/* MYKREAT Corporation · site.css — 零外部依赖，移动优先 */
:root{
  --navy:#0A1726; --navy2:#12263D; --navy3:#1B3350; --steel:#5B6B7C; --mist:#9FB0C2;
  --line:#DCE0E5; --paper:#F4F2EE; --white:#fff; --gold:#F2A900; --gold2:#FFC933; --ink:#0E1620;
  --display:"Avenir Next Condensed","Arial Narrow","Roboto Condensed","Helvetica Neue",Arial,sans-serif;
  --body:"Avenir Next","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:var(--body);color:var(--ink);background:var(--paper);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

h1,h2,h3,.disp{font-family:var(--display);font-weight:800;text-transform:uppercase;letter-spacing:-.01em;line-height:.95}
h2{font-size:clamp(34px,5.4vw,60px)}
h2 em,h1 em{font-style:normal;color:var(--gold)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.eyebrow:before{content:"";width:28px;height:3px;background:var(--gold)}
.lead{font-size:18px;color:#39475A;max-width:620px}
.dark{background:var(--navy);color:#fff}
.dark .lead,.dark .muted{color:var(--mist)}
section{padding:96px 0}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:14px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;padding:16px 26px;border:2px solid var(--gold);background:var(--gold);color:var(--ink);cursor:pointer;transition:background .15s,color .15s}
.btn:hover{background:var(--gold2);border-color:var(--gold2)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn.ghost:hover{border-color:#fff}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold2);outline-offset:2px}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,23,38,.96);color:#fff;border-bottom:1px solid #1E3149}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.06em;text-decoration:none;line-height:1}
.logo i{font-style:normal;color:var(--gold)}
.logo small{display:block;font-family:var(--body);font-size:8px;letter-spacing:.5em;font-weight:600;color:var(--mist);margin-top:3px}
.menu{display:flex;gap:28px;list-style:none;align-items:center}
.menu a{text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#D5DEE8}
.menu a:hover{color:var(--gold)}
.menu .btn{padding:10px 16px;color:var(--ink)}
.burger{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;padding:6px}

/* Hero */
.hero{position:relative;padding:0;min-height:min(calc(100vh - 64px),880px);display:flex;align-items:stretch;overflow:hidden}
.hero .bg{position:absolute;inset:0;background:var(--navy)}
.hero .bg img{width:100%;height:100%;object-fit:cover;object-position:70% 50%}
.hero .bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,23,38,.92) 0%,rgba(10,23,38,.7) 38%,rgba(10,23,38,.1) 75%)}
.hero .wrap{position:relative;display:flex;flex-direction:column;justify-content:center;padding-top:80px;padding-bottom:80px}
.hero h1{font-size:clamp(52px,9vw,124px);max-width:900px}
.hero .lead{margin-top:28px;font-size:19px}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:44px}
.chips span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;border:1px solid #33475E;padding:7px 12px;color:#D5DEE8}

/* 数字条 */
.stats{background:var(--gold);color:var(--ink);padding:0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 20px 30px;border-left:1px solid rgba(14,22,32,.18)}
.stat:first-child{border-left:0;padding-left:0}
.stat .n{font-family:var(--display);font-weight:800;font-size:56px;line-height:1}
.stat .n sup{font-size:22px;margin-left:3px}
.stat .l{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-top:6px}

/* 服务 */
.services{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #22364C}
.svc{padding:36px 28px 36px 0;border-right:1px solid #22364C}
.svc+.svc{padding-left:28px}
.svc:last-child{border-right:0}
.svc .no{font-family:var(--display);font-weight:800;font-size:64px;color:var(--gold);line-height:.9}
.svc h3{font-size:28px;margin:18px 0 12px}
.svc p{color:var(--mist);font-size:15px}
.svc ul{list-style:none;margin-top:22px;border-top:1px solid #22364C}
.svc li{font-size:14px;padding:10px 0;border-bottom:1px solid #22364C;color:#E3EAF1}
.svc li:before{content:"— ";color:var(--gold)}

