:root{
  --teal-900:#134e4a;--teal-700:#0f766e;--teal-600:#0d9488;--teal-500:#14b8a6;--teal-50:#f0fdfa;
  --orange:#ea580c;--slate:#334155;--slate-900:#0f172a;--slate-800:#1e293b;--muted:#64748b;
  --line:#e2e8f0;--bg:#f1f5f9;--card:#fff;--radius:12px;
  --shadow:0 4px 18px rgba(15,23,42,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--slate);font:15px/1.7 "PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:1200px;max-width:100%;margin:0 auto;padding:0 16px}

/* 顶部条 */
.top{background:var(--slate-900);color:#cbd5e1;font-size:13px}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center;height:36px}
.top-welcome .fa{color:var(--orange);margin-right:6px}
.top-links a{margin-left:6px}.top-links a:hover{color:#fff}
.top-links .fa{margin-right:4px}
.top-divider{margin:0 10px;color:#475569}

/* 头部 */
.header-navigation{background:#fff}
.head-ls{display:flex;justify-content:space-between;align-items:center;height:84px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{width:52px;height:52px}
.logo b{display:block;font-size:22px;color:var(--teal-900);letter-spacing:1px}
.logo small{display:block;font-size:12px;color:var(--muted);letter-spacing:2px}
.search-form{display:flex;border:2px solid var(--teal-600);border-radius:999px;overflow:hidden;background:#fff}
.search-form input{border:0;outline:0;padding:0 18px;width:260px;height:38px;font-size:14px;background:transparent}
.search-form button{border:0;background:var(--teal-600);color:#fff;width:46px;cursor:pointer;font-size:16px}
.search-form button:hover{background:var(--teal-700)}

/* 导航 */
.navbar{background:var(--teal-700)}
.navbar ul{display:flex;overflow-x:auto;scrollbar-width:none}
.navbar ul::-webkit-scrollbar{display:none}
.navbar a{display:block;padding:0 26px;line-height:50px;color:#fff;font-size:15px;font-weight:600;white-space:nowrap}
.navbar a:hover{background:rgba(255,255,255,.12)}
.navbar a.active{background:var(--orange)}

/* 首屏 */
.hero-section{background:linear-gradient(135deg,var(--teal-900) 0%,var(--teal-600) 55%,var(--teal-500) 100%);color:#fff;position:relative;overflow:hidden}
.hero-section:after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero-inner{padding:64px 16px 96px;text-align:center;position:relative;z-index:1}
.hero-title{font-size:32px;font-weight:700;letter-spacing:1px}
.hero-title .accent{color:#fdba74;margin:0 10px}
.hero-subtitle{max-width:640px;margin:14px auto 26px;opacity:.9}
.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.hero-tags a{padding:7px 18px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);font-size:14px}
.hero-tags a:hover{background:rgba(255,255,255,.26)}
.hero-tags .fa{margin-right:6px}

/* 三个特色卡片 */
.feature-strip{margin-top:-56px;position:relative;z-index:2}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{display:flex;gap:16px;align-items:center;background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.feature-card h3{font-size:17px;color:var(--slate-900)}
.feature-card p{font-size:13px;color:var(--muted)}
.feature-icon{flex:none;width:50px;height:50px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:22px;background:linear-gradient(135deg,var(--teal-700),var(--teal-500))}
.feature-icon.orange{background:linear-gradient(135deg,#c2410c,#f97316)}
.feature-icon.slate{background:linear-gradient(135deg,#0f172a,#475569)}

/* 版块 */
.home-section{margin:36px auto}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px}
.section-head h2{font-size:22px;color:var(--slate-900);padding-left:14px;border-left:4px solid var(--orange);line-height:1.2}
.section-head h2 small{display:block;font-size:12px;color:var(--muted);letter-spacing:2px;font-weight:400;margin-top:4px}
.more-link{font-size:13px;color:var(--muted)}.more-link:hover{color:var(--teal-700)}
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}

/* 卡片列表 */
.w-cont-box{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.a-cont-style1{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.a-cont-style1:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(15,23,42,.14)}
.a-cont-style1 .pic{aspect-ratio:4/3;overflow:hidden;background:#e2e8f0}
.a-cont-style1 .pic img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.a-cont-style1:hover .pic img{transform:scale(1.05)}
.a-cont-tx{padding:12px 14px 14px}
.a-cont-tx h3{font-size:15px;color:var(--slate-900);font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px}
.a-cont-tx .meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:6px}
.tag{display:inline-block;padding:0 8px;border-radius:4px;background:var(--teal-50);color:var(--teal-700);font-size:12px}

/* 置顶推荐：标题压在图上 */
.top-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.top-item{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/7;box-shadow:var(--shadow)}
.top-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.top-item:hover img{transform:scale(1.04)}
.top-item span{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 10px;color:#fff;font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.7))}
.top-item .badge{position:absolute;left:10px;top:10px;padding:1px 8px;border-radius:4px;background:var(--orange);color:#fff;font-size:12px}

/* 面包屑与分页 */
.crumb{font-size:13px;color:var(--muted);margin:18px 0}
.crumb a:hover{color:var(--teal-700)}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.cat-tabs a{padding:5px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px}
.cat-tabs a.on,.cat-tabs a:hover{background:var(--teal-700);border-color:var(--teal-700);color:#fff}
.pager{display:flex;justify-content:center;gap:8px;margin:28px 0}
.pager a{min-width:36px;height:36px;padding:0 10px;display:grid;place-items:center;border-radius:8px;background:#fff;border:1px solid var(--line)}
.pager a.on{background:var(--teal-700);color:#fff;border-color:var(--teal-700)}
.empty{text-align:center;padding:60px 0;color:var(--muted)}
.empty .fa{font-size:40px;display:block;margin-bottom:10px;color:#cbd5e1}

/* 详情 */
.show-top{display:grid;grid-template-columns:380px 1fr;gap:28px}
.show-top .cover{border-radius:10px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1;background:#f8fafc}
.show-top .cover img{width:100%;height:100%;object-fit:contain}
.show-top h1{font-size:24px;color:var(--slate-900);line-height:1.4;margin-bottom:12px}
.show-info li{padding:7px 0;border-bottom:1px dashed var(--line);font-size:14px}
.show-info li em{font-style:normal;color:var(--muted);display:inline-block;width:90px}
.reveal{margin-left:8px;color:var(--teal-700);cursor:pointer;font-size:13px}
.show-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 22px;border-radius:8px;background:var(--teal-700);color:#fff;border:0;cursor:pointer;font-size:14px}
.btn:hover{background:var(--teal-900)}
.btn.orange{background:var(--orange)}.btn.orange:hover{background:#c2410c}
.btn.ghost{background:#fff;color:var(--teal-700);border:1px solid var(--teal-700)}
.show-body{margin-top:26px}
.show-body h2{font-size:18px;color:var(--slate-900);padding-left:12px;border-left:4px solid var(--teal-600);margin:22px 0 10px;line-height:1.3}
.show-body p{margin-bottom:10px;text-indent:2em}
.show-body ul{margin:0 0 10px 2em;list-style:disc}
.show-body img{margin:14px auto;border-radius:8px}
.prev-next{display:flex;justify-content:space-between;gap:16px;margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.prev-next a{color:var(--slate)}.prev-next a:hover{color:var(--teal-700)}

/* 单页、表单 */
.page-wrap{display:grid;grid-template-columns:240px 1fr;gap:20px;margin:20px auto 40px}
.side-menu{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;align-self:start}
.side-menu h3{background:var(--teal-700);color:#fff;padding:14px 18px;font-size:16px}
.side-menu a{display:block;padding:12px 18px;border-bottom:1px solid var(--line)}
.side-menu a.on,.side-menu a:hover{color:var(--teal-700);background:var(--teal-50)}
.page-body h1{font-size:22px;color:var(--slate-900);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.page-body p{margin-bottom:12px;text-indent:2em}
.page-body h2{font-size:16px;margin:18px 0 8px;color:var(--slate-900)}
.form-card{max-width:420px;margin:40px auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.form-tabs{display:flex}
.form-tabs a{flex:1;text-align:center;padding:14px;background:#f8fafc;color:var(--muted);font-weight:600}
.form-tabs a.on{background:#fff;color:var(--teal-700);box-shadow:inset 0 -3px 0 var(--teal-600)}
.form-card form{padding:26px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;outline:0}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--teal-600)}
.form-card .btn{width:100%;justify-content:center}

/* 页脚 */
.footer-main{background:var(--slate-900);color:#94a3b8;margin-top:40px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr 1fr;gap:30px;padding:44px 16px 30px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:10px}
.footer-brand img{width:36px;height:36px;border-radius:8px;background:#fff;padding:3px}
.footer-title{color:#fff;font-size:16px;margin-bottom:12px}
.footer-links a{display:block;padding:3px 0}.footer-links a:hover{color:#fff}
.contact-line{margin-bottom:6px}.contact-line .fa{width:20px;color:var(--teal-500)}
.qr-box{width:110px;background:#fff;padding:6px;border-radius:8px}
.footer-qr p{margin-top:6px;font-size:13px}
.footer-bottom{border-top:1px solid #1e293b;text-align:center;padding:16px;font-size:13px;line-height:2}
.footer-bottom a:hover{color:#fff}

.back-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--teal-600);color:#fff;display:grid;place-items:center;font-size:22px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s;z-index:20;cursor:pointer}
.back-top.show{opacity:.9;pointer-events:auto}
.toast{position:fixed;left:50%;top:30%;transform:translateX(-50%);background:rgba(15,23,42,.88);color:#fff;padding:12px 22px;border-radius:8px;z-index:30;font-size:14px}

@media (max-width:1024px){
  .w-cont-box{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .top-welcome{display:none}.top-bar-inner{justify-content:flex-end}
  .head-ls{flex-direction:column;height:auto;padding:12px 16px;gap:10px}
  .search-box,.search-form{width:100%}.search-form input{width:100%}
  .navbar a{padding:0 16px;line-height:44px;font-size:14px}
  .hero-inner{padding:40px 16px 80px}.hero-title{font-size:22px}.hero-title .accent{display:block;height:0;overflow:hidden}
  .feature-grid{grid-template-columns:1fr;gap:12px}
  .w-cont-box{grid-template-columns:repeat(2,1fr);gap:12px}
  .top-grid{grid-template-columns:1fr}
  .show-top{grid-template-columns:1fr}
  .page-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}