/* Home v4 — full-bleed port hero + quote card, built from the client's own 10-29 concept. Loaded on the home page only. */
@font-face{font-family:"RR Serif";src:url("../fonts/playfair-var.ef05b30d6e5c.woff2") format("woff2");font-weight:400 900;font-display:swap}
@font-face{font-family:"RR Serif SC";src:url("../fonts/noto-serif-sc-hero.d2083345788e.woff2") format("woff2");font-weight:900;font-display:swap}

.wrap,.w4{max-width:1480px;margin:0 auto;padding:0 40px}

/* header floats over the photo */
.header.v4{position:absolute;background:linear-gradient(180deg,rgba(4,11,22,.82) 0%,rgba(4,11,22,.45) 70%,rgba(4,11,22,0) 100%)}
.header.v4 .wrap{height:88px}
.header.v4 .nav a{font-size:15.5px}

/* ---------- hero ---------- */
.h4{position:relative;color:#fff;background:#06111f;overflow:hidden;min-height:clamp(760px,100vh,940px);display:flex;flex-direction:column;padding-top:88px}
.h4-bg{position:absolute;inset:0;background:url("../img/hero-v4.e8bcf354c116.webp") 58% 50%/cover no-repeat}
.h4-bg:after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(4,11,22,.92) 0%,rgba(4,11,22,.74) 30%,rgba(4,11,22,.28) 55%,rgba(4,11,22,.18) 72%,rgba(4,11,22,.55) 100%),
  linear-gradient(0deg,rgba(4,11,22,.92) 0%,rgba(4,11,22,.35) 22%,rgba(4,11,22,0) 42%)}
.h4-grid{position:relative;z-index:2;flex:1;display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:56px;align-items:center;padding-top:28px;padding-bottom:28px;width:100%}
.h4-brand{font-family:"RR Serif",Georgia,serif;font-weight:600;font-size:clamp(30px,2.6vw,44px);line-height:1.1;letter-spacing:.005em;
  background:linear-gradient(180deg,#f6e7c1 0%,#d9b46a 55%,#b8925a 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.h4-title{font-family:"RR Serif SC","Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-weight:900;font-size:clamp(52px,5.1vw,86px);line-height:1.12;letter-spacing:.03em;margin:18px 0 10px;text-shadow:0 4px 30px rgba(0,0,0,.45)}
.h4-title.en{font-family:"RR Serif",Georgia,serif;font-weight:700;letter-spacing:-.01em;font-size:clamp(44px,4.3vw,72px);line-height:1.06}
.h4-en{font-family:"RR Serif",Georgia,serif;font-size:clamp(19px,1.65vw,27px);font-weight:500;color:rgba(255,255,255,.92);margin:0}
.h4-rule{display:block;width:64px;height:3px;border-radius:2px;background:linear-gradient(90deg,#e9cf8f,#c9a45c);margin:26px 0 22px}
.h4-sub{font-size:18px;line-height:1.75;color:rgba(255,255,255,.8);max-width:580px;margin:0}
.h4-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.h4-cta .btn{padding:15px 30px;font-size:16px}

/* quote card */
.qc{background:rgba(7,18,35,.74);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(201,164,92,.5);border-radius:20px;padding:24px 24px 22px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7)}
.qc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:4px 4px 18px}
.qc-head h2{margin:0;font-size:28px;font-weight:700;letter-spacing:.02em}
.qc-head p{margin:6px 0 0;font-size:14px;color:rgba(255,255,255,.66)}
.qc-ico{color:var(--gold-hi);transform:rotate(-8deg)}
.qc-body{background:#fff;color:var(--ink);border-radius:14px;padding:20px 20px 16px;display:flex;flex-direction:column;gap:12px}
.qf{display:grid;grid-template-columns:76px minmax(0,1fr);align-items:center;gap:12px;margin:0}
.qf>span:first-child{font-size:14.5px;font-weight:700;color:var(--ink)}
.qi{position:relative;display:flex;align-items:center}
.qi .ico{position:absolute;left:13px;color:#8a93a3;pointer-events:none}
.qi select,.qi input,.qdims input{width:100%;height:46px;border:1px solid #e3e6ec;background:#f6f7fa;border-radius:10px;padding:0 14px 0 38px;font:500 14.5px var(--font);color:var(--ink);outline:0;transition:.15s;appearance:none;-webkit-appearance:none}
.qi select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235d6779' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:34px;cursor:pointer}
.qi select:disabled{cursor:default;color:var(--ink);opacity:1}
.qdims{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.qdims input{padding:0 10px;text-align:center}
.qi select:focus,.qi input:focus,.qdims input:focus{border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(201,164,92,.16)}
.qc-go{margin-top:6px;height:56px;border:0;border-radius:12px;cursor:pointer;font:700 18px var(--font);letter-spacing:.04em;color:#1a1205;
  background:linear-gradient(180deg,#efd796,#c9a45c);box-shadow:0 14px 30px -12px rgba(201,164,92,.85),inset 0 1px 0 rgba(255,255,255,.55);display:flex;align-items:center;justify-content:center;gap:10px;transition:transform .2s,box-shadow .2s}
.qc-go:hover{transform:translateY(-1px);box-shadow:0 18px 36px -12px rgba(201,164,92,.95),inset 0 1px 0 rgba(255,255,255,.55)}
.qc-note{margin:2px 0 0;font-size:12px;color:#8a93a3;text-align:center}
.qc-res{display:none}
.qc-res.show{display:flex;flex-direction:column;gap:8px;animation:rise .35s ease}
.qc-res .qrow{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 14px;border:1px solid #ece7dc;border-radius:10px;background:#fbfaf6;transition:.15s}
.qc-res .qrow:hover{border-color:var(--gold);background:#fff}
.qc-res .n{font-weight:600;font-size:14px;line-height:1.35}
.qc-res .m{font-size:12px;color:var(--muted);margin-top:2px}
.qc-res .p{font-weight:800;font-size:19px;white-space:nowrap;color:var(--navy-900)}
.qc-res .p small{font-size:11px;font-weight:600;color:var(--muted);margin-right:4px}
.qc-res .best{display:inline-block;font-size:11px;font-weight:700;color:#1a1205;background:linear-gradient(180deg,#efd796,#c9a45c);border-radius:4px;padding:2px 6px;margin-right:6px;vertical-align:1px}
.qc-res .demo{font-size:11px;color:var(--muted);font-weight:500}
.qc-res .qfoot{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);padding:2px 2px 0}
.qc-res .qfoot a{color:var(--gold-lo);font-weight:700;white-space:nowrap}

