:root{color-scheme:light;--home-bg:var(--qg-bg,#050e1b);--home-ink:var(--qg-ink,#e1edf9);--home-muted:#6c756f;--home-line:var(--qg-line,#263f58);--home-green:var(--qg-accent);--home-lime:var(--qg-accent-bg);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--home-bg);color:var(--home-ink);font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}[hidden]{display:none!important}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--home-green);outline-offset:5px}.home-wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:16px;z-index:1000;background:var(--home-ink);color:#fff;padding:10px 18px}.skip-link:focus{top:10px}
.home-header{position:sticky;top:0;z-index:40;background:var(--qg-raised);backdrop-filter:blur(16px);border-bottom:1px solid var(--qg-line)}.home-header-inner{min-height:86px;display:flex;align-items:center;gap:40px}.home-header .qg-brand .qg-brand__name,.home-footer .qg-brand .qg-brand__name{color:var(--home-ink);font-size:24px}.home-header .qg-brand .qg-brand__name small,.home-footer .qg-brand .qg-brand__name small{color:var(--qg-muted)}.home-nav{display:flex;align-items:center;gap:32px;margin-left:auto;font-size:13px}.home-nav a{padding:10px 0;color:var(--qg-accent)}.home-nav a:hover{color:var(--qg-accent)}.home-nav a span{font-size:11px;color:var(--qg-accent);margin-left:3px}#userSlot{min-width:96px}body[data-page=home] .seat-user-btn{color:var(--home-ink);border-color:var(--qg-line);background:#fff9;padding:7px 11px 7px 7px}body[data-page=home] .seat-user-plan{color:var(--qg-muted);background:var(--qg-raised)}body[data-page=home] .seat-user-plan.is-vip{color:var(--qg-muted);background:var(--qg-accent-bg)}.home-menu-toggle{display:none;border:0;background:transparent;color:var(--home-ink);font-size:22px}
.home-hero{text-align:center;padding-top:76px}.home-kicker{display:flex;align-items:center;justify-content:center;gap:10px;font-size:12px;letter-spacing:2px;color:var(--qg-muted)}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--qg-accent-strong);flex-shrink:0}.home-hero h1{font-size:clamp(44px,5.2vw,76px);font-weight:550;line-height:1.28;letter-spacing:-3px;margin:28px 0 23px}.hero-emphasis{position:relative;display:inline-block;color:var(--qg-muted)}.hero-emphasis::after{content:"";position:absolute;bottom:0;left:0;right:18px;height:9px;background:var(--home-lime);z-index:-1;border-radius:50%}.hero-period{color:var(--home-ink)}.hero-description{color:var(--home-muted);font-size:17px;line-height:1.9;margin:0}.home-actions{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:28px}.home-button{display:inline-flex;align-items:center;justify-content:center;gap:28px;border-radius:6px;padding:14px 24px;font-size:14px;font-weight:500;transition:background .2s,transform .2s}.home-button.primary{color:#fff;background:var(--home-ink);border:1px solid var(--home-ink)}.home-button.primary:hover{background:var(--qg-raised);transform:translateY(-2px)}.home-button.primary span{font-size:21px;color:var(--qg-muted);line-height:1}.home-button.quiet{color:var(--qg-muted);border:1px solid var(--home-line);background:transparent}.home-button.quiet:hover{background:var(--qg-raised)}.hero-access{font-size:11px;color:#8b9285;margin-top:16px}.hero-showcase{position:relative;max-width:1060px;margin:54px auto 0;padding:24px 26px 0;background:var(--qg-raised);border-radius:22px 22px 0 0}.hero-showcase::before{content:"";position:absolute;inset:0;border-radius:inherit;background-image:linear-gradient(var(--qg-raised) 1px,transparent 1px),linear-gradient(90deg,var(--qg-raised) 1px,transparent 1px);background-size:36px 36px;pointer-events:none}.product-window{position:relative;overflow:hidden;border:1px solid var(--qg-line);border-radius:10px 10px 0 0;background:white;box-shadow:0 12px 48px color-mix(in srgb,var(--qg-accent) 15%,transparent);text-align:left}.product-window-bar{height:40px;background:var(--qg-raised);color:var(--qg-muted);font:10px/1.4 system-ui,sans-serif;letter-spacing:.8px;display:flex;align-items:center;gap:20px;padding:0 18px}.product-window-bar a{margin-left:auto;color:var(--qg-accent);letter-spacing:0}.window-dots{display:flex;gap:5px}.window-dots