/* Shiganpai Technology Co., Ltd. — site-wide styles */

:root{
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --accent:#1d4ed8;
  --accent-2:#3b82f6;
  --accent-soft:#eff6ff;
  --radius:12px;
  --max:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------------- header ---------------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.94);
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(8px);
}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:11px;color:inherit}
.brand:hover{text-decoration:none}
.mark{
  width:36px;height:36px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;
}
.brand-text strong{display:block;font-size:14.5px;font-weight:650;letter-spacing:.1px;color:var(--ink)}
.brand-text span{display:block;font-size:11px;color:var(--muted);letter-spacing:.3px}
.site-nav{display:flex;align-items:center;gap:28px;font-size:13.5px}
.site-nav a{color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--accent);text-decoration:none;border-bottom-color:var(--accent-soft)}
.site-nav a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
@media (max-width:820px){
  .header-bar{height:auto;padding:14px 0;flex-wrap:wrap;gap:12px}
  .site-nav{gap:18px;flex-wrap:wrap;font-size:13px}
}

/* ---------------- hero ---------------- */
.hero{
  padding:82px 0 74px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(920px 380px at 78% -10%, #e8effd 0, rgba(232,239,253,0) 62%),
    radial-gradient(700px 320px at 6% 0, #f1f5f9 0, rgba(241,245,249,0) 58%);
}
.hero.compact{padding:56px 0 46px}
.eyebrow{
  display:inline-block;font-size:11.5px;font-weight:650;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:22px;
}
h1{font-size:clamp(27px,4.1vw,40px);line-height:1.26;font-weight:680;letter-spacing:-.4px;max-width:21em}
h1 .zh{display:block;font-size:.46em;font-weight:500;color:var(--muted);margin-top:14px;letter-spacing:.3px}
.lede{margin-top:24px;font-size:15.5px;color:var(--ink-2);max-width:48em}

/* ---------------- sections ---------------- */
.section{padding:70px 0}
.section.tight{padding:52px 0}
.section + .section{border-top:1px solid var(--line)}
.section.soft{background:var(--bg-soft)}
h2{font-size:21px;font-weight:660;letter-spacing:-.15px;margin-bottom:8px}
h2 .zh{font-size:13px;font-weight:500;color:var(--muted);margin-left:10px}
.kicker{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.3px;margin-bottom:28px}
h3{font-size:15px;font-weight:650;margin-bottom:7px}
p.body{font-size:15px;color:var(--ink-2);max-width:56em}
p.body + p.body{margin-top:15px}
p.body + h3{margin-top:26px}

/* ---------------- cards ---------------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
@media (max-width:880px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}
.card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;background:var(--bg);
}
.card.soft{background:var(--bg-soft)}
.card .icon{
  width:36px;height:36px;border-radius:9px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card .icon svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.card .zh{display:block;font-size:11.5px;color:var(--muted);margin-bottom:10px;letter-spacing:.2px}
.card p{font-size:13.8px;color:var(--ink-2);line-height:1.68}
.card ul{margin-top:12px;padding-left:18px}
.card li{font-size:13.6px;color:var(--ink-2);margin-bottom:7px}

/* ---------------- stats strip ---------------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin-top:36px;background:var(--bg);
}
.stat{padding:22px 20px;text-align:center}
.stat + .stat{border-left:1px solid var(--line)}
.stat .num{font-size:23px;font-weight:680;letter-spacing:-.3px;color:var(--ink)}
.stat .lbl{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:4px}
@media (max-width:720px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}

/* ---------------- facts table ---------------- */
.facts{margin-top:32px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg)}
.row{display:grid;grid-template-columns:220px 1fr;font-size:14px}
.row + .row{border-top:1px solid var(--line)}
.row dt{
  padding:15px 22px;background:var(--bg-soft);color:var(--muted);
  font-size:13px;border-right:1px solid var(--line);
}
.row dd{padding:15px 22px;color:var(--ink)}
@media (max-width:640px){
  .row{grid-template-columns:1fr}
  .row dt{border-right:none;border-bottom:1px solid var(--line);padding-bottom:7px}
  .row dd{padding-top:9px}
}

/* ---------------- process list ---------------- */
.steps{margin-top:34px;display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:44px 1fr;gap:18px;align-items:start;
  border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;background:var(--bg);
}
.step .n{
  width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.step h3{margin-bottom:4px}
.step p{font-size:13.8px;color:var(--ink-2)}

/* ---------------- marketplace list ---------------- */
.markets{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:var(--bg);
  border-radius:999px;padding:8px 16px;font-size:13.5px;color:var(--ink-2);font-weight:500;
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2)}

/* ---------------- contact ---------------- */
.contact-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;background:var(--bg-soft);max-width:560px;margin-top:30px;
}
.contact-card .lbl{font-size:11.5px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:6px}
.contact-card .val{font-size:18px;font-weight:650}
.contact-card .note{font-size:13.2px;color:var(--muted);margin-top:14px;line-height:1.65}

/* ---------------- prose (legal pages) ---------------- */
.prose{max-width:820px;padding:58px 0 74px}
.prose h1{font-size:30px;letter-spacing:-.3px;margin-bottom:10px}
.prose .meta{font-size:13px;color:var(--muted);margin-bottom:38px}
.prose h2{font-size:16.5px;font-weight:660;margin:36px 0 12px}
.prose h2:first-of-type{margin-top:0}
.prose p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px}
.prose ul{margin:0 0 16px 0;padding-left:22px}
.prose li{font-size:14.5px;color:var(--ink-2);margin-bottom:9px}
.callout{
  border:1px solid var(--line);background:var(--bg-soft);
  border-radius:10px;padding:20px 22px;margin:22px 0;
}
.callout p:last-child{margin-bottom:0}

