@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@font-face{font-family:Higuen;src:url('/fonts/Higuen Serif.otf') format('opentype');font-display:swap}
@media(max-width:768px){html,body{width:100%;max-width:100%;overflow-x:clip!important;overscroll-behavior-x:none;touch-action:pan-y}body{position:relative}header,main,footer,section,.container{max-width:100vw}img,video,iframe,svg{max-width:100%;height:auto}}
:root{overflow-x:hidden}body{overflow-x:hidden}.hero h1{overflow-wrap:anywhere}html[lang^="zh"] .hero h1{word-break:break-all;letter-spacing:-.02em}
@media(max-width:560px){html[lang^="zh"] .hero h1{font-size:40px!important;line-height:1.08!important;white-space:normal!important;word-break:break-all!important;overflow-wrap:anywhere!important}}
@media(max-width:560px){html[lang^="zh"] .hero h1{max-width:100%!important;font-size:34px!important;line-break:anywhere!important;word-break:break-all!important;overflow-wrap:anywhere!important}html[lang^="zh"] .answer p{max-width:100%!important;font-size:20px!important;line-height:1.45!important;line-break:anywhere!important;word-break:break-all!important;overflow-wrap:anywhere!important}}
@media(max-width:560px){html[lang^="zh"] .hero h1{font-size:28px!important;line-height:1.18!important}html[lang^="zh"] .hero .lead{font-size:16px!important;line-height:1.7!important}html[lang^="zh"] .answer p{font-size:16px!important;line-height:1.65!important}}
html[lang^="zh"] .hero h1,html[lang^="zh"] .hero .lead,html[lang^="zh"] .answer p,html[lang^="zh"] .section h2,html[lang^="zh"] .section p,html[lang^="zh"] .card h3,html[lang^="zh"] .faq summary,html[lang^="zh"] .cta h2{max-width:100%!important;white-space:normal!important;word-break:break-all!important;overflow-wrap:anywhere!important;line-break:anywhere!important;font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif!important;letter-spacing:0!important}
:root{--bg:#070b16;--card:#11182a;--card-hover:#172139;--text:#f7f3e8;--muted:#aab2c3;--border:#26314a;--orange:#ff5a1f;--blue:#3285ff;--gold:#f2c66d;--heading:Higuen,Georgia,serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.65}a{color:inherit}img,video{display:block;max-width:100%}.skip{position:fixed;left:10px;top:10px;z-index:99;background:#fff;color:#000;padding:10px 14px;transform:translateY(-180%)}.skip:focus{transform:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(7,11,22,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.topbar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{width:210px;height:auto}.nav{display:flex;align-items:center;gap:24px;font-size:13px}.nav a,.lang a{text-decoration:none}.nav a:hover,.nav a:focus-visible,.lang a:hover{color:var(--orange)}.lang{border:1px solid var(--border);border-radius:999px;padding:8px 12px;font-size:11px;font-weight:700}.lang .active{color:var(--orange)}.breadcrumbs{font-size:12px;color:var(--muted);padding:24px 0}.breadcrumbs a{text-underline-offset:3px}.hero{padding:clamp(70px,10vw,135px) 0;border-bottom:1px solid var(--border);background:radial-gradient(circle at 90% 0,rgba(50,133,255,.19),transparent 37%)}.kicker{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:18px}.hero h1,.section h2,.cta h2{font:400 clamp(48px,8vw,98px)/1 var(--heading);letter-spacing:-.035em;margin:0}.hero h1 em,.section h2 em,.cta h2 em{color:var(--orange);font-style:normal}.hero .lead{font-size:clamp(18px,2vw,23px);color:var(--muted);max-width:850px;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:999px;background:var(--orange);color:#fff;text-decoration:none;font-size:13px;font-weight:700}.btn:hover,.btn:focus-visible{background:#fff;color:#000}.answer{background:var(--orange);color:#fff;padding:30px 0}.answer p{font:400 clamp(22px,3vw,31px)/1.35 var(--heading);max-width:1050px;margin:0}.section{padding:clamp(75px,9vw,125px) 0}.section.alt{background:#0a1020}.section-head{display:grid;grid-template-columns:.7fr 1.3fr;gap:8vw;margin-bottom:55px}.section