:root {
            --primary-dark: #0a1628;
            --primary-blue: #1a3a6c;
            --accent-orange: #ff6b35;
            --accent-gold: #f7b731;
            --text-light: #ffffff;
            --text-gray: #94a3b8;
            --bg-light: #f8fafc;
            --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1a3a6c 100%);
            --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #f7b731 100%);
            --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-light);
            color: var(--primary-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Navigation */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1rem 2rem;
            transition: all 0.3s ease;
            background: transparent;
        }

        .nav.scrolled {
            background: rgba(10, 22, 40, 0.95);
            backdrop-filter: blur(20px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--text-light);
        }

        .logo-img {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        .logo-sub {
            font-size: 0.7rem;
            color: var(--text-gray);
            letter-spacing: 0.1em;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-orange);
        }

        .nav-cta {
            background: var(--gradient-accent);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
        }

        .mobile-toggle span {
            width: 25px;
            height: 2px;
            background: white;
            transition: all 0.3s ease;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            background: var(--gradient-primary);
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.5;
        }

        .hero-particles {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent-orange);
            border-radius: 50%;
            opacity: 0.3;
            animation: float 15s infinite ease-in-out;
        }

        .particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 20s; }
        .particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
        .particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 22s; }
        .particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 19s; }
        .particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 21s; }
        .particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 17s; }
        .particle:nth-child(7) { left: 70%; animation-delay: 2.5s; animation-duration: 23s; }
        .particle:nth-child(8) { left: 80%; animation-delay: 1.5s; animation-duration: 20s; }
        .particle:nth-child(9) { left: 90%; animation-delay: 4.5s; animation-duration: 18s; }
        .particle:nth-child(10) { left: 15%; animation-delay: 3.5s; animation-duration: 24s; }

        @keyframes float {
            0%, 100% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
            10% { opacity: 0.3; }
            90% { opacity: 0.3; }
            100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
        }

        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 10;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .hero-text {
            color: var(--text-light);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 107, 53, 0.15);
            border: 1px solid rgba(255, 107, 53, 0.3);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--accent-orange);
            margin-bottom: 1.5rem;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-orange);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.2); }
        }

        .hero h1 {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        .hero h1 span {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.2rem;
            color: var(--text-gray);
            margin-bottom: 2.5rem;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: white;
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
        }

        .hero-stats {
            display: flex;
            gap: 3rem;
        }

        .stat-item {
            text-align: left;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-orange);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-top: 0.5rem;
        }

        .hero-visual {
            position: relative;
            height: 500px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        /* 轮播图样式 */
        .hero-carousel {
            position: relative;
            flex: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }

        .carousel-track {
            position: relative;
            width: 100%;
            height: 100%;
        }

        .carousel-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.8s ease-in-out;
        }

        .carousel-slide.active {
            opacity: 1;
        }

        .carousel-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .carousel-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
        }

        .carousel-tag {
            color: white;
            font-size: 1rem;
            font-weight: 500;
            background: rgba(255, 107, 53, 0.9);
            padding: 0.4rem 1rem;
            border-radius: 20px;
        }

        .carousel-dots {
            position: absolute;
            bottom: 1rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 0.5rem;
        }

        .carousel-dots .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all 0.3s;
        }

        .carousel-dots .dot.active {
            background: var(--accent-orange);
            width: 30px;
            border-radius: 5px;
        }

        .carousel-arrows {
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            transform: translateY(-50%);
            display: flex;
            justify-content: space-between;
            padding: 0 1rem;
            pointer-events: none;
        }

        .carousel-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.9);
            border: none;
            cursor: pointer;
            font-size: 1.2rem;
            color: var(--primary-blue);
            pointer-events: auto;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .carousel-arrow:hover {
            background: var(--accent-orange);
            color: white;
        }

        /* 工厂优势点样式 */
        .factory-advantages {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.8rem;
        }

        .advantage-item {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 1rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: all 0.3s;
        }

        .advantage-item:hover {
            background: rgba(255, 107, 53, 0.2);
            border-color: var(--accent-orange);
            transform: translateY(-3px);
        }

        .advantage-icon {
            font-size: 1.8rem;
            flex-shrink: 0;
        }

        .advantage-content h4 {
            color: white;
            font-size: 0.95rem;
            margin: 0 0 0.2rem 0;
            font-weight: 600;
        }

        .advantage-content p {
            color: rgba(255,255,255,0.8);
            font-size: 0.8rem;
            margin: 0;
            line-height: 1.3;
        }

        @media (max-width: 768px) {
            .hero-visual {
                height: auto;
            }
            .hero-carousel {
                height: 200px;
            }
            .factory-advantages {
                grid-template-columns: 1fr;
            }
            .advantage-item {
                padding: 0.8rem;
            }
        }

        /* Section Styles */
        .section {
            padding: 6rem 2rem;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 4rem;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent-orange);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .section-description {
            font-size: 1.1rem;
            color: #64748b;
            line-height: 1.7;
        }

        /* Brand Story Section */
        .brand-story {
            background: linear-gradient(180deg, #0a1628 0%, #1a3a6c 50%, #f8fafc 50%, #f8fafc 100%);
            position: relative;
        }

        .brand-story-container {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        /* Story Hero */
        .story-hero {
            text-align: center;
            padding: 5rem 2rem 4rem;
            color: white;
        }

        .story-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            border: 1px solid rgba(255, 107, 53, 0.4);
            color: var(--accent-orange);
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 2rem;
        }

        .story-main-title {
            font-size: 3.5rem;
            font-weight: 900;
            margin-bottom: 0.5rem;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .story-sub-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            opacity: 0.9;
        }

        .story-intro {
            font-size: 1.2rem;
            opacity: 0.7;
            font-style: italic;
        }

