/* 站点一 · 启明蓝 · qixiaoshang-poi-open
   由 support/build-themes.php 从 docs/design/theme-src/core.css + skin-1.css 合成。
   请改源文件后重新生成，不要直接编辑本文件。 */

/* ==========================================================================
   企小商 视频号 POI 团购 三站主题 · 核心骨架
   本文件是三站共用的结构样式；配色、排版节奏、圆角与阴影由各站 skin 段覆盖。
   生成方式：support/build-themes.php 把 core.css + skin-<n>.css 合成各主题的
   assets/theme.css。请勿直接编辑生成物。
   ========================================================================== */

/* ---------- 1. 复位与基础排版 ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, picture { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; letter-spacing: -.01em; color: var(--ink); }
table { border-collapse: collapse; width: 100%; }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }

/* ---------- 2. 布局工具 ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-y) 0; }
.section-alt { background: var(--bg-soft); }
.page-breadcrumb {
  max-width: 1200px; margin: 0 auto; padding: 18px 24px 0;
  font-size: 13px; color: var(--muted);
}
.page-breadcrumb a { color: var(--brand); }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 10px; }

.section-title { margin-bottom: var(--gap); }
.section-title > small {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .08em;
  color: var(--brand); margin-bottom: 10px;
}
.section-title h2 { font-size: clamp(24px, 3vw, 34px); }
.section-title > p { margin-top: 14px; color: var(--muted); max-width: 760px; }
.section-note { margin-top: 18px; font-size: 13.5px; color: var(--muted-2); }

/* 提示条：三站共用的强调说明块 */
.tip-bar {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px 24px; background: var(--accent-wash);
  border: 1px solid var(--accent-line); border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
}
.tip-bar strong { display: block; font-size: 15px; color: var(--accent-ink); }
.tip-bar p { margin-top: 6px; font-size: 14px; color: var(--ink-2); }
.section-title-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.section-title-row > a {
  font-size: 15px; font-weight: 600; color: var(--brand); white-space: nowrap;
  padding-bottom: 4px;
}
.section-title-row > a:hover { color: var(--brand-d); }

/* ---------- 3. 按钮 ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 26px;
  background: var(--brand); color: #fff;
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  border-radius: var(--radius);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 2px 10px rgba(1, 102, 255, .16);
}
.button:hover { background: var(--brand-d); transform: translateY(-1px); }
.button-outline {
  background: transparent; color: var(--brand);
  border: 1.5px solid var(--brand); box-shadow: none;
}
.button-outline:hover { background: var(--brand); color: #fff; }
.button-white { background: #fff; color: var(--brand-d); box-shadow: none; }
.button-white:hover { background: #fff; color: var(--brand-d); opacity: .9; }
.button-ghost { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); box-shadow: none; }
.button-ghost:hover { border-color: var(--brand); color: var(--brand); background: #fff; }

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(180%) blur(12px);
}
.header-inner {
  display: flex; align-items: center; gap: 20px;
  min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { height: 34px; width: auto; }
.brand strong { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.brand > span { font-size: 13px; color: var(--muted); padding-left: 10px; border-left: 1px solid var(--line); }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav > a {
  padding: 8px 12px; font-size: 15px; font-weight: 500; color: var(--ink-2);
  border-radius: 8px; transition: color .18s ease, background .18s ease;
  white-space: nowrap;
}
.main-nav > a:hover { color: var(--brand); background: var(--brand-wash); }
.header-cta { min-height: 42px; padding: 0 20px; margin-left: 12px; font-size: 14px; }
.nav-toggle {
  display: none; align-items: center; gap: 6px; margin-left: auto;
  min-height: 42px; padding: 0 14px;
  font-size: 14px; font-weight: 600; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
}
.nav-toggle::after {
  content: ""; width: 8px; height: 8px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .2s ease;
}
.nav-toggle[aria-expanded="true"]::after { transform: rotate(-135deg) translateY(-2px); }

