:root{--green:#1aad19;--green-dark:#148f14;--ink:#1a1a1a;--muted:#68717d;--line:#e4e8ec;--bg:#f5f5f5;--card:#fff;--raw:#2563eb;--white:#e87924;--navy:#10283d;--shadow:0 12px 36px rgba(22,35,48,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}h1,h2,h3,p,li,summary{text-wrap:pretty}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:fixed;z-index:100;top:8px;left:8px;padding:8px 12px;background:#fff;transform:translateY(-140%)}.skip-link:focus{transform:none}
.site-header{height:64px;background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:50}.header-inner{height:100%;display:flex;align-items:center;gap:30px}.brand{flex:0 0 auto}.top-nav{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px;font-weight:600}.top-nav a:hover{color:var(--green)}.home-btn{padding:9px 15px;border:1px solid #d9e1dc;border-radius:5px;color:var(--green-dark);font-size:14px;font-weight:700}.home-btn:hover{background:#f0faf0;border-color:#b9dbb9}
.hero{background:linear-gradient(118deg,#f1faf2 0,#fff 58%,#f5f8fa 100%);border-bottom:1px solid #e5eee7;overflow:hidden}.hero-grid{min-height:420px;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;padding-top:44px;padding-bottom:44px;position:relative}.hero-grid:after{content:"";position:absolute;width:280px;height:280px;border:60px solid rgba(26,173,25,.055);border-radius:50%;right:-130px;top:-90px}.eyebrow,.kicker{margin:0 0 8px;color:var(--green-dark);font-size:12px;font-weight:800;letter-spacing:.16em}.hero h1{margin:0;font-size:60px;line-height:1.05;letter-spacing:-.045em}.hero h1 span{color:var(--green)}.hero-lead{max-width:600px;margin:20px 0 24px;color:#4b5864;font-size:18px}.hero-actions{display:flex;align-items:center;gap:26px}.primary-btn{background:var(--green);color:#fff;padding:12px 22px;border-radius:5px;font-weight:700}.primary-btn:hover{background:var(--green-dark)}.text-link{font-weight:700}.text-link:hover{color:var(--green)}.hero-note{position:relative;z-index:1;background:#fff;border:1px solid #e1e9e3;border-radius:12px;padding:24px;box-shadow:var(--shadow)}.pulse{font-size:14px;color:#51605a}.pulse span{display:inline-block;width:8px;height:8px;margin-right:8px;background:var(--green);border-radius:50%;box-shadow:0 0 0 6px rgba(26,173,25,.1)}.hero-note>p{margin:16px 0;color:#56616b;font-size:14px}.hero-note dl{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding-top:15px;border-top:1px solid var(--line)}.hero-note dl div{padding-left:16px;border-left:1px solid var(--line)}.hero-note dl div:first-child{padding-left:0;border:0}.hero-note dt{color:#8a929a;font-size:12px}.hero-note dd{margin:3px 0 0;font-size:16px;font-weight:800}
.section{padding:84px 0}.section-heading{max-width:720px;margin-bottom:34px}.section-heading h2{margin:0;font-size:36px;line-height:1.25;letter-spacing:-.025em}.section-heading>p:last-child{margin:14px 0 0;color:var(--muted)}.heading-row{max-width:none;display:flex;align-items:end;justify-content:space-between}.asof{margin:0!important;font-size:13px}.quote-grid{display:grid;grid-template-columns:1fr 1fr .86fr;gap:18px}.quote-card,.insight-card,.chart-card{background:#fff;border:1px solid var(--line);border-radius:12px}.quote-card{padding:24px;border-top-width:3px}.raw-card{border-top-color:var(--raw)}.white-card{border-top-color:var(--white)}.quote-top{display:flex;justify-content:space-between;align-items:center}.market-tag{color:#7c8690;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.symbol{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#f1f4f7;font-size:12px;font-weight:900}.quote-card h3{margin:14px 0 4px;font-size:17px}.quote-line{display:flex;align-items:baseline;gap:8px}.quote-line strong{font-size:38px;line-height:1.2;letter-spacing:-.04em}.quote-line span{color:#77808a;font-size:13px}.quote-meta{display:flex;justify-content:space-between;margin-top:8px;color:#77808a;font-size:12px}.change-up{color:#d94a3d!important}.change-down{color:#16845b!important}.range{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin-top:22px;color:#8a929a;font-size:10px}.range b{color:#59636d;font-weight:600}.range i{height:4px;background:#e8edf1;border-radius:3px;overflow:hidden}.range em{display:block;height:100%;border-radius:3px}.raw-card .range em{background:var(--raw)}.white-card .range em{background:var(--white)}.insight-card{padding:24px;background:var(--navy);border-color:var(--navy);color:#fff}.insight-card .kicker{color:#74d277}.insight-card h3{margin:0 0 13px}.insight-card dl{margin:0}.insight-card dl div{display:flex;justify-content:space-between;gap:18px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.12)}.insight-card dt{color:#b7c2cb;font-size:12px}.insight-card dd{margin:0;font-weight:800;font-size:13px}.micro{margin:14px 0 0;color:#9eacb8;font-size:10px;line-height:1.5}
