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

body {
    font-family: 'Poppins', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #ffffff;
    color: #1e2a3e;
    line-height: 1.5;
    scroll-behavior: smooth;
}

/* 整体容器 */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 头部导航 */
.header {
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02), 0 1px 2px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(0px);
    border-bottom: 1px solid #f0f0f0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 18px 0;
}

.logo-area {
    margin: 0 auto;
}

.logo-area h1 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #1f3b4c 0%, #2b5e6b 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.logo-area span {
    font-weight: 500;
    font-size: 1rem;
    color: #4a6a7c;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: #2c3e44;
    transition: color 0.2s ease;
    font-size: 1rem;
}

.nav-links a:hover {
    color: #c17b4c;
}

.phone-nav {
    background: #c17b4c;
    color: white !important;
    padding: 8px 16px;
    border-radius: 40px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.phone-nav:hover {
    background: #a55e33;
    color: white;
}

/* 移动端菜单适配 */
.mobile-menu-icon {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: #2c3e44;
}

/* Banner 文字动效区域 */
.hero {
    background: linear-gradient(125deg, #f9fafb 0%, #eef2f0 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-badge {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #c17b4c;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(145deg, #1f3b4c, #2b6b5e);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: fadeUp 0.8s ease-out;
}

.hero-desc {
    font-size: 1.2rem;
    color: #3a5a6a;
    margin-bottom: 32px;
    animation: fadeUp 0.8s ease-out 0.1s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 32px;
    animation: fadeUp 0.8s ease-out 0.2s backwards;
}

.stat-item {
    background: rgba(255,255,240,0.6);
    backdrop-filter: blur(2px);
    padding: 12px 24px;
    border-radius: 60px;
    font-weight: 600;
    color: #1f3b4c;
}

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

/* 通用章节 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
    color: #1e2e3a;
}

.section-sub {
    text-align: center;
    color: #5e7b8c;
    max-width: 700px;
    margin: 0 auto 48px auto;
    font-size: 1.1rem;
}

/* 公司介绍 + 右侧图片布局 */
.about-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
    justify-content: space-between;
}

.about-text {
    flex: 1.2;
    min-width: 260px;
}

.about-text p {
    margin-bottom: 18px;
    line-height: 1.85;
    color: #2c4b5c;
}

.about-highlight {
    font-weight: 600;
    background: #fef7e6;
    padding: 12px 18px;
    border-left: 5px solid #c17b4c;
    margin: 20px 0;
}

.about-image {
    flex: 0.8;
    min-width: 280px;
    text-align: center;
}

.about-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 28px;
    box-shadow: 0 20px 35px -10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.about-image img:hover {
    transform: scale(1.02);
}

.contact-inline {
    background: #eef4f0;
    padding: 14px 20px;
    border-radius: 40px;
    display: inline-block;
    font-weight: 600;
    color: #c17b4c;
    margin-top: 6px;
}

/* 产品系列标题样式 */
.product-category {
    margin-top: 60px;
}

.product-category:first-of-type {
    margin-top: 0;
}

.category-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 32px;
    padding-left: 10px;
    border-left: 6px solid #c17b4c;
    color: #1f3b4c;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 32px;
}

.product-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    box-shadow: 0 8px 20px rgba(0,0,0,0.02), 0 2px 4px rgba(0,0,0,0.02);
    border: 1px solid #f0ede8;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 35px -12px rgba(0,0,0,0.15);
    border-color: #e2d9cf;
}

.product-img {
    aspect-ratio: 1 / 1;
    width: 100%;
    object-fit: cover;
    background: #faf6f0;
    display: block;
}

.product-info {
    padding: 18px 14px 20px;
    text-align: center;
}

.product-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c4b3e;
}

/* 优势核心 */
.advantages {
    background: #fefaf5;
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    margin-top: 40px;
}
.adv-card {
    background: white;
    padding: 28px 22px;
    border-radius: 32px;
    text-align: center;
    box-shadow: 0 5px 12px rgba(0,0,0,0.02);
    transition: all 0.25s;
    border: 1px solid #efebe5;
}
.adv-card:hover { border-color: #c17b4c40; transform: scale(1.02);}
.adv-icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
}
.adv-card h3 {
    margin-bottom: 10px;
    font-size: 1.35rem;
}

.data-empty{
    padding:42px;
    border:1px dashed #d5e1ee;
    border-radius:14px;
    text-align:center;
    color:var(--geo-muted);
    background:#fff
}

/* 底部 */
.footer {
    background: #11181c;
    color: #cddfe6;
    padding: 48px 0 32px;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-col p {
    margin: 8px 0;
}
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
    justify-content: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #2c404a;
    text-align: center;
}
.friend-links a {
    color: #b9cfda;
    text-decoration: none;
    margin: 0 10px;
    font-size: 0.85rem;
    transition: color 0.2s;
}
.friend-links a:hover {
    color: #c17b4c;
}
.copyright {
    text-align: center;
    margin-top: 30px;
    font-size: 0.8rem;
    color: #8ba5b2;
}

/* 移动端一键拨号 */
.call-button-mob {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #c17b4c;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    z-index: 99;
    transition: 0.2s;
    cursor: pointer;
    display: none;
}
.call-button-mob a {
    color: white;
    font-size: 28px;
    text-decoration: none;
}
.call-button-mob:hover {
    background: #a55e33;
    transform: scale(1.05);
}

/* 响应式 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        background: white;
        padding: 24px 0;
        gap: 20px;
    }
    .nav-links.show {
        display: flex;
    }
    .mobile-menu-icon {
        display: block;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-stats {
        gap: 20px;
    }
    .section {
        padding: 50px 0;
    }
    .about-grid {
        flex-direction: column;
    }
    .call-button-mob {
        display: flex;
    }
    .product-grid {
        gap: 20px;
    }
}

@media (min-width: 769px) {
    .nav-links {
        display: flex !important;
    }
}
.btn-outline {
    border: 1px solid #c17b4c;
    border-radius: 40px;
    padding: 8px 18px;
    font-weight: 500;
    transition: 0.2s;
}