:root{--bg: #FAFAF8;--bg-card: #FFFFFF;--bg-hover: #F5F3EF;--bg-input: #F8F7F5;--text: #2D2D2D;--text-2: #6B6B6B;--text-3: #AAAAAA;--border: #EBE8E3;--accent: #D4878F;--accent-hover: #C07078;--accent-light: #F7E8EA;--accent-bg: #FDF5F6;--danger: #D47979;--danger-light: #FDEAEA;--success: #7DB59A;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow: 0 2px 8px rgba(0,0,0,.06);--shadow-lg: 0 8px 24px rgba(0,0,0,.1);--radius: 12px;--radius-sm: 8px;--radius-xs: 6px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-serif: "Noto Serif SC", "Songti SC", serif;--nav-h: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{font-family:var(--font);cursor:pointer;border:none;background:none;font-size:inherit}input,textarea,select{font-family:var(--font);font-size:inherit}img{max-width:100%;display:block}.page-loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:1.1rem;color:var(--text-3)}.container{max-width:960px;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-weight:500;font-size:.9rem;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-outline{border:1.5px solid var(--border);color:var(--text);background:var(--bg-card)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#c06060}.btn-sm{padding:6px 14px;font-size:.82rem}.btn-ghost{color:var(--text-2)}.btn-ghost:hover{color:var(--accent);background:var(--accent-light)}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:18px}.form-group label{display:block;margin-bottom:6px;font-size:.88rem;color:var(--text-2);font-weight:500}.form-input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);transition:border-color .2s;font-size:.95rem}.form-input:focus{outline:none;border-color:var(--accent)}textarea.form-input{resize:vertical;min-height:100px}select.form-input{cursor:pointer}.error-msg{color:var(--danger);font-size:.85rem;margin-top:6px}.success-msg{color:var(--success);font-size:.85rem;margin-top:6px}.navbar{position:sticky;top:0;z-index:100;height:var(--nav-h);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;box-shadow:var(--shadow-sm)}.nav-logo{display:flex;align-items:center;gap:8px;font-family:var(--font-serif);font-size:1.2rem;font-weight:700;color:var(--text);text-decoration:none}.nav-logo svg{width:28px;height:28px;fill:var(--accent)}.nav-center{flex:1;display:flex;justify-content:center}.nav-right{display:flex;align-items:center;gap:8px}.mode-toggle{display:flex;background:var(--bg-hover);border-radius:20px;padding:3px}.mode-toggle button{padding:6px 18px;border-radius:17px;font-size:.85rem;color:var(--text-2);transition:all .25s;font-weight:500}.mode-toggle button.active{background:var(--bg-card);color:var(--accent);box-shadow:var(--shadow-sm)}.nav-icon-btn{position:relative;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}.nav-icon-btn:hover{background:var(--bg-hover)}.nav-icon-btn svg{width:20px;height:20px;color:var(--text-2)}.nav-badge{position:absolute;top:2px;right:2px;width:16px;height:16px;border-radius:50%;background:var(--danger);color:#fff;font-size:.65rem;display:flex;align-items:center;justify-content:center;font-weight:700}.nav-user{position:relative}.nav-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-light);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;color:var(--accent);overflow:hidden;cursor:pointer;transition:border-color .2s}.nav-avatar:hover{border-color:var(--accent)}.nav-avatar img{width:100%;height:100%;object-fit:cover}.nav-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);min-width:160px;overflow:hidden;z-index:200}.nav-dropdown a,.nav-dropdown button{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;font-size:.88rem;color:var(--text);text-align:left;transition:background .15s}.nav-dropdown a:hover,.nav-dropdown button:hover{background:var(--bg-hover)}.nav-dropdown .sep{height:1px;background:var(--border)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fdf5f6,#f0ebe8,#e8edf0);padding:20px}.auth-card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:48px 40px;width:100%;max-width:420px}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo svg{width:48px;height:48px;fill:var(--accent);margin:0 auto 12px;display:block}.auth-logo h1{font-family:var(--font-serif);font-size:1.6rem;color:var(--text)}.auth-logo p{font-size:.85rem;color:var(--text-3);margin-top:4px}.auth-card .btn-primary{width:100%;justify-content:center;padding:12px;font-size:1rem;margin-top:8px}.auth-link{text-align:center;margin-top:20px;font-size:.88rem;color:var(--text-2)}.browse-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:20px 