/* ===========================================================
   成都赢星高考 · 品牌设计 Token
   主色：logo 亮绿（#2BC85F） 辅色：墨蓝（#1E3A5F） 点缀：暖金 + 珊瑚
   绿色克制使用，墨蓝+暖金+珊瑚橙丰富层次
   =========================================================== */
:root{
  /* ---- Brand Colors ---- */
  --yx-green-50:  #EAFBF1;
  --yx-green-100: #CFF7DE;
  --yx-green-200: #A4EFBE;
  --yx-green-300: #6FE69B;
  --yx-green-400: #3DE07A;
  --yx-green-500: #2BC85F;   /* LOGO 主色 */
  --yx-green-600: #1FA84C;
  --yx-green-700: #168340;
  --yx-green-800: #0F5E2D;
  --yx-green-900: #0A4220;

  --yx-gold-400: #F2C94C;
  --yx-gold-500: #E0A92B;

  --yx-navy-900: #1E3A5F;
  --yx-navy-700: #2D5478;
  --yx-navy-500: #54799B;
  --yx-navy-300: #9BB5CC;
  --yx-navy-100: #D8E6F0;
  --yx-navy-50:  #EEF3F8;

  --yx-coral-400: #FF7A45;
  --yx-coral-500: #E8613A;

  --yx-ink-900: #1A1E24;
  --yx-ink-700: #2E353C;
  --yx-ink-500: #5A6068;
  --yx-ink-300: #A0A6AE;
  --yx-ink-100: #E8EAED;
  --yx-paper:   #FAF8F3;
  --yx-white:   #FFFFFF;

  /* ---- Semantic ---- */
  --yx-primary:        var(--yx-green-500);
  --yx-primary-deep:   var(--yx-navy-900);
  --yx-primary-soft:   var(--yx-green-50);
  --yx-accent:         var(--yx-gold-500);
  --yx-accent-soft:    #FFF8E1;
  --yx-highlight:      var(--yx-coral-400);
  --yx-text:           var(--yx-ink-900);
  --yx-text-soft:      var(--yx-ink-500);
  --yx-text-muted:     var(--yx-ink-300);
  --yx-border:         #E5E4DE;
  --yx-bg:             var(--yx-paper);
  --yx-bg-card:        var(--yx-white);

  /* ---- Typography ---- */
  --yx-font-zh: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --yx-font-num: "DIN Alternate","SF Pro Display","Inter",system-ui,sans-serif;

  /* ---- Radius / Shadow / Spacing ---- */
  --yx-r-sm: 8px;
  --yx-r-md: 14px;
  --yx-r-lg: 20px;
  --yx-r-xl: 28px;
  --yx-r-pill: 999px;

  --yx-shadow-sm: 0 1px 2px rgba(11,27,20,.06);
  --yx-shadow-md: 0 8px 24px rgba(11,27,20,.08);
  --yx-shadow-lg: 0 18px 48px rgba(11,27,20,.10);
  --yx-shadow-glow: 0 18px 48px rgba(43,200,95,.22);

  --yx-c1: 8px; --yx-c2: 16px; --yx-c3: 24px; --yx-c4: 32px; --yx-c6: 48px; --yx-c8: 64px;

  /* ---- Easing ---- */
  --yx-ease: cubic-bezier(.16,1,.3,1);
}

/* ====================== Base ====================== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--yx-font-zh);
  color:var(--yx-text);
  background:var(--yx-bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}

.container{max-width:1200px;margin:0 auto;padding:0 var(--yx-c3)}
.container-wide{max-width:1320px;margin:0 auto;padding:0 var(--yx-c3)}

/* ====================== Top Banner ====================== */
.topbar{
  background:linear-gradient(90deg,var(--yx-navy-900),var(--yx-green-600));
  color:#fff;
  font-size:12.5px;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar .hot{opacity:.92}
.topbar .hot b{color:#FFF7C7;font-weight:600;margin-right:6px}
.topbar .links a{margin-left:18px;opacity:.9}
.topbar .links a:hover{opacity:1}

/* ====================== Header / Nav ====================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--yx-border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--yx-green-500),var(--yx-navy-900));
  display:grid;place-items:center;color:#fff;font-weight:800;
  box-shadow:var(--yx-shadow-glow);
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--yx-ink-900)}
.brand-name small{display:block;font-size:10.5px;font-weight:500;letter-spacing:2px;color:var(--yx-text-muted);margin-top:-2px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;padding:10px 16px;font-size:15px;font-weight:500;color:var(--yx-ink-700);
  border-radius:var(--yx-r-pill);transition:all .25s var(--yx-ease);
}
.nav-menu a:hover{color:var(--yx-navy-900);background:var(--yx-navy-50)}
.nav-menu a.is-active{color:#fff;background:linear-gradient(135deg,var(--yx-green-500),var(--yx-navy-900))}
.nav-cta{
  padding:10px 20px;border-radius:var(--yx-r-pill);font-weight:600;font-size:14px;
  color:#fff;background:linear-gradient(135deg,var(--yx-green-500),var(--yx-navy-900));
  box-shadow:var(--yx-shadow-glow);transition:transform .25s var(--yx-ease);
}
.nav-cta:hover{transform:translateY(-2px)}