/* 顶部二维码面板 */
.header-contact { position: relative; }
.header-contact-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 42px; padding: 0 16px;
  font-size: 14px; font-weight: 600; color: var(--brand);
  border: 1.5px solid var(--brand); border-radius: var(--radius-sm);
}
.header-contact-toggle i { font-style: normal; transition: transform .2s ease; }
.header-contact-toggle[aria-expanded="true"] i { transform: rotate(180deg); }
.header-contact-panel {
  position: absolute; right: 0; top: calc(100% + 12px);
  display: none; gap: 12px; padding: 16px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
}
.header-contact-panel[data-open="true"] { display: flex; }
.header-contact-panel article { width: 150px; text-align: center; }
.header-contact-panel img { width: 124px; height: 124px; margin: 0 auto 8px; border-radius: 8px; }
.header-contact-panel b { display: block; font-size: 14px; }
.header-contact-panel small { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- 5. 首页 hero ---------- */
.home-hero {
  padding: var(--hero-y) 0;
  background: var(--hero-bg);
  border-bottom: 1px solid var(--line);
}
.home-hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 56px; align-items: center;
}
.hero-copy h1 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.2; }
.hero-copy > p { margin-top: 20px; font-size: 17px; color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.network-visual { position: relative; }
.network-visual img {
  width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}
.network-visual figcaption {
  margin-top: 14px; font-size: 13px; color: var(--muted); text-align: center;
}

/* 事实数据卡（站点1 的 2×2 指标区等） */
.fact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.fact-card {
  padding: 22px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.fact-card .num {
  display: block; font-size: clamp(24px, 2.6vw, 32px); font-weight: 800;
  color: var(--brand); line-height: 1.2; letter-spacing: -.02em;
}
.fact-card .label { display: block; margin-top: 8px; font-size: 14px; color: var(--muted); }
.fact-card .note { display: block; margin-top: 6px; font-size: 12px; color: var(--muted-2); }

/* ---------- 6. 平台条 ---------- */
.platform-strip {
  padding: 26px 0; background: var(--brand); color: #fff;
}
.platform-strip .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.platform-strip p { font-size: 15px; opacity: .92; max-width: 620px; }
.platform-strip > .container > div { display: flex; gap: 10px; flex-wrap: wrap; }
.platform-strip strong {
  padding: 6px 14px; font-size: 14px; font-weight: 600;
  background: rgba(255, 255, 255, .14); border-radius: 999px;
}

/* ---------- 7. 能力卡 ---------- */
.capability-table {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.capability-table article {
  padding: 28px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.capability-table article:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand-soft); }
.capability-table h3 { font-size: 19px; margin-top: 14px; }
.capability-table small { display: block; margin-top: 6px; font-size: 13px; color: var(--brand); }
.capability-table p { margin-top: 14px; font-size: 15px; color: var(--muted); }

.ui-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--brand-wash); color: var(--brand);
  font-size: 20px; font-weight: 700;
}
.ui-icon::after { content: attr(data-icon); }

/* ---------- 8. 行业 / 场景卡 ---------- */
.home-industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.home-industry-card {
  padding: 24px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.home-industry-card > b {
  font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: .1em;
}
.home-industry-card h3 { font-size: 18px; margin-top: 10px; }
.home-industry-card p { margin-top: 10px; font-size: 14px; color: var(--muted); }
.home-industry-card > a {
  display: inline-block; margin-top: 14px; font-size: 14px;
  font-weight: 600; color: var(--brand);
}

/* ---------- 9. 交付物网格 ---------- */
.deliverables-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.deliverables-grid article {
  position: relative; padding: 26px 26px 26px 74px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.deliverables-grid article > b {
  position: absolute; left: 26px; top: 28px;
  font-size: 15px; font-weight: 800; color: var(--brand); letter-spacing: .04em;
}
.deliverables-grid h3 { font-size: 18px; }
.deliverables-grid p { margin-top: 10px; font-size: 14px; color: var(--muted); }

/* ---------- 10. 步骤 / 流程轨 ---------- */
.method-track {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
  counter-reset: step;
}
.method-track li {
  position: relative; padding: 24px 20px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius);
}
.method-track li > b {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; margin-bottom: 12px;
  background: var(--brand); color: #fff;
  font-size: 13px; font-weight: 700; border-radius: 50%;
}
.method-track h3 { font-size: 17px; }
.method-track p { margin-top: 8px; font-size: 14px; color: var(--muted); }
.method-track li + li::before {
  content: ""; position: absolute; left: -12px; top: 50%;
  width: 8px; height: 8px; border-top: 2px solid var(--brand-soft);
  border-right: 2px solid var(--brand-soft); transform: translateY(-50%) rotate(45deg);
}

