html, body {
        max-width: 100vw;
        }
        .container {
            max-width: 100vw;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-dark: hsl(220, 70%, 15%);
            --primary-medium: hsl(220, 60%, 25%);
            --accent-gold: hsl(48, 96%, 53%);
            --accent-gold-light: hsl(45, 90%, 60%);
            --success-green: hsl(142, 76%, 36%);
            --text-dark: hsl(220, 47%, 11%);
            --text-gray: hsl(220, 9%, 46%);
            --bg-light: hsl(220, 14%, 96%);
            --border-light: hsl(220, 13%, 91%);
        }

        body {
            font-family: 'Outfit', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* Animations */
        @keyframes fade-in {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fade-left {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes fade-right {
            from {
                opacity: 0;
                transform: translateX(30px);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes zoom-out {
            from {
                opacity: 0;
                transform: scale(1.1);
            }

            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-10px);
            }
        }

        @keyframes breathe {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.05);
            }
        }

        @keyframes pulse-glow {

            0%,
            100% {
                box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
            }

            50% {
                box-shadow: 0 0 30px rgba(251, 191, 36, 0.6);
            }
        }

        @keyframes slide-in {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
.animate-on-scroll {
            opacity: 0; /* 初始隐藏 */
            transition: opacity 0.3s, transform 0.3s;
        }

        /* 动画未触发时的初始偏移（根据动画类型设置） */
        .animate-fade-in.animate-on-scroll {
            transform: translateY(30px);
        }
        .animate-fade-left.animate-on-scroll {
            transform: translateX(-30px);
        }
        .animate-fade-right.animate-on-scroll {
            transform: translateX(30px);
        }

        /* 动画触发后的状态 */
        .animate-on-scroll.animated {
            opacity: 1;
            transform: translate(0);
            animation-duration: 0.8s;
            animation-timing-function: ease-out;
            animation-fill-mode: forwards;
        }

        /* 保留动画定义，但仅在添加.animated类时生效 */
        .animate-fade-in.animated {
            animation-name: fade-in;
        }
        .animate-fade-left.animated {
            animation-name: fade-left;
        }
        .animate-fade-right.animated {
            animation-name: fade-right;
        }
        .animate-zoom-out.animated {
            animation-name: zoom-out;
        }

        /* 移除默认自动触发的动画类 */
        .animate-fade-in,
        .animate-fade-left,
        .animate-fade-right,
        .animate-zoom-out {
            /* 清空默认动画，避免页面加载时直接执行 */
        }

        
        .animate-on-scroll.animate-fade-in {
            animation: fade-in 0.8s ease-out forwards;
        }
        
        .animate-on-scroll.animate-fade-left {
            animation: fade-left 0.8s ease-out forwards;
        }
        
        .animate-on-scroll.animate-fade-right {
            animation: fade-right 0.8s ease-out forwards;
        }
        .animate-fade-in {
            animation: fade-in 0.8s ease-out forwards;
        }

        .animate-fade-left {
            animation: fade-left 0.8s ease-out forwards;
        }

        .animate-fade-right {
            animation: fade-right 0.8s ease-out forwards;
        }

        .animate-zoom-out {
            animation: zoom-out 0.8s ease-out forwards;
        }

        .animate-float {
            animation: float 3s ease-in-out infinite;
        }

        .animate-breathe {
            animation: breathe 2s ease-in-out infinite;
        }

        .animate-pulse-glow {
            animation: pulse-glow 2s ease-in-out infinite;
        }

        .animate-slide-in {
            animation: slide-in 0.6s ease-out forwards;
        }

        .delay-100 {
            animation-delay: 0.1s;
        }

        .delay-200 {
            animation-delay: 0.2s;
        }

        .delay-300 {
            animation-delay: 0.3s;
        }

        .delay-400 {
            animation-delay: 0.4s;
        }

        .delay-500 {
            animation-delay: 0.5s;
        }

        .delay-600 {
            animation-delay: 0.6s;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            font-size: 1.125rem;
            font-weight: 600;
            border-radius: 0.75rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--primary-dark);
            border: 2px solid var(--accent-gold);
        }

        .btn-primary:hover {
            background: var(--accent-gold-light);
            transform: scale(1.05);
            box-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
        }

        .btn-secondary {
            background: var(--primary-dark);
            color: white;
        }

        .btn-secondary:hover {
            background: var(--primary-medium);
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--primary-dark);
        }

        .btn-outline:hover {
            background: var(--primary-dark);
            color: white;
            transform: scale(1.05);
        }

