/* 前台主题样式 */
body {
    padding-top: 132px;
    font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #555;
    background-color: #fff;
}

html {
    scroll-behavior: smooth;
}

/* 导航栏 - 两行布局 */
.navbar-default {
    background: transparent;
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

/* ===== 第一行：品牌行（Logo + 网站名称 + 电话） ===== */
.nav-header-row {
    background: #fff;
    border-bottom: 1px solid #eee;
}

.nav-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 82px;
}

/* Logo + 网站名称 */
.nav-header-content .navbar-brand {
    display: flex;
    align-items: center;
    height: auto;
    padding: 0;
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    white-space: nowrap;
}

.nav-header-content .navbar-brand > img {
    height: 52px;
    width: auto;
    margin-right: 14px;
}

/* 联系电话 */
.nav-header-content .navbar-phone {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 700;
    color: #333;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.nav-header-content .navbar-phone i {
    font-size: 18px;
    color: #f39c12;
    margin-right: 8px;
}

.nav-header-content .navbar-phone .navbar-phone-text {
    font-weight: 700;
    color: #e74c3c;
    font-size: 18px;
}

/* 汉堡按钮（仅移动端可见） */
.nav-header-content .navbar-toggle {
    display: none;
    margin: 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 9px 10px;
}

.nav-header-content .navbar-toggle .icon-bar {
    background: #888;
}

/* ===== 第二行：菜单行 ===== */
.nav-menu-row {
    background: #2c3e50;
}

.nav-menu-row .navbar-nav {
    display: flex;
    justify-content: center;
    float: none;
    margin: 0;
}

.nav-menu-row .navbar-nav > li > a {
    color: rgba(255,255,255,.85);
    font-size: 15px;
    font-weight: 500;
    padding: 14px 22px;
    letter-spacing: 0.5px;
    transition: background .25s, color .25s;
}

.nav-menu-row .navbar-nav > li > a:hover,
.nav-menu-row .navbar-nav > li > a:focus {
    background: rgba(255,255,255,.12);
    color: #fff;
}

.nav-menu-row .navbar-nav > .active > a,
.nav-menu-row .navbar-nav > .active > a:hover {
    background: rgba(255,255,255,.15);
    color: #fff;
}

/* ===== 桌面端小屏适配 ===== */
@media (min-width: 768px) and (max-width: 992px) {
    .nav-header-content .navbar-phone {
        font-size: 14px;
    }
    .nav-header-content .navbar-phone .navbar-phone-text {
        font-size: 15px;
    }
    .nav-menu-row .navbar-nav > li > a {
        padding: 14px 14px;
        font-size: 14px;
    }
}

/* ===== 移动端 ===== */
@media (max-width: 767px) {
    body {
        padding-top: 60px;
        overflow-x: hidden;
        width: 100%;
    }
    html {
        overflow-x: hidden;
    }

    .nav-header-content {
        height: 60px;
    }

    .nav-header-content .navbar-toggle {
        display: block;
    }

    .nav-header-content .navbar-phone {
        display: none;
    }

    .nav-header-content .navbar-brand {
        font-size: 18px;
    }

    .nav-header-content .navbar-brand > img {
        height: 36px;
        margin-right: 10px;
    }

    .nav-menu-row {
        background: #fff;
        border-bottom: 1px solid #eee;
    }

    .nav-menu-row .navbar-nav {
        flex-direction: column;
        margin: 0;
    }

    .nav-menu-row .navbar-nav > li > a {
        color: #555;
        padding: 12px 20px;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-menu-row .navbar-nav > li > a:hover,
    .nav-menu-row .navbar-nav > li > a:focus {
        background: #f8f8f8;
        color: #e74c3c;
    }

    .nav-menu-row .navbar-nav > .active > a {
        background: #f0f0f0;
        color: #e74c3c;
    }
}

/* Banner */
.banner {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #fff;
    /* padding: 100px 0; */
    text-align: center;
}

.banner h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.banner p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.banner .btn-primary {
    background-color: #e74c3c;
    border-color: #c0392b;
    padding: 12px 40px;
    font-size: 16px;
    border-radius: 30px;
}

.banner .btn-primary:hover {
    background-color: #c0392b;
    border-color: #a93226;
}

/* === Banner 轮播 === */
#bannerCarousel,
#bannerCarousel .item {
    height: 500px;
}

.banner-slide {
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

/* 移动端专用完整图片（桌面端使用背景图，隐藏） */
.banner-slide-img {
    display: none;
}

#bannerCarousel .banner {
    background: rgba(0, 0, 0, 0.01);
    width: 100%;
    /* padding: 80px 0; */
}

#bannerCarousel .carousel-indicators li {
    border-color: rgba(255,255,255,0.6);
}

#bannerCarousel .carousel-indicators .active {
    background-color: #fff;
}

#bannerCarousel .carousel-control {
    background: transparent;
    width: 50px;
}

/* 移动端联系方式栏（桌面端隐藏） */
.mobile-contact-bar {
    display: none;
}

/* 通用区块 */
.section {
    padding: 10px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    margin: 16px auto 0;
}

.section-title p {
    font-size: 16px;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-gray {
    background-color: #f8f9fa;
}

/* 特色卡片 - 现代风格 */
.about-strength-section {
    padding-top: 0;
}
.strength-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    margin-bottom: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.strength-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(102,126,234,.15);
}
.strength-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 28px 20px;
    text-align: center;
    position: relative;
}
.strength-card-header h4 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 2px;
}
.strength-card-chevron {
    position: relative;
    height: 14px;
}
.strength-card-chevron::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 14px solid #667eea;
}
.strength-card-body {
    padding: 24px 20px 28px;
    text-align: center;
}
.strength-card-body p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
}

/* 产品类别筛选 */
.categories-wrap {
    /* background: linear-gradient(135deg, #f8f9ff, #f0f2ff); */
    /* border-radius: 16px; */
    padding: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(102,126,234,.08);
    border-left: 4px solid #667eea;
}

.categories-wrap-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.categories-wrap-title::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 18px;
    background: linear-gradient(180deg, #667eea, #764ba2);
    border-radius: 2px;
}

.product-categories {
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px;
}

.product-cat-item {
    display: inline-block;
    padding: 10px 28px;
    font-size: 14px;
    color: #555;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
}

.product-cat-item:hover {
    border-color: #667eea;
    color: #667eea;
    box-shadow: 0 4px 14px rgba(102,126,234,.12);
    transform: translateY(-2px);
}

.product-cat-item.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(102,126,234,.3);
    transform: translateY(-2px);
}

/* 分页 */
.pagination-wrap {
    text-align: center;
    margin-top: 30px;
}

.pagination-wrap .pagination {
    margin: 0;
}

.pagination-wrap .pagination > li > a {
    border-radius: 4px;
    margin: 0 3px;
    color: #667eea;
    border: 1px solid #e0e0e0;
    padding: 8px 14px;
    transition: all 0.3s ease;
}