.chart-card{margin-top:18px;padding:28px}.chart-head{display:flex;justify-content:space-between;gap:24px}.chart-head h3{margin:0;font-size:24px}.chart-head p:not(.kicker){margin:4px 0 0;color:var(--muted);font-size:12px}.chart-controls{display:flex;gap:12px;align-items:start}.segmented{display:flex;padding:3px;background:#f1f3f5;border-radius:6px}.segmented button{border:0;background:none;padding:6px 10px;border-radius:4px;color:#68717d;font-size:12px;cursor:pointer}.segmented button.active{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.08)}.legend{display:flex;gap:22px;margin:20px 0 2px;font-size:11px;color:#68717d}.legend span:before{content:"";display:inline-block;width:22px;height:3px;margin-right:7px;vertical-align:middle;border-radius:2px}.raw-key:before{background:var(--raw)}.white-key:before{background:var(--white)}.chart-wrap{position:relative;height:390px}.chart-wrap canvas{width:100%;height:100%;display:block}.tooltip{position:absolute;z-index:3;pointer-events:none;min-width:140px;padding:9px 11px;background:rgba(16,40,61,.94);border-radius:6px;color:#fff;font-size:11px;line-height:1.55;box-shadow:0 8px 24px rgba(0,0,0,.18);transform:translate(12px,-50%)}.tooltip b{font-size:12px}.chart-foot{display:flex;justify-content:space-between;gap:20px;padding-top:12px;border-top:1px solid var(--line);color:#8b939b;font-size:10px}
.intro-section{background:#fff}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.product-card{position:relative;overflow:hidden;padding:34px;border:1px solid var(--line);border-radius:12px}.product-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px}.raw-product:before{background:var(--raw)}.white-product:before{background:var(--white)}.product-no{position:absolute;right:20px;top:-24px;color:#f0f2f5;font-size:94px;font-weight:900;line-height:1}.product-symbol{position:relative;display:grid;place-items:center;width:50px;height:50px;margin-bottom:22px;border-radius:10px;color:#fff;font-size:18px;font-weight:900}.raw-product .product-symbol{background:var(--raw)}.white-product .product-symbol{background:var(--white)}.product-card h3{position:relative;margin:8px 0 12px;font-size:24px}.product-card>p:not(.market-tag){position:relative;color:#59636d}.product-card ul{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}.product-card li{padding:5px 9px;background:#f4f6f8;border-radius:4px;color:#56616a;font-size:11px;font-weight:700}.spec-block{margin-top:74px}.section-heading.compact{margin-bottom:22px}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px}table{width:100%;border-collapse:collapse;min-width:720px;text-align:left}th,td{padding:15px 20px;border-bottom:1px solid var(--line);font-size:13px}thead th{background:#f7f9fa;color:#4c5660;font-size:12px}tbody th{width:20%;color:#69727b;font-weight:600}tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}.dot{display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%}.raw-dot{background:var(--raw)}.white-dot{background:var(--white)}.table-note{margin:10px 0 0;color:#88919a;font-size:11px}
.exchange-section{background:var(--navy);color:#fff}.section-heading.light .kicker,.exchange-section .kicker{color:#75d777}.exchange-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.exchange-grid article{position:relative;padding:34px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.04);overflow:hidden}.exchange-index{position:absolute;right:20px;top:-22px;color:rgba(255,255,255,.04);font-size:110px;font-weight:900;line-height:1}.exchange-grid h3{position:relative;margin:4px 0 12px;font-size:25px}.exchange-grid p:not(.kicker){position:relative;color:#b6c1ca}