h2{font-size:clamp(43px,6vw,72px)}.section-head>p{color:var(--muted);margin:0;font-size:17px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:28px}.card h3{font:400 28px/1.08 var(--heading);margin:0 0 13px}.card p{color:var(--muted);margin:0}.card ul{padding-left:18px;color:var(--muted)}.number{color:var(--orange);font-size:11px;font-weight:700;letter-spacing:.12em}.proof{display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw;align-items:center}.proof-media{background:var(--card);border:1px solid var(--border);border-radius:24px;overflow:hidden}.proof-media img,.proof-media video{width:100%;height:auto}.proof-copy p{color:var(--muted)}.proof-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.text-link{color:var(--gold);text-underline-offset:4px}.faq{max-width:900px;margin-left:auto}.faq details{border-top:1px solid var(--border);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--border)}.faq summary{cursor:pointer;font:400 24px var(--heading)}.faq p{color:var(--muted)}.cta{padding:clamp(75px,9vw,120px) 0;background:var(--blue)}.cta-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:7vw;align-items:end}.cta p{font-size:18px;max-width:600px}.footer{padding:55px 0;background:#03050a;color:var(--muted);font-size:12px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}.footer strong{color:#fff;display:block;margin-bottom:12px}.footer a{display:block;margin:6px 0;text-decoration:none}.footer a:hover{color:#fff}.footer-brand{width:180px;height:auto;filter:none;margin-bottom:16px}.ethical{font-size:11px;color:var(--muted);border-left:2px solid var(--orange);padding-left:14px;margin-top:24px}.case-list .card a{color:var(--gold);display:inline-block;margin-top:16px}.case-image{aspect-ratio:1.65;object-fit:cover;width:100%;border-radius:14px;margin-bottom:20px}.focus-visible,:focus-visible{outline:3px solid var(--gold);outline-offset:4px}@media(max-width:850px){.nav{display:none}.section-head,.proof,.cta-wrap{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:60px}.section{padding:72px 0}}@media(max-width:560px){.container{width:min(100% - 28px,1180px)}.topbar{min-height:72px}.brand img{width:172px}.footer-brand{width:172px}.lang{padding:7px 9px}.hero{padding:66px 0}.hero h1{font-size:48px;line-height:1.05}.footer-grid{grid-template-columns:1fr}.card{padding:23px}.proof-links{display:block}.proof-links a{margin:8px 0;display:inline-flex}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Bilingual typography QA: natural CJK wrapping and protected Latin terms. */
html[lang^="zh"] .hero h1,html[lang^="zh"] .hero .lead,html[lang^="zh"] .answer p,html[lang^="zh"] .section h2,html[lang^="zh"] .section p,html[lang^="zh"] .card h3,html[lang^="zh"] .faq summary,html[lang^="zh"] .cta h2{word-break:normal!important;overflow-wrap:break-word!important;line-break:strict!important}

/* Landing-page typography system shared by every sub-page. */
:root{
  --heading:'Garamond',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
body{font-family:var(--sans);font-weight:400;line-height:1.6}
.hero h1{font-family:var(--heading);font-weight:700;letter-spacing:-.035em;line-height:1.15}
.section h2,.cta h2,.proof-copy h2{font-family:var(--heading);font-weight:400;letter-spacing:0;line-height:1.3}
.card h3,.faq summary,.answer p{font-family:var(--heading);font-weight:400;letter-spacing:0;line-height:1.3}
.hero .lead,.section-head>p,.proof-copy p,.card p,.faq p,.cta p{font-family:var(--sans);font-weight:300;line-height:1.6}
.nav,.lang,.btn,.kicker,.breadcrumbs,.number,.footer{font-family:var(--sans)}
.nav{font-weight:500}.lang{font-weight:700}.btn{font-weight:400}.kicker{font-weight:400;letter-spacing:.1em}
html[lang^="zh"] body{font-family:var(--sans)}
html[lang^="zh"] .hero h1,html[lang^="zh"] .section h2,html[lang^="zh"] .cta h2,html[lang^="zh"] .proof-copy h2,html[lang^="zh"] .card h3,html[lang^="zh"] .faq summary,html[lang^="zh"] .answer p{font-family:var(--heading)!important;letter-spacing:0!important}
@media(max-width:560px){.hero h1{line-height:1.15}.section h2,.cta h2,.proof-copy h2{line-height:1.3}}