@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");:root{--bg-body:#fafafa;--bg-sidebar:#fff;--bg-card:#fff;--primary:#ff2442;--primary-hover:#ff4d6a;--primary-active:#d91c36;--primary-light:#fff0f2;--primary-fade:rgba(255,36,66,.08);--text-main:#0f172a;--text-sub:#475569;--text-secondary:#64748b;--text-placeholder:#94a3b8;--text-muted:#cbd5e1;--border-color:#e2e8f0;--border-hover:#cbd5e1;--border-active:#94a3b8;--radius-xl:24px;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--radius-xs:6px;--shadow-xs:0 1px 2px 0 rgba(0,0,0,.05);--shadow-sm:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--shadow-hover:0 16px 48px rgba(0,0,0,.08);--sidebar-width:260px;--sidebar-collapsed-width:80px;--header-height:64px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--primary-color:var(--primary);--bg-color:var(--bg-card);--secondary-color:var(--primary)}[data-theme=dark]{--bg-body:#0f172a;--bg-sidebar:#1e293b;--bg-card:#1e293b;--primary:#ff2442;--primary-hover:#ff4d6a;--primary-active:#d91c36;--primary-light:rgba(255,36,66,.15);--primary-fade:rgba(255,36,66,.1);--text-main:#f1f5f9;--text-sub:#cbd5e1;--text-secondary:#94a3b8;--text-placeholder:#64748b;--text-muted:#475569;--border-color:#334155;--border-hover:#475569;--border-active:#64748b;--shadow-xs:0 1px 2px 0 rgba(0,0,0,.3);--shadow-sm:0 1px 3px 0 rgba(0,0,0,.4),0 1px 2px -1px rgba(0,0,0,.4);--shadow-md:0 4px 6px -1px rgba(0,0,0,.4),0 2px 4px -2px rgba(0,0,0,.4);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.4),0 4px 6px -4px rgba(0,0,0,.4);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.4),0 8px 10px -6px rgba(0,0,0,.4);--shadow-hover:0 16px 48px rgba(0,0,0,.3)}*{margin:0;padding:0;box-sizing:border-box}body,html{font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;background-color:var(--bg-body);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}#__next{height:100%;display:flex;flex-direction:row;min-height:100vh;width:100%;position:relative}.layout-sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);height:100vh;position:fixed;left:0;top:0;border-right:1px solid var(--border-color);padding:var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;z-index:100;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.layout-sidebar.sidebar-collapsed{width:var(--sidebar-collapsed-width);padding:var(--spacing-lg) var(--spacing-sm)}.layout-main{margin-left:var(--sidebar-width);flex:1 1;min-height:100vh;background:var(--bg-body);display:flex;flex-direction:column;position:relative;padding:0 0 80px;transition:margin-left .3s cubic-bezier(.4,0,.2,1)}.layout-main.main-collapsed{margin-left:var(--sidebar-collapsed-width)}.logo-area{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl);padding-left:var(--spacing-sm);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.sidebar-collapsed .logo-area{justify-content:center;padding-left:0;margin-bottom:var(--spacing-xl)}.logo-text-group{display:flex;align-items:center;gap:var(--spacing-sm)}.logo-icon-img{width:48px;height:48px;object-fit:contain;flex-shrink:0;transition:transform .3s ease}.logo-icon-img:hover{transform:scale(1.05)}.logo-text-red{font-size:20px;font-weight:700;color:var(--text-main);letter-spacing:-.02em;margin:0;padding:0;line-height:1.2;background:linear-gradient(135deg,var(--primary) 0,#ff5c72 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.toggle-switch{position:relative;display:inline-block;width:40px;height:20px;margin-left:auto}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.3s;border-radius:20px}.toggle-slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:#fff;transition:.3s;border-radius:50%}.toggle-switch input:checked+.toggle-slider{background-color:#ff2442}.toggle-switch input:checked+.toggle-slider:before{transform:translateX(20px)}.collapse-btn{position:absolute;top:20px;right:12px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:hsla(0,0%,100%,.8);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;color:#666;transition:all .2s ease;z-index:10}.collapse-btn:hover{background:#fff;color:var(--primary);border-color:var(--primary)}.collapse-btn-inline{position:absolute;top:0;right:0;width:32px;height:32px;margin:0}.sidebar-collapsed .collapse-btn{position:static;width:100%;margin:0 auto 24px;transform:none}.nav-menu{display:flex;flex-direction:column;gap:var(--spacing-xs);padding:var(--spacing-sm) 0}.nav-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-md);border-radius:var(--radius-md);color:var(--text-sub);text-decoration:none;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);font-size:15px;position:relative;border:1px solid transparent}.sidebar-collapsed .nav-item{justify-content:center;padding:var(--spacing-md)}.nav-icon{width:20px;height:20px;flex-shrink:0;display:block;transition:transform .2s ease}.nav-item:hover .nav-icon{transform:scale(1.1)}.nav-text{white-space:nowrap;transition:opacity .2s ease,color .2s ease}.sidebar-collapsed .nav-text{opacity:0;width:0;overflow:hidden}.nav-item:hover{background:rgba(255,36,66,.06);color:var(--primary);border-color:rgba(255,36,66,.1)}.nav-item.active{background:var(--primary-fade);color:var(--primary);border-color:rgba(255,36,66,.2);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--primary);border-radius:0 