:root{--bg: #fefaf3;--bg-card: #fffdf7;--text: #3d3529;--text-light: #7a705b;--text-lighter: #b0a590;--primary: #7c9a6e;--primary-hover: #688a5a;--accent: #c49b6a;--border: #e8dfce;--shadow: 0 2px 12px rgba(61, 53, 41, .06);--shadow-hover: 0 6px 24px rgba(61, 53, 41, .1);--radius: 14px;--radius-sm: 8px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--max-width: 800px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;min-height:100dvh}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}img{max-width:100%;height:auto;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.site-header{padding:24px 0 16px;text-align:center;border-bottom:1px solid var(--border);margin-bottom:28px}.site-header .logo{font-size:1.6rem;font-weight:700;color:var(--text);letter-spacing:.02em}.site-header .logo span{color:var(--primary)}.site-header .subtitle{font-size:.85rem;color:var(--text-light);margin-top:2px}.nav-bar{display:flex;justify-content:center;gap:20px;padding:10px 0}.nav-bar a{font-size:.9rem;color:var(--text-light);transition:color var(--transition)}.nav-bar a:hover,.nav-bar a.active{color:var(--primary)}.welcome-hero{text-align:center;padding:60px 20px 40px}.welcome-hero .welcome-icon{font-size:4rem;margin-bottom:20px}.welcome-hero .welcome-title{font-size:1.6rem;font-weight:700;color:var(--text);margin-bottom:12px}.welcome-hero .welcome-desc{font-size:.95rem;color:var(--text-light);line-height:1.8;margin-bottom:32px;max-width:400px;margin-left:auto;margin-right:auto}.welcome-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.welcome-buttons .btn{padding:12px 32px;font-size:.95rem}.diary-list{display:flex;flex-direction:column;gap:18px;padding-bottom:100px}.diary-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;cursor:pointer;transition:box-shadow var(--transition),transform var(--transition);display:flex;gap:18px;align-items:flex-start}.diary-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.diary-card .card-date{flex-shrink:0;text-align:center;min-width:56px;padding-top:2px}.diary-card .card-date .day{font-size:1.6rem;font-weight:700;color:var(--primary);line-height:1}.diary-card .card-date .month-year{font-size:.75rem;color:var(--text-lighter);margin-top:4px}.diary-card .card-body{flex:1;min-width:0}.diary-card .card-title{font-size:1.05rem;font-weight:600;margin-bottom:4px;color:var(--text)}.diary-card .card-preview{font-size:.88rem;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}.diary-card .card-thumb{flex-shrink:0;width:80px;height:80px;border-radius:var(--radius-sm);object-fit:cover;background:var(--border)}.diary-card .card-delete{position:absolute;top:8px;right:12px;width:26px;height:26px;border-radius:50%;border:none;background:transparent;color:var(--text-lighter);font-size:1.15rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);opacity:0}.diary-card:hover .card-delete,.diary-card:active .card-delete{opacity:1}.diary-card .card-delete:hover{background:#c0392b;color:#fff}.diary-card .card-meta{display:flex;gap:12px;margin-top:8px;font-size:.78rem;color:var(--text-lighter)}.diary-card .card-meta span{display:flex;align-items:center;gap:3px}.entry-detail{padding-bottom:100px}.entry-detail .entry-header{text-align:center;margin-bottom:28px}.entry-detail .entry-date{font-size:.9rem;color:var(--text-lighter);margin-bottom:6px}.entry-detail .entry-title{font-size:1.5rem;font-weight:700;margin-bottom:8px}.entry-detail .entry-mood{display:inline-block;padding:3px 14px;background:var(--primary);color:#fff;border-radius:20px;font-size:.82rem}.entry-detail .entry-content{font-size:1rem;line-height:2;white-space:pre-wrap;word-break:break-word;margin-bottom:28px}.entry-detail .entry-images{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-bottom:28px}.entry-detail .entry-images img{width:100%;border-radius:var(--radius-sm);cursor:pointer;transition:transform var(--transition)}.entry-detail .entry-images img:hover{transform:scale(1.03)}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-light);font-size:.9rem;margin-bottom:20px;transition:color var(--transition)}.back-link:hover{color:var(--primary)}.music-player{position:fixed;bottom:0;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border);padding:10px 20px;display:flex;align-items:center;gap:14px;z-index:100;box-shadow:0 -2px 12px #3d35290a;max-width:var(--max-width);margin:0 auto;border-radius:var(--radius) var(--radius) 0 0}@media(max-width:840px){.music-player{max-width:100%;border-radius:0}}.music-player .player-btn{width:38px;height:38px;border-radius:50%;border:2px solid var(--primary);background:var(--bg-card);color:var(--primary);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0}.music-player .player-btn:hover{background:var(--primary);color:#fff}.music-player .player-info{flex:1;min-width:0}.music-player .player-title{font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.music-player .player-status{font-size:.75rem;color:var(--text-lighter)}.music-player .player-vol{display:flex;align-items:center;gap:6px}.music-player .player-vol input[type=range]{width:60px;accent-color:var(--primary)}.music-player .player-btn-sm{background:none;border:none;color:var(--text-light);cursor:pointer;font-size:.85rem;padding:4px}.admin-page{padding-bottom:40px}.admin-page .section-title{font-size:1.1rem;font-weight:600;margin:28px 0 14px;color:var(--text)}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:.88rem;font-weight:500;margin-bottom:6px;color:var(--text-light)}.form-group input[type=text],.form-group input[type=date],.form-group input[type=email],.form-group input[type=password],.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;font-family:var(--font);background:var(--bg-card);color:var(--text);transition:border-color var(--transition);outline:none}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary)}.form-group textarea{min-height:200px;resize:vertical;line-height:1.8}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border:none;border-radius:var(--radius-sm);font-size:.92rem;font-family:var(--font);cursor:pointer;transition:all var(--transition);font-weight:500}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-danger{background:transparent;border:1.5px solid #e88b8b;color:#c0392b}.btn-danger:hover{background:#c0392b;color:#fff;border-color:#c0392b}.btn-sm{padding:5px 12px;font-size:.8rem}.btn-group{display:flex;gap:10px;flex-wrap:wrap}.upload-preview{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.upload-preview .preview-item{position:relative;width:100px;height:100px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}.upload-preview .preview-item img{width:100%;height:100%;object-fit:cover}.upload-preview .preview-item .remove-btn{position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:50%;background:#00000080;color:#fff;border:none;cursor:pointer;font-size:.7rem;display:flex;align-items:center;justify-content:center}.file-upload-area{border:2px dashed var(--border);border-radius:var(--radius-sm);padding:20px;text-align:center;cursor:pointer;transition:border-color var(--transition);color:var(--text-lighter);font-size:.88rem}.file-upload-area:hover{border-color:var(--primary);color:var(--primary)}.file-upload-area input[type=file]{display:none}.admin-entry-list{display:flex;flex-direction:column;gap:8px}.admin-entry-list .admin-entry-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);gap:12px}.admin-entry-item .entry-info{flex:1;min-width:0}.admin-entry-item .entry-info .entry-date-text{font-size:.82rem;color:var(--text-lighter)}.admin-entry-item .entry-info .entry-title-text{font-size:.92rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:20px}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 30px;width:100%;max-width:400px;box-shadow:var(--shadow)}.login-card h1{text-align:center;font-size:1.3rem;margin-bottom:24px;color:var(--text)}.login-card .btn{width:100%;justify-content:center;padding:12px;font-size:.95rem}.login-error{background:#fef0f0;color:#c0392b;padding:10px 14px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:16px;display:none}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:10px 24px;border-radius:20px;font-size:.85rem;z-index:200;opacity:0;transition:opacity .3s;pointer-events:none;white-space:nowrap}.toast.show{opacity:1}.toast.success{background:var(--primary)}.toast.error{background:#c0392b}.empty-state{text-align:center;padding:60px 20px;color:var(--text-lighter)}.empty-state .empty-icon{font-size:3rem;margin-bottom:14px}.empty-state p{font-size:.95rem}.pagination{display:flex;justify-content:center;gap:8px;margin-top:28px;padding-bottom:20px}.pagination button{padding:8px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text);cursor:pointer;font-size:.88rem;font-family:var(--font);transition:all var(--transition)}.pagination button:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.pagination button:disabled{opacity:.4;cursor:not-allowed}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;z-index:300;display:flex;align-items:center;justify-content:center;cursor:pointer}.lightbox img{max-width:90vw;max-height:90vh;border-radius:var(--radius-sm)}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:40px auto}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){.site-header .logo{font-size:1.3rem}.diary-card{padding:16px;gap:12px}.diary-card .card-date .day{font-size:1.3rem}.diary-card .card-title{font-size:.98rem}.diary-card .card-thumb{width:64px;height:64px}.entry-detail .entry-title{font-size:1.25rem}.entry-detail .entry-images{grid-template-columns:1fr}.login-card{padding:28px 20px}.music-player{padding:8px 14px;gap:10px}.music-player .player-vol input[type=range]{width:40px}}