/* ===== 九色屯蒙 · 老模板(sl11)版式 + 青蓝主色 ===== */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#333;background:#fff;line-height:1.7}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
a{text-decoration:none}
img{max-width:100%}

/* 顶部双热线横条（老模板 topabg 风格） */
.topbar{background:linear-gradient(90deg,#0d3a63,#1781bd);color:#fff}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:54px;flex-wrap:wrap;gap:6px;font-size:18px}
.topbar .hot{color:#fff;font-weight:bold;font-size:20px}

/* 头部 LOGO 行 */
.header{background:#fff;border-bottom:3px solid #27a8e1;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:92px}
.logo{display:inline-flex;align-items:center;gap:14px;color:#1781bd;text-decoration:none;font-weight:bold;font-size:24px}
.logo img{display:block;height:92px;width:auto;max-width:380px}
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.menu-btn span{width:26px;height:3px;background:#1781bd;border-radius:2px}

/* 导航（青蓝实色条） */
.nav{background:#1781bd}
.nav ul{display:flex;list-style:none;flex-wrap:wrap}
.nav ul li{position:relative}
.nav ul li>a{display:block;color:#fff;padding:0 18px;line-height:54px;font-size:16px;transition:.2s}
.nav ul li>a:hover,.nav ul li.active>a{background:#27a8e1}
.dropdown{display:none;position:absolute;top:54px;left:0;background:#fff;min-width:170px;box-shadow:0 6px 20px rgba(0,0,0,.15);z-index:60;border-radius:0 0 6px 6px;overflow:hidden}
.nav ul li:hover .dropdown{display:block}
.dropdown a{display:block;color:#333;padding:10px 16px;font-size:14px;border-bottom:1px solid #f0f0f0}
.dropdown a:hover{background:#e8f6fd;color:#1781bd}

/* 横幅轮播 */
.banner.hero{position:relative;height:460px;overflow:hidden;background:#0d4f9e}
.banner .slide{position:absolute;inset:0;display:none;align-items:center;justify-content:center;text-align:center;color:#fff;background-size:cover;background-position:center;padding:0 20px}
.banner .slide.active{display:flex}
.banner .slide::before{content:"";position:absolute;inset:0;background:rgba(9,40,80,.45)}
.banner .slide>div{position:relative;z-index:1;max-width:860px}
.banner h1{font-size:40px;margin-bottom:14px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.banner p{font-size:18px;opacity:.95;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.banner .dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:2;display:flex;gap:8px}
.banner .dots span{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer}
.banner .dots span.on{background:#27a8e1}

/* 区块标题（老模板 sl11-aa + sl11-a-diva 副标装饰） */
.block{width:95%;max-width:1200px;margin:50px auto}
.block .title{text-align:center;display:block;margin-bottom:30px}
.block .title h2{font-size:30px;color:#1781bd;font-weight:400;display:inline-block;padding-bottom:14px}
.block .title .sub{display:block;height:1px;background:#cfd8de;text-align:center;margin-top:-1px}
.block .title .sub i{display:inline-block;padding:5px 20px;background:#27a8e1;font-size:14px;color:#fff;border-radius:20px;position:relative;top:-14px;font-style:normal}

/* 图文卡片（老模板 sl11-ac 风格） */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid #e8eef2;border-radius:8px;overflow:hidden;background:#fff;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(23,129,189,.18)}
.card .pic{height:185px;background-size:cover;background-position:center;background-color:#e8f6fd;position:relative}
.card .body{padding:16px 18px}
.card h3{font-size:18px;color:#1781bd;margin-bottom:8px}
.card p{color:#666;font-size:14px;line-height:1.7}

/* 数据条 */
.stats{background:linear-gradient(120deg,#1781bd,#27a8e1);color:#fff;padding:34px 0}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.stat .num{font-size:40px;font-weight:bold}
.stat .lab{font-size:14px;opacity:.92}

/* 按钮 */
.btn{display:inline-block;background:#1781bd;color:#fff;padding:12px 28px;border-radius:26px;font-weight:bold;transition:.2s}
.btn:hover{background:#27a8e1}
.btn-gold{background:#f0a500;color:#10243b}
.btn-gold:hover{background:#ffb91f}

