/* ============================================================
   配色方案：#0a1a2f（主色）+ #0066cc（强调）
   文件：style.css（精简版）
   存放路径：/css/style.css
   说明：基于全站15个页面实际使用的类名生成，已合并重复定义
   ============================================================ */

:root {
    --primary: #0a1a2f;
    --primary-dark: #050e1a;
    --primary-light: #14345c;
    --accent: #0066cc;
    --accent-hover: #0052a8;
    --accent-glow: rgba(0, 102, 204, 0.2);
    --bg-body: #f5f7fc;
    --bg-card: #ffffff;
    --text-primary: #1a2a3a;
    --text-secondary: #4a5a6a;
    --text-light: #8a9aaa;
    --border-light: #e2e8f0;
    --shadow-card: 0 4px 16px rgba(10, 26, 47, 0.06);
    --shadow-hover: 0 16px 40px rgba(10, 26, 47, 0.12);
    --radius: 12px;
    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--accent);
    text-decoration: none;
    transition: 0.2s;
}
a:hover {
    color: var(--accent-hover);
}
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul {
    list-style: none;
}

/* ===== 顶部栏 ===== */
.topbar {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.topbar a {
    color: rgba(255, 255, 255, 0.5);
}
.topbar a:hover {
    color: var(--accent);
}

/* ===== 头部 ===== */
/* ===== 固定容器（头部+导航整体固定） ===== */
#sticky-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #ffffff;
}

/* ===== 头部 ===== */
.header {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    transition: box-shadow 0.3s;
}
.header.scrolled {
    box-shadow: 0 4px 24px rgba(10, 26, 47, 0.06);
}
.header.scrolled {
    box-shadow: 0 4px 24px rgba(10, 26, 47, 0.06);
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.logo-box {
    display: flex;
    align-items: center;
    gap: 14px;
}
.logo-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -1px;
}
.logo-text .logo-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
}
.logo-text .logo-title span {
    color: var(--accent);
}
.logo-text .sub {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.header-contact .phone {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
}
.header-contact .phone a {
    color: var(--primary);
}
.header-contact .phone a:hover {
    color: var(--accent);
}
.header-contact .label {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: right;
}

/* ===== 导航 ===== */
.nav-main {
    background: var(--primary);
    border-bottom: 3px solid var(--accent);
    position: relative;
    z-index: 100;
}
.nav-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-main .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
.nav-main .nav>li {
    position: relative;
}
.nav-main .nav>li>a {
    display: block;
    padding: 14px 24px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 15px;
    border-bottom: 3px solid transparent;
    transition: 0.2s;
}
.nav-main .nav>li>a:hover,
.nav-main .nav>li>a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    border-bottom-color: var(--accent);
}
.nav-main .nav>li>a .caret {
    display: inline-block;
    margin-left: 4px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid rgba(255, 255, 255, 0.6);
    vertical-align: middle;
}
.nav-main .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 20px 40px rgba(10, 26, 47, 0.15);
    padding: 8px 0;
    border-top: 3px solid var(--accent);
    z-index: 999;
}
.nav-main .dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 400;
    transition: 0.15s;
    border-left: 3px solid transparent;
}
.nav-main .dropdown-menu li a:hover {
    background: var(--bg-body);
    color: var(--accent);
    border-left-color: var(--accent);
}
.nav-main .dropdown-menu .divider {
    height: 1px;
    background: var(--border-light);
    margin: 6px 0;
}
.nav-main .dropdown-submenu {
    position: relative;
}
.nav-main .dropdown-submenu>.dropdown-menu {
    top: 0;
    left: 100%;
    border-radius: 0 8px 8px 8px;
    min-width: 200px;
}
.nav-main .dropdown-submenu:hover>.dropdown-menu {
    display: block;
}
.nav-main .dropdown:hover>.dropdown-menu {
    display: block;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: 8px 12px;
}

/* ===== HERO ===== */
.hero {
    background: var(--primary);
    background-image: radial-gradient(circle at 20% 30%, #14345c 0%, #050e1a 100%);
    padding: 70px 0 80px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    z-index: 0;
}
.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero-left .hero-title {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 6px;
}
.hero-title .highlight {
    color: #6db3ff;
}
.hero-left .hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 18px;
}
.hero-left .hero-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 18px;
}
.hero-left .hero-desc strong {
    color: #fff;
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.hero-badges .badge {
    border: 1px solid rgba(0, 102, 204, 0.25);
    background: rgba(0, 102, 204, 0.06);
    padding: 5px 18px;
    border-radius: 40px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
}
.hero-badges .badge:hover {
    background: rgba(0, 102, 204, 0.12);
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #0066cc, #004a99);
    color: #fff;
    padding: 14px 40px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 8px 28px rgba(0, 102, 204, 0.3);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(0, 102, 204, 0.45);
    background: linear-gradient(135deg, #1a7ad4, #0055aa);
    color: #fff;
}
.hero-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 32px;
}
.hero-stat {
    text-align: center;
    padding: 16px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
}
.hero-stat .num {
    font-size: 40px;
    font-weight: 800;
    color: #6db3ff;
    line-height: 1;
    transition: all 0.3s;
}
.hero-stat .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== 信任标签 ===== */
.trust-bar {
    padding: 30px 0;
    background: #fff;
    border-bottom: 1px solid var(--border-light);
}
.trust-bar .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px 50px;
}
.trust-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px 40px;
    padding: 10px 0 8px;
    width: 100%;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #64748b;
    font-weight: 400;
    letter-spacing: 0.3px;
}
.trust-item .icon {
    font-size: 24px;
}
.trust-item strong {
    color: #0a1a2f;
    font-weight: 600;
}
.trust-item .highlight-time {
    color: #0a1a2f;
    font-weight: 600;
}
.trust-standards {
    font-size: 12px;
    color: #94a3b8;
    text-align: center;
    padding: 8px 0 6px;
    line-height: 1.6;
    border-top: 1px solid #e9edf2;
    letter-spacing: 0.2px;
    width: 100%;
}

/* ===== 关于久安 ===== */
.about-factory {
    padding: 40px 0;
    background: #fff;
}
.about-factory .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 27px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 板块标题 */
.about-factory-title {
    text-align: center;
}
.about-factory-title h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}
.about-factory-title h2 span {
    color: var(--accent);
}

/* 上半部分：左3厂区图 + 右7文字 */
 .about-factory-top {
    display: grid;
    grid-template-columns: 30% 70%;
    gap: 30px;
    align-items: stretch;
}


/* 左侧厂区图 */
.about-factory-left {
    border-radius: 12px;
    overflow: hidden;
    background: #e9edf2;
    aspect-ratio: 3 / 4;
}
.about-factory-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
.about-factory-left img:hover {
    transform: scale(1.02);
}

/* 右侧文字区 */
.about-factory-right {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.about-factory-right h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 8px;
}
.about-factory-right h2 span {
    color: var(--accent);
}
.about-factory-right p {
    color: var(--text-primary);
    font-size: 15px;
    margin: 0 0 12px;
    line-height: 1.7;
}
.about-factory-right .cert-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 4px 0 0;
}
.about-factory-right .cert-list span {
    background: var(--bg-body);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    border: 1px solid var(--border-light);
}
.tech-team {
    margin-top: 4px;
    padding: 16px 20px;
    background: var(--bg-body);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
}
.tech-team h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}
.tech-team p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.7;
}

/* 下半部分：车间实景展示 */
.about-factory-bottom {
    width: 100%;
}
.about-factory-gallery-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    text-align: center;
}
.about-factory-gallery {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    width: 100%;
}
.factory-gallery-item {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 8px;
    background: #e9edf2;
}
.factory-gallery-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.factory-gallery-item img:hover {
    transform: scale(1.05);
}

/* 平板端适配 */
@media (max-width: 992px) {
    .about-factory-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .about-factory-left {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    .about-factory-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 手机端适配 */
@media (max-width: 768px) {
    .about-factory .container {
        padding: 0 16px;
    }
    .about-factory-title h2 {
        font-size: 26px;
    }
    .about-factory-right h2 {
        font-size: 22px;
    }
    .about-factory-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .factory-gallery-item {
        border-radius: 6px;
    }
}

/* ===== 精品爆款推荐 ===== */
.hot-products {
    padding: 80px 0;
    background: var(--bg-body);
}
.section-head {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}
.section-head .tag {
    display: inline-block;
    background: rgba(0, 102, 204, 0.10);
    color: var(--accent);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 2px;
    padding: 4px 18px;
    border-radius: 40px;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-head h2 {
    font-size: 38px;
    font-weight: 700;
    color: var(--primary);
}
.section-head h2 span {
    color: var(--accent);
}
.section-head p {
    color: var(--text-secondary);
    font-size: 17px;
    margin-top: 10px;
}
.product-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 20px;
    margin-bottom: 40px;
    align-items: stretch;
}
.product-row:last-child {
    margin-bottom: 0;
}
.product-row .category-label {
    position: relative;
    background: #0a1a2f;
    color: #fff;
    border-radius: var(--radius);
    padding: 32px 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-left: 4px solid var(--accent);
    min-height: 100%;
    height: 100%;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}
.product-row .category-label::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 26, 47, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 0;
}
.product-row .category-label .icon,
.product-row .category-label .name,
.product-row .category-label .sub,
.product-row .category-label .view-more-link {
    position: relative;
    z-index: 1;
}
.product-row .category-label .category-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.product-row .category-label .icon {
    font-size: 34px;
    display: block;
    margin-bottom: 6px;
}
.product-row .category-label .name {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 1px;
}
.product-row .category-label .sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}
.product-row .category-label .count {
    font-size: 11px;
    color: var(--accent);
    margin-top: 6px;
    font-weight: 500;
    position: relative;
    z-index: 1;
}
.product-row .category-label .view-more-link {
    margin-top: 10px;
    padding: 4px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.08);
}
.product-row .category-label .view-more-link:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
    transform: translateY(-1px);
}
.product-row .products-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.product-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px 14px 18px;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: var(--shadow-hover);
}
.product-card .img-box {
    width: 100%;
    height: 160px;
    background: var(--bg-body);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 3/3;
    height: auto;
}
.product-card .img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.product-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 2px;
}
.product-card h3 a {
    color: var(--text-primary);
}
.product-card h3 a:hover {
    color: var(--accent);
}
.product-card .spec {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}
.product-card .slogan {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 8px;
    min-height: 34px;
    flex: 1;
}
.product-card .btn-sm {
    display: inline-block;
    padding: 3px 14px;
    border: 1px solid var(--accent);
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    transition: 0.2s;
    align-self: center;
}
.product-card .btn-sm:hover {
    background: var(--accent);
    color: #fff;
}

/* ===== 资质荣誉（首页） ===== */
.honors-section {
    padding: 60px 0;
    background: #fff;
}
.honors-section .honors-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.honors-section .honor-item {
    background: #f8fafc;
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    border: 1px solid #e9edf2;
    transition: all 0.3s;
}
.honors-section .honor-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(10, 26, 47, 0.06);
    border-color: #0056a7;
}
.honors-section .honor-item .icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}
.honors-section .honor-item .hname {
    font-size: 14px;
    font-weight: 600;
    color: #0a1a2f;
}
.honors-section .honor-item .hdesc {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}

/* ===== 四大精工优势 ===== */
.advantages-section {
    padding: 80px 0;
    background: #fff;
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.adv-item {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.adv-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--accent);
}
.adv-item .adv-img {
    height: 200px;
    background: #f1f5f9;
    overflow: hidden;
}
.adv-item .adv-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.adv-item .adv-body {
    padding: 20px 22px 26px;
}
.adv-item .adv-body .icon {
    font-size: 22px;
    display: block;
    margin-bottom: 4px;
}
.adv-item .adv-body h4 {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
}
.adv-item .adv-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 4px;
}