0;border-bottom:1px solid var(--border);margin-bottom:20px}.browse-search{flex:1;min-width:200px;position:relative}.browse-search input{width:100%;padding:10px 14px 10px 38px;border:1.5px solid var(--border);border-radius:20px;background:var(--bg-card);font-size:.9rem}.browse-search input:focus{outline:none;border-color:var(--accent)}.browse-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3)}.browse-search-field{padding:8px 12px;border:1.5px solid var(--border);border-radius:20px;background:var(--bg-card);font-size:.85rem;color:var(--text-2)}.browse-filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.browse-filters select{padding:8px 12px;border:1.5px solid var(--border);border-radius:20px;background:var(--bg-card);font-size:.85rem;cursor:pointer}.browse-filters select:focus{outline:none;border-color:var(--accent)}.browse-date-range{display:flex;align-items:center;gap:6px}.browse-date-range input[type=date]{padding:7px 10px;border:1.5px solid var(--border);border-radius:20px;background:var(--bg-card);font-size:.82rem}.post-list{display:flex;flex-direction:column;gap:14px;padding-bottom:30px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-3)}.empty-state svg{width:64px;height:64px;fill:var(--border);margin:0 auto 16px;display:block}.post-card{display:flex;gap:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;transition:all .2s;cursor:pointer}.post-card:hover{box-shadow:var(--shadow);border-color:var(--accent);transform:translateY(-1px)}.post-card.hidden{opacity:.6}.post-card.hidden:hover{border-color:var(--border);transform:none;box-shadow:none;cursor:default}.post-card-body{flex:1;min-width:0}.post-card-title{font-size:1.05rem;font-weight:600;color:var(--text);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.post-card-excerpt{font-size:.88rem;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:10px}.post-card-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.82rem;color:var(--text-3)}.post-card-meta svg{width:14px;height:14px}.post-card-stat{display:flex;align-items:center;gap:3px}.post-card-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.post-card-thumbs{display:flex;gap:6px;flex-shrink:0;align-items:center}.post-card-thumb{width:80px;height:80px;border-radius:var(--radius-xs);background:var(--bg-hover);overflow:hidden}.post-card-thumb img,.post-card-thumb video{width:100%;height:100%;object-fit:cover}.tag{display:inline-flex;align-items:center;padding:2px 10px;border-radius:12px;font-size:.75rem;font-weight:500}.tag-type{background:var(--accent-light);color:var(--accent-hover)}.tag-owner{background:#e8edf4;color:#5a7a9e}.pagination{display:flex;align-items:center;justify-content:center;gap:4px;padding:24px 0}.pagination button{min-width:36px;height:36px;border-radius:var(--radius-xs);font-size:.88rem;color:var(--text-2);display:flex;align-items:center;justify-content:center;transition:all .2s}.pagination button:hover{background:var(--bg-hover)}.pagination button.active{background:var(--accent);color:#fff;font-weight:600}.pagination button:disabled{opacity:.3;cursor:not-allowed}.roam-container{position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:linear-gradient(160deg,#1a1a2e,#16213e 40%,#0f3460);overflow:hidden}.roam-stats{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#ffffffe6;z-index:10;pointer-events:none}.roam-stats-count{font-family:var(--font-serif);font-size:2.2rem;font-weight:700;margin-bottom:4px}.roam-stats-count span{color:var(--accent)}.roam-stats-days{font-size:.95rem;color:#ffffff8c;letter-spacing:.5px}.roam-stats-days span{color:#ffffffbf;font-weight:600}.heart-wrapper{position:absolute;bottom:-60px;z-index:5;cursor:pointer;animation:heartFloat var(--duration) ease-in-out forwards;transition:transform .15s}.heart-wrapper:hover{transform:scale(1.3);z-index:20}.heart-wrapper:hover .heart-tooltip{opacity:1;transform:translate(-50%) translateY(0)}.heart-shape{position:relative;width:var(--size);height:var(--size)}.heart-shape svg{width:100%;height:100%;filter:drop-shadow(0 2px 8px rgba(212,135,143,.4))}.heart-tooltip{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(6px);background:#fffffff2;color:var(--text);padding:6px 12px;border-radius:var(--radius-xs);white-space:nowrap;font-size:.78rem;font-weight:500;box-shadow:var(--shadow);opacity:0;transition:all .2s;pointer-events:none}@keyframes