/* 横向流程链（站点3 购物流程） */
.flow-chain { display: flex; align-items: stretch; gap: 0; flex-wrap: wrap; }
.flow-chain li {
  flex: 1 1 0; min-width: 150px; position: relative;
  padding: 20px 18px; background: var(--surface);
  border: 1px solid var(--line); border-right: 0;
}
.flow-chain li:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.flow-chain li:last-child { border-right: 1px solid var(--line); border-radius: 0 var(--radius) var(--radius) 0; }
.flow-chain li > b { font-size: 12px; font-weight: 700; color: var(--brand); letter-spacing: .1em; }
.flow-chain h3 { font-size: 16px; margin-top: 6px; }
.flow-chain p { font-size: 13px; color: var(--muted); margin-top: 4px; }
.flow-chain li + li::before {
  content: ""; position: absolute; left: -1px; top: 50%; z-index: 2;
  width: 12px; height: 12px; background: var(--surface);
  border-top: 1px solid var(--line); border-right: 1px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
}

/* ---------- 11. 证据 / 边界 ---------- */
.evidence-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.evidence-grid article { padding: 26px 22px; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--line); }
.evidence-grid h3 { font-size: 17px; margin-top: 14px; }
.evidence-grid p { margin-top: 10px; font-size: 14px; color: var(--muted); }

.boundary-panels { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.boundary-panels article { padding: 30px; border-radius: var(--radius); }
.do-panel { background: var(--do-bg); border: 1px solid var(--do-line); }
.dont-panel { background: var(--dont-bg); border: 1px solid var(--dont-line); }
.boundary-panels h3 { font-size: 20px; margin-bottom: 14px; }
.do-panel h3 { color: var(--do-ink); }
.dont-panel h3 { color: var(--dont-ink); }
.boundary-panels p { font-size: 15px; color: var(--ink-2); padding: 5px 0; }

/* ---------- 12. 收口 CTA ---------- */
.final-cta { padding: var(--section-y) 0; background: var(--cta-bg); color: #fff; }
.final-cta .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.final-cta h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); }
.final-cta p { margin-top: 12px; opacity: .9; max-width: 620px; }
.assessment-cta {
  padding: var(--section-y) 0;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-d) 100%);
  color: #fff;
}
.assessment-cta .container { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.assessment-cta h2 { color: #fff; }
.assessment-cta p { margin-top: 12px; opacity: .9; }
.assessment-cta .button { margin-top: 24px; }
.assessment-cta ul { display: grid; gap: 10px; }
.assessment-cta li {
  padding: 12px 16px; font-size: 15px;
  background: rgba(255, 255, 255, .12); border-radius: var(--radius-sm);
}

/* ---------- 13. 首页内容 / 案例 / FAQ ---------- */
.home-content-grid, .home-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.home-content-card, .home-case-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.home-content-card img { width: 100%; height: 168px; object-fit: cover; background: var(--brand-wash); }
.home-content-card > div, .home-case-card { padding: 22px; }
.home-content-card time { font-size: 12px; color: var(--muted-2); }
.home-content-card h3, .home-case-card h3 { font-size: 17px; margin-top: 8px; }
.home-content-card p, .home-case-card p { margin-top: 10px; font-size: 14px; color: var(--muted); flex: 1; }
.home-content-card a, .home-case-card a { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--brand); }
.home-case-card > span {
  align-self: flex-start; padding: 4px 10px; font-size: 12px; font-weight: 600;
  color: var(--accent-ink); background: var(--accent-wash); border-radius: 6px;
}
.home-case-card { padding: 22px; }

.home-faq details {
  padding: 20px 24px; margin-bottom: 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.home-faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 17px; font-weight: 600;
}
.home-faq summary::after {
  content: "＋"; flex-shrink: 0; color: var(--brand); font-size: 20px; font-weight: 400;
}
.home-faq details[open] summary::after { content: "－"; }
.home-faq details > p { margin-top: 12px; font-size: 15px; color: var(--muted); }
.home-faq details > a { display: inline-block; margin-top: 10px; font-size: 14px; font-weight: 600; color: var(--brand); }

/* ---------- 14. 列表页 hero 与分类签 ---------- */
.list-hero {
  padding: 56px 0 44px;
  background: var(--hero-bg); border-bottom: 1px solid var(--line);
}
.list-hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.list-hero h1 { font-size: clamp(26px, 3.4vw, 38px); }
.list-hero .container > div > p { margin-top: 16px; color: var(--muted); max-width: 640px; }
.mini-network img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }

