/* =========================================================
   中研供应链 · 六西格玛学院 — 页面补充样式
   ========================================================= */

/* ---------- 通用按钮 ---------- */
.btn-block{display:flex;width:100%}
.btn-white{background:#fff;color:var(--ink);padding:14px 34px}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(11,46,46,.22)}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 联系区块 ---------- */
.cta-section{padding:72px 0 0}
.contact-section{padding:72px 0 90px;background:var(--white)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
.contact-info h3{font-size:21px;margin-bottom:12px}
.contact-info>p{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.contact-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text);align-items:center}
.contact-list .ci{width:34px;height:34px;flex:none;border-radius:9px;background:#EEF4F1;color:var(--ink-2);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.contact-list a{color:var(--ink-2);font-weight:700}
.mini-note{margin-top:22px;background:#FBF3E9;border:1px solid #F2DFC4;border-radius:12px;padding:16px 18px}
.mini-note b{color:var(--accent);font-size:14px}
.mini-note p{font-size:13px;color:var(--muted);margin-top:4px}
.contact-form{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-size:14.5px;font-family:var(--font-sans);outline:none;background:#fff;margin-bottom:14px}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--ink-3)}
.contact-form textarea{resize:vertical;min-height:96px}
.form-ok,.form-err{display:none}

/* ---------- 课程详情页 ---------- */
.course-hero{background:linear-gradient(120deg,#0B2E2E,#0E3B3B 55%,#1B5E5A);color:#fff;padding:74px 0 84px;position:relative;overflow:hidden}
.course-hero::after{content:"\03C3";position:absolute;right:-40px;top:-90px;font-size:380px;font-family:var(--font-serif);color:rgba(255,255,255,.05);font-weight:900}
.course-hero .container{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center;position:relative;z-index:2}
.course-hero h1{color:#fff;font-size:clamp(28px,4vw,42px);margin-bottom:12px}
.course-hero .lead{color:#C9DAD6;font-size:15.5px;line-height:2;margin-bottom:22px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hb{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:20px 16px;text-align:center}
.hero-stat b{display:block;font-family:var(--font-serif);font-size:26px;color:var(--accent-2)}
.hero-stat span{font-size:12.5px;color:#C9DAD6}
.outline{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.outline-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 26px 22px}
.outline-card .oc-ic{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--ink),var(--ink-3));color:#fff;font-family:var(--font-serif);font-weight:900;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.outline-card h3{font-size:17px;margin-bottom:8px}
.outline-card p{font-size:13.5px;color:var(--muted)}
.price-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:14px;overflow:hidden;font-size:14px}
.price-table th{background:var(--ink);color:#fff;padding:14px 16px;text-align:left}
.price-table td{padding:13px 16px;border-bottom:1px solid var(--line)}
.price-table tr:nth-child(even){background:#FAF8F2}
.price-table .p-now{font-family:var(--font-serif);font-size:20px;color:var(--accent);font-weight:900}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.process .ps{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:20px 14px;text-align:center;position:relative}
.process .ps b{display:block;width:34px;height:34px;margin:0 auto 10px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-family:var(--font-serif);font-weight:900;display:flex;align-items:center;justify-content:center}
.process .ps span{font-size:13px;font-weight:600;color:var(--ink);display:block;margin-bottom:4px}
.process .ps small{font-size:11.5px;color:var(--muted)}

/* ---------- 模块折叠 ---------- */
.module-card{background:var(--white);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden}
.module-card .module-header{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:20px 26px;cursor:pointer;transition:.2s}
.module-card .module-header:hover{background:#FAF8F2}
.module-card .module-header h3{font-size:16.5px}
.module-card .module-header span{color:var(--accent);font-weight:700;font-size:13px;flex:none}
.module-card .module-header .mi{width:34px;height:34px;border-radius:9px;background:#EEF4F1;color:var(--ink-2);font-family:var(--font-serif);font-weight:900;display:flex;align-items:center;justify-content:center;flex:none}
.module-card .module-body{display:none;padding:0 26px 22px 26px;border-top:1px dashed var(--line)}
.module-card.open .module-body{display:block;padding-top:16px}
.module-card .module-body ul{margin:0 0 0 4px}
.module-card .module-body li{position:relative;padding:7px 0 7px 22px;font-size:14px;color:var(--text)}
.module-card .module-body li::before{content:"▸";position:absolute;left:0;color:var(--accent);font-weight:900}
.module-card .module-body p{font-size:13.5px;color:var(--muted);margin-top:10px}

