/* ============================================================
   补习学校择校网 buxi.xazksx.com
   全局样式 — 品牌蓝 #1A66B4 / 橙 #E8710A
   ============================================================ */
:root{
  --blue:#1A66B4; --blue-dark:#0F4478; --blue-light:#E6F1FB;
  --orange:#E8710A; --orange-light:#FDF1E6;
  --bg:#F4F9FE; --card:#FFFFFF; --line:#E5E9F0;
  --text:#1F2937; --muted:#6B7280; --green:#1B7F4B; --green-bg:#EAF3E8;
  --red:#C0392B; --red-bg:#FDECEA; --gold:#B8860B; --gold-bg:#FBF3DC;
  --shadow:0 1px 3px rgba(15,68,120,.06);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:15px;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
ul{list-style:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px;}

/* ---------------- 顶部栏 + 导航 ---------------- */
.topbar{background:var(--blue-dark);color:#fff;font-size:13px;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar a{opacity:.9;}
.topbar a:hover{opacity:1;text-decoration:underline;}
.topbar .slogan{opacity:.8;}
.topbar .top-right{display:flex;gap:18px;}
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;box-shadow:0 1px 6px rgba(15,68,120,.06);}
.header .wrap{display:flex;align-items:center;height:70px;gap:28px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo .logo-mark{width:44px;height:44px;object-fit:contain;flex-shrink:0;}
.logo .logo-text{font-size:20px;font-weight:bold;color:var(--blue-dark);line-height:1.2;}
.logo .logo-text small{display:block;font-size:11px;font-weight:normal;color:var(--muted);letter-spacing:1px;}
.nav{display:flex;gap:4px;margin-left:auto;}
.nav a{padding:8px 14px;border-radius:8px;font-size:15px;color:#374151;font-weight:500;transition:.15s;}
.nav a:hover{background:var(--blue-light);color:var(--blue);}
.nav a.active{background:var(--blue-light);color:var(--blue);font-weight:bold;}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-phone{background:var(--orange);color:#fff;padding:9px 16px;border-radius:9px;font-weight:bold;font-size:14px;display:flex;align-items:center;gap:7px;transition:.15s;}
.btn-phone:hover{background:#D66400;}
.burger{display:none;background:none;border:none;font-size:26px;color:var(--blue-dark);cursor:pointer;padding:4px;}

/* ---------------- 按钮 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:10px;font-size:15px;font-weight:bold;transition:.15s;border:none;cursor:pointer;}
.btn-lg{padding:14px 32px;font-size:16px;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);}
.btn-outline{background:transparent;color:var(--blue);border:2px solid var(--blue);}
.btn-outline:hover{background:var(--blue-light);}
.btn-orange{background:var(--orange);color:#fff;}
.btn-orange:hover{background:#D66400;}

/* ---------------- Hero ---------------- */
.hero{background:url('../img/hero-bg.jpg') center bottom/cover no-repeat;padding:64px 0 56px;position:relative;overflow:hidden;}
.hero .wrap{display:flex;align-items:center;gap:40px;position:relative;z-index:1;}
.hero h1{font-size:40px;line-height:1.3;color:var(--blue-dark);margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero .sub{font-size:16px;color:#4B5563;margin-bottom:28px;max-width:520px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-trust{display:flex;gap:26px;margin-top:32px;color:var(--muted);font-size:13px;}
.hero-trust b{color:var(--blue-dark);font-size:18px;display:block;}
.hero-card{flex-shrink:0;width:340px;margin-left:auto;background:#fff;border-radius:var(--radius);box-shadow:0 10px 30px rgba(15,68,120,.12);padding:24px;border-top:4px solid var(--orange);}
.hero-card h3{font-size:16px;color:var(--blue-dark);margin-bottom:6px;}
.hero-card p{font-size:13px;color:var(--muted);margin-bottom:14px;}
.hero-card .form-row{margin-bottom:10px;}
.hero-card input,.hero-card select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#F9FBFF;}
.hero-card .btn{width:100%;}
.hero-card .privacy{font-size:11px;color:#9CA3AF;text-align:center;margin-top:8px;}

