:root{color-scheme:dark;--background: #121212;--foreground: #f5f5f5;--card: #181818;--secondary: #1e1e1e;--muted: #9a9a9a;--border: rgba(255, 255, 255, .08);--primary: #a32626;--primary-hover: #b92f2f;--gold: #d4af37;--jade: #2aa198;--radius: 12px;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-heading: "Space Grotesk", Inter, ui-sans-serif, system-ui, sans-serif}*{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth}body{min-height:100%;margin:0;background:radial-gradient(circle at 15% 0%,rgba(212,175,55,.08),transparent 28rem),radial-gradient(circle at 90% 12%,rgba(42,161,152,.08),transparent 26rem),var(--background);color:var(--foreground);font-family:var(--font-sans)}a{color:inherit;text-decoration:none}button,select{font:inherit}.brand-mark{display:inline-flex;align-items:center;gap:12px;min-width:0;font-family:var(--font-heading);font-weight:800}.brand-mark img{width:38px;height:38px;border:1px solid rgba(212,175,55,.4);border-radius:999px;background:var(--card);object-fit:contain;padding:4px}.cta-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:10px;padding:12px 18px;border:1px solid transparent;font-size:14px;font-weight:750;transition:background .18s ease,border-color .18s ease,transform .18s ease}.cta-button:hover{transform:translateY(-1px)}.cta-button.primary{background:var(--primary);color:#fff;box-shadow:0 0 0 1px #a3262659,0 14px 40px #a326262e}.cta-button.primary:hover{background:var(--primary-hover)}.cta-button.outline{border-color:#a3262673;background:#a3262614;color:var(--foreground)}.cta-button.quiet{border-color:var(--border);background:#ffffff08;color:var(--foreground)}.section-kicker,.premium-label,.guide-badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.library-page,.viewer-page{min-height:100vh}.library-hero{position:relative;overflow:hidden;min-height:620px;border-bottom:1px solid var(--border)}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,#12121238,#121212d6,#121212),url(/forbidden-city-sunset.png) center / cover;opacity:.95}.library-topbar{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:1180px;margin:0 auto;padding:28px 24px}.hero-content{position:relative;z-index:1;max-width:920px;margin:0 auto;padding:92px 24px 112px;text-align:center}.hero-content h1{margin:18px 0 0;font-family:var(--font-heading);font-size:clamp(40px,7vw,82px);line-height:1;letter-spacing:0}.hero-content p:not(.premium-label){max-width:720px;margin:24px auto 0;color:#f5f5f5b8;font-size:18px;line-height:1.75}.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:34px}.library-section{max-width:1180px;margin:0 auto;padding:76px 24px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-heading h2,.service-section h2,.side-panel h2,.bundle-panel h2,.disclaimer-box h2{margin:8px 0 0;font-family:var(--font-heading);letter-spacing:0}.section-heading h2{font-size:clamp(26px,3vw,40px)}.bundle-price{min-width:186px;border:1px solid rgba(212,175,55,.35);border-radius:var(--radius);background:#181818c7;padding:16px 18px;text-align:right}.bundle-price span{display:block;color:var(--muted);font-size:12px;font-weight:750;text-transform:uppercase}.bundle-price strong{display:block;margin-top:4px;color:var(--jade);font-family:var(--font-heading);font-size:30px}.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.guide-card{display:flex;min-height:280px;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,#1e1e1ef5,#181818f5);padding:22px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.guide-card:hover{transform:translateY(-2px);border-color:#a3262680;box-shadow:0 0 0 1px #a3262629,0 18px 42px #00000052}.guide-card-top{display:flex;align-items:center;justify-content:space-between;gap:14px}.guide-icon{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid rgba(212,175,55,.35);border-radius:999px;color:var(--gold);background:#d4af370f}.guide-price{color:var(--jade);font-family:var(--font-heading);font-size:22px;font-weight:850}.guide-card h3{margin:14px 0 0;font-family:var(--font-heading);font-size:19px;line-height:1.25}.guide-card