/* trust row */
.h4-trust{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:26px;padding-bottom:34px;width:100%}
.h4-trust:before{content:"";position:absolute;top:0;left:40px;right:40px;height:1px;background:linear-gradient(90deg,rgba(201,164,92,.5),rgba(255,255,255,.12) 60%,rgba(255,255,255,0))}
.h4-trust>div{display:flex;align-items:center;gap:14px}
.h4-trust .ico{color:var(--gold-hi)}
.h4-trust b{display:block;font-size:16.5px;font-weight:700}
.h4-trust small{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:3px}

/* ---------- services + tracking + markets (light) ---------- */
.s4{background:#f2f4f8;padding:36px 0 90px}
.svc4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.svc4 a{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 1px 2px rgba(11,22,38,.06),0 14px 34px -20px rgba(11,22,38,.28);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.svc4 a:hover{transform:translateY(-4px);box-shadow:0 2px 4px rgba(11,22,38,.06),0 26px 50px -22px rgba(11,22,38,.4)}
.svc4 .ph{height:200px;background-size:cover;background-position:center;transition:transform .6s}
.svc4 a:hover .ph{transform:scale(1.04)}
.svc4 .bd{position:relative;display:flex;gap:16px;align-items:flex-start;padding:22px 46px 24px 22px;background:#fff;flex:1}
.svc4 .bd>.ico{color:var(--gold-lo);margin-top:2px}
.svc4 h3{margin:0;font-size:20px;font-weight:700;color:var(--ink)}
.svc4 p{margin:7px 0 0;font-size:14px;line-height:1.6;color:var(--muted)}
.svc4 .chev{position:absolute;right:18px;top:50%;margin-top:-9px;color:#9aa3b2;transition:.2s}
.svc4 a:hover .chev{color:var(--gold-lo);transform:translateX(3px)}

.duo{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:22px;margin-top:22px}
.panel{display:flex;flex-direction:column;background:#fff;border-radius:16px;padding:28px 30px 30px;box-shadow:0 1px 2px rgba(11,22,38,.06),0 14px 34px -20px rgba(11,22,38,.28)}
.ph-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.ph-head h3{margin:0;font-size:22px;font-weight:700;color:var(--ink)}
.ph-head p{margin:4px 0 0;font-size:14px;color:var(--muted)}
.ph-head .pi{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--navy-900);color:var(--gold-hi);flex:none}
.ph-head .more{margin-left:auto;display:flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--gold-lo);white-space:nowrap}
.trk-f{display:flex;gap:12px}
.trk-f input{flex:1;min-width:0;height:54px;border:1px solid #e3e6ec;background:#f6f7fa;border-radius:12px;padding:0 18px;font:500 15px var(--font);color:var(--ink);outline:0}
.trk-f input:focus{border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(201,164,92,.16)}
.trk-f button{height:54px;padding:0 28px;border:0;border-radius:12px;background:var(--navy-900);color:#fff;font:700 16px var(--font);display:flex;align-items:center;gap:8px;cursor:pointer;transition:.2s}
.trk-f button:hover{background:var(--navy-700)}
.trk-steps{list-style:none;margin:30px 0 0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);position:relative}
.trk-steps:before{content:"";position:absolute;top:26px;left:8%;right:8%;border-top:2px dashed #d9dee6}
.trk-steps li{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink);text-align:center}
.trk-steps .ico{width:54px;height:54px;padding:13px;border-radius:50%;background:#fff;border:1.5px solid #dfe3ea;color:var(--navy-700);box-sizing:border-box}
.trk-steps li:last-child .ico{border-color:var(--gold);color:var(--gold-lo);background:#fbf5e6}

