/* =====================================================================
   Site C 鈥?CHUANGSU Wholesale (bulk / dealer pricing)
   Palette: deep green / slate gray / lime accent 路 compact commerce
   ===================================================================== */
:root {
  --green: #1e5c46;
  --green-2: #2a7a5c;
  --lime: #a3d637;
  --ink: #23282d;
  --muted: #66707a;
  --line: #dde3e0;
  --bg: #f6f8f7;
  --paper: #fff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.62; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-2); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 22px; }

/* utility bar */
.ubar { background: var(--ink); color: #aeb6bd; font-size: 13px; }
.ubar .container { display: flex; justify-content: space-between; padding: 7px 22px; gap: 14px; flex-wrap: wrap; }
.ubar b { color: var(--lime); }

/* header */
header.site { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img.logo { height: 40px; width: auto; }
.brand .name { font-size: 20px; font-weight: 800; color: var(--ink); line-height: 1.05; }
.brand .name span { color: var(--green); }
.brand .name small { display: block; font-size: 10px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
nav.main ul { list-style: none; display: flex; gap: 24px; align-items: center; }
nav.main a { font-size: 14.5px; font-weight: 600; color: var(--ink); padding: 6px 2px; border-bottom: 2px solid transparent; }
nav.main a:hover, nav.main a.active { color: var(--green); border-bottom-color: var(--lime); }
nav.main .cta { background: var(--green); color: #fff; padding: 9px 18px; border-radius: 3px; }
nav.main .cta:hover { background: var(--green-2); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); padding: 8px 12px; cursor: pointer; font-size: 18px; }

/* hero */
.hero { background: linear-gradient(120deg, rgba(30,92,70,.94), rgba(42,122,92,.82)), center/cover; color: #fff; padding: 72px 0; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 46px; align-items: center; }
.hero .pill { display: inline-block; background: var(--lime); color: #1c3a2c; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; padding: 5px 12px; border-radius: 2px; margin-bottom: 16px; }
.hero h1 { font-size: clamp(28px, 4vw, 46px); line-height: 1.15; margin-bottom: 16px; }
.hero p { font-size: 17px; color: #d7e8de; max-width: 56ch; margin-bottom: 28px; }
.hero .btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .quote-card { background: var(--paper); color: var(--ink); border-radius: 6px; padding: 24px; box-shadow: 0 24px 48px -24px rgba(0,0,0,.4); }
.hero .quote-card h3 { font-size: 17px; margin-bottom: 10px; }
.hero .quote-card ul { list-style: none; }
.hero .quote-card li { font-size: 14px; color: var(--muted); padding: 5px 0 5px 22px; position: relative; }
.hero .quote-card li::before { content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 800; }

/* buttons */
.btn { display: inline-block; padding: 13px 28px; font-weight: 700; font-size: 15px; border-radius: 3px; transition: .2s; }
.btn.green { background: var(--green); color: #fff; }
.btn.green:hover { background: var(--green-2); color: #fff; }
.btn.lime { background: var(--lime); color: #1c3a2c; }
.btn.lime:hover { filter: brightness(.95); color: #1c3a2c; }
.btn.ghost { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn.ghost:hover { border-color: var(--green); color: var(--green); }
.btn.wghost { border: 1.5px solid rgba(255,255,255,.7); color: #fff; }
.btn.wghost:hover { background: #fff; color: var(--green); }

/* value band */
.values { background: var(--paper); border-bottom: 1px solid var(--line); }
.values .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.value { padding: 24px 20px; border-left: 1px solid var(--line); }
.value:first-child { border-left: 0; }
.value .t { font-weight: 800; font-size: 15px; margin-bottom: 4px; color: var(--green); }
.value p { font-size: 13.5px; color: var(--muted); }

/* sections */
section.block { padding: 68px 0; }
.s-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 34px; flex-wrap: wrap; }
.s-head .kicker { color: var(--green-2); font-size: 12.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.s-head h2 { font-size: clamp(23px, 2.8vw, 32px); margin-top: 4px; }
.s-head p { color: var(--muted); max-width: 70ch; margin-top: 6px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; display: flex; flex-direction: column; transition: .22s; }
.card:hover { border-color: var(--green-2); box-shadow: 0 14px 30px -20px rgba(30,92,70,.5); }
.card .ph { aspect-ratio: 1; background: #eef2f0; }
.card .ph img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.card h3 { font-size: 14.5px; line-height: 1.45; }
.card h3 a { color: var(--ink); }
.card h3 a:hover { color: var(--green); }
.card .price { font-size: 19px; font-weight: 800; color: var(--green); }
.card .moq { font-size: 12.5px; color: var(--muted); }
.card .tagrow { margin-top: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.tag { background: #e9f2ec; color: var(--green); font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 2px; }

/* breadcrumb / page head */
.crumb { font-size: 13px; color: var(--muted); padding: 18px 0 0; }
.crumb a { color: var(--muted); }
.page-head { padding: 20px 0 32px; }
.page-head h1 { font-size: clamp(25px, 3vw, 36px); }
.page-head p { color: var(--muted); max-width: 74ch; margin-top: 8px; }

