@charset "utf-8";
@import "/css/public/swiper-bundle.min.css";
:root {
    --primary-blue: #0056b3;
    --hover-blue: #004494;
    --accent-blue: #004687;
    --dark-blue: #002b5c;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --bg-light: #ffffff;
    --bg-faint: #fcfcfc;
    --border-color: #f0f0f0;
    --border-light: #eee;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --card-hover-shadow: 0 20px 40px rgba(0, 86, 179, 0.12);
    --transition-base: all 0.3s ease;
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-faint);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.5;
}

.container,
.container-1480,
.news-container {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* ----- 通用标题区块样式 ----- */
.hero-banner,
.section-header,
.news-section-header,
.prm-section-header {
    padding: 70px 0 40px;
    text-align: center;
}

.hero-banner h1,
.section-header h2,
.news-section-header h2,
.prm-section-header h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
    color: var(--text-dark);
}

.hero-banner p,
.section-header p,
.news-section-header p,
.prm-section-header p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.prm-blue-line,
.blue-line {
    width: 40px;
    height: 3px;
    background: var(--accent-blue);
    display: block;
}

/* ----- 产品网格 (4列桌面) ----- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    box-shadow: var(--card-hover-shadow);
    transform: translateY(-8px);
    border-color: var(--primary-blue);
}

.product-card .img-box {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-card .img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.product-card:hover .img-box img {
    transform: scale(1.05);
}

.product-card .info-box {
    padding: 25px 20px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-card .p-name {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 20px 0;
    min-height: 2.8em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .p-name a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s;
}

.product-card:hover .p-name a {
    color: var(--primary-blue);
}

.view-more-btn {
    display: inline-block;
    margin-top: auto;
    padding: 10px 24px;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-base);
    align-self: center;
}

.view-more-btn:hover {
    background: var(--primary-blue);
    color: #fff;
}

/* ----- About Us 区域 ----- */
.about-us-wrapper {
    position: relative;
    background: #ffffff;
    padding: 60px 80px;
    border: 1px solid #eef2f6;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03), 0 20px 60px rgba(0,86,179,0.05);
    transition: var(--transition-base);
    overflow: hidden;
    margin-bottom: 50px;
}

.about-us-wrapper::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 6px;
    height: 100%;
    background: var(--primary-blue);
}

.about-us-wrapper::after {
    content: "ABOUT";
    position: absolute;
    right: -20px;
    top: -10px;
    font-size: 120px;
    font-weight: 900;
    color: rgba(0,86,179,0.03);
    pointer-events: none;
    z-index: 0;
}

.about-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 2px;
    margin-bottom: 25px;
    position: relative;
    padding-left: 40px;
}

.about-tag::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--primary-blue);
}

.about-content-body {
    position: relative;
    z-index: 1;
    line-height: 1.8;
    color: var(--text-gray);
    font-size: 16px;
}

.about-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 20px 0;
}

.about-us-wrapper:hover {
    box-shadow: 0 30px 70px rgba(0,86,179,0.1);
    transform: translateY(-2px);
    border-color: rgba(0,86,179,0.2);
}

/* ----- Why Choose Us ----- */
.prm-why-choose-us {
    position: relative;
    padding: 100px 0;
    background: #002855 url('your-image-path.jpg') center/cover no-repeat fixed;
    color: #fff;
    overflow: hidden;
}

.prm-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,40,85,0.9) 0%, rgba(0,70,150,0.8) 100%);
    z-index: 1;
}

.prm-why-choose-us .container {
    position: relative;
    z-index: 2;
}

.prm-sub-title {
    display: block;
    font-size: 13px;
    letter-spacing: 5px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 15px;
}

.prm-header-line {
    width: 50px;
    height: 3px;
    background: var(--primary-blue);
    margin: 20px auto;
}

.prm-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.prm-glass-card {
    position: relative;
    padding: 50px 30px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.prm-glass-card *,
.prm-glass-card *::before,
.prm-glass-card *::after {
    background-image: none !important;
}

.prm-card-number {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 40px;
    font-weight: 900;
    color: rgba(255,255,255,0.03);
    user-select: none;
}

.prm-card-icon {
    width: 50px;
    height: 50px;
    color: #fff;
    margin-bottom: 25px;
}

.prm-glass-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
}

.prm-glass-card p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
    margin-bottom: 25px;
    flex-grow: 1;
}

