/* ========== 维美生物 WEIMEI BIO 静态版样式 ========== */
:root{
  --brand:#1ba99b; --brand-deep:#0f7c71; --brand-soft:#e3f4f2; --brand-ink:#0b3d39;
  --ink:#17322f; --muted:#5b6f6c; --line:#e2ecea; --bg-soft:#f4f9f8;
  --radius:16px;
  --shadow:0 24px 60px rgba(11,61,57,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
::selection{background:var(--brand);color:#fff}

.container-wide{max-width:80rem;margin:0 auto;padding-left:1rem;padding-right:1rem}
@media(min-width:640px){.container-wide{padding-left:1.5rem;padding-right:1.5rem}}
@media(min-width:1024px){.container-wide{padding-left:2.5rem;padding-right:2.5rem}}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:.7rem}
.logo-mark{width:34px;height:34px;color:var(--brand);flex:none}
.logo-img{height:38px;width:auto;flex:none}
.site-footer .logo-img{background:rgba(255,255,255,.16);border-radius:10px;padding:4px 8px}
.logo-text{line-height:1.15}
.logo-text b{font-size:1.25rem;letter-spacing:.12em;color:var(--brand-ink)}
.logo-text span{display:block;font-size:.62rem;letter-spacing:.42em;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:2rem}
.main-nav a{font-size:.95rem;color:var(--ink);position:relative;padding:.4rem 0;transition:color .25s}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:width .3s}
.main-nav a:hover,.main-nav a.active{color:var(--brand-deep)}
.main-nav a.active::after,.main-nav a:hover::after{width:100%}
.head-phone{display:flex;align-items:center;gap:.45rem;font-weight:600;color:var(--brand-deep);font-size:1.02rem}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:0;cursor:pointer;color:var(--brand-ink)}
.menu-btn svg{width:26px;height:26px}
.mobile-nav{display:none;flex-direction:column;border-top:1px solid var(--line);background:#fff}
.mobile-nav a{padding:1rem 1.25rem;border-bottom:1px solid var(--line);font-size:1.05rem}
.mobile-nav a.active{color:var(--brand-deep);font-weight:600}
.mobile-nav.open{display:flex}
@media(max-width:1023px){
  .main-nav,.head-phone{display:none}
  .menu-btn{display:flex}
}

/* ---------- 英雄区 ---------- */
.hero{position:relative;height:560px;overflow:hidden;background:var(--brand-ink)}
@media(min-width:640px){.hero{height:620px}}
@media(min-width:1024px){.hero{height:86vh;min-height:620px}}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.1s ease;animation:heroZoom 8s ease-out forwards}
.hero-slide.on{opacity:1}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,46,43,.82) 0%,rgba(7,46,43,.45) 55%,rgba(7,46,43,.15) 100%)}
.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}
.hero-tag{display:inline-flex;align-items:center;gap:.6rem;border-left:3px solid var(--brand);padding:.35rem .9rem;background:rgba(255,255,255,.12);backdrop-filter:blur(4px);font-size:.9rem;letter-spacing:.28em;width:max-content;max-width:100%}
.hero h1{font-size:3rem;line-height:1.15;font-weight:800;margin-top:1.4rem;text-shadow:0 4px 24px rgba(0,0,0,.35)}
@media(min-width:640px){.hero h1{font-size:3.75rem}}
@media(min-width:1024px){.hero h1{font-size:4.5rem}}
.hero-sub{margin-top:1.1rem;font-size:1.5rem;color:#d9f1ee;font-weight:300;letter-spacing:.06em}
@media(min-width:1024px){.hero-sub{font-size:2.25rem}}
.hero-desc{margin-top:1rem;color:rgba(255,255,255,.85);letter-spacing:.35em;font-size:.95rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.2rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:48px;padding:0 1.9rem;border-radius:999px;font-size:1rem;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:all .3s}
.btn svg{width:18px;height:18px;transition:transform .3s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 10px 28px rgba(27,169,155,.4)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-outline{border-color:var(--brand);color:var(--brand-deep);background:#fff}
.btn-outline:hover{background:var(--brand-soft)}
.hero-nav{position:absolute;z-index:3;right:2.5rem;bottom:2.4rem;display:flex;gap:.7rem}
.hero-nav button{width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(255,255,255,.4);background:rgba(255,255,255,.1);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s}
.hero-nav button:hover{background:var(--brand);border-color:var(--brand)}
.hero-dots{position:absolute;z-index:3;left:50%;transform:translateX(-50%);bottom:2rem;display:flex;gap:.55rem}
.hero-dots i{width:26px;height:3px;border-radius:2px;background:rgba(255,255,255,.35);transition:all .4s;cursor:pointer}
.hero-dots i.on{background:#fff;width:40px}

