter: blur(4px);

}

.hero-visual .hero-shot {

  width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover;

  display: block; border-radius: var(--r-md);

  box-shadow: 0 18px 44px rgba(2, 6, 23, .5);

}

.hero-visual .chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; padding: 0 4px 2px; }

.hero-visual .chip {

  font-size: 12px; font-weight: 600; padding: 6px 12px; border-radius: var(--r-pill);

  background: rgba(56,189,248,.16); border: 1px solid rgba(56,189,248,.28); color: #bfe6ff;

}



/* ---------- 信任带 ---------- */

.trust { background: var(--surface); border-bottom: 1px solid var(--border); padding: 30px 0; }

.trust .container { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }

.trust .label { font-size: 13px; font-weight: 700; color: var(--ink-500); letter-spacing: .04em; }

.trust .logos { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }

.trust .logos span { font-size: 18px; font-weight: 800; color: var(--ink-700); opacity: .72; letter-spacing: -.01em; }



/* ---------- 卡片网格 ---------- */

.grid { display: grid; gap: var(--gap); }

.grid-2 { grid-template-columns: repeat(2, 1fr); }

.grid-3 { grid-template-columns: repeat(3, 1fr); }

.grid-4 { grid-template-columns: repeat(4, 1fr); }



.card {

  background: var(--white); border: 1px solid var(--border);

  border-radius: var(--r-lg); padding: 30px;

  box-shadow: var(--shadow-card);

  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;

}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(37,99,235,.35); }



.icon-box {

  width: 52px; height: 52px; border-radius: 14px;

  display: grid; place-items: center; margin-bottom: 18px;

  background: var(--grad-soft); color: var(--brand-blue);

}

.icon-box svg { width: 26px; height: 26px; }

.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }

.card p { color: var(--ink-500); font-size: 15px; }

.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 700; color: var(--brand-blue); font-size: 14px; }



/* 价格卡 */

.price-card {

  background: var(--white); border: 1px solid var(--border);

  border-radius: var(--r-lg); padding: 34px 30px;

  display: flex; flex-direction: column; box-shadow: var(--shadow-card);

  position: relative;

}

.price-card.featured { border-color: var(--brand-blue); box-shadow: var(--shadow-lg); }

.price-card .tag {

  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);

  background: var(--grad-brand); color: #fff; font-size: 12px; font-weight: 700;

  padding: 5px 16px; border-radius: var(--r-pill); box-shadow: var(--shadow-md);

}

.price-card h3 { font-size: 20px; font-weight: 800; }

.price-card .price { font-size: 38px; font-weight: 800; margin: 14px 0 4px; letter-spacing: -.02em; }

.price-card .price small { font-size: 15px; font-weight: 600; color: var(--ink-500); }

.price-card .desc { color: var(--ink-500); font-size: 14px; margin-bottom: 20px; }

.price-card ul { display: flex; flex-direction: column; gap: 12px; margin-bottom: 26px; }

.price-card li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--ink-700); }

.price-card li svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--brand-blue); }

.price-card .btn { margin-top: auto; }



/* 案例卡 */

.case-card {

  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-card);

  border: 1px solid var(--border); background: #fff;

  transition: transform .2s ease, box-shadow .2s ease;

}

.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.case-card .thumb { height: 200px; position: relative; overflow: hidden; background: var(--grad-soft); }

.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s ease; }

.case-card:hover .thumb img { transform: scale(1.05); }

.case-card .thumb::after {

  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 64%;

  background: linear-gradient(to top, rgba(15,23,42,.78), rgba(15,23,42,0)); pointer-events: none;

}

.case-card .thumb .big {

  position: absolute; z-index: 2; left: 20px; bottom: 12px;

  font-size: 34px; font-weight: 800; color: #fff; letter-spacing: -.02em;

  text-shadow: 0 2px 14px rgba(2, 6, 23, .55);

}

.case-card .body { padding: 24px; }

.case-card .body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }

.case-card .body p { color: var(--ink-500); font-size: 14px; }

.case-card .metric {

  display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--brand-blue);

  background: var(--grad-soft); padding: 6px 12px; border-radius: var(--r-pill);

}



/* 统计数字带 */

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.stat { text-align: center; }

.stat .num { font-size: clamp(34px, 4vw, 48px); font-weight: 800; letter-spacing: -.02em; }

.stat .num .text-gradient { display: inline; }

.stat .label { font-size: 14px; color: rgba(255,255,255,.72); margin-top: 4px; }

.section:not(.section--dark) .stat .label { color: var(--ink-500); }



/* 流程 */

.step { display: flex; gap: 18px; align-items: flex-start; }

.step .idx {

  flex: none; width: 44px; height: 44px; border-radius: 12px;

  background: var(--grad-brand); color: #fff; font-weight: 800; font-size: 18px;

  display: grid; place-items: center; box-shadow: var(--shadow-md);

