/* ============================================================
   China-Polo — polo shirt manufacturer B2B site
   Premium industrial-apparel design system. No framework.
   ============================================================ */
:root{
  --ink:#0e1a2b; --ink-2:#16263c; --green:#1e5a4a; --green-d:#154237;
  --gold:#b68a3e; --paper:#f7f5f2; --line:#e4ded4; --text:#2c3440;
  --muted:#66707e; --white:#fff; --danger:#9b2c2c;
  --radius:14px; --shadow:0 10px 30px rgba(14,26,43,.08);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--white);line-height:1.65;font-size:16px}
h1,h2,h3,h4{color:var(--ink);line-height:1.22;font-weight:700;margin:0 0 .5em}
h1{font-size:clamp(1.8rem,4vw,2.9rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,2.8vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.12rem}
p{margin:0 0 1em}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.narrow{max-width:840px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.muted{color:var(--muted)}
.verify{background:#fff3d6;border-bottom:1px dashed var(--gold);padding:0 4px;border-radius:3px;font-size:.92em;color:#6b4a12;overflow-wrap:anywhere}

/* ---------- buttons ---------- */
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;font-size:.95rem;
  border:1.5px solid transparent;cursor:pointer;text-align:center;transition:.18s;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--green);color:#fff}
.btn--primary:hover{background:var(--green-d)}
.btn--light{background:#fff;color:var(--ink)}
.btn--ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--ghost-light:hover{border-color:#fff}
.btn--outline{background:#fff;color:var(--green-d);border-color:var(--line)}
.btn--outline:hover{border-color:var(--green)}
.btn--lg{padding:15px 30px;font-size:1.02rem}
.btn--sm{padding:9px 16px;font-size:.88rem}

/* ---------- topbar & header ---------- */
.topbar{background:var(--ink);color:#cdd6e2;font-size:.82rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:36px}
.topbar__msg{margin:0}
.topbar__links{display:flex;gap:20px}
.topbar__links a{color:#cdd6e2}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;gap:28px;min-height:74px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo:hover{text-decoration:none}
.logo__mark{width:42px;height:42px;border-radius:10px;background:var(--ink);color:#fff;font-family:Georgia,serif;
  font-weight:700;font-size:1.05rem;display:grid;place-items:center}
.logo__txt{display:flex;flex-direction:column;line-height:1.15}
.logo__txt strong{color:var(--ink);font-size:1.18rem;letter-spacing:.01em}
.logo__txt small{color:var(--muted);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}
.nav-wrap{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.nav__item{position:relative}
.nav__item>a{display:flex;align-items:center;gap:5px;padding:26px 11px;color:var(--ink);font-weight:500;font-size:.92rem}
.nav__item>a:hover{color:var(--green-d);text-decoration:none}
.nav__item.is-active>a{color:var(--green-d)}
.nav__caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.nav__sub{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:8px;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;z-index:50}
.nav__item:hover .nav__sub,.nav__item:focus-within .nav__sub{opacity:1;visibility:visible;transform:none}
.nav__sub a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-size:.9rem}
.nav__sub a:hover{background:var(--paper);text-decoration:none;color:var(--green-d)}
.header-cta{flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;margin-left:auto;padding:10px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.2s;display:block}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 24px 18px;max-height:calc(100vh - 110px);overflow:auto}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:11px 4px;color:var(--ink);border-bottom:1px solid #eee;font-size:.95rem}
.mobile-nav .m-sub a{padding-left:18px;font-size:.88rem;color:var(--muted)}
.mobile-nav .btn{margin-top:14px;width:100%}

/* ---------- breadcrumb ---------- */
.crumbs{background:var(--paper);border-bottom:1px solid var(--line);font-size:.84rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:11px 0}
.crumbs li::after{content:"/";margin-left:6px;color:#b0a89a}
.crumbs li:last-child::after{content:""}
.crumbs li:last-child{color:var(--muted)}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--paper) 0%,#fff 100%);padding:64px 0 56px}
.hero__grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero__badge{display:inline-flex;align-items:center;gap:8px;background:#e9f1ee;color:var(--green-d);
  font-size:.8rem;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero__sub{font-size:1.1rem;color:var(--muted);max-width:540px;margin-bottom:28px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero__trust{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.85rem;color:var(--muted);margin:0;list-style:none;padding:0}
.hero__trust li::before{content:"\2713";color:var(--green);font-weight:700;margin-right:7px}
.hero__media{position:relative}
.hero__media img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero__chip{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.95);border-radius:10px;padding:10px 16px;font-size:.85rem;box-shadow:var(--shadow)}
.hero__chip strong{display:block;color:var(--ink);font-size:1rem}