.pagination-wrap .pagination > li > a:hover {
    background: #f0f0ff;
    border-color: #667eea;
}

.pagination-wrap .pagination > li.active > a {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: #667eea;
    color: #fff;
}

.pagination-wrap .pagination > li.disabled > a {
    color: #ccc;
    cursor: default;
}

.pagination-wrap .pagination > li.disabled > a:hover {
    background: #fff;
    border-color: #e0e0e0;
}

/* 特色卡片 - 渐变背景图片式 */
.feature-card-row {
    display: flex;
    flex-wrap: wrap;
}
.feature-card-row > [class*="col-"] {
    display: flex;
    float: none;
}

.feature-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 30px;
    min-height: 300px;
    width: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.5s cubic-bezier(.25,.46,.45,.94), box-shadow 0.5s ease;
    cursor: default;
}

.feature-card:hover {
    box-shadow: 0 16px 48px rgba(0,0,0,.18);
}

.feature-card:hover .feature-card-bg {
    box-shadow: inset 0 0 0 999px rgba(0,0,0,.35);
}

.feature-card-bg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card-bg i {
    font-size: 100px;
    opacity: 0.12;
    color: #fff;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.1));
}

.feature-card-text {
    position: relative;
    z-index: 1;
    padding: 20px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
    flex: 1;
}

.feature-card-text h4 {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0,0,0,.12);
}

.feature-card-text p {
    font-size: 16px;
    color: rgba(255,255,255,.88);
    line-height: 1.7;
    margin-bottom: 0;
    text-shadow: 0 1px 4px rgba(0,0,0,.1);
}

.feature-card:nth-child(1) .feature-card-bg { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.feature-card:nth-child(2) .feature-card-bg { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.feature-card:nth-child(3) .feature-card-bg { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.feature-card:nth-child(4) .feature-card-bg { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.feature-card:nth-child(5) .feature-card-bg { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.feature-card:nth-child(6) .feature-card-bg { background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }
.feature-card:nth-child(7) .feature-card-bg { background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%); }
.feature-card:nth-child(8) .feature-card-bg { background: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%); }

/* 深色渐变卡片第7、8张文字微调 */
.feature-card:nth-child(7) .feature-card-text h4 { color: #2d1b00; }
.feature-card:nth-child(7) .feature-card-text p { color: rgba(45,27,0,.85); }
.feature-card:nth-child(8) .feature-card-text h4 { color: #003366; }
.feature-card:nth-child(8) .feature-card-text p { color: rgba(0,51,102,.85); }

/* 特色卡片 - 左图右文新版（替代feature-card背景覆盖式） */
.advantage-card-row {
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
}
.advantage-card-row > [class*="col-"] {
    display: flex;
    float: none;
    margin-bottom: 30px;
}
.advantage-card {
    background: #fff;
    border: 1px solid #eaeaea;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 100%;
    width: 100%;
}
.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
    border-color: #d0d0d0;
}
.advantage-card-img {
    width: 180px;
    min-height: 140px;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    background-color: #f5f7fa;
    align-self: stretch;
}
.advantage-card-body {
    padding: 20px 24px 20px 20px;
    flex: 1;
    min-width: 0;
}
.advantage-card-body h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 8px;
    line-height: 1.4;
}
.advantage-card-line {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    margin-bottom: 10px;
}
.advantage-card-body p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 热门产品卡片 - 背景图填充式 */
.prod-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 30px;
    height: 300px;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    cursor: inherit;
    transition: transform 0.5s cubic-bezier(.25,.46,.45,.94), box-shadow 0.5s ease;
}

.prod-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,.15);
}

.prod-card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.prod-card:hover .prod-card-bg {
    transform: scale(1.08);
}

.prod-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.7) 0%, rgba(0,0,0,.2) 35%, rgba(0,0,0,.02) 65%, transparent 100%);
    pointer-events: none;
}

.prod-card-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    padding: 28px;
}

.prod-card-text h4 {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    text-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.prod-card-text p {
    color: rgba(255,255,255,.88);
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 0;
    text-shadow: 0 1px 6px rgba(0,0,0,.2);
}

.prod-card.span-row-2 {
    height: 630px;
}

.prod-card.span-row-3 {
    height: 960px;
}

/* 产品卡片右上角查看详情链接 */
.prod-card-link {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    background: rgba(0,0,0,.55);
    color: #fff;
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 20px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,.25);
    transition: background 0.3s, transform 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.prod-card-link:hover {
    background: rgba(231,76,60,.85);
    color: #fff;
    transform: translateY(-1px);
    text-decoration: none;
}

.prod-card-link i {
    font-size: 12px;
    transition: transform 0.3s;
}

/* 热门产品卡片 - 上图下文新样式 */
.hot-prod-row {
    display: flex;
    flex-wrap: wrap;
}
.hot-prod-row > [class*="col-"] {
    display: flex;
    float: none;
}
.hot-prod-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.hot-prod-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,.12);
}

.hot-prod-card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: #e8edf2;
    transition: transform 0.6s ease;
}

.hot-prod-card:hover .hot-prod-card-img {
    transform: scale(1.05);
}

.hot-prod-card-body {
    padding: 24px;
    flex: 1;
}

.hot-prod-card-body h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.hot-prod-card:hover .hot-prod-card-body h4 {
    color: #667eea;
}

.hot-prod-card-body p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 0;
}

.hot-prod-card-link {
    display: flex;
    text-decoration: none;
    color: inherit;
}

.hot-prod-card-link:hover {
    text-decoration: none;
}

/* 产品列表卡片 - 上图下文 */
.product-grid {
    display: flex;
    flex-wrap: wrap;
}
.product-grid > [class*="col-"] {
    display: flex;
    float: none;
    margin-bottom: 30px;
}
.prod-list-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}
.prod-list-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,.12);
}
.prod-list-card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: #e8edf2;
    transition: transform 0.6s ease;
    flex-shrink: 0;
}
.prod-list-card:hover .prod-list-card-img {
    transform: scale(1.05);
}
.prod-list-card-body {
    padding: 24px;
    flex: 1;
}
.prod-list-card-body h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 10px;
    transition: color 0.3s;
}
.prod-list-card:hover .prod-list-card-body h4 {
    color: #667eea;
}
.prod-list-card-body p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 0;
}
.prod-list-card-link {
    display: flex;
    text-decoration: none;
    color: inherit;
    width: 100%;
}
.prod-list-card-link:hover {
    text-decoration: none;
}

.prod-card-link:hover i {
    transform: translateX(3px);
}

.prod-card-link-wrap {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    overflow: hidden;
}

/* 案例展示卡片 - 上图下文式 */
.case-row {
    display: flex;
    flex-wrap: wrap;
}
.case-row > [class*="col-"] {
    display: flex;
    float: none;
    flex-shrink: 0;
    margin-bottom: 30px;
}
.case-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,.12);
}

.case-card-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    background-color: #e8edf2;
    transition: transform 0.6s ease;
}