/* 服务区域 */
.areas{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.map{position:relative;margin:0;background:var(--navy);aspect-ratio:4/3;overflow:hidden}
.map img{width:100%;height:100%;object-fit:cover}
.map .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:linear-gradient(0deg,rgba(10,23,38,.85),transparent)}
.area-list{border-top:2px solid var(--ink)}
.area{display:grid;grid-template-columns:56px 1fr;gap:4px 16px;padding:22px 0;border-bottom:1px solid var(--line)}
.area .pin{font-family:var(--display);font-weight:800;font-size:30px;color:var(--gold);line-height:1;grid-row:span 2}
.area h3{font-size:26px}
.area p{font-size:15px;color:#39475A}

/* 一体化链条 */
.chain{display:grid;grid-template-columns:repeat(5,1fr);border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}
.step{padding:28px 20px 30px 0}
.step+.step{padding-left:20px;border-left:1px solid var(--line)}
.step .k{font-family:var(--display);font-weight:800;color:var(--gold);letter-spacing:.12em}
.step h3{font-size:30px;margin:8px 0 10px}
.step p{font-size:15px;color:#39475A}

/* 项目 */
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{font:700 12px var(--body);letter-spacing:.14em;text-transform:uppercase;background:transparent;color:#D5DEE8;border:1px solid #33475E;padding:10px 16px;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.projects{display:grid;gap:28px}
.proj{display:grid;grid-template-columns:1.2fr 1fr;background:var(--navy2)}
.proj:nth-child(even) .media{order:2}
.media{position:relative;min-height:380px;background:var(--navy3);overflow:hidden}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media .badge{position:absolute;top:18px;left:18px;background:var(--gold);color:var(--ink);font-family:var(--display);font-weight:800;letter-spacing:.14em;padding:6px 12px;font-size:14px;z-index:1}
.media:after{content:"";position:absolute;inset:auto 0 0 0;height:40%;background:linear-gradient(0deg,rgba(10,23,38,.6),transparent)}
.media .loc{position:absolute;bottom:18px;left:18px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#fff;background:rgba(10,23,38,.75);padding:6px 10px;z-index:1}
.proj .body{padding:36px 36px 34px}
.proj h3{font-size:34px;margin-bottom:14px}
.proj p{color:var(--mist);font-size:15px}
.facts{margin-top:18px;border-top:1px solid #2B4058}
.fact{display:grid;grid-template-columns:110px 1fr;padding:9px 0;border-bottom:1px solid #2B4058;font-size:14px}
.fact b{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#7F93A8;font-weight:700;padding-top:2px}
.scope{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.scope span{font-size:12px;border:1px solid #33475E;padding:5px 10px;color:#D5DEE8}
.metrics{display:flex;gap:28px;margin-top:22px}
.metric .n{font-family:var(--display);font-weight:800;font-size:40px;color:var(--gold);line-height:1}
.metric .l{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
.media .illu{position:absolute;bottom:20px;right:18px;z-index:1;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.empty{padding:40px;border:1px dashed #33475E;color:var(--mist);text-align:center}

/* 设备 */
.fleet{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.unit{background:var(--white);border-top:4px solid var(--gold)}
.unit .pic{height:170px;background:#F4F2EE;position:relative;overflow:hidden}
.unit .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.unit .b{padding:18px}
.unit h3{font-size:22px}
.unit .n{font-family:var(--display);font-weight:800;font-size:36px;line-height:1;margin-top:8px}
.unit .n small{font-size:12px;letter-spacing:.14em;color:var(--steel);margin-left:4px}
.unit .spec{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#B3121B;margin-top:8px}
.fleet-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}
.fleet-notes div{border-top:2px solid var(--ink);padding-top:14px}
.fleet-notes h3{font-size:22px;margin-bottom:6px}
.fleet-notes p{font-size:15px;color:#39475A}

