* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", Arial, sans-serif;
        }

        :root {
            --theme-color: #ff2a2a;
            --bg-main: #0a0a0a;
            --bg-secondary: #1a1a1a;
            --bg-card: #222222;
            --text-white: #ffffff;
            --text-gray-light: #cccccc;
            --text-gray-dark: #999999;
            --border-normal: #333333;
            --max-width: 1200px;
            --container-padding: 0 20px;
            --section-padding: 60px 0;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-white);
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: var(--container-padding);
        }

        .common-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-normal);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .common-card:hover {
            border-color: var(--theme-color);
            box-shadow: 0 0 15px rgba(255, 42, 42, 0.2);
        }

        .module-title {
            font-size: 32px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }

        .module-title::after {
            content: "";
            display: block;
            width: 80px;
            height: 2px;
            background-color: var(--theme-color);
            margin: 15px auto 0;
        }

        .common-tag {
            display: inline-block;
            background-color: transparent;
            border: 1px solid var(--theme-color);
            color: var(--text-white);
            padding: 4px 15px;
            border-radius: 8px;
            font-size: 12px;
            margin-bottom: 20px;
        }

        .auto-img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        .common-btn {
            padding: 12px 30px;
            background-color: var(--theme-color);
            color: var(--text-white);
            border: none;
            border-radius: 25px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .common-btn:hover {
            background-color: #e02020;
        }

        .img-preview-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background-color: rgba(0, 0, 0, 0.95);
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 9999;
            padding: 20px;
        }

        .img-preview-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .preview-img {
            max-width: 95vw;
            max-height: 95vh;
            object-fit: contain;
            transition: all 0.3s ease;
            transform: scale(0.95);
            border: 3px solid var(--theme-color);
            padding: 10px;
            border-radius: 8px;
            background-color: rgba(0, 0, 0, 0.5);
        }

        .img-preview-modal.active .preview-img {
            transform: scale(1);
        }

        .preview-tip {
            position: absolute;
            bottom: 30px;
            color: var(--theme-color);
            font-size: 14px;
            opacity: 0.7;
            transition: opacity 0.3s ease;
        }

        .img-preview-modal:hover .preview-tip {
            opacity: 1;
        }

        /* 模块专属样式 - 精简冗余 */
        .header-nav {
            width: 100%;
            background-color: var(--bg-main);
            padding: 20px 0;
            border-bottom: 1px solid var(--bg-secondary);
        }

        .header-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 22px;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .logo span {
            color: var(--theme-color);
            margin-right: 5px;
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            color: var(--text-gray-light);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

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

        .shop-btn {
            width: 70px;
            height: 40px;
            border: 1px solid var(--theme-color);
            border-radius: 20px;
            background-color: transparent;
            color: var(--text-white);
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .shop-btn:hover {
            background-color: rgba(255, 42, 42, 0.1);
            color: var(--theme-color);
        }

        .hero-section {
            padding: var(--section-padding);
            padding-top: 70px;
            text-align: center;
            position: relative;
            background: linear-gradient(to bottom, var(--bg-main) 0%, var(--bg-secondary) 100%);
        }

        .hero-section::before {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--theme-color) 0%, transparent 100%);
            opacity: 0.3;
            z-index: 0;
        }

        .hero-tagline {
            display: inline-block;
            background-color: #2a0a0a;
            border: 1px solid var(--theme-color);
            color: var(--text-white);
            padding: 10px 20px;
            border-radius: 120px;
            font-size: 30px;
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }

        .hero-tagline::before {
            content: "★";
            color: var(--theme-color);
            margin-right: 5px;
        }

        .hero-title {
            font-size: 56px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-gray-light);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .hero-subtitle.en {
            font-size: 14px;
            color: var(--text-gray-dark);
            margin-bottom: 40px;
        }
        .image-box-section {
            padding: 0 0 10px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .image-container, .feature-image-container {
            box-shadow: 0 0 30px rgba(255, 42, 42, 0.15);
        }

        .image-container:hover, .feature-image-container:hover {
            box-shadow: 0 0 40px rgba(255, 42, 42, 0.25);
        }

        .feature-module {
            padding: var(--section-padding);
            background-color: var(--bg-main);
            border-top: 1px solid var(--bg-secondary);
            position: relative;
            z-index: 1;
        }

        .feature-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .feature-card {
            padding: 25px 15px;
            text-align: center;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 25px rgba(255, 42, 42, 0.15);
        }

        .feature-icon {
            font-size: 24px;
            color: var(--theme-color);
            margin-bottom: 15px;
        }

        .feature-card-title {
            font-size: 16px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .feature-card-desc {
            font-size: 13px;
            color: var(--text-gray-dark);
            line-height: 1.6;
        }

        .feature-image-section {
            padding: 50px 0 60px;
            background-color: var(--bg-main);
            border-top: 1px solid var(--bg-secondary);
            position: relative;
            z-index: 1;
        }

        .feature-image-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .video-module {
            padding: var(--section-padding);
            background: linear-gradient(to bottom, var(--bg-secondary) 0%, #2a0a0a 100%);
            border-top: 1px solid var(--theme-color);
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .video-title {
            font-size: 36px;
            font-weight: 600;
            margin-bottom: 40px;
            letter-spacing: 2px;
        }

        .video-container {
            width: 100%;
            max-width: 1000px;
            margin: 0 auto;
            background-color: #000000;
            border: 1px solid var(--border-normal);
            border-radius: 4px;
            overflow: hidden;
            position: relative;
        }

