.ai-hero{background:linear-gradient(to bottom,var(--bg-white) 0%,var(--bg-gray) 100%);border-bottom:1px solid var(--border);padding:60px 20px 48px;text-align:center}.ai-hero .hero-title{font-size:2.2rem;font-weight:800;color:var(--dark);margin:0 0 12px;line-height:1.3}.ai-hero .hero-title span{color:var(--primary)}.ai-hero .hero-desc{font-size:1.15rem;color:var(--text-main);margin:0 0 8px}.ai-hero .hero-desc strong{color:var(--dark)}.ai-hero .hero-sub{font-size:.95rem;color:var(--text-muted);margin:0 0 40px}.ai-gallery{max-width:1200px;margin:0 auto;padding:32px 20px 60px}.ai-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:24px}.ai-cats{display:flex;flex-wrap:wrap;gap:10px}.ai-cat-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1.5px solid var(--border);border-radius:var(--radius-full);background:var(--bg-white);color:var(--text-muted);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition);font-family:inherit}.ai-cat-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.ai-cat-btn.active{border-color:var(--primary);color:#fff;background:var(--primary);font-weight:600;box-shadow:0 4px 12px #0052ff40}[data-theme=dark] .ai-cat-btn.active{color:#0d0a08}.ai-cat-count{font-size:.72rem;opacity:.75;font-weight:400}.ai-search-box{position:relative;display:flex;align-items:center}.ai-search-box svg{position:absolute;left:12px;color:var(--text-muted);pointer-events:none}.ai-search-input{width:240px;padding:9px 14px 9px 36px;border:1.5px solid 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var(--border);background:var(--bg-white);color:var(--text-main);font-size:.78rem;font-weight:600;cursor:pointer;transition:var(--transition);font-family:inherit}.ai-card-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.ai-card-btn.copied{border-color:#22c55e;color:#22c55e;background:#22c55e14}.ai-skeleton{break-inside:avoid;page-break-inside:avoid;margin-bottom:20px;border-radius:var(--radius-md);overflow:hidden;background:var(--card-bg);border:1px solid var(--border)}.ai-skeleton-img{width:100%;aspect-ratio:3 / 4;background:linear-gradient(90deg,var(--bg-gray) 25%,var(--border) 50%,var(--bg-gray) 75%);background-size:200% 100%;animation:ai-skeleton-shine 1.3s infinite}.ai-skeleton-line{height:12px;margin:12px 16px 0;border-radius:6px;background:linear-gradient(90deg,var(--bg-gray) 25%,var(--border) 50%,var(--bg-gray) 75%);background-size:200% 100%;animation:ai-skeleton-shine 1.3s 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svg{transform:translateY(3px)}.ai-load-more-hint{font-size:.82rem;color:var(--text-muted);margin:12px 0 0}[data-theme=dark] .ai-load-more-btn{color:#0d0a08}.ai-modal-overlay{position:fixed;inset:0;z-index:1000;background:#0009;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .3s ease;backdrop-filter:blur(3px)}.ai-modal-overlay.open{opacity:1;pointer-events:auto}.ai-modal{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);max-width:640px;width:100%;max-height:min(86vh,860px);display:flex;flex-direction:column;overflow:hidden;transform:translateY(20px) scale(.98);transition:transform .3s ease}.ai-modal-overlay.open .ai-modal{transform:translateY(0) scale(1)}.ai-modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}.ai-modal-title{font-size:1rem;font-weight:700;color:var(--dark);margin:0;line-height:1.4}.ai-modal-close{width:32px;height:32px;min-width:32px;display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:50%;background:var(--bg-gray);color:var(--text-muted);cursor:pointer;transition:var(--transition)}.ai-modal-close:hover{background:var(--border);color:var(--dark)}.ai-modal-body{display:flex;flex-direction:column;gap:14px;padding:18px 20px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.ai-modal-body::-webkit-scrollbar{width:6px}.ai-modal-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:6px}.ai-modal-img{width:100%;max-height:360px;object-fit:contain;border-radius:var(--radius-md);background:var(--bg-gray);border:1px solid var(--border)}.ai-modal-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.ai-modal-tags{display:flex;flex-wrap:wrap;gap:6px}.ai-modal-tag{font-size:.72rem;color:var(--primary);background:var(--primary-light);border-radius:var(--radius-full);padding:3px 12px;font-weight:500}.ai-modal-like{display:inline-flex;align-items:center;gap:4px;font-size:.78rem;font-weight:600;color:var(--text-muted)}.ai-modal-like svg{color:#ff5f6d}.ai-modal-prompt-label{font-size:.82rem;font-weight:700;color:var(--dark);margin:0 0 8px}.ai-modal-prompt{margin:0;font-size:.88rem;line-height:1.9;color:var(--text-main);background:var(--bg-gray);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;white-space:pre-wrap;word-break:break-word;max-height:240px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) 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22px;border-radius:var(--radius-full);font-size:.85rem;font-weight:500;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;box-shadow:var(--shadow-hover)}.ai-toast.show{opacity:1;transform:translate(-50%) translateY(0)}.ai-info{background:var(--bg-gray);border-top:1px solid var(--border);padding:60px 20px 80px}.ai-info .container{max-width:1200px;margin:0 auto}.ai-faq-section{max-width:800px;margin:0 auto}.ai-faq-title{font-size:1.5rem;font-weight:800;color:var(--dark);text-align:center;margin:0 0 32px}.ai-faq-item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s}.ai-faq-item:hover{border-color:var(--primary)}.ai-faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border:none;background:transparent;cursor:pointer;text-align:left;font-size:.95rem;font-weight:600;color:var(--dark);line-height:1.5;transition:color .2s;font-family:inherit}.ai-faq-question:hover{color:var(--primary)}.ai-faq-arrow{flex-shrink:0;color:var(--text-muted);transition:transform .3s ease}.ai-faq-item.open .ai-faq-arrow{transform:rotate(180deg);color:var(--primary)}.ai-faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}.ai-faq-item.open .ai-faq-answer{max-height:320px}.ai-faq-answer p{padding:0 20px 18px;font-size:.9rem;color:var(--text-muted);line-height:1.7;margin:0}@media(max-width:1024px){.ai-waterfall{column-count:3}}@media(max-width:768px){.ai-waterfall{column-count:2;column-gap:12px}.ai-card{margin-bottom:12px;border-radius:14px}.ai-card-body{padding:10px 12px 12px}.ai-toolbar{flex-direction:column;align-items:stretch}.ai-cats{gap:8px}.ai-search-box,.ai-search-input{width:100%}}@media(max-width:640px){.ai-hero{padding:40px 16px 32px}.ai-hero .hero-title{font-size:1.5rem}.ai-hero .hero-desc{font-size:1rem}.ai-info{padding:40px 16px 60px}.ai-faq-title{font-size:1.25rem}.ai-faq-question{padding:14px 16px;font-size:.9rem}.ai-faq-answer p{padding:0 16px 14px;font-size:.85rem}.ai-gallery{padding:24px 12px 48px}.ai-modal{max-height:92vh}}@media(max-width:420px){.ai-waterfall{column-count:2}.ai-cat-btn{padding:7px 12px;font-size:.8rem}}