/* Presentation shell: preserve calculations, input geometry and native controls. */
:root{--bg:#10263d;--panel:#f7fafc;--panel2:#edf3f8;--line:#c4d1dd;--text:#29435a;--muted:#576d80;--accent:#365c82;--accent2:#dce8f3}
html,body{background:#10263d;background-attachment:scroll}
.app-brand{--rail-title-size:20px;--rail-icon-size:56px;--rail-avatar-size:28px;--rail-name-size:11px;--rail-social-size:32px;min-height:0;padding:14px 16px;border-radius:15px;box-shadow:none;background:#1a354e;border-color:#59778f}
.app-brand::before,.app-brand::after{content:none}
.app-brand .brand-row{display:grid;grid-template-columns:minmax(0,1fr) max-content;align-items:center;min-height:0;gap:14px}
.app-brand .brand-title-block{display:grid;grid-template-columns:var(--rail-icon-size) minmax(0,1fr);align-content:center;column-gap:10px;min-width:0}
.app-brand .ll-tool-portrait{grid-column:1;grid-row:1/3;display:block;width:var(--rail-icon-size);height:var(--rail-icon-size);border-radius:11px;border:1px solid #ffffff30;object-fit:cover}
.app-brand .brand-title-block h1{grid-column:2;grid-row:1;align-self:end;font-size:var(--rail-title-size);line-height:1.4;color:#f0f4f7;letter-spacing:0;white-space:nowrap}
.app-brand .brand-title-block .badge{font-size:10px;padding:2px 5px;margin-left:3px}
.app-brand .brand-title-block .subtitle{grid-column:2;grid-row:2;font-size:10px;line-height:1.5;color:#d1dce6;max-width:none;margin-top:4px}
.app-brand .brand-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:nowrap;max-width:none;width:max-content;gap:6px}
.app-brand .brand-creator{display:flex;justify-content:flex-start;flex-wrap:nowrap;flex:none;width:max-content;min-width:0;max-width:none;gap:6px;padding:5px 7px;border-radius:8px;border-color:#71879b;background:#ffffff08;box-shadow:none}
.app-brand .brand-creator-avatar{display:block;width:var(--rail-avatar-size);height:var(--rail-avatar-size)}
.app-brand .brand-creator-name{font-size:var(--rail-name-size);flex:none}
.creator-name-short,.entry-short{display:none}
.app-brand .brand-creator-platforms{display:flex;flex-wrap:nowrap;gap:4px}
.app-brand .brand-creator-platform{width:var(--rail-social-size);height:40px;flex:none}
.app-brand .brand-actions .layout-toggle,.app-brand .brand-actions .usage-guide-btn{min-height:44px;white-space:nowrap;font-size:10px;padding:0 7px;box-shadow:none}
.app-brand .brand-actions .usage-guide-icon{width:24px;height:24px;font-size:14px}
.app-brand .brand-actions .usage-guide-label{font-size:10px}
.result-card{border-color:#b8cbdc;background:#f7fafc;box-shadow:0 3px 12px #1b314710}
.section{border-color:#c4d1dd;box-shadow:none}
.ll-rail-legal{max-width:1160px;margin:0 auto;padding:12px 12px 84px;text-align:center;color:#cad8e4;font:11px system-ui,"Microsoft YaHei",sans-serif}
.ll-rail-legal a{display:inline-flex;align-items:center;gap:6px;min-height:36px;color:inherit;text-decoration:none}
.ll-rail-legal img{width:14px;height:14px}
.ll-rail-legal a:focus-visible{outline:3px solid #dec38b;outline-offset:3px}
/* Six footer entries in one row; expanded panels start at row left. */
.rail-footer-row{--ll-gap:8px;--ll-span:calc(600% + 40px);grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--ll-gap)}
.rail-footer-row>.update-history{grid-column:3;grid-row:1;overflow:visible;margin:0!important;border:0;background:transparent;border-radius:0}
.rail-footer-row>.update-history>summary{box-sizing:border-box;display:flex;justify-content:center;align-items:center;gap:5px;min-height:44px;padding:8px;border:1px solid #c0d0df;border-radius:8px;background:#f7fafc;font-size:12px;line-height:1.5;color:#2b4155}
.rail-footer-row>.update-history>summary::after{float:none}
.rail-footer-row>.update-history>.update-history-body{box-sizing:border-box;width:var(--ll-span);margin-top:10px;margin-left:calc(-200% - 16px);padding:4px 13px 12px;border:1px solid #c0d0df;border-radius:10px;background:#f7fafc}
.rail-footer-row>.ll-support{grid-column:4;grid-row:1}.rail-footer-row>.ll-support>.ll-support-panel{margin-left:calc(-300% - 24px)}
.rail-footer-link{display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px;border:1px solid #c0d0df;border-radius:8px;background:#f7fafc;color:#2b4155;font-size:12px;line-height:1.5;font-weight:700;text-decoration:none}
.rail-footer-link:focus-visible{outline:3px solid #365c82;outline-offset:3px}
.rail-footer-link:hover{border-color:#52677b}
.app.layout-single .app-brand{--rail-title-size:16px;--rail-icon-size:40px;--rail-avatar-size:24px;--rail-name-size:10px;--rail-social-size:26px}
.app.layout-single .app-brand .brand-actions .usage-guide-icon{display:none}
