:root{--bg:#0b101a;--surface:#141c29;--surface2:#1b2635;--ink:#f6f5f1;--muted:#b0bbc8;--line:#354152;--accent:#f7bf64;--accent-dark:#1b2029;--soft:#e8e8df;--max:1220px;--radius:20px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto;object-fit:cover}a{color:inherit;text-decoration:none}button{font:inherit}p{margin:0 0 1em}h1,h2,h3{line-height:1.23;letter-spacing:-.025em;margin:0 0 .72em}h1{font-size:clamp(2.4rem,5.2vw,5rem)}h2{font-size:clamp(1.7rem,3vw,2.7rem)}h3{font-size:1.18rem}.shell{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.eyebrow{display:inline-block;color:var(--accent);font-size:.78rem;letter-spacing:.21em;font-weight:800;margin-bottom:1.3rem}.skip{position:absolute;z-index:99;top:-100px;left:10px;background:var(--accent);color:#0b101a;padding:.5rem 1rem}.skip:focus{top:8px}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.site-header{position:relative;z-index:10;border-bottom:1px solid #ffffff21;background:#101722}.header-inner{min-height:88px;display:flex;align-items:center;gap:3rem;justify-content:space-between}.identity{display:flex;align-items:center;gap:.6rem;white-space:nowrap}.identity-mark{display:grid;place-items:center;width:37px;height:37px;color:#121821;background:var(--accent);border-radius:12px;font-size:1rem}.identity-name{font-weight:850;font-size:1.27rem}.identity small{color:var(--muted);font-size:.72rem;letter-spacing:.1em;border-left:1px solid var(--line);padding-left:.75rem;margin-left:.2rem}.primary-nav{display:flex;gap:1.35rem;flex-wrap:wrap}.primary-nav a{color:#c1c9d3;font-size:.87rem;font-weight:600;transition:color .2s}.primary-nav a:hover,.primary-nav [aria-current]{color:var(--accent)}.menu-toggle{display:none;color:var(--ink);border:1px solid var(--line);background:transparent;border-radius:12px;padding:.5rem .8rem}.button{display:inline-flex;gap:1.3rem;align-items:center;justify-content:center;padding:.9rem 1.4rem;border-radius:11px;font-weight:750;min-height:51px}.main-button{background:var(--accent);color:#121820}.quiet-button{border:1px solid #6b7483}.contrast-button{background:#f3f0e8;color:#142028}.text-link{color:var(--accent);font-weight:750;border-bottom:1px solid currentColor;padding-bottom:.2rem}.home-intro{background:radial-gradient(circle at 75% 32%,#283a4d 0,transparent 40%),#0b101a}.intro-grid{min-height:670px;display:grid;grid-template-columns:1.09fr .91fr;gap:3.5rem;align-items:center;padding-block:60px 86px}.intro-copy h1{max-width:780px;line-height:1.16;font-weight:850}.intro-lead{font-size:1.13rem;color:#c8d0da;max-width:650px;line-height:1.9}.intro-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin:2rem 0}.micro-note{font-size:.8rem;color:#929fae;max-width:570px}.intro-media{height:540px;position:relative;overflow:hidden;border-radius:140px 20px 20px 20px;background:linear-gradient(150deg,#425365,#121c29)}.intro-media img{width:100%;height:100%;opacity:.76}.media-note{position:absolute;left:25px;right:25px;bottom:23px;padding:1.1rem 1.3rem;border:1px solid #ffffff42;background:#111a22cb;backdrop-filter:blur(8px);border-radius:12px}.media-note span{float:right;color:var(--accent);font-size:.7rem}.media-note strong{display:block}.media-note p{color:#d2d7df;margin:0;font-size:.78rem}.pathways{padding-block:86px 100px}.section-head{display:flex;justify-content:space-between;gap:3rem;align-items:end;margin-bottom:2.5rem}.section-head h2{margin:.2rem 0}.section-head p{max-width:365px;color:var(--muted);margin:0}.