:root{
  --navy:#161e2e;
  --navy-2:#1f2a40;
  --mint:#2fbf94;
  --mint-dark:#1f9c77;
  --paper:#f6f8fa;
  --ink:#1c2230;
  --sub:#5b6474;
  --line:#dde2ea;
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{ font-family:"Segoe UI",Inter,Roboto,Arial,sans-serif; color:var(--ink); background:#fff; line-height:1.6; font-size:16px; }
img{ max-width:100%; display:block; }
a{ color:var(--mint-dark); text-decoration:none; }
.wrap{ max-width:1100px; margin:0 auto; padding:0 20px; }
.mono{ font-family:Consolas,Menlo,monospace; }

/* ---------- top ruo strip ---------- */
.ruo-strip{ background:var(--navy); color:#aeb6c6; font-size:12.5px; text-align:center; padding:6px 12px; letter-spacing:.4px; }

/* ---------- nav ---------- */
nav{ position:sticky; top:0; z-index:50; background:#ffffffee; backdrop-filter:blur(6px); border-bottom:1px solid var(--line); }
.nav-in{ display:flex; align-items:center; justify-content:space-between; height:60px; position:relative; }
.logo{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:19px; letter-spacing:2.5px; color:var(--navy); }
.logo img{ width:30px; height:30px; border-radius:7px; }
.logo span b{ color:var(--mint-dark); }
.nav-links{ display:flex; gap:26px; align-items:center; font-size:14.5px; }
.nav-links a{ color:var(--ink); }
.nav-links a:hover{ color:var(--mint-dark); }
.btn{ display:inline-block; background:var(--mint); color:#fff !important; font-weight:600; padding:10px 20px; border-radius:8px; transition:background .15s; }
.btn:hover{ background:var(--mint-dark); }
.btn.ghost{ background:transparent; border:1.5px solid #ffffff66; color:#fff !important; }
.btn.ghost:hover{ border-color:var(--mint); color:var(--mint) !important; background:transparent; }
.nav-links .btn{ padding:8px 16px; font-size:14px; }
.btn.line{ background:#fff; border:1.5px solid var(--mint-dark); color:var(--mint-dark) !important; }
.btn.line:hover{ background:var(--paper); }
.nav-toggle{ display:none; }
.nav-burger{ display:none; }
@media (max-width:820px){
  .nav-burger{ display:flex; flex-direction:column; justify-content:center; gap:5px; width:40px; height:40px; cursor:pointer; align-items:center; border-radius:8px; }
  .nav-burger span{ display:block; width:22px; height:2px; background:var(--navy); border-radius:2px; }
  .nav-links{ display:none; position:absolute; top:60px; left:-20px; right:-20px; background:#fff; border-bottom:1px solid var(--line); flex-direction:column; align-items:stretch; padding:6px 20px 18px; gap:0; box-shadow:0 14px 30px #00000022; }
  .nav-links a{ padding:13px 2px; border-bottom:1px solid var(--line); font-size:15.5px; }
  .nav-links .btn, .nav-links .btn.line{ margin-top:12px; text-align:center; border-bottom:none; padding:11px 16px; }
  .nav-toggle:checked ~ .nav-links{ display:flex; }
}

/* ---------- hero (home) ---------- */
.hero{ background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 70%,#24405c 100%); color:#fff; overflow:hidden; }
.hero-in{ display:grid; grid-template-columns:1.05fr .95fr; gap:36px; align-items:center; padding:64px 0 58px; }
.eyebrow{ color:var(--mint); font-size:13px; font-weight:700; letter-spacing:3px; margin-bottom:16px; }
.hero h1{ font-size:40px; line-height:1.18; font-weight:800; margin-bottom:18px; }
.hero p.lead{ color:#c3cad8; font-size:17px; max-width:46ch; margin-bottom:28px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-img{ border-radius:14px; overflow:hidden; box-shadow:0 18px 50px #00000055; }
.dotline{ display:flex; align-items:center; gap:0; margin-top:34px; }
.dotline .seg{ height:2px; width:70px; background:#3a4761; }
.dotline .dot{ width:9px; height:9px; border-radius:50%; background:#3a4761; }
.dotline .dot.on{ background:var(--mint); }
@media (max-width:860px){
  .hero-in{ grid-template-columns:1fr; padding:46px 0; }
  .hero h1{ font-size:31px; }
}

/* ---------- interior page head ---------- */
.page-head{ background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 80%,#24405c 100%); color:#fff; padding:42px 0 40px; }
.page-head h1{ font-size:32px; font-weight:800; line-height:1.2; margin:10px 0 10px; }
.page-head .lead{ color:#c3cad8; max-width:64ch; font-size:16.5px; }
.crumbs{ font-size:13px; color:#8f9ab0; }
.crumbs a{ color:#aeb6c6; }
.crumbs a:hover{ color:var(--mint); }
@media (max-width:860px){ .page-head h1{ font-size:26px; } }