.factor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.factor-grid article{padding:24px;background:#fff;border:1px solid var(--line);border-radius:10px}.factor-grid b{color:var(--green);font-size:12px}.factor-grid h3{margin:14px 0 8px;font-size:17px}.factor-grid p{margin:0;color:#65707a;font-size:13px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.method-grid article{padding:30px;background:#eef3f6;border-radius:10px}.method-grid h3{margin:0 0 14px;font-size:22px}.method-grid p,.method-grid li{color:#5c6872;font-size:13px}.method-grid ul{margin:0;padding-left:20px}.method-grid li+li{margin-top:8px}footer{padding:42px 0;background:#fff;border-top:1px solid #eee}.footer-inner{display:flex;justify-content:space-between;align-items:end;gap:30px}.footer-inner p{margin:10px 0 0;color:#7b848c;font-size:12px}.footer-inner>div:last-child{text-align:right}.footer-inner a{display:inline-block;margin-top:10px;color:var(--green-dark);font-size:13px;font-weight:800}
@media(max-width:900px){.top-nav{display:none}.hero-grid{grid-template-columns:1fr;gap:36px;min-height:auto}.quote-grid{grid-template-columns:1fr 1fr}.insight-card{grid-column:1/-1}.factor-grid{grid-template-columns:1fr 1fr}.chart-head{display:block}.chart-controls{margin-top:18px}.hero h1{font-size:54px}}
@media(max-width:640px){.shell{width:min(100% - 28px,1180px)}.site-header{height:58px}.brand img{width:150px;height:auto}.home-btn{margin-left:auto;padding:7px 10px;font-size:12px}.hero-grid{padding-top:42px;padding-bottom:42px}.hero h1{font-size:44px}.hero-lead{font-size:16px}.hero-note{padding:22px}.hero-note dl{gap:8px}.hero-note dd{font-size:13px}.section{padding:58px 0}.section-heading h2{font-size:29px}.heading-row{display:block}.asof{margin-top:8px!important}.quote-grid,.product-grid,.exchange-grid,.factor-grid,.method-grid{grid-template-columns:1fr}.insight-card{grid-column:auto}.chart-card{padding:18px}.chart-controls{display:block}.segmented{width:100%;margin-top:8px}.segmented button{flex:1}.chart-wrap{height:320px}.chart-foot{display:block}.chart-foot span{display:block;margin-top:4px}.product-card{padding:26px}.footer-inner{display:block}.footer-inner>div:last-child{text-align:left;margin-top:24px}.chart-head h3{font-size:21px}.legend{margin-top:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.section{padding:68px 0}.section-heading{margin-bottom:28px}.section-heading>p:last-child{margin-top:10px}.quote-card,.insight-card{padding:22px}.chart-card{padding:24px}.chart-wrap{height:350px}.product-card{padding:30px}.spec-block{margin-top:56px}.exchange-grid article{padding:30px}.factor-grid article{padding:22px}.method-grid{margin-top:34px}.method-grid article{padding:26px}.faq-block{display:grid;grid-template-columns:.42fr 1fr;gap:52px;margin-top:54px;padding-top:48px;border-top:1px solid var(--line)}.faq-intro h2{margin:0;font-size:32px;line-height:1.25}.faq-intro>p:last-child{margin:10px 0 0;color:var(--muted);font-size:13px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{position:relative;padding:17px 38px 17px 0;cursor:pointer;list-style:none;font-size:15px;font-weight:750}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:4px;top:13px;color:var(--green);font-size:22px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list summary:focus-visible{outline:2px solid var(--green);outline-offset:3px}.faq-list details p{margin:0;padding:0 38px 18px 0;color:#65707a;font-size:13px}.editorial-note{display:grid;grid-template-columns:.8fr 1.55fr .8fr;margin-top:34px;padding:18px 22px;background:#eef3f0;border-radius:8px}.editorial-note div{padding:0 20px;border-left:1px solid #d7e1da}.editorial-note div:first-child{padding-left:0;border-left:0}.editorial-note span,.editorial-note strong{display:block}.editorial-note span{color:#7f8982;font-size:10px;letter-spacing:.08em}.editorial-note strong{margin-top:2px;color:#445049;font-size:12px}.footer-notes{max-width:720px}.footer-notes p:first-child{color:#5d6861}.footer-notes strong{color:#3b473f}footer{padding:34px 0}
@media(max-width:900px){.faq-block{grid-template-columns:1fr;gap:18px}.editorial-note{grid-template-columns:1fr}.editorial-note div,.editorial-note div:first-child{padding:9px 0;border:0;border-bottom:1px solid #d7e1da}.editorial-note div:last-child{border-bottom:0}.footer-notes{max-width:560px}}
@media(max-width:640px){.section{padding:52px 0}.chart-card{padding:18px}.chart-wrap{height:320px}.product-card{padding:26px}.exchange-grid article{padding:26px}.method-grid article{padding:24px}.faq-block{margin-top:42px;padding-top:38px}.faq-intro h2{font-size:28px}.faq-list summary{padding-top:15px;padding-bottom:15px}.footer-notes{max-width:none}footer{padding:30px 0}}
.benchmark-note>.kicker{margin:0 0 4px;color:var(--green-dark)}.benchmark-note>h2{margin:0 0 10px;font-size:22px;line-height:1.3}.benchmark-item{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}.benchmark-symbol{display:grid;place-items:center;width:36px;height:36px;margin-top:2px;border-radius:8px;font-size:12px;font-weight:900}.raw-benchmark .benchmark-symbol{background:#eaf0ff;color:var(--raw)}.white-benchmark .benchmark-symbol{background:#fff1e7;color:var(--white)}.benchmark-item h3{margin:0 0 3px;font-size:14px}.benchmark-item p{margin:0;color:#606b75;font-size:12px;line-height:1.6}.benchmark-note>.benchmark-source{margin:5px 0 0;color:#8a929a;font-size:10px}.transmission-section{background:#fff}.transmission-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:0 42px}.transmission-grid>.section-heading{grid-column:1/-1;max-width:800px}.transmission-content{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.transmission-content article{padding:20px 0;border-top:1px solid var(--line)}.transmission-content h3{margin:0 0 8px;font-size:17px}.transmission-content p{margin:0;color:#606b75;font-size:13px;line-height:1.85}.transmission-note{align-self:start;padding:26px;background:#f0f6f1;border:1px solid #dce9de;border-radius:10px}.transmission-note h3{margin:0 0 14px;font-size:19px}.transmission-note ol{margin:0;padding-left:20px;color:#4f5d54}.transmission-note li{padding:5px 0;border-bottom:1px solid #dce6de;font-size:12px}.transmission-note li:last-child{border-bottom:0}
.related-resources{grid-column:1/-1;display:grid;grid-template-columns:260px 1fr;gap:34px;margin-top:38px;padding-top:30px;border-top:1px solid var(--line)}.related-resources-heading h3{margin:0;font-size:22px}.related-resources-heading>p:last-child{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.7}.related-resource-links{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden}.related-resource-links a{position:relative;min-width:0;padding:20px 42px 20px 20px;background:#fff;border-left:1px solid var(--line);transition:background-color .18s ease}.related-resource-links a:first-child{border-left:0}.related-resource-links a:hover{background:#f3f8f4}.related-resource-links a:focus-visible{z-index:1;outline:2px solid var(--green);outline-offset:-2px}.related-resource-links .resource-type{display:block;margin-bottom:7px;color:var(--green-dark);font-size:10px;font-weight:800;letter-spacing:.12em}.related-resource-links strong{display:block;font-size:14px;line-height:1.45}.related-resource-links strong+span{display:block;margin-top:7px;color:#68727b;font-size:11px;line-height:1.65}.related-resource-links i{position:absolute;right:18px;top:20px;color:var(--green);font-size:17px;font-style:normal}
@media(max-width:900px){.transmission-grid{grid-template-columns:1fr}.transmission-grid>.section-heading{grid-column:auto}.transmission-note{margin-top:24px}.related-resources{grid-column:auto;grid-template-columns:1fr;gap:16px}.related-resource-links{grid-template-columns:1fr}.related-resource-links a,.related-resource-links a:first-child{border:0;border-top:1px solid var(--line)}.related-resource-links a:first-child{border-top:0}}
@media(max-width:640px){.benchmark-note>h2{font-size:20px}.benchmark-item{padding:13px 0}.transmission-content{grid-template-columns:1fr}.transmission-content article{padding:17px 0}.transmission-note{padding:22px}.related-resources{margin-top:30px;padding-top:26px}.related-resource-links a{padding:18px 40px 18px 18px}}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.segmented button:focus-visible{outline:2px solid var(--green);outline-offset:2px}