/* ---------- 认证价值 / 适合人群 ---------- */
.value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.value-item{display:flex;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.value-item .vi{width:42px;height:42px;flex:none;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-family:var(--font-serif);font-weight:900;display:flex;align-items:center;justify-content:center}
.value-item b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.value-item p{font-size:13px;color:var(--muted)}

/* ---------- 报考指南流程 ---------- */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:flow}
.flow-step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 22px;text-align:center;position:relative}
.flow-step::before{counter-increment:flow;content:counter(flow,decimal-leading-zero);position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;font-family:var(--font-serif);font-weight:900;font-size:13px;padding:4px 14px;border-radius:999px}
.flow-step h3{font-size:16px;margin:8px 0 8px}
.flow-step p{font-size:13px;color:var(--muted)}

/* ---------- 关于页 ---------- */
.milestone{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ms-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px 20px;text-align:center}
.ms-card b{display:block;font-family:var(--font-serif);font-size:26px;color:var(--accent)}
.ms-card span{font-size:13px;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.side-title{font-size:19px;margin-bottom:14px;padding-left:13px;border-left:4px solid var(--accent)}

/* ---------- 文章中心 ---------- */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.article-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:28px 30px;transition:.25s;display:block;margin-bottom:20px}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--ink-3)}
.article-card .ac-cat{display:inline-block;background:#EEF4F1;color:var(--ink-2);font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;margin-bottom:10px}
.article-card h2{font-size:19px;margin-bottom:8px;line-height:1.5}
.article-card:hover h2{color:var(--accent)}
.article-card p{font-size:14px;color:var(--muted)}
.article-card .ac-meta{display:flex;gap:16px;color:#93A09D;font-size:12.5px;margin-top:12px}
.post-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 28px;margin-bottom:18px}
.post-card .post-cat{display:inline-block;background:#EEF4F1;color:var(--ink-2);font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;margin-bottom:10px}
.post-card h2{font-size:19px;margin-bottom:8px}
.post-card h2 a:hover{color:var(--accent)}
.post-meta{display:flex;gap:16px;color:#93A09D;font-size:12.5px;margin:6px 0 10px;flex-wrap:wrap}
.post-excerpt{font-size:14px;color:var(--muted)}
.read-more{display:inline-block;margin-top:12px;color:var(--accent);font-weight:700;font-size:14px}
.pager{display:flex;gap:14px;align-items:center;justify-content:center;margin:34px 0 0;font-size:14px}
.pager a{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:8px 18px;font-weight:600}
.pager a:hover{border-color:var(--ink);color:var(--ink)}
.sidebar .widget{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px 24px;margin-bottom:22px}
.sidebar h3{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--line)}
.sidebar .cat-list li{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed #F0ECE2;font-size:14px}
.sidebar .cat-list a:hover{color:var(--accent)}
.sidebar .cat-list span{color:#93A09D;font-size:12.5px}
.sidebar .hot-list li{padding:8px 0;border-bottom:1px dashed #F0ECE2;font-size:13.5px;line-height:1.7}
.sidebar .hot-list a:hover{color:var(--accent)}
.sidebar .hot-list b{color:var(--accent);font-weight:700;margin-right:6px}
.widget-tel b{font-family:var(--font-serif);font-size:22px;color:var(--ink);display:block}
.widget-tel span{font-size:12.5px;color:var(--muted)}
.widget-tel .btn{margin-top:14px;width:100%}