i{width:6px;height:6px;background:var(--qg-raised);border-radius:50%}.window-dots i:first-child{background:var(--qg-raised)}.preview-topline{padding:16px 24px 6px;display:flex;align-items:center;justify-content:space-between;gap:16px}.preview-category{display:block;font-size:9px;color:#8a9a8f;letter-spacing:1px}.preview-topline strong{font-size:17px;font-weight:600}.preview-topline strong span{font-size:10px;color:#9aa499;margin-left:16px;font-weight:400}.preview-tag{font-size:10px;border:1px solid var(--qg-line);padding:4px 9px;border-radius:4px;color:var(--qg-muted)}.holdings-preview{width:100%;height:auto;display:block}.preview-legend{display:flex;align-items:center;gap:22px;font-size:10px;color:#899085;padding:8px 24px 15px}.preview-legend>span{display:flex;align-items:center;gap:6px}.preview-legend small{margin-left:auto;font-size:9px;color:#a4a99e}.preview-legend i,.position-art i{width:17px;height:2px;display:inline-block}.institution{background:#4569d4}.foreign{background:#ad874b}.retail{background:#2c8c80}.showcase-note{position:absolute;top:29px;right:-111px;z-index:1;text-align:left;color:var(--qg-muted);font-size:12px;line-height:1.8;transform:rotate(5deg);pointer-events:none}.showcase-note strong{font-weight:500}.note-icon{display:block;font-size:30px;line-height:1;color:var(--qg-muted);margin-bottom:8px}.showcase-note svg{width:60px;height:50px;fill:none;stroke:var(--qg-accent);stroke-width:1.5;transform:rotate(60deg);margin-left:-22px}
.home-facts{display:grid;grid-template-columns:1fr 1.4fr 1fr 1fr;padding-block:42px;border-bottom:1px solid var(--home-line);max-width:1060px;gap:30px}.home-facts>div{display:flex;flex-direction:column;gap:7px;align-items:center;border-right:1px solid var(--home-line)}.home-facts>div:last-child{border:0}.home-facts strong{font-size:24px;font-weight:500;line-height:1.4;letter-spacing:-.5px}.home-facts strong span{font-size:17px;color:var(--qg-ink);margin:0 4px}.home-facts>div>span{font-size:11px;color:var(--qg-muted)}
.home-features{padding-top:112px;padding-bottom:100px}.section-intro{text-align:center;margin-bottom:44px}.section-kicker{font:10px/1.5 system-ui,sans-serif;letter-spacing:2px;color:var(--qg-accent);font-weight:500}.section-intro h2,.workflow-heading h2,.home-faq h2{font-size:39px;line-height:1.5;letter-spacing:-1.7px;font-weight:500;margin:14px 0}.section-intro>p:last-child{font-size:14px;color:var(--home-muted)}.feature-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px}.feature-card{min-width:0;border:1px solid var(--home-line);border-radius:12px;background:#fcfcf8;overflow:hidden;display:flex;flex-direction:column}.feature-card-copy{padding:29px 28px 14px}.feature-number{font-size:10px;letter-spacing:1px;color:var(--qg-muted)}.feature-card h3{font-size:25px;line-height:1.55;font-weight:500;letter-spacing:-.7px;margin:17px 0 14px}.feature-card p{color:#7b8477;font-size:12px;line-height:1.9;margin:0 0 18px}.text-link{font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:16px}.text-link span{color:var(--qg-muted)}.text-link:hover{color:var(--qg-muted)}.radar-art{margin-top:auto;padding:15px 20px 20px;background:var(--qg-raised);border-top:1px solid var(--qg-line);height:230px}.radar-art-top{font-size:10px;color:var(--qg-muted);display:flex;align-items:center;gap:7px}.radar-art-top>span:last-child{margin-left:auto;font-size:9px;color:var(--qg-muted)}.radar-art img{display:block;width:100%;height:142px;object-fit:contain;margin:5px auto}.radar-stage{display:flex;justify-content:center;gap:7px;font-size:9px;color:var(--qg-muted)}.radar-stage span{padding:3px 8px;border-radius:20px;border:1px solid var(--qg-line)}.radar-stage .selected{background:var(--qg-accent-bg);color:var(--qg-muted);border-color:var(--qg-line)}.position-art{margin:22px 20px 0;padding:8px 17px 18px;background:var(--qg-raised);border:1px solid var(--qg-line);border-bottom:0;border-radius:8px 8px 0 0}.position-art>div{display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--qg-line);padding:15px 0;font-size:11px}.position-art small{margin-left:auto;color:var(--qg-muted);font-size:9px}.position-art p{text-align:center;font-size:9px;margin:18px 0 