:root{color-scheme:dark;--bg:#08090b;--panel:#151719;--panel-2:#1c2021;--line:#303537;--text:#f5f7f5;--muted:#a7afb0;--subtle:#7d888a;--lime:#c6f74f;--pink:#f84caa;--cyan:#77d8d0}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:0;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{outline-offset:4px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--lime)}img{max-width:100%;height:auto}.shell{width:min(100% - 64px,1440px);margin-inline:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:0}h1{font-size:clamp(44px,5.1vw,84px);font-weight:720}h2{font-size:clamp(29px,3.1vw,46px)}h3{font-size:23px}p{color:var(--muted)}em{font-style:normal;color:var(--lime)}.eyebrow{color:var(--lime);font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:18px}.muted{color:var(--muted)}.number{font:700 13px/1.2 Arial,sans-serif;color:var(--lime)}
.notice{border-bottom:1px solid #25292b;background:#111516;color:#b2bbba;font-size:12px}.notice .shell{display:flex;justify-content:space-between;gap:20px;padding-block:8px}.notice a{color:var(--lime)}.header{background:#08090b;border-bottom:1px solid #242829}.header-inner{display:flex;align-items:center;gap:42px;min-height:82px}.brand{display:inline-flex;align-items:center;gap:12px;flex:none;font-size:17px;font-weight:800;line-height:1.1;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:39px;height:39px;background:var(--lime);color:#0c120a;font-size:24px;font-weight:900;line-height:1}.brand-mark span{color:#379175}.brand small{display:block;color:var(--subtle);font-size:10px;font-weight:500;letter-spacing:2px;margin-top:4px}.header nav{display:flex;align-items:center;gap:34px;margin-left:auto}.header nav a{color:#afb5b6;font-size:14px;padding-block:28px;border-bottom:2px solid transparent;white-space:nowrap}.header nav a:hover,.header nav a.active{color:var(--text);border-color:var(--lime)}.header-cta{padding:10px 17px;border:1px solid #575e5e;border-radius:4px;white-space:nowrap;font-size:13px;font-weight:700;transition:background .2s,color .2s}.header-cta:hover{background:var(--lime);color:#101510;border-color:var(--lime)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:4px;font-weight:700;font-size:14px;white-space:normal;text-align:center;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--lime);color:#111511}.primary:hover{background:#dcff8f}.outline{border:1px solid #656f6d;color:var(--text)}.outline:hover{border-color:var(--lime);color:var(--lime)}.plain-link{font-size:14px;font-weight:700;color:#e1e9e3}.plain-link:hover,.section-head>a:hover,.product-grid a:hover,.market-aside a:hover{color:var(--lime)}
.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.4fr);gap:10%;align-items:end;padding-block:104px 112px}.hero h1{margin:0 0 28px;max-width:900px}.lead{max-width:660px;font-size:17px;line-height:1.85}.hero .eyebrow i{display:inline-block;background:var(--lime);width:7px;height:7px;border-radius:50%;margin-right:8px;box-shadow:0 0 10px var(--lime)}.actions{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-top:34px}.hero-note{border-top:1px solid var(--lime);padding-top:20px;margin-bottom:15px}.hero-note span{font-size:12px;color:var(--lime)}.hero-note strong{display:block;font-size:28px;line-height:1.28;margin:24px 0}.hero-note p{font-size:14px;line-height:1.85;max-width:260px}
.market-band{background:#0e1011;border-block:1px solid #252a2a;padding-block:82px 92px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.section-head h2{margin-bottom:10px}.section-head p:last-child{margin-bottom:0}.section-head>a{font-size:14px;font-weight:700;margin-bottom:9px;white-space:nowrap}.market-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,340px);gap:24px}.chart-card,.rail-panel{background:var(--panel);border:1px solid #252929;border-radius:6px}.chart-card{padding:30px 32px 23px;min-width:0}.chart-top,.asset,.chart-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px}.asset{justify-content:flex-start}.asset img{width:42px;height:42px;object-fit:contain}.asset