/* ---------- sections ---------- */
.section{padding:70px 0}
.section--paper{background:var(--paper)}
.section--ink{background:var(--ink);color:#dbe3ee}
.section--ink h2,.section--ink h3{color:#fff}
.sec-head{max-width:720px;margin-bottom:42px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--green);margin:0 0 10px}
.lead{font-size:1.06rem;color:var(--muted)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:24px}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:.18s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d8d0c3}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:14px}
.card .more{margin-top:auto;font-weight:600;font-size:.9rem}
.card__ic{width:46px;height:46px;border-radius:11px;background:#edf3f1;color:var(--green-d);display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px}
.card img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;margin-bottom:18px}
.card--paper{background:var(--paper)}
.badge-tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  background:#e9f1ee;color:var(--green-d);padding:4px 10px;border-radius:6px;margin-bottom:12px}

/* feature rows */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:64px}
.feature:last-child{margin-bottom:0}
.feature:nth-child(even) .feature__media{order:2}
.feature__media img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.feature ul{padding-left:0;list-style:none;margin:0 0 18px}
.feature li{padding-left:28px;position:relative;margin-bottom:10px}
.feature li::before{content:"\2713";position:absolute;left:0;top:0;color:var(--green);font-weight:700}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:inline-flex;
  font-family:Georgia,serif;font-size:1.1rem;color:var(--green-d);border:1.5px solid var(--green);
  width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{font-size:.88rem;color:var(--muted);margin:0}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.93rem;min-width:560px}
table.data th{background:var(--ink);color:#fff;text-align:left;padding:13px 18px;font-weight:600;white-space:nowrap}
table.data td{padding:13px 18px;border-bottom:1px solid var(--line);vertical-align:top}
table.data tr:last-child td{border-bottom:0}
table.data tr:nth-child(even) td{background:var(--paper)}

/* CTA band */
.cta-band{background:var(--green-d);color:#e9f1ee;padding:64px 0}
.cta-band__inner{text-align:center;max-width:720px}
.cta-band h2{color:#fff}
.cta-band p{color:#cfe0da;font-size:1.05rem}
.cta-band__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:10px}

/* contact chips */
.contact-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:.84rem;padding:8px 14px;border-radius:999px;font-weight:500}
.chip--wa{background:#eafaf1;color:#0b6b46}
.chip--wx{background:#eef9f0;color:#075e54}
.chip--mail{background:#eef2f6;color:var(--ink)}
.chip__ic{font-size:1rem}

/* FAQ */
.faq__list{max-width:840px}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq__item summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1rem}
.faq__item summary::-webkit-details-marker{display:none}
.faq__icon{width:14px;height:14px;position:relative;flex-shrink:0}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--green-d);transition:.2s}
.faq__icon::before{top:6px;left:0;width:14px;height:2px}
.faq__icon::after{top:0;left:6px;width:2px;height:14px}
.faq__item[open] .faq__icon::after{transform:scaleY(0)}
.faq__body{padding:0 22px 20px;color:var(--muted);font-size:.95rem}
.faq__body a{font-weight:600}

/* forms */
.rfq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:start}
.rfq-side{background:var(--ink);color:#dbe3ee;border-radius:var(--radius);padding:34px}
.rfq-side h2{color:#fff;font-size:1.4rem}
.rfq-side p,.rfq-side li{color:#aebacb;font-size:.93rem}
.rfq-side ul{padding-left:18px}
.rfq-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fld{display:flex;flex-direction:column;font-size:.86rem;font-weight:600;color:var(--ink);gap:7px;margin-bottom:16px}
.fld input,.fld select,.fld textarea{font-weight:400;font-size:.95rem;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:9px;color:var(--text);background:#fff;font-family:inherit;width:100%}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--green);outline:0;box-shadow:0 0 0 3px rgba(30,90,74,.12)}
.fld textarea{resize:vertical}
.req{color:var(--danger)}
.hpot{position:absolute;left:-9999px;height:0;overflow:hidden}
.form-privacy{font-size:.8rem;color:var(--muted);margin:4px 0 16px}
.form-status{margin-top:14px;font-weight:600;min-height:1.4em}
.form-status.ok{color:var(--green-d)}
.form-status.err{color:var(--danger)}
.form-status button{margin-top:6px}

