:root{--bg:#F6F7F5;--white:#fff;--dark:#12263A;--heading:#14263A;--text:#293847;--muted:#596B78;--accent:#176B83;--gold:#D59B58;--border:#DCE4E4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.73 system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;overflow-x:hidden}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration-color:var(--gold)}button{font:inherit;cursor:pointer}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid #B77D36;outline-offset:3px}img{max-width:100%;height:auto;object-fit:contain;object-position:center}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--heading);line-height:1.32;overflow-wrap:anywhere}p{max-width:75ch}.wrap{max-width:1160px;margin:auto;padding-inline:28px}.skip{position:absolute;top:-100px;left:10px;z-index:100;background:white;padding:10px}.skip:focus{top:10px}.site-header{position:relative;z-index:20;background:white;border-bottom:1px solid var(--border)}.head-inner{height:72px;display:flex;align-items:center;gap:30px}.brand{flex-shrink:0;color:var(--heading);font-size:23px;text-decoration:none;font-weight:900;white-space:nowrap}.brand-text b{color:var(--accent)}.brand-img{display:block;width:auto;max-width:165px;height:32px;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:clamp(12px,2.4vw,35px);margin:auto}.desktop-nav a{color:var(--heading);font-weight:650;text-decoration:none;padding:21px 0 17px;border-bottom:3px solid transparent;white-space:nowrap}.desktop-nav a[aria-current=page]{color:var(--accent);border-color:var(--accent)}.head-actions{display:flex;align-items:center;gap:12px}.menu-toggle,.app-link,.btn{border:1px solid var(--border);border-radius:10px;padding:8px 16px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;white-space:normal}.menu-toggle{background:white;color:var(--heading)}.app-link,.btn.primary{background:var(--dark);color:white;border-color:var(--dark)}.mobile-label{display:none}.menu-panel{position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 16px 35px #12263a18;border-bottom:1px solid var(--border);max-height:min(78vh,760px);overflow:auto}.menu-panel[hidden]{display:none}.menu-inner{max-width:960px;padding-block:22px 28px}.menu-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.menu-top button{background:none;border:1px solid var(--border);border-radius:8px;min-height:44px;padding:0 14px}.menu-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.menu-group h2{font-size:17px;border-bottom:2px solid var(--gold);padding-bottom:9px}.menu-links{display:grid;gap:5px}.menu-links a{display:flex;justify-content:space-between;gap:8px;text-decoration:none;color:var(--heading);border-radius:8px;padding:7px 8px}.menu-links a:hover{background:var(--bg)}.menu-links small{font-size:12px;color:var(--muted);text-align:right}.section{padding-block:56px}.section.alt{background:white}.section.dark{background:var(--dark);color:white}.section.dark h2,.section.dark p,.section.dark a{color:white}.eyebrow{display:inline-block;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:12px}.section.dark .eyebrow{color:#BFD9DC}h1{font-size:clamp(28px,3vw,34px);margin-bottom:16px}h2{font-size:clamp(21px,2.3vw,26px);margin-bottom:16px}h3{font-size:19px;margin-bottom:11px}.lead{font-size:17px;line-height:1.8}.two-col,.feature{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:center}.feature.reverse{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}.feature.reverse .media{order:-1}.media{display:flex;align-items:center;justify-content:center;min-width:0;background:#F1F0EB;border-radius:12px;padding:12px}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:220px}.hero .media img{max-height:320px}.hero .media{min-height:0}.hero .two-col{grid-template-columns:minmax(0,56fr) minmax(0,44fr)}.phone img{max-height:400px}.badge-img{width:52px;height:52px;object-fit:contain}.actions,.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{padding:11px 19px;font-weight:700}.btn.secondary{background:#fff;color:var(--heading)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid var(--border);border-radius:12px;background:white;padding:22px;min-width:0}.card p{margin-bottom:8px}.card a{text-decoration:none;font-weight:700}.card a:hover{text-decoration:underline}.number{color:#A46A2C;font-size:13px;font-weight:800;letter-spacing:.13em}.section-head{max-width:740px;margin-bottom:26px}.section-head p{color:var(--muted)}.compact-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.compact-links a{display:block;text-decoration:none;color:var(--heading);background:white;border-left:3px solid var(--gold);padding:15px;border-radius:6px}.compact-links b{display:block;margin-bottom:5px}.compact-links