strong{display:block;font-size:17px}.asset strong span{color:var(--subtle);font-size:13px;margin-left:5px;font-weight:600}.asset small{display:block;color:var(--subtle);font-size:12px;margin-top:3px}.badge{border:1px solid #536740;border-radius:20px;background:#1d2819;color:var(--lime);font-size:11px;padding:4px 9px;white-space:nowrap}.price{display:flex;flex-direction:column;align-items:flex-start;gap:1px;margin:32px 0 8px}.price strong{font-size:57px;line-height:1.1}.price span,.price small{color:var(--subtle);font-size:13px}.canvas-wrap{position:relative;height:clamp(230px,24vw,360px);width:100%;margin:12px 0 20px}.canvas-wrap canvas{display:block;width:100%;height:100%;cursor:crosshair}.tooltip{position:absolute;z-index:1;pointer-events:none;padding:7px 9px;background:#272c2d;border:1px solid #586061;border-radius:3px;font-size:12px;color:var(--text);white-space:nowrap}.chart-bottom{border-top:1px solid #313737;padding-top:16px;flex-wrap:wrap}.chart-bottom>span{font-size:11px;color:var(--subtle)}.periods{display:flex;gap:5px;flex-wrap:wrap}.periods button{background:transparent;border:0;border-radius:4px;color:var(--subtle);min-width:66px;height:36px;padding:0 9px;cursor:pointer;font-size:12px}.periods button:hover{color:var(--text);background:#313637}.periods button.active{color:var(--text);background:#383e3e}.market-aside{display:flex;flex-direction:column;gap:24px}.market-aside>div{border-top:1px solid #5b655e;padding:23px 10px 0;flex:1}.market-aside>div+div{border-top-color:#876077}.market-aside h3{margin:0 0 12px}.market-aside p:not(.eyebrow){font-size:14px;line-height:1.85}.market-aside a{font-size:13px;font-weight:700}
.products{padding-block:110px 110px}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:50px}.product-grid article{border-top:1px solid #59615d;padding-top:23px}.product-grid h3{margin:24px 0 14px}.product-grid p{max-width:580px;line-height:1.85}.product-grid a{font-size:13px;font-weight:700}.check-band{background:#c6f74f;color:#101710;padding:90px 0}.check-band .eyebrow,.check-band p{color:#2f4627}.check-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);gap:10%}.check-grid h2{max-width:480px}.check-grid>div>p:last-child{max-width:480px}.check-grid ol{list-style:none;padding:0;margin:0}.check-grid li{display:flex;gap:25px;align-items:start;border-bottom:1px solid #7ca345;padding:16px 0}.check-grid li:first-child{border-top:1px solid #7ca345}.check-grid li span{font-size:13px;font-weight:800;min-width:24px}.check-grid li strong{font-size:18px}.check-grid li p{font-size:13px;margin:3px 0 0}.faq-preview{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1fr);gap:11%;padding-block:108px}.faq-preview>div>p:not(.eyebrow){max-width:400px}.faq-preview .button{margin-top:15px}.question-links a{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #424a49;padding:23px 0;font-weight:600}.question-links a:first-child{border-top:1px solid #424a49}.question-links span{color:var(--lime)}.question-links a:hover{color:var(--lime)}
.footer{background:#111415;border-top:1px solid #2b3030}.footer-main{display:flex;justify-content:space-between;gap:60px;padding-block:60px}.footer-main p{font-size:12px;max-width:440px;margin:23px 0 0}.footer-main nav{display:flex;gap:22px;align-items:start;flex-wrap:wrap;font-size:12px;color:#ced5d3}.footer-main nav a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #303636;padding-block:20px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--subtle)}
