/* ============================================================
   米牛教育智能建站系统 · 前台基础设计系统
   组件库：两套主题共用；配色由 theme-vars.css 变量覆盖（整站风格）
   ============================================================ */
:root{
  --brand:#1E6FFF; --brand-2:#7B5CFF; --accent:#FF7A00;
  --grad:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);
  --grad-deep:linear-gradient(120deg,#0a1738 0%,var(--brand) 60%,var(--brand-2) 100%);
  --grad-accent:linear-gradient(120deg,var(--accent),#FFB43C);
  --ink:#151d33; --muted:#6d7891; --line:#e8eef8; --bg:#f5f8fe; --surface:#fff;
  --radius:18px; --radius-sm:12px;
  --shadow:0 10px 34px rgba(18,38,86,.07);
  --shadow-hover:0 24px 56px rgba(18,38,86,.16);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.text-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------------- 顶部导航 ---------------- */
.site-head{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(16px);
  -webkit-backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid rgba(232,238,248,.9);transition:box-shadow .3s}
.site-head.scrolled{box-shadow:0 8px 30px rgba(18,38,86,.09)}
.head-in{display:flex;align-items:center;gap:28px;height:78px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:46px;width:auto}
.brand .brand-text{font-size:25px;font-weight:900;letter-spacing:1px;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand .brand-text i{font-style:normal;color:var(--accent);-webkit-text-fill-color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;flex-wrap:wrap}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:#3d4a66;padding:9px 14px;border-radius:10px;transition:.25s;white-space:nowrap}
.main-nav a:hover{color:var(--brand);background:rgba(30,111,255,.07)}
.main-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transition:transform .28s}
.main-nav a:hover::after{transform:scaleX(1)}
.head-act{display:flex;align-items:center;gap:10px;flex-shrink:0}
.head-act .lnk{font-size:14px;font-weight:600;color:var(--muted);padding:8px 6px}
.head-act .lnk:hover{color:var(--brand)}
.head-act .hi{font-size:14px;color:var(--muted);margin-right:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:700;color:#fff;background:var(--grad);
  box-shadow:0 8px 22px rgba(30,111,255,.22);transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(30,111,255,.34)}
.btn.ghost{background:transparent;color:var(--brand);border:1.5px solid rgba(30,111,255,.35);box-shadow:none}
.btn.ghost:hover{background:rgba(30,111,255,.07);box-shadow:none}
.btn.accent{background:var(--grad-accent);box-shadow:0 8px 22px rgba(255,122,0,.24)}
.btn.accent:hover{box-shadow:0 14px 30px rgba(255,122,0,.34)}
.btn-sm{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:999px;
  font-size:14px;font-weight:700;color:#fff;background:var(--grad);transition:.25s;cursor:pointer;border:0}
.btn-sm:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,111,255,.3)}
.btn-sm.orange,.btn-sm.accent{background:var(--grad-accent)}
.btn-sm.outline{background:transparent;color:var(--brand);border:1.5px solid rgba(30,111,255,.3)}
.menu-toggle{display:none;background:none;border:0;font-size:24px;color:var(--ink);cursor:pointer;padding:6px}

/* 深色大气主题顶栏 */
.t-grand .site-head{background:rgba(9,20,46,.82);border-bottom:1px solid rgba(255,255,255,.1)}
.t-grand .site-head.scrolled{box-shadow:0 10px 34px rgba(4,12,32,.4)}
.t-grand .main-nav a{color:rgba(255,255,255,.82)}
.t-grand .main-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.t-grand .head-act .lnk,.t-grand .head-act .hi{color:rgba(255,255,255,.78)}
.t-grand .head-act .lnk:hover{color:#fff}
.t-grand .head-act .btn.ghost{color:#fff;border-color:rgba(255,255,255,.45)}
.t-grand .head-act .btn.ghost:hover{background:rgba(255,255,255,.12)}
.t-grand .menu-toggle{color:#fff}

/* ---------------- Hero 轮播（两套主题共用同一数据） ---------------- */
.hero{position:relative;margin:26px 0 0;border-radius:26px;overflow:hidden;box-shadow:0 26px 64px rgba(12,30,74,.2);background:var(--grad-deep)}
.hero-slides{position:relative;height:480px}
.hero-slide{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity .8s ease,transform 1.2s ease;pointer-events:none}
.hero-slide.active{opacity:1;transform:scale(1);pointer-events:auto}
.hero-slide .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-slide .hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,46,.82) 0%,rgba(6,18,46,.5) 42%,rgba(6,18,46,.05) 78%)}
.hero-body{position:absolute;left:0;top:0;height:100%;display:flex;flex-direction:column;justify-content:center;
  padding:0 64px;max-width:880px;color:#fff;z-index:2}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:rgba(255,255,255,.8);margin-bottom:20px}
.hero-kicker::before{content:"";width:28px;height:2px;background:var(--accent);border-radius:2px}
.hero-body h1{font-size:clamp(30px,3.2vw,46px);font-weight:900;line-height:1.24;letter-spacing:.5px;margin:0 0 16px;
  text-shadow:0 6px 26px rgba(0,0,0,.25)}
.hero-body p{font-size:18px;line-height:1.8;color:rgba(255,255,255,.88);margin:0 0 30px;max-width:560px}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap}
.hero-acts .btn{min-width:150px}
.hero-acts .btn.ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55);color:#fff}
.hero-acts .btn.ghost:hover{background:rgba(255,255,255,.22)}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.14);color:#fff;font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);transition:.25s}
.hero-arrow:hover{background:rgba(255,255,255,.3);transform:translateY(-50%) scale(1.08)}
.hero-arrow.prev{left:20px}.hero-arrow.next{right:20px}
.hero-dots{position:absolute;bottom:26px;left:64px;z-index:4;display:flex;gap:9px}
.hero-dots span{width:26px;height:5px;border-radius:5px;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s}
.hero-dots span.active{width:46px;background:var(--accent)}
.hero-count{position:absolute;right:26px;bottom:24px;z-index:4;color:rgba(255,255,255,.75);font-size:13px;letter-spacing:2px}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:4;color:rgba(255,255,255,.65);
  font-size:12px;letter-spacing:2px;display:flex;flex-direction:column;align-items:center;gap:6px}
.hero-scroll i{display:block;width:1px;height:26px;background:rgba(255,255,255,.5);animation:scrollPulse 1.8s infinite}
@keyframes scrollPulse{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}
.t-default .hero{border-radius:20px;box-shadow:0 16px 44px rgba(12,30,74,.14)}
.t-default .hero-slides{height:420px}
.t-default .hero-slide .hero-mask{background:linear-gradient(90deg,rgba(8,22,54,.8),rgba(8,22,54,.35) 55%,transparent 85%)}

/* ---------------- 通用区块 ---------------- */
.section{padding:70px 0}
.section.tight{padding:44px 0}
.sec-head{text-align:center;margin-bottom:46px}
.sec-head .eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:3px;text-transform:uppercase;
  color:var(--brand);background:rgba(30,111,255,.09);padding:7px 18px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:clamp(26px,3vw,38px);font-weight:900;letter-spacing:.5px;margin:0 0 12px;line-height:1.3}
.sec-head h2 .bar{display:inline-block;width:8px;height:.9em;background:var(--grad);border-radius:4px;
  vertical-align:-2px;margin-right:14px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.sec-head.left{text-align:left}
.sec-head.left p{max-width:620px}

/* 统计条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-42px;position:relative;z-index:5}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:16px;transition:.3s}
.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.stat-ico{width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,rgba(30,111,255,.14),rgba(123,92,255,.1));
  display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--brand)}
.stat-ico svg{width:26px;height:26px}
.stat-n{font-size:30px;font-weight:900;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-t{font-size:13px;color:var(--muted);margin-top:2px}

/* 卡片网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s;position:relative}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.card .cv{height:186px;overflow:hidden;background:linear-gradient(135deg,#eef4ff,#e5ecff);position:relative}
.card .cv img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.card:hover .cv img{transform:scale(1.07)}
.card .badge{position:absolute;top:14px;left:14px;background:var(--grad-accent);color:#fff;font-size:12px;
  font-weight:700;padding:5px 13px;border-radius:999px;box-shadow:0 6px 16px rgba(255,122,0,.3)}
.card .padd{padding:20px}
.card .cat{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:1px;text-transform:uppercase}
.card h3{font-size:18px;font-weight:800;margin:8px 0 10px;line-height:1.5}
.card h3 a:hover{color:var(--brand)}
.card .desc{color:var(--muted);font-size:14px;min-height:44px;margin-bottom:14px}
.card .price{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.card .price b{font-size:24px;font-weight:900;color:var(--accent)}
.card .price b small{font-size:14px;font-weight:700}
.card .price del{color:#aeb7c9;font-size:14px}
.card .price .sales{margin-left:auto;font-size:12px;color:var(--muted)}
.card .foot{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card .foot .btn-sm{padding:9px 20px}