/* 新闻列表（老模板竖排 dl 风） */
.news-list{list-style:none;max-width:920px;margin:0 auto}
.news-list li{padding:14px 4px;border-bottom:1px dashed #d8e2e8;font-size:16px}
.news-list li a{color:#333}
.news-list li a:hover{color:#1781bd}
.news-list .tag{display:inline-block;background:#e8f6fd;color:#1781bd;font-size:12px;padding:2px 10px;border-radius:10px;margin-right:10px}

/* 招生报名条 */
.enroll-cta{text-align:center;padding:20px 0}
.enroll-cta .btn{margin:0 8px}

/* 页脚（老模板 sl11-f 招生联系 + 报名表单） */
.footer{background:#0d3a63;color:#cfe2f3;padding:44px 0 0}
.footer .container{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.footer h4{color:#fff;font-size:18px;margin-bottom:14px;border-left:4px solid #27a8e1;padding-left:10px}
.footer p{font-size:14px;margin:6px 0;line-height:1.8}
.footer a{color:#cfe2f3}
.footer a:hover{color:#27a8e1}
.fm-form input,.fm-form textarea{width:100%;padding:10px 12px;border:1px solid #2c5f86;border-radius:6px;font-size:14px;font-family:inherit;margin-bottom:10px;background:#103e63;color:#fff;box-sizing:border-box}
.fm-form input::placeholder,.fm-form textarea::placeholder{color:#9fc2e0}
.fm-form .fm-sub{background:#27a8e1;color:#fff;border:none;padding:11px 26px;border-radius:24px;cursor:pointer;font-weight:bold}
.fm-form .fm-sub:hover{background:#1781bd}
.copy{background:#082a49;color:#9fc2e0;font-size:13px;text-align:center;padding:14px 16px;line-height:1.7;margin-top:30px}

/* 响应式 */
@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .footer .container{grid-template-columns:1fr}
  .header .container{height:auto;padding:10px 16px}
  .menu-btn{display:flex}
  .nav{display:none}
  .nav.open{display:block}
  .nav ul{flex-direction:column}
  .nav ul li>a{line-height:46px}
  .dropdown{position:static;box-shadow:none;display:block}
  .banner.hero{height:340px}
  .banner h1{font-size:26px}
}
@media(max-width:600px){
  .cards{grid-template-columns:1fr}
  .banner.hero{height:280px}
  .banner h1{font-size:22px}
  .banner p{font-size:15px}
  .block .title h2{font-size:24px}
}

