/* ==========================================================
   仟客CRM 官网 · 商务风设计系统
   主色深蓝，纯色块 + 细描边，无渐变、无阴影堆叠
   ========================================================== */

:root {
  --navy: #14295e;
  --navy-2: #1b356f;
  --blue: #1e4ed8;
  --blue-soft: #eef3fe;
  --orange: #c97a15;
  --orange-soft: #fdf4e7;
  --ink: #1c2b45;
  --text: #33455f;
  --muted: #5b6b84;
  --line: #e6ebf2;
  --bg: #f5f7fa;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 16px;
  --container: 1180px;
  --shadow-card: 0 1px 2px rgba(20, 41, 94, 0.04);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--ink); margin: 0; line-height: 1.3; font-weight: 600; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--navy); }
img, svg { max-width: 100%; }
strong { color: var(--ink); font-weight: 600; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.brand:hover { color: var(--ink); }

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
  font-weight: 400;
  margin-left: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  line-height: 1.2;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--text);
  border-radius: 8px;
}

.nav-link:hover { color: var(--navy); background: var(--bg); }
.nav-link.is-active { color: var(--navy); font-weight: 600; }

.nav-link .chev {
  width: 14px;
  height: 14px;
  opacity: 0.55;
  transition: transform 0.18s ease;
}

.nav-item:hover .chev { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(20, 41, 94, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.18s ease;
}

.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
}

.dropdown a:hover { background: var(--bg); color: var(--navy); }

.dropdown .dd-title {
  display: block;
  padding: 6px 12px 4px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-phone {
  font-size: 14px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
}

.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); color: #fff; }

.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: #eef1f7; color: var(--navy); }

.btn-outline { border-color: #c9d3e2; color: var(--navy); background: #fff; }
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }

.btn-ghost-light { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.btn-ghost-light:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, 0.08); }

.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--blue);
}

.link-arrow::after {
  content: "";
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e4ed8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform 0.18s ease;
}

.link-arrow:hover::after { transform: translateX(3px); }

/* ---------- 首屏 ---------- */
.hero {
  background: var(--navy);
  color: #fff;
  padding: 84px 0 88px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
}

.hero-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7fa6ff;
  display: block;
}

.hero h1 {
  color: #fff;
  font-size: 46px;
  line-height: 1.25;
  letter-spacing: -0.5px;
  font-weight: 700;
}

.hero-lead {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 520px;
}

.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-stats dt {
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}

.hero-stats dd {
  margin: 6px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
}

/* 首屏右侧：白卡片模拟应用界面 */
.hero-panel {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 22px;
  color: var(--text);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.panel-title { font-size: 14px; font-weight: 600; color: var(--ink); }
.panel-tag { font-size: 12px; color: var(--blue); background: var(--blue-soft); padding: 3px 8px; border-radius: 5px; }

.panel-rows { margin-top: 6px; }

.panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #f0f3f8;
  font-size: 13px;
}

.panel-row:last-child { border-bottom: 0; }
.panel-row span:first-child { color: var(--muted); }
.panel-row b { color: var(--ink); font-weight: 600; }

.panel-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 64px;
  margin-top: 16px;
  padding-top: 4px;
}

.panel-bars i {
  flex: 1;
  background: #dbe4f4;
  border-radius: 3px 3px 0 0;
  display: block;
}

.panel-bars i.on { background: var(--navy); }

.panel-foot {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #98a5ba;
  margin-top: 8px;
}

/* ---------- 区块 ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--bg); }
.section-line { border-top: 1px solid var(--line); }

.section-head { max-width: 720px; margin-bottom: 44px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--blue);
  display: block;
}

.section h2 {
  font-size: 32px;
  letter-spacing: -0.3px;
}

.section-lead {
  margin-top: 16px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.85;
}

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 44px;
}

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

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.18s ease, transform 0.18s ease;
  height: 100%;
}

a.card:hover {
  border-color: #c3cfe3;
  transform: translateY(-2px);
  color: inherit;
}

.card-title { font-size: 18px; margin-bottom: 10px; }
.card-desc { font-size: 14px; color: var(--muted); line-height: 1.75; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.card-name { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 600; color: var(--ink); }

.card-bar { width: 4px; height: 18px; border-radius: 2px; background: var(--navy); display: block; }
.card-bar-orange { background: var(--orange); }

.tag {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 5px;
  background: var(--bg);
  color: var(--muted);
  white-space: nowrap;
}

.tag-blue { background: var(--blue-soft); color: var(--blue); }
.tag-orange { background: var(--orange-soft); color: var(--orange); }

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #f0f3f8;
  font-size: 13px;
  color: var(--muted);
}