/* 资讯列表 / 卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:.35s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.news-card .ni{height:170px;overflow:hidden;background:#eef4ff}
.news-card .ni img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-card:hover .ni img{transform:scale(1.07)}
.news-card .np{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:10px}
.news-card h3{font-size:17px;font-weight:800;line-height:1.55;margin:0 0 10px;flex:1}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{color:var(--muted);font-size:13.5px;margin:0 0 14px}
.news-card .more{font-size:13px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.tag{display:inline-block;background:rgba(30,111,255,.1);color:var(--brand);font-size:12px;font-weight:700;
  padding:3px 12px;border-radius:999px}
.list-item{display:flex;gap:20px;padding:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow);transition:.3s;align-items:center}
.list-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}
.list-item .ci{width:190px;height:126px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;background:#eef4ff}
.list-item .ci img{width:100%;height:100%;object-fit:cover}
.list-item img.plain{width:190px;height:126px;object-fit:cover;border-radius:var(--radius-sm)}
.list-item h3{font-size:18px;font-weight:800;margin:0 0 8px}
.list-item h3 a:hover{color:var(--brand)}
.list-item p{color:var(--muted);font-size:14px;margin:8px 0 0}

/* 优势特色 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;
  box-shadow:var(--shadow);transition:.35s;text-align:left;position:relative;overflow:hidden}
.feature::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:.3s}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature:hover::before{opacity:1}
.feature .fi{width:58px;height:58px;border-radius:17px;background:var(--grad);color:#fff;display:flex;
  align-items:center;justify-content:center;margin-bottom:20px;box-shadow:0 10px 24px rgba(30,111,255,.25)}
.feature .fi svg{width:28px;height:28px}
.feature h3{font-size:18px;font-weight:800;margin:0 0 10px}
.feature p{color:var(--muted);font-size:14px;margin:0}

/* CTA 带 */
.cta-band{position:relative;border-radius:26px;overflow:hidden;background:var(--grad-deep);color:#fff;
  padding:56px 60px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(12,30,74,.24)}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-80px;top:-160px;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%)}
.cta-band h2{font-size:32px;font-weight:900;margin:0 0 10px;position:relative}
.cta-band p{font-size:16px;color:rgba(255,255,255,.85);margin:0;position:relative}
.cta-band .btn{position:relative;background:#fff;color:var(--brand);box-shadow:0 12px 30px rgba(0,0,0,.18)}
.cta-band .btn:hover{color:var(--brand);transform:translateY(-3px)}

/* 详情页 */
.article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:44px;box-shadow:var(--shadow);max-width:900px;margin:0 auto}
.article h1{font-size:32px;font-weight:900;line-height:1.4;margin:0 0 16px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:26px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article .content{font-size:16px;line-height:2}
.article .content img{max-width:100%;border-radius:var(--radius-sm);margin:16px 0}
.article .cover{width:100%;max-height:420px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:28px}
.article .price-box{background:linear-gradient(135deg,#fff7f0,#fff);border:1px solid #ffe4cc;border-radius:var(--radius-sm);
  padding:20px 24px;margin:24px 0;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.article .price-box b{font-size:30px;color:var(--accent);font-weight:900}
.article .price-box del{color:#aeb7c9}

/* 表单 */
.form{max-width:560px;margin:0 auto;background:var(--surface);padding:36px;border-radius:20px;
  border:1px solid var(--line);box-shadow:var(--shadow)}
.form h2{font-size:24px;font-weight:900;margin:0 0 8px;text-align:center}
.form .lead{text-align:center;color:var(--muted);font-size:14px;margin-bottom:24px}
.form label{display:block;margin:16px 0 7px;font-weight:700;font-size:14px}
.form input,.form textarea,.form select{width:100%;padding:13px 15px;border:1.5px solid var(--line);
  border-radius:12px;font-size:15px;background:#fbfcff;transition:.25s;outline:none}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(30,111,255,.1)}
.form .btn{width:100%;margin-top:24px;padding:14px}
.form .agree{display:flex;align-items:flex-start;gap:8px;font-weight:400;font-size:13px;color:var(--muted);margin-top:18px}
.form .agree input{width:auto;margin-top:4px}
.form .agree a{color:var(--brand);font-weight:700}
.alert{padding:13px 18px;border-radius:12px;margin:14px 0;font-size:14px}
.alert.ok{background:#e9f9ef;color:#147a3d;border:1px solid #c6efd5}
.alert.err{background:#fdeceb;color:#bd3a2e;border:1px solid #f7cfcb}
.form .alert{margin:0 0 16px}

/* 分页 */
.pager{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:30px}
.pager a{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:14px;font-weight:700;color:var(--muted)}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager a.cur{background:var(--grad);color:#fff;border-color:transparent}

/* 页脚 */
.site-footer{background:#0c1732;color:#a9b6d0;margin-top:76px;padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;left:-200px;top:-320px;
  background:radial-gradient(circle,rgba(30,111,255,.18),transparent 70%)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;position:relative}
.foot-brand img{height:48px;width:auto;margin-bottom:18px}
.foot-brand p{font-size:14px;line-height:1.9;color:#8e9cbb;max-width:320px;margin:0}
.foot-col h4{color:#fff;font-size:16px;font-weight:800;margin:0 0 18px}
.foot-col a{display:block;font-size:14px;padding:6px 0;color:#8e9cbb;transition:.2s}
.foot-col a:hover{color:#fff;transform:translateX(4px)}
.foot-contact p{font-size:14px;color:#8e9cbb;margin:0 0 10px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.09);margin-top:48px;padding:22px 0;text-align:center;
  font-size:13px;color:#7c89a8;position:relative}

/* 简洁主题：关闭抽屉动效，布局更紧凑 */
.t-default .section{padding:52px 0}
.t-default .sec-head{margin-bottom:32px}
.t-default .reveal-scroll{opacity:1;transform:none;transition:none}
.t-default .card,.t-default .news-card,.t-default .feature,.t-default .stat-card{border-radius:14px}

/* 抽屉滚动动效 */
.reveal-scroll{opacity:0;transform:translateY(48px);transition:opacity .85s cubic-bezier(.2,.7,.2,1),transform .85s cubic-bezier(.2,.7,.2,1)}
.reveal-scroll.from-left{transform:translateX(-64px)}
.reveal-scroll.from-right{transform:translateX(64px)}
.reveal-scroll.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal-scroll{opacity:1;transform:none;transition:none}}

/* 效果图首页（自动生成） */
.effect-hero{position:relative;border-radius:26px;overflow:hidden;margin-top:26px;box-shadow:0 26px 64px rgba(12,30,74,.22)}
.effect-hero img{width:100%;height:auto;display:block}
.effect-hero .effect-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  padding:0 64px;background:linear-gradient(90deg,rgba(6,18,46,.86),rgba(6,18,46,.32) 58%,transparent 88%);color:#fff}
.effect-hero .effect-overlay h1{font-size:clamp(30px,3.2vw,46px);font-weight:900;line-height:1.24;margin:0 0 16px;max-width:760px}
.effect-hero .effect-overlay p{font-size:18px;color:rgba(255,255,255,.88);max-width:560px;margin:0 0 30px}
.effect-hero .effect-overlay .hero-acts{display:flex;gap:14px;flex-wrap:wrap}
.effect-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.auto-badge{display:inline-block;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--brand);
  background:rgba(30,111,255,.1);padding:4px 12px;border-radius:999px;margin-bottom:12px}

