:root{
--bg:#0C100E;--deep:#080A09;--panel:#141A16;--panel2:#1A2420;--title:#E8F6EE;--text:#CDE3D6;--muted:#8FB3A0;--soft:#6E8F7E;--brand:#2A9D5C;--bright:#3CB371;--darkgreen:#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);--radius:10px;--max:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}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,input{font:inherit}button{color:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}
.top-strip{position:fixed;z-index:80;top:0;left:0;right:0;height:20px;background:#060907;border-bottom:1px solid rgba(60,179,113,.14);font-size:12px;color:var(--bright)}.top-strip__inner{width:min(var(--max),calc(100% - 32px));height:20px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.plain-trigger{border:0;background:transparent;padding:0 4px;height:20px;color:var(--bright);cursor:pointer}
.site-header{position:fixed;z-index:79;top:20px;left:0;right:0;height:54px;background:#080b09;border-bottom:1px solid var(--line)}.site-header__inner{width:min(var(--max),calc(100% - 32px));height:54px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo,.footer-logo,.side-brand img{height:24px;width:auto;max-width:180px}.brand-fallback{font-size:16px;font-weight:800;color:var(--title)}.header-actions{display:flex;align-items:center;gap:8px}.header-app-link,.menu-trigger{height:44px;display:inline-flex;align-items:center;justify-content:center}.header-app-link{padding:0 12px;color:var(--sand);font-size:14px}.menu-trigger{gap:8px;border:1px solid var(--line-strong);background:#0b100d;border-radius:10px;padding:0 12px;cursor:pointer}.menu-trigger i,.menu-trigger i:before,.menu-trigger i:after{display:block;width:16px;height:1px;background:var(--bright);content:"";position:relative}.menu-trigger i:before{position:absolute;top:-5px}.menu-trigger i:after{position:absolute;top:5px}
.quick-tabs{position:fixed;z-index:78;top:74px;left:0;right:0;height:44px;background:#080b09;border-bottom:1px solid var(--line)}.quick-tabs__inner{width:min(var(--max),calc(100% - 32px));height:44px;margin:auto;display:flex;align-items:center;gap:10px}.quick-tab{width:88px;height:22px;border:1px solid var(--line-strong);border-radius:999px;color:var(--text);font-size:13px;display:flex;align-items:center;justify-content:center}.quick-tab.is-active{background:var(--brand);color:#08110C;border-color:var(--brand);font-weight:800}
.site-main{min-height:60vh;padding-top:148px}.section-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto 58px}h1,h2,h3{margin-top:0;color:var(--title);font-weight:800}h1{font-size:24px;line-height:1.3;margin-bottom:16px}h2{font-size:20px;line-height:1.4;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px;color:var(--text)}.lead{font-size:15px;line-height:1.8;color:var(--text);max-width:780px}.eyebrow,.section-kicker,.section-heading>span,.special-index article>span,.scene-page>span,.class-catalog article>span,.discover-entry>span,.contact-lanes article>span{display:inline-block;color:var(--bright);font-size:12px;letter-spacing:.12em;margin-bottom:8px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C}.btn-secondary{background:#0d120f;color:var(--text);border:1px solid var(--line-strong)}.text-link{display:inline-flex;min-height:44px;align-items:center;color:var(--sand);font-weight:700}.text-link:after{content:"→";margin-left:8px;color:var(--bright)}a:hover{opacity:.88}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--bright);outline-offset:3px}
.media-slot{background:#060907;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-176{height:176px}.media-168{height:168px}.media-160{height:160px}.media-app{height:320px;width:240px;max-width:100%}.media-banner{height:200px;width:100%}
.mini-index{display:flex;gap:8px;margin-bottom:20px}.mini-index a{width:88px;height:22px;border-radius:999px;border:1px solid var(--line-strong);font-size:13px;display:flex;align-items:center;justify-content:center}.home-intro{padding-top:10px}
.cut-section .curtain-block{display:grid;grid-template-columns:42% 1fr;gap:26px;align-items:center;background:linear-gradient(90deg,#0b0f0d 0 42%,var(--panel) 42%);border:1px solid var(--line);border-radius:12px;padding:14px}.curtain-copy{padding:14px 10px 14px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px;border-bottom:1px solid var(--line);padding-bottom:10px}.section-heading h2{margin-bottom:0}