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.link-card{display:flex;flex-direction:column;min-height:230px;padding:28px;gap:13px;border:1px solid var(--line);background:#151e2b;border-radius:16px;transition:background .2s,border-color .2s,transform .2s}.link-card:hover{background:#202f41;border-color:#d5a85d;transform:translateY(-2px)}.link-card strong{font-size:1.22rem}.link-card>span:last-child{color:var(--muted);font-size:.91rem;line-height:1.75}.arrow-mark{align-self:flex-end;color:var(--accent);font-size:1.5rem}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:6vw;align-items:center;padding-bottom:110px}.feature-img{min-height:430px;border-radius:20px;overflow:hidden;background:#233246}.feature-img img{height:460px;width:100%}.feature-text{max-width:520px}.feature-text p{color:var(--muted);font-size:1rem}.feature-text .text-link{display:inline-block;margin-top:1rem}.wide-band{padding-block:90px;background:#e7e6db;color:#17212e}.wide-band .eyebrow{color:#72501a}.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:6vw}.band-grid p{color:#46505c;max-width:470px}.band-checks{display:grid;gap:13px}.band-checks>div{display:grid;grid-template-columns:55px 1fr;gap:0 16px;border-bottom:1px solid #bbbcb7;padding:12px 0}.band-checks b{grid-row:span 2;color:#8c6321;font-size:1.6rem}.band-checks span{font-weight:800}.band-checks p{font-size:.9rem;margin:0}.home-bottom{display:grid;grid-template-columns:1fr 1fr;gap:7vw;padding-block:100px}.home-bottom>div>p{color:var(--muted);max-width:450px}.question-panel{background:var(--surface);padding:30px;border-radius:18px}.question-panel h2{font-size:1.4rem}.question-panel>a{display:inline-block;color:var(--accent);margin-top:1.1rem}.faq-list details{border-bottom:1px solid var(--line);padding:1.2rem 0}.faq-list summary{cursor:pointer;font-weight:750;padding-right:2rem;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:'+';position:absolute;right:.3rem;color:var(--accent);font-size:1.25rem;top:0}.faq-list details[open] summary::after{content:'−'}.faq-list p{color:var(--muted);margin:.85rem 0 0}.site-footer{background:#070c13;border-top:1px solid var(--line);padding:60px 0 26px}.footer-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px}.footer-layout p{color:var(--muted);max-width:450px;font-size:.9rem}.footer-layout .foot-name{color:var(--ink);font-size:1.4rem;font-weight:800}.footer-layout nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:15px;color:#c1c9d3;font-size:.9rem}.footer-layout nav a:hover,.foot-bottom a:hover{color:var(--accent)}.foot-bottom{border-top:1px solid #263344;margin-top:45px;padding-top:20px;color:#96a3b2;display:flex;justify-content:space-between;font-size:.8rem}.breadcrumbs{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;font-size:.79rem;color:#adb8c5;padding-block:28px}.breadcrumbs a:hover{color:var(--accent)}.article-head{display:grid;grid-template-columns:1.2fr .8fr;gap:4rem;align-items:center;padding:36px 0 74px}.article-head h1{font-size:clamp(2.4rem,4vw,4.4rem)}.article-head p{font-size:1.14rem;color:var(--muted);max-width:650px}.article-head figure{margin:0;height:330px;overflow:hidden;border-radius:100px 15px 15px 15px}.article-head img{height:100%;width:100%}.article-columns{display:grid;grid-template-columns:255px minmax(0,1fr);gap:8vw;align-items:start}.toc{position:sticky;top:30px;background:var(--surface);border:1px solid var(--line);padding:24px;border-radius:16px}.toc strong{color:var(--accent)}.toc ol{padding-left:1.2rem;color:var(--muted)}.toc li{padding:.5rem 0}.toc a:hover{color:var(--accent)}.article-content{max-width:760px}.prose-block{padding:0 0 