.prm-explore-link {
    font-size: 12px;
    font-weight: 700;
    color: #fff !important;
    text-decoration: none !important;
    letter-spacing: 2px;
    display: inline-block;
    padding: 0 !important;
}

.prm-glass-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-10px);
}

/* ===== 合作伙伴 Logo 墙（优化后） ===== */
.partnership-premium {
    padding: 35px 0;
    background-color: #fff;
    overflow: hidden;
}

.partnership-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.partnership-left {
    flex: 0 0 60%;
    z-index: 2;
}

.prm-title {
    font-size: 44px;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0 0 45px 0;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.prm-meta-row {
    display: flex;
    align-items: flex-start;
    gap: 50px;
    margin-bottom: 55px;
}

.prm-stats {
    flex: 0 0 140px;
}

.prm-num {
    display: block;
    font-size: 52px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.prm-num sup {
    font-size: 24px;
    top: -0.5em;
    margin-left: 2px;
}

.prm-label {
    font-size: 13px;
    color: #888;
    margin-top: 12px;
    display: block;
    font-weight: 600;
}

.prm-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-gray);
    max-width: 550px;
}

.prm-logo-matrix {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

/* 优化：图片填满容器，无内边距，可能裁剪但不变形 */
.prm-logo-item {
    height: 85px;
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;                     /* 移除内边距，让图片完全填充 */
    background: #fff;
    transition: all 0.3s ease;
    overflow: hidden;               /* 隐藏超出的部分 */
}

.prm-logo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease; 
}
.prm-logo-item:hover {
    border-color: #eee; 
    box-shadow: 0 8px 20px rgba(0,86,179,0.08);
    transform: translateY(-2px);
}

.prm-logo-item:hover img {
    transform: scale(1.05); 
}

.partnership-right {
    flex: 0 0 35%;
    display: flex;
    justify-content: center;
    position: relative;
}

.earth-container {
    position: relative;
    width: 100%;
    max-width: 580px;
}

.spinning-earth {
    width: 120%;
    height: auto;
    display: block;
    mix-blend-mode: multiply;
    filter: contrast(1.05) brightness(1.02);
    clip-path: circle(49% at 50% 50%);
}

.earth-container::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(0,86,179,0.1) 0%, rgba(255,255,255,0) 70%);
    transform: translate(-50%, -50%);
    z-index: -1;
    border-radius: 50%;
}

/* ----- Solutions 网格 ----- */
.solutions-wrapper {
    max-width: 1480px;
    margin: 80px auto;
    padding: 0 20px;
}

.header-group {
    text-align: left;
    margin-bottom: 50px;
    border-left: 5px solid #00469b;
    padding-left: 20px;
}

.header-group h2 {
    font-size: 38px;
    color: var(--dark-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header-group p {
    font-size: 16px;
    color: var(--text-gray);
    margin-top: 10px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 320px 320px;
    gap: 20px;
}

.solution-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    background: #eee;
}

.card-large {
    grid-row: span 2;
}

.solution-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.solution-card:hover img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,43,92,0.8) 0%, rgba(0,0,0,0) 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    color: #fff;
    transition: background 0.4s ease;
}

.solution-card:hover .card-overlay {
    background: linear-gradient(to top, rgba(0,43,92,0.95) 0%, rgba(0,64,155,0.3) 100%);
}

.card-num {
    font-size: 14px;
    font-weight: bold;
    color: #00a0e9;
    margin-bottom: 10px;
    display: block;
}

.card-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card-large .card-title {
    font-size: 32px;
}

.card-desc {
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s ease;
}

.solution-card:hover .card-desc {
    max-height: 100px;
    opacity: 1;
    margin-bottom: 20px;
}

/* 卡片链接基础样式 */
.card-link {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    opacity: 0.7;

    /* 确保链接颜色与普通文字一致，无下划线 */
    color: inherit;
    text-decoration: none;
}

/* 覆盖所有伪类状态，保证在任何情况下都不变色、无下划线 */
.card-link:visited,
.card-link:hover,
.card-link:active {
    color: inherit;
    text-decoration: none;
}

/* 箭头伪元素 */
.card-link::after {
    content: "→";
    margin-left: 10px;
    transition: margin 0.3s;
}

/* 悬停时箭头右移 */
.solution-card:hover .card-link::after {
    margin-left: 18px;
}

/* ----- 新版Banner (Swiper) 无分页器 ----- */
.banner-swiper {
    width: 100%;
    height: 750px; /* 电脑端高度750px */
    position: relative;
    overflow: hidden;
}