0;color:var(--qg-muted)}.feature-fundamentals{background:var(--qg-raised)}.fundamental-art{position:relative;min-height:225px;margin-top:auto}.fundamental-orbit{position:absolute;width:190px;height:170px;left:50%;top:14px;transform:translateX(-50%);border:1px solid var(--qg-line);border-radius:50%}.fundamental-center{position:absolute;z-index:1;left:50%;top:61px;transform:translateX(-50%);display:grid;place-content:center;width:88px;height:88px;border-radius:50%;background:var(--qg-raised);border:1px solid var(--qg-line);text-align:center;font-size:11px;color:var(--qg-muted);line-height:1.8}.fundamental-center strong{color:var(--qg-ink);font-size:16px;font-weight:500}.metric{position:absolute;z-index:2;border:1px solid var(--qg-line);border-radius:20px;background:var(--qg-raised);color:var(--qg-muted);font-size:10px;padding:4px 15px}.metric-one{top:7px;left:40%}.metric-two{top:55px;right:9%}.metric-three{top:145px;right:14%}.metric-four{top:153px;left:13%}.metric-five{top:63px;left:4%}
.workflow-section{background:var(--qg-soft);padding:85px 0}.workflow-layout{display:grid;grid-template-columns:1fr 1fr;gap:120px;align-items:center}.workflow-heading h2{font-size:42px;line-height:1.45;margin-bottom:18px}.workflow-heading>p:not(.section-kicker){font-size:13px;color:var(--qg-accent)}.workflow-heading .home-button{margin-top:18px}.workflow-steps{list-style:none;padding:0;margin:0}.workflow-steps li{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--qg-line)}.workflow-steps li:last-child{border:0}.workflow-steps li>span{font:12px/2 system-ui,sans-serif;color:var(--qg-muted);padding-top:3px}.workflow-steps h3{font-size:18px;font-weight:500;margin:0 0 9px}.workflow-steps p{font-size:12px;color:var(--qg-muted);margin:0}
.home-principles{padding-top:100px;padding-bottom:95px;border-bottom:1px solid var(--home-line)}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:80px;margin-top:52px}.principle-grid article>span{font:29px/1.3 system-ui,sans-serif;color:var(--qg-accent)}.principle-grid h3{font-size:18px;font-weight:500;margin:17px 0 12px}.principle-grid p{font-size:12px;line-height:1.9;color:#8c9485;margin:0}.home-faq{display:grid;grid-template-columns:1fr 1.5fr;gap:110px;padding-block:95px}.home-faq h2{font-size:31px}.faq-list details{border-bottom:1px solid var(--home-line)}.faq-list summary{cursor:pointer;list-style:none;padding:23px 32px 23px 0;font-size:13px;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:2px;top:19px;font-size:22px;color:var(--qg-muted);font-weight:300}.faq-list details[open] summary::after{content:"−"}.faq-list p{font-size:12px;line-height:1.9;color:var(--qg-muted);margin:0;padding:0 24px 24px 0}.home-final{padding:65px 24px 85px;text-align:center;background:var(--qg-raised);border-radius:12px;margin-bottom:85px;position:relative;overflow:hidden}.home-final::after{content:"";position:absolute;width:370px;height:370px;border:1px solid var(--qg-line);border-radius:50%;right:-180px;bottom:-200px;pointer-events:none}.home-final .section-kicker{color:var(--qg-accent)}.home-final h2{font-size:43px;font-weight:500;line-height:1.45;letter-spacing:-1.6px;margin:21px 0 28px}.home-final .home-button{min-width:168px}.final-secondary{display:block;width:max-content;font-size:11px;color:var(--qg-muted);margin:18px auto 0}.home-footer{border-top:1px solid var(--home-line);padding:45px 0 27px;background:var(--qg-soft)}.footer-top{display:flex;align-items:center;gap:24px;margin-bottom:42px}.footer-top>p{font-size:11px;color:var(--qg-muted);border-left:1px solid var(--qg-line);padding-left:24px}.footer-top nav{margin-left:auto;display:flex;gap:28px;font-size:11px;color:var(--qg-muted)}.footer-top a:hover{color:var(--qg-accent)}.footer-bottom{border-top:1px solid var(--home-line);padding-top:22px;display:flex;justify-content:space-between;font-size:10px;color:var(--qg-muted)}
@media(min-width:1600px){.home-hero{padding-top:86px}.home-hero h1{font-size:83px}.hero-showcase{margin-top:58px}}
@media(max-width:1400px){.showcase-note{display:none}}