2.7rem;margin-bottom:2.8rem;border-bottom:1px solid var(--line)}.prose-block p{color:#bfc9d5;line-height:2}.prose-block ul{color:#d6dde6;padding-left:1.5rem}.prose-block li{margin-bottom:.6rem}.step-count{font-size:.76rem;color:var(--accent);font-weight:800;letter-spacing:.15em}.article-note{padding:27px;background:#253241;border-left:3px solid var(--accent);border-radius:0 16px 16px 0}.article-note p{color:var(--muted)}.related{padding:75px 0 100px}.related .link-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.related .link-card{min-height:185px}.series-banner{background:linear-gradient(95deg,#152c3e 0%,#101b29 62%,#171b28 100%);padding-bottom:65px}.series-banner .breadcrumbs{padding-bottom:35px}.series-banner h1{max-width:850px;font-size:clamp(2.5rem,5vw,4.7rem)}.series-banner p{max-width:780px;color:#bdcad7;font-size:1.1rem}.series-layout{display:grid;grid-template-columns:340px 1fr;gap:7vw;padding-top:85px}.series-rail{position:relative;align-self:start;position:sticky;top:30px}.series-rail>img{width:100%;height:470px;border-radius:18px}.rail-tip{padding:22px;background:#d5b780;color:#152132;border-radius:14px;margin-top:-30px;position:relative;width:90%;margin-left:5%}.rail-tip span{display:block;font-size:.77rem;letter-spacing:.12em}.rail-tip strong{font-size:1.1rem;line-height:1.5}.episode-check{border:1px solid var(--line);background:var(--surface);border-radius:22px;padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}.episode-check ol{margin:0;color:#d2dbe3}.episode-check li{padding:.35rem 0}.compare-page{padding-bottom:55px}.compare-heading{padding:35px 0 80px;max-width:980px}.compare-heading p{max-width:700px;color:var(--muted);font-size:1.12rem}.compare-table-wrap{padding:30px;background:var(--surface);border:1px solid var(--line);border-radius:20px}.compare-table-wrap h2{font-size:1.9rem}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;min-width:760px}th,td{padding:20px 18px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--accent);font-size:.84rem}td{color:#cbd3de;font-size:.94rem}td:first-child{font-weight:800;color:var(--ink)}tbody tr:last-child td{border-bottom:0}.table-foot{font-size:.83rem;color:var(--muted);margin:20px 0 0}.decision-panel{display:grid;grid-template-columns:.78fr 1.22fr;gap:60px;padding-block:100px}.decision-label img{height:230px;width:100%;border-radius:15px;margin-top:34px}.decision-label p{color:var(--muted)}.decision-list>div{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}.decision-list>div>span{font-weight:800;color:var(--accent);font-size:.9rem}.decision-list h3{margin:0 0 .4rem}.decision-list p{color:var(--muted);margin:0}.identity-check{max-width:800px;margin:0 auto 60px;background:#222b38;border-radius:18px;padding:36px}.identity-check p{color:#cbd4de}.troubleshoot-page{padding-bottom:25px}.troubleshoot-head{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:center;padding:30px 0 90px}.troubleshoot-head h1{font-size:clamp(2.5rem,4.5vw,4.7rem)}.troubleshoot-head p{color:var(--muted);font-size:1.1rem}.troubleshoot-head img{height:340px;width:100%;border-radius:18px 100px 18px 18px}.symptom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.symptom{background:var(--surface);padding:30px;border:1px solid var(--line);border-radius:18px}.symptom-index{font-size:.75rem;color:var(--accent);font-weight:800}.symptom h3{margin:10px 0}.symptom p{color:var(--muted);margin:0}.diagnosis{background:#d9dfde;color:#15212d;border-radius:20px;margin-top:70px;padding:45px;display:grid;grid-template-columns:1fr 