@import "https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap";:root{--primary:#7c6ff7;--primary-dark:#5a52d5;--primary-light:#ede9ff;--accent:#ff6b9d;--bg:#f5f4fc;--bg-color:#f5f4fc;--bg-card:#fff;--bg-input:#7c6ff70d;--text:#1a1a2e;--text-color:#1a1a2e;--text-muted:#6b7280;--text-secondary:#6b7280;--border:#e5e7eb;--border-color:#e5e7eb;--radius:12px;--shadow:0 2px 12px #7c6ff714;--shadow-hover:0 8px 28px #7c6ff72e}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none;font-family:inherit}img{max-width:100%;display:block}.container{max-width:1200px;margin:0 auto;padding:0 24px}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow 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40px}.ob-logo{letter-spacing:2px;opacity:.9;margin-bottom:20px;font-size:20px;font-weight:800}.ob-title{margin-bottom:10px;font-size:32px;font-weight:800}.ob-sub{opacity:.85;margin-bottom:20px;font-size:15px}.ob-progress{justify-content:center;align-items:center;gap:12px;font-size:15px;display:flex}.ob-ok{color:#95f2a4;font-weight:600}.ob-categories{flex:1;padding-top:32px;padding-bottom:120px}.ob-category{margin-bottom:28px}.ob-cat-title{color:var(--text);border-left:3px solid var(--primary);margin-bottom:12px;padding-left:10px;font-size:15px;font-weight:700}.ob-tags{flex-wrap:wrap;gap:10px;display:flex}.ob-tag{border:1.5px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:24px;padding:8px 18px;font-family:inherit;font-size:14px;transition:all 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.2s;display:flex}.action-btn:hover{color:var(--primary);transform:translateY(-2px)}.action-btn.active{color:#e879a0}.comments-section{padding:32px}.comments-title{margin-bottom:24px;font-size:18px;font-weight:700}.comment-box{gap:16px;margin-bottom:32px;display:flex}.comment-avatar{background:var(--primary-light);width:40px;height:40px;color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.comment-input-area{flex-direction:column;flex:1;gap:12px;display:flex}.comment-input-area textarea{border:1px solid var(--border);resize:vertical;background:var(--bg);border-radius:12px;width:100%;min-height:80px;padding:12px;font-family:inherit;font-size:14px;transition:border-color .2s}.comment-input-area textarea:focus{border-color:var(--primary);background:#fff;outline:none}.comment-submit{justify-content:flex-end;display:flex}.comments-list{flex-direction:column;gap:24px;display:flex}.no-comments{text-align:center;color:var(--text-muted);padding:40px 0;font-size:14px}.comment-item{gap:16px;display:flex}.comment-body{border-bottom:1px solid var(--border);flex:1;padding-bottom:16px}.comment-item:last-child .comment-body{border-bottom:none;padding-bottom:0}.comment-meta{justify-content:space-between;margin-bottom:8px;display:flex}.comment-author{color:var(--text);font-size:14px;font-weight:600}.comment-time{color:var(--text-muted);font-size:12px}.comment-content{color:#444;font-size:14px;line-height:1.6}@media (width<=768px){.post-main,.comments-section{padding:20px}.post-title{font-size:24px}}.circle-hero{border-bottom:1px solid var(--border);background:url(/images/circle-banner.png) 50%/cover no-repeat;padding:40px 0}.circle-hero-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.circle-header-info{align-items:center;gap:24px;display:flex}.circle-avatar-large{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;width:80px;height:80px;box-shadow:var(--shadow);border-radius:20px;justify-content:center;align-items:center;font-size:32px;font-weight:800;display:flex}.circle-title-area{flex-direction:column;gap:8px;display:flex}.circle-name{color:var(--text);align-items:center;gap:12px;font-size:24px;font-weight:800;display:flex}.badge-official{color:#fff;background:#1890ff;border-radius:12px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;font-weight:500;display:flex}.circle-desc{color:var(--text-muted);max-width:600px;font-size:14px}.circle-stats{color:var(--text-muted);gap:16px;font-size:14px;display:flex}.circle-stats span{align-items:center;gap:6px;display:flex}.circle-actions{gap:12px;display:flex}.btn-join,.btn-publish{align-items:center;gap:6px;padding:10px 24px;font-size:15px;display:flex}.circle-body{grid-template-columns:1fr 300px;align-items:start;gap:24px;padding-top:32px;padding-bottom:64px;display:grid}.tabs{border-bottom:1px solid var(--border);gap:24px;margin-bottom:24px;display:flex}.tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:12px 