@media(max-width:1050px){.home-wrap{width:calc(100% - 64px)}.home-header-inner{gap:24px}.home-nav{gap:22px}.home-hero h1{font-size:60px}.feature-grid{grid-template-columns:repeat(3,1fr)}.feature-card-copy{padding:23px 21px 14px}.feature-card h3{font-size:22px}.feature-card p{font-size:11px}.radar-art{padding-inline:12px}.radar-stage{gap:4px;font-size:8px}.radar-stage span{padding-inline:5px}.workflow-layout{gap:70px}.principle-grid{gap:45px}.home-faq{gap:70px}.footer-top nav{gap:18px}}
@media(max-width:760px){html{scroll-padding-top:85px}.home-wrap{width:calc(100% - 40px)}.home-header-inner{min-height:72px;gap:12px}.home-header .qg-brand .qg-brand__name{font-size:21px}.home-header .qg-brand__mark{width:32px;height:32px}.home-menu-toggle{display:block;margin-left:auto;order:2}.home-header #userSlot{margin-left:auto;min-width:0}body[data-page=home] .seat-user-name{max-width:92px}.home-nav{display:none;position:absolute;left:0;right:0;top:72px;margin:0;background:var(--home-bg);padding:16px 24px;border-bottom:1px solid var(--home-line);box-shadow:0 12px 20px color-mix(in srgb,var(--qg-accent) 15%,transparent)}.home-nav.is-open{display:grid;gap:6px}.home-nav a{padding:10px}.home-hero{padding-top:49px}.home-kicker{font-size:10px;letter-spacing:1px}.home-hero h1{font-size:clamp(34px,7.7vw,56px);line-height:1.4;letter-spacing:-1.8px;margin-top:21px}.hero-emphasis{display:table;margin-inline:auto}.hero-emphasis::after{height:7px;right:22px}.hero-description{font-size:13px;line-height:1.9}.home-actions{gap:9px;margin-top:24px}.home-button{font-size:12px;gap:19px;padding:12px 18px}.hero-access{font-size:9px}.hero-showcase{padding:10px 9px 0;margin-top:35px;border-radius:12px 12px 0 0;width:calc(100% + 16px);margin-left:-8px}.product-window-bar{height:30px;padding-inline:9px;gap:10px;font-size:7px}.product-window-bar a{font-size:7px}.window-dots{gap:3px}.window-dots i{width:4px;height:4px}.preview-topline{padding:10px 11px 0}.preview-topline strong{font-size:12px}.preview-category{font-size:7px}.preview-topline strong span{font-size:7px;margin-left:8px}.preview-tag{display:none}.preview-legend{padding:6px 9px 10px;gap:9px;font-size:7px;flex-wrap:wrap}.preview-legend small{font-size:7px;width:100%;margin-left:0}.preview-legend i{width:11px}.home-facts{grid-template-columns:1fr 1fr;gap:24px 16px;padding-block:30px}.home-facts>div:nth-child(2){border:0}.home-facts strong{font-size:20px}.home-facts>div>span{font-size:10px}.home-features{padding-top:64px;padding-bottom:56px}.section-intro{margin-bottom:30px}.section-kicker{font-size:8px;letter-spacing:1.5px}.section-intro h2{font-size:28px;letter-spacing:-1px}.section-intro>p:last-child{font-size:12px}.feature-grid{grid-template-columns:1fr;gap:17px}.feature-card-copy{padding:25px 26px 20px}.feature-card h3{font-size:26px}.feature-card p{font-size:12px}.feature-radar .radar-art{height:235px}.feature-position .position-art{margin-top:0;margin-inline:26px;padding:0 20px 20px}.position-art>div{font-size:12px}.feature-fundamentals .fundamental-art{min-height:235px}.metric-two{right:22%}.metric-three{right:23%}.metric-four{left:24%}.metric-five{left:20%}.workflow-section{padding-block:55px}.workflow-layout{grid-template-columns:1fr;gap:27px}.workflow-heading h2{font-size:35px}.workflow-steps li{gap:18px;padding-block:22px}.workflow-steps h3{font-size:16px}.workflow-steps p{font-size:11px}.home-principles{padding-block:62px}.principle-grid{gap:28px;grid-template-columns:1fr;margin-top:34px}.principle-grid article{display:grid;grid-template-columns:32px 1fr;column-gap:20px}.principle-grid article>span{grid-row:1/3;margin-top:9px}.principle-grid h3{margin:4px 0 8px;font-size:16px}.principle-grid p{font-size:12px}.home-faq{grid-template-columns:1fr;gap:20px;padding-block:55px}.home-faq h2{font-size:29px}.faq-list summary{font-size:12px;padding-block:20px}.home-final{padding:43px 18px 49px;margin-bottom:55px}.home-final h2{font-size:30px;letter-spacing:-1px}.home-final .section-kicker{font-size:7px}.home-footer{padding-top:30px}.footer-top{flex-wrap:wrap;gap:17px;margin-bottom:26px}.footer-top>p{border:0;padding:0;margin-left:auto;font-size:10px}.footer-top nav{margin:5px 0 0;width:100%;justify-content:space-between;gap:14px;font-size:10px}.footer-bottom{flex-direction:column;gap:8px;font-size:9px}.footer-top .qg-brand .qg-brand__name{font-size:20px}.footer-top .qg-brand__mark{width:32px;height:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.home-nav a[aria-current=page]{color:var(--qg-accent);font-weight:600}.squeeze-band-key{height:8px!important;background:#afc7dc}.confirmation-key{background:var(--qg-raised)}.preview-topline b{font-weight:600}.energy-technology{padding-top:90px;padding-bottom:75px}.tech-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.tech-grid article{border:1px solid var(--qg-line);border-radius:10px;padding:28px 24px;background:var(--qg-raised)}.tech-code{font:11px/1.5 system-ui,sans-serif;letter-spacing:1px;color:var(--qg-accent);display:block;min-height:32px}.tech-grid h3{font-size:18px;font-weight:500;margin:12px 0 14px;letter-spacing:-.4px}.tech-grid p{font-size:12px;line-height:1.9;color:var(--qg-muted);margin:0 0 20px}.tech-grid a{font-size:11px;color:var(--qg-accent)}.energy-history{padding-top:60px;padding-bottom:60px;border-bottom:1px solid var(--home-line)}.evidence-summary{text-align:center;color:var(--qg-muted);font-size:11px;margin:0 0 25px}.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.evidence-card{background:#fffefa;border:1px solid var(--qg-line);border-radius:10px;overflow:hidden;scroll-margin-top:108px}.evidence-card-heading{display:flex;align-items:center;justify-content:space-between;padding:22px 24px 9px;gap:8px}.evidence-card-heading>div>span{font:10px/1.5 system-ui,sans-serif;color:var(--qg-muted);letter-spacing:.6px}.evidence-card-heading h3{font-size:22px;font-weight:500;margin:7px 0}.evidence-badge{color:var(--qg-muted);background:var(--qg-raised);border:1px solid var(--qg-line);padding:3px 8px;border-radius:20px;font-size:9px;white-space:nowrap}.evidence-chart-link{display:block;overflow:hidden;background:var(--qg-raised);margin-top:10px}.evidence-chart-link img{width:100%;display:block;height:auto;transition:transform .3s}.evidence-chart-link:hover img{transform:scale(1.025)}.evidence-numbers{padding:18px 24px 5px;display:flex;align-items:end;gap:15px}.evidence-numbers>strong{font:500 40px/1.2 system-ui,sans-serif;letter-spacing:-1px;color:var(--qg-ink)}.evidence-numbers>strong>span{font-size:21px;margin-left:3px}.evidence-numbers>span{font-size:10px;color:var(--qg-muted);max-width:75px;line-height:1.7;padding-bottom:3px}.evidence-dates{font-size:10px;color:var(--qg-muted);margin:9px 24px 0}.evidence-change{font-size:10px;color:var(--qg-muted);margin:12px 24px 20px;padding-top:10px;border-top:1px solid var(--qg-line);display:flex;gap:8px;align-items:center}.evidence-change b{font-weight:500;color:var(--qg-muted)}.evidence-change span{margin-left:auto;font-size:9px;color:var(--qg-muted)}.evidence-method{max-width:1020px;margin:24px auto 0;font-size:10px;line-height:1.9;color:var(--qg-muted);text-align:center}.history-guide-link{display:block;text-align:center;font-size:12px;color:var(--qg-muted);margin:25px auto 0}.evidence-unavailable{font-size:12px;color:var(--qg-muted);grid-column:1/-1;text-align:center}
@media(max-width:1050px){.tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.evidence-card-heading,.evidence-numbers{padding-inline:17px}.evidence-dates,.evidence-change{margin-inline:17px}.evidence-numbers{gap:9px}.evidence-numbers>strong{font-size:33px}.evidence-numbers>span{font-size:9px}}
@media(max-width:760px){.energy-technology{padding-top:60px;padding-bottom:30px}.tech-grid{grid-template-columns:1fr;gap:13px}.tech-grid article{padding:23px 25px}.tech-code{min-height:0;font-size:10px}.tech-grid h3{font-size:19px}.tech-grid p{font-size:12px}.energy-history{padding-top:45px;padding-bottom:45px}.evidence-grid{grid-template-columns:1fr;gap:18px}.evidence-summary{font-size:10px;line-height:1.9}.evidence-card-heading{padding:20px 24px 8px}.evidence-numbers{padding:18px 24px 5px}.evidence-numbers>strong{font-size:43px}.evidence-numbers>span{font-size:10px;max-width:130px}.evidence-dates,.evidence-change{margin-inline:24px}.evidence-method{font-size:10px;text-align:left}.preview-topline b{font-size:12px}}