heartFloat{0%{transform:translateY(0) translate(0);opacity:0}5%{opacity:var(--opacity)}25%{transform:translateY(-25vh) translate(var(--drift1))}50%{transform:translateY(-50vh) translate(var(--drift2))}75%{transform:translateY(-75vh) translate(var(--drift3))}95%{opacity:var(--opacity)}to{transform:translateY(-110vh) translate(var(--drift4));opacity:0}}.post-detail{max-width:760px;margin:0 auto;padding:32px 20px 60px}.post-detail-back{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;color:var(--text-3);margin-bottom:24px}.post-detail-back:hover{color:var(--accent)}.post-detail-header{margin-bottom:28px}.post-detail-title{font-size:1.8rem;font-weight:700;line-height:1.3;margin-bottom:12px}.post-detail-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.85rem;color:var(--text-3)}.post-detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.post-detail-content{font-size:1rem;line-height:1.9;color:var(--text);white-space:pre-wrap;word-break:break-word;padding:24px 0;border-bottom:1px solid var(--border)}.post-detail-actions{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--border)}.like-btn{display:flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;border:1.5px solid var(--border);font-size:.9rem;color:var(--text-2);transition:all .2s}.like-btn:hover{border-color:var(--accent);color:var(--accent)}.like-btn.liked{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.like-btn svg{width:18px;height:18px}.like-remaining{font-size:.78rem;color:var(--text-3)}.forbidden-card{text-align:center;padding:80px 20px;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);margin-top:40px}.forbidden-card svg{width:64px;height:64px;fill:var(--text-3);margin:0 auto 16px;display:block}.forbidden-card h2{font-size:1.3rem;color:var(--text-2);margin-bottom:8px}.forbidden-card p{color:var(--text-3)}.attachment-gallery{padding:20px 0}.attachment-gallery h3{font-size:.9rem;color:var(--text-2);margin-bottom:14px}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.gallery-item{border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-hover);aspect-ratio:1;position:relative}.gallery-item img{width:100%;height:100%;object-fit:cover;cursor:pointer}.gallery-item video{width:100%;height:100%;object-fit:cover}.gallery-item audio{width:100%;position:absolute;bottom:0;left:0}.gallery-item .audio-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--text-3)}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000e6;display:flex;align-items:center;justify-content:center;cursor:zoom-out}.lightbox img{max-width:95vw;max-height:95vh;object-fit:contain}.comments-section{padding:24px 0}.comments-title{font-size:1.05rem;font-weight:600;margin-bottom:20px}.comment-form{display:flex;gap:10px;margin-bottom:24px}.comment-form textarea{flex:1;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);resize:none;min-height:60px;background:var(--bg-input);font-size:.9rem}.comment-form textarea:focus{outline:none;border-color:var(--accent)}.comment-item{padding:14px 0;border-bottom:1px solid var(--border)}.comment-item.reply{margin-left:36px}.comment-header{display:flex;align-items:center;gap:10px;margin-bottom:6px}.comment-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;color:var(--accent);overflow:hidden;flex-shrink:0}.comment-avatar img{width:100%;height:100%;object-fit:cover}.comment-username{font-weight:600;font-size:.9rem}.comment-time{font-size:.78rem;color:var(--text-3)}.comment-reply-to{font-size:.82rem;color:var(--text-3)}.comment-reply-to span{color:var(--accent)}.comment-content{font-size:.92rem;line-height:1.6;margin-left:42px}.comment-actions{display:flex;gap:12px;margin-left:42px;margin-top:6px}.comment-actions button{font-size:.8rem;color:var(--text-3)}.comment-actions button:hover{color:var(--accent)}.uploader{margin:16px 0}.uploader-area{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;transition:all .2s;color:var(--text-3)}.uploader-area:hover{border-color:var(--accent);color:var(--accent)}.uploader-area svg{width:36px;height:36px;margin:0 auto 8px;display:block}.upload-preview-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.upload-preview-item{position:relative;width:100px;height:100px;border-radius:var(--radius-xs);overflow:hidden;background:var(--bg-hover)}.upload-preview-item img,.upload-preview-item video{width:100%;height:100%;object-fit:cover}.upload-preview-remove{position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:50%;background:#0009;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem}.create-post{max-width:720px;margin:0 