:root{--color-primary:#d4a574;--color-primary-dark:#c4955a;--color-secondary:#f5e6d3;--color-bg:#fff8f0;--color-surface:#fff;--color-text:#4a4a4a;--color-text-secondary:#8b7355;--color-border:#f0e4d5;--color-danger:#e8736a;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--header-height:60px;--max-width:1200px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{background:var(--color-bg);color:var(--color-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer;font-family:inherit;font-size:inherit;border:none}input,textarea{font-family:inherit;font-size:inherit}img{max-width:100%;display:block}#app,main{min-height:100vh}main.has-header{padding-top:var(--header-height);min-height:calc(100vh - var(--header-height))}.container{max-width:var(--max-width);margin:0 auto;padding:0 16px}.app-header{height:var(--header-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:100;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}.app-header .logo{color:var(--color-text-secondary);font-size:1.2rem;font-weight:600}.app-header nav{gap:8px;display:flex}.app-header nav a,.app-header nav button{border-radius:var(--radius-sm);color:var(--color-text);background:0 0;padding:8px 14px;font-size:.9rem;transition:background .2s}.app-header nav a:hover,.app-header nav button:hover{background:var(--color-secondary)}.app-header nav a.router-link-active{background:var(--color-primary);color:#fff}.btn{border-radius:var(--radius-sm);justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:var(--color-secondary);color:var(--color-text-secondary)}.btn-secondary:hover{background:#ead5c0}.btn-danger{background:var(--color-danger);color:#fff}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-block{width:100%}.card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:box-shadow .2s;overflow:hidden}.card:hover{box-shadow:var(--shadow-md)}.form-group{margin-bottom:20px}.form-group label{color:var(--color-text-secondary);margin-bottom:6px;font-size:.9rem;font-weight:500;display:block}.form-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;color:var(--color-text);outline:none;padding:10px 14px;transition:border-color .2s}.form-input:focus{border-color:var(--color-primary)}textarea.form-input{resize:vertical;min-height:120px}.page-header{justify-content:space-between;align-items:center;margin-bottom:8px;padding:20px 0;display:flex}.page-header h1{color:var(--color-text-secondary);font-size:1.5rem}.empty-state{text-align:center;color:var(--color-text-secondary);padding:60px 20px}.empty-state .icon{opacity:.5;margin-bottom:16px;font-size:3rem}.empty-state h3{margin-bottom:8px;font-size:1.1rem}.empty-state p{margin-bottom:20px;font-size:.9rem}.loading-container{justify-content:center;padding:60px 0;display:flex}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-page{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{text-align:center;width:100%;max-width:380px;padding:40px 32px}.login-card h1{color:var(--color-text-secondary);margin-bottom:8px;font-size:1.8rem}.login-card .subtitle{color:var(--color-text);opacity:.7;margin-bottom:32px;font-size:.9rem}.login-card .form-input{text-align:center}.login-card .error-msg{color:var(--color-danger);margin-bottom:12px;font-size:.85rem}.memory-grid{column-count:2;column-gap:12px;padding-bottom:80px}.memory-card{break-inside:avoid;border-radius:var(--radius-md);cursor:pointer;background:var(--color-surface);box-shadow:var(--shadow-sm);margin-bottom:12px;transition:box-shadow .2s;overflow:hidden}.memory-card:hover{box-shadow:var(--shadow-md)}.memory-card-image{background:var(--color-secondary);line-height:0;position:relative;overflow:hidden}.memory-card-image img{opacity:0;width:100%;height:auto;transition:opacity .3s;display:block}.memory-card-image img.loaded{opacity:1}.memory-card-placeholder{opacity:.5;justify-content:center;align-items:center;height:160px;font-size:2rem;display:flex}.memory-card-info{padding:12px 14px 14px}.memory-card-date{color:var(--color-text-secondary);opacity:.6;margin-bottom:4px;font-size:.78rem}.memory-card-title{color:var(--color-text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.95rem;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.memory-card-user{color:var(--color-primary);opacity:.7;margin-top:6px;font-size:.75rem}.memory-detail{max-width:800px;margin:0 auto;padding:20px 16px 80px}.memory-detail .back-btn{color:var(--color-text-secondary);background:0 0;align-items:center;gap:4px;margin-bottom:16px;padding:8px 0;font-size:.9rem;display:inline-flex}.memory-detail .back-btn:hover{color:var(--color-primary)}.memory-detail .memory-date{color:var(--color-text-secondary);opacity:.7;margin-bottom:8px;font-size:.85rem}.memory-detail h1{color:var(--color-text-secondary);margin-bottom:20px;font-size:1.6rem;line-height:1.3}.memory-detail .memory-content{color:var(--color-text);white-space:pre-wrap;margin-bottom:32px;font-size:1rem;line-height:1.8}.memory-detail .action-bar{gap:8px;margin-bottom:24px;display:flex}.photo-gallery{column-count:2;column-gap:8px}.photo-gallery .photo-item{break-inside:avoid;border-radius:var(--radius-sm);cursor:pointer;background:var(--color-secondary);margin-bottom:8px;line-height:0;position:relative;overflow:hidden}.photo-gallery .photo-item-inner{background:var(--color-secondary);overflow:hidden}.photo-gallery .photo-item img{opacity:0;width:100%;height:auto;transition:opacity .3s;display:block}.photo-gallery .photo-item img.loaded{opacity:1}.lightbox-overlay{z-index:1000;background:#000000e6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lightbox-overlay img{object-fit:contain;border-radius:4px;max-width:95vw;max-height:95vh}.lightbox-close{color:#fff;background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.5rem;transition:background .2s;display:flex;position:absolute;top:20px;right:20px}.lightbox-close:hover{background:#ffffff4d}.lightbox-nav{color:#fff;background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;transition:background .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-nav:hover{background:#ffffff4d}.lightbox-prev{left:20px}.lightbox-next{right:20px}.lightbox-image-wrapper{justify-content:center;align-items:center;display:inline-flex;position:relative}.lightbox-download{color:#fff;white-space:nowrap;background:#0009;border-radius:20px;padding:6px 14px;font-size:.85rem;text-decoration:none;transition:background .2s;position:absolute;bottom:16px;right:16px}.lightbox-download:hover{background:#000000d9}.photo-uploader{border:2px dashed var(--color-border);border-radius:var(--radius-md);text-align:center;cursor:pointer;padding:24px;transition:border-color .2s,background .2s}.photo-uploader:hover,.photo-uploader.dragover{border-color:var(--color-primary);background:var(--color-secondary)}.photo-uploader .upload-icon{opacity:.5;margin-bottom:8px;font-size:2rem}.photo-uploader p{color:var(--color-text-secondary);font-size:.9rem}.photo-preview-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px;display:grid}.photo-preview-item{aspect-ratio:1;border-radius:var(--radius-sm);position:relative;overflow:hidden}.photo-preview-item img{object-fit:cover;width:100%;height:100%}.photo-preview-item .remove-btn{color:#fff;background:#00000080;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.8rem;display:flex;position:absolute;top:4px;right:4px}.pagination{justify-content:center;gap:8px;padding:20px 0 40px;display:flex}.pagination .page-btn{border-radius:var(--radius-sm);background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text);padding:8px 14px;font-size:.85rem;transition:all .2s}.pagination .page-btn:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.pagination .page-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination .page-btn:disabled{opacity:.4;cursor:not-allowed}.dialog-overlay{z-index:999;background:#0006;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.dialog-box{background:var(--color-surface);border-radius:var(--radius-md);text-align:center;width:100%;max-width:360px;padding:24px}.dialog-box h3{color:var(--color-text-secondary);margin-bottom:8px}.dialog-box p{opacity:.8;margin-bottom:20px;font-size:.9rem}.dialog-box .dialog-actions{justify-content:center;gap:8px;display:flex}.not-found{text-align:center;padding:80px 20px}.not-found h2{color:var(--color-text-secondary);margin-bottom:12px;font-size:2rem}.memory-form-page{max-width:600px;margin:0 auto;padding:20px 16px 80px}.memory-form-page h1{color:var(--color-text-secondary);margin-bottom:24px;font-size:1.4rem}@media (width>=768px){.memory-grid{column-count:3;column-gap:16px}.memory-card{margin-bottom:16px}.photo-gallery{column-count:3;column-gap:12px}.photo-gallery .photo-item{margin-bottom:12px}.photo-preview-grid{grid-template-columns:repeat(4,1fr)}.container{padding:0 24px}}@media (width>=1024px){.memory-grid{column-count:4;column-gap:20px}.memory-card{margin-bottom:20px}.photo-gallery{column-count:4;column-gap:16px}.photo-gallery .photo-item{margin-bottom:16px}.photo-preview-grid{grid-template-columns:repeat(5,1fr)}.page-header{padding:32px 0}.page-header h1{font-size:1.8rem}.memory-detail{padding:32px 24px 80px}.memory-detail h1{font-size:2rem}}