/* ==========================================================================
   排课易 — 全站响应式样式
   主色 #2563EB / 强调 #F97316（参考托管易营销落地页风格）
   ========================================================================== */

:root {
  --primary: #2563EB;
  --primary-light: #3B82F6;--blue: #2563EB;
  --primary-dark: #1D4ED8;
  --accent: #F97316;
  --accent-dark: #EA580C;
  --green: #10B981;
  --text: #1F2937;
  --text-sub: #64748B;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --border: #E2E8F0;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow: 0 4px 16px rgba(37,99,235,.10);
  --shadow-lg: 0 12px 40px rgba(37,99,235,.16);
  --container: 1200px;
  --font-title: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-title);
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
  font-size: 16px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* 可访问性：跳转链接 */
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--primary); color: #fff;
  padding: 10px 16px; z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ========== 顶部导航 ========== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--primary); }
.brand .logo {
  width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 18px; flex: none;
}
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block; padding: 8px 14px; font-size: 15px; font-weight: 500; color: var(--text); border-radius: 8px;
}
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: var(--primary); background: rgba(37,99,235,.06); }
.has-sub > a::after { content: "▾"; margin-left: 4px; font-size: 11px; color: var(--text-sub); }
.dropdown {
  position: absolute; top: 100%; left: 0;
  display: flex; flex-wrap: wrap; gap: 4px 22px; padding: 16px 18px;
  width: max-content; max-width: min(660px, calc(100vw - 56px));
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: .2s;
}
.nav-menu > li:hover .dropdown, .nav-menu > li:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-col { min-width: 150px; }
.dropdown a { display: block; padding: 7px 10px; font-size: 14px; color: var(--text); border-radius: 7px; white-space: nowrap; }
.dropdown a:hover { background: var(--bg-alt); color: var(--primary); }
.dropdown .group-title { font-size: 12px; font-weight: 700; color: var(--text-sub); padding: 0 0 8px; margin: 0 0 6px; border-bottom: 1px solid var(--border); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; font-size: 26px; color: var(--primary); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 24px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: 0; transition: .2s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(249,115,22,.35); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.promo-banner { background: linear-gradient(135deg,#fff7ed,#ffedd5); border: 1px solid #fed7aa; color: #c2410c; text-align: center; padding: 16px 20px; border-radius: 12px; font-size: 16px; font-weight: 600; margin-bottom: 28px; }
.promo-banner b { font-size: 20px; color: #ea580c; }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-light); color: #fff; }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* ========== 面包屑 ========== */
.breadcrumb { font-size: 13px; color: var(--text-sub); padding: 16px 0 0; }
.breadcrumb a { color: var(--text-sub); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ========== Hero ========== */
.hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 50%, #FFFFFF 100%);
  color: var(--text); padding: 72px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(249,115,22,.10), transparent 70%); border-radius: 50%;
}
.hero::after {
  content: ""; position: absolute; left: -80px; bottom: -160px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(37,99,235,.10), transparent 70%); border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.hero .badge {
  display: inline-block; background: rgba(37,99,235,.10); color: var(--primary);
  font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 20px; margin-bottom: 20px;
}
.hero h1 { font-size: 40px; line-height: 1.25; font-weight: 800; margin-bottom: 20px; color: var(--text); }
.hero h1 .hl { color: var(--primary); }
.hero .lead { font-size: 18px; color: var(--text-sub); max-width: 680px; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 22px; font-size: 13px; color: var(--text-sub); }
.hero-trust strong { color: var(--primary); }

/* 数据条 */
.trust-bar { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-top: -44px; position: relative; z-index: 5; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 26px 20px; text-align: center; border-right: 1px solid var(--border); }
.trust-item:last-child { border-right: 0; }
.trust-item .num { font-size: 30px; font-weight: 800; color: var(--primary); }
.trust-item .num .unit { font-size: 16px; font-weight: 700; }
.trust-item .label { font-size: 14px; color: var(--text-sub); margin-top: 4px; }

/* ========== 通用区块 ========== */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 32px; }
.sec-head h2 { font-size: 30px; font-weight: 800; color: var(--text); margin-bottom: 12px; }
.sec-head p { color: var(--text-sub); font-size: 16px; }
.section-title { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.section-desc { color: var(--text-sub); margin-bottom: 32px; }

