:root{--navy:#0E3A5C;--blue:#1C86C8;--gold:#E0A526;--ink:#1B2B3A;--mute:#4A5A6A;--line:#D9E0E7;--soft:#F3F6F9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.7;font-size:16px;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3{line-height:1.25;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
.todo{background:#FFF4D6;outline:1px dashed #B07A00;color:#5C4200;padding:0 4px;border-radius:3px}
.topbar{background:var(--navy);color:#fff;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar a{color:#fff;text-decoration:none}
.lang a{padding:2px 10px;border-radius:99px;margin-left:4px}.lang a[aria-current]{background:var(--gold);color:var(--navy);font-weight:700}
.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:1.15rem;letter-spacing:.1em}
.brand-text small{font-size:.72rem;letter-spacing:.22em;color:var(--mute)}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;padding:10px 12px;font-size:.95rem;border-radius:6px}
.nav a:hover{background:var(--soft)}
.nav a[aria-current]{color:var(--blue);font-weight:700}
.nav .nav-cta{margin-left:8px;color:var(--navy)}
.nav-toggle{display:none;min-height:44px;padding:0 16px;border:1.5px solid var(--navy);background:#fff;color:var(--navy);border-radius:6px;font-size:1rem}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:6px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:1rem;cursor:pointer;font-family:inherit}
.btn-gold{background:var(--gold);color:var(--navy)}.btn-gold:hover{background:#EDB640}
.btn-ghost{border-color:#fff;color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-line{border-color:var(--navy);color:var(--navy)}.btn-line:hover{background:var(--navy);color:#fff}
.hero{background:var(--navy) center/cover no-repeat;position:relative;color:#fff}
.hero::before,.page-head.has-img::before{content:"";position:absolute;inset:0;background:rgba(9,36,58,.66)}
.hero .wrap{position:relative;padding-top:clamp(72px,12vw,150px);padding-bottom:clamp(72px,12vw,150px)}
.hero h1{color:#fff;max-width:16em}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:40em}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.page-head{background:var(--navy) center/cover no-repeat;color:#fff;position:relative}
.page-head .wrap{position:relative;padding-top:64px;padding-bottom:56px}
.page-head h1{color:#fff;font-size:clamp(1.8rem,4vw,2.7rem)}
.kicker{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:700;margin:0 0 .6em}
.hero .kicker,.page-head .kicker{color:var(--gold)}
.stats{background:var(--navy);color:#fff;border-top:1px solid rgba(255,255,255,.16)}
.stats .wrap{padding-top:34px;padding-bottom:34px}
.num{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;color:var(--navy);margin:0;line-height:1.1}
.stats .num{color:var(--gold)}
.cap{font-size:.9rem;color:var(--mute);margin:.35em 0 0}
.stats .cap{color:#D6E2EC}
.sec{padding:clamp(48px,7vw,88px) 0}
.sec.alt{background:var(--soft)}
.sub{color:var(--mute);max-width:46em;margin-bottom:2em}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.g6{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
a.card:hover{box-shadow:0 10px 28px rgba(14,58,92,.14);transform:translateY(-2px)}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card-b{padding:20px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-b p{color:var(--mute);margin:0;font-size:.95rem}
.card-b .num{color:var(--blue)}
.more{margin-top:auto;padding-top:10px;color:var(--blue);font-weight:700;font-size:.92rem}
.where{font-size:.8rem;letter-spacing:.04em;color:var(--mute);text-transform:uppercase}
.case h3{font-size:1.08rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.split.top{align-items:start}
.split.rev>div:first-child{order:2}
.round{border-radius:10px;width:100%;aspect-ratio:4/3;object-fit:cover}
.round.small{width:46%;margin-top:-18%;margin-left:auto;margin-right:-2%;border:6px solid #fff;position:relative}
.fn{padding-left:1.3em;margin:0 0 1.6em}.fn li{margin:.45em 0}
.tiles{gap:14px}
.tile{position:relative;min-height:170px;border-radius:10px;background:var(--navy) center/cover;display:flex;align-items:flex-end;text-decoration:none;overflow:hidden}
.tile::before{content:"";position:absolute;inset:0;background:rgba(9,36,58,.5);transition:background .2s}
.tile:hover::before{background:rgba(9,36,58,.3)}
.tile span{position:relative;color:#fff;font-weight:700;padding:14px}
.mini{margin:48px 0 18px}
.fig{margin:0}.fig img{border-radius:8px;aspect-ratio:4/3;object-fit:cover;width:100%}
.fig figcaption{font-size:.88rem;color:var(--mute);margin-top:8px}
.pair{margin-top:24px;max-width:760px}
.center{text-align:center;margin-top:36px}
