@import"https://fonts.googleapis.com/css2?family=Google+Sans+Flex:opsz,wght@6..144,1..1000&display=swap";@import"https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Playfair+Display:ital@1&display=swap";@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap";:root{--color-primary: #1877F2;--color-primary-hover: #1565D8;--color-primary-light: rgba(24, 119, 242, .1);--color-accent: #E41E3F;--color-accent-hover: #C91836;--color-success: #16A34A;--color-warning: #F59E0B;--color-bg: #FFFFFF;--color-bg-light: #F5F7F8;--color-bg-dark: #0B0F14;--color-surface: #F4F6F8;--color-border: #EEF1F4;--color-text: #0B0F14;--color-text-muted: #5B6472;--font-sans: "Google Sans Flex", "Google Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-logo: "Fredoka", var(--font-sans);--font-slogan: "Playfair Display", Georgia, serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--container-max: 1440px;--header-height: 64px;--bottom-nav-height: 64px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 4px 16px rgba(0,0,0,.12);--shadow-xl: 0 8px 32px rgba(0,0,0,.16);--transition-fast: .15s ease;--transition-base: .25s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}img{display:block;max-width:100%}ul,ol{list-style:none}input,select,textarea{font:inherit;color:inherit;font-size:max(16px,1em)}@media(min-width:640px){input,select,textarea{font-size:inherit}}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-6)}@media(max-width:640px){.container{padding:0 var(--space-4)}}.page{padding-top:var(--header-height);padding-bottom:calc(var(--bottom-nav-height) + var(--space-6));min-height:100vh}@media(min-width:768px){.page{padding-bottom:var(--space-12)}:root{--bottom-nav-height: 0px}}.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.line-clamp-1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px 20px;border-radius:var(--radius-lg);font-size:var(--text-sm);font-weight:700;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:var(--color-accent-hover)}.btn-outline{border:2px solid var(--color-primary);color:var(--color-primary);background:transparent}.btn-outline:hover{background:var(--color-primary-light)}.btn-ghost{color:var(--color-primary);background:var(--color-primary-light)}.btn-ghost:hover{background:#1877f226}.btn-block{width:100%}.btn-lg{padding:14px 28px;font-size:var(--text-base)}.btn-sm{padding:6px 14px;font-size:var(--text-xs)}.btn:disabled{opacity:.5;cursor:not-allowed}.form-input{width:100%;padding:11px 16px;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-lg);font-size:var(--text-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.form-input::placeholder{color:var(--color-text-muted)}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-5)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:700}.badge-primary{background:var(--color-primary-light);color:var(--color-primary);border:1px solid rgba(24,119,242,.2)}.badge-accent{background:#e41e3f1a;color:var(--color-accent)}.badge-success{background:#16a34a1a;color:var(--color-success)}.badge-warning{background:#f59e0b1a;color:var(--color-warning)}.badge-muted{background:var(--color-surface);color:var(--color-text-muted)}.status-paid{background:#16a34a1a;color:#16a34a}.status-pending{background:#f59e0b1a;color:#d97706}.status-failed{background:#e41e3f1a;color:var(--color-accent)}.skeleton{background:linear-gradient(90deg,var(--color-surface) 25%,#e8eaed 37%,var(--color-surface) 63%);background-size:800px 100%;animation:shimmer 1.4s ease infinite;border-radius:var(--radius-md)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.material-symbols-outlined{font-size:24px;line-height:1;vertical-align:middle;font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-12) var(--space-6);gap:var(--space-3)}.empty-state-icon{font-size:48px;opacity:.6}.error-message{padding:var(--space-3) var(--space-4);background:#e41e3f14;color:var(--color-accent);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6)}.section-title{font-size:var(--text-2xl);font-weight:700}.section-link{font-size:var(--text-sm);font-weight:600;color:var(--color-primary);display:flex;align-items:center;gap:4px}.section-link:hover{text-decoration:underline}@media(max-width:640px){.btn-lg{padding:12px 