.energy-technology .tech-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.capability-planned{display:inline-block;font:normal 9px/1.5 "Microsoft YaHei",system-ui,sans-serif;color:var(--qg-muted);letter-spacing:0;border:1px solid var(--qg-line);padding:1px 7px;border-radius:20px;margin-left:6px;vertical-align:middle}.guide-section-heading .capability-planned{font-size:9px}
@media(max-width:1050px){.energy-technology .tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.energy-technology .tech-grid{grid-template-columns:1fr}}

/* Homepage only: cinematic black palette, white actions and blue atmosphere. */
.wechat-float { position: fixed; right: max(24px, env(safe-area-inset-right)); bottom: max(24px, env(safe-area-inset-bottom)); z-index: 35; width: 140px; padding: 10px 8px 8px; background: #fff; color: #131722; border: 1px solid #e4e7ed; border-radius: 10px; box-shadow: 0 8px 36px #0005; }
.wechat-float-close { position: absolute; top: -12px; right: -8px; display: grid; place-items: center; width: 32px; height: 32px; padding: 5px; border: 1px solid #4b505c; border-radius: 50%; background: #191c24; color: #fff; }
.wechat-float-close:hover { background: #363d4b; }
.wechat-float-close svg { display: block; width: 20px; height: 20px; }
.wechat-float-link { display: block; text-align: center; border-radius: 5px; }
.wechat-float-link strong { display: block; font-size: 12px; font-weight: 600; line-height: 1.6; }
.wechat-float-link img { display: block; width: 100%; height: auto; margin: 3px 0; }
.wechat-float-link>span { display: block; font-size: 9px; color: #657084; line-height: 1.6; }
@media (max-width: 760px) {
  .wechat-float { right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); width: 116px; padding: 8px 6px 7px; border-radius: 9px; }
  .wechat-float-link strong { font-size: 10px; }
  .wechat-float-link>span { font-size: 9px; }
}
body[data-home-theme="dark"] {
  color-scheme: dark;
  --home-bg: #000;
  --home-ink: #f7f8fa;
  --home-muted: #b4b7bf;
  --home-line: #25262b;
  --home-green: #91b9ff;
  --home-lime: #152038;
  --home-accent: #91b9ff;
  --home-surface: #101114;
  --home-secondary: #959ba7;
}
body[data-home-theme="dark"] .home-header { background: #080808e8; border-bottom-color: transparent; }
body[data-home-theme="dark"] .home-header-inner { width: calc(100% - 96px); max-width: 1760px; min-height: 88px; }
/* The public monochrome mark needs a light stroke on dark surfaces. */
html:not([data-theme="light"]) body[data-home-theme="dark"] :is(.home-header, .home-footer) .qg-brand__mark[src$="/qiguan-mark-mono.svg"] { filter: brightness(0) invert(1); }
html:not([data-theme="light"]) body[data-home-theme="dark"] :is(.home-header, .home-footer) .qg-brand .qg-brand__name { color: #fff; }
html:not([data-theme="light"]) body[data-home-theme="dark"] :is(.home-header, .home-footer) .qg-brand .qg-brand__name small { color: #b9c8dc; }
body[data-home-theme="dark"] .home-nav { font-size: 15px; gap: 36px; }
body[data-home-theme="dark"] .home-nav a { color: #e8e8eb; }
body[data-home-theme="dark"] :is(.home-nav a:hover, .home-nav a[aria-current="page"], .text-link:hover, .footer-top a:hover) { color: #fff; }
body[data-home-theme="dark"] :is(.home-nav a span, .hero-access, .preview-category, .preview-topline strong span, .preview-legend, .preview-legend small, .home-facts strong span, .home-facts>div>span, .section-kicker, .feature-number, .feature-card p, .position-art small, .position-art p, .workflow-heading>p:not(.section-kicker), .workflow-steps li>span, .workflow-steps p, .principle-grid p, .faq-list p, .footer-top>p, .footer-bottom, .evidence-summary, .evidence-card-heading>div>span, .evidence-numbers>span, .evidence-dates, .evidence-change, .evidence-change span, .evidence-method, .evidence-unavailable, .tech-grid p) { color: var(--home-secondary); }
body[data-home-theme="dark"] .home-hero {
  position: relative; isolation: isolate; width: 100%; overflow: hidden;
  min-height: max(720px, calc(100svh - 88px)); padding: 64px 0 200px;
  display: flex; flex-direction: column; align-items: center;
  background: #000;
}
body[data-home-theme="dark"] .hero-world {
  position: absolute; z-index: -2; inset: 0; pointer-events: none;
  background: #000 url('/brand/market-earth-hero.3813bad66e21.webp') center 62% / cover no-repeat;
