* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
            color: #fff;
            overflow-x: hidden;
        }

        /* 动态背景粒子 */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: rgba(255, 140, 0, 0.3);
            border-radius: 50%;
            animation: float 15s infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
        }

        /* 主容器 */
        .container {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        /* 头部区域 */
        .header {
            text-align: center;
            padding: 20px 0 30px;
            position: relative;
        }

        .avatar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, #ff8c00 0%, #ff4500 100%);
            margin: 0 auto 20px;
            font-size: 36px;
            font-weight: bold;
            letter-spacing: 4px;
            box-shadow: 0 0 40px rgba(255, 140, 0, 0.5);
            animation: pulse 3s infinite;
        }

        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 30px rgba(255, 140, 0, 0.4); }
            50% { box-shadow: 0 0 50px rgba(255, 140, 0, 0.7); }
        }

        h1 {
            font-size: 48px;
            background: linear-gradient(135deg, #ff8c00 0%, #ff4500 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
            font-weight: 800;
        }

        .subtitle {
            font-size: 18px;
            color: #ff8c00;
            margin-bottom: 5px;
            font-weight: 500;
        }

        .tagline {
            font-size: 14px;
            color: #999;
            margin-top: 10px;
        }

        /* 卡片区域 */
        .card {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 140, 0, 0.2);
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .card:hover {
            border-color: rgba(255, 140, 0, 0.5);
            box-shadow: 0 8px 30px rgba(255, 140, 0, 0.2);
        }

        .card-title {
            font-size: 20px;
            color: #ff8c00;
            margin-bottom: 15px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .card-title::before {
            content: '';
            width: 4px;
            height: 20px;
            background: linear-gradient(180deg, #ff8c00, #ff4500);
            border-radius: 2px;
        }

        /* 技术标签 */
        .tech-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .tag {
            background: rgba(255, 140, 0, 0.1);
            border: 1px solid rgba(255, 140, 0, 0.3);
            color: #ff8c00;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s;
        }

        .tag:hover {
            background: rgba(255, 140, 0, 0.2);
            transform: translateY(-2px);
        }

        /* 经验时间线 */
        .timeline {
            position: relative;
            padding-left: 30px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, #ff8c00, transparent);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .timeline-item:last-child {
            border-bottom: none;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -35px;
            top: 5px;
            width: 10px;
            height: 10px;
            background: #ff8c00;
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255, 140, 0, 0.5);
        }

        .timeline-title {
            font-size: 16px;
            color: #fff;
            margin-bottom: 5px;
        }

        .timeline-desc {
            font-size: 13px;
            color: #999;
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 10px;
        }

        .case-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 140, 0, 0.15);
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
                        box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
                        border-color 0.35s ease;
            cursor: pointer;
        }

        .case-item:hover {
            transform: translateY(-8px) scale(1.04);
            border-color: rgba(255, 140, 0, 0.5);
            box-shadow: 0 16px 40px rgba(255, 140, 0, 0.25),
                        0 0 20px rgba(255, 140, 0, 0.15);
            z-index: 10;
        }

        .case-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: rgba(0, 0, 0, 0.3);
        }

        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.35s ease;
        }

        .case-item:hover .case-img img {
            transform: scale(1.08);
        }

        .case-info {
            padding: 12px 14px 14px;
        }

        .case-name {
            font-size: 14px;
            color: #ff8c00;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .case-desc {
            font-size: 12px;
            color: #999;
            line-height: 1.5;
        }

        /* 响应式 - 案例展示 */
        @media (max-width: 768px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 480px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 行业图标 */
        .industry-icons {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
        }

        .industry-icon {
            text-align: center;
            font-size: 40px;
            opacity: 0.7;
            transition: all 0.3s;
        }

        .industry-icon:hover {
            opacity: 1;
            transform: scale(1.1);
        }

        .industry-label {
            font-size: 12px;
            color: #999;
            margin-top: 5px;
        }

        /* 底部 */
        .footer {
            text-align: center;
            padding: 40px 0 20px;
            color: #666;
            font-size: 12px;
        }

        .footer a {
            color: #666;
            text-decoration: none;
        }

        /* 响应式 */
        @media (max-width: 600px) {
            h1 { font-size: 32px; }
            .avatar { padding: 10px 24px; font-size: 28px; letter-spacing: 2px; }
            .card { padding: 20px; }
        }