/* ---------- trust bar ---------- */
.trustbar{ background:var(--paper); border-bottom:1px solid var(--line); }
.trust-in{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; padding:26px 0; }
.trust-item{ display:flex; gap:12px; align-items:flex-start; font-size:14.5px; }
.tick{ flex:0 0 22px; width:22px; height:22px; border-radius:50%; background:var(--mint); color:#fff; display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; margin-top:2px; }
.trust-item b{ display:block; }
.trust-item small{ color:var(--sub); }
@media (max-width:860px){ .trust-in{ grid-template-columns:repeat(2,1fr); } }

/* ---------- sections ---------- */
section{ padding:60px 0; }
section.alt{ background:var(--paper); }
.sec-eyebrow{ color:var(--mint-dark); font-size:12.5px; font-weight:700; letter-spacing:3px; margin-bottom:10px; }
h2{ font-size:28px; font-weight:800; color:var(--navy); margin-bottom:14px; }
.sec-lead{ color:var(--sub); max-width:66ch; margin-bottom:32px; font-size:16.5px; }

/* products */
.prod-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.prod{ border:1px solid var(--line); border-radius:12px; padding:22px 22px 18px; background:#fff; }
.prod h3{ font-size:18.5px; letter-spacing:.5px; }
.prod h3 a{ color:var(--navy); }
.prod h3 a:hover{ color:var(--mint-dark); }
.prod .size{ color:var(--mint-dark); font-weight:700; font-size:14px; margin:2px 0 10px; }
.prod .cas{ font-size:13px; color:var(--sub); }
.prod .tagrow{ margin-top:12px; }
.tag{ display:inline-block; font-size:11.5px; background:var(--paper); border:1px solid var(--line); color:var(--sub); border-radius:20px; padding:2px 10px; margin:0 4px 4px 0; }
.prod-note{ margin-top:26px; background:var(--navy); color:#dfe4ee; border-radius:12px; padding:20px 24px; display:flex; justify-content:space-between; align-items:center; gap:18px; flex-wrap:wrap; }
.prod-note b{ color:#fff; }
@media (max-width:860px){ .prod-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .prod-grid{ grid-template-columns:1fr; } }

/* product detail */
.pd-grid{ display:grid; grid-template-columns:1.15fr .85fr; gap:36px; align-items:start; }
.spec-table{ width:100%; border-collapse:collapse; font-size:14.5px; margin:4px 0 22px; }
.spec-table th{ text-align:left; color:var(--sub); font-weight:600; padding:10px 14px 10px 0; width:180px; vertical-align:top; border-bottom:1px solid var(--line); }
.spec-table td{ padding:10px 0; border-bottom:1px solid var(--line); }
.side-img{ border-radius:14px; overflow:hidden; border:1px solid var(--line); }
.ruo-inline{ font-size:13.5px; color:var(--sub); border-left:3px solid var(--mint); padding:9px 14px; background:var(--paper); border-radius:6px; margin-bottom:22px; }
.related{ margin-top:44px; }
.related h2{ font-size:20px; }
.tagl{ display:inline-block; border:1px solid var(--line); border-radius:20px; padding:6px 14px; margin:0 8px 8px 0; font-size:13.5px; color:var(--navy); font-weight:600; background:#fff; }
.tagl:hover{ border-color:var(--mint-dark); color:var(--mint-dark); }
@media (max-width:860px){ .pd-grid{ grid-template-columns:1fr; } }

/* quality */
.qual-grid{ display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center; }
.qual-list{ list-style:none; }
.qual-list li{ display:flex; gap:14px; margin-bottom:22px; }
.qual-num{ flex:0 0 34px; width:34px; height:34px; border-radius:9px; background:var(--navy); color:var(--mint); font-weight:800; display:flex; align-items:center; justify-content:center; font-size:15px; }
.qual-list b{ display:block; color:var(--navy); }
.qual-list p{ color:var(--sub); font-size:15px; }
.qual-img{ border-radius:14px; overflow:hidden; border:1px solid var(--line); }
.lot-chip{ margin-top:14px; background:#fff; border:1px dashed var(--mint-dark); border-radius:10px; padding:12px 16px; font-size:14px; color:var(--sub); }
.lot-chip span{ color:var(--navy); font-weight:700; }
.verify-box{ margin-top:38px; background:var(--navy); color:#dfe4ee; border-radius:14px; padding:28px 30px; display:flex; justify-content:space-between; align-items:center; gap:26px; flex-wrap:wrap; }
.verify-box h3{ color:#fff; font-size:19px; margin-bottom:12px; }
.verify-steps{ list-style:none; display:flex; flex-direction:column; gap:8px; font-size:14.5px; }
.verify-steps li{ display:flex; gap:10px; align-items:baseline; }
.verify-steps .n{ color:var(--mint); font-weight:800; font-size:13px; }
.verify-box .btn{ white-space:nowrap; }
.verify-note{ flex-basis:100%; font-size:12.5px; color:#8f9ab0; margin-top:2px; }
.vlink{ display:inline-block; margin-top:12px; font-size:13px; font-weight:600; }
@media (max-width:860px){ .qual-grid{ grid-template-columns:1fr; } }

