*{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","Noto Sans CJK SC",sans-serif;overflow-x:clip}a{color:#176A91;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid #D1A35B;outline-offset:3px}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center center}button{font:inherit;cursor:pointer}.wrap{max-width:1120px;margin-inline:auto;width:calc(100% - 48px);min-width:0}.sitehead{background:#fff;border-bottom:1px solid #DCE6EC;position:relative;z-index:5}.topline{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#173044}.brand:hover{text-decoration:none}.brand strong{font-size:20px;letter-spacing:.03em}.brand small{display:block;font-size:10px;line-height:1;letter-spacing:.22em;color:#607789}.brandlogo{max-width:140px;max-height:34px;width:auto}.toplinks{display:flex;gap:22px;align-items:center;font-size:14px}.toplinks a{color:#294356;min-height:44px;display:inline-flex;align-items:center}.toplinks .outline{border:1px solid #176A91;border-radius:9px;padding:0 18px;color:#176A91}.navbelt{background:#EAF3F7}.navinner{height:46px;display:flex;align-items:center;gap:23px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.navinner a{height:44px;display:inline-flex;align-items:center;flex:none;color:#294356;font-size:14px}.navinner [aria-current=page],.toplinks [aria-current=page]{color:#176A91;font-weight:700;border-bottom:2px solid #D1A35B}.menubtn,.mobilemenu,.bottomnav{display:none}main{padding-top:34px;padding-bottom:56px}h1,h2,h3,p{margin-top:0}h1{color:#173044;font-size:30px;line-height:1.36}h2{font-size:23px;line-height:1.4;color:#173044}h3{font-size:18px;line-height:1.45;color:#173044}p{margin-bottom:14px}.eyebrow{font-size:13px;color:#176A91;font-weight:700;letter-spacing:.08em}.intro{font-size:16px;max-width:760px;color:#607789}.crumb{font-size:14px;margin-bottom:18px;color:#607789}.crumb a{color:#607789}.pagehead{margin-bottom:34px;border-bottom:1px solid #DCE6EC;padding-bottom:24px}.article{max-width:760px;min-width:0}.article section{margin-bottom:35px}.article p{line-height:1.9}.section{margin-block:54px}.sectionhead{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:20px}.sectionhead p{max-width:650px}.sectionhead a,.more{font-size:14px;white-space:normal}.card{background:#fff;border:1px solid #DCE6EC;border-radius:12px;padding:22px;box-shadow:0 6px 22px #17304408;min-width:0}.card p:last-child{margin-bottom:0}.card h3 a{color:#173044}.tag{font-size:13px;color:#176A91;font-weight:700}.btnrow{display:flex;flex-wrap:wrap;gap:10px;margin:23px 0}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:8px 18px;border-radius:9px;background:#176A91;color:#fff;font-size:14px}.btn:hover{color:#fff;background:#135674;text-decoration:none}.btn.alt{background:#fff;color:#176A91;border:1px solid #176A91}.hero{padding:18px 0 0}.hero h1{max-width:740px}.hero .intro{max-width:800px}.banner{background:#F7F1E6;max-width:1120px;max-height:280px;border-radius:12px;display:flex;align-items:center;justify-content:center;min-width:0;margin-top:28px}.banner:has(img){padding:10px}.banner img{max-height:260px;width:auto;max-width:100%;object-fit:contain}.banner:not(:has(img)){min-height:0;padding:0}.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}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.leadlayout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:18px;align-items:start}.leadlayout .side{display:grid;gap:18px}.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr);gap:28px;align-items:center}.split.reverse{grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr)}.softblue{background:#EAF3F7;border-radius:12px;padding:28px}.sand{background:#F7F1E6;border-radius:12px;padding:28px}.figslot{min-width:0;display:flex;justify-content:center;align-items:center;background:#F7F1E6;border-radius:12px}.figslot:has(img){padding:12px}.figslot img{max-height:240px;max-width:100%;width:auto}.figslot:empty{display:none}.cardimg img{max-height:170px;width:auto;margin:0 auto 15px}.appslot img{max-width:240px;max-height:340px;width:auto}.iconimg