*{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}img{max-width:100%}.container{max-width:1100px;margin:0 auto;padding-left:24px;padding-right:24px}.site-header{background:#fff;border-bottom:1px solid #ebedf0}.topbar{height:70px;display:flex;align-items:center;gap:18px}.logo{display:inline-flex;align-items:center;flex:none;min-width:88px;color:#c45a12;font-size:24px;font-weight:900}.logo img{width:auto;height:34px;object-fit:contain}.brand-sub{display:flex;flex-direction:column;gap:0;line-height:1.4;color:#666;font-size:12px}.brand-sub strong{color:#1a1a1a;font-size:14px;letter-spacing:.12em}.register-link{margin-left:auto;display:inline-flex;min-width:90px;height:42px;padding:0 22px;justify-content:center;align-items:center;border-radius:999px;color:#462c0a;background:linear-gradient(90deg,#ff8a00,#ffc44d);font-weight:700}.register-link:hover{color:#241400}.desktop-nav{border-top:1px solid #f1f1f1}.nav-inner{height:50px;display:flex;align-items:stretch;justify-content:space-between;gap:10px;white-space:nowrap}.nav-inner a{display:flex;align-items:center;border-bottom:2px solid transparent;font-size:15px;padding:0 7px;color:#333}.nav-inner a.active,.nav-inner a[aria-current=page]{border-bottom-color:#ff8a00;color:#c45a12;font-weight:bold}.quick-nav{background:#f6f7f9}.quick-inner{min-height:41px;display:flex;align-items:center;justify-content:center;gap:25px;flex-wrap:wrap}.quick-inner a{font-size:13px;color:#555;white-space:nowrap}.page-content{padding-top:24px;padding-bottom:72px;min-height:55vh}h1,h2,h3{color:#1a1a1a;line-height:1.38;margin:0 0 16px}h1{font-size:32px}h2{font-size:24px}h3{font-size:19px}p{margin:0 0 16px}section{margin-bottom:36px}.eyebrow{font-size:13px;color:#b65d1f;font-weight:700;letter-spacing:.08em;margin-bottom:8px}.page-intro{margin-bottom:28px;border-bottom:1px solid #e9e9e9;padding-bottom:23px}.page-intro p{color:#666;max-width:850px;margin-bottom:0}.inline-links{display:flex;gap:10px 20px;flex-wrap:wrap;margin-top:18px}.inline-links a{font-size:14px;color:#b7540f;text-decoration:underline;text-underline-offset:4px}.content-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(230px,3fr);gap:38px;align-items:start}.article-section{margin-bottom:34px}.article-section h2{font-size:23px;padding-bottom:10px;border-bottom:1px solid #ececec}.article-section p{line-height:1.8}.sidebar{background:#f6f7f9;border-radius:12px;padding:22px;position:sticky;top:16px}.sidebar h2{font-size:19px}.sidebar a{display:block;padding:11px 0;border-bottom:1px solid #e2e4e7;font-size:14px}.sidebar a:last-child{border:0}.media{position:relative;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-placeholder{position:absolute;inset:0;background:#f6f7f9}.media-16x9{aspect-ratio:16/9}.media-3x4{aspect-ratio:3/4}.hero-media{max-height:280px}.normal-media{max-height:230px}.app-media{max-height:270px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{min-width:0;border:1px solid rgba(0,0,0,.08);padding:19px;border-radius:12px;background:#fff;box-shadow:0 3px 12px rgba(0,0,0,.025)}.card h3{font-size:18px;margin:0 0 8px}.card p{font-size:14px;color:#666;line-height:1.7}.text-link{color:#b45715;font-size:14px;font-weight:bold}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:17px}.section-heading h2{margin:0}.section-heading a{color:#b7540f;font-size:14px}.hero-grid{display:grid;grid-template-columns:minmax(0,62fr) minmax(0,38fr);gap:22px}.hero-index{padding:0 0 12px}.hero-index h3{font-size:17px;margin:0 0 5px}.hero-index article{border-bottom:1px solid #eee;padding:0 0 12px;margin-bottom:12px}.hero-index article:last-child{border:0}.hero-index p{color:#666;font-size:14px;margin:0}.split-section{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:28px}.split-section.even{grid-template-columns:repeat(2,minmax(0,1fr))}.line-list article{padding:16px 0;border-bottom:1px solid #ebebeb}.line-list h3{margin-bottom:6px}.line-list p{font-size:14px;color:#666;margin-bottom:6px}.visual-card figcaption{font-size:14px;margin-top:10px;color:#666}.visual-card figcaption strong{display:block;color:#1a1a1a;font-size:17px}.visual-card{margin:0}.brand-logo{height:44px;width:96px;display:flex;align-items:center;justify-content:center;flex:none;overflow:hidden;background:#f6f7f9;border-radius:8px}.brand-logo img{max-height:40px;max-width:90px;object-fit:contain}.brand-entry{display:flex;gap:12px;align-items:flex-start;min-width:0}.brand-entry h3{font-size:16px;margin:0 0 4px}.brand-entry