*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#0C100E;color:#CDE3D6;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:#3CB371;color:#08110C;padding:10px 14px;border-radius:8px;text-decoration:none}.skip-link:focus{top:8px}.topline{position:fixed;z-index:70;top:0;left:0;right:0;height:22px;background:#080A09;color:#3CB371;border-bottom:1px solid rgba(42,157,92,.18);font-size:12px}.topline-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-control,.drawer-trigger,.icon-button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}.text-control{min-height:22px;padding:0 6px;color:#3CB371}.rail-header{position:fixed;z-index:69;top:22px;left:0;right:0;height:60px;background:#080A09;border-bottom:1px solid rgba(42,157,92,.45)}.rail-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-mark,.footer-logo{display:inline-flex;align-items:center;text-decoration:none;color:#E8F6EE;font-weight:800;font-size:16px}.brand-mark img,.footer-logo img,.drawer-brand img{height:28px;width:auto;max-width:180px;object-fit:contain;object-position:center}.drawer-trigger{min-width:88px;min-height:44px;border:1px solid rgba(42,157,92,.45);border-radius:12px;color:#CDE3D6;display:inline-flex;align-items:center;justify-content:center;gap:7px}.app-link{justify-self:end;display:inline-flex;min-height:44px;padding:0 16px;align-items:center;border-radius:12px;text-decoration:none;background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;font-size:14px;font-weight:800}.tabbar{position:fixed;z-index:68;top:82px;left:0;right:0;height:40px;background:#146B3A;border-bottom:1px solid rgba(42,157,92,.45)}.tabbar-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:8px}.tabbar a{height:30px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;color:#E8F6EE;text-decoration:none;font-size:13px}.tabbar a.is-active{background:#2A9D5C;color:#08110C;font-weight:800}.site-main{padding-top:150px;min-height:70vh}.hero,.page-hero{padding:12px 0 30px}.media-slot{display:flex;align-items:center;justify-content:center;background:#080A09;border:1px solid rgba(42,157,92,.18);border-radius:14px;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-media{height:260px}.section-media{height:200px}.card-media{height:180px}.app-media{height:360px;max-width:560px;margin:0 auto}.brand-icon{width:48px;height:48px;object-fit:contain}.eyebrow{display:inline-block;color:#8FB3A0;font-size:12px;letter-spacing:.12em;margin-bottom:8px}.hero-copy{max-width:880px;margin:24px auto 0;text-align:center}.hero-copy h1,.page-hero h1{margin:0 0 12px;color:#E8F6EE;font-size:24px;line-height:1.3}.hero-copy p,.page-hero p{margin:0;color:#CDE3D6}.page-hero{max-width:900px}.page-hero p{max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;justify-content:center}.button{min-height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;text-decoration:none;font-size:14px;font-weight:800;white-space:nowrap}.button.primary{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C}.button.secondary{background:#080A09;border:1px solid rgba(42,157,92,.45);color:#CDE3D6}.button:hover,.app-link:hover,.drawer-trigger:hover,.tabbar a:hover,.quick-links a:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #3CB371;outline-offset:3px}.section{padding:34px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.section-head h2{font-size:20px;line-height:1.35;margin:0;color:#E8F6EE}.section-head p{margin:0;color:#8FB3A0;max-width:680px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card,.content-block,.note-box,.faq-item,.timeline-item,.lesson,.index-link{background:#141A16;border:1px solid rgba(42,157,92,.18);border-radius:14px;box-shadow:0 12px 28px rgba(8,10,9,.35)}.card{overflow:hidden}.card-body{padding:18px}.card h3,.content-block h2,.content-block h3,.lesson h2,.faq-item h2,.timeline-item h3{margin:0 0 8px;color:#E8F6EE}.card h3{font-size:16px}.card p{margin:0;color:#CDE3D6}.card .more,.text-link{display:inline-flex;margin-top:14px;color:#3CB371;text-decoration:none;font-weight:700}.content-block{padding:24px;margin:0 0 18px}.content-block h2{font-size:20px}.content-block h3{font-size:16px;margin-top:18px}.content-block p{margin:0 0 13px}.content-block p:last-child{margin-bottom:0}.content-block ul,.content-block ol{margin:10px 0 0;padding-left:22px}.content-block li+li{margin-top:7px}.number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.number-item{background:#1A2420;border:1px solid rgba(42,157,92,.18);border-radius:12px;padding:16px}.number-item b{display:block;color:#3CB371;font-size:18px}.number-item span{color:#CDE3D6}.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:20px;align-items:center}.course-list,.sound-list,.article-list{display:grid;gap:10px}.course-list div,.sound-list div,.article-list a{background:#1A2420;border:1px solid rgba(42,157,92,.18);border-radius:12px;padding:14px 16px;color:#CDE3D6;text-decoration:none}.timeline{position:relative;padding-left:22px}.timeline-spaced{margin-top:16px}.timeline:before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;background:rgba(42,157,92,.45)}.timeline-item{position:relative;padding:18px;margin-bottom:14px}.timeline-item:before{content:"";position:absolute;left:-21px;top:24px;width:12px;height:12px;border-radius:50%;background:#3CB371;box-shadow:0 0 0 4px #0C100E}.status{display:inline-flex;margin-top:8px;padding:3px 9px;border-radius:999px;background:#1A2420;border:1px solid rgba(42,157,92,.45);color:#EFE6D2;font-size:12px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px;align-items:start}.side-note{position:sticky;top:144px;background:#1A2420;border:1px