.narrow-duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}.narrow-duo .section-heading{grid-column:1/-1}.narrow-story{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.narrow-story.with-media{padding:12px 12px 18px}.narrow-story.with-media h3{margin-top:14px}
.page-pair{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.page-pair .section-heading{grid-column:1/-1}.page-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:22px}.page-card.featured{padding:12px 12px 22px}.page-card.featured h3{margin-top:14px}
.mirror-row{background:var(--deep);border:1px solid var(--line);border-radius:12px;padding:18px}.mirror-row>.media-slot{margin-bottom:14px}.mirror-points{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mirror-points article{padding:16px;background:var(--panel);border-radius:10px}
.lesson-band,.sound-band,.status-home{display:grid;grid-template-columns:38% 1fr;gap:24px;align-items:center}.lesson-copy,.sound-copy{padding:8px 0}.clean-list,.number-list{list-style:none;padding:0;margin:14px 0 0}.clean-list li,.number-list li{display:grid;grid-template-columns:90px 1fr;gap:12px;border-top:1px solid var(--line);padding:10px 0}.clean-list li b,.number-list span{color:var(--sand);font-weight:800}.number-list p{margin:0}.sound-band{grid-template-columns:1fr 38%}
.status-home{background:var(--panel);padding:18px;border-radius:12px;border:1px solid var(--line)}.status-list{display:grid;gap:8px;margin:14px 0}.status-list span{display:grid;grid-template-columns:12px 70px 1fr;gap:8px;align-items:center;color:var(--muted)}.status-list i{width:8px;height:8px;border-radius:50%;background:var(--bright)}.status-list b{color:var(--sand)}
.app-wrap,.app-page-wrap{display:block;position:relative;min-height:340px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}.app-text,.app-page-copy{padding-right:280px}.app-visual,.app-page-visual{position:absolute;right:24px;top:20px;width:240px}.app-icon-line{display:flex;align-items:center;gap:12px;margin-bottom:18px}.app-icon{width:48px;height:48px;object-fit:contain}.app-icon-line div{display:grid}.app-icon-line span{color:var(--muted);font-size:12px}.app-icon-line strong{color:var(--title);font-size:16px}.app-page-visual p{font-size:13px;color:var(--muted);margin-top:12px}
.long-copy{border-top:1px solid var(--line);padding-top:24px}.faq-home details,.faq-full details{border-top:1px solid var(--line);padding:14px 0}.faq-home summary,.faq-full summary{cursor:pointer;color:var(--title);font-weight:800}.faq-home details p,.faq-full details p{padding-top:10px;color:var(--muted)}.brand-home{background:linear-gradient(135deg,#0d1510,var(--panel2));border:1px solid var(--line-strong);border-radius:12px;padding:28px}.brand-home__copy{max-width:720px}.brand-home__copy>span{color:var(--bright);font-size:12px}
.two-narrow-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.column-article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.column-article .media-slot{margin:-6px -6px 16px;width:calc(100% + 12px)}
.info-strips{display:grid;gap:0;border-top:1px solid var(--line)}.info-strips article{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.info-strips h2{margin:0}.path-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.path-links a{display:grid;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;min-height:90px}.path-links b{color:var(--sand)}.path-links span{color:var(--muted)}.closing-note{margin-top:18px;color:var(--muted)}
.setting-directory{display:grid;grid-template-columns:210px 1fr;gap:26px;align-items:start}.setting-local{display:grid;gap:8px;position:sticky;top:136px}.setting-local a{min-height:44px;display:flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--deep)}.setting-stack{display:grid;gap:14px}.setting-stack article{display:grid;grid-template-columns:48px 1fr;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.setting-stack article>span{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--brand);color:#08110C;font-weight:800}
.split-stage{display:grid;grid-template-columns:44% 1fr;gap:0;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.split-stage__media{background:var(--deep);padding:16px}.split-stage__copy{padding:28px}.character-ledger{display:grid;grid-template-columns:1fr 1fr;gap:16px}.character-ledger article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.character-ledger article:first-child{grid-column:1/-1}.character-ledger header{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:14px}.character-ledger header span{color:var(--sand);font-weight:800}.character-ledger header b{color:var(--bright);font-size:12px}.relation-method{border-top:1px solid var(--line);padding-top:22px}.relation-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.relation-grid div{background:var(--deep);border:1px solid var(--line);border-radius:10px;padding:16px}.relation-grid b{color:var(--sand)}.relation-grid p{margin-top:6px;margin-bottom:0;color:var(--muted)}