/* 响应式 */
@media(max-width:1024px){
  .main-nav{gap:0}.main-nav a{padding:8px 9px;font-size:14px}
  .stat-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{padding:0 16px}
  .head-in{height:66px;gap:12px}
  .brand img{height:38px}
  .menu-toggle{display:block;margin-left:auto}
  .main-nav{display:none;position:absolute;top:66px;left:0;right:0;background:rgba(255,255,255,.98);
    flex-direction:column;align-items:stretch;padding:12px 18px 20px;box-shadow:0 18px 34px rgba(12,30,74,.14);gap:2px}
  .main-nav.open{display:flex}
  .main-nav a{padding:11px 8px;font-size:15px}
  .t-grand .main-nav{background:rgba(9,20,46,.98)}
  .head-act .hi,.head-act .lnk{display:none}
  .head-act .btn{padding:9px 16px;font-size:13px}
  .hero-slides,.t-default .hero-slides{height:400px}
  .hero-body,.effect-hero .effect-overlay{padding:0 26px}
  .hero-body h1,.effect-hero .effect-overlay h1{font-size:30px}
  .hero-body p,.effect-hero .effect-overlay p{font-size:15px}
  .hero-dots{left:26px}.hero-scroll,.hero-count{display:none}
  .hero-arrow{width:38px;height:38px;font-size:16px}
  .section{padding:48px 0}
  .stat-grid{margin-top:20px;grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-card{padding:18px 14px;gap:10px}.stat-ico{width:42px;height:42px}.stat-n{font-size:22px}
  .news-grid,.feature-grid,.grid{grid-template-columns:1fr}
  .cta-band{padding:36px 26px}.cta-band h2{font-size:25px}
  .article{padding:26px 20px}.article h1{font-size:24px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .list-item{flex-direction:column;align-items:stretch}
  .list-item .ci,.list-item img.plain{width:100%;height:170px}
  .form{padding:26px 20px}
}

/* ============================================================
   v3 · 表单提示 / 结果页 / 注册协议弹窗 / 验证码
   ============================================================ */
.form-msg{display:none;align-items:flex-start;gap:10px;padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.75;margin:0 0 16px}
.form-msg.show{display:flex}
.form-msg.ok{background:#e9f9ef;color:#147a3d;border:1px solid #c6efd5}
.form-msg.err{background:#fdeceb;color:#bd3a2e;border:1px solid #f7cfcb}
.form-msg .fm-ico{flex-shrink:0;width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:800;margin-top:1px}
.form-msg.ok .fm-ico{background:#22a35a}
.form-msg.err .fm-ico{background:#d9534f}
.form-msg .fm-link{margin-left:auto;white-space:nowrap;font-weight:700;text-decoration:underline;color:inherit}

.toast{position:fixed;top:24px;right:24px;z-index:200;display:flex;align-items:center;gap:12px;max-width:min(420px,90vw);
  padding:14px 20px;border-radius:14px;background:#fff;color:var(--ink);font-size:14px;font-weight:600;line-height:1.6;
  box-shadow:0 18px 44px rgba(12,30,74,.18);border:1px solid var(--line);opacity:0;transform:translateY(-16px);
  pointer-events:none;transition:opacity .3s,transform .3s}
.toast.show{opacity:1;transform:none}
.toast .toast-ico{width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800;flex-shrink:0}
.toast.ok .toast-ico{background:#22a35a}
.toast.err .toast-ico{background:#d9534f}
.toast.ok{border-left:4px solid #22a35a}
.toast.err{border-left:4px solid #d9534f}

.modal{position:fixed;inset:0;z-index:150;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(9,20,46,.58);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.modal-box{position:relative;width:min(660px,100%);max-height:84vh;display:flex;flex-direction:column;background:#fff;
  border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(6,16,40,.34);animation:modalIn .28s cubic-bezier(.2,.7,.2,1)}
@keyframes modalIn{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{padding:20px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-head h3{margin:0;font-size:19px;font-weight:900;color:var(--ink)}
.modal-x{background:none;border:0;font-size:28px;line-height:1;color:#a3adc2;cursor:pointer;padding:0 4px}
.modal-x:hover{color:var(--brand)}
.modal-body{padding:22px 28px;overflow:auto;font-size:14.5px;line-height:2;color:#4c5872}
.modal-body p{margin:0 0 12px}
.modal-body h1,.modal-body h2,.modal-body h3,.modal-body h4{color:var(--ink);font-size:16px;margin:16px 0 8px;font-weight:800}
.modal-foot{padding:16px 26px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.modal-foot .btn{padding:10px 22px;font-size:14px}
.agreement-new{margin-right:auto;font-size:13px;color:var(--brand);font-weight:600}
.agreement-new:hover{text-decoration:underline}
body.modal-lock{overflow:hidden}

.result-page{min-height:62vh;display:flex;align-items:center;justify-content:center;padding:46px 0}
.result-card{width:min(560px,100%);background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:44px 40px;text-align:center;box-shadow:var(--shadow)}
.result-ico{width:74px;height:74px;border-radius:50%;margin:0 auto 22px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:36px;font-weight:800;box-shadow:0 12px 28px rgba(30,111,255,.25)}
.result-card.ok .result-ico{background:var(--grad)}
.result-card.err .result-ico{background:linear-gradient(120deg,#FF7A00,#e5544b)}
.result-card h1{font-size:26px;font-weight:900;margin:0 0 10px}
.result-msg{color:var(--muted);font-size:15px;line-height:1.95;margin:0 0 26px;word-break:break-word}
.result-acts{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.result-acts .btn{padding:11px 22px;font-size:14px}
.result-tip{color:#a0a9bd;font-size:12px;margin:18px 0 0}

.verify-code{letter-spacing:8px!important;font-size:22px!important;font-weight:800;text-align:center;font-variant-numeric:tabular-nums}

@media(max-width:768px){
  .toast{left:16px;right:16px;top:16px;max-width:none}
  .modal{padding:12px}
  .modal-box{max-height:88vh}
  .modal-head,.modal-foot{padding:16px 20px}
  .modal-body{padding:18px 20px}
  .result-card{padding:32px 22px}
  .result-card h1{font-size:22px}
  .form-msg{flex-wrap:wrap}
}

/* ============================================================
   内页通用精致组件（单页 / 名师团队 / 关于 / 联系）
   跟随 theme-vars.css 整站风格变量，两套主题通用
   ============================================================ */
.page-hero{position:relative;overflow:hidden;margin:26px 0 0;border-radius:26px;
  background:var(--grad-deep);box-shadow:0 26px 60px rgba(12,30,74,.18);padding:56px 60px 52px;min-height:250px}
.page-hero-glow{position:absolute;right:-80px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 68%);pointer-events:none}
.page-hero-grid{position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:44px 44px;mask-image:linear-gradient(90deg,transparent 40%,#000 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 40%,#000 100%)}
.page-hero-inner{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.82);transition:.2s}.crumb a:hover{color:#fff}
.crumb span{opacity:.5}.crumb b{color:#fff;font-weight:600}
.page-hero-eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:3px;color:var(--accent);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.page-hero h1{font-size:clamp(30px,3.4vw,46px);font-weight:900;color:#fff;letter-spacing:1px;line-height:1.25;margin:0 0 12px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.86);margin:0;max-width:620px}
.page-hero-deco{position:absolute;right:64px;bottom:36px;font-size:110px;line-height:1;color:rgba(255,255,255,.09);
  font-weight:900;pointer-events:none;user-select:none}
.t-default .page-hero{border-radius:20px;padding:44px 46px;min-height:210px}

/* 内容主卡 */
.page-content-wrap{max-width:960px;margin:34px auto 0}
.page-content-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 42px;box-shadow:var(--shadow)}
.pc-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.pc-mark{width:8px;height:26px;border-radius:6px;background:var(--grad);flex-shrink:0}
.pc-head h2{font-size:24px;font-weight:900;margin:0;letter-spacing:.5px;white-space:nowrap}
.pc-line{flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.pc-content{font-size:16px;line-height:2.1;color:#3d4a66}
.pc-content p{margin:0 0 16px}
.pc-content h2,.pc-content h3{font-size:20px;font-weight:800;color:var(--ink);margin:22px 0 12px}
.pc-content img{max-width:100%;border-radius:var(--radius-sm);margin:14px 0}
.pc-content ul,.pc-content ol{padding-left:22px;margin:0 0 16px}