/* ====================== Hero ====================== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(109,230,155,.18),transparent 60%),
    radial-gradient(900px 500px at 0% 20%,rgba(224,169,43,.10),transparent 60%),
    radial-gradient(700px 400px at 60% 80%,rgba(30,58,95,.06),transparent 60%),
    linear-gradient(180deg,#FAF8F3 0%,#FCFBF8 100%);
  padding:80px 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(30,58,95,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,58,95,.04) 1px,transparent 1px);
  background-size:48px 48px;mask-image:linear-gradient(180deg,#000 30%,transparent);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--yx-r-pill);
  background:rgba(30,58,95,.10);color:var(--yx-navy-700);
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--yx-coral-400);box-shadow:0 0 0 4px rgba(255,122,69,.18)}
.hero h1{
  font-size:54px;line-height:1.12;letter-spacing:-.5px;margin:18px 0 18px;
  color:var(--yx-ink-900);
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--yx-green-500) 0%,var(--yx-navy-900) 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  position:relative;
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:10px;
  background:linear-gradient(90deg,var(--yx-navy-300),var(--yx-gold-400));opacity:.55;border-radius:8px;
}
.hero p.lead{font-size:17px;color:var(--yx-text-soft);max-width:560px;margin:0 0 28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:var(--yx-r-pill);font-weight:600;font-size:15px;
  transition:all .25s var(--yx-ease);
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--yx-green-500),var(--yx-navy-900));
  box-shadow:var(--yx-shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 56px rgba(43,200,95,.4)}
.btn-ghost{
  color:var(--yx-navy-900);background:#fff;border:1.5px solid var(--yx-navy-300);
}
.btn-ghost:hover{background:var(--yx-navy-50);transform:translateY(-2px)}
.hero-stats{display:flex;gap:36px;margin-top:40px;padding-top:28px;border-top:1px dashed var(--yx-border)}
.hero-stats .num{font-family:var(--yx-font-num);font-size:30px;font-weight:800;color:var(--yx-ink-900);letter-spacing:-.5px}
.hero-stats .num small{font-size:14px;color:var(--yx-coral-400);margin-left:2px}
.hero-stats .lbl{font-size:12.5px;color:var(--yx-text-muted);margin-top:2px}

/* hero visual */
.hero-visual{
  position:relative;height:520px;
  border-radius:var(--yx-r-xl);overflow:hidden;
  background:linear-gradient(160deg,#1E3A5F 0%,#0F4C2A 40%,#168340 80%,#2BC85F 100%);
  box-shadow:var(--yx-shadow-lg);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 300px at 70% 30%,rgba(255,255,255,.18),transparent 70%),
    radial-gradient(300px 200px at 20% 80%,rgba(224,169,43,.12),transparent 70%);
}
.hero-visual .deco{
  position:absolute;border-radius:50%;filter:blur(2px);opacity:.85;
}
.hero-visual .d1{width:160px;height:160px;background:rgba(255,255,255,.18);top:40px;left:-30px}
.hero-visual .d2{width:240px;height:240px;background:rgba(255,255,255,.12);bottom:-40px;right:-40px}
.hero-visual .d3{width:80px;height:80px;background:#F2C94C;top:90px;right:60px;opacity:.7}
.hero-visual .d4{width:50px;height:50px;background:#FF7A45;top:200px;left:80px;opacity:.5}
.hero-card{
  position:absolute;left:32px;bottom:32px;right:32px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-radius:var(--yx-r-lg);padding:20px 22px;
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
  box-shadow:0 20px 40px rgba(0,0,0,.12);
}
.hero-card .ico{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--yx-gold-400),var(--yx-gold-500));color:#fff;
  font-size:22px;font-weight:800;
}
.hero-card .title{font-weight:700;color:var(--yx-ink-900);font-size:15px}
.hero-card .meta{font-size:12.5px;color:var(--yx-text-muted);margin-top:2px}
.hero-card .badge{
  padding:4px 10px;border-radius:var(--yx-r-pill);background:var(--yx-coral-400);
  color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.5px;
}
.hero-visual .float-tag{
  position:absolute;background:#fff;border-radius:var(--yx-r-pill);
  padding:8px 14px;font-size:12.5px;font-weight:600;color:var(--yx-ink-900);
  box-shadow:var(--yx-shadow-md);display:flex;align-items:center;gap:8px;
}
.hero-visual .t1{top:120px;left:30px}
.hero-visual .t2{top:60px;right:40px}
.hero-visual .t1 .ico,.hero-visual .t2 .ico{width:22px;height:22px;border-radius:6px;background:var(--yx-navy-100);display:grid;place-items:center;color:var(--yx-navy-700);font-size:12px}

/* ====================== Section ====================== */
.section{padding:80px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-eyebrow{
  display:inline-block;padding:5px 14px;border-radius:var(--yx-r-pill);
  background:var(--yx-navy-50);color:var(--yx-navy-700);
  font-size:12px;font-weight:700;letter-spacing:1.5px;
}
.section h2{font-size:38px;margin:14px 0 12px;letter-spacing:-.5px;color:var(--yx-ink-900)}
.section h2 .em{color:var(--yx-navy-900)}
.section p.sub{color:var(--yx-text-soft);font-size:15.5px;margin:0}

/* ====================== Programs（课程/分类） ====================== */
.prog-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.prog-card{
  position:relative;padding:30px 28px;border-radius:var(--yx-r-lg);
  background:#fff;border:1px solid var(--yx-border);
  transition:all .35s var(--yx-ease);overflow:hidden;
}
.prog-card::before{
  content:"";position:absolute;inset:auto -40px -40px auto;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(30,58,95,.12),transparent);
  transition:all .35s var(--yx-ease);
}
.prog-card:hover{transform:translateY(-6px);box-shadow:var(--yx-shadow-lg);border-color:var(--yx-navy-300)}
.prog-card:hover::before{transform:scale(1.4)}
.prog-icon{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--yx-navy-100),var(--yx-navy-300));
  color:var(--yx-navy-900);font-size:26px;font-weight:800;
  margin-bottom:18px;
}
.prog-card h3{font-size:21px;margin:0 0 8px;color:var(--yx-ink-900)}
.prog-card p{font-size:14.5px;color:var(--yx-text-soft);margin:0 0 18px}
.prog-card .more{font-size:14px;font-weight:600;color:var(--yx-navy-900);display:inline-flex;align-items:center;gap:6px}
.prog-card .more::after{content:"→";transition:transform .25s var(--yx-ease)}
.prog-card:hover .more::after{transform:translateX(4px)}

