/* ===== 康斐体育 官网样式 ===== */
:root{
  --ink:#141518;
  --ink-2:#3a3d44;
  --muted:#7a7e88;
  --bg:#ffffff;
  --bg-soft:#f6f6f4;
  --line:#e8e8e4;
  --accent:#ff4d2e;
  --accent-2:#ff8a3d;
  --grad:linear-gradient(135deg,#ff4d2e 0%,#ff8a3d 100%);
  --radius:18px;
  --shadow:0 14px 40px rgba(20,21,24,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1180px,92%);margin:0 auto}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s;padding:14px 0}
.nav.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 4px 24px rgba(0,0,0,.06);padding:8px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center;flex:none}
.logo-text{font-weight:800;font-size:19px;color:#fff;line-height:1.1;letter-spacing:1px}
.logo-text small{display:block;font-size:10px;font-weight:500;letter-spacing:3px;opacity:.75}
.nav.scrolled .logo-text{color:var(--ink)}
.menu{display:flex;align-items:center;gap:26px}
.menu a{color:#fff;font-size:15px;font-weight:500;position:relative;padding:4px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad);transition:width .25s}
.menu a:hover::after{width:100%}
.nav.scrolled .menu a{color:var(--ink)}
.menu-cta{background:var(--grad);color:#fff!important;padding:9px 22px!important;border-radius:999px;font-weight:600}
.menu-cta::after{display:none}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2.5px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}
.nav.scrolled .nav-toggle span{background:var(--ink)}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;background:#0d0e11}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,14,.62) 0%,rgba(10,10,14,.28) 45%,rgba(10,10,14,.78) 100%)}
.hero-content{position:relative;z-index:2;padding:140px 0 120px;color:#fff;text-align:center}
.hero-kicker{font-size:15px;letter-spacing:5px;opacity:.85;margin-bottom:18px}
.hero h1{font-size:clamp(40px,7vw,76px);font-weight:800;letter-spacing:4px;line-height:1.2}
.hero h1 .dot{color:var(--accent);margin:0 6px}
.hero-sub{margin-top:22px;font-size:clamp(14px,1.6vw,18px);opacity:.88;letter-spacing:1px}
.hero-btns{margin-top:40px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 38px;border-radius:999px;font-size:16px;font-weight:600;transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-3px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 28px rgba(255,77,46,.4)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.65);color:#fff}
.hero-stats{position:relative;z-index:2;background:rgba(13,14,17,.55);backdrop-filter:blur(8px);border-top:1px solid rgba(255,255,255,.12)}
.hero-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}
.stat{text-align:center;color:#fff}
.stat b{font-size:clamp(26px,3.4vw,38px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{display:block;font-size:13px;opacity:.7;margin-top:4px;letter-spacing:2px}

/* ===== 通用 section ===== */
.section{padding:96px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:3px;color:var(--accent);margin-bottom:12px}
.sec-head h2,.about-text h2,.digital-text h2{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.35}
.sec-desc{color:var(--muted);margin-top:14px;font-size:15.5px}

/* ===== 公司简介 ===== */
.about{background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.about-text p{margin-top:16px;color:var(--ink-2);font-size:15.5px}
.about-text h2{margin:8px 0 6px}
.about-list{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.about-list li{position:relative;padding-left:24px;font-size:14.5px;font-weight:600}
.about-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}
.about-pics{display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:auto auto;gap:16px}
.about-pics figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-pics img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.about-pics figure:hover img{transform:scale(1.05)}
.ap-main{grid-column:1/-1;height:300px}
.ap-1,.ap-2{height:210px}

/* ===== 品牌矩阵 ===== */
.brands{background:var(--bg-soft)}
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.brand-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 28px rgba(20,21,24,.07);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.brand-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.bc-img{height:200px;overflow:hidden}
.bc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.brand-card:hover .bc-img img{transform:scale(1.07)}
.bc-body{padding:24px 22px 26px;position:relative;flex:1;display:flex;flex-direction:column}
.bc-num{position:absolute;top:16px;right:20px;font-size:40px;font-weight:800;color:rgba(20,21,24,.06);font-style:italic}
.bc-body h3{font-size:18.5px;font-weight:700;margin-bottom:10px}
.bc-body p{font-size:13.8px;color:var(--muted);flex:1}
.bc-body em{font-style:normal;margin-top:14px;font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:.5px}