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

.case-card-body {
    padding: 24px;
    flex: 1;
}

.case-card-body h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.case-card:hover .case-card-body h4 {
    color: #667eea;
}

.case-card-body p,
.case-card-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 产品详情组件 */
.pd-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 15px;
}

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

.pd-divider {
    text-align: center;
    margin: 60px 0 40px;
    position: relative;
}

.pd-divider::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: linear-gradient(to right, transparent, #ddd, transparent);
}

.pd-divider-icon {
    position: relative;
    z-index: 1;
    display: inline-block;
    background: #fff;
    padding: 0 24px;
    color: #e74c3c;
    font-size: 14px;
}

.pd-section-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 36px;
}

.pd-section-header-right {
    flex-direction: row-reverse;
    text-align: right;
}

.pd-section-header-right .pd-section-title-wrap {
    align-items: flex-end;
}

.pd-section-num {
    font-size: 48px;
    font-weight: 800;
    color: #e74c3c;
    line-height: 1;
    opacity: 0.6;
    flex-shrink: 0;
    font-family: serif;
}

.pd-section-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.pd-section-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
}

.pd-section-line {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #e74c3c, #f39c12);
    border-radius: 2px;
}

.pd-section-row {
    display: flex;
    gap: 40px;
    align-items: center;
}

.pd-row-reverse {
    flex-direction: row-reverse;
}

.pd-section-row .pd-images {
    flex: 1;
    min-width: 0;
    grid-template-columns: 1fr;
    margin-bottom: 0;
}

.pd-section-row .pd-body {
    flex: 1;
    min-width: 0;
}

.pd-section-row .pd-body-has-img {
    margin-top: 0;
}

.pd-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 36px;
}

.pd-images-single {
    grid-template-columns: 1fr;
}

.pd-img-wrap {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,.08);
    transition: transform 0.4s;
}

.pd-img-wrap:hover {
    transform: translateY(-4px);
}

.pd-img-wide .pd-img {
    height: 400px;
}

.pd-img {
    height: 280px;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s;
}

.pd-img-wrap:hover .pd-img {
    transform: scale(1.04);
}

.pd-body {
    max-width: 780px;
}

.pd-body-has-img {
    margin-top: 8px;
}

.pd-text {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
    text-align: justify;
}

.pd-html {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
}

.pd-html img {
    max-width: 100%;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

/* 案例卡片 */
.case-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,.06);
    margin-bottom: 30px;
    transition: transform 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-card .case-img {
    height: 220px;
    background-size: cover;
    background-position: center;
}

.case-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.case-card-link:hover {
    text-decoration: none;
}

.case-card .case-body {
    padding: 20px;
}

.case-card .case-body h4 {
    margin: 0 0 10px;
    font-size: 18px;
    color: #2c3e50;
}

.case-card .case-body p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* 关于我们 */
.about-section {
    padding: 80px 0;
}

.about-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 30px;
}

.about-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

/* 联系我们 */
.contact-info {
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,.06);
    margin-bottom: 30px;
}

.contact-info .info-item {
    margin-bottom: 20px;
}

.contact-info .info-item i {
    font-size: 20px;
    color: #3498db;
    width: 30px;
}

.contact-info .info-item span {
    font-size: 15px;
    color: #555;
}

/* 页脚 */
.site-footer {
    background-color: #333;
    color: #ccc;
    padding: 50px 0;
    font-size: 14px;
}
.footer-main {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-left {
    flex: 1;
    min-width: 280px;
    padding-right: 40px;
}
.footer-address p {
    margin: 0 0 4px;
    color: #ccc;
    line-height: 1.7;
}
.footer-address .footer-label {
    color: #fff;
    font-weight: 600;
}
.footer-bottom {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid #444;
}
.footer-bottom p {
    margin: 0 0 4px;
    color: #999;
    font-size: 12px;
    line-height: 1.6;
}
.footer-bottom a {
    color: #999;
}
.footer-bottom a:hover {
    color: #ccc;
}
.footer-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}
.footer-qr {
    flex-shrink: 0;
}
.footer-qr img {
    width: 100px;
    height: 100px;
    border-radius: 6px;
    display: block;
}
.footer-phone-label {
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}
.footer-phone-num {
    display: block;
    color: #f5a623;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-top: 2px;
    margin-right: 12px;
}
.footer-wechat-tag {
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 14px;
    padding: 4px 14px;
    font-size: 12px;
    color: rgba(179, 180, 187, 0.7);
    line-height: 1.4;
    vertical-align: middle;
}

/* 页面头部 - 英雄区 */
.page-hero {
    position: relative;
    min-height: 420px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.45);
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 80px 0;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 案例/联系页标题区 */
.case-header {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    background-size: cover;
    background-position: center;
    text-align: center;
    overflow: hidden;
}

.case-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,.55) 0%, rgba(44,62,80,.45) 100%);
    z-index: 1;
}

.case-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(102,126,234,.06) 0%, transparent 70%);
}

.case-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(118,75,162,.05) 0%, transparent 70%);
}

.case-header-content {
    position: relative;
    z-index: 1;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-header-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #667eea;
    margin-bottom: 16px;
    font-weight: 600;
}

.case-header:has(.case-header-overlay) .case-header-tag {
    color: rgba(255,255,255,.8);
}

.case-header h1 {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 20px;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0,0,0,.3);
}

.case-header:has(.case-header-overlay) h1 {
    color: #fff;
}

.case-header-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    margin: 0 auto 24px;
}

.case-header p {
    font-size: 16px;
    color: rgba(255,255,255,.7);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

.case-header:has(.case-header-overlay) p {
    color: rgba(255,255,255,.7);
}

.page-hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 8px rgba(0,0,0,.3);
}

.page-hero-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255,255,255,.8);
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 20px;
    padding: 4px 18px;
    margin-bottom: 20px;
    text-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.page-hero-content p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.page-hero-rounded {
    min-height: 280px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

.page-hero-line {
    width: 60px;
    height: 3px;
    background: #f5a623;
    margin: 16px auto;
}