/* 名师卡片 */
.teacher-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0 6px}
.teacher-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.teacher-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover)}
.tc-avatar{position:relative;height:190px;overflow:hidden;background:var(--bg)}
.tc-avatar img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.teacher-card:hover .tc-avatar img{transform:scale(1.06)}
.tc-years{position:absolute;left:14px;bottom:14px;background:rgba(8,20,50,.68);backdrop-filter:blur(6px);
  color:#fff;font-size:12px;font-weight:700;padding:6px 13px;border-radius:999px;letter-spacing:.5px}
.tc-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.tc-subject{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--brand);margin-bottom:7px}
.tc-body h3{font-size:21px;font-weight:900;margin:0 0 4px}
.tc-title{font-size:13px;color:var(--muted);margin-bottom:12px}
.tc-motto{font-size:14px;font-weight:600;color:var(--ink);background:var(--bg);border-left:3px solid var(--accent);
  padding:9px 13px;border-radius:0 8px 8px 0;margin-bottom:12px;line-height:1.65}
.tc-intro{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0 0 16px}
.tc-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
.tc-tags span{font-size:12px;color:var(--brand);background:rgba(30,111,255,.08);
  border:1px solid rgba(30,111,255,.16);padding:4px 11px;border-radius:999px}

/* 关于我们：数据条 + 价值卡 */
.page-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 0}
.ps-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:24px 18px;text-align:center;box-shadow:var(--shadow)}
.ps-item b{display:block;font-size:32px;font-weight:900;line-height:1.1;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.ps-item b em{font-size:17px;font-style:normal}
.ps-item span{display:block;font-size:13px;color:var(--muted);margin-top:8px}
.page-values{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:18px 0 0}
.pv-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .3s}
.pv-item:hover{transform:translateY(-4px)}
.pv-ico{font-size:15px;font-weight:900;color:var(--accent);letter-spacing:2px;margin-bottom:12px}
.pv-item h3{font-size:18px;font-weight:800;margin:0 0 8px}
.pv-item p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}

/* 联系我们 */
.page-contact{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 0}
.pct-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;text-align:center;box-shadow:var(--shadow);transition:transform .3s}
.pct-card:hover{transform:translateY(-5px)}
.pct-ico{width:52px;height:52px;border-radius:16px;background:var(--grad);color:#fff;font-size:24px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 10px 22px rgba(30,111,255,.24)}
.pct-card h3{font-size:15px;font-weight:700;color:var(--muted);margin:0 0 8px}
.pct-card p{font-size:17px;font-weight:800;margin:0 0 6px;word-break:break-all}
.pct-card span{font-size:12px;color:var(--muted)}
.page-cta-inline{text-align:center;margin:30px 0 4px}

/* 底部 CTA 带 */
.page-cta-band{margin:56px 0 10px;border-radius:24px;overflow:hidden;background:var(--grad);
  box-shadow:0 24px 56px rgba(30,111,255,.24);position:relative}
.page-cta-band::before{content:"";position:absolute;right:-60px;top:-100px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.2),transparent 70%)}
.pcb-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:26px;
  padding:38px 46px;flex-wrap:wrap}
.pcb-eyebrow{font-size:12px;font-weight:800;letter-spacing:3px;color:rgba(255,255,255,.8)}
.pcb-inner h2{font-size:27px;font-weight:900;color:#fff;margin:6px 0 8px}
.pcb-inner p{font-size:15px;color:rgba(255,255,255,.85);margin:0}
.pcb-acts{display:flex;gap:12px;flex-wrap:wrap}
.pcb-acts .btn{background:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(0,0,0,.16)}
.pcb-acts .btn:hover{transform:translateY(-2px)}
.pcb-acts .btn.accent{background:var(--grad-accent);color:#fff}
.pcb-acts .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}

@media(max-width:1024px){
  .teacher-grid{grid-template-columns:repeat(2,1fr)}
  .page-hero{padding:44px 40px}
}
@media(max-width:768px){
  .page-hero{padding:34px 24px;min-height:0;border-radius:18px;margin-top:16px}
  .page-hero-deco{display:none}
  .page-content-card{padding:26px 22px}
  .pc-head h2{font-size:20px}
  .teacher-grid,.page-values,.page-contact{grid-template-columns:1fr}
  .page-stats{grid-template-columns:repeat(2,1fr)}
  .page-cta-band{margin:36px 0 6px;border-radius:18px}
  .pcb-inner{padding:28px 24px}
  .pcb-inner h2{font-size:22px}
}

/* ============================================================
   v1.4 · 名师详情页 / 分组页 / 在线试看 / 名师预约
   ============================================================ */
.page-hero h1 small{display:inline-block;font-size:16px;font-weight:600;letter-spacing:0;
  color:rgba(255,255,255,.82);margin-left:14px;vertical-align:middle}
.td-wrap{display:grid;grid-template-columns:300px 1fr;gap:26px;margin:34px 0 10px;align-items:start}
.td-profile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);position:sticky;top:100px;text-align:center}
.td-avatar{width:150px;height:150px;margin:0 auto 16px;border-radius:22px;overflow:hidden;
  background:var(--bg);border:4px solid #fff;box-shadow:0 12px 30px rgba(18,38,86,.14)}
.td-avatar img{width:100%;height:100%;object-fit:cover}
.td-badge{display:inline-block;font-size:12px;font-weight:800;letter-spacing:1px;color:var(--brand);
  background:rgba(30,111,255,.09);border:1px solid rgba(30,111,255,.18);padding:5px 14px;border-radius:999px}
.td-profile h2{font-size:26px;font-weight:900;margin:12px 0 2px}
.td-role{font-size:13px;color:var(--muted);line-height:1.6}
.td-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:20px 0 18px;
  padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.td-meta b{display:block;font-size:19px;font-weight:900;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.td-meta span{font-size:11px;color:var(--muted)}
.td-tags{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin-bottom:18px}
.td-tags span{font-size:12px;color:var(--brand);background:rgba(30,111,255,.08);
  border:1px solid rgba(30,111,255,.16);padding:4px 10px;border-radius:999px}
.td-side-acts{display:flex;flex-direction:column;gap:10px}
.td-side-acts .btn{width:100%}
.td-side-tip{font-size:12px;color:var(--muted);line-height:1.75;margin:14px 0 0;text-align:left}
.td-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 40px;box-shadow:var(--shadow);min-width:0}
.td-section-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.td-mark{width:8px;height:26px;border-radius:6px;background:var(--grad);flex-shrink:0}
.td-section-head h2{font-size:23px;font-weight:900;margin:0;white-space:nowrap}
.td-line{flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.td-content{font-size:16px;line-height:2.1;color:#3d4a66}
.td-content p{margin:0 0 16px}
.td-content h2,.td-content h3{font-size:19px;font-weight:800;color:var(--ink);margin:24px 0 10px}
.td-content ul,.td-content ol{padding-left:22px;margin:0 0 18px}
.td-content li{margin:5px 0}
.td-content blockquote{margin:18px 0;padding:14px 20px;background:var(--bg);
  border-left:4px solid var(--accent);border-radius:0 10px 10px 0;color:var(--ink);font-weight:600}
.td-content img{max-width:100%;border-radius:var(--radius-sm);margin:12px 0}
.td-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 4px;padding-top:24px;border-top:1px solid var(--line)}
.td-btn{padding:12px 24px;font-size:15px}

/* 在线试看 */
.trial-box{margin-top:28px;background:linear-gradient(145deg,#0d1c40,#16295b);border-radius:var(--radius);
  padding:26px 28px;color:#fff;box-shadow:0 18px 44px rgba(12,30,74,.2);scroll-margin-top:100px}
.trial-head{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.trial-ico{width:46px;height:46px;border-radius:14px;background:var(--grad-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.trial-head h2{font-size:20px;font-weight:800;margin:0 0 2px}
.trial-head p{font-size:13px;color:rgba(255,255,255,.72);margin:0}
.trial-frame{background:#000;border-radius:14px;overflow:hidden;aspect-ratio:16/9}
.trial-frame video,.trial-frame iframe{width:100%;height:100%;display:block;border:0;object-fit:contain}
.trial-link{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:26px;text-align:center}
.trial-link p{color:rgba(255,255,255,.8);font-size:14px;margin:0 0 16px}
.trial-tip{font-size:12.5px;color:rgba(255,255,255,.66);line-height:1.8;margin:16px 0 0}

/* 名师卡片操作区 / 试看角标 */
.tc-acts{display:flex;gap:14px;align-items:center;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.tc-acts a{font-size:13px;font-weight:700;color:var(--brand)}
.tc-acts a:last-child{color:var(--accent)}
.tc-acts a:hover{text-decoration:underline}
.tc-trial{position:absolute;right:14px;bottom:14px;background:var(--grad-accent);color:#fff;
  font-size:11px;font-weight:800;padding:5px 11px;border-radius:999px;letter-spacing:.5px}

