/* ==========================================================================
   Uni-Link International Supply Chain (Guangzhou) Co., Ltd.
   Site template stylesheet — v1 (2026-09-28)
   Palette: deep navy + steel blue + single international-orange CTA
   ========================================================================== */

:root{
  --navy:#0d2337;
  --navy-2:#123a5c;
  --steel:#1d5c86;
  --accent:#e8761b;
  --accent-dk:#c9600f;
  --ink:#1b2733;
  --ink-2:#4a5a68;
  --line:#dde3e8;
  --bg:#ffffff;
  --bg-alt:#f4f6f8;
  --radius:6px;
  --wrap:1180px;
  --font:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.65;font-weight:400;
}
img{max-width:100%;display:block}
a{color:var(--steel);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-weight:600;line-height:1.25;color:var(--navy);margin:0 0 .6em}
h1{font-size:2.45rem;letter-spacing:-.01em}
h2{font-size:1.85rem}
h3{font-size:1.2rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:.3em 0}
strong{font-weight:600}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:52px 0}
.section-lead{max-width:760px;color:var(--ink-2);font-size:1.06rem}
.eyebrow{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--steel);font-weight:600;margin-bottom:.7em
}
.muted{color:var(--ink-2);font-size:.94rem}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}

/* ---------- answer block (GEO: quotable, conclusion first) -------------- */
.answer{
  border-left:3px solid var(--accent);background:#fff;padding:18px 22px;
  margin:0 0 26px;font-size:1.06rem;color:var(--ink)
}
.answer p:last-child{margin-bottom:0}

/* ---------- buttons ------------------------------------------------ */
.btn{
  display:inline-block;padding:13px 24px;border-radius:var(--radius);
  font-weight:600;font-size:.97rem;line-height:1;border:1px solid transparent;
  cursor:pointer;text-align:center
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dk)}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-2)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--navy);background:#fff}
.btn--sm{padding:10px 16px;font-size:.88rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- header ------------------------------------------------- */
.site-header{
  background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40
}
.site-header .wrap{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;color:var(--navy);font-size:1.15rem}
.brand:hover{text-decoration:none}
.brand svg{flex:0 0 auto}
.brand span small{display:block;font-size:.63rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);font-weight:600}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.site-nav a{color:var(--ink);font-size:.95rem;font-weight:500}
.site-nav a:hover{color:var(--steel);text-decoration:none}
.site-nav a[aria-current="page"]{color:var(--steel)}
.site-header .btn{margin-left:6px}

/* ---------- hero --------------------------------------------------- */
.hero{
  background:
    linear-gradient(115deg,rgba(13,35,55,.96) 0%,rgba(18,58,92,.92) 62%,rgba(29,92,134,.88) 100%);
  color:#fff;padding:78px 0 66px;border-bottom:4px solid var(--accent)
}
.hero h1{color:#fff;font-size:3rem;letter-spacing:-.015em;max-width:20ch}
.hero .hero-sub{font-size:1.16rem;color:#cdddec;max-width:62ch;margin-bottom:28px}
.hero .hero-sub strong{color:#fff}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.22);color:#dbe7f1;font-size:.94rem
}
.hero-facts span::before{content:"—";color:var(--accent);margin-right:8px;font-weight:600}
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ---------- page hero (inner pages) ------------------------------- */
.page-hero{background:var(--navy);color:#fff;padding:46px 0 42px}
.page-hero h1{color:#fff;font-size:2.3rem;margin-bottom:.35em}
.page-hero p{color:#c9d8e4;max-width:70ch;margin:0}
.crumbs{font-size:.85rem;color:#9fb6c8;margin-bottom:14px}
.crumbs a{color:#cfe0ec}
.crumbs span{margin:0 7px;color:#7e97aa}

/* ---------- grids / cards ----------------------------------------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.grid--5{grid-template-columns:repeat(auto-fit,minmax(195px,1fr))}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;display:flex;flex-direction:column
}
.card h3{margin-bottom:.45em}
.card p{color:var(--ink-2);font-size:.95rem}
.card .card-link{margin-top:auto;font-weight:600;font-size:.92rem;color:var(--steel)}
.card--flat{background:var(--bg-alt)}
.card--link:hover{border-color:var(--steel)}

.card--port{text-align:left}
.card--port .port-code{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:600}
.card--port h3{margin-top:.25em}

.card--route{border-top:3px solid var(--steel)}
.card--route.secondary{border-top-color:var(--line);background:var(--bg-alt)}
.card--route.secondary h3{color:var(--ink-2)}
.eta{font-size:.88rem;color:var(--ink-2);margin-top:auto}