        /* Story Section */
        .story-section {
            background: white;
            border-radius: 30px;
            padding: 4rem;
            margin: 0 2rem;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
        }

        /* Flower Story */
        .story-flower {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 3rem;
            align-items: start;
            margin-bottom: 3rem;
        }

        .flower-icon {
            font-size: 5rem;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .flower-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
        }

        .flower-story p {
            font-size: 1.05rem;
            color: #475569;
            line-height: 2;
            margin-bottom: 1rem;
        }

        .highlight-text {
            color: var(--accent-orange) !important;
            font-weight: 600;
        }

        /* Flower Bloom */
        .flower-bloom {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: linear-gradient(135deg, #0a1628 0%, #1a3a6c 100%);
            border-radius: 20px;
            color: white;
        }

        .bloom-illustration {
            position: relative;
            width: 150px;
            height: 150px;
            margin: 0 auto;
        }

        .petal {
            position: absolute;
            width: 50px;
            height: 70px;
            border-radius: 50% 50% 50% 50%;
            top: 50%;
            left: 50%;
            transform-origin: center bottom;
        }

        .petal-1 {
            background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
            transform: translate(-50%, -100%) rotate(0deg);
        }

        .petal-2 {
            background: linear-gradient(135deg, #ffd93d, #f7b731);
            transform: translate(-50%, -100%) rotate(90deg);
        }

        .petal-3 {
            background: linear-gradient(135deg, #6bcfff, #4a9eff);
            transform: translate(-50%, -100%) rotate(180deg);
        }

        .petal-4 {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            transform: translate(-50%, -100%) rotate(270deg);
        }

        .bloom-center {
            position: absolute;
            width: 30px;
            height: 30px;
            background: #ffd93d;
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 20px rgba(255, 217, 61, 0.5);
        }

        .bloom-text h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--accent-orange);
        }

        .bloom-text p {
            font-size: 1rem;
            line-height: 1.8;
        }

        .color-red { color: #ff6b6b; font-weight: 700; }
        .color-yellow { color: #ffd93d; font-weight: 700; }
        .color-blue { color: #6bcfff; font-weight: 700; }
        .color-white { color: #f8f9fa; font-weight: 700; }

        /* Flower Wisdom */
        .flower-wisdom {
            text-align: center;
            padding: 2rem;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
        }

        .wisdom-quote p {
            font-size: 1.1rem;
            color: #475569;
            line-height: 2;
            margin-bottom: 0.5rem;
        }

        .wisdom-quote p:last-child {
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 1.2rem;
        }

        /* Philosophy Section */
        .philosophy-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 3rem;
        }

        .philosophy-card {
            background: white;
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid #e2e8f0;
        }

        .philosophy-card.highlight {
            background: var(--gradient-primary);
            color: white;
            border: none;
        }

        .philosophy-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }

        .philosophy-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .philosophy-card.highlight .philosophy-title {
            color: var(--accent-orange);
        }

        .philosophy-content p {
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 0.75rem;
            color: #475569;
        }

        .philosophy-card.highlight .philosophy-content p {
            color: rgba(255, 255, 255, 0.85);
        }

        .philosophy-highlight {
            color: var(--accent-orange) !important;
            font-weight: 700;
            font-size: 1.05rem !important;
        }

        /* Customers Section */
        .customers-section {
            margin-top: 4rem;
            text-align: center;
        }

        .customers-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 2rem;
        }

        .customers-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            text-align: left;
        }

        .customer-card {
            background: white;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            border-left: 4px solid var(--accent-orange);
            display: flex;
            gap: 1rem;
        }

        .customer-icon {
            font-size: 2rem;
            flex-shrink: 0;
        }

        .customer-card p {
            font-size: 0.95rem;
            color: #475569;
            line-height: 1.7;
        }

        .customer-card strong {
            color: var(--primary-dark);
        }

        .customers-conclusion {
            margin-top: 2rem;
            padding: 2rem;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(247, 183, 49, 0.05));
            border-radius: 16px;
        }

        .customers-conclusion p {
            font-size: 1rem;
            color: #475569;
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }

        .highlight-bold {
            font-weight: 700;
            color: var(--primary-dark) !important;
        }

        .emphasis {
            font-size: 1.1rem !important;
            font-weight: 700;
            color: var(--accent-orange) !important;
        }

        /* Logo Story Section */
        .logo-story-section {
            margin-top: 4rem;
            text-align: center;
            padding: 3rem;
            background: var(--gradient-primary);
            border-radius: 24px;
            color: white;
        }

        .logo-story-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            color: var(--accent-orange);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .logo-story-title {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 2rem;
        }

        .logo-explain {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .logo-icon-large {
            width: 150px;
            height: 150px;
            object-fit: contain;
            flex-shrink: 0;
        }

        .logo-text-content {
            text-align: left;
        }

        .logo-text-content p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }

        .logo-highlight {
            font-size: 1.3rem !important;
            font-weight: 700;
            color: var(--accent-orange);
        }

        /* Door Section */
        .door-section {
            margin-top: 4rem;
            text-align: center;
        }

        .door-intro {
            margin-bottom: 2rem;
        }

        .door-intro p {
            font-size: 1.1rem;
            color: #475569;
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }

        .door-intro strong {
            color: var(--primary-dark);
        }

        .doors-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .door-item {
            background: white;
            border-radius: 20px;
            padding: 2rem 1.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .door-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
        }

        .door-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .door-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
        }

        .door-item p {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
        }

        /* Final Statement */
        .final-statement {
            margin-top: 4rem;
            text-align: center;
            padding: 4rem 2rem;
            background: linear-gradient(135deg, #0a1628 0%, #1a3a6c 100%);
            border-radius: 24px;
            color: white;
        }

        .statement-main {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 2rem;
        }

        .statement-main strong {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .statement-division {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .statement-division .line {
            width: 80px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-orange), transparent);
        }

