/* ─── RESET ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}

/* ─── TOKENS — 全新配色：白底、深炭灰文字、森林绿主色 ─── */
:root{
  --bg:#FAFAF8;
  --bg-2:#F4F2EE;
  --bg-3:#EDEAE4;
  --ink:#1A1A1A;
  --ink-2:#2C2C2C;
  --muted:#777771;
  --accent:#2D5A3D;       /* 森林绿 */
  --accent-l:#3D7A55;
  --accent-dim:rgba(45,90,61,0.10);
  --accent-border:rgba(45,90,61,0.22);
  --gold:#A07840;
  --gold-l:#C09050;
  --gold-dim:rgba(160,120,64,0.12);
  --rule:rgba(26,26,26,0.10);
  --D:'Cormorant Garamond',Georgia,serif;
  --B:'Inter',system-ui,sans-serif;
  --max:1200px;
  --pad:clamp(20px,5vw,72px);
  --sv:clamp(64px,8vw,112px);
}

/* ─── BASE ─── */
body{font-family:var(--B);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* ─── TYPOGRAPHY ─── */
.eyebrow{font-size:.65rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;display:block}
.accent-rule{width:36px;height:2px;background:var(--accent);margin-bottom:18px;border-radius:1px}
.h-display{font-family:var(--D);font-size:clamp(2.2rem,4.5vw,4rem);font-weight:300;line-height:1.06;color:var(--ink)}
.h-display em{font-style:italic;color:var(--accent-l)}
.h-section{font-family:var(--D);font-size:clamp(1.6rem,3vw,2.6rem);font-weight:400;line-height:1.15;color:var(--ink);margin-bottom:14px}
.h-section em{font-style:italic;color:var(--accent-l)}
.body{font-size:.92rem;font-weight:300;color:var(--muted);line-height:1.8}
.body-sm{font-size:.83rem;font-weight:300;color:var(--muted);line-height:1.72}

/* ─── BUTTONS ─── */
.btn{display:inline-block;font-family:var(--B);font-size:.75rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;padding:14px 34px;border-radius:3px;cursor:pointer;transition:.2s}
.btn-p{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-p:hover{background:var(--accent-l);border-color:var(--accent-l)}
.btn-g{background:transparent;color:var(--ink);border:1.5px solid rgba(26,26,26,.28)}
.btn-g:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 22px;font-size:.68rem}

/* ─── NAV ─── */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(250,250,248,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--rule)}
.nav-in{display:flex;align-items:center;height:64px;gap:0}
.nav-brand{font-family:var(--D);font-size:1.25rem;font-weight:500;letter-spacing:.04em;flex-shrink:0;margin-right:auto;color:var(--ink)}
.nav-brand span{color:var(--accent);font-style:italic}
.nav-links{display:flex;gap:0;list-style:none}
.nav-links a{display:block;font-size:.72rem;font-weight:500;letter-spacing:.10em;text-transform:uppercase;color:var(--muted);padding:0 18px;height:64px;line-height:64px;transition:.18s;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-links a.on{border-bottom-color:var(--accent)}
.nav-cta{margin-left:24px;flex-shrink:0}

/* ─── SECTIONS ─── */
.section{padding:var(--sv) 0;border-top:1px solid var(--rule)}
.section-alt{background:var(--bg-2)}
.section-dark{background:var(--ink);color:#fff}

/* ─── 2-COL ─── */
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:start}

/* ─── FEATURE LIST ─── */
.f-list{list-style:none;display:flex;flex-direction:column;gap:0}
.f-list li{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--rule);font-size:.87rem;font-weight:300;color:var(--muted);line-height:1.65}
.f-list li:first-child{border-top:1px solid var(--rule)}
.f-list li::before{content:'';width:18px;height:2px;background:var(--accent);flex-shrink:0;margin-top:10px;border-radius:1px}
.f-list strong{color:var(--ink);font-weight:500}

/* ─── SPEC TABLE ─── */
.spec-table{list-style:none}
.spec-row{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:11px 0;border-bottom:1px solid var(--rule);font-size:.84rem}
.spec-row:first-child{border-top:1px solid var(--rule)}
.spec-k{font-weight:500;color:var(--muted)}
.spec-v{font-weight:300;color:var(--ink);line-height:1.5}

/* ─── STAT BAR ─── */
.stat-bar{background:var(--bg-2);border-bottom:1px solid var(--rule)}
.stat-bar-in{display:grid;grid-template-columns:repeat(5,1fr)}
.stat-cell{padding:26px 20px;border-right:1px solid var(--rule)}
.stat-cell:last-child{border-right:none}
.stat-n{font-family:var(--D);font-size:clamp(1.4rem,2.5vw,2rem);font-weight:400;color:var(--ink);line-height:1;margin-bottom:4px}
.stat-l{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ─── DECO GRID ─── */
.deco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:40px}
.deco-card{background:var(--bg);padding:30px 26px;transition:background .18s}
.deco-card:hover{background:var(--bg-2)}
.deco-name{font-family:var(--D);font-size:1.05rem;font-weight:500;color:var(--ink);margin-bottom:9px}
.deco-desc{font-size:.81rem;font-weight:300;color:var(--muted);line-height:1.65}