/* ====================== Articles ====================== */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.tab{
  padding:8px 18px;border-radius:var(--yx-r-pill);background:#fff;border:1px solid var(--yx-border);
  font-size:14px;color:var(--yx-text-soft);transition:all .25s var(--yx-ease);
}
.tab:hover{border-color:var(--yx-navy-300);color:var(--yx-navy-900)}
.tab.is-active{background:linear-gradient(135deg,var(--yx-navy-900),var(--yx-green-600));color:#fff;border-color:transparent}

.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{
  background:#fff;border:1px solid var(--yx-border);border-radius:var(--yx-r-lg);overflow:hidden;
  transition:all .3s var(--yx-ease);display:flex;flex-direction:column;
}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--yx-shadow-md);border-color:var(--yx-navy-300)}
.article-thumb{
  aspect-ratio:16/9;background:linear-gradient(135deg,var(--yx-navy-100),var(--yx-navy-300));
  position:relative;overflow:hidden;
}
.article-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s var(--yx-ease)}
.article-card:hover .article-thumb img{transform:scale(1.05)}
.article-thumb::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(400px 200px at 30% 30%,rgba(255,255,255,.4),transparent 60%);
  pointer-events:none;
}
.article-thumb .tag{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:4px 10px;border-radius:var(--yx-r-pill);font-size:11.5px;font-weight:600;
  background:rgba(255,255,255,.95);color:var(--yx-navy-700);
}
.article-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--yx-text-muted)}
.article-meta .cat{color:var(--yx-navy-900);font-weight:600}
.article-card h3{font-size:18px;line-height:1.4;margin:0;color:var(--yx-ink-900);flex:1}
.prog-card h3 a:hover{color:var(--yx-navy-900)}
.article-card .excerpt{font-size:13.5px;color:var(--yx-text-soft);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-foot{
  display:flex;justify-content:space-between;align-items:center;padding-top:14px;
  border-top:1px dashed var(--yx-border);font-size:12.5px;color:var(--yx-text-muted);margin-top:auto;
}

/* ====================== Why Us ====================== */
.why{background:linear-gradient(180deg,#fff,#FAF6EE)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-item{
  padding:28px 24px;border-radius:var(--yx-r-lg);background:#fff;border:1px solid var(--yx-border);
  text-align:center;transition:all .3s var(--yx-ease);
}
.why-item:hover{transform:translateY(-4px);box-shadow:var(--yx-shadow-md);border-color:var(--yx-navy-300)}
.why-num{font-family:var(--yx-font-num);font-size:42px;font-weight:800;color:var(--yx-navy-900);line-height:1}
.why-num small{font-size:18px;color:var(--yx-coral-400);margin-left:2px}
.why-item h4{font-size:17px;margin:14px 0 6px;color:var(--yx-ink-900)}
.why-item p{font-size:13.5px;color:var(--yx-text-soft);margin:0}

/* ====================== CTA ====================== */
.cta-band{
  position:relative;padding:64px 0;color:#fff;text-align:center;overflow:hidden;
  background:linear-gradient(120deg,#1E3A5F 0%,#0F4C2A 50%,#168340 100%);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(800px 400px at 50% 0%,rgba(242,201,76,.12),transparent 70%);
}
.cta-band h2{font-size:34px;margin:0 0 12px;position:relative}
.cta-band p{opacity:.9;margin:0 0 26px;position:relative}
.cta-band .btn{position:relative;background:#fff;color:var(--yx-navy-900)}
.cta-band .btn:hover{background:var(--yx-gold-500);color:#fff}

/* ====================== Footer ====================== */
.footer{background:var(--yx-navy-900);color:#C5CFD9;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer h5{color:#fff;font-size:15px;margin:0 0 16px;letter-spacing:1px}
.footer ul li{margin-bottom:10px}
.footer a{color:#C5CFD9;font-size:14px;transition:color .2s}
.footer a:hover{color:var(--yx-gold-400)}
.footer .brand-name{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12.5px;color:#7A857E;
}

/* ====================== Inner Page Hero ====================== */
.page-hero{
  padding:64px 0 48px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 360px at 80% 0%,rgba(30,58,95,.10),transparent 60%),
    radial-gradient(600px 300px at 10% 30%,rgba(224,169,43,.08),transparent 60%),
    linear-gradient(180deg,#FAF8F3,#FCFBF8);
  border-bottom:1px solid var(--yx-border);
}
.breadcrumb{font-size:13px;color:var(--yx-text-muted);margin-bottom:12px}
.breadcrumb a{color:var(--yx-navy-500)}
.breadcrumb a:hover{color:var(--yx-navy-900)}
.breadcrumb .sep{margin:0 8px;opacity:.5}
.page-hero h1{font-size:40px;margin:0 0 10px;letter-spacing:-.5px;color:var(--yx-ink-900)}
.page-hero p{color:var(--yx-text-soft);margin:0;max-width:680px}
.page-hero .quick{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;
}
.page-hero .chip{
  padding:6px 14px;border-radius:var(--yx-r-pill);background:#fff;border:1px solid var(--yx-border);
  font-size:12.5px;color:var(--yx-text-soft);
}
.page-hero .chip b{color:var(--yx-navy-900);margin-right:4px}