p:not(.guide-badge){flex:1;margin:12px 0 0;color:var(--muted);font-size:14px;line-height:1.65}.guide-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--primary-hover);font-size:14px;font-weight:800}.bundle-panel{display:flex;align-items:center;justify-content:space-between;gap:32px;max-width:1180px;margin:34px auto 0;border:1px solid rgba(212,175,55,.42);border-radius:14px;background:linear-gradient(135deg,#1e1e1efa,#181818fa);padding:34px}.bundle-panel p:not(.guide-badge){max-width:720px;color:var(--muted);line-height:1.7}.bundle-actions{min-width:230px;text-align:right}.bundle-actions strong{display:block;margin-bottom:14px;color:var(--jade);font-family:var(--font-heading);font-size:44px}.two-col{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.5fr);gap:22px}.side-panel,.service-section{border:1px solid var(--border);border-radius:var(--radius);background:#181818d1;padding:22px}.side-panel h2,.service-section h2{font-size:22px}.tool-list,.service-list{display:grid;gap:12px;margin-top:18px}.tool-row,.service-card{display:flex;gap:13px;border:1px solid var(--border);border-radius:10px;background:#ffffff06;padding:14px}.tool-row{color:var(--gold)}.tool-row span{display:grid;gap:4px;color:var(--foreground)}.tool-row small,.tool-row em,.service-card p{color:var(--muted);font-size:12px;font-style:normal;line-height:1.45}.service-list:not(.compact){grid-template-columns:repeat(2,minmax(0,1fr))}.service-card{justify-content:space-between;color:var(--foreground)}.service-card h3{margin:0;font-family:var(--font-heading);font-size:17px}.service-action{display:flex;min-width:96px;flex-direction:column;align-items:flex-end;justify-content:space-between;gap:12px}.service-action strong{color:var(--jade);font-family:var(--font-heading);font-size:22px}.service-action span{display:inline-flex;align-items:center;gap:4px;color:var(--primary-hover);font-size:13px;font-weight:800}.simple-footer{max-width:1180px;margin:70px auto 0;border-top:1px solid var(--border);padding:30px 24px 42px;color:#9a9a9acc;font-size:12px;line-height:1.7;text-align:center}.simple-footer a{display:inline-flex;align-items:center;gap:6px;color:var(--foreground);font-weight:800}.viewer-header{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:minmax(180px,1fr) minmax(0,1.6fr) minmax(220px,1fr);align-items:center;gap:20px;border-bottom:1px solid var(--border);background:#121212e0;padding:14px 22px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.viewer-header strong{overflow:hidden;text-align:center;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-heading)}.viewer-header nav{display:flex;align-items:center;justify-content:flex-end;gap:10px;color:var(--muted);font-size:13px;font-weight:750}.viewer-header nav a{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;border-radius:9px;padding:0 12px}.bundle-return-link{border:1px solid rgba(212,175,55,.34);background:#d4af3714;color:var(--foreground);box-shadow:0 12px 34px #0000002e}.bundle-return-link:hover{border-color:#d4af3794;background:#d4af3721}.progress-shell{position:sticky;top:67px;z-index:9;height:4px;overflow:hidden;background:#ffffff0f}.progress-shell span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--gold),var(--jade));transition:width .2s ease}.viewer-grid{display:grid;grid-template-columns:250px minmax(0,1fr) 320px;gap:22px;max-width:1440px;margin:0 auto;padding:30px 22px}.chapter-nav{position:sticky;top:94px;align-self:start;max-height:calc(100vh - 114px);overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:#181818d1;padding:16px}.chapter-select-wrap{display:none;margin-top:12px}.chapter-select-wrap select{width:100%;min-height:44px;border:1px solid var(--border);border-radius:10px;background:var(--secondary);color:var(--foreground);padding:0 12px}.chapter-list{display:grid;gap:10px;margin-top:16px}.chapter-list button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--border);border-radius:10px;background:#ffffff06;color:var(--foreground);padding:12px;text-align:left;cursor:pointer}.chapter-list