.category-tabs, .knowledge-topic-tabs, .faq-topic-tabs, .case-tabs {
  position: sticky; top: 72px; z-index: 40;
  background: var(--surface); border-bottom: 1px solid var(--line);
}
.category-tabs .container, .knowledge-topic-tabs .container,
.faq-topic-tabs .container, .case-tabs .container {
  display: flex; gap: 6px; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.category-tabs a, .knowledge-topic-tabs a, .faq-topic-tabs a, .case-tabs a {
  flex-shrink: 0; padding: 15px 14px; font-size: 15px; font-weight: 500;
  color: var(--ink-2); border-bottom: 2px solid transparent; white-space: nowrap;
}
.category-tabs a:hover, .knowledge-topic-tabs a:hover,
.faq-topic-tabs a:hover, .case-tabs a:hover { color: var(--brand); }
.category-tabs a.is-active, .knowledge-topic-tabs a.is-active,
.faq-topic-tabs a.is-active, .case-tabs a.is-active {
  color: var(--brand); border-bottom-color: var(--brand); font-weight: 600;
}

/* ---------- 15. 列表主体 ---------- */
.list-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.service-list { display: grid; gap: 16px; }
.service-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center;
  padding: 26px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--brand-soft); }
.service-art {
  width: 76px; height: 76px; border-radius: 14px;
  background: var(--brand-wash); flex-shrink: 0;
  background-image: linear-gradient(135deg, var(--brand-wash) 0%, var(--accent-wash) 100%);
}
/* 无实拍图时的编号化占位，避免使用来源不明的示例照片 */
.service-art::after {
  content: ""; display: block; width: 100%; height: 100%;
  border-radius: inherit;
  background: var(--brand);
  opacity: .1;
}
.service-art.art-1 { background-image: linear-gradient(135deg, var(--brand-wash), var(--accent-wash)); }
.service-art.art-2 { background-image: linear-gradient(135deg, var(--accent-wash), var(--bg-soft)); }
.service-art.art-3 { background-image: linear-gradient(135deg, var(--bg-soft), var(--brand-wash)); }
.service-art.art-4 { background-image: linear-gradient(135deg, var(--brand-wash), var(--bg-soft)); }
.row-index { font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: .1em; }
.row-copy h2 { font-size: 20px; }
.row-copy p { margin-top: 10px; font-size: 15px; color: var(--muted); }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.tag-row span {
  padding: 3px 10px; font-size: 12px; color: var(--muted);
  background: var(--bg-soft); border-radius: 6px;
}
.row-link { font-size: 15px; font-weight: 600; color: var(--brand); white-space: nowrap; }

.list-aside { display: grid; gap: 18px; position: sticky; top: 92px; }
.side-card { padding: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.side-card h3 { font-size: 19px; margin-top: 14px; }
.side-card p { margin-top: 10px; font-size: 14px; color: var(--muted); }
.side-card .button { margin-top: 16px; width: 100%; }
.side-card small { display: block; margin-top: 12px; font-size: 12px; color: var(--muted-2); }

.empty-state { padding: 60px 30px; text-align: center; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); }
.empty-state h2 { font-size: 22px; }
.empty-state p { margin-top: 10px; color: var(--muted); }

/* ---------- 16. 知识库 ---------- */
.knowledge-library { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.knowledge-card {
  display: flex; flex-direction: column; padding: 26px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease;
}
.knowledge-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.knowledge-card time { font-size: 12px; color: var(--muted-2); }
.knowledge-card h2 { font-size: 19px; margin-top: 10px; }
.knowledge-card p { margin-top: 12px; font-size: 14px; color: var(--muted); flex: 1; }
.knowledge-card > a { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--brand); }

/* ---------- 17. FAQ 库 ---------- */
.faq-library { display: grid; gap: 14px; }
.faq-library details {
  padding: 0 26px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.faq-library summary {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 22px 0; font-size: 18px; font-weight: 600;
}
.faq-library summary::after {
  content: "＋"; flex-shrink: 0; color: var(--brand); font-size: 22px; font-weight: 300;
}
.faq-library details[open] summary::after { content: "－"; }
.faq-answer { padding: 0 0 24px; }
.faq-answer p { font-size: 15px; color: var(--muted); }
.faq-answer a { display: inline-block; margin-top: 10px; font-size: 14px; font-weight: 600; color: var(--brand); }