/* ====================== List Layout ====================== */
.list-layout{max-width:1200px;margin:0 auto;padding:48px var(--yx-c3) 80px;display:grid;grid-template-columns:1fr 280px;gap:36px}
.list-main{min-width:0}
.list-toolbar{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;
  padding:14px 18px;background:#fff;border:1px solid var(--yx-border);border-radius:var(--yx-r-md);
}
.list-toolbar .count{font-size:14px;color:var(--yx-text-soft)}
.list-toolbar .count b{color:var(--yx-navy-900);font-weight:700;margin:0 2px}
.list-toolbar .sort{display:flex;gap:8px}
.list-toolbar .sort a{
  padding:5px 12px;border-radius:var(--yx-r-pill);font-size:12.5px;color:var(--yx-text-soft);
  border:1px solid var(--yx-border);background:#fff;
}
.list-toolbar .sort a.is-active{background:var(--yx-navy-50);color:var(--yx-navy-900);border-color:transparent}

.list-item{
  display:grid;grid-template-columns:240px 1fr;gap:24px;padding:22px;
  background:#fff;border:1px solid var(--yx-border);border-radius:var(--yx-r-lg);margin-bottom:16px;
  transition:all .3s var(--yx-ease);
}
.list-item:hover{border-color:var(--yx-navy-300);box-shadow:var(--yx-shadow-md);transform:translateY(-2px)}
.list-item-thumb{
  aspect-ratio:4/3;border-radius:var(--yx-r-md);overflow:hidden;
  background:linear-gradient(135deg,var(--yx-navy-100),var(--yx-navy-300));
  position:relative;
}
.list-item-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s var(--yx-ease)}
.list-item:hover .list-item-thumb img{transform:scale(1.06)}
.list-item-thumb::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(300px 150px at 30% 30%,rgba(255,255,255,.35),transparent 60%);
  pointer-events:none;
}
.thumb-placeholder{
  width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--yx-navy-100),var(--yx-navy-300));
  color:rgba(255,255,255,.85);gap:6px;
}
.thumb-placeholder .ph-cat{
  padding:4px 12px;border-radius:var(--yx-r-pill);
  background:rgba(255,255,255,.95);color:var(--yx-navy-700);
  font-size:12px;font-weight:600;
}
.thumb-placeholder .ph-icon{font-size:36px;opacity:.5;margin-top:4px}
.list-item h3{font-size:19px;line-height:1.4;margin:4px 0 8px;color:var(--yx-ink-900)}
.list-item h3 a:hover{color:var(--yx-navy-900)}
.list-item p{font-size:13.5px;color:var(--yx-text-soft);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-item .meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--yx-text-muted);flex-wrap:wrap}
.list-item .meta .cat{color:var(--yx-navy-900);font-weight:600}
.list-item .meta .views::before{content:"👁 ";margin-right:2px}
.list-item .meta .time::before{content:"🕒 ";margin-right:2px}

.pagination{display:flex;justify-content:center;gap:6px;margin-top:36px;flex-wrap:wrap}
.pagination a,.pagination span{
  min-width:36px;height:36px;display:grid;place-items:center;padding:0 10px;
  border-radius:var(--yx-r-sm);background:#fff;border:1px solid var(--yx-border);
  font-size:13.5px;color:var(--yx-text-soft);transition:all .2s;
}
.pagination a:hover{border-color:var(--yx-navy-300);color:var(--yx-navy-900);background:var(--yx-paper-2)}
.pagination .is-current{background:linear-gradient(135deg,var(--yx-navy-900),var(--yx-green-600));color:#fff;border-color:transparent;box-shadow:var(--yx-shadow-sm)}
.pagination .is-disabled{opacity:.4;pointer-events:none}

/* sidebar */
.side-card{
  background:#fff;border:1px solid var(--yx-border);border-radius:var(--yx-r-lg);
  padding:22px 22px 24px;margin-bottom:18px;
}
.side-card h4{font-size:15px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px dashed var(--yx-border);color:var(--yx-ink-900);display:flex;align-items:center;gap:8px}
.side-card h4::before{content:"";width:3px;height:14px;background:linear-gradient(180deg,var(--yx-gold-400),var(--yx-navy-900));border-radius:3px}
.hot-list li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px dashed var(--yx-border)}
.hot-list li:last-child{border-bottom:0}
.hot-list .idx{flex-shrink:0;width:22px;height:22px;border-radius:5px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--yx-navy-100);color:var(--yx-navy-700)}
.hot-list li:nth-child(1) .idx{background:linear-gradient(135deg,#FF7A45,#E8613A);color:#fff}
.hot-list li:nth-child(2) .idx{background:linear-gradient(135deg,#E0A92B,#F2C94C);color:#fff}
.hot-list li:nth-child(3) .idx{background:linear-gradient(135deg,#2BC85F,#3DE07A);color:#fff}
.hot-list a{font-size:13.5px;line-height:1.5;color:var(--yx-ink-700);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hot-list a:hover{color:var(--yx-navy-900)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:5px 12px;border-radius:var(--yx-r-pill);background:var(--yx-navy-50);color:var(--yx-navy-700);font-size:12.5px;font-weight:500}
.tag-cloud a:hover{background:linear-gradient(135deg,var(--yx-navy-900),var(--yx-green-600));color:#fff}
.contact-box{background:linear-gradient(135deg,#1E3A5F,#0F4C2A 60%,#168340);color:#fff;border-radius:var(--yx-r-lg);padding:24px 22px;text-align:center}
.contact-box h4{color:#fff;border:0;padding:0;justify-content:center}
.contact-box h4::before{display:none}
.contact-box .phone{font-family:var(--yx-font-num);font-size:28px;font-weight:800;letter-spacing:.5px;margin:6px 0 4px}
.contact-box .desc{font-size:12.5px;opacity:.85;margin:0 0 16px}
.contact-box .btn{background:#fff;color:var(--yx-navy-900);justify-content:center;width:100%}

