html,body{background-color:var(--apple-bg,#f8f9fa);width:100%;max-width:100vw;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}#root{width:100%;min-height:100vh}:root{--apple-bg:#f5f5f7;--apple-card-bg:#ffffffb3;--apple-card-border:#ffffff4d;--apple-text-main:#1d1d1f;--apple-text-muted:#86868b;--apple-primary:#8b5cf6;--apple-primary-hover:#7c3aed;--brand-gradient:linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);--brand-gradient-hover:linear-gradient(135deg, #7c3aed 0%, #2563eb 100%);--apple-danger:#ff3b30;--apple-success:#34c759;--apple-shadow-sm:0 2px 8px #0000000a;--apple-shadow-md:0 8px 24px #00000014;--apple-shadow-lg:0 20px 40px #0000001f;--apple-radius-sm:12px;--apple-radius-md:24px;--apple-radius-lg:32px;--apple-radius-pill:9999px;--apple-transition:all .4s cubic-bezier(.25, 1, .5, 1);--glass-blur:blur(20px);--skeleton-bg:#0000000f;--glow-color:#0071e31a;--glow-shadow:none;--grid-color:#00000009}.dark-theme{--apple-bg:#0b0f19;--apple-card-bg:#141923b3;--apple-card-border:#ffffff14;--apple-text-main:#f5f5f7;--apple-text-muted:#86868b;--apple-primary:#a78bfa;--apple-primary-hover:#c4b5fd;--brand-gradient:linear-gradient(135deg, #a78bfa 0%, #60a5fa 100%);--brand-gradient-hover:linear-gradient(135deg, #c4b5fd 0%, #93c5fd 100%);--apple-shadow-md:0 8px 24px #0006;--apple-shadow-lg:0 20px 40px #0009;--skeleton-bg:#ffffff14;--glow-color:#8b5cf640;--glow-shadow:0 0 15px #8b5cf61f, 0 0 30px #3b82f60f;--grid-color:#ffffff05}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--apple-bg);color:var(--apple-text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,Inter,sans-serif;line-height:1.5;transition:background-color .4s,color .4s;position:relative;overflow-x:hidden}body:after,.dark-theme:after{display:none}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex-direction:column;flex:1;gap:32px;width:100%;max-width:1000px;margin:0 auto;padding:40px 20px;display:flex}@media (width<=768px){.main-content{gap:24px;padding:24px 16px}}.app-header{z-index:100;background:var(--apple-card-bg);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--apple-card-border);transition:var(--apple-transition);justify-content:space-between;align-items:center;padding:16px 32px;display:flex;position:sticky;top:0}.dark-theme .app-header:after{content:"";background:var(--brand-gradient);width:100%;height:1px;animation:3s ease-in-out infinite neon-breath;position:absolute;bottom:0;left:0}@media (width<=768px){.app-header{padding:12px 20px}}.app-features{background:var(--apple-card-bg);-webkit-backdrop-filter:var(--glass-blur);border-top:1px solid var(--apple-card-border);transition:var(--apple-transition);margin-top:auto;padding:48px 0;position:relative}.dark-theme .app-features:before{content:"";background:var(--brand-gradient);width:100%;height:1px;animation:3s ease-in-out infinite neon-breath;position:absolute;top:0;left:0}@keyframes neon-breath{0%,to{opacity:.4;box-shadow:0 0 4px var(--apple-primary)}50%{opacity:.9;box-shadow:0 0 12px var(--apple-primary)}}.apple-card{background:var(--apple-card-bg);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--apple-radius-md);box-shadow:var(--apple-shadow-md), var(--glow-shadow);border:1px solid var(--glow-color);transition:var(--apple-transition);padding:32px}.apple-card:hover{box-shadow:var(--apple-shadow-lg), 0 0 25px #8b5cf640;border-color:var(--apple-primary);transform:translateY(-2px)}@media (width<=768px){.apple-input-wrapper{flex-direction:column;gap:12px}.apple-input-wrapper button.apple-btn{width:100%;height:48px}.hero-title{font-size:26px!important}.platform-tag{padding:6px 12px;font-size:14px}.format-carousel{gap:8px}}.apple-btn{background:var(--brand-gradient);color:#fff;border-radius:var(--apple-radius-pill);cursor:pointer;transition:var(--apple-transition);border:none;justify-content:center;align-items:center;padding:12px 24px;font-size:16px;font-weight:600;display:inline-flex;box-shadow:0 4px 14px #8b5cf64d}.apple-btn:hover:not(:disabled){background:var(--brand-gradient-hover);transform:scale(1.03);box-shadow:0 6px 20px #0071e366}.apple-btn:active:not(:disabled){transform:scale(.97)}.apple-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.apple-input-wrapper{width:100%;position:relative}.apple-input{background:var(--apple-card-bg);border:1px solid var(--glow-color);width:100%;color:var(--apple-text-main);border-radius:var(--apple-radius-pill);box-shadow:var(--glow-shadow);transition:var(--apple-transition);padding:18px 24px;font-size:16px;font-weight:500}.apple-input:focus{border-color:var(--apple-primary);outline:none;box-shadow:0 0 18px #8b5cf659}.skeleton-box{background:var(--skeleton-bg);border-radius:8px;animation:1.8s ease-in-out infinite skeleton-pulse}@keyframes skeleton-pulse{0%,to{opacity:.6}50%{opacity:1}}@keyframes scanUpDown{0%,to{opacity:.2;top:0}50%{opacity:1;top:100%}}.inline-message{border-radius:var(--apple-radius-pill);padding:8px 16px;font-size:14px;font-weight:500;animation:.4s