3px 3px 0}.sidebar-collapsed .nav-item:hover:after{content:attr(data-title);position:absolute;left:100%;margin-left:12px;padding:6px 12px;background:#333;color:#fff;border-radius:4px;font-size:12px;white-space:nowrap;z-index:1000;pointer-events:none}.user-card{background:#fff;border-radius:12px;padding:16px;margin-top:auto;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);position:relative;transition:all .3s ease}.sidebar-collapsed .user-card{padding:12px}.user-info{display:flex;align-items:center;gap:12px;margin-bottom:16px}.sidebar-collapsed .user-info{justify-content:center;margin-bottom:0}.user-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;flex-shrink:0;background:#9333ea;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s}.user-avatar:hover{transform:scale(1.05)}.user-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#fff}.user-details{flex:1 1;min-width:0}.user-name{font-size:14px;font-weight:600;color:#000;margin-bottom:4px}.user-id,.user-points{font-size:12px;color:#666;display:flex;align-items:center;gap:6px;margin-bottom:4px}.copy-btn{background:none;border:none;padding:0;cursor:pointer;color:#999;display:flex;align-items:center;transition:color .2s}.copy-btn:hover{color:#666}.user-menu{display:flex;flex-direction:column;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid #f0f0f0}.menu-item{display:flex;align-items:center;gap:10px;padding:8px 12px;font-size:13px;color:#666;cursor:pointer;border-radius:6px;transition:all .2s}.menu-item svg{color:#999;flex-shrink:0}.menu-item:hover{background:#f9f9f9;color:#333}.menu-item:hover svg{color:#666}.user-popup{position:fixed;bottom:0;left:0;right:0;background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.15);z-index:1000;animation:popupSlideUp .2s ease-out;overflow:hidden;width:var(--sidebar-width);transition:width .3s ease,left .3s ease}@keyframes popupSlideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.popup-header{gap:12px;padding:16px}.popup-avatar,.popup-header{display:flex;align-items:center}.popup-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;background:#9333ea;justify-content:center}.popup-avatar img{width:100%;height:100%;object-fit:cover}.popup-user-info{flex:1 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16px;background:#ff2442;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.sidebar-collapsed .login-btn{padding:12px}.login-btn:hover{background:#ff4d6a}.upgrade-btn{width:100%;padding:12px 16px;background:#ff2442;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:16px;transition:all .2s}.sidebar-collapsed .upgrade-btn{padding:12px}.upgrade-btn:hover{background:#ff4d6a}.upgrade-btn svg{flex-shrink:0}.bottom-section,.login-section{margin-top:auto;margin-bottom:0}.bottom-section{display:flex;flex-direction:column;position:relative}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 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.2s cubic-bezier(.4,0,.2,1);border:none;outline:none;gap:var(--spacing-sm);-webkit-user-select:none;-moz-user-select:none;user-select:none;position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,#ff5c72 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);transition:left .5s}.btn-primary:hover{background:linear-gradient(135deg,#ff3b55,#ff7a8c);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:hover:before{left:100%}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;filter:grayscale(20%)}.btn-secondary{background:#fff;color:var(--text-main);border:1px solid var(--border-color);box-shadow:var(--shadow-xs)}.btn-secondary:hover:not(:disabled){background:var(--bg-body);border-color:var(--border-hover);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-secondary:active{transform:translateY(0);box-shadow:var(--shadow-xs)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.input{width:100%;padding:20px 32px;background:#fff;border:2px solid transparent;border-radius:100px;font-size:17px;color:var(--text-main);transition:all .3s ease;box-shadow:0 4px 16px rgba(0,0,0,.04)}.input:focus{border-color:var(--primary);background:#fff;box-shadow:0 8px 24px rgba(255,36,66,.12);outline:none}.input::placeholder{color:var(--text-placeholder);font-weight:400}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.tag{padding:10px 20px;background:#f7f8fa;border:1px solid transparent;border-radius:100px;font-size:14px;color:var(--text-sub);cursor:pointer;transition:all .2s ease;font-weight:500}.tag:hover{background:#fff;border-color:var(--primary);color:var(--primary);box-shadow:0 4px 12px rgba(255,36,66,.1);transform:translateY(-2px)}.tabs-container{display:flex;gap:24px;border-bottom:1px solid var(--border-color);margin-bottom:24px}.tab-item{padding:12px 4px;font-size:15px;font-weight:500;color:var(--text-sub);cursor:pointer;position:relative;transition:all .3s}.tab-item:hover{color:var(--text-main)}.tab-item.active{color:var(--primary);font-weight:600}.tab-item.active:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background:var(--primary);border-radius:2px 2px 0 