:root {
    --primary-dark: #0D3B2E;
    --primary: #1A5D4C;
    --primary-light: #2A7D6A;
    --accent-gold: #C9A962;
    --accent-gold-light: #E5D4A1;
    --text-dark: #1A1A1A;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-light: #F8FAF9;
    --bg-white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 手机端最终紧凑覆盖 ===== */
@media (max-width: 640px) {
    body {
        line-height: 1.55;
    }

    .navbar {
        padding: 8px 0;
    }

    .navbar.scrolled {
        padding: 7px 0;
    }

    .nav-container {
        padding: 0 14px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        font-size: 14px;
    }

    .logo-name {
        font-size: 16px;
    }

    .nav-cta {
        padding: 8px 12px;
        font-size: 12px;
        box-shadow: none;
    }

    .hero {
        padding: 78px 0 38px;
    }

    .hero-content,
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .hero-content {
        gap: 18px;
    }

    .hero-badge {
        padding: 6px 12px;
        font-size: 12px;
        margin-bottom: 14px;
    }

    .hero-title {
        font-size: 28px;
        line-height: 1.22;
        margin-bottom: 14px;
    }

    .hero-desc {
        font-size: 14px;
        line-height: 1.65;
        margin-bottom: 18px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 11px 18px;
        font-size: 14px;
        border-radius: 28px;
    }

    .hero-photo {
        margin-bottom: 12px;
        aspect-ratio: 16 / 9;
        border-radius: 12px;
    }

    .hero-card {
        padding: 12px;
        border-radius: 12px;
    }

    .hero-stats {
        gap: 8px;
    }

    .stat-item {
        padding: 11px 6px;
        border-radius: 10px;
    }

    .stat-number {
        font-size: 24px;
        margin-bottom: 4px;
    }

    .stat-label {
        font-size: 12px;
    }

    .services,
    .features,
    .products,
    .process,
    .cleaning,
    .cases,
    .certificates,
    .news,
    .about {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 24px;
    }

    .section-tag {
        padding: 5px 12px;
        font-size: 12px;
        margin-bottom: 10px;
    }

    .section-title,
    .about-text h2 {
        font-size: 24px;
        line-height: 1.28;
        margin-bottom: 10px;
    }

    .section-desc,
    .about-text p {
        font-size: 14px;
        line-height: 1.65;
    }

    .services-grid,
    .features-grid,
    .products-grid,
    .cleaning-grid,
    .cases-grid,
    .certificates-grid,
    .news-grid,
    .process-timeline,
    .about-features {
        gap: 14px;
    }

    .service-card,
    .feature-card,
    .cleaning-card {
        padding: 22px;
        border-radius: 12px;
    }

    .service-card-icon,
    .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        margin-bottom: 14px;
    }

    .service-card-title,
    .feature-title {
        font-size: 19px;
        margin-bottom: 8px;
    }

    .product-content,
    .case-content,
    .news-content {
        padding: 16px;
    }

    .product-title,
    .case-title,
    .news-title,
    .cleaning-card-title {
        font-size: 17px;
        margin-bottom: 8px;
    }

    .service-card-desc,
    .feature-desc,
    .cleaning-card-desc,
    .case-desc,
    .news-excerpt,
    .product-desc {
        font-size: 13px;
        line-height: 1.6;
    }

    .product-image,
    .case-image,
    .certificate-image,
    .news-image {
        aspect-ratio: 16 / 9;
    }

    .cleaning-card-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .cleaning-cta {
        padding: 22px;
        gap: 14px;
        border-radius: 12px;
    }

    .cleaning-cta-text h3 {
        font-size: 22px;
    }

    .step-number {
        width: 58px;
        height: 58px;
        font-size: 21px;
        margin-bottom: 12px;
    }

    .about-content {
        gap: 28px;
    }

    .footer {
        padding: 46px 0 92px;
    }

    .footer-content,
    .footer-grid {
        gap: 22px;
    }

    .floating-buttons {
        left: 12px;
        right: 12px;
        bottom: 10px;
        gap: 8px;
    }

    .floating-contact {
        height: 48px;
        padding: 6px 14px 6px 8px;
        gap: 9px;
    }

    .floating-contact-icon {
        width: 36px;
        height: 36px;
        font-size: 17px;
    }

    .floating-contact-text strong {
        font-size: 14px;
    }

    .floating-contact-text small {
        font-size: 11px;
    }

    .floating-btn {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .detail-hero {
        padding: 82px 0 30px !important;
    }

    .detail-title {
        font-size: 25px !important;
        line-height: 1.28 !important;
    }

    .detail-content {
        padding: 30px 14px 82px !important;
    }

    .detail-description {
        font-size: 14px !important;
        line-height: 1.7 !important;
        margin-bottom: 28px !important;
    }

    .detail-cta {
        padding: 24px 18px !important;
        margin-top: 28px !important;
    }
}

/* ===== 手机端紧凑优化：降低模块压迫感 ===== */
@media (max-width: 640px) {
    body {
        line-height: 1.55;
    }

    .navbar {
        padding: 8px 0;
    }

    .navbar.scrolled {
        padding: 7px 0;
    }

    .nav-container {
        padding: 0 14px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        font-size: 14px;
    }

    .logo-name {
        font-size: 16px;
    }

    .nav-cta {
        padding: 8px 12px;
        font-size: 12px;
        box-shadow: none;
    }

    .hero {
        padding: 78px 0 38px;
    }

    .hero-content,
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .hero-content {
        gap: 18px;
    }

    .hero-badge {
        padding: 6px 12px;
        font-size: 12px;
        margin-bottom: 14px;
    }

    .hero-title {
        font-size: 28px;
        line-height: 1.22;
        margin-bottom: 14px;
    }

    .hero-desc {
        font-size: 14px;
        line-height: 1.65;
        margin-bottom: 18px;
    }

    .hero-actions {
        gap: 9px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 11px 18px;
        font-size: 14px;
        border-radius: 28px;
    }

    .hero-photo {
        margin-bottom: 12px;
        aspect-ratio: 16 / 9;
        border-radius: 12px;
    }

    .hero-photo span {
        left: 10px;
        bottom: 10px;
        padding: 5px 10px;
        font-size: 12px;
    }

    .hero-card {
        padding: 12px;
        border-radius: 12px;
    }

    .hero-stats {
        gap: 8px;
    }

    .stat-item {
        padding: 11px 6px;
        border-radius: 10px;
    }

    .stat-number {
        font-size: 24px;
        margin-bottom: 4px;
    }

    .stat-label {
        font-size: 12px;
    }

    .services,
    .features,
    .products,
    .process,
    .cleaning,
    .cases,
    .news,
    .about {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 24px;
    }

    .section-tag {
        padding: 5px 12px;
        font-size: 12px;
        margin-bottom: 10px;
    }

    .section-title,
    .about-text h2 {
        font-size: 24px;
        line-height: 1.28;
        margin-bottom: 10px;
    }

    .section-desc,
    .about-text p {
        font-size: 14px;
        line-height: 1.65;
    }

    .services-grid,
    .features-grid,
    .products-grid,
    .cleaning-grid,
    .cases-grid,
    .news-grid,
    .process-timeline,
    .about-features {
        gap: 14px;
    }

    .service-card,
    .feature-card,
    .cleaning-card {
        padding: 22px;
        border-radius: 12px;
    }

