:root{color-scheme:dark;--bg:#0C100E;--deep:#080A09;--card:#141A16;--card2:#1A2420;--title:#E8F6EE;--text:#CDE3D6;--muted:#8FB3A0;--aux:#6E8F7E;--green:#2A9D5C;--bright:#3CB371;--darkgreen:#146B3A;--sand:#EFE6D2;--border:rgba(42,157,92,.18);--border2:rgba(42,157,92,.45);--shadow:0 12px 28px rgba(8,10,9,.35);--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:200;background:var(--sand);color:#08110C;padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}
.top-line{height:22px;position:fixed;inset:0 0 auto;z-index:90;background:var(--deep);border-bottom:1px solid var(--border);color:var(--bright);font-size:12px}.top-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.plain-button{border:0;background:transparent;padding:0 8px;cursor:pointer}.top-search{height:22px;min-width:44px;color:var(--bright);position:relative}.top-search:after{content:"";position:absolute;left:0;right:0;top:-11px;bottom:-11px}
.main-bar{height:60px;position:fixed;top:22px;inset-inline:0;z-index:89;background:#090D0B;border-bottom:1px solid var(--border2)}.main-bar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo,.footer-logo,.drawer-logo{height:28px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-link .brand-logo+.brand-fallback{display:none}.brand-fallback{font-weight:700;color:var(--title);font-size:16px}.drawer-trigger{justify-self:center;height:44px;min-width:88px;border:1px solid var(--border2);border-radius:10px;background:var(--card);color:var(--title);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.app-link{justify-self:end;min-height:44px;padding:0 14px;display:flex;align-items:center;border-radius:10px;background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;font-weight:800;font-size:14px}
.layer-tabs{height:40px;position:fixed;top:82px;inset-inline:0;z-index:88;background:#0D2418;border-bottom:1px solid var(--border2)}.layer-tabs-inner{height:40px;display:flex;justify-content:center;align-items:stretch;gap:8px}.layer-tabs a{height:40px;min-width:100px;display:flex;align-items:center;justify-content:center;padding:0 18px;color:var(--text);font-size:13px}.layer-tabs a.active{background:var(--green);color:#08110C;font-weight:800}
.site-main{padding-top:122px;min-height:70vh}.page-head{padding:46px 0 24px;border-bottom:1px solid var(--border)}.eyebrow{font-size:12px;color:var(--bright);letter-spacing:.08em;text-transform:uppercase}.page-head h1,.hero-copy h1{margin:6px 0 10px;font-size:24px;line-height:1.3;color:var(--title)}.page-head p,.hero-copy p{max-width:780px;margin:0;color:var(--text)}h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 14px}h3{font-size:16px;color:var(--sand);margin:0 0 8px}p{margin:0 0 12px}.section{padding:34px 0}.section+.section{border-top:1px solid var(--border)}.section-intro{max-width:850px;color:var(--muted);margin-bottom:18px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.card-kicker{font-size:12px;color:var(--bright);margin-bottom:5px}.soft-card{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:16px}.note{border-left:3px solid var(--green);background:rgba(42,157,92,.08);padding:14px 16px;border-radius:0 10px 10px 0;color:var(--text)}.meta-line{font-size:13px;color:var(--muted)}.text-link{display:inline-flex;min-height:44px;align-items:center;color:var(--sand);text-decoration:underline;text-decoration-color:var(--green);text-underline-offset:4px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C}.btn-secondary{background:var(--deep);border:1px solid var(--border2);color:var(--text)}a:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--sand);outline-offset:2px}
.hero{padding:30px 0 34px}.hero-media{height:260px;width:100%;background:var(--deep);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.content-image{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.hero-copy{padding:22px 0 0}.mini-media{height:180px;background:var(--deep);border-radius:10px;overflow:hidden;margin:-2px -2px 14px}.week-media{height:200px;background:var(--deep);border-radius:12px;overflow:hidden;margin-bottom:16px}.app-media{height:340px;background:var(--deep);border-radius:14px;overflow:hidden}.icon-wrap{width:48px;height:48px;background:var(--deep);border:1px solid var(--border2);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}.icon-wrap img{width:48px;height:48px;object-fit:contain}.number-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}.number-list span{background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:12px;color:var(--text)}.number-list strong{display:block;color:var(--bright);font-size:12px}.lesson-list,.link-list{display:grid;gap:10px}.lesson-list div,.link-list a{background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:14px}.lesson-list strong,.link-list strong{color:var(--sand)}.timeline{position:relative;margin-left:10px;padding-left:26px}.timeline:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:1px;background:var(--border2)}.timeline-item{position:relative;padding:0 0 22px}.timeline-item:before{content:"";position:absolute;left:-28px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--bg)}.status{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--green);color:#08110C;font-size:12px;font-weight:800}.status.pending{background:var(--sand)}.status.working{background:var(--bright)}.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:8px}.definition{display:grid;grid-template-columns:180px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.definition:last-child{border-bottom:0}.definition dt{color:var(--sand);font-weight:800}.definition dd{margin:0;color:var(--text)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{padding:5px 9px;border-radius:999px;background:var(--card2);border:1px solid var(--border);font-size:12px;color:var(--muted)}
