/* 首页专属样式（公共设计系统见 site.css） */

/* ---------- Banner（多图淡入淡出轮播） ---------- */
.hero{position:relative;min-height:640px;display:flex;align-items:center;color:#fff;overflow:hidden;background:#1E1A14}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-bg{position:absolute;inset:0;background:#1E1A14 center/cover no-repeat;opacity:0;transition:opacity 1.5s ease;pointer-events:none}
.hero-bg.active{opacity:1;animation:heroZoom 9s ease-out forwards;pointer-events:auto}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(16,12,5,.94) 0%,rgba(16,12,5,.8) 38%,rgba(16,12,5,.5) 70%,rgba(16,12,5,.34) 100%);z-index:1;pointer-events:none}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-eyebrow{font-family:"Cormorant Garamond",var(--serif);font-size:17px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold-light);font-weight:600;margin-bottom:22px;opacity:0;animation:fadeUp .9s .15s forwards}
.hero-title{font-family:var(--serif);font-size:clamp(48px,6.2vw,80px);font-weight:600;line-height:1.1;letter-spacing:.14em;margin-bottom:24px;opacity:0;animation:fadeUp 1s .3s forwards}
.hero-title small{display:block;font-size:.34em;font-weight:500;letter-spacing:.5em;color:var(--gold-light);margin-top:18px}
.hero-desc{font-size:clamp(17px,1.6vw,20px);color:rgba(255,255,255,.9);letter-spacing:.06em;margin-bottom:40px;opacity:0;animation:fadeUp .9s .45s forwards}
.hero-actions{display:flex;gap:18px;opacity:0;animation:fadeUp .9s .6s forwards}
.hero-dots{position:absolute;right:48px;bottom:42px;z-index:3;display:flex;gap:10px}
.hero-dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);transition:.3s;cursor:pointer}
.hero-dots i.on{background:var(--gold-light);width:28px;border-radius:5px}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 六大优势 ---------- */
.why{background:var(--cream)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.why-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:6px;padding:52px 40px 46px;transition:transform .5s cubic-bezier(.2,.7,.2,1),box-shadow .5s,border-color .5s}
.why-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--gold-grad);transition:width .55s cubic-bezier(.2,.7,.2,1)}
.why-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:transparent}
.why-card:hover::before{width:100%}
.why-ico{width:46px;height:46px;color:var(--gold);margin-bottom:30px;transition:transform .5s,color .5s;position:relative;z-index:1}
.why-ico svg{width:46px;height:46px;stroke-width:1.2}
.why-card:hover .why-ico{color:var(--gold-deep);transform:translateY(-3px)}
.why-card h3{position:relative;z-index:1;font-family:var(--serif);font-size:22px;font-weight:600;margin-bottom:14px;letter-spacing:.06em}
.why-card p{position:relative;z-index:1;color:var(--ink-soft);font-size:14.5px;line-height:1.85}
.why-card .num{position:absolute;right:28px;top:22px;z-index:0;font-family:"Cormorant Garamond",serif;font-size:74px;color:#FAF5EA;font-weight:600;line-height:1;transition:color .5s}
.why-card:hover .num{color:var(--gold-wash)}

/* ---------- 产品中心（分类入口） ---------- */
.cats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.cat{position:relative;border-radius:4px;overflow:hidden;background:var(--ivory);box-shadow:var(--shadow-sm);transition:.4s}
.cat-img{aspect-ratio:1/1;overflow:hidden}
.cat-img img{width:100%;height:100%;object-fit:cover;transition:.7s cubic-bezier(.2,0,.2,1)}
.cat:hover{transform:translateY(-8px)}
.cat:hover .cat-img img{transform:scale(1.09)}
.cat-cap{padding:20px 14px;text-align:center}
.cat-cap h4{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.08em}
.cat-cap span{display:block;font-family:"Cormorant Garamond",serif;font-size:12px;letter-spacing:.2em;color:var(--gold);text-transform:uppercase;margin-top:4px}