/* ---------- 绿色服务带 ---------- */
.band{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#fff;padding:3.5rem 0}
@media(min-width:1024px){.band{padding:5rem 0}}
.band-head .en{font-size:.72rem;letter-spacing:.5em;opacity:.75}
.band-head h2{font-size:2rem;font-weight:800;margin-top:.7rem}
.band-head .line{width:52px;height:3px;background:rgba(255,255,255,.6);margin-top:1.1rem}
.band-head p{margin-top:1.1rem;color:rgba(255,255,255,.88);max-width:34rem}
.band-grid{display:grid;gap:2.2rem;margin-top:2.8rem}
@media(min-width:768px){.band-grid{grid-template-columns:repeat(2,1fr)}.band-head{grid-column:1/-1}}
@media(min-width:1024px){.band-grid{grid-template-columns:1.1fr 1fr 1fr;grid-template-rows:auto auto;gap:2.4rem;margin-top:0}.band-head{grid-column:1;grid-row:1/3}}
.band-item{display:flex;gap:1rem;align-items:flex-start}
.band-item .circ{flex:none;width:72px;height:72px;border-radius:50%;border:1.5px solid rgba(255,255,255,.55);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;text-align:center;line-height:1.3;background:rgba(255,255,255,.08)}
.band-item h3{font-size:1.1rem;font-weight:700;margin-bottom:.3rem}
.band-item p{font-size:.9rem;color:rgba(255,255,255,.85);white-space:pre-line}
@media(min-width:1024px){.band-grid{position:relative;top:1.2rem}}

/* ---------- 数据带 ---------- */
.stats{background:#fff;padding:4rem 0 4.5rem}
@media(min-width:1024px){.stats{padding:5.5rem 0}}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2.6rem 1rem;text-align:center}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat .num{font-size:2.7rem;font-weight:800;color:var(--brand-deep);letter-spacing:.02em}
@media(min-width:1024px){.stat .num{font-size:3.3rem}}
.stat .lab{font-size:1.08rem;font-weight:700;margin-top:.4rem;color:var(--ink)}
.stat .note{font-size:.85rem;color:var(--muted);margin-top:.2rem}

/* ---------- 区块通用 ---------- */
.section{padding:5rem 0}
@media(min-width:1024px){.section{padding:7rem 0}}
.section.alt{background:var(--bg-soft)}
.sec-head{text-align:center;margin-bottom:3rem}
.sec-head .en{font-size:.72rem;letter-spacing:.5em;color:var(--muted)}
.sec-head h2{font-size:1.9rem;font-weight:800;color:var(--brand-ink);margin-top:.8rem}
@media(min-width:768px){.sec-head h2{font-size:2.4rem}}
@media(min-width:1024px){.sec-head h2{font-size:2.75rem}}
.sec-head .divider{display:flex;align-items:center;justify-content:center;gap:.7rem;margin-top:1.2rem}
.sec-head .divider i{width:56px;height:1px;background:#cfe0dd}
.sec-head .divider b{width:8px;height:8px;transform:rotate(45deg);background:var(--brand)}

/* ---------- 关于 ---------- */
.about-grid{display:grid;gap:3rem;align-items:center}
@media(min-width:1024px){.about-grid{grid-template-columns:1fr 1.1fr;gap:5rem}}
.about-img{position:relative}
.about-img::before{content:"";position:absolute;left:-16px;top:-16px;width:100%;height:100%;border:2px solid var(--brand-soft);border-radius:var(--radius)}
.about-img img{position:relative;border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover}
.about-txt .en{font-size:.72rem;letter-spacing:.5em;color:var(--muted)}
.about-txt h2{font-size:1.9rem;font-weight:800;color:var(--brand-ink);margin-top:.8rem;line-height:1.3}
@media(min-width:1024px){.about-txt h2{font-size:2.4rem}}
.about-txt .u{width:52px;height:3px;background:var(--brand);margin:1.3rem 0}
.about-txt p{color:var(--muted);margin-bottom:1.1rem}
.about-btns{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.6rem}

