/* ============================================================
   中研供应链·中级经济师专题站  —— 白底浅灰 · 无框大气 · 移动端优先
   ============================================================ */
:root{
  --bg:#ffffff;
  --panel:#f4f6f8;
  --panel-2:#eef1f4;
  --line:#e6e9ed;
  --ink:#1f2933;
  --ink-2:#4a5560;
  --muted:#6b7785;
  --brand:#1b3a6b;
  --brand-d:#122952;
  --brand-l:#2f5da8;
  --accent:#e8862f;
  --accent-d:#cf6f1d;
  --accent-soft:#fdf2e8;
  --ok:#1f8a5b;
  --radius:14px;
  --maxw:1200px;
  --shadow:0 8px 24px rgba(20,40,70,.07);
  --shadow-h:0 14px 34px rgba(20,40,70,.13);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 16px;width:100%}
.site-main{min-height:60vh}

/* ---------- 顶部工具条 ---------- */
.topbar{background:var(--brand-d);color:#e8eef7;font-size:13px;position:relative;z-index:60;overflow:hidden}
.topbar::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(232,134,47,.16),transparent 58%);pointer-events:none}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px;gap:10px;flex-wrap:wrap;position:relative}
.topbar-left{display:flex;align-items:center;gap:9px;min-width:0}
.aps-badge{display:inline-flex;align-items:center;gap:5px;background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;font-weight:700;padding:2px 10px;border-radius:20px;white-space:nowrap;font-size:12.5px;box-shadow:0 2px 8px rgba(232,134,47,.32)}
.aps-badge svg{width:12px;height:12px;flex:none}
.aps-no{color:#c3d2e8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12.5px}
.topbar-right{display:flex;align-items:center;gap:7px;white-space:nowrap}
.tb-label{color:#9fb3d1;font-size:12.5px}
.tb-tel{color:#fff;font-weight:700;letter-spacing:.4px;font-size:14.5px}
.tb-tel:hover{color:var(--accent)}

/* ---------- 头部 / 导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(20,40,70,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;position:relative;gap:12px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{width:42px;height:42px;flex:none;border-radius:12px;box-shadow:0 4px 12px rgba(27,58,107,.22)}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-logo{font-size:17.5px;font-weight:800;color:var(--brand);letter-spacing:.3px;white-space:nowrap}
.brand-sub{font-size:11.5px;color:var(--muted);white-space:nowrap}
.nav-toggle{position:absolute;opacity:0;width:1px;height:1px}
.nav-burger{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;cursor:pointer;border-radius:10px;flex:none;transition:.2s}
.nav-burger span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:.25s}
.nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
.nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-burger:hover{background:var(--panel)}
.nav-menu{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-h);max-height:calc(100vh - 66px);overflow-y:auto}
.nav-menu ul{padding:6px 0}
.nav-menu li a{display:block;padding:13px 18px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--panel)}
.nav-menu li.active a{color:var(--brand);font-weight:700;background:var(--accent-soft)}
.nav-menu li.nav-back a{color:var(--accent-d);font-size:14px}
.nav-cta-m{display:block;margin:14px 18px 18px;padding:13px;border-radius:26px;background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;text-align:center;font-weight:700;font-size:15px;box-shadow:0 5px 16px rgba(232,134,47,.28)}
.nav-cta-d{display:none}
.nav-toggle:checked ~ .nav-menu{display:block}

/* ---------- 通用区块 ---------- */
.section{padding:46px 0}
.section-tight{padding:30px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 30px}
.section-head h2{font-size:27px;color:var(--ink);margin-bottom:10px;position:relative;display:inline-block}
.section-head h2::after{content:"";display:block;width:46px;height:3px;background:var(--accent);margin:12px auto 0;border-radius:3px}
.section-head .lead{color:var(--ink-2);font-size:15.5px}
.section-sub{color:var(--muted);font-size:14px;margin-top:6px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:30px;font-weight:700;font-size:15px;transition:.2s;cursor:pointer;border:0}
.btn-gold{background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#2a2410;box-shadow:0 6px 18px rgba(232,134,47,.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,134,47,.4)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-d);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--panel)}