    .service-card-icon,
    .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        margin-bottom: 14px;
    }

    .service-card-icon svg,
    .feature-icon svg {
        width: 26px;
        height: 26px;
    }

    .service-card-title,
    .feature-title {
        font-size: 19px;
        margin-bottom: 8px;
    }

    .service-card-desc,
    .feature-desc,
    .cleaning-card-desc,
    .case-desc,
    .news-excerpt,
    .product-desc {
        font-size: 13px;
        line-height: 1.6;
    }

    .product-content,
    .case-content,
    .news-content {
        padding: 16px;
    }

    .product-title,
    .case-title,
    .news-title,
    .cleaning-card-title {
        font-size: 17px;
        margin-bottom: 8px;
    }

    .product-image,
    .case-image,
    .news-image {
        aspect-ratio: 16 / 9;
    }

    .cleaning-card-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .cleaning-cta {
        padding: 22px;
        gap: 14px;
        border-radius: 12px;
    }

    .cleaning-cta-text h3 {
        font-size: 22px;
    }

    .cleaning-cta-text p {
        font-size: 14px;
    }

    .step-number {
        width: 58px;
        height: 58px;
        font-size: 21px;
        margin-bottom: 12px;
    }

    .step-title {
        font-size: 16px;
    }

    .step-desc {
        font-size: 13px;
    }

    .about-content {
        gap: 28px;
    }

    .about-badge {
        padding: 12px 16px;
        border-radius: 12px;
    }

    .about-badge-number {
        font-size: 34px;
    }

    .about-badge-text,
    .about-feature-text {
        font-size: 13px;
    }

    .about-feature {
        gap: 10px;
    }

    .about-feature-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 16px;
    }

    .footer {
        padding: 46px 0 92px;
    }

    .footer-content,
    .footer-grid {
        gap: 22px;
    }

    .footer-title {
        margin-bottom: 12px;
    }

    .footer-links li {
        margin-bottom: 8px;
    }

    .floating-buttons {
        left: 12px;
        right: 12px;
        bottom: 10px;
        gap: 8px;
    }

    .floating-contact {
        height: 48px;
        padding: 6px 14px 6px 8px;
        gap: 9px;
    }

    .floating-contact-icon {
        width: 36px;
        height: 36px;
        font-size: 17px;
    }

    .floating-contact-text strong {
        font-size: 14px;
    }

    .floating-contact-text small {
        font-size: 11px;
    }

    .floating-btn {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .detail-hero {
        padding: 82px 0 30px !important;
    }

    .detail-title {
        font-size: 25px !important;
        line-height: 1.28 !important;
    }

    .detail-content {
        padding: 30px 14px 82px !important;
    }

    .detail-image {
        border-radius: 12px !important;
        margin-bottom: 24px !important;
    }

    .detail-description {
        font-size: 14px !important;
        line-height: 1.7 !important;
        margin-bottom: 28px !important;
    }

    .detail-feature-item {
        padding: 14px !important;
        border-radius: 10px !important;
    }

    .detail-cta {
        padding: 24px 18px !important;
        margin-top: 28px !important;
    }

    .detail-cta h3 {
        font-size: 21px !important;
    }
}

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

html {
    scroll-behavior: smooth;
}

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(26, 93, 76, 0.3);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 1px;
}

.logo-slogan {
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.navbar:not(.scrolled) .nav-link {
    color: white;
}

.nav-link:hover {
    background: rgba(26, 93, 76, 0.1);
    color: var(--primary);
}

.navbar:not(.scrolled) .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

.nav-cta {
    margin-left: 16px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--accent-gold), #D4B872);
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.4);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(201, 169, 98, 0.5);
}

/* ===== Hero区域 ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, transparent 0%, rgba(13, 59, 46, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 13px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge-dot {
    width: 9px;
    height: 9px;
    background: #F2D46F;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(242, 212, 111, 0.18), 0 0 18px rgba(242, 212, 111, 0.72);
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 0 4px rgba(242, 212, 111, 0.18), 0 0 18px rgba(242, 212, 111, 0.72);
    }
    50% {
        opacity: 0.82;
        transform: scale(1.28);
        box-shadow: 0 0 0 7px rgba(242, 212, 111, 0.24), 0 0 28px rgba(242, 212, 111, 0.95);
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--accent-gold);
}

.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent-gold), #D4B872);
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(201, 169, 98, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201, 169, 98, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.hero-visual {
    position: relative;
}

.hero-photo {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-photo img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.hero-photo span {
    position: absolute;
    left: 18px;
    bottom: 18px;
    padding: 7px 14px;
    border-radius: 50px;
    background: rgba(13, 59, 46, 0.84);
    color: white;
    font-size: 13px;
    font-weight: 600;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 32px;
    position: relative;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.hero-float {
    position: absolute;
    background: white;
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 3s ease-in-out infinite;
}

.hero-float-1 {
    top: -10px;
    right: 24px;
}

.hero-float-2 {
    bottom: 40px;
    left: -40px;
    animation-delay: 1.5s;
}

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

.float-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.float-text {
    font-size: 13px;
    color: var(--text-gray);
}

.float-text strong {
    display: block;
    font-size: 15px;
    color: var(--text-dark);
}

/* ===== 通用样式 ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(26, 93, 76, 0.1), rgba(42, 125, 106, 0.1));
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 服务项目总览 ===== */
.services {
    padding: 120px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    display: block;
    background: var(--bg-light);
    border-radius: 24px;
    padding: 40px;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-card-featured {
    background: linear-gradient(135deg, #FFFDF5, #FFF8E7);
    border: 2px solid rgba(201, 169, 98, 0.3);
}

.service-card-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: linear-gradient(135deg, #C9A962, #D4B872);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 40px;
    transform: rotate(45deg);
}

.service-card-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card-icon svg {
    width: 36px;
    height: 36px;
}

.service-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-card-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.service-card-tags span {
    padding: 4px 12px;
    background: rgba(26, 93, 76, 0.08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    border-radius: 50px;
}

.service-card-featured .service-card-tags span {
    background: rgba(201, 169, 98, 0.15);
    color: #9A7B3A;
}

.service-card-arrow {
    font-size: 20px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.service-card:hover .service-card-arrow {
    transform: translateX(8px);
}

/* ===== 保洁服务 ===== */
.cleaning {
    padding: 120px 0;
    background: linear-gradient(180deg, #FFFDF5 0%, var(--bg-light) 100%);
}

.cleaning-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.cleaning-card {
    background: white;
    border-radius: 20px;
    padding: 36px;
    transition: var(--transition);
    border: 1px solid rgba(201, 169, 98, 0.1);
}

.cleaning-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(201, 169, 98, 0.3);
}

.cleaning-card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.cleaning-card-photo {
    display: none;
}

.cleaning-card-symbol {
    display: inline;
}

.cleaning-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.cleaning-card-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.cleaning-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cleaning-feature-tag {
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(201,169,98,0.1), rgba(212,184,114,0.1));
    color: #9A7B3A;
    font-size: 12px;
    font-weight: 500;
    border-radius: 50px;
}

.cleaning-cta {
    margin-top: 64px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 24px;
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cleaning-cta-text h3 {
    font-size: 28px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.cleaning-cta-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== 服务特色 ===== */
.features {
    padding: 120px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    display: block;
    background: white;
    border-radius: 24px;
    padding: 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent-gold));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon svg {
    width: 36px;
    height: 36px;
    fill: white;
}