/* ====================== Article ====================== */
.article-layout{max-width:1200px;margin:0 auto;padding:48px var(--yx-c3) 80px;display:grid;grid-template-columns:1fr 280px;gap:36px}
.article-main{min-width:0;background:#fff;border:1px solid var(--yx-border);border-radius:var(--yx-r-lg);padding:40px 44px}
.crumbs{font-size:13px;color:var(--yx-text-muted);margin-bottom:18px}
.crumbs a{color:var(--yx-navy-500)}
.crumbs a:hover{color:var(--yx-navy-900)}
.article-main h1{font-size:32px;line-height:1.4;margin:0 0 18px;letter-spacing:-.3px;color:var(--yx-ink-900)}
.article-meta-bar{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:14px 0;border-top:1px solid var(--yx-border);border-bottom:1px solid var(--yx-border);
  font-size:13px;color:var(--yx-text-soft);margin-bottom:28px;
}
.article-meta-bar .src{color:var(--yx-navy-900);font-weight:600}
.article-meta-bar .views::before{content:"👁 ";margin-right:2px}
.article-meta-bar .time::before{content:"🕒 ";margin-right:2px}
.article-meta-bar .words::before{content:"📝 ";margin-right:2px}

.article-body{font-size:16px;line-height:1.95;color:var(--yx-ink-700)}
.article-body p{margin:0 0 18px}
.article-body h2{font-size:24px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--yx-accent);color:var(--yx-ink-900)}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--yx-ink-900)}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--yx-accent);
  background:var(--yx-accent-soft);border-radius:0 var(--yx-r-md) var(--yx-r-md) 0;
  color:var(--yx-ink-900);font-style:italic;
}
.article-body a{color:var(--yx-navy-700);border-bottom:1px dashed var(--yx-navy-500)}
.article-body a:hover{color:var(--yx-navy-900);border-bottom-style:solid}
.article-body strong{color:var(--yx-ink-900);font-weight:700}

.callout{
  display:flex;gap:16px;align-items:flex-start;
  margin:28px 0;padding:20px 22px;border-radius:var(--yx-r-md);
  background:linear-gradient(135deg,#FFF8E1,#FFFBF0);border:1px solid #FFE58F;
}
.callout .ic{font-size:24px;line-height:1}
.callout .txt strong{color:var(--yx-navy-900);display:block;margin-bottom:4px}
.callout .txt span{color:var(--yx-navy-700);font-size:14.5px}

.related-posts{
  margin-top:48px;padding-top:32px;border-top:1px dashed var(--yx-border);
}
.related-posts h3{font-size:20px;margin:0 0 18px;color:var(--yx-ink-900)}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.related-grid a{
  display:block;padding:16px 18px;background:var(--yx-primary-soft);border-radius:var(--yx-r-md);
  font-size:14px;color:var(--yx-ink-900);font-weight:500;line-height:1.5;
  transition:all .25s var(--yx-ease);
}
.related-grid a:hover{background:linear-gradient(135deg,var(--yx-navy-900),var(--yx-green-700));color:#fff;transform:translateX(4px)}

.tag-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:24px;padding-top:18px;border-top:1px dashed var(--yx-border)}
.tag-bar .lbl{font-size:13px;color:var(--yx-text-muted);margin-right:4px}
.tag-bar a{padding:4px 12px;border-radius:var(--yx-r-pill);background:var(--yx-navy-50);color:var(--yx-navy-700);font-size:12.5px}

.article-share{
  display:flex;gap:10px;justify-content:flex-end;margin-top:24px;padding-top:18px;border-top:1px dashed var(--yx-border);
}
.article-share a{
  width:34px;height:34px;display:grid;place-items:center;border-radius:50%;
  background:var(--yx-navy-50);color:var(--yx-navy-700);font-size:14px;
}
.article-share a:hover{background:linear-gradient(135deg,var(--yx-navy-900),var(--yx-green-600));color:#fff}

.next-prev{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:36px}
.next-prev a{
  display:block;padding:18px 20px;background:#fff;border:1px solid var(--yx-border);border-radius:var(--yx-r-md);
  transition:all .25s var(--yx-ease);
}
.next-prev a:hover{border-color:var(--yx-navy-300);transform:translateY(-2px)}
.next-prev small{font-size:12px;color:var(--yx-text-muted);display:block;margin-bottom:4px}
.next-prev strong{font-size:14.5px;color:var(--yx-ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.next-prev .next{text-align:right}

/* ====================== Responsive ====================== */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{height:420px;order:-1}
  .hero h1{font-size:40px}
  .prog-grid{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .list-layout,.article-layout{grid-template-columns:1fr}
  .article-main{padding:28px 22px}
  .list-item{grid-template-columns:160px 1fr;gap:16px;padding:16px}
  .related-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .nav-menu{display:none}
  .hero{padding:48px 0 60px}
  .hero h1{font-size:30px}
  .hero p.lead{font-size:15px}
  .hero-visual{height:320px}
  .hero-stats{gap:20px;flex-wrap:wrap}
  .hero-stats .num{font-size:22px}
  .section{padding:56px 0}
  .section h2{font-size:26px}
  .prog-grid,.article-grid,.why-grid{grid-template-columns:1fr}
  .article-main h1{font-size:24px}
  .article-meta-bar{gap:10px;font-size:12.5px}
  .list-item{grid-template-columns:1fr}
  .list-item .thumb{aspect-ratio:16/9}
  .next-prev{grid-template-columns:1fr}
  .topbar .links{display:none}
  .form-float{right:12px;bottom:12px;left:12px;width:auto;max-width:none}
}

