*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#333;font:16px/1.78 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:#C45A12}button{font:inherit;cursor:pointer}h1,h2,h3{color:#1a1a1a;line-height:1.38;margin-top:0}h1{font-size:34px}h2{font-size:24px}h3{font-size:19px}p{margin:0 0 17px}.wrap{max-width:1100px;margin:auto;padding-left:24px;padding-right:24px}.skip-link{position:absolute;left:-999px;top:0}.skip-link:focus{left:10px;z-index:20000;background:white;padding:10px}.site-header{border-bottom:1px solid #eee;background:white}.topbar{height:72px;display:flex;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:8px;min-width:135px;font-size:22px;font-weight:800;color:#1a1a1a}.brand .media{height:34px;width:88px;background:transparent;border-radius:0}.brand .media img{object-position:left}.brand-text{white-space:nowrap}.brand-message{display:flex;align-items:center;gap:18px;flex:1;color:#666;font-size:13px}.brand-message strong{font-size:17px;color:#C45A12;letter-spacing:1px}.register{margin-left:auto;min-width:78px;height:42px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(90deg,#FF8A00,#FFC44D);border-radius:99px;font-weight:700;color:#4d2904!important}.primary-nav{border-top:1px solid #f0f0f0}.nav-inner{height:50px;display:flex;justify-content:space-between;align-items:stretch;gap:12px}.nav-link{display:flex;align-items:center;border-bottom:2px solid transparent;font-size:15px;white-space:nowrap}.nav-link.is-current{color:#C45A12;border-bottom-color:#FF8A00;font-weight:700}.quick-strip{background:#f6f7f9}.quick-inner{min-height:39px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#666}.quick-inner a{white-space:nowrap}.menu-toggle,.mobile-drawer,.drawer-mask,.mobile-bottom{display:none}.page-main{padding-top:30px;padding-bottom:54px;min-height:55vh}.eyebrow{font-size:13px;color:#C45A12;font-weight:700;letter-spacing:.07em;margin-bottom:8px}.page-lead{max-width:800px;color:#666;font-size:16px}.hero-intro{margin-bottom:20px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:22px;align-items:start}.hero-grid .media{height:255px}.hero-aside{border-top:3px solid #ff8a00}.hero-aside a{display:block;padding:12px 0;border-bottom:1px solid #eee;font-size:15px;font-weight:700}.hero-aside small{display:block;color:#888;font-weight:400;font-size:13px}.section{margin-top:42px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}.section-heading h2{margin:0}.section-heading>a{font-size:14px;color:#C45A12}.four-grid,.brand-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.category-card,.card{background:white;border:1px solid rgba(0,0,0,.08);border-radius:12px;padding:18px}.category-card{border-top:3px solid #ff8a00}.category-card h3,.card h3{margin-bottom:8px}.category-card p{font-size:14px;color:#666}.text-link{font-weight:700;color:#C45A12;font-size:14px}.two-grid,.side-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px}.side-layout{grid-template-columns:minmax(0,7fr) minmax(230px,3fr);gap:30px}.article-preview{border-bottom:1px solid #eaeaea;padding:13px 0}.article-preview h3{margin:0 0 6px}.article-preview p{font-size:15px;color:#666;margin:0 0 5px}.accent-panel{background:#f6f7f9;border-left:3px solid #ff8a00;padding:20px;border-radius:0 12px 12px 0}.image-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.image-pair h3{margin:12px 0 5px}.image-pair 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#ff8a00;padding-left:12px;margin-bottom:14px}.prose-section p{line-height:1.8}.sidebar{background:#f6f7f9;padding:20px;border-radius:12px;align-self:start}.sidebar h2{font-size:20px}.sidebar a{display:block;border-top:1px solid #e2e2e2;padding:11px 0;font-size:14px}.related{margin-top:28px;padding:18px 22px;background:#f6f7f9;border-radius:12px}.related a{display:inline-block;margin:5px 14px 5px 0;color:#B85612;font-size:14px}.brand-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.brand-detail{display:flex;gap:15px;border:1px solid #e8e8e8;padding:15px;border-radius:12px;align-items:start}.brand-detail .media{width:104px;flex-shrink:0}.brand-detail h2{font-size:18px;margin:0 0 7px}.brand-detail p{font-size:14px;color:#666;margin:0}.faq-list details{padding:17px 0;border-bottom:1px solid #e6e6e6}.faq-list summary{font-size:17px;font-weight:700;cursor:pointer;color:#1a1a1a}.faq-list