*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#333;font:16px/1.8 system-ui,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:#f45132}button{font:inherit;cursor:pointer}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}.site-header{height:70px;position:sticky;top:0;z-index:500;background:#fff;border-bottom:1px solid #eee}.header-wrap{height:100%;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;flex-shrink:0;color:#1a1a1a;font-size:23px;font-weight:800}.brand img{width:auto;height:38px;max-width:150px;object-fit:contain}.brand span{color:#f45132}.top-nav{display:flex;align-items:center;gap:23px;white-space:nowrap;margin-left:auto;font-size:14px;font-weight:600}.top-nav a:hover,.sublist a:hover{color:#f45132}.cta{background:#f45132;color:#fff!important;border-radius:99px;padding:7px 23px;line-height:26px;white-space:nowrap;font-weight:700}.cta:hover{background:#ff684e}.subbar{background:#f6f7f9;border-bottom:1px solid #e9ebef}.sublist{display:flex;white-space:nowrap;gap:30px;overflow-x:auto;scrollbar-width:none;align-items:center;height:46px;color:#666;font-size:14px}.sublist::-webkit-scrollbar{display:none}main{padding-top:28px;padding-bottom:70px}.eyebrow{display:inline-block;color:#f45132;font-size:12px;letter-spacing:2px;font-weight:800}.hero{display:grid;grid-template-columns:1.07fr .93fr;gap:28px;align-items:center;padding:28px;background:#f6f7f9;border-radius:17px}.hero h1{font-size:37px;color:#1a1a1a;line-height:1.3;margin:10px 0 15px}.hero p{color:#666;margin:0 0 20px}.hero-links{display:flex;gap:12px;flex-wrap:wrap}.hero-links a{background:#fff;padding:7px 15px;border-radius:30px;border:1px solid #ebedf0;font-size:14px}.media{display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:12px;background:#f6f7f9;width:100%;min-width:0}.media img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.media-natural img{height:auto;max-height:280px}.media-banner{aspect-ratio:16/7}.media-wide{aspect-ratio:16/9}.media-square{aspect-ratio:1/1}.media-portrait{aspect-ratio:3/4;max-width:290px;margin:auto}.media-placeholder{width:100%;height:100%;min-height:130px;background:linear-gradient(130deg,#f4f5f7,#e9ebee)}.section{margin-top:44px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.section-head h2{font-size:25px;line-height:1.4;margin:0;color:#1a1a1a}.section-head>a{font-size:14px;color:#f45132}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid #edeef0;border-radius:14px;padding:20px;background:#fff;min-width:0}.card:hover{border-color:#f2b7a9}.card h3{font-size:18px;color:#1a1a1a;line-height:1.45;margin:7px 0 9px}.card p{font-size:14px;color:#666;line-height:1.8;margin:0}.card .mini-label{color:#d7a84b;font-weight:700;font-size:12px}.image-card{padding:10px}.image-card h3,.image-card p{margin-left:7px;margin-right:7px}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center}.feature-row h2{font-size:25px}.feature-row p{color:#555}.band{border-left:4px solid #f45132;background:#fff8f5;padding:22px 25px;border-radius:0 12px 12px 0}.link-rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 25px}.link-rows a{padding:13px 0;border-bottom:1px solid #eee;display:flex;justify-content:space-between;gap:10px;font-weight:600}.link-rows a:after{content:'→';color:#f45132}.breadcrumb{font-size:13px;color:#888;padding:0 0 22px}.article-head{max-width:850px}.article-head h1{font-size:33px;line-height:1.4;margin:8px 0 12px;color:#1a1a1a}.article-head p{color:#666}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 266px;gap:42px;align-items:start;margin-top:24px}.article{max-width:820px}.article h2{font-size:23px;color:#1a1a1a;margin:29px 0 10px}.article p{margin:0 0 16px}.article-aside{background:#f6f7f9;border-radius:14px;padding:22px}.article-aside h3{font-size:18px;margin:0 0 12px}.article-aside a{display:block;border-bottom:1px solid #e5e7ea;padding:9px 0;font-size:14px}.note{margin-top:22px;padding:16px 20px;background:#f6f7f9;border-radius:12px;font-size:14px;color:#666}.faq dt{font-weight:700;font-size:17px;margin-top:18px}.faq dd{margin:7px 0 0;color:#666}.footer{background:#1a1a1a;color:#f5f5f5;padding:42px 0 16px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:36px}.footer-grid h3{margin:0 0 13px;font-size:16px}.footer-grid p{color:#c6c6c6;font-size:14px}.footer-grid a{display:block;color:#ddd;font-size:14px;margin:7px 0}.footer-grid a:hover{color:#ff684e}.fineprint{margin-top:35px;border-top:1px solid #414141;padding-top:18px;color:#c8c8c8;font-size:12px}.menu-toggle,.mobile-drawer,.drawer-mask,.bottom-nav{display:none}.menu-toggle{border:0;background:transparent;padding:7px}.menu-toggle span{display:block;width:22px;height:2px;background:#333;margin:4px 0}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid #eee}.menu-close{border:0;background:transparent;font-size:28px}.mobile-drawer section{padding:12px 20px;border-bottom:1px solid #eee}.mobile-drawer section h3{color:#f45132;font-size:14px;margin:0 0 4px}.mobile-drawer section a{display:block;padding:8px 0;font-size:14px}#back-top{position:fixed;bottom:24px;right:24px;border:0;background:#f45132;color:#fff;border-radius:50%;width:40px;height:40px;box-shadow:0 4px 12px #0002}body.drawer-open{overflow:hidden}@media(max-width:980px){.wrap{width:calc(100% - 40px)}.site-header{height:59px}.top-nav{display:none}.header-wrap{justify-content:space-between;gap:12px}.menu-toggle{display:block}.brand img{height:29px}.brand{font-size:20px}.cta{padding:5px 16px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100dvh;background:white;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.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}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:60px;justify-content:space-around;align-items:center;background:white;border-top:1px solid #eee;z-index:1000;font-size:13px}.bottom-nav a{padding:12px}.bottom-nav a:hover{color:#f45132}.footer{padding-bottom:85px}#back-top{bottom:75px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:25px}}@media(max-width:640px){.wrap{width:calc(100% - 32px)}main{padding-top:16px}.hero{display:flex;flex-direction:column-reverse;padding:17px;gap:10px}.hero h1{font-size:27px}.hero p{font-size:15px}.hero .media{max-height:210px}.section{margin-top:28px}.section-head h2,.feature-row h2{font-size:21px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.grid-4{gap:12px}.card{padding:14px}.card h3{font-size:16px}.card p{font-size:13px}.image-card{padding:7px}.feature-row{grid-template-columns:1fr;gap:15px}.feature-row .media{max-height:220px}.article-head h1{font-size:27px}.article-layout{display:block}.article-aside{margin-top:30px}.article h2{font-size:21px}.link-rows{grid-template-columns:1fr}.footer-grid{gap:20px}.sublist{gap:20px}.footer-grid h3{font-size:14px}.footer-grid p,.footer-grid a{font-size:12px}}@media(max-width:350px){.grid-3{grid-template-columns:1fr}.brand{font-size:17px}.cta{padding:4px 12px}}