1fr;gap:50px}.diagnosis .eyebrow{color:#826126}.diagnosis p{color:#404c59}.diagnosis ol{margin:0;padding-left:30px}.diagnosis li{border-bottom:1px solid #aab4b7;padding:8px 0}.safety-lead{background:#222d35;padding-bottom:80px}.safety-inner h1{max-width:980px}.safety-inner p{color:#c8d3df;max-width:720px;font-size:1.1rem}.safety-body{display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw;padding-top:80px}.safety-image img{width:100%;height:600px;border-radius:22px}.risk{display:grid;grid-template-columns:42px 1fr;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}.risk>span{display:grid;place-items:center;color:#15202a;background:var(--accent);height:31px;width:31px;border-radius:50%;font-weight:800}.risk p{color:var(--muted);margin:0}.after-risk{padding-top:75px}.after-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.after-grid article{padding:27px;border:1px solid var(--line);border-radius:15px}.after-grid b{color:var(--accent)}.after-grid p{color:var(--muted);margin:15px 0 0}.faq-page{padding-bottom:30px}.faq-heading{max-width:900px;padding:44px 0}.faq-heading p{color:var(--muted);font-size:1.1rem}.faq-page>.faq-list{max-width:900px}.faq-page>.faq-list details{padding:1.45rem 0}.faq-page>.faq-list summary{font-size:1.13rem}.faq-page>.faq-list p{line-height:2}
@media(max-width:1080px){.identity small{display:none}.header-inner{gap:1.1rem}.primary-nav{gap:.8rem}.primary-nav a{font-size:.8rem}.intro-grid{gap:2rem}.intro-media{height:465px}.series-layout{grid-template-columns:260px 1fr;gap:4vw}.article-columns{gap:4vw}.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.shell{width:min(calc(100% - 32px),var(--max))}h1{font-size:clamp(2.2rem,9vw,3.4rem)}h2{font-size:1.75rem}.header-inner{min-height:72px}.menu-toggle{display:inline-flex;gap:.7rem}.primary-nav{position:absolute;left:0;right:0;top:100%;background:#141d2a;padding:1rem 16px 1.4rem;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(2,1fr);gap:6px}.primary-nav:not(.is-open){display:none}.primary-nav a{padding:10px;font-size:.95rem}.intro-grid,.feature-split,.band-grid,.home-bottom,.article-head,.article-columns,.series-layout,.episode-check,.decision-panel,.troubleshoot-head,.diagnosis,.safety-body,.footer-layout{grid-template-columns:1fr}.intro-grid{min-height:0;padding-block:55px}.intro-media{height:340px;border-radius:70px 16px 16px 16px}.pathways{padding-block:65px}.section-head{display:block}.section-head p{margin-top:15px}.link-grid,.related .link-grid,.symptom-grid,.after-grid{grid-template-columns:1fr}.link-card{min-height:155px;padding:22px}.feature-split{gap:32px;padding-bottom:65px}.feature-img{min-height:0}.feature-img img{height:280px}.wide-band{padding-block:65px}.home-bottom{gap:40px;padding-block:65px}.footer-layout{gap:30px}.article-head{gap:10px;padding:20px 0 50px}.article-head figure{height:240px}.toc{position:static}.article-columns{gap:45px}.series-banner{padding-bottom:44px}.series-layout{padding-top:50px}.series-rail{position:static}.series-rail>img{height:250px}.episode-check{margin-top:0}.compare-heading{padding-bottom:40px}.decision-panel{padding-block:60px;gap:30px}.troubleshoot-head{gap:20px;padding:20px 0 65px}.troubleshoot-head img{height:230px}.diagnosis{padding:28px}.safety-lead{padding-bottom:50px}.safety-body{padding-top:50px}.safety-image img{height:270px}.related{padding:65px 0}.faq-heading{padding:20px 0}.compare-table-wrap{padding:18px}.identity-check{padding:24px}}
@media(min-width:761px){.primary-nav{display:flex!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