/* ===== 内页兼容样式（.section/.section-title/.grid/.gallery/.logo-card/.form-row/.col） ===== */
.section{padding:56px 0}
.section .container,.section>.container{max-width:1200px;margin:0 auto;padding:0 16px}
.section-title{text-align:center;margin-bottom:30px}
.section-title h2{font-size:28px;color:#1781bd;position:relative;display:inline-block;padding-bottom:12px;font-weight:400}
.section-title h2::after{content:'';display:block;width:54px;height:3px;background:#27a8e1;margin:12px auto 0}
.section-title p{color:#888;font-size:15px;margin-top:8px}
.section-title.sub-title h2{font-size:22px}
.hero{background:linear-gradient(90deg,#0d3a63,#1781bd);color:#fff;text-align:center;padding:44px 16px}
.hero h2{font-size:30px;color:#fff}
.hero p{color:#dcecf7;font-size:15px;margin-top:8px}
.anchor-nav{background:#eef6fb;border-bottom:1px solid #d6e9f4;padding:12px 0}
.anchor-nav .container{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.anchor-nav a{display:inline-block;background:#fff;color:#1781bd;border:1px solid #cfe6f2;border-radius:20px;padding:6px 16px;font-size:14px}
.anchor-nav a:hover{background:#27a8e1;color:#fff;border-color:#27a8e1}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid .card .pic{height:185px;background-size:cover;background-position:center;background-color:#e8f6fd}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g-item{position:relative;border-radius:10px;overflow:hidden;border:1px solid #e8eef2;background:#fff;transition:transform .2s,box-shadow .2s}
.g-item:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(23,129,189,.18)}
.g-item img{display:block;width:100%;height:190px;object-fit:cover}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(13,58,99,.85));color:#fff;padding:26px 12px 10px;font-size:14px;text-align:center}
.g-item .info{padding:12px}
.footer .container{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.col h4{color:#fff;font-size:17px;margin-bottom:14px;border-left:4px solid #27a8e1;padding-left:10px}
.col p{font-size:14px;margin:6px 0;line-height:1.8}
.col a{color:#cfe2f3}
.col a:hover{color:#27a8e1}
.logo-section{padding:10px 0}
.logo-card{display:flex;gap:34px;align-items:flex-start;background:#fff;border:1px solid #e8eef2;border-radius:12px;padding:28px;margin-bottom:26px}
.logo-card.reverse{flex-direction:row-reverse}
.logo-card .visual{flex:0 0 300px}
.logo-card .visual img{width:100%;border-radius:8px;background:#f5f9fd;padding:14px;border:1px solid #e8eef2}
.logo-card .info{flex:1}
.logo-card .info h4{color:#1781bd;font-size:19px;margin:10px 0;border-left:4px solid #27a8e1;padding-left:10px}
.logo-card .info ul{list-style:none;margin:6px 0}
.logo-card .info ul li{padding:5px 0;color:#555;font-size:14px;line-height:1.8}
.logo-card .info .scene{background:#f0f8fd;border-radius:8px;padding:10px 12px;color:#1781bd;font-size:14px;margin:6px 0}
.logo-card .info .tag{display:inline-block;background:#27a8e1;color:#fff;font-size:12px;padding:3px 12px;border-radius:12px}
.logo-card .positioning{background:#fff8ea;border-left:4px solid #f0a500;padding:10px 14px;border-radius:6px;margin-top:8px;color:#8a6d1d}
.logo-card .positioning p{font-size:14px;margin:4px 0}
.brand-core{max-width:920px;margin:0 auto;text-align:center;color:#555;font-size:15px;line-height:2}
.lead-frm{max-width:720px;margin:0 auto;background:#f6f9fd;border:1px solid #e4eef6;border-radius:12px;padding:28px}
.form-row{display:flex;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.form-row input,.form-row textarea,.form-row select{flex:1;min-width:200px;padding:11px 14px;border:1px solid #cfdde8;border-radius:8px;font-size:14px;font-family:inherit;box-sizing:border-box}
.form-row textarea{width:100%;min-height:100px}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:#27a8e1}
.contact-qrcode img{width:180px;height:180px;object-fit:contain;background:#fff;padding:10px;border:1px solid #e8eef2;border-radius:10px}
.intro,.info{color:#444;font-size:15px;line-height:1.9}
.keywords{color:#666;font-size:14px}
.err{color:#c0392b}
@media(max-width:900px){
  .grid-3,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .logo-card,.logo-card.reverse{flex-direction:column}
  .logo-card .visual{flex:1 1 auto}
}
@media(max-width:600px){
  .grid-3,.gallery-grid{grid-template-columns:1fr}
}