/* 分组页 */
.tg-tabs{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:26px 0 6px}
.tg-tabs a{font-size:13.5px;font-weight:700;color:var(--brand);background:var(--surface);
  border:1px solid var(--line);padding:9px 18px;border-radius:999px;box-shadow:var(--shadow);transition:.25s}
.tg-tabs a:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.tg-tabs .tg-all{margin-left:auto;color:var(--accent)}
.tg-stage{margin-top:34px;scroll-margin-top:100px}
.tg-filter{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 4px}
.tg-filter button{border:1px solid var(--line);background:var(--surface);color:var(--muted);
  font-size:13px;font-weight:700;padding:8px 18px;border-radius:999px;cursor:pointer;transition:.2s}
.tg-filter button:hover{border-color:var(--brand);color:var(--brand)}
.tg-filter button.on{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(30,111,255,.22)}

/* 名师预约留言卡 */
.booking-card{display:flex;align-items:center;gap:16px;background:linear-gradient(120deg,#f3f7ff,#fdf5ee);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;margin-bottom:18px}
.booking-card img{width:64px;height:64px;border-radius:16px;object-fit:cover;flex-shrink:0}
.booking-card .bc-label{font-size:11px;font-weight:800;letter-spacing:2px;color:var(--accent)}
.booking-card h3{font-size:19px;font-weight:900;margin:2px 0 0}
.booking-card h3 small{font-size:12px;font-weight:600;color:var(--muted);margin-left:8px}
.booking-card p{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.booking-card > a{margin-left:auto;font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap}

@media(max-width:960px){
  .td-wrap{grid-template-columns:1fr}
  .td-profile{position:static;display:grid;grid-template-columns:110px 1fr;gap:10px 18px;text-align:left}
  .td-avatar{width:110px;height:110px;margin:0;grid-row:span 3}
  .td-profile h2{margin:0;font-size:22px}
  .td-meta,.td-tags,.td-side-acts,.td-side-tip{grid-column:1/-1}
  .td-main{padding:26px 24px}
}
@media(max-width:768px){
  .td-main{padding:22px 18px}
  .td-section-head h2,.page-hero h1 small{font-size:18px}
  .td-actions{flex-direction:column}
  .td-btn{width:100%;text-align:center}
  .trial-box{padding:20px 16px}
  .booking-card{flex-wrap:wrap}
  .booking-card > a{margin-left:0}
  .tg-tabs .tg-all{margin-left:0}
}


/* ============================================================
   v1.5 视觉重构 · 大气首页 / 全站栏目 Banner / 精致内页
   追加式覆盖：旧组件类全部保留，新组件统一 pb-/sb-/sc-/cs-/pr- 前缀
   ============================================================ */
.main-body{padding-top:30px;padding-bottom:76px}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.6px;text-transform:uppercase;color:var(--brand)}
.eyebrow.light{color:rgba(255,255,255,.72)}

/* ---------- 沉浸式 Hero（突破 container 全宽，但内容仍对齐栅格） ---------- */
.hero.hero-v2{position:relative;margin:0 0 0 calc(50% - 50vw);width:100vw;border-radius:0;box-shadow:none;background:#071a3f;overflow:hidden}
.hero.hero-v2 .hero-slides{height:clamp(520px,72vh,700px)}
.hero.hero-v2 .hero-bg{object-position:center}
.hero.hero-v2 .hero-slide{transition:opacity .9s ease,transform 1.4s cubic-bezier(.2,.7,.2,1)}
.hero.hero-v2 .hero-slide.active .hero-bg{animation:heroKen 9s ease-out both}
@keyframes heroKen{from{transform:scale(1.06)}to{transform:scale(1)}}
.hero.hero-v2 .hero-mask{background:
  linear-gradient(90deg,rgba(4,12,34,.94) 0%,rgba(4,12,34,.78) 34%,rgba(4,12,34,.28) 68%,rgba(4,12,34,.10) 100%),
  linear-gradient(0deg,rgba(4,12,34,.62) 0%,transparent 48%)}
.hero.hero-v2 .hero-body{left:max(24px,calc((100vw - var(--maxw))/2 + 24px));max-width:620px;padding-right:12px}
.hero.hero-v2 .hero-kicker{font-size:12px;letter-spacing:3px;color:rgba(255,255,255,.82);font-weight:700;text-transform:uppercase}
.hero.hero-v2 .hero-kicker::before{width:34px;height:2px;background:var(--accent)}
.hero.hero-v2 .hero-kicker i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-left:12px;box-shadow:0 0 0 4px rgba(255,122,0,.18)}
.hero.hero-v2 .hero-body h1{font-size:clamp(38px,4.5vw,66px);line-height:1.14;letter-spacing:-1.2px;font-weight:900;margin:20px 0 18px;
  text-shadow:0 6px 34px rgba(0,0,0,.28);text-wrap:balance}
.hero.hero-v2 .hero-body p{font-size:clamp(15px,1.35vw,19px);line-height:1.85;color:rgba(255,255,255,.86);max-width:520px;margin-bottom:34px}
.hero.hero-v2 .hero-acts .btn{min-width:168px;padding:14px 28px;font-size:15px;border-radius:999px}
.hero.hero-v2 .hero-acts .btn.accent span{margin-left:6px}
.hero.hero-v2 .hero-acts .btn.ghost{background:rgba(255,255,255,.08);border:1.5px solid rgba(255,255,255,.6);color:#fff;backdrop-filter:blur(6px)}
.hero.hero-v2 .hero-acts .btn.ghost:hover{background:rgba(255,255,255,.2)}
.hero.hero-v2 .hero-arrow{width:46px;height:46px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);backdrop-filter:blur(8px)}
.hero.hero-v2 .hero-arrow.prev{left:max(18px,calc((100vw - var(--maxw))/2 - 66px))}
.hero.hero-v2 .hero-arrow.next{right:24px}
.hero.hero-v2 .hero-dots{bottom:36px;left:max(24px,calc((100vw - var(--maxw))/2 + 24px))}
.hero.hero-v2 .hero-dots span{width:30px;height:4px}
.hero.hero-v2 .hero-dots span.active{width:58px;background:var(--accent)}
.hero.hero-v2 .hero-count{bottom:34px;right:28px;font-size:12px;letter-spacing:3px}
.hero.hero-v2 .hero-count b{color:var(--accent);font-size:18px}
.hero.hero-v2 .hero-scroll{display:none}
.hero-float{position:absolute;right:max(24px,calc((100vw - var(--maxw))/2 + 10px));top:50%;transform:translateY(-50%);z-index:4;
  display:flex;flex-direction:column;gap:14px;width:242px}
.hf-card{display:flex;align-items:center;gap:13px;padding:14px 16px;border-radius:16px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(16px);
  color:#fff;box-shadow:0 16px 40px rgba(0,0,0,.18);animation:hfIn .9s both}
.hf-card:nth-child(2){margin-left:-34px;animation-delay:.14s}
.hf-card:nth-child(3){margin-left:-14px;animation-delay:.28s}
@keyframes hfIn{from{opacity:0;transform:translateX(26px)}to{opacity:1;transform:none}}
.hf-ico{width:38px;height:38px;flex-shrink:0;border-radius:12px;background:rgba(255,255,255,.16);display:grid;place-items:center}
.hf-ico svg{width:20px;height:20px}
.hf-card b{display:block;font-size:14px;font-weight:800}
.hf-card small{display:block;font-size:11.5px;color:rgba(255,255,255,.7);margin-top:1px}

/* ---------- 数据带（浮在 Hero 下沿，通透非网格） ---------- */
.stats-band{position:relative;z-index:6;display:grid;grid-template-columns:minmax(210px,.8fr) 2.7fr;align-items:center;gap:34px;
  margin:-54px 0 8px;padding:30px 38px;border-radius:22px;background:rgba(255,255,255,.97);
  border:1px solid rgba(232,238,248,.9);box-shadow:0 26px 60px rgba(12,30,74,.14);backdrop-filter:blur(12px)}
.sb-intro h2{font-size:18px;font-weight:900;line-height:1.55;margin:8px 0 0;letter-spacing:.2px}
.sb-nums{display:grid;grid-template-columns:repeat(4,1fr)}
.sb-item{padding:2px 22px;border-left:1px solid var(--line)}
.sb-item:first-child{border-left:0}
.sb-item b{display:block;font-size:clamp(26px,2.5vw,38px);font-weight:900;line-height:1.1;letter-spacing:-1px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sb-item span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}