        .btn svg {
            width: 1.25rem;
            height: 1.25rem;
            transition: transform 0.3s ease;
        }

        .btn:hover svg {
            transform: translateX(0.5rem);
        }

 
        /* Hero Section */
        .hero {
            min-height: 100vh;
            background: url('hero-bg.jpg') center/cover no-repeat;
            position: relative;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right,
                    hsla(220, 70%, 15%, 0.95),
                    hsla(220, 60%, 25%, 0.9),
                    hsla(220, 60%, 25%, 0.7));
        }

        .hero-content {
            position: relative;
            z-index: 10;
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            padding: 3rem 0;
        }

        .hero-text {
            color: white;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        .hero-text .highlight {
            color: var(--accent-gold);
        }

        .hero-text p {
            font-size: 1.25rem;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.9);
        }

        .check-icon {
            background: var(--accent-gold);
            border-radius: 50%;
            padding: 0.75rem;
            display: inline-flex;
        }

        .hero-image {
            position: relative;
            padding: 1rem;
            /* 添加内边距 */
        }

        .hero-image img {
            width: 100%;
            border-radius: 1.5rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .stock-badge {
            position: absolute;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 0.75rem;
            padding: 0.75rem 1rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            border: 1px solid var(--border-light);
            animation: breathe 2s ease-in-out infinite;
            max-width: 30%;
        }

        .stock-badge.badge-1 {
            top: 0;
            right: 0;
            animation-delay: 0.2s;
        }

        .stock-badge.badge-2 {
            top: 33%;
            left: 0;
            animation-delay: 0.3s;
        }

        .stock-badge.badge-3 {
            bottom: 2rem;
            right: 1rem;
            animation-delay: 0.4s;
        }

        .stock-badge .stock-name {
            font-size: 0.75rem;
            color: var(--text-gray);
            font-weight: 500;
        }

        .stock-badge .stock-value {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .stock-badge .stock-change {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--success-green);
        }

        .services-bar {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 1rem;
            padding: 2rem;
            margin-bottom: 4rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            color: white;
        }

        .service-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .service-item svg {
            width: 2rem;
            height: 2rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        /* Service Cards */
        .service-section {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 800;
            text-align: center;
            color: var(--primary-dark);
            margin-bottom: 4rem;
        }

        .service-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 10rem;
        }

        .service-card.reverse {
            /* 移除原来的 direction 属性，改用 grid 列顺序 */
            grid-template-columns: 1fr 1fr;
        }

        .service-card.reverse .service-content {
            order: 2;
            /* 文案在右 */
        }

        .service-card.reverse .service-image {
            order: 1;
            /* 图片在左 */
        }

        .service-image {
            position: relative;
        }

        .service-image img {
            width: 100%;
            border-radius: 1.5rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
        }

        .service-info-badge {
            position: absolute;
            background: white;
            border-radius: 1rem;
            padding: 1rem 1.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            animation: breathe 2s ease-in-out infinite;
            max-width: 40%;
        }

        .service-content h3 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        .service-content .label {
            color: var(--accent-gold);
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .service-features {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin: 1.5rem 0;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .feature-item svg {
            width: 1.25rem;
            height: 1.25rem;
            color: var(--success-green);
            flex-shrink: 0;
            margin-top: 0.25rem;
        }

        /* Why Choose Us Cards */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .feature-card {
            background: white;
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-0.5rem);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .feature-card .icon-wrapper {
            width: 4rem;
            height: 4rem;
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            transition: transform 0.3s ease;
        }

        .feature-card:hover .icon-wrapper {
            transform: scale(1.1);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1rem;
        }

        /* Testimonials */
        .testimonials-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 3rem;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .testimonials-nav {
            display: flex;
            gap: 1rem;
        }

        .nav-btn {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            border: 2px solid var(--primary-dark);
            background: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .nav-btn:hover {
            background: var(--primary-dark);
            color: white;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .testimonial-card {
            background: white;
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .testimonial-card:hover {
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .testimonial-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .stars {
            display: flex;
            gap: 0.25rem;
        }

        .star {
            width: 1.25rem;
            height: 1.25rem;
            fill: var(--accent-gold);
            color: var(--accent-gold);
        }

        .testimonial-content {
            font-style: italic;
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-light);
        }

        .author-avatar {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.25rem;
        }

        .author-info .name {
            font-weight: 600;
            color: var(--primary-dark);
        }

        .author-info .location {
            font-size: 0.875rem;
            color: var(--text-gray);
        }

        /* Who Section */
        .who-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .who-card {
            background: white;
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .who-card:hover {
            transform: translateY(-0.5rem);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .who-card-header {
            height: 12rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .who-card-body {
            padding: 1.5rem;
        }