/* ===== 六大工艺检测 ===== */
.process-section {
    padding: 80px 0;
    background: var(--bg-body);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.process-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 28px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border-left: 4px solid var(--accent);
    border: 1px solid var(--border-light);
    border-left-width: 4px;
    transition: all var(--transition);
}
.process-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--accent);
}
.process-item .step {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.3;
    line-height: 1;
    min-width: 44px;
}
.process-item h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
}
.process-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== 工程案例（首页） ===== */
.cases-section {
    padding: 80px 0;
    background: #fff;
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.case-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    border-color: var(--accent);
}
.case-card .case-body {
    padding: 20px 24px 28px;
}
.case-card .tag {
    display: inline-block;
    background: #0066cc;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 14px;
    border-radius: 30px;
    margin-bottom: 8px;
}
.case-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}
.case-card .meta {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 4px 0 10px;
}
.case-card blockquote {
    font-size: 14px;
    color: var(--text-primary);
    font-style: italic;
    border-left: 3px solid var(--accent);
    padding-left: 14px;
    margin: 8px 0;
}
.case-card .source {
    font-size: 13px;
    color: var(--text-secondary);
}
.video-showcase {
    margin-top: 50px;
    padding: 40px;
    background: var(--bg-body);
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border-light);
}
.video-showcase h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}
.video-showcase h3 span {
    color: var(--accent);
}
.video-showcase p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
}
.video-placeholder {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    border: 2px solid var(--accent);
    cursor: pointer;
    transition: all 0.3s;
}
.video-placeholder:hover {
    border-color: #fff;
    box-shadow: 0 0 40px rgba(0, 102, 204, 0.2);
}
.video-placeholder .play-icon {
    font-size: 64px;
    color: var(--accent);
    margin-bottom: 8px;
    transition: color 0.3s;
}
.video-placeholder:hover .play-icon {
    color: #fff;
}
.video-placeholder .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== 一站式服务流程 ===== */
.service-flow {
    padding: 80px 0;
    background: var(--bg-body);
}
.flow-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 10px;
}
.flow-step {
    text-align: center;
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 16px 24px;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    position: relative;
}
.flow-step:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--accent);
}
.flow-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--border-light);
    font-size: 22px;
    font-weight: 300;
}
.flow-step .step-num {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    margin: 0 auto 12px;
    border: 3px solid var(--accent);
}
.flow-step h5 {
    font-weight: 700;
    font-size: 17px;
    color: var(--primary);
}
.flow-step p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 4px;
}

/* ===== 行业技术动态 ===== */
.blog-section {
    padding: 80px 0;
    background: #fff;
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.blog-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 28px;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.blog-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--accent);
}
.blog-card .date {
    font-size: 12px;
    color: var(--text-secondary);
}
.blog-card .author {
    font-size: 12px;
    color: var(--accent);
    font-weight: 500;
    margin-left: 8px;
}
.blog-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 6px 0 8px;
}
.blog-card h4 a {
    color: var(--text-primary);
}
.blog-card h4 a:hover {
    color: var(--accent);
}
.blog-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-section .view-all-wrap,
.faq-section .view-all-wrap,
.latest-articles .view-all-wrap {
    text-align: center;
    margin-top: 32px;
}
.blog-section .view-all-wrap .view-all,
.faq-section .view-all-wrap .view-all,
.latest-articles .view-all-wrap .view-all {
    display: inline-block;
    font-size: 15px;
    font-weight: 600;
    color: #0056a7;
    padding-bottom: 4px;
    border-bottom: 2px solid #0056a7;
    transition: all 0.2s;
}
.blog-section .view-all-wrap .view-all:hover,
.faq-section .view-all-wrap .view-all:hover,
.latest-articles .view-all-wrap .view-all:hover {
    color: #003d73;
    border-bottom-color: #003d73;
}
.blog-section .view-all-wrap .view-all::after,
.faq-section .view-all-wrap .view-all::after,
.latest-articles .view-all-wrap .view-all::after {
    content: " →";
    transition: transform 0.2s;
}
.blog-section .view-all-wrap .view-all:hover::after,
.faq-section .view-all-wrap .view-all:hover::after,
.latest-articles .view-all-wrap .view-all:hover::after {
    transform: translateX(4px);
}

/* ===== 最新文章（列表式） ===== */
.latest-articles {
    padding: 60px 0;
    background: #f8fafc;
}
.latest-articles .articles-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e9edf2;
    overflow: hidden;
}
.latest-articles .article-item {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.2s;
    gap: 20px;
}
.latest-articles .article-item:last-child {
    border-bottom: none;
}
.latest-articles .article-item:hover {
    background: #f8fafc;
}
.latest-articles .article-item .article-left {
    flex-shrink: 0;
    min-width: 100px;
}
.latest-articles .article-item .a-date {
    font-size: 13px;
    color: #94a3b8;
    white-space: nowrap;
}
.latest-articles .article-item .article-mid {
    flex: 1;
    min-width: 0;
}
.latest-articles .article-item .a-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 2px;
}
.latest-articles .article-item .a-title a {
    color: #0a1a2f;
}
.latest-articles .article-item .a-title a:hover {
    color: #0056a7;
}
.latest-articles .article-item .a-summary {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.latest-articles .article-item .article-right {
    flex-shrink: 0;
}
.latest-articles .article-item .a-readmore {
    font-size: 14px;
    font-weight: 500;
    color: #0056a7;
    white-space: nowrap;
    transition: color 0.2s;
}
.latest-articles .article-item .a-readmore:hover {
    color: #003d73;
}

/* ===== FAQ ===== */
.faq-section {
    padding: 80px 0;
    background: var(--bg-body);
}
.faq-list {
    max-width: 880px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--border-light);
    padding: 4px 0;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    font-weight: 600;
    font-size: 17px;
    cursor: pointer;
    color: var(--primary);
    user-select: none;
}
.faq-question:hover {
    color: var(--accent);
}
.faq-question .toggle {
    font-size: 26px;
    color: var(--text-light);
    transition: 0.3s;
}
.faq-item.active .faq-question .toggle {
    transform: rotate(45deg);
    color: var(--accent);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    padding: 0;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
}
.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 0 24px 0;
}
.faq-q {
    color: var(--accent);
    font-weight: 700;
    margin-right: 4px;
}
.faq-a {
    color: var(--text-secondary);
    font-weight: 600;
    margin-right: 4px;
}

/* ===== 友情链接 ===== */
.friend-links {
    padding: 24px 0 40px;
    background: var(--bg-body);
    border-top: 1px solid var(--border-light);
}
.friend-links .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 24px;
}
.friend-links .label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}
.friend-links .label span {
    color: var(--accent);
}
.friend-links a {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}
.friend-links a:hover {
    color: var(--accent);
}
.friend-links .sep {
    color: var(--border-light);
}

/* ===== 底部 ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.5);
    padding: 56px 0 20px;
    border-top: 4px solid var(--accent);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}
.footer h4 {
    color: #fff;
    font-weight: 600;
    font-size: 17px;
    margin-bottom: 16px;
}
.footer a {
    color: rgba(255, 255, 255, 0.5);
    line-height: 2.2;
    font-size: 14px;
}
.footer a:hover {
    color: var(--accent);
}
.footer .copy {
    grid-column: 1 / -1;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 24px;
}
.footer .copy .icp a {
    color: rgba(255, 255, 255, 0.35);
}
.footer .copy .icp a:hover {
    color: var(--accent);
}

/* ===== 悬浮按钮 ===== */
.floating-cta {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
}
.floating-cta .btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: #fff;
    padding: 14px 28px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 8px 24px rgba(10, 26, 47, 0.3);
    transition: 0.3s;
    border: none;
    cursor: pointer;
}
.floating-cta .btn:hover {
    transform: scale(1.05);
    background: var(--primary-dark);
    color: #fff;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
    padding: 16px 0;
    background: #f8fafc;
    font-size: 14px;
    color: #64748b;
    border-bottom: 1px solid #e9edf2;
}
.breadcrumb a {
    color: #0056a7;
}
.breadcrumb a:hover {
    color: #003d73;
}
.breadcrumb .sep {
    margin: 0 10px;
    color: #cbd5e1;
    font-weight: 300;
}
.sep-arrow {
    margin: 0 10px;
    color: #94a3b8;
    font-size: 12px;
}

/* ============================================================
   品类头部（产品列表页）
   ============================================================ */
.category-header {
    padding: 50px 0 40px;
    background: #f1f5f9;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 0;
}
.category-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 12px;
}
.category-header h1 span {
    color: #0056a7;
}
.category-header .definition {
    font-size: 15px;
    color: #334155;
    line-height: 1.8;
    max-width: 100%;
    background: #ffffff;
    padding: 18px 24px;
    border-radius: 8px;
    border-left: 4px solid #0056a7;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.category-header .definition strong {
    color: #0a1a2f;
    font-weight: 700;
}
.category-header .definition .highlight {
    color: #0056a7;
    font-weight: 600;
}

/* ============================================================
   产品列表主区域
   ============================================================ */
.product-list-main {
    padding: 40px 0 60px;
    background: #f8fafc;
}
.plp-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 30px;
    align-items: start;
}
.plp-sidebar {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e9edf2;
    padding: 20px 0;
    position: sticky;
    top: 80px;
}
.sidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: #0a1a2f;
    padding: 0 20px 12px 20px;
    border-bottom: 1px solid #e9edf2;
}
.sidebar-title span {
    color: #0056a7;
}
.plp-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.plp-sidebar ul li {
    border-bottom: 1px solid #f8fafc;
}
.plp-sidebar ul li:last-child {
    border-bottom: none;
}
.plp-sidebar ul li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #475569;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.plp-sidebar ul li a:hover {
    background: #f1f5f9;
    color: #0056a7;
    border-left-color: #0056a7;
}
.plp-sidebar ul li a.active {
    background: #f1f5f9;
    color: #0056a7;
    font-weight: 600;
    border-left-color: #0056a7;
}
.plp-sidebar ul li a .count {
    float: right;
    color: #94a3b8;
    font-size: 12px;
    font-weight: 400;
}
.plp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.plp-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px 20px 24px;
    border: 1px solid #e9edf2;
    transition: box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}
.plp-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.plp-card .plp-img {
    width: 100%;
    height: 180px;
    background: #f1f5f9;
    border-radius: 6px;
    margin-bottom: 14px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #94a3b8;
}
.plp-card .plp-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 2px;
}
.plp-card .plp-title a {
    color: #0a1a2f;
}
.plp-card .plp-title a:hover {
    color: #0056a7;
}
.plp-card .plp-model {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 10px;
}
.plp-card .plp-params {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 13px;
    color: #334155;
    margin-bottom: 10px;
    padding: 10px 0;
    border-top: 1px solid #f1f5f9;
    border-bottom: 1px solid #f1f5f9;
}
.plp-card .plp-params .param-item {
    display: flex;
    align-items: center;
    gap: 4px;
}
.plp-card .plp-params .param-item .label {
    color: #94a3b8;
}
.plp-card .plp-params .param-item .value {
    font-weight: 500;
    color: #0a1a2f;
}
.plp-card .plp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}
.plp-card .plp-tags .tag {
    background: #f1f5f9;
    color: #475569;
    font-size: 12px;
    padding: 2px 12px;
    border-radius: 20px;
}
.plp-card .plp-link {
    margin-top: auto;
    font-size: 14px;
    font-weight: 500;
    color: #0056a7;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.plp-card .plp-link:hover {
    color: #003d73;
}
.plp-card .plp-link::after {
    content: "→";
    transition: transform 0.2s;
}
.plp-card .plp-link:hover::after {
    transform: translateX(4px);
}
.pagination {
    text-align: center;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.pagination a,
.pagination span {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid #e9edf2;
    border-radius: 4px;
    font-size: 14px;
    color: #475569;
    background: #fff;
    transition: 0.2s;
    min-width: 40px;
    text-align: center;
}
.pagination a:hover {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}
.pagination .active {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}

/* ============================================================
   底部选型补充区
   ============================================================ */
.tech-supplement {
    padding: 40px 0 20px;
    background: #fff;
    border-top: 1px solid #e9edf2;
}
.tech-supplement .sup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.tech-supplement h3 {
    font-size: 18px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 12px;
}
.tech-supplement h3 span {
    color: #0056a7;
}
.tech-supplement ul {
    list-style: none;
    padding: 0;
}
.tech-supplement ul li {
    padding: 6px 0;
    font-size: 14px;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}
.tech-supplement ul li:last-child {
    border-bottom: none;
}
.tech-supplement ul li a {
    color: #0056a7;
}
.tech-supplement ul li a:hover {
    color: #003d73;
}
.tech-supplement .faq-mini .q-item {
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9;
}
.tech-supplement .faq-mini .q-item:last-child {
    border-bottom: none;
}
.tech-supplement .faq-mini .q-item .q {
    font-weight: 600;
    font-size: 14px;
    color: #0a1a2f;
}
.tech-supplement .faq-mini .q-item .q::before {
    content: "Q: ";
    color: #0056a7;
}
.tech-supplement .faq-mini .q-item .a {
    font-size: 14px;
    color: #64748b;
    padding-left: 24px;
}
.tech-supplement .faq-mini .q-item .a::before {
    content: "A: ";
    color: #94a3b8;
}