.scene-pages{display:grid;grid-template-columns:1fr 1fr;gap:14px}.scene-page{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.scene-page.wide{grid-column:1/-1;display:grid;grid-template-columns:44% 1fr;gap:20px;padding:12px}.scene-page.wide>div:last-child{padding:10px 6px}
.lens-intro{display:grid;grid-template-columns:1fr 38%;gap:24px;align-items:center}.shot-list{display:grid;gap:12px}.shot-list article{display:grid;grid-template-columns:64px 1fr;gap:16px;border-top:1px solid var(--line);padding:18px 0}.shot-list article>span{font-size:24px;color:var(--soft)}
.class-head,.sound-hero,.status-head,.special-head{display:grid;grid-template-columns:38% 1fr;gap:24px;align-items:center}.sound-hero,.special-head{grid-template-columns:1fr 38%}.class-catalog{display:grid;grid-template-columns:1fr 1fr;gap:14px}.class-catalog article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.class-catalog article:last-child{grid-column:1/-1}.sound-entries{display:grid;gap:0}.sound-entries article{display:grid;grid-template-columns:260px 1fr;gap:24px;border-top:1px solid var(--line);padding:18px 0}.sound-entries h2{font-size:16px}
.status-rows{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.status-row>div{display:grid;align-content:start}.status-row b{color:var(--sand);font-size:16px}.status-row span{color:var(--muted);font-size:12px}.status-note{border-top:1px solid var(--line);padding-top:22px}
.special-index{display:grid;grid-template-columns:1fr 1fr;gap:14px}.special-index article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.special-close{background:var(--deep);border:1px solid var(--line);border-radius:10px;padding:22px}
.discover-index{display:grid;grid-template-columns:1fr 1fr;gap:14px}.discover-entry{display:block;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:22px;min-height:210px}.discover-entry b{display:inline-flex;margin-top:6px;color:var(--sand)}.discover-secondary{border-top:1px solid var(--line);padding-top:20px}
.utility-steps{display:grid;gap:12px}.utility-steps article{display:grid;grid-template-columns:58px 1fr;gap:16px;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.utility-steps article>span{width:42px;height:42px;border-radius:10px;background:var(--brand);color:#08110C;display:flex;align-items:center;justify-content:center;font-weight:900}.utility-note,.contact-note{background:var(--deep);border:1px solid var(--line);border-radius:10px;padding:22px}
.policy-sections{display:grid;gap:16px}.policy-sections article{border-top:1px solid var(--line);padding-top:18px}.help-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}.help-columns article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.help-columns article a{display:inline-flex;min-height:44px;align-items:center;color:var(--sand);font-weight:800}.faq-full{max-width:820px}.contact-lanes{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-lanes article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.about-head{display:grid;gap:20px}.about-title{max-width:820px}.about-story{display:grid;gap:0}.about-story article{display:grid;grid-template-columns:180px 1fr;column-gap:28px;border-top:1px solid var(--line);padding:22px 0}.about-story article h2{grid-row:1/3}
.site-footer{background:#050706;border-top:1px solid var(--line);color:var(--text);font-size:13px;padding:34px 0 74px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand>div{display:grid}.footer-brand strong{color:var(--title);font-size:16px}.footer-brand span{color:var(--muted);font-size:12px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-group{display:grid;align-content:start;gap:7px}.footer-group h2{font-size:13px;margin:0 0 4px;color:var(--sand)}.footer-group a{color:var(--muted);min-height:28px;display:flex;align-items:center}.footer-note{border-top:1px solid var(--line);margin-top:24px;padding-top:18px;color:var(--muted)}.footer-copy{color:var(--soft);margin-bottom:0}