.site-footer{background:#050706;border-top:1px solid var(--border2);color:var(--text);padding:32px 0 calc(28px + env(safe-area-inset-bottom))}.footer-brand-row{display:flex;align-items:center;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--border)}.footer-brand-row div{display:flex;flex-direction:column}.footer-brand-row strong{color:var(--title)}.footer-brand-row span{color:var(--muted);font-size:12px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:24px 0}.footer-grid section{display:grid;align-content:start;gap:7px}.footer-grid h2{font-size:13px;margin:0 0 4px;color:var(--bright)}.footer-grid a{font-size:13px;color:var(--text)}.footer-note{border-top:1px solid var(--border);padding-top:18px;font-size:13px;color:var(--muted)}
.drawer-panel{position:fixed;z-index:120;left:0;top:0;bottom:0;width:min(400px,86vw);background:#090D0B;border-right:1px solid var(--border2);transform:translateX(-104%);visibility:hidden;pointer-events:none;transition:.24s ease;overflow-y:auto}.drawer-panel.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;background:#090D0B;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:16px}.drawer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--title)}.panel-close{min-height:44px;min-width:64px;border:1px solid var(--border2);border-radius:10px;background:var(--deep);color:var(--text);cursor:pointer}.drawer-body{padding:10px 16px 28px}.drawer-body section{padding:12px 0}.drawer-body h2{font-size:12px;color:var(--bright);margin-bottom:8px}.drawer-body a{display:grid;gap:2px;padding:10px 8px;border-radius:10px}.drawer-body a:hover{background:var(--card)}.drawer-body strong{font-size:14px;color:var(--title)}.drawer-body span{font-size:12px;color:var(--muted)}.overlay{position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.58);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.panel-open{overflow:hidden}
.search-panel{position:fixed;z-index:121;top:82px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-12px);transition:.2s}.search-panel.open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.search-card{background:#090D0B;border:1px solid var(--border2);border-radius:0 0 14px 14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-head div{display:flex;flex-direction:column}.search-head strong{color:var(--title)}.search-head span{font-size:12px;color:var(--muted)}.search-label{display:block;margin:16px 0 6px;color:var(--muted);font-size:13px}.search-input{width:100%;height:44px;border:1px solid var(--border2);border-radius:10px;background:var(--deep);color:var(--text);padding:0 12px}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.search-links a{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px;display:flex;flex-direction:column}.search-links a span{font-size:12px;color:var(--muted)}.search-empty{color:var(--muted)}
.mobile-bottom{display:none}
@media(max-width:760px){.shell{width:calc(100% - 32px)}.layer-tabs{display:none}.site-main{padding-top:82px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}.main-bar-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}.brand-logo{max-width:110px}.brand-fallback{font-size:15px}.drawer-trigger{min-width:74px;padding:0 9px}.app-link{padding:0 10px;font-size:13px}.hero{padding-top:22px}.hero-media{height:260px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.number-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-note{padding-bottom:54px}.definition{grid-template-columns:1fr;gap:4px}.search-panel{top:0;bottom:0;background:#090D0B}.search-card{height:100%;width:100%;border:0;border-radius:0;padding-top:calc(20px + env(safe-area-inset-top));overflow-y:auto}.search-links{grid-template-columns:1fr}.mobile-bottom{position:fixed;z-index:85;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#070A08;border-top:1px solid var(--border2)}.mobile-bottom a{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text)}.mobile-bottom a.active{background:var(--green);color:#08110C;font-weight:800}.drawer-panel{width:86vw}.app-media{height:320px}}
@media(max-width:390px){.top-line-inner span{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-link{padding:0 8px}.drawer-trigger{min-width:66px}.drawer-trigger span:first-child{display:none}.footer-grid{grid-template-columns:1fr 1fr}.number-list{grid-template-columns:1fr 1fr}}