/* 明超家纺 MINGCHAO HOME TEXTILE — 科技冷色调设计系统 */
:root{
  --ink:#0A1A2F; --navy:#0C2440; --navy-2:#123055;
  --blue:#1E6FE0; --blue-d:#1552AD; --cyan:#22C7DE; --cyan-d:#0FA6C0;
  --slate:#5C7285; --slate-2:#7E93A6;
  --mist:#EEF4FA; --mist-2:#E1EBF5; --line:#D7E3EF; --white:#fff;
  --grad:linear-gradient(120deg,#1E6FE0 0%,#22C7DE 100%);
  --shadow:0 18px 50px -22px rgba(12,36,64,.35);
  --shadow-s:0 10px 30px -18px rgba(12,36,64,.3);
  --r:14px; --maxw:1200px;
  --ff:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--ink);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased;font-weight:350;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(100% - 48px,var(--maxw));margin-inline:auto}
.en{font-size:12px;letter-spacing:.42em;text-transform:uppercase;color:var(--cyan-d);font-weight:600}

/* ============ Header ============ */
.hd{position:fixed;inset:0 0 auto 0;z-index:100;transition:.4s;padding:22px 0}
.hd .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;color:#fff;transition:.4s}
.brand .mk{width:34px;height:34px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-weight:700;color:#fff;font-size:16px;letter-spacing:.5px}
.brand b{font-size:19px;font-weight:600;letter-spacing:.14em}
.brand small{display:block;font-size:9px;letter-spacing:.34em;opacity:.72;font-weight:400;margin-top:1px}
.nav{display:flex;gap:34px;align-items:center}
.nav a{color:rgba(255,255,255,.9);font-size:15px;letter-spacing:.08em;position:relative;padding:6px 0;transition:.25s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--cyan);transition:.3s}
.nav a:hover,.nav a.on{color:#fff}
.nav a:hover::after,.nav a.on::after{width:100%}
.burger{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.4);border-radius:10px;background:transparent;color:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger i{display:block;width:18px;height:2px;background:currentColor;transition:.3s}
.hd.solid{background:rgba(10,26,47,.94);backdrop-filter:blur(12px);padding:14px 0;box-shadow:0 6px 24px -14px rgba(0,0,0,.5)}
.hd.solid .brand{color:#fff}
.nav-flag{display:none}

/* ============ Hero ============ */
.hero{position:relative;min-height:100vh;display:grid;place-items:center;text-align:center;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,26,47,.72),rgba(10,26,47,.5) 40%,rgba(10,26,47,.85))}
.hero .in{position:relative;z-index:2;padding:120px 24px}
.hero h1{font-size:clamp(38px,6.4vw,74px);font-weight:300;letter-spacing:.2em;margin:22px 0 6px}
.hero .sub{font-size:clamp(15px,1.7vw,19px);letter-spacing:.34em;color:rgba(255,255,255,.82);font-weight:300}
.hero .lead{max-width:620px;margin:26px auto 0;color:rgba(255,255,255,.72);font-weight:300;letter-spacing:.04em}
.btns{display:flex;gap:16px;justify-content:center;margin-top:38px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 34px;border-radius:40px;font-size:14px;letter-spacing:.18em;transition:.3s;border:1px solid transparent;cursor:pointer}
.btn.p{background:var(--grad);color:#fff;box-shadow:0 14px 34px -14px rgba(34,199,222,.7)}
.btn.p:hover{transform:translateY(-3px);box-shadow:0 22px 44px -16px rgba(34,199,222,.8)}
.btn.g{border-color:rgba(255,255,255,.5);color:#fff}
.btn.g:hover{background:#fff;color:var(--navy);border-color:#fff}
.scrolldot{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.6);animation:fl 2.4s infinite}
@keyframes fl{0%,100%{transform:translate(-50%,0);opacity:.5}50%{transform:translate(-50%,8px);opacity:1}}

/* ============ Page hero (inner) ============ */
.phero{position:relative;height:52vh;min-height:380px;display:grid;place-items:center;text-align:center;color:#fff}
.phero .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,26,47,.78),rgba(12,36,64,.62))}
.phero .in{position:relative;z-index:2}
.phero h1{font-size:clamp(30px,4.4vw,50px);font-weight:300;letter-spacing:.24em;margin-top:14px}
.crumb{position:relative;z-index:2;margin-top:18px;font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.68)}
.crumb a:hover{color:var(--cyan)}

/* ============ Section ============ */
section{padding:104px 0}
.shead{text-align:center;max-width:760px;margin:0 auto 64px}
.shead h2{font-size:clamp(26px,3.2vw,40px);font-weight:350;letter-spacing:.14em;margin:14px 0 16px}
.shead p{color:var(--slate)}
.shead .bar{width:44px;height:2px;background:var(--grad);margin:18px auto 0}
.mist{background:var(--mist)}
.dark{background:var(--navy);color:#fff}
.dark .shead h2{color:#fff}.dark .shead p{color:rgba(255,255,255,.66)}
.dark .en{color:var(--cyan)}