4px;font-size:16px;font-weight:600;position:relative}.tab.active{color:var(--primary)}.tab.active:after{content:"";background:var(--primary);border-radius:3px 3px 0 0;height:3px;position:absolute;bottom:-1px;left:0;right:0}.circle-posts{flex-direction:column;gap:16px;display:flex}.post-list-item{flex-direction:column;gap:10px;padding:20px;display:flex}.item-title{color:var(--text);font-size:16px;font-weight:700}.item-summary{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.item-meta{color:var(--text-muted);gap:16px;margin-top:4px;font-size:13px;display:flex}.circle-rules{color:var(--text-muted);white-space:pre-wrap;font-size:14px;line-height:1.6}.circle-owner{color:var(--text);align-items:center;gap:12px;font-size:14px;font-weight:600;display:flex}.owner-avatar{background:var(--primary-light);width:32px;height:32px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;display:flex}@media 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1rem;font-size:1rem}.profile-card-tab{max-width:460px}.card-hint{color:var(--text-secondary);text-align:center;margin-top:1rem;font-size:.85rem}.tab-count{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;margin-left:4px;font-size:.7rem;font-weight:700;display:inline-flex}.profile-circles{padding-top:.25rem}.user-circles-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;display:grid}.user-circle-card{color:inherit;border-radius:12px;align-items:center;gap:10px;padding:.9rem 1rem;text-decoration:none;transition:transform .2s,box-shadow .2s;display:flex}.user-circle-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000001a}.ucircle-icon{background:linear-gradient(135deg, var(--primary), 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var(--primary), #b0a8ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:1rem 0 .5rem;font-size:2.5rem}.graph-header p{color:var(--text-secondary)}.graph-container{background-blend-mode:overlay;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1a162599 url(/images/graph-banner.png) 50%/cover no-repeat;border:1px solid #7c6ff733;border-radius:16px;flex:1;animation:1s ease-out .3s both fadeIn;position:relative;overflow:hidden;box-shadow:0 8px 32px #0000004d}.loading-state{color:var(--primary);letter-spacing:2px;font-size:1.2rem;animation:2s infinite pulse;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{opacity:.5}50%{opacity:1;text-shadow:0 0 10px var(--primary)}to{opacity:.5}}.messages-page{background:var(--bg-color);min-height:100vh}.messages-container{max-width:680px;padding:2rem 1rem 4rem}.messages-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.5rem;display:flex}.messages-title-row{align-items:center;gap:10px;display:flex}.messages-title-row h1{color:var(--text-color);align-items:center;gap:8px;margin:0;font-size:1.5rem;font-weight:700;display:flex}.unread-badge{color:#fff;background:#e879a0;border-radius:12px;padding:2px 10px;font-size:.75rem;font-weight:600}.btn-mark-all{color:var(--primary);cursor:pointer;background:#7c6ff714;border:1px solid #7c6ff733;border-radius:8px;align-items:center;gap:6px;padding:6px 14px;font-size:.85rem;transition:all .2s;display:flex}.btn-mark-all:hover{background:#7c6ff726}.notifications-list{flex-direction:column;gap:.75rem;display:flex}.notification-item{background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;border-radius:14px;align-items:flex-start;gap:1rem;padding:1rem 1.25rem;transition:all .2s;display:flex;position:relative}.notification-item:hover{border-color:#7c6ff740;box-shadow:0 4px 16px #00000014}.notification-item.unread{background:linear-gradient(to right, #7c6ff70a, var(--bg-card));border-left:3px solid var(--primary)}.notification-item.skeleton{cursor:default;height:90px;animation:1.5s infinite shimmer}.notif-icon-wrap{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.notif-body{flex:1;min-width:0}.notif-header-row{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.notif-type-label{font-size:.78rem;font-weight:600}.notif-time{color:var(--text-secondary);font-size:.75rem}.notif-title{color:var(--text-color);margin:0 0 4px;font-size:.95rem;font-weight:600;line-height:1.4}.notif-content{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 