18px;font-size:var(--text-sm)}.card{padding:var(--space-4)}.section-title{font-size:var(--text-xl)}.page{padding-bottom:calc(var(--bottom-nav-height) + var(--space-6))}}:root{--color-card: var(--color-bg);--color-text-secondary: var(--color-text-muted);--fb-blue: var(--color-primary);--fb-blue-light: var(--color-primary-light);--fb-gray-100: var(--color-surface);--fb-gray-bg: var(--color-surface);--fb-red: var(--color-accent);--shadow-card: var(--shadow-md);--space-xs: var(--space-1);--space-sm: var(--space-2);--space-md: var(--space-4);--space-lg: var(--space-6);--space-xl: var(--space-8);--space-2xl: var(--space-10);--space-3xl: var(--space-12)}.amz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:var(--space-4) 10px}@media(min-width:480px){.amz-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-5) 12px}}@media(min-width:768px){.amz-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-6) var(--space-5)}}.amz-grid .amz-card{width:100%!important}.amz-btn-compact{padding:6px 8px!important;font-size:11px!important;border-radius:var(--radius-md)!important;gap:4px!important;font-weight:700!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;height:32px!important}.amz-btn-compact .material-symbols-outlined{font-size:14px!important}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);z-index:200;box-shadow:0 1px 3px #0000000f}.header-inner{height:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--space-6);display:flex;align-items:center;gap:var(--space-4)}.header-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}.header-logo-icon{width:38px;height:38px;background:linear-gradient(135deg,#1877f2,#3b82f6);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 8px #1877f24d}.header-logo-text{display:flex;flex-direction:column;line-height:1.1}.header-logo-name{font-family:var(--font-logo);font-size:20px;font-weight:700;color:var(--color-primary);letter-spacing:-.2px}.header-logo-tagline{font-family:var(--font-slogan);font-style:italic;font-size:10px;color:var(--color-accent);font-weight:400}.header-nav{display:none;align-items:center;gap:2px}@media(min-width:1024px){.header-nav{display:flex}}.header-nav-link{padding:7px 13px;border-radius:var(--radius-md);font-size:13px;font-weight:600;color:var(--color-text-muted);text-decoration:none;transition:all var(--transition-fast);white-space:nowrap}.header-nav-link:hover{background:var(--color-surface);color:var(--color-text)}.header-nav-link.active{color:var(--color-primary)}.header-nav-link.accent{color:var(--color-accent);font-weight:700}.header-nav-link.accent:hover{background:#e41e3f14}.header-search-wrap{flex:1;max-width:480px;position:relative;display:none}@media(min-width:640px){.header-search-wrap{display:block}}.header-search{width:100%;display:flex;align-items:center;gap:var(--space-2);background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-full);padding:0 var(--space-4);transition:all var(--transition-fast)}.header-search:focus-within{background:#fff;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.header-search-input{flex:1;border:none;background:transparent;font-size:var(--text-sm);color:var(--color-text);padding:10px 0;min-width:0}.header-search-input:focus{outline:none}.header-search-input::placeholder{color:var(--color-text-muted)}.header-search-clear{display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:var(--color-text-muted);padding:0;flex-shrink:0;line-height:1}.header-search-clear:hover{color:var(--color-text)}.search-dropdown{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1.5px solid var(--color-border);border-radius:14px;box-shadow:0 8px 32px #0000001f;overflow:hidden;z-index:400;animation:sugg-appear .15s ease}@keyframes sugg-appear{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.search-sugg-item{width:100%;display:flex;align-items:center;gap:10px;padding:10px 14px;background:none;border:none;cursor:pointer;text-align:left;transition:background .1s}.search-sugg-item:hover,.search-sugg-item.active{background:var(--color-surface)}.search-sugg-cover{width:32px;height:44px;border-radius:4px;background:var(--color-surface);overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center}.search-sugg-cover