.breadcrumbs{display:flex;gap:12px;color:var(--subtle);font-size:12px;padding-top:33px}.breadcrumbs a:hover{color:var(--lime)}.detail-title{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:55px 0 27px}.detail-title h1{font-size:clamp(34px,3.4vw,54px);margin-bottom:13px}.detail-title p:not(.eyebrow){max-width:680px;margin:0}.detail-title>a{font-size:13px;font-weight:700;white-space:nowrap;border-bottom:1px solid #646d69;padding-bottom:7px}.detail-title>a:hover{color:var(--lime)}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,330px);gap:22px}.detail-chart .price{margin:26px 0 0}.detail-chart .price strong{margin:8px 0}.detail-chart .canvas-wrap{height:clamp(300px,31vw,455px)}.rail{display:flex;flex-direction:column;gap:22px}.rail-panel{padding:27px}.rail-panel h2{font-size:21px;margin:0 0 19px}.rail-panel dl{margin:0}.rail-panel dl div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #363c3c;padding:16px 0;font-size:13px}.rail-panel dt{color:var(--subtle)}.rail-panel dd{margin:0;color:#f1f5ef}.rail-panel p{font-size:12px;line-height:1.8}.promo-panel{background:#1b2117;border-color:#495e35}.promo-panel .button{width:100%;margin-top:10px}.reading{padding-block:110px 85px}.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.reading-grid article{border-top:1px solid #565f5b;padding-top:22px}.reading-grid h3{margin:22px 0 14px}.reading-grid p{font-size:14px;line-height:1.8}.next-section{border-top:1px solid #3b4340;padding:48px 0 90px}.next-section h2{font-size:30px}.next-section p{max-width:600px}.next-section .button{margin-top:12px}
.faq-title{padding:72px 0 80px;max-width:800px}.faq-title h1{font-size:clamp(42px,4.5vw,70px);margin-bottom:25px}.faq-title p:not(.eyebrow){max-width:680px;font-size:17px}.faq-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:10%;border-top:1px solid #3c4541;padding-top:50px}.faq-index{align-self:start;position:sticky;top:25px;display:flex;flex-direction:column;gap:5px}.faq-index span{font-size:11px;color:var(--subtle);margin-bottom:18px}.faq-index a{font-size:13px;padding:10px 0;color:#c3c9c7}.faq-index a:hover{color:var(--lime)}.answers section{scroll-margin-top:40px;margin-bottom:68px}.answers h2{margin-bottom:22px}.answers details{border-top:1px solid #3a4241}.answers details:last-child{border-bottom:1px solid #3a4241}.answers summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:21px 0;font-weight:650;font-size:17px}.answers summary::-webkit-details-marker{display:none}.answers summary::after{content:"+";color:var(--lime);font-size:24px;font-weight:300}.answers details[open] summary::after{content:"−"}.answers details p{max-width:760px;margin:0 0 24px;font-size:14px;line-height:1.9}.answers details a{color:var(--lime);text-decoration:underline}.faq-end{border-top:1px solid #444b48;padding:55px 0 100px}.faq-end h2{font-size:30px}.faq-end p{max-width:670px}.faq-end .button{margin-top:14px}
@media(max-width:1050px){.header-inner{gap:22px}.header nav{gap:18px}.market-grid,.detail-grid{grid-template-columns:minmax(0,1fr) 280px}.chart-card{padding:25px}.hero{gap:5%}.hero-note strong{font-size:23px}}
@media(max-width:800px){.shell{width:min(100% - 40px,1440px)}.header-inner{flex-wrap:wrap;padding:14px 0 0;gap:10px}.header nav{order:3;width:100%;margin:0;overflow-x:auto;gap:27px}.header nav a{padding:10px 0 13px}.header-cta{margin-left:auto}.hero{grid-template-columns:1fr;padding:70px 0 80px}.hero-note{margin:55px 0 0;display:grid;grid-template-columns:90px 1fr;gap:12px 25px}.hero-note strong{margin:0}.hero-note p{grid-column:2;margin:0;max-width:500px}.market-grid,.detail-grid{grid-template-columns:1fr}.market-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.rail{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.check-grid{gap:5%}.faq-grid{grid-template-columns:170px 1fr;gap:5%}.detail-title{align-items:start;flex-direction:column}}
@media(max-width:600px){.shell{width:min(100% - 32px,1440px)}.notice .shell{font-size:10px;gap:8px}.brand{font-size:14px}.brand-mark{height:34px;width:34px;font-size:21px}.header-cta{padding:8px 10px;font-size:11px}.header nav{justify-content:space-between;gap:12px}.header nav a{font-size:12px}.hero{padding:60px 0 70px}.hero h1{font-size:clamp(38px,10vw,58px)}.lead,.faq-title p:not(.eyebrow){font-size:15px}.hero-note{grid-template-columns:1fr}.hero-note p{grid-column:auto}.market-band{padding-block:62px}.section-head{align-items:start}.section-head>a{font-size:12px}.chart-card{padding:18px 14px 15px}.asset