solid rgba(42,157,92,.18);border-radius:14px;padding:18px}.side-note h2{font-size:16px;margin:0 0 10px;color:#E8F6EE}.side-note a{display:block;color:#CDE3D6;text-decoration:none;padding:8px 0;border-bottom:1px solid rgba(42,157,92,.18)}.side-note a:last-child{border-bottom:0}.quote{border-left:3px solid #3CB371;padding:12px 16px;background:#1A2420;border-radius:0 10px 10px 0;color:#EFE6D2}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h2{font-size:16px}.faq-item p{margin:0}.notice{padding:18px;border-radius:14px;background:#1A2420;border:1px solid rgba(42,157,92,.45);color:#EFE6D2}.directory{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.index-link{display:block;padding:18px;text-decoration:none;color:#CDE3D6}.index-link strong{display:block;color:#E8F6EE;margin-bottom:5px}.index-link span{color:#8FB3A0}.site-footer{margin-top:50px;padding:34px 0 70px;background:#050706;border-top:1px solid rgba(42,157,92,.45);color:#CDE3D6;font-size:13px}.footer-grid{display:grid;grid-template-columns:2.2fr repeat(4,1fr);gap:24px}.footer-grid h2{font-size:13px;color:#8FB3A0;margin:0 0 10px}.footer-grid a{display:block;color:#CDE3D6;text-decoration:none;padding:4px 0}.footer-brand strong,.footer-brand span{display:block}.footer-brand p{max-width:500px;color:#8FB3A0}.footer-bottom{margin-top:26px;padding-top:16px;border-top:1px solid rgba(42,157,92,.18);color:#6E8F7E}.drawer{position:fixed;z-index:90;left:0;top:0;bottom:0;width:min(400px,86vw);background:#080A09;border-right:1px solid rgba(42,157,92,.45);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s;box-shadow:0 12px 28px rgba(8,10,9,.35)}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(42,157,92,.18)}.drawer-brand{display:flex;align-items:center;gap:10px;color:#E8F6EE}.icon-button{width:44px;height:44px;border:1px solid rgba(42,157,92,.45);border-radius:12px;color:#CDE3D6;font-size:24px}.drawer-scroll{height:calc(100% - 72px);overflow:auto;padding:16px 18px 28px}.drawer section+section{margin-top:18px}.drawer h2{font-size:13px;color:#8FB3A0;margin:0 0 8px}.drawer a{display:block;text-decoration:none;border-radius:10px;padding:10px 12px;color:#CDE3D6}.drawer a:hover{background:#1A2420}.drawer a strong,.drawer a span{display:block}.drawer a span{font-size:12px;color:#8FB3A0;margin-top:2px}.overlay{position:fixed;z-index:80;inset:0;background:rgba(0,0,0,.66);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.modal-open{overflow:hidden}.search-panel{position:fixed;z-index:89;top:82px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.search-card{background:#080A09;border:1px solid rgba(42,157,92,.45);border-radius:0 0 14px 14px;padding:18px;box-shadow:0 12px 28px rgba(8,10,9,.35)}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;color:#E8F6EE}.search-card label{display:block;color:#8FB3A0;margin-bottom:6px}.search-card input{width:100%;height:46px;background:#141A16;border:1px solid rgba(42,157,92,.45);color:#E8F6EE;border-radius:12px;padding:0 14px;font:inherit}.quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.quick-links a{display:inline-flex;min-height:40px;align-items:center;padding:0 13px;border:1px solid rgba(42,157,92,.18);border-radius:10px;color:#CDE3D6;text-decoration:none;background:#141A16}.mobile-dock{display:none}.muted{color:#8FB3A0}.sand{color:#EFE6D2}.app-intro{display:flex;align-items:center;gap:14px;margin-bottom:18px}.app-intro strong{display:block;color:#E8F6EE;font-size:20px}.app-intro span{display:block;color:#8FB3A0}
@media (max-width:900px){.card-grid.four{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.article-layout{grid-template-columns:1fr}.side-note{position:static}.split-section{grid-template-columns:1fr}.number-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.shell{width:calc(100% - 32px)}.tabbar{display:none}.site-main{padding-top:104px;padding-bottom:54px}.rail-header{height:60px}.rail-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}.brand-mark img{max-width:112px}.brand-mark{font-size:15px;min-width:0}.drawer-trigger{min-width:76px;padding:0 10px}.app-link{padding:0 11px}.hero-media{height:260px}.card-grid,.card-grid.two,.card-grid.four,.directory{grid-template-columns:1fr}.number-grid{grid-template-columns:1fr 1fr}.section{padding:26px 0}.section-head{align-items:flex-start;flex-direction:column;gap:6px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.site-footer{padding-bottom:88px}.mobile-dock{position:fixed;z-index:67;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#080A09;border-top:1px solid rgba(42,157,92,.45);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-dock a{display:flex;align-items:center;justify-content:center;color:#CDE3D6;text-decoration:none;font-size:12px}.mobile-dock a.is-active{background:#2A9D5C;color:#08110C;font-weight:800}.search-panel{top:0;bottom:0;background:#080A09;overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;padding-top:24px}.quick-links{display:grid;grid-template-columns:1fr 1fr}.overlay{z-index:80}.drawer{z-index:90}.mobile-dock{z-index:67}.content-block{padding:20px}.app-media{height:340px}}
@media (max-width:420px){.topline-inner{font-size:11px}.brand-mark img{max-width:96px}.drawer-trigger{min-width:66px;font-size:13px}.app-link{font-size:13px;padding:0 9px}.number-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.quick-links{grid-template-columns:1fr}.hero-copy{text-align:left}.actions{justify-content:flex-start}}