}
body[data-home-theme="dark"] .hero-world::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(#000 0%, #000b 13%, #0003 38%, transparent 58%, #0003 85%, #000 100%);
}
body[data-home-theme="dark"] .hero-content { position: relative; z-index: 1; max-width: 1500px; }
body[data-home-theme="dark"] .home-kicker { color: #9fa6b5; font-size: 10px; letter-spacing: 2.3px; margin: 0 0 22px; }
body[data-home-theme="dark"] .status-dot { background: #8ab7ff; box-shadow: 0 0 12px #659dff77; }
body[data-home-theme="dark"] .home-hero h1 { font-size: clamp(44px, 5.2vw, 88px); font-weight: 700; line-height: 1.25; letter-spacing: -2.5px; margin: 0 0 25px; color: #fff; }
body[data-home-theme="dark"] :is(.hero-emphasis, .hero-period) { color: #fff; }
body[data-home-theme="dark"] .hero-emphasis::after { display: none; }
body[data-home-theme="dark"] .hero-description { color: #c6c7cc; font-size: clamp(15px, 1.3vw, 21px); line-height: 1.85; }
body[data-home-theme="dark"] .home-actions { position: relative; margin-top: 38px; gap: 22px; }
body[data-home-theme="dark"] .home-button.primary { background: #fff; border-color: #fff; color: #111; }
body[data-home-theme="dark"] .home-button.primary span { color: #111; }
body[data-home-theme="dark"] .home-button.primary:hover { background: #dedfe4; border-color: #dedfe4; }
body[data-home-theme="dark"] .home-hero .home-button.primary { padding: 18px 36px; min-width: 238px; font-size: 18px; font-weight: 650; border-radius: 15px; }
body[data-home-theme="dark"] .home-button.quiet { color: #dddfe6; border-color: #ffffff40; background: #0005; }
body[data-home-theme="dark"] .home-button.quiet:hover { background: #ffffff1a; border-color: #ffffff80; }
body[data-home-theme="dark"] .home-hero .home-button.quiet { position: absolute; left: calc(50% + 144px); border: 0; background: transparent; padding-inline: 6px; font-size: 14px; white-space: nowrap; }
body[data-home-theme="dark"] .hero-access { display: inline-block; color: #c1c5ce; font-size: 11px; margin-top: 18px; padding: 3px 10px; border-radius: 20px; background: #0006; text-shadow: 0 1px 5px #000; }
body[data-home-theme="dark"] .hero-scroll { position: absolute; bottom: 30px; left: calc(50% - 22px); width: 44px; height: 44px; display: grid; place-items: center; color: #fff; }
body[data-home-theme="dark"] .hero-scroll svg { width: 30px; height: 30px; transition: transform .2s; }
body[data-home-theme="dark"] .hero-scroll:hover svg { transform: translateY(4px); }
body[data-home-theme="dark"] .home-preview { padding-top: 68px; scroll-margin-top: 90px; }
body[data-home-theme="dark"] .hero-showcase { margin-top: 0; background: #111319; padding: 16px; border: 1px solid #282b35; border-radius: 18px; }
body[data-home-theme="dark"] .hero-showcase::before { display: none; }
body[data-home-theme="dark"] .product-window { background: #fff; color: #131722; border-color: #2c303b; border-radius: 9px; box-shadow: 0 20px 80px #0006; }
body[data-home-theme="dark"] .product-window-bar { background: #191c24; color: #c1c8d5; }
body[data-home-theme="dark"] .product-window-bar a { color: #b8cbff; }
body[data-home-theme="dark"] .window-dots i { background: #555e70; }
body[data-home-theme="dark"] .window-dots i:first-child { background: #98a3b7; }
body[data-home-theme="dark"] :is(.preview-tag, .capability-planned) { color: #a6adba; border-color: #373b46; background: #1a1c23; }
body[data-home-theme="dark"] .preview-tag { background: #f7f8fa; border-color: #e2e5eb; color: #687386; }
body[data-home-theme="dark"] :is(.showcase-note, .note-icon, .text-link span, .tech-code, .tech-grid a, .history-guide-link, .principle-grid article>span, .faq-list summary::after) { color: var(--home-accent); }
body[data-home-theme="dark"] .showcase-note svg { stroke: var(--home-accent); }
body[data-home-theme="dark"] :is(.feature-card, .evidence-card, .tech-grid article) { background: var(--home-surface); border-color: var(--home-line); }
body[data-home-theme="dark"] .tech-grid article { transition: background .2s, border-color .2s; }
body[data-home-theme="dark"] .tech-grid article:hover { background: #17191f; border-color: #3d4555; }
