*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FFF8F8;color:#4B3037;font:16px/1.85 system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;overflow-wrap:anywhere}a{color:#9C2444;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid #C9365B;outline-offset:3px}button{font:inherit;cursor:pointer}img{max-width:100%;height:auto;display:block}h1,h2,h3{color:#351C23;line-height:1.4;letter-spacing:.018em}h1{font-size:clamp(28px,3.2vw,36px);margin:12px 0 22px}h2{font-size:clamp(22px,2.3vw,26px);margin:0 0 20px}h3{font-size:clamp(18px,1.9vw,20px);margin:0 0 10px}p{margin:0 0 18px}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.info-strip{height:28px;background:#FBE9EC;font-size:13px;color:#76545F}.info-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.info-actions{display:flex;gap:24px}.info-actions a{color:#76545F}.masthead{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand,.footer-mark{display:inline-flex;align-items:center;gap:13px;text-decoration:none}.brand-logo{max-width:160px;max-height:42px;width:auto;height:auto;object-fit:contain}.brand-cn{font-size:26px;font-weight:750;letter-spacing:.08em}.brand-en{font:600 19px/1.2 Georgia,serif;letter-spacing:.14em;color:#351C23}.mast-right{display:flex;align-items:center;gap:26px;color:#76545F;font-size:14px}.text-button,.pill{border:1px solid #C9365B;border-radius:8px;padding:8px 17px;display:inline-flex;min-height:44px;align-items:center;justify-content:center}.text-button:hover,.pill:hover{background:#C9365B;color:white;text-decoration:none}.menu-toggle{display:none}.desktop-nav{background:#fff;border-top:1px solid #EDD8DE;border-bottom:1px solid #EDD8DE;position:relative}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}.nav-links{display:flex;gap:clamp(10px,2vw,29px);white-space:nowrap}.nav-links a,.more-toggle{font-size:14px;color:#351C23;display:inline-flex;align-items:center;min-height:49px;border-bottom:2px solid transparent}.nav-links a[aria-current=page]{color:#C9365B;border-bottom-color:#C9365B}.more-toggle{background:none;border:0;white-space:nowrap}.extra-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);z-index:8;background:#fff;border:1px solid #EDD8DE;box-shadow:0 13px 25px #351c2317;display:grid;grid-template-columns:1fr 1fr;gap:34px;padding:26px 30px}.extra-panel[hidden],.mobile-all[hidden]{display:none!important}.extra-panel h2,.mobile-all h2{font-size:16px;margin:0 0 10px}.panel-links,.mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px}.panel-links a,.mobile-grid a{padding:7px 2px;min-height:44px;display:flex;align-items:center}.mobile-quick,.mobile-all{display:none}.page-section{padding:58px 0;border-bottom:1px solid #EDD8DE}.section-heading{display:flex;align-items:center;gap:16px;margin-bottom:21px}.section-heading:after{content:"";height:1px;background:#C9365B;flex:1;opacity:.65}.eyebrow{color:#C9365B;font-size:14px;letter-spacing:.09em}.intro{max-width:760px;font-size:17px;line-height:1.9}.home-intro{padding-top:50px}.home-intro .intro{margin-bottom:30px}.article-image,.banner,.tile-image,.side-image,.app-image{margin:0;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-width:0}.article-image img,.banner img,.tile-image img,.side-image img,.app-image img{width:auto;height:auto;max-width:100%;object-fit:contain;object-position:center}.banner img{max-height:340px}.banner figcaption,.article-image figcaption,.tile-image figcaption{font-size:13px;color:#76545F;padding:5px 12px;text-align:center}.article-image{max-width:720px;margin:24px 0}.article-image img{max-height:420px}.tile-image{min-height:0;padding:12px}.tile-image img{max-height:230px}.side-image img{max-height:180px}.app-image img{max-height:380px;max-width:260px}.two-col,.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.feature-grid{grid-template-columns:minmax(0,7fr) minmax(260px,3fr);gap:32px}.feature-grid>*,.two-col>*{min-width:0}.card,.paper{background:#fff;border:1px solid #EDD8DE;border-radius:12px;padding:24px}.card p:last-child,.paper p:last-child{margin-bottom:0}.card .tile-image{margin:-12px -12px 18px}.card a.more,.more-link{display:inline-block;margin-top:7px;font-weight:600}.suggestions{margin:0;padding-left:25px}.suggestions li{padding:8px 0}.pink-area{background:#FBE9EC}.light-demo{height:120px;border:1px solid #EDD8DE;border-radius:12px;background:linear-gradient(100deg,#fff 8%,#e8b4c0 40%,#7c485a 100%);position:relative;margin-top:15px}.light-demo:after{content:"光从一侧进入，明暗逐渐过渡";position:absolute;bottom:8px;left:14px;font-size:13px;color:#351C23;background:#ffffffd9;padding:2px 8px;border-radius:5px}.