/* 卡片网格 */
.grid { display: grid; gap: 24px; }
.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(--border); border-radius: var(--radius);
  padding: 28px; transition: .25s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon {
  width: 46px; height: 46px; border-radius: 10px; background: rgba(37,99,235,.08);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px; color: var(--primary);
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--text-sub); font-size: 14.5px; flex: 1; }
.card .more { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--primary); }

/* 首页「更多细分行业」折叠块 */
.industry-more { margin-top: 24px; text-align: center; }
.industry-more summary {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-weight: 600; color: var(--primary); font-size: 15px; padding: 11px 24px;
  border: 1px solid var(--border); border-radius: 999px; background: #fff;
  transition: .2s; list-style: none; user-select: none;
}
.industry-more summary::-webkit-details-marker { display: none; }
.industry-more summary::after { content: "▾"; transition: .2s; }
.industry-more[open] summary::after { transform: rotate(180deg); }
.industry-more summary:hover { border-color: var(--primary); color: var(--primary-light); }
.industry-cloud {
  margin-top: 20px; display: flex; flex-direction: column; gap: 16px;
  text-align: left; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
}
.cloud-group { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.cloud-title { flex: none; font-weight: 700; color: var(--text); font-size: 14px; width: 72px; }
.cloud-group a {
  color: var(--text-sub); font-size: 14px; padding: 5px 12px; border-radius: 20px;
  background: var(--bg-alt); border: 1px solid var(--border); transition: .15s;
}
.cloud-group a:hover { color: var(--primary); border-color: var(--primary); background: #fff; }

/* 痛点 → 结果 */
.pain-result { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 8px; }
.pain-result .pain { background: #FEF2F2; color: #B91C1C; padding: 6px 14px; border-radius: 20px; font-size: 14px; }
.pain-result .arrow { color: var(--text-sub); font-weight: 700; }
.pain-result .result { background: #ECFDF5; color: #047857; padding: 6px 14px; border-radius: 20px; font-size: 14px; font-weight: 600; }

/* 对比表格 */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare-table th, .compare-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table thead th { background: var(--primary); color: #fff; font-size: 15px; }
.compare-table thead th:first-child { border-radius: 0; }
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table td:first-child { font-weight: 600; color: var(--text); background: var(--bg-alt); width: 140px; }
.compare-table .before { color: var(--text-sub); }
.compare-table .after { color: #047857; font-weight: 600; }

/* FAQ */
.faq-item { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 18px 20px; font-size: 16px; font-weight: 600; color: var(--text);
  display: flex; justify-content: space-between; align-items: center; font-family: var(--font-title);
}
.faq-q .toggle { color: var(--primary); font-size: 20px; transition: .2s; flex: none; margin-left: 12px; }
.faq-item.open .faq-q .toggle { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 20px 20px; color: var(--text-sub); font-size: 15px; }

/* 痛点卡片 */
.pain-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.pain-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 20px; display: flex; gap: 14px; align-items: flex-start; }
.pain-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.pain-num { font-size: 24px; font-weight: 800; color: var(--accent); line-height: 1; flex: none; font-family: var(--font-title); }
.pain-emoji { font-size: 28px; line-height: 1; flex: none; }
.pain-card p { color: var(--text-sub); font-size: 14.5px; }

/* 解决方案总览 */
.solution-box { background: var(--bg-alt); border-left: 4px solid var(--accent); border-radius: 10px; padding: 30px; font-size: 16px; color: var(--text); line-height: 1.9; }

/* 细分场景标签 */
.tag-list { display: flex; flex-wrap: wrap; gap: 12px; }
.tag { background: rgba(37,99,235,.06); color: var(--primary); padding: 10px 20px; border-radius: 24px; font-size: 14.5px; font-weight: 500; transition: .2s; }
.tag:hover { background: var(--primary); color: #fff; }

/* 证言 */
.testimonial { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.testimonial .quote { font-size: 15px; color: var(--text); margin-bottom: 16px; }
.testimonial .who { font-size: 13px; color: var(--text-sub); }
.testimonial .who b { color: var(--text); }