img{height:35px;width:35px}.badge{font-size:10px}.price{margin-top:22px}.price strong{font-size:46px}.canvas-wrap{height:240px}.chart-bottom>span{margin-top:8px}.periods{width:100%;justify-content:space-between}.periods button{min-width:0;flex:1;padding:0 4px}.market-aside,.product-grid,.check-grid,.faq-preview,.reading-grid,.rail{grid-template-columns:1fr}.market-aside{gap:25px}.products{padding-block:75px}.product-grid{gap:30px}.check-band{padding-block:65px}.faq-preview{padding-block:75px;gap:45px}.footer-main{display:block;padding-block:48px}.footer-main nav{margin-top:32px;gap:15px}.footer-bottom{display:block;line-height:1.8}.detail-title{padding:40px 0 24px}.detail-title h1{font-size:34px}.detail-chart .canvas-wrap{height:270px}.reading{padding-block:75px 50px}.faq-title{padding:54px 0 60px}.faq-title h1{font-size:38px}.faq-grid{display:block;padding-top:35px}.faq-index{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 10px;margin-bottom:45px}.faq-index span{grid-column:1/-1}.answers summary{font-size:15px}.answers section{margin-bottom:55px}.faq-end{padding-bottom:70px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
.chart-status{color:var(--muted);font-size:12px;white-space:nowrap}
.hero-note img{display:block;width:min(100%,260px);height:auto;margin:0 0 20px}
.reading-visual{display:flex;align-items:center;gap:30px;margin:0 0 48px;border-block:1px solid var(--line);padding:20px 0}
.reading-visual img{display:block;width:min(35%,200px);height:auto;flex:none}
.reading-visual figcaption{max-width:540px;color:var(--muted);font-size:15px;line-height:1.8}
.topic-visual{max-width:580px;margin:0 0 26px}
.topic-visual img{display:block;width:100%;height:auto;mix-blend-mode:screen}
.topic-visual figcaption{font-size:13px;color:var(--subtle);line-height:1.7}
@media(max-width:800px){.hero-note img{width:90px;margin:0}}
@media(max-width:600px){.hero-note img{width:min(100%,190px);margin:0 0 18px}.reading-visual{gap:14px;margin-bottom:36px}.reading-visual img{width:34%}.reading-visual figcaption{font-size:12px}}

/* Long-form educational content */
.knowledge-band{border-block:1px solid var(--line);background:#101315;padding-block:96px}
.knowledge-layout{display:grid;grid-template-columns:minmax(260px,.68fr) minmax(0,1fr);gap:8%}
.knowledge-intro{align-self:start;position:sticky;top:35px}.knowledge-intro h2{margin:18px 0 26px}.knowledge-intro p{font-size:16px;line-height:1.9;max-width:570px}.knowledge-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 38px}
.knowledge-steps article{border-top:1px solid #45504a;padding:23px 0 28px}.knowledge-steps span{color:var(--lime);font-size:12px;font-weight:700}.knowledge-steps h3{font-size:21px;margin:19px 0 13px}.knowledge-steps p{font-size:15px;line-height:1.85;margin:0}
.asset-primer{padding-block:94px}.asset-lines{border-top:1px solid var(--line)}.asset-lines article{display:grid;grid-template-columns:minmax(180px,.25fr) minmax(0,1fr) auto;align-items:center;gap:30px;border-bottom:1px solid var(--line);padding:27px 0}.asset-lines h3{font-size:24px;margin:7px 0 0}.asset-lines p{margin:0;line-height:1.8;max-width:760px}.asset-lines a,.source-note a,.market-method a,.faq-deep a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}.asset-lines a{white-space:nowrap;font-size:13px}.asset-footnote{padding-top:25px;font-size:14px}.source-note{border-top:1px solid var(--line);padding-block:56px 72px}.source-note h2{font-size:24px}.source-note p{max-width:950px;line-height:1.9;margin-bottom:0}
.metrics{padding-block:78px 80px;scroll-margin-top:30px}.metric-table-wrap{overflow-x:auto;border-block:1px solid #46504c}.metric-table{width:100%;border-collapse:collapse;table-layout:fixed;text-align:left}.metric-table th,.metric-table td{padding:21px 20px 21px 0;border-bottom:1px solid #2d3531;vertical-align:top;line-height:1.75}.metric-table thead th{font-size:13px;color:var(--lime);font-weight:700}.metric-table thead th:first-child{width:19%}.metric-table thead th:nth-child(2){width:39%}.metric-table tbody th{font-size:16px;font-weight:650}.metric-table td{font-size:14px;color:var(--muted)}.metric-table tr:last-child th,.metric-table tr:last-child td{border-bottom:0}.table-caption{font-size:13px;margin:17px 0 0}