}

.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }

.step p { color: var(--ink-500); font-size: 14px; }



/* FAQ */

.faq { max-width: 820px; margin: 0 auto; }

.faq-item { border: 1px solid var(--border); border-radius: var(--r-md); margin-bottom: 14px; background: #fff; overflow: hidden; }

.faq-q {

  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;

  padding: 20px 24px; font-size: 17px; font-weight: 700; color: var(--ink);

  display: flex; align-items: center; justify-content: space-between; gap: 16px; font-family: var(--font);

}

.faq-q .chev { transition: transform .2s ease; color: var(--brand-blue); flex: none; }

.faq-item.open .faq-q .chev { transform: rotate(180deg); }

.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }

.faq-a .inner { padding: 0 24px 22px; color: var(--ink-500); font-size: 15px; }

.faq-item.open .faq-a { max-height: 400px; }



/* 最终 CTA */

.final-cta { background: var(--grad-brand); color: #fff; border-radius: var(--r-lg); padding: 60px; text-align: center; }

.final-cta h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; }

.final-cta p { color: rgba(255,255,255,.85); margin: 14px auto 30px; max-width: 560px; }

.final-cta .hero-cta { justify-content: center; }



/* 表单 */

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.field { margin-bottom: 16px; }

.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--ink-700); }

.field input, .field textarea, .field select {

  width: 100%; font-family: var(--font); font-size: 15px; color: var(--ink);

  padding: 12px 14px; border: 1.5px solid var(--border); border-radius: var(--r-sm);

  background: var(--surface-2); transition: border-color .15s ease, box-shadow .15s ease;

}

.field input:focus, .field textarea:focus, .field select:focus {

  outline: none; border-color: var(--brand-blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); background: #fff;

}

.field textarea { min-height: 120px; resize: vertical; }

.form-note { font-size: 13px; color: var(--ink-500); margin-top: 6px; }

/* 询价提交结果提示 */
.form-msg {

  padding: 12px 16px; border-radius: var(--r-sm); font-size: 14px; margin-bottom: 18px;

  border: 1px solid transparent;

}

.form-msg.ok { background: #e8f7ee; border-color: #b7e4c7; color: #14663a; }

.form-msg.error { background: #fdecea; border-color: #f5c2be; color: #a12b25; }

/* 蜜罐字段：正常访客不可见，只有机器人会填写 */
.gq-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }



.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }

.info-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 30px; box-shadow: var(--shadow-card); }

.info-card .row { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--border); }

.info-card .row:last-child { border-bottom: 0; }

.info-card .ic { width: 42px; height: 42px; border-radius: 11px; background: var(--grad-soft); color: var(--brand-blue); display: grid; place-items: center; flex: none; }

.info-card .ic svg { width: 20px; height: 20px; }

.info-card .row .k { font-size: 13px; color: var(--ink-500); font-weight: 600; }

.info-card .row .v { font-size: 16px; font-weight: 700; color: var(--ink); }

.info-card .row a.v:hover { color: var(--brand-blue); }



/* 文章卡 */

.post-card { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-card); transition: transform .2s ease, box-shadow .2s ease; }

.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.post-card .cover { height: 176px; background: var(--grad-soft); position: relative; overflow: hidden; }

.post-card .cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s ease; }

.post-card:hover .cover img { transform: scale(1.05); }

.post-card .cover::after {

  content: ""; position: absolute; inset: 0;

  background: linear-gradient(to bottom, rgba(15,23,42,.30), rgba(15,23,42,0) 55%); pointer-events: none;

}

.post-card .cover .tagmini { position: absolute; top: 14px; left: 14px; background: #fff; color: var(--brand-blue); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: var(--r-pill); box-shadow: var(--shadow-sm); }

.post-card .body { padding: 22px; }

.post-card .meta { font-size: 13px; color: var(--ink-500); margin-bottom: 8px; }

.post-card h3 { font-size: 18px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }

.post-card p { font-size: 14px; color: var(--ink-500); }



/* 页脚 */

.site-footer { background: var(--ink); color: rgba(255,255,255,.7); padding: 64px 0 28px; }

.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }

.site-footer .brand { color: #fff; }

.site-footer .brand small { color: rgba(255,255,255,.5); }

.footer-about { font-size: 14px; line-height: 1.7; margin-top: 16px; max-width: 300px; }

.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }

.footer-col a { display: block; font-size: 14px; padding: 6px 0; transition: color .15s; }

.footer-col a:hover { color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; }

.footer-bottom a { color: rgba(255,255,255,.6); }

.footer-bottom a:hover { color: #fff; }



/* 面包屑 */

.breadcrumb { font-size: 13px; color: rgba(255,255,255,.7); padding: 14px 0 0; }

.breadcrumb a:hover { color: #fff; }



/* ---------- 实拍图（通用） ---------- */

.shot {

  width: 100%; height: auto; display: block;

  border-radius: var(--r-lg); border: 1px solid var(--border);

  box-shadow: var(--shadow-card);

}

.shot--wide { aspect-ratio: 3 / 2; object-fit: cover; }

.shot--tall { aspect-ratio: 4 / 3; object-fit: cover; }

.figure-cap { font-size: 13px; color: var(--ink-500); margin-top: 10px; text-align: center; }