img{width:100%;height:100%;object-fit:cover}.search-sugg-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.search-sugg-title{font-size:13px;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-sugg-author{font-size:11px;color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-sugg-arrow{font-size:15px!important;color:var(--color-text-muted);flex-shrink:0;opacity:0;transition:opacity .1s}.search-sugg-item:hover .search-sugg-arrow,.search-sugg-item.active .search-sugg-arrow{opacity:1}.search-dropdown-loading,.search-dropdown-empty{display:flex;align-items:center;justify-content:center;gap:8px;padding:18px;font-size:13px;color:var(--color-text-muted)}.search-dropdown-all{width:100%;display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--color-surface);border:none;border-top:1px solid var(--color-border);cursor:pointer;font-size:12px;font-weight:700;color:var(--color-primary);text-align:left;transition:background .1s}.search-dropdown-all:hover{background:var(--color-primary-light)}.header-actions{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0;margin-left:auto}.header-cart-btn{position:relative;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--color-text-muted);text-decoration:none;transition:all var(--transition-fast)}.header-cart-btn:hover{background:var(--color-surface);color:var(--color-text)}.header-cart-btn .material-symbols-outlined{font-size:22px}.header-cart-badge{position:absolute;top:2px;right:2px;min-width:18px;height:18px;background:var(--color-accent);color:#fff;border-radius:var(--radius-full);font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 3px;border:2px solid #fff}.header-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary),#60a5fa);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer;transition:opacity var(--transition-fast);flex-shrink:0}.header-avatar:hover{opacity:.9}.header-hamburger{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:transparent;border:none;cursor:pointer;color:var(--color-text);flex-shrink:0}.header-hamburger:hover{background:var(--color-surface)}@media(min-width:1024px){.header-hamburger{display:none}}.header-search-icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:transparent;border:none;cursor:pointer;color:var(--color-text-muted);flex-shrink:0}.header-search-icon-btn:hover{background:var(--color-surface)}@media(min-width:640px){.header-search-icon-btn{display:none}}.mobile-search-overlay{position:fixed;inset:0;background:#fff;z-index:500;display:flex;flex-direction:column}.mobile-search-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--color-border);background:#fff;min-height:var(--header-height)}.mobile-search-input{flex:1;border:none;outline:none;font-size:16px;color:var(--color-text);background:transparent}.mobile-search-input::placeholder{color:var(--color-text-muted)}.mobile-search-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:none;background:var(--color-surface);cursor:pointer;color:var(--color-text-muted);flex-shrink:0}.mobile-search-results{flex:1;overflow-y:auto}.mobile-search-results .search-dropdown{position:static;border:none;border-radius:0;box-shadow:none;animation:none}@media(max-width:480px){.header-login-btn{display:none}}.drawer-overlay{position:fixed;inset:0;background:#00000080;z-index:400;opacity:0;pointer-events:none;transition:opacity var(--transition-base)}.drawer-overlay.open{opacity:1;pointer-events:all}.drawer{position:fixed;top:0;left:0;width:min(300px,85vw);height:100dvh;background:#fff;z-index:410;transform:translate(-100%);transition:transform var(--transition-base);display:flex;flex-direction:column;overflow-y:auto;box-shadow:4px 0 32px #0000001f;overscroll-behavior:contain}.drawer.open{transform:translate(0)}.