/* ---------------- 区块通用 ---------------- */
.section{padding:52px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;gap:16px;}
.section-title{font-size:26px;color:var(--blue-dark);display:flex;align-items:center;gap:12px;}
.section-title::before{content:"";width:6px;height:26px;border-radius:3px;background:var(--orange);display:inline-block;}
.section-sub{color:var(--muted);font-size:14px;margin-top:4px;}
.more-link{color:var(--blue);font-weight:bold;font-size:14px;white-space:nowrap;}
.more-link:hover{text-decoration:underline;}

/* ---------------- 梯队卡 ---------------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tier-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.2s;}
.tier-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(15,68,120,.1);}
.tier-card .tier-tag{display:inline-block;padding:4px 14px;border-radius:16px;font-size:13px;font-weight:bold;margin-bottom:12px;}
.tier-card h3{font-size:17px;color:var(--blue-dark);margin-bottom:8px;}
.tier-card p{font-size:13.5px;color:var(--muted);margin-bottom:12px;min-height:40px;}
.tier-card .tier-count{font-size:13px;color:var(--blue);font-weight:bold;}
.t1{background:var(--gold-bg);color:var(--gold);}
.t2{background:var(--blue-light);color:var(--blue);}
.t3{background:var(--green-bg);color:var(--green);}

/* ---------------- 学校卡片 ---------------- */
.school-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.school-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column;}
.school-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(15,68,120,.12);}
.school-cover{height:130px;display:flex;align-items:center;justify-content:center;position:relative;color:#fff;}
.school-cover .mark{font-size:46px;font-weight:bold;text-shadow:0 2px 10px rgba(0,0,0,.25);}
.school-cover .tier-flag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--blue-dark);font-size:12px;font-weight:bold;padding:3px 10px;border-radius:12px;}
.school-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.school-body h3{font-size:18px;color:var(--text);margin-bottom:3px;}
.school-body .alias{font-size:12.5px;color:var(--muted);margin-bottom:10px;}
.school-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;}
.school-meta span{background:#F3F6FB;border:1px solid var(--line);color:#4B5563;font-size:12px;padding:2px 9px;border-radius:12px;}
.school-fee{font-size:14px;color:var(--orange);font-weight:bold;margin-bottom:12px;}
.school-fee small{font-weight:normal;color:var(--muted);}
.school-desc{font-size:13.5px;color:var(--muted);margin-bottom:14px;flex:1;}
.school-link{color:var(--blue);font-weight:bold;font-size:14px;}
.school-link:hover{text-decoration:underline;}

/* ---------------- 文章卡片 ---------------- */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);transition:.2s;display:block;}
.post-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(15,68,120,.1);border-color:#C9DCF0;}
.post-card .tag{font-size:12px;color:var(--orange);font-weight:bold;margin-bottom:8px;display:block;}
.post-card h3{font-size:17px;color:var(--blue-dark);margin-bottom:8px;line-height:1.45;}
.post-card p{font-size:13.5px;color:var(--muted);margin-bottom:10px;}
.post-card .meta{font-size:12px;color:#9CA3AF;}

/* ---------------- CTA 咨询盒 ---------------- */
.cta-box{background:linear-gradient(135deg,#0F4478,#1A66B4);border-radius:var(--radius);padding:30px 34px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:44px 0 8px;flex-wrap:wrap;}
.cta-box h3{font-size:20px;margin-bottom:6px;}
.cta-box p{opacity:.85;font-size:14px;}
.cta-box .cta-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}
.cta-box .btn-white{background:#fff;color:var(--blue);}
.cta-box .btn-white:hover{background:var(--blue-light);}
.cta-box .btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff;}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.12);}
.cta-inline{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;display:flex;align-items:center;gap:18px;margin:28px 0;box-shadow:var(--shadow);flex-wrap:wrap;}
.cta-inline .wx-qr{width:84px;height:84px;background:#F3F6FB;border:1px dashed #B9CCE2;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted);flex-shrink:0;}
.cta-inline .wx-qr-img{width:84px;height:84px;object-fit:contain;border-radius:8px;border:1px solid var(--line);background:#fff;flex-shrink:0;}
.cta-inline h4{font-size:16px;color:var(--blue-dark);margin-bottom:4px;}
.cta-inline p{font-size:13px;color:var(--muted);}
.cta-inline .btn{margin-left:auto;flex-shrink:0;}

