/* 核心基础样式 */
        :root {
            --idji-primary: #FF6600;
            --idji-primary-dark: #E65C00;
            --idji-accent: #4A90E2;
            --idji-bg-light: #F9FAFB;
            --idji-text-main: #1D1D1F;
            --idji-text-sub: #6E6E73;
            --idji-white: #FFFFFF;
            --idji-glass: rgba(255, 255, 255, 0.8);
            --idji-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --idji-radius: 20px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--idji-bg-light);
            color: var(--idji-text-main);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏设计 */
        .idji-navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: var(--idji-glass);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .idji-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .idji-logo {
            min-width: 0;
            flex: 0 0 auto;
        }

        .idji-logo img {
            height: 32px;
            display: block;
        }

        .idji-nav-links {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .idji-nav-links a {
            text-decoration: none;
            color: var(--idji-text-main);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

        .idji-nav-links a:hover {
            color: var(--idji-primary);
        }

        /* Hero 区：全屏背景+卡片式布局 */
        .idji-hero {
            padding-top: 120px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 102, 0, 0.05) 0%, rgba(74, 144, 226, 0.05) 90%);
            position: relative;
            overflow: hidden;
        }

        .idji-hero-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .idji-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .idji-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 102, 0, 0.1);
            color: var(--idji-primary);
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: bold;
            margin-bottom: 24px;
        }

        .idji-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -1px;
            word-break: keep-all;
        }

        .idji-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--idji-text-sub);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .idji-hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .idji-btn-primary {
            background: linear-gradient(135deg, var(--idji-primary), var(--idji-primary-dark));
            color: white;
            padding: 16px 40px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 8px 20px rgba(255, 102, 0, 0.3);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .idji-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(255, 102, 0, 0.4);
        }

        /* 2024 版本核心特性：非对称网格 */
        .idji-features-section {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .idji-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .idji-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.5rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .idji-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .idji-feature-card {
            background: var(--idji-white);
            border-radius: var(--idji-radius);
            padding: 48px;
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
            min-width: 0;
        }

        .idji-feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--idji-shadow);
        }

        .idji-feature-icon-box {
            width: 64px;
            height: 64px;
            background: var(--idji-bg-light);
            border-radius: 16px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--idji-primary);
        }

        .idji-feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .idji-feature-card p {
            color: var(--idji-text-sub);
            font-size: 1.05rem;
        }

        /* 智慧汪仔展示区：左右分栏流体布局 */
        .idji-ai-section {
            background: #000;
            color: #fff;
            padding: 120px 24px;
            border-radius: 40px;
            margin: 0 24px 96px 24px;
        }

        .idji-ai-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .idji-ai-visual {
            flex: 1;
            min-width: 300px;
            height: 400px;
            background: linear-gradient(45deg, #FF6600, #4A90E2);
            border-radius: 30px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .idji-ai-visual::after {
            content: 'AI Power';
            font-size: 3rem;
            font-weight: 900;
            opacity: 0.2;
            text-transform: uppercase;
        }

        .idji-ai-text {
            flex: 1;
            min-width: 320px;
        }

        .idji-ai-text h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 24px;
            color: #fff;
        }

        /* 动态内容区块 */
        .idji-latest-updates {
            padding: 96px 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .idji-update-item {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding: 32px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            min-width: 0;
        }

        .idji-update-date {
            flex: 0 0 120px;
            font-weight: bold;
            color: var(--idji-primary);
        }

        .idji-update-info {
            flex: 1;
            min-width: 250px;
        }

        /* 页脚设计 */
        .idji-footer {
            background: #fff;
            padding: 80px 24px;
            border-top: 1px solid #eee;
        }

        .idji-footer-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
        }

        .idji-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--idji-primary);
        }

        .idji-footer-links h4 {
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .idji-footer-links ul {
            list-style: none;
        }

        .idji-footer-links li {
            margin-bottom: 12px;
        }

        .idji-footer-links a {
            text-decoration: none;
            color: var(--idji-text-sub);
            transition: color 0.3s;
        }

        .idji-footer-links a:hover {
            color: var(--idji-primary);
        }

        .idji-bottom-bar {
            max-width: 1400px;
            margin: 48px auto 0;
            padding-top: 24px;
            border-top: 1px solid #f0f0f0;
            text-align: center;
            color: #999;
            font-size: 0.9rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .idji-nav-links {
                display: none; /* 简化移动端，实际项目中可加汉堡菜单 */
            }
            .idji-hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .idji-hero-btns {
                justify-content: center;
            }
            .idji-ai-section {
                margin: 0 12px 48px 12px;
                padding: 64px 24px;
            }
        }