/* 转化表单区 */
.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; border-radius: 20px; padding: 48px; position: relative; overflow: hidden; }
.cta-section h2 { font-size: 28px; margin-bottom: 10px; }
.cta-section p { color: rgba(255,255,255,.85); margin-bottom: 28px; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-grid textarea { grid-column: 1 / -1; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; padding: 13px 16px; border-radius: 10px; border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.1); color: #fff; font-size: 15px; font-family: var(--font-title);
}
.form-grid input::placeholder, .form-grid textarea::placeholder { color: rgba(255,255,255,.6); }
.form-grid select option { color: var(--text); }
.form-grid select { color: #fff; }
.form-note { margin-top: 12px; font-size: 12px; color: rgba(255,255,255,.6); }

/* 页脚 */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.75); padding: 56px 0 0; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,.65); font-size: 14px; padding: 4px 0; }
.footer-col a:hover { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; font-size: 13px; text-align: center; color: rgba(255,255,255,.5); }

/* 悬浮咨询 */
.float-bar { position: fixed; right: 18px; bottom: 60px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
.float-bar > a {
  width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 22px; box-shadow: var(--shadow); transition: .2s; color: #fff;
}
.float-phone { background: var(--accent); }
.float-wechat { background: #07C160; }
.float-top { background: var(--primary); opacity: .85; }
.float-bar > a:hover { transform: translateY(-3px); }
/* 悬浮咨询：电话/微信弹出层 默认隐藏，鼠标移上（或键盘聚焦、移动端点击）才显示 */
.float-phone, .float-wechat { position: relative; }
.fc-tel-pop, .fc-wx-pop {
  position: absolute; right: 58px; bottom: -4px;
  opacity: 0; visibility: hidden; transform: translateX(10px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
  pointer-events: none; z-index: 2;
}
.float-phone:hover .fc-tel-pop, .float-phone:focus .fc-tel-pop,
.float-wechat:hover .fc-wx-pop, .float-wechat:focus .fc-wx-pop {
  opacity: 1; visibility: visible; transform: translateX(0); pointer-events: auto;
}
.fc-tel-card, .fc-wx-card {
  background: #fff; color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: 0 12px 32px rgba(15,23,42,.18);
  padding: 12px 16px; text-align: center; white-space: nowrap; line-height: 1.5;
}
.fc-tel-pop::after, .fc-wx-pop::after {
  content: ''; position: absolute; right: -6px; bottom: 16px; width: 12px; height: 12px;
  background: #fff; border-left: 1px solid var(--border); border-top: 1px solid var(--border);
  transform: rotate(45deg);
}
.fc-tel-pop a, .fc-tel-pop a:hover { color: inherit; text-decoration: none;}
.fc-tel-tip { display: block; font-size: 12px; color: var(--text-sub); }
.fc-tel-num { display: block; font-size: 18px; font-weight: 700; color: var(--accent);}
.fc-tel-num:hover { color: var(--accent-dark);}
.fc-wx-card img { width: 120px; height: 120px; margin: 0 auto 6px;}
.fc-wx-card p { font-size: 12px; color: var(--text-sub); }
@media (max-width: 768px) {
  .fc-tel-pop, .fc-wx-pop { right: 54px; }
  .fc-wx-card img { width: 104px; height: 104px; }
}

/* 悬浮咨询 修正补丁：兼容弹出层被浏览器拆成按钮同级 */
.float-bar > .fc-tel-pop { top: 2px; bottom: auto; right: 52px; padding-right: 8px; }
.float-bar > .fc-wx-pop { top: 64px; bottom: auto; right: 52px; padding-right: 8px; }
.float-phone:hover + .fc-tel-pop, .float-phone:focus + .fc-tel-pop,
.float-phone:hover ~ .fc-tel-pop, .float-phone:focus ~ .fc-tel-pop,
.float-wechat:hover + .fc-wx-pop, .float-wechat:focus + .fc-wx-pop,
.float-wechat:hover ~ .fc-wx-pop, .float-wechat:focus ~ .fc-wx-pop {
  opacity: 1; visibility: visible; transform: translateX(0); pointer-events: auto;
}
/* 电话弹层里的小三角对齐到电话按钮 */
.float-bar > .fc-tel-pop::after { bottom: auto; top: 21px; }
.float-bar > .fc-wx-pop::after { bottom: auto; top: 23px; }
/* 鼠标从按钮移入卡片时保持可见（弹层与按钮之间用透明内边距桥接） */
.fc-tel-pop:hover, .fc-wx-pop:hover { opacity: 1; visibility: visible; transform: translateX(0); pointer-events: auto; }
/* 号码颜色/字号被 .float-bar a 覆盖，提高特异度 */
.fc-tel-pop .fc-tel-tip { font-size: 12px; color: var(--text-sub); }
.fc-tel-pop .fc-tel-num, .fc-tel-pop a.fc-tel-num { color: var(--accent); font-size: 18px; font-weight: 700; line-height: 1.5; }
.fc-tel-pop .fc-tel-num:hover, .fc-tel-pop a.fc-tel-num:hover { color: var(--accent-dark); }
/* 二维码防被全局 img{max-width:100%} 压缩变形 */
.fc-wx-card img { width: 120px; height: 120px; max-width: none; object-fit: contain; }
@media (max-width: 768px) {
  .float-bar > .fc-tel-pop { right: 54px; }
  .float-bar > .fc-wx-pop { right: 54px; }
  .fc-wx-card img { width: 104px; height: 104px; max-width: none; }
}