/* 图标块 */
.icon-box {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.icon-box svg { width: 20px; height: 20px; }
.icon-box-blue { background: var(--blue-soft); color: var(--blue); }
.icon-box-orange { background: var(--orange-soft); color: var(--orange); }

/* 编号列表 */
.num-list { border-top: 1px solid var(--line); }

.num-item {
  display: flex;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.num-item .no {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 1px;
  padding-top: 3px;
  min-width: 26px;
}

.num-item h3 { font-size: 17px; margin-bottom: 8px; }
.num-item p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

/* 勾选列表 */
.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 10px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e4ed8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-cell {
  padding: 30px 26px;
  border-right: 1px solid var(--line);
}

.stat-cell:last-child { border-right: 0; }
.stat-cell b { display: block; font-size: 30px; color: var(--navy); font-weight: 700; letter-spacing: -0.5px; }
.stat-cell span { display: block; margin-top: 6px; font-size: 13.5px; color: var(--muted); }

/* ---------- 价格 ---------- */
.price-card { display: flex; flex-direction: column; }

.price-head { padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }

.price-name { font-size: 19px; font-weight: 600; color: var(--ink); }

.price-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 14px;
}

.price-num b { font-size: 30px; color: var(--navy); font-weight: 700; letter-spacing: -0.5px; }
.price-num span { font-size: 13px; color: var(--muted); }

.price-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
.price-list { flex: 1; }
.price-list li { font-size: 14px; padding: 7px 0 7px 24px; position: relative; color: var(--text); }

.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6b84' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.price-card .btn { margin-top: 20px; }

.price-card.is-featured { border-color: var(--navy); border-width: 1.5px; }

/* 表格 */
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; }
th, td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: #f8fafc; color: var(--ink); font-weight: 600; font-size: 13.5px; }
tr:last-child td { border-bottom: 0; }
td.num { color: var(--navy); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}

.faq summary {
  cursor: pointer;
  padding: 20px 34px 20px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  list-style: none;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 300;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after { content: "−"; }

.faq-answer {
  padding: 0 40px 20px 0;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.9;
}

/* ---------- 行动区 ---------- */
.cta {
  background: var(--navy);
  color: #fff;
  padding: 64px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta h2 { color: #fff; font-size: 30px; }
.cta p { margin-top: 12px; color: rgba(255, 255, 255, 0.75); font-size: 15px; max-width: 560px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页头（内页） ---------- */
.page-head {
  background: var(--navy);
  color: #fff;
  padding: 56px 0 60px;
}

.page-head h1 { color: #fff; font-size: 36px; letter-spacing: -0.4px; }
.page-head p { margin-top: 16px; color: rgba(255, 255, 255, 0.78); font-size: 16px; max-width: 680px; line-height: 1.8; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
}

.breadcrumb a { color: rgba(255, 255, 255, 0.6); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: 0.5; }

.page-head-stats { display: flex; gap: 44px; margin-top: 36px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.page-head-stats b { display: block; font-size: 24px; color: #fff; font-weight: 600; }
.page-head-stats span { display: block; font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }

.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; }

.contact-big {
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.5px;
  display: block;
  margin: 8px 0 4px;
}

.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #f0f3f8;
  font-size: 14.5px;
}

.contact-row:last-child { border-bottom: 0; }
.contact-row .label { color: var(--muted); min-width: 76px; }
.contact-row .value { color: var(--ink); font-weight: 500; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--ink); font-weight: 500; margin-bottom: 8px; }

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 11px 14px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--ink);
  border: 1px solid #d8e0ec;
  border-radius: 8px;
  background: #fff;
  outline: none;
  transition: border-color 0.18s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--navy); }

.field textarea { resize: vertical; min-height: 88px; }

.form-hint { font-size: 12.5px; color: var(--muted); margin-top: 10px; line-height: 1.7; }

.form-result {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid #cfe0ff;
  background: #f4f8ff;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text);
  white-space: pre-wrap;
  display: none;
}

.form-result.show { display: block; }

/* ---------- 文章 ---------- */
.article { max-width: 760px; margin: 0 auto; padding-top: 56px; padding-bottom: 72px; }
.article h1 { font-size: 34px; letter-spacing: -0.3px; margin-bottom: 14px; }
.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article h2 { font-size: 23px; margin: 38px 0 14px; }
.article h3 { font-size: 18px; margin: 26px 0 10px; }
.article p { font-size: 16px; line-height: 1.9; margin-bottom: 16px; color: var(--text); }
.article ul { margin: 0 0 18px; }
.article ul li { position: relative; padding-left: 20px; margin-bottom: 9px; font-size: 15.5px; line-height: 1.85; }
.article ul li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
.article blockquote {
  margin: 24px 0;
  padding: 18px 22px;
  background: var(--bg);
  border-left: 3px solid var(--navy);
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  color: var(--text);
}
.article-note { margin-top: 36px; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; color: var(--muted); }