/* ---------- trust bar -------------------------------------------- */
.trustbar{background:var(--navy-2);color:#dbe7f1;padding:18px 0;font-size:.95rem}
.trustbar .wrap{display:flex;flex-wrap:wrap;gap:8px 30px;align-items:center}
.trustbar strong{color:#fff}

/* ---------- media slot (real-photo placeholder, never AI imagery) --- */
.media-slot{
  border:1px dashed #a9bccd;background:repeating-linear-gradient(45deg,#eef2f6,#eef2f6 12px,#e6ecf2 12px,#e6ecf2 24px);
  border-radius:var(--radius);aspect-ratio:16/9;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:20px;margin:0
}
.media-slot figcaption{color:var(--ink-2);font-size:.88rem;max-width:34ch}
.media-slot .slot-tag{
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
  font-weight:600;margin-bottom:6px
}

/* ---------- tables ------------------------------------------------ */
.table-scroll{overflow-x:auto;margin:0 0 26px}
table{border-collapse:collapse;width:100%;background:#fff;font-size:.95rem}
th,td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
th{background:var(--navy);color:#fff;font-weight:600;font-size:.9rem}
tbody tr:nth-child(even){background:#f8fafb}
caption{caption-side:top;text-align:left;font-size:.88rem;color:var(--ink-2);padding:0 0 8px}

/* ---------- steps -------------------------------------------------- */
.steps{counter-reset:step;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.step{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step::before{
  content:counter(step,decimal-leading-zero);display:block;font-size:1.5rem;font-weight:600;
  color:var(--accent);margin-bottom:.35em
}
.step h3{font-size:1.05rem}

/* ---------- FAQ --------------------------------------------------- */
.faq{max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px}
.faq summary{
  cursor:pointer;padding:16px 20px;font-weight:600;color:var(--navy);list-style:none;
  position:relative;padding-right:46px
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:14px;color:var(--accent);font-size:1.3rem;font-weight:600}
.faq details[open] summary::after{content:"–"}
.faq details > div{padding:0 20px 18px;color:var(--ink-2);font-size:.97rem}

/* ---------- forms ------------------------------------------------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:.88rem;font-weight:600;color:var(--navy);margin-bottom:6px}
.field .hint{font-weight:400;color:var(--ink-2);font-size:.82rem}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:.97rem;color:var(--ink);background:#fff
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--steel);outline-offset:1px;border-color:var(--steel)}
.field textarea{min-height:104px;resize:vertical}
.form-note{font-size:.85rem;color:var(--ink-2);margin:14px 0 0}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- CTA band --------------------------------------------- */
.cta-band{background:var(--navy);color:#fff;padding:56px 0}
.cta-band h2{color:#fff;margin-bottom:.4em}
.cta-band p{color:#c9d8e4;max-width:64ch}
.cta-band a{color:#fff;text-decoration:underline}

/* ---------- channel list ----------------------------------------- */
.channels{list-style:none;padding:0;margin:0}
.channels li{border-bottom:1px solid var(--line);padding:14px 0}
.channels li:last-child{border-bottom:0}
.channels .ch-label{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);font-weight:600}
.channels .ch-value{font-size:1.05rem;color:var(--navy);font-weight:600}

/* ---------- TBD tag (template stage only — build gate blocks deploy) */
.tbd{border:1px dashed var(--accent);border-radius:4px;padding:1px 6px;color:var(--accent-dk);font-size:.92em;white-space:nowrap}

/* ---------- footer ----------------------------------------------- */
.site-footer{background:var(--navy);color:#a9c0d2;padding:56px 0 26px;font-size:.93rem}
.site-footer h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.site-footer a{color:#d5e4ef}
.footer-grid{display:grid;gap:34px;grid-template-columns:1.5fr 1fr 1fr 1.2fr}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin:.4em 0}
.footer-legal{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:.85rem
}
.footer-legal .entity{color:#c6d8e6}

/* ---------- floating whatsapp ------------------------------------ */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:50;background:#25d366;color:#08301b;
  font-weight:600;font-size:.95rem;padding:13px 18px;border-radius:40px;
  box-shadow:0 8px 22px rgba(0,0,0,.22);display:inline-flex;align-items:center;gap:9px
}
.wa-float:hover{text-decoration:none;background:#1fbb59}

/* ---------- responsive ------------------------------------------- */
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.3rem}
  .site-header .wrap{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:14px}
  .site-nav{width:100%;margin-left:0;gap:16px}
}
@media (max-width:640px){
  body{font-size:16px}
  .section{padding:52px 0}
  h1{font-size:2rem}
  .hero{padding:56px 0 48px}
  .hero h1{font-size:2rem}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}