0}.spinner{width:24px;height:24px;border-radius:50%;border:3px solid hsla(0,0%,100%,.3);border-top-color:#fff}.spinner,.spinner-sm{animation:spin 1s ease-in-out infinite}.spinner-sm{width:18px;height:18px;border-radius:50%;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff}@keyframes 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rgba(0,0,0,.08);transform:translateY(-2px)}.modal-fullscreen{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:999;display:flex;align-items:center;justify-content:center;padding:40px}.modal-body{background:#fff;width:100%;max-width:1000px;height:90vh;border-radius:16px;display:flex;flex-direction:column;overflow:hidden}.modal-header{padding:20px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.close-icon{background:none;border:none;font-size:24px;cursor:pointer}.hero-section{text-align:center;margin-bottom:50px;padding:30px 0;animation:fadeIn .6s ease-out}.hero-content{margin-bottom:36px}.brand-pill{display:inline-block;padding:6px 16px;background:rgba(255,36,66,.08);color:var(--primary);border-radius:100px;font-size:13px;font-weight:600;margin-bottom:20px;letter-spacing:.5px}.composer-container{background:#fff;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.08);padding:20px;width:100%;display:flex;flex-direction:column;gap:12px;border:1px solid var(--border-color);transition:all .3s ease}.composer-container:focus-within{box-shadow:0 8px 30px rgba(0,0,0,.12);border-color:var(--primary)}.composer-input-wrapper{position:relative;display:flex;align-items:flex-start;gap:12px}.search-icon-static{padding-top:8px;color:#999;flex-shrink:0}.composer-textarea{flex:1 1;border:none;outline:none;font-size:16px;line-height:1.6;resize:none;padding:8px 0;font-family:inherit;min-height:56px;max-height:300px;color:var(--text-main);background:transparent}.composer-textarea::placeholder{color:var(--text-placeholder)}.composer-toolbar{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid #f0f0f0}.toolbar-left{display:flex;gap:16px}.tool-btn{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#666;background:#f9f9f9;transition:all .2s;position:relative;border:none}.tool-btn:hover{background:#f0f0f0;color:var(--text-main)}.tool-btn.active{color:var(--primary);background:rgba(255,36,66,.08)}.badge-count{position:absolute;top:-6px;right:-6px;font-size:11px;min-width:18px;height:18px;border-radius:10px;justify-content:center;border:2px solid #fff}.badge-count,.generate-btn{background:var(--primary);color:#fff;display:flex;align-items:center;font-weight:600}.generate-btn{padding:10px 32px;height:44px;font-size:15px;border-radius:22px;border:none;cursor:pointer;transition:all .2s;gap:8px}.generate-btn:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,36,66,.2)}.generate-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.uploaded-images-preview{display:flex;flex-wrap:wrap;gap:12px;padding:12px;background:#fafafa;border-radius:12px;align-items:center;border:1px dashed #eee;margin-bottom:8px}.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:16px;gap:16px;margin-bottom:40px}.scenario-card{background:#fff;border-radius:16px;padding:20px;text-align:center;cursor:pointer;transition:all .3s ease;border:1px solid transparent;box-shadow:var(--shadow-sm)}.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}.scenario-icon-box{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;transition:all .3s ease}.scenario-icon-box svg{width:28px;height:28px;transition:transform .3s ease}.scenario-card:hover .scenario-icon-box svg{transform:scale(1.1)}.scenario-icon-box.soft-red{background:#fff0f0;color:#ff4d4f}.scenario-icon-box.soft-pink{background:#fff0f6;color:#eb2f96}.scenario-icon-box.soft-orange{background:#fff7e6;color:#fa8c16}.scenario-icon-box.soft-green{background:#f6ffed;color:#52c41a}.scenario-icon-box.soft-blue{background:#e6f7ff;color:#1890ff}.scenario-icon-box.soft-purple{background:#f9f0ff;color:#722ed1}.scenario-title{font-weight:600;font-size:15px;color:var(--text-main);margin-bottom:6px}.scenario-desc{font-size:12px;color:var(--text-sub)}.dashboard-grid{display:grid;grid-template-columns:1.8fr 1fr;grid-gap:24px;gap:24px;animation:slideUp .6s ease-out .2s backwards}.feature-card{height:100%;min-height:280px;display:flex;flex-direction:column;padding:24px}.card-header{justify-content:space-between;margin-bottom:20px}.card-header,.header-left{display:flex;align-items:center}.header-left{gap:12px}.section-title-sm{font-size:16px;font-weight:700;margin:0}.icon-box{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff}.icon-box.purple{background:linear-gradient(135deg,#9f7aea,#805ad5);box-shadow:0 4px 12px rgba(128,90,213,.2)}.icon-box.orange{background:linear-gradient(135deg,#f6ad55,#ed8936);box-shadow:0 4px 12px rgba(237,137,54,.2)}.btn-text{background:none;border:none;color:var(--text-sub);font-size:13px;cursor:pointer}.btn-text:hover{color:var(--primary)}.recent-list{display:flex;flex-direction:column;gap:12px}.recent-item{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:12px;background:#f9fafb;cursor:pointer;transition:all .2s ease;border:1px solid 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