cubic-bezier(.25,1,.5,1) fadeIn;display:inline-block}.inline-message.error{color:var(--apple-danger);background-color:#ff3b301a;border:1px solid #ff3b3033}.inline-message.success{color:var(--apple-success);background-color:#34c7591a;border:1px solid #34c75933}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#86868b4d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#86868b80}.format-carousel{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:12px;padding-bottom:8px;display:flex;overflow-x:auto}.history-overlay{z-index:999;-webkit-backdrop-filter:blur(4px);background:#0006;animation:.3s fadeIn;position:fixed;inset:0}.history-panel{background:var(--apple-card-bg);-webkit-backdrop-filter:blur(40px);border-left:1px solid var(--apple-card-border);z-index:1000;flex-direction:column;width:400px;max-width:100%;animation:.4s cubic-bezier(.25,1,.5,1) slideInRight;display:flex;position:fixed;top:0;bottom:0;right:0;box-shadow:-10px 0 30px #0003}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.history-header{border-bottom:1px solid var(--apple-card-border);justify-content:space-between;align-items:center;padding:24px;display:flex}.history-content{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.history-card-item{background:var(--apple-bg);border:1px solid var(--apple-card-border);border-radius:16px;flex-direction:column;gap:8px;padding:16px;transition:transform .3s,opacity .3s,margin .3s;display:flex;box-shadow:0 2px 8px #0000000d}.history-card-item.deleting{opacity:0;margin-bottom:-100px;transform:translate(-100%)}.copy-btn{color:var(--apple-primary);cursor:pointer;transition:var(--apple-transition);background:#8b5cf61a;border:none;border-radius:8px;padding:4px 12px;font-size:12px;font-weight:600}.copy-btn:hover{background:var(--brand-gradient);color:#fff}.bg-glow-blob{filter:blur(120px);opacity:.1;pointer-events:none;z-index:0;will-change:transform;border-radius:50%;width:500px;height:500px;animation:25s ease-in-out infinite alternate floatGlow;position:fixed;transform:translateZ(0)}.dark-theme .bg-glow-blob{opacity:.06;filter:blur(160px);width:650px;height:650px}.blob-purple{background:radial-gradient(circle,#8b5cf6 0%,#8b5cf600 70%);top:-100px;left:-100px}.blob-blue{background:radial-gradient(circle,#3b82f6 0%,#3b82f600 70%);animation-delay:-7s;bottom:-150px;right:-150px}@keyframes floatGlow{0%{transform:translate(0)scale(1)}50%{transform:translate(100px,60px)scale(1.1)}to{transform:translate(-50px,100px)scale(.95)}}.logo-text{background:var(--brand-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;display:inline-block}.hero-title{letter-spacing:-1.5px;background:var(--brand-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:8px;font-size:clamp(32px,5vw,44px);font-weight:800;display:inline-block;position:relative}.dark-theme .hero-title{text-shadow:0 0 40px #a78bfa40}.platform-tag{border-radius:var(--apple-radius-sm);border:1px solid var(--apple-card-border);transition:var(--apple-transition);cursor:default;color:var(--apple-text-main);background:#86868b0d;align-items:center;gap:8px;padding:8px 18px;font-size:15px;display:flex}.platform-tag:hover{background:var(--apple-card-bg);transform:translateY(-2px)scale(1.05)}.platform-tag.tag-douyin:hover,.platform-tag.tag-tiktok:hover{border-color:#8b5cf666;box-shadow:0 0 15px #8b5cf640}.platform-tag.tag-bilibili:hover{color:#00aeec;border-color:#00aeec66;box-shadow:0 0 15px #00aeec40}.platform-tag.tag-youtube:hover{color:red;border-color:#f006;box-shadow:0 0 15px #ff000040}.apple-input:focus{border-color:var(--apple-primary);background-color:var(--apple-card-bg);animation:4s ease-in-out infinite alternate glowPulse;box-shadow:0 0 0 4px #8b5cf61f,0 0 20px #3b82f62e}@keyframes glowPulse{0%{box-shadow:0 0 0 4px #8b5cf61f,0 0 20px #3b82f62e}to{box-shadow:0 0 0 4px #ec489929,0 0 30px #8b5cf64d}}.app-container{box-sizing:border-box!important;width:100%!important;max-width:100vw!important;overflow-x:hidden!important}.main-content{box-sizing:border-box!important;flex-direction:column!important;gap:32px!important;width:100%!important;max-width:1200px!important;margin:0 auto!important;padding:40px 15px 60px!important;display:flex!important;overflow-x:hidden!important}input,button,img,video{box-sizing:border-box!important;max-width:100%!important}p,h1,h2,h3,div{word-wrap:break-word!important;white-space:normal!important}.hero-input-container{box-sizing:border-box;flex:280px;height:52px;position:relative}.empty-state{gap:32px;padding:100px 20px}@media (width<=768px){.hero-input-container{flex:none!important;width:100%!important}.hide-on-mobile{display:none!important}.hero-input{padding-left:20px!important}.empty-state{gap:16px!important;padding:24px 20px!important}.hero-section{margin-bottom:24px!important}}@keyframes pulse-dot{0%{transform:scale(.95);box-shadow:0 0 #34c759b3}70%{transform:scale(1.1);box-shadow:0 0 0 6px #34c75900}to{transform:scale(.95);box-shadow:0 0 #34c75900}}.app-header{height:60px!important;padding:0 32px!important}@media (width<=768px){.app-header{padding:0 20px!important}}
