* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        
        :root {
            --primary: #4facfe;
            --secondary: #00f2fe;
            --accent: #6a11cb;
            --text: #2c3e50;
            --light-text: #7f8c8d;
            --bg: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            --card-bg: rgba(255, 255, 255, 0.92);
        }
        
        body {
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 0 20px 60px;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 800px;
            width: 100%;
            margin: 0 auto;
            padding-top: 70px;
        }
        
        /* 顶部导航 - 直角设计 */
        .ios-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.5, 1);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .ios-navbar.hidden {
            transform: translateY(-100%);
        }
        
        .ios-navbar h1 {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(to right, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        
        .nav-icons {
            display: flex;
            gap: 15px;
        }
        
        .nav-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: white;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
        }
        
        .nav-icon::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }
        
        .nav-icon:hover::before {
            opacity: 1;
        }
        
        .nav-icon:hover i {
            color: white;
            transform: scale(1.1);
        }
        
        .nav-icon i {
            font-size: 18px;
            color: var(--primary);
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        /* 个人信息区域 - 流式布局 */
        .profile-section {
            text-align: center;
            padding: 40px 0 30px;
            margin-bottom: 30px;
            position: relative;
        }
        
        .avatar-container {
            width: 160px;
            height: 160px;
            margin: 0 auto 25px;
            border-radius: 50%;
            overflow: hidden;
            border: 5px solid white;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .avatar {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .name {
            font-size: 2.1rem;
            font-weight: 800;
            margin-bottom: 10px;
            background: linear-gradient(to right, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        
        .tagline {
            font-size: 1.1rem;
            color: var(--light-text);
            max-width: 500px;
            margin: 0 auto 25px;
            line-height: 1.7;
        }
        
        /* 联系方式区域 */
        .contact-section {
            padding: 20px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        
        .contact-title {
            font-size: 1.2rem;
            margin-bottom: 25px;
            color: var(--light-text);
            font-weight: 500;
            position: relative;
            display: inline-block;
        }
        
        .contact-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: linear-gradient(to right, var(--accent), var(--primary));
            border-radius: 3px;
        }
        
        .contact-icons {
            display: flex;
            justify-content: center;
            gap: 35px;
        }
        
        .contact-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            background: white;
        }
        
        .contact-icon::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }
        
        .contact-icon:hover {
            transform: translateY(-10px) rotate(5deg);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .contact-icon:hover::before {
            opacity: 1;
        }
        
        .contact-icon:hover i {
            color: white;
            transform: scale(1.2);
        }
        
        .contact-icon i {
            font-size: 32px;
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        .wechat i { color: #2aac5c; }
        .qq i { color: #12b7f5; }
        .douyin i { color: #000000; }
        
        /* 时间线区域 - 流式布局 */
        .timeline-section {
            padding: 30px 0;
            margin-bottom: 30px;
        }
        
        .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 35px;
            color: var(--text);
            position: relative;
            padding-left: 20px;
            letter-spacing: -0.5px;
        }
        
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            height: 30px;
            width: 6px;
            background: linear-gradient(to bottom, var(--accent), var(--primary));
            border-radius: 5px;
        }
        
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            top: 15px;
            bottom: 15px;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            left: 0;
            border-radius: 3px;
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 35px;
            padding: 25px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(5px);
            border-radius: 18px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .timeline-item:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            transform: translateY(-5px);
        }
        
        .timeline-dot {
            position: absolute;
            top: 30px;
            left: -40px;
            width: 20px;
            height: 20px;
            background: white;
            border-radius: 50%;
            z-index: 1;
            border: 4px solid var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.9);
        }
        
        .timeline-date {
            display: block;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 0.95rem;
            background: rgba(79, 172, 254, 0.1);
            padding: 5px 12px;
            border-radius: 20px;
            display: inline-block;
        }
        
        .timeline-content h3 {
            font-size: 1.35rem;
            margin-bottom: 15px;
            color: var(--text);
            font-weight: 700;
        }
        