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px}.topic{padding:12px 0;border-bottom:1px solid #EDD8DE}.topic p{font-size:15px;margin:4px 0}.portfolio-list a{display:block;border-bottom:1px solid #EDD8DE;padding:9px 0}.portfolio-list small{display:block;color:#76545F;font-size:14px}.longlist{display:grid;gap:12px}.longlist .card{display:grid;grid-template-columns:190px 1fr;align-items:start;gap:20px}.longlist h3{margin:0}.longlist p{font-size:15px}.inline-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}.inline-links a{min-height:44px;display:inline-flex;align-items:center}.breadcrumbs{font-size:14px;color:#76545F;margin:0 0 20px}.breadcrumbs a{color:#76545F}.article-shell{padding:48px 0 68px}.article-lead{max-width:760px;font-size:17px;line-height:1.95}.article-body{max-width:750px}.article-body>section{padding:26px 0;border-bottom:1px solid #EDD8DE}.article-body>section h2{margin-bottom:14px}.article-body p{line-height:1.9}.article-body .article-image{margin:18px 0}.article-callout{background:#FBE9EC;border-left:3px solid #C9365B;padding:18px 22px;margin:28px 0;max-width:750px}.related{border-top:2px solid #C9365B;margin-top:40px;padding-top:24px;max-width:750px}.related-links{display:flex;flex-wrap:wrap;gap:12px}.related-links a{border:1px solid #EDD8DE;border-radius:8px;padding:8px 15px;min-height:44px;display:inline-flex;align-items:center}.faq-entry{border-bottom:1px solid #EDD8DE;padding:18px 0}.faq-entry h2{font-size:19px}.site-footer{background:#321C24;color:#f9eaf0;padding-top:42px;font-size:14px}.footer-layout{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:30px}.footer-layout h2{color:white;font-size:16px;margin:0 0 12px}.footer-layout a:not(.footer-mark){display:block;color:#f7dbe5;line-height:2.2}.footer-mark{font-size:20px;color:white!important;font-weight:700}.footer-mark img{max-width:160px;max-height:42px;object-fit:contain}.footer-mark span{font:600 15px Georgia,serif;letter-spacing:.12em}.footer-brand p{margin:13px 0;color:#f3dce4}.footer-brand .rights-note{font-size:13px;color:#d9b9c5}.footer-bottom{border-top:1px solid #704954;margin-top:35px;padding:18px 0;font-size:13px;color:#e7c4d0} [hidden]{display:none!important}@media(max-width:860px){.desktop-nav{display:none}.masthead{height:70px}.mast-right{display:none}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:74px;min-height:44px;border:1px solid #EDD8DE;background:#fff;border-radius:8px;color:#351C23}.mobile-quick{display:flex;overflow-x:auto;scrollbar-width:thin;white-space:nowrap;background:#fff;border-top:1px solid #EDD8DE;border-bottom:1px solid #EDD8DE;gap:21px;padding:0 20px}.mobile-quick a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;color:#351C23;flex:none;border-bottom:2px solid transparent}.mobile-quick a[aria-current=page]{border-bottom-color:#C9365B;color:#C9365B}.mobile-all:not([hidden]){display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;background:#fff;padding-block:23px}.feature-grid{grid-template-columns:1fr}.article-shell{padding-top:34px}.footer-layout{grid-template-columns:repeat(2,minmax(0,1fr))}.longlist .card{grid-template-columns:1fr;gap:6px}}@media(max-width:640px){body{font-size:15.5px;line-height:1.8}.container{width:calc(100% - 32px)}.info-actions{display:none}.brand-logo{max-width:115px;max-height:39px}.brand-en{font-size:15px}.brand{gap:8px}.brand-cn{font-size:22px}.page-section{padding:34px 0}.home-intro{padding-top:29px}.two-col,.topic-list{grid-template-columns:1fr;gap:14px}.card,.paper{padding:17px}.card .tile-image{margin:-6px -6px 14px}.tile-image img{max-height:190px}.banner img{max-height:260px}.article-image img{max-height:320px}.app-image img{max-width:210px;max-height:340px}.mobile-all:not([hidden]){grid-template-columns:1fr;gap:14px}.mobile-grid{gap:0 13px}.mobile-grid a{padding:6px 0}.article-lead,.intro{font-size:16px}.article-body>section{padding:20px 0}.footer-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px}.footer-brand{grid-column:1/-1}.light-demo{height:100px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}