        .video-cover {
            width: 100%;
            height: 0;
            padding-bottom: 56.25%;
            background-image: url("./IMAGES/VDsmall225516C5STL1764687316.webp");
            background-size: cover;
            background-position: center;
            position: relative;
            cursor: pointer;
            border-bottom: 1px solid var(--border-normal);
        }

        .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80px;
            height: 80px;
            background-color: rgba(255, 42, 42, 0.8);
            border: none;
            border-radius: 50%;
            color: var(--text-white);
            font-size: 24px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 20px rgba(255, 42, 42, 0.5);
        }

        .play-btn:hover {
            background-color: var(--theme-color);
            box-shadow: 0 0 30px rgba(255, 42, 42, 0.7);
            transform: translate(-50%, -50%) scale(1.1);
        }

        .video-player {
            width: 100%;
            height: auto;
            display: none;
        }

        .video-controls {
            width: 100%;
            padding: 10px;
            background-color: var(--bg-card);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-normal);
            display: none;
        }

        .video-progress {
            width: 70%;
            height: 4px;
            background-color: #333333;
            border-radius: 2px;
        }

        .video-progress-fill {
            width: 0%;
            height: 100%;
            background-color: var(--theme-color);
            border-radius: 2px;
        }

        .video-time {
            font-size: 12px;
            color: var(--text-gray-dark);
            margin-left: 10px;
        }

        .video-icons {
            display: flex;
            gap: 15px;
            color: var(--text-gray-dark);
        }

        .testimonial-module {
            padding: var(--section-padding);
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--theme-color);
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .testimonial-title {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 50px;
            line-height: 1.4;
        }

        .testimonial-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 25px;
            margin-bottom: 40px;
        }

        .testimonial-card-small-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }

        .testimonial-card, .testimonial-card-large {
            padding: 25px;
            text-align: left;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #333333;
            overflow: hidden;
        }

        .author-name {
            font-size: 16px;
            font-weight: 600;
        }

        .author-role {
            font-size: 12px;
            color: var(--text-gray-dark);
        }

        .testimonial-rating {
            color: #ffcc00;
            margin-bottom: 15px;
            font-size: 14px;
        }

        .testimonial-content {
            font-size: 14px;
            color: var(--text-gray-light);
            line-height: 1.6;
        }

        .news-help-module {
            padding: var(--section-padding);
            background: linear-gradient(to bottom, #2a0a0a 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--theme-color);
            position: relative;
            z-index: 1;
        }

        .news-section {
            text-align: center;
            margin-bottom: 50px;
        }

        .news-title {
            font-size: 32px;
            margin-bottom: 10px;
        }

        .news-subtitle {
            font-size: 14px;
            color: var(--text-gray-dark);
            margin-bottom: 40px;
            text-transform: uppercase;
        }

        .news-list, .faq-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .news-item-wrap.active, .faq-item-wrap.active {
            border-color: var(--theme-color);
            box-shadow: 0 0 15px rgba(255, 42, 42, 0.2);
        }

        .news-item, .faq-question {
            padding: 15px;
            cursor: pointer;
            user-select: none;
            text-align: left;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-gray-dark);
            margin-bottom: 8px;
        }

        .news-link {
            font-size: 18px;
            color: var(--text-white);
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .news-item-wrap.active .news-link {
            color: var(--theme-color);
        }

        .news-detail {
            padding: 0 20px 20px;
            font-size: 16px;
            color: var(--text-gray-dark);
            line-height: 1.6;
            text-align: left;
            display: none;
            border-top: 1px solid var(--border-normal);
        }

        .news-item-wrap.active .news-detail {
            display: block;
        }

        .faq-section {
            margin-top: 30px;
        }

        .faq-header {
            margin-bottom: 30px;
        }

        .faq-question {
            font-size: 14px;
            color: var(--text-gray-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-question::before {
            content: "▶";
            color: var(--theme-color);
            font-size: 12px;
            transition: transform 0.3s ease;
        }

        .faq-item-wrap.active .faq-question::before {
            transform: rotate(90deg);
        }

        .faq-answer {
            padding: 0 15px 15px;
            font-size: 13px;
            color: var(--text-gray-dark);
            line-height: 1.6;
            display: none;
        }

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

        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 40px;
            height: 40px;
            background-color: var(--theme-color);
            color: var(--text-white);
            border: none;
            border-radius: 50%;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: background-color 0.3s ease;
            z-index: 999;
        }

        .back-to-top:hover {
            background-color: #e02020;
        }

        .footer-section {
            padding: 30px 0;
            background-color: #050505;
            border-top: 1px solid var(--theme-color);
            text-align: center;
            z-index: 1;
        }

        .footer-text {
            font-size: 12px;
            color: var(--text-gray-dark);
            margin-bottom: 5px;
        }

        .footer-text.en {
            font-size: 10px;
            color: #666666;
        }

        /* 响应式优化 - 精简合并 */
        @media (max-width: 992px) {
            .hero-title {font-size: 48px;}
            .video-title {font-size: 32px;}
        }

        @media (max-width: 768px) {
            :root {--section-padding: 40px 0;}
            .hero-title {font-size: 36px;}
            .feature-list, .feature-image-wrap, .testimonial-card-small-wrap {grid-template-columns: 1fr;}
            .play-btn {width: 60px; height: 60px; font-size: 18px;}
            .nav-links {gap: 20px;}
            .news-detail {font-size: 14px;}
            .preview-img {border-width: 2px; padding: 8px;}
        }

        @media (max-width: 480px) {
            .hero-title {font-size: 28px;}
            .module-title {font-size: 26px;}
            .common-btn {padding: 10px 20px; font-size: 14px;}
        }