        .timeline-content p {
            color: var(--light-text);
            font-size: 1.05rem;
            line-height: 1.7;
        }
        
        /* 底部区域 */
        .footer {
            text-align: center;
            margin-top: 50px;
            padding: 30px 0 20px;
            color: var(--light-text);
            font-size: 0.9rem;
            width: 100%;
            max-width: 800px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .footer-icons {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-bottom: 25px;
        }
        
        .footer-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            text-decoration: none;
        }
        
        .footer-icon::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }
        
        .footer-icon:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        
        .footer-icon:hover::before {
            opacity: 1;
        }
        
        .footer-icon:hover i {
            color: white;
            transform: scale(1.2);
        }
        
        .footer-icon i {
            color: var(--primary);
            font-size: 20px;
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        .record-info {
            margin-top: 15px;
            font-size: 0.85rem;
            line-height: 1.6;
            color: #95a5a6;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .record-info i {
            color: var(--primary);
        }
        
        /* 音乐播放器 */
        .music-player {
            padding: 20px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 18px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
            display: none;
        }
        
        .song-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--text);
        }
        
        .song-artist {
            font-size: 0.95rem;
            color: var(--light-text);
            margin-bottom: 15px;
        }
        
        .progress-container {
            width: 100%;
            height: 4px;
            background: #e0e6ed;
            border-radius: 2px;
            margin-bottom: 10px;
            cursor: pointer;
        }
        
        .progress-bar {
            height: 100%;
            background: linear-gradient(to right, var(--accent), var(--primary));
            border-radius: 2px;
            width: 30%;
        }
        
        .time-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--light-text);
            margin-bottom: 15px;
        }
        
        .player-controls {
            display: flex;
            justify-content: center;
            gap: 25px;
        }
        
        .control-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background: white;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.08);
        }
        
        .control-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
        }
        
        .control-btn.play-pause {
            width: 55px;
            height: 55px;
            background: linear-gradient(to right, var(--accent), var(--primary));
        }
        
        .control-btn.play-pause i {
            color: white;
        }
        
        /* 模态框 */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(5px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        
        .modal.active {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-content {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            width: 90%;
            max-width: 400px;
            padding: 30px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            transform: translateY(20px);
            transition: transform 0.4s ease;
        }
        
        .modal.active .modal-content {
            transform: translateY(0);
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2px;
        }
        
        .modal-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            background: linear-gradient(to right, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .close-modal {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f0f2f5;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .close-modal:hover {
            background: #e4e7eb;
            transform: rotate(90deg);
        }
        
        .contact-details {
            padding: 20px 0;
            text-align: center;
        }
        
        .contact-info {
            font-size: 1.3rem;
            margin: 20px 0;
            padding: 15px;
            background: #f5f7fa;
            border-radius: 12px;
            font-weight: 600;
            color: var(--text);
        }
        
        .copy-btn {
            background: linear-gradient(to right, var(--accent), var(--primary));
            color: white;
            border: none;
            padding: 14px 35px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(106, 17, 203, 0.4);
            letter-spacing: 0.5px;
        }
        
        .copy-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(106, 17, 203, 0.6);
        }
        
        /* 通知弹窗 - 顶部显示 */
        .notification {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(-100px);
            background: rgba(40, 40, 40, 0.9);
            backdrop-filter: blur(10px);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            z-index: 3000;
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .notification.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding-top: 60px;
            }
            
            .ios-navbar {
                padding: 12px 15px;
            }
            
            .avatar-container {
                width: 140px;
                height: 140px;
            }
            
            .name {
                font-size: 1.8rem;
            }
            
            .contact-icons {
                gap: 20px;
            }
            
            .contact-icon {
                width: 60px;
                height: 60px;
            }
            
            .contact-icon i {
                font-size: 26px;
            }
            
            .timeline-item {
                padding: 20px;
            }
            
            .footer-icons {
                gap: 15px;
            }
        }