.feature-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== 产品展示 ===== */
.products {
    padding: 120px 0;
    background: white;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
}

.products-nav {
    display: flex;
    gap: 8px;
}

.products-nav-item {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid #E5E5E5;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.products-nav-item:hover,
.products-nav-item.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card,
.case-card,
.certificate-card,
.news-card,
.cleaning-card {
    display: block;
    background: var(--bg-light);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

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

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    position: relative;
    overflow: hidden;
}

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

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.1));
}

.product-content {
    padding: 24px;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.product-desc {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.product-link:hover {
    gap: 10px;
}

.catalog-more-wrap {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    margin-top: 12px;
}

.catalog-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 12px 26px;
    border: 1px solid rgba(26, 93, 76, 0.18);
    border-radius: 999px;
    background: white;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 28px rgba(13, 59, 46, 0.08);
}

.catalog-more-btn:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 14px 34px rgba(13, 59, 46, 0.14);
}

.cases .catalog-more-btn {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    color: white;
}

.cases .catalog-more-btn:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(201, 169, 98, 0.72);
}

/* ===== 服务流程 ===== */
.process {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, white 100%);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 80px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent-gold));
}

.process-step {
    text-align: center;
    position: relative;
    flex: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: white;
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    position: relative;
    z-index: 10;
    transition: var(--transition);
}

.process-step:hover .step-number {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(26, 93, 76, 0.3);
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-gray);
    max-width: 140px;
    margin: 0 auto;
}

/* ===== 案例展示 ===== */
.cases {
    padding: 120px 0;
    background: var(--primary-dark);
    color: white;
}

.cases .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-gold);
}

.cases .section-title {
    color: white;
}

.cases .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.case-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
}

.case-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
}

.case-image {
    height: auto;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    position: relative;
    overflow: hidden;
}

.case-fallback-icon {
    position: relative;
    z-index: 0;
    font-size: 64px;
    line-height: 1;
    opacity: 0.72;
}

.case-image img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
}

.case-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    padding: 6px 14px;
    background: var(--accent-gold);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.case-content {
    padding: 28px;
}

.case-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-desc {
    font-size: 14px;
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-gold);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.case-link:hover {
    gap: 10px;
}

/* ===== 资质证书 ===== */
.certificates {
    padding: 110px 0;
    background: #F8FAF7;
}

.certificates-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 22px;
    margin-top: 56px;
}

.certificate-card {
    flex: 0 1 240px;
    background: white;
    border: 1px solid rgba(26, 93, 76, 0.1);
    box-shadow: 0 12px 34px rgba(13, 59, 46, 0.08);
}

.certificates-grid .catalog-more-wrap {
    flex: 0 0 100%;
}

.certificate-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(13, 59, 46, 0.13);
}

.certificate-image {
    height: 176px;
    background: linear-gradient(135deg, rgba(26, 93, 76, 0.08), rgba(201, 169, 98, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 46px;
}

.certificate-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.certificate-content {
    padding: 18px;
}

.certificate-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.45;
    margin-bottom: 8px;
}

.certificate-desc {
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 新闻资讯 ===== */
.news {
    padding: 120px 0;
    background: white;
}

.news-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.news-tab {
    padding: 12px 32px;
    background: transparent;
    border: 1px solid #E5E5E5;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.news-tab:hover,
.news-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.news-card {
    background: var(--bg-light);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

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

.news-image {
    height: 180px;
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    overflow: hidden;
}

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

.news-content {
    padding: 24px;
}

.news-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-excerpt {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 关于我们 ===== */
.about {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img-main {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: white;
    border-radius: 20px;
    padding: 24px 32px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-badge-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.about-badge-text {
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 4px;
}

.about-text h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-feature-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.about-feature-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 600;
}

.footer-desc {
    font-size: 14px;
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
    opacity: 0.8;
}

.footer-contact-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--accent-gold);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 8px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    opacity: 0.6;
}

.footer-bottom a {
    color: inherit;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

/* ===== 浮动按钮 ===== */
.floating-buttons {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    border: none;
}

.floating-btn:hover {
    transform: scale(1.1);
}

.floating-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.floating-btn.gold {
    background: linear-gradient(135deg, var(--accent-gold), #D4B872);
    color: white;
    text-decoration: none;
}

.floating-contact {
    min-width: 210px;
    height: 58px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 18px 8px 10px;
    background: linear-gradient(135deg, var(--accent-gold), #D4B872);
    color: white;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.floating-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.floating-contact-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.floating-contact-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.floating-contact-text strong {
    font-size: 16px;
    font-weight: 700;
}

.floating-contact-text small {
    font-size: 12px;
    opacity: 0.86;
    margin-top: 3px;
}

/* Keep the first viewport clean; nav and hero CTAs already cover consultation. */
.floating-contact {
    opacity: 0;
    pointer-events: none;
    transform: translateY(14px);
}

.floating-contact.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.floating-contact.is-visible:hover {
    transform: translateY(-2px);
}

@media (min-width: 981px) {
    .hero-float-1 {
        top: -18px;
        right: 24px;
        padding: 12px 16px;
        gap: 10px;
        border-radius: 14px;
    }

    .hero-card .hero-float-1 .float-icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        font-size: 17px;
    }

    .hero-card .hero-float-1 .float-text {
        font-size: 12px;
        line-height: 1.35;
    }

    .hero-card .hero-float-1 .float-text strong {
        font-size: 14px;
    }

    .hero-float-2 {
        bottom: 28px;
        left: -24px;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-desc {
        margin: 0 auto 40px;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 980px) {
    .navbar {
        padding: 12px 0;
    }

    .navbar.scrolled {
        padding: 10px 0;
    }

    .nav-container {
        padding: 0 20px;
        gap: 12px;
        flex-wrap: wrap;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        font-size: 16px;
    }

    .logo-name {
        font-size: 18px;
    }

    .logo-slogan {
        font-size: 10px;
        letter-spacing: 0;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        gap: 4px;
        justify-content: flex-start;
        scrollbar-width: none;
    }

    .nav-menu::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        flex: 0 0 auto;
        padding: 8px 12px;
        font-size: 13px;
        white-space: nowrap;
    }

    .nav-cta {
        margin-left: auto;
        padding: 10px 18px;
        font-size: 13px;
    }

    .hero {
        height: auto;
        min-height: auto;
        padding: 150px 0 72px;
    }

    .hero-content,
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }

    .hero-content {
        gap: 38px;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: 0;
    }

    .hero-desc {
        font-size: 16px;
    }

    .services,
    .features,
    .products,
    .process,
    .cleaning,
    .cases,
    .news,
    .about {
        padding: 80px 0;
    }

    .services-grid,
    .cleaning-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .process-timeline {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .process-timeline::before {
        display: none;
    }

    .footer-content,
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .nav-container {
        padding: 0 16px;
    }

    .logo-slogan {
        display: none;
    }

    .nav-menu {
        display: none;
    }

    .nav-cta {
        padding: 9px 14px;
        border-radius: 28px;
    }

    .hero {
        padding: 104px 0 56px;
    }

    .hero-content,
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }

    .hero-content {
        text-align: left;
        gap: 28px;
    }

    .hero-title {
        font-size: 34px;
        line-height: 1.18;
    }

    .hero-title br {
        display: none;
    }

    .hero-desc {
        margin: 0 0 28px;
        font-size: 15px;
        line-height: 1.75;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .btn-primary,
    .btn-secondary {
        justify-content: center;
        padding: 14px 22px;
    }