.trk-help{margin-top:auto;padding-top:26px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.trk-help .ico{color:var(--gold-lo)}
.trk-help a{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;color:#128c4a}
.mk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mk-grid a{position:relative;overflow:hidden;border-radius:12px;padding:18px 18px 16px;color:#fff;
  background:radial-gradient(120% 140% at 100% 0%,#1c3b66 0%,#0d2140 55%,#081628 100%);transition:transform .2s,box-shadow .2s;min-height:128px;display:flex;flex-direction:column}
.mk-grid a:hover{transform:translateY(-3px);box-shadow:0 18px 30px -18px rgba(8,22,40,.8)}
.mk-grid a:after{content:"";position:absolute;inset:0;border-radius:12px;border:1px solid rgba(201,164,92,.28);pointer-events:none}
.mk-code{position:absolute;right:14px;bottom:10px;font:700 40px/1 "RR Serif",Georgia,serif;color:rgba(201,164,92,.2)}
.mk-grid b{position:relative;z-index:1}
.mk-grid b{font-size:19px;font-weight:700}
.mk-n{margin-top:auto;font-size:13px;color:rgba(255,255,255,.7)}
.mk-n em{font-style:normal;font-size:26px;font-weight:800;color:var(--gold-hi);margin-right:2px}
.mk-grid small{font-size:12px;color:rgba(255,255,255,.55);margin-top:2px}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .h4-grid{grid-template-columns:minmax(0,1fr) 420px;gap:40px}
  .svc4 .ph{height:170px}
}
@media (max-width:1100px){
  .wrap,.w4{padding:0 28px}
  .h4{min-height:0}
  .h4-grid{grid-template-columns:1fr;gap:36px;padding-top:56px}
  .h4-bg{background-position:62% 0;background-size:auto 72%;background-color:#06111f}
  .h4-bg:after{background:linear-gradient(180deg,rgba(4,11,22,.45) 0%,rgba(4,11,22,.55) 40%,#06111f 72%)}
  .qc{max-width:640px}
  .h4-trust{grid-template-columns:repeat(2,1fr)}
  .svc4{grid-template-columns:repeat(2,1fr)}
  .duo{grid-template-columns:1fr}
}
@media (max-width:760px){
  .wrap,.w4{padding:0 16px}
  .header.v4 .wrap{height:68px}
  .h4{padding-top:68px}
  .h4-bg{background-image:url("../img/hero-v4-m.17a366a112ea.webp");background-size:100% auto;background-position:center top}
  .h4-grid{padding-top:150px;gap:28px}
  .h4-brand{font-size:24px}
  .h4-title{font-size:clamp(30px,9.2vw,40px);margin:12px 0 8px;letter-spacing:.01em}
  .h4-title.en{font-size:36px}
  .h4-en{font-size:17px}
  .h4-rule{margin:18px 0 16px}
  .h4-sub{font-size:15.5px}
  .h4-cta{margin-top:24px}
  .h4-cta .btn{flex:1;padding:14px 16px}
  .qc{padding:18px 14px 14px;border-radius:18px}
  .qc-head h2{font-size:23px}
  .qc-body{padding:16px 14px 14px}
  .qf{grid-template-columns:62px minmax(0,1fr);gap:8px}
  .qf>span:first-child{font-size:13.5px}
  .h4-trust{gap:18px 12px;padding-bottom:28px}
  .h4-trust:before{left:16px;right:16px}
  .h4-trust>div{gap:10px}
  .h4-trust .ico{width:26px;height:26px}
  .h4-trust b{font-size:15px}
  .h4-trust small{font-size:12px}
  .s4{padding:22px 0 60px}
  .svc4{grid-template-columns:1fr 1fr;gap:12px}
  .svc4 .ph{height:110px}
  .svc4 .bd{flex-direction:column;gap:8px;padding:14px 14px 16px}
  .svc4 .bd>.ico{width:26px;height:26px}
  .svc4 h3{font-size:16px}
  .svc4 p{font-size:12.5px}
  .svc4 .chev{display:none}
  .panel{padding:20px 16px 22px}
  .ph-head h3{font-size:19px}
  .ph-head .pi{width:42px;height:42px}
  .trk-f input{height:50px;padding:0 14px}
  .trk-f button{height:50px;padding:0 18px}
  .trk-steps{grid-template-columns:repeat(3,1fr);row-gap:20px}
  .trk-steps:before{display:none}
  .mk-grid{grid-template-columns:repeat(2,1fr);gap:10px}
}