/* ---------- 产品卡片 ---------- */
.card-grid{display:grid;gap:2rem}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:2.2rem}}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .4s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.p-card .pic{overflow:hidden;aspect-ratio:4/3;background:var(--brand-soft)}
.p-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,1,.36,1)}
.p-card:hover .pic img{transform:scale(1.06)}
.p-card .body{padding:1.5rem 1.6rem 1.7rem}
.badge{display:inline-block;padding:.2rem .8rem;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:.78rem;font-weight:600;letter-spacing:.08em}
.p-card h3{font-size:1.2rem;font-weight:700;margin-top:.8rem;color:var(--brand-ink)}
.p-card .desc{font-size:.92rem;color:var(--muted);margin-top:.55rem;flex:1}
.p-card .more{display:inline-flex;align-items:center;gap:.35rem;margin-top:1.1rem;color:var(--brand-deep);font-weight:600;font-size:.92rem}
.p-card .more svg{width:15px;height:15px;transition:transform .3s}
.p-card:hover .more svg{transform:translateX(4px)}
.center{text-align:center;margin-top:3rem}

/* ---------- 新闻卡片 ---------- */
.n-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;display:flex;gap:1.4rem;transition:all .4s}
.n-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.n-date{flex:none;width:76px;height:86px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);display:flex;flex-direction:column;align-items:center;justify-content:center}
.n-date b{font-size:1.55rem;font-weight:800;line-height:1}
.n-date span{font-size:.75rem;margin-top:.25rem;letter-spacing:.1em}
.n-card h3{font-size:1.08rem;font-weight:700;line-height:1.5;color:var(--brand-ink)}
.n-card p{font-size:.88rem;color:var(--muted);margin-top:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA ---------- */
.cta{position:relative;background-size:cover;background-position:center;padding:6rem 0;color:#fff;text-align:center;background-attachment:scroll}
@media(min-width:1024px){.cta{padding:8rem 0;background-attachment:fixed}}
.cta::before{content:"";position:absolute;inset:0;background:rgba(11,61,57,.75)}
.cta .inner{position:relative;z-index:1}
.cta h2{font-size:1.9rem;font-weight:800;line-height:1.4}
@media(min-width:768px){.cta h2{font-size:2.4rem}}
@media(min-width:1024px){.cta h2{font-size:3rem}}
.cta p{margin:1.3rem auto 0;max-width:40rem;color:rgba(255,255,255,.88)}
.cta .btn{margin-top:2.2rem}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.82);padding:4rem 0 0}
.foot-grid{display:grid;gap:3rem}
@media(min-width:768px){.foot-grid{grid-template-columns:1.3fr 1fr 1.2fr}}
.foot-brand p{font-size:.9rem;margin-top:1.2rem;max-width:26rem;color:rgba(255,255,255,.65)}
.foot-col h4{color:#fff;font-size:1.05rem;margin-bottom:1.2rem}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:.6rem 1.5rem}
.foot-links a{font-size:.92rem;color:rgba(255,255,255,.72);transition:color .25s}
.foot-links a:hover{color:#fff}
.foot-contact li{display:flex;gap:.6rem;font-size:.9rem;margin-bottom:.8rem;color:rgba(255,255,255,.72)}
.foot-contact svg{flex:none;width:17px;height:17px;color:var(--brand);margin-top:.25rem}
.foot-bottom{margin-top:3.2rem;border-top:1px solid rgba(255,255,255,.14);padding:1.4rem 0;display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;font-size:.8rem;color:rgba(255,255,255,.5)}
.foot-bottom a{color:rgba(255,255,255,.6)}
.foot-bottom a:hover{color:#fff}

/* ---------- 页头横幅（内页） ---------- */
.page-banner{position:relative;height:224px;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
@media(min-width:640px){.page-banner{height:288px}}
@media(min-width:1024px){.page-banner{height:352px}}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,61,57,.65),rgba(11,61,57,.78))}
.page-banner .inner{position:relative;z-index:1;animation:heroZoom 7s ease-out forwards}
.page-banner .en{font-size:.72rem;letter-spacing:.5em;opacity:.85}
.page-banner h1{font-size:2.5rem;font-weight:800;margin-top:.7rem;text-shadow:0 4px 20px rgba(0,0,0,.3)}
@media(min-width:768px){.page-banner h1{font-size:3rem}}
@media(min-width:1024px){.page-banner h1{font-size:3.75rem}}