/* product detail */
.pd { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 36px; padding-bottom: 56px; }
.gallery .main { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; }
.gallery .main img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.gallery .thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 10px; }
.gallery .thumbs img { aspect-ratio: 1; object-fit: cover; border: 1px solid var(--line); border-radius: 4px; cursor: pointer; opacity: .7; }
.gallery .thumbs img:hover, .gallery .thumbs img.cur { opacity: 1; border-color: var(--green); }
.pd-info h1 { font-size: clamp(21px, 2.3vw, 28px); line-height: 1.32; }
.pd-price { font-size: 30px; font-weight: 800; color: var(--green); margin: 10px 0 2px; }
.pd-price small { font-size: 14.5px; color: var(--muted); font-weight: 600; }
.deal-box { border: 1px solid var(--line); border-radius: 6px; background: #fff; padding: 18px; margin: 16px 0; }
.deal-box .row { display: flex; justify-content: space-between; padding: 7px 0; font-size: 14px; border-bottom: 1px dashed var(--line); }
.deal-box .row:last-child { border-bottom: 0; }
.deal-box .row b { text-align: right; }
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 18px; }
.variants .sw { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); padding: 5px 11px 5px 5px; margin: 0 8px 8px 0; background: #fff; border-radius: 4px; font-size: 13px; }
.variants .sw img { width: 26px; height: 26px; object-fit: cover; border-radius: 3px;  cursor: pointer; transition: transform .15s; cursor: pointer; transition: transform .15s; }
.variants .sw img:hover { transform: scale(1.12); }
.variants .sw img.cur { outline: 2px solid var(--green-2); outline-offset: 1px; }
.desc-section h2 { font-size: 23px; margin: 32px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--lime); display: inline-block; }
.desc-section .bullets { list-style: none; margin: 12px 0; }
.desc-section .bullets li { padding-left: 24px; position: relative; margin-bottom: 9px; color: #3c4349; }
.desc-section .bullets li::before { content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.desc-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
.desc-imgs img { border: 1px solid var(--line); border-radius: 6px; }

/* tables */
table.attrs { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; border-radius: 6px; overflow: hidden; }
table.attrs th, table.attrs td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; vertical-align: top; }
table.attrs th { background: #e9f2ec; width: 30%; color: var(--green); }

/* faq */
details.faq { background: #fff; border: 1px solid var(--line); border-radius: 6px; margin-bottom: 10px; overflow: hidden; }
details.faq summary { cursor: pointer; padding: 15px 18px; font-weight: 700; list-style: none; position: relative; padding-right: 40px; }
details.faq summary::after { content: '+'; position: absolute; right: 16px; color: var(--green-2); font-size: 22px; font-weight: 400; }
details.faq[open] summary::after { content: '\2212'; }
details.faq .a { padding: 0 18px 15px; color: var(--muted); }

/* form */
.form-wrap { display: grid; grid-template-columns: 5fr 7fr; gap: 36px; }
.info-card { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 26px; }
.info-card h3 { margin-bottom: 12px; }
.info-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 10px; }
form.inquiry { background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--green); border-radius: 6px; padding: 28px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 6px; }
.field label .req { color: #c0392b; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--line); background: #fbfcfb; padding: 11px 13px; font: inherit; border-radius: 4px; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--green-2); outline-offset: -1px; }
.field textarea { min-height: 130px; resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hp { position: absolute; left: -9999px; }
.err-note { background: #fdecea; border-left: 4px solid #c0392b; color: #7a2e2a; padding: 10px 14px; margin-bottom: 14px; font-size: 14px; border-radius: 3px; }

/* pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 36px 0 8px; }
.pagination a, .pagination span { border: 1px solid var(--line); background: #fff; min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; border-radius: 4px; }
.pagination .cur { background: var(--green); border-color: var(--green); color: #fff; }

/* footer */
footer.site { background: #1b2622; color: #a3b3aa; margin-top: 72px; }
footer.site .cols { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 32px; padding: 46px 0 34px; }
footer.site h4 { color: #fff; margin-bottom: 12px; font-size: 15px; }
footer.site a { color: #a3b3aa; display: block; padding: 3px 0; font-size: 14px; }
footer.site a:hover { color: var(--lime); }
footer.site .legal { border-top: 1px solid #2c3a33; padding: 16px 0; font-size: 12.5px; color: #74857c; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .values .container { grid-template-columns: 1fr 1fr; }
  .value:nth-child(3) { border-left: 0; }
  .pd, .form-wrap { grid-template-columns: 1fr; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
  nav.main { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
  body.nav-open nav.main { display: block; }
  nav.main ul { flex-direction: column; gap: 0; padding: 10px 22px; align-items: stretch; }
  nav.main ul li a { display: block; padding: 11px 0; }
  nav.main .cta { display: inline-block; margin: 8px 0; text-align: center; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .cards, .grid2, .desc-imgs { grid-template-columns: 1fr; }
  .gallery .thumbs { grid-template-columns: repeat(4, 1fr); }
}