    .hero-photo,
    .hero-card,
    .service-card,
    .feature-card,
    .cleaning-card,
    .case-card,
    .news-card,
    .cleaning-cta,
    .about-img-main,
    .detail-cta {
        border-radius: 14px;
    }

    .hero-card {
        padding: 18px;
    }

    .hero-stats {
        gap: 12px;
    }

    .stat-item {
        padding: 16px 10px;
    }

    .stat-number {
        font-size: 30px;
    }

    .hero-float {
        display: none;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-title,
    .about-text h2 {
        font-size: 30px;
        letter-spacing: 0;
    }

    .section-desc {
        font-size: 15px;
    }

    .services,
    .features,
    .products,
    .process,
    .cleaning,
    .cases,
    .news,
    .about {
        padding: 58px 0;
    }

    .services-grid,
    .features-grid,
    .products-grid,
    .cleaning-grid,
    .cases-grid,
    .news-grid,
    .process-timeline,
    .about-features,
    .footer-content,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .products-nav,
    .news-tabs {
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 4px;
    }

    .products-nav-item,
    .news-tab {
        flex: 0 0 auto;
        padding: 10px 16px;
        white-space: nowrap;
    }

    .product-image,
    .case-image,
    .news-image {
        height: auto;
        aspect-ratio: 16 / 10;
    }

    .cleaning-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 28px;
    }

    .about-img-main {
        height: auto;
        aspect-ratio: 4 / 3;
    }

    .about-badge {
        right: 16px;
        bottom: 16px;
        padding: 16px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .floating-buttons {
        left: 16px;
        right: 16px;
        bottom: 14px;
        flex-direction: row;
        align-items: center;
    }

    .floating-contact {
        min-width: 0;
        flex: 1;
    }

    .floating-btn {
        width: 52px;
        height: 52px;
        flex: 0 0 auto;
    }

    .detail-hero {
        padding: 112px 0 42px !important;
    }

    .detail-title {
        font-size: 30px !important;
    }

    .detail-content {
        padding: 42px 18px !important;
    }

    .detail-container {
        max-width: none !important;
    }
}

/* ===== 手机端最终紧凑覆盖 ===== */
@media (max-width: 640px) {
    body { line-height: 1.55; }
    .navbar { padding: 8px 0; }
    .navbar.scrolled { padding: 7px 0; }
    .nav-container { padding: 0 14px; }
    .logo-icon { width: 36px; height: 36px; border-radius: 8px; font-size: 14px; }
    .logo-name { font-size: 16px; }
    .nav-cta { padding: 8px 12px; font-size: 12px; box-shadow: none; }
    .hero { padding: 78px 0 38px; }
    .hero-content, .container { padding-left: 14px; padding-right: 14px; }
    .hero-content { gap: 18px; }
    .hero-badge { padding: 6px 12px; font-size: 12px; margin-bottom: 14px; }
    .hero-title { font-size: 28px; line-height: 1.22; margin-bottom: 14px; }
    .hero-desc { font-size: 14px; line-height: 1.65; margin-bottom: 18px; }
    .btn-primary, .btn-secondary { padding: 11px 18px; font-size: 14px; border-radius: 28px; }
    .hero-photo { margin-bottom: 12px; aspect-ratio: 16 / 9; border-radius: 12px; }
    .hero-card { padding: 12px; border-radius: 12px; }
    .hero-stats { gap: 8px; }
    .stat-item { padding: 11px 6px; border-radius: 10px; }
    .stat-number { font-size: 24px; margin-bottom: 4px; }
    .stat-label { font-size: 12px; }
    .services, .features, .products, .process, .cleaning, .cases, .certificates, .news, .about { padding: 40px 0; }
    .section-header { margin-bottom: 24px; }
    .section-tag { padding: 5px 12px; font-size: 12px; margin-bottom: 10px; }
    .section-title, .about-text h2 { font-size: 24px; line-height: 1.28; margin-bottom: 10px; }
    .section-desc, .about-text p { font-size: 14px; line-height: 1.65; }
    .services-grid, .features-grid, .products-grid, .cleaning-grid, .cases-grid, .certificates-grid, .news-grid, .process-timeline, .about-features { gap: 14px; }
    .service-card, .feature-card, .cleaning-card { padding: 22px; border-radius: 12px; }
    .service-card-icon, .feature-icon { width: 52px; height: 52px; border-radius: 14px; margin-bottom: 14px; }
    .service-card-title, .feature-title { font-size: 19px; margin-bottom: 8px; }
    .product-content, .case-content, .certificate-content, .news-content { padding: 16px; }
    .product-title, .case-title, .certificate-title, .news-title, .cleaning-card-title { font-size: 17px; margin-bottom: 8px; }
    .service-card-desc, .feature-desc, .cleaning-card-desc, .case-desc, .certificate-desc, .news-excerpt, .product-desc { font-size: 13px; line-height: 1.6; }
    .product-image, .case-image, .certificate-image, .news-image { aspect-ratio: 16 / 9; }
    .cleaning-card-icon { font-size: 36px; margin-bottom: 12px; }
    .cleaning-cta { padding: 22px; gap: 14px; border-radius: 12px; }
    .cleaning-cta-text h3 { font-size: 22px; }
    .step-number { width: 58px; height: 58px; font-size: 21px; margin-bottom: 12px; }
    .about-content { gap: 28px; }
    .footer { padding: 46px 0 92px; }
    .footer-content, .footer-grid { gap: 22px; }
    .floating-buttons { left: 12px; right: 12px; bottom: 10px; gap: 8px; }
    .floating-contact { height: 48px; padding: 6px 14px 6px 8px; gap: 9px; }
    .floating-contact-icon { width: 36px; height: 36px; font-size: 17px; }
    .floating-contact-text strong { font-size: 14px; }
    .floating-contact-text small { font-size: 11px; }
    .floating-btn { width: 48px; height: 48px; font-size: 20px; }
    .detail-hero { padding: 82px 0 30px !important; }
    .detail-title { font-size: 25px !important; line-height: 1.28 !important; }
    .detail-content { padding: 30px 14px 82px !important; }
    .detail-description { font-size: 14px !important; line-height: 1.7 !important; margin-bottom: 28px !important; }
    .detail-cta { padding: 24px 18px !important; margin-top: 28px !important; }
}

/* ===== �ֻ��˱����������Ʊ�ǩ ===== */
@media (max-width: 640px) {
    .hero-visual {
        display: grid;
        gap: 10px;
    }

    .hero-float {
        position: static;
        display: flex;
        width: 100%;
        padding: 10px 12px;
        border-radius: 12px;
        animation: none;
        box-shadow: var(--shadow-sm);
        transform: none;
    }

    .hero-float:hover {
        transform: none;
    }

    .hero-float-1,
    .hero-float-2 {
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
    }

    .float-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 17px;
    }

    .float-text {
        font-size: 12px;
        line-height: 1.35;
    }

    .float-text strong {
        font-size: 14px;
        margin-bottom: 2px;
    }
}

