:root{
 --bg:#0C100E;--bg-deep:#080A09;--panel:#141A16;--panel2:#1A2420;--title:#E8F6EE;--text:#CDE3D6;--muted:#8FB3A0;--dim:#6E8F7E;--brand:#2A9D5C;--bright:#3CB371;--deep:#146B3A;--sand:#EFE6D2;--line:rgba(42,157,92,.18);--line-strong:rgba(42,157,92,.45);--shadow:0 12px 28px rgba(8,10,9,.35);--max:1120px;
}
*{box-sizing:border-box}html{background:var(--bg-deep);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",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}.topline{position:fixed;z-index:80;top:0;left:0;right:0;height:22px;background:#050706;border-bottom:1px solid var(--line)}.topline-inner{max-width:var(--max);height:100%;margin:auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;color:var(--bright);font-size:12px;line-height:1}.text-button{border:0;background:transparent;color:var(--bright);padding:0 4px;min-height:22px;cursor:pointer}.mainbar{position:fixed;z-index:79;top:22px;left:0;right:0;height:60px;background:#080B09;border-bottom:1px solid var(--line)}.mainbar-inner{max-width:var(--max);height:100%;margin:auto;padding:0 18px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand{justify-self:start;display:flex;align-items:center;min-width:100px;min-height:44px}.brand-media img{height:28px;width:auto;object-fit:contain}.brand-fallback{font-weight:700;color:var(--title);font-size:16px}.menu-button,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px}.menu-button{justify-self:center;border:1px solid var(--line-strong);background:var(--panel);color:var(--text);padding:0 22px;cursor:pointer}.app-link{justify-self:end;padding:0 18px;background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;font-weight:700}.subnav{position:fixed;z-index:78;top:82px;left:0;right:0;height:40px;background:#103923;border-bottom:1px solid var(--line-strong);display:flex;justify-content:center;align-items:center;gap:8px;padding:4px 16px}.subnav a{height:32px;padding:0 18px;display:flex;align-items:center;border-radius:8px;color:var(--text);font-size:13px}.subnav a.is-active{background:var(--brand);color:#08110C;font-weight:700}.site-main{padding-top:146px;min-height:70vh}.page-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto 60px}.page-head{padding:26px 0 18px;border-bottom:1px solid var(--line);margin-bottom:24px}.eyebrow{margin:0 0 8px;color:var(--bright);font-size:12px;letter-spacing:.12em}.page-head h1,.hero-copy h1{font-size:24px;line-height:1.3;color:var(--title);margin:0 0 10px}.page-head p,.hero-copy p{max-width:820px;color:var(--muted);margin:0}.section{margin:28px 0}.section h2{font-size:20px;color:var(--title);margin:0 0 14px}.section h3{font-size:16px;color:var(--sand);margin:0 0 8px}.section p{margin:0 0 12px}.muted{color:var(--muted)}.dim{color:var(--dim)}.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(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.card-link{transition:transform .2s,border-color .2s}.card-link:hover,.card-link:focus-visible{transform:translateY(-2px);border-color:var(--line-strong);outline:none}.media-slot{width:100%;background:#070908;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-180{height:180px}.slot-200{height:200px}.slot-260{height:260px}.slot-app{height:min(360px,64vw)}.icon-slot{height:84px;width:84px;margin-bottom:14px}.hero{display:grid;gap:18px}.hero-copy{background:linear-gradient(180deg,rgba(26,36,32,.94),rgba(20,26,22,.96));border:1px solid var(--line);border-radius:14px;padding:24px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn-primary{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;font-weight:700}.btn-secondary{background:#0B100D;color:var(--text);border:1px solid var(--line-strong)}.btn:hover,.btn:focus-visible{filter:brightness(1.08);outline:2px solid rgba(60,179,113,.42);outline-offset:2px}.number-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}.number-list div{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px}.number-list b{display:block;color:var(--bright);font-size:12px}.number-list span{color:var(--title)}.lesson-list,.link-list{display:grid;gap:10px}.lesson-list div,.link-list a{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px 14px}.timeline{position:relative;display:grid;gap:14px;margin-left:8px}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:1px;background:var(--line-strong)}.timeline-item{position:relative;padding-left:32px}.timeline-item:before{content:"";position:absolute;left:2px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #0C100E}.status{display:inline-flex;padding:2px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--line-strong);font-size:12px;color:var(--bright);margin-bottom:5px}.quote{border-left:3px