:root{--bg:#0C100E;--deep:#080A09;--card:#141A16;--card2:#1A2420;--title:#E8F6EE;--text:#CDE3D6;--muted:#8FB3A0;--assist:#6E8F7E;--green:#2A9D5C;--green2:#3CB371;--green3:#146B3A;--sand:#EFE6D2;--line:rgba(42,157,92,.18);--line2:rgba(42,157,92,.45);--shadow:0 12px 28px rgba(8,10,9,.35);--radius:10px;--max:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:200;background:var(--green2);color:#08110C;padding:8px 14px;border-radius:8px}.skip-link:focus{top:8px}.site-head{position:fixed;inset:0 0 auto;z-index:90}.top-strip{height:20px;background:#060807;color:var(--green2);font-size:12px}.top-inner,.brand-inner,.quick-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.text-button,.menu-button,.close-button{border:0;background:none;color:inherit;cursor:pointer}.text-button{color:var(--green2);padding:0 8px;height:20px}.brand-row{height:54px;background:rgba(8,10,9,.98);border-bottom:1px solid var(--line2)}.brand-home{display:flex;align-items:center;min-height:44px;gap:8px;font-size:16px;font-weight:700}.logo-slot,.footer-logo-slot,.panel-logo{display:inline-flex;align-items:center;min-width:1px}.site-logo{display:block;height:24px;max-width:170px;object-fit:contain;object-position:center}.logo-slot:has(img)+.brand-fallback{display:none}.brand-fallback{color:var(--title)}.head-actions{display:flex;align-items:center;gap:8px}.head-app,.menu-button,.btn,.link-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:0 15px;font-size:14px}.head-app{color:#08110C;background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);font-weight:700}.menu-button{border:1px solid var(--line2);color:var(--text);background:#0B100D}.quick-nav{height:44px;background:rgba(8,10,9,.98);border-bottom:1px solid var(--line)}.quick-inner{justify-content:flex-start;gap:12px}.quick-inner a{width:88px;height:22px;border:1px solid var(--line2);border-radius:999px;display:inline-flex;align-items:center;justify-content:center;color:var(--text);font-size:13px}.quick-inner a.active{background:var(--green);color:#08110C;border-color:var(--green);font-weight:700}.site-main{padding-top:134px;padding-bottom:30px}.page-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.hero-simple{padding:38px 0 24px;border-bottom:1px solid var(--line)}.eyebrow{color:var(--green2);font-size:13px;letter-spacing:.08em}.hero-simple h1,.home-intro h1{font-size:24px;line-height:1.3;margin:10px 0 12px;color:var(--title)}h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.4;color:var(--sand);margin:0 0 8px}p{margin:0 0 14px}.muted{color:var(--muted)}.mt14{margin-top:14px}.assist{color:var(--assist)}.section{padding:28px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;font-weight:750;border:1px solid transparent}.btn.secondary{background:#0B100D;color:var(--text);border-color:var(--line2)}a:hover,.btn:hover,.head-app:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible{outline:2px solid var(--sand);outline-offset:3px}.image-slot{width:100%;background:var(--deep);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-176{height:176px}.slot-168{height:168px}.slot-160{height:160px}.slot-200{height:200px}.slot-app{width:240px;height:320px}.home-intro{padding:34px 0 28px}.mini-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.mini-index a{border:1px solid var(--line2);border-radius:999px;padding:5px 12px;font-size:13px}.lead{font-size:17px;color:var(--sand);margin-bottom:10px}.home-cut{padding:26px 0}.home-cut .cut-copy{padding:18px 0 0;max-width:720px}.narrow-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.narrow-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.narrow-item.with-image{padding:0;overflow:hidden}.narrow-item.with-image .narrow-copy{padding:18px}.page-pair{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}.page-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.line-list{display:grid;gap:10px}.line-list article{display:grid;grid-template-columns:120px 1fr;gap:16px;background:var(--card);border-left:3px solid var(--green);padding:16px;border-radius:0 var(--radius) var(--radius) 0}.lesson-list{display:grid;gap:12px}.lesson-list article{background:linear-gradient(90deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:16px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr auto;gap:12px;align-items:center;padding:14px 16px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius)}.status-tag{border:1px solid var(--line2);border-radius:999px;padding:2px 8px;color:var(--green2);font-size:12px}.index-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.index-links a{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:block}.index-links strong{display:block;color:var(--sand);margin-bottom:4px}.float-feature{display:block;min-height:320px}.float-feature .slot-app{float:right;margin:0 0 18px 24px}.float-feature::after{content:"";display:block;clear:both}.app-icon{width:48px;height:48px;object-fit:contain;margin-bottom:12px}.faq-home{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.faq-home article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.domain-index{display:grid;grid-template-columns:200px 1fr;gap:24px}.domain-tabs{align-self:start;position:sticky;top:148px;display:grid;gap:8px}.domain-tabs a{padding:11px 13px;border-left:2px solid