/* ========== CSS 变量集中管理 - 黑金白主题 ========== */
        :root {
            --color-primary: #D4AF37;      /* 金色主调 */
            --color-primary-dark: #B8962E;
            --color-primary-light: #F5E5B8;
            --color-black: #000000;
            --color-dark: #1A1A1A;
            --color-white: #FFFFFF;
            --color-gray-bg: #FCFAF7;
            --color-dark-blue-bg:#182133;
            --color-border: #EBE5DB;
            --color-text-dark: #1A1A1A;
            --color-text-muted: #555555;
            --color-footer-bg: #111111;
            --shadow-sm: 0 15px 30px rgba(0,0,0,0.03);
            --shadow-md: 0 20px 30px rgba(212,175,55,0.12);
            --border-radius-card: 28px;
            --border-radius-btn: 40px;
            --transition: 0.2s ease;
        }

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

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: var(--color-white);
            color: var(--color-text-dark);
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 50px 20px;
        }

        .text-center{
            text-align: center;
        }

        .text-white{
            color:#f3f0eb !important;
        }

        .main-banner{
            width: 100% !important;
        }

        /* ========== 导航栏 ========== */
        .navbar {
            background: var(--color-white);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(2px);
            border-bottom: 1px solid var(--color-border);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 18px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: baseline;
            gap: 8px;
        }
        .logo-icon {
            font-size: 1.8rem;
            color: var(--color-primary);
        }
        .logo-text {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--color-black);
        }
        .logo-text span {
            font-weight: 500;
            color: var(--color-primary);
        }
        .logo-tagline {
            font-size: 0.7rem;
            font-weight: 500;
            color: #666;
            letter-spacing: 0.5px;
            margin-left: 4px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: var(--color-text-dark);
            transition: var(--transition);
            font-size: 1rem;
        }
        .nav-links a:hover {
            color: var(--color-primary);
        }
        .lang-switch {
            display: flex;
            gap: 8px;
            background: #F5F5F5;
            padding: 5px 10px;
            border-radius: var(--border-radius-btn);
        }
        .lang-btn {
            background: none;
            border: none;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.85rem;
            padding: 4px 10px;
            border-radius: 30px;
            transition: var(--transition);
            color: #555;
        }
        .lang-btn.active {
            background: var(--color-primary);
            color: var(--color-black);
        }
        .menu-icon {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--color-primary);
        }
        @media (max-width: 900px) {
            .nav-right { gap: 15px; }
            .nav-links { gap: 18px; }
        }
        @media (max-width: 800px) {
            .nav-container { flex-wrap: wrap; }
            .nav-right {
                order: 2;
                width: 100%;
                justify-content: space-between;
                margin-top: 15px;
                display: none;
            }
            .nav-right.show { display: flex; }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 18px;
                align-items: flex-start;
            }
            .lang-switch { align-self: center; margin-left: auto; }
            .menu-icon { display: block; order: 1; }
            .logo { order: 0; }
        }