/* 响应式 */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 30px; }
  .hero .lead { font-size: 16px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .form-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 32px 22px; }
  .section { padding: 44px 0; }

  /* 移动端导航 */
  .nav-menu {
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: #fff;
    flex-direction: column; align-items: stretch; padding: 16px; gap: 2px;
    transform: translateX(100%); transition: .25s; overflow-y: auto;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu > li > a { padding: 14px; font-size: 16px; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 14px; min-width: 0; max-height: none; overflow: visible; display: block; width: auto; }
  .dropdown-col { min-width: 0; margin-bottom: 10px; }
  .dropdown .group-title { border-bottom: 0; margin-bottom: 2px; }
  .nav-toggle { display: block; }
  .nav-cta .btn { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .float-bar { bottom: 40px; right: 12px; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--border); }
  .trust-item:last-child { border-bottom: 0; }
  .hero { padding: 48px 0 56px; }
  .hero h1 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ========== 三大核心引擎 ========== */
.engine-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.engine-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; transition: .25s; }
.engine-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.engine-card .engine-icon { font-size: 40px; margin-bottom: 14px; }
.engine-card h3 { font-size: 20px; margin-bottom: 6px; }
.engine-card .engine-tag { color: var(--text-sub); font-size: 14px; margin-bottom: 18px; }
.engine-card ul { display: flex; flex-direction: column; gap: 8px; }
.engine-card ul a { display: flex; justify-content: space-between; align-items: center; color: var(--text); font-size: 14.5px; padding: 9px 12px; border-radius: 8px; background: var(--bg-alt); transition: .15s; }
.engine-card ul a:hover { background: rgba(37,99,235,.08); color: var(--primary); }
.engine-card ul a .arrow { color: var(--primary); font-weight: 700; }

/* ========== 业务流程 ========== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 22px; text-align: center; }
.step .step-icon { font-size: 30px; margin-bottom: 6px; }
.step .step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; margin-bottom: 12px; }
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--text-sub); font-size: 13.5px; line-height: 1.6; }

/* ========== 星级证言 ========== */
.stars { color: var(--accent); letter-spacing: 2px; font-size: 16px; margin-bottom: 10px; }

/* ========== 底部 SEO 段落 ========== */
.seo-para { color: var(--text-sub); font-size: 14px; line-height: 2; max-width: 920px; margin: 0 auto; text-align: center; }

/* ========== 新组件响应式 ========== */
@media (max-width: 992px) {
  .engine-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
}

/* ========== 文章页（articles/） ========== */
.article { max-width: 860px; margin: 0 auto; padding: 48px 20px; }
.article-head { margin-bottom: 32px; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
.article-head h1 { font-size: 28px; line-height: 1.4; margin-bottom: 12px; }
.article-meta { color: var(--text-sub); font-size: 14px; }
.article-body .article-sec { margin-bottom: 28px; }
.article-body h2 { font-size: 20px; margin-bottom: 10px; }
.article-body p { font-size: 15px; line-height: 1.9; color: #374151; }
.article-cta { margin: 32px 0; }

/* ========== 完整文案组件（总文档深度页，尽量保留完整文案） ========== */
.vp-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px 24px; margin: 22px 0 0; text-align: left; }
.vp-list li { position: relative; padding-left: 26px; color: #1F2937; font-size: 15px; line-height: 1.7; }
.vp-list li::before { content: '\2713'; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 700; }

