/* xlvk.com — 湖南玖辰智联 | 医疗蓝白风 */
:root{
  --blue:#1677A6; --blue-d:#0E5A78; --green:#6CBE45;
  --ink:#22313F; --sub:#5B6B7A; --line:#E4EBF1; --bg:#F5F8FA;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.7}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-weight:700;line-height:1.35}

/* header */
.hd{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:14px;flex:none}
.logo img{height:44px;width:auto}
.lg-div{width:1px;height:38px;background:var(--line);flex:none}
.lg-t b{display:block;font-size:16.5px;color:var(--blue-d);letter-spacing:.5px;line-height:1.4}
.lg-t i{display:block;font-style:normal;font-size:12px;color:var(--sub);letter-spacing:1px}
.nv{display:flex;gap:4px;margin-left:26px;flex:1;justify-content:space-evenly}
.nv a{padding:8px 16px;font-size:15.5px;color:var(--ink);border-radius:6px}
.nv a:hover{color:var(--blue)}
.nv a.on{color:var(--blue);font-weight:600;background:#EAF4F9}
.hd-tel{text-align:right;flex:none;margin-left:auto;padding-left:22px;border-left:1px solid var(--line)}
.hd-tel span{display:block;font-size:12px;color:var(--sub)}
.hd-tel b{font-size:20px;color:var(--blue);letter-spacing:.5px}

/* hero */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:#0b3c54}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(8,42,64,.82) 0%,rgba(8,42,64,.52) 45%,rgba(8,42,64,.10) 80%)}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center 45%;opacity:0;transition:opacity 1s ease}
.hero-slide.on{opacity:1}
.hero-ar{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:46px;height:46px;padding:0 0 4px;border:1px solid rgba(255,255,255,.38);border-radius:50%;background:rgba(8,42,64,.38);color:#fff;font-size:28px;line-height:1;cursor:pointer;transition:.25s;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);box-shadow:0 3px 14px rgba(0,0,0,.18)}
.hero-ar:hover{background:rgba(8,42,64,.62);border-color:#fff}
.hero-ar.pv{left:20px}
.hero-ar.nx{right:20px}
.hero-dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:4;display:flex;gap:10px}
.hero-dots i{display:block;width:9px;height:9px;border-radius:5px;background:rgba(255,255,255,.5);cursor:pointer;transition:.3s}
.hero-dots i.on{width:28px;background:#fff}
.hero-t{position:relative;z-index:2;color:#fff}
.hero-t h1{font-size:42px;text-shadow:0 2px 14px rgba(10,40,60,.45);margin-bottom:14px}
.hero-t p{font-size:18px;text-shadow:0 1px 10px rgba(10,40,60,.5);margin-bottom:26px}
.hero-b{display:flex;gap:14px}
.btn{display:inline-block;padding:12px 30px;border-radius:6px;font-size:16px;font-weight:600}
.btn.p{background:var(--blue);color:#fff}
.btn.p:hover{background:var(--blue-d)}
.btn.o{background:rgba(255,255,255,.92);color:var(--blue-d)}
.btn.o:hover{background:#fff}
.btn.w{background:#fff;color:var(--blue-d)}

/* sections */
.sec{padding:64px 0}
.sec.gray{background:var(--bg)}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.sec-h h2{font-size:28px;color:var(--blue-d)}
.sec-h h2::after{content:"";display:block;width:46px;height:4px;background:var(--green);border-radius:2px;margin-top:10px}
.sec-h p{color:var(--sub);font-size:15px}
.sec-h.l{justify-content:flex-start;margin-bottom:16px}

/* product cards */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid{display:grid;gap:22px}
.pc{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.pc:hover{box-shadow:0 10px 26px rgba(20,80,110,.12);transform:translateY(-3px);transition:.25s}
.pc-img{aspect-ratio:16/9;overflow:hidden;background:#F7FBFD;flex:none;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.pc-img img{width:100%;height:100%;object-fit:contain}
.pc-b{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.pc-b em{font-style:normal;font-size:12px;color:var(--green);font-weight:600}
.pc-b h3{font-size:17px;margin:6px 0 8px;color:var(--ink)}
.pc-b p{font-size:13.5px;color:var(--sub);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-b span{margin-top:12px;font-size:13.5px;color:var(--blue);font-weight:600}
.pc:hover span{color:var(--blue-d)}