/* ============================================================
   产品详情页
   ============================================================ */
.product-detail {
    padding: 40px 0 60px;
    background: #fff;
}
.product-detail .detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}
.detail-gallery {
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e9edf2;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    position: relative;
}
.detail-gallery .main-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #f8fafc;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.detail-gallery .main-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}
.detail-gallery .main-img .placeholder {
    font-size: 80px;
    color: #94a3b8;
}
.detail-gallery .zoom-hint {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s;
}
.detail-gallery:hover .zoom-hint {
    opacity: 1;
}
.detail-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.detail-info .product-name {
    font-size: 28px;
    font-weight: 700;
    color: #0a1a2f;
    line-height: 2.3;
}
.detail-info .product-name span {
    color: #0056a7;
}
.detail-info .desc-short {
    font-size: 15px;
    color: #475569;
    line-height: 0.8;
    padding: 12px 0;
    border-top: 1px solid #e9edf2;
}
.detail-info .product-definition {
    font-size: 15px;
    color: #475569;
    line-height: 1.8;
    padding: 7px 20px;
    background: #f1f5f9;
    border-radius: 6px;
    border-left: 4px solid #0056a7;
}
.detail-info .product-definition strong {
    color: #0a1a2f;
}
.detail-info .product-model {
    font-size: 15px;
    color: #64748b;
    padding-bottom: 12px;
    border-bottom: 1px solid #e9edf2;
}
.detail-info .tags-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0;
}
.detail-info .tags-wrap .tag {
    background: #f1f5f9;
    color: #475569;
    font-size: 13px;
    padding: 4px 16px;
    border-radius: 20px;
}
.detail-info .params-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 20px;
    padding: 10px 0;
    border-top: 1px solid #e9edf2;
    border-bottom: 1px solid #e9edf2;
}
.detail-info .params-compact .p-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 3px 0;
    color: #475569;
}
.detail-info .params-compact .p-item .p-label {
    color: #94a3b8;
}
.detail-info .params-compact .p-item .p-value {
    font-weight: 500;
    color: #0a1a2f;
}
.detail-info .cta-group {
    display: flex;
    gap: 16px;
    margin-top: 4px;
    flex-wrap: wrap;
}
.detail-info .cta-group .btn-consult {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #0056a7;
    color: #fff;
    padding: 14px 40px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 16px;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}
.detail-info .cta-group .btn-consult:hover {
    background: #003d73;
    color: #fff;
}
.detail-info .cta-group .btn-params {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: #0056a7;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 16px;
    border: 1px solid #0056a7;
    transition: all 0.2s;
    cursor: pointer;
}
.detail-info .cta-group .btn-params:hover {
    background: #f1f5f9;
    color: #003d73;
}

/* ============================================================
   产品目录导航
   ============================================================ */
.product-toc {
    padding: 20px 0 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e9edf2;
}
.product-toc .toc-inner {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 6px 20px;
    align-items: center;
}
.product-toc .toc-label {
    font-size: 22px;
    font-weight: 700;
    color: #0a1a2f;    
    align-self: center;
    white-space: nowrap;
}
.product-toc .toc-label span {
    color: #0056a7;
}
.product-toc .toc-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px 16px;
    grid-column: 2 / 3;
}
.product-toc .toc-items .toc-item {
    font-size: 14px;
    color: #475569;
    padding: 4px 0;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.product-toc .toc-items .toc-item:hover {
    color: #0056a7;
}
.product-toc .toc-items .toc-item.active {
    color: #0056a7;
    font-weight: 600;
    border-bottom-color: #0056a7;
}
.product-toc .toc-items .toc-item:nth-child(n+5) {
    grid-row: 2;
}

/* ============================================================
   产品详情描述
   ============================================================ */
.detail-description {
    padding: 40px 0 20px;
    background: #fff;
}
.detail-description .desc-title {
    font-size: 22px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #0056a7;
}
.detail-description .desc-title span {
    color: #0056a7;
}
.detail-description .desc-content {
    font-size: 16px;
    color: #334155;
    line-height: 2;
}
.detail-description .desc-content h2 {
    font-size: 19px;
    font-weight: 700;
    color: #0a1a2f;
    margin: 24px 0 12px;
}
.detail-description .desc-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: #0a1a2f;
    margin: 18px 0 10px;
}
.detail-description .desc-content img {
    max-width: 100%;
    height: auto;
    margin: 16px 0;
    border-radius: 8px;
}
.detail-description .desc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}
.detail-description .desc-content table th,
.detail-description .desc-content table td {
    border: 1px solid #e9edf2;
    padding: 10px 16px;
    text-align: left;
}
.detail-description .desc-content table th {
    background: #f1f5f9;
    font-weight: 600;
    color: #0a1a2f;
}
.detail-description .desc-content ul,
.detail-description .desc-content ol {
    padding-left: 24px;
    margin: 12px 0;
}
.detail-description .desc-content ul li,
.detail-description .desc-content ol li {
    margin-bottom: 6px;
}

/* ============================================================
   产品FAQ
   ============================================================ */
.product-faq {
    padding: 40px 0 20px;
    background: #f8fafc;
}
.product-faq .container {
    max-width: 900px;
}
.product-faq .faq-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.product-faq .faq-item {
    background: #fff;
    border: 1px solid #e9edf2;
    border-radius: 8px;
    overflow: hidden;
}
.product-faq .faq-item .faq-q {
    padding: 16px 20px;
    font-weight: 600;
    font-size: 15px;
    color: #0a1a2f;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
    user-select: none;
}
.product-faq .faq-item .faq-q:hover {
    background: #f8fafc;
}
.product-faq .faq-item .faq-q .toggle {
    font-size: 22px;
    color: #94a3b8;
    transition: transform 0.3s;
}
.product-faq .faq-item.active .faq-q .toggle {
    transform: rotate(45deg);
    color: #0056a7;
}
.product-faq .faq-item .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    padding: 0 20px;
    color: #475569;
    font-size: 15px;
    line-height: 1.8;
}
.product-faq .faq-item.active .faq-a {
    max-height: 300px;
    padding: 0 20px 20px;
}

/* ============================================================
   大家还在问
   ============================================================ */
.also-ask {
    padding: 20px 0 40px;
    background: #f8fafc;
}
.also-ask .container {
    max-width: 900px;
}
.also-ask .ask-title {
    font-size: 18px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 12px;
}
.also-ask .ask-title span {
    color: #0056a7;
}
.also-ask .ask-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.also-ask .ask-tags a {
    display: inline-block;
    padding: 6px 18px;
    background: #fff;
    border: 1px solid #e9edf2;
    border-radius: 30px;
    font-size: 14px;
    color: #475569;
    transition: all 0.2s;
}
.also-ask .ask-tags a:hover {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}

/* ============================================================
   上一篇/下一篇
   ============================================================ */
.detail-pn {
    padding: 30px 0;
    background: #fff;
    border-top: 1px solid #e9edf2;
    border-bottom: 1px solid #e9edf2;
}
.detail-pn .pn-wrap {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 900px;
    margin: 0 auto;
}
.detail-pn .pn-wrap a {
    font-size: 15px;
    color: #475569;
    transition: color 0.2s;
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.detail-pn .pn-wrap a:hover {
    color: #0056a7;
}
.detail-pn .pn-wrap .pn-label {
    color: #94a3b8;
    font-weight: 400;
}

/* ============================================================
   相关产品推荐
   ============================================================ */
.related-products {
    padding: 60px 0;
    background: #f8fafc;
}
.related-products .section-title {
    text-align: center;
    margin-bottom: 40px;
}
.related-products .section-title h2 {
    font-size: 28px;
    font-weight: 700;
    color: #0a1a2f;
}
.related-products .section-title h2 span {
    color: #0056a7;
}
.related-products .section-title p {
    color: #64748b;
    font-size: 15px;
    margin-top: 6px;
}
.related-products .related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-products .related-card {
    background: #fff;
    border-radius: 8px;
    padding: 16px 16px 20px;
    border: 1px solid #e9edf2;
    text-align: center;
    transition: box-shadow 0.2s;
}
.related-products .related-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.related-products .related-card .r-img {
    width: 100%;
    height: 140px;
    background: #f8fafc;
    border-radius: 4px;
    margin-bottom: 12px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.related-products .related-card .r-title {
    font-size: 15px;
    font-weight: 600;
    color: #0a1a2f;
}
.related-products .related-card .r-title a {
    color: #0a1a2f;
}
.related-products .related-card .r-title a:hover {
    color: #0056a7;
}
.related-products .related-card .r-link {
    font-size: 13px;
    color: #0056a7;
    margin-top: 8px;
    display: inline-block;
}
.related-products .related-card .r-link:hover {
    color: #003d73;
}

/* ============================================================
   粘性咨询栏
   ============================================================ */
.sticky-consult {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 12px 20px;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
    z-index: 999;
    border-top: 3px solid #0056a7;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.sticky-consult.show {
    display: flex;
}
.sticky-consult .sticky-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.sticky-consult .sticky-info .name {
    font-weight: 600;
    color: #0a1a2f;
    font-size: 16px;
}
.sticky-consult .sticky-info .phone {
    font-size: 20px;
    font-weight: 700;
    color: #0056a7;
}
.sticky-consult .sticky-info .phone a {
    color: #0056a7;
}
.sticky-consult .sticky-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0056a7;
    color: #fff;
    padding: 10px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 15px;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}
.sticky-consult .sticky-btn:hover {
    background: #003d73;
    color: #fff;
}

/* ============================================================
   文章列表页
   ============================================================ */
.article-list-main {
    padding: 40px 0 60px;
    background: #f8fafc;
}
.article-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 30px;
    align-items: start;
}
.article-sidebar {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e9edf2;
    padding: 20px 0;
    position: sticky;
    top: 80px;
}
.article-sidebar .sidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: #0a1a2f;
    padding: 0 20px 12px 20px;
    border-bottom: 1px solid #e9edf2;
}
.article-sidebar .sidebar-title span {
    color: #0056a7;
}
.article-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.article-sidebar ul li {
    border-bottom: 1px solid #f8fafc;
}
.article-sidebar ul li:last-child {
    border-bottom: none;
}
.article-sidebar ul li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #475569;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.article-sidebar ul li a:hover {
    background: #f1f5f9;
    color: #0056a7;
    border-left-color: #0056a7;
}
.article-sidebar ul li a.active {
    background: #f1f5f9;
    color: #0056a7;
    font-weight: 600;
    border-left-color: #0056a7;
}
.article-sidebar ul li a .count {
    float: right;
    color: #94a3b8;
    font-size: 12px;
    font-weight: 400;
}
.article-list-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.article-item {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e9edf2;
    padding: 20px 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: box-shadow 0.2s;
}
.article-item:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.article-item .article-img {
    flex-shrink: 0;
    width: 200px;
    height: 140px;
    background: #f1f5f9;
    border-radius: 6px;
    overflow: hidden;
}
.article-item .article-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.article-item .article-img .no-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #94a3b8;
    background: #f1f5f9;
}
.article-item .article-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.article-item .article-body .article-title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
}
.article-item .article-body .article-title a {
    color: #0a1a2f;
}
.article-item .article-body .article-title a:hover {
    color: #0056a7;
}
.article-item .article-body .article-meta {
    font-size: 13px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.article-item .article-body .article-meta .cat-link {
    color: #0056a7;
    font-weight: 500;
}
.article-item .article-body .article-meta .cat-link:hover {
    color: #003d73;
}
.article-item .article-body .article-summary {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-item .article-body .article-readmore {
    font-size: 14px;
    font-weight: 500;
    color: #0056a7;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.article-item .article-body .article-readmore:hover {
    color: #003d73;
}
.article-item .article-body .article-readmore::after {
    content: "→";
    transition: transform 0.2s;
}
.article-item .article-body .article-readmore:hover::after {
    transform: translateX(4px);
}
.article-pagination {
    text-align: center;
    margin-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.article-pagination a,
.article-pagination span {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid #e9edf2;
    border-radius: 4px;
    font-size: 14px;
    color: #475569;
    background: #fff;
    transition: 0.2s;
    min-width: 40px;
    text-align: center;
}
.article-pagination a:hover {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}
.article-pagination .active {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}
.article-recommend {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 2px solid #e9edf2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.article-recommend .rec-block .rec-title {
    font-size: 17px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.article-recommend .rec-block .rec-title span {
    color: #0056a7;
}
.article-recommend .rec-block .rec-title .icon {
    font-size: 20px;
}
.article-recommend .rec-block .rec-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.article-recommend .rec-block .rec-list .rec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e9edf2;
    transition: all 0.2s;
}
.article-recommend .rec-block .rec-list .rec-item:hover {
    border-color: #0056a7;
    box-shadow: 0 2px 8px rgba(0,86,167,0.06);
}
.article-recommend .rec-block .rec-list .rec-item .rec-link {
    font-size: 14px;
    color: #0a1a2f;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-recommend .rec-block .rec-list .rec-item .rec-link:hover {
    color: #0056a7;
}
.article-recommend .rec-block .rec-list .rec-item .rec-meta {
    font-size: 12px;
    color: #94a3b8;
    flex-shrink: 0;
    margin-left: 12px;
}