p{font-size:13px;margin:0;line-height:1.65}.brand-full{display:flex;flex-direction:column;gap:12px;min-width:0}.brand-full .brand-logo{width:100%;height:62px}.brand-full .brand-logo img{max-width:160px;max-height:50px}.brand-full p{font-size:14px;line-height:1.8;margin:0}.info-band{background:#f6f7f9;padding:23px;border-radius:12px}.info-band p:last-child{margin:0}.page-intro.special h1{font-size:36px}.read-tags{font-size:13px;color:#a15c21}.faq-item{padding:15px 0;border-bottom:1px solid #e9e9e9}.faq-item h2{font-size:18px;margin:0 0 6px}.faq-item p{margin:0;color:#555}.numbered{list-style:none;margin:0;padding:0;counter-reset:n}.numbered li{padding:12px 0 12px 42px;border-bottom:1px solid #e9e9e9;position:relative}.numbered li:before{counter-increment:n;content:counter(n,decimal-leading-zero);position:absolute;left:0;color:#c45a12;font-weight:bold}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.site-footer{background:#1a1a1a;color:#f5f5f5;padding:40px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-grid h2{color:#fff;font-size:16px;margin-bottom:10px}.footer-grid a{display:block;color:#e4e4e4;font-size:13px;padding:3px 0}.footer-grid a:hover{color:#ffc44d}.footer-grid p{font-size:13px;color:#ddd}.footer-brand{height:40px;font-size:23px;font-weight:bold}.footer-brand img{height:34px;width:auto;object-fit:contain}.footer-bottom{border-top:1px solid #404040;margin-top:28px;padding-top:16px;font-size:12px;color:#d4d4d4;display:flex;justify-content:space-between;gap:12px}.menu-toggle,.mobile-drawer,.drawer-mask,.mobile-bottom{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}a:focus-visible,button:focus-visible{outline:2px solid #c45a12;outline-offset:3px}
@media(max-width:980px){.container{padding-left:20px;padding-right:20px}.desktop-nav,.quick-nav,.brand-sub{display:none}.topbar{height:58px;justify-content:space-between}.topbar .logo img{height:28px}.topbar .logo{font-size:21px;min-width:0}.menu-toggle{display:flex;background:none;border:0;padding:9px 7px;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;align-items:center;cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:#333}.register-link{margin-left:0;min-width:72px;height:36px;padding:0 15px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);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}.drawer-head{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid #eee}.drawer-head .logo img{height:28px}.drawer-close{background:none;border:0;font-size:30px;min-width:44px;min-height:44px;cursor:pointer}.drawer-group{padding:16px;margin:0;border-bottom:1px solid #eee}.drawer-group h2{font-size:13px;color:#999;margin:0 0 8px}.drawer-group a{display:block;min-height:42px;padding:9px 8px;font-size:15px;border-radius:6px}.drawer-group a:hover{background:#f6f7f9}.mobile-bottom{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);height:62px;background:#fff;border-top:1px solid #e5e5e5;z-index:10500;padding-bottom:env(safe-area-inset-bottom,0px);box-sizing:content-box}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;line-height:1.3;min-width:0}.mobile-bottom span{font-size:20px;color:#c45a12}.page-content{padding-bottom:105px}.site-footer{padding-bottom:84px}body.drawer-open{overflow:hidden}}
@media(max-width:767px){.container{padding-left:16px;padding-right:16px}.page-content{padding-top:20px}.page-intro.special h1{font-size:28px}h1{font-size:26px}h2{font-size:21px}h3{font-size:17px}body{font-size:15px}.content-layout,.hero-grid,.split-section,.split-section.even{grid-template-columns:minmax(0,1fr)}.sidebar{position:static}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2,.gallery-grid{grid-template-columns:minmax(0,1fr)}.hero-media{max-height:190px}.normal-media{max-height:170px}.app-media{max-height:220px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.footer-bottom{flex-direction:column}.article-section h2{font-size:20px}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-entry{flex-direction:column}.brand-entry .brand-logo{width:100%}.brand-entry p{font-size:12px}}
@media(max-width:370px){.grid-4{grid-template-columns:minmax(0,1fr)}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-full{padding:12px}.topbar{gap:4px}.register-link{min-width:72px}.logo{font-size:19px}.card{padding:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}
/* Compact brand identification marks */
.brand-logo-media{height:62px;aspect-ratio:auto;border-radius:8px}.brand-logo-media>img{padding:6px}.brand-full{align-items:stretch}