/* ---------- 精选品类（01-05 bento） ---------- */
.showcase{background:var(--ivory)}
.show-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:226px;gap:22px}
.show-item{position:relative;border-radius:5px;overflow:hidden;background:#000;box-shadow:var(--shadow-sm)}
.show-item img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:.7s cubic-bezier(.2,0,.2,1)}
.show-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(20,15,7,.72) 100%);transition:.4s}
.show-item:hover img{transform:scale(1.07);opacity:1}
.show-cap{position:absolute;left:26px;bottom:24px;z-index:2;color:#fff}
.show-cap .no{font-family:"Cormorant Garamond",serif;font-size:18px;letter-spacing:.2em;color:var(--gold-light);display:block;margin-bottom:4px}
.show-cap h4{font-family:var(--serif);font-size:23px;font-weight:600;letter-spacing:.06em}
.show-item.big{grid-column:span 2;grid-row:span 2}
.show-item.big .show-cap h4{font-size:30px}

/* ---------- 关于博视康 ---------- */
.about{background:var(--cream);overflow:hidden}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:74px;align-items:center}
.about-figure{position:relative}
.about-figure img{width:100%;border-radius:5px;box-shadow:var(--shadow);position:relative;z-index:2}
.about-figure::before{content:"";position:absolute;top:-22px;left:-22px;width:140px;height:140px;border:2px solid var(--gold);border-radius:5px;z-index:1}
.about-figure .badge{position:absolute;right:-18px;bottom:-18px;z-index:3;background:var(--gold);color:#fff;border-radius:5px;padding:20px 26px;text-align:center;box-shadow:var(--shadow)}
.about-figure .badge b{font-family:var(--serif);font-size:40px;font-weight:700;line-height:1;display:block}
.about-figure .badge span{font-size:13px;letter-spacing:.1em}
.about-body .eyebrow{display:none}
.about-body h2{font-family:var(--serif);font-size:clamp(28px,3.2vw,40px);font-weight:600;letter-spacing:.05em;margin-bottom:24px}
.about-body .lead{font-size:17px;color:var(--ink);line-height:1.95;margin-bottom:28px}
.about-mean{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-bottom:36px;background:linear-gradient(180deg,#fff,#fdfbf6)}
.about-mean div{flex:1;padding:28px 14px 24px;text-align:center;border-left:1px solid var(--line);transition:.4s}
.about-mean div:first-child{border-left:none}
.about-mean div:hover{background:var(--gold-wash)}
.about-mean b{font-family:var(--serif);font-size:34px;font-weight:600;color:var(--gold-deep);display:block;line-height:1}
.about-mean i{display:block;width:18px;height:2px;background:var(--gold);margin:13px auto;border-radius:2px;transition:.4s}
.about-mean div:hover i{width:36px}
.about-mean span{font-size:13px;color:var(--ink-soft);letter-spacing:.14em}

/* ---------- 加盟支持（深色区） ---------- */
.support{background:var(--dark);color:#fff;background-image:radial-gradient(ellipse 56% 70% at 82% -4%,rgba(184,134,59,.18),transparent 62%)}
.support .sec-title{color:#fff}
.support .sec-sub{color:rgba(255,255,255,.6)}
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:5px;overflow:hidden}
.sup{background:var(--dark);padding:46px 38px;transition:.4s}
.sup:hover{background:#272118}
.sup-ico{width:54px;height:54px;color:var(--gold-light);margin-bottom:22px}
.sup-ico svg{width:54px;height:54px;stroke-width:1.3}
.sup h3{font-family:var(--serif);font-size:20px;font-weight:600;margin-bottom:12px;letter-spacing:.04em}
.sup p{color:rgba(255,255,255,.62);font-size:14.5px;line-height:1.8}
.support-cta{text-align:center;margin-top:54px}