small{display:block;font-size:14px;color:var(--muted);line-height:1.6}.prose{max-width:830px}.prose p{max-width:75ch}.page-top{padding-block:36px 28px;border-bottom:1px solid var(--border);background:white}.page-top .intro{max-width:810px;margin-bottom:12px}.crumb{font-size:14px;color:var(--muted)}.crumb a{color:var(--muted)}.article-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(180px,250px);gap:42px;align-items:start}.article-section{padding-block:42px 54px}.article-section .media{max-width:520px;margin:0 0 28px}.article-section .media img{max-height:225px}.article-section .media.phone img{max-height:400px}.article-body section{margin:0 0 29px;padding-bottom:18px;border-bottom:1px solid var(--border)}.article-body h2{font-size:23px;margin-bottom:10px}.article-body p{margin:0;line-height:1.78}.article-body section:nth-child(2n){padding-left:17px;border-left:3px solid var(--gold)}.side{background:white;border:1px solid var(--border);border-radius:12px;padding:18px;position:sticky;top:20px}.side h2{font-size:17px}.side a{display:block;padding:9px 0;border-top:1px solid var(--border);text-decoration:none}.related{margin-top:30px;background:#EAF0EF;border-radius:12px;padding:22px}.related h2{font-size:20px}.related a{display:inline-block;margin-right:20px;margin-bottom:8px}.site-footer{background:#EAF0EF;border-top:1px solid var(--border);padding-block:40px 26px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px}.footer-grid h2{font-size:17px}.footer-grid a{display:block;margin-block:5px;color:var(--text);font-size:14px;text-decoration:none}.footer-grid a:hover{text-decoration:underline}.footer-note{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--border);margin-top:30px;padding-top:18px}.footer-note p{font-size:13px;color:var(--muted);margin:0;max-width:750px}.bottom-nav{display:none}.text-list{border-top:1px solid var(--border)}.text-list a{display:flex;align-items:baseline;gap:20px;padding:17px 0;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text)}.text-list a b{min-width:130px;color:var(--heading)}.text-list a span{font-size:14px;color:var(--muted)}.notice{border-left:3px solid var(--gold);padding:13px 18px;background:#fff;margin-bottom:20px}.faq-item{border-bottom:1px solid var(--border);padding:21px 0}.faq-item h2{font-size:20px}.faq-item p{margin-bottom:0}
@media(max-width:900px){.wrap{padding-inline:22px}.desktop-nav{gap:13px}.head-inner{gap:14px}.menu-grid{gap:13px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:24px}}
@media(max-width:700px){body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}.wrap{padding-inline:16px}.head-inner{height:62px;justify-content:space-between;gap:8px}.brand{font-size:19px}.brand-img{height:29px;max-width:105px}.desktop-nav{display:none}.head-actions{gap:7px}.menu-toggle{padding-inline:11px}.desktop-label{display:none}.mobile-label{display:inline}.app-link{font-size:14px;padding-inline:10px}.menu-panel{position:static;max-height:none;box-shadow:none;overflow:visible}.menu-inner{padding-block:12px}.menu-top{margin-bottom:9px}.menu-grid{grid-template-columns:1fr;gap:8px}.menu-group h2{font-size:15px;margin:0;padding:7px 0;border-width:1px}.menu-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}.menu-links a{display:block;padding:7px 4px;font-size:14px}.menu-links small{display:block;text-align:left}.section{padding-block:38px}.hero .two-col,.two-col,.feature,.feature.reverse,.article-layout{grid-template-columns:minmax(0,1fr);gap:20px}.feature.reverse .media{order:0}.hero .media img{max-height:260px}.phone img,.article-section .media.phone img{max-height:320px}.grid,.grid.four{grid-template-columns:minmax(0,1fr)}.compact-links{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:18px}.article-section{padding-block:28px 40px}.article-body h2{font-size:21px}.article-body section:nth-child(2n){padding-left:12px}.side{position:static}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.footer-note{align-items:flex-start;flex-direction:column}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);z-index:15}.bottom-nav a{text-decoration:none;color:var(--muted);font-size:13px;display:flex;align-items:center;justify-content:center;min-height:44px}.bottom-nav a[aria-current=page]{color:var(--accent);font-weight:800;border-top:2px solid var(--accent)}.site-footer{padding-bottom:36px}.text-list a{display:block}.text-list a b{display:block}.text-list a span{display:block}.menu-links a{overflow-wrap:anywhere}}
@media(max-width:370px){.compact-links{grid-template-columns:1fr}.head-actions{gap:4px}.head-inner{gap:4px}.brand{font-size:17px}.menu-toggle,.app-link{font-size:13px;padding-inline:7px}}