button.active{border-color:#d4af377a;background:#d4af3714}.chapter-list small{color:var(--muted)}.slide-card{min-height:calc(100vh - 128px);border:1px solid rgba(212,175,55,.24);border-radius:14px;background:linear-gradient(180deg,#1e1e1ef5,#121212fa),var(--card);padding:clamp(22px,4vw,52px);box-shadow:0 24px 80px #00000047}.slide-meta{display:flex;justify-content:space-between;gap:18px;color:var(--gold);font-size:12px;font-weight:850;letter-spacing:.16em;text-transform:uppercase}.slide-card h1{max-width:860px;margin:26px 0 0;font-family:var(--font-heading);font-size:clamp(34px,5vw,68px);line-height:1.04;letter-spacing:0}.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px}.qa-grid div,.main-content,.warning-box,.backup-box{border:1px solid var(--border);border-radius:var(--radius);background:#ffffff08;padding:18px}.qa-grid span,.main-content h2{color:var(--gold);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.qa-grid p{margin:10px 0 0;color:#f5f5f5d6;font-size:17px;line-height:1.65}.main-content{margin-top:16px}.main-content h2{margin:0}.main-content ul{display:grid;gap:12px;margin:16px 0 0;padding:0;list-style:none}.main-content li{display:flex;gap:10px;color:#f5f5f5d1;line-height:1.65}.main-content li svg{flex:0 0 auto;margin-top:4px;color:var(--jade)}.warning-box,.backup-box{display:flex;gap:12px;margin-top:16px}.warning-box svg,.lifeline-icon{flex:0 0 auto;color:var(--primary-hover)}.backup-box{border-color:#2aa19838}.backup-box p,.warning-box p{margin:0;color:var(--muted);line-height:1.65}.slide-cta{margin-top:22px}.slide-controls{display:flex;justify-content:space-between;gap:14px;margin-top:28px}.slide-controls button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border);border-radius:10px;background:var(--secondary);color:var(--foreground);padding:12px 18px;font-weight:800;cursor:pointer}.slide-controls button:disabled{cursor:not-allowed;opacity:.42}.viewer-sidebar{display:grid;align-self:start;gap:16px}.help-panel{border-color:#d4af373d}.help-panel p{color:var(--muted);line-height:1.6}.help-panel .cta-button{width:100%;margin-top:10px}.viewer-footer{max-width:1440px;margin:0 auto;padding:0 22px 42px}.disclaimer-box{border:1px solid var(--border);border-radius:var(--radius);background:#181818d1;padding:22px}.disclaimer-box p{margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.75}.back-link{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:14px;font-weight:800}.not-found{display:flex;min-height:100vh;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}.not-found svg{color:var(--gold)}.not-found h1{margin:18px 0 0;font-family:var(--font-heading);font-size:42px}.not-found p{color:var(--muted)}.qa-guide-page{min-height:100vh;overflow-x:hidden}.qa-guide-shell{display:grid;grid-template-columns:320px minmax(0,1fr) 310px;gap:22px;width:min(1640px,100%);margin:0 auto;padding:30px 22px 54px;align-items:start;min-width:0}.qa-nav-panel,.qa-context-panel{position:sticky;top:94px;min-width:0;max-height:calc(100vh - 114px);overflow:auto;scrollbar-width:thin}.qa-nav-panel{border:1px solid var(--border);border-radius:var(--radius);background:#181818db;padding:18px}.qa-search{display:flex;align-items:center;gap:10px;min-height:44px;margin-top:14px;border:1px solid var(--border);border-radius:10px;background:#ffffff09;color:var(--muted);padding:0 12px}.qa-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--foreground);font:inherit}.qa-search input::placeholder{color:#9a9a9ab8}.qa-nav-stats{display:flex;align-items:baseline;gap:7px;margin-top:14px;color:var(--muted)}.qa-nav-stats span{color:var(--jade);font-family:var(--font-heading);font-size:28px;font-weight:850}.qa-chapter-list{display:grid;gap:18px;margin-top:18px}.qa-chapter-list section{border-top:1px solid var(--border);padding-top:16px}.qa-chapter-list section:first-child{border-top:0;padding-top:0}.qa-chapter-list h2{margin:0 0 10px;color:var(--gold);font-size:12px;font-weight:850;letter-spacing:.08em;line-height:1.4}.qa-chapter-list