/* 名师荟教育 · 清雅留白风格 · 主题模板样式 */
:root{
  --primary:#7A3DA8;--primary-dark:#5B2C7E;--accent:#B78AE0;--accent-ink:#FFFFFF;
  --bg:#FAF8FC;--surface:#F1EBF7;--card-bg:#FFFFFF;--ink:#33294A;--muted:#7C7291;--border:#E6DEF0;--footer-bg:#3A2160;
  --radius:16px;--radius-sm:16px;
  --head-font:inherit;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Microsoft YaHei','PingFang SC','Noto Sans SC',sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:15px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
ul{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
h1,h2,h3{font-family:var(--head-font);line-height:1.35}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(40,10,80,.10)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px}
.logo img{height:50px;width:auto}
.main-nav{margin-left:auto}
.main-nav>ul{display:flex;gap:4px}
.main-nav>ul>li{position:relative}
.main-nav a{display:block;padding:10px 15px;font-size:15px;font-weight:600;color:var(--ink);border-radius:var(--radius-sm);white-space:nowrap}
.main-nav>ul>li:hover>a,.main-nav>ul>li.active>a{color:var(--primary);background:var(--surface)}
.main-nav .sub{position:absolute;top:100%;left:0;min-width:210px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 14px 32px rgba(40,10,80,.14);opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s;z-index:20}
.main-nav li:hover .sub{opacity:1;visibility:visible;transform:none}
.main-nav .sub a{padding:10px 16px;font-weight:500}
.main-nav .sub a:hover{color:var(--primary);background:var(--surface)}
.header-phone{text-align:center;line-height:1.35;padding-left:20px;border-left:1px solid var(--border)}
.header-phone span{display:block;font-size:12px;color:var(--muted)}
.header-phone strong{font-size:19px;color:var(--primary);letter-spacing:.5px}
.nav-toggle{display:none;width:40px;height:36px;background:none;border:none;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;margin-left:auto}
.nav-toggle span{display:block;height:2px;background:var(--primary);border-radius:2px}

/* Hero */
.hero-eyebrow{display:inline-block;color:var(--accent);border:1px solid currentColor;padding:5px 16px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:3px}
.hero-copy h1{font-size:clamp(30px,4.6vw,54px);margin:18px 0 12px;font-weight:800}
.hero-copy>p{font-size:16px;opacity:.86;max-width:600px}
.hero-btns{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-chips{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.hero-chips li{border:1px solid rgba(255,255,255,.35);padding:5px 14px;border-radius:999px;font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 30px;border-radius:var(--radius);font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer;transition:.25s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{filter:brightness(1.06)}
.btn-ghost{border-color:currentColor;color:inherit;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-banner{background:var(--surface)}
.hero-banner>img{width:100%}
.hero-bar{background:linear-gradient(90deg,var(--primary-dark),var(--primary));color:#fff}
.hero-bar .container{display:flex;align-items:center;gap:18px;padding:13px 0;flex-wrap:wrap}
.hero-bar .hero-chips{margin-top:0}
.hero-bar .btn{padding:9px 22px;font-size:14px}
.hero-dark,.hero-full{position:relative;display:flex;align-items:center;color:#fff;overflow:hidden;background:linear-gradient(120deg,var(--primary-dark),var(--primary))}
.hero-dark{min-height:540px}
.hero-full{min-height:80vh;justify-content:center;text-align:center}
.hero-dark .hero-bg,.hero-full .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.hero-full .hero-bg{opacity:.42}
.hero-dark .container,.hero-full .container{position:relative;z-index:1;padding:96px 0}
.hero-dark:after,.hero-full:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(23,8,46,.78),rgba(60,20,110,.42));pointer-events:none}
.hero-dark .container,.hero-full .container{z-index:2}
.hero-dark .hero-copy,.hero-full .hero-copy,.hero-split .hero-copy{position:relative;z-index:2}
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;min-height:500px}
.hero-split .hero-panel{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;display:flex;align-items:center}
.hero-split .hero-panel .hero-copy{padding:70px 8%}
.hero-split .hero-media{overflow:hidden}
.hero-split .hero-media img{width:100%;height:100%;object-fit:cover}
.hero-min{padding:96px 0 80px}
.hero-min-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-min .hero-eyebrow{color:var(--primary)}
.hero-min .hero-chips li{border-color:var(--border);color:var(--muted)}
.hero-min .btn-ghost{color:var(--primary);border-color:var(--primary)}
.hero-min .btn-ghost:hover{background:var(--surface)}
.hero-media img{border-radius:var(--radius);box-shadow:0 24px 60px rgba(45,15,90,.22);width:100%;height:420px;object-fit:cover}