/* ---------- 18. 分页 ---------- */
.pagination, .builder-pagination {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  flex-wrap: wrap; margin-top: 36px; padding-top: 8px;
}
.pagination > span, .builder-pagination > span {
  font-size: 14px; color: var(--muted); margin-right: 8px;
}
.pagination a, .builder-pagination a, .page-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}
.pagination a:hover, .builder-pagination a:hover, .page-num:hover { border-color: var(--brand); color: var(--brand); }
.page-num-current { background: var(--brand) !important; border-color: var(--brand) !important; color: #fff !important; }

/* ---------- 19. 文章详情 ---------- */
.article-page { padding: 0 0 var(--section-y); }
.article-hero {
  padding: 52px 0 40px; background: var(--hero-bg); border-bottom: 1px solid var(--line);
}
.article-hero .container { max-width: 860px; }
.article-hero h1 { font-size: clamp(26px, 3.4vw, 38px); margin-top: 12px; }
.article-hero .hero-meta {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-top: 18px; font-size: 13px; color: var(--muted);
}
.article-section { max-width: 860px; margin: 0 auto; padding: 48px 24px 0; }
.article-lead {
  margin-bottom: 26px; padding: 18px 22px;
  font-size: 16px; color: var(--ink-2);
  background: var(--bg-soft); border-left: 3px solid var(--brand); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.builder-current-body { font-size: 16px; color: var(--ink-2); }
.builder-current-body h2 { font-size: 23px; margin: 36px 0 14px; }
.builder-current-body h3 { font-size: 19px; margin: 28px 0 12px; }
.builder-current-body p { margin: 14px 0; line-height: 1.85; }
.builder-current-body ul, .builder-current-body ol { margin: 14px 0 14px 4px; display: grid; gap: 8px; }
.builder-current-body ul li { position: relative; padding-left: 20px; }
.builder-current-body ul li::before {
  content: ""; position: absolute; left: 2px; top: 13px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.builder-current-body ol { counter-reset: n; }
.builder-current-body ol li { position: relative; padding-left: 30px; counter-increment: n; }
.builder-current-body ol li::before {
  content: counter(n); position: absolute; left: 0; top: 4px;
  width: 21px; height: 21px; font-size: 12px; font-weight: 700; color: #fff;
  background: var(--brand); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.builder-current-body strong { font-weight: 700; color: var(--ink); }
.builder-current-body table { margin: 20px 0; font-size: 14px; }
.builder-current-body th, .builder-current-body td {
  padding: 12px 14px; border: 1px solid var(--line); text-align: left;
}
.builder-current-body th { background: var(--bg-soft); font-weight: 600; }
.article-nav {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 15px;
}
.article-nav a { color: var(--brand); font-weight: 500; }

/* ---------- 20. 单页 / 诊断页 ---------- */
.about-hero, .diagnosis-hero {
  padding: var(--hero-y) 0;
  background: var(--hero-bg); border-bottom: 1px solid var(--line);
}
.about-hero .container, .diagnosis-hero .container { max-width: 1000px; }
.about-hero h1, .diagnosis-hero h1 { font-size: clamp(28px, 3.8vw, 44px); }
.about-hero p, .diagnosis-hero p { margin-top: 18px; font-size: 17px; color: var(--muted); max-width: 720px; }
.about-section, .diagnosis-content { padding: var(--section-y) 0; }
.about-section .container, .diagnosis-content .container { max-width: 1000px; }
.about-section h2, .diagnosis-content h2 { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 16px; }
.about-section h3, .diagnosis-content h3 { font-size: 19px; margin: 32px 0 12px; }
.about-section p, .diagnosis-content p { margin: 14px 0; color: var(--ink-2); }

.process-strip { padding: 40px 0; background: var(--brand); color: #fff; }
.process-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-strip li { position: relative; padding-left: 18px; border-left: 2px solid rgba(255, 255, 255, .3); }
.process-strip li > b { display: block; font-size: 12px; letter-spacing: .12em; opacity: .8; }
.process-strip h2, .process-strip h3 { color: #fff; font-size: 18px; margin-top: 6px; }
.process-strip p { font-size: 14px; opacity: .88; margin-top: 6px; }