/* supply / facility */
.supply-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.supply-card{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:24px; }
.supply-card .ico{ font-size:22px; margin-bottom:10px; }
.supply-card b{ display:block; color:var(--navy); margin-bottom:6px; font-size:16.5px; }
.supply-card p{ color:var(--sub); font-size:14.5px; }
.facility-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:30px; }
.facility-grid figure{ margin:0; border-radius:12px; overflow:hidden; border:1px solid var(--line); background:#fff; }
.facility-grid img{ width:100%; height:170px; object-fit:cover; display:block; }
.facility-grid figcaption{ font-size:12.5px; color:var(--sub); padding:8px 12px; }
@media (max-width:860px){ .supply-grid{ grid-template-columns:1fr; } .facility-grid{ grid-template-columns:1fr 1fr; } }

/* home teaser bands */
.teaser-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; align-items:stretch; }
.teaser{ border:1px solid var(--line); border-radius:14px; overflow:hidden; background:#fff; display:flex; flex-direction:column; }
.teaser img{ width:100%; height:210px; object-fit:cover; }
.teaser .t-body{ padding:20px 22px 22px; display:flex; flex-direction:column; gap:8px; flex:1; }
.teaser b{ color:var(--navy); font-size:17px; }
.teaser p{ color:var(--sub); font-size:14.5px; flex:1; }
@media (max-width:860px){ .teaser-grid{ grid-template-columns:1fr; } }

/* ordering steps + terms */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; counter-reset:step; }
.step{ border:1px solid var(--line); border-radius:12px; padding:20px; background:#fff; position:relative; }
.step::before{ counter-increment:step; content:counter(step,decimal-leading-zero); font-weight:800; font-size:13px; color:var(--mint-dark); letter-spacing:2px; }
.step b{ display:block; color:var(--navy); margin:6px 0 6px; }
.step p{ font-size:14px; color:var(--sub); }
.cards4{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.cards4 .step::before{ content:none; }
@media (max-width:860px){ .steps, .cards4{ grid-template-columns:1fr 1fr; } }

/* contact */
.contact{ background:linear-gradient(160deg,var(--navy),#22334e); color:#fff; }
.contact h2{ color:#fff; }
.contact p.sec-lead{ color:#b9c2d2; }
.contact-grid{ display:grid; grid-template-columns:1fr 1.1fr; gap:36px; align-items:start; }
.chan{ display:flex; align-items:center; gap:14px; background:#ffffff10; border:1px solid #ffffff22; border-radius:12px; padding:15px 18px; margin-bottom:14px; color:#fff !important; font-weight:700; font-size:16.5px; transition:background .15s; }
.chan:hover{ background:#ffffff1e; }
.chan .ci{ flex:0 0 40px; width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:19px; color:#fff; }
.chan small{ display:block; font-weight:400; font-size:12.5px; color:#9ba6ba; }
.ci.wa{ background:#25d366; } .ci.dc{ background:#5865f2; } .ci.tg{ background:#2aabee; }
.contact .hint{ margin-top:6px; font-size:13px; color:#8f9ab0; }
.mail-card{ background:#ffffff10; border:1px solid #ffffff22; border-radius:14px; padding:24px; }
.mail-card h3{ font-size:17px; margin-bottom:4px; }
.mail-card .sub2{ font-size:13.5px; color:#9ba6ba; margin-bottom:16px; }
.mail-card label{ display:block; font-size:12.5px; color:#b9c2d2; margin:12px 0 5px; letter-spacing:.5px; }
.mail-card input, .mail-card textarea{ width:100%; border:1px solid #ffffff2e; background:#0e1522; color:#fff; border-radius:8px; padding:11px 13px; font-size:14.5px; font-family:inherit; }
.mail-card input:focus, .mail-card textarea:focus{ outline:none; border-color:var(--mint); }
.mail-card textarea{ min-height:110px; resize:vertical; }
.mail-card button{ margin-top:16px; width:100%; background:var(--mint); color:#fff; border:none; border-radius:9px; padding:13px; font-size:15.5px; font-weight:700; cursor:pointer; }
.mail-card button:hover{ background:var(--mint-dark); }
.form-note{ margin-top:10px; font-size:12px; color:#8f9ab0; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }

/* footer */
footer{ background:#10161f; color:#8b93a5; font-size:13px; padding:34px 0; }
footer .f-in{ display:flex; flex-direction:column; gap:14px; }
footer .f-brand{ color:#fff; font-weight:800; letter-spacing:2.5px; }
footer .f-brand b{ color:var(--mint); }
.f-nav{ display:flex; flex-wrap:wrap; gap:8px 20px; }
.f-nav a{ color:#aeb6c6; }
.f-nav a:hover{ color:var(--mint); }

/* 404 */
.nf{ text-align:center; padding:110px 20px; }
.nf h1{ font-size:66px; color:var(--navy); letter-spacing:3px; }
.nf p{ color:var(--sub); margin:10px 0 26px; }