/* ---------- 产品推荐（横向轮播） ---------- */
.prod-carousel{position:relative}
.pc-viewport{overflow:hidden}
.pc-track{display:flex;gap:26px;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.pc-track .prod{flex:0 0 calc((100% - 78px)/4)}
.prod{border:1px solid var(--line);border-radius:5px;overflow:hidden;background:#fff;transition:box-shadow .4s,transform .4s,border-color .4s}
.prod:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.prod-img{aspect-ratio:4/3;background:#fff;overflow:hidden;padding:18px}
.prod-img img{width:100%;height:100%;object-fit:contain;transition:.6s}
.prod:hover .prod-img img{transform:scale(1.06)}
.prod-body{padding:20px 22px 24px;border-top:1px solid var(--line)}
.prod-body h4{font-size:16px;font-weight:600;letter-spacing:.02em;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prod-body .brand{font-size:13px;color:var(--gold-deep);letter-spacing:.06em}
.pc-btn{position:absolute;top:38%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--gold-deep);cursor:pointer;z-index:5;box-shadow:var(--shadow-sm);transition:.3s;display:flex;align-items:center;justify-content:center}
.pc-btn svg{width:20px;height:20px}
.pc-btn:hover{background:var(--gold);color:#fff;border-color:var(--gold)}
.pc-prev{left:-22px}
.pc-next{right:-22px}
.pc-dots{display:flex;justify-content:center;gap:9px;margin-top:38px}
.pc-dots i{width:9px;height:9px;border-radius:50%;background:var(--line);cursor:pointer;transition:.3s}
.pc-dots i.on{background:var(--gold);width:26px;border-radius:5px}

/* ---------- 新闻资讯 ---------- */
.news{background:var(--cream)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.post{background:#fff;border-radius:5px;overflow:hidden;border:1px solid var(--line);transition:.4s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.post:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.post-img{aspect-ratio:16/11;overflow:hidden;position:relative}
.post-img img{width:100%;height:100%;object-fit:cover;transition:.7s cubic-bezier(.2,0,.2,1)}
.post:hover .post-img img{transform:scale(1.07)}
.post-date{position:absolute;left:18px;top:18px;background:rgba(255,255,255,.94);color:var(--gold-deep);font-family:var(--serif);border-radius:3px;padding:8px 12px;text-align:center;line-height:1.1}
.post-date b{display:block;font-size:20px;font-weight:700}
.post-date span{font-size:11px;letter-spacing:.06em}
.post-body{padding:26px 26px 28px;flex:1;display:flex;flex-direction:column}
.post-body h3{font-family:var(--serif);font-size:18.5px;font-weight:600;line-height:1.5;letter-spacing:.02em;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post:hover .post-body h3{color:var(--gold-deep)}
.post-body .more{margin-top:auto;font-size:13.5px;color:var(--gold-deep);letter-spacing:.08em;display:inline-flex;align-items:center;gap:7px}
.post-body .more svg{width:15px;height:15px;transition:.3s}
.post:hover .more svg{transform:translateX(5px)}
.news-cta{text-align:center;margin-top:56px}

/* ---------- 首页响应式 ---------- */
@media(max-width:1080px){
  .why-grid,.support-grid{grid-template-columns:repeat(2,1fr)}
  .pc-track .prod{flex:0 0 calc((100% - 26px)/2)}
  .cats-grid{grid-template-columns:repeat(3,1fr)}
  .show-grid{grid-template-columns:repeat(2,1fr)}
  .show-item.big{grid-column:span 2;grid-row:span 1}
}
@media(max-width:820px){
  .about-grid{grid-template-columns:1fr;gap:54px}
  .news-grid{grid-template-columns:1fr}
  .hero{min-height:540px}
  .pc-prev{left:6px}
  .pc-next{right:6px}
}
@media(max-width:560px){
  .why-grid,.cats-grid,.support-grid{grid-template-columns:1fr}
  .pc-track .prod{flex:0 0 100%}
  .hero-actions{flex-direction:column}
  .about-mean{flex-wrap:nowrap}
}