/* Sections */
.sec{padding:84px 0}
.sec-alt{background:var(--surface)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 50px}
.eyebrow{color:var(--primary);font-weight:700;letter-spacing:3px;font-size:13px}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin:10px 0 4px}
.sec-head .line{width:56px;height:3px;background:var(--accent);margin:14px auto 16px;border-radius:2px}
.sec-head p{color:var(--muted)}

/* Stats */
.stats{background:linear-gradient(120deg,var(--primary-dark),var(--primary));color:#fff;padding:46px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{font-size:clamp(26px,3vw,40px);color:var(--accent);display:block;line-height:1.2}
.stat span{opacity:.82;font-size:14px}

/* Courses */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.course-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:block;transition:.3s}
.course-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(60,20,110,.16)}
.course-card img{height:190px;width:100%;object-fit:cover}
.course-body{padding:20px}
.course-body h3{font-size:19px;margin-bottom:8px}
.course-body p{color:var(--muted);font-size:14px;min-height:72px}
.course-tags{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.course-tags li{font-size:12px;background:var(--surface);color:var(--primary);padding:3px 10px;border-radius:999px;border:1px solid var(--border)}
.course-more{color:var(--primary);font-weight:700;font-size:14px}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px}
.why-num{font-size:15px;font-weight:800;color:var(--accent);letter-spacing:2px}
.why-card h3{margin:10px 0 8px;font-size:18px}
.why-card p{color:var(--muted);font-size:14px}

/* Process */
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proc-card{text-align:center;padding:36px 26px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card-bg)}
.proc-step{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800}
.proc-phase{color:var(--accent);font-weight:700;font-size:14px;letter-spacing:2px}
.proc-card h3{margin:8px 0 8px;font-size:18px}
.proc-card p{color:var(--muted);font-size:14px}
.proc-note{text-align:center;margin-top:28px;color:var(--muted);font-size:14px}
.proc-note strong{color:var(--primary)}

/* Campus */
.campus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.campus-grid figure{position:relative;border-radius:var(--radius);overflow:hidden;margin:0}
.campus-grid img{height:230px;width:100%;object-fit:cover;transition:.4s}
.campus-grid figure:hover img{transform:scale(1.06)}
.campus-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;font-size:14px;font-weight:600;background:linear-gradient(transparent,rgba(20,5,40,.78))}

/* Teachers */
.teacher-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.teacher-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-align:center;transition:.3s}
.teacher-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(60,20,110,.16)}
.teacher-card img{height:270px;width:100%;object-fit:contain;object-position:center top;background:linear-gradient(180deg,var(--surface) 0%,var(--card-bg) 100%)}
.t-info{padding:18px 16px 22px}
.t-info h3{font-size:18px}
.t-role{color:var(--primary);font-size:13px;font-weight:700;margin:4px 0 8px}
.t-desc{color:var(--muted);font-size:13px}

/* Honor */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.honor-card{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;border-radius:var(--radius);padding:30px 28px}
.honor-card b{font-size:22px;display:block;color:var(--accent);margin-bottom:6px}
.honor-card span{opacity:.85;font-size:14px}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:block;transition:.3s}
.news-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(60,20,110,.16)}
.news-card img{height:180px;width:100%;object-fit:cover}
.news-body{padding:18px}
.news-date{color:var(--muted);font-size:13px}
.news-body h3{font-size:16px;margin:6px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* CTA */
.cta{background:linear-gradient(120deg,var(--primary-dark),var(--primary));color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.cta-info h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta-info>p{opacity:.85}
.cta-list{margin-top:20px;display:grid;gap:10px;font-size:15px}
.cta-list strong{color:var(--accent);font-size:19px}
.cta-form{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.28);padding:28px;border-radius:var(--radius);display:grid;gap:12px}
.cta-form input,.cta-form select{width:100%;padding:13px 14px;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-sm);background:rgba(255,255,255,.96);color:#333;font-size:14px;font-family:inherit}
.cta-form .btn{width:100%}
.cta-form-light{background:var(--card-bg);border:1px solid var(--border)}
.cta-form-light input,.cta-form-light select{border-color:var(--border);background:var(--bg)}