/* ====================== 右下角：留言表单悬浮框（每页通用） ====================== */
.form-float{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:320px;max-width:calc(100vw - 32px);
  border-radius:var(--yx-r-lg);
  background:rgba(255,255,255,.94);
  border:1px solid #E2EAE5;
  box-shadow:0 18px 48px rgba(11,27,20,.18),0 4px 12px rgba(11,27,20,.08);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  animation:formFloatIn .55s var(--yx-ease) .3s both;
  overflow:hidden;
  transition:all .35s var(--yx-ease);
}
.form-float.is-collapsed{
  width:auto;padding:0;
  background:linear-gradient(135deg,var(--yx-green-500),var(--yx-green-700));
  border-color:transparent;
  box-shadow:0 12px 32px rgba(43,200,95,.32),0 4px 12px rgba(11,27,20,.10);
}
@keyframes formFloatIn{
  from{opacity:0;transform:translateY(24px) scale(.96)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.form-float-head{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;
  background:linear-gradient(135deg,var(--yx-green-500),var(--yx-green-700));
  color:#fff;cursor:pointer;user-select:none;
}
.form-float.is-collapsed .form-float-head{
  padding:12px 18px;
}
.form-float-head .ff-ic{
  width:32px;height:32px;border-radius:50%;
  background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;
}
.form-float-head .ff-txt{
  flex:1;min-width:0;
  font-size:14px;font-weight:700;line-height:1.3;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.form-float-head .ff-toggle{
  width:24px;height:24px;border-radius:50%;
  background:rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;line-height:1;
  transition:transform .3s var(--yx-ease);
}
.form-float.is-collapsed .ff-toggle{transform:rotate(180deg)}
.form-float-body{
  padding:16px;
  max-height:520px;
  opacity:1;
  transition:max-height .35s var(--yx-ease),opacity .25s var(--yx-ease),padding .35s var(--yx-ease);
}
.form-float.is-collapsed .form-float-body{
  max-height:0;opacity:0;padding:0 16px;
}
.form-float .ff-tip{
  font-size:12px;color:#6E6253;line-height:1.5;
  padding:8px 10px;border-radius:8px;
  background:#F4EDDC;margin-bottom:12px;
  display:flex;align-items:flex-start;gap:6px;
}
.form-float .ff-tip b{color:var(--yx-navy-900)}
.form-float .ff-field{
  margin-bottom:10px;
}
.form-float .ff-field label{
  display:block;font-size:12px;font-weight:600;color:#4F4836;
  margin-bottom:4px;
}
.form-float .ff-field label .req{color:var(--yx-coral-500);margin-left:2px}
.form-float .ff-input,
.form-float .ff-select,
.form-float .ff-textarea{
  width:100%;box-sizing:border-box;
  padding:9px 11px;border-radius:10px;
  border:1px solid #E2DCC8;
  background:#FFFCEF;
  font-size:13px;color:var(--yx-ink-900);
  font-family:inherit;line-height:1.4;
  transition:border-color .2s var(--yx-ease),box-shadow .2s var(--yx-ease),background .2s var(--yx-ease);
  outline:none;
}
.form-float .ff-input:focus,
.form-float .ff-select:focus,
.form-float .ff-textarea:focus{
  border-color:var(--yx-green-500);
  background:#fff;
  box-shadow:0 0 0 3px rgba(43,200,95,.12);
}
.form-float .ff-textarea{resize:none;min-height:60px}
.form-float .ff-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.form-float .ff-select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%239C8E72' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
  padding-right:28px;
}
.form-float .ff-submit{
  width:100%;margin-top:4px;
  padding:11px;border:0;border-radius:10px;
  font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--yx-coral-500),#E5562B);
  cursor:pointer;
  transition:transform .2s var(--yx-ease),box-shadow .2s var(--yx-ease),filter .2s var(--yx-ease);
  box-shadow:0 6px 16px rgba(255,122,69,.32);
  letter-spacing:.5px;
}
.form-float .ff-submit:hover{transform:translateY(-1px);filter:brightness(1.05)}
.form-float .ff-submit:active{transform:translateY(0)}
.form-float .ff-submit[disabled]{opacity:.7;cursor:not-allowed}
.form-float .ff-meta{
  margin-top:10px;font-size:11px;color:#9C8E72;line-height:1.5;text-align:center;
}
.form-float .ff-success{
  display:none;
  padding:18px 14px;text-align:center;
}
.form-float.is-success .ff-success{display:block}
.form-float.is-success .form-float-body > *:not(.ff-success){display:none}
.form-float .ff-success .ff-ok{
  width:48px;height:48px;margin:0 auto 10px;border-radius:50%;
  background:linear-gradient(135deg,var(--yx-green-500),var(--yx-green-700));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:700;
  animation:pop .5s var(--yx-ease);
}
@keyframes pop{
  0%{transform:scale(0)}60%{transform:scale(1.15)}100%{transform:scale(1)}
}
.form-float .ff-success h5{
  margin:0 0 6px;font-size:15px;color:var(--yx-navy-900);font-weight:700;
}
.form-float .ff-success p{
  margin:0 0 12px;font-size:12.5px;color:#6E6253;line-height:1.5;
}
.form-float .ff-success .ff-again{
  padding:8px 18px;border-radius:var(--yx-r-pill);
  border:1px solid #D6EBDC;background:#fff;color:var(--yx-primary-deep);
  font-size:12.5px;font-weight:600;cursor:pointer;
  transition:all .2s var(--yx-ease);
}
.form-float .ff-success .ff-again:hover{background:var(--yx-primary-soft)}