/* ===== FAQ 常见问题 - 全新设计 ===== */

/* 头部 */
.qa-header {
    position: relative;
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    text-align: center;
    overflow: hidden;
}
.qa-header-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(102,126,234,.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(118,75,162,.10) 0%, transparent 50%),
        radial-gradient(circle at 50% 0%, rgba(255,255,255,.04) 0%, transparent 30%);
    pointer-events: none;
}
.qa-header-content {
    position: relative;
    z-index: 1;
}
.qa-header-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255,255,255,.75);
    margin-bottom: 16px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 20px;
    padding: 4px 18px;
}
.qa-header-content h1 {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 20px;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.qa-header-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    margin: 0 auto 24px;
}
.qa-header-content p {
    font-size: 16px;
    color: rgba(255,255,255,.7);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 搜索框 */
.qa-section {
    padding-top: 30px !important;
    padding-bottom: 20px !important;
}
.qa-search-wrap {
    max-width: 700px;
    margin: 0 auto 40px;
    text-align: center;
}
.qa-search-inner {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
}
.qa-search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: #adb5bd;
    pointer-events: none;
    transition: color .3s;
}
.qa-search-input {
    width: 100%;
    height: 52px;
    border: 2px solid #e8e8e8;
    border-radius: 26px;
    padding: 0 20px 0 48px;
    font-size: 15px;
    color: #333;
    background: #fff;
    outline: none;
    transition: border-color .3s, box-shadow .3s;
    box-sizing: border-box;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.qa-search-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102,126,234,.1), 0 4px 16px rgba(102,126,234,.08);
}
.qa-search-input:focus ~ .qa-search-icon {
    color: #667eea;
}
.qa-search-input::placeholder {
    color: #bbb;
}
.qa-stats {
    margin-top: 16px;
    font-size: 14px;
    color: #888;
}
.qa-stats strong {
    color: #333;
    font-weight: 700;
}

/* 问题列表 */
.qa-list {
    max-width: 820px;
    margin: 0 auto;
}
.qa-item {
    background: #fff;
    border-radius: 14px;
    margin-bottom: 14px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
    border: 1px solid #f0f0f0;
    overflow: hidden;
    transition: box-shadow .3s;
    position: relative;
}
.qa-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity .3s;
    border-radius: 0 2px 2px 0;
}
.qa-item:hover {
    box-shadow: 0 4px 24px rgba(102,126,234,.08);
    border-color: #e8e8ff;
}
.qa-item:hover::before {
    opacity: 1;
}
.qa-item.qa-open {
    box-shadow: 0 6px 32px rgba(102,126,234,.12);
    border-color: #dcdcff;
}
.qa-item.qa-open::before {
    opacity: 1;
}

.qa-question {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    cursor: pointer;
    user-select: none;
    transition: background .2s;
}
.qa-question:hover {
    background: #fafbff;
}
.qa-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    border-radius: 50%;
    line-height: 1;
}
.qa-title {
    flex: 1;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    line-height: 1.5;
    transition: color .2s;
}
.qa-question:hover .qa-title {
    color: #667eea;
}
.qa-toggle {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #f0f0ff;
    color: #667eea;
    font-size: 13px;
    transition: transform .3s, background .3s;
}
.qa-item.qa-open .qa-toggle {
    transform: rotate(180deg);
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
}

/* 答案 */
.qa-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
}
.qa-item.qa-open .qa-answer {
    max-height: 1200px;
}
.qa-answer-inner {
    padding: 4px 24px 24px 72px;
    font-size: 15px;
    line-height: 1.9;
    color: #555;
    border-top: 1px solid #f0f0f0;
}
.qa-answer-inner p {
    margin-bottom: 10px;
}
.qa-answer-inner img {
    max-width: 100%;
    border-radius: 8px;
    margin: 12px 0;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.qa-answer-inner ul,
.qa-answer-inner ol {
    padding-left: 20px;
    margin-bottom: 10px;
}
.qa-answer-inner li {
    margin-bottom: 6px;
}

/* 空状态 / 无搜索结果 */
.qa-empty,
.qa-no-result {
    text-align: center;
    padding: 80px 20px;
}
.qa-empty-icon {
    font-size: 56px;
    color: #d0d5e0;
    margin-bottom: 20px;
}
.qa-empty h4,
.qa-no-result h4 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin: 0 0 8px;
}
.qa-empty p,
.qa-no-result p {
    font-size: 15px;
    color: #888;
    margin: 0;
}

/* 底边 CTA */
.qa-cta {
    text-align: center;
    padding: 30px 20px;
}
.qa-cta h3 {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 10px;
}
.qa-cta p {
    font-size: 15px;
    color: #888;
    margin: 0 0 28px;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}
.qa-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all .3s;
    box-shadow: 0 4px 20px rgba(102,126,234,.25);
}
.qa-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102,126,234,.35);
    color: #fff;
    text-decoration: none;
}
.qa-cta-btn i {
    font-size: 16px;
}

/* 移动端响应 */
@media (max-width: 768px) {
    .qa-header {
        padding: 60px 0 50px;
    }
    .qa-header-content h1 {
        font-size: 28px;
    }
    .qa-header-tag {
        font-size: 10px;
        letter-spacing: 2px;
    }
    .qa-question {
        padding: 14px 16px;
        gap: 10px;
    }
    .qa-title {
        font-size: 14px;
    }
    .qa-num {
        width: 26px;
        height: 26px;
        font-size: 11px;
    }
    .qa-answer-inner {
        padding: 4px 16px 16px 42px;
        font-size: 14px;
    }
    .qa-cta h3 {
        font-size: 22px;
    }
    .qa-search-input {
        height: 46px;
        font-size: 14px;
    }
}

/* 动画 */
@keyframes qaFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.qa-item {
    animation: qaFadeIn .4s ease both;
}
.qa-item:nth-child(1)  { animation-delay: .02s; }
.qa-item:nth-child(2)  { animation-delay: .04s; }
.qa-item:nth-child(3)  { animation-delay: .06s; }
.qa-item:nth-child(4)  { animation-delay: .08s; }
.qa-item:nth-child(5)  { animation-delay: .10s; }
.qa-item:nth-child(6)  { animation-delay: .12s; }
.qa-item:nth-child(7)  { animation-delay: .14s; }
.qa-item:nth-child(8)  { animation-delay: .16s; }
.qa-item:nth-child(9)  { animation-delay: .18s; }
.qa-item:nth-child(10) { animation-delay: .20s; }

/* 内容页面 */
.content-page {
    padding: 60px 0;
}

.content-page p {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
}

.contact-section {
    margin-top: 0;
    position: relative;
    z-index: 1;
}

/* ===== 波浪分隔器 ===== */
.wave-divider-container {
    position: relative;
    width: 100%;
    height: 80px;
    overflow: hidden;
    margin-top: 40px;
}

.wave-divider-svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
}

/* ===== 联系我们面板 ===== */
.contact-section .row {
    display: flex;
    flex-wrap: wrap;
}

.contact-section .row > [class*="col-"] {
    float: none;
    display: flex;
}

.contact-panel {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    overflow: hidden;
    height: 100%;
    width: 100%;
}

.contact-panel-header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: #fff;
    padding: 36px 30px 28px;
}

.contact-panel-header h3 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
}

.contact-panel-header p {
    margin: 8px 0 0;
    font-size: 14px;
    opacity: .8;
}

.contact-panel-body {
    padding: 24px 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(52,152,219,.1);
    color: #3498db;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

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

.contact-item-text label {
    display: block;
    font-size: 12px;
    color: #999;
    margin-bottom: 2px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item-text span {
    font-size: 15px;
    color: #333;
    word-break: break-all;
}

.contact-panel-qr {
    border-top: 1px solid #eee;
    padding: 24px 30px;
    text-align: center;
}