.worked-example{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.35fr);gap:8%;align-items:center;border-block:1px solid var(--line);padding:70px 0}.worked-example h2{margin:16px 0 25px}.worked-example p{max-width:820px;line-height:1.9}.example-calc{border-left:2px solid var(--lime);padding:20px 0 20px 28px;display:flex;flex-direction:column;gap:9px}.example-calc span{color:var(--muted);font-size:14px}.example-calc strong{font-size:clamp(23px,2.4vw,35px);white-space:nowrap}.example-calc small{color:var(--subtle);line-height:1.7}.market-method{padding:75px 0 110px}.market-method ol{list-style:none;counter-reset:metric;padding:0;margin:32px 0}.market-method li{counter-increment:metric;border-top:1px solid var(--line);padding:18px 0;line-height:1.8;color:var(--muted)}.market-method li::before{content:counter(metric,decimal-leading-zero);color:var(--lime);font-size:13px;font-weight:700;display:inline-block;width:48px}.market-method li strong{color:var(--text)}.market-method>p{line-height:1.9;max-width:930px}
.faq-deep{border-top:1px solid #3b4541;padding:65px 0;scroll-margin-top:25px}.faq-deep h2{max-width:980px;margin:14px 0 24px}.faq-deep>p{max-width:940px;font-size:16px;line-height:1.95}.verification-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px;margin-top:35px}.verification-grid>div{border-top:1px solid var(--line);padding-top:20px}.verification-grid h3{font-size:21px}.verification-grid p{line-height:1.9;font-size:15px}.risk-list{padding-left:25px;max-width:900px;margin:25px 0 32px}.risk-list li{padding:7px 0;color:var(--muted);line-height:1.8}.risk-list li::marker{color:var(--lime)}
@media(max-width:1050px){.knowledge-layout{gap:5%}.asset-lines article{grid-template-columns:160px minmax(0,1fr)}.asset-lines a{grid-column:2}.verification-grid{gap:22px}}
@media(max-width:800px){.knowledge-layout{grid-template-columns:1fr}.knowledge-intro{position:static;margin-bottom:40px}.worked-example{grid-template-columns:1fr;gap:20px}.verification-grid{grid-template-columns:1fr}.verification-grid>div{padding-top:18px}.metric-table{min-width:670px}}
@media(max-width:600px){.knowledge-band{padding-block:68px}.knowledge-steps{grid-template-columns:1fr}.knowledge-steps h3{font-size:19px}.asset-primer{padding-block:65px}.asset-lines article{grid-template-columns:1fr;gap:10px;padding:24px 0}.asset-lines a{grid-column:auto}.asset-lines p{font-size:14px}.source-note{padding-block:44px 58px}.metrics{padding-block:62px}.metric-table th,.metric-table td{padding:15px 14px 15px 0}.worked-example{padding-block:58px}.example-calc{padding-left:20px}.market-method{padding:55px 0 75px}.market-method li{font-size:14px}.market-method li::before{width:37px}.faq-deep{padding-block:52px}.faq-deep>p{font-size:15px}.verification-grid h3{font-size:19px}}

.account-actions{display:flex;align-items:center;gap:8px;flex:none;margin-left:6px}
.account-link{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:72px;min-height:38px;padding:8px 12px;border:1px solid #626b67;border-radius:4px;white-space:nowrap;font-size:13px;font-weight:700;line-height:1.2;transition:background .2s,border-color .2s,color .2s}
.account-link span{font-size:12px}.account-login:hover{border-color:var(--lime);color:var(--lime)}.account-register{background:var(--lime);border-color:var(--lime);color:#111511}.account-register:hover{background:#dcff8f;border-color:#dcff8f}
.account-link:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
@media(max-width:800px){.account-actions{order:2;margin-left:auto}.header nav{order:3}}
@media(max-width:600px){.account-actions{gap:6px}.account-link{min-width:56px;min-height:34px;padding:7px 8px;font-size:12px}.account-link span{font-size:10px}.header-inner{column-gap:8px}}