.stat-pills { display: flex; flex-wrap: wrap; gap: 10px; padding: 18px 0; }
.stat-pill { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 8px 15px; font-size: 14px; color: var(--text); box-shadow: var(--shadow-sm); }
.stat-pill::before { content: '\1F4CA  '; }

.pain-grid-full { grid-template-columns: repeat(2, 1fr); }
.pain-grid-full .pain-card { padding: 22px 24px; }
.pain-body b { color: var(--primary); font-size: 15px; display: block; margin-bottom: 6px; }
.pain-body p { margin: 0; }

.check-list { list-style: none; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 36px; }
.check-list li { position: relative; padding: 8px 0 8px 30px; font-size: 15.5px; line-height: 1.8; }
.check-list li::before { content: '\2705'; position: absolute; left: 0; top: 9px; font-size: 14px; }

.module-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.module-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm); }
.module-item h3 { font-size: 16.5px; margin-bottom: 10px; color: var(--text); }
.module-item h3::before { content: '◆ '; color: var(--accent); }
.module-item p { font-size: 14.5px; color: var(--text-sub); line-height: 1.8; }
.module-item .chips { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-block; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; font-size: 13px; color: var(--text-sub); }
.chip-fit { background: #EFF6FF; border-color: #BFDBFE; color: #1D4ED8; }
.chip-result { background: #F0FDF4; border-color: #BBF7D0; color: #16A34A; }

/* FAQ 两栏（桌面） */
.faq-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; align-items: start; }
.faq-list .faq-item { margin-bottom: 0; }

@media (max-width: 768px) {
  .module-list { grid-template-columns: 1fr; }
  .vp-list { grid-template-columns: 1fr; }
  .pain-grid-full { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: 1fr; }
}

.bridge-box { background: linear-gradient(135deg, #EFF6FF, #F0F9FF); border: 1px solid #BFDBFE; border-radius: var(--radius); padding: 26px 30px; font-size: 16px; line-height: 1.9; color: #1E40AF; text-align: center; max-width: 860px; margin: 0 auto; }

/* ========== 使用流程 / 客户案例 / 适用行业 ========== */
.flow-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.flow-step { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; font-size: 14.5px; color: var(--text); }
.flow-num { width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.flow-step + .flow-step::before { content: '→'; color: var(--accent); font-weight: 700; margin-right: 10px; }

.case-box { background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 26px 30px; max-width: 860px; }
.case-box p { font-size: 16px; line-height: 1.9; color: var(--text); }

.subs-row { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 12px; }
.subs-row:last-child { margin-bottom: 0; }
.subs-label { flex-shrink: 0; font-weight: 700; color: var(--primary); font-size: 14px; padding-top: 4px; min-width: 64px; }
.subs-row .tag-list { margin: 0; }

/* ========== 差异化优势（紧凑双栏） ========== */
.adv-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
.adv-item { display: flex; gap: 10px; align-items: flex-start; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 13px 16px; }
.adv-ico { font-size: 16px; line-height: 1.5; flex: none; }
.adv-body b { font-size: 15px; color: var(--text); display: block; line-height: 1.5; }
.adv-body p { font-size: 13.5px; color: var(--text-sub); line-height: 1.6; margin: 2px 0 0; }
@media (max-width: 768px) {
  .adv-list { grid-template-columns: 1fr; }
}

/* ========== 修复：导航隐藏下拉面板把页面顶出横向滚动条 ========== */
/* clip 不创建滚动容器，.site-header 的 position:sticky 仍然有效（hidden 会破坏粘性定位） */
body { overflow-x: clip; }
@supports not (overflow-x: clip) { body { overflow-x: hidden; } }
/* 靠右的“行业方案/应用场景/适用角色”面板改为右对齐，向左侧展开，不再越过视口右边缘 */
.nav-menu > li:nth-child(4) > .dropdown, .nav-menu > li:nth-child(5) > .dropdown { left: auto; right: 0; }
/* 中等宽度屏下面板最多占满视口减去左右留白，避免被裁切 */
@media (min-width: 769px) and (max-width: 1180px) {
  .dropdown { max-width: min(620px, calc(100vw - 48px)); }
  .dropdown-col { min-width: 132px; }
}
/* 分页器 */

#pages {
  margin: 3rem auto;
  text-align: center;
  overflow-x: auto;
  white-space: nowrap;
  font-size: 1.4rem;
}