/* ===== ��ҳ��������Ʒ�ƿɶ��� ===== */
.navbar:not(.scrolled) .logo-name,
.navbar:not(.scrolled) .logo-slogan {
    color: white;
}

.navbar.scrolled .logo-name {
    color: var(--primary-dark);
}

.navbar.scrolled .logo-slogan {
    color: var(--text-light);
}

/* ===== ����Ʒ�� Logo ===== */
.logo-brand {
    position: relative;
    width: 252px;
    height: 62px;
    flex-shrink: 0;
}

.logo-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    transition: opacity 0.25s ease;
}

.logo-img-dark {
    opacity: 0;
}

.navbar.scrolled .logo-img-light {
    opacity: 0;
}

.navbar.scrolled .logo-img-dark {
    opacity: 1;
}

.footer-logo-img {
    width: 248px;
    height: auto;
    display: block;
}

@media (max-width: 980px) {
    .logo-brand {
        width: 220px;
        height: 54px;
    }
}

@media (max-width: 640px) {
    .logo-brand {
        width: 156px;
        height: 42px;
    }

    .footer-logo-img {
        width: 210px;
    }
}

/* ===== ���ο�ͼ�Ż���ĺ�� Logo �ߴ� ===== */
.logo-brand {
    width: 284px;
    height: 72px;
}

.footer-logo-img {
    width: 284px;
}

@media (max-width: 980px) {
    .logo-brand {
        width: 236px;
        height: 60px;
    }
}

@media (max-width: 640px) {
    .logo-brand {
        width: 174px;
        height: 46px;
    }

    .footer-logo-img {
        width: 232px;
    }
}

/* ===== ��Ʒ PNG Logo��������������Ŵ��� ===== */
.logo-brand {
    width: 250px;
    height: 86px;
}

.footer-logo-img {
    width: 250px;
}

@media (max-width: 980px) {
    .logo-brand {
        width: 220px;
        height: 75px;
    }
}

@media (max-width: 640px) {
    .logo-brand {
        width: 156px;
        height: 54px;
    }

    .footer-logo-img {
        width: 220px;
    }
}

/* ===== ���ճ�Ʒ PNG Logo ===== */
.logo-brand {
    width: 230px;
    height: 82px;
}

.footer-logo-img {
    width: 230px;
}

@media (max-width: 980px) {
    .logo-brand {
        width: 205px;
        height: 73px;
    }
}

@media (max-width: 640px) {
    .logo-brand {
        width: 148px;
        height: 53px;
    }

    .footer-logo-img {
        width: 208px;
    }
}

/* user reference mark logo */
.logo-simple {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    width: auto;
    height: auto;
    min-width: 0;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark-img {
    width: 54px;
    height: 54px;
    object-fit: contain;
    object-position: center;
    display: block;
    flex-shrink: 0;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.14);
}

.logo-copy {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    line-height: 1.15;
}

.logo-simple .logo-name {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0;
    color: var(--primary-dark);
}

.logo-simple .logo-slogan {
    display: block;
    margin-top: 5px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0;
    color: var(--text-light);
    white-space: nowrap;
}

.navbar:not(.scrolled) .logo-simple .logo-name,
.navbar:not(.scrolled) .logo-simple .logo-slogan {
    color: #fff;
}

.navbar.scrolled .logo-simple .logo-name {
    color: var(--primary-dark);
}

.navbar.scrolled .logo-simple .logo-slogan {
    color: var(--text-light);
}

.footer-logo-simple {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.footer-mark-img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: 8px;
    flex-shrink: 0;
}

.footer-logo-simple .footer-logo-text {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0;
    color: #fff;
}

@media (max-width: 980px) {
    .logo-mark-img {
        width: 48px;
        height: 48px;
    }

    .logo-simple .logo-name {
        font-size: 21px;
    }

    .logo-simple .logo-slogan {
        font-size: 10px;
    }
}

@media (max-width: 640px) {
    .logo-simple {
        gap: 8px;
    }

    .logo-mark-img {
        width: 40px;
        height: 40px;
        border-radius: 6px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    }

    .logo-simple .logo-name {
        font-size: 17px;
        line-height: 1;
    }

    .logo-simple .logo-slogan {
        display: none;
    }

    .footer-mark-img {
        width: 46px;
        height: 46px;
    }
}
/* mobile hero title fit */
@media (max-width: 640px) {
    .hero-title {
        font-size: 31px;
        line-height: 1.24;
        max-width: 100%;
        overflow-wrap: anywhere;
    }

    .hero-title br {
        display: block;
    }
}

@media (max-width: 380px) {
    .hero-title {
        font-size: 28px;
    }
}
/* mobile hero column width fix */
@media (max-width: 640px) {
    .hero-content {
        grid-template-columns: minmax(0, 1fr);
        width: 100%;
        box-sizing: border-box;
    }

    .hero-text,
    .hero-visual {
        min-width: 0;
        width: 100%;
    }

    .hero-desc {
        max-width: 100%;
        overflow-wrap: anywhere;
        word-break: normal;
    }
}
/* mobile viewport text clamp */
@media (max-width: 640px) {
    .hero-text,
    .hero-title,
    .hero-desc,
    .hero-actions {
        width: calc(100vw - 28px);
        max-width: calc(100vw - 28px);
    }
}
/* mobile Chinese copy wrapping */
@media (max-width: 640px) {
    .hero-desc {
        word-break: break-all;
        white-space: normal;
    }
}

/* mobile hero breathing room */
.hero-desc-mobile {
    display: none;
}

@media (max-width: 640px) {
    .hero {
        padding-top: 88px;
    }

    .hero-content {
        gap: 26px;
    }

    .hero-badge {
        margin-bottom: 26px;
    }

    .hero-title {
        font-size: 28px;
        line-height: 1.28;
        margin-bottom: 18px;
        width: 100%;
        max-width: 100%;
        overflow-wrap: normal;
        word-break: keep-all;
    }

    .hero-title span {
        display: block;
        margin-top: 6px;
    }

    .hero-desc {
        width: 100%;
        max-width: 100%;
        margin-bottom: 24px;
        font-size: 14px;
        line-height: 1.9;
        word-break: normal;
        overflow-wrap: break-word;
    }

    .hero-desc-desktop {
        display: none;
    }

    .hero-desc-mobile {
        display: inline;
    }

    .hero-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 10px;
        width: 100%;
        max-width: 100%;
        margin-bottom: 6px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        min-height: 46px;
        padding: 10px 12px;
        border-radius: 24px;
        font-size: 14px;
        white-space: nowrap;
    }

    .hero-photo {
        margin-top: 4px;
    }
}

@media (max-width: 380px) {
    .hero-title {
        font-size: 26px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        font-size: 13px;
        padding-left: 8px;
        padding-right: 8px;
    }
}

/* mobile overall scale polish */
@media (max-width: 640px) {
    body {
        font-size: 14px;
        line-height: 1.52;
    }

    .navbar {
        padding: 7px 0;
    }

    .nav-container,
    .hero-content,
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .logo-simple {
        gap: 7px;
    }

    .logo-mark-img {
        width: 36px;
        height: 36px;
    }

    .logo-simple .logo-name {
        font-size: 16px;
    }

    .nav-cta {
        padding: 8px 12px;
        font-size: 12px;
        min-height: 38px;
    }