/* ---------- HERO ---------- */
.hero{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-d) 100%);color:#fff;padding:56px 0 60px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(232,134,47,.14)}
.hero-inner{position:relative;z-index:1;max-width:1200px}
.hero .eyebrow{display:inline-block;background:rgba(232,134,47,.18);color:var(--accent);padding:5px 14px;border-radius:20px;font-size:13px;font-weight:700;margin-bottom:16px}
.hero h1{font-size:34px;line-height:1.3;margin-bottom:16px;font-weight:800}
.hero p.hero-sub{font-size:16.5px;color:#d7e7e4;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-tel{display:flex;align-items:center;gap:10px;margin-top:22px;background:rgba(255,255,255,.1);padding:10px 16px;border-radius:12px;width:fit-content}
.hero-tel .lab{font-size:13px;color:#bfe0db}
.hero-tel a{font-size:20px;font-weight:800;color:#fff}
.hero-tel a:hover{color:var(--accent)}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:34px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:16px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--accent)}
.stat span{font-size:13px;color:#cfe3e0}

/* ---------- 特性 / 卡片（无框浅灰） ---------- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.feature{background:var(--panel);border-radius:var(--radius);padding:24px;transition:.2s}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feature .ic{width:46px;height:46px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:14px}
.feature h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.feature p{color:var(--ink-2);font-size:14.5px}

/* 强调条列表 */
.bullets{padding-left:0}
.bullets li{position:relative;padding-left:22px;margin:10px 0;color:var(--ink-2);font-size:15px}
.bullets li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent)}

/* 两栏图文 */
.split{display:grid;gap:24px;align-items:center}
.split .media{background:var(--panel);border-radius:var(--radius);min-height:220px;display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:15px}
.split h2{font-size:25px;margin-bottom:12px}

/* 步骤 */
.steps{counter-reset:s}
.step{display:flex;gap:14px;background:var(--panel);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px}
.step .num{flex:0 0 38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{font-size:16.5px;margin-bottom:4px}
.step p{color:var(--ink-2);font-size:14px}

/* ---------- 文章列表 ---------- */
.news-grid{display:grid;gap:18px;grid-template-columns:1fr}
.post{background:var(--panel);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.post:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.post .thumb{height:150px;background:linear-gradient(135deg,var(--brand),var(--brand-d));display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);font-size:14px;padding:0 16px;text-align:center}
.post .body{padding:18px}
.post .cat{display:inline-block;font-size:12px;color:var(--accent-d);font-weight:700;margin-bottom:6px}
.post h3{font-size:17px;line-height:1.45;margin-bottom:8px;color:var(--ink)}
.post h3 a:hover{color:var(--brand)}
.post .meta{font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.post .excerpt{color:var(--ink-2);font-size:14px;margin-top:8px}

/* 侧栏 */
.layout-2{display:grid;gap:26px;grid-template-columns:1fr}
.sidebar .box{background:var(--panel);border-radius:var(--radius);padding:20px;margin-bottom:18px}
.sidebar .box h4{font-size:16px;margin-bottom:12px;padding-left:10px;border-left:3px solid var(--accent)}
.sidebar .box li{margin:9px 0}
.sidebar .box li a{color:var(--ink-2);font-size:14.5px}
.sidebar .box li a:hover{color:var(--brand)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.pager a,.pager span{padding:8px 14px;border-radius:8px;background:var(--panel);color:var(--ink-2);font-size:14px}
.pager .cur{background:var(--brand);color:#fff}

/* ---------- 文章详情 ---------- */
.article-head{max-width:980px;margin:0 auto;padding:30px 0 8px}
.article-head .cat{color:var(--accent-d);font-weight:700;font-size:13px}
.article-head h1{font-size:30px;line-height:1.35;margin:10px 0 14px}
.article-meta{color:var(--muted);font-size:14px;display:flex;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px}
.article-body{max-width:980px;margin:0 auto;padding:22px 0 10px}
.article-body h2{font-size:23px;margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--accent)}
.article-body h3{font-size:19px;margin:22px 0 10px;color:var(--brand-d)}
.article-body p{margin:14px 0;color:var(--ink-2);font-size:16px}
.article-body ul,.article-body ol{margin:14px 0 14px 4px;padding-left:22px}
.article-body li{margin:8px 0;color:var(--ink-2)}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body strong{color:var(--ink)}
.article-body blockquote{margin:18px 0;padding:14px 18px;background:var(--panel);border-left:4px solid var(--brand);border-radius:0 10px 10px 0;color:var(--ink-2);font-size:15px}
.article-tip{background:var(--panel-2);border-radius:12px;padding:16px 18px;margin:18px 0;font-size:14.5px;color:var(--ink-2)}
.article-tip b{color:var(--brand)}