/* ====================== SEO 关键词 → 文章内联内链 ====================== */
.article-body .inner-link{
  color:var(--yx-primary-deep);
  font-weight:600;
  border-bottom:1px dashed var(--yx-green-400);
  text-decoration:none;
  transition:color .2s var(--yx-ease),border-color .2s var(--yx-ease);
}
.article-body .inner-link:hover{
  color:var(--yx-green-700);
  border-bottom-style:solid;
  border-bottom-color:var(--yx-green-500);
}
.list-item .inner-link{
  color:var(--yx-primary-deep);
  font-weight:600;
  border-bottom:1px dashed var(--yx-green-400);
  text-decoration:none;
}
.list-item h3 .inner-link{color:inherit;font-weight:inherit;border-bottom:0}
.list-item h3 .inner-link:hover{color:var(--yx-green-700)}
.list-item p .inner-link:hover{color:var(--yx-green-700)}

/* ====================== Misc small ====================== */
.tab{cursor:pointer;user-select:none}

/* ====================== Tabbed Main（列表页/文章页主区域） ====================== */
.tabbed-main{
  background:var(--yx-white);
  border-radius:16px;
  box-shadow:0 4px 24px rgba(30,58,95,.06);
  overflow:hidden;
}
.tm-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  padding:18px 24px 0;
  border-bottom:1px solid var(--yx-border);
  position:relative;
  flex-wrap:wrap;
}
.tm-tab{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 22px;
  background:transparent;
  border:0;
  cursor:pointer;
  font-size:18px;
  font-weight:500;
  color:var(--yx-ink-500);
  border-radius:8px 8px 0 0;
  transition:all .25s ease;
  font-family:inherit;
}
.tm-tab .tm-tab-num{
  display:none;
}
.tm-tab .tm-tab-text{
  position:relative;
  z-index:1;
}
.tm-tab:hover{
  color:var(--yx-green-500);
}
.tm-tab.is-active{
  color:#fff;
  background:var(--yx-green-500);
  font-weight:600;
  box-shadow:0 4px 12px rgba(43,200,95,.3);
}
.tm-tab.is-active:hover{
  color:#fff;
}
.tm-hint{
  margin-left:auto;
  padding-bottom:14px;
  color:var(--yx-green-500);
  font-size:14px;
  font-weight:500;
}
.tm-hint em{
  font-style:normal;
  color:var(--yx-green-500);
  font-weight:700;
  border-bottom:2px solid currentColor;
  padding-bottom:1px;
}
.tm-panes{
  padding:32px 28px 40px;
  min-height:400px;
}
.tm-pane{display:none;animation:tmFade .35s ease}
.tm-pane.is-active{display:block}
@keyframes tmFade{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}

/* ====================== Course Intro（课程介绍 Tab） ====================== */
.course-intro{color:var(--yx-ink-700);font-size:15px;line-height:1.8}
.ci-head{text-align:center;margin-bottom:28px}
.ci-head h2{
  font-size:26px;
  color:var(--yx-green-700,#168340);
  font-weight:700;
  margin:0 0 8px;
  letter-spacing:1px;
}
.ci-head .ci-sub{
  color:var(--yx-ink-500);
  font-size:15px;
  margin:0;
}

/* 照片墙 */
.ci-gallery{margin:0 0 28px}
.ci-photos-grid{
  display:grid;
  grid-template-columns:repeat(8,1fr);
  grid-auto-rows:60px;
  gap:4px;
  border-radius:8px;
  overflow:hidden;
  background:#0d1b2a;
}
.ci-photo{
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.85);
  font-size:11px;
  font-weight:500;
  letter-spacing:.5px;
  position:relative;
  overflow:hidden;
  min-height:60px;
  background:linear-gradient(135deg,#1E3A5F 0%,#2D5478 50%,#54799B 100%);
}
.ci-photo span{
  z-index:2;
  background:rgba(0,0,0,.35);
  padding:2px 6px;
  border-radius:3px;
  backdrop-filter:blur(2px);
}
/* 8 张学子合影：暖色基调（毕业季氛围） */
.ci-photo-t1{background:linear-gradient(135deg,#8B4513 0%,#A0522D 100%)}
.ci-photo-t2{background:linear-gradient(135deg,#CD853F 0%,#DEB887 100%)}
.ci-photo-t3{background:linear-gradient(135deg,#2F4F4F 0%,#708090 100%)}
.ci-photo-t4{background:linear-gradient(135deg,#556B2F 0%,#8FBC8F 100%)}
.ci-photo-t5{background:linear-gradient(135deg,#800020 0%,#B22222 100%)}
.ci-photo-t6{background:linear-gradient(135deg,#4B0082 0%,#6A5ACD 100%)}
.ci-photo-t7{background:linear-gradient(135deg,#006400 0%,#228B22 100%)}
.ci-photo-t8{background:linear-gradient(135deg,#FF8C00 0%,#FFA500 100%)}
/* 8 张课堂掠影：冷色基调（学习氛围） */
.ci-photo-c1{background:linear-gradient(135deg,#1E3A5F 0%,#54799B 100%)}
.ci-photo-c2{background:linear-gradient(135deg,#0F5E2D 0%,#2BC85F 100%)}
.ci-photo-c3{background:linear-gradient(135deg,#2D5478 0%,#9BB5CC 100%)}
.ci-photo-c4{background:linear-gradient(135deg,#168340 0%,#6FE69B 100%)}
.ci-photo-c5{background:linear-gradient(135deg,#1E3A5F 0%,#E0A92B 100%)}
.ci-photo-c6{background:linear-gradient(135deg,#54799B 0%,#1FA84C 100%)}
.ci-photo-c7{background:linear-gradient(135deg,#0A4220 0%,#2BC85F 100%)}
.ci-photo-c8{background:linear-gradient(135deg,#1E3A5F 0%,#168340 100%)}
.ci-gallery figcaption{
  margin-top:6px;
  font-size:14px;
  color:var(--yx-ink-500);
  text-align:right;
  font-weight:500;
}