/* ===== 课程服务 ===== */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.course-card{position:relative;border-radius:var(--radius);overflow:hidden;height:340px;cursor:default;background:#111}
.cc-poster,.cc-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s,opacity .4s}
.cc-video{opacity:0}
.course-card.has-video:hover .cc-video{opacity:1}
.course-card.has-video:hover .cc-poster{opacity:0}
.course-card:hover .cc-poster{transform:scale(1.06)}
.cc-body{position:absolute;inset:auto 0 0 0;padding:70px 22px 22px;background:linear-gradient(180deg,transparent,rgba(8,8,12,.88) 60%);color:#fff}
.cc-body h3{font-size:19px;font-weight:700}
.cc-body p{font-size:13.2px;opacity:.82;margin-top:6px}
.course-card .cc-body{transform:translateY(8px);transition:transform .35s}
.course-card:hover .cc-body{transform:translateY(0)}

/* ===== 场馆环境 ===== */
.venues{background:var(--bg-soft)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery figure{border-radius:14px;overflow:hidden;cursor:zoom-in;aspect-ratio:4/3;background:#ddd}
.gallery figure:nth-child(1),.gallery figure:nth-child(6){grid-column:span 2;aspect-ratio:auto}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.06)}

/* ===== 教练团队 ===== */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.coach{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 28px rgba(20,21,24,.07);transition:transform .3s,box-shadow .3s}
.coach:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.coach-photo{aspect-ratio:4/4.6;overflow:hidden;background:#eee}
.coach-photo img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s}
.coach:hover .coach-photo img{transform:scale(1.04)}
.coach-info{padding:20px 22px 24px}
.coach-info h3{font-size:18px;font-weight:700}
.coach-info h3 span{font-size:13px;font-weight:600;color:var(--accent);margin-left:8px}
.coach-meta{font-size:13px;color:var(--muted);margin-top:6px}
.coach-skill{font-size:13.5px;font-weight:600;margin-top:10px;padding-top:12px;border-top:1px dashed var(--line)}

/* ===== 发展历程 ===== */
.history{background:var(--bg-soft)}
.timeline{position:relative;max-width:880px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent),var(--accent-2));transform:translateX(-50%)}
.tl-item{display:flex;align-items:center;gap:34px;margin-bottom:44px;position:relative}
.tl-item:nth-child(even){flex-direction:row-reverse}
.tl-thumb{width:190px;height:140px;border-radius:14px;overflow:hidden;flex:none;box-shadow:var(--shadow)}
.tl-thumb img{width:100%;height:100%;object-fit:cover}
.tl-body{flex:1;background:#fff;border-radius:var(--radius);padding:24px 26px;box-shadow:0 8px 28px rgba(20,21,24,.06)}
.tl-body b{display:inline-block;font-size:14px;font-weight:800;color:#fff;background:var(--grad);padding:3px 14px;border-radius:999px;letter-spacing:1px}
.tl-body h3{font-size:17.5px;font-weight:700;margin:10px 0 6px}
.tl-body p{font-size:13.8px;color:var(--muted)}
.tl-item::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 3px var(--accent);transform:translate(-50%,-50%)}

/* ===== 企业文化 ===== */
.culture{background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}
.culture-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:880px;margin:0 auto}
.culture-card{background:linear-gradient(135deg,#1b1c20,#2c2e34);color:#fff;border-radius:var(--radius);padding:36px 34px;position:relative;overflow:hidden}
.culture-card::before{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:var(--grad);opacity:.18}
.culture-card h3{font-size:20px;margin-bottom:12px}
.culture-card h3::after{content:"";display:block;width:38px;height:3px;background:var(--grad);border-radius:2px;margin-top:10px}
.culture-card p{font-size:15px;opacity:.85}
.values{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;max-width:1180px;margin:26px auto 0}
.value{background:#fff;border-radius:14px;padding:22px 16px;text-align:center;box-shadow:0 8px 24px rgba(20,21,24,.06);transition:transform .3s}
.value:hover{transform:translateY(-6px)}
.value b{display:block;font-size:20px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.value span{display:block;font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.6}