/* 面包屑 */
.crumbs{font-size:13.5px;color:var(--muted);padding:18px 0 0}
.crumbs a:hover{color:var(--brand)}

/* ---------- FAQ（details 无JS） ---------- */
.faq-list{max-width:980px;margin:0 auto}
.faq-item{background:var(--panel);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 18px;font-size:16.5px;font-weight:600;color:var(--ink);list-style:none;position:relative;padding-right:42px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:14px;font-size:22px;color:var(--brand);font-weight:700}
.faq-item[open] summary::after{content:"\2212"}
.faq-item .ans{padding:0 18px 18px;color:var(--ink-2);font-size:15px}

/* ---------- 表单 ---------- */
.form-wrap{max-width:620px;margin:0 auto;background:var(--panel);border-radius:var(--radius);padding:26px}
.contact-info{max-width:620px;margin:0 auto 22px;background:var(--panel);border-left:4px solid var(--accent);border-radius:12px;padding:20px 22px}
.contact-info h3{font-size:18px;margin-bottom:14px;color:var(--brand)}
.contact-info ul{list-style:none;margin:0;padding:0}
.contact-info li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line)}
.contact-info li:last-child{border-bottom:0}
.ci-ic{flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-top:1px}
.contact-info li b{display:block;font-size:14px;color:var(--ink-2)}
.contact-info li a{color:var(--brand);font-weight:700}
.contact-info li a:hover{color:var(--brand-l)}
.ci-sub{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.ci-tip{font-size:13px;color:var(--muted);margin:12px 0 0}
.field{margin-bottom:16px}
.field label{display:block;font-size:14.5px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus{border-color:var(--brand);outline:none}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:6px}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14.5px}
.alert-ok{background:#e7f6ee;color:#1c6b45;border:1px solid #bfe6cf}
.alert-err{background:#fdecec;color:#a33030;border:1px solid #f3c4c4}

/* ---------- 立即咨询：联系信息 + 留言表单并排 ---------- */
.contact-layout{display:grid;gap:22px;grid-template-columns:1fr;align-items:start}
.contact-layout .contact-info,.contact-layout .form-wrap{max-width:none;margin:0}
@media (min-width:860px){
  .contact-layout{grid-template-columns:1fr 1fr;gap:30px}
}

/* ---------- 报考指南 大气版 ---------- */
.guide-hero{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-d) 100%);color:#fff;position:relative;overflow:hidden;padding:52px 0 56px;margin-bottom:30px}
.guide-hero::after{content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;background:rgba(232,134,47,.14)}
.guide-hero-inner{position:relative;z-index:1}
.guide-hero .crumbs a{color:#cfe3e0}
.guide-hero .crumbs a:hover{color:#fff}
.guide-hero .eyebrow{display:inline-block;background:rgba(232,134,47,.18);color:var(--accent);padding:5px 14px;border-radius:20px;font-size:13px;font-weight:700;margin:14px 0 16px}
.guide-hero h1{font-size:34px;line-height:1.25;font-weight:800;margin-bottom:14px}
.guide-hero p{color:#d7e7e4;font-size:16px;max-width:680px}
.guide-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px;max-width:560px}
.guide-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:16px}
.guide-stat b{display:block;font-size:26px;color:var(--accent)}
.guide-stat span{font-size:13px;color:#cfe3e0}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin:4px 0 26px}
.cat-chip{padding:9px 18px;border-radius:30px;background:var(--panel);color:var(--ink-2);font-size:14.5px;font-weight:600;transition:.2s;border:1px solid var(--line)}
.cat-chip:hover{background:var(--panel-2);color:var(--ink)}
.cat-chip.active{background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#2a2410;border-color:transparent;box-shadow:0 5px 16px rgba(232,134,47,.3)}
.guide-list{display:grid;gap:18px;grid-template-columns:1fr}
.guide-card{display:flex;flex-direction:column;background:var(--panel);border-radius:var(--radius);overflow:hidden;transition:.2s}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.guide-card .thumb{height:172px;background:linear-gradient(135deg,var(--brand),var(--brand-d));display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.9);font-size:15px;padding:0 18px;text-align:center;position:relative}
.guide-card .thumb .badge{position:absolute;left:14px;top:14px;background:rgba(232,134,47,.95);color:#2a2410;font-size:12px;font-weight:700;padding:3px 11px;border-radius:20px}
.guide-card .body{padding:20px}
.guide-card h3{font-size:19px;line-height:1.45;margin-bottom:8px;color:var(--ink)}
.guide-card h3 a:hover{color:var(--brand)}
.guide-card .excerpt{color:var(--ink-2);font-size:14.5px;margin-bottom:12px}
.guide-card .meta{font-size:13px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
@media (min-width:768px){
  .guide-stats{grid-template-columns:repeat(3,1fr)}
  .guide-hero h1{font-size:42px}
}
@media (min-width:900px){
  .guide-list{grid-template-columns:1fr 1fr}
}