    .hero {
        padding: 82px 0 34px;
    }

    .hero-content {
        gap: 20px;
    }

    .hero-badge {
        padding: 5px 11px;
        font-size: 12px;
        margin-bottom: 18px;
    }

    .hero-title {
        font-size: 26px;
        line-height: 1.26;
        margin-bottom: 14px;
    }

    .hero-title span {
        margin-top: 4px;
    }

    .hero-desc {
        font-size: 13px;
        line-height: 1.74;
        margin-bottom: 18px;
    }

    .hero-actions {
        gap: 8px;
        margin-bottom: 2px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        min-height: 42px;
        padding: 9px 10px;
        font-size: 13px;
        border-radius: 22px;
    }

    .hero-card {
        padding: 10px;
        overflow: visible;
    }

    .hero-float {
        min-height: 56px;
        align-items: center;
    }

    .hero-card .hero-float-1 {
        width: calc(100% + 22px);
        margin-left: -11px;
        margin-right: -11px;
    }

    .float-icon {
        flex: 0 0 36px;
    }

    .float-text {
        flex: 1 1 auto;
        min-width: 0;
    }

    .hero-photo {
        margin-top: 0;
        margin-bottom: 9px;
    }

    .hero-stats {
        gap: 7px;
    }

    .stat-item {
        padding: 9px 5px;
    }

    .stat-number {
        font-size: 22px;
    }

    .stat-label {
        font-size: 11px;
    }

    .services,
    .features,
    .products,
    .process,
    .cleaning,
    .cases,
    .certificates,
    .news,
    .about {
        padding: 34px 0;
    }

    .section-header {
        margin-bottom: 20px;
    }

    .section-tag {
        padding: 4px 10px;
        font-size: 11px;
        margin-bottom: 8px;
    }

    .section-title,
    .about-text h2 {
        font-size: 22px;
        line-height: 1.26;
        margin-bottom: 8px;
    }

    .section-desc,
    .about-text p {
        font-size: 13px;
        line-height: 1.62;
    }

    .services-grid,
    .features-grid,
    .products-grid,
    .cleaning-grid,
    .cases-grid,
    .certificates-grid,
    .news-grid,
    .process-timeline,
    .about-features {
        gap: 12px;
    }

    .service-card,
    .feature-card,
    .cleaning-card {
        padding: 18px;
    }

    .service-card-icon,
    .feature-icon {
        width: 46px;
        height: 46px;
        margin-bottom: 12px;
    }

    .service-card-title,
    .feature-title {
        font-size: 17px;
        margin-bottom: 7px;
    }

    .product-content,
    .case-content,
    .certificate-content,
    .news-content {
        padding: 13px;
    }

    .product-title,
    .case-title,
    .certificate-title,
    .news-title,
    .cleaning-card-title {
        font-size: 16px;
        margin-bottom: 7px;
    }

    .service-card-desc,
    .feature-desc,
    .cleaning-card-desc,
    .case-desc,
    .certificate-desc,
    .news-excerpt,
    .product-desc {
        font-size: 12px;
        line-height: 1.55;
    }

    .product-link,
    .case-link,
    .certificate-link,
    .news-link {
        font-size: 13px;
    }

    .cleaning-cta {
        padding: 18px;
        gap: 12px;
    }

    .cleaning-cta-text h3 {
        font-size: 20px;
    }

    .about-content {
        gap: 24px;
    }

    .floating-buttons {
        left: 10px;
        right: 10px;
        bottom: 9px;
        gap: 7px;
    }

    .floating-contact {
        height: 44px;
        padding: 5px 12px 5px 7px;
        gap: 8px;
    }

    .floating-contact-icon {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }

    .floating-contact-text strong {
        font-size: 13px;
    }

    .floating-contact-text small {
        font-size: 10px;
    }

    .floating-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .detail-title {
        font-size: 23px !important;
    }

    .detail-description {
        font-size: 13px !important;
    }
}

@media (max-width: 380px) {
    .hero-title {
        font-size: 24px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        font-size: 12px;
    }
}

/* mobile certificate gallery */
@media (max-width: 640px) {
    .certificates-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .certificate-card {
        border-radius: 12px;
    }

    .certificate-image {
        aspect-ratio: 4 / 3;
        padding: 8px;
    }

    .certificate-content {
        padding: 10px;
    }

    .certificate-title {
        font-size: 13px;
        line-height: 1.35;
        margin-bottom: 7px;
    }

    .certificate-desc {
        display: none;
    }

    .certificate-link {
        font-size: 12px;
    }
}

/* mobile breathing room pass */
@media (max-width: 640px) {
    body {
        line-height: 1.62;
        background: #fbfcfb;
    }

    .nav-container,
    .hero-content,
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }

    .navbar {
        padding: 8px 0;
    }

    .nav-cta {
        min-height: 36px;
        padding: 7px 11px;
    }

    .hero {
        padding: 92px 0 48px;
    }

    .hero-content {
        gap: 28px;
    }

    .hero-badge {
        margin-bottom: 16px;
    }

    .hero-title {
        font-size: 25px;
        line-height: 1.32;
        margin-bottom: 16px;
    }

    .hero-desc {
        font-size: 13px;
        line-height: 1.82;
        margin-bottom: 22px;
    }

    .hero-actions {
        gap: 10px;
        margin-top: 2px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        min-height: 40px;
        padding: 9px 12px;
        font-size: 12.5px;
    }

    .hero-card {
        padding: 12px;
        border-radius: 14px;
        margin: 0 2px;
    }

    .hero-card .hero-float-1 {
        width: auto;
        margin: 12px 0 0;
    }

    .hero-float-2 {
        display: none;
    }

    .hero-photo {
        max-height: 210px;
        margin-bottom: 12px;
        border-radius: 12px;
    }

    .hero-stats {
        gap: 10px;
    }

    .stat-item {
        padding: 10px 5px;
    }

    .services,
    .features,
    .products,
    .process,
    .cleaning,
    .cases,
    .certificates,
    .news,
    .about {
        padding: 52px 0;
    }

    .section-header {
        margin-bottom: 28px;
        padding: 0 2px;
    }

    .section-tag {
        margin-bottom: 12px;
    }

    .section-title,
    .about-text h2 {
        font-size: 23px;
        line-height: 1.35;
        margin-bottom: 12px;
    }

    .section-desc,
    .about-text p {
        line-height: 1.75;
    }

    .services-grid,
    .features-grid,
    .products-grid,
    .cleaning-grid,
    .cases-grid,
    .news-grid,
    .process-timeline,
    .about-features {
        gap: 18px;
    }

    .certificates-grid {
        gap: 12px;
    }

    .service-card,
    .feature-card,
    .product-card,
    .case-card,
    .news-card,
    .cleaning-card,
    .process-step {
        border-radius: 14px;
        margin-left: 2px;
        margin-right: 2px;
    }

    .service-card,
    .feature-card,
    .cleaning-card,
    .process-step {
        padding: 20px;
    }

    .product-image,
    .case-image,
    .news-image {
        aspect-ratio: 1.85 / 1;
    }

    .product-content,
    .case-content,
    .news-content {
        padding: 16px 16px 18px;
    }

    .service-card-desc,
    .feature-desc,
    .cleaning-card-desc,
    .case-desc,
    .news-excerpt,
    .product-desc {
        line-height: 1.7;
    }