/* ---------------- CTA band ---------------- */
.cta-band{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--accent-soft);padding:34px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{margin-bottom:4px}
.cta-band p{font-size:14px;color:var(--ink-2)}
.btn{
  display:inline-block;background:var(--accent);color:#fff;
  padding:11px 22px;border-radius:8px;font-size:14px;font-weight:600;
}
.btn:hover{background:#1e40af;text-decoration:none}

/* ---------------- footer ---------------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:44px 0 34px;font-size:13px;color:var(--muted)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:34px}
@media (max-width:860px){.footer-top{grid-template-columns:1fr 1fr}}
.footer-top h4{font-size:12px;font-weight:650;color:var(--ink-2);text-transform:uppercase;letter-spacing:1.1px;margin-bottom:12px}
.footer-top a{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.footer-top a:hover{color:var(--accent)}
.footer-about{font-size:13px;color:var(--muted);max-width:32em;line-height:1.7}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;
}

/* ---------------- hero with illustration ---------------- */
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:30px}}
.hero-art{width:100%;max-width:440px;margin-left:auto}
@media (max-width:900px){.hero-art{margin:0 auto}}

/* ---------------- product / category figures ---------------- */
.figure{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,#f8fafc 0%,#ffffff 100%);
  padding:20px 18px;margin-bottom:18px;
}
.figure svg{width:100%;height:auto;max-height:190px}
.figure figcaption{
  font-size:11.5px;color:var(--muted);text-align:center;
  margin-top:8px;letter-spacing:.3px;
}

/* ---------------- market cards ---------------- */
.market-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
@media (max-width:820px){.market-grid{grid-template-columns:repeat(2,1fr)}}
.market-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 16px;background:var(--bg);text-align:center;
}
.market-card .mi{
  width:40px;height:40px;border-radius:10px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px;
}
.market-card .mi svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.market-card .nm{font-size:13.5px;font-weight:600}
.market-card .ds{font-size:12px;color:var(--muted);margin-top:3px}

/* ---------------- FAQ ---------------- */
.faq{margin-top:30px;display:grid;gap:10px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:0 20px}
.faq details[open]{background:var(--bg-soft)}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 0;font-size:14.5px;font-weight:600;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:400;font-size:19px;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 0 16px;font-size:14px;color:var(--ink-2);max-width:60em}
.faq .a p{margin-bottom:10px}
.faq .a p:last-child{margin-bottom:0}

/* ---------------- contact methods ---------------- */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}
.contact-method{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--bg)}
.contact-method .lbl{font-size:11.5px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:6px}
.contact-method .val{font-size:17px;font-weight:650;word-break:break-word}
.contact-method .note{font-size:13px;color:var(--muted);margin-top:10px}

/* ---------------- notices & check lists ---------------- */
.notice{border:1px solid #bfdbfe;background:#eff6ff;border-radius:10px;padding:16px 18px;font-size:13.5px;color:#1e3a8a;margin:20px 0}
.notice strong{font-weight:650}
.check-list{list-style:none;margin:16px 0 0;padding:0}
.check-list li{position:relative;padding-left:26px;font-size:14px;color:var(--ink-2);margin-bottom:10px}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:13px;height:7px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}

/* ---------------- policy tables ---------------- */
.table-wrap{overflow-x:auto;margin-top:22px;border:1px solid var(--line);border-radius:var(--radius)}
table.policy{width:100%;border-collapse:collapse;font-size:13.8px}
table.policy th,table.policy td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.policy th{
  background:var(--bg-soft);font-weight:600;color:var(--ink-2);
  font-size:12.5px;text-transform:uppercase;letter-spacing:.6px;
}
table.policy tr:last-child td{border-bottom:none}

/* ---------------- 404 ---------------- */
.center-page{min-height:56vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:76px 24px}
.center-page .big{font-size:66px;font-weight:700;color:var(--accent);letter-spacing:-2px;line-height:1}
.center-page h1{font-size:24px;margin:16px 0 10px;max-width:none}
.center-page p{color:var(--muted);font-size:14.5px;max-width:34em;margin:0 auto 24px}

/* ---------------- product gallery (photographs) ---------------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.product-grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.product-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.product-grid,.product-grid.cols-2{grid-template-columns:1fr}}

.product-card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg);overflow:hidden;display:flex;flex-direction:column;
}
.product-card .photo{
  background:#f8fafc;padding:16px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;aspect-ratio:1 / 1;
}
.product-card .photo img{width:100%;height:100%;object-fit:contain}
.product-card .body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.product-card .tag{
  font-size:10.5px;letter-spacing:.9px;text-transform:uppercase;
  color:var(--accent);font-weight:650;margin-bottom:8px;
}
.product-card h3{font-size:14.5px;margin-bottom:6px}
.product-card p{font-size:13.4px;color:var(--ink-2);line-height:1.65}
.product-card .specs{
  margin-top:14px;padding-top:13px;border-top:1px solid var(--line);
  display:grid;gap:6px;
}
.product-card .specs div{display:flex;justify-content:space-between;gap:14px;font-size:12.5px}
.product-card .specs span:first-child{color:var(--muted)}
.product-card .specs span:last-child{color:var(--ink);font-weight:550;text-align:right}
.photo-note{
  margin-top:22px;font-size:12.5px;color:var(--muted);max-width:60em;
}
.product-grid.cols-1{grid-template-columns:minmax(0,440px)}
@media (max-width:620px){.product-grid.cols-1{grid-template-columns:1fr}}
.figure img{
  width:100%;height:auto;max-height:240px;object-fit:contain;margin:0 auto;
}