/* category strip: 6 columns x 2 rows, aligned */
.cat-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:20px 16px}
.cat-strip a{display:flex;flex-direction:column;align-items:center}
.cat-strip img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;margin-bottom:9px}
.cat-strip span{font-size:13.5px;color:var(--ink);line-height:1.4;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.cat-strip a:hover span{color:var(--blue)}
.cat-more{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg);border:1px dashed #C9D8E3;border-radius:10px;min-height:100%;padding:14px 10px}
.cat-more b{font-size:15px;color:var(--blue);line-height:1.5}
.cat-more i{font-style:normal;font-size:12.5px;color:var(--sub)}

/* about */
.about-flex{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.af-imgs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.af-imgs img{border-radius:12px;width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.af-imgs.wide{grid-template-columns:1fr}
.af-imgs.wide img{aspect-ratio:21/8}
.af-t p{margin-bottom:12px;color:#3B4C5C;font-size:15.5px}
.af-t h2{font-size:26px;color:var(--blue-d);margin-bottom:14px}
.af-n{display:flex;gap:40px;margin:20px 0 24px}
.af-n b{font-size:36px;color:var(--blue)}
.af-n span{display:block;font-size:13.5px;color:var(--sub)}

/* why */
.why .why-c{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 24px}
.why-c b{font-size:18px;color:var(--blue-d);display:block;margin-bottom:8px}
.why-c p{font-size:14px;color:var(--sub)}

/* page banner */
.pb{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--blue-d),var(--blue));color:#fff;padding:64px 0}
.pb::before{content:"";position:absolute;inset:0;background:var(--pbi) center/cover no-repeat;background-position:center 45%}
.pb::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,60,84,.93) 0%,rgba(11,74,102,.80) 42%,rgba(22,119,166,.42) 100%)}
.pb>.wrap{position:relative;z-index:2}
.pb h1{font-size:32px;margin-bottom:6px}
.pb p{opacity:.92;font-size:15px}

/* cat nav */
.cat-nav{display:flex;flex-wrap:wrap;gap:10px;padding:22px 20px}
.cat-nav a{padding:7px 16px;border:1px solid var(--line);border-radius:20px;font-size:14px;background:#fff}
.cat-nav a:hover{border-color:var(--blue);color:var(--blue)}

/* breadcrumb */
.crumb{background:var(--bg);padding:14px 0;font-size:14px;color:var(--sub)}
.crumb a:hover{color:var(--blue)}

/* product detail */
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.pd-img{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#F7FBFD;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.pd-img img{width:100%;height:100%;object-fit:contain}
.pd-t em{font-style:normal;color:var(--green);font-weight:600;font-size:14px}
.pd-t h1{font-size:28px;color:var(--ink);margin:8px 0 16px}
.pd-i{color:var(--sub);font-size:15.5px;margin-bottom:24px}
.pd-c{background:#EAF4F9;border-radius:10px;padding:18px 22px}
.pd-c b{display:block;font-size:22px;color:var(--blue-d)}
.pd-c span{font-size:13.5px;color:var(--sub)}
.pd-cnt p{margin-bottom:12px;font-size:15.5px;color:#3B4C5C}

/* solutions */
.sol{display:grid;grid-template-columns:0.95fr 1.15fr;gap:44px;align-items:start;padding:8px 0}
.sol+.sol{border-top:1px solid var(--line);margin-top:10px;padding-top:48px}
.sol-imgs{display:grid;gap:12px;position:sticky;top:96px}
.sol-imgs img{border-radius:12px;width:100%;object-fit:cover;aspect-ratio:16/9;background:#eef4f8}
.sol-imgs img:not(.big){aspect-ratio:16/7}
.sol-t h2{font-size:25px;color:var(--blue-d);margin-bottom:10px}
.sol-t .lead{color:#3B4C5C;font-size:15.5px;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:18px}
.ss{margin-bottom:16px}
.ss h4{font-size:15.5px;color:var(--blue);margin-bottom:5px;padding-left:12px;position:relative}
.ss h4::before{content:"";position:absolute;left:0;top:7px;width:4px;height:14px;background:var(--green);border-radius:2px}
.ss p{font-size:14.5px;color:#46596A;padding-left:12px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{padding:6px 14px;background:#EAF4F9;color:var(--blue-d);border-radius:18px;font-size:13.5px}
.tag:hover{background:var(--blue);color:#fff}

