.third-party-login{display:flex;justify-content:center;gap:20px;margin:4px 0}.platform-btn{width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s;outline:none}.platform-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}.platform-btn:active{transform:translateY(0)}.login-page{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 200px)}.login-card{width:400px;border-radius:16px;box-shadow:0 4px 24px #00000014}.login-card .login-logo{text-align:center}.app-header{display:flex;align-items:center;background:#fff;padding:0 24px;box-shadow:0 1px 4px #00000014;position:sticky;top:0;z-index:100}.app-content{padding:24px 48px;background:#f5f7fa;min-height:calc(100vh - 133px)}.logo{display:flex;align-items:center;cursor:pointer;margin-right:32px;flex-shrink:0}.logo .logo-icon{font-size:22px;margin-right:6px}.logo .logo-text{font-size:18px;font-weight:700;color:#52c41a;letter-spacing:1px}.header-right{display:flex;align-items:center;gap:12px;margin-left:16px;flex-shrink:0}.home-page{max-width:900px;margin:0 auto}.hero-card{background:linear-gradient(135deg,#52c41a,#1677ff);border-radius:12px}.hero-card .ant-card-body{padding:28px 32px}.mood-btn{display:flex;flex-direction:column;align-items:center;cursor:pointer;padding:12px 16px;border-radius:12px;border:2px solid transparent;transition:all .2s;background:#fafafa}.mood-btn:hover{border-color:#52c41a;background:#f6ffed;transform:translateY(-2px)}.mood-btn .mood-emoji{font-size:32px;line-height:1}.mood-btn .mood-label{font-size:13px;font-weight:500;margin-top:6px}.week-chart{display:flex;justify-content:space-between;gap:8px}.week-day{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;border-radius:10px;background:#fafafa;border:1px solid #f0f0f0;transition:all .2s}.week-day.today{background:#f6ffed;border-color:#b7eb8f}.week-day .week-emoji{font-size:22px;line-height:1.2}.emotion-page{max-width:960px;margin:0 auto}.mood-option{display:flex;flex-direction:column;align-items:center;padding:8px 12px;border-radius:10px;border:2px solid #e8e8e8;cursor:pointer;transition:all .2s;background:#fafafa}.mood-option:hover{border-color:#52c41a;background:#f6ffed}.mood-option.selected{background:#f6ffed}.square-page{max-width:960px;margin:0 auto}.square-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.post-card{border-radius:12px;transition:box-shadow .2s}.post-card:hover{box-shadow:0 4px 16px #0000001a}.post-header{display:flex;justify-content:space-between;align-items:flex-start}.post-footer{display:flex;justify-content:space-between;align-items:center}.like-btn{display:flex;align-items:center;cursor:pointer;padding:4px 8px;border-radius:8px;transition:background .2s}.like-btn:hover{background:#f5f5f5}.diary-page{max-width:800px;margin:0 auto}.diary-card{transition:box-shadow .2s}.diary-card:hover{box-shadow:0 4px 16px #00000014}.diary-header{display:flex;justify-content:space-between;align-items:flex-start}.register-page{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 200px)}.register-card{width:420px;border-radius:16px;box-shadow:0 4px 24px #00000014}.register-card .register-logo{text-align:center}