#pages a,
#pages span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 3rem;
  padding: 1rem;  
  border: 1px solid #eee;
  color: #666;
  transition: all 0.3s ease;
}

#pages .a1 {
  background-color: #fff;
}

#pages span {
  background:linear-gradient(135deg, var(--primary), var(--blue));;
  color: white;
  border-color: transparent;
}

#pages a:hover {
  background: linear-gradient(135deg, var(--primary), var(--blue));;
  color: white;
  border-color: var(--grad);
}
.page-head{padding:56px 0 20px;text-align:center}
  .page-head h1{font-size:34px;font-weight:900}
  .page-head p{color:var(--muted);margin-top:10px}

/* =========================================================
 * 20261105 详情页(header_show.html / show.html)缺失样式
 * 从 招生易网站源码 css/style.css 搬入, 只追加不修改上方原有规则
 * ========================================================= */
/* 部署版 :root 没有的 6 个变量, 只挂在这批组件根元素上, 不进 :root, 避免影响其它页面 */
.page-hero, .trust-row, .section-head, .eyebrow, .seo-articles, .article-grid, .article-card, .prose {
  --bg-blue:#eef3fa;--line:#e6ebf2;--text-soft:#4b5563;--muted:#7b8794;--shadow-md:0 6px 20px rgba(15, 40, 70, 0.10);--bg-soft:#f5f8fc;
}
.page-hero {background:
    radial-gradient(1200px 400px at 15% -10%, rgba(59, 124, 191, 0.18), transparent 60%),
    radial-gradient(900px 400px at 85% 0%, rgba(255, 122, 60, 0.14), transparent 60%),
    linear-gradient(180deg, var(--bg-blue), var(--bg));
  padding: 52px 0 44px;
  border-bottom: 1px solid var(--line);}
.page-hero h1 {font-size: clamp(26px, 4vw, 38px); font-weight: 800; color: var(--primary); line-height: 1.25; letter-spacing: -0.5px; margin-bottom: 14px;}
.page-hero .lead {font-size: 17px; color: var(--text-soft); max-width: 760px; margin-bottom: 20px;}
.trust-row {display: flex; gap: 22px; flex-wrap: wrap; margin-top: 22px; color: var(--muted); font-size: 13.5px;}
.trust-row b {color: var(--primary);}
.section-head {max-width: 720px; margin-bottom: 28px;}
.section-head h2 {font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--primary); letter-spacing: -0.5px; margin-bottom: 10px;}
.section-head p {color: var(--text-soft); font-size: 16px;}
.eyebrow {display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px;}
.seo-articles {background: var(--bg-soft);}
.article-grid {display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;}
.article-card {display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); transition: .18s;}
.article-card:hover {box-shadow: var(--shadow-md); transform: translateY(-3px);}
.article-card .cat {font-size: 12px; font-weight: 700; color: var(--accent); margin-bottom: 8px;}
.article-card h3 {font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.45; margin-bottom: 8px;}
.article-card h3 a {color: inherit;}
.article-card h3 a:hover {color: var(--blue);}
.article-card .ex {font-size: 13.8px; color: var(--text-soft); flex: 1; margin-bottom: 12px;}
.article-card .meta {font-size: 12.5px; color: var(--muted); display: flex; gap: 12px;}
@media (max-width: 900px) {
  .article-grid {grid-template-columns: repeat(2, 1fr);}
}
@media (max-width: 640px) {
  .article-grid {grid-template-columns: 1fr;}
}
.prose {max-width: 820px;}
.prose h2 {font-size: 21px; font-weight: 800; color: var(--primary); margin: 24px 0 10px;}
.prose h3 {font-size: 17px; font-weight: 700; color: var(--text); margin: 16px 0 8px;}
.prose p {color: var(--text-soft); margin-bottom: 12px;}
.prose ol, .prose ul {margin: 0 0 12px 22px; color: var(--text-soft);}
.prose li {margin-bottom: 6px;}
.prose .lead {font-size: 17px; color: var(--text-soft); line-height: 1.8;}
/* 这两个是 bootstrap 工具类, 详情页在用但两份 style.css 都没定义, 从本站 bootstrap.min.css 原样搬 */
.d-inline-block{display:inline-block!important}
.text-decoration-none{text-decoration:none!important}