        .who-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
        }

        .who-card .highlight-text {
            color: var(--accent-gold);
        }

        /* Join Section */
        .join-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
        }

        .benefits-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin: 2rem 0;
        }

        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

.benefit-check {
    background: var(--accent-gold);
    border-radius: 50%;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

        .buttons-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* Trust Section */
        .trust-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-top: 4rem;
        }

        .trust-card {
            background: white;
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .trust-card:hover {
            transform: translateY(-0.5rem);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .trust-card-header {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .trust-icon-wrapper {
            width: 3rem;
            height: 3rem;
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .trust-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .trust-card-body {
            height: 12rem;
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .trust-card-body img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.75rem;
}

        /* Contact Form */
        .form-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: start;
        }

        .form-container {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
            border-radius: 1.5rem;
            padding: 2rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        .form-label {
            display: block;
            color: white;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 0.75rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-family: 'Outfit', sans-serif;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-input::placeholder,
        .form-textarea::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent-gold);
            background: rgba(255, 255, 255, 0.15);
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    /* color: var(--primary-dark); */
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-select option {
    background-color: white;
    color: var(--primary-dark);
}

.form-select:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.15);
}

        /* Footer */
        footer {
            background: var(--primary-dark);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }

        footer p {
            margin: 0.5rem 0;
        }

        .footer-disclaimer {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
        }

        /* Responsive */
        @media (min-width: 768px) {
            .form-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr 1fr;
            }

            .service-card {
                grid-template-columns: 1fr 1fr;
            }

            .service-card.reverse {
                direction: rtl;
            }

            .service-card.reverse>* {
                direction: ltr;
            }

            .testimonials-grid {
                grid-template-columns: 1fr 1fr;
            }

            .join-grid {
                grid-template-columns: 1fr 1fr;
            }

            .trust-cards {
                grid-template-columns: 1fr 1fr;
            }

            .form-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* Hidden class for mobile testimonials */
        .mobile-hidden {
            display: none;
        }

        @media (min-width: 768px) {
            .mobile-hidden {
                display: block;
            }
        }

        /* Background colors */
        .bg-white {
            background-color: white;
        }

        .bg-light {
            background-color: var(--bg-light);
        }

        /* SVG Icons - Inline */
        .icon {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .icon-fill {
            fill: currentColor;
            stroke: none;
        }

        /* 响应式处理 - 移动端保持单列布局 */
        @media (max-width: 1023px) {

            .service-card,
            .service-card.reverse {
                grid-template-columns: 1fr;
            }

            .service-card.reverse .service-content,
            .service-card.reverse .service-image {
                order: initial;
                /* 移动端重置顺序 */
            }
        }
        /* 漂浮在右下角的图标按钮 */
        html, body {
            max-width: 100vw;
            overflow-x: hidden;
        }
    
    .grayscale-img {
        filter: grayscale(100%);
        transition: filter 0.5s ease;
    }
    
    .grayscale-img:hover {
        filter: grayscale(0%);
    }
  @keyframes scroll-left {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-50% - 1rem)); 
    }
  }

  @media (max-width: 1023px) {
    .mask-left, .mask-right {
      width: 20%;
    }
    .logo-item {
      min-width: 100px;
    }
    .logo-group {
      gap: 1.5rem !important;
    }
    .logo-gap {
      width: 1.5rem !important;
    }
    @keyframes scroll-left {
      0% {
        transform: translateX(0);
      }
      100% {
        transform: translateX(calc(-50% - 0.75rem)); 
      }
    }
  }

  @media (max-width: 767px) {
    .mask-left, .mask-right {
      width: 30%;
    }
    .logo-item {
      min-width: 80px;
    }
    .logo-group {
      gap: 1rem !important;
    }
    .logo-gap {
      width: 1rem !important;
    }
    .logo-carousel-section {
      padding: 2rem 0;
    }
    .logo-item img {
      height: 40px !important;
    }
    @keyframes scroll-left {
      0% {
        transform: translateX(0);
      }
      100% {
        transform: translateX(calc(-50% - 0.5rem)); 
      }
    }
  }

  @keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 修改现有的动画触发类以支持 zoomIn 效果 */
.animate-on-scroll.animated {
    opacity: 1;
    transform: translate(0) scale(1);
    animation-duration: 0.8s;
    animation-timing-function: ease-out;
    animation-fill-mode: forwards;
}

.animate-on-scroll.animate-zoomIn {
    animation-name: zoomIn;
}