/* ─── PROCESS STEPS ─── */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:52px}
.process::before{content:'';position:absolute;top:26px;left:10%;right:10%;height:1px;background:var(--accent-border)}
.step{padding:0 16px 0 0;display:flex;flex-direction:column;align-items:flex-start}
.step-dot{width:52px;height:52px;border:1.5px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg);position:relative;z-index:1;margin-bottom:18px;flex-shrink:0}
.step-n{font-family:var(--D);font-size:1rem;font-style:italic;color:var(--accent)}
.step-title{font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:7px}
.step-body{font-size:.77rem;font-weight:300;color:var(--muted);line-height:1.6}

/* ─── CTA BAND ─── */
.cta-band{padding:var(--sv) 0;background:var(--accent);color:#fff}
.cta-band-white{background:var(--bg-2);color:var(--ink)}
.cta-in{display:grid;grid-template-columns:1fr auto;gap:64px;align-items:center}
.cta-details{display:flex;flex-direction:column;gap:11px;align-items:flex-start}
.cta-line{font-size:.77rem;font-weight:300;color:rgba(255,255,255,.65);display:flex;align-items:center;gap:8px}
.cta-line::before{content:'';width:16px;height:1.5px;background:rgba(255,255,255,.45);flex-shrink:0}
.cta-line-dark{color:var(--muted)}
.cta-line-dark::before{background:var(--accent)}

/* ─── MARKET CARDS ─── */
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:48px}
.market-card{background:var(--bg);padding:36px 30px}
.market-flag{font-size:2rem;margin-bottom:16px}
.market-name{font-family:var(--D);font-size:1.2rem;font-weight:500;color:var(--ink);margin-bottom:10px}
.market-body{font-size:.84rem;font-weight:300;color:var(--muted);line-height:1.72}

/* ─── CONTACT ─── */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:start}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:7px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{width:100%;background:#fff;border:1.5px solid var(--rule);color:var(--ink);font-family:var(--B);font-size:.88rem;font-weight:300;padding:12px 16px;border-radius:3px;transition:border .18s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group select{cursor:pointer}
.form-group textarea{resize:vertical;min-height:120px}
.form-submit{margin-top:8px}
.contact-details{display:flex;flex-direction:column;gap:0}
.cd-row{display:flex;align-items:flex-start;gap:16px;padding:20px 0;border-bottom:1px solid var(--rule)}
.cd-row:first-child{border-top:1px solid var(--rule)}
.cd-label{font-size:.63rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:6px;font-weight:600}
.cd-val{font-size:.88rem;font-weight:300;color:var(--muted);line-height:1.7}
.next-steps{margin-top:36px;background:var(--bg-2);border:1px solid var(--rule);padding:28px 30px;border-radius:3px}
.ns-title{font-family:var(--D);font-size:1.15rem;font-weight:500;color:var(--ink);margin-bottom:18px}
.ns-step{display:flex;gap:14px;padding:10px 0;border-bottom:1px solid var(--rule);font-size:.84rem;font-weight:300;color:var(--muted);line-height:1.6}
.ns-step:last-child{border-bottom:none}
.ns-d{font-family:var(--D);font-size:1rem;font-style:italic;color:var(--accent);flex-shrink:0;width:36px;font-weight:500}

/* ─── ABOUT NUMBERS ─── */
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.num-cell{background:var(--bg);padding:26px 22px}
.num-n{font-family:var(--D);font-size:clamp(1.8rem,3vw,2.6rem);color:var(--accent);line-height:1;margin-bottom:5px}
.num-l{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ─── QC STEPS ─── */
.qc-step{display:grid;grid-template-columns:48px 1fr auto;gap:20px;align-items:start;padding:24px 0;border-bottom:1px solid var(--rule)}
.qc-step:first-child{border-top:1px solid var(--rule)}
.qc-n{font-family:var(--D);font-size:1.4rem;font-style:italic;color:var(--accent);line-height:1}
.qc-title{font-size:.88rem;font-weight:600;color:var(--ink);margin-bottom:4px}
.qc-body{font-size:.82rem;font-weight:300;color:var(--muted);line-height:1.65}
.qc-badge{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent-border);padding:4px 9px;border-radius:2px;white-space:nowrap;align-self:flex-start;margin-top:2px;background:var(--accent-dim)}

/* ─── PHOTO GRID ─── */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.photo{overflow:hidden;position:relative;border-radius:2px}
.photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s ease}
.photo:hover img{transform:scale(1.035)}
.cap{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(26,26,26,.7));padding:24px 14px 12px;font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.7);opacity:0;transition:.22s}
.photo:hover .cap{opacity:1}
.h-mid{height:clamp(180px,22vw,300px)}
.h-wide{height:clamp(200px,26vw,340px)}
.h-tall{height:clamp(240px,32vw,440px)}
.h-hero{height:clamp(360px,48vw,580px)}