/* ============================================================
   文章品类头部
   ============================================================ */
.article-category-header {
    padding: 30px 0 24px;
    background: #fff;
    border-bottom: 1px solid #e9edf2;
}
.article-category-header h1 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 8px;
}
.article-category-header h1 span {
    color: #0056a7;
}
.article-category-header .definition {
    font-size: 15px;
    color: #475569;
    line-height: 1.8;
}
.article-category-header .definition strong {
    color: #0a1a2f;
}

/* ============================================================
   文章详情页
   ============================================================ */
.article-detail-main {
    padding: 40px 0 60px;
    background: #f8fafc;
}
.article-detail-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 30px;
    align-items: start;
}
.article-detail-content {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e9edf2;
    padding: 36px 40px 32px;
}
.article-detail-content .article-title {
    font-size: 28px;
    font-weight: 700;
    color: #0a1a2f;
    line-height: 1.3;
    margin-bottom: 12px;
}
.article-detail-content .article-meta {
    font-size: 14px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-bottom: 16px;
    border-bottom: 1px solid #e9edf2;
    margin-bottom: 24px;
}
.article-detail-content .article-meta .cat-link {
    color: #0056a7;
    font-weight: 500;
}
.article-detail-content .article-meta .cat-link:hover {
    color: #003d73;
}
.article-definition {
    padding: 14px 20px;
    background: #f1f5f9;
    border-radius: 6px;
    border-left: 4px solid #0056a7;
    margin-bottom: 20px;
    font-size: 15px;
    color: #475569;
    line-height: 1.8;
}
.article-definition strong {
    color: #0a1a2f;
}
.article-definition .def-label {
    color: #0056a7;
    font-weight: 700;
    margin-right: 4px;
}
.article-detail-content .article-body {
    font-size: 16px;
    color: #334155;
    line-height: 2;
}
.article-detail-content .article-body h2 {
    font-size: 20px;
    font-weight: 700;
    color: #0a1a2f;
    margin: 28px 0 14px;
}
.article-detail-content .article-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #0a1a2f;
    margin: 22px 0 12px;
}
.article-detail-content .article-body img {
    max-width: 100%;
    height: auto;
    margin: 16px 0;
    border-radius: 8px;
}
.article-detail-content .article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}
.article-detail-content .article-body table th,
.article-detail-content .article-body table td {
    border: 1px solid #e9edf2;
    padding: 10px 16px;
    text-align: left;
}
.article-detail-content .article-body table th {
    background: #f1f5f9;
    font-weight: 600;
    color: #0a1a2f;
}
.article-detail-content .article-body ul,
.article-detail-content .article-body ol {
    padding-left: 24px;
    margin: 12px 0;
}
.article-detail-content .article-body ul li,
.article-detail-content .article-body ol li {
    margin-bottom: 6px;
}
.article-detail-pn {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 0 16px;
    border-top: 1px solid #e9edf2;
    margin-top: 28px;
}
.article-detail-pn a {
    font-size: 15px;
    color: #475569;
    transition: color 0.2s;
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-detail-pn a:hover {
    color: #0056a7;
}
.article-detail-pn .pn-label {
    color: #94a3b8;
    font-weight: 400;
}

/* ============================================================
   关于我们页
   ============================================================ */
.about-header {
    padding: 50px 0 40px;
    background: #fff;
    border-bottom: 1px solid #e9edf2;
}
.about-header .about-headline h1 {
    font-size: 36px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 12px;
}
.about-header .about-headline h1 span {
    color: #0056a7;
}
.about-header .about-headline .definition {
    font-size: 16px;
    color: #475569;
    line-height: 1.9;
    max-width: 820px;
}
.about-header .about-headline .definition strong {
    color: #0a1a2f;
}
.about-header .about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #e9edf2;
}
.about-header .about-stats .stat-item {
    text-align: center;
}
.about-header .about-stats .stat-item .num {
    font-size: 32px;
    font-weight: 800;
    color: #0056a7;
    line-height: 1.2;
}
.about-header .about-stats .stat-item .label {
    font-size: 14px;
    color: #94a3b8;
    margin-top: 4px;
}
.about-intro {
    padding: 60px 0;
    background: #f8fafc;
}
.about-intro .intro-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-intro .intro-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 16px;
}
.about-intro .intro-text h2 span {
    color: #0056a7;
}
.about-intro .intro-text p {
    font-size: 15px;
    color: #475569;
    line-height: 1.9;
    margin-bottom: 14px;
}
.about-intro .intro-text .values {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}
.about-intro .intro-text .values .value-item {
    background: #fff;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    border: 1px solid #e9edf2;
}
.about-intro .intro-text .values .value-item .icon {
    font-size: 28px;
    display: block;
    margin-bottom: 4px;
}
.about-intro .intro-text .values .value-item .vname {
    font-size: 14px;
    font-weight: 600;
    color: #0a1a2f;
}
.about-intro .intro-img {
    border-radius: 12px;
    overflow: hidden;
    background: #e9edf2;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-intro .intro-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-timeline {
    padding: 60px 0;
    background: #fff;
}
.about-timeline .section-title {
    text-align: center;
    margin-bottom: 48px;
}
.about-timeline .section-title h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-timeline .section-title h2 span {
    color: #0056a7;
}
.about-timeline .section-title p {
    color: #94a3b8;
    font-size: 15px;
    margin-top: 6px;
}
.about-timeline .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}
.about-timeline .timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #0056a7;
    border-radius: 2px;
}
.about-timeline .timeline .tl-item {
    position: relative;
    padding: 0 0 32px 28px;
}
.about-timeline .timeline .tl-item:last-child {
    padding-bottom: 0;
}
.about-timeline .timeline .tl-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: #0056a7;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px #0056a7;
}
.about-timeline .timeline .tl-item .tl-year {
    font-size: 18px;
    font-weight: 700;
    color: #0056a7;
}
.about-timeline .timeline .tl-item .tl-title {
    font-size: 20px;
    font-weight: 600;
    color: #0a1a2f;
}
.about-timeline .timeline .tl-item .tl-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-top: 2px;
}
.about-honors {
    padding: 60px 0;
    background: #f8fafc;
}
.about-honors .section-title {
    text-align: center;
    margin-bottom: 40px;
}
.about-honors .section-title h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-honors .section-title h2 span {
    color: #0056a7;
}
.about-honors .plp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.about-honors .honor-item {
    background: #fff;
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    border: 1px solid #e9edf2;
    transition: box-shadow 0.2s;
}
.about-honors .honor-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.about-honors .honor-item .icon {
    font-size: 40px;
    display: block;
    margin-bottom: 8px;
}
.about-honors .honor-item .hname {
    font-size: 14px;
    font-weight: 600;
    color: #0a1a2f;
}
.about-factory-show {
    padding: 60px 0;
    background: #fff;
}
.about-factory-show .section-title {
    text-align: center;
    margin-bottom: 40px;
}
.about-factory-show .section-title h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-factory-show .section-title h2 span {
    color: #0056a7;
}
.about-factory-show .f-item {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e9edf2;
    background: #f8fafc;
}
.about-factory-show .f-item .f-img {
    height: 200px;
    background: #e9edf2;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-factory-show .f-item .f-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.about-factory-show .f-item .f-label {
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #0a1a2f;
    text-align: center;
    background: #fff;
}
.about-team {
    padding: 60px 0;
    background: #f8fafc;
}
.about-team .section-title {
    text-align: center;
    margin-bottom: 40px;
}
.about-team .section-title h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-team .section-title h2 span {
    color: #0056a7;
}
.about-team .team-item {
    background: #fff;
    border-radius: 8px;
    padding: 24px 20px;
    text-align: center;
    border: 1px solid #e9edf2;
    transition: box-shadow 0.2s;
}
.about-team .team-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.about-team .team-item .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #e9edf2;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #94a3b8;
}
.about-team .team-item .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.about-team .team-item .tname {
    font-size: 17px;
    font-weight: 600;
    color: #0a1a2f;
}
.about-team .team-item .trole {
    font-size: 14px;
    color: #0056a7;
    font-weight: 500;
}
.about-team .team-item .tdesc {
    font-size: 13px;
    color: #94a3b8;
    margin-top: 4px;
}
.about-culture {
    padding: 60px 0;
    background: #fff;
}
.about-culture .section-title {
    text-align: center;
    margin-bottom: 40px;
}
.about-culture .section-title h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-culture .section-title h2 span {
    color: #0056a7;
}
.about-culture .c-item {
    text-align: center;
    padding: 24px 20px;
}
.about-culture .c-item .icon {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
}
.about-culture .c-item .cname {
    font-size: 18px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-culture .c-item .cdesc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-top: 6px;
}
.about-contact {
    padding: 60px 0;
    background: #f8fafc;
}
.about-contact .section-title {
    text-align: center;
    margin-bottom: 40px;
}
.about-contact .section-title h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.about-contact .section-title h2 span {
    color: #0056a7;
}
.about-contact .contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.about-contact .contact-info {
    background: #fff;
    border-radius: 8px;
    padding: 32px;
    border: 1px solid #e9edf2;
}
.about-contact .contact-info .ci-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid #f8fafc;
}
.about-contact .contact-info .ci-item:last-child {
    border-bottom: none;
}
.about-contact .contact-info .ci-item .ci-icon {
    font-size: 22px;
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}
.about-contact .contact-info .ci-item .ci-text {
    font-size: 15px;
    color: #475569;
    line-height: 1.6;
}
.about-contact .contact-info .ci-item .ci-text strong {
    color: #0a1a2f;
}
.about-contact .contact-map {
    background: #e9edf2;
    border-radius: 8px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 16px;
    border: 1px solid #e9edf2;
}

/* ============================================================
   联系我们页
   ============================================================ */
.contact-header {
    padding: 50px 0 40px;
    background: #fff;
    border-bottom: 1px solid #e9edf2;
}
.contact-header .contact-headline h1 {
    font-size: 36px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 12px;
}
.contact-header .contact-headline h1 span {
    color: #0056a7;
}
.contact-header .contact-headline .definition {
    font-size: 16px;
    color: #475569;
    line-height: 1.9;
    max-width: 820px;
}
.contact-header .contact-headline .definition strong {
    color: #0a1a2f;
}
.contact-header .contact-headline .definition .highlight {
    color: #0056a7;
    font-weight: 600;
}
.contact-main {
    padding: 60px 0;
    background: #f8fafc;
}
.contact-main .contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}
.contact-main .contact-card {
    background: #fff;
    border-radius: 12px;
    padding: 28px 20px 24px;
    text-align: center;
    border: 1px solid #e9edf2;
    transition: box-shadow 0.2s;
}
.contact-main .contact-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.contact-main .contact-card .card-icon {
    width: 56px;
    height: 56px;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 12px;
    color: #0056a7;
}
.contact-main .contact-card .card-label {
    font-size: 13px;
    color: #94a3b8;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.contact-main .contact-card .card-value {
    font-size: 16px;
    font-weight: 600;
    color: #0a1a2f;
    margin-top: 4px;
}
.contact-main .contact-card .card-value a {
    color: #0a1a2f;
}
.contact-main .contact-card .card-value a:hover {
    color: #0056a7;
}
.contact-main .contact-card .card-desc {
    font-size: 14px;
    color: #64748b;
    margin-top: 4px;
}
.contact-map-section {
    padding: 0 0 60px 0;
    background: #f8fafc;
}
.contact-map-section .map-container {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e9edf2;
    background: #e9edf2;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 16px;
    position: relative;
}
.contact-map-section .map-container iframe {
    width: 100%;
    height: 100%;
    min-height: 320px;
    border: none;
    display: block;
}