solid var(--brand);background:var(--panel);padding:14px 16px;border-radius:0 10px 10px 0;color:var(--sand)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{padding:5px 9px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);font-size:12px;color:var(--muted)}.table-like{display:grid;gap:8px}.table-row{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:12px 14px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.table-row b{color:var(--sand)}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin:0 0 8px;color:var(--title)}.site-footer{background:#050706;border-top:1px solid var(--line-strong);color:var(--text);font-size:13px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto;padding:30px 0 82px}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.footer-logo img{height:28px;width:auto;object-fit:contain}.footer-brand strong{display:block;color:var(--title);font-size:16px}.footer-brand span{display:block;color:var(--muted);font-size:12px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:20px 0}.footer-grid h3{font-size:13px;margin:0 0 8px;color:var(--sand)}.footer-grid a{display:block;color:var(--muted);padding:3px 0}.footer-grid a:hover,.footer-grid a:focus-visible{color:var(--bright);outline:none}.footer-note{max-width:900px;color:var(--muted);margin:8px 0}.copyright{color:var(--dim);margin:8px 0 0}.overlay{position:fixed;z-index:100;inset:0;background:rgba(2,4,3,.72);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;z-index:110;top:0;left:0;bottom:0;width:400px;max-width:86vw;background:#0A0D0B;border-right:1px solid var(--line-strong);box-shadow:var(--shadow);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s;overflow-y:auto;padding:14px}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 4px 14px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.drawer-logo img{height:28px;width:auto;object-fit:contain}.icon-button{min-height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--line-strong);background:var(--panel);color:var(--text);cursor:pointer}.drawer-section{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-section h2{font-size:12px;letter-spacing:.15em;color:var(--bright);margin:0 0 8px}.drawer-section a{display:block;padding:10px 8px;border-radius:10px}.drawer-section a:hover,.drawer-section a:focus-visible{background:var(--panel2);outline:none}.drawer-section b{display:block;color:var(--title);font-size:14px}.drawer-section span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-panel{position:fixed;z-index:109;left:0;right:0;top:82px;visibility:hidden;opacity:0;pointer-events:none;transition:.2s;padding:14px 16px}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:800px;margin:auto;background:#090C0A;border:1px solid var(--line-strong);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.search-head strong{font-size:18px;color:var(--title)}.search-head p{margin:4px 0 0;color:var(--muted)}.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.search-links a{min-height:44px;display:flex;align-items:center;padding:0 14px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.mobile-bottom{display:none}
@media(max-width:800px){.subnav{display:none}.site-main{padding-top:106px}.mainbar-inner{padding:0 10px;grid-template-columns:1fr auto 1fr}.brand{min-width:0}.brand-media img{max-width:104px}.menu-button{padding:0 14px}.app-link{padding:0 12px}.page-wrap{width:calc(100% - 32px);margin-bottom:42px}.page-head{padding-top:18px}.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}.number-list{grid-template-columns:repeat(2,1fr)}.slot-260{height:220px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{padding-bottom:86px}.search-panel{top:0;bottom:0;padding:0;background:#070A08}.search-card{height:100%;max-width:none;border:0;border-radius:0;padding:22px 16px;overflow:auto}.search-links{grid-template-columns:1fr}.mobile-bottom{position:fixed;z-index:77;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:#070908;border-top:1px solid var(--line-strong)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);min-height:48px}.mobile-bottom a.is-active{background:var(--brand);color:#08110C;font-weight:700}.table-row{grid-template-columns:1fr}.topline-inner{padding:0 12px}}
@media(max-width:430px){.brand-fallback{font-size:15px}.menu-button,.app-link{font-size:13px}.hero-copy{padding:18px}.number-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.slot-180{height:165px}.slot-200{height:180px}.slot-260{height:200px}}