:root{--color-bg: #F5F5F7;--color-card-bg: rgba(255, 255, 255, .85);--color-card-border: rgba(0, 0, 0, .08);--color-card-shadow: 0 12px 32px rgba(0, 0, 0, .04), 0 2px 6px rgba(0, 0, 0, .02);--color-text-primary: #1D1D1F;--color-text-secondary: #86868B;--color-text-tertiary: #A1A1A6;--color-apple-blue: #0071E3;--color-apple-blue-hover: #0077ED;--color-apple-blue-light: rgba(0, 113, 227, .08);--color-pill-bg: rgba(0, 0, 0, .04);--color-divider: rgba(0, 0, 0, .06);--font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono: SFMono-Regular, Menloc, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--transition-fast: .2s cubic-bezier(.16, 1, .3, 1);--transition-smooth: .4s cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body.apple-theme{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.glass-panel{background:var(--color-card-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-card-border);box-shadow:var(--color-card-shadow);border-radius:var(--radius-lg)}.app-header{position:sticky;top:0;z-index:100;background:#f5f5f7d9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-divider);padding:12px 24px}.header-container{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px;color:var(--color-text-primary)}.brand-logo{display:flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--color-text-primary);color:#fff;border-radius:9px}.brand-badge{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;background:var(--color-pill-bg);color:var(--color-text-secondary);padding:3px 8px;border-radius:var(--radius-full)}.step-indicator{display:flex;align-items:center;gap:12px}.step-item{display:flex;align-items:center;gap:8px;opacity:.4;transition:var(--transition-fast)}.step-item.active{opacity:1}.step-item.completed .step-num{background:#34c759;color:#fff}.step-num{width:26px;height:26px;border-radius:50%;background:#00000014;color:var(--color-text-primary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:var(--transition-fast)}.step-item.active .step-num{background:var(--color-apple-blue);color:#fff}.step-label{font-size:13px;font-weight:500}.step-divider{width:24px;height:1px;background:var(--color-card-border)}.btn-ghost{background:transparent;border:none;font-size:13px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;padding:6px 12px;border-radius:var(--radius-sm);transition:var(--transition-fast)}.btn-ghost:hover{background:#0000000a;color:var(--color-text-primary)}.app-main{flex:1;padding:40px 20px 120px}.container{max-width:980px;margin:0 auto;position:relative}.step-header{margin-bottom:32px}.text-center{text-align:center}.step-pill{display:inline-block;font-size:12px;font-weight:600;color:var(--color-apple-blue);background:var(--color-apple-blue-light);padding:4px 12px;border-radius:var(--radius-full);margin-bottom:12px}.step-title{font-size:36px;font-weight:700;letter-spacing:-.8px;color:var(--color-text-primary);margin-bottom:8px}.step-subtitle{font-size:17px;color:var(--color-text-secondary);max-width:580px;margin:0 auto;line-height:1.45}.wizard-step{display:none;opacity:0;transform:translateY(12px);transition:opacity .35s ease,transform .35s ease}.wizard-step.step-active{display:block;opacity:1;transform:translateY(0)}.channel-card{padding:16px 24px;margin-bottom:28px;display:flex;align-items:center;justify-content:center}.channel-info{display:flex;align-items:center;gap:16px}.channel-avatar{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid #FFF;box-shadow:0 4px 12px #00000014}.channel-meta h2{font-size:18px;font-weight:700;color:var(--color-text-primary)}.channel-meta p{font-size:13px;color:var(--color-text-secondary)}.channel-search-box{display:flex;align-items:center;gap:10px;flex:1;max-width:480px}.input-wrapper{position:relative;flex:1;display:flex;align-items:center}.input-wrapper svg{position:absolute;left:14px;color:var(--color-text-tertiary)}.input-wrapper input{width:100%;padding:12px 14px 12px 42px;font-family:var(--font-family);font-size:14px;border:1px solid var(--color-card-border);border-radius:var(--radius-md);background:#ffffffe6;outline:none;transition:var(--transition-fast)}.input-wrapper input:focus{border-color:var(--color-apple-blue);box-shadow:0 0 0 3px var(--color-apple-blue-light)}.btn-secondary{padding:12px 20px;font-family:var(--font-family);font-size:14px;font-weight:600;color:var(--color-text-primary);background:#0000000d;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);display:inline-flex;align-items:center;gap:8px}.btn-secondary:hover{background:#00000017}.status-msg{padding:14px 