:root {
            --w87eju-brand-color: #ff6600;
            --w87eju-brand-deep: #e65c00;
            --w87eju-text-main: #2b2e3b;
            --w87eju-text-sub: #666e7a;
            --w87eju-bg-light: #f8faff;
            --w87eju-white: #ffffff;
            --w87eju-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --w87eju-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--w87eju-text-main);
            line-height: 1.6;
            background-color: var(--w87eju-bg-light);
            word-break: keep-all;
        }

        /* 导航栏 */
        .w87eju-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .w87eju-nav-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .w87eju-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .w87eju-logo img {
            height: 32px;
            display: block;
        }

        .w87eju-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .w87eju-nav-menu li a {
            text-decoration: none;
            color: var(--w87eju-text-main);
            font-size: 15px;
            font-weight: 500;
            transition: var(--w87eju-transition);
            padding: 8px 4px;
            position: relative;
        }

        .w87eju-nav-menu li a:hover, 
        .w87eju-nav-menu li a.active {
            color: var(--w87eju-brand-color);
        }

        .w87eju-nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--w87eju-brand-color);
        }

        /* Hero区域 - 搜索式布局 */
        .w87eju-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
            text-align: center;
            overflow: hidden;
            position: relative;
        }

        .w87eju-hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,102,0,0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .w87eju-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .w87eju-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--w87eju-text-main);
            font-weight: 800;
        }

        .w87eju-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--w87eju-text-sub);
            margin-bottom: 48px;
            word-break: break-word;
        }

        .w87eju-search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            box-shadow: 0 20px 40px rgba(255,102,0,0.1);
            border-radius: 50px;
        }

        .w87eju-search-box input {
            width: 100%;
            padding: 20px 40px;
            border-radius: 50px;
            border: 2px solid transparent;
            font-size: 18px;
            outline: none;
            transition: var(--w87eju-transition);
            background: var(--w87eju-white);
        }

        .w87eju-search-box input:focus {
            border-color: var(--w87eju-brand-color);
        }

        /* 核心矩阵区块 */
        .w87eju-matrix-section {
            padding: 96px 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .w87eju-section-title {
            text-align: center;
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 64px;
            color: var(--w87eju-text-main);
        }

        .w87eju-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .w87eju-matrix-card {
            background: var(--w87eju-white);
            padding: 48px 32px;
            border-radius: 24px;
            box-shadow: var(--w87eju-shadow);
            transition: var(--w87eju-transition);
            border: 1px solid rgba(0,0,0,0.03);
            min-width: 0;
        }

        .w87eju-matrix-card:hover {
            transform: translateY(-10px);
            border-color: var(--w87eju-brand-color);
        }

        .w87eju-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(255,102,0,0.1);
            color: var(--w87eju-brand-color);
            border-radius: 4px;
            font-size: 14px;
            margin-bottom: 24px;
            font-weight: 600;
        }

        .w87eju-card-title {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--w87eju-text-main);
        }

        .w87eju-card-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .w87eju-card-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            color: var(--w87eju-text-sub);
            font-size: 15px;
        }

        .w87eju-card-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--w87eju-brand-color);
            font-weight: bold;
        }

        .w87eju-card-footer {
            border-top: 1px solid #f0f0f0;
            padding-top: 24px;
            font-size: 14px;
            color: var(--w87eju-brand-color);
            font-weight: 500;
        }

        /* FAQ列表 */
        .w87eju-faq-section {
            padding: 64px 24px 96px;
            background: var(--w87eju-white);
        }

        .w87eju-faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .w87eju-faq-item {
            border-bottom: 1px solid #eee;
            padding: 24px 0;
        }

        .w87eju-faq-question {
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--w87eju-text-main);
            transition: var(--w87eju-transition);
        }

        .w87eju-faq-question:hover {
            color: var(--w87eju-brand-color);
        }

        .w87eju-faq-answer {
            margin-top: 16px;
            color: var(--w87eju-text-sub);
            display: none;
            word-break: break-word;
            line-height: 1.8;
        }

        .w87eju-faq-item.active .w87eju-faq-answer {
            display: block;
        }

        /* 页脚 */
        .w87eju-footer {
            background: #1a1c22;
            color: #999;
            padding: 80px 24px 40px;
        }

        .w87eju-footer-content {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
        }

        .w87eju-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .w87eju-footer-name {
            color: var(--w87eju-white);
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 16px;
        }

        .w87eju-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .w87eju-footer-column {
            flex: 0 0 auto;
        }

        .w87eju-footer-column h4 {
            color: var(--w87eju-white);
            margin-bottom: 24px;
            font-size: 16px;
        }

        .w87eju-footer-column ul {
            list-style: none;
        }

        .w87eju-footer-column ul li {
            margin-bottom: 12px;
        }

        .w87eju-footer-column ul li a {
            color: #999;
            text-decoration: none;
            transition: var(--w87eju-transition);
            font-size: 14px;
        }

        .w87eju-footer-column ul li a:hover {
            color: var(--w87eju-brand-color);
        }

        .w87eju-footer-bottom {
            max-width: 1100px;
            margin: 48px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
            font-size: 12px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .w87eju-nav-menu {
                display: none; /* 简化移动端，实际项目中应使用汉堡菜单 */
            }
            .w87eju-matrix-grid {
                grid-template-columns: 1fr;
            }
            .w87eju-hero {
                padding: 120px 24px 60px;
            }
            .w87eju-footer-links {
                gap: 32px;
            }
        }