:root{
  --bg:#0a0a0a; --bg2:#101010; --card:#161616; --line:#262626;
  --yel:#FFD200; --yel2:#FFB800; --ink:#f5f5f5; --mid:#9c9c9c;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);
  font:17px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.86);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:58px}
.logo{font-weight:900;letter-spacing:-.02em;font-size:19px;color:#fff}
.logo span{color:var(--yel)}
.nav a.lk{font-size:14.5px;color:var(--mid);font-weight:600}
.nav a.lk:hover{color:var(--yel)}
.nav .sp{flex:1}
.nav .cta{background:var(--yel);color:#000;font-weight:800;font-size:14.5px;
  padding:9px 16px;border-radius:999px;white-space:nowrap}
@media(max-width:640px){.nav a.lk{display:none}}

/* hero */
header{padding:64px 0 30px}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.22em;color:var(--yel);margin-bottom:18px}
h1{font-size:clamp(46px,7.4vw,88px);line-height:.98;letter-spacing:-.035em;font-weight:900}
h1 .y{color:var(--yel)}
.lead{margin-top:22px;font-size:clamp(17px,2vw,21px);color:#cfcfcf;max-width:34em}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-block;padding:15px 26px;border-radius:999px;font-weight:800;font-size:16.5px}
.btn.y{background:var(--yel);color:#000}
.btn.o{border:2px solid var(--line);color:var(--ink)}
.btn:hover{transform:translateY(-2px)}
.btn{transition:transform .18s ease}
.hero img{width:100%;border-radius:20px;border:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:34px}
.stats div{background:var(--bg2);border:1px solid var(--line);border-radius:12px;
  padding:12px 16px}
.stats b{display:block;font-size:26px;font-weight:900;letter-spacing:-.02em;color:var(--yel)}
.stats span{font-size:12.5px;color:var(--mid)}
@media(max-width:820px){.hero{grid-template-columns:1fr}.hero img{order:-1;max-height:46vh;object-fit:cover;width:100%}}

/* sections */
section{padding:78px 0;scroll-margin-top:70px}
h2{font-size:clamp(32px,4.6vw,52px);font-weight:900;letter-spacing:-.03em;line-height:1.05}
.kick{font-size:13px;font-weight:800;letter-spacing:.2em;color:var(--yel);margin-bottom:14px}
.sub2{color:var(--mid);font-size:18px;margin-top:14px;max-width:36em}

/* products */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.pc{display:block;background:#fff;border-radius:16px;overflow:hidden;transition:transform .2s ease}
.pc:hover{transform:translateY(-4px)}
.pc img{width:100%;aspect-ratio:1/1;object-fit:contain;padding:18px;background:#fff}
.pc .t{padding:16px 18px 20px;background:#fff;color:#111}
.pc .t b{display:block;font-size:18px;font-weight:800;letter-spacing:-.01em}
.pc .t span{font-size:14px;color:#555}
.also{margin-top:26px;color:var(--mid);font-size:15.5px}
.also b{color:var(--ink)}
.dl{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.dl a{border:1.5px solid var(--line);border-radius:999px;padding:10px 18px;
  font-size:14.5px;color:var(--mid);font-weight:600;transition:border-color .18s,color .18s}
.dl a b{color:var(--ink);font-weight:800}
.dl a:hover{border-color:var(--yel)}
.dl a:hover,.dl a:hover b{color:var(--yel)}
@media(max-width:820px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.grid{grid-template-columns:1fr 1fr;gap:10px}
  .pc .t b{font-size:15.5px}.pc .t span{font-size:12.5px}}

/* plant */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:36px}
.split img{border-radius:18px;border:1px solid var(--line)}
.rows .r{display:flex;justify-content:space-between;gap:14px;padding:14px 4px;border-bottom:1px solid var(--line)}
.rows .r:first-child{border-top:1px solid var(--line)}
.rows b{font-weight:800;font-size:17px}
.rows span{color:var(--mid);font-size:15px;text-align:right}
.src{color:#6f6f6f;font-size:13px;margin-top:16px}
@media(max-width:820px){.split{grid-template-columns:1fr}}

/* verify */
.band{background:var(--yel);color:#000;border-radius:22px;padding:46px 40px;margin-top:36px}
.band h3{font-size:clamp(26px,3.4vw,38px);font-weight:900;letter-spacing:-.025em;line-height:1.08}
.band .c{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 30px;margin-top:26px}
.band .c div{font-size:15.5px;padding:9px 0;border-bottom:1.5px solid rgba(0,0,0,.18)}
.band .c b{font-weight:900}
.band .code{margin-top:22px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:15px;font-weight:700;letter-spacing:.02em}
.band .gsline{margin-top:14px;font-size:14px;line-height:1.65;color:#4a3800;max-width:52em}
.band .gsline b{font-weight:900;color:#000}
.band .gsline a{color:#000;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.band .gsline a:hover{opacity:.7}
@media(max-width:700px){.band{padding:32px 22px}.band .c{grid-template-columns:1fr}}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.cb{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.cb .k{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--yel);margin-bottom:10px}
.cb .v{font-size:22px;font-weight:800;letter-spacing:-.01em}
.cb .n{color:var(--mid);font-size:14.5px;margin-top:8px}
.cb.yl{background:var(--yel);color:#000;border-color:var(--yel)}
.cb.yl .k{color:#7a5c00}
.cb.yl .n{color:#5c4700}
@media(max-width:700px){.contact{grid-template-columns:1fr}}