        .statement-division .icon {
            font-size: 2rem;
        }

        .statement-sub {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }

        .statement-sub:last-child {
            font-size: 1.3rem;
            font-weight: 700;
        }

        .statement-sub strong {
            color: var(--accent-orange);
        }

        /* Brand Values */
        .brand-values {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 4rem;
        }

        .value-card {
            text-align: center;
            padding: 2.5rem 1.5rem;
            background: white;
            border-radius: 20px;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }

        .value-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
            border-color: var(--accent-orange);
        }

        .value-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin: 0 auto 1.5rem;
        }

        .value-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
        }

        .value-desc {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.7;
        }

        /* Products Section */
        .products {
            background: var(--bg-light);
        }

        .products-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .product-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.4s ease;
            cursor: pointer;
            position: relative;
            text-decoration: none;
            color: inherit;
            display: block;
        }

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

        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-accent);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .product-card:hover::before {
            transform: scaleX(1);
        }

        .product-image {
            height: 180px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .product-image img.product-img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            position: relative;
            z-index: 1;
        }

        .product-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, white, transparent);
        }

        .product-icon {
            font-size: 4rem;
            opacity: 0.3;
        }

        .product-content {
            padding: 1.5rem;
        }

        .product-category {
            font-size: 0.75rem;
            color: var(--accent-orange);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.5rem;
        }

        .product-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
        }

        .product-description {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .product-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .product-feature {
            font-size: 0.75rem;
            background: #f1f5f9;
            color: #475569;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
        }

        .product-arrow {
            position: absolute;
            bottom: 1.5rem;
            right: 1.5rem;
            width: 36px;
            height: 36px;
            background: var(--gradient-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            opacity: 0;
            transform: translateX(-10px);
            transition: all 0.3s ease;
        }

        .product-card:hover .product-arrow {
            opacity: 1;
            transform: translateX(0);
        }

        /* Features Section */
        .features {
            background: var(--gradient-primary);
            position: relative;
            overflow: hidden;
        }

        .features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
        }

        .features .section-title,
        .features .section-description {
            color: white;
        }

        .features-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            position: relative;
            z-index: 10;
        }

        .feature-card {
            text-align: center;
            padding: 2.5rem 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-accent);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2.5rem;
        }

        .feature-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: white;
            margin-bottom: 0.75rem;
        }

        .feature-description {
            font-size: 0.9rem;
            color: var(--text-gray);
            line-height: 1.6;
        }

        /* Knowledge Section (SEO Blog) */
        .knowledge {
            background: white;
        }

        .knowledge-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .knowledge-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .knowledge-tab {
            padding: 0.75rem 1.5rem;
            background: var(--bg-light);
            border: 2px solid transparent;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #64748b;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .knowledge-tab:hover,
        .knowledge-tab.active {
            background: white;
            border-color: var(--accent-orange);
            color: var(--accent-orange);
        }

        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .knowledge-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            cursor: pointer;
            border: 1px solid #e2e8f0;
        }

        .knowledge-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .knowledge-image {
            height: 200px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .knowledge-image-icon {
            font-size: 4rem;
            opacity: 0.3;
        }

        .knowledge-category {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--accent-orange);
            color: white;
            padding: 0.35rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .knowledge-content {
            padding: 1.5rem;
        }

        .knowledge-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.75rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .knowledge-excerpt {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .knowledge-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid #e2e8f0;
        }

        .knowledge-date {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .knowledge-views {
            font-size: 0.8rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .knowledge-featured {
            /* Unified card size with others */
        }

        .knowledge-featured .knowledge-image {
            height: 180px;
        }

        .knowledge-featured .knowledge-content {
            padding: 1.5rem;
        }

        .knowledge-featured .knowledge-title {
            font-size: 1.05rem;
            -webkit-line-clamp: 2;
        }

        .knowledge-featured .knowledge-excerpt {
            -webkit-line-clamp: 2;
        }

        .knowledge-more {
            text-align: center;
            margin-top: 3rem;
        }

        .knowledge-more .btn-primary {
            background: var(--gradient-accent);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
        }

        .knowledge-more .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
        }

        /* Applications Section */
        .applications {
            background: var(--bg-light);
        }

        .applications-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .application-card {
            position: relative;
            height: 300px;
            border-radius: 24px;
            overflow: hidden;
            cursor: pointer;
            group: true;
        }

        .application-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-primary);
            transition: transform 0.4s ease;
        }

        .application-card:hover .application-bg {
            transform: scale(1.1);
        }

        .application-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(10, 22, 40, 0.9), rgba(10, 22, 40, 0.3));
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 2rem;
        }

        .application-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 0.5rem;
        }

        .application-description {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .application-tags {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .application-tag {
            font-size: 0.75rem;
            background: rgba(255, 107, 53, 0.2);
            color: var(--accent-orange);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
        }

        /* Stats Section */
        .stats {
            background: var(--bg-light);
            padding: 4rem 2rem;
        }

        .stats-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .stats-card {
            text-align: center;
            padding: 2rem;
            background: white;
            border-radius: 20px;
            box-shadow: var(--shadow-card);
        }

        .stats-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .stats-number {
            font-size: 3rem;
            font-weight: 900;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        .stats-label {
            font-size: 1rem;
            color: #64748b;
            margin-top: 0.5rem;
        }

        /* CTA Section */
        .cta {
            background: var(--gradient-primary);
            padding: 6rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(255, 107, 53, 0.1), transparent 20%);
            animation: rotate 10s linear infinite;
        }

        .cta-content {
            position: relative;
            z-index: 10;
        }

        .cta h2 {
            font-size: 3rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }

        .cta p {
            font-size: 1.2rem;
            color: var(--text-gray);
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta .btn-primary {
            font-size: 1.1rem;
            padding: 1.25rem 2.5rem;
        }