p{margin:10px 0 0;color:#555}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.gallery-item h2{margin:11px 0 5px;font-size:19px}.gallery-item p{font-size:14px;color:#666}.app-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(190px,.7fr);gap:30px}.app-layout .media{max-height:280px}.callout{padding:18px 22px;background:#f6f7f9;border-radius:12px;margin-top:22px}.footer{background:#1a1a1a;color:#f5f5f5;padding:38px 0 18px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:25px}.footer h3{color:white;font-size:16px;margin:0 0 13px}.footer p{color:#ddd;font-size:13px}.footer a{display:block;color:#ddd;font-size:13px;margin:5px 0}.footer a:hover{color:#ffc44d}.footer-brand{display:flex!important;align-items:center;gap:9px;font-size:18px!important;color:white!important}.footer-brand .media{width:68px;height:35px;background:transparent}.footer-bottom{padding-top:20px;border-top:1px solid #444;margin-top:23px;display:flex;justify-content:space-between;gap:20px;color:#ccc;font-size:12px}
@media(max-width:980px){.wrap{padding-left:20px;padding-right:20px}.primary-nav,.quick-strip,.brand-message{display:none}.topbar{height:58px;justify-content:space-between}.menu-toggle{display:flex;flex-direction:column;gap:4px;border:0;background:transparent;padding:7px;justify-content:center;min-width:35px}.menu-toggle span{width:21px;height:2px;background:#222;display:block}.brand{min-width:0;position:absolute;left:50%;transform:translateX(-50%);gap:5px;font-size:18px}.brand .media{height:28px;width:70px}.register{height:36px;min-width:72px;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;padding:18px;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;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid #eee}.drawer-close{background:none;border:0;font-size:29px;line-height:1;padding:5px}.mobile-drawer section{margin-top:18px}.mobile-drawer h3{font-size:14px;color:#C45A12;margin:0 0 7px}.mobile-drawer section a{display:block;min-height:42px;padding:8px 4px;border-bottom:1px solid #f0f0f0;font-size:15px}.mobile-bottom{position:fixed;z-index:9000;bottom:0;left:0;right:0;height:62px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #eee;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:18px;line-height:1.3;color:#444}.mobile-bottom span{font-size:12px}.page-main{padding-bottom:95px}.footer{padding-bottom:85px}.four-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.wrap{padding-left:16px;padding-right:16px}h1{font-size:28px}h2{font-size:21px}h3{font-size:17px}body{font-size:15px}.page-main{padding-top:24px}.hero-grid,.two-grid,.side-layout,.image-pair,.gallery-grid,.app-layout,.brand-detail-grid{grid-template-columns:minmax(0,1fr)}.hero-grid .media{height:180px}.hero-aside a{padding:9px 0}.section{margin-top:32px}.inside-head h1{font-size:26px}.category-card{padding:13px}.category-card h3{font-size:16px}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.brand-detail .media{width:88px}.footer-bottom{flex-direction:column;gap:4px}.sidebar{padding:15px}}
@media(max-width:360px){.brand{font-size:16px}.brand .media{width:59px}.topbar{gap:5px}.four-grid{grid-template-columns:minmax(0,1fr)}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-mini{padding:7px;gap:5px}.brand-mini .media{width:40px;height:36px}.brand-mini span{font-size:12px}}

/* 新版专题导航、阅读路径 */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-tile{display:block;color:inherit;text-decoration:none;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:22px;transition:transform .2s,border-color .2s}.topic-tile:hover{transform:translateY(-3px);border-color:#ff8a00}.topic-dot{display:inline-block;width:25px;height:5px;border-radius:6px;background:#ff8a00}.topic-tile h3{margin:15px 0 8px}.topic-tile p{font-size:14px;color:#666;line-height:1.75}.reading-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 25px}.soft-note{color:#777;font-size:13px}.brand-mini p{font-size:13px;color:#666;line-height:1.7}.brand-mini h3{margin:10px 0 4px}.brand-grid article{align-self:stretch}.image-pair .media{margin-bottom:12px}@media(max-width:700px){.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-list{grid-template-columns:1fr}.topic-tile{padding:15px}}@media(max-width:360px){.topic-grid{grid-template-columns:1fr}}