*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.wrap{width:min(1160px,calc(100% - 40px));margin:0 auto}
.bm{width:1.5em;height:1.5em;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:.55em;font-weight:700;letter-spacing:.01em}
.brand-name{display:inline-flex;align-items:baseline;gap:.4em;font-size:19px}
.brand-name em{font-style:normal;font-size:12px;letter-spacing:.16em;opacity:.62;text-transform:uppercase}
.btn{padding:13px 24px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s,background .18s,border-color .18s;background:var(--accent);color:var(--on-accent)}
.btn:not([hidden]){display:inline-flex;align-items:center;justify-content:center;gap:.5em}
.btn:hover{transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--line);color:var(--fg)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost{background:transparent;border-color:currentColor;color:inherit;opacity:.85}
.eyebrow{margin:0 0 10px;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-weight:700}
.sec-head{max-width:720px;margin:0 0 34px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px)}
.sec-sub{margin-top:12px;color:var(--mut);font-size:16px;max-width:62ch}
.dl-band{padding:clamp(56px,7vw,92px) 0}
.dl-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;max-width:1020px;margin:0 auto}
.dl-band:not(:has(.dl-card:not([hidden]))){display:none}
.dl-card{flex:1 1 250px;max-width:320px;padding:26px 24px;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--fg);transition:transform .2s,border-color .2s,box-shadow .2s}
.dl-card:not([hidden]){display:flex;flex-direction:column;gap:8px}
.dl-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 14px 36px rgba(0,0,0,.12)}
.dl-ch{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700}
.dl-name{font-size:21px}
.dl-desc{font-size:14px;color:var(--mut);flex:1}
.dl-go{margin-top:10px;font-size:14px;font-weight:700;color:var(--accent)}
.dl-note{margin-top:20px;font-size:13px;color:var(--mut)}
.faq{padding:clamp(56px,7vw,96px) 0}
.qa-list{max-width:860px;border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line);padding:18px 0}
.qa summary{display:flex;justify-content:space-between;gap:18px;cursor:pointer;font-weight:600;font-size:16px;list-style:none}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";color:var(--accent);font-weight:700}
.qa[open] summary::after{content:"–"}
.qa p{margin-top:12px;color:var(--mut);font-size:15px;max-width:70ch}
.foot{border-top:1px solid var(--line);padding:56px 0 26px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand p{margin-top:16px;font-size:14px;color:var(--mut);max-width:44ch}
.foot-col h3{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin-bottom:14px}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:var(--fg);opacity:.78}
.foot-col a:hover{opacity:1;color:var(--accent)}
.foot-base{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-base p{font-size:12px;color:var(--mut)}
@media (max-width:900px){
 .foot-grid{grid-template-columns:1fr 1fr}
 .sec-head{margin-bottom:26px}
}
@media (max-width:620px){
 .wrap{width:calc(100% - 32px)}
 .foot-grid{grid-template-columns:1fr;gap:26px}
 .nav-links{display:none}
 .btn{padding:11px 18px;font-size:14px}
}

:root{--bg:#f4f3f0;--bg2:#f4f3f02;--card:#ffffff;--fg:#141414;--mut:#5c5c58;--line:#d3d1ca;--accent:#b3261e;--accent2:#1b3a6b;--on-accent:#ffffff;--serif:Georgia,"Songti SC","Noto Serif SC",serif}
.topbar{background:var(--fg);color:var(--bg);font-size:11px;letter-spacing:.16em;text-transform:uppercase}
.topbar .wrap{display:flex;justify-content:space-between;padding:8px 0}
.masthead{background:var(--card);border-bottom:3px solid var(--fg)}
.mast-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}
.mast-in .brand-name{font-size:26px;font-family:var(--serif)}
.mast-nav{display:flex;gap:24px;font-size:13px}
.mast-nav a{padding-bottom:2px;border-bottom:1px solid transparent}
.mast-nav a:hover{border-bottom-color:var(--accent);color:var(--accent)}
.mast-cta{border-radius:2px;padding:9px 16px;font-size:12px}
.hero{padding:clamp(36px,5vw,64px) 0;border-bottom:1px solid var(--fg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,56px);align-items:start}
.hero .kicker{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:700;border-bottom:2px solid var(--accent);display:inline-block;padding-bottom:4px}
.hero h1{font-family:var(--serif);font-size:clamp(34px,4.8vw,58px);line-height:1.14;margin-top:18px;letter-spacing:-.02em;text-wrap:balance}
