:root{--bg:#0C100E;--bg-deep:#080A09;--panel:#141A16;--panel-2:#1A2420;--title:#E8F6EE;--text:#CDE3D6;--muted:#8FB3A0;--soft:#6E8F7E;--green:#2A9D5C;--green-light:#3CB371;--green-deep:#146B3A;--sand:#EFE6D2;--border:rgba(42,157,92,.18);--border-strong:rgba(42,157,92,.45);--shadow:0 12px 28px rgba(8,10,9,.35);--top-h:20px;--head-h:54px;--tabs-h:44px;--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","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,input{font:inherit}button{cursor:pointer}.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--sand);color:#08110C;padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-topline{position:fixed;inset:0 0 auto 0;height:var(--top-h);z-index:80;background:#050706;color:var(--green-light);font-size:12px;border-bottom:1px solid rgba(60,179,113,.2)}.topline-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.top-search-button{border:0;background:transparent;color:var(--green-light);padding:0 4px;min-height:20px}.site-header{position:fixed;top:var(--top-h);left:0;right:0;height:var(--head-h);z-index:79;background:var(--bg-deep);border-bottom:1px solid var(--border-strong)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand-link,.footer-brand-link,.menu-brand{display:inline-flex;align-items:center;gap:9px;min-width:0}.brand-image-slot,.footer-logo-slot,.menu-logo-slot{display:flex;align-items:center;height:24px}.brand-image-slot img,.footer-logo-slot img,.menu-logo-slot 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var(--border-strong);color:var(--text);border-radius:999px;font-size:13px;display:inline-flex;align-items:center;justify-content:center}.quick-tab.is-current{background:var(--green);color:#08110C;border-color:var(--green)}.main-content{padding-top:calc(var(--top-h) + var(--head-h) + var(--tabs-h) + 28px);padding-bottom:44px;min-height:70vh}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--title);margin-bottom:14px}h2{font-size:20px;line-height:1.35;color:var(--title);margin-bottom:12px}h3{font-size:16px;line-height:1.4;color:var(--sand);margin-bottom:8px}p{margin-bottom:14px}.lead{font-size:16px;color:var(--sand);max-width:720px}.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--green-light);margin-bottom:8px}.muted{color:var(--muted)}.soft{color:var(--soft)}.page-intro,.content-section{margin-bottom:26px}.mt-12{margin-top:12px}.mb-18{margin-bottom:18px}.content-section{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.plain-section{margin-bottom:30px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;padding:0 17px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;font-weight:700}.btn-secondary{background:#090C0A;color:var(--text);border:1px solid var(--border-strong)}a:hover,.btn:hover,.header-app-link:hover,.quick-tab:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--sand);outline-offset:3px}.index-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.index-chips a{border:1px solid var(--border-strong);border-radius:999px;padding:5px 12px;color:var(--text);font-size:13px}.media-slot{background:#080A09;border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-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{height:320px;width:240px;max-width:100%}.curtain-block{background:linear-gradient(180deg,#0A0D0B,#141A16);border:1px solid var(--border-strong);border-radius:18px 18px 10px 10px;padding:12px;margin-bottom:28px}.narrow-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.narrow-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.page-pair{display:grid;grid-template-columns:1.08fr .92fr;gap:16px}.page-sheet{background:var(--panel);border-left:3px solid var(--green);border-radius:0 var(--radius) var(--radius) 0;padding:18px}.lesson-list,.sound-list,.shot-list,.status-list,.directory-list{display:grid;gap:10px}.lesson-list article,.sound-list article,.shot-list article,.status-list article,.directory-list article{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:15px}.lesson-list article{border-top:3px solid var(--green)}.sound-list article{position:relative;padding-left:48px}.sound-list article:before{content:"";position:absolute;left:18px;top:20px;width:14px;height:14px;border:2px solid var(--green-light);border-radius:50%;box-shadow:0 0 0 6px rgba(42,157,92,.08)}.shot-list article{display:grid;grid-template-columns:92px 1fr;gap:14px}.shot-label{color:var(--green-light);font-weight:700}.status-list article{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start}.status-chip{display:inline-flex;justify-content:center;align-items:center;min-height:34px;border-radius:999px;background:#0A0D0B;border:1px solid var(--border-strong);color:var(--text);font-size:13px}.status-chip.done{background:var(--green);color:#08110C}.directory-list article{display:grid;grid-template-columns:130px 1fr;gap:18px}.directory-key{color:var(--sand);font-weight:700}.index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.index-list