20px;border-radius:var(--radius-md);font-size:14px;margin-bottom:24px;display:flex;align-items:center;gap:10px}.status-msg.info{background:#0071e314;color:var(--color-apple-blue)}.status-msg.error{background:#ff3b3014;color:#ff3b30}.hidden{display:none!important}.video-list{display:flex;flex-direction:column;gap:12px;max-width:780px;margin:0 auto}.video-list-item{background:var(--color-card-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--color-card-border);border-radius:var(--radius-md);padding:10px 16px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:var(--transition-fast)}.video-list-item:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0000000d}.video-list-item.selected{border:2px solid var(--color-apple-blue);background:#fff;box-shadow:0 0 0 3px var(--color-apple-blue-light),0 8px 20px #0000000d}.video-thumb-container{width:130px;height:73px;border-radius:var(--radius-sm);overflow:hidden;position:relative;background:#e5e5ea;flex-shrink:0}.video-thumbnail{width:100%;height:100%;object-fit:cover}.video-latest-badge{position:absolute;top:5px;left:5px;background:var(--color-apple-blue);color:#fff;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:2px 6px;border-radius:var(--radius-full)}.video-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.video-title{font-size:14px;font-weight:600;line-height:1.35;color:var(--color-text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-meta{font-size:12px;color:var(--color-text-secondary);display:flex;align-items:center;gap:8px}.video-select-check{width:24px;height:24px;border-radius:50%;background:#0000000a;border:1px solid var(--color-card-border);display:flex;align-items:center;justify-content:center;color:transparent;flex-shrink:0;transition:var(--transition-fast)}.video-list-item.selected .video-select-check{background:var(--color-apple-blue);color:#fff;border-color:var(--color-apple-blue)}.video-list-item.locked{opacity:.65;cursor:not-allowed;background:#fafafab3}.video-list-item.locked:hover{transform:none;box-shadow:none}.thumb-lock-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#00000059;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;color:#fff}.locked-text-tag{color:#8e8e93;font-weight:500}.locked-over-tag{color:#ff3b30;font-weight:600}.unlocked-tag{color:#34c759;font-weight:600}.video-duration-badge{position:absolute;bottom:4px;right:4px;background:#000000bf;color:#fff;font-size:10px;font-weight:600;padding:2px 5px;border-radius:4px;font-family:var(--font-mono)}.locked-check{color:#a1a1a6!important;background:#0000000d!important}.skeleton-card{height:93px;background:linear-gradient(90deg,#eaeaea 25%,#f5f5f5,#eaeaea 75%);background-size:200% 100%;animation:skeletonLoading 1.5s infinite;border-radius:var(--radius-md)}.skeleton-card{height:260px;background:linear-gradient(90deg,#eaeaea 25%,#f5f5f5,#eaeaea 75%);background-size:200% 100%;animation:skeletonLoading 1.5s infinite;border-radius:var(--radius-lg)}.channel-avatar-skeleton{width:56px;height:56px;border-radius:50%;background:linear-gradient(90deg,#eaeaea 25%,#f5f5f5,#eaeaea 75%);background-size:200% 100%;animation:skeletonLoading 1.5s infinite}.channel-name-skeleton{width:140px;height:18px;background:#eaeaea;border-radius:4px;margin-bottom:6px}.channel-sub-skeleton{width:90px;height:13px;background:#eaeaea;border-radius:4px}@keyframes skeletonLoading{0%{background-position:200% 0}to{background-position:-200% 0}}.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:10px}.platform-card{padding:24px;cursor:pointer;transition:var(--transition-fast);text-align:center;position:relative;display:flex;flex-direction:column;align-items:center}.platform-card input[type=radio]{display:none}.platform-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px #00000014}.platform-card.active{border:2px solid var(--color-apple-blue);background:#fff;box-shadow:0 0 0 4px var(--color-apple-blue-light),0 16px 36px #0000000f}.platform-preview{background:#111;border-radius:var(--radius-md);margin-bottom:20px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:inset 0 0 12px #00000080}.ratio-9-16{width:100px;height:178px}.ratio-16-9{width:190px;height:107px}.ratio-1-1{width:135px;height:135px}.frame-content{width:85%;height:85%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.fake-video-lines{width:100%;height:40%;background:linear-gradient(135deg,#ffffff1a,#ffffff40);border-radius:6px}.fake-subtitles{color:#ffde47;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;text-shadow:0 2px 4px rgba(0,0,0,.8)}.platform-details{display:flex;flex-direction:column;align-items:center;gap:4px}.platform-badge{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--color-apple-blue);background:var(--color-apple-blue-light);padding:3px 