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

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    background: #ffffff;
    color: #000000;
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    -webkit-font-smoothing: antialiased;
}

/* Language Toggle */
.language-toggle {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1000;
}

.lang-btn {
    background: #E60012;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.lang-btn:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(230, 0, 18, 0.4);
}

/* Hero Banner Image */
.hero-banner {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.hero-banner img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
}

/* Image Section */
.image-section {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.image-section img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
}

/* Hero Section - 最重要的开头 */
.hero {
    background: #ffffff;
    padding: 0 15px 30px;
    text-align: center;
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
}

.hero-content {
    max-width: 100%;
    width: 100%;
    padding: 0 5px;
}

.hero-title {
    font-size: 32px;
    font-weight: 900;
    color: #E60012;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    word-wrap: break-word;
}

.hero-problems {
    background: #fff;
    border: 3px solid #E60012;
    border-radius: 12px;
    padding: 20px 15px;
    margin-bottom: 20px;
    max-width: 100%;
}

.problem-item {
    font-size: 17px;
    font-weight: 700;
    color: #E60012;
    margin: 12px 0;
    text-align: left;
    padding-left: 5px;
    word-wrap: break-word;
}

.hero-solution {
    background: #E60012;
    padding: 18px 15px;
    border-radius: 12px;
    margin-bottom: 25px;
    max-width: 100%;
}

.solution-text {
    font-size: 20px;
    font-weight: 900;
    color: #ffffff;
    margin: 0;
    word-wrap: break-word;
}

.cta-button {
    display: inline-block;
    background: #E60012;
    color: #ffffff;
    font-size: 20px;
    font-weight: 900;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    text-transform: uppercase;
    box-shadow: 0 8px 20px rgba(230, 0, 18, 0.4);
    transition: transform 0.3s;
    -webkit-tap-highlight-color: transparent;
}

.cta-button:active {
    transform: scale(0.95);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 20px rgba(230, 0, 18, 0.4);
    }
    50% {
        box-shadow: 0 8px 30px rgba(230, 0, 18, 0.7);
    }
}

/* Trust Section */
.trust {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 30px 15px;
    background: #E60012;
    max-width: 100%;
    margin: 0;
    box-sizing: border-box;
}

.trust-badge {
    text-align: center;
    color: #ffffff;
    padding: 15px 5px;
}

.badge-number {
    font-size: 40px;
    font-weight: 900;
    line-height: 1;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.badge-text {
    font-size: 12px;
    font-weight: 700;
    margin-top: 10px;
    line-height: 1.3;
    word-wrap: break-word;
}

/* Sections */
section {
    padding: 40px 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.section-title {
    font-size: 26px;
    font-weight: 900;
    color: #E60012;
    text-align: center;
    margin-bottom: 25px;
    text-transform: uppercase;
    word-wrap: break-word;
    padding: 0 10px;
}

/* Audience Section */
.audience {
    background: #ffffff;
}

.audience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 5px;
}

.audience-card {
    background: #fff;
    border: 3px solid #E60012;
    border-radius: 12px;
    padding: 20px 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.audience-card:active {
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
}

.icon {
    font-size: 38px;
    margin-bottom: 10px;
}

.audience-card h3 {
    font-size: 16px;
    font-weight: 900;
    color: #E60012;
    margin-bottom: 8px;
    line-height: 1.3;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-wrap: break-word;
}

.audience-card p {
    font-size: 13px;
    color: #333;
    line-height: 1.4;
    word-wrap: break-word;
}

/* Products Section */
.products {
    background: #f8f8f8;
}

.product-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 5px;
}

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:active {
    transform: scale(0.98);
}

.product-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 15px 10px;
    border-top: 4px solid #E60012;
    text-align: center;
}

.product-info h3 {
    font-size: 16px;
    font-weight: 900;
    color: #E60012;
    margin-bottom: 8px;
    line-height: 1.3;
    word-wrap: break-word;
}

.product-info p {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
    word-wrap: break-word;
}

/* Benefits Section */
.benefits {
    background: #ffffff;
}

.benefit-list {
    max-width: 500px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 15px;
}

.check {
    font-size: 28px;
    color: #E60012;
    font-weight: 900;
    flex-shrink: 0;
}

.benefit-item h3 {
    font-size: 18px;
    font-weight: 900;
    color: #E60012;
    margin-bottom: 5px;
}

.benefit-item p {
    font-size: 15px;
    color: #666;
}

/* Factory Section */
.factory {
    background: #ffffff;
}

.factory-gallery {
    max-width: 500px;
    margin: 0 auto;
    display: grid;
    gap: 15px;
}

.factory-image {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    border: 3px solid #E60012;
}

.factory-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Social Proof */
.social-proof {
    background: #E60012;
    color: #ffffff;
    text-align: center;
}

.social-proof .section-title {
    color: #ffffff;
}

.proof-text {
    font-size: 18px;
    line-height: 1.8;
    max-width: 500px;
    margin: 0 auto;
}

/* Cases Section */
.cases {
    background: #f8f8f8;
}

.cases-gallery {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    gap: 15px;
    padding: 0 5px;
}

.case-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    background: #fff;
}

.case-item img {
    width: 100%;
    height: auto;
    display: block;
}

.case-label {
    background: #E60012;
    color: #ffffff;
    font-size: 18px;
    font-weight: 900;
    padding: 14px;
    text-align: center;
    text-transform: uppercase;
}

/* Contact Section */
.contact {
    background: #ffffff;
    padding: 40px 20px 50px;
}

.contact-subtitle {
    text-align: center;
    font-size: 16px;
    color: #E60012;
    font-weight: 700;
    margin-bottom: 25px;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto 30px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 12px;
    border: 2px solid #E60012;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #E60012;
    box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.1);
}

.submit-button {
    width: 100%;
    background: #E60012;
    color: #ffffff;
    font-size: 18px;
    font-weight: 900;
    padding: 16px;
    border: none;
    border-radius: 50px;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.3);
    -webkit-tap-highlight-color: transparent;
}

.submit-button:active {
    transform: scale(0.98);
}

.contact-direct {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.direct-title {
    font-size: 18px;
    font-weight: 700;
    color: #E60012;
    margin-bottom: 20px;
}

.contact-link {
    display: block;
    background: #E60012;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 50px;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

.contact-link:active {
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #000000;
    color: #ffffff;
    text-align: center;
    padding: 30px 20px;
    font-size: 14px;
}

.footer p {
    margin: 5px 0;
}

/* Responsive */
@media (min-width: 500px) {
    .trust {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 375px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .badge-number {
        font-size: 36px;
    }
    
    .badge-text {
        font-size: 11px;
    }
    
    .problem-item {
        font-size: 15px;
    }
    
    .cta-button {
        font-size: 18px;
        padding: 16px 40px;
    }
}

@media (max-width: 320px) {
    .hero-title {
        font-size: 28px;
    }
    
    .badge-number {
        font-size: 32px;
    }
}