.banner-swiper .swiper-slide {
    position: relative;
    background-size: cover; /* 强制铺满，可能裁切 */
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-swiper .slide-content {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 20px;
    color: #fff;
    text-align: left;
    width: 100%;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 15px rgba(0,0,0,0.3);
}

.banner-swiper .slide-content h2 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
    max-width: 800px;
}

.banner-swiper .slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 600px;
    opacity: 0.9;
}

.banner-swiper .btn-inquiry {
    display: inline-block;
    padding: 16px 40px;
    background: var(--primary-blue);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    border: none;
    transition: var(--transition-base);
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0,86,179,0.3);
}

.banner-swiper .btn-inquiry:hover {
    background: var(--hover-blue);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,86,179,0.4);
}

.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
    color: #fff;
    background: rgba(0,0,0,0.2);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    transition: var(--transition-base);
    backdrop-filter: blur(4px);
}

.banner-swiper .swiper-button-prev:hover,
.banner-swiper .swiper-button-next:hover {
    background: var(--primary-blue);
}

.banner-swiper .swiper-button-prev:after,
.banner-swiper .swiper-button-next:after {
    font-size: 20px;
    font-weight: bold;
}

/* ----- 新闻列表 (16:9比例，图片cover，宽度减小以优化留白) ----- */
.news-full-wrapper {
    background-color: #fff;
    padding: 80px 0;
}

.news-integrated-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.main-title {
    font-size: 42px;
    color: var(--text-dark);
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1;
}

.sub-title-box {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sub-title-box p {
    font-size: 16px;
    color: var(--text-gray);
    margin: 0;
}

.total-count {
    color: #ccc;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 14px;
}

.news-list-flex {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.news-item-row {
    display: flex;
    align-items: stretch;
    gap: 40px;
    background: #fff;
    border-radius: 4px;
    transition: var(--transition-base);
}

.news-item-row:hover {
    box-shadow: var(--card-hover-shadow);
}

/* 图片容器宽度从35%减小至28%，让右侧文字更宽松，减少留白 */
.news-item-thumb {
    flex: 0 0 28%;
    max-width: 400px; /* 相应减小最大宽度 */
}

.img-aspect-box {
    display: block;
    width: 100%;
    aspect-ratio: 16/9; /* 保持16:9比例 */
    overflow: hidden;
    background: #f8f8f8;
    border-radius: 2px;
}

.img-aspect-box img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 强制铺满，可能裁切 */
    transition: transform 0.8s ease;
}

.news-item-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px 0;
}

.news-date {
    font-size: 14px;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 12px;
    display: block;
}

.news-item-title {
    font-size: 24px;
    line-height: 1.3;
    margin: 0 0 12px 0;
    transition: var(--transition-base);
}

.news-item-title a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 700;
}

.news-item-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 15px;
}

.news-item-row:hover .img-aspect-box img {
    transform: scale(1.05);
}

.news-item-row:hover .news-item-title a {
    color: var(--accent-blue);
}

.news-btn-more {
    font-size: 14px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    border-bottom: 2px solid var(--accent-blue);
    padding-bottom: 4px;
    transition: var(--transition-base);
}

.news-btn-more:hover {
    color: var(--accent-blue);
    padding-right: 10px;
}

/* ----- 通栏CTA样式 ----- */
.cta-section {
    background-size: cover;
    background-position: center;
    position: relative;
    padding: 120px 0;
    color: #fff;
    text-align: center;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,40,85,0.75);
    z-index: 1;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 35px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-inquiry {
    display: inline-block;
    padding: 16px 50px;
    background: var(--primary-blue);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    border: none;
    transition: var(--transition-base);
    border-radius: 4px;
    cursor: pointer;
}

.cta-section .btn-inquiry:hover {
    background: var(--hover-blue);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,86,179,0.3);
}

/* ----- 动态内容区块间距 ----- */
.dynamic-content-section {
    padding: 50px 0;
    background-color: #fff;
}

/* ----- 证书区域（保持原样） ----- */
.certification-container {
    max-width: 1480px;
    margin: 60px auto;
    padding: 0 20px;
    font-family: Arial, sans-serif;
    text-align: center;
}

.cert-title {
    color: #0096dc;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 40px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.cert-item {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    cursor: pointer;
}