    .cleaning-cta {
        padding: 22px 20px;
        margin-top: 22px;
    }

    .about-content {
        gap: 32px;
    }

    .footer {
        padding: 54px 0 94px;
    }

    .floating-buttons {
        left: 14px;
        right: 14px;
        bottom: 12px;
    }

    .detail-hero {
        padding: 94px 0 36px !important;
    }

    .detail-title {
        font-size: 24px !important;
        line-height: 1.34 !important;
    }

    .detail-content {
        padding: 36px 18px 86px !important;
    }

    .detail-image {
        max-height: 245px !important;
        margin-bottom: 28px !important;
        border-radius: 14px !important;
    }

    .detail-gallery-section {
        margin: -8px 0 30px !important;
    }

    .detail-gallery-grid {
        gap: 10px !important;
    }

    .detail-description {
        line-height: 1.82 !important;
        margin-bottom: 32px !important;
    }

    .detail-feature-item {
        padding: 16px !important;
    }

    .detail-cta {
        padding: 24px 20px !important;
        border-radius: 14px !important;
    }
}

@media (max-width: 380px) {
    .nav-container,
    .hero-content,
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .hero-title {
        font-size: 24px;
    }
}

/* mobile certificate fit and fold polish */
@media (max-width: 640px) {
    .certificates-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-top: 28px;
    }

    .certificate-card {
        border-radius: 12px;
        overflow: hidden;
    }

    .certificate-image {
        height: 122px;
        aspect-ratio: auto;
        padding: 12px;
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.06), rgba(201, 169, 98, 0.1));
    }

    .certificate-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        padding: 0;
        display: block;
    }

    .certificate-content {
        padding: 11px 12px 12px;
    }

    .certificate-title {
        font-size: 13px;
        line-height: 1.35;
        margin-bottom: 0;
    }

    .certificate-desc {
        display: none;
    }
}

@media (max-width: 380px) {
    .certificate-image {
        height: 112px;
        padding: 10px;
    }
}

/* mobile case gallery like certificates */
@media (max-width: 640px) {
    .cases {
        background: #F8FAF7;
        color: var(--text-dark);
    }

    .cases .section-tag {
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.1), rgba(42, 125, 106, 0.1));
        color: var(--primary);
    }

    .cases .section-title {
        color: var(--text-dark);
    }

    .cases .section-desc {
        color: var(--text-gray);
    }

    .cases-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-top: 28px;
    }

    .case-card {
        background: white;
        border: 1px solid rgba(26, 93, 76, 0.1);
        border-radius: 12px;
        box-shadow: 0 12px 34px rgba(13, 59, 46, 0.08);
        overflow: hidden;
    }

    .case-image {
        height: 122px;
        aspect-ratio: auto;
        padding: 10px;
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.06), rgba(201, 169, 98, 0.1));
        font-size: 34px;
    }

    .case-fallback-icon {
        position: absolute;
        inset: 0;
        z-index: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 34px;
        opacity: 0.18;
    }

    .case-image img {
        position: absolute;
        inset: 10px;
        z-index: 1;
        width: calc(100% - 20px);
        height: calc(100% - 20px);
        object-fit: cover;
        border-radius: 4px;
    }

    .case-badge {
        top: 8px;
        left: 8px;
        padding: 4px 8px;
        font-size: 10px;
        background: rgba(201, 169, 98, 0.94);
    }

    .case-content {
        padding: 11px 12px 12px;
    }

    .case-title {
        color: var(--primary);
        font-size: 13px;
        line-height: 1.35;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .case-desc,
    .case-link {
        display: none;
    }

    .cases .catalog-more-btn {
        background: white;
        border-color: rgba(26, 93, 76, 0.18);
        color: var(--primary);
        box-shadow: 0 10px 28px rgba(13, 59, 46, 0.08);
    }

    .cases .catalog-more-btn:hover {
        background: white;
        border-color: var(--primary);
    }
}

@media (max-width: 380px) {
    .case-image {
        height: 112px;
        padding: 9px;
    }

    .case-image img {
        inset: 9px;
        width: calc(100% - 18px);
        height: calc(100% - 18px);
    }
}

/* mobile product gallery like certificates */
@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-top: 0;
    }

    .product-card {
        background: white;
        border: 1px solid rgba(26, 93, 76, 0.1);
        border-radius: 12px;
        box-shadow: 0 12px 34px rgba(13, 59, 46, 0.08);
        overflow: hidden;
    }

    .product-image {
        height: 122px;
        aspect-ratio: auto;
        padding: 10px;
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.06), rgba(201, 169, 98, 0.1));
        font-size: 34px;
    }

    .product-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 4px;
        display: block;
    }

    .product-image::after {
        display: none;
    }

    .product-content {
        padding: 11px 12px 12px;
    }

    .product-title {
        color: var(--primary);
        font-size: 13px;
        line-height: 1.35;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .product-desc,
    .product-link {
        display: none;
    }
}

@media (max-width: 380px) {
    .product-image {
        height: 112px;
        padding: 9px;
    }
}

/* mobile feature gallery like certificates */
@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .feature-card {
        background: white;
        border: 1px solid rgba(26, 93, 76, 0.1);
        border-radius: 12px;
        box-shadow: 0 12px 34px rgba(13, 59, 46, 0.08);
        padding: 0;
        overflow: hidden;
    }

    .feature-card::before {
        display: none;
    }

    .feature-icon {
        width: 100%;
        height: 122px;
        margin: 0;
        border-radius: 0;
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.08), rgba(201, 169, 98, 0.14));
    }

    .feature-icon svg {
        width: 42px;
        height: 42px;
        fill: var(--primary);
    }

    .feature-card .feature-icon {
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .feature-card .feature-icon svg {
        display: none;
    }

    .feature-card:nth-child(1) .feature-icon {
        background-image: url("../images/source-catalog/products/nursery/068-dd8d-7077da748d40ecb34db8133c410df9fd.jpg-5fbbb7cb.jpg");
    }

    .feature-card:nth-child(2) .feature-icon {
        background-image: url("../images/cases/20260612-projects/zunyi-blood-station/01.jpg");
    }

    .feature-card:nth-child(3) .feature-icon {
        background-image: url("../images/cases/20260612-projects/suiyang-yaquan-shuian/03.jpg");
    }

    .feature-card:nth-child(4) .feature-icon {
        background-color: #F8FAF7;
        background-image: url("../images/source-catalog/certificates/096-1.jpg-98badf36.jpg");
        background-size: contain;
    }

    .feature-card:hover .feature-icon {
        transform: none;
    }

    .feature-title {
        color: var(--primary);
        font-size: 13px;
        line-height: 1.35;
        margin: 0;
        padding: 11px 12px 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .feature-desc {
        display: none;
    }
}

@media (max-width: 380px) {
    .feature-icon {
        height: 112px;
    }
}

/* mobile news gallery like certificates */
@media (max-width: 640px) {
    .news-tabs {
        gap: 8px;
        margin-bottom: 24px;
    }

    .news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .news-card {
        background: white;
        border: 1px solid rgba(26, 93, 76, 0.1);
        border-radius: 12px;
        box-shadow: 0 12px 34px rgba(13, 59, 46, 0.08);
        overflow: hidden;
    }

    .news-image {
        height: 122px;
        aspect-ratio: auto;
        padding: 10px;
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.06), rgba(201, 169, 98, 0.1));
        font-size: 34px;
    }