/* ===== 智慧场馆 ===== */
.digital{background:#101114;color:#fff}
.digital .sec-tag{color:var(--accent-2)}
.digital-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.digital-text p{margin-top:16px;color:#b9bcc4;font-size:15.5px}
.digital-text .about-list li{color:#e8e9ec}
.digital-text h2{color:#fff}
.digital-pics{display:grid;gap:16px}
.digital-pics figure{border-radius:var(--radius);overflow:hidden;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.digital-pics img{width:100%;transition:transform .5s}
.digital-pics figure:hover img{transform:scale(1.03)}

/* ===== 会员活动 ===== */
.event-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.event-grid figure{border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 28px rgba(20,21,24,.07);background:#fff}
.event-grid img{width:100%;height:250px;object-fit:cover;transition:transform .5s}
.event-grid figure:hover img{transform:scale(1.05)}
.event-grid figcaption{padding:14px 16px;font-size:14px;font-weight:600;text-align:center}

/* ===== 联系我们 ===== */
.contact{background:var(--bg-soft)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contact-card{background:#fff;border-radius:var(--radius);padding:34px 30px;box-shadow:0 8px 28px rgba(20,21,24,.07);transition:transform .3s}
.contact-card:hover{transform:translateY(-6px)}
.contact-card b{display:inline-block;font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:2px;background:rgba(255,77,46,.08);padding:4px 12px;border-radius:999px}
.contact-card h3{font-size:19px;margin:14px 0 10px}
.contact-card p{font-size:14px;color:var(--muted)}
.contact-cta{margin-top:44px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.cta-note{font-size:12.5px;color:var(--muted)}

/* ===== 页脚 ===== */
.footer{background:#0c0d10;color:#9ea2ab;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer .logo-text{color:#fff}
.footer b{color:#fff;font-size:15px;display:block;margin-bottom:14px}
.footer p{line-height:2}
.footer a:hover{color:#fff}
.footer-desc{margin-top:16px;line-height:1.9}
.copyright{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:18px 0;font-size:13px;color:#6d717b}

/* ===== 灯箱 ===== */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,8,12,.92);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.lightbox.active{opacity:1;pointer-events:auto}
.lightbox img{max-width:88vw;max-height:86vh;border-radius:10px;box-shadow:0 20px 80px rgba(0,0,0,.6)}
.lb-close{position:absolute;top:22px;right:30px;background:none;border:0;color:#fff;font-size:44px;cursor:pointer;line-height:1}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ===== 减弱动效偏好 ===== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-video{display:none}
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .brand-grid{grid-template-columns:repeat(2,1fr)}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery figure:nth-child(1),.gallery figure:nth-child(6){grid-column:span 2}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(3,1fr)}
  .event-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .menu{position:fixed;top:0;right:-100%;width:min(78vw,320px);height:100vh;background:#141518;flex-direction:column;justify-content:center;gap:22px;transition:right .35s;z-index:99}
  .menu.open{right:0}
  .menu a{color:#fff!important}
  .nav-toggle{display:block;position:relative;z-index:101}
  .hero-stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .about-grid,.digital-grid{grid-template-columns:1fr;gap:36px}
  .about-pics .ap-main{height:220px}
  .ap-1,.ap-2{height:160px}
  .brand-grid{grid-template-columns:1fr}
  .course-grid{grid-template-columns:1fr}
  .course-card{height:280px}
  .team-grid{grid-template-columns:1fr}
  .timeline::before{left:12px}
  .tl-item,.tl-item:nth-child(even){flex-direction:column;align-items:flex-start;gap:16px;padding-left:34px}
  .tl-item::after{left:12px;transform:translate(-50%,-50%)}
  .tl-thumb{width:100%;height:170px}
  .culture-grid{grid-template-columns:1fr}
  .values{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .event-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}