/* ---------------- Footer ---------------- */
.footer{background:var(--blue-dark);color:#CBD9EA;padding:46px 0 70px;margin-top:60px;}
.footer .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer a{display:block;padding:4px 0;font-size:13.5px;color:#A8BFD8;}
.footer a:hover{color:#fff;}
.footer .f-about{font-size:13.5px;line-height:1.9;}
.footer .f-logo{font-size:20px;font-weight:bold;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.footer .f-logo .logo-mark{width:34px;height:34px;object-fit:contain;flex-shrink:0;}
.footer .copyright{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin-top:8px;font-size:12.5px;color:#8FA8C2;text-align:center;}

/* ---------------- 移动端悬浮咨询栏 ---------------- */
.mobile-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:none;z-index:200;box-shadow:0 -2px 12px rgba(15,68,120,.1);}
.mobile-bar .wrap{display:flex;gap:10px;padding:10px 16px;}
.mobile-bar a{flex:1;padding:12px;border-radius:10px;text-align:center;font-size:14px;font-weight:bold;}
.mobile-bar .mb-tel{background:var(--orange);color:#fff;}
.mobile-bar .mb-wx{background:var(--blue);color:#fff;}

/* ---------------- 面包屑 ---------------- */
.crumbs{background:#fff;border-bottom:1px solid var(--line);padding:14px 0;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--blue);}
.crumbs a:hover{text-decoration:underline;}
.crumbs .sep{margin:0 8px;color:#C4D0DE;}

/* ---------------- 页面头部 ---------------- */
.page-head{background:linear-gradient(135deg,#0F4478,#1A66B4);color:#fff;padding:44px 0;}
.page-head h1{font-size:30px;margin-bottom:8px;}
.page-head p{opacity:.85;font-size:15px;max-width:640px;}

/* ---------------- 筛选器 ---------------- */
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:24px 0;box-shadow:var(--shadow);}
.filters .f-row{display:flex;gap:10px;flex-wrap:wrap;}
.filters .f-group{display:flex;align-items:center;gap:8px;}
.filters .f-label{font-size:13px;color:var(--muted);font-weight:bold;}
.filters select{padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#F9FBFF;color:var(--text);}
.filters .f-tabs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.filters .f-tab{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border:1px solid var(--line);background:#F9FBFF;color:#374151;font-size:14px;border-radius:8px;cursor:pointer;transition:.15s;font-family:inherit;white-space:nowrap;}
.filters .f-tab:hover{border-color:var(--blue);color:var(--blue);background:#fff;}
.filters .f-tab.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:bold;}

/* ---------------- 详情页布局 ---------------- */
.detail-layout{display:grid;grid-template-columns:1fr 320px;gap:28px;margin-top:28px;align-items:start;}
.detail-main{min-width:0;}
.detail-side{position:sticky;top:90px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px;box-shadow:var(--shadow);}
.side-card h3{font-size:16px;color:var(--blue-dark);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.side-card .fee-big{font-size:26px;font-weight:bold;color:var(--orange);}
.side-card .fee-big small{font-size:14px;color:var(--muted);font-weight:normal;}
.side-card .info-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed #EEF2F8;font-size:14px;}
.side-card .info-row:last-child{border-bottom:none;}
.side-card .info-row .k{color:var(--muted);}
.side-card .info-row .v{font-weight:bold;color:var(--text);text-align:right;}
.side-card .btn{width:100%;margin-top:6px;}