/* 步骤卡：hero 右栏常用的窄条卡。标题按契约必须用 h2（紧跟 h1 不跳级），
   但同一组件也可能在 h2 之后出现，故两级标题都给样式。 */
.step-cards { display: grid; gap: 12px; }
.step-cards li {
  display: grid; grid-template-columns: 46px 1fr; gap: 16px; align-items: center;
  padding: 18px 20px; background: var(--surface);
  border: 1px solid var(--line); border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.step-cards li > b {
  width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
  background: var(--brand-wash); color: var(--brand);
  font-size: 13px; font-weight: 700; border-radius: var(--radius-sm);
}
.step-cards h2, .step-cards h3 { font-size: 16px; }
.step-cards p { font-size: 13.5px; color: var(--muted); margin-top: 3px; }

.faq-section { padding: var(--section-y) 0; background: var(--bg-soft); }

.builder-contact { padding: var(--section-y) 0; background: var(--bg-soft); }
.builder-contact .container { max-width: 1000px; }
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.contact-cards article { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.contact-cards h3 { font-size: 17px; }
.contact-cards p { margin-top: 8px; font-size: 15px; color: var(--muted); word-break: break-all; }
.contact-cards .button { margin-top: 16px; }
.contact-note {
  margin-top: 24px; padding: 18px 22px; font-size: 14px; color: var(--muted);
  background: var(--accent-wash); border-radius: var(--radius); border: 1px solid var(--accent-line);
}

/* ---------- 21. GEO 子页 ---------- */
.geo-subpage-hero { padding: 64px 0 52px; background: var(--hero-bg); border-bottom: 1px solid var(--line); }
.geo-subpage-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.geo-subpage-copy h1 { font-size: clamp(28px, 3.6vw, 42px); margin-top: 16px; }
.geo-subpage-copy > p { margin-top: 18px; font-size: 16px; color: var(--muted); }
.geo-subpage-copy .button { margin-top: 26px; }
.geo-subpage-visual img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.article-badge {
  display: inline-block; padding: 5px 12px; font-size: 13px; font-weight: 600;
  color: var(--accent-ink); background: var(--accent-wash); border-radius: 6px;
}
.service-principles { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.service-principles span {
  padding: 5px 12px; font-size: 13px; color: var(--brand);
  background: var(--brand-wash); border-radius: 6px;
}

.service-framework { background: var(--bg-soft); }
.framework-table { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.framework-table article { padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.framework-table h3 { font-size: 19px; margin-top: 14px; }
.framework-table p { margin-top: 12px; font-size: 15px; color: var(--muted); }
.framework-table aside {
  margin-top: 16px; padding: 12px 16px; font-size: 14px; color: var(--ink-2);
  background: var(--bg-soft); border-radius: var(--radius-sm); border-left: 3px solid var(--brand);
}
.framework-table aside b { color: var(--brand); margin-right: 6px; }

.service-promises { padding: var(--section-y) 0; }
.promise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.promise-grid article {
  display: flex; gap: 14px; padding: 24px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.promise-grid .ui-icon { flex-shrink: 0; width: 38px; height: 38px; font-size: 17px; }
.promise-grid h3 { font-size: 17px; }
.promise-grid p { margin-top: 8px; font-size: 14px; color: var(--muted); }

.delivery-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.delivery-timeline article {
  display: flex; gap: 16px; padding: 26px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.delivery-timeline article > b {
  flex-shrink: 0; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand); color: #fff; font-size: 13px; font-weight: 700; border-radius: 50%;
}
.delivery-timeline h3 { font-size: 17px; }
.delivery-timeline p { margin-top: 8px; font-size: 14px; color: var(--muted); }
.delivery-timeline strong { display: block; margin-top: 12px; font-size: 13px; color: var(--accent-ink); }

.service-boundary { background: var(--bg-soft); }

/* 案例页 */
.case-proof-strip { padding: 26px 0; background: var(--surface); border-bottom: 1px solid var(--line); }
.case-proof-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.case-proof-strip .num { display: block; font-size: 30px; font-weight: 800; color: var(--brand); line-height: 1.2; }
.case-proof-strip .label { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); }
.case-section { padding: var(--section-y) 0; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  display: flex; flex-direction: column; padding: 26px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.case-card .case-tag {
  align-self: flex-start; padding: 4px 10px; font-size: 12px; font-weight: 600;
  color: var(--accent-ink); background: var(--accent-wash); border-radius: 6px;
}
.case-card h3 { font-size: 19px; margin-top: 14px; }
.case-card p { margin-top: 12px; font-size: 14px; color: var(--muted); flex: 1; }
.case-card .case-meta {
  display: flex; gap: 14px; flex-wrap: wrap; margin-top: 16px;
  padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.case-card a { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--brand); }
.case-method { padding: var(--section-y) 0; background: var(--bg-soft); }
.case-method .method-track { grid-template-columns: repeat(4, 1fr); }