.post-list { display: grid; gap: 20px; }
.post-item { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; color: inherit; }
.post-item:hover { border-color: #c3cfe3; color: inherit; }
.post-date { font-size: 12.5px; color: var(--muted); }
.post-item h3 { font-size: 18px; margin: 8px 0 8px; }
.post-item p { font-size: 14px; color: var(--muted); line-height: 1.75; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0f1f47; color: rgba(255, 255, 255, 0.66); padding: 60px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.site-footer .brand { color: #fff; }
.site-footer .brand-mark { background: rgba(255, 255, 255, 0.12); }
.footer-about { margin-top: 18px; line-height: 1.8; font-size: 13.5px; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; font-weight: 600; }
.footer-col a { display: block; color: rgba(255, 255, 255, 0.62); padding: 6px 0; font-size: 13.5px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 24px; font-size: 12.5px; color: rgba(255, 255, 255, 0.42); flex-wrap: wrap; }
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 404 ---------- */
.notfound { padding: 110px 0; text-align: center; }
.notfound b { font-size: 76px; color: var(--navy); display: block; line-height: 1; letter-spacing: -2px; }
.notfound p { margin: 20px 0 30px; color: var(--muted); }

/* ---------- 其它 ---------- */
.note-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.85;
}

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split-reverse .split-media { order: 2; }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 38px; }
  .hero-panel { max-width: 480px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-cell:nth-child(2) { border-right: 0; }
  .stat-cell:nth-child(1), .stat-cell:nth-child(2) { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split-reverse .split-media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .section h2 { font-size: 25px; }
  .section-head-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero { padding: 52px 0 60px; }
  .hero h1 { font-size: 30px; }
  .hero-lead { font-size: 15.5px; }
  .hero-stats { gap: 24px; }
  .hero-stats dt { font-size: 21px; }
  .page-head { padding: 40px 0 44px; }
  .page-head h1 { font-size: 27px; }
  .page-head-stats { gap: 26px; flex-wrap: wrap; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; }
  .stat-cell { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px; }
  .stat-cell:last-child { border-bottom: 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .cta h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-phone { display: none; }
  .nav-actions .btn { display: none; }
  .num-item { gap: 14px; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 520px; }
  .article { padding-top: 36px; padding-bottom: 52px; }
  .article h1 { font-size: 26px; }
  .article h2 { font-size: 20px; }

  .nav-menu.is-open {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 10px 20px 20px;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }

  .nav-menu.is-open .nav-item { border-bottom: 1px solid #f0f3f8; }
  .nav-menu.is-open .nav-link { padding: 13px 4px; font-size: 16px; }
  .nav-menu.is-open .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 0 0 10px 12px;
    min-width: 0;
  }
  .nav-menu.is-open .dropdown a { padding: 8px 0; font-size: 14.5px; }
  .nav-menu.is-open .chev { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* 四列卡片：收窄字级，避免标题与页脚文字换行错位 */
.grid-4 .card { padding: 22px; }
.grid-4 .card-name { font-size: 16px; }
.grid-4 .card-desc { font-size: 13px; line-height: 1.7; }
.grid-4 .card-foot { flex-direction: column; align-items: flex-start; gap: 10px; font-size: 12.5px; }
.grid-4 .tag { font-size: 11px; }

.link-arrow { white-space: nowrap; }

/* 产品矩阵底部说明与上方留白 */
.note-box + .note-box { margin-top: 16px; }

/* 价格条（产品页） */
.price-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ps-item { padding: 26px; border-right: 1px solid var(--line); }
.ps-item:last-child { border-right: 0; }
.ps-name { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 10px; }
.ps-item b { display: block; font-size: 26px; color: var(--navy); letter-spacing: -0.5px; line-height: 1.2; }
.ps-item small { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); }

/* 两列网格中落单的卡片占满整行 */
.grid-2 > .card:last-child:nth-child(odd) { grid-column: 1 / -1; }

@media (max-width: 720px) {
  .price-strip { grid-template-columns: 1fr; }
  .ps-item { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px; }
  .ps-item:last-child { border-bottom: 0; }
}

/* 行内「复制」小链接 */
.copy-link {
  margin-left: 12px;
  font-size: 13px;
  color: var(--blue);
  border-bottom: 1px solid rgba(30, 78, 216, 0.35);
  padding-bottom: 1px;
}