/* ---------------- 学校详情 ---------------- */
.school-hero{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:28px;}
.school-hero .cover{height:170px;display:flex;align-items:center;justify-content:center;color:#fff;position:relative;}
.school-hero .cover .mark{font-size:70px;font-weight:bold;text-shadow:0 3px 14px rgba(0,0,0,.3);}
.school-hero .info{padding:24px 28px;}
.school-hero h1{font-size:26px;color:var(--blue-dark);margin-bottom:4px;}
.school-hero .alias{color:var(--muted);font-size:14px;margin-bottom:12px;}
.school-hero .chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.school-hero .chips span{background:#F3F6FB;border:1px solid var(--line);padding:4px 13px;border-radius:14px;font-size:13px;color:#4B5563;}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;box-shadow:var(--shadow);}
.article-body h2{font-size:21px;color:var(--blue-dark);margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--orange);}
.article-body h3{font-size:17px;color:var(--blue-dark);margin:22px 0 10px;}
.article-body p{margin-bottom:14px;}
.article-body ul,.article-body ol{margin:0 0 14px 22px;}
.article-body li{margin-bottom:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;}
.article-body th{background:var(--blue-light);color:var(--blue-dark);text-align:left;padding:10px 12px;border:1px solid var(--line);}
.article-body td{padding:10px 12px;border:1px solid var(--line);}
.article-body .note{background:#F9FBFF;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:8px;padding:14px 16px;font-size:14px;color:#4B5563;margin:16px 0;}
.article-body .warn{background:var(--red-bg);border:1px solid #F3CDCA;border-left:4px solid var(--red);border-radius:8px;padding:14px 16px;font-size:14px;color:#8C3A30;margin:16px 0;}
.article-body .good{background:var(--green-bg);border:1px solid #CDE4D2;border-left:4px solid var(--green);border-radius:8px;padding:14px 16px;font-size:14px;color:#165C3A;margin:16px 0;}
.pros-cons{display:block;margin:16px 0;}
.pros,.cons{border-radius:10px;padding:18px 22px;font-size:14.5px;}
.pros{background:var(--green-bg);border:1px solid #CDE4D2;border-left:4px solid var(--green);box-shadow:0 2px 10px rgba(22,92,58,.06);}
.cons{background:var(--red-bg);border:1px solid #F3CDCA;}
.pros h4{color:var(--green);margin-bottom:10px;font-size:16px;font-weight:700;}
.cons h4{color:var(--red);margin-bottom:8px;}
.pros li,.cons li{padding:4px 0 4px 18px;position:relative;}
.pros li::before{content:"✔";position:absolute;left:0;color:var(--green);}
.cons li::before{content:"✘";position:absolute;left:0;color:var(--red);}

/* ---------------- 文章页 ---------------- */
.post-hero{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;margin-top:28px;box-shadow:var(--shadow);}
.post-hero h1{font-size:27px;color:var(--blue-dark);line-height:1.4;margin-bottom:10px;}
.post-hero .meta{display:flex;gap:18px;color:var(--muted);font-size:13px;flex-wrap:wrap;}
.post-hero .meta .tag{color:var(--orange);font-weight:bold;}

/* ---------------- 标签 ---------------- */
.tag-chip{display:inline-block;background:var(--orange-light);color:var(--orange);padding:3px 12px;border-radius:12px;font-size:12px;font-weight:bold;}

/* ---------------- 对比表 ---------------- */
.compare-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;box-shadow:var(--shadow);border-radius:10px;overflow:hidden;}
.compare-table th,.compare-table td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top;}
.compare-table thead th{background:var(--blue);color:#fff;}
.compare-table tbody tr:nth-child(even){background:#F8FAFD;}
.compare-table td:first-child{font-weight:bold;color:var(--blue-dark);width:130px;}
.compare-table .rec{background:var(--green-bg) !important;}

/* ---------------- 关于页 ---------------- */
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px;}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center;}
.about-card .icon{font-size:34px;margin-bottom:10px;}
.about-card h3{color:var(--blue-dark);font-size:17px;margin-bottom:8px;}
.about-card p{font-size:13.5px;color:var(--muted);}

/* ---------------- 响应式 ---------------- */
@media (max-width:960px){
  .tier-grid,.school-grid,.about-grid{grid-template-columns:repeat(2,1fr);}
  .hero h1{font-size:32px;}
  .hero-card{width:100%;margin-top:24px;}
  .hero .wrap{flex-direction:column;align-items:stretch;}
  .detail-layout{grid-template-columns:1fr;}
  .detail-side{position:static;}
  .footer .wrap{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px rgba(15,68,120,.1);}
  .nav.open{display:flex;}
  .nav a{padding:12px 14px;border-radius:8px;}
  .nav a:hover{background:var(--blue-light);}
  .burger{display:block;}
  .header-cta .btn-phone span.tel-text{display:none;}
  .tier-grid,.school-grid,.post-grid,.about-grid{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
  .hero h1{font-size:27px;}
  .hero{padding:40px 0;}
  .topbar .slogan{display:none;}
  .mobile-bar{display:block;}
  .footer{padding-bottom:90px;}
  .footer .wrap{grid-template-columns:1fr;}
  .article-body{padding:22px 20px;}
  .cta-box{padding:24px 22px;}
}