8px;border-radius:var(--radius-full);margin-bottom:4px}.platform-name{font-size:16px;font-weight:700}.platform-ratio{font-size:13px;color:var(--color-text-secondary)}.preset-preview-box{padding:32px 24px;margin-bottom:32px;background:#0f172a;color:#fff;border-radius:var(--radius-xl);position:relative;overflow:hidden;box-shadow:0 20px 40px #0003}.preview-tag{font-size:11px;letter-spacing:1px;color:#ffffff80;margin-bottom:16px}.preview-stage{font-size:32px;font-weight:900;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;min-height:60px}.preview-word{transition:all .2s ease}.preset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.preset-card{padding:20px;cursor:pointer;transition:var(--transition-fast);border-radius:var(--radius-lg);display:flex;flex-direction:column;justify-content:space-between;gap:12px}.preset-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px #00000014}.preset-card.active{border:2px solid var(--color-apple-blue);background:#fff;box-shadow:0 0 0 4px var(--color-apple-blue-light)}.preset-header-meta{display:flex;align-items:center;justify-content:space-between}.preset-name{font-size:16px;font-weight:700}.preset-font-tag{font-size:11px;color:var(--color-text-secondary);background:var(--color-pill-bg);padding:2px 8px;border-radius:var(--radius-sm)}.preset-sample-text{font-size:18px;padding:10px 14px;border-radius:var(--radius-md);text-align:center;background:#0f172ae6;color:#fff}.customization-layout{display:grid;grid-template-columns:1fr 300px;gap:24px}.settings-panel{padding:28px}.setting-group{margin-bottom:20px}.setting-header{display:flex;align-items:center;justify-content:space-between;gap:16px}.setting-title{font-size:16px;font-weight:600;color:var(--color-text-primary);margin-bottom:4px}.setting-desc{font-size:13px;color:var(--color-text-secondary);line-height:1.4}.toggle-switch{position:relative;display:inline-block;width:50px;height:30px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#e5e5ea;transition:.3s;border-radius:34px}.slider:before{position:absolute;content:"";height:26px;width:26px;left:2px;bottom:2px;background-color:#fff;transition:.3s;border-radius:50%;box-shadow:0 2px 5px #0003}input:checked+.slider{background-color:#34c759}input:checked+.slider:before{transform:translate(20px)}.sub-settings{margin-top:18px;padding:16px;background:#00000005;border-radius:var(--radius-md);border:1px solid var(--color-divider)}.form-row{margin-bottom:14px}.form-row:last-child{margin-bottom:0}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--color-text-secondary);margin-bottom:6px}.select-input,.text-input{width:100%;padding:10px 12px;font-family:var(--font-family);font-size:14px;border:1px solid var(--color-card-border);border-radius:var(--radius-sm);background:#fff;outline:none}.color-swatches{display:flex;align-items:center;gap:10px}.color-swatch{width:32px;height:32px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:var(--transition-fast)}.color-swatch:hover{transform:scale(1.1)}.color-swatch.active{border-color:var(--color-text-primary);box-shadow:0 0 0 2px #0003}.divider{border:none;border-top:1px solid var(--color-divider);margin:24px 0}.range-input{width:100%}.range-val{font-size:12px;color:var(--color-text-secondary);margin-top:4px;display:block}.mockup-panel{padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center}.mockup-phone{width:220px;height:400px;background:#000;border-radius:36px;border:6px solid #222;box-shadow:0 20px 40px #00000026;padding:10px;position:relative;overflow:hidden}.mockup-screen{width:100%;height:100%;background:linear-gradient(180deg,#1e293b,#0f172a);border-radius:26px;position:relative;overflow:hidden}.mockup-subtitles{position:absolute;left:10px;right:10px;top:78%;transform:translateY(-50%);font-size:15px;font-weight:800;color:#fff;text-align:center;transition:top .2s ease,transform .2s ease;line-height:1.3}.mockup-progress-bar{position:absolute;bottom:0;left:0;width:60%;height:8px;background:#25abaa;border-radius:4px;transition:all .2s ease}.mockup-caption{font-size:12px;color:var(--color-text-secondary);margin-top:14px}.summary-strip{padding:14px 24px;margin-bottom:28px;display:flex;align-items:center;justify-content:center;gap:20px;max-width:780px;margin-left:auto;margin-right:auto;font-size:14px}.strip-item{display:flex;align-items:center;gap:6px}.strip-label{color:var(--color-text-secondary)}.strip-val{font-weight:600;color:var(--color-text-primary);max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.strip-divider{width:1px;height:16px;background:var(--color-divider)}.