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0}.drawer-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;border:none;background:transparent;cursor:pointer;color:var(--color-text-muted)}.drawer-close:hover{background:var(--color-border)}.drawer-nav{display:flex;flex-direction:column;padding:8px;flex:1}.drawer-divider{height:1px;background:var(--color-border);margin:6px 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24px;margin-top:auto}@media(min-width:768px){.footer{padding:72px 0 32px}}.footer-inner{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-6)}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-8) var(--space-6);margin-bottom:var(--space-10)}.footer-brand-col{grid-column:1 / -1}@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand-col{grid-column:auto}}@media(min-width:1024px){.footer-grid{grid-template-columns:1.8fr 1fr 1fr 1fr 1.5fr;gap:var(--space-8)}}.footer-col{display:flex;flex-direction:column;gap:var(--space-4)}.footer-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.footer-logo-text{display:flex;flex-direction:column;line-height:1.1}.footer-logo-name{font-family:var(--font-logo);font-size:24px;font-weight:700;color:#fff;letter-spacing:-.2px}.footer-logo-tagline{font-family:var(--font-slogan);font-style:italic;font-size:11px;color:var(--color-danger);font-weight:600;margin-top:-2px}.footer-desc{font-size:var(--text-sm);line-height:1.7;color:#ffffff80;max-width:260px}.footer-socials{display:flex;gap:var(--space-3)}.footer-social{color:#fff6;transition:color var(--transition-fast);text-decoration:none}.footer-social:hover{color:var(--color-primary)}.footer-social .material-symbols-outlined{font-size:22px}.footer-col-title{font-size:var(--text-base);font-weight:700;color:#fff;margin-bottom:var(--space-1)}.footer-links{display:flex;flex-direction:column;gap:var(--space-3)}.footer-links li a{font-size:var(--text-sm);color:#ffffff80;text-decoration:none;transition:color var(--transition-fast)}.footer-links li a:hover{color:var(--color-primary)}.footer-newsletter-desc{font-size:var(--text-sm);color:#ffffff80;line-height:1.6}.footer-newsletter-form{display:flex;gap:var(--space-2)}.footer-newsletter-input{flex:1;padding:9px 14px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);font-size:var(--text-sm);color:#fff;min-width:0}.footer-newsletter-input::placeholder{color:#ffffff4d}.footer-newsletter-input:focus{outline:none;border-color:var(--color-primary)}.footer-newsletter-btn{padding:9px 18px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:700;cursor:pointer;transition:background var(--transition-fast);white-space:nowrap}.footer-newsletter-btn:hover{background:var(--color-primary-hover)}.footer-newsletter-legal{font-size:11px;color:#ffffff4d}.footer-bottom{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding-top:var(--space-6);border-top:1px solid rgba(255,255,255,.08);font-size:var(--text-xs);color:#ffffff4d;text-align:center}@media(min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between}}.footer-bottom-links{display:flex;gap:var(--space-5);flex-wrap:wrap;justify-content:center}.footer-bottom-links a{color:#ffffff4d;text-decoration:none;transition:color var(--transition-fast)}.footer-bottom-links a:hover{color:#ffffffb3}.footer-currency-sep{color:#fff3}.footer-currency-picker{display:inline-flex;align-items:center;gap:4px;color:#ffffff80}.footer-currency-select{background:#ffffff14;color:#ffffffb3;border:1px solid rgba(255,255,255,.12);border-radius:6px;padding:4px 8px;font-size:12px;font-family:inherit;cursor:pointer;transition:border-color var(--transition-fast)}.footer-currency-select:hover{border-color:var(--color-primary)}.footer-currency-select:focus{outline:none;border-color:var(--color-primary)}.footer-currency-select option{background:var(--color-bg-dark);color:#fff}@media(min-width:768px){.bottom-nav{display:none!important}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:100;display:flex;justify-content:space-around;align-items:center;background:#fffffff2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--color-border);padding:var(--space-2) 0 calc(var(--space-2) + env(safe-area-inset-bottom,0px));height:var(--bottom-nav-height)}.bottom-nav-tab{display:flex;flex-direction:column;align-items:center;gap:2px;flex:1;color:var(--color-text-muted);font-size:10px;font-weight:500;transition:color var(--transition-fast)}.bottom-nav-tab .material-symbols-outlined{font-size:24px}.bottom-nav-tab.active{color:var(--color-primary)}.bottom-nav-tab.active .material-symbols-outlined{font-variation-settings:"FILL" 1}.bottom-nav-label{font-size:10px}@media(min-width:768px){.bottom-nav{display:none}}.bk-card{position:relative;display:flex;flex-direction:column;width:150px;max-width:150px;min-width:0;flex-shrink:0;overflow:hidden;background:transparent;transition:transform