var(--line2);background:var(--deep)}.domain-content section{margin-bottom:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.split-thin{display:grid;grid-template-columns:1fr 1fr;gap:16px}.split-thin .column{display:grid;gap:16px}.scene-pages{display:grid;gap:18px}.scene-page{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.7fr);gap:18px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.scene-page.reverse{grid-template-columns:minmax(240px,.7fr) minmax(0,1fr)}.scene-page.reverse .scene-copy{order:2}.scene-page.reverse .image-slot{order:1}.frame-list{counter-reset:frame;display:grid;gap:10px}.frame-list article{counter-increment:frame;display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;background:var(--card);padding:16px;border-radius:var(--radius);border:1px solid var(--line)}.frame-list article::before{content:counter(frame,decimal-leading-zero);color:var(--green2);font-weight:800;font-size:20px}.article-list{display:grid;gap:14px}.article-list article{padding:18px;border-top:1px solid var(--line);background:linear-gradient(180deg,var(--card),transparent)}.policy{display:grid;gap:18px}.policy section{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.qa-list{display:grid;gap:12px}.qa-list details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.qa-list summary{cursor:pointer;color:var(--sand);font-weight:700}.qa-list p{margin:12px 0 0}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-grid article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.site-footer{background:#050706;border-top:1px solid var(--line2);color:var(--text);font-size:13px;padding:26px 0 74px}.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:20px}.footer-brand strong{font-size:16px}.footer-brand span:last-child{color:var(--muted)}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-grid h2{font-size:14px;margin-bottom:8px;color:var(--green2)}.footer-grid a{display:block;padding:3px 0;color:var(--text)}.footer-note{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted)}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:110;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.side-panel{position:fixed;z-index:120;right:16px;top:72px;width:min(32vw,420px);height:min(76vh,720px);background:var(--deep);border:1px solid var(--line2);border-radius:12px;box-shadow:var(--shadow);transform:translateX(calc(100% + 40px));visibility:hidden;pointer-events:none;transition:.24s;overflow:hidden}.side-panel.open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head,.search-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}.panel-brand{display:flex;gap:9px;align-items:center}.panel-brand span:last-child{display:grid}.panel-brand small{color:var(--muted)}.close-button{min-width:44px;min-height:44px;color:var(--text);border:1px solid var(--line2);border-radius:8px;background:var(--card)}.panel-scroll{height:calc(100% - 73px);overflow:auto;padding:14px}.panel-group{margin-bottom:16px}.panel-group h2{font-size:13px;color:var(--green2);margin:0 0 8px}.panel-group a{display:grid;grid-template-columns:92px 1fr;gap:8px;padding:9px 0;border-bottom:1px solid var(--line)}.panel-group span{color:var(--muted);font-size:12px}.search-layer{position:fixed;z-index:121;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(calc(100% - 32px),720px);margin:0 auto;background:var(--deep);border:1px solid var(--line2);border-radius:12px;box-shadow:var(--shadow);padding-bottom:18px}.search-card>p{padding:14px 16px 0;color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:10px;padding:0 16px}.search-presets a{border:1px solid var(--line2);border-radius:999px;padding:7px 14px}.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:89;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#050706;border-top:1px solid var(--line2);grid-template-columns:repeat(4,1fr)}.mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bar a.active{background:var(--green);color:#08110C;font-weight:750}
@media(max-width:760px){.wrap,.page-shell{width:calc(100% - 32px)}.quick-nav{display:none}.site-main{padding-top:74px;padding-bottom:62px}.mobile-bar{display:grid}.side-panel{right:8px;top:64px;width:88vw;height:76vh}.search-layer{top:0;bottom:0;background:var(--deep)}.search-card{width:100%;height:100%;border:0;border-radius:0;padding-top:env(safe-area-inset-top)}.narrow-pair,.page-pair,.split-thin,.scene-page,.scene-page.reverse,.domain-index,.footer-grid,.contact-grid,.faq-home{grid-template-columns:1fr}.domain-tabs{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.scene-page.reverse .scene-copy,.scene-page.reverse .image-slot{order:initial}.float-feature .slot-app{float:none;margin:0 auto 18px}.slot-app{max-width:100%;height:320px}.line-list article{grid-template-columns:1fr;gap:6px}.status-row{grid-template-columns:1fr}.footer-grid{gap:16px}.site-footer{padding-bottom:78px}.head-actions{gap:6px}.head-app,.menu-button{padding:0 11px}.brand-home{max-width:38%}.panel-group a{grid-template-columns:88px 1fr}}
@media(max-width:420px){.top-inner span{font-size:11px}.brand-home{max-width:32%}.head-app,.menu-button{padding:0 9px;font-size:13px}.mini-index{gap:7px}.index-links{grid-template-columns:1fr}.panel-group a{grid-template-columns:1fr}.panel-group span{font-size:12px}.hero-simple{padding-top:28px}}