/* ---------- 正文排版 ---------- */
.lead{font-size:1.1rem;line-height:2;color:var(--muted);max-width:52rem}
@media(min-width:1024px){.lead{font-size:1.25rem}}
.prose p{margin-bottom:1.2rem;color:var(--muted);line-height:2}
.prose h3{color:var(--brand-ink);font-size:1.3rem;margin:2rem 0 .9rem}
.two-col{display:grid;gap:2.6rem;align-items:center}
@media(min-width:1024px){.two-col{grid-template-columns:1fr 1fr;gap:4.5rem}}
.round-img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;object-fit:cover}
.icon-circ{width:56px;height:56px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem}
.icon-circ svg{width:26px;height:26px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;gap:1.6rem;list-style:none;margin:0}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem 1.9rem 1.9rem;transition:all .35s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step .no{position:absolute;top:1.2rem;right:1.5rem;font-size:2.6rem;font-weight:800;color:var(--brand-soft);line-height:1}
.step h3{font-size:1.12rem;font-weight:700;color:var(--brand-ink);margin-bottom:.5rem}
.step p{font-size:.9rem;color:var(--muted)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;gap:2.4rem}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1.15fr;gap:4rem}}
.c-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.c-item{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px dashed var(--line)}
.c-item:last-child{border-bottom:0}
.c-item .icon-circ{width:48px;height:48px;margin:0;flex:none}
.c-item .icon-circ svg{width:22px;height:22px}
.c-item h4{font-size:.85rem;color:var(--muted);font-weight:500}
.c-item p{font-size:1.02rem;font-weight:600;color:var(--brand-ink);margin-top:.15rem}
.form{display:grid;gap:1.1rem}
.form label{font-size:.9rem;font-weight:600;color:var(--brand-ink)}
.form input,.form textarea{width:100%;margin-top:.4rem;border:1.5px solid var(--line);border-radius:12px;padding:.85rem 1.05rem;font-size:1rem;font-family:inherit;color:var(--ink);background:#fbfdfd;transition:border-color .25s;outline:none}
.form input:focus,.form textarea:focus{border-color:var(--brand)}
.form textarea{min-height:130px;resize:vertical}
.form .hint{font-size:.8rem;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:2rem;transform:translate(-50%,20px);background:var(--brand-ink);color:#fff;padding:.95rem 1.6rem;border-radius:12px;font-size:.95rem;opacity:0;pointer-events:none;transition:all .4s;z-index:100;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 详情页 ---------- */
.detail-grid{display:grid;gap:3rem}
@media(min-width:1024px){.detail-grid{grid-template-columns:1fr 1.1fr;gap:5rem}}
.detail-img{border-radius:var(--radius);box-shadow:var(--shadow)}
.spec-box{margin-top:1.6rem;background:var(--brand-soft);border-radius:12px;padding:1.1rem 1.4rem;font-size:.95rem;color:var(--brand-deep)}
.spec-box b{margin-right:.6rem}
.back-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--brand-deep);font-weight:600;margin-bottom:2rem}
.back-link svg{width:16px;height:16px}
.back-link:hover{color:var(--brand)}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-slide{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:1.4rem;bottom:1.4rem;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--brand-deep);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(11,61,57,.15);opacity:0;pointer-events:none;transition:all .35s;z-index:50}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.to-top svg{width:20px;height:20px}

/* ---------- 1CMS 分页 ---------- */
.pglist{display:flex;flex-wrap:wrap;gap:.55rem;justify-content:center;margin-top:3rem}
.pglist a{min-width:44px;height:44px;padding:0 .8rem;display:inline-flex;align-items:center;justify-content:center;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-size:.95rem;font-weight:600;transition:all .25s}
.pglist a:hover{border-color:var(--brand);color:var(--brand-deep)}
.pglist a.now{background:var(--brand);border-color:var(--brand);color:#fff}
.pglist a.disabled{opacity:.45;pointer-events:none}
/* ---------- 1CMS 详情页正文 ---------- */
.article-body{max-width:52rem;margin:0 auto}
.article-body .prose{font-size:1.02rem}