/* ===== 内页兼容样式（.section/.section-title/.grid/.gallery/.logo-card/.form-row/.col） ===== */
.section{padding:56px 0}
.section .container,.section>.container{max-width:1200px;margin:0 auto;padding:0 16px}
.section-title{text-align:center;margin-bottom:30px}
.section-title h2{font-size:28px;color:#1781bd;position:relative;display:inline-block;padding-bottom:12px;font-weight:400}
.section-title h2::after{content:'';display:block;width:54px;height:3px;background:#27a8e1;margin:12px auto 0}
.section-title p{color:#888;font-size:15px;margin-top:8px}
.section-title.sub-title h2{font-size:22px}
.hero{background:linear-gradient(90deg,#0d3a63,#1781bd);color:#fff;text-align:center;padding:44px 16px}
.hero h2{font-size:30px;color:#fff}
.hero p{color:#dcecf7;font-size:15px;margin-top:8px}
.anchor-nav{background:#eef6fb;border-bottom:1px solid #d6e9f4;padding:12px 0}
.anchor-nav .container{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.anchor-nav a{display:inline-block;background:#fff;color:#1781bd;border:1px solid #cfe6f2;border-radius:20px;padding:6px 16px;font-size:14px}
.anchor-nav a:hover{background:#27a8e1;color:#fff;border-color:#27a8e1}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid .card .pic{height:185px;background-size:cover;background-position:center;background-color:#e8f6fd}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g-item{position:relative;border-radius:10px;overflow:hidden;border:1px solid #e8eef2;background:#fff;transition:transform .2s,box-shadow .2s}
.g-item:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(23,129,189,.18)}
.g-item img{display:block;width:100%;height:190px;object-fit:cover}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(13,58,99,.85));color:#fff;padding:26px 12px 10px;font-size:14px;text-align:center}
.g-item .info{padding:12px}
.footer .container{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.col h4{color:#fff;font-size:17px;margin-bottom:14px;border-left:4px solid #27a8e1;padding-left:10px}
.col p{font-size:14px;margin:6px 0;line-height:1.8}
.col a{color:#cfe2f3}
.col a:hover{color:#27a8e1}
.logo-section{padding:10px 0}
.logo-card{display:flex;gap:34px;align-items:flex-start;background:#fff;border:1px solid #e8eef2;border-radius:12px;padding:28px;margin-bottom:26px}
.logo-card.reverse{flex-direction:row-reverse}
.logo-card .visual{flex:0 0 300px}
.logo-card .visual img{width:100%;border-radius:8px;background:#f5f9fd;padding:14px;border:1px solid #e8eef2}
.logo-card .info{flex:1}
.logo-card .info h4{color:#1781bd;font-size:19px;margin:10px 0;border-left:4px solid #27a8e1;padding-left:10px}
.logo-card .info ul{list-style:none;margin:6px 0}
.logo-card .info ul li{padding:5px 0;color:#555;font-size:14px;line-height:1.8}
.logo-card .info .scene{background:#f0f8fd;border-radius:8px;padding:10px 12px;color:#1781bd;font-size:14px;margin:6px 0}
.logo-card .info .tag{display:inline-block;background:#27a8e1;color:#fff;font-size:12px;padding:3px 12px;border-radius:12px}
.logo-card .positioning{background:#fff8ea;border-left:4px solid #f0a500;padding:10px 14px;border-radius:6px;margin-top:8px;color:#8a6d1d}
.logo-card .positioning p{font-size:14px;margin:4px 0}
.brand-core{max-width:920px;margin:0 auto;text-align:center;color:#555;font-size:15px;line-height:2}
.lead-frm{max-width:720px;margin:0 auto;background:#f6f9fd;border:1px solid #e4eef6;border-radius:12px;padding:28px}
.form-row{display:flex;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.form-row input,.form-row textarea,.form-row select{flex:1;min-width:200px;padding:11px 14px;border:1px solid #cfdde8;border-radius:8px;font-size:14px;font-family:inherit;box-sizing:border-box}
.form-row textarea{width:100%;min-height:100px}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:#27a8e1}
.contact-qrcode img{width:180px;height:180px;object-fit:contain;background:#fff;padding:10px;border:1px solid #e8eef2;border-radius:10px}
.intro,.info{color:#444;font-size:15px;line-height:1.9}
.keywords{color:#666;font-size:14px}
.err{color:#c0392b}
@media(max-width:900px){
  .grid-3,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .logo-card,.logo-card.reverse{flex-direction:column}
  .logo-card .visual{flex:1 1 auto}
}
@media(max-width:600px){
  .grid-3,.gallery-grid{grid-template-columns:1fr}
}

/* banner 含背景图时隐藏h1/p（让图片本身成为视觉主体） */
.banner .slide.has-bg h1,.banner .slide.has-bg p{display:none}

/* 课程/卡片 文字 5 行截断 */
.card .body p{display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;line-clamp:5;line-height:1.7}

/* 查看更多 */
.view-more{display:inline-block;margin-top:10px;color:#27a8e1;font-size:14px;font-weight:bold}
.view-more:hover{color:#1781bd}


/* 列表分页链接样式 (news / gallery) */
.paginator{margin:30px 0 10px;text-align:center}
.pg-link{display:inline-block;padding:8px 16px;margin:0 4px;border:1px solid #1781bd;border-radius:6px;color:#1781bd;background:#fff;font-size:14px;text-decoration:none;transition:all .2s;line-height:1.4}
.pg-link:hover{background:#1781bd;color:#fff}
.pg-link.active{background:#1781bd;color:#fff;cursor:default;font-weight:600}