var(--transition-fast)}.bk-card:hover{transform:translateY(-4px)}.bk-card-cover{display:block;width:150px;height:210px;border-radius:0;overflow:hidden;position:relative;box-shadow:0 4px 16px #0003;flex-shrink:0;background-size:cover;background-position:center}.bk-card-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.bk-badge{position:absolute;top:8px;left:8px;background:var(--color-primary);color:#fff;font-size:10px;font-weight:700;padding:3px 8px;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.5px;z-index:1}.bk-card-body{display:flex;flex-direction:column;gap:2px;padding:var(--space-2) 2px 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#00000038}.hero-book-back{width:160px;height:220px;bottom:20px;left:40px;transform:rotate(-8deg);z-index:1}.hero-book-mid{width:155px;height:215px;bottom:40px;left:100px;transform:rotate(4deg);z-index:2}.hero-book-front{width:150px;height:210px;bottom:60px;left:60px;transform:rotate(-1deg);z-index:3;display:flex;align-items:center;justify-content:center;padding:16px}.hero-book-lines{display:flex;flex-direction:column;gap:8px;width:100%}.hero-book-lines>div{height:3px;border-radius:2px;background:#00000026}.hero-book-lines>div:first-child{width:70%}.hero-book-lines>div:nth-child(2){width:90%}.hero-book-lines>div:last-child{width:55%}.hero-stack-shadow{position:absolute;bottom:0;left:30px;right:30px;height:20px;background:radial-gradient(ellipse,rgba(0,0,0,.2) 0%,transparent 70%);z-index:0}.amz-row{padding:20px 0 8px;border-bottom:1px solid 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0}.skeleton{background:linear-gradient(90deg,#f0f2f5 25%,#e5e7eb,#f0f2f5 75%);background-size:200%;animation:shimmer 1.4s infinite;border-radius:4px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none}.hide-scrollbar::-webkit-scrollbar{display:none}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.detail-breadcrumb{display:flex;align-items:center;gap:6px;font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-6);padding-top:var(--space-5);flex-wrap:wrap}.detail-breadcrumb a{color:var(--color-text-muted);text-decoration:none;transition:color var(--transition-fast)}.detail-breadcrumb a:hover{color:var(--color-primary)}.detail-layout{display:flex;flex-direction:column;gap:var(--space-8);padding-bottom:var(--space-8)}@media(min-width:1024px){.detail-layout{display:grid;grid-template-columns:3fr 5fr 3.5fr;grid-template-rows:auto 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::-webkit-scrollbar-thumb:hover{background:#94a3b8}.studio-sidebar{width:280px;background-color:var(--color-bg);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0;padding:28px 20px;justify-content:space-between;z-index:10}.studio-sidebar-logo-area{display:flex;align-items:center;gap:12px;margin-bottom:32px}.studio-sidebar-logo-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:20px;box-shadow:0 4px 12px 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readerFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.reader-theme-label{font-size:11px;font-weight:700;color:#fff6;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}.reader-theme-options{display:flex;gap:8px}.reader-theme-option{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 8px;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:all .15s;background:transparent}.reader-theme-option:hover{background:#ffffff0d}.reader-theme-option.selected{border-color:#1877f2;background:#1877f214}.reader-theme-swatch{width:32px;height:32px;border-radius:50%;border:2px solid rgba(255,255,255,.15)}.reader-theme-name{font-size:10px;font-weight:600;color:#fff9}.reader-page.fullscreen .reader-topbar,.reader-page.fullscreen .reader-bottombar{opacity:0;pointer-events:none;transition:opacity .3s}.reader-page.fullscreen:hover .reader-topbar,.reader-page.fullscreen:hover .reader-bottombar{opacity:1;pointer-events:auto}@media(max-width:640px){.reader-viewport{padding:8px}.reader-topbar{padding:8px 12px}.reader-bottombar{padding:8px 12px;gap:8px}.reader-book-title{font-size:13px}.reader-action-btn{width:34px;height:34px}.reader-theme-panel{right:8px;left:8px;min-width:auto}}.subscription-page{padding-bottom:var(--space-12)}.sub-hero{background:linear-gradient(180deg,rgba(var(--color-primary-rgb),.05) 