.overlay{position:fixed;inset:0;z-index:88;background:rgba(0,0,0,.58);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.side-panel{position:fixed;z-index:90;top:86px;right:16px;width:min(32%,430px);max-height:76vh;background:#0a0e0c;border:1px solid var(--line-strong);border-radius:14px;box-shadow:var(--shadow);transform:translateX(calc(100% + 28px));visibility:hidden;pointer-events:none;transition:.22s ease;overflow:auto}.side-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.side-panel__head{position:sticky;top:0;background:#0a0e0c;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px;z-index:2}.side-brand{display:flex;align-items:center;gap:10px}.side-brand>div{display:grid}.side-brand span{font-size:11px;color:var(--muted)}.close-trigger{min-width:54px;height:44px;border:1px solid var(--line-strong);background:#0d120f;border-radius:10px;cursor:pointer}.side-panel__body{padding:12px 14px 18px}.side-panel__body section+section{margin-top:18px}.side-panel__body h2{font-size:12px;color:var(--bright);margin-bottom:6px}.side-panel__body a{display:grid;grid-template-columns:86px 1fr;gap:10px;padding:9px 0;border-top:1px solid var(--line);min-height:50px}.side-panel__body b{color:var(--sand)}.side-panel__body span{color:var(--muted);font-size:12px}
.search-panel{position:fixed;z-index:91;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(var(--max),calc(100% - 32px));margin:auto;background:#080b09;border:1px solid var(--line-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:16px}.search-card__head{display:flex;justify-content:space-between;align-items:center;gap:14px}.search-card__head>div{display:grid}.search-card__head span{font-size:12px;color:var(--muted)}.search-field{display:grid;gap:6px;margin:14px 0}.search-field span{font-size:12px;color:var(--muted)}.search-field input{height:44px;border:1px solid var(--line-strong);border-radius:10px;background:#0d120f;color:var(--title);padding:0 12px}.search-results{display:grid;grid-template-columns:1fr 1fr;gap:8px}.search-results a{min-height:54px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;display:grid;background:var(--panel)}.search-results a>span{font-size:12px;color:var(--muted)}.mobile-bottom{display:none}
@media(max-width:760px){.quick-tabs{display:none}.site-main{padding-top:104px;padding-bottom:58px}.top-strip__inner,.site-header__inner,.section-wrap,.footer-inner,.search-card{width:calc(100% - 32px)}.cut-section .curtain-block,.narrow-duo,.page-pair,.mirror-points,.lesson-band,.sound-band,.status-home,.two-narrow-columns,.setting-directory,.split-stage,.character-ledger,.relation-grid,.scene-pages,.scene-page.wide,.lens-intro,.class-head,.sound-hero,.status-head,.special-head,.class-catalog,.sound-entries article,.status-row,.special-index,.discover-index,.help-columns,.contact-lanes,.about-story article{grid-template-columns:1fr}.narrow-duo .section-heading,.page-pair .section-heading,.character-ledger article:first-child,.scene-page.wide,.class-catalog article:last-child{grid-column:auto}.cut-section .curtain-block{background:var(--panel)}.curtain-copy{padding:4px}.section-heading{display:block}.section-heading>span{margin-bottom:4px}.lesson-band,.sound-band,.status-home{gap:14px}.sound-band .sound-copy{order:2}.app-wrap,.app-page-wrap{padding:18px;min-height:0}.app-text,.app-page-copy{padding-right:0}.app-visual,.app-page-visual{position:static;width:240px;margin:18px auto 0}.setting-local{position:static;display:flex;overflow-x:auto;padding-bottom:4px}.setting-local a{white-space:nowrap}.split-stage__copy{padding:20px}.scene-page.wide{display:block}.scene-page.wide .media-slot{margin-bottom:14px}.sound-entries article,.status-row,.about-story article{gap:8px}.about-story article h2{grid-row:auto}.footer-groups{grid-template-columns:1fr 1fr}.side-panel{top:78px;right:12px;width:88%;max-height:76vh}.search-panel{top:0;bottom:0;background:#080b09;overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;padding:calc(18px + env(safe-area-inset-top)) 16px 80px}.search-results{grid-template-columns:1fr}.mobile-bottom{position:fixed;z-index:82;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#050706;border-top:1px solid var(--line)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}.mobile-bottom a.is-active{background:var(--brand);color:#08110C;font-weight:800}.site-footer{padding-bottom:calc(74px + env(safe-area-inset-bottom))}.side-panel__body a{grid-template-columns:82px 1fr}}
@media(max-width:430px){.header-app-link{padding:0 6px}.menu-trigger{padding:0 10px}.mini-index{overflow-x:auto}.path-links{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:20px 12px}.media-app{width:100%;max-width:240px}}