auto;padding:32px 20px 60px}.create-post h1{font-size:1.5rem;margin-bottom:28px}.tag-selector{display:flex;gap:8px;flex-wrap:wrap}.tag-option{padding:6px 14px;border-radius:16px;font-size:.82rem;border:1.5px solid var(--border);color:var(--text-2);transition:all .2s;cursor:pointer}.tag-option.selected{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}.tag-option:hover{border-color:var(--accent)}.level-selector{display:flex;gap:8px}.level-option{width:44px;height:44px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;color:var(--text-2);transition:all .2s;cursor:pointer}.level-option.selected{border-color:var(--accent);background:var(--accent);color:#fff}.profile-page{max-width:560px;margin:0 auto;padding:32px 20px}.profile-page h1{font-size:1.5rem;margin-bottom:28px}.profile-avatar-section{text-align:center;margin-bottom:32px}.profile-avatar-large{width:100px;height:100px;border-radius:50%;background:var(--accent-light);border:3px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:var(--accent);margin:0 auto 12px;overflow:hidden}.profile-avatar-large img{width:100%;height:100%;object-fit:cover}.profile-divider{border:none;border-top:1px solid var(--border);margin:28px 0}.messages-page{max-width:720px;margin:0 auto;padding:32px 20px}.messages-page h1{font-size:1.5rem;margin-bottom:8px}.messages-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.message-item{display:flex;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:all .2s;cursor:pointer;background:var(--bg-card)}.message-item.unread{background:var(--accent-bg);border-color:var(--accent-light)}.message-item:hover{box-shadow:var(--shadow-sm)}.message-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1rem}.message-icon.reply{background:#e8edf4}.message-icon.like{background:var(--accent-light)}.message-body{flex:1;min-width:0}.message-title-text{font-weight:600;font-size:.9rem;margin-bottom:2px}.message-excerpt{font-size:.82rem;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-time{font-size:.78rem;color:var(--text-3);flex-shrink:0}.admin-page{max-width:800px;margin:0 auto;padding:32px 20px}.admin-page h1{font-size:1.5rem;margin-bottom:28px}.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:32px}.admin-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;transition:all .2s;cursor:pointer;text-decoration:none;color:var(--text)}.admin-card:hover{box-shadow:var(--shadow);border-color:var(--accent)}.admin-card svg{width:36px;height:36px;color:var(--accent);margin:0 auto 12px;display:block}.admin-card h3{font-size:1rem;margin-bottom:4px}.admin-card p{font-size:.82rem;color:var(--text-3)}.admin-section{margin-bottom:32px}.admin-section h2{font-size:1.15rem;margin-bottom:16px;border-bottom:1px solid var(--border);padding-bottom:8px}.invite-codes-page{max-width:800px;margin:0 auto;padding:32px 20px}.invite-codes-page h1{font-size:1.5rem;margin-bottom:28px}.invite-form{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;align-items:flex-end}.invite-table{width:100%;border-collapse:separate;border-spacing:0}.invite-table th,.invite-table td{padding:10px 14px;text-align:left;font-size:.88rem;border-bottom:1px solid var(--border)}.invite-table th{color:var(--text-2);font-weight:600;background:var(--bg-hover)}.invite-table tr:hover td{background:var(--bg-hover)}.invite-code-text{font-family:monospace;font-size:.9rem;font-weight:600;color:var(--accent)}.recycle-page{max-width:960px;margin:0 auto;padding:32px 20px}.recycle-page h1{font-size:1.5rem;margin-bottom:28px}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#0006;display:flex;align-items:center;justify-content:center;padding:20px}.confirm-dialog{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:28px 32px;max-width:400px;width:100%}.confirm-dialog h3{font-size:1.1rem;margin-bottom:10px}.confirm-dialog p{font-size:.92rem;color:var(--text-2);margin-bottom:24px}.confirm-actions{display:flex;gap:10px;justify-content:flex-end}@media (max-width: 640px){.navbar{padding:0 14px}.nav-logo span{display:none}.mode-toggle button{padding:6px 12px;font-size:.8rem}.post-card{flex-direction:column}.post-card-thumbs{order:-1}.post-card-thumb{width:60px;height:60px}.browse-toolbar{flex-direction:column}.browse-search{width:100%}.auth-card{padding:32px 24px}.post-detail-title{font-size:1.4rem}.gallery-grid{grid-template-columns:repeat(2,1fr)}.roam-stats-count{font-size:1.6rem}}