/* ============ Stats ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:34px 18px;border-radius:var(--r);background:#fff;box-shadow:var(--shadow-s);border:1px solid var(--line)}
.stat b{font-size:clamp(34px,4.4vw,52px);font-weight:300;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:.02em}
.stat span{display:block;color:var(--slate);letter-spacing:.14em;font-size:14px;margin-top:6px}

/* ============ Cards ============ */
.grid{display:grid;gap:24px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px 30px;transition:.35s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--grad);transition:.4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{width:100%}
.ico{width:52px;height:52px;border-radius:12px;background:var(--mist);display:grid;place-items:center;margin-bottom:20px;color:var(--blue);transition:.35s}
.card:hover .ico{background:var(--grad);color:#fff}
.card h3{font-size:19px;font-weight:500;letter-spacing:.06em;margin-bottom:10px}
.card p{color:var(--slate);font-size:14.5px}

/* product card */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.35s}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pcard .ph{aspect-ratio:4/3;overflow:hidden;background:var(--mist)}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:.7s}
.pcard:hover .ph img{transform:scale(1.07)}
.pcard .pb{padding:24px 24px 28px}
.pcard .pb .tag{font-size:11px;letter-spacing:.2em;color:var(--cyan-d);font-weight:600}
.pcard h3{font-size:18px;font-weight:500;letter-spacing:.06em;margin:8px 0 8px}
.pcard p{color:var(--slate);font-size:13.5px;min-height:42px}

/* filter */
.tabs{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.tab{padding:10px 24px;border:1px solid var(--line);border-radius:40px;background:#fff;color:var(--slate);cursor:pointer;font-size:14px;letter-spacing:.1em;transition:.3s;font-family:var(--ff)}
.tab:hover{border-color:var(--cyan);color:var(--blue)}
.tab.on{background:var(--grad);color:#fff;border-color:transparent}
.hide{display:none}

/* ============ Split ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.split .im{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.split .im img{width:100%;height:520px;object-fit:cover}
.split h2{font-size:clamp(24px,3vw,36px);font-weight:350;letter-spacing:.12em;margin:14px 0 20px}
.split p{color:var(--slate);margin-bottom:16px}
.mini{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.mini div{padding:18px 20px;background:var(--mist);border-radius:12px}
.mini b{display:block;font-size:24px;font-weight:400;color:var(--blue)}
.mini span{font-size:13px;color:var(--slate);letter-spacing:.08em}
.dark .mini div{background:rgba(255,255,255,.07)}

/* ============ Timeline ============ */
.tl{position:relative;padding-left:34px;max-width:820px;margin:0 auto}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl .it{position:relative;padding:0 0 40px 26px}
.tl .it::before{content:"";position:absolute;left:-33px;top:7px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--cyan)}
.tl .yr{font-size:20px;font-weight:500;color:var(--blue);letter-spacing:.06em}
.tl h4{font-size:16px;font-weight:500;margin:4px 0 6px;letter-spacing:.06em}
.tl p{color:var(--slate);font-size:14.5px}

/* ============ News ============ */
.nlist{display:grid;gap:22px}
.nitem{display:grid;grid-template-columns:200px 1fr;gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.35s;align-items:center}
.nitem:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.nitem .ni{height:150px;overflow:hidden}
.nitem .ni img{width:100%;height:100%;object-fit:cover;transition:.6s}
.nitem:hover .ni img{transform:scale(1.06)}
.nitem .nc{padding:22px 28px 22px 0}
.nitem .dt{font-size:12px;letter-spacing:.2em;color:var(--cyan-d);font-weight:600}
.nitem h3{font-size:19px;font-weight:500;margin:8px 0 8px;letter-spacing:.04em}
.nitem p{color:var(--slate);font-size:14px}
.feat{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);margin-bottom:44px;background:#fff}
.feat .fi{min-height:360px}
.feat .fi img{width:100%;height:100%;object-fit:cover}
.feat .fc{padding:52px 48px;display:flex;flex-direction:column;justify-content:center}
.feat .fc h3{font-size:26px;font-weight:400;letter-spacing:.06em;margin:14px 0 16px}
.feat .fc p{color:var(--slate)}
.more{display:inline-flex;align-items:center;gap:8px;color:var(--blue);letter-spacing:.14em;font-size:13px;margin-top:22px;transition:.3s}
.more:hover{gap:14px;color:var(--cyan-d)}