/* 供应链 */
.sc{display:grid;grid-template-columns:1fr 1.15fr;gap:56px}
.flow{border-top:1px solid #22364C}
.flow .row{display:grid;grid-template-columns:56px 1fr;padding:18px 0;border-bottom:1px solid #22364C}
.flow .no{font-family:var(--display);font-weight:800;font-size:30px;color:var(--gold);line-height:1}
.flow h3{font-size:22px;margin-bottom:4px}
.flow p{font-size:15px;color:var(--mist)}
.cats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.cat{background:var(--navy2);padding:20px;border-left:3px solid var(--gold)}
.cat h3{font-size:22px;margin-bottom:4px}
.cat p{font-size:14px;color:var(--mist)}

/* 为什么 */
.why{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.why div{padding:30px 28px 30px 0;border-bottom:1px solid var(--line)}
.why div:not(:nth-child(3n+1)){padding-left:28px;border-left:1px solid var(--line)}
.why .no{font-family:var(--display);font-weight:800;color:var(--gold);letter-spacing:.12em}
.why h3{font-size:28px;margin:8px 0 10px}
.why p{font-size:15px;color:#39475A}
.creds{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.creds span{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:var(--navy);color:#fff;padding:10px 14px}
.creds span b{color:var(--gold)}

/* 联系 */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:56px}
.cinfo{margin-top:30px;border-top:1px solid #22364C}
.cinfo div{padding:16px 0;border-bottom:1px solid #22364C}
.cinfo b{display:block;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:4px}
.cinfo a{text-decoration:none}
form{background:var(--navy2);padding:32px}
label{display:block;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--mist);margin:0 0 6px}
input,select,textarea{width:100%;font:16px var(--body);color:#fff;background:var(--navy);border:1px solid #33475E;padding:13px 14px;margin-bottom:18px;border-radius:0}
textarea{min-height:120px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.msg{font-size:14px;margin-top:14px;min-height:20px}
.msg.err{color:#FF8A7A}.msg.ok{color:var(--gold2)}

footer{background:#070F19;color:var(--mist);padding:40px 0;font-size:13px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
.fab{position:fixed;right:18px;bottom:18px;z-index:40;display:none}

/* 渐入 */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* 响应式 */
@media (max-width:1000px){
  .services{grid-template-columns:1fr 1fr}
  .svc{border-right:0;border-bottom:1px solid #22364C;padding:32px 20px 32px 0!important}
  .svc:nth-child(even){padding-left:20px!important;border-left:1px solid #22364C}
  .chain{grid-template-columns:1fr 1fr}
  .step,.step+.step{padding:22px 16px;border-left:0;border-bottom:1px solid var(--line)}
  .fleet{grid-template-columns:repeat(3,1fr)}
  .areas,.sc,.contact{grid-template-columns:1fr}
  .proj{grid-template-columns:1fr}
  .proj:nth-child(even) .media{order:0}
}
@media (max-width:760px){
  section{padding:68px 0}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--navy);padding:8px 20px 20px;border-bottom:1px solid #1E3149}
  .menu.open{display:flex}
  .menu li{width:100%}.menu a{display:block;padding:14px 0}
  .burger{display:block}
  .hero .bg:after{background:linear-gradient(0deg,rgba(10,23,38,.95) 0%,rgba(10,23,38,.75) 60%,rgba(10,23,38,.45) 100%)}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stat{padding:24px 14px!important;border-left:0;border-top:1px solid rgba(14,22,32,.18)}
  .stat .n{font-size:44px}
  .services,.why,.fleet-notes{grid-template-columns:1fr}
  .svc:nth-child(even){padding-left:0!important;border-left:0}
  .why div,.why div:not(:nth-child(3n+1)){padding:24px 0;border-left:0}
  .fleet{grid-template-columns:1fr 1fr}
  .cats,.row2{grid-template-columns:1fr}
  .proj .body{padding:26px 22px}
  .media{min-height:240px}
  .metrics{gap:18px;flex-wrap:wrap}
  .fab{display:inline-flex}
}