    .news-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 4px;
        display: block;
    }

    .news-content {
        padding: 11px 12px 12px;
    }

    .news-title {
        color: var(--primary);
        font-size: 13px;
        line-height: 1.35;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-date,
    .news-excerpt {
        display: none;
    }
}

@media (max-width: 380px) {
    .news-image {
        height: 112px;
        padding: 9px;
    }
}

/* mobile cleaning gallery like cases */
@media (max-width: 640px) {
    .cleaning-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .cleaning-card {
        background: white;
        border: 1px solid rgba(201, 169, 98, 0.16);
        border-radius: 12px;
        box-shadow: 0 12px 34px rgba(120, 91, 31, 0.08);
        padding: 0;
        overflow: hidden;
    }

    .cleaning-card-icon {
        width: 100%;
        height: 122px;
        margin: 0;
        padding: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, rgba(201, 169, 98, 0.12), rgba(26, 93, 76, 0.06));
        font-size: 38px;
    }

    .cleaning-card-photo {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 4px;
    }

    .cleaning-card-symbol {
        display: none;
    }

    .cleaning-card-title {
        color: #8A6A1D;
        font-size: 13px;
        line-height: 1.35;
        margin: 0;
        padding: 11px 12px 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .cleaning-card-desc,
    .cleaning-card-features {
        display: none;
    }
}

@media (max-width: 380px) {
    .cleaning-card-icon {
        height: 112px;
        padding: 9px;
    }
}

/* mobile process compact row */
@media (max-width: 640px) {
    .process-timeline {
        display: grid;
        grid-template-columns: repeat(6, minmax(0, 1fr));
        gap: 4px;
        margin-top: 24px;
        align-items: start;
    }

    .process-timeline::before {
        display: block;
        top: 15px;
        left: 28px;
        right: 28px;
        height: 1px;
        opacity: 0.45;
    }

    .process-step {
        padding: 0 !important;
        margin: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        min-width: 0;
    }

    .step-number {
        width: 30px;
        height: 30px;
        border-width: 2px;
        margin: 0 auto 7px;
        font-size: 11px;
        line-height: 1;
    }

    .step-title {
        color: var(--primary);
        font-size: 10px;
        line-height: 1.25;
        margin: 0;
        white-space: nowrap;
    }

    .step-desc {
        display: none;
    }
}

@media (max-width: 380px) {
    .process-timeline {
        gap: 2px;
    }

    .process-timeline::before {
        left: 24px;
        right: 24px;
    }

    .step-number {
        width: 28px;
        height: 28px;
        font-size: 10px;
        margin-bottom: 6px;
    }

    .step-title {
        font-size: 9px;
    }
}

/* mobile footer columns */
@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 22px 10px;
        margin-bottom: 26px;
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: none;
    }

    .footer-col {
        min-width: 0;
    }

    .footer-title {
        color: var(--accent-gold);
        font-size: 13px;
        line-height: 1.25;
        margin-bottom: 10px;
        white-space: nowrap;
    }

    .footer-links li {
        margin-bottom: 7px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.78);
        font-size: 11px;
        line-height: 1.35;
        word-break: keep-all;
    }

    .footer-links a:hover {
        padding-left: 0;
    }
}

@media (max-width: 380px) {
    .footer-content {
        gap: 20px 8px;
    }

    .footer-title {
        font-size: 12px;
    }

    .footer-links a {
        font-size: 10px;
    }
}

/* mobile service gallery with highlighted cleaning */
@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .service-card {
        background: white;
        border: 1px solid rgba(26, 93, 76, 0.1);
        border-radius: 12px;
        box-shadow: 0 12px 34px rgba(13, 59, 46, 0.08);
        padding: 0;
        overflow: hidden;
    }

    .service-card:nth-child(1) {
        order: 1;
    }

    .service-card:nth-child(3) {
        order: 2;
    }

    .service-card-featured {
        order: 3;
        grid-column: 1 / -1;
        min-height: 132px;
        display: grid;
        grid-template-columns: 88px minmax(0, 1fr);
        grid-template-rows: repeat(3, min-content);
        align-content: center;
        align-items: stretch;
        background: linear-gradient(135deg, #FFFDF5, #FFF8E7);
        border-color: rgba(201, 169, 98, 0.32);
    }

    .service-card:not(.service-card-featured) .service-card-icon {
        width: 100%;
        height: 122px;
        margin: 0;
        border-radius: 0;
        background: linear-gradient(135deg, rgba(26, 93, 76, 0.08), rgba(201, 169, 98, 0.14)) !important;
        background-size: cover !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
    }

    .service-card:not(.service-card-featured) .service-card-icon svg {
        width: 42px;
        height: 42px;
        stroke: var(--primary);
        display: none;
    }

    .services-grid .service-card:nth-child(1) .service-card-icon {
        background-image: url("../images/cases/20260612-projects/zunyi-jiuzhangfu/01.jpg") !important;
    }

    .services-grid .service-card:nth-child(3) .service-card-icon {
        background-image: url("../images/cases/20260612-projects/liupanshui-wanda/01.jpg") !important;
    }

    .service-card:hover .service-card-icon {
        transform: none;
    }

    .service-card:not(.service-card-featured) .service-card-title {
        color: var(--primary);
        font-size: 13px;
        line-height: 1.35;
        margin: 0;
        padding: 11px 12px 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .service-card:not(.service-card-featured) .service-card-desc,
    .service-card:not(.service-card-featured) .service-card-tags,
    .service-card:not(.service-card-featured) .service-card-arrow {
        display: none;
    }

    .service-card-featured .service-card-badge {
        top: 10px;
        right: -42px;
        padding: 5px 48px;
        font-size: 12px;
        font-weight: 700;
        z-index: 3;
    }

    .service-card-featured .service-card-icon {
        grid-row: 1 / 4;
        width: 100%;
        height: 100%;
        min-height: 132px;
        margin: 0;
        border-radius: 0;
    }

    .service-card-featured .service-card-icon svg {
        width: 42px;
        height: 42px;
    }

    .service-card-featured .service-card-title,
    .service-card-featured .service-card-desc,
    .service-card-featured .service-card-tags,
    .service-card-featured .service-card-arrow {
        grid-column: 2;
        margin-left: 14px;
        margin-right: 14px;
    }

    .service-card-featured .service-card-title {
        grid-column: 2;
        align-self: start;
        color: #8A6A1D;
        font-size: 17px;
        line-height: 1.25;
        text-align: center;
        margin-top: 8px;
        margin-bottom: 6px;
    }

    .service-card-featured .service-card-desc {
        color: #6D6041;
        font-size: 12px;
        line-height: 1.45;
        margin-bottom: 9px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .service-card-featured .service-card-tags {
        gap: 6px;
        margin-bottom: 0;
        justify-content: center;
    }

    .service-card-featured .service-card-tags span {
        min-width: 58px;
        height: 24px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0 9px;
        font-size: 10px;
        line-height: 1;
        text-align: center;
    }

    .service-card-featured .service-card-arrow {
        display: none;
    }
}

@media (max-width: 380px) {
    .service-card:not(.service-card-featured) .service-card-icon {
        height: 112px;
    }

    .service-card-featured {
        grid-template-columns: 78px minmax(0, 1fr);
        min-height: 124px;
    }

    .service-card-featured .service-card-icon {
        min-height: 124px;
    }
}