*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#101820;color:#F6F3EA;font-family:system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.82;overflow-wrap:anywhere}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #D6B56E;outline-offset:3px}img{max-width:100%;height:auto;object-fit:contain;object-position:center}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(26px,3vw,36px);line-height:1.32;letter-spacing:.01em}h2{font-size:24px;line-height:1.4}h3{font-size:19px;line-height:1.45}p{margin-bottom:1.1em}.wrap{max-width:1120px;margin-inline:auto;padding-inline:28px}.skip{position:absolute;left:12px;top:-100px;background:#F4F2EC;color:#26323A;padding:8px 16px;z-index:60}.skip:focus{top:8px}.site-header{background:#101820;border-bottom:1px solid #35404a}.brandbar{min-height:68px;display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand>img{max-width:132px;max-height:36px;width:auto;height:auto;flex:none}.brandcopy{display:flex;flex-direction:column;line-height:1.3}.brandcopy strong{font-size:19px;white-space:nowrap}.brandcopy small{font-size:10px;letter-spacing:.09em;color:#C7CCD0}.actions{display:flex;align-items:center;gap:16px;flex:none}.app-link{font-size:14px}.menu-open,.menu-close{border:1px solid #74808a;background:#18232D;color:#F6F3EA;padding:7px 12px;border-radius:10px;min-height:44px}.desktop-nav{background:#18232D}.navline{min-height:48px;display:flex;align-items:center;gap:clamp(12px,2.3vw,30px);flex-wrap:wrap}.navline a{font-size:15px;padding:8px 0;border-bottom:2px solid transparent;white-space:nowrap}.navline a[aria-current=page]{font-weight:700;border-color:#D6B56E}.section{padding-block:60px}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center}.eyebrow{font-size:13px;letter-spacing:.14em;color:#D6B56E;font-weight:700;margin-bottom:12px}.lead{font-size:17px;line-height:1.85;color:#C7CCD0}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #D6B56E;border-radius:10px;min-height:46px;padding:9px 18px;font-size:15px;font-weight:650;color:#F6F3EA}.btn-primary{background:#D6B56E;color:#26323A}.btn:hover{text-decoration:none;filter:brightness(1.12)}.photo{margin:0;display:flex;align-items:center;justify-content:center;max-width:100%;min-width:0}.photo img{display:block;width:auto;height:auto;max-width:100%;object-fit:contain;object-position:center}.photo-banner img{max-height:300px}.photo-content img{max-width:460px;max-height:300px}.photo-brand img{max-height:260px}.photo-app img{max-width:220px;max-height:330px}.light{background:#F4F2EC;color:#26323A}.light .eyebrow{color:#80662e}.light .lead,.light .muted{color:#47545d}.light a:not(.btn){color:#425469}.light .btn{color:#26323A}.narrow{max-width:760px}.reading-width{max-width:760px;margin-inline:auto}.reading-width p{line-height:1.88}.steps{list-style:none;padding:0;margin:26px 0;counter-reset:step}.steps li{counter-increment:step;position:relative;padding:10px 0 22px 56px;border-bottom:1px solid #b2b6b5}.steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:8px;font-weight:800;color:#886c35}.steps h3{margin-bottom:5px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:36px}.split>*{min-width:0}.asym{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:22px}.panel{padding:26px;background:#18232D;border:1px solid #394650;border-radius:12px}.light .panel{background:#fff;border-color:#dedbd3;color:#26323A}.panel p:last-child{margin-bottom:0}.text-link{display:inline-block;color:#D6B56E;text-decoration:underline;text-underline-offset:5px;font-weight:650;margin-top:7px}.light .text-link{color:#70551d!important}.section-title{max-width:760px;margin-bottom:26px}.