/* 鑫乐汇游泳健身 gym.marmot.top — 橙黑简约高端 */
:root{
  --orange:#ff6b00;
  --orange-2:#ff8c33;
  --black:#0a0a0a;
  --dark:#141414;
  --grey:#1e1e1e;
  --line:#2a2a2a;
  --txt:#f5f5f5;
  --sub:#9a9a9a;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;overflow-x:hidden;}
body{font:16px/1.8 "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--black);color:var(--txt);overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{max-width:1120px;margin:0 auto;padding:0 20px;}
.narrow{max-width:640px;}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:99;background:rgba(10,10,10,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);overflow:hidden;}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;min-width:0;}
.logo{font-size:20px;font-weight:800;letter-spacing:1px;color:#fff;white-space:nowrap;}
.logo span{color:var(--orange);}
.nav nav{display:flex;gap:4px;flex-wrap:wrap;min-width:0;}
.nav nav a{padding:8px 12px;font-size:15px;color:var(--sub);border-radius:6px;transition:.2s;}
.nav nav a:hover{color:#fff;background:var(--grey);}
.nav nav a.active{color:var(--orange);font-weight:700;}
@media(max-width:860px){
  .nav-inner{height:auto;padding:8px 12px;flex-direction:column;align-items:stretch;gap:6px;}
  .logo{font-size:17px;text-align:left;}
  .nav nav{display:flex;gap:2px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px;min-width:0;width:100%;}
  .nav nav::-webkit-scrollbar{height:0;}
  .nav nav a{padding:6px 9px;font-size:13px;white-space:nowrap;flex:0 0 auto;}
  .hero{margin-top:96px;}
  .page-hero{margin-top:96px;}
}

/* 首屏轮播 */
.hero{position:relative;height:82vh;min-height:520px;overflow:hidden;margin-top:64px;}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease;}
.slide.active{opacity:1;}
.slide-text{position:absolute;left:0;right:0;bottom:14%;text-align:center;padding:0 16px;}
.slide-text h1{font-size:clamp(24px,5vw,52px);font-weight:900;letter-spacing:1px;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.6);word-break:break-word;line-height:1.3;}
.slide-text p{margin:12px 0 22px;font-size:clamp(14px,2vw,20px);color:#eee;letter-spacing:0;line-height:1.6;word-break:break-word;}
.dots{position:absolute;bottom:22px;left:0;right:0;display:flex;justify-content:center;gap:10px;}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:.2s;}
.dot.active{background:var(--orange);transform:scale(1.25);}

/* 按钮 */
.btn{display:inline-block;background:var(--orange);color:#fff;font-weight:700;padding:12px 34px;border-radius:4px;border:none;font-size:16px;cursor:pointer;letter-spacing:1px;transition:.2s;}
.btn:hover{background:var(--orange-2);transform:translateY(-2px);}
.btn-ghost{background:transparent;border:1px solid var(--orange);color:var(--orange);}
.btn-ghost:hover{background:var(--orange);color:#fff;}

/* 区块 */
.section{padding:76px 0;}
.section.alt{background:var(--dark);}
.sec-title{font-size:clamp(24px,3.4vw,36px);font-weight:900;text-align:center;letter-spacing:2px;margin-bottom:12px;}
.sec-title::after{content:"";display:block;width:56px;height:4px;background:var(--orange);margin:14px auto 0;border-radius:2px;}
.sec-desc{color:var(--sub);text-align:center;max-width:820px;margin:18px auto 0;}
.center{text-align:center;}

/* 教练海报 */
.poster{background:linear-gradient(135deg,#000 0%,#1a1a1a 60%,#241203 100%);border:1px solid var(--line);border-radius:14px;max-width:860px;margin:0 auto;padding:48px 34px;text-align:center;position:relative;overflow:hidden;}
.poster::before{content:"XLH";position:absolute;right:-20px;top:-30px;font-size:150px;font-weight:900;color:rgba(255,107,0,.07);letter-spacing:-6px;}
.poster-title{color:var(--orange);letter-spacing:6px;font-size:14px;font-weight:700;margin-bottom:14px;}
.poster-name{font-size:clamp(40px,6vw,64px);font-weight:900;color:#fff;letter-spacing:8px;}
.poster-sub{color:var(--sub);margin:10px 0 26px;letter-spacing:2px;}
.poster-list{list-style:none;text-align:left;max-width:560px;margin:0 auto 28px;}
.poster-list li{padding:9px 0 9px 26px;position:relative;color:#ddd;border-bottom:1px dashed var(--line);}
.poster-list li::before{content:"";position:absolute;left:4px;top:17px;width:8px;height:8px;background:var(--orange);border-radius:2px;transform:rotate(45deg);}