/* ============ Contact / form ============ */
.iform{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:44px;box-shadow:var(--shadow-s)}
.fld{margin-bottom:20px}
.fld label{display:block;font-size:13px;letter-spacing:.14em;color:var(--slate);margin-bottom:8px}
.fld input,.fld textarea,.fld select{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:10px;font-family:var(--ff);font-size:15px;color:var(--ink);background:var(--mist);transition:.25s;outline:none}
.fld input:focus,.fld textarea:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 3px rgba(34,199,222,.14)}
.fld textarea{min-height:130px;resize:vertical}
.cinfo{display:grid;gap:18px}
.cbox{display:flex;gap:18px;padding:24px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:.3s}
.cbox:hover{border-color:var(--cyan);box-shadow:var(--shadow-s)}
.cbox .ico{margin:0;flex:0 0 52px}
.cbox b{display:block;font-size:15px;font-weight:600;letter-spacing:.06em;margin-bottom:4px}
.cbox span{color:var(--slate);font-size:14px}
.mapbox{height:340px;border-radius:var(--r);overflow:hidden;position:relative;background:var(--navy);display:grid;place-items:center;color:#fff;text-align:center;box-shadow:var(--shadow)}
.mapbox .grid-l{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:44px 44px}
.mapbox .pin{position:relative;z-index:2}
.mapbox .pin .dot{width:16px;height:16px;border-radius:50%;background:var(--cyan);margin:0 auto 14px;box-shadow:0 0 0 8px rgba(34,199,222,.25)}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 22px;text-align:center;position:relative;transition:.35s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--mist);color:var(--blue);font-size:17px;font-weight:600;display:grid;place-items:center;margin:0 auto 16px}
.step:hover .n{background:var(--grad);color:#fff}
.step h4{font-size:16px;font-weight:500;margin-bottom:8px;letter-spacing:.04em}
.step p{color:var(--slate);font-size:13px}

/* ============ CTA ============ */
.cta{position:relative;background:var(--navy);color:#fff;text-align:center;overflow:hidden;padding:110px 0}
.cta .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,36,64,.9),rgba(30,111,224,.55))}
.cta .in{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta h2{font-size:clamp(26px,3.4vw,42px);font-weight:300;letter-spacing:.16em;margin-bottom:18px}
.cta p{color:rgba(255,255,255,.75);margin-bottom:32px}

/* ============ Footer ============ */
.ft{background:#071627;color:rgba(255,255,255,.62);padding:72px 0 30px;font-size:14px}
.ft .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.ft h4{color:#fff;font-size:15px;letter-spacing:.14em;margin-bottom:18px;font-weight:500}
.ft .brand{color:#fff;margin-bottom:16px}
.ft a{display:block;margin-bottom:10px;transition:.25s}
.ft a:hover{color:var(--cyan);transform:translateX(4px)}
.ft .cp{display:flex;justify-content:space-between;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:10px;color:rgba(255,255,255,.45)}
.socials{display:flex;gap:12px;margin-top:16px}
.socials a{width:38px;height:38px;border:1px solid rgba(255,255,255,.2);border-radius:10px;display:grid;place-items:center;margin:0;transition:.3s}
.socials a:hover{background:var(--grad);border-color:transparent;transform:translateY(-3px)}

/* ============ reveal ============ */
.rv{opacity:0;transform:translateY(34px);transition:.85s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.totop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px -12px rgba(30,111,224,.8);opacity:0;pointer-events:none;transition:.4s;z-index:90;cursor:pointer}
.totop.on{opacity:1;pointer-events:auto}

/* ============ responsive ============ */
@media(max-width:1000px){
  .g4,.steps{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .split .im img{height:380px}
  .feat{grid-template-columns:1fr}
  .ft .top{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .wrap{width:min(100% - 32px,var(--maxw))}
  section{padding:72px 0}
  .burger{display:flex}
  .nav{position:fixed;top:0;right:-100%;width:min(78vw,320px);height:100vh;background:var(--navy);flex-direction:column;justify-content:center;gap:8px;padding:40px;transition:.45s;box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .nav.open{right:0}
  .nav a{font-size:20px;padding:14px 0;letter-spacing:.14em;width:100%}
  .stats{grid-template-columns:repeat(2,1fr)}
  .g4,.g3,.g2,.steps{grid-template-columns:1fr}
  .nitem{grid-template-columns:1fr}
  .nitem .ni{height:190px}
  .nitem .nc{padding:20px 24px 26px}
  .feat .fc{padding:34px 26px}
  .iform{padding:28px 22px}
  .ft .top{grid-template-columns:1fr}
  .hero h1{letter-spacing:.14em}
}

.cf-result{margin-top:14px;font-size:14px;letter-spacing:.05em;min-height:20px}
.cf-result.success{color:#1F9D55}
.cf-result.error{color:#D64545}