:root{
  --paper:#FAF7F1; --card:#FFFFFF; --ink:#1F2A37; --muted:#5B6472;
  --seal:#B23A2E; --seal-dark:#8E2B22; --gold:#8A6D2F; --line:#DCD3C2;
  --serif:Georgia,'Times New Roman','Songti SC','Noto Serif SC',SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue','PingFang SC','Microsoft YaHei','Noto Sans SC',Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.65;font-size:17px}
img,svg{max-width:100%;height:auto}
a{color:var(--seal-dark)}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
/* header */
.top{background:var(--card);border-bottom:1px solid var(--line)}
.top .bar{display:flex;align-items:center;gap:14px;padding:14px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand .bt{font-family:var(--serif);font-size:1.15rem;line-height:1.2;font-weight:700}
.brand .bs{display:block;font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--seal-dark);font-weight:600}
nav.main{margin-left:auto;display:flex;gap:2px;flex-wrap:wrap;align-items:center}
nav.main a{text-decoration:none;color:var(--ink);padding:8px 11px;font-size:.92rem;border-radius:4px}
nav.main a:hover{background:var(--paper)}
nav.main a.cta{background:var(--seal);color:#fff;font-weight:600;margin-left:6px}
nav.main a.cta:hover{background:var(--seal-dark)}
nav.main a.lang{border:1px solid var(--line);font-weight:600}
.regline{background:var(--ink);color:#EDE7DA;font-size:.8rem;text-align:center;padding:6px 12px;letter-spacing:.05em}
.regline b{color:#F0C87E;font-weight:600}
/* hero */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--line);background:
 linear-gradient(180deg,rgba(178,58,46,.035),rgba(178,58,46,0) 40%)}
.hero .grid{display:grid;grid-template-columns:1.5fr 1fr;gap:44px;align-items:center}
.kicker{font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:14px}
h1{font-family:var(--serif);font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.15;font-weight:700;letter-spacing:-.01em}
.hero p.lead{margin:20px 0 26px;font-size:1.12rem;color:var(--muted);max-width:56ch}
.btnrow{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;padding:13px 22px;border-radius:6px;font-weight:600;font-size:1rem}
.btn.red{background:var(--seal);color:#fff}.btn.red:hover{background:var(--seal-dark)}
.btn.ghost{border:1.5px solid var(--ink);color:var(--ink)}.btn.ghost:hover{background:var(--ink);color:#fff}
.sealbox{text-align:center}
.sealnote{font-size:.82rem;color:var(--muted);margin-top:12px}
/* sections */
section{padding:52px 0}
h2{font-family:var(--serif);font-size:clamp(1.45rem,3vw,2rem);margin-bottom:8px}
h3{font-family:var(--serif);font-size:1.18rem;margin:26px 0 8px}
.sub{color:var(--muted);max-width:64ch;margin-bottom:26px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--seal);border-radius:6px;padding:22px}
.card h3{margin:0 0 6px;font-size:1.08rem}
.card p{font-size:.94rem;color:var(--muted)}
.card a.more{font-size:.9rem;font-weight:600;text-decoration:none}
/* certificate frame */
.cert{background:var(--card);border:1px solid var(--gold);outline:1px solid var(--gold);outline-offset:4px;padding:34px 30px;margin:8px 4px}
.cert .row{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
@media(max-width:700px){.cert .row{grid-template-columns:1fr;text-align:center}}
.fact{display:grid;grid-template-columns:190px 1fr;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.96rem}
.fact b{color:var(--seal-dark);font-weight:600}
@media(max-width:560px){.fact{grid-template-columns:1fr}}
/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;counter-reset:st}
.step{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:20px;counter-increment:st;position:relative}
.step::before{content:counter(st,decimal-leading-zero);font-family:var(--serif);color:var(--seal);font-size:1.5rem;font-weight:700;display:block;margin-bottom:6px}
.step h3{margin:0 0 4px;font-size:1rem}.step p{font-size:.9rem;color:var(--muted)}
/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:6px;margin-bottom:10px}
summary{cursor:pointer;padding:15px 18px;font-weight:600;list-style:none}
summary::after{content:"+";float:right;color:var(--seal);font-size:1.2rem}
details[open] summary::after{content:"–"}
details .a{padding:0 18px 16px;color:var(--muted);font-size:.96rem}
/* prose pages */
.prose{max-width:760px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 16px 22px}
.prose li{margin-bottom:6px}
.notice{background:#F6EFE2;border-left:4px solid var(--gold);padding:14px 18px;border-radius:4px;margin:20px 0;font-size:.95rem}
table{width:100%;border-collapse:collapse;background:var(--card);font-size:.95rem;margin:16px 0}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--paper);font-family:var(--serif)}
/* contact strip */
.strip{background:var(--ink);color:#EDE7DA;text-align:center}
.strip h2{color:#fff}
.strip .sub{color:#C9C2B2;margin-left:auto;margin-right:auto}
.strip .btn.ghost{border-color:#EDE7DA;color:#EDE7DA}
.strip .btn.ghost:hover{background:#EDE7DA;color:var(--ink)}
.chips{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:22px;font-size:.92rem}
.chips span{opacity:.85}
/* footer */
footer{background:var(--card);border-top:1px solid var(--line);padding:40px 0 30px;font-size:.9rem;color:var(--muted)}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
@media(max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{font-family:var(--serif);color:var(--ink);margin-bottom:10px}
footer ul{list-style:none}
footer li{margin-bottom:6px}
footer a{color:var(--muted)}
.stampline{margin-top:26px;padding-top:18px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem}
.stampline .zh{font-family:var(--serif);color:var(--seal);letter-spacing:.3em}
/* whatsapp float */
.wafab{position:fixed;right:18px;bottom:18px;background:#1EBE5D;color:#fff;text-decoration:none;
 padding:12px 18px;border-radius:999px;font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:50;font-size:.95rem}
.wafab:hover{background:#169a4a}
/* breadcrumbs */
.crumbs{font-size:.84rem;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}
.pagehead{padding:28px 0 40px;border-bottom:1px solid var(--line)}
.pagehead p.lead{margin-top:14px;font-size:1.08rem;color:var(--muted);max-width:62ch}
@media(max-width:860px){.hero .grid{grid-template-columns:1fr}.sealbox{order:-1}.sealbox svg{width:150px;height:150px}}
.zhbox{background:var(--card);border:1px dashed var(--seal);border-radius:6px;padding:18px;text-align:center;max-width:280px}
.zhbox img{width:180px;height:180px;object-fit:contain;background:var(--paper)}