        .cta .btn-secondary {
            font-size: 1.1rem;
            padding: 1.25rem 2.5rem;
        }

        /* Contact Section */
        .contact {
            background: var(--bg-light);
        }

        .contact-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
        }

        .contact-info p {
            color: #64748b;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .contact-items {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: rgba(255, 107, 53, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-orange);
        }

        .contact-text h4 {
            font-size: 0.9rem;
            color: #64748b;
            font-weight: 500;
            margin-bottom: 0.25rem;
        }

        .contact-text p {
            font-size: 1.1rem;
            color: var(--primary-dark);
            font-weight: 600;
            margin: 0;
        }

        /* 一键拨打按钮 - 桌面端 */
        .contact-phone-btn {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            width: 100%;
            padding: 1rem 1.5rem;
            background: linear-gradient(135deg, #ff6b35, #f7b731);
            border-radius: 12px;
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
            transition: all 0.3s ease;
        }

        .contact-phone-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
        }

        .contact-phone-btn .phone-icon {
            font-size: 1.5rem;
        }

        .contact-phone-btn .phone-text {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .contact-phone-btn .phone-arrow {
            font-size: 0.8rem;
            opacity: 0.9;
            background: rgba(255,255,255,0.2);
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            margin-left: auto;
        }

        .contact-form {
            background: white;
            padding: 3rem;
            border-radius: 24px;
            box-shadow: var(--shadow-card);
        }

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

        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            padding: 1rem 1.25rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
            background: #f8fafc;
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent-orange);
            background: white;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }

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

        .form-submit {
            width: 100%;
            background: var(--gradient-accent);
            color: white;
            padding: 1.25rem;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: white;
            padding: 4rem 2rem 2rem;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-brand .logo {
            margin-bottom: 1.5rem;
        }

        .footer-brand p {
            color: var(--text-gray);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
        }

        .social-link {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-link:hover {
            background: var(--accent-orange);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: white;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: var(--text-gray);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--accent-orange);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 3rem auto 0;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom p {
            color: var(--text-gray);
            font-size: 0.85rem;
        }

        /* Scroll Animation */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .knowledge-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .knowledge-featured {
                /* Unified with other cards - no special span */
            }

            .applications-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-container {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }

            .brand-highlight {
                grid-template-columns: 1fr;
            }

            .brand-values {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                flex-direction: row;
            }

            .timeline-content {
                width: calc(100% - 60px);
                margin-left: 50px;
            }

            .timeline-content::before,
            .timeline-item:nth-child(odd) .timeline-content::before,
            .timeline-item:nth-child(even) .timeline-content::before {
                left: -42px !important;
                right: auto !important;
            }
        }

        @media (max-width: 768px) {
            /* Navigation Mobile */
            .nav {
                padding: 0.75rem 1rem;
            }
            .nav-container {
                padding: 0 0.5rem;
            }
            .logo-img {
                width: 36px;
                height: 36px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-sub {
                font-size: 0.6rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 22, 40, 0.98);
                flex-direction: column;
                padding: 1rem;
                gap: 0.75rem;
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                text-align: center;
            }
            .nav-links a {
                display: block;
                padding: 0.5rem;
                font-size: 1rem;
            }
            .nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }

            /* Hero Mobile */
            .hero {
                padding: 5rem 1rem 3rem;
                min-height: auto;
            }
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero h1 {
                font-size: 2rem;
                line-height: 1.3;
            }
            .hero-description {
                font-size: 0.95rem;
            }
            .hero-buttons {
                justify-content: center;
                flex-wrap: wrap;
                gap: 0.75rem;
            }
            .hero-stats {
                justify-content: center;
                flex-wrap: wrap;
                gap: 1rem;
            }
            .stat-item {
                min-width: 80px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .hero-visual {
                display: flex;
                flex-direction: column;
                margin-top: 2rem;
            }
            .hero-carousel {
                height: 180px;
                border-radius: 16px;
            }
            .factory-advantages {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
            .advantage-item {
                padding: 0.75rem;
                font-size: 0.85rem;
            }

            /* Section Mobile */
            .section {
                padding: 3rem 1rem;
            }
            .section-badge {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .section-title {
                font-size: 1.75rem;
                margin-bottom: 2rem;
            }
            .section-description {
                font-size: 0.95rem;
            }

            /* Products Grid Mobile */
            .products-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .product-card {
                padding: 1rem;
            }
            .product-icon {
                font-size: 2rem;
            }
            .product-card h3 {
                font-size: 0.95rem;
            }
            .product-card p {
                font-size: 0.78rem;
            }
            .product-image {
                height: 160px;
            }
            .product-image img.product-img {
                width: 75%;
                height: 75%;
                object-fit: contain;
                display: block;
                margin: 0 auto;
                position: relative;
                top: 50%;
                transform: translateY(-50%);
            }

            /* Features Grid Mobile */
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .feature-icon {
                width: 50px;
                height: 50px;
                font-size: 1.5rem;
            }
            .feature-card h3 {
                font-size: 1rem;
            }

            /* Knowledge Grid Mobile */
            .knowledge-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }
            .knowledge-featured,
            .knowledge-card {
                padding: 0;
            }
            .knowledge-image {
                height: 90px;
            }
            .knowledge-image-icon {
                font-size: 2rem;
            }
            .knowledge-category {
                font-size: 0.6rem;
                padding: 0.2rem 0.5rem;
                top: 0.5rem;
                left: 0.5rem;
            }
            .knowledge-content {
                padding: 0.65rem;
            }
            .knowledge-featured .knowledge-content {
                padding: 0.65rem;
            }
            .knowledge-title {
                font-size: 0.8rem;
                margin-bottom: 0.3rem;
                -webkit-line-clamp: 2;
            }
            .knowledge-featured .knowledge-title {
                font-size: 0.8rem;
            }
            .knowledge-excerpt {
                display: none;
            }
            .knowledge-featured .knowledge-excerpt {
                display: none;
            }
            .knowledge-meta {
                padding-top: 0.4rem;
                border-top: 1px solid #e2e8f0;
                flex-wrap: wrap;
                gap: 0.25rem;
            }
            .knowledge-date {
                font-size: 0.65rem;
            }
            .knowledge-views {
                font-size: 0.65rem;
            }
            .knowledge-more {
                margin-top: 1.5rem;
            }
            .knowledge-more .btn-primary {
                padding: 0.7rem 1.5rem;
                font-size: 0.85rem;
            }

