:root{--bg-page:#F5F5F5;--bg-card:#FFFFFF;--bg-input:#F0F0F0;--color-primary:#805AD5;--color-primary-light:rgba(128,90,213,0.12);--text-title:#1A1A1A;--text-body:#333333;--text-secondary:#888888;--text-tertiary:#BBBBBB;--text-white:#FFFFFF;--border-light:#EEEEEE;--border-subtle:#E0E0E0;--radius-sm:6px;--radius-md:10px;--radius-round:100px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg-page);color:var(--text-title);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;min-height:100vh}.nav-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--bg-card);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:10}.nav-back{font-size:15px;color:var(--color-primary);font-weight:500;background:0 0;border:none;cursor:pointer;padding:4px 8px 4px 0}.nav-title{font-size:16px;font-weight:600;color:var(--text-title)}.nav-actions{display:flex;gap:12px}.nav-act-btn{font-size:14px;color:var(--color-primary);font-weight:500;background:0 0;border:none;cursor:pointer;padding:4px 8px}.images-section{background:var(--bg-card);padding:0}.images-grid{display:grid;gap:2px;padding:0}.images-grid.cols-1{grid-template-columns:1fr}.images-grid.cols-2{grid-template-columns:repeat(2,1fr)}.images-grid.cols-3{grid-template-columns:repeat(3,1fr)}.img-cell{aspect-ratio:1;overflow:hidden;cursor:pointer;background:var(--bg-input)}.img-cell img{width:100%;height:100%;object-fit:cover;display:block}.img-hero{width:100%;max-height:55vh;overflow:hidden;cursor:pointer;background:var(--bg-input)}.img-hero img{width:100%;height:100%;object-fit:contain;display:block}.copy-section{padding:16px 14px;background:var(--bg-card);margin-top:8px}.copy-label{font-size:12px;color:var(--text-secondary);margin-bottom:8px;font-weight:500}.copy-text{font-size:15px;color:var(--text-body);line-height:1.7;white-space:pre-wrap;word-break:break-all;background:var(--bg-input);padding:12px 14px;border-radius:var(--radius-sm)}.meta-section{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:10px 14px;background:var(--bg-card);border-top:1px solid var(--border-light)}.meta-tag{font-size:12px;color:var(--text-secondary);background:var(--bg-input);padding:4px 10px;border-radius:var(--radius-round)}.bottom-actions{position:sticky;bottom:0;left:0;right:0;display:flex;gap:10px;padding:12px 14px 28px;background:var(--bg-card);border-top:1px solid var(--border-light)}.btn-primary{flex:1;padding:12px;border-radius:var(--radius-md);background:var(--color-primary);color:var(--text-white);font-size:15px;font-weight:600;border:none;cursor:pointer;text-align:center}.btn-secondary{flex:1;padding:12px;border-radius:var(--radius-md);background:var(--color-primary-light);color:var(--color-primary);font-size:15px;font-weight:600;border:none;cursor:pointer;text-align:center}.img-preview-mask{position:fixed;inset:0;background:rgba(0,0,0,.95);z-index:200;display:flex;align-items:center;justify-content:center}.img-preview-mask img{max-width:100%;max-height:85vh;object-fit:contain}.img-preview-close{position:absolute;top:20px;right:20px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none}.img-preview-nav{position:absolute;bottom:30px;left:0;right:0;display:flex;justify-content:center;gap:20px}.img-preview-nav button{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none}.state-wrap{text-align:center;padding:80px 16px}.state-icon{font-size:40px;margin-bottom:10px}.state-title{font-size:15px;color:var(--text-secondary)}.toast{position:fixed;top:120px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.75);color:#fff;font-size:14px;padding:10px 20px;border-radius:20px;z-index:300;pointer-events:none;opacity:0;transition:opacity .2s}.toast.show{opacity:1}