a{display:block;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.index-list strong{display:block;color:var(--sand);margin-bottom:5px}.wrap-stage{display:block;min-height:340px}.wrap-stage .slot-app{float:right;margin:0 0 18px 22px}.icon-inline{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;background:#080A09;border:1px solid var(--border);border-radius:12px;vertical-align:middle;margin-right:8px}.icon-inline img{width:48px;height:48px;object-fit:contain}.term-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.term-grid div{background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:12px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.faq-item h2{font-size:17px}.policy-list{counter-reset:policy;display:grid;gap:12px}.policy-list section{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.banner-slot{height:200px;width:100%;margin-bottom:22px}.article-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:16px}.note{background:#0A0D0B;border-left:3px solid var(--green-light);padding:12px 14px;border-radius:0 8px 8px 0;color:var(--muted)}.site-footer{background:#050706;border-top:1px solid var(--border-strong);color:var(--text);font-size:13px;padding:28px 0 calc(18px + env(safe-area-inset-bottom))}.footer-top{display:grid;grid-template-columns:200px 1fr;gap:28px}.footer-brand{display:flex;flex-direction:column;gap:7px;color:var(--muted)}.footer-brand strong{color:var(--title);font-size:16px}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.footer-groups h2{font-size:13px;color:var(--sand);margin-bottom:7px}.footer-groups a{display:block;color:var(--muted);padding:3px 0}.footer-notice{border-top:1px solid var(--border);margin-top:24px;padding-top:16px;color:var(--muted)}.footer-notice p:last-child{margin-bottom:0}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.56);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.domain-menu{position:fixed;right:18px;top:calc(var(--top-h) + var(--head-h) + 14px);z-index:100;width:min(32vw,390px);max-height:76vh;background:#0A0D0B;border:1px solid var(--border-strong);border-radius:14px;box-shadow:var(--shadow);transform:translateX(calc(100% + 40px));visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.domain-menu.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.menu-head{height:58px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.close-button{min-height:44px;padding:0 12px;border:1px solid var(--border-strong);background:#080A09;color:var(--text);border-radius:9px}.menu-scroll{overflow:auto;max-height:calc(76vh - 58px);padding:12px}.menu-scroll section{margin-bottom:16px}.menu-scroll h2{font-size:13px;color:var(--green-light);margin:0 0 6px}.menu-scroll a{display:block;border-bottom:1px solid var(--border);padding:9px 4px}.menu-scroll a strong{display:block;color:var(--sand);font-size:14px}.menu-scroll a span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-panel{position:fixed;left:50%;top:calc(var(--top-h) + var(--head-h) + 8px);z-index:101;width:min(calc(100% - 32px),720px);transform:translate(-50%,-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#080A09;border:1px solid var(--border-strong);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.search-card label{display:block;color:var(--muted);font-size:13px;margin-bottom:5px}.search-card input{width:100%;height:44px;border-radius:9px;border:1px solid var(--border-strong);background:#111714;color:var(--title);padding:0 12px}.search-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--border);border-radius:9px}.search-empty{margin:12px 0 0;color:var(--muted)}.mobile-bottom{display:none}
@media(max-width:760px){.quick-tabs{display:none}.main-content{padding-top:calc(var(--top-h) + var(--head-h) + 22px);padding-bottom:76px}.header-inner{gap:8px}.header-app-link,.menu-button{padding:0 11px}.brand-image-slot img{max-width:105px}.narrow-two,.page-pair,.index-list,.term-grid{grid-template-columns:1fr}.directory-list article,.status-list article,.shot-list article{grid-template-columns:1fr;gap:7px}.wrap-stage .slot-app{float:none;margin:0 auto 18px;width:min(240px,100%)}.footer-top{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.domain-menu{right:6%;width:88%;max-height:76vh}.search-panel{inset:0;transform:none;width:100%;height:100%;background:#080A09}.search-panel.is-open{transform:none}.search-card{height:100%;border:0;border-radius:0;padding:calc(24px + env(safe-area-inset-top)) 16px 24px;overflow:auto}.search-presets{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);z-index:70;background:#050706;border-top:1px solid var(--border-strong)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text);min-height:48px}.mobile-bottom a.is-current{background:var(--green);color:#08110C}.slot-176,.slot-168,.slot-160{height:160px}.slot-200,.banner-slot{height:176px}}
@media(max-width:380px){.header-app-link{font-size:13px;padding:0 8px}.menu-button{font-size:13px;padding:0 9px}.brand-fallback{font-size:15px}}