            /* Applications Grid Mobile */
            .applications-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .application-card {
                padding: 1.5rem;
            }
            .application-card .app-icon {
                font-size: 2.5rem;
            }
            .application-card h3 {
                font-size: 1.1rem;
            }

            /* Stats Container Mobile */
            .stats-container {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .stat-card {
                padding: 1.25rem;
            }
            .stat-card .number {
                font-size: 2rem;
            }

            /* Brand Section Mobile */
            .brand-highlight {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 2rem 1.5rem;
            }
            .brand-hero {
                padding: 2rem 1rem;
            }
            .brand-hero h2 {
                font-size: 1.75rem;
            }
            .brand-values {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .value-item {
                padding: 1rem;
            }

            /* Timeline Mobile */
            .timeline-section {
                padding: 2rem 1rem;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                flex-direction: row;
                padding-left: 50px;
            }
            .timeline-content {
                width: 100%;
                margin-left: 0;
                padding: 1rem;
            }
            .timeline-content::before,
            .timeline-item:nth-child(odd) .timeline-content::before,
            .timeline-item:nth-child(even) .timeline-content::before {
                left: -42px !important;
                right: auto !important;
            }
            .timeline-dot {
                left: 8px !important;
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }

            /* Contact Section Mobile */
            .contact-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .contact-info {
                padding: 1.5rem;
            }
            .contact-info h3 {
                font-size: 1.5rem;
            }
            .contact-item {
                padding: 0.75rem;
                gap: 0.75rem;
            }
            .contact-icon {
                width: 40px;
                height: 40px;
                font-size: 1.25rem;
            }
            .contact-text h4 {
                font-size: 0.9rem;
            }
            .contact-text p {
                font-size: 0.85rem;
            }
            .contact-form {
                padding: 1.5rem;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .form-group {
                margin-bottom: 1rem;
            }
            .form-label {
                font-size: 0.85rem;
            }
            .form-input,
            .form-select,
            .form-textarea {
                padding: 0.75rem;
                font-size: 0.9rem;
            }
            .form-submit {
                width: 100%;
                padding: 0.875rem;
            }

            /* CTA Section Mobile */
            .cta {
                padding: 3rem 1rem;
            }
            .cta h2 {
                font-size: 1.5rem;
                margin-bottom: 1rem;
            }
            .cta p {
                font-size: 0.95rem;
            }
            .cta-buttons {
                flex-direction: column;
                gap: 0.75rem;
            }
            .cta .btn-primary,
            .cta .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            /* Footer Mobile */
            .footer {
                padding: 3rem 1rem 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: center;
            }
            .footer-section h3 {
                font-size: 1rem;
            }
            .footer-section ul {
                font-size: 0.85rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                font-size: 0.8rem;
            }
            .social-links {
                justify-content: center;
            }
            .social-link {
                width: 36px;
                height: 36px;
            }

            /* Wechat Modal Mobile */
            .wechat-modal-content {
                padding: 1.5rem;
                margin: 1rem;
                border-radius: 16px;
            }
            .wechat-icon {
                font-size: 2.5rem;
            }
            .wechat-modal-header h3 {
                font-size: 1.25rem;
            }
            .wechat-qrcode {
                padding: 1rem;
            }
            .wechat-qrcode img {
                max-width: 160px;
            }
        }

        /* Wechat Modal Styles */
        .wechat-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 9999;
            justify-content: center;
            align-items: center;
            animation: fadeIn 0.3s ease;
        }

        .wechat-modal.active {
            display: flex;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .wechat-modal-content {
            background: white;
            border-radius: 24px;
            padding: 2.5rem;
            max-width: 400px;
            width: 90%;
            text-align: center;
            position: relative;
            animation: slideUp 0.3s ease;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
        }

        .wechat-modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 36px;
            height: 36px;
            border: none;
            background: #f1f5f9;
            border-radius: 50%;
            font-size: 1.5rem;
            line-height: 1;
            cursor: pointer;
            color: #64748b;
            transition: all 0.3s;
        }

        .wechat-modal-close:hover {
            background: #e2e8f0;
            color: #0a1628;
        }

        .wechat-modal-header {
            margin-bottom: 2rem;
        }

        .wechat-icon {
            font-size: 3.5rem;
            margin-bottom: 1rem;
        }

        .wechat-modal-header h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #0a1628;
            margin-bottom: 0.5rem;
        }

        .wechat-modal-header p {
            color: #64748b;
            font-size: 0.95rem;
        }

        .wechat-qrcode {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .wechat-qrcode img {
            max-width: 200px;
            width: 100%;
            border-radius: 12px;
        }

        .qrcode-placeholder {
            padding: 2rem;
            color: #94a3b8;
        }

        .qrcode-icon {
            font-size: 3rem;
            display: block;
            margin-bottom: 0.5rem;
        }

        .qrcode-placeholder p {
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .qrcode-placeholder small {
            font-size: 0.8rem;
            color: #cbd5e1;
        }

        .wechat-tips {
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(247, 183, 49, 0.1));
            border-radius: 12px;
            padding: 1rem;
        }

        .wechat-tips p {
            color: #0a1628;
            font-size: 0.9rem;
            margin: 0;
        }