/* 网格 */
.grid-four{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;}
.grid-three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;}
@media(max-width:900px){.grid-four{grid-template-columns:repeat(2,1fr);}.grid-three{grid-template-columns:1fr;}}
.feature{background:var(--grey);border:1px solid var(--line);border-radius:10px;padding:26px 22px;transition:.2s;}
.feature:hover{border-color:var(--orange);transform:translateY(-4px);}
.feature h3{color:var(--orange);font-size:18px;margin-bottom:10px;letter-spacing:1px;}
.feature p{color:var(--sub);font-size:15px;}
.check{list-style:none;margin-top:36px;max-width:860px;margin-left:auto;margin-right:auto;}
.check li{background:var(--grey);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:8px;padding:16px 20px;margin-bottom:14px;color:#ddd;}

/* 画廊 */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px;}
.gallery img{border-radius:8px;height:200px;width:100%;object-fit:cover;transition:.25s;}
.gallery img:hover{transform:scale(1.03);box-shadow:0 8px 26px rgba(255,107,0,.25);}
@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr);}}

/* 价格卡 */
.pricing-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;}
@media(max-width:900px){.pricing-row{grid-template-columns:repeat(2,1fr);}}
.price-card{background:var(--grey);border:1px solid var(--line);border-radius:12px;padding:34px 20px;text-align:center;transition:.2s;}
.price-card:hover{transform:translateY(-6px);}
.price-card.featured{border-color:var(--orange);background:linear-gradient(180deg,#241203,var(--grey));position:relative;}
.price-card.featured::before{content:"超值推荐";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-size:12px;padding:3px 14px;border-radius:20px;letter-spacing:2px;}
.price-card h3{font-size:18px;letter-spacing:2px;color:#fff;}
.price{font-size:42px;font-weight:900;color:var(--orange);margin:14px 0 6px;}
.price span{font-size:15px;color:var(--sub);font-weight:400;}
.price-card p{color:var(--sub);font-size:14px;margin-bottom:20px;min-height:44px;}

/* 案例 */
.case{background:var(--grey);border:1px solid var(--line);border-radius:10px;padding:26px;color:#ddd;}
.case p{font-size:15px;margin-bottom:14px;}
.case strong{color:var(--orange);font-size:14px;}

/* 表单 */
.form{display:flex;flex-direction:column;gap:14px;margin-top:30px;}
.form input,.form select,.form textarea{background:var(--grey);border:1px solid var(--line);border-radius:6px;padding:14px 16px;color:#fff;font-size:15px;outline:none;transition:.2s;}
.form input:focus,.form select:focus{border-color:var(--orange);}
.form select option{background:#1e1e1e;}
.form-msg{display:none;text-align:center;color:var(--orange);font-weight:700;margin-top:14px;}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;margin-top:36px;}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.contact-grid h3{color:var(--orange);font-size:17px;margin:18px 0 6px;letter-spacing:1px;}
.contact-grid h3:first-child{margin-top:0;}
.contact-grid p{color:#ddd;}
.qr{width:220px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:8px;}

/* 页脚 */
.footer{background:#050505;border-top:1px solid var(--line);padding:40px 0;text-align:center;color:var(--sub);font-size:14px;}
.footer p{margin:6px 0;}
.footer .small{font-size:12px;color:#555;}

/* 子页头图 */
.page-hero{margin-top:64px;padding:90px 20px 60px;text-align:center;background:linear-gradient(rgba(10,10,10,.72),rgba(10,10,10,.86)),url('images/storefront.jpg') center/cover;}
.page-hero h1{font-size:clamp(26px,4vw,42px);font-weight:900;letter-spacing:3px;}
.page-hero p{color:var(--sub);margin-top:12px;letter-spacing:2px;}

/* 文章页 */
.article{padding:96px 0 70px;}
.article h1{font-size:clamp(21px,2.6vw,29px);line-height:1.55;margin:0 0 26px;font-weight:900;color:#fff;}
@media(max-width:860px){
  .article{padding:112px 0 60px;}
}
.article h2{color:var(--orange);font-size:20px;margin:32px 0 12px;font-weight:800;letter-spacing:1px;}
.article p{color:#ddd;margin-bottom:15px;line-height:1.9;}
.article-cta{background:var(--grey);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:8px;padding:24px;margin:40px 0 26px;text-align:center;}
.article-cta h2{margin-top:0;}
.article-cta p{color:#eee;text-align:left;}
.article-cta .qr{width:190px;margin:16px auto 8px;}
.article-links{text-align:center;color:var(--sub);margin-top:10px;}
.article-links a{color:var(--orange);margin:0 6px;}
.post{max-width:820px;margin:0 auto;padding:40px 20px 70px;}
.post h1{font-size:clamp(22px,3.4vw,32px);line-height:1.5;margin:26px 0 10px;}
.post .meta{color:var(--sub);font-size:13px;margin-bottom:26px;}
.post h2{color:var(--orange);font-size:20px;margin:30px 0 12px;}
.post p{color:#ddd;margin-bottom:14px;}
.post-end{background:var(--grey);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:8px;padding:22px;margin-top:36px;}
.post-end p{color:#eee;}
.post-end img{width:180px;margin:16px auto 6px;background:#fff;padding:6px;border-radius:8px;}