/* Footer */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.75)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;padding:60px 0 44px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.site-footer ul{display:grid;gap:8px;font-size:14px}
.site-footer a:hover{color:var(--accent)}
.footer-qr img{width:110px;border-radius:6px;background:#fff;padding:5px;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* Float */
.float-btns{position:fixed;right:18px;bottom:100px;z-index:90}
#backTop{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:.3s;box-shadow:0 8px 20px rgba(40,10,80,.35);font-size:18px}
#backTop.show{opacity:1;visibility:visible}
.mobile-telbar{display:none;position:fixed;left:0;right:0;bottom:0;background:var(--primary);z-index:95;box-shadow:0 -6px 20px rgba(20,5,40,.25)}
.mobile-telbar a{flex:1;text-align:center;padding:13px;font-weight:700;color:#fff}
.mobile-telbar a+a{background:var(--accent);color:var(--accent-ink)}

/* Inner pages */
.page-banner{position:relative;height:250px;display:flex;align-items:center;background:linear-gradient(120deg,var(--primary-dark),var(--primary));overflow:hidden}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.page-banner .container{position:relative;z-index:1;color:#fff}
.page-banner h1{font-size:30px}
.crumb{font-size:13px;opacity:.85;margin-top:8px}
.crumb a{color:var(--accent)}
.list-wrap{padding:60px 0}
.news-list li{display:grid;grid-template-columns:104px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--border);align-items:center}
.news-date{text-align:center;background:var(--surface);border-radius:var(--radius-sm);padding:10px 6px}
.news-date b{display:block;font-size:24px;color:var(--primary);line-height:1.2}
.news-date span{font-size:12px;color:var(--muted)}
.news-txt h3{font-size:17px;margin-bottom:6px}
.news-txt h3 a:hover{color:var(--primary)}
.news-txt p{color:var(--muted);font-size:14px}
.course-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.pages{margin-top:36px;text-align:center;clear:both}
.pages ul{display:inline-block}
.pages li{display:inline-block}
.pages a,.pages span{display:inline-block;padding:8px 14px;margin:0 4px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--ink)}
.pages .thisclass{background:var(--primary);color:#fff;border-color:var(--primary)}
.pages a:hover{color:var(--primary);border-color:var(--primary)}
.article{max-width:900px;margin:0 auto}
.article h1{font-size:26px;text-align:center;margin-bottom:14px}
.article-meta{text-align:center;color:var(--muted);font-size:13px;padding-bottom:18px;border-bottom:1px solid var(--border);margin-bottom:26px;display:flex;justify-content:center;gap:22px;flex-wrap:wrap}
.article-body{font-size:16px;line-height:2}
.article-body img{margin:16px auto;border-radius:var(--radius)}
.article-pn{margin-top:36px;padding-top:20px;border-top:1px solid var(--border);display:grid;gap:8px}
.article-pn a{color:var(--primary);font-weight:600;font-size:14px}
.page-content{max-width:960px;margin:0 auto;line-height:2;font-size:16px}
.page-content img{border-radius:var(--radius);margin:14px auto}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.contact-cards{display:grid;gap:14px}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px}
.contact-card b{color:var(--primary);font-size:16px;display:block;margin-bottom:4px}
.contact-card p{color:var(--muted);font-size:14px}
.contact-form-col h3{font-size:20px;margin-bottom:16px}
.map-box{margin-top:30px;height:340px;border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--muted);background:var(--surface);font-size:14px}