body[data-home-theme="dark"] .radar-art { background: #121c2c; border-top-color: #27364e; }
body[data-home-theme="dark"] :is(.radar-art-top, .radar-art-top>span:last-child, .radar-stage) { color: #9caac1; }
body[data-home-theme="dark"] .radar-stage span { border-color: #36455e; background: #172235; }
body[data-home-theme="dark"] .radar-stage .selected { color: #c0d4ff; background: #243b61; border-color: #435f8c; }
body[data-home-theme="dark"] .position-art { background: #16181e; border-color: var(--home-line); }
body[data-home-theme="dark"] .position-art>div { border-bottom-color: var(--home-line); }
body[data-home-theme="dark"] .feature-fundamentals { background: #12151b; }
body[data-home-theme="dark"] .fundamental-orbit { border-color: #343d50; }
body[data-home-theme="dark"] :is(.fundamental-center, .metric) { background: #1b202c; border-color: #343d50; color: #b4c0d8; }
body[data-home-theme="dark"] .fundamental-center strong { color: #d9e5ff; }
body[data-home-theme="dark"] .evidence-badge { color: #b0ccff; background: #1c2a44; border-color: #314463; }
body[data-home-theme="dark"] .evidence-chart-link { background: #111; }
body[data-home-theme="dark"] .evidence-numbers>strong { color: #fff; }
body[data-home-theme="dark"] .evidence-change { border-top-color: var(--home-line); }
body[data-home-theme="dark"] .evidence-change b { color: #c3cada; }
body[data-home-theme="dark"] :is(.workflow-section, .home-footer) { background: #0b0c0f; }
body[data-home-theme="dark"] .workflow-steps li { border-bottom-color: var(--home-line); }
body[data-home-theme="dark"] .home-final { background: radial-gradient(ellipse at 50% 120%, #172d51, #101217 65%); color: #fff; border: 1px solid #282e3a; }
body[data-home-theme="dark"] .home-final::after { border-color: #ffffff12; }
body[data-home-theme="dark"] .home-final .section-kicker { color: #9daac2; }
body[data-home-theme="dark"] .final-secondary { color: #aeb9cc; }
body[data-home-theme="dark"] .footer-top>p { border-left-color: var(--home-line); }
body[data-home-theme="dark"] .seat-user-btn { background: #fff; border-color: #fff; color: #111; }
body[data-home-theme="dark"] .seat-user-btn:hover { background: #e6e6eb; }
body[data-home-theme="dark"] .seat-user-plan { background: #e9e9ed; color: #555d6b; }
body[data-home-theme="dark"] .seat-user-plan.is-vip { background: #dce7ff; color: #284e90; }
body[data-home-theme="dark"] .skip-link { background: #fff; color: #111; }
@media (min-width: 1600px) {
  body[data-home-theme="dark"] .home-hero { padding-top: 72px; }
}
@media (max-width: 1050px) {
  body[data-home-theme="dark"] .home-header-inner { width: calc(100% - 64px); }
  body[data-home-theme="dark"] .home-nav { gap: 22px; font-size: 13px; }
  body[data-home-theme="dark"] .home-hero h1 { font-size: 52px; }
}
@media (max-width: 760px) {
  body[data-home-theme="dark"] .home-header-inner { width: calc(100% - 40px); min-height: 72px; }
  body[data-home-theme="dark"] .home-nav { background: #101114; }
  body[data-home-theme="dark"] .home-hero { min-height: max(680px, calc(100svh - 72px)); padding: 54px 0 190px; }
  body[data-home-theme="dark"] .home-kicker { font-size: 8px; letter-spacing: 1px; gap: 7px; margin-bottom: 25px; }
  body[data-home-theme="dark"] .home-hero h1 { font-size: clamp(34px, 8vw, 54px); letter-spacing: -1.5px; line-height: 1.4; margin-bottom: 21px; }
  body[data-home-theme="dark"] .hero-description { font-size: 12px; line-height: 2; }
  body[data-home-theme="dark"] .home-actions { flex-direction: column; gap: 9px; margin-top: 28px; }
  body[data-home-theme="dark"] .home-hero .home-button.primary { min-width: 218px; padding: 15px 28px; font-size: 16px; border-radius: 12px; }
  body[data-home-theme="dark"] .home-hero .home-button.quiet { position: static; font-size: 12px; padding: 7px 12px; }
  body[data-home-theme="dark"] .hero-access { font-size: 9px; margin-top: 12px; }
  body[data-home-theme="dark"] .hero-world { background-position: center bottom; background-size: auto 80%; }
  body[data-home-theme="dark"] .home-preview { padding-top: 30px; }
  body[data-home-theme="dark"] .hero-showcase { width: 100%; margin-left: 0; padding: 8px; border-radius: 12px; }
}