        /* ========== 轮播样式 (2张幻灯片) ========== */
        .hero-carousel {
            position: relative;
            width: 100%;
            overflow: hidden;
            background: var(--color-gray-bg);
        }
        .carousel-container {
            position: relative;
            height: 85vh;
            min-height: 560px;
            max-height: 750px;
        }
        .carousel-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            z-index: 1;
        }
        .carousel-slide.active {
            opacity: 1;
            z-index: 2;
        }
        .carousel-slide::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(100deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.4) 100%);
            z-index: 1;
        }
        .hero-content-overlay {
            position: relative;
            z-index: 10;
            height: 100%;
            display: flex;
            align-items: center;
            color: white;
        }
        .hero-text {
            max-width: 720px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(6px);
            padding: 2rem 2.5rem;
            border-radius: 32px;
            border-left: 0px solid var(--color-primary);
        }
        .hero-text h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-text p {
            font-size: 1.2rem;
            margin-bottom: 32px;
            font-weight: 500;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-black);
            padding: 14px 32px;
            border-radius: var(--border-radius-btn);
            text-decoration: none;
            font-weight: 700;
            display: inline-block;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline-gold {
            border: 1.5px solid var(--color-primary);
            background: transparent;
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: var(--border-radius-btn);
            font-weight: 600;
            text-decoration: none;
            margin-left: 15px;
            display: inline-block;
            transition: var(--transition);
        }
        .btn-outline-gold:hover {
            background: rgba(212,175,55,0.2);
            border-color: var(--color-primary-light);
        }
        .carousel-dots {
            position: absolute;
            bottom: 25px;
            left: 0;
            right: 0;
            display: flex;
            justify-content: center;
            gap: 12px;
            z-index: 15;
        }
        .dot {
            width: 12px;
            height: 12px;
            background: rgba(255,255,255,0.5);
            border-radius: 50%;
            cursor: pointer;
            transition: var(--transition);
        }
        .dot.active {
            background: var(--color-primary);
            transform: scale(1.2);
            width: 28px;
            border-radius: 20px;
        }
        @media (max-width: 800px) {
            .carousel-container { height: 70vh; min-height: 500px; }
            .hero-text h1 { font-size: 1.4rem; }
            .hero-text p { font-size: 1rem; }
            .hero-text { padding: 1.2rem; }
            .btn-primary, .btn-outline-gold { padding: 10px 20px; font-size: 0.9rem; }
        }

        /* ========== 通用区块 ========== */
        section {
            padding: 0;
        }
        .bg-light {
            background-color: var(--color-dark-blue-bg);
        }
        .bg-white {
            background: var(--color-white);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -0.3px;
            color: var(--color-black);
        }
        .section-sub {
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            font-size: 1.2rem;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }
        .Why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }
        .service-card {
            background: var(--color-white);
            padding: 28px 20px;
            border-radius: var(--border-radius-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--color-border);
        }
        .service-card i {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }
        .grid-2cols {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        
        /* ========== 关于我们 - 全新优雅布局 ========== */
        .about-wrapper {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .about-main {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
        }
        .about-left {
            flex: 1.2;
        }
        .about-right {
            flex: 1;
            background: var(--color-gray-bg);
            padding: 28px;
            border-radius: 32px;
            border-left: 0px solid var(--color-primary);
        }
        .about-quote {
            font-size: 1.2rem;
            line-height: 1.6;
            margin: 20px 0;
            padding: 0 0 0 20px;
            border-left: 3px solid var(--color-primary);
            color: var(--color-text-muted);
        }
        .mission-vision {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .mv-card {
            flex: 1;
            background: var(--color-white);
            padding: 24px;
            border-radius: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .mv-card:hover {
            border-color: var(--color-primary);
        }
        .mv-card h3 {
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .values-list {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
        }
        .value-badge {
            background: var(--color-white);
            border: 1px solid var(--color-primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            color: var(--color-text-dark);
        }
        .value-badge span {
            color: var(--color-primary);
            margin-right: 6px;
        }
        @media (max-width: 768px) {
            .about-main { flex-direction: column; }
            .mission-vision { flex-direction: column; }
        }

        /* ========== 其他组件 ========== */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
        }
        .faq-question span {
            color: var(--color-primary);
        }
        .faq-answer {
            margin-top: 12px;
            color: var(--color-text-muted);
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        .contact-form {
            background: var(--color-white);
            padding: 32px;
            border-radius: 32px;
            box-shadow: var(--shadow-sm);
            max-width: 700px;
            margin-top: 30px;
            border: 1px solid var(--color-border);
            margin: auto;
        }
        .form-group {
            margin-bottom: 20px;
        }
        input, textarea, select {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #DCD6CC;
            border-radius: 28px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(212,175,55,0.2);
        }
        footer {
            background: var(--color-footer-bg);
            color: #C0BCB6;
            padding: 40px 0;
            text-align: center;
            border-top: 1px solid var(--color-primary);
        }
        @media (max-width: 700px) {
            .grid-2cols { grid-template-columns: 1fr; }
            .section-title { font-size: 1.8rem; }
        }

        /* 双语控制 */
        .lang-en { display: block; }
        .lang-zh { display: none; }
        body.zh-mode .lang-en { display: none; }
        body.zh-mode .lang-zh { display: block; }