        /* Contact Item Wechat Hover */
        .contact-item-wechat {
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .contact-item-wechat:hover {
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.1));
            border-color: #22c55e;
        }

        .contact-item-wechat:hover .contact-icon {
            background: linear-gradient(135deg, #22c55e, #16a34a);
            transform: scale(1.1);
        }

        .contact-item-wechat .contact-text p {
            color: #22c55e;
            font-weight: 500;
        }

        /* 热线电话按钮 */
        .contact-phone-btn {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            width: 100%;
            padding: 1rem 1.5rem;
            background: linear-gradient(135deg, #ff6b35, #f7b731);
            border-radius: 12px;
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
        }

        .contact-phone-btn .phone-icon {
            font-size: 1.5rem;
        }

        .contact-phone-btn .phone-text {
            font-size: 1.1rem;
        }

        .contact-phone-btn .phone-arrow {
            font-size: 0.8rem;
            opacity: 0.9;
            background: rgba(255,255,255,0.2);
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
        }
@media (max-width: 768px) {
    /* 全局文字大小 - 参考二级页面标准 */
    html { font-size: 18px; }

    body { font-size: 1rem; line-height: 1.6; }

    /* 导航栏 */
    .nav {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
        z-index: 1000;
    }

    .logo-img { width: 36px; height: 36px; }
    .logo-text { font-size: 1.1rem; }
    .logo-sub { font-size: 0.6rem; }

    .nav-links a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    /* Hero区域 */
    .hero { padding: 80px 1rem 2rem; }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.3rem 0.8rem;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin: 0.5rem 0;
    }

    .hero-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-buttons a {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        text-align: center;
    }

    .hero-visual {
        margin-top: 1.5rem;
    }

    .hero-carousel {
        height: 200px;
    }

    .factory-advantages {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 0.75rem;
    }

    /* Section通用 */
    .section {
        padding: 2rem 1rem;
    }

    .section-header {
        margin-bottom: 1.5rem;
    }

    .section-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }

    .section-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .section-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    /* ============================================
       品牌故事 - 移动端完整适配(紧凑版)
       ============================================ */
    .brand-story {
        padding: 0.75rem 0.5rem;
        background: linear-gradient(180deg, #0a1628 0%, #1a3a6c 100%);
    }

    .brand-story-container {
        max-width: 100%;
        padding: 0;
    }

    /* 品牌故事头部 */
    .story-hero {
        text-align: center;
        margin-bottom: 1rem;
        padding: 0.5rem 0.25rem;
    }

    .story-badge {
        font-size: 0.8rem;
        padding: 0.25rem 0.6rem;
        margin-bottom: 0.5rem;
    }

    .story-main-title {
        font-size: 1.6rem;
        line-height: 1.3;
        margin-bottom: 0.2rem;
    }

    .story-sub-title {
        font-size: 1.2rem;
        color: #f7b731;
        margin-bottom: 0.3rem;
    }

    .story-intro {
        font-size: 0.95rem;
        color: #94a3b8;
    }

    /* 依米花故事 - 垂直堆叠 */
    .story-section {
        margin-bottom: 1rem;
    }

    .story-flower {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 1rem;
        padding: 0.75rem 0.25rem;
    }

    .flower-icon {
        font-size: 2.2rem;
        margin-bottom: 0.5rem;
    }

    .flower-content {
        width: 100%;
    }

    .flower-title {
        font-size: 1.1rem;
        line-height: 1.4;
        margin-bottom: 0.5rem;
    }

    .flower-story p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 0.4rem;
        text-align: left;
    }

    .flower-story .highlight-text {
        color: #f7b731;
        font-weight: 600;
    }

    /* 花朵绽放动画 - 隐藏 */
    .flower-bloom {
        display: none;
    }

    /* 花语感悟 */
    .flower-wisdom {
        padding: 0.75rem;
        background: rgba(255,255,255,0.05);
        border-radius: 8px;
        margin-bottom: 1rem;
    }

    .wisdom-quote p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 0.4rem;
        text-align: center;
    }

    .wisdom-quote p:first-child {
        color: #f7b731;
        font-weight: 600;
    }

    /* 依米理念 - 卡片式 */
    .philosophy-section {
        margin-bottom: 1rem;
    }

    .philosophy-card {
        background: rgba(255,255,255,0.05);
        border-radius: 8px;
        padding: 0.75rem;
        margin-bottom: 0.75rem;
        text-align: center;
    }

    .philosophy-icon {
        font-size: 1.6rem;
        margin-bottom: 0.4rem;
    }

    .philosophy-title {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
        color: #fff;
    }

    .philosophy-content p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 0.4rem;
        text-align: left;
        color: #ffffff;
    }

    .philosophy-highlight {
        color: #ff6b35;
        font-weight: 600;
        padding: 0.5rem;
        background: rgba(255,107,53,0.15);
        border-radius: 8px;
        margin-top: 0.5rem;
    }

    .philosophy-card.highlight {
        border: 1px solid rgba(255,107,53,0.3);
    }

    /* 客户故事 - 垂直列表 */
    .customers-section {
        margin-bottom: 1rem;
        padding: 0.75rem;
        background: rgba(255,255,255,0.03);
        border-radius: 8px;
    }

    .customers-title {
        font-size: 1.1rem;
        text-align: center;
        margin-bottom: 0.75rem;
        color: #f7b731;
    }

    .customers-grid {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .customer-card {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.5rem;
        background: rgba(255,255,255,0.05);
        border-radius: 6px;
    }

    .customer-icon {
        font-size: 1.4rem;
        flex-shrink: 0;
    }

    .customer-card p {
        font-size: 1rem;
        line-height: 1.6;
        text-align: left;
        color: #ffffff;
    }

    .customers-conclusion {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .customers-conclusion p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 0.3rem;
        color: #ffffff;
    }