/* ---------- 底部 CTA + 页脚 ---------- */
.footer-cta{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;padding:26px 0}
.footer-cta-inner{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-text strong{font-size:18px;display:block;margin-bottom:4px}
.cta-text span{font-size:13.5px;color:#cfe3e0}
.cta-tel{display:inline-flex;align-items:center;gap:12px;background:var(--accent);color:#2a2410;padding:10px 22px;border-radius:30px;font-weight:800}
.cta-tel-num{font-size:20px}
.cta-tel-tag{font-size:13px;font-weight:700}
.cta-tel:hover{transform:translateY(-2px)}

.site-footer{background:#10211f;color:#cdd8d6;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px;padding-bottom:30px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul li{margin:9px 0;font-size:14px}
.footer-col ul li a{color:#bcccc9}
.footer-col ul li a:hover{color:var(--accent)}
.f-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.f-slogan{font-size:14px;color:#9fb3b0;margin-bottom:10px;line-height:1.6}
.f-auth{font-size:13.5px;color:var(--accent);font-weight:600}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;font-size:13.5px;color:#9fb3b0}
.footer-bar-inner{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.icp-link{color:#cdd8d6}
.icp-link:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (min-width:768px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(4,1fr)}
  .split{grid-template-columns:1.1fr 1fr}
  .layout-2{grid-template-columns:1fr 320px}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}
  .footer-bar-inner{flex-direction:row;justify-content:space-between;align-items:center}
  .footer-cta-inner{flex-direction:row;justify-content:space-between;align-items:center}
  .hero h1{font-size:42px}
}
@media (min-width:1024px){
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .section{padding:64px 0}
}
@media (min-width:860px){
  .nav-burger{display:none}
  .nav-menu{display:flex !important;position:static;background:none;box-shadow:none;border:0;top:auto;max-height:none;overflow:visible;align-items:center;margin-left:auto}
  .nav-menu ul{display:flex;gap:2px;padding:0;align-items:center}
  .nav-menu li a{border:0;padding:9px 15px;border-radius:9px;font-size:15px;position:relative;transition:.18s}
  .nav-menu li a:hover{color:var(--brand);background:var(--panel)}
  .nav-menu li.active a{background:none;color:var(--brand);font-weight:700}
  .nav-menu li.active a::after{content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2.5px;background:var(--accent);border-radius:2px}
  .nav-menu li.nav-back{margin-left:6px}
  .nav-cta-m{display:none}
  .nav-cta-d{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:26px;background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;font-weight:700;font-size:14.5px;margin-left:12px;box-shadow:0 5px 16px rgba(232,134,47,.3);transition:.2s;white-space:nowrap}
  .nav-cta-d:hover{transform:translateY(-2px);box-shadow:0 9px 22px rgba(232,134,47,.4);color:#fff}
  .header-inner{height:76px}
}