/* ─── PAGE HERO (about/factory) ─── */
.page-hero{padding-top:64px;position:relative;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 40%;filter:brightness(.45)}
.hero-grad{position:absolute;inset:0;background:linear-gradient(to right,rgba(26,26,26,.75) 0%,rgba(26,26,26,.15) 60%,transparent 100%)}
.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:clamp(40px,6vw,72px)}

/* ─── AUDIT STRIP ─── */
.audit{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;background:var(--bg-2);border:1px solid var(--rule);padding:26px 34px;margin-top:40px;border-radius:3px}
.audit-badges{display:flex;gap:8px;flex-wrap:wrap}
.audit-badge{font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--rule);padding:6px 14px;border-radius:3px}

/* ─── MOQ BOX ─── */
.moq-box{background:var(--bg-2);border:1.5px solid var(--accent-border);padding:24px 28px;margin-bottom:26px;border-radius:4px}
.moq-row{display:flex;justify-content:space-between;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--rule)}
.moq-row:last-child{border-bottom:none;padding-bottom:0}
.moq-row:first-child{padding-top:0}
.moq-k{font-size:.74rem;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.moq-v{font-family:var(--D);font-size:1.05rem;font-weight:400;color:var(--ink)}
.moq-v em{font-style:italic;color:var(--accent);font-size:.95rem}

/* ─── TAG STRIP ─── */
.tag-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.tag{font-size:.75rem;border:1px solid var(--rule);color:var(--muted);padding:6px 14px;border-radius:3px;letter-spacing:.03em;background:#fff}

/* ─── FOOTER ─── */
.site-footer{padding:32px 0;border-top:1px solid var(--rule);background:var(--bg)}
.footer-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-brand{font-family:var(--D);font-size:1rem;color:var(--ink)}
.footer-brand span{color:var(--accent);font-style:italic}
.footer-links{display:flex;gap:22px;list-style:none}
.footer-links a{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);transition:.18s;font-weight:500}
.footer-links a:hover{color:var(--accent)}
.footer-copy{font-size:.68rem;color:var(--muted);letter-spacing:.04em;opacity:.6}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .cols-2,.contact-layout,.market-grid,.deco-grid{grid-template-columns:1fr}
  .stat-bar-in{grid-template-columns:repeat(3,1fr)}
  .stat-cell:nth-child(3){border-right:none}
  .stat-cell:nth-child(4),.stat-cell:nth-child(5){border-top:1px solid var(--rule)}
  .grid-3{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:1fr;gap:24px}
  .process::before{display:none}
  .cta-in{grid-template-columns:1fr;gap:32px}
  .num-grid{grid-template-columns:1fr 1fr}
  .footer-in{flex-direction:column;text-align:center}
  .footer-links{justify-content:center}
  .qc-step{grid-template-columns:44px 1fr}
  .qc-badge{display:none}
}
@media(max-width:560px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .num-grid,.stat-bar-in{grid-template-columns:1fr 1fr}
  .stat-cell:nth-child(2){border-right:none}
}

/* ─── MOBILE OPTIMISATION (≤600px) ─── */
@media(max-width:600px){

  /* 首页产品描述：隐藏长段落，只留标题+图片+spec */
  .ps-body{display:none}

  /* 首页产品图片：2列而非3列，更饱满 */
  .pg-3{grid-template-columns:1fr 1fr}

  /* spec strip：2列 */
  .spec-strip{grid-template-columns:1fr 1fr}

  /* Why bar：单列，body文字精简显示 */
  .wi{padding:20px 0}
  .wi-body{font-size:.8rem;line-height:1.6}

  /* Customization 装饰卡片：隐藏长描述，只留标题 */
  .deco-desc{display:none}
  .deco-card{padding:18px 20px}
  .deco-name{font-size:1rem;margin-bottom:0}

  /* Customization OEM/ODM卡片：精简内边距 */
  .cols-2 > div[style*="padding:44px"]{padding:28px 22px !important}

  /* Process步骤：隐藏描述，只留步骤标题 */
  .step-body{display:none}
  .step{padding:14px 0}

  /* Contact表单：全宽输入框 */
  .contact-layout > div:first-child form > div[style*="grid-template-columns:1fr 1fr"]{
    grid-template-columns:1fr !important
  }

  /* 按钮全宽 */
  .ps-cta .btn{display:block;text-align:center;width:100%}
  .ps-cta-note{display:block;margin-top:8px;text-align:center}

  /* Hero mosaic：单列堆叠 */
  .hero-mosaic{grid-template-columns:1fr;height:auto}
  .hm-cell{height:56vw}
}

/* 手机端隐藏辅助类 */
@media(max-width:600px){
  .mob-hide{display:none}
  .deco-grid{grid-template-columns:1fr 1fr;gap:8px}
  .ps-head{flex-direction:column}
}
@media(max-width:600px){
  .form-row-2{grid-template-columns:1fr !important}
  .contact-layout{gap:32px}
  .next-steps{margin-top:24px}
  .ns-step{font-size:.82rem}
}