/* article / prose */
.prose{font-size:1.02rem}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.5em}
.prose ul li,.prose ol li{margin-bottom:.5em}
.prose img{border-radius:var(--radius);margin:1.6em 0}
.prose blockquote{border-left:4px solid var(--green);background:var(--paper);margin:1.5em 0;padding:16px 22px;border-radius:0 10px 10px 0;color:var(--ink)}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:20px 26px;margin:0 0 34px}
.toc h2{font-size:1rem;margin-bottom:10px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:40px}
.toc a{font-size:.92rem}
.article-head{padding:50px 0 8px}
.article-meta{color:var(--muted);font-size:.86rem;margin-bottom:8px}
.related-grid{margin-top:44px}

/* blog cards */
.post-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text)}
.post-card:hover{text-decoration:none;box-shadow:var(--shadow);transform:translateY(-3px)}
.post-card img{aspect-ratio:16/9;object-fit:cover}
.post-card__body{padding:22px}
.post-card__meta{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.post-card h3{font-size:1.06rem;margin-bottom:8px}
.post-card p{font-size:.9rem;color:var(--muted);margin:0}

/* fact strip */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fact{border:1px solid var(--line);border-radius:12px;padding:22px;background:#fff;min-width:0}
.fact dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.fact dd{margin:0;font-weight:700;color:var(--ink);font-size:1.05rem}

/* generic content page hero */
.page-hero{background:var(--paper);padding:54px 0 44px;border-bottom:1px solid var(--line)}
.page-hero h1{max-width:820px}
.page-hero .lead{max-width:760px}
.page-hero__actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.img-note{font-size:.78rem;color:#9a8f7c;margin-top:8px;font-style:italic}
.post-hero{background:var(--paper);padding:50px 0 36px;border-bottom:1px solid var(--line)}
.post-hero h1{max-width:840px}
.post-meta{font-size:.86rem;color:var(--muted);margin-top:14px}
.post-nav{margin-top:8px;font-size:.9rem}
.post-nav a{font-weight:600}

/* footer */
.site-footer{background:var(--ink);color:#aab6c6;padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
.f-col h3{color:#fff;font-size:.88rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.f-col ul{list-style:none;margin:0;padding:0}
.f-col li{margin-bottom:9px;font-size:.9rem}
.f-col a{color:#aab6c6}
.f-col a:hover{color:#fff}
.logo-footer{font-size:1.3rem;color:#fff !important}
.f-col .contact-chips .chip{font-size:.78rem;padding:6px 11px}
.f-col .chip--wa{background:#173a2c;color:#7dd9ad}
.f-col .chip--wx{background:#14352c;color:#87e0a4}
.f-col .chip--mail{background:#1d2c40;color:#c4cdd9}
.f-contact li{color:#aab6c6}
.footer-bottom{border-top:1px solid #1f3249}
.footer-bottom__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0;font-size:.82rem}
.footer-bottom p{margin:0}
.legal-links{list-style:none;display:flex;gap:20px;margin:0;padding:0}

/* error page */
.error-page{background:var(--paper)}
.error-wrap{max-width:620px;margin:0 auto;text-align:center;padding:110px 24px}
.error-code{font-family:Georgia,serif;font-size:5rem;color:var(--green);margin:0}
.error-links{list-style:none;padding:0;margin:24px 0 30px;display:grid;gap:8px}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .facts{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .f-col--brand{grid-column:1/-1}
}
@media (max-width:960px){
  .nav-wrap{display:none}
  .nav-toggle{display:flex}
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .feature{grid-template-columns:1fr;gap:28px;margin-bottom:48px}
  .feature:nth-child(even) .feature__media{order:0}
  .g-3,.g-2{grid-template-columns:1fr}
  .rfq-wrap{grid-template-columns:1fr}
  .toc ol{columns:1}
  .topbar__msg{display:none}
}
@media (max-width:600px){
  .form-grid{grid-template-columns:1fr}
  .g-4,.steps,.facts{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .hero{padding:44px 0}
  .topbar__links{gap:12px;font-size:.76rem}
}