/* visit */
.visit{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:34px}
.visit img{border-radius:18px;border:1px solid var(--line)}
.visit p{color:#cfcfcf;font-size:17px}
.visit .addr{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px;
  color:var(--yel);margin-top:14px;line-height:1.6}
@media(max-width:820px){.visit{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding:34px 0 44px;color:#6f6f6f;font-size:13.5px}
footer b{color:#bdbdbd}


/* ── 多页站公共组件（2026-10-09 追加）───────────────────────── */
.crumb{font-size:13px;color:#6f6f6f;padding:22px 0 0}
.crumb a{color:var(--mid)}
.crumb a:hover{color:var(--yel)}
.crumb span{margin:0 7px;color:#454545}

.pagehead{padding:34px 0 8px}
.pagehead h1{font-size:clamp(34px,5.4vw,60px);font-weight:900;letter-spacing:-.03em;line-height:1.04}
.pagehead .d{color:var(--mid);font-size:18px;margin-top:14px;max-width:40em}

.prose{max-width:44em}
.prose p{color:#d6d6d6;font-size:17px;margin-top:16px}
.prose h3{font-size:22px;font-weight:800;margin-top:34px;letter-spacing:-.01em}
.prose ul{margin-top:14px;padding-left:20px;color:#d6d6d6}
.prose li{margin-top:8px;font-size:16.5px}
.prose strong{color:#fff}

.note{border-left:3px solid var(--yel);background:var(--bg2);padding:16px 20px;
  border-radius:0 12px 12px 0;margin-top:26px;color:#cfcfcf;font-size:15.5px}
.note b{color:var(--yel)}

/* FAQ */
.faq{margin-top:34px;border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line);padding:22px 0}
.qa h3{font-size:19.5px;font-weight:800;letter-spacing:-.01em;color:#fff}
.qa p{margin-top:10px;color:#c9c9c9;font-size:16.5px;max-width:44em}
.qa .meta{font-size:12.5px;color:#6f6f6f;margin-top:8px}

/* 规格表 */
.spec{margin-top:28px;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.spec .row{display:grid;grid-template-columns:minmax(150px,.4fr) 1fr;gap:0}
.spec .row>div{padding:14px 18px;border-bottom:1px solid var(--line);font-size:15.5px}
.spec .row>div:first-child{color:var(--mid);background:var(--bg2);font-weight:600}
.spec .row:last-child>div{border-bottom:0}
@media(max-width:560px){.spec .row{grid-template-columns:1fr}.spec .row>div:first-child{padding-bottom:0;border-bottom:0}}

/* 卡片列表 */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:30px}
.cd{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.cd b{display:block;font-size:17px;font-weight:800;margin-bottom:8px}
.cd span{color:var(--mid);font-size:15px}
@media(max-width:700px){.cards{grid-template-columns:1fr}}

/* 页脚导航 */
.footnav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:12px}
.footnav a{color:#9c9c9c;font-size:13.5px}
.footnav a:hover{color:var(--yel)}

/* ══ 公司 Logo（2026-10-09 放大、加白底衬板，深色页面才看得清）══ */
.logo{display:inline-flex;align-items:center;background:#fff;border-radius:10px;
  padding:7px 12px;line-height:0;transition:transform .18s ease}
.logo:hover{transform:scale(1.03)}
.logo img{height:26px;width:auto;display:block}
.footlogo{display:inline-block;background:#fff;border-radius:14px;padding:16px 22px;margin-bottom:20px}
.footlogo img{height:60px;width:auto;display:block}
@media(max-width:820px){
  .logo{padding:6px 9px}.logo img{height:22px}
  .footlogo{padding:12px 16px}.footlogo img{height:44px}
}

/* ══ 大类目 + 小类（2026-10-09：主打品置顶，不按字母序）══ */
.catgroup{margin-top:40px}
.cathead{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  padding-bottom:14px;border-bottom:2px solid var(--yel)}
.cathead .num{font-size:34px;font-weight:900;color:var(--yel);letter-spacing:-.04em;line-height:1}
.cathead h3{font-size:clamp(21px,2.7vw,30px);font-weight:900;letter-spacing:-.02em}
.cathead h3 em{font-style:normal;color:var(--mid);font-weight:700;font-size:.62em}
.cathead .cnt{margin-left:auto;font-size:13px;color:var(--mid);font-weight:700;letter-spacing:.1em}
.catnote{color:var(--mid);font-size:15px;margin-top:12px;max-width:44em}