/* ---------- 区块标题（左右分栏，不再居中机械） ---------- */
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;text-align:left;margin-bottom:34px}
.sec-head.split h2{font-size:clamp(26px,2.9vw,38px);font-weight:900;line-height:1.3;margin:10px 0 0;letter-spacing:-.4px}
.sec-head.split h2 .bar{display:inline-block;width:8px;height:.82em;border-radius:4px;background:var(--grad);margin-right:14px;vertical-align:-2px}
.sh-right{max-width:320px;text-align:right}
.sh-right p{color:var(--muted);font-size:14px;line-height:1.85;margin:0 0 12px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;color:var(--brand)}
.link-more span{transition:transform .25s}
.link-more:hover span{transform:translateX(5px)}

/* ---------- 课程：一大三小非对称 ---------- */
.course-layout{display:grid;grid-template-columns:1.06fr 1fr;gap:26px;align-items:stretch}
.course-feature{position:relative;display:block;min-height:410px;border-radius:22px;overflow:hidden;color:#fff;
  box-shadow:0 20px 50px rgba(12,30,74,.14)}
.course-feature>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.course-feature:hover>img{transform:scale(1.06)}
.cf-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,12,34,.06) 20%,rgba(4,12,34,.86) 100%)}
.cf-tag{position:absolute;top:18px;left:18px;padding:7px 15px;border-radius:999px;font-size:12px;font-weight:800;
  background:var(--grad-accent);box-shadow:0 8px 20px rgba(255,122,0,.3)}
.cf-body{position:absolute;left:0;right:0;bottom:0;padding:28px}
.cf-cat{font-size:11px;letter-spacing:2px;color:rgba(255,255,255,.72);font-weight:800}
.cf-body h3{font-size:26px;font-weight:900;line-height:1.4;margin:10px 0 8px}
.cf-body p{font-size:13.5px;color:rgba(255,255,255,.8);line-height:1.8;margin:0 0 18px}
.cf-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.2);padding-top:16px}
.cf-foot b{font-size:28px;font-weight:900;color:#ffd08a}
.cf-foot b small{font-size:15px}
.cf-foot span{font-size:13px;font-weight:700}
.course-list{display:flex;flex-direction:column;gap:14px}
.course-mini{display:flex;align-items:center;gap:16px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;transition:transform .3s,box-shadow .3s,border-color .3s;flex:1}
.course-mini:hover{transform:translateX(6px);box-shadow:var(--shadow-hover);border-color:rgba(30,111,255,.28)}
.cm-no{font-size:13px;font-weight:900;color:var(--brand);opacity:.55;letter-spacing:1px}
.cm-img{width:74px;height:64px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--bg)}
.cm-img img{width:100%;height:100%;object-fit:cover}
.cm-main{flex:1;min-width:0}
.cm-main b{display:block;font-size:15.5px;font-weight:800;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cm-main small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px}
.cm-price{font-size:17px;font-weight:900;color:var(--accent);white-space:nowrap}
.course-mini.empty{color:var(--muted);justify-content:center}

/* ---------- 深色特色带 ---------- */
.showcase{position:relative;margin:64px 0 64px calc(50% - 50vw);width:100vw;color:#fff;overflow:hidden;
  background:linear-gradient(118deg,#071737 0%,#102b63 52%,#1d3f8f 100%)}
.showcase::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;left:-180px;top:-260px;
  background:radial-gradient(circle,rgba(90,210,255,.28),transparent 68%)}
.showcase::after{content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:76px 76px;mask-image:linear-gradient(90deg,#000,transparent 70%)}
.sc-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:76px 24px;display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.sc-left h2{font-size:clamp(28px,3.1vw,42px);font-weight:900;line-height:1.35;margin:16px 0 16px;letter-spacing:-.5px}
.sc-left p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.9;margin:0 0 28px;max-width:400px}
.sc-left .btn.light{background:#fff;color:#14306e;box-shadow:0 14px 34px rgba(0,0,0,.22)}
.sc-deco{display:flex;gap:8px;margin-top:38px}
.sc-deco i{width:34px;height:3px;border-radius:3px;background:rgba(255,255,255,.25)}
.sc-deco i:first-child{width:62px;background:var(--accent)}
.sc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sc-card{padding:26px 24px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);transition:transform .35s,background .35s}
.sc-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.14)}
.sc-ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.14);margin-bottom:16px}
.sc-ico svg{width:23px;height:23px}
.sc-card h3{font-size:17px;font-weight:800;margin:0 0 8px}
.sc-card p{font-size:13px;color:rgba(255,255,255,.7);line-height:1.8;margin:0}

/* ---------- 资讯：主推 + 紧凑列表 ---------- */
.news-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:28px}
.news-lead{display:block;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:transform .35s,box-shadow .35s}
.news-lead:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.nl-img{height:238px;overflow:hidden;background:var(--bg)}
.nl-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.news-lead:hover .nl-img img{transform:scale(1.06)}
.nl-body{padding:24px}
.nl-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-bottom:12px}
.nl-body h3{font-size:20px;font-weight:900;line-height:1.5;margin:0 0 10px}
.nl-body p{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0 0 16px}
.nl-more{font-size:13px;font-weight:800;color:var(--brand)}
.news-list{display:flex;flex-direction:column}
.news-row{display:flex;align-items:center;gap:18px;padding:19px 6px;border-bottom:1px solid var(--line);
  transition:padding .3s,background .3s}
.news-row:first-child{padding-top:4px}
.news-row:hover{padding-left:12px;background:rgba(30,111,255,.035)}
.nr-no{font-size:15px;font-weight:900;color:var(--brand);opacity:.45;letter-spacing:1px}
.nr-main{flex:1;min-width:0}
.nr-cat{display:block;font-size:11.5px;font-weight:700;color:var(--brand);letter-spacing:.6px;margin-bottom:5px}
.nr-main b{display:block;font-size:15.5px;font-weight:800;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nr-date{font-size:12px;color:var(--muted);white-space:nowrap}
.news-row.empty{padding:30px;color:var(--muted);justify-content:center}

/* ---------- CTA ---------- */
.cta-band.cta-v2{position:relative;border-radius:26px;padding:52px 56px;overflow:hidden;
  background:linear-gradient(116deg,#08183c 0%,#173e92 58%,#4a3fb8 100%)}
.cta-band.cta-v2::before{display:none}
.cta-orb{position:absolute;width:460px;height:460px;border-radius:50%;right:-120px;top:-210px;
  background:radial-gradient(circle,rgba(120,220,255,.32),transparent 68%)}
.cta-in{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-in h2{font-size:clamp(24px,2.6vw,34px);font-weight:900;margin:10px 0 10px;line-height:1.35}
.cta-in p{font-size:15px;color:rgba(255,255,255,.78);margin:0}
.cta-acts{display:flex;gap:12px;flex-shrink:0}
.cta-acts .btn.light{background:#fff;color:#14306e}
.cta-acts .btn.ghost-light{background:rgba(255,255,255,.08);border:1.5px solid rgba(255,255,255,.45);color:#fff;box-shadow:none}
.btn.light span{margin-left:6px}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 全站统一内页 Banner ---------- */
.pb{position:relative;margin:0 0 0 calc(50% - 50vw);width:100vw;min-height:326px;overflow:hidden;
  background:linear-gradient(118deg,#071a3f,#1b4ba8 62%,#3c54c4);color:#fff}
.pb-bg{position:absolute;inset:0}
.pb-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.pb-veil{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(4,12,34,.89) 0%,rgba(4,12,34,.62) 45%,rgba(4,12,34,.22) 100%),
  linear-gradient(0deg,rgba(4,12,34,.42),transparent 60%)}
.pb-grid{position:absolute;inset:0;opacity:.3;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:74px 74px;mask-image:linear-gradient(90deg,#000,transparent 78%)}
.pb-glow{position:absolute;right:-120px;top:-220px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(120,210,255,.3),transparent 66%)}
.pb-plain{background:linear-gradient(118deg,#071a3f,#1b4ba8 62%,#3c54c4)}
.pb-in{position:relative;z-index:3;padding-top:52px;padding-bottom:78px}
.pb-crumb{display:flex;align-items:center;gap:10px;font-size:12.5px;color:rgba(255,255,255,.68);margin-bottom:34px}
.pb-crumb a:hover{color:#fff}
.pb-sep{opacity:.4}
.pb-crumb b{color:#fff;font-weight:700}
.pb-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:11.5px;font-weight:800;letter-spacing:3px;
  color:rgba(255,255,255,.8);text-transform:uppercase;margin-bottom:14px}
.pb-eyebrow i{width:26px;height:2px;border-radius:2px;background:var(--accent)}
.pb h1{font-size:clamp(30px,3.6vw,48px);font-weight:900;line-height:1.22;letter-spacing:-.6px;margin:0 0 14px;
  text-shadow:0 6px 30px rgba(0,0,0,.2)}
.pb-sub{font-size:clamp(14px,1.3vw,17px);color:rgba(255,255,255,.82);line-height:1.8;margin:0;max-width:720px}
.pb-rule{display:flex;align-items:center;gap:10px;margin-top:26px}
.pb-rule span{width:44px;height:3px;border-radius:3px;background:rgba(255,255,255,.25)}
.pb-rule em{width:64px;height:3px;border-radius:3px;background:var(--accent)}
.pb-orb{position:absolute;border:1px solid rgba(255,255,255,.13);border-radius:50%;pointer-events:none}
.pb-orb-1{width:360px;height:360px;right:8%;top:-130px}
.pb-orb-2{width:220px;height:220px;right:22%;bottom:-140px}
.pb-wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:64px;z-index:2}