/* ---------- 文章详情 ---------- */
.article-detail{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:44px 48px;max-width:860px;margin:0 auto}
.article-detail h1{font-size:clamp(24px,3vw,32px);line-height:1.5;margin-bottom:14px}
.article-detail .prose{margin:0}
.article-body{line-height:2;font-size:15.5px;color:var(--text)}
.article-body h2{font-size:22px;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--accent);color:var(--ink);font-family:var(--font-serif)}
.article-body h3{font-size:18px;margin:24px 0 10px;color:var(--ink);font-family:var(--font-serif)}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 18px 24px}
.article-body li{margin-bottom:8px}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;overflow-x:auto;display:block}
.article-body th{background:var(--ink);color:#fff;padding:11px 14px;text-align:left}
.article-body td{padding:10px 14px;border-bottom:1px solid var(--line)}
.article-body tr:nth-child(even){background:#FAF8F2}
.article-body blockquote{border-left:4px solid var(--ink-3);background:#EFF5F2;padding:14px 20px;border-radius:0 10px 10px 0;margin:18px 0;color:var(--ink)}
.article-tags{margin:26px 0 0;display:flex;gap:8px;flex-wrap:wrap}
.article-tags span{background:#F2F4F2;color:var(--ink-2);font-size:12px;padding:4px 12px;border-radius:999px}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px}
.article-nav a{color:var(--ink-2);font-weight:600;max-width:46%}

/* ---------- 入场动画 ---------- */
.fade-up{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.fade-up.in{opacity:1;transform:none}

/* ---------- 后台登录（独立页面） ---------- */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0B2E2E,#14504D);padding:22px}
.auth-card{width:100%;max-width:430px;background:#fff;border-radius:18px;padding:40px 38px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.auth-card .logo{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--ink),var(--ink-3));color:#fff;font-family:var(--font-serif);font-size:28px;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.auth-card h1{text-align:center;font-size:21px;margin-bottom:6px}
.auth-card .al-sub{text-align:center;color:var(--muted);font-size:13.5px;margin-bottom:26px}
.auth-card input{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;margin-bottom:14px;outline:none}
.auth-card input:focus{border-color:var(--ink-3)}
.auth-card button{width:100%;padding:13px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--ink),var(--ink-3));color:#fff;font-size:15px;font-weight:700;cursor:pointer}
.msg-box{display:none;padding:12px;border-radius:9px;font-size:13.5px;margin-bottom:14px}
.msg-box.err{display:block;background:#FDEBEA;color:#B3261E;border:1px solid #F3C6C2}
.msg-box.ok{display:block;background:#E9F7EF;color:#1B7A4D;border:1px solid #BEE8CF}

/* ---------- 响应式补充 ---------- */
@media (max-width:1024px){
  .contact-grid,.article-layout,.course-hero .container{grid-template-columns:1fr}
  .outline,.value-list{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:repeat(3,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .milestone{grid-template-columns:repeat(2,1fr)}
  .sidebar{display:none}
}
@media (max-width:768px){
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:24px 20px}
  .outline,.value-list{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .article-detail{padding:28px 20px}
  .article-body table{display:block;overflow-x:auto}
  .cta-btns{justify-content:center}
  .course-hero{padding:54px 0 64px}
}

/* ---------- 首页 Hero 补充 ---------- */
.hero-sub{font-size:16.5px;line-height:2;color:#C9DAD6;margin:20px 0 26px;max-width:560px}
.hero-sub strong{color:var(--accent-2)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;font-size:13px;color:#BFD2CF}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:28px;backdrop-filter:blur(6px)}
.hc-head{border-bottom:1px dashed rgba(255,255,255,.2);padding-bottom:16px;margin-bottom:10px}
.hc-head b{display:block;font-family:var(--font-serif);font-size:19px;color:#fff}
.hc-head span{font-size:12.5px;color:#A9C3BE}
.hc-list li{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.hc-list em{width:44px;height:44px;flex:none;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-style:normal;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.hc-list span{flex:1;font-size:13.5px;color:#D9E6E3}
.hc-list b{font-family:var(--font-serif);color:var(--accent-2);font-size:15px}
.hc-foot{display:flex;justify-content:space-between;align-items:center;padding-top:16px;flex-wrap:wrap;gap:8px}
.hc-foot span{font-size:12.5px;color:#A9C3BE}
.hc-foot b{font-size:14px;color:var(--accent-2)}

/* ---------- FAQ 折叠（div 版） ---------- */
.faq-question{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 24px;cursor:pointer;font-weight:700;font-size:15.5px;color:var(--ink)}
.fq-icon{color:var(--accent);font-size:22px;font-weight:400;transition:.25s;flex:none}
.faq-item.open .fq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}
.faq-item.open .faq-a{display:block}

/* ---------- 头部滚动阴影 ---------- */
.header.scrolled{box-shadow:0 8px 24px rgba(11,46,46,.08)}