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

.cert-item:hover {
    transform: scale(1.06);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: #0096dc;
}

/* ----- 响应式设计 ----- */
@media (max-width: 1200px) {
    .partnership-wrapper {
        flex-direction: column;
        text-align: left;
    }
    .partnership-left { flex: 0 0 100%; }
    .partnership-right {
        flex: 0 0 100%;
        margin-top: 40px;
        order: -1;
    }
    .prm-logo-matrix { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .prm-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .solutions-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }
    .card-large { grid-row: span 1; grid-column: span 2; height: 400px; }
}

@media (max-width: 991px) {
    .news-integrated-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .main-title { font-size: 32px; }
    .news-item-row { flex-direction: column; gap: 20px; }
    .news-item-thumb {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .news-item-title { font-size: 22px; }
}

@media (max-width: 768px) {
    .container, .container-1480, .news-container { padding: 0 15px; }

    .hero-banner, .section-header, .news-section-header, .prm-section-header {
        padding: 50px 0 30px;
    }
    .hero-banner h1, .section-header h2, .prm-section-header h2 { font-size: 28px; }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 40px;
    }
    .product-card .info-box { padding: 15px 10px; }
    .product-card .p-name {
        font-size: 14px;
        min-height: 3.2em;
        margin-bottom: 12px;
    }
    .view-more-btn {
        padding: 8px 15px;
        font-size: 11px;
        width: 100%;
        text-align: center;
    }

    .about-us-wrapper {
        padding: 40px 25px;
        margin: 0 10px 30px;
    }
    .about-us-wrapper::after { font-size: 60px; right: -10px; }
    .about-tag { font-size: 12px; margin-bottom: 15px; }

    .prm-why-choose-us { padding: 60px 0; }
    .prm-feature-grid { grid-template-columns: 1fr; }

    .partnership-premium { padding: 60px 0; }
    .prm-title { font-size: 32px; }
    .prm-meta-row { flex-direction: column; gap: 25px; }
    .prm-logo-matrix { grid-template-columns: repeat(2, 1fr); }
    .spinning-earth { width: 100%; }

    .solutions-wrapper { margin: 40px auto; }
    .solutions-grid { grid-template-columns: 1fr; }
    .card-large { grid-column: span 1; height: 350px; }
    .card-desc { opacity: 1; max-height: none; }

    /* 轮播图手机端 */
    .banner-swiper {
        height: 300px; /* 手机端高度300px */
    }
    .banner-swiper .swiper-slide {
        background-size: cover;
        background-color: #f0f0f0;
        background-repeat: no-repeat;
        background-position: center;
    }
    .banner-swiper .slide-content {
        display: none;
    }
    .banner-swiper .swiper-button-prev,
    .banner-swiper .swiper-button-next {
        display: none;
    }

    /* 新闻列表手机端：已由全局媒体查询覆盖，图片容器占满宽度 */
    .news-item-thumb {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .cta-section { padding: 80px 0; }
    .cta-content h2 { font-size: 28px; }
    .cta-content p { font-size: 16px; }

    .dynamic-content-section { padding: 30px 0; }

    /* 证书区域手机端 */
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .cert-title {
        font-size: 24px;
        margin-bottom: 25px;
    }
    .cert-item {
        padding: 10px;
        border-radius: 8px;
    }
}
/* 容器设置 */
.cert-section {
    max-width: 1480px; /* 页面宽度 1480px */
    margin: 80px auto;
    padding: 0 20px;
    background-color: transparent; /* 无背景色 */
    text-align: center;
}

/* 标题样式：黑色 */
.cert-main-title {
    color: #000000;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 50px;
    text-transform: capitalize;
}

.cert-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* 证书卡片初始状态 */
.cert-card {
    background: #ffffff;
    border: 1px solid #eeeeee;
    border-radius: 8px;
    padding: 30px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    z-index: 1;
}

.cert-card img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.cert-card:hover {
    transform: scale(1.18);
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12); 
    z-index: 10;
    background: #ffffff;
}

@media (max-width: 768px) {
    .cert-wrapper {
        grid-template-columns: repeat(2, 1fr); 
        gap: 15px;
    }
    
    .cert-main-title {
        font-size: 26px;
        margin-bottom: 30px;
    }

    .cert-card {
        padding: 15px;
    }
    
    .cert-card:hover {
        transform: scale(1.08);
    }
}