/* CTA 按钮 */
.ci-cta-row{
  display:flex;
  justify-content:center;
  margin:36px 0;
}
.ci-cta-btn{
  display:inline-block;
  padding:16px 48px;
  background:var(--yx-green-500);
  color:#fff;
  font-size:18px;
  font-weight:600;
  border-radius:999px;
  text-decoration:none;
  box-shadow:0 6px 20px rgba(43,200,95,.35);
  border:2px dashed #fff;
  outline:2px dashed var(--yx-green-500);
  outline-offset:3px;
  transition:all .25s ease;
  letter-spacing:1px;
}
.ci-cta-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(43,200,95,.5);
  background:var(--yx-green-700,#168340);
}
.ci-cta-bottom{margin:48px 0 24px}

/* 课程体系 */
.ci-system{margin:48px 0 0;text-align:center}
.ci-h3{
  font-size:24px;
  color:var(--yx-green-700,#168340);
  font-weight:700;
  margin:0 0 8px;
  letter-spacing:1px;
}
.ci-p{
  color:var(--yx-ink-500);
  font-size:15px;
  margin:0 0 32px;
}
.ci-features{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin:0 0 48px;
}
.ci-feat{
  background:#fff;
  border:1px solid var(--yx-border);
  border-radius:12px;
  padding:24px 18px;
  text-align:left;
  transition:all .3s ease;
}
.ci-feat:hover{
  border-color:var(--yx-green-500);
  transform:translateY(-4px);
  box-shadow:0 12px 24px rgba(43,200,95,.12);
}
.ci-fi{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:var(--yx-green-500);
  color:#fff;
  font-weight:700;
  border-radius:10px;
  margin-bottom:12px;
  font-size:16px;
}
.ci-feat h4{font-size:17px;color:var(--yx-ink-900);margin:0 0 8px;font-weight:600}
.ci-feat p{font-size:14px;color:var(--yx-ink-500);margin:0;line-height:1.7}
.ci-data{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  background:linear-gradient(135deg,var(--yx-navy-900) 0%,var(--yx-navy-700) 100%);
  border-radius:16px;
  padding:32px 24px;
  color:#fff;
}
.ci-data > div{text-align:center}
.ci-dn{
  font-size:38px;
  font-weight:800;
  color:var(--yx-gold-400);
  line-height:1.2;
  letter-spacing:-1px;
}
.ci-dn small{font-size:18px;color:#fff;font-weight:500;margin-left:2px}
.ci-dl{font-size:13px;color:rgba(255,255,255,.7);margin-top:6px}

/* 课程清单 */
.ci-courses{margin:56px 0 0;text-align:center}
.ci-cgrid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:28px;
  text-align:left;
}
.ci-ccard{
  background:#fff;
  border:1px solid var(--yx-border);
  border-radius:12px;
  padding:24px 20px;
  text-decoration:none;
  color:inherit;
  transition:all .3s ease;
  display:block;
}
.ci-ccard:hover{
  border-color:var(--yx-green-500);
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(43,200,95,.15);
}
.ci-cicon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  background:var(--yx-green-50);
  color:var(--yx-green-700);
  font-weight:700;
  border-radius:10px;
  margin-bottom:12px;
  font-size:15px;
}
.ci-ccard h4{font-size:17px;color:var(--yx-ink-900);margin:0 0 8px;font-weight:600}
.ci-ccard p{font-size:14px;color:var(--yx-ink-500);margin:0 0 12px;line-height:1.6}
.ci-cmore{font-size:14px;color:var(--yx-green-500);font-weight:600}

/* 列表页：在 tabbed-main 内部时，无 main 顶部留白 */
.list-layout > main > .tabbed-main{margin-top:0}

/* ====================== 上一篇 / 下一篇 ====================== */
.prev-next-nav{
  display:flex;
  gap:16px;
  margin-top:28px;
  padding-top:24px;
  border-top:1px solid var(--yx-border);
}
.pn-link{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:16px 20px;
  border-radius:12px;
  background:var(--yx-paper);
  transition:all .25s ease;
  text-decoration:none;
  color:var(--yx-navy-900);
}
.pn-link:hover{
  background:var(--yx-green-50,#e6f9ed);
  transform:translateY(-2px);
  box-shadow:0 4px 16px rgba(43,200,95,.12);
}
.pn-label{
  font-size:13px;
  color:var(--yx-green-500);
  font-weight:600;
}
.pn-title{
  font-size:15px;
  line-height:1.5;
  font-weight:500;
}
.pn-empty{
  color:var(--yx-gray-400);
  text-align:center;
  justify-content:center;
  font-size:14px;
}
.pn-prev .pn-label::before{content:"← ";font-size:14px}
.pn-next .pn-label::before{content:"→ ";font-size:14px}
.pn-next{text-align:right}

@media (max-width:560px){
  .prev-next-nav{flex-direction:column;gap:12px}
  .pn-next{text-align:left}
}

/* 响应式 */
@media (max-width:900px){
  .ci-features,.ci-data,.ci-cgrid{grid-template-columns:repeat(2,1fr)}
  .ci-photos-grid{grid-template-columns:repeat(4,1fr)}
  .tm-tabs{padding:14px 16px 0}
  .tm-panes{padding:20px 16px 24px}
  .tm-hint{width:100%;margin:0 0 8px;text-align:left}
}
@media (max-width:560px){
  .ci-features,.ci-data,.ci-cgrid{grid-template-columns:1fr}
  .ci-photos-grid{grid-template-columns:repeat(2,1fr)}
  .ci-head h2,.ci-h3{font-size:20px}
  .ci-cta-btn{font-size:15px;padding:14px 28px}
  .tm-tab{padding:10px 14px;font-size:15px}
}