.contact-panel-qr img {
    max-width: 140px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}

.contact-panel-qr p {
    margin: 10px 0 0;
    font-size: 13px;
    color: #999;
}

/* ===== 在线需求表单组件 ===== */
.demand-form {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    padding: 36px 30px;
    height: 100%;
    width: 100%;
}

.demand-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 6px;
}

.demand-title small {
    font-size: 14px;
    color: #999;
    font-weight: 400;
    display: block;
    margin-top: 4px;
}

.demand-row {
    margin-bottom: 20px;
}

.demand-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

.demand-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.demand-field label small {
    font-weight: 400;
    color: #999;
    font-size: 12px;
}

.demand-input {
    width: 100%;
    height: 44px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 0 14px;
    font-size: 14px;
    color: #333;
    background: #f8f9fa;
    outline: none;
    transition: border-color .3s, box-shadow .3s;
    box-sizing: border-box;
}

.demand-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,.1);
    background: #fff;
}

.demand-input::placeholder {
    color: #bbb;
}

.required {
    color: #e74c3c;
}

/* 切换按钮 */
.demand-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.demand-toggle {
    padding: 8px 22px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #f8f9fa;
    color: #555;
    font-size: 14px;
    cursor: pointer;
    transition: all .25s;
    outline: none;
}

.demand-toggle:hover {
    border-color: #667eea;
    color: #667eea;
}

.demand-toggle.active {
    background: #667eea;
    border-color: #667eea;
    color: #fff;
}

/* 文本框 */
.demand-textarea {
    width: 100%;
    height: 90px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 14px;
    color: #333;
    background: #f8f9fa;
    outline: none;
    resize: vertical;
    transition: border-color .3s, box-shadow .3s;
    box-sizing: border-box;
    font-family: inherit;
}

.demand-textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,.1);
    background: #fff;
}

.demand-textarea::placeholder {
    color: #bbb;
}

/* 复选框 */
.demand-checkbox-label {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0 !important;
}

.demand-checkbox {
    width: 16px;
    height: 16px;
    accent-color: #667eea;
}

.privacy-link {
    color: #e67e22;
    text-decoration: none;
}

.privacy-link:hover {
    text-decoration: underline;
}

.required-hint {
    font-size: 12px;
    color: #e74c3c;
    margin-left: 16px;
}

/* 提交按钮 */
.demand-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 40px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #1a2a3a, #2c3e50);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s;
    outline: none;
}

.demand-submit:hover {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    box-shadow: 0 4px 16px rgba(44,62,80,.3);
    transform: translateY(-1px);
}

.demand-submit i {
    font-size: 15px;
}

/* 响应式 */
@media (max-width: 768px) {
    .contact-section .row {
        display: block;
    }
    .contact-section .row > [class*="col-"] {
        display: block;
        float: none;
    }
    .demand-row-3 {
        grid-template-columns: 1fr;
    }
    .contact-panel-header {
        padding: 24px 20px;
    }
    .contact-panel-body {
        padding: 20px;
    }
    .demand-form {
        padding: 24px 20px;
    }
    .contact-panel-qr {
        padding: 20px;
    }
}

/* ===== 案例详情页 ===== */
.case-detail-main {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    padding: 40px;
}

.case-detail-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 30px;
    padding-bottom: 20px;
}

.case-detail-meta {
    margin: -20px 0 25px;
    border-bottom: 2px solid #f0f0f0;
}

.case-detail-meta span {
    color: #999;
    font-size: 13px;
}

.case-detail-images {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

.case-detail-images:has(.case-detail-img-wrap:nth-child(2)) {
    grid-template-columns: 1fr 1fr;
}

.case-detail-img-wrap {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.case-detail-img-wrap img {
    width: 100%;
    display: block;
}

.case-detail-body {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
}

.case-detail-text {
    margin-bottom: 20px;
    text-align: justify;
}

.case-detail-html img {
    max-width: 100%;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

/* 案例侧边栏 */
.case-sidebar {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    padding: 24px 0;
    position: sticky;
    top: 90px;
}

.case-sidebar-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    padding: 0 24px 16px;
    margin: 0;
    border-bottom: 2px solid #f0f0f0;
}

.case-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    text-decoration: none;
    transition: background 0.3s;
    border-bottom: 1px solid #f5f5f5;
}

.case-sidebar-item:last-child {
    border-bottom: none;
}

.case-sidebar-item:hover {
    background: #f8f9fa;
    text-decoration: none;
}

.case-sidebar-img {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
    background-color: #e8edf2;
}

.case-sidebar-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-sidebar-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.3s;
}

.case-sidebar-item:hover .case-sidebar-name {
    color: #667eea;
}

.case-sidebar-desc {
    font-size: 12px;
    color: #999;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 768px) {
    .case-detail-main {
        padding: 24px 20px;
    }
    .case-detail-title {
        font-size: 22px;
    }
    .case-sidebar {
        margin-top: 30px;
        position: static;
    }
}

@media (max-width: 768px) {
    .pd-section-row {
        flex-direction: column !important;
        gap: 20px;
    }
    .pd-section-row .pd-images,
    .pd-section-row .pd-body {
        flex: none;
        width: 100%;
    }
    .pd-img-wide .pd-img {
        height: 260px;
    }
    .pd-container {
        padding: 40px 15px;
    }
}

@media (max-width: 768px) {
    .case-header {
        padding: 60px 0 40px;
    }
    .case-header h1 {
        font-size: 28px;
    }
    .case-header-tag {
        font-size: 10px;
        letter-spacing: 2px;
    }
}

/* ===== 关于我们页面 ===== */

/* Banner - 深色渐变 */
.about-banner {
    /* background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%) !important; */
}
.about-banner .case-header-tag {
    color: rgba(255,255,255,.75);
}
.about-banner h1 {
    color: #fff;
}
.about-banner .case-header-line {
    background: linear-gradient(90deg, #f39c12, #e74c3c);
}
.about-banner p {
    color: rgba(255,255,255,.7);
}

/* 公司简介介绍区 */
.about-intro-img {
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,.08);
    margin-bottom: 30px;
}
.about-intro h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
}
.about-intro h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    margin-top: 14px;
}
.about-intro p {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 16px;
    text-align: justify;
}
.about-intro .about-desc-content {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    text-align: justify;
}
.about-intro .about-desc-content p {
    margin-bottom: 16px;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    text-align: inherit;
}

/* 左图右文垂直居中 */
.about-intro-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