/* Course page */
.page-sub{color:rgba(255,255,255,.85);font-size:15px;margin-top:8px}
.cp-intro{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center;margin-bottom:60px}
.cp-intro-img img{width:100%;height:380px;object-fit:cover;border-radius:var(--radius);box-shadow:0 24px 60px rgba(45,15,90,.20)}
.cp-tag{display:inline-block;background:var(--surface);color:var(--primary);border:1px solid var(--border);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:2px}
.cp-intro-txt h2{font-size:clamp(22px,2.6vw,30px);margin:14px 0 12px}
.cp-meta{display:flex;gap:10px;flex-wrap:wrap}
.cp-meta span{font-size:13px;background:var(--surface);border:1px solid var(--border);padding:5px 12px;border-radius:999px;color:var(--muted)}
.cp-lead{margin-top:16px;font-size:16px;line-height:2}
.cp-content{margin-top:12px;color:var(--muted);font-size:15px;line-height:2}
.cp-content img{border-radius:var(--radius);margin:12px auto}
.cp-sec{margin-bottom:62px}
.cp-sec-title{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.cp-sec-title .bar{width:4px;height:22px;background:var(--primary);border-radius:2px}
.cp-sec-title h2{font-size:24px}
.class-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.class-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:.3s}
.class-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(60,20,110,.16)}
.class-card b{display:block;font-size:22px;color:var(--primary)}
.cs-sub{color:var(--muted);font-size:13px;margin:8px 0 14px;min-height:44px}
.cs-fee{color:var(--accent);font-weight:700;font-size:14px;border-top:1px solid var(--border);padding-top:12px}
.cp-note{margin-top:18px;color:var(--muted);font-size:13px;line-height:1.9}
.cp-why-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.cp-why-list li{background:var(--surface);border-left:3px solid var(--primary);border-radius:var(--radius);padding:20px 22px}
.cp-why-list b{display:block;margin-bottom:6px;font-size:16px}
.cp-why-list p{color:var(--muted);font-size:14px;line-height:1.9}
.cp-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cp-flow li{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:22px 16px;text-align:center}
.cp-flow .fi{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-weight:800}
.cp-flow b{font-size:15px}
.cp-faq{display:grid;gap:12px}
.cp-faq details{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px}
.cp-faq summary{cursor:pointer;font-weight:700;font-size:16px}
.cp-faq p{color:var(--muted);font-size:14px;margin-top:10px;line-height:1.9}
.ab-timeline{display:grid;gap:0;border-left:2px solid var(--border);padding-left:4px}
.ab-timeline li{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:20px 22px;position:relative}
.ab-timeline li:before{content:"";position:absolute;left:-9px;top:28px;width:14px;height:14px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px var(--surface)}
.ab-year{font-size:20px;font-weight:800;color:var(--primary)}
.ab-txt b{display:block;font-size:17px;margin-bottom:6px}
.ab-txt p{color:var(--muted);font-size:14px;line-height:1.9}
@media(max-width:1024px){
  .cp-intro{grid-template-columns:1fr}
  .cp-intro-img img{height:280px}
  .class-grid{grid-template-columns:repeat(2,1fr)}
  .cp-flow{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .class-grid,.cp-why-list,.cp-flow{grid-template-columns:1fr}
  .cp-flow{grid-template-columns:repeat(2,1fr)}
  .ab-timeline li{grid-template-columns:1fr;gap:6px;padding:16px 18px}
}

/* Reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

.sec{padding:96px 0} .hero-min{padding:100px 0 80px}


/* ===== 本套专属布局（结构性差异化） ===== */
:root{--hd-h:112px}
.hd-topbar{background:var(--bg)}
.hd-topbar .hd-top{background:var(--primary);color:#fff;font-size:13px}
.hd-topbar .hd-top .container{display:flex;justify-content:space-between;gap:16px;padding:7px 0;flex-wrap:wrap}
.hd-topbar .header-inner{height:76px}
.hd-topbar .logo img{height:48px}
.course-list{display:grid;gap:16px}
.course-row{display:grid;grid-template-columns:230px 1fr auto;gap:26px;align-items:center;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px 22px 14px 14px;transition:.3s}
.course-row:hover{border-color:var(--primary);transform:translateX(8px);box-shadow:0 14px 34px rgba(60,20,110,.14)}
.course-row .cr-img img{height:132px;width:100%;object-fit:cover;border-radius:calc(var(--radius) - 2px)}
.course-row h3{font-size:20px;margin-bottom:6px}
.course-row .cr-body p{color:var(--muted);font-size:14px}
.course-row .cr-go{flex-shrink:0;border:1px solid var(--primary);color:var(--primary);border-radius:999px;padding:8px 20px;font-size:14px;font-weight:600;white-space:nowrap}
.course-row:hover .cr-go{background:var(--primary);color:#fff}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ft-simple{text-align:center}
.ft-simple .ft-brand{display:flex;justify-content:center;margin-bottom:6px}
.ft-simple .ft-brand img{height:56px;background:#fff;border-radius:10px;padding:6px 12px}
.ft-simple .ft-desc{max-width:660px;margin:18px auto 0;opacity:.82;font-size:14px}
.ft-simple .ft-links{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 22px;margin:24px 0 18px}
.ft-simple .ft-links a{opacity:.85;font-size:14px}
.ft-simple .ft-links a:hover{color:var(--accent)}
.ft-simple .ft-tel{font-size:13px;opacity:.85;margin-bottom:8px}
.ft-simple .ft-tel strong{display:inline-block;margin-left:10px;font-size:24px;color:var(--accent);letter-spacing:1px}
@media(max-width:1100px){
  .course-mosaic{grid-template-columns:1fr 1fr}
  .course-quad{gap:18px}
  .course-quad .course-card img{height:190px}
  .course-mosaic .card-lead{grid-row:span 1;grid-column:span 2}
  .course-mosaic .card-lead img{min-height:300px}
  .ft-wide .ft-top{grid-template-columns:1fr 1fr}
  .hd-wide .main-nav a{padding:10px 13px}
}
@media(max-width:960px){
  .hd-center .hd-row2{display:none}
  :root{--hd-h:76px}
  .hd-topbar .hd-top{display:none}
  .hd-overlay{position:sticky;background:var(--bg);border-bottom:1px solid var(--border)}
  .hd-overlay .main-nav a{color:var(--ink)}
  .hd-overlay .header-phone strong{color:var(--primary)}
  .hd-overlay + .hero-full{padding-top:0}
  .hd-wide .header-inner,.hd-topbar .header-inner{height:76px}
}
@media(max-width:768px){
  .course-mosaic,.course-stack,.cs-item,.course-quad{grid-template-columns:1fr}
  .course-mosaic .card-lead{grid-column:span 1}
  .course-mosaic .card-lead img{min-height:0;height:220px}
  .course-quad .course-card img{height:200px}
  .cs-item.cs-rev .cs-img{order:0}
  .cs-item .cs-body{padding:26px 22px}
  .cs-item .cs-img img{height:230px}
  .course-row{grid-template-columns:1fr;gap:12px}
  .course-row .cr-img img{height:190px}
  .course-row .cr-go{justify-self:start}
  .course-scroll .course-card{flex:0 0 84%}
  .why-item{grid-template-columns:52px 1fr;gap:14px;padding:18px}
  .why-item .why-num{font-size:26px}
  .ft-wide .ft-top,.ft-cols .footer-grid{grid-template-columns:1fr}
  .ft-simple .ft-tel strong{display:block;margin:6px 0 0}
}