0%,transparent 100%);padding:var(--space-12) 0 var(--space-8);text-align:center}.sub-title{font-size:2.5rem;font-weight:900;color:var(--color-text);margin-bottom:var(--space-4)}.sub-subtitle{font-size:1.1rem;color:var(--color-text-muted);max-width:600px;margin:0 auto var(--space-8);line-height:1.6}.sub-billing-toggle{display:inline-flex;align-items:center;gap:var(--space-4);background:var(--color-surface);padding:var(--space-2) var(--space-4);border-radius:100px;box-shadow:0 4px 6px -1px #0000000d;border:1px solid var(--color-border)}.toggle-label{font-weight:600;color:var(--color-text-muted);font-size:.95rem;transition:color .2s;display:flex;align-items:center;gap:var(--space-2)}.toggle-label.active{color:var(--color-primary)}.badge-discount{background:#10b981;color:#fff;font-size:.75rem;padding:2px 8px;border-radius:100px;font-weight:700}.toggle-switch{width:52px;height:28px;background:var(--color-border);border-radius:100px;border:none;position:relative;cursor:pointer;transition:background .3s;padding:0}.toggle-switch.on{background:var(--color-primary)}.toggle-knob{width:22px;height:22px;background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0000001a}.toggle-switch.on .toggle-knob{transform:translate(24px)}.sub-pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-6);margin-top:-var(--space-4);align-items:stretch}.sub-card{background:var(--color-surface);border:1px 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.material-symbols-outlined{color:#10b981;font-size:20px;margin-top:2px}.feat-item.exc{color:var(--color-text-muted);opacity:.6}.feat-item.exc .material-symbols-outlined{font-size:20px;margin-top:2px}.sub-action{margin-top:auto}.sub-faq-preview{margin-top:var(--space-16);padding-top:var(--space-8)}.sub-faq-preview h3{text-align:center;font-size:2rem;font-weight:800;margin-bottom:var(--space-8)}.faq-accordion{max-width:800px;margin:0 auto;border-top:1px solid var(--color-border)}.faq-item{border-bottom:1px solid var(--color-border)}.faq-question{width:100%;text-align:left;background:none;border:none;padding:var(--space-4) 0;font-size:1.1rem;font-weight:600;color:var(--color-text);display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:color .2s}.faq-question:hover{color:var(--color-primary)}.faq-icon{font-size:1.2rem;color:var(--color-text-muted);transition:transform .3s}.faq-item.open 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p{color:#64748b;margin-bottom:40px}.sp-topup-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;max-width:800px;margin:0 auto}.sp-topup-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:16px}.sp-topup-card.popular{border-color:#1877f2;background:#f0fdf4;background:#1877f205}.sp-topup-credits{font-size:20px;font-weight:700;display:flex;align-items:center;gap:8px;color:#1877f2}.sp-topup-price{font-size:24px;font-weight:800;color:#0f172a}.sp-topup-btn{width:100%;padding:10px;border-radius:8px;border:none;background:#f1f5f9;color:#0f172a;font-weight:600;cursor:pointer;transition:background .2s}.sp-topup-btn:hover{background:#e2e8f0}.sp-topup-card.popular .sp-topup-btn{background:#1877f2;color:#fff}.sp-topup-card.popular .sp-topup-btn:hover{background:#1664d9}.sp-checkout-box{max-width:450px;margin:0 auto;background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:30px;box-shadow:0 4px 20px #0000000d}.sp-checkout-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.sp-checkout-header h2{font-size:22px}.sp-checkout-header button{background:none;border:none;color:#64748b;cursor:pointer}.sp-checkout-summary{display:flex;justify-content:space-between;align-items:center;padding:16px;background:#f8fafc;border-radius:10px;margin-bottom:16px}.sp-checkout-item-name{font-weight:600;font-size:16px}.sp-checkout-item-price{font-weight:700;font-size:18px;color:#1877f2}.sp-checkout-desc{color:#64748b;font-size:14px;line-height:1.5;margin-bottom:24px}.sp-pay-btn{width:100%;padding:16px;background:#1877f2;color:#fff;border:none;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer}.sp-pay-btn.loading{opacity:.7;cursor:not-allowed}@media(max-width:768px){.sp-header{padding:16px 20px}.sp-title{font-size:32px}}