/* ============================================================
   解决方案页通用（4个页面共用）
   ============================================================ */
.solution-hero {
    background: linear-gradient(135deg, #0a1a2f 0%, #14345c 100%);
    padding: 50px 0 40px;
    position: relative;
    overflow: hidden;
}
.solution-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    z-index: 0;
}
.solution-hero .container {
    position: relative;
    z-index: 1;
}
.solution-hero .solution-hero-text h1 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}
.solution-hero .solution-hero-text h1 span {
    color: #6db3ff;
}
.solution-hero .solution-hero-text .definition {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    max-width: 820px;
}
.solution-hero .solution-hero-text .definition strong {
    color: #fff;
}
.solution-hero .solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}
.solution-hero .solution-tags .tag {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    padding: 6px 18px;
    border-radius: 30px;
    backdrop-filter: blur(4px);
}
.solution-body {
    padding: 0;
    margin: 0;
    background: #ffffff;
}
.section-block-light {
    background: #ffffff;
    padding: 40px 0;
    width: 100%;
    margin: 0;
}
.section-block-dark {
    background: #f8fafc;
    padding: 40px 0;
    width: 100%;
    margin: 0;
}
.section-block-light:first-of-type,
.section-block-dark:first-of-type {
    padding-top: 0;
}
.section-block-light .container,
.section-block-dark .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}
.section-body h2 {
    font-size: 24px;
    font-weight: 700;
    color: #0a1a2f;
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 3px solid #0056a7;
}
.solution-body h3 {
    font-size: 19px;
    font-weight: 600;
    color: #0a1a2f;
    margin: 24px 0 12px;
}
.solution-body h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0a1a2f;
    margin: 18px 0 8px;
}
.solution-body p {
    font-size: 16px;
    color: #475569;
    line-height: 1.9;
    margin-bottom: 14px;
}
.solution-body ul,
.solution-body ol {
    padding-left: 24px;
    margin-bottom: 14px;
}
.solution-body ul li,
.solution-body ol li {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
    margin-bottom: 6px;
}
.solution-body ul li strong,
.solution-body ol li strong {
    color: #0a1a2f;
}
.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}
.pain-points-grid .pain-card {
    background: #fff;
    border-radius: 8px;
    padding: 16px 18px;
    box-shadow: 0 2px 8px rgba(10, 26, 47, 0.04);
    transition: all 0.3s;
}
.pain-points-grid .pain-card:hover {
    box-shadow: 0 4px 16px rgba(10, 26, 47, 0.08);
    transform: translateY(-2px);
}
.pain-points-grid .pain-card .icon {
    font-size: 22px;
    margin-bottom: 4px;
}
.pain-points-grid .pain-card .ptitle {
    font-weight: 700;
    font-size: 15px;
    color: #0a1a2f;
}
.pain-points-grid .pain-card .pdesc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
    margin-top: 2px;
}
.highlight-box {
    background: #e8edf5;
    border-radius: 8px;
    padding: 14px 20px;
    margin-bottom: 16px;
    border-left: 4px solid #0056a7;
font-size: 12px;
    margin-top: 5px;
}
.highlight-box strong {
    color: #0a1a2f;
}
.highlight-box .label {
    color: #0a1a2f;
    font-weight: 700;
}
.solution-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin: 16px 0 0;
}
.solution-flow .step {
    background: #fff;
    border: 1px solid #e9edf2;
    border-radius: 8px;
    padding: 20px 12px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}
.solution-flow .step:hover {
    border-color: #0056a7;
    box-shadow: 0 4px 16px rgba(0, 86, 167, 0.06);
}
.solution-flow .step .num {
    display: inline-block;
    background: #0a1a2f;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    margin-bottom: 8px;
}
.solution-flow .step h5 {
    font-size: 15px;
    color: #0a1a2f;
    margin: 0 0 4px;
}
.solution-flow .step p {
    font-size: 13px;
    color: #94a3b8;
    margin: 0;
}
.solution-toc {
    background: #fff;
    border-radius: 8px;
    padding: 20px 28px;
    border: 1px solid #e9edf2;
}
.solution-toc .toc-title {
    font-size: 15px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 10px;
}
.solution-toc .toc-title span {
    color: #0056a7;
}
.solution-toc .toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
}
.solution-toc .toc-list a {
    font-size: 14px;
    color: #475569;
    transition: color 0.2s;
}
.solution-toc .toc-list a:hover {
    color: #0056a7;
}
.solution-table-wrap {
    overflow-x: auto;
    margin: 12px 0 20px;
}
.solution-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    min-width: 600px;
}
.solution-table th {
    background: #0a1a2f;
    color: #fff;
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
}
.solution-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #e9edf2;
    vertical-align: top;
    color: #475569;
}
.solution-table tr:hover td {
    background: #f8fafc;
}
.solution-table td strong {
    color: #0a1a2f;
}
.solution-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 12px 0 20px;
}
.solution-products .product-card {
    background: #fff;
    border: 1px solid #e9edf2;
    border-radius: 8px;
    padding: 16px 12px;
    text-align: center;
    transition: all 0.3s;
}
.solution-products .product-card:hover {
    border-color: #0056a7;
    box-shadow: 0 4px 16px rgba(0, 86, 167, 0.06);
}
.solution-products .product-card img {
    max-height: 400px;
    width: auto;
    margin: 0 auto 8px;
    display: block;
}
.solution-products .product-card .pname {
    font-size: 14px;
    font-weight: 600;
    color: #0a1a2f;
    display: block;
}
.solution-products .product-card .pname:hover {
    color: #0056a7;
}
.solution-products .product-card .pdesc {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}
.solution-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 16px 0 0;
}
.solution-products-grid .product-item {
    background: #fff;
    border: 1px solid #e9edf2;
    border-radius: 8px;
    padding: 16px 14px 18px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.solution-products-grid .product-item:hover {
    transform: translateY(-6px);
    border-color: #0056a7;
    box-shadow: 0 8px 24px rgba(10, 26, 47, 0.08);
}
.solution-products-grid .product-item .p-img {
    width: 100%;
    height: 120px;
    background: #f8fafc;
    border-radius: 6px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.solution-products-grid .product-item .p-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    transition: transform 0.4s;
}
.solution-products-grid .product-item:hover .p-img img {
    transform: scale(1.04);
}
.solution-products-grid .product-item .p-name {
    font-size: 15px;
    font-weight: 600;
    color: #0a1a2f;
    margin-bottom: 2px;
}
.solution-products-grid .product-item .p-name a {
    color: #0a1a2f;
}
.solution-products-grid .product-item .p-name a:hover {
    color: #0056a7;
}
.solution-products-grid .product-item .p-desc {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 10px;
    flex: 1;
}
.solution-products-grid .product-item .p-link {
    font-size: 13px;
    font-weight: 500;
    color: #0056a7;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.solution-products-grid .product-item .p-link:hover {
    color: #003d73;
}
.solution-products-grid .product-item .p-link::after {
    content: "→";
    transition: transform 0.2s;
}
.solution-products-grid .product-item .p-link:hover::after {
    transform: translateX(4px);
}
.solution-spec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 12px 0 20px;
}
.solution-spec-grid .item {
    background: #fff;
    border: 1px solid #e9edf2;
    border-radius: 6px;
    padding: 12px 16px;
    text-align: center;
}
.solution-spec-grid .item .dn {
    font-weight: 700;
    color: #0a1a2f;
    font-size: 18px;
}
.solution-spec-grid .item .desc {
    color: #94a3b8;
    font-size: 13px;
}
.solution-case {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 14px 0;
    border-left: 4px solid #0056a7;
}
.solution-case .t {
    font-weight: 700;
    font-size: 16px;
    color: #0a1a2f;
}
.solution-case .d {
    font-size: 15px;
    color: #475569;
    margin-top: 4px;
    line-height: 1.7;
}
.solution-case .d strong {
    color: #0a1a2f;
}
.faq-accordion {
    margin: 12px 0 20px;
}
.faq-accordion .faq-item {
    border-bottom: 1px solid #e9edf2;
    padding: 0;
}
.faq-accordion .faq-item:last-child {
    border-bottom: none;
}
.faq-accordion .faq-q {
    padding: 14px 0;
    font-weight: 700;
    font-size: 16px;
    color: #0a1a2f;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    transition: color 0.2s;
}
.faq-accordion .faq-q:hover {
    color: #0056a7;
}
.faq-accordion .faq-q .arrow {
    font-size: 18px;
    color: #94a3b8;
    transition: transform 0.3s;
    flex-shrink: 0;
}
.faq-accordion .faq-item.active .faq-q .arrow {
    transform: rotate(180deg);
    color: #0056a7;
}
.faq-accordion .faq-q::before {
    content: "Q：";
    color: #0056a7;
}
.faq-accordion .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 0 0 28px;
    color: #475569;
    font-size: 15px;
    line-height: 1.8;
}
.faq-accordion .faq-a::before {
    content: "A：";
    color: #94a3b8;
    font-weight: 600;
}
.faq-accordion .faq-item.active .faq-a {
    max-height: 400px;
    padding: 0 0 16px 28px;
}
.solution-cta {
    background: linear-gradient(135deg, #0a1a2f 0%, #14345c 100%);
    color: #fff;
    text-align: center;
    padding: 36px 30px;
    border-radius: 10px;
    margin-top: 0;
    width: 100%;
}
.solution-cta .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}
.solution-cta h3 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.solution-cta p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 18px;
    line-height: 1.7;
}
.solution-cta .cta-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}
.solution-cta .cta-info .cta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}
.solution-cta .cta-info .cta-item .icon {
    font-size: 24px;
}
.solution-cta .cta-info .cta-item .phone {
    color: #6db3ff;
    font-weight: 700;
    font-size: 20px;
}

/* ============================================================
   资质实力页
   ============================================================ */
.qualification-hero {
    background: linear-gradient(135deg, #0a1a2f 0%, #14345c 100%);
    padding: 50px 0 40px;
    position: relative;
    overflow: hidden;
}
.qualification-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    z-index: 0;
}
.qualification-hero .container {
    position: relative;
    z-index: 1;
}
.qualification-hero .qual-hero-text h1 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}
.qualification-hero .qual-hero-text h1 span {
    color: #6db3ff;
}
.qualification-hero .qual-hero-text .definition {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    max-width: 780px;
}
.qualification-hero .qual-hero-text .definition strong {
    color: #fff;
}
.qualification-hero .qual-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.qualification-hero .qual-stats .stat-item {
    text-align: center;
}
.qualification-hero .qual-stats .stat-item .num {
    font-size: 28px;
    font-weight: 800;
    color: #6db3ff;
    line-height: 1.2;
}
.qualification-hero .qual-stats .stat-item .label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}
.qualification-section {
    padding: 50px 0 10px;
    background: #fff;
}
.qualification-section:last-of-type {
    padding-bottom: 50px;
}
.qualification-section:nth-child(even) {
    background: #f8fafc;
}
.qualification-section .section-header {
    text-align: center;
    margin-bottom: 24px;
}
.qualification-section .section-header .sec-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 2px;
}
.qualification-section .section-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 2px;
}
.qualification-section .section-header h2 span {
    color: #0056a7;
}
.qualification-section .section-header .sec-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}
.qual-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.qual-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e9edf2;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
}
.qual-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(10, 26, 47, 0.08);
    border-color: #0056a7;
}
.qual-card .qc-img {
    height: 160px;
    background: #f1f5f9;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.qual-card .qc-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    transition: transform 0.4s;
}
.qual-card:hover .qc-img img {
    transform: scale(1.02);
}
.qual-card .qc-img .no-img {
    font-size: 48px;
    color: #94a3b8;
}
.qual-card .qc-body {
    padding: 12px 16px 16px;
    text-align: center;
}
.qual-card .qc-body .qc-name {
    font-size: 14px;
    font-weight: 500;
    color: #0a1a2f;
    line-height: 1.3;
}
.qual-card .qc-body .qc-sub {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 2px;
}
.qual-grid-factory {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.qual-grid-factory .qual-card .qc-img {
    height: 200px;
}
.qual-grid-factory .qual-card .qc-img img {
    object-fit: cover;
    padding: 0;
}