/* 数据指标面板 */
.about-stats {
    background: #fff;
    padding: 60px 0;
}
.about-stats .section-title h2 {
    color: #333;
}
.about-stats .section-title h2::after {
    background: linear-gradient(90deg, #f39c12, #e74c3c);
}
.about-stats .section-title p {
    color: #888;
}
.about-stat-col {
    margin-bottom: 30px;
    float: none;
    display: inline-block;
    vertical-align: top;
}
/* 父容器 .row 居中所有统计卡片 */
.about-stats .row {
    text-align: center;
}
.about-stat-card {
    text-align: center;
    padding: 20px 20px;
    background: #f0f5ff;
    border-radius: 16px;
    border: 1px solid #e8e8e8;
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.about-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 36px rgba(0,0,0,.1);
}
.about-stat-value {
    font-size: 42px;
    font-weight: 800;
    color: #2980b9;
    line-height: 1.1;
    margin-bottom: 8px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}
.about-stat-label {
    font-size: 15px;
    color: #888;
    font-weight: 500;
    letter-spacing: 1px;
}

/* 时间线 */
.about-timeline-section {
    padding-top: 0;
}
.about-timeline {
    position: relative;
    padding: 20px 0;
}
.about-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #667eea, #764ba2, #f093fb);
    transform: translateX(-50%);
    border-radius: 2px;
}
.about-timeline-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}
.about-timeline-item:last-child {
    margin-bottom: 0;
}
.about-timeline-marker {
    position: absolute;
    left: 50%;
    top: 12px;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-timeline-dot {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,.15), 0 2px 8px rgba(0,0,0,.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
.about-timeline-item:hover .about-timeline-dot {
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgba(102,126,234,.2), 0 4px 12px rgba(0,0,0,.15);
}
.about-timeline-content {
    width: 44%;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.about-timeline-item:not(.about-timeline-right) .about-timeline-content {
    margin-left: 0;
    margin-right: 56%;
}
.about-timeline-right .about-timeline-content {
    margin-left: 56%;
    margin-right: 0;
}
.about-timeline-date {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 20px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.about-timeline-body {
    background: #fff;
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    border: 1px solid rgba(0,0,0,.04);
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s;
}
.about-timeline-body:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(102,126,234,.12), 0 4px 12px rgba(0,0,0,.06);
}
.about-timeline-img-wrap {
    margin-bottom: 10px;
}
.about-timeline-img-wrap img {
    width: 100%;
    border-radius: 10px;
    max-height: 160px;
    object-fit: cover;
}
.about-timeline-text h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 6px;
}
.about-timeline-text div {
    font-size: 14px;
    line-height: 1.7;
    color: #6b7280;
}

/* 公司荣誉 */
.about-honor-section {
    padding-top: 0;
}
.about-honor-item {
    text-align: center;
    margin-bottom: 30px;
    padding: 24px 16px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s;
    border: 1px solid rgba(0,0,0,.04);
    height: 100%;
}
.about-honor-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 36px rgba(102,126,234,.12);
}
.about-honor-img-wrap {
    margin-bottom: 16px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-honor-img-wrap img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}
.about-honor-name {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

/* ===== 新闻资讯卡片 ===== */
.news-row {
    display: flex;
    flex-wrap: wrap;
}
.news-row > [class*="col-"] {
    display: flex;
    float: none;
}
.news-card-wrap-link {
    display: flex;
    text-decoration: none;
    color: inherit;
}
.news-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    transition: transform 0.4s cubic-bezier(.25,.46,.45,.94), box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,.12);
}

.news-card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: #e8edf2;
    transition: transform 0.6s ease;
}

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

.news-card-body {
    padding: 24px;
    flex: 1;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 13px;
    color: #999;
}

.news-date {
    color: #999;
}

.news-author {
    color: #999;
}

.news-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s;
}

.news-card:hover .news-card-title {
    color: #667eea;
}

.news-card-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-more {
    font-size: 13px;
    font-weight: 600;
    color: #667eea;
    transition: gap 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.news-card:hover .news-card-more {
    gap: 8px;
}

/* ===== 页面标题与面包屑 ===== */
.page-header-section {
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
    padding: 32px 0 28px;
}

.page-header-section h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 10px;
}

.page-breadcrumb {
    font-size: 14px;
    color: #888;
}

.page-breadcrumb a {
    color: #667eea;
    text-decoration: none;
}

.page-breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-sep {
    margin: 0 8px;
    color: #ccc;
}

.breadcrumb-current {
    color: #999;
}

@media (max-width: 768px) {
    .page-header-section {
        padding: 24px 0 20px;
    }
    .page-header-section h1 {
        font-size: 22px;
    }
}

/* ===== 面包屑导航栏（Banner下方） ===== */
.breadcrumb-bar {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    padding: 14px 0;
}

.breadcrumb-bar a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.breadcrumb-bar a:hover {
    color: #4a5ad3;
    text-decoration: underline;
}

.breadcrumb-bar .breadcrumb-sep {
    margin: 0 10px;
    color: #d0d0d0;
    font-size: 13px;
}

.breadcrumb-bar .breadcrumb-current {
    color: #999;
    font-size: 14px;
}

/* ===== 新闻详情页 ===== */
.article-container {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
    padding: 35px 50px;
}

.article-meta-bar {
    text-align: left;
    padding: 0 0 28px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 30px;
}

.article-meta-title {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 16px;
    line-height: 1.4;
}

.article-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.article-meta-item {
    font-size: 14px;
    color: #888;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    position: relative;
}

.article-meta-item + .article-meta-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 14px;
    background: #e0e0e0;
}

.article-meta-item i {
    color: #667eea;
    font-size: 15px;
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    padding-bottom: 10px;
}

.article-content p {
    margin-bottom: 18px;
}

.article-content img {
    max-width: 100%;
    border-radius: 10px;
    margin: 24px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

.article-content h2,
.article-content h3,
.article-content h4 {
    color: #1a1a2e;
    font-weight: 700;
    margin: 36px 0 16px;
}

.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }

.article-content ul,
.article-content ol {
    padding-left: 24px;
    margin-bottom: 18px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content blockquote {
    border-left: 4px solid #667eea;
    padding: 14px 22px;
    margin: 24px 0;
    background: #f8f9ff;
    border-radius: 0 8px 8px 0;
    color: #666;
    font-style: italic;
}

.article-content a {
    color: #667eea;
    text-decoration: underline;
}

/* 外部链接 */
.article-external-text {
    font-size: 15px;
    color: #555;
    text-align: center;
    padding: 40px 0;
}

.article-external-link-a {
    color: #667eea;
    font-weight: 600;
    text-decoration: underline;
}

/* 底部返回按钮 */
.article-footer {
    text-align: center;
    padding-top: 40px;
    margin-top: 10px;
    border-top: 1px solid #f0f0f0;
}

.article-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 32px;
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    color: #666;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
}

.article-back-btn:hover {
    border-color: #667eea;
    color: #667eea;
    background: #f8f9ff;
    text-decoration: none;
}

@media (max-width: 768px) {
    .article-container {
        padding: 24px 20px;
    }
    .article-meta-title {
        font-size: 20px;
    }
    .article-meta-row {
        gap: 6px 0;
    }
    .article-meta-bar {
        gap: 6px 0;
    }
    .article-meta-item {
        padding: 4px 14px;
    }
    .article-meta-item + .article-meta-item::before {
        display: none;
    }
}