.grid4{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:22px}
.grid4>figure{flex:0 0 250px;max-width:250px}
@media(max-width:960px){
  .grid4>figure{flex:0 0 230px;max-width:230px}
}
@media(max-width:700px){
  .grid4{gap:12px}
  .grid4>figure{flex:1 1 calc(50% - 6px);max-width:none}
}

figure.pc{margin:0}
figure.pc figcaption{padding:14px 16px 18px;background:#fff;color:#111}
figure.pc figcaption b{display:block;font-size:16.5px;font-weight:800;letter-spacing:-.01em}
figure.pc figcaption span{font-size:13.5px;color:#555}
.hd{display:inline-block;font-size:11px;font-weight:900;letter-spacing:.1em;
  background:#0a0a0a;color:var(--yel);border-radius:4px;padding:2px 7px;margin-bottom:8px}

/* ══ 定制能力四卡 ══ */
.capgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.cap{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.cap .ic{font-size:26px;line-height:1;margin-bottom:12px}
.cap b{display:block;font-size:17px;font-weight:900;margin-bottom:8px}
.cap span{color:var(--mid);font-size:14.5px}
.cap em{display:block;font-style:normal;color:var(--yel);font-size:13px;
  font-weight:800;margin-top:10px;letter-spacing:.04em}
@media(max-width:960px){.capgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.capgrid{grid-template-columns:1fr}}

/* ══ 交易条款表 ══ */
.terms{margin-top:32px;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.terms .tr{display:grid;grid-template-columns:minmax(150px,.34fr) 1fr;border-bottom:1px solid var(--line)}
.terms .tr:last-child{border-bottom:0}
.terms .tr>div{padding:16px 20px;font-size:16px}
.terms .tr>div:first-child{background:var(--bg2);color:var(--yel);font-weight:800;font-size:14px;
  letter-spacing:.06em}
.terms .tr>div:last-child{color:#e6e6e6}
.terms .tr strong{color:#fff;font-weight:800}
@media(max-width:560px){
  .terms .tr{grid-template-columns:1fr}
  .terms .tr>div:first-child{padding-bottom:4px}
  .terms .tr>div:last-child{padding-top:4px}
}

/* ══ 市场 / 经验 ══ */
.mkgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.mk{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:24px 22px}
.mk b{display:block;font-size:20px;font-weight:900;letter-spacing:-.01em;margin-bottom:6px}
.mk span{color:var(--mid);font-size:14.5px}
.mk .n{font-size:12.5px;font-weight:800;color:var(--yel);letter-spacing:.16em;margin-bottom:12px}
@media(max-width:960px){.mkgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.mkgrid{grid-template-columns:1fr}}

.big20{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.big20 div{border:2px solid var(--yel);border-radius:16px;padding:20px 26px;flex:1 1 190px}
.big20 b{display:block;font-size:40px;font-weight:900;letter-spacing:-.04em;color:var(--yel);line-height:1}
.big20 span{font-size:14.5px;color:#c9c9c9;display:block;margin-top:8px}

/* ══ 验厂：24 小时 / 视频验厂 ══ */
.audit{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.au{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.au b{display:block;font-size:18px;font-weight:900;margin-bottom:10px}
.au p{color:var(--mid);font-size:15.5px}
.au .tag{display:inline-block;background:var(--yel);color:#000;font-weight:900;font-size:12px;
  letter-spacing:.1em;border-radius:6px;padding:4px 10px;margin-bottom:14px}
@media(max-width:760px){.audit{grid-template-columns:1fr}}

.shotrow{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.shotrow img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff;
  border-radius:16px;padding:16px;border:1px solid var(--line)}
@media(max-width:700px){.shotrow{grid-template-columns:1fr 1fr}}

/* ══ 四层厂房实景（2026-10-10 新增）══ */
.floors-intro{color:var(--mid);font-size:16px;max-width:860px;margin-top:14px}
.fl{background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:24px 26px;margin-top:16px}
.flhead{display:flex;align-items:center;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.flno{background:var(--yel);color:#000;font-weight:900;font-size:15px;letter-spacing:.06em;
  border-radius:8px;padding:6px 13px;line-height:1;flex:0 0 auto}
.flhead b{font-size:22px;font-weight:900;letter-spacing:-.01em}
.flhead span{color:var(--mid);font-size:13.5px;margin-left:auto;letter-spacing:.04em}
.fl>p{color:var(--mid);font-size:15.5px;max-width:840px}
.flimgs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.flimgs img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;
  border-radius:12px;border:1px solid var(--line);display:block}
@media(max-width:700px){.flimgs{grid-template-columns:1fr}.flhead span{margin-left:0;flex-basis:100%}}

/* 厂房导览视频 */
.vidwrap{display:grid;grid-template-columns:320px 1fr;gap:30px;align-items:start;margin-top:30px}
.vidwrap video{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);
  background:#000;display:block}
.vidwrap .vnote{color:var(--mid);font-size:15.5px}
@media(max-width:820px){.vidwrap{grid-template-columns:1fr;max-width:420px}}