*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F5F8FA;color:#294356;font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:#176A91;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid #D1A35B;outline-offset:3px}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center center}h1,h2,h3,p{overflow-wrap:break-word}h1,h2,h3{color:#173044;line-height:1.35;margin:0 0 16px}h1{font-size:30px}h2{font-size:23px}h3{font-size:18px}p{margin:0 0 16px}small,.eyebrow,.kicker{color:#607789;font-size:14px}.site-head{background:#fff;border-bottom:1px solid #DCE6EC}.head-inner,.strip-inner,.page-wrap,.footer-inner{width:min(1120px,calc(100% - 48px));margin:0 auto;min-width:0}.head-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:750;color:#173044;white-space:nowrap;min-width:0}.brand small{display:block;font-size:10px;letter-spacing:.19em;line-height:1;color:#607789}.brand-logo{max-width:140px;max-height:34px;width:auto}.top-links{display:flex;align-items:center;gap:25px;font-size:14px}.top-links a{color:#173044}.outlined a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid #176A91;border-radius:8px;padding:0 17px;color:#176A91}.category-strip{background:#EAF3F7;border-bottom:1px solid #DCE6EC}.strip-inner{height:46px;display:flex;gap:26px;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.strip-inner a{color:#294356;font-size:14px;flex:none}.strip-inner a[aria-current],.top-links a[aria-current]{font-weight:750;color:#176A91;border-bottom:2px solid #D1A35B}.page-wrap{padding:32px 0 70px;min-height:55vh}.section{margin:0 0 56px;min-width:0}.section-head{max-width:760px;margin-bottom:23px}.section-head p,.lead{color:#607789}.hero{background:#fff;padding:34px;border:1px solid #DCE6EC;border-radius:12px}.hero-copy{max-width:760px}.hero-copy h1{max-width:720px}.hero-banner{margin-top:27px;background:#F7F1E6;border-radius:10px;display:flex;align-items:center;justify-content:center;min-width:0}.hero-banner img{max-width:100%;max-height:280px;width:auto;height:auto}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:7px 18px;border:1px solid #176A91;border-radius:8px;background:#176A91;color:#fff;font-size:14px}.btn.secondary{background:#fff;color:#176A91}.btn:hover{text-decoration:none;background:#123247;color:white}.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card,.article-card{min-width:0;background:#fff;border:1px solid #DCE6EC;border-radius:12px;padding:22px;box-shadow:0 3px 12px #12324708}.card p:last-child,.article-card p:last-child{margin-bottom:0}.card h3 a,.article-card h3 a{color:#173044}.feature-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,1fr);gap:20px}.feature-grid>*{min-width:0}.side-stack{display:grid;gap:20px}.image-slot{background:#F7F1E6;border-radius:10px;display:flex;align-items:center;justify-content:center;min-width:0;margin-bottom:17px}.image-slot img{max-width:100%;max-height:170px;width:auto;height:auto}.image-slot.large img{max-height:240px;max-width:520px}.feature-split{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(260px,1fr);gap:26px;align-items:center;min-width:0}.feature-split>*{min-width:0}.tint-blue{background:#EAF3F7;padding:28px;border-radius:12px}.tint-sand{background:#F7F1E6;padding:28px;border-radius:12px}.editorial-list{display:grid;gap:15px}.editorial-list article{border-bottom:1px solid #DCE6EC;padding-bottom:14px}.editorial-list article:last-child{border:0}.plain-number{font-size:14px;letter-spacing:.15em;color:#176A91}.quick-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px}.quick-links a{display:block;border-bottom:1px solid #DCE6EC;padding:8px 0}.app-image{max-width:240px;max-height:340px;width:auto;height:auto;margin:auto}.icon-image{max-width:48px;max-height:48px;width:auto;height:auto}.breadcrumbs{font-size:14px;color:#607789;margin:0 0 22px}.breadcrumbs a{color:#607789}.article-intro{max-width:760px;margin-bottom:30px}.article-intro .lead{font-size:17px}.article-cover{max-width:520px;max-height:240px;margin:0 0 24px;background:#F7F1E6;border-radius:10px}.article-cover img{max-width:100%;max-height:240px;width:auto;height:auto}.long-body{max-width:760px}.long-body section{margin:0 0 30px;padding-bottom:10px;border-bottom:1px solid #DCE6EC}.long-body section:last-child{border:0}.long-body p{line-height:1.88}.note{border-left:3px solid #D1A35B;background:#F7F1E6;padding:16px 19px;border-radius:0 8px 8px 0;margin:18px 0}.related{margin-top:40px;padding:22px;background:#EAF3F7;border-radius:12px}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{background:white;border:1px solid #DCE6EC;border-radius:8px;padding:8px 14px;min-height:44px;display:inline-flex;align-items:center}.faq-list{max-width:800px}.faq-list section{padding:20px 0;border-bottom:1px solid #DCE6EC}.faq-list h2{font-size:19px}.site-footer{background:#123247;color:#fff;padding:42px 0 20px}.footer-intro{display:flex;align-items:flex-start;gap:22px;border-bottom:1px solid #ffffff35;padding-bottom:24px}.footer-intro>div{max-width:760px}.footer-intro strong{font-size:19px}.footer-intro p{margin-top:8px;font-size:14px;color:#e6eef3}.footer-logo{max-width:130px;max-height:30px;width:auto}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:25px 0}.footer-groups h2{font-size:15px;color:white}.footer-groups a{display:block;color:#e4edf3;font-size:13px;padding:5px 0}.footer-bottom{font-size:13px;border-top:1px solid #ffffff35;padding-top:17px;color:#d6e4ed}.bottom-nav{display:none}.mobile-panel[hidden]{display:none!important}a[aria-current="page"]{font-weight:750}@media(max-width:960px){.feature-grid{grid-template-columns:minmax(0,1.5fr) minmax(210px,1fr)}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.strip-inner{gap:20px}.feature-split{grid-template-columns:minmax(0,1fr) minmax(230px,1fr)}.hero-banner img{max-height:230px}}@media(max-width:767px){body{font-size:15px;line-height:1.75}.head-inner,.page-wrap,.footer-inner{width:calc(100% - 32px)}.head-inner{height:60px}.top-links,.category-strip{display:none}.menu-button{display:inline-flex!important;align-items:center;justify-content:center;gap:8px;min-height:44px;background:white;border:1px solid #DCE6EC;border-radius:8px;padding:0 14px;color:#173044;font-size:14px}.brand{font-size:18px}.brand-logo{max-width:90px;max-height:30px}.mobile-panel{background:#fff;border-bottom:1px solid #DCE6EC;box-shadow:0 8px 20px #12324712}.mobile-panel-inner{max-height:calc(100dvh - 72px);overflow-y:auto;padding:13px 16px 20px}.mobile-panel section{margin:0 0 15px}.mobile-panel h2{font-size:15px;margin:5px 0}.menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.menu-grid a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border:1px solid #DCE6EC;border-radius:8px;background:#F5F8FA;font-size:14px;color:#173044}.page-wrap{padding:22px 0 calc(100px + env(safe-area-inset-bottom))}.section{margin-bottom:38px}h1{font-size:25px}h2{font-size:21px}h3{font-size:17px}.hero{padding:18px}.hero-banner img{max-height:190px}.grid4,.grid3,.feature-grid,.feature-split{grid-template-columns:1fr}.card,.article-card{padding:17px}.side-stack{gap:14px}.tint-blue,.tint-sand{padding:18px}.feature-split{gap:15px}.image-slot.large img,.article-cover img{max-height:190px}.image-slot img{max-height:170px}.app-image{max-height:300px}.footer-intro{flex-direction:column;gap:12px}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:white;border-top:1px solid #DCE6EC;box-shadow:0 -3px 12px #1232470c}.bottom-nav a{display:flex;align-items:center;justify-content:center;font-size:12px;color:#294356;min-width:0}.bottom-nav a[aria-current]{color:#176A91;border-top:3px solid #D1A35B}.quick-links{grid-template-columns:1fr}}@media(max-width:350px){.brand-logo{max-width:66px}.brand{font-size:16px}.menu-button{padding:0 9px}.hero{padding:16px}.footer-groups{gap:10px}}