/* 时间线移动端响应式 */
@media (max-width: 768px) {
    .about-timeline::before {
        left: 20px;
    }
    .about-timeline-marker {
        left: 20px;
        top: 16px;
    }
    .about-timeline-content,
    .about-timeline-item:not(.about-timeline-right) .about-timeline-content,
    .about-timeline-right .about-timeline-content {
        width: calc(100% - 50px);
        margin-left: 50px;
        margin-right: 0;
    }
    .about-timeline-item {
        margin-bottom: 36px;
    }
    .about-stat-value {
        font-size: 36px;
    }
}

/* ========================================================================
   响应式设计 - 移动端全面适配 (max-width: 767px)
   优先级：PC端样式保持不变，以下仅在视口 ≤767px 时覆盖
   ======================================================================== */

/* --- 1. 全局调整 --- */
@media (max-width: 767px) {
    body {
        padding-top: 60px;
    }
    .section {
        padding: 0;
    }
    .section-title {
        margin-bottom: 36px;
    }
    .section-title h2 {
        font-size: 24px;
    }
    .section-title h2::after {
        width: 40px;
        height: 3px;
        margin-top: 12px;
    }
    .section-title p {
        font-size: 14px;
    }

    /* --- 2. 导航栏 --- */
    .nav-header-content {
        height: 60px;
    }
    .nav-header-content .navbar-toggle {
        display: block;
    }
    .nav-header-content .navbar-phone {
        display: none;
    }
    .nav-header-content .navbar-brand {
        font-size: 16px;
    }
    .nav-header-content .navbar-brand > img {
        height: 32px;
        margin-right: 8px;
    }
    .nav-menu-row {
        background: #fff;
        border-bottom: 1px solid #eee;
    }
    .nav-menu-row .navbar-nav {
        flex-direction: column;
        margin: 0;
    }
    .nav-menu-row .navbar-nav > li > a {
        color: #555;
        padding: 12px 20px;
        border-bottom: 1px solid #f0f0f0;
    }

    /* --- 3. 首页 Banner 轮播——移动端完整显示图片，隐藏文字 --- */
    #bannerCarousel,
    #bannerCarousel .item {
        height: auto;
    }
    .banner-slide {
        display: block;
    }
    .banner-slide-img {
        display: block;
        width: 100%;
        height: 140px;
        object-fit: cover;
        object-position: center;
        vertical-align: top;
    }
    #bannerCarousel .banner {
        display: none;
    }
    #bannerCarousel .carousel-control {
        display: none;
    }
    #bannerCarousel .carousel-indicators {
        bottom: 10px;
    }
    .banner h1 {
        font-size: 24px;
        margin-bottom: 12px;
    }
    .banner p {
        font-size: 14px;
        margin-bottom: 20px;
        max-width: 100%;
    }
    .banner .btn-primary {
        padding: 8px 28px;
        font-size: 14px;
    }

    /* 移动端隐藏无图默认 Banner（有图轮播在电话条下方展示） */
    .main-content > div.banner {
        display: none;
    }
    /* 移动端联系电话条：主题渐变通栏 + 毛玻璃胶囊，品牌感强、紧凑不突兀 */
    .mobile-contact-bar {
        display: block;
        padding: 10px 15px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        box-shadow: 0 3px 12px rgba(102,126,234,.28);
    }
    .mobile-contact-tel {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        max-width: 100%;
        padding: 8px 20px;
        background: rgba(255,255,255,.16);
        border: 1px solid rgba(255,255,255,.32);
        border-radius: 50px;
        -webkit-backdrop-filter: blur(6px);
        backdrop-filter: blur(6px);
        text-decoration: none;
        color: inherit;
        transition: background .2s, transform .1s;
    }
    .mobile-contact-tel:active {
        background: rgba(255,255,255,.28);
        transform: scale(.97);
    }
    .mobile-contact-tel-icon {
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: #fff;
        color: #667eea;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-size: 12px;
        box-shadow: 0 2px 6px rgba(102,126,234,.35);
    }
    .mobile-contact-tel-label {
        font-size: 12px;
        color: rgba(255,255,255,.82);
        letter-spacing: .5px;
        white-space: nowrap;
    }
    .mobile-contact-tel-value {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 1px;
        white-space: nowrap;
        text-shadow: 0 1px 4px rgba(0,0,0,.15);
    }

    /* --- 4. 特色卡片——移动端改为圆形图标+标题、每行2个 --- */
    .advantage-card-row {
        flex-wrap: wrap;
        margin: 0 -6px;
    }
    .advantage-card-row > [class*="col-"] {
        width: 50%;
        min-width: 0;
        flex: 0 0 50%;
        margin-bottom: 20px;
        padding-left: 6px;
        padding-right: 6px;
    }

    /* 波浪分隔器——移动端降低高度 */
    .wave-divider-container {
        height: 50px;
        margin-top: 20px;
    }
    .wave-divider-svg {
        height: 50px;
    }
    .contact-section {
        padding: 30px 0 40px 0 !important;
    }
    .advantage-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        justify-content: flex-start;
        background: transparent;
        border: none;
        box-shadow: none;
        overflow: visible;
        height: auto;
    }
    .advantage-card:hover {
        transform: none;
        box-shadow: none;
    }
    .advantage-card-img {
        width: 76px;
        height: 76px;
        min-height: auto;
        border-radius: 50%;
        background-color: #f0f2ff;
        border: 3px solid #fff;
        box-shadow: 0 0 0 1px rgba(102,126,234,.28), 0 6px 16px rgba(102,126,234,.18);
        align-self: auto;
        flex-shrink: 0;
    }
    .advantage-card-body {
        padding: 10px 4px 0;
        width: 100%;
    }
    .advantage-card-body h4 {
        font-size: 13px;
        margin-bottom: 0;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .advantage-card-line {
        display: none;
    }
    .advantage-card-body p {
        display: none;
    }

    /* --- 5. 首页热门产品、案例卡片 --- */
    .hot-prod-row {
        display: flex;
        flex-wrap: wrap;
        margin: 0 -6px;
    }
    .hot-prod-row > [class*="col-"],
    .case-row > [class*="col-"],
    .product-grid > [class*="col-"] {
        width: 50%;
        float: none;
        display: flex;
        padding-left: 6px;
        padding-right: 6px;
        margin-bottom: 12px;
    }
    .hot-prod-card-img,
    .case-card-img,
    .prod-list-card-img {
        height: 110px;
    }
    .hot-prod-card-body,
    .case-card-body,
    .prod-list-card-body {
        padding: 10px;
    }
    .hot-prod-card-body h4,
    .case-card-body h4,
    .prod-list-card-body h4 {
        font-size: 13px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        margin-bottom: 0;
    }
    .hot-prod-card-body p,
    .case-card-body p,
    .case-card-desc {
        display: none;
    }
    .hot-prod-card,
    .case-card {
        margin-bottom: 0;
        border-radius: 10px;
        width: 100%;
    }
    .hot-prod-card-link {
        width: 100%;
    }