/* ---------- 内页标题行 / 分类 chips ---------- */
.inner-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin:2px 0 26px}
.inner-head h2{font-size:clamp(24px,2.5vw,32px);font-weight:900;letter-spacing:-.4px;margin:8px 0 8px}
.inner-head p{color:var(--muted);font-size:14px;margin:0;line-height:1.8}
.ih-count{font-size:13px;color:var(--muted);white-space:nowrap;padding-bottom:6px}
.ih-count b{font-size:20px;font-weight:900;color:var(--brand);margin:0 4px}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}
.cat-chips a{padding:8px 18px;border-radius:999px;font-size:13px;font-weight:700;color:var(--muted);
  background:var(--surface);border:1px solid var(--line);transition:.25s}
.cat-chips a:hover,.cat-chips a.on{color:#fff;background:var(--grad);border-color:transparent;box-shadow:0 8px 20px rgba(30,111,255,.22)}

/* ---------- 信息流列表 ---------- */
.post-list{display:flex;flex-direction:column;gap:16px}
.post-row{display:grid;grid-template-columns:190px 76px 1fr;gap:22px;align-items:center;padding:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;transition:transform .3s,box-shadow .3s,border-color .3s}
.post-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(30,111,255,.24)}
.post-row.tight{grid-template-columns:76px 1fr}
.pr-media{height:126px;border-radius:12px;overflow:hidden;background:var(--bg)}
.pr-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.post-row:hover .pr-media img{transform:scale(1.07)}
.pr-date{text-align:center;border-right:1px solid var(--line);padding-right:14px}
.pr-date b{display:block;font-size:30px;font-weight:900;line-height:1.1;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.pr-date span{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.pr-main h3{font-size:18px;font-weight:800;line-height:1.5;margin:0 0 8px}
.pr-main h3 a:hover{color:var(--brand)}
.pr-main p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0 0 12px}
.pr-meta{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted)}
.pr-meta .tag{background:rgba(30,111,255,.09);color:var(--brand);padding:4px 12px;border-radius:999px;font-weight:700}
.pr-price{font-size:16px;font-weight:900;color:var(--accent)}
.pr-more{margin-left:auto;font-size:12.5px;font-weight:800;color:var(--brand)}
.pr-more i{font-style:normal;transition:transform .25s;display:inline-block}
.pr-more:hover i{transform:translateX(4px)}
.empty-state{text-align:center;padding:64px 20px;color:var(--muted);background:var(--surface);
  border:1px dashed var(--line);border-radius:18px}
.empty-state span{display:block;font-size:38px;color:var(--brand);opacity:.4;margin-bottom:12px}
.empty-state h3{font-size:19px;font-weight:800;color:var(--ink);margin:0 0 6px}
.empty-state p{font-size:13.5px;margin:0}
.pager{display:flex;justify-content:center;gap:8px;margin:36px 0 4px;flex-wrap:wrap}
.pager a{min-width:40px;height:40px;padding:0 12px;display:grid;place-items:center;border-radius:11px;
  background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--muted);transition:.25s}
.pager a:hover{color:var(--brand);border-color:var(--brand)}
.pager a.cur{color:#fff;background:var(--grad);border-color:transparent;box-shadow:0 8px 20px rgba(30,111,255,.25)}

/* ---------- 详情主内容 + 侧栏 ---------- */
.detail-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}
.prose-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:36px 40px 40px;
  box-shadow:0 12px 36px rgba(18,38,86,.05)}
.pc-top{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:26px}
.pc-top h1{font-size:clamp(26px,2.6vw,36px);font-weight:900;line-height:1.4;letter-spacing:-.4px;margin:12px 0 16px}
.pc-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:12.5px;color:var(--muted)}
.pc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pc-tags span{font-size:12px;color:var(--brand);background:rgba(30,111,255,.08);padding:5px 12px;border-radius:999px}
.pc-cover{border-radius:16px;overflow:hidden;margin-bottom:28px;max-height:420px;background:var(--bg)}
.pc-cover img{width:100%;max-height:420px;object-fit:cover}
.pc-subtitle{font-size:20px;font-weight:800;margin:28px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.prose{font-size:16px;line-height:2.05;color:#3b4761;word-break:break-word}
.prose p{margin:0 0 18px}
.prose h2,.prose h3,.prose h4{color:var(--ink);font-weight:800;line-height:1.5;margin:30px 0 14px}
.prose h2{font-size:23px;padding-left:14px;border-left:4px solid var(--brand)}
.prose h3{font-size:19px}
.prose img{max-width:100%;height:auto;border-radius:12px;margin:16px 0}
.prose ul,.prose ol{padding-left:24px;margin:0 0 20px}
.prose li{margin:7px 0}
.prose blockquote{margin:22px 0;padding:16px 22px;border-left:4px solid var(--accent);
  background:linear-gradient(90deg,rgba(255,122,0,.06),transparent);border-radius:0 12px 12px 0;color:#5a4a3a}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--bg);font-weight:800}
.prose a{color:var(--brand);text-decoration:underline}
.prose pre{background:#0d1b38;color:#dce8ff;padding:18px;border-radius:12px;overflow:auto;font-size:13px}
.pc-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.side-col{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.side-card h3{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin:0 0 18px}
.side-card h3 span{width:5px;height:18px;border-radius:4px;background:var(--grad)}
.side-link{display:flex;gap:12px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}
.side-link:last-child{border-bottom:0}
.side-link img{width:62px;height:50px;object-fit:cover;border-radius:9px;flex-shrink:0}
.side-link span{min-width:0}
.side-link b{display:block;font-size:13px;font-weight:700;line-height:1.55;overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.side-link:hover b{color:var(--brand)}
.side-link small{font-size:11px;color:var(--muted)}
.side-rank{list-style:none;margin:0;padding:0;counter-reset:r}
.side-rank li{border-bottom:1px solid var(--line)}
.side-rank li:last-child{border:0}
.side-rank a{display:flex;gap:12px;align-items:flex-start;padding:11px 0;font-size:13px;line-height:1.6}
.side-rank i{font-style:normal;font-weight:900;color:var(--brand);opacity:.5;min-width:18px}
.side-rank li:first-child i{color:var(--accent);opacity:1}
.side-rank a:hover{color:var(--brand)}
.side-cta{position:relative;overflow:hidden;border-radius:18px;padding:28px 24px;color:#fff;
  background:linear-gradient(140deg,#0a1c46,#1d48a4);box-shadow:0 18px 40px rgba(12,30,74,.18)}
.side-cta::after{content:"";position:absolute;right:-70px;top:-80px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(120,210,255,.28),transparent 68%)}
.sc-kicker{position:relative;font-size:11.5px;letter-spacing:2px;color:rgba(255,255,255,.7);font-weight:700}
.side-cta h3{position:relative;font-size:20px;font-weight:900;line-height:1.55;margin:12px 0 22px}
.side-cta .btn{position:relative;background:#fff;color:#14306e;width:100%}