@media(min-width:741px) and (max-width:1000px){.app-brand{--rail-title-size:16px;--rail-icon-size:40px;--rail-avatar-size:24px;--rail-name-size:10px;--rail-social-size:26px}.app-brand .brand-actions .usage-guide-icon{display:none}}
@media(max-width:740px){.app-brand{--rail-title-size:17px;--rail-icon-size:44px;--rail-avatar-size:24px;--rail-name-size:10px;--rail-social-size:30px;margin:0 0 10px;padding:10px;border-radius:12px}.app-brand .brand-row{grid-template-columns:1fr;gap:8px}.app-brand .brand-title-block h1{white-space:normal}.app-brand .brand-title-block .subtitle{font-size:10px;line-height:1.5;white-space:normal;margin-top:3px}.app-brand .brand-actions{justify-content:space-between;width:100%;margin-top:0;gap:5px}.app-brand .brand-creator{display:flex;flex-wrap:nowrap;gap:5px;padding:3px 5px}.app-brand .creator-name-full{display:none}.app-brand .creator-name-short{display:inline}.app-brand .brand-creator-platforms{gap:3px}.app-brand .brand-actions .usage-guide-btn{width:auto;padding:0 7px}.app-brand .brand-actions .usage-guide-icon{display:none}.rail-footer-row{--ll-gap:6px;--ll-span:calc(400% + 18px)}.rail-footer-row .entry-full{display:none}.rail-footer-row .entry-short{display:inline}.rail-footer-row>.update-history>summary,.rail-footer-row .ll-support>summary,.rail-footer-link{font-size:10px;padding:8px 4px;gap:4px}.rail-footer-row .ll-support>summary::after{display:none}.rail-footer-row .ll-support>summary svg{width:14px;height:14px}}
@media(forced-colors:active){.app-brand .ll-tool-portrait,.rail-footer-link{border-color:CanvasText}}
/* Reference 1: compact portrait/name/icon row, with a plain cream rules pill. */
.app-brand .brand-creator-content{display:contents}
.app-brand .brand-creator-follow{color:#f4f7fa;text-decoration:none;font-size:10px;font-weight:750;line-height:1.3;white-space:nowrap}
.app-brand .brand-creator-follow:focus-visible{outline:2px solid #d1dce6;outline-offset:3px}
.app-brand .brand-creator-platform>span{display:none}
@media(min-width:741px){
.app-brand .brand-creator{width:max-content;align-items:center;gap:8px;padding:5px 9px 5px 5px;border-radius:16px;border-color:#738394;background:#ffffff08}
.app-brand .brand-creator-avatar{width:36px;height:36px;aspect-ratio:1;object-fit:cover}
.app-brand .brand-creator-follow{font-size:12px;line-height:1.3}
.app-brand .brand-creator-platforms{gap:6px}
.app-brand .brand-creator-platform{width:32px;height:32px;padding:0;border-radius:50%;flex:none;background:#142538;border-color:#697c8f}
.app-brand .brand-creator .platform-icon{width:17px;height:17px}
.app-brand .brand-actions .usage-guide-btn{height:44px;min-height:44px;padding:0 13px;border:1px solid #cdb780;border-radius:13px;background:#f7f0dc;color:#715b2b;box-shadow:none}
.app-brand .brand-actions .usage-guide-icon{display:none}
.app-brand .brand-actions .usage-guide-label{font-size:12px;font-weight:800}
.app-brand .brand-actions .usage-guide-btn:hover{background:#f1e7cb;border-color:#b79d61}
.app-brand .brand-actions .usage-guide-btn:focus-visible{outline:3px solid #ebd6a2;outline-offset:3px}
.app.layout-single .app-brand .brand-creator{gap:6px;padding:4px 7px 4px 4px}
.app.layout-single .app-brand .brand-creator-avatar{width:30px;height:30px}
.app.layout-single .app-brand .brand-creator-follow{font-size:11px}
.app.layout-single .app-brand .brand-creator-platform{width:28px;height:28px}
}
@media(min-width:741px) and (max-width:1000px){.app-brand .brand-creator{gap:6px;padding:4px 7px 4px 4px}.app-brand .brand-creator-avatar{width:30px;height:30px}.app-brand .brand-creator-follow{font-size:11px}.app-brand .brand-creator-platform{width:28px;height:28px}.app-brand .brand-actions .usage-guide-btn{padding:0 10px}}

@media(max-width:740px){
.rail-footer-row{grid-template-columns:repeat(4,minmax(0,1fr))}
.rail-footer-row .qq-entry .qq-join{grid-column:1/3;grid-row:1}.rail-footer-row .qq-entry button{grid-column:3/5;grid-row:1}
.rail-footer-row>.update-history{grid-column:1;grid-row:2}.rail-footer-row>.update-history>.update-history-body{margin-left:0}
.rail-footer-row>.ll-support{grid-column:2;grid-row:2}.rail-footer-row>.ll-support>.ll-support-panel{margin-left:calc(-100% - 6px)}
.rail-footer-row .qq-entry [data-qq-status]{grid-row:3}
}
.ll-rail-legal{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 16px}
.ll-rail-legal .footer-icp{display:inline-flex;align-items:center;margin:0;padding:0;color:inherit;font:inherit}
@media(min-width:741px){.app>.footer-note{margin-top:8px}.ll-rail-legal{flex-wrap:nowrap;padding-top:4px;padding-bottom:0}}