/* ===== 本套页面框架（骨架级差异） ===== */
.dot-nav{display:none}
/* 框架：居中窄栏 —— 760px 竖读式，超大留白 */
.frame-narrow .container{width:min(1040px,92%)}
.frame-narrow .sec{padding:96px 0}
.frame-narrow .sec-head h2{font-size:32px}
.frame-narrow .teacher-grid{grid-template-columns:repeat(4,1fr)}
.frame-narrow .campus-grid{grid-template-columns:repeat(2,1fr)}
.frame-narrow .stats-grid{grid-template-columns:repeat(4,1fr)}
.frame-narrow .honor-grid{grid-template-columns:repeat(3,1fr)}
.frame-narrow .news-grid{grid-template-columns:repeat(2,1fr)}
.frame-narrow .proc-grid{grid-template-columns:repeat(3,1fr);gap:22px}
.frame-narrow .proc-card{display:flex;flex-direction:column;align-items:center;text-align:center}
.frame-narrow .proc-card p{flex:1}
.frame-narrow .hero-copy>p{margin-left:auto;margin-right:auto}

/* Responsive */
@media(max-width:1024px){
  .course-grid,.teacher-grid,.campus-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid,.honor-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-media img{height:340px}
}
@media(max-width:960px){
  .nav-toggle{display:flex}
  .header-phone{display:none}
  .main-nav{position:fixed;top:var(--hd-h,76px);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .35s ease;z-index:99}
  body.nav-open .main-nav{max-height:76vh;overflow-y:auto}
  .main-nav>ul{flex-direction:column;gap:0;padding:10px 4%}
  .main-nav .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;display:block;padding-left:18px}
  .main-nav>ul>li{border-bottom:1px solid var(--border)}
}
@media(max-width:768px){
  .sec{padding:60px 0}
  .hero-min-grid,.hero-split,.cta-inner,.contact-grid,.course-list{grid-template-columns:1fr}
  .hero-split .hero-media{order:-1}
  .hero-media img{height:260px}
  .why-grid,.honor-grid,.news-grid,.course-grid,.teacher-grid,.campus-grid,.proc-grid{grid-template-columns:1fr}
  /* 移动端卡片紧凑化：避免单列后空洞的长条观感 */
  .why-card{display:grid;grid-template-columns:auto 1fr;gap:2px 14px;align-items:start;padding:20px 18px}
  .why-card .why-num{grid-row:1/3;margin-top:2px}
  .why-card h3{grid-column:2;margin:0 0 6px}
  .why-card p{grid-column:2}
  .course-grid .course-card{display:grid;grid-template-columns:128px 1fr}
  .course-grid .course-card img{height:100%;min-height:128px}
  .course-grid .course-card .course-body{padding:14px 16px}
  .course-grid .course-card h3{font-size:17px;margin-bottom:6px}
  .course-grid .course-card .course-tags{display:none}
  .proc-card{padding:24px 18px}
  .teacher-card img{height:220px}
  .campus-grid img{height:190px}
  .footer-grid{grid-template-columns:1fr}
  .mobile-telbar{display:flex}
  body{padding-bottom:50px}
  .float-btns{bottom:64px}
  .hero-full{min-height:64vh}
  .page-banner h1{font-size:24px}
}