/* ============================================================
   工程案例页
   ============================================================ */
.case-hero {
    background: linear-gradient(135deg, #0a1a2f 0%, #14345c 100%);
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}
.case-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    z-index: 0;
}
.case-hero .container {
    position: relative;
    z-index: 1;
}
.case-hero .case-hero-text h1 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.case-hero .case-hero-text h1 span {
    color: #6db3ff;
}
.case-hero .case-hero-text .definition {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    max-width: 780px;
}
.case-hero .case-hero-text .definition strong {
    color: #fff;
}
.case-hero .case-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.case-hero .case-stats .stat-item {
    text-align: center;
}
.case-hero .case-stats .stat-item .num {
    font-size: 32px;
    font-weight: 800;
    color: #6db3ff;
    line-height: 1.2;
}
.case-hero .case-stats .stat-item .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}
.featured-cases {
    padding: 60px 0 40px;
    background: #fff;
}
.featured-cases .section-header {
    text-align: center;
    margin-bottom: 40px;
}
.featured-cases .section-header .badge {
    display: inline-block;
    background: rgba(0, 102, 204, 0.08);
    color: #0056a7;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    padding: 4px 18px;
    border-radius: 40px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.featured-cases .section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.featured-cases .section-header h2 span {
    color: #0056a7;
}
.featured-cases .section-header p {
    color: #94a3b8;
    font-size: 15px;
    margin-top: 6px;
}
.featured-cases .featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.featured-cases .featured-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e9edf2;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}
.featured-cases .featured-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(10, 26, 47, 0.12);
    border-color: #0056a7;
}
.featured-cases .featured-card .fc-img {
    height: 220px;
    background: #f1f5f9;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.featured-cases .featured-card .fc-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.featured-cases .featured-card:hover .fc-img img {
    transform: scale(1.04);
}
.featured-cases .featured-card .fc-img .no-img {
    font-size: 56px;
    color: #94a3b8;
}
.featured-cases .featured-card .fc-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(10, 26, 47, 0.85);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.featured-cases .featured-card .fc-body {
    padding: 20px 24px 24px;
}
.featured-cases .featured-card .fc-body .fc-title {
    font-size: 18px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 4px;
}
.featured-cases .featured-card .fc-body .fc-sub {
    font-size: 14px;
    color: #0056a7;
    font-weight: 500;
    margin-bottom: 10px;
}
.featured-cases .featured-card .fc-body .fc-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.all-cases {
    padding: 50px 0 60px;
    background: #f8fafc;
}
.all-cases .section-header {
    text-align: center;
    margin-bottom: 40px;
}
.all-cases .section-header .badge {
    display: inline-block;
    background: rgba(0, 102, 204, 0.08);
    color: #0056a7;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    padding: 4px 18px;
    border-radius: 40px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.all-cases .section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: #0a1a2f;
}
.all-cases .section-header h2 span {
    color: #0056a7;
}
.all-cases .section-header p {
    color: #94a3b8;
    font-size: 15px;
    margin-top: 6px;
}
.all-cases .cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.all-cases .case-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e9edf2;
    transition: all 0.3s;
}
.all-cases .case-item:hover {
    box-shadow: 0 8px 30px rgba(10, 26, 47, 0.08);
    transform: translateY(-4px);
    border-color: #0056a7;
}
.all-cases .case-item .ci-img {
    height: 160px;
    background: #f1f5f9;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.all-cases .case-item .ci-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.all-cases .case-item .ci-img .no-img {
    font-size: 40px;
    color: #94a3b8;
}
.all-cases .case-item .ci-body {
    padding: 16px 20px 20px;
}
.all-cases .case-item .ci-body .ci-tag {
    display: inline-block;
    background: #0056a7;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}
.all-cases .case-item .ci-body .ci-title {
    font-size: 16px;
    font-weight: 600;
    color: #0a1a2f;
    line-height: 1.3;
    margin-bottom: 4px;
}
.all-cases .case-item .ci-body .ci-title a {
    color: #0a1a2f;
}
.all-cases .case-item .ci-body .ci-title a:hover {
    color: #0056a7;
}
.all-cases .case-item .ci-body .ci-meta {
    font-size: 12px;
    color: #94a3b8;
    margin-bottom: 8px;
}
.all-cases .case-item .ci-body .ci-summary {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.all-cases .case-item .ci-body .ci-link {
    font-size: 13px;
    font-weight: 500;
    color: #0056a7;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
}
.all-cases .case-item .ci-body .ci-link:hover {
    color: #003d73;
}
.all-cases .case-item .ci-body .ci-link::after {
    content: "→";
    transition: transform 0.2s;
}
.all-cases .case-item .ci-body .ci-link:hover::after {
    transform: translateX(4px);
}
.case-pagination {
    text-align: center;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.case-pagination a,
.case-pagination span {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid #e9edf2;
    border-radius: 4px;
    font-size: 14px;
    color: #475569;
    background: #fff;
    transition: 0.2s;
    min-width: 40px;
    text-align: center;
}
.case-pagination a:hover {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}
.case-pagination .active {
    background: #0056a7;
    color: #fff;
    border-color: #0056a7;
}

/* ============================================================
   技术知识库页
   ============================================================ */
.tech-hero {
    background: linear-gradient(135deg, #0a1a2f 0%, #14345c 100%);
    padding: 50px 0 40px;
    position: relative;
    overflow: hidden;
}
.tech-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 60% 30%, black, transparent 75%);
    z-index: 0;
}
.tech-hero .container {
    position: relative;
    z-index: 1;
}
.tech-hero .tech-hero-text h1 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}
.tech-hero .tech-hero-text h1 span {
    color: #6db3ff;
}
.tech-hero .tech-hero-text .definition {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    max-width: 780px;
}
.tech-hero .tech-hero-text .definition strong {
    color: #fff;
}
.tech-hero .tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}
.tech-hero .tech-tags .tag {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    padding: 6px 18px;
    border-radius: 30px;
    backdrop-filter: blur(4px);
}
.tech-section {
    padding: 50px 0 10px;
    background: #fff;
}
.tech-section:last-of-type {
    padding-bottom: 50px;
}
.tech-section:nth-child(even) {
    background: #f8fafc;
}
.tech-section .section-header {
    text-align: center;
    margin-bottom: 24px;
}
.tech-section .section-header .sec-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 2px;
}
.tech-section .section-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #0a1a2f;
    margin-bottom: 2px;
}
.tech-section .section-header h2 span {
    color: #0056a7;
}
.tech-section .section-header .sec-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.tech-card {
    background: #f8fafc;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e9edf2;
    border-left: 4px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(10, 26, 47, 0.04);
}
.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(10, 26, 47, 0.08);
    border-color: #0056a7;
    background: #fff;
}
.tech-card .tc-img {
    height: 130px;
    background: #f1f5f9;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.tech-card .tc-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.tech-card:hover .tc-img img {
    transform: scale(1.03);
}
.tech-card .tc-img .no-img {
    font-size: 36px;
    color: #94a3b8;
}
.tech-card .tc-body {
    padding: 14px 16px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.tech-card .tc-body .tc-title {
    font-size: 15px;
    font-weight: 600;
    color: #0a1a2f;
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tech-card .tc-body .tc-title a {
    color: #0a1a2f;
}
.tech-card .tc-body .tc-title a:hover {
    color: #0056a7;
}
.tech-card .tc-body .tc-meta {
    font-size: 12px;
    color: #94a3b8;
    margin-bottom: 6px;
}
.tech-card .tc-body .tc-summary {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tech-card .tc-body .tc-link {
    font-size: 13px;
    font-weight: 500;
    color: #0056a7;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 10px;
    align-self: flex-start;
}
.tech-card .tc-body .tc-link:hover {
    color: #003d73;
}
.tech-card .tc-body .tc-link::after {
    content: "→";
    transition: transform 0.2s;
}
.tech-card .tc-body .tc-link:hover::after {
    transform: translateX(4px);
}
.tech-section .section-footer {
    text-align: center;
    margin-top: 28px;
}
.tech-section .section-footer .view-all {
    display: inline-block;
    font-size: 15px;
    font-weight: 600;
    color: #0056a7;
    padding-bottom: 4px;
    border-bottom: 2px solid #0056a7;
    transition: all 0.2s;
}
.tech-section .section-footer .view-all:hover {
    color: #003d73;
    border-bottom-color: #003d73;
}
.tech-section .section-footer .view-all::after {
    content: " →";
    transition: transform 0.2s;
}
.tech-section .section-footer .view-all:hover::after {
    transform: translateX(4px);
}
.tech-empty {
    text-align: center;
    padding: 30px 20px;
    color: #94a3b8;
    font-size: 14px;
    grid-column: 1 / -1;
}
.tech-empty .icon {
    font-size: 40px;
    display: block;
    margin-bottom: 8px;
}

