:root {
            --umkciz-primary-color: #ee4a3a;
            --umkciz-secondary-color: #ff6b5a;
            --umkciz-bg-light: #f9fbff;
            --umkciz-text-dark: #2c3e50;
            --umkciz-text-gray: #64748b;
            --umkciz-white: #ffffff;
            --umkciz-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            --umkciz-transition: all 0.3s ease;
            --umkciz-max-width: 1100px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--umkciz-bg-light);
            color: var(--umkciz-text-dark);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Typography */
        h1, h2, h3 {
            line-height: 1.3;
            word-break: break-word;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            font-size: clamp(1rem, 0.5vw + 0.8rem, 1.1rem);
        }

        /* Navigation */
        .umkciz-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
        }

        .umkciz-nav-container {
            max-width: var(--umkciz-max-width);
            margin: 0 auto;
            width: 100%;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

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

        .umkciz-logo img {
            height: 40px;
            display: block;
        }

        .umkciz-menu {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            min-width: 0;
        }

        .umkciz-menu-item {
            margin-left: 24px;
            min-width: 0;
        }

        .umkciz-menu-link {
            text-decoration: none;
            color: var(--umkciz-text-dark);
            font-weight: 500;
            font-size: 15px;
            transition: var(--umkciz-transition);
            position: relative;
            padding: 8px 0;
        }

        .umkciz-menu-link:hover, .umkciz-menu-link.active {
            color: var(--umkciz-primary-color);
        }

        .umkciz-menu-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--umkciz-primary-color);
        }

        /* Hero Section */
        .umkciz-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #fff 0%, #fff0ee 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .umkciz-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

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

        .umkciz-hero-subtitle {
            color: var(--umkciz-text-gray);
            margin-bottom: 48px;
            font-size: clamp(1.1rem, 1vw + 0.5rem, 1.3rem);
        }

        /* Search Bar */
        .umkciz-search-box {
            background: var(--umkciz-white);
            padding: 8px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            box-shadow: 0 15px 45px rgba(238, 74, 58, 0.1);
            max-width: 600px;
            margin: 0 auto;
            border: 2px solid transparent;
            transition: var(--umkciz-transition);
        }

        .umkciz-search-box:focus-within {
            border-color: var(--umkciz-primary-color);
            transform: translateY(-2px);
        }

        .umkciz-search-input {
            flex: 1;
            border: none;
            padding: 12px 24px;
            font-size: 16px;
            outline: none;
            border-radius: 50px;
            min-width: 0;
        }

        .umkciz-search-btn {
            background: var(--umkciz-primary-color);
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--umkciz-transition);
        }

        .umkciz-search-btn:hover {
            background: var(--umkciz-secondary-color);
            box-shadow: 0 5px 15px rgba(238, 74, 58, 0.3);
        }

        /* FAQ Categories */
        .umkciz-section {
            padding: 96px 24px;
            max-width: var(--umkciz-max-width);
            margin: 0 auto;
        }

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

        .umkciz-section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            margin-bottom: 16px;
            color: var(--umkciz-text-dark);
        }

        .umkciz-category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .umkciz-cat-card {
            background: var(--umkciz-white);
            padding: 40px;
            border-radius: 20px;
            transition: var(--umkciz-transition);
            border: 1px solid rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            height: 100%;
            min-width: 0;
        }

        .umkciz-cat-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--umkciz-shadow);
        }

        .umkciz-cat-icon {
            font-size: 40px;
            margin-bottom: 24px;
            color: var(--umkciz-primary-color);
        }

        .umkciz-cat-name {
            font-size: 1.5rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .umkciz-cat-list {
            list-style: none;
        }

        .umkciz-cat-item {
            padding: 12px 0;
            border-bottom: 1px solid #f1f5f9;
        }

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

        .umkciz-cat-link {
            text-decoration: none;
            color: var(--umkciz-text-gray);
            transition: var(--umkciz-transition);
            display: block;
        }

        .umkciz-cat-link:hover {
            color: var(--umkciz-primary-color);
            padding-left: 8px;
        }

        /* FAQ Accordion Section */
        .umkciz-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .umkciz-faq-item {
            background: var(--umkciz-white);
            margin-bottom: 16px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .umkciz-faq-question {
            padding: 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            user-select: none;
        }

        .umkciz-faq-answer {
            padding: 0 24px 24px;
            color: var(--umkciz-text-gray);
            display: none;
        }

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

        /* CTA Section */
        .umkciz-cta {
            background: var(--umkciz-primary-color);
            border-radius: 32px;
            padding: 64px 48px;
            text-align: center;
            color: var(--umkciz-white);
            margin: 64px auto;
            max-width: var(--umkciz-max-width);
        }

        .umkciz-cta h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .umkciz-cta p {
            margin-bottom: 32px;
            opacity: 0.9;
        }

        .umkciz-cta-btn {
            background: var(--umkciz-white);
            color: var(--umkciz-primary-color);
            padding: 16px 48px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            display: inline-block;
            transition: var(--umkciz-transition);
        }

        .umkciz-cta-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        /* Footer */
        .umkciz-footer {
            background: #1a1a1a;
            color: #999;
            padding: 80px 24px 40px;
        }

        .umkciz-footer-container {
            max-width: var(--umkciz-max-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .umkciz-footer-info {
            flex: 1;
            min-width: 280px;
            margin-bottom: 40px;
        }

        .umkciz-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 24px;
        }

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

        .umkciz-footer-column {
            min-width: 120px;
            margin-bottom: 32px;
        }

        .umkciz-footer-title {
            color: #fff;
            margin-bottom: 24px;
            font-weight: 600;
        }

        .umkciz-footer-list {
            list-style: none;
        }

        .umkciz-footer-item {
            margin-bottom: 12px;
        }

        .umkciz-footer-link {
            text-decoration: none;
            color: #999;
            transition: var(--umkciz-transition);
        }

        .umkciz-footer-link:hover {
            color: var(--umkciz-primary-color);
        }

        .umkciz-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #333;
            width: 100%;
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .umkciz-nav-container {
                justify-content: center;
                height: auto;
                padding: 16px;
            }
            .umkciz-menu {
                justify-content: center;
                margin-top: 16px;
            }
            .umkciz-menu-item {
                margin: 8px 12px;
            }
            .umkciz-hero {
                padding: 140px 24px 60px;
            }
            .umkciz-search-box {
                flex-direction: column;
                border-radius: 20px;
                padding: 16px;
            }
            .umkciz-search-btn {
                width: 100%;
                margin-top: 12px;
            }
            .umkciz-cat-card {
                padding: 24px;
            }
        }