/* steps */
.steps .step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 22px;position:relative}
.steps .step b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-size:15px;margin-bottom:12px}
.steps .step h3{font-size:16.5px;margin-bottom:6px;color:var(--ink)}
.steps .step p{font-size:13.5px;color:var(--sub)}

/* contact */
.ct-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ct-flex{display:grid;grid-template-columns:1.25fr 0.75fr;gap:32px;align-items:start}
.ct-grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ct-img img{border-radius:12px;width:100%;height:100%;object-fit:cover}
.ct-c{background:var(--bg);border-radius:12px;padding:28px 24px;text-align:left}
.ct-c b{display:block;font-size:22px;color:var(--blue-d);margin-bottom:4px}
.ct-c span{display:block;font-size:13.5px;color:var(--green);font-weight:600;margin-bottom:10px}
.ct-c p{font-size:13.5px;color:var(--sub);line-height:1.65}

/* cta */
.cta{background:linear-gradient(120deg,var(--blue),var(--blue-d));color:#fff;padding:52px 0}
.cta-in{text-align:center}
.cta h2{font-size:26px;margin-bottom:8px}
.cta p{opacity:.92;margin-bottom:22px}
.cta p b{font-size:24px;letter-spacing:1px}

/* footer */
.ft{background:#12283A;color:#B9C8D4;padding:48px 0 0;font-size:14px}
.ft-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:32px}
.ft h4{color:#fff;font-size:16px;margin-bottom:12px}
.ft a{color:#B9C8D4;margin-right:10px}
.ft a:hover{color:#fff}
.ft-b{border-top:1px solid rgba(255,255,255,.12);padding:16px 20px;text-align:center;font-size:13px;color:#7E92A3}

/* responsive */
@media (max-width:960px){
  .grid4,.grid{grid-template-columns:repeat(2,1fr)!important}
  .cat-strip{grid-template-columns:repeat(3,1fr)}
  .about-flex,.pd,.sol,.ct-flex{grid-template-columns:1fr}
  .af-imgs{grid-template-columns:1fr 1fr}
  .sol-imgs{position:static}
  .ct-grid,.ct-grid2{grid-template-columns:1fr 1fr}
  .ft-in{grid-template-columns:1fr;gap:22px}
  .hd-tel{display:none}
  .hd-in{flex-wrap:wrap;height:auto;padding:10px 0;gap:8px 16px}
  .nv{width:100%;order:3;margin-left:0;justify-content:center;flex-wrap:wrap;gap:2px}
  .nv a{padding:7px 12px;font-size:14px;white-space:nowrap}
  .hero-t h1{font-size:28px}
  .sec{padding:44px 0}
  .lg-t i{display:none}
}
@media (max-width:560px){
  .grid4,.grid{grid-template-columns:1fr!important}
  .cat-strip{grid-template-columns:repeat(3,1fr);gap:16px 10px}
  .ct-grid,.ct-grid2{grid-template-columns:1fr}
  .af-imgs{grid-template-columns:1fr}
  .af-n{gap:20px}
  .logo img{height:34px}
  .lg-div,.lg-t{display:none}
  .hero{min-height:0;padding:52px 0 56px}
  .hero-ar{width:34px;height:34px;font-size:20px;padding-bottom:2px}
  .hero-ar.pv{left:8px}
  .hero-ar.nx{right:8px}
  .hero-dots{bottom:14px;gap:7px}
  .hero-dots i{width:7px;height:7px}
  .hero-dots i.on{width:20px}
  .hero-t h1{font-size:23px}
  .hero-t p{font-size:14px;margin-bottom:20px;line-height:1.6}
  .hero-b{flex-direction:column;align-items:stretch;gap:10px;max-width:280px}
  .hero-b .btn{text-align:center;padding:11px 18px;font-size:15px}
  .sec-h h2{font-size:23px}
  .pb h1{font-size:26px}
  .pd-t h1{font-size:22px}
  .sol-t h2{font-size:21px}
  .af-t h2{font-size:21px}
}