*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#080a0e;color:#e0e4e6;font:16px/1.8 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.35;color:#f6f3eb}h1{font-size:clamp(27px,3.1vw,40px)}h2{font-size:clamp(22px,2.3vw,28px)}h3{font-size:19px}p{margin-bottom:1.1em}.container{width:min(100% - 64px,1280px);margin-inline:auto}.brand-strip{height:29px;background:#090c10;font-size:11px;letter-spacing:.11em;color:#c0bbaf}.brand-inner{display:flex;justify-content:space-between;align-items:center;height:100%}.site-header{position:sticky;top:0;z-index:50;background:#090c10;border-bottom:1px solid #363128}.nav-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:block;flex:none}.brand img{width:176px;height:auto;max-height:39px;object-fit:contain}.primary{display:flex;gap:24px;align-items:center;height:100%;white-space:nowrap}.primary a{height:100%;display:flex;align-items:center;border-bottom:2px solid transparent;font-size:14px}.primary a:hover,.primary a.selected{border-color:#d9b86e;color:#edd49a}.nav-actions{display:flex;align-items:center;gap:10px}.icon-button{background:transparent;border:1px solid #65543b;color:#e9dac0;min-width:44px;height:44px;border-radius:9px;font-size:24px}.nav-cta,.btn.primary-btn{background:#d9b86e;color:#111318;font-weight:700;padding:10px 18px;border-radius:9px;font-size:14px}.topic-strip{border-bottom:1px solid #302b24;background:#10141a}.topic-inner{display:flex;gap:34px;align-items:center;height:43px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.topic-inner a{font-size:13px;color:#ced0cc}.topic-inner span,.eyebrow,.text-link{color:#d9b86e}.topic-inner a:hover,.linkrow a:hover{color:#edd49a}.section{margin-block:64px}.eyebrow{display:block;font-size:11px;font-weight:700;letter-spacing:.22em;margin-bottom:16px}.section-title{margin-bottom:26px}.hero{display:grid;grid-template-columns:42% minmax(0,58%);align-items:center;gap:0;margin-top:36px;min-height:390px;background:linear-gradient(125deg,#171c23,#090c10);border:1px solid #3e3425;border-radius:16px;overflow:hidden}.hero-copy{padding:35px 35px 35px 42px}.hero-copy h1{font-size:clamp(28px,3vw,38px)}.hero-copy p{font-size:15px}.hero-art{margin:0;align-self:stretch;display:flex;align-items:center;justify-content:center;background:#11151a}.hero-art img{width:100%;height:auto;max-height:420px;object-fit:contain}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 19px;border:1px solid #d9b86e;border-radius:9px;font-size:14px;min-height:44px}.secondary-btn{color:#f6f3eb;background:#1a1d22}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-tile,.info{background:#171d25;border:1px solid rgba(217,184,110,.18);border-radius:13px;padding:24px;text-align:left}.feature-tile>span,.feature-tile>b,.info>span{color:#d9b86e;font-size:13px}.feature-tile h3{margin:16px 0 9px}.feature-tile p,.info p{color:#b0bcc5;font-size:14px}.feature{display:grid;grid-template-columns:58% 42%;gap:0;align-items:center;background:#10141a;border-radius:14px;overflow:hidden;border:1px solid #302f2b}.feature.reverse{grid-template-columns:42% 58%}.feature.reverse .media{order:2}.feature .media{margin:0;padding:18px;background:#11151a;display:flex;align-items:center;justify-content:center;min-width:0}.feature .media img{width:100%;height:auto;max-height:295px;object-fit:contain}.feature-copy{padding:26px 36px}.feature-copy p{max-width:560px}.text-link{font-weight:700;font-size:14px}.safety{padding:30px;border:1px solid #a88746;border-radius:14px;display:grid;grid-template-columns:1fr 1fr;gap:20px;background:#12171b}.linkrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.linkrow a{padding:9px 14px;border:1px solid #77613c;border-radius:8px;color:#edd49a;font-size:14px}.editorial-note{border-top:1px solid #77613c;padding-top:40px}.crumb{font-size:13px;color:#aeb8bf;padding-top:29px}.crumb a{color:#d9b86e}.page-heading{padding:40px 0 26px;border-bottom:1px solid #554734}.page-heading p{max-width:780px;font-size:16px;line-height:1.85}.media.editorial{margin-top:27px;background:#11151a;border:1px solid #403726;border-radius:13px;overflow:hidden;display:flex;justify-content:center}.media.editorial img{max-height:330px;object-fit:contain}.article-shell{display:grid;grid-template-columns:minmax(0,780px) 240px;justify-content:space-between;gap:40px}.article-section{margin:46px 0}.article-section p{max-width:780px}.side-index{align-self:start;position:sticky;top:125px;margin-top:46px;padding:19px;background:#171d25;border-left:2px solid #d9b86e;display:flex;flex-direction:column;gap:13px;font-size:14px}.side-index strong,.side-index a{color:#edd49a}.side-index span{color:#b0bcc5}.faq-list{max-width:990px;margin:38px auto}.faq-list details{background:#171d25;border:1px solid #493e31;border-radius:10px;margin-bottom:12px;padding:0 20px}.faq-list summary{cursor:pointer;padding:18px 0;color:#f6f3eb;font-weight:600}.faq-list details p{border-top:1px solid #40362c;padding-top:16px}.site-footer{background:#090c10;border-top:1px solid #605032;padding:52px 0 18px;margin-top:60px}.footer-head{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-bottom:28px}.footer-head img{width:205px}.footer-head p{font-size:13px;color:#b0bcc5}.footer-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.footer-grid>div{display:flex;flex-direction:column;gap:7px}.footer-grid strong{color:#d9b86e;font-size:14px;margin-bottom:8px}.footer-grid a{font-size:13px;color:#b0bcc5}.footer-note{border-top:1px solid #383229;padding-top:20px;margin-top:30px;color:#b0bcc5;font-size:12px}.copyright{font-size:12px;color:#93a2ac;margin-top:12px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:90}.overlay[hidden]{display:none!important}.menu-panel{position:fixed;right:0;top:0;bottom:0;width:min(410px,88vw);background:#10141a;z-index:100;transform:translateX(101%);visibility:hidden;pointer-events:none;display:flex;flex-direction:column;transition:transform .22s ease,visibility .22s}.menu-panel.visible{transform:none;visibility:visible;pointer-events:auto}.panel-head,.search-head{display:flex;align-items:center;gap:14px;padding:18px;border-bottom:1px solid #53432c}.panel-head img{width:125px}.panel-head button,.search-head button{margin-left:auto;background:transparent;border:1px solid #5d503f;color:white;border-radius:8px;width:40px;height:40px}.panel-scroll{overflow-y:auto;padding:0 20px 35px}.panel-group h2{font-size:17px;color:#d9b86e;margin-top:28px}.panel-group a{display:flex;flex-direction:column;padding:8px 0;border-bottom:1px solid #302f2f}.panel-group strong{font-size:14px}.panel-group small{color:#b0bcc5;font-size:12px}.search-panel{position:fixed;right:max(18px,calc((100vw - 1280px)/2));top:112px;width:min(430px,calc(100vw - 32px));background:#171d25;border:1px solid #77613c;border-radius:13px;z-index:100;box-shadow:0 14px 36px #0008;visibility:hidden;pointer-events:none}.search-panel.visible{visibility:visible;pointer-events:auto}.search-panel label{display:block;font-size:12px;padding:15px 19px 4px}.search-panel input{display:block;width:calc(100% - 38px);margin:0 19px 12px;border-radius:7px;border:1px solid #8b764d;background:#090c10;color:#fff;padding:10px}.search-results{max-height:320px;overflow-y:auto;padding:0 19px 16px}.search-results a{display:block;padding:9px 3px;border-bottom:1px solid #383b3f}.mobile-tabs{display:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #edd49a;outline-offset:3px}@media(max-width:1023px){.primary{display:none}.container{width:min(100% - 44px,1280px)}.nav-inner{height:69px}.article-shell{grid-template-columns:minmax(0,1fr) 200px}}@media(max-width:760px){.container{width:calc(100% - 34px)}.brand-strip{height:27px}.brand-strip span:last-child{display:none}.site-header .nav-inner{height:62px}.brand img{width:146px;max-height:35px}.nav-cta{display:none}.topic-inner{gap:24px}.hero{grid-template-columns:1fr;margin-top:18px}.hero-copy{padding:26px 20px}.hero-art{min-height:0}.hero-art img{max-height:none}.hero-actions{gap:10px}.section{margin-block:38px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.grid-3{grid-template-columns:1fr}.feature-tile{padding:14px}.feature-tile h3{font-size:17px}.feature{display:flex;flex-direction:column}.feature.reverse .media{order:0}.feature .media{width:100%;padding:10px}.feature .media img{max-height:none;width:100%;height:auto}.feature-copy{padding:18px}.safety{grid-template-columns:1fr;padding:20px}.article-shell{display:block}.side-index{position:static;margin-top:0}.media.editorial img{max-height:none}.page-heading{padding:27px 0 22px}.footer-head{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:25px}.site-footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.mobile-tabs{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:65;height:calc(58px + env(safe-area-inset-bottom));background:#0b0e13;border-top:1px solid #50432c;padding-bottom:env(safe-area-inset-bottom)}.mobile-tabs a{font-size:11px;text-align:center;display:flex;flex-direction:column;justify-content:center;line-height:1.4;border-top:2px solid transparent}.mobile-tabs span{font-size:19px}.mobile-tabs a.selected{color:#edd49a;border-color:#d9b86e;background:#292319}.search-panel{inset:0;width:auto;border-radius:0;top:0;right:0;bottom:0}.search-results{max-height:70vh}.panel-open .mobile-tabs{z-index:65}}@media(max-width:390px){.brand img{width:128px}.nav-actions{gap:5px}.hero-copy h1{font-size:27px}.feature-tile{padding:11px}.grid-4{gap:7px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}