/* ---------- 22. 页脚 ---------- */
.site-footer { background: var(--footer-bg); color: var(--footer-ink); padding-top: var(--section-y); }
.site-footer h2, .site-footer h3 { color: #fff; }
.footer-main { display: grid; grid-template-columns: 1.2fr 2fr; gap: 48px; }
.brand-light strong { color: #fff; }
.footer-brand small { display: block; margin-top: 12px; font-size: 13px; color: var(--accent); }
.footer-brand > p { margin-top: 14px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .68); }
.footer-contacts { display: grid; gap: 8px; margin-top: 18px; }
.footer-contacts a { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .82); }
.footer-contacts a:hover { color: #fff; }
.contact-icon { width: 16px; height: 16px; border-radius: 4px; background: var(--accent); opacity: .9; flex-shrink: 0; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links h3 { font-size: 15px; margin-bottom: 14px; }
.footer-links a { display: block; font-size: 14px; line-height: 2.2; color: rgba(255, 255, 255, .68); }
.footer-links a:hover { color: #fff; }
.footer-contact-band { margin-top: 44px; padding: 32px 0; background: rgba(255, 255, 255, .05); }
.footer-contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-contact-copy { display: flex; align-items: center; gap: 16px; }
.contact-band-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent); flex-shrink: 0; }
.footer-contact-copy h2 { font-size: 22px; }
.footer-contact-copy p { font-size: 14px; color: rgba(255, 255, 255, .68); margin-top: 4px; }
.footer-qr-list { display: flex; gap: 16px; }
.qr-card { display: flex; gap: 14px; align-items: center; }
.qr-card img { width: 96px; height: 96px; border-radius: 10px; background: #fff; padding: 6px; }
.qr-card b { font-size: 15px; color: #fff; }
.qr-card p { font-size: 13px; color: rgba(255, 255, 255, .68); margin-top: 6px; line-height: 1.6; }
.qr-card small { display: block; font-size: 12px; color: var(--accent); margin-top: 4px; }
.friend-links { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 32px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); }
.friend-links strong { font-size: 13px; color: rgba(255, 255, 255, .55); font-weight: 500; }
.friend-links nav { display: flex; gap: 14px; flex-wrap: wrap; }
.friend-links a { display: flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255, 255, 255, .6); }
.friend-links a:hover { color: #fff; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap; margin-top: 28px; padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13px; color: rgba(255, 255, 255, .55);
}
.footer-bottom > div { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer-separator { width: 1px; height: 12px; background: rgba(255, 255, 255, .2); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 23. 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- 24. 响应式：平板 ---------- */
@media (max-width: 1120px) {
  .container { padding: 0 20px; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 25. 响应式：导航折叠 ---------- */
@media (max-width: 1024px) {
  :root { --section-y: 60px; --hero-y: 56px; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 20px 20px; margin: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
  }
  .main-nav[data-open="true"] { display: flex; }
  .main-nav > a { padding: 13px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .main-nav > a:last-child { border-bottom: 0; }
  .header-cta { margin-left: 0; }
  .header-contact-toggle { display: none; }
  .site-header .header-inner { position: relative; flex-wrap: wrap; }

  .home-hero-grid, .list-hero .container, .geo-subpage-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .network-visual, .mini-network, .geo-subpage-visual { max-width: 520px; }
  .list-layout { grid-template-columns: 1fr; }
  .list-aside { position: static; grid-template-columns: repeat(2, 1fr); }
  .assessment-cta .container { grid-template-columns: 1fr; gap: 28px; }
  .method-track { grid-template-columns: repeat(2, 1fr); }
  .method-track li + li::before { display: none; }
  .home-industry-grid, .evidence-grid, .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .deliverables-grid, .delivery-timeline, .home-content-grid,
  .home-case-grid, .case-grid, .knowledge-library { grid-template-columns: repeat(2, 1fr); }
  .case-proof-strip .container, .process-strip .container { grid-template-columns: repeat(2, 1fr); }
  .capability-table, .framework-table, .boundary-panels { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
}