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}@media (max-width: 900px){.pricing-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 550px){.pricing-grid{grid-template-columns:1fr}}.pricing-card{padding:22px 18px;border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-fast);display:flex;flex-direction:column;justify-content:space-between;position:relative;background:var(--color-card-bg);border:1px solid var(--color-card-border)}.pricing-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px #00000014}.pricing-card.active{border:2px solid var(--color-apple-blue);background:#fff;box-shadow:0 0 0 4px var(--color-apple-blue-light),0 16px 36px #0000000f}.plan-header{margin-bottom:16px}.plan-badge{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.5px;padding:3px 8px;border-radius:var(--radius-full);margin-bottom:8px}.badge-free{background:#34c7591f;color:#34c759}.badge-popular{background:var(--color-apple-blue-light);color:var(--color-apple-blue)}.badge-best{background:#af52de1f;color:#af52de}.badge-auto{background:#ff95001f;color:#ff9500}.plan-title{font-size:17px;font-weight:700;color:var(--color-text-primary);margin-bottom:6px}.plan-price{font-size:26px;font-weight:800;color:var(--color-text-primary)}.price-period{font-size:12px;font-weight:500;color:var(--color-text-secondary)}.plan-features{list-style:none;margin-bottom:20px;display:flex;flex-direction:column;gap:10px}.plan-features li{font-size:12px;color:var(--color-text-secondary);display:flex;align-items:center;gap:8px;line-height:1.3}.plan-action-btn{font-family:var(--font-family);font-size:13px;font-weight:600;padding:10px 14px;border-radius:var(--radius-md);text-align:center;border:none;cursor:pointer;transition:var(--transition-fast);width:100%}.btn-free-action{background:#34c75924;color:#248a3d}.btn-free-action:hover{background:#34c759;color:#fff;transform:translateY(-1px)}.btn-creator-action{background:var(--color-apple-blue-light);color:var(--color-apple-blue)}.btn-creator-action:hover{background:var(--color-apple-blue);color:#fff;transform:translateY(-1px)}.btn-pro-action{background:#af52de24;color:#8e24aa}.btn-pro-action:hover{background:#af52de;color:#fff;transform:translateY(-1px)}.btn-enterprise-action{background:#ff950024;color:#d35400}.btn-enterprise-action:hover{background:#ff9500;color:#fff;transform:translateY(-1px)}.payload-target{font-size:11px;background:#ffffff1a;color:#38bdf8;padding:3px 8px;border-radius:var(--radius-sm)}.payload-code{font-family:var(--font-mono);font-size:12px;line-height:1.5;color:#38bdf8;white-space:pre-wrap;word-break:break-word;overflow-y:auto;max-height:340px;flex:1}.app-footer{position:fixed;bottom:0;left:0;right:0;z-index:100;background:#ffffffe0;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--color-divider);padding:16px 24px}.footer-container{max-width:980px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.step-indicator-text{font-size:13px;font-weight:600;color:var(--color-text-secondary)}.btn-primary{padding:12px 24px;font-family:var(--font-family);font-size:15px;font-weight:600;color:#fff;background:var(--color-apple-blue);border:none;border-radius:var(--radius-full);cursor:pointer;transition:var(--transition-fast);display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 14px #0071e34d}.btn-primary:hover{background:var(--color-apple-blue-hover);transform:translateY(-1px);box-shadow:0 6px 18px #0071e366}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}@media (max-width: 850px){.app-header{padding:12px 16px}.header-container{flex-wrap:wrap;gap:10px}.brand-name{font-size:16px}.brand-badge{display:none}.step-indicator{gap:6px}.step-pill-num{width:24px;height:24px;font-size:11px}.step-label{display:none}.step-title{font-size:26px}.step-subtitle{font-size:14px}.platform-grid{grid-template-columns:1fr;gap:12px}.customization-layout{grid-template-columns:1fr;gap:20px}.mockup-panel{display:flex;order:-1;padding:16px}.phone-frame{width:210px;height:360px}.summary-strip{flex-direction:column;align-items:flex-start;gap:8px;padding:14px 18px}.strip-divider{display:none}.strip-val{max-width:100%;white-space:normal}.pricing-grid{grid-template-columns:1fr;gap:16px}}@media (max-width: 520px){.app-main{padding:24px 14px 110px}.video-list-item{padding:10px;gap:10px}.video-thumb-container{width:105px;height:64px}.video-title{font-size:13px;line-height:1.3;max-height:2.6em;-webkit-line-clamp:2}.video-meta{font-size:11px;gap:4px;flex-wrap:wrap}.video-select-check{width:22px;height:22px}.preset-grid{grid-template-columns:repeat(2,1fr);gap:10px}.preset-card{padding:14px}.preset-name{font-size:13px}.preset-sample-text{font-size:18px}.app-footer{padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom))}.btn-primary{padding:10px 18px;font-size:14px;min-height:44px}.btn-secondary{padding:10px 14px;font-size:13px;min-height:44px}.step-indicator-text{font-size:12px}}