/* ===== 全局重置与工具类 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', 'Microsoft Yahei', sans-serif;
            color: #404040;
            overflow-x: hidden;
            background-color: #fafafa;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            display: block;
            max-width: 100%;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .btn {
            display: inline-block;
            font-weight: 500;
            padding: 0.75rem 1.5rem;
            border-radius: 0.375rem;
            transition: all 0.3s ease;
            cursor: pointer;
            border: 2px solid transparent;
            font-size: 1rem;
            line-height: 1.5;
        }
        .btn-primary {
            background-color: #cf0413;
            color: #fff;
            border-color: #cf0413;
        }
        .btn-primary:hover {
            background-color: #9e0c23;
            border-color: #9e0c23;
        }
        .btn-outline-white {
            background: transparent;
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-white:hover {
            background: #fff;
            color: #c8102e;
        }
        .btn-outline-primary {
            background: transparent;
            border-color: #c8102e;
            color: #c8102e;
        }
        .btn-outline-primary:hover {
            background: #c8102e;
            color: #fff;
        }
        .btn-lg {
            padding: 1rem 2rem;
            font-size: 1.125rem;
        }

        /* 自定义色彩 */
        .text-primary {
            color: #c8102e;
        }
        .bg-primary {
            background-color: #c8102e;
        }
        .bg-primary-dark {
            background-color: #9e0c23;
        }
        .bg-dark {
            background-color: #1a1a1a;
        }
        .text-white {
            color: #ffffff;
        }
        .text-gray-600 {
            color: #525252;
        }
        .text-gray-800 {
            color: #262626;
        }

        /* 导航栏 */
        #navbar {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 50;
            transition: background-color 0.3s, box-shadow 0.3s;
            background-color: #c8102e;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        #navbar.scrolled {
            background-color: #cf0413;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 1.5rem;
        }
        .logo img {
            height: 4rem;
			margin-left:-10px;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #fff;
            font-weight: 500;
            transition: opacity 0.2s;
        }
        .desktop-nav a:hover {
            opacity: 0.8;
        }
		.desktop-nav a.active {
            opacity: 1;
            font-weight: 700;
			color: #f1f540;
        }
		
        .desktop-nav .lang-btn {
            border: 1px solid #fff;
            padding: 0.4rem 1rem;
            border-radius: 0.375rem;
            transition: all 0.3s;
        }
        .desktop-nav .lang-btn:hover {
            background: #fff;
            color: #c8102e;
            opacity: 1;
        }
        .menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(240, 109, 109, 1);
            backdrop-filter: blur(4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border-radius: 0 0 0.5rem 0.5rem;
            padding: 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            transform: translateY(-100%);
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
        }
        .mobile-menu.active {
            display: flex;
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0;
            border-bottom: 1px solid #e5e5e5;
            color: #ffffff;
            font-weight: 500;
            transition: color 0.2s;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover {
            color: #c8102e;
        }

        /* 英雄区轮播 */
        .hero-carousel {
            position: relative;
            height: 60vh;
            overflow: hidden;
        }
        .hero-slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            z-index: 0;
        }
        .hero-slide.active {
            opacity: 1;
            z-index: 1;
        }
        .hero-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(200, 16, 46, 0.35);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            text-align: center;
            padding: 0 1.5rem;
            color: #fff;
        }
        .hero-title {
            font-size: clamp(2.5rem, 8vw, 5rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
            line-height: 1.2;
        }
        .hero-subtitle {
            font-size: clamp(1rem, 3vw, 1.5rem);
            margin-bottom: 2.5rem;
            max-width: 52rem;
            opacity: 0.95;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .scroll-hint {
            position: absolute;
            bottom: 2.5rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            color: #fff;
            font-size: 2rem;
            animation: bounce 1.5s infinite;
        }
        @keyframes bounce {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }

        /* 通用区块 */
        .section {
            padding: 5rem 0;
        }
        .section-title {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 1rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 5rem;
            height: 0.25rem;
            background: #c8102e;
        }
        .section-title.centered {
            display: inline-block;
            text-align: center;
        }
        .section-title.centered::after {
            left: 50%;
            transform: translateX(-50%);
        }

        /* 卡片网格 */
        .grid {
            display: grid;
            gap: 2rem;
        }
        .grid-2 {
            grid-template-columns: 1fr;
        }
        .grid-3 {
            grid-template-columns: 1fr;
        }
        .grid-4 {
            grid-template-columns: 1fr;
        }
        .card {
            background: #fff;
            border-radius: 0.5rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            border: 1px solid #e5e5e5;
            transition: all 0.3s ease;
        }
        .card:hover {
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
            transform: translateY(-4px);
            border-color: #c8102e;
        }
        .card-img {
            width: 100%;
            height: 12rem;
            background: #e5e5e5;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-title {
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
        }
        .icon-circle {
            width: 4rem;
            height: 4rem;
            background: rgba(200, 16, 46, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
        }
        .icon-circle svg {
            width: 2rem;
            height: 2rem;
            fill: #c8102e;
        }

        /* 联系区块 */
        .contact-dark {
            background: #d50817;
            color: #fff;
        }
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .contact-icon {
            width: 3rem;
            height: 3rem;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .contact-icon svg {
            width: 1.4rem;
            height: 1.4rem;
            fill: #fff;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: rgba(255, 255, 255, 0.9);
        }
        .form-input {
            width: 100%;
            padding: 0.75rem;
            border-radius: 0.375rem;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1rem;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .form-input:focus {
            outline: none;
            border-color: #fff;
        }
        .form-btn {
            width: 100%;
            background: #fff;
            color: #c8102e;
            padding: 0.75rem;
            border: none;
            border-radius: 0.375rem;
            font-weight: 500;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .form-btn:hover {
            background: #f0f0f0;
        }

        /* 页脚 */
        .footer {
            background: #cf0413;
            color: rgba(255, 255, 255, 0.8);
            padding: 3rem 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer h3 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.125rem;
        }
        .footer ul {
            list-style: none;
        }
        .footer li {
            margin-bottom: 0.5rem;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
        }

        /* 返回顶部 */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 3rem;
            height: 3rem;
            background: #9e0c23;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
            cursor: pointer;
            border: none;
            font-size: 1.2rem;
            z-index: 40;
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }

        /* 响应式 */
        @media (min-width: 640px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
            .menu-btn {
                display: none;
            }
        }
        @media (max-width: 767px) {
            .desktop-nav {
                display: none;
            }
            .menu-btn {
                display: block;
            }
            .logo img {
                height: 3rem;
            }
        }
        @media (min-width: 1024px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (min-width: 1280px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }