*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff8f8;color:#4b3037;font:16px/1.85 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}a:hover{color:#c9365b}a:focus-visible,button:focus-visible{outline:3px solid #c9365b;outline-offset:3px}button{font:inherit;cursor:pointer}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.info{height:28px;background:#fbe9ec;font-size:13px}.info-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.info-right{display:flex;gap:22px}.masthead{height:84px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:11px;color:#351c23;min-width:0}.brand>span{display:flex;flex-direction:column;line-height:1.22}.brand strong{font-size:25px;white-space:nowrap}.brand small{font:12px/1.4 Georgia,serif;letter-spacing:.26em;color:#c9365b}.brand-image{margin:0;max-width:160px}.brand-image img{max-width:160px;max-height:42px;width:auto;height:auto;object-fit:contain}.mast-right{display:flex;gap:25px;align-items:center;font-size:14px;color:#76545f}.mast-right a{border-bottom:1px solid #c9365b;color:#351c23}.nav-toggle{display:none}.primary{border-block:1px solid #edd8de;background:#fff}.primary-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}.nav-links{display:flex;gap:clamp(10px,2vw,31px);white-space:nowrap}.nav-links a{display:flex;align-items:center;min-height:51px;font-size:14px;border-bottom:2px solid transparent}.nav-links a[aria-current=page]{border-color:#c9365b;color:#9c2444}.more-toggle{min-height:44px;padding:0 12px;border:0;background:transparent;color:#351c23;font-size:14px;white-space:nowrap}.expand-panel{background:white;border:1px solid #edd8de;padding:22px 28px;box-shadow:0 12px 25px #321c2412}.expand-panel[hidden]{display:none!important}.desktop-panel{display:grid;grid-template-columns:1fr 1fr;gap:36px}.expand-panel h2{font-size:17px;color:#351c23;margin:0 0 12px}.panel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px 16px}.panel-links a{display:flex;align-items:center;min-height:44px;border-bottom:1px solid #f5e5e9;font-size:14px}.mobile-panel,.mobile-shortcuts{display:none}.page{padding-block:52px 70px}.breadcrumb{font-size:13px;color:#76545f;margin-bottom:14px}.breadcrumb span{margin-inline:10px}.eyebrow{font-size:13px;letter-spacing:.12em;color:#a22b4b;font-weight:700;margin:0 0 10px}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#351c23;line-height:1.4}h1{font-size:clamp(28px,3.4vw,36px);margin-bottom:16px}h2{font-size:clamp(22px,2.4vw,26px)}h3{font-size:clamp(18px,2vw,20px)}p{margin-bottom:18px}.intro{font-size:17px;max-width:750px;color:#67444e}.article-layout{display:grid;grid-template-columns:minmax(0,740px) minmax(0,1fr);gap:34px;align-items:start}.article{min-width:0}.article section{padding:24px 0;border-bottom:1px solid #edd8de}.article section h2{margin-bottom:16px}.article p{line-height:1.86}.article-image,.banner-image,.card-image,.app-image,.brand-image,.footer-logo{margin:0}.article-image{margin:24px 0 30px;display:flex;justify-content:center;align-items:center}.article-image img{max-width:100%;max-height:420px;width:auto;height:auto;object-fit:contain;object-position:center}.side-note{background:#fbe9ec;padding:24px;border-radius:10px;border-top:2px solid #c9365b}.side-note h2{font-size:20px}.side-note a{display:block;min-height:44px;padding:8px 0;border-bottom:1px solid #edd8de}.related{padding-top:30px}.related h2{font-size:22px}.related-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related-links a{display:block;background:#fff;border:1px solid #edd8de;border-radius:8px;padding:12px 16px;min-height:48px}.section{padding-block:50px;border-bottom:1px solid #edd8de}.section-head{max-width:760px;margin-bottom:24px}.section-head p{margin:0}.banner-image{display:flex;justify-content:center;align-items:center;background:#fff;margin:22px 0 12px}.banner-image img{max-width:100%;max-height:340px;width:auto;height:auto;object-fit:contain}.image-caption{font-size:13px;color:#76545f}.text-links{display:flex;gap:26px;flex-wrap:wrap}.text-links a{border-bottom:1px solid #c9365b;min-height:44px;display:inline-flex;align-items:center;color:#9c2444}.split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:32px;align-items:start}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.white-card{background:#fff;border:1px solid #edd8de;border-radius:12px;padding:22px;min-width:0}.white-card h3{margin-bottom:10px}.white-card p{margin-bottom:12px}.card-image{display:flex;align-items:center;justify-content:center;margin-bottom:17px}.card-image img{width:auto;height:auto;max-width:100%;max-height:230px;object-fit:contain}.muted{color:#76545f}.small-list{padding-left:24px}.small-list li{margin:10px 0}.tinted{background:#fbe9ec;padding:27px;border-radius:12px}.light-diagram{height:90px;display:flex;align-items:center;gap:14px}.light-diagram .beam{height:2px;background:#c9365b;flex:1;transform:rotate(-8deg)}.light-diagram .orb{width:60px;height:60px;border-radius:50%;background:linear-gradient(90deg,#9d6a78,#f9d3d9);border:1px solid #c78f9d}.theme-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.theme-row a{background:#fff;border-left:2px solid #c9365b;padding:18px;display:block}.theme-row a strong{display:block;color:#351c23;font-size:18px}.theme-row a span{font-size:14px}.portfolio-path a{display:block;padding:13px 0;border-bottom:1px solid #edd8de}.app-image{display:flex;justify-content:center}.app-image img{max-width:min(260px,100%);max-height:380px;width:auto;height:auto;object-fit:contain}.mini-icon img{max-width:44px;max-height:44px;width:auto;height:auto;object-fit:contain}.faq-item{border-bottom:1px solid #edd8de;padding:17px 0}.faq-item h2{font-size:20px}.faq-item p{margin-bottom:0}.footer{background:#321c24;color:#f6e8ec;padding:46px 0 22px}.footer-brand{padding-bottom:26px;border-bottom:1px solid #694952}.footer-brand strong{color:#fff;font-size:23px}.footer-brand strong span{font-size:13px;letter-spacing:.16em;margin-left:8px}.footer-logo{display:inline-flex;vertical-align:middle;margin-right:12px}.footer-logo img{max-width:120px;max-height:42px;width:auto;height:auto;object-fit:contain}.footer-brand p{max-width:580px;margin:12px 0 0;font-size:14px}.footer-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-block:28px}.footer-groups h2{color:#fff;font-size:17px}.footer-groups a{display:inline-block;margin:0 18px 5px 0;font-size:14px;min-height:38px}.footer a:hover{color:#ffb8c7}.footer-bottom{border-top:1px solid #694952;padding-top:19px;display:flex;justify-content:space-between;gap:15px;font-size:13px;color:#e7cfd5}@media(max-width:860px){.article-layout,.split{grid-template-columns:1fr}.article{max-width:760px}.side-note{max-width:760px}.mast-right>span{display:none}.primary-inner{overflow:hidden}.nav-links{gap:13px}.nav-links a{font-size:13px}}@media(max-width:640px){body{font-size:15.5px;line-height:1.8}.container{width:calc(100% - 32px)}.info-right,.mast-right,.primary{display:none}.masthead{height:68px}.brand strong{font-size:21px}.brand-image img{max-width:105px;max-height:36px}.nav-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:76px;min-height:44px;padding:0 10px;border:1px solid #edd8de;background:white;border-radius:7px;color:#351c23}.mobile-shortcuts{display:flex;justify-content:space-between;gap:12px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin;border-top:1px solid #edd8de}.mobile-shortcuts a{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:0 7px;font-size:14px;border-bottom:2px solid transparent}.mobile-shortcuts a[aria-current=page]{border-color:#c9365b;color:#a22b4b}.mobile-panel{display:block;padding:20px}.mobile-panel section+section{margin-top:18px}.page{padding-block:30px 46px}.section{padding-block:30px}.intro{font-size:16px}.two-col,.theme-row,.related-links{grid-template-columns:1fr}.white-card{padding:17px}.tinted{padding:18px}.article-image img{max-height:320px}.banner-image img{max-height:260px}.card-image img{max-height:200px}.app-image img{max-width:210px}.footer-groups{grid-template-columns:1fr;gap:18px}.footer-bottom{flex-direction:column}.footer{padding-top:35px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}