/* ---------- 26. 响应式：手机 ---------- */
@media (max-width: 768px) {
  :root { --section-y: 48px; --hero-y: 44px; }
  body { font-size: 15px; }
  .container { padding: 0 16px; }
  .section-title-row { align-items: flex-start; }
  .brand > span { display: none; }
  .header-inner { min-height: 62px; }
  .category-tabs, .knowledge-topic-tabs, .faq-topic-tabs, .case-tabs { position: static; }

  .hero-actions { gap: 10px; }
  .hero-actions .button { flex: 1 1 auto; min-width: 0; padding: 0 16px; }
  .fact-cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .fact-card { padding: 18px 16px; }
  .platform-strip .container { flex-direction: column; align-items: flex-start; }

  .home-industry-grid, .evidence-grid, .promise-grid,
  .deliverables-grid, .delivery-timeline, .home-content-grid,
  .home-case-grid, .case-grid, .knowledge-library,
  .list-aside, .case-proof-strip .container, .process-strip .container { grid-template-columns: 1fr; }
  .step-cards li { grid-template-columns: 34px 1fr; gap: 12px; padding: 16px; }
  .capability-table, .framework-table, .boundary-panels { grid-template-columns: 1fr; }

  /* 五步流程轨在窄屏转竖排，箭头由横转竖 */
  .method-track { grid-template-columns: 1fr; }
  .method-track li + li::before {
    display: block; left: 50%; top: -12px;
    width: 8px; height: 8px;
    border-top: 2px solid var(--brand-soft); border-right: 2px solid var(--brand-soft);
    border-left: 0; border-bottom: 0;
    transform: translateX(-50%) rotate(-135deg);
  }

  /* 横向流程链在窄屏转竖排 */
  .flow-chain { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .flow-chain li { border-right: 1px solid var(--line); border-radius: var(--radius); }
  .flow-chain li + li::before {
    left: 50%; top: -12px; width: 8px; height: 8px;
    border-top: 2px solid var(--brand-soft); border-right: 2px solid var(--brand-soft);
    border-left: 0; border-bottom: 0;
    transform: translateX(-50%) rotate(-135deg);
  }

  .service-row { grid-template-columns: 1fr; gap: 14px; }
  .service-art { width: 56px; height: 56px; }
  .deliverables-grid article { padding: 22px 22px 22px 22px; }
  .deliverables-grid article > b { position: static; display: block; margin-bottom: 8px; }
  .footer-links { grid-template-columns: 1fr; gap: 18px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .article-section { padding: 32px 16px 0; }
  .pagination, .builder-pagination { gap: 6px; }
}

/* ---------- 27. 响应式：小屏 ---------- */
@media (max-width: 560px) {
  .fact-cards { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .geo-subpage-hero { padding: 40px 0 34px; }
  .list-hero { padding: 36px 0 30px; }
  .article-hero { padding: 34px 0 28px; }
  .assessment-cta .container, .final-cta .container { text-align: left; }
  .qr-card { flex-direction: column; align-items: flex-start; }
  .footer-qr-list { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Site A: approved white/blue merchant service desk, 2026-10-15. */
:root{--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;--brand:#0166ff;--brand-d:#0051cc;--brand-wash:#eef5ff;--accent:#00b8d0;--ink:#11243f;--muted:#65778b;--line:#e2ebf5;--bg:#fff;--bg-soft:#f5f9ff;--surface:#fff;--radius:8px}
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body.poi-open .article-cover{margin:0 0 30px}body.poi-open .article-cover img{width:100%;height:auto;max-height:430px;object-fit:cover;border-radius:8px}body.poi-open .article-cover figcaption{font-size:11px;color:#8a9caf;margin-top:8px;text-align:right}
@media(max-width:767px){body.poi-open .article-cover{margin-bottom:25px}body.poi-open .article-cover img{max-height:260px}body.poi-open .article-cover figcaption{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}body.poi-open *,body.poi-open *::before,body.poi-open *::after{animation:none!important;transition:none!important}}
/* This is the page wrapper, not the legacy three-column card collection. */
body.poi-open .knowledge-library { display: block; }
body.poi-open .knowledge-layout { align-items: start; }
body.poi-open .case-proof-strip .container { display: block; text-align: left; }
body.poi-open .process-strip .container,
body.poi-open .assessment-cta .container { display: block; }
body.poi-open .list-section .editorial-row > div:only-child { grid-column: 1 / -1; }
body.poi-open .process-strip h2,
body.poi-open .process-strip h3 { color: var(--ink); }
body.poi-open .assessment-cta .center-action .button { background: #fff; color: var(--brand); }