/* 文章详情封面 */

.article-cover { margin: 0 auto 36px; max-width: 820px; }

.article-cover img { width: 100%; height: auto; border-radius: var(--r-lg); box-shadow: var(--shadow-card); }



/* 工具类 */

.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }

.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }

.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }

.gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }

.wrap { flex-wrap: wrap; }



/* ---------- 响应式 ---------- */

@media (max-width: 980px) {

  .hero .container { grid-template-columns: 1fr; gap: 40px; }

  .hero-visual { max-width: 480px; }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px; }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }

}

@media (max-width: 680px) {

  .section { padding: 60px 0; }

  .nav-links, .nav-cta .btn-ghost { display: none; }

  .nav-toggle { display: block; }

  .nav-links.open {

    display: flex; flex-direction: column; align-items: stretch; gap: 4px;

    position: absolute; top: 72px; left: 0; right: 0; background: #fff;

    padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);

  }

  .nav-links.open a { padding: 12px 14px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .final-cta { padding: 40px 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .trust .logos { gap: 24px; }

}



/* 可访问性：键盘聚焦 */

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {

  outline: 2px solid var(--brand-blue); outline-offset: 2px;

}

@media (prefers-reduced-motion: reduce) {

  * { scroll-behavior: auto !important; transition: none !important; }

}


/* =========================================================
   文章正文排版（.article-body）
   目的：为「问题式 H2 + 直给结论句 + 列表/表格」的长文结构提供样式。
   这套结构对 GEO 尤其关键——AI 需要可分块识别的 <h2>/<ul>/<table> 锚点。
   ========================================================= */
.article-body { font-size: 16.5px; line-height: 1.95; color: var(--ink-700); }

.article-body > *:first-child { margin-top: 0; }
.article-body p { margin: 0 0 18px; }
.article-body > p:first-of-type { font-size: 17.5px; color: var(--ink); }

.article-body h2 {
  font-size: 25px; font-weight: 800; line-height: 1.42; color: var(--ink);
  margin: 44px 0 16px; padding-left: 14px;
  border-left: 4px solid var(--brand-blue);
}
.article-body h3 { font-size: 19px; font-weight: 700; line-height: 1.5; color: var(--ink); margin: 28px 0 12px; }
.article-body h2 + h3 { margin-top: 18px; }

.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 24px; }
.article-body li { margin-bottom: 9px; }
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body li::marker { color: var(--brand-blue); }

.article-body strong { color: var(--ink); font-weight: 700; }
.article-body a { color: var(--brand-blue); border-bottom: 1px solid rgba(37, 99, 235, .3); }
.article-body a:hover { border-bottom-color: var(--brand-blue); }

.article-body blockquote {
  margin: 26px 0; padding: 16px 22px; background: var(--surface-2);
  border-left: 4px solid var(--brand-blue); border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--ink-500); font-size: 15.5px;
}
.article-body blockquote p:last-child { margin-bottom: 0; }

/* 结论前置块：AI 最易整段摘取的形式 */
.article-body .answer-box {
  background: #EFF6FF; border: 1px solid #BFDBFE; border-radius: var(--r-md);
  padding: 18px 22px; margin: 0 0 26px; color: var(--brand-dark); font-weight: 600;
}
.article-body .answer-box strong { color: var(--brand-blue-600); }

/* 定价 / 参数对比表：表格是 AI 抽取率最高的结构 */
.article-body table {
  width: 100%; border-collapse: collapse; margin: 0 0 26px; font-size: 15px;
  box-shadow: var(--shadow-sm); border-radius: var(--r-sm); overflow: hidden;
}
.article-body thead th {
  background: var(--surface-2); text-align: left; font-weight: 700;
  color: var(--ink); padding: 12px 15px; border: 1px solid var(--border); white-space: nowrap;
}
.article-body tbody td { padding: 12px 15px; border: 1px solid var(--border); color: var(--ink-700); }
.article-body tbody tr:nth-child(even) td { background: #FCFDFE; }

/* 文章元信息（时间 / 阅读时长） */
.article-meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  margin-top: 14px; font-size: 13.5px; color: var(--ink-500);
}
.article-meta time { color: var(--ink-500); }
.article-meta .sep { color: var(--border); }

/* 文章底部转化区 */
.article-cta {
  margin-top: 44px; padding: 28px 30px; border-radius: var(--r-lg);
  background: var(--grad-soft); border: 1px solid var(--border);
}
.article-cta h3 { font-size: 19px; font-weight: 800; color: var(--ink); margin: 0 0 8px; }
.article-cta p { font-size: 15px; color: var(--ink-500); margin: 0 0 16px; }

@media (max-width: 680px) {
  .article-body { font-size: 16px; }
  .article-body h2 { font-size: 21px; margin-top: 34px; }
  .article-body table { font-size: 14px; }
  .article-body thead th, .article-body tbody td { padding: 10px 11px; }
}