/* ============================================================
   LOGO图片
   ============================================================ */
.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1200px) {
    .product-detail .detail-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .plp-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px 20px;
        border: 1px solid #e9edf2;
        border-radius: 8px;
        background: #fff;
    }
    .plp-sidebar .sidebar-title {
        width: 100%;
        padding: 0 0 8px 0;
        border-bottom: 1px solid #e9edf2;
        margin-bottom: 8px;
    }
    .plp-sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: 4px 8px;
    }
    .plp-sidebar ul li {
        border-bottom: none;
    }
    .plp-sidebar ul li a {
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid #e9edf2;
        font-size: 13px;
        border-left: none;
    }
    .plp-sidebar ul li a:hover,
    .plp-sidebar ul li a.active {
        background: #0056a7;
        color: #fff;
        border-color: #0056a7;
        border-left: none;
    }
    .plp-sidebar ul li a .count {
        display: none;
    }
    .detail-gallery .main-img {
        aspect-ratio: 4 / 3;
    }
    .related-products .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .detail-pn .pn-wrap a {
        max-width: 100%;
    }
    .sticky-consult .sticky-info .phone {
        font-size: 17px;
    }
    .article-detail-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px 20px;
        border: 1px solid #e9edf2;
        border-radius: 8px;
        background: #fff;
    }
    .article-sidebar .sidebar-title {
        width: 100%;
        padding: 0 0 8px 0;
        border-bottom: 1px solid #e9edf2;
        margin-bottom: 8px;
    }
    .article-sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: 4px 8px;
    }
    .article-sidebar ul li {
        border-bottom: none;
    }
    .article-sidebar ul li a {
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid #e9edf2;
        font-size: 13px;
        border-left: none;
    }
    .article-sidebar ul li a:hover,
    .article-sidebar ul li a.active {
        background: #0056a7;
        color: #fff;
        border-color: #0056a7;
        border-left: none;
    }
    .article-sidebar ul li a .count {
        display: none;
    }
    .article-detail-content {
        padding: 24px 20px;
    }
    .article-detail-content .article-title {
        font-size: 22px;
    }
    .about-intro .intro-layout {
        grid-template-columns: 1fr;
    }
    .about-header .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-honors .plp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-factory-show .plp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-team .plp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-culture .plp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-contact .contact-layout {
        grid-template-columns: 1fr;
    }
    .product-toc .toc-inner {
        grid-template-columns: 1fr;
        gap: 8px 0;
    }
    .product-toc .toc-label {
        grid-row: auto;
        font-size: 18px;
    }
    .product-toc .toc-items {
        grid-column: 1 / 2;
        grid-template-columns: repeat(2, 1fr);
        gap: 4px 12px;
    }
    .product-toc .toc-items .toc-item {
        font-size: 13px;
        white-space: normal;
    }
    .product-toc .toc-items .toc-item:nth-child(n+5) {
        grid-row: auto;
    }
    .product-toc .toc-items .toc-item:nth-child(n+3) {
        grid-row: 2;
    }
    .product-toc .toc-items .toc-item:nth-child(n+5) {
        grid-row: 3;
    }
    .product-toc .toc-items .toc-item:nth-child(n+7) {
        grid-row: 4;
    }
    .solution-products {
        grid-template-columns: repeat(3, 1fr);
    }
    .solution-flow {
        grid-template-columns: repeat(3, 1fr);
    }
    .pain-points-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .featured-cases .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .all-cases .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .case-hero .case-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .qual-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .qual-grid-factory {
        grid-template-columns: repeat(2, 1fr);
    }
    .plp-layout {
        grid-template-columns: 1fr;
    }
    .plp-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px 20px;
        border: 1px solid #e9edf2;
        border-radius: 8px;
        background: #fff;
    }
    .plp-sidebar .sidebar-title {
        width: 100%;
        padding: 0 0 8px 0;
        border-bottom: 1px solid #e9edf2;
        margin-bottom: 8px;
    }
    .plp-sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: 4px 8px;
    }
    .plp-sidebar ul li {
        border-bottom: none;
    }
    .plp-sidebar ul li a {
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid #e9edf2;
        font-size: 13px;
        border-left: none;
    }
    .plp-sidebar ul li a:hover,
    .plp-sidebar ul li a.active {
        background: #0056a7;
        color: #fff;
        border-color: #0056a7;
        border-left: none;
    }
    .plp-sidebar ul li a .count {
        display: none;
    }
    .plp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tech-supplement .sup-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px 20px;
        border: 1px solid #e9edf2;
        border-radius: 8px;
        background: #fff;
    }
    .article-sidebar .sidebar-title {
        width: 100%;
        padding: 0 0 8px 0;
        border-bottom: 1px solid #e9edf2;
        margin-bottom: 8px;
    }
    .article-sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: 4px 8px;
    }
    .article-sidebar ul li {
        border-bottom: none;
    }
    .article-sidebar ul li a {
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid #e9edf2;
        font-size: 13px;
        border-left: none;
    }
    .article-sidebar ul li a:hover,
    .article-sidebar ul li a.active {
        background: #0056a7;
        color: #fff;
        border-color: #0056a7;
        border-left: none;
    }
    .article-sidebar ul li a .count {
        display: none;
    }
    .article-item {
        flex-direction: column;
    }
    .article-item .article-img {
        width: 100%;
        height: 180px;
    }
    .article-recommend {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .hero .container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .product-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .product-row .category-label {
        flex-direction: row;
        padding: 16px 20px;
        min-height: auto;
        border-left: none;
        border-bottom: 4px solid var(--accent);
        flex-wrap: wrap;
        gap: 4px 12px;
    }
    .product-row .category-label .icon {
        font-size: 24px;
        margin-bottom: 0;
    }
    .product-row .category-label .count {
        margin-top: 0;
        margin-left: 8px;
    }
    .product-row .category-label .view-more-link {
        margin-top: 0;
        padding: 2px 14px;
        font-size: 11px;
    }
    .product-row .products-inner {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-card .img-box {
        height: 140px;
    }
    .adv-grid,
    .case-grid,
    .blog-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .flow-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    .flow-step:not(:last-child)::after {
        display: none;
    }
    .about-factory .container {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .nav-toggle {
        display: block;
    }
    .nav-main .nav {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--primary);
        padding: 8px 0;
    }
    .nav-main .nav.open {
        display: flex;
    }
    .nav-main .nav>li {
        width: 100%;
    }
    .nav-main .nav>li>a {
        padding: 12px 20px;
        border-bottom: none;
    }
    .nav-main .dropdown-menu {
        position: static;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.04);
        border-top: none;
        padding: 0;
        border-radius: 0;
        display: none;
    }
    .nav-main .dropdown.open>.dropdown-menu {
        display: block;
    }
    .nav-main .dropdown-submenu>.dropdown-menu {
        position: static;
        padding-left: 20px;
        border-radius: 0;
    }
    .nav-main .dropdown-menu li a {
        color: rgba(255, 255, 255, 0.7);
        padding: 8px 20px;
        font-size: 13px;
    }
    .nav-main .dropdown-menu li a:hover {
        background: rgba(255, 255, 255, 0.06);
        color: #fff;
        border-left-color: var(--accent);
    }
    .nav-main .dropdown-menu .divider {
        background: rgba(255, 255, 255, 0.06);
    }
    .solution-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .honors-section .honors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .latest-articles .articles-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-main .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .contact-main .contact-card {
        padding: 20px 16px;
    }
    .contact-main .contact-card .card-value {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .hero-left .hero-title {
        font-size: 22px;
    }
    .hero-left .hero-desc {
        font-size: 14px;
    }
    .hero-left .hero-subtitle {
        font-size: 14px;
    }
    .btn-primary {
        padding: 12px 24px;
        font-size: 14px;
    }
    .trust-items {
        gap: 12px 24px;
    }
    .trust-item {
        font-size: 13px;
    }
    .trust-item .icon {
        font-size: 20px;
    }
    .trust-standards {
        font-size: 11px;
        padding: 6px 10px;
    }
    .adv-item .adv-img {
        height: 160px;
    }
    .factory-img {
        aspect-ratio: 4 / 3;
    }
    .product-row .category-label {
        padding: 14px 16px;
        gap: 4px 8px;
    }
    .product-row .category-label .icon {
        font-size: 20px;
    }
    .product-row .category-label .name {
        font-size: 16px;
    }
    .product-row .category-label .sub {
        font-size: 10px;
    }
    .product-row .category-label .view-more-link {
        font-size: 10px;
        padding: 2px 12px;
    }
    .hero-right {
        grid-template-columns: 1fr 1fr;
        padding: 20px;
    }
    .hero-stat .num {
        font-size: 28px;
    }
    .product-row .products-inner {
        grid-template-columns: 1fr 1fr;
    }
    .product-card .img-box {
        height: 120px;
    }
    .adv-grid,
    .case-grid,
    .blog-grid,
    .process-grid,
    .flow-steps {
        grid-template-columns: 1fr;
    }
    .flow-step:not(:last-child)::after {
        display: none;
    }
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    .header-contact .label {
        text-align: center;
    }
    .section-head h2 {
        font-size: 28px;
    }
    .floating-cta {
        bottom: 16px;
        right: 16px;
    }
    .floating-cta .btn {
        padding: 10px 18px;
        font-size: 13px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .footer .copy {
        flex-direction: column;
        gap: 4px;
    }
    .trust-bar .container {
        gap: 12px 20px;
    }
    .trust-item {
        font-size: 12px;
    }
    .friend-links .container {
        gap: 6px 14px;
    }
    .friend-links .label {
        width: 100%;
    }
    .video-showcase {
        padding: 20px;
    }
    .video-placeholder .play-icon {
        font-size: 40px;
    }
    .plp-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .plp-card .plp-img {
        height: 140px;
    }
    .plp-sidebar ul {
        gap: 4px;
    }
    .plp-sidebar ul li a {
        padding: 4px 12px;
        font-size: 12px;
    }
    .category-header h1 {
        font-size: 24px;
    }
    .contact-main .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .contact-main .contact-card {
        padding: 16px;
        display: flex;
        align-items: center;
        gap: 16px;
        text-align: left;
    }
    .contact-main .contact-card .card-icon {
        margin: 0;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    .contact-map-section .map-container {
        min-height: 200px;
    }
    .contact-map-section .map-container iframe {
        min-height: 200px;
    }
    .case-hero {
        padding: 40px 0 30px;
    }
    .case-hero .case-hero-text h1 {
        font-size: 28px;
    }
    .case-hero .case-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-top: 20px;
        padding-top: 20px;
    }
    .case-hero .case-stats .stat-item .num {
        font-size: 24px;
    }
    .featured-cases .featured-grid {
        grid-template-columns: 1fr;
    }
    .featured-cases .featured-card .fc-img {
        height: 180px;
    }
    .all-cases .cases-grid {
        grid-template-columns: 1fr;
    }
    .featured-cases .section-header h2,
    .all-cases .section-header h2 {
        font-size: 24px;
    }
    .tech-hero {
        padding: 36px 0 28px;
    }
    .tech-hero .tech-hero-text h1 {
        font-size: 28px;
    }
    .tech-hero .tech-tags .tag {
        font-size: 12px;
        padding: 4px 14px;
    }
    .tech-section {
        padding: 30px 0 6px;
    }
    .tech-section:last-of-type {
        padding-bottom: 30px;
    }
    .tech-section .section-header h2 {
        font-size: 20px;
    }
    .tech-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .tech-card .tc-img {
        height: 110px;
    }
    .tech-section .section-footer {
        margin-top: 20px;
    }
    .qualification-hero {
        padding: 36px 0 28px;
    }
    .qualification-hero .qual-hero-text h1 {
        font-size: 28px;
    }
    .qualification-hero .qual-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 20px;
        padding-top: 20px;
    }
    .qualification-hero .qual-stats .stat-item .num {
        font-size: 22px;
    }
    .qualification-section {
        padding: 30px 0 6px;
    }
    .qualification-section:last-of-type {
        padding-bottom: 30px;
    }
    .qualification-section .section-header h2 {
        font-size: 20px;
    }
    .qual-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .qual-grid-factory {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .qual-card .qc-img {
        height: 130px;
    }
    .qual-grid-factory .qual-card .qc-img {
        height: 160px;
    }
    .solution-hero {
        padding: 36px 0 28px;
    }
    .solution-hero .solution-hero-text h1 {
        font-size: 26px;
    }
    .solution-hero .solution-tags .tag {
        font-size: 12px;
        padding: 4px 14px;
    }
    .solution-body h2 {
        font-size: 20px;
    }
    .solution-body h3 {
        font-size: 17px;
    }
    .solution-body p,
    .solution-body li {
        font-size: 15px;
    }
    .section-block-light,
    .section-block-dark {
        padding: 28px 0;
    }
    .section-block-light .container,
    .section-block-dark .container {
        padding: 0 16px;
    }
    .pain-points-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .pain-points-grid .pain-card {
        padding: 14px 14px;
    }
    .solution-flow {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .solution-flow .step {
        padding: 14px 10px;
    }
    .solution-flow .step .num {
        width: 32px;
        height: 32px;
        line-height: 32px;
        font-size: 15px;
    }
    .solution-products {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .solution-products .product-card {
        padding: 12px 8px;
    }
    .solution-products .product-card img {
        max-height: 60px;
    }
    .solution-spec-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .solution-spec-grid .item {
        padding: 10px 8px;
    }
    .solution-spec-grid .item .dn {
        font-size: 16px;
    }
    .solution-case {
        padding: 14px 16px;
    }
    .solution-case .t {
        font-size: 15px;
    }
    .solution-case .d {
        font-size: 14px;
    }
    .faq-accordion .faq-q {
        font-size: 15px;
    }
    .faq-accordion .faq-a {
        font-size: 14px;
    }
    .solution-cta {
        padding: 24px 16px;
    }
    .solution-cta h3 {
        font-size: 20px;
    }
    .solution-cta p {
        font-size: 14px;
    }
    .solution-cta .cta-info {
        gap: 16px;
        flex-direction: column;
    }
    .solution-cta .cta-info .cta-item {
        font-size: 16px;
    }
    .solution-cta .cta-info .cta-item .phone {
        font-size: 18px;
    }
    .solution-table {
        font-size: 13px;
        min-width: 480px;
    }
    .solution-table th,
    .solution-table td {
        padding: 8px 10px;
    }
    .solution-toc {
        padding: 14px 18px;
    }
    .solution-toc .toc-list {
        gap: 4px 14px;
    }
    .solution-toc .toc-list a {
        font-size: 13px;
    }
    .about-header .about-headline h1 {
        font-size: 26px;
    }
    .about-header .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .about-intro .intro-text .values {
        grid-template-columns: 1fr;
    }
    .about-honors .plp-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-factory-show .plp-grid {
        grid-template-columns: 1fr;
    }
    .about-factory-show .f-item .f-img {
        height: 160px;
    }
    .about-team .plp-grid {
        grid-template-columns: 1fr;
    }
    .about-culture .plp-grid {
        grid-template-columns: 1fr;
    }
    .about-timeline .timeline {
        padding-left: 24px;
    }
    .about-timeline .timeline .tl-item {
        padding-left: 16px;
    }
    .about-timeline .timeline .tl-item::before {
        left: -20px;
        width: 12px;
        height: 12px;
    }
    .about-timeline .timeline::before {
        left: 6px;
    }
    .about-contact .contact-info {
        padding: 20px;
    }
    .tech-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .tech-card .tc-img {
        height: 110px;
    }
    .solution-products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .solution-products-grid .product-item .p-img {
        height: 100px;
    }
    .solution-products-grid .product-item .p-name {
        font-size: 14px;
    }
    .article-item .article-body .article-title {
        font-size: 16px;
    }
    .article-category-header h1 {
        font-size: 24px;
    }
    .article-recommend .rec-block .rec-list .rec-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .article-recommend .rec-block .rec-list .rec-item .rec-meta {
        margin-left: 0;
        font-size: 11px;
    }
    .article-detail-content {
        padding: 16px;
    }
    .article-detail-content .article-title {
        font-size: 18px;
    }
    .article-detail-content .article-meta {
        font-size: 12px;
        gap: 12px;
    }
    .article-detail-pn {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-detail-pn a {
        max-width: 100%;
    }
    .detail-info .product-name {
        font-size: 22px;
    }
    .related-products .related-grid {
        grid-template-columns: 1fr;
    }
    .detail-info .cta-group {
        flex-direction: column;
    }
    .detail-info .cta-group .btn-consult,
    .detail-info .cta-group .btn-params {
        width: 100%;
        justify-content: center;
    }
    .detail-pn .pn-wrap {
        flex-direction: column;
        align-items: flex-start;
    }
    .sticky-consult {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 12px 16px;
    }
    .sticky-consult .sticky-info {
        justify-content: center;
    }
    .sticky-consult .sticky-btn {
        justify-content: center;
    }
    .share-wrap {
        flex-wrap: wrap;
    }
    .product-toc .toc-items {
        grid-template-columns: 1fr 1fr;
        gap: 2px 8px;
    }
    .product-toc .toc-items .toc-item {
        font-size: 12px;
        padding: 3px 0;
    }
    .product-toc .toc-label {
        font-size: 16px;
    }
    .contact-header .contact-headline h1 {
        font-size: 26px;
    }
    .latest-articles .article-item {
        flex-wrap: wrap;
        padding: 14px 16px;
        gap: 6px 12px;
    }
    .latest-articles .article-item .article-left {
        min-width: auto;
        width: 100%;
    }
    .latest-articles .article-item .article-right {
        width: 100%;
    }
    .latest-articles .article-item .a-readmore {
        display: inline-block;
        margin-top: 2px;
    }
    .honors-section .honors-grid {
        grid-template-columns: 1fr 1fr;
    }
    .latest-articles .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .article-item {
        padding: 16px;
    }
    .article-item .article-img {
        height: 140px;
    }
    .plp-grid {
        grid-template-columns: 1fr;
    }
    .plp-card .plp-img {
        height: 140px;
    }
    .plp-sidebar ul {
        gap: 4px;
    }
    .plp-sidebar ul li a {
        padding: 4px 12px;
        font-size: 12px;
    }
    .category-header h1 {
        font-size: 24px;
    }
    .contact-main .contact-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .contact-main .contact-card {
        padding: 16px;
        display: flex;
        align-items: center;
        gap: 16px;
        text-align: left;
    }
    .contact-main .contact-card .card-icon {
        margin: 0;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    .contact-map-section .map-container {
        min-height: 200px;
    }
    .contact-map-section .map-container iframe {
        min-height: 200px;
    }
    .case-hero .case-stats {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .case-hero .case-stats .stat-item .num {
        font-size: 20px;
    }
    .case-hero .case-stats .stat-item .label {
        font-size: 12px;
    }
    .tech-grid {
        grid-template-columns: 1fr;
    }
    .tech-card .tc-img {
        height: 140px;
    }
    .tech-hero .tech-hero-text h1 {
        font-size: 24px;
    }
    .qual-grid {
        grid-template-columns: 1fr;
    }
    .qual-grid-factory {
        grid-template-columns: 1fr;
    }
    .qual-card .qc-img {
        height: 160px;
    }
    .qual-grid-factory .qual-card .qc-img {
        height: 180px;
    }
    .qualification-hero .qual-hero-text h1 {
        font-size: 24px;
    }
    .solution-hero .solution-hero-text h1 {
        font-size: 22px;
    }
    .pain-points-grid {
        grid-template-columns: 1fr;
    }
    .solution-flow {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .solution-products {
        grid-template-columns: 1fr 1fr;
    }
    .solution-spec-grid {
        grid-template-columns: 1fr 1fr;
    }
    .section-block-light,
    .section-block-dark {
        padding: 20px 0;
    }
    .section-block-light .container,
    .section-block-dark .container {
        padding: 0 12px;
    }
    .solution-cta .cta-info .cta-item {
        font-size: 14px;
    }
    .solution-cta .cta-info .cta-item .phone {
        font-size: 16px;
    }
    .solution-products-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }
    .solution-products-grid .product-item .p-img {
        height: 140px;
    }
    .about-header .about-headline h1 {
        font-size: 26px;
    }
    .about-header .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .about-intro .intro-text .values {
        grid-template-columns: 1fr;
    }
    .about-honors .plp-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-factory-show .plp-grid {
        grid-template-columns: 1fr;
    }
    .about-factory-show .f-item .f-img {
        height: 160px;
    }
    .about-team .plp-grid {
        grid-template-columns: 1fr;
    }
    .about-culture .plp-grid {
        grid-template-columns: 1fr;
    }
    .about-timeline .timeline {
        padding-left: 24px;
    }
    .about-timeline .timeline .tl-item {
        padding-left: 16px;
    }
    .about-timeline .timeline .tl-item::before {
        left: -20px;
        width: 12px;
        height: 12px;
    }
    .about-timeline .timeline::before {
        left: 6px;
    }
    .about-contact .contact-info {
        padding: 20px;
    }
    .article-item .article-img {
        height: 140px;
    }
    .article-detail-content .article-title {
        font-size: 18px;
    }
    .detail-info .product-name {
        font-size: 22px;
    }
    .lightbox-overlay .close-btn {
        top: 20px;
        right: 20px;
        font-size: 30px;
    }
    .hero-badges .badge {
        font-size: 11px;
        padding: 3px 12px;
    }
    .btn-primary {
        padding: 14px 24px;
        font-size: 15px;
        width: 100%;
        justify-content: center;
    }
    .product-row .products-inner {
        grid-template-columns: 1fr;
    }
    .product-card .img-box {
        height: 160px;
    }
    .honors-section .honors-grid {
        grid-template-columns: 1fr 1fr;
    }
}
/* ============================================================
   GEO 开篇定义区样式（全站文章统一）
   ============================================================ */