.copy-link:hover { border-bottom-color: var(--blue); }

/* 行内「复制」小链接 */
.copy-link {
  margin-left: 12px;
  font-size: 13px;
  color: var(--blue);
  border-bottom: 1px solid rgba(30, 78, 216, 0.35);
  padding-bottom: 1px;
}

.copy-link:hover { border-bottom-color: var(--blue); }

/* 白底文章页里的面包屑（深色，避免沿用页头的白色） */
.article .breadcrumb { color: var(--muted); margin-bottom: 4px; }
.article .breadcrumb a { color: var(--muted); }
.article .breadcrumb a:hover { color: var(--navy); }
.article .breadcrumb span { opacity: 1; color: #b6c0d0; }

/* 白底文章页里的面包屑（深色，避免沿用页头的白色） */
.article .breadcrumb { color: var(--muted); margin-bottom: 4px; }
.article .breadcrumb a { color: var(--muted); }
.article .breadcrumb a:hover { color: var(--navy); }
.article .breadcrumb span { opacity: 1; color: #b6c0d0; }

/* ---------------- 博客正文增强（Markdown 生成的内容） ---------------- */
.article ul { list-style: none; }
.article ol { list-style: none; counter-reset: n; margin: 0 0 18px; }
.article ol li { position: relative; padding-left: 32px; margin-bottom: 10px; font-size: 15.5px; line-height: 1.85; counter-increment: n; }
.article ol li::before {
  content: counter(n);
  position: absolute;
  left: 0;
  top: 4px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 12px;
  line-height: 21px;
  text-align: center;
  font-weight: 600;
}

.article a { border-bottom: 1px solid rgba(30, 78, 216, 0.28); padding-bottom: 1px; }
.article a:hover { border-bottom-color: var(--blue); }

.md-table { margin: 22px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.md-table table { width: 100%; min-width: 100%; border-collapse: collapse; font-size: 14.5px; }
.article th, .article td { border: 1px solid var(--line); padding: 11px 14px; text-align: left; line-height: 1.7; vertical-align: top; }
.article th { background: var(--bg); font-weight: 600; color: var(--ink); }
.article td { color: var(--text); }

.article code {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 13.5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.article pre { background: #0f1c3f; border-radius: 10px; padding: 18px 20px; overflow-x: auto; margin: 22px 0; }
.article pre code { background: none; border: 0; padding: 0; color: #dfe6f5; font-size: 13px; line-height: 1.75; }

.article hr { border: 0; border-top: 1px solid var(--line); margin: 38px 0; }
.article img { display: block; border-radius: 10px; margin: 10px 0 22px; }
.article h3 { color: var(--ink); }

/* 上一篇 / 下一篇 */
.post-nav { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 16px; margin-top: 40px; }
.post-nav-item { display: block; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; color: inherit; }
.post-nav-item:hover { border-color: #c3cfe3; color: inherit; }
.post-nav-label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.post-nav-title { display: block; font-size: 15px; color: var(--ink); line-height: 1.5; }

@media (max-width: 720px) {
  .post-nav { grid-auto-flow: row; }
  .md-table table { font-size: 13.5px; min-width: 0; }
  .article th, .article td { padding: 9px 11px; }
}

/* ---------------- 品牌 logo ---------------- */
.brand-logo {
  display: block;
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

/* 深色页脚上给 logo 一个白色底片，避免深蓝图形与背景糊在一起 */
.brand-chip {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-chip .brand-logo {
  height: 26px;
}

/* 页脚备案行：允许换行，手机上不挤成一团 */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
}

.footer-legal a[href*="mps.gov.cn"]:before {
  content: "";
  display: inline-block;
  width: 11px;
  height: 12px;
  margin-right: 4px;
  vertical-align: -1px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 13c0 5-3.5 7.5-7.7 9a1 1 0 0 1-.6 0C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.2-2.7a1.2 1.2 0 0 1 1.6 0C14.5 3.8 17 5 19 5a1 1 0 0 1 1 1z'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 13c0 5-3.5 7.5-7.7 9a1 1 0 0 1-.6 0C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.2-2.7a1.2 1.2 0 0 1 1.6 0C14.5 3.8 17 5 19 5a1 1 0 0 1 1 1z'/%3E%3C/svg%3E") no-repeat center / contain;
}

@media (max-width: 720px) {
  .brand-logo { height: 28px; }
  .brand-chip { width: 30px; height: 30px; }
  .brand-chip .brand-logo { height: 22px; }
  .brand { font-size: 16px; }
}

/* 手机端：备案行去掉分隔点，靠间距区分，避免行首出现孤立的「·」 */
@media (max-width: 720px) {
  .footer-legal > span { display: none; }
  .footer-legal { gap: 6px 16px; }
}