div{display:grid;gap:8px}.qa-chapter-list button{display:grid;grid-template-columns:34px minmax(0,1fr);width:100%;min-width:0;gap:10px;align-items:start;border:1px solid transparent;border-radius:9px;background:transparent;padding:10px;color:#f5f5f5c7;text-align:left;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease}.qa-chapter-list button:hover,.qa-chapter-list button.active{border-color:#d4af3752;background:#d4af3712;color:var(--foreground)}.qa-chapter-list button.active{border-color:#2aa19861;background:#2aa19814}.qa-chapter-list button span{color:var(--jade);font-family:var(--font-heading);font-size:13px;font-weight:850}.qa-chapter-list button strong{min-width:0;overflow-wrap:break-word;word-break:normal;font-size:13px;font-weight:750;line-height:1.45}.qa-overview-button{display:flex;width:100%;min-width:0;align-items:center;gap:12px;margin-top:18px;border:1px solid rgba(212,175,55,.18);border-radius:10px;background:#d4af370e;color:var(--foreground);padding:12px;text-align:left;cursor:pointer}.qa-overview-button.active{border-color:#2aa1986b;background:#2aa19814}.qa-overview-button svg{flex:0 0 auto;color:var(--gold)}.qa-overview-button span{display:grid;gap:3px;min-width:0}.qa-overview-button strong{font-size:13px;font-weight:850}.qa-overview-button small{color:var(--muted);font-size:12px;line-height:1.35}.qa-content{display:grid;min-width:0;gap:22px}.payment-overview-card,.payment-question-card,.payment-search-result{min-width:0;border:1px solid rgba(212,175,55,.2);border-radius:14px;background:linear-gradient(180deg,#1e1e1ef5,#121212fa),var(--card);box-shadow:0 20px 70px #0000003d}.payment-overview-card{padding:clamp(22px,3.2vw,34px)}.payment-overview-card h1{margin:18px 0 0;font-family:var(--font-heading);font-size:clamp(36px,4.8vw,62px);line-height:1.03;overflow-wrap:anywhere}.payment-subtitle{margin:14px 0 0;color:#f5f5f5bd;font-size:18px}.overview-compact{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;margin-top:24px;border:1px solid rgba(212,175,55,.22);border-radius:10px;background:linear-gradient(135deg,#d4af3712,#2aa1980b),#ffffff07;padding:18px}.overview-compact h2{margin:0;color:var(--gold);font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.overview-compact p{max-width:820px;margin:8px 0 0;color:#f5f5f5d1;line-height:1.65;overflow-wrap:anywhere}.overview-compact button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid rgba(212,175,55,.24);border-radius:10px;background:#121212b8;color:var(--foreground);padding:0 14px;font:inherit;font-size:13px;font-weight:800;cursor:pointer}.overview-compact button:hover{border-color:#d4af3775;background:#d4af3714}.payment-overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.payment-overview-grid section,.payment-detail-block,.payment-question-strip,.payment-answer-strip{border:1px solid var(--border);border-radius:10px;background:#ffffff08}.payment-overview-grid section{padding:18px}.payment-overview-grid h2,.payment-detail-block h3,.payment-question-strip span,.payment-answer-strip span{margin:0;color:var(--gold);font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.payment-overview-grid p,.payment-overview-grid li{color:#f5f5f5c7;line-height:1.75;overflow-wrap:anywhere}.payment-overview-grid p{margin:12px 0 0}.payment-overview-grid ol{display:grid;gap:9px;margin:14px 0 0;padding-left:20px}.payment-search-result{display:flex;gap:13px;align-items:center;padding:18px}.payment-search-result svg{color:var(--gold)}.payment-search-result strong{font-family:var(--font-heading)}.payment-search-result p{margin:4px 0 0;color:var(--muted)}.payment-card-flow{display:grid;gap:22px}.reader-controls{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:14px;align-items:center;border:1px solid var(--border);border-radius:12px;background:#ffffff07;padding:14px}.reader-controls span{color:var(--muted);font-family:var(--font-heading);font-size:13px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.reader-controls button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid rgba(212,175,55,.22);border-radius:10px;background:#121212c2;color:var(--foreground);padding:0 14px;font:inherit;font-size:13px;font-weight:850;cursor:pointer}.reader-controls button:first-child{justify-self:start}.reader-controls button:last-child{justify-self:end}.reader-controls button:disabled{opacity:.45;cursor:not-allowed}.payment-question-card{scroll-margin-top:92px;padding:clamp(22px,3.5vw,40px)}.payment-card-meta{display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--gold);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.payment-card-meta span:last-child{overflow:hidden;color:var(--muted);text-overflow:ellipsis;white-space:nowrap}.payment-question-card h2{margin:18px 0 0;font-family:var(--font-heading);font-size:clamp(30px,3.2vw,48px);line-height:1.08;overflow-wrap:anywhere}.payment-question-strip,.payment-answer-strip{margin-top:18px;padding:18px}.payment-question-strip{border-color:#d4af3747}.payment-question-strip strong{display:block;margin-top:10px;color:var(--foreground);font-size:clamp(18px,2vw,24px);line-height:1.45;overflow-wrap:anywhere}.payment-answer-strip{border-color:#2aa19847;background:#2aa1980e}.payment-answer-strip p{margin:10px 0 0;color:#f5f5f5db;font-size:17px;line-height:1.75;overflow-wrap:anywhere}.payment-detail-stack{display:grid;gap:14px;margin-top:18px}.payment-detail-block{padding:18px 18px 18px 20px;border-left:3px solid rgba(212,175,55,.48)}.payment-detail-block.warning{border-left-color:var(--primary-hover);background:#a326260f}.payment-detail-block.takeaway{border-left-color:var(--jade);background:#2aa1980e}.payment-detail-block p,.payment-detail-block li{color:#f5f5f5cc;line-height:1.75;overflow-wrap:anywhere}.payment-detail-block p{margin:12px 0 0}.payment-detail-block ul,.payment-detail-block ol{display:grid;gap:9px;margin:14px 0 0;padding-left:22px}.payment-detail-block ul{list-style:disc}.payment-detail-block li::marker{color:var(--jade)}@media(max-width:1380px){.qa-guide-shell{grid-template-columns:300px minmax(0,1fr)}.qa-context-panel{display:none}}@media(max-width:1180px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.viewer-grid{grid-template-columns:220px minmax(0,1fr)}.viewer-sidebar{grid-column:1 / -1;grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:820px){.library-topbar,.section-heading,.bundle-panel,.slide-controls,.viewer-header{align-items:stretch;flex-direction:column}.library-topbar{display:flex}.hero-content{padding-top:72px}.guide-grid,.two-col,.service-list:not(.compact),.viewer-sidebar{grid-template-columns:1fr}.bundle-price,.bundle-actions{text-align:left}.viewer-header{position:static;display:flex;padding:14px 16px}.viewer-header strong{text-align:left;white-space:normal}.viewer-header nav{justify-content:flex-start}.progress-shell{top:0}.viewer-grid{grid-template-columns:1fr;padding:18px 14px}.chapter-nav{position:static;max-height:none}.chapter-list{display:none}.chapter-select-wrap{display:block}.slide-card{min-height:0}.qa-grid,.qa-guide-shell,.payment-overview-grid,.overview-compact,.reader-controls{grid-template-columns:1fr}.reader-controls span,.reader-controls button,.reader-controls button:first-child,.reader-controls button:last-child{justify-self:stretch}.qa-chapter-list button{grid-template-columns:28px minmax(0,1fr);gap:8px;padding:9px 8px}.qa-chapter-list button strong{font-size:12px}.qa-nav-panel{position:static;max-height:480px}}@media(max-width:560px){.brand-mark img{width:34px;height:34px}.library-section{padding-top:54px}.hero-actions,.cta-button,.slide-controls button{width:100%}.guide-grid{gap:14px}.guide-card,.bundle-panel,.side-panel,.service-section,.slide-card,.payment-overview-card,.payment-question-card{border-radius:10px}.qa-guide-shell{padding:18px 14px 38px}.payment-overview-card{padding:22px 18px}.payment-overview-card h1{font-size:clamp(34px,10vw,42px)}.payment-card-meta{align-items:flex-start;flex-direction:column;gap:6px}.service-card{flex-direction:column}.service-action{align-items:flex-start}}