.rd{margin:8px 0 24px}
.rdbox{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:8px;padding:18px}
.cta-band{background:var(--blue);color:#fff}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-top:44px;padding-bottom:44px}
.cta-band h2{color:#fff;margin:0 0 .2em}.cta-band p{margin:0;color:#EAF4FB}
.big{font-size:1.1rem}
.ticks{list-style:none;padding:0;margin:0 0 1.5em}
.ticks li{position:relative;padding-left:28px;margin:.55em 0}
.ticks li::before{content:"";position:absolute;left:4px;top:.55em;width:10px;height:10px;border-radius:50%;background:var(--gold)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
table{border-collapse:collapse;width:100%;min-width:480px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child th,tr:last-child td{border-bottom:0}
thead th{background:var(--navy);color:#fff}
tbody th{width:28%;color:var(--navy);background:#FAFBFC}
.note{font-size:.88rem;color:var(--mute);margin-top:12px}
.fncard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;position:relative}
.fncard .n{display:inline-flex;width:38px;height:38px;border-radius:50%;background:var(--navy);color:var(--gold);align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
.fncard p,.plain p{color:var(--mute);margin:0;font-size:.96rem}
.plain{border-top:3px solid var(--gold);padding-top:16px}
.anchors{background:#fff;border-bottom:1px solid var(--line)}
.anchors .wrap{display:flex;gap:8px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.anchors a{padding:8px 14px;border:1px solid var(--line);border-radius:99px;text-decoration:none;color:var(--navy);font-size:.92rem}
.anchors a:hover{border-color:var(--blue);color:var(--blue)}
.problem{background:#fff;border-left:4px solid var(--gold);padding:12px 16px;border-radius:0 8px 8px 0}
.sec.alt .problem{background:#fff}
.nums{display:flex;gap:28px;flex-wrap:wrap;margin-top:24px}
.nums .num{color:var(--blue)}
.timeline{list-style:none;padding:0;margin:0;border-left:3px solid var(--line)}
.timeline li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0 12px 22px;position:relative}
.timeline li::before{content:"";position:absolute;left:-8px;top:20px;width:13px;height:13px;border-radius:50%;background:var(--gold);border:2px solid #fff}
.yr{font-weight:800;color:var(--navy)}
.dl{list-style:none;padding:0;margin:0;display:grid;gap:12px;max-width:760px}
.dl a{display:flex;gap:16px;align-items:center;padding:16px 20px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);min-height:44px}
.dl a:hover{border-color:var(--blue)}
.pdf{background:var(--navy);color:#fff;font-weight:800;font-size:.75rem;padding:6px 8px;border-radius:4px}
.contact dt{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin-top:14px}
.contact dd{margin:0;font-size:1.05rem}
.qr{width:150px;height:150px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.8rem;padding:8px;margin-top:8px}
.form{background:var(--soft);border-radius:12px;padding:clamp(20px,3vw,32px);display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:.92rem;font-weight:600;color:var(--navy)}
.form input,.form select,.form textarea{font:inherit;padding:11px 12px;border:1.5px solid #9FB0C0;border-radius:6px;background:#fff;min-height:46px;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid rgba(28,134,200,.35);border-color:var(--blue)}
.form-msg{background:#fff;border-left:4px solid var(--gold);padding:12px 14px;margin:0;border-radius:0 6px 6px 0}
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:14px 0;font-size:1.08rem;min-height:44px}
.faq details p{color:var(--mute)}
.site-footer{background:#09243A;color:#C9D6E2;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1.3fr 1.2fr 1fr;gap:32px;padding-top:56px;padding-bottom:36px}
.site-footer h3{color:#fff;font-size:.95rem}
.site-footer a{color:#C9D6E2;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-brand{color:#fff;margin-bottom:12px}.foot-brand small{color:#C9D6E2}
.icp{font-size:.82rem}
.copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;padding-bottom:26px;font-size:.82rem}
@media (max-width:980px){
 .nav-toggle{display:inline-flex;align-items:center}
 .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 24px 18px}
 .nav.open{display:flex}
 .nav a{padding:13px 4px;border-bottom:1px solid var(--soft)}
 .nav .nav-cta{margin:12px 0 0}
 .site-header .wrap{position:relative}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
 .split{grid-template-columns:1fr}.split.rev>div:first-child{order:0}
 .timeline li{grid-template-columns:1fr;gap:2px}
 .foot-grid{grid-template-columns:1fr}
 .cta-band .wrap{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}