/* ---------- 产品 / 报名 ---------- */
.price-box.price-v2{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px 24px;margin:0 0 30px;border-radius:16px;background:linear-gradient(100deg,rgba(255,122,0,.09),rgba(30,111,255,.06));
  border:1px solid rgba(255,122,0,.18)}
.price-v2 b{font-size:34px;font-weight:900;color:var(--accent);line-height:1}
.price-v2 b small{font-size:17px}
.price-v2 del{color:var(--muted);font-size:14px;margin-left:12px}
.enroll-box{margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.eb-head h2{font-size:22px;font-weight:900;margin:0 0 6px}
.eb-head p{font-size:13.5px;color:var(--muted);margin:0 0 22px}
.form-inline{padding:0;background:transparent;border:0;box-shadow:none;max-width:100%;margin:0}

/* ---------- 资料卡片 ---------- */
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.res-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:transform .35s,box-shadow .35s}
.res-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover)}
.rc-cover{position:relative;height:166px;overflow:hidden;background:var(--bg)}
.rc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.res-card:hover .rc-cover img{transform:scale(1.06)}
.rc-badge{position:absolute;top:12px;left:12px;padding:6px 13px;border-radius:999px;font-size:11.5px;font-weight:800;
  color:#fff;background:var(--grad-accent)}
.rc-body{padding:20px}
.rc-body h3{font-size:16.5px;font-weight:800;line-height:1.55;margin:0 0 8px}
.rc-body p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 16px;min-height:46px}
.rc-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;
  font-size:12px;color:var(--muted)}
.rc-foot i{font-style:normal;font-weight:800;color:var(--brand)}
.res-hero{height:230px;border-radius:16px;overflow:hidden;background:var(--bg);margin-bottom:24px}
.res-hero img{width:100%;height:100%;object-fit:cover}
.res-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
.res-facts>div{text-align:center;padding:18px 8px;background:var(--bg);border-radius:14px}
.res-facts b{display:block;font-size:24px;font-weight:900;color:var(--brand)}
.res-facts span{font-size:12px;color:var(--muted)}

/* ---------- 404 / 会员中心 ---------- */
.notfound{text-align:center;padding:70px 20px}
.nf-num{font-size:clamp(90px,14vw,170px);font-weight:900;line-height:1;letter-spacing:-8px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.85}
.notfound h2{font-size:26px;font-weight:900;margin:12px 0 10px}
.notfound p{color:var(--muted);font-size:15px;margin:0 0 28px}
.nf-acts{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.member-head{display:flex;align-items:center;gap:20px;padding:26px 30px;border-radius:20px;color:#fff;
  background:linear-gradient(116deg,#08183c,#1b4ba8 70%,#4a3fb8);box-shadow:0 18px 44px rgba(12,30,74,.16)}
.mh-avatar{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;font-size:26px;font-weight:900;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24)}
.mh-info{flex:1}
.mh-info h2{font-size:22px;font-weight:900;margin:0 0 4px}
.mh-info p{font-size:13px;color:rgba(255,255,255,.75);margin:0}
.mh-info .ok{color:#9dffca}.mh-info .off{color:#ffd08a}
.mh-points{text-align:right}
.mh-points b{display:block;font-size:34px;font-weight:900;line-height:1}
.mh-points span{font-size:12px;color:rgba(255,255,255,.7)}
.member-acts{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 34px}
.member-sec{margin:0 0 30px}
.member-sec h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin:0 0 16px}
.member-sec h3 span{width:5px;height:19px;border-radius:4px;background:var(--grad)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.data-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
.data-table th{background:var(--bg);text-align:left;font-weight:800;padding:13px 16px;color:var(--ink);white-space:nowrap}
.data-table td{padding:12px 16px;border-top:1px solid var(--line);color:var(--muted)}
.data-table tr:hover td{background:rgba(30,111,255,.03)}
.empty-line{padding:24px;text-align:center;color:var(--muted);background:var(--surface);
  border:1px dashed var(--line);border-radius:14px;font-size:13.5px}

/* ---------- 表单 / 结果页 / 页脚精致化 ---------- */
.form{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px 32px;
  box-shadow:0 12px 36px rgba(18,38,86,.05)}
.form label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin:14px 0 7px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;
  background:#fbfcff;color:var(--ink);font-size:14px;outline:none;transition:.25s}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(30,111,255,.09)}
.form .btn{margin-top:20px}
.form h2{font-size:23px;font-weight:900;margin:0 0 6px}
.form .lead{color:var(--muted);font-size:13.5px;margin:0 0 18px}
.search-again{display:flex;gap:12px;align-items:center;margin-top:26px;padding:18px 22px}
.search-again input{flex:1;margin:0}
.search-again .btn{margin:0;white-space:nowrap}
.result-page{display:grid;place-items:center;min-height:420px}
.result-card{text-align:center;max-width:520px;padding:46px 40px;background:var(--surface);border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow)}
.result-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;
  font-size:30px;font-weight:900;color:#fff;background:var(--grad)}
.result-card.err .result-ico{background:linear-gradient(135deg,#ff7a00,#ff4d4f)}
.result-card h1{font-size:25px;font-weight:900;margin:0 0 10px}
.result-msg{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0 0 24px}
.site-footer{background:#0a1733;color:rgba(255,255,255,.72);margin-top:0;padding:66px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:38px}
.foot-logo img{height:42px;max-width:190px;object-fit:contain}
.foot-brand p{font-size:13px;line-height:1.9;margin:18px 0 0;max-width:290px;color:rgba(255,255,255,.6)}
.foot-social{display:flex;gap:9px;margin-top:20px}
.foot-social span{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12)}
.foot-col h4{color:#fff;font-size:15px;font-weight:800;margin:0 0 18px}
.foot-col a,.foot-contact p{display:block;font-size:13px;color:rgba(255,255,255,.62);margin:0 0 11px;line-height:1.7}
.foot-col a:hover{color:#7fc0ff}
.foot-contact p{margin-bottom:9px}
.foot-btn{margin-top:10px;padding:10px 22px;font-size:13px}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:rgba(255,255,255,.45)}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .hero-float{display:none}
  .stats-band{grid-template-columns:1fr;gap:22px;padding:26px}
  .sb-nums{border-top:1px solid var(--line);padding-top:20px}
  .sb-item:first-child{border-left:0;padding-left:0}
  .course-layout,.news-layout{grid-template-columns:1fr}
  .course-feature{min-height:340px}
  .sc-inner{grid-template-columns:1fr;gap:36px;padding:60px 24px}
  .detail-shell{grid-template-columns:1fr}
  .side-col{position:static;display:grid;grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
  .foot-contact{grid-column:1/-1}
}
@media(max-width:760px){
  .hero.hero-v2 .hero-slides{height:520px}
  .hero.hero-v2 .hero-body{left:24px;right:24px;max-width:none}
  .hero.hero-v2 .hero-body h1{font-size:34px}
  .hero.hero-v2 .hero-arrow{display:none}
  .hero.hero-v2 .hero-dots{left:24px;bottom:24px}
  .hero.hero-v2 .hero-count{right:20px;bottom:22px}
  .stats-band{margin-top:-30px;border-radius:18px}
  .sb-nums{grid-template-columns:1fr 1fr;gap:18px}
  .sb-item:nth-child(3){border-left:0;padding-left:0}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:14px}
  .sh-right{text-align:left;max-width:none}
  .sc-grid{grid-template-columns:1fr}
  .cta-band.cta-v2{padding:36px 26px}
  .cta-in{flex-direction:column;align-items:flex-start;gap:24px}
  .pb{min-height:262px}
  .pb-in{padding-top:34px;padding-bottom:64px}
  .pb-crumb{margin-bottom:22px}
  .pb h1{font-size:29px}
  .pb-orb{display:none}
  .post-row{grid-template-columns:1fr;gap:14px}
  .post-row.tight{grid-template-columns:1fr}
  .pr-date{display:none}
  .pr-media{height:180px}
  .prose-card{padding:24px 20px 28px}
  .side-col{grid-template-columns:1fr}
  .news-lead .nl-img{height:190px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .foot-brand{grid-column:1/-1}
  .inner-head{flex-direction:column;align-items:flex-start;gap:8px}
  .search-again{flex-direction:column;align-items:stretch}
}