*:where(:not(svg)){box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#333;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78}a{color:inherit;text-decoration:none}a:hover{color:#c45a12}button{font:inherit;cursor:pointer}img{max-width:100%}.container{width:min(100% - 48px,1100px);margin-inline:auto}.skip-link{position:absolute;left:-999px;top:0;background:white;padding:8px;z-index:20000}.skip-link:focus{left:8px}.site-header{background:#fff;border-bottom:1px solid #ececec}.topbar{height:70px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;width:150px;min-width:100px}.brand .media{height:34px;width:150px;background:transparent}.brand .media>img{object-position:left center}.brand-copy{display:flex;flex-direction:column;gap:0;line-height:1.3;margin-right:auto}.brand-copy strong{font-size:16px;letter-spacing:.13em;color:#1a1a1a}.brand-copy span{font-size:12px;color:#777}.register{padding:6px 25px;min-width:84px;min-height:40px;text-align:center;font-weight:700;border-radius:999px;background:linear-gradient(90deg,#ff8a00,#ffc44d);color:#222;display:inline-flex;justify-content:center;align-items:center}.register:hover{color:#111}.primary-nav{border-top:1px solid #f0f0f0}.nav-inner{display:flex;align-items:stretch;justify-content:space-between;height:50px}.nav-inner a{display:flex;align-items:center;position:relative;white-space:nowrap;padding:0 14px;font-size:15px}.nav-inner a.active{color:#c45a12;font-weight:700}.nav-inner a.active:after{content:"";height:2px;background:#ff8a00;position:absolute;inset:auto 14px 0}.quick-nav{background:#f6f7f9}.quick-inner{display:flex;justify-content:center;gap:32px;align-items:center;min-height:40px;flex-wrap:wrap;padding-block:6px}.quick-inner a{font-size:13px;color:#626262;white-space:nowrap}.site-main{padding-block:28px 62px;min-height:55vh}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:#c45a12;font-size:13px;font-weight:700;margin-bottom:8px}.page-intro{margin-bottom:25px}.page-intro h1,.home-intro h1{color:#1a1a1a;margin:0 0 10px;font-size:32px;line-height:1.36}.home-intro h1{font-size:36px}.page-intro p,.home-intro p{margin:0;color:#666;max-width:850px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #e9e9e9;padding-bottom:10px;margin:36px 0 18px}.section-title h2{margin:0;font-size:24px;color:#1a1a1a;line-height:1.4}.section-title a{font-size:14px;color:#c45a12}.media{position:relative;display:block;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#f6f7f9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-16x9{aspect-ratio:16/9}.media-3x4{aspect-ratio:3/4}.hero{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:24px;align-items:start}.hero>.media{max-height:280px}.hero-notes{display:grid;gap:11px}.hero-notes a{padding:10px 0;border-bottom:1px solid #ececec;display:block}.hero-notes strong{display:block;color:#222;font-size:17px}.hero-notes small{display:block;color:#777;font-size:13px;line-height:1.65}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{padding:20px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:12px;min-width:0}.card h3{font-size:18px;color:#1a1a1a;line-height:1.38;margin:0 0 8px}.card p{font-size:14px;color:#666;margin:0 0 13px}.text-link{color:#bc5811;font-size:14px;font-weight:600}.split{display:grid;grid-template-columns:minmax(0,1.95fr) minmax(0,1fr);gap:26px}.prose h2{color:#1a1a1a;font-size:23px;margin:25px 0 10px}.prose h3{color:#222;font-size:18px;margin:20px 0 8px}.prose p{margin:0 0 17px;line-height:1.8}.prose article{padding-bottom:12px;border-bottom:1px solid #eee}.side-panel{padding:20px;background:#f6f7f9;border-radius:12px;align-self:start}.side-panel h2{font-size:20px;margin:0 0 10px}.side-panel a{display:block;font-size:14px;padding:9px 0;border-bottom:1px solid #e3e3e3}.article-list>a{display:block;padding:17px 0;border-bottom:1px solid #ececec}.article-list h3{font-size:18px;margin:0 0 5px;color:#222}.article-list p{margin:0;color:#777;font-size:14px}.picture-grid .media{max-height:230px}.picture-grid h3{margin:12px 0 3px;font-size:17px}.picture-grid p{font-size:14px;color:#777;margin:0}.brand-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.brand-card{padding:16px;border:1px