img{max-width:48px;max-height:48px}.article-figure{max-width:520px;margin:0 0 24px}.article-figure img{max-height:240px}.minirow{display:flex;align-items:flex-start;gap:14px;border-bottom:1px solid #DCE6EC;padding:14px 0}.minirow>*{min-width:0}.minirow .num{font-weight:700;color:#D1A35B}.indexgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.indexgrid a{display:block;min-height:44px;padding:9px 0;border-bottom:1px solid #DCE6EC}.indexgrid a:after{content:' ↗';font-size:12px}.related{margin-top:45px;border-top:1px solid #DCE6EC;padding-top:24px}.related h2{font-size:20px}.relatedlinks{display:flex;gap:10px;flex-wrap:wrap}.relatedlinks a{padding:9px 15px;border:1px solid #DCE6EC;background:#fff;border-radius:9px;min-height:44px}.faqitem{background:#fff;border:1px solid #DCE6EC;border-radius:12px;padding:22px;margin-bottom:16px;max-width:860px}.faqitem h2{font-size:19px}.sitefooter{background:#123247;color:#eaf3f7;padding:46px 0 22px;font-size:13px}.sitefooter a{color:#eaf3f7;display:block;min-height:35px}.footintro{max-width:660px}.footintro p{line-height:1.8}.footbrand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:18px}.footbrand span{font-size:12px;letter-spacing:.1em}.footlogo{max-width:130px;max-height:30px}.footgroups{border-top:1px solid #436072;border-bottom:1px solid #436072;padding:25px 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footgroups h2{font-size:15px;color:#fff;margin-bottom:12px}.footbottom{padding-top:20px;color:#b7cbd7}@media(max-width:1020px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.navinner{gap:18px}.toplinks{gap:13px}.leadlayout{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}}@media(max-width:767px){body{font-size:15px}.wrap{width:calc(100% - 32px)}.topline{height:60px}.brand strong{font-size:18px}.brandlogo{max-width:105px;max-height:30px}.toplinks,.navbelt{display:none}.menubtn{display:inline-flex;align-items:center;justify-content:center;min-width:72px;min-height:44px;border:1px solid #DCE6EC;background:#fff;border-radius:9px;color:#173044;font-size:14px;gap:7px}.mobilemenu:not([hidden]){display:block;position:absolute;top:60px;left:0;right:0;background:#fff;border-top:1px solid #DCE6EC;border-bottom:1px solid #DCE6EC;box-shadow:0 12px 20px #17304418;max-height:calc(100dvh - 116px);overflow-y:auto;overscroll-behavior:contain}.menugrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding-top:18px;padding-bottom:22px}.menugrid section{min-width:0}.menugrid h2{font-size:14px;margin:0 0 5px;color:#607789}.menulinks{display:grid;gap:2px}.menulinks a{min-height:44px;display:flex;align-items:center;padding:6px 8px;font-size:14px;border-radius:8px;color:#294356;overflow-wrap:anywhere}.menulinks a[aria-current=page]{background:#EAF3F7;color:#176A91;font-weight:700}.bottomnav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid #DCE6EC;z-index:8;box-shadow:0 -2px 12px #1730440a}.bottomnav a{display:flex;align-items:center;justify-content:center;min-width:0;min-height:44px;font-size:13px;color:#294356}.bottomnav a[aria-current=page]{font-weight:700;color:#176A91;border-top:2px solid #D1A35B}.sitefooter{padding-bottom:calc(25px + 56px + env(safe-area-inset-bottom))}main{padding-top:25px;padding-bottom:40px}h1{font-size:25px}h2{font-size:21px}h3{font-size:17px}.section{margin-block:38px}.card{padding:17px}.grid4,.grid3,.grid2,.leadlayout,.split,.split.reverse,.indexgrid{grid-template-columns:minmax(0,1fr)}.leadlayout .side{grid-template-columns:minmax(0,1fr)}.softblue,.sand{padding:18px}.banner{max-height:190px}.banner img{max-height:170px}.figslot img,.article-figure img{max-height:190px}.appslot img{max-height:300px;max-width:210px}.footgroups{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.sectionhead{align-items:start;flex-direction:column;gap:4px}.sectionhead h2{margin-bottom:0}}@media(max-width:360px){.brandlogo{max-width:82px}.menugrid{gap:9px}.menulinks a{padding:6px 3px}.btnrow{gap:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}