.hero .lead{margin-top:16px;color:var(--mut);font-size:16px;max-width:50ch}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-cta .btn{border-radius:3px}
.data{background:var(--card);border:1px solid var(--fg);padding:22px}
.data h2{font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding-bottom:12px;border-bottom:1px solid var(--fg);margin-bottom:4px}
.data table{width:100%;border-collapse:collapse;font-size:13px}
.data th,.data td{text-align:left;padding:10px 8px 10px 0;border-bottom:1px solid var(--line)}
.data thead th{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);font-weight:600}
.data tbody th{font-weight:600}
.data td{color:var(--mut)}
.data .yes{color:var(--accent);font-weight:700}
.strip{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--fg);background:var(--bg2)}
.strip div{padding:22px 20px;border-left:1px solid var(--line)}
.strip div:first-child{border-left:0}
.strip b{display:block;font-family:var(--serif);font-size:clamp(24px,2.8vw,34px);line-height:1}
.strip span{font-size:11px;letter-spacing:.12em;color:var(--mut)}
.sec{padding:clamp(40px,5vw,64px) 0;border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;border-bottom:1px solid var(--fg);padding-bottom:10px;margin-bottom:26px;flex-wrap:wrap}
.sec-head h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px)}
.sec-head p{font-size:12px;color:var(--mut);letter-spacing:.06em}
.ftable{width:100%;border-collapse:collapse;font-size:14px}
.ftable th,.ftable td{text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.ftable thead th{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border-bottom:1px solid var(--fg)}
.ftable tbody th{width:150px;font-weight:600;font-family:var(--serif);font-size:15px}
.ftable td{color:var(--mut)}
.news{column-count:2;column-gap:48px;column-rule:1px solid var(--line)}
.news article{break-inside:avoid;margin-bottom:24px}
.news h3{font-family:var(--serif);font-size:19px;margin-bottom:8px}
.news p{font-size:14.5px;color:var(--mut);margin-bottom:10px}
.news p:first-of-type::first-letter{font-size:44px;float:left;line-height:.86;padding:4px 8px 0 0;font-family:var(--serif);color:var(--accent)}
.steps{border-top:1px solid var(--fg)}
.step{display:grid;grid-template-columns:60px 160px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.step em{font-style:normal;font-size:12px;letter-spacing:.14em;color:var(--accent)}
.step h3{font-family:var(--serif);font-size:17px}
.step p{font-size:14px;color:var(--mut)}
.safe4{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.safe4 div{padding:16px 0;border-top:1px solid var(--line)}
.safe4 h3{font-size:15px;margin-bottom:5px}
.safe4 p{font-size:13.5px;color:var(--mut)}
.qa2{border-top:1px solid var(--fg)}
.qa2 .qa{padding:15px 0}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.shots figure{margin:0;border:1px solid var(--fg);background:var(--card)}
.shots .media{height:480px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 30%,rgba(90,110,140,.18),transparent 62%),#111214;padding:18px}
.shots img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border:1px solid rgba(255,255,255,.08)}
.shots figcaption{padding:10px 14px;border-top:1px solid var(--line);font-size:12px;color:var(--mut)}
.endcta{padding:clamp(44px,6vw,70px) 0;background:var(--fg);color:var(--bg)}
.endcta .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.endcta h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);max-width:26ch}
.endcta .btn{background:var(--bg);color:var(--fg)}
.endcta .btn-line{border-color:rgba(255,255,255,.35);color:var(--bg)}
.foot{background:var(--card)}
@media (max-width:980px){
 .hero-grid{grid-template-columns:1fr}
 .news{column-count:1}
 .safe4{grid-template-columns:1fr}
 .shots{grid-template-columns:1fr}
 .strip{grid-template-columns:repeat(2,1fr)}
 .strip div:nth-child(3){border-left:0;border-top:1px solid var(--line)}
 .strip div:nth-child(4){border-top:1px solid var(--line)}
 .step{grid-template-columns:44px 1fr;gap:6px 14px}
 .step p{grid-column:2}
}
@media (max-width:620px){
 .mast-nav{display:none}
 .mast-in{padding:14px 0}
 .mast-in .brand-name{font-size:21px}
 .hero h1{font-size:31px}
 .strip{grid-template-columns:1fr}
 .strip div{border-left:0;border-top:1px solid var(--line)}
 .strip div:first-child{border-top:0}
 .ftable tbody th{width:auto}
 .ftable thead{display:none}
 .ftable tr{display:block;padding:10px 0;border-bottom:1px solid var(--line)}
 .ftable th,.ftable td{display:block;padding:2px 0;border:0}
}