/* 外层容器 */
.geo-article-header {
    background: #f0f7ff;
    padding: 18px 22px;
    border-radius: 10px;
    border-left: 5px solid #1a56db;
    margin: 0 0 24px 0;
}

/* 标题行："本文技术数据来源" */
.geo-article-header .geo-title {
    margin: 0 0 6px 0;
    font-size: 15px;
    font-weight: 600;
    color: #0f172a;
}

/* 第一段：公司全称 + 实验室声明 */
.geo-article-header .geo-source {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.8;
    color: #1e293b;
}
.geo-article-header .geo-source strong {
    color: #0f172a;
}

/* 第二段：产品线关键词 */
.geo-article-header .geo-products {
    margin: 0 0 0 0;
    font-size: 14px;
    line-height: 1.8;
    color: #334155;
}
.geo-article-header .geo-products strong {
    color: #0f172a;
}

/* 底部：实体验证信息栏（地址/电话/数据溯源） */
.geo-article-header .geo-footer {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed #d1d9e6;
    font-size: 13px;
    color: #64748b;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
}
.geo-article-header .geo-footer a {
    color: #1a56db;
    text-decoration: none;
    font-weight: 500;
}
.geo-article-header .geo-footer a:hover {
    text-decoration: underline;
}

/* ===== 移动端适配 ===== */
@media (max-width: 640px) {
    .geo-article-header {
        padding: 14px 16px;
    }
    .geo-article-header .geo-footer {
        flex-direction: column;
        gap: 2px 0;
    }
}
/* ============================================================ */
/* 精品爆款 · 产品卡片样式（精简版） */
/* ============================================================ */

/* 规格标签容器（一行展示） */
.product-card .spec {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 4px;
    margin: 4px 0 6px 0;
    font-size: 12px;
    color: #475569;
    line-height: 1.5;
}

/* 每个标签本身 */
.product-card .spec span {
    display: inline-block;
    background: #f1f5f9;
    padding: 1px 10px;
    border-radius: 12px;
    font-size: 11px;
    color: #1e293b;
}

/* 分隔符“|”不显示背景 */
.product-card .spec .sep {
    background: transparent !important;
    padding: 0 2px !important;
    color: #cbd5e1;
    font-size: 12px;
}

/* 一句话描述 */
.product-card .slogan {
    font-size: 13px;
    color: #475569;
    line-height: 1.5;
    margin: 0 0 8px 0;
    padding: 0 2px;
}
/* ===== 专题页通用样式 ===== */
.topic-hero { padding: 32px 0 24px; background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 100%); }
.topic-hero h1 { font-size: 28px; color: #1a1b1c; margin: 0 0 12px; }
.topic-hero h1 span { color: #0056a7; }
.topic-hero .lead { font-size: 15px; color: #444; line-height: 1.8; margin: 0 0 16px; }
.topic-hero .hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.topic-hero .hero-tags .htag { background: #fff; border: 1px solid #d0e4f7; color: #0056a7; padding: 4px 12px; border-radius: 20px; font-size: 13px; }

.spec-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.spec-table th, .spec-table td { border: 1px solid #e0e0e0; padding: 10px 12px; text-align: center; }
.spec-table th { background: #f5f9fd; color: #0056a7; font-weight: 600; }
.spec-table tr:nth-child(even) { background: #fafbfc; }

.compare-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.compare-table th, .compare-table td { border: 1px solid #e0e0e0; padding: 10px 12px; text-align: center; }
.compare-table th { background: #f5f9fd; color: #0056a7; font-weight: 600; }
.compare-table td:first-child { text-align: left; font-weight: 500; background: #fafbfc; }

.structure-list { list-style: none; padding: 0; margin: 16px 0; }
.structure-list li { padding: 8px 0 8px 28px; position: relative; border-bottom: 1px dashed #eee; font-size: 14px; line-height: 1.6; }
.structure-list li:last-child { border-bottom: none; }
.structure-list li::before { content: attr(data-num); position: absolute; left: 0; top: 8px; width: 20px; height: 20px; background: #0056a7; color: #fff; border-radius: 50%; text-align: center; line-height: 20px; font-size: 12px; }

.scene-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 16px 0; }
.scene-card { background: #fff; border: 1px solid #e8eef5; border-radius: 8px; padding: 16px; }
.scene-card .sc-icon { font-size: 28px; margin-bottom: 8px; }
.scene-card .sc-title { font-weight: 600; color: #1a1b1c; margin-bottom: 6px; font-size: 15px; }
.scene-card .sc-desc { font-size: 13px; color: #666; line-height: 1.6; }

.topic-section { padding: 28px 0; }
.topic-section:nth-child(even) { background: #fafbfc; }
.topic-section h2 { font-size: 22px; color: #1a1b1c; margin: 0 0 16px; padding-left: 12px; border-left: 4px solid #0056a7; }
.topic-section h2 span { color: #0056a7; }
.topic-section p { font-size: 14px; line-height: 1.8; color: #333; margin: 0 0 12px; }
.topic-section ul { padding-left: 20px; margin: 12px 0; }
.topic-section ul li { font-size: 14px; line-height: 1.8; color: #333; margin-bottom: 6px; }

.install-steps { counter-reset: step; list-style: none; padding: 0; margin: 16px 0; }
.install-steps li { counter-increment: step; padding: 12px 0 12px 48px; position: relative; border-bottom: 1px solid #f0f0f0; font-size: 14px; line-height: 1.7; }
.install-steps li:last-child { border-bottom: none; }
.install-steps li::before { content: counter(step); position: absolute; left: 0; top: 12px; width: 32px; height: 32px; background: #0056a7; color: #fff; border-radius: 50%; text-align: center; line-height: 32px; font-size: 14px; font-weight: 600; }

.related-products { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 16px 0; }
.related-card { background: #fff; border: 1px solid #e8eef5; border-radius: 8px; padding: 16px; text-align: center; transition: box-shadow 0.2s; }
.related-card:hover { box-shadow: 0 4px 12px rgba(0,86,167,0.1); }
.related-card .rc-title { font-weight: 600; color: #1a1b1c; margin-bottom: 6px; font-size: 15px; }
.related-card .rc-desc { font-size: 12px; color: #888; margin-bottom: 10px; }
.related-card .rc-link { color: #0056a7; font-size: 13px; text-decoration: none; }

@media (max-width: 768px) {
    .topic-hero h1 { font-size: 22px; }
    .topic-section h2 { font-size: 18px; }
    .spec-table, .compare-table { font-size: 12px; }
    .spec-table th, .spec-table td, .compare-table th, .compare-table td { padding: 6px 8px; }
}
/* ========== 工厂实景画廊 1大+6小 开始 ========== */
.factory-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 大图样式 */
.factory-gallery .gallery-main img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

/* 6图网格：2行3列 */
.factory-gallery .gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
}

.factory-gallery .grid-item {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
}

.factory-gallery .grid-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.3s ease;
}

/* hover微动效，延长停留时间 */
.factory-gallery img:hover {
  transform: scale(1.03);
}

/* 平板端：改2列 */
@media (max-width: 768px) {
  .factory-gallery .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .factory-gallery {
    gap: 10px;
  }
}

/* 手机端：保持2列，缩小间距 */
@media (max-width: 480px) {
  .factory-gallery .gallery-grid {
    gap: 8px;
  }
  .factory-gallery .grid-item {
    border-radius: 4px;
  }
}
/* ========== 解决方案页面FAQ 开始 ========== */
.faq-section{padding:48px 0;background:#f8fafc;}
.faq-list{max-width:960px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:10px;margin-bottom:12px;overflow:hidden;}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 48px 16px 20px;font-size:16px;font-weight:600;color:#0f2b46;position:relative;line-height:1.6;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-no{display:inline-block;width:24px;height:24px;line-height:24px;text-align:center;background:#0066cc;color:#fff;border-radius:50%;font-size:13px;margin-right:10px;font-weight:600;}
.faq-item summary::after{content:'+';position:absolute;right:20px;top:16px;font-size:22px;color:#0066cc;line-height:1;}
.faq-item[open] summary::after{content:'\2212';}
.faq-a{padding:0 20px 18px 54px;}
.faq-a p{margin:0;font-size:14.5px;line-height:1.9;color:#475569;}
@media(max-width:768px){.faq-item summary{font-size:15px;padding:14px 42px 14px 14px;}.faq-a{padding:0 14px 16px 14px;}.faq-a p{font-size:14px;}}
/* FAQ标题区居中 */
.faq-section .section-header{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.faq-section .section-header .badge,
.faq-section .section-header h2,
.faq-section .section-header p{
  margin-left:auto;
  margin-right:auto;
}