solid #eaeaea;border-radius:12px;min-width:0}.brand-card .media{height:86px}.brand-card h3{margin:10px 0 4px;font-size:17px;color:#222}.brand-card p{font-size:13px;color:#666;line-height:1.65;margin:0}.muted-panel{background:#f6f7f9;border-radius:14px;padding:23px}.faq-list details{border-bottom:1px solid #e6e6e6;padding:13px 0}.faq-list summary{cursor:pointer;font-weight:700;color:#222}.faq-list p{margin:12px 0 0}.related-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.related-links a{background:#f6f7f9;padding:7px 13px;border-radius:6px;font-size:14px}.site-footer{background:#1a1a1a;color:#f5f5f5;padding:38px 0 15px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:26px}.footer-grid h2{font-size:16px;margin:0 0 12px}.footer-grid p{font-size:13px;color:#ddd;margin:0}.footer-grid a{display:block;font-size:13px;color:#ddd;margin:8px 0}.footer-grid a:hover{color:#ffc44d}.footer-logo{width:135px;margin-bottom:12px}.footer-logo .media{height:32px;background:transparent}.foot-bottom{display:flex;gap:14px;justify-content:space-between;border-top:1px solid #3b3b3b;margin-top:26px;padding-top:14px;font-size:12px;color:#ccc}.menu-button,.mobile-drawer,.drawer-mask,.mobile-bottom{display:none}.media-placeholder{background:#f6f7f9}.app-layout{display:grid;grid-template-columns:1.5fr minmax(160px,.8fr);gap:30px}.app-layout .media{max-width:240px}.callout{border-left:3px solid #ff8a00;padding:14px 20px;background:#f6f7f9;margin:20px 0}.callout p{margin:0}@media(max-width:980px){.container{width:calc(100% - 40px)}.primary-nav,.quick-nav,.brand-copy{display:none}.topbar{height:58px;justify-content:space-between}.brand{margin:auto;width:125px}.brand .media{height:28px;width:125px}.register{height:36px;min-height:36px;min-width:72px;padding:5px 18px;font-size:14px}.menu-button{display:flex;flex-direction:column;justify-content:center;gap:4px;border:0;background:transparent;width:42px;height:42px;padding:9px}.menu-button span{display:block;background:#222;width:23px;height:2px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100vh;height:100dvh;background:#fff;color:#1a1a1a;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;overflow-y:auto;visibility:hidden}.mobile-drawer.is-open{transform:translateX(0);visibility:visible}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}body.drawer-open{overflow:hidden}.drawer-top{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid #eee}.drawer-brand{width:128px}.drawer-brand .media{height:30px}.drawer-close{font-size:30px;border:0;background:transparent;line-height:1;padding:8px 13px}.drawer-group{padding:12px 18px}.drawer-group h2{font-size:13px;color:#bc5811;margin:7px 0}.drawer-group a{display:block;padding:8px 6px;min-height:40px;border-bottom:1px solid #f2f2f2;font-size:15px}.mobile-bottom{height:61px;display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:1000;background:#fff;border-top:1px solid #eaeaea;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:14px;color:#333}.mobile-bottom a.active{color:#c45a12;font-weight:700}.site-footer{margin-bottom:61px}.brand-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.page-intro h1{font-size:28px}.home-intro h1{font-size:30px}}@media(max-width:640px){.container{width:calc(100% - 30px)}.site-main{padding-block:22px 38px}.home-intro h1{font-size:27px}.page-intro h1{font-size:25px}.section-title{margin:28px 0 14px}.section-title h2{font-size:20px}.hero,.split,.grid-2,.app-layout{grid-template-columns:1fr}.hero>.media{max-height:190px}.hero-notes{gap:0}.hero-notes a{padding:9px 0}.card{padding:15px}.grid-4{gap:12px}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.brand-card{padding:12px}.brand-card .media{height:73px}.brand-card h3{font-size:16px}.picture-grid .media{max-height:170px}.prose h2{font-size:20px}.prose p{font-size:15px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px}.foot-bottom{flex-direction:column}.app-layout .media{width:205px;margin:auto}.muted-panel{padding:18px}.related-links{gap:8px}}@media(max-width:350px){.grid-4{grid-template-columns:1fr}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{gap:4px}.brand{width:108px}.register{padding-inline:12px}}