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.timeline article{border-top:2px solid #D6B56E;padding-top:15px}.timeline b{color:#D6B56E}.mixed{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px}.archive-list{display:grid;gap:12px}.archive-list a{display:flex;justify-content:space-between;border-bottom:1px solid #69737a;padding:10px 0}.site-footer{border-top:1px solid #35404a;padding:46px 0 20px;color:#C7CCD0}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footgrid strong{display:block;color:#F6F3EA;margin-bottom:13px}.footgrid a{display:block;margin-bottom:7px}.footnote{font-size:13px;border-top:1px solid #35404a;margin-top:32px;padding-top:14px}.drawer-backdrop:not([hidden]){position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:50}.drawer:not([hidden]){position:fixed;inset:0 0 0 auto;width:min(360px,100vw);background:#18232D;z-index:51;display:flex;flex-direction:column;box-shadow:-10px 0 30px #0005}.drawer-head{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #59636a}.drawer-body{overflow-y:auto;overscroll-behavior:contain;padding:12px 20px 35px}.drawer-body section{padding:9px 0 14px;border-bottom:1px solid #35404a}.drawer-body h2{font-size:15px;color:#D6B56E;margin:0 0 7px}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:3px 10px}.drawer-links a{min-height:42px;display:flex;align-items:center;font-size:15px}.drawer-links a[aria-current=page]{color:#D6B56E;font-weight:700}.mobile-bottom{display:none}.inner-intro{padding-block:54px 28px}.inner-intro .lead{max-width:760px}.quick-index{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0 0}.quick-index a{font-size:14px;border:1px solid #727b81;padding:5px 12px;border-radius:20px}.article-section{padding-block:30px;border-top:1px solid #43505a;scroll-margin-top:18px}.article-section h2{margin-bottom:16px}.article-section p{max-width:760px}.article-section .extra{color:#C7CCD0}.article-section:nth-child(even){background:#18232D}.article-section .wrap{max-width:1120px}.article-section .reading-width{margin-left:0}.article-section .photo{margin:18px 0 24px;justify-content:flex-start}.related{padding-block:34px 60px}.related a{display:inline-block;margin:5px 12px 5px 0;text-decoration:underline;text-underline-offset:4px;color:#D6B56E}.faq-item{border-bottom:1px solid #45515b;padding:24px 0;scroll-margin-top:18px}.faq-item h2{font-size:21px}.tag{font-size:13px;letter-spacing:.08em;color:#D6B56E}.callout{border-left:3px solid #D6B56E;padding:12px 20px;background:#18232D}.home-article{max-width:760px}.home-article p{line-height:1.88}.h-main{margin-bottom:20px}.mobile-only{display:none}[hidden]{display:none!important}@media(max-width:900px){.wrap{padding-inline:24px}.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:22px}.footgrid{grid-template-columns:1.5fr 1fr 1fr}}@media(max-width:740px){.desktop-nav{display:none}.hero,.split,.mixed,.asym{grid-template-columns:1fr}.split .photo{justify-content:flex-start}.hero .photo{justify-content:center}.section{padding-block:40px}.footgrid{grid-template-columns:1fr 1fr}.footgrid>div:first-child{grid-column:1/-1}}@media(max-width:600px){.wrap{padding-inline:16px}.brandbar{min-height:60px}.brand>img{max-width:94px;max-height:32px}.brandcopy strong{font-size:15px}.brandcopy small{display:none}.actions .app-link{display:none}.menu-open{padding:6px 10px}.section{padding-block:32px}h1{font-size:27px}h2{font-size:21px}.timeline,.footgrid{grid-template-columns:1fr}.footgrid>div:first-child{grid-column:auto}.panel{padding:18px}.photo-banner img{max-height:190px}.photo-content img,.photo-brand img{max-height:240px}.photo-app img{max-height:300px}.mobile-bottom{position:fixed;z-index:35;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:#18232D;border-top:1px solid #62686d;min-height:58px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a,.mobile-bottom button{display:flex;align-items:center;justify-content:center;min-height:58px;color:#F6F3EA;font-size:14px;border:0;background:transparent;text-align:center}.mobile-bottom [aria-current=page]{color:#D6B56E;font-weight:700}.site-footer{padding-bottom:calc(85px + env(safe-area-inset-bottom))}.drawer-body{padding-bottom:calc(45px + env(safe-area-inset-bottom))}.inner-intro{padding-block:32px 22px}.article-section{padding-block:25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.service-trio{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:740px){.service-trio{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.service-trio{grid-template-columns:1fr}}