    .highlight-bold {
        color: #f7b731;
        font-weight: 600;
    }

    .emphasis {
        color: #22c55e;
        font-weight: 600;
    }

    /* Logo故事 */
    .logo-story-section {
        text-align: center;
        margin-bottom: 1rem;
        padding: 0.75rem;
        background: rgba(255,255,255,0.03);
        border-radius: 8px;
    }

    .logo-story-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
        margin-bottom: 0.4rem;
    }

    .logo-story-title {
        font-size: 1.3rem;
        margin-bottom: 0.75rem;
    }

    .logo-explain {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .logo-icon-large {
        width: 60px;
        height: 60px;
    }

    .logo-text-content {
        width: 100%;
    }

    .logo-text-content p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 0.4rem;
        text-align: left;
    }

    .logo-highlight {
        color: #ff6b35;
        font-weight: 600;
    }

    /* 四扇门 - 2x2网格 */
    .doors-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
        margin-top: 0.75rem;
    }

    .door-item {
        padding: 0.5rem;
        background: rgba(255,255,255,0.05);
        border-radius: 6px;
        text-align: center;
    }

    .door-icon {
        font-size: 1.4rem;
        margin-bottom: 0.2rem;
    }

    .door-item h4 {
        font-size: 0.95rem;
        margin-bottom: 0.15rem;
        color: #fff;
    }

    .door-item p {
        font-size: 0.8rem;
        line-height: 1.4;
        color: #94a3b8;
    }

    /* 结语 */
    .final-statement {
        margin-bottom: 1rem;
        padding: 0.75rem;
        background: linear-gradient(135deg, rgba(255,107,53,0.2), rgba(247,183,49,0.2));
        border-radius: 8px;
        text-align: center;
    }

    .statement-main {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .statement-division {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        margin-bottom: 0.5rem;
    }

    .statement-division .line {
        width: 30px;
        height: 1px;
        background: rgba(255,255,255,0.3);
    }

    .statement-division .icon {
        font-size: 1.1rem;
    }

    .statement-sub {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 0.2rem;
    }

    /* 品牌价值观 */
    .brand-values {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .value-card {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.6rem;
        background: rgba(255,255,255,0.05);
        border-radius: 8px;
        text-align: left;
    }

    .value-icon {
        font-size: 1.5rem;
        flex-shrink: 0;
    }

    .value-title {
        font-size: 1rem;
        margin-bottom: 0.15rem;
    }

    .value-desc {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* 产品中心 - 每行两款 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .product-card {
        flex-direction: column;
        padding: 0.5rem;
        align-items: center;
        text-align: center;
    }

    .product-image {
        width: 100%;
        height: 80px;
        object-fit: cover;
        border-radius: 6px;
    }

    .product-content {
        flex: 1;
        padding: 0.5rem 0;
        width: 100%;
    }

    .product-category {
        font-size: 0.6rem;
    }

    .product-title {
        font-size: 0.85rem;
        font-weight: 600;
    }

    .product-description {
        font-size: 0.7rem;
        line-height: 1.4;
        -webkit-line-clamp: 2;
        display: none; /* 隐藏描述节省空间 */
    }

    .product-features {
        gap: 0.2rem;
        justify-content: center;
        flex-wrap: wrap;
    }

    .product-feature {
        font-size: 0.55rem;
        padding: 0.1rem 0.3rem;
    }

    .product-arrow {
        display: none; /* 隐藏箭头节省空间 */
    }

    /* 核心优势 - 每行两个 */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .feature-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 0.75rem 0.5rem;
        gap: 0.5rem;
    }

    .feature-icon {
        font-size: 1.5rem;
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }

    .feature-content h3 {
        font-size: 1rem;
    }

    .feature-content p {
        font-size: 0.8rem;
    }

    /* 应用场景 - 每行两个 */
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .application-card {
        height: 140px;
    }

    .application-title {
        font-size: 0.9rem;
    }

    .application-description {
        font-size: 0.7rem;
    }

    .application-tag {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
    }

    /* 数据统计 */
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 0 1rem;
    }

    .stats-number {
        font-size: 1.8rem;
    }

    .stats-label {
        font-size: 0.75rem;
    }

    /* CTA区域 */
    .cta {
        padding: 3rem 1rem;
    }

    .cta h2 {
        font-size: 1.3rem;
        line-height: 1.4;
    }

    .cta p {
        font-size: 0.85rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .cta-buttons a {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    /* 联系表单 */
    .contact-container {
        flex-direction: column;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* 一键拨打按钮 - 移动端 */
    .contact-phone-btn {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 0.75rem;
        width: 100%;
        padding: 1rem 1.5rem;
        background: linear-gradient(135deg, #ff6b35, #f7b731);
        border-radius: 12px;
        color: #fff;
        text-decoration: none;
        font-weight: 600;
        font-size: 0.95rem;
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    }

    .contact-phone-btn .phone-icon {
        font-size: 1.5rem;
    }

    .contact-phone-btn .phone-text {
        font-size: 1.1rem;
    }

    .contact-phone-btn .phone-arrow {
        font-size: 0.8rem;
        background: rgba(255,255,255,0.2);
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
    }

    .contact-item {
        flex-direction: row;
        padding: 1rem;
        gap: 0.75rem;
    }

    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .contact-text h4 {
        font-size: 0.9rem;
    }

    .contact-text p {
        font-size: 0.85rem;
    }

    .qrcode img {
        width: 80px;
        height: 80px;
    }

    .contact-form {
        padding: 1rem 0.75rem;
    }

    .form-row {
        flex-direction: column;
    }

    .form-group {
        margin-bottom: 0.75rem;
    }

    .form-label {
        font-size: 0.85rem;
    }

    .form-input,
    .form-select,
    .form-textarea {
        padding: 0.6rem;
        font-size: 0.9rem;
    }

    .form-submit {
        width: 100%;
        padding: 0.75rem;
        font-size: 0.95rem;
    }

    /* ============================================
       页脚 - 移动端优化(四列布局)
       ============================================ */
    .footer {
        padding: 0;
    }

    .footer-container {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 0.3rem;
        padding: 0.75rem 0.5rem;
    }

    /* 品牌介绍 - 隐藏,占满位置给链接 */
    .footer-brand {
        display: none;
    }

    /* 列标题 */
    .footer-column h4 {
        font-size: 0.7rem;
        margin-bottom: 0.3rem;
        color: #f7b731;
    }

    /* 链接列表 */
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-links li {
        margin-bottom: 0.15rem;
    }

    .footer-links a {
        font-size: 0.65rem;
        color: #94a3b8;
        text-decoration: none;
        transition: color 0.3s;
    }

    .footer-links a:hover {
        color: #fff;
    }

    /* 底部版权 */
    .footer-bottom {
        grid-column: span 4;
        text-align: center;
        padding: 0.5rem;
        border-top: 1px solid rgba(255,255,255,0.1);
        font-size: 0.6rem;
        color: #64748b;
    }

    .footer-bottom p {
        margin: 0.1rem 0;
    }

    /* 微信弹窗 */
    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }

    .modal-qrcode img {
        width: 150px;
        height: 150px;
    }

    .modal-text h3 {
        font-size: 1.1rem;
    }

    .modal-text p {
        font-size: 0.85rem;
    }

    /* 首页专属 - 放大字体(移动端生效) */
    body.home h1 {
        font-size: 3.2rem !important;
    }
    body.home .hero-description {
        font-size: 1.5rem !important;
    }

    /* 移动端首页字体缩小 */
    @media (max-width: 768px) {
        body.home h1 {
            font-size: 1.6rem !important;
        }
        body.home .hero-description {
            font-size: 0.85rem !important;
        }
    }
    
    body.home .section-title {
        font-size: 2.1rem !important;
    }
    body.home .product-title {
        font-size: 1.4rem !important;
    }
    body.home .product-description {
        font-size: 1.2rem !important;
    }
    body.home .btn-primary,
    body.home .btn-secondary {
        font-size: 1.3rem !important;
    }
    body.home .stat-number {
        font-size: 2.2rem !important;
    }
    body.home .stat-label {
        font-size: 1.2rem !important;
    }
    body.home .advantage-content h4 {
        font-size: 1.4rem !important;
    }
    body.home .advantage-content p {
        font-size: 1.2rem !important;
    }
    body.home .scenario-name {
        font-size: 1.4rem !important;
    }
    body.home .footer-column h4 {
        font-size: 1.3rem !important;
    }
    body.home .footer-links a {
        font-size: 1.2rem !important;
    }

    /* 淡入动画 */
    .fade-in {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-container {
        gap: 2rem;
    }

    .form-row {
        flex-direction: column;
    }
}
@media (max-width: 480px) {
    html { font-size: 13px; }

    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .products-grid {
        gap: 0.75rem;
    }

    .product-image {
        height: 120px;
    }

    .knowledge-grid {
        gap: 0.5rem;
    }
    .knowledge-image {
        height: 70px;
    }
    .knowledge-content {
        padding: 0.5rem;
    }
    .knowledge-title {
        font-size: 0.72rem;
        -webkit-line-clamp: 2;
    }
    .knowledge-meta {
        padding-top: 0.25rem;
    }
    .knowledge-date,
    .knowledge-views {
        font-size: 0.6rem;
    }

    .stats-container {
        gap: 0.75rem;
    }

    .stats-number {
        font-size: 1.5rem;
    }
}

/* ===== 品牌故事折叠面板 ===== */
.accordion-item {
    margin: 0 auto 1rem;
    max-width: 900px;
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s ease;
}

.accordion-header:hover {
    background: rgba(255, 107, 53, 0.05);
}

.accordion-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-size: 1.15rem;
    font-weight: 600;
    color: #e2e8f0;
}

.accordion-arrow {
    font-size: 0.85rem;
    color: #ff6b35;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-arrow {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.accordion-item.active .accordion-body {
    max-height: 5000px;
    padding: 0 1.5rem 1.5rem;
}

@media (max-width: 768px) {
    .accordion-header {
        padding: 1rem 1.25rem;
    }
    .accordion-title {
        font-size: 1rem;
    }
    .accordion-body {
        padding: 0 1.25rem;
    }
    .accordion-item.active .accordion-body {
        padding: 0 1.25rem 1.25rem;
    }
}

/* ===== 回到顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b35 0%, #f7b731 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.back-to-top:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
}

/* ===== 科普文章详情（single.php） ===== */
/* 与产品详情页字体统一 */
.single-article-content h2 {
    font-size: 32px;
    font-weight: 800;
    color: #0a1628;
    line-height: 1.6;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.single-article-content h3 {
    font-size: 17.6px;
    font-weight: 700;
    color: #0a1628;
    line-height: 1.6;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.single-article-content p {
    font-size: 17.6px;
    font-weight: 400;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.single-article-content ul,
.single-article-content ol {
    font-size: 17.6px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.single-article-content li {
    margin-bottom: 0.5rem;
}

.single-article-content strong {
    color: #0a1628;
    font-weight: 700;
}

.single-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 16px;
    color: #475569;
}

.single-article-content th,
.single-article-content td {
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    text-align: left;
}

.single-article-content th {
    background: #f8fafc;
    font-weight: 700;
    color: #0a1628;
}

@media (max-width: 768px) {
    .single-article-content h2 {
        font-size: 24px;
    }
    .single-article-content h3 {
        font-size: 17.6px;
    }
    .single-article-content p,
    .single-article-content ul,
    .single-article-content ol {
        font-size: 16px;
    }
}