    /* --- 6. page-hero 区域 (product / news) --- */
    .page-hero {
        min-height: 220px;
    }
    .page-hero-content {
        padding: 40px 0;
    }
    .page-hero-content h1 {
        font-size: 24px;
    }
    .page-hero-content p {
        font-size: 14px;
    }
    .page-hero-label {
        font-size: 11px;
        padding: 3px 14px;
    }

    /* --- 7. case-header 区域 (case / about / contact) --- */
    .case-header {
        padding: 50px 0 36px;
    }
    .case-header h1 {
        font-size: 24px;
    }
    .case-header-tag {
        font-size: 10px;
        letter-spacing: 2px;
    }
    .case-header p {
        font-size: 14px;
    }

    /* --- 8. 产品分类筛选 --- */
    .categories-wrap {
        padding: 10px 8px;
    }
    .product-categories {
        gap: 8px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }
    .product-categories::-webkit-scrollbar {
        display: none;
    }
    .product-cat-item {
        padding: 8px 18px;
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* --- 9. 产品列表卡片（匹配首页热门产品风格）--- */
    .prod-list-card-img {
        height: 110px;
    }
    .prod-list-card-body {
        padding: 10px;
    }
    .prod-list-card-body p {
        display: none;
    }
    .prod-list-card {
        border-radius: 10px;
    }

    /* --- 10. 新闻卡片（匹配案例页面风格）--- */
    .news-row > [class*="col-"] {
        width: 50%;
        float: none;
        display: flex;
        padding-left: 6px;
        padding-right: 6px;
        margin-bottom: 12px;
    }
    .news-card-img {
        height: 110px;
    }
    .news-card-body {
        padding: 10px;
    }
    .news-card-title {
        font-size: 13px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        margin-bottom: 0;
    }
    .news-card-desc,
    .news-card-more,
    .news-meta {
        display: none;
    }
    .news-card {
        border-radius: 10px;
        margin-bottom: 0;
    }
    .news-card-wrap-link .news-card {
        margin-bottom: 0 !important;
    }
    .news-card-wrap-link {
        width: 100%;
    }

    /* --- 11. 案例详情 & 新闻详情 布局 --- */
    .case-detail-main {
        padding: 20px;
    }
    .case-detail-title {
        font-size: 20px;
    }
    .case-sidebar {
        margin-top: 30px;
        position: static;
    }

    /* --- 12. 文章详情容器 --- */
    .article-container {
        padding: 20px 16px;
    }
    .article-meta-title {
        font-size: 20px;
    }
    .article-meta-row {
        gap: 6px 0;
        flex-direction: column;
    }
    .article-meta-item + .article-meta-item::before {
        display: none;
    }

    /* --- 13. 产品详情 (detail.html) --- */
    .pd-container {
        padding: 30px 15px;
    }
    .pd-section-header {
        gap: 14px;
    }
    .pd-section-title {
        font-size: 22px;
    }
    .pd-section-num {
        font-size: 36px;
    }
    .pd-section-row {
        flex-direction: column !important;
        gap: 16px;
    }
    .pd-section-row .pd-images,
    .pd-section-row .pd-body {
        flex: none;
        width: 100%;
    }
    .pd-img-wide .pd-img {
        height: 220px;
    }

    /* --- 14. QA 常见问题 --- */
    .qa-header {
        padding: 50px 0 40px;
    }
    .qa-header-content h1 {
        font-size: 28px;
    }
    .qa-question {
        padding: 14px 16px;
        gap: 10px;
    }
    .qa-title {
        font-size: 14px;
    }
    .qa-num {
        width: 26px;
        height: 26px;
        font-size: 11px;
    }
    .qa-answer-inner {
        padding: 4px 16px 16px 42px;
        font-size: 14px;
    }
    .qa-search-input {
        height: 46px;
        font-size: 14px;
    }

    /* --- 15. 联系我们面板 --- */
    .contact-section .row {
        display: block;
    }
    .contact-section .row > [class*="col-"] {
        display: block;
        float: none;
        padding-left: 8px !important;
        padding-right: 8px !important;
    }
    .contact-section .row > [class*="col-"] + [class*="col-"] {
        margin-top: 20px;
    }
    .contact-panel-header {
        padding: 24px 20px;
    }
    .contact-panel-body {
        padding: 20px;
    }
    .contact-panel-qr {
        padding: 20px;
    }
    .demand-form {
        padding: 24px 20px;
    }
    .demand-row-3 {
        grid-template-columns: 1fr;
    }

    /* --- 16. 页面标题 / 面包屑 --- */
    .page-header-section {
        padding: 20px 0 16px;
    }
    .page-header-section h1 {
        font-size: 22px;
    }
    .breadcrumb-bar {
        padding: 10px 0;
    }

    /* --- 17. 分页 --- */
    .pagination-wrap .pagination > li > a {
        padding: 6px 10px;
        font-size: 13px;
    }

    /* --- 18. 页脚 --- */
    .footer-main {
        flex-direction: column;
        gap: 20px;
    }
    .footer-left {
        padding-right: 0;
    }
    .footer-right {
        flex-wrap: wrap;
        gap: 16px;
    }
    .footer-phone-num {
        font-size: 20px;
    }
    .footer-qr img {
        width: 80px;
        height: 80px;
    }
}

/* ===== 宽屏适配：1400px 以上屏幕扩大 container 宽度减少两侧空白 ===== */
@media (min-width: 1400px) {
    .container {
        width: 1320px;
    }
}

@media (min-width: 1700px) {
    .container {
        width: 1580px;
    }
}

/* ===== 扩展栅格系统：大屏更多列，小屏更少列 ===== */

/* -- col-xl-* 断点 1200-1399px -- */
@media (min-width: 1200px) and (max-width: 1399px) {
    .col-xl-3 { width: 25%; float: left; }
    .col-xl-4 { width: 33.33333%; float: left; }
}

/* -- col-xxl-* 断点 1400px+ -- */
@media (min-width: 1400px) {
    .col-xxl-3 { width: 25%; float: left; }
    .col-xxl-4 { width: 33.33333%; float: left; }
    .col-xxl-2 { width: 16.66667%; float: left; }
}

/* 新版 col 需要配合 flex 容器取消浮动（用于 product-grid / case-row 等 flex 容器） */
.product-grid > [class*="col-xl-"],
.product-grid > [class*="col-xxl-"],
.case-row > [class*="col-xl-"],
.case-row > [class*="col-xxl-"],
.hot-prod-row > [class*="col-xl-"],
.hot-prod-row > [class*="col-xxl-"],
.news-row > [class*="col-xl-"],
.news-row > [class*="col-xxl-"] {
    float: none;
    display: flex;
}

/* ===== 联系页地图 ===== */
.contact-map {
    margin-top: 40px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.contact-map iframe {
    display: block;
}