8px;font-size:.85rem;display:-webkit-box;overflow:hidden}.notif-sender{color:var(--primary);align-items:center;gap:5px;font-size:.82rem;text-decoration:none;display:inline-flex}.sender-avatar{background:linear-gradient(135deg, var(--primary), #e879a0);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:.65rem;font-weight:600;display:flex}.unread-dot{background:#e879a0;border-radius:50%;flex-shrink:0;width:8px;height:8px;margin-top:6px}.empty-messages{text-align:center;color:var(--text-secondary);flex-direction:column;align-items:center;gap:1rem;padding:5rem 1rem;display:flex}.empty-messages p{font-size:1.05rem}.fade-in{animation:.3s fadeIn}.edit-profile-page{background:var(--bg-color);min-height:100vh}.edit-profile-container{max-width:900px;padding:1.5rem 1rem 4rem}.ep-back-link{color:var(--text-secondary);align-items:center;gap:6px;margin-bottom:1.5rem;font-size:.88rem;text-decoration:none;transition:color .2s;display:inline-flex}.ep-back-link:hover{color:var(--primary)}.ep-layout{grid-template-columns:220px 1fr;align-items:start;gap:1.5rem;display:grid}.ep-sidebar-card{flex-direction:column;align-items:center;gap:.75rem;padding:1.5rem 1rem;display:flex;position:sticky;top:80px}.ep-avatar-placeholder{background:linear-gradient(135deg, var(--primary-light), #7c6ff733);border:2px dashed var(--primary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;transition:all .2s;display:flex;position:relative}.ep-avatar-placeholder:hover .ep-avatar-overlay{opacity:1}.ep-avatar-overlay{color:#fff;opacity:0;background:#00000059;border-radius:50%;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:absolute;inset:0}.ep-sidebar-name{color:var(--text-color);font-size:1rem;font-weight:700}.ep-nav{flex-direction:column;gap:4px;width:100%;margin-top:.5rem;display:flex}.ep-nav-btn{width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:8px;padding:9px 14px;font-family:inherit;font-size:14px;transition:all .2s;display:flex}.ep-nav-btn:hover{background:var(--bg-color);color:var(--primary)}.ep-nav-btn.active{background:var(--primary-light);color:var(--primary);font-weight:600}.ep-section{margin-bottom:1rem;padding:2rem}.ep-section-title{color:var(--text-color);align-items:center;gap:8px;margin:0 0 1.5rem;font-size:1.1rem;font-weight:700;display:flex}.ep-form-group{margin-bottom:1.25rem;position:relative}.ep-form-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.ep-label{color:var(--text-color);align-items:center;gap:5px;margin-bottom:6px;font-size:.88rem;font-weight:600;display:flex}.ep-input,.ep-textarea{border:1.5px solid var(--border-color);width:100%;color:var(--text-color);background:var(--bg-color);box-sizing:border-box;border-radius:10px;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .2s,box-shadow .2s}.ep-input:focus,.ep-textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #7c6ff71a}.ep-textarea{resize:vertical;min-height:100px}.ep-char-count{color:var(--text-secondary);font-size:.75rem;position:absolute;top:0;right:0}.ep-form-hint{color:var(--text-secondary);margin:-8px 0 12px;font-size:.8rem}.ep-dimension-grid{flex-wrap:wrap;gap:8px;display:flex}.ep-dim-btn{border:1.5px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:20px;padding:6px 16px;font-family:inherit;font-size:13px;transition:all .2s}.ep-dim-btn:hover{border-color:var(--primary);color:var(--primary)}.ep-dim-btn.active{background:linear-gradient(135deg, var(--primary), #e879a0);color:#fff;border-color:#0000;font-weight:600}.ep-selected-count{color:var(--text-secondary);margin-bottom:1.25rem;font-size:.88rem}.ep-selected-count strong{color:var(--primary)}.ep-tag-category{margin-bottom:1.25rem}.ep-tag-cat-name{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;padding-left:2px;font-size:.8rem;font-weight:700}.ep-tag-grid{flex-wrap:wrap;gap:8px;display:flex}.ep-tag-btn{border:1.5px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:20px;padding:5px 14px;font-family:inherit;font-size:13px;transition:all .2s}.ep-tag-btn:hover:not(.disabled){border-color:var(--primary);color:var(--primary)}.ep-tag-btn.selected{border-color:var(--primary);color:var(--primary);background:#7c6ff71f;font-weight:600}.ep-tag-btn.disabled{opacity:.35;cursor:not-allowed}.ep-footer{justify-content:flex-end;gap:12px;padding-top:.5rem;display:flex}.ep-save-btn{min-width:120px;transition:all .3s!important}.ep-save-btn.saved{background:#34d399!important;border-color:#34d399!important}@media (width<=768px){.ep-layout{grid-template-columns:1fr}.ep-sidebar-card{flex-direction:row;align-items:center;padding:1rem}.ep-nav{flex-direction:row;margin-top:0}.ep-nav-btn{padding:6px 10px;font-size:13px}.ep-section{padding:1.25rem}.ep-form-row{grid-template-columns:1fr}}