@charset "utf-8";
/* ========== CSS Reset & Variables ========== */
:root {
    --primary: #1467b3;
    --primary-dark: #0f5a9e;
    --primary-light: #1a7fd4;
    --primary-lighter: #e8f4fd;
    --accent: #ff6b35;
    --accent-hover: #e55d2b;
    --text: #2c3e50;
    --text-light: #666;
    --text-lighter: #999;
    --bg: #f5f7fa;
    --white: #fff;
    --border: #e8ecf1;
    --shadow: 0 2px 20px rgba(0,0,0,.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all .3s ease;
    --max-width: 1300px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: "Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

/* ========== Header ========== */
.header-wrap {
    position: sticky; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0,0,0,.05);
    transition: var(--transition);
}
.header-wrap.scrolled { box-shadow: var(--shadow); }

.header-inner {
    max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
    display: flex; align-items: center; justify-content: space-between;
    height: 80px;
}
.header-inner .logo img {max-height: 70px; width: auto; }
.header-inner .logo { display: flex; align-items: center; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu li a {
    display: block; padding: 8px 20px; border-radius: 25px;
    font-size: 15px; font-weight: 500; color: var(--text);
    position: relative; white-space: nowrap;
}
.nav-menu li a:hover,
.nav-menu li a.active { color: var(--primary); background: var(--primary-lighter); }

.menu-toggle { display: none; cursor: pointer; width: 36px; height: 36px;
    flex-direction: column; justify-content: center; gap: 6px; padding: 4px; z-index: 1001; }
.menu-toggle span { display: block; height: 2px; background: var(--text);
    border-radius: 2px; transition: var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,6px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-6px); }
@media (max-width: 1200px) {
.nav-menu li a {
  padding: 8px 15px;
}
}
@media (max-width: 1100px) {
.nav-menu li a {
  padding: 8px 10px;
}
}
@media (max-width: 1024px) {
    .menu-toggle { display: flex; }
    .header-inner nav { position: absolute; }
    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--white); flex-direction: column; padding: 90px 30px 30px;
        gap: 8px; transition: var(--transition); box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    .nav-menu.open { right: 0; }
    .nav-menu li a { font-size: 16px; padding: 12px 16px; border-radius: var(--radius-sm); }
    .menu-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4);
        z-index: 999; transition: var(--transition); }
    .menu-overlay.show { display: block; }
}


/* ========== Section Common ========== */
.section { padding: 80px 0; padding-top:60px;}
.section-sm { padding: 60px 0; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 10px; }

.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 32px; font-weight: 700; color: var(--text); margin-bottom: 12px; position: relative; display: inline-block; }
.section-header h2::after { content: ''; display: block; width: 50px; height: 3px;
    background: var(--primary); margin: 12px auto 0; border-radius: 2px; }
.section-header .subtitle { font-size: 15px; color: var(--text-light); letter-spacing: 2px; text-transform: uppercase; }
.section-bg-white { background: var(--white); }
.section-bg-primary { background: var(--primary); color: var(--white); }

/* ========== Breadcrumb ========== */
.breadcrumb-wrap {
    /*margin-top: 70px;*/
    position: relative;
    background: linear-gradient(135deg, #0d4f8a, #0a6fc7, #0854a0);
    padding: 60px 0; color: var(--white);
    overflow: hidden;padding-top: 50px;
  padding-bottom: 70px;
}
/* 网格纹理 */
.breadcrumb-wrap::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
/* 大圆 - 右上 */
.breadcrumb-wrap::after {
    content: '';
    position: absolute;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    top: -120px; right: -100px;
    pointer-events: none;
}
/* 中圆 - 左下 */
.breadcrumb-inner::before {
    content: '';
  position: absolute;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  bottom: -40px;
  left: -12px;
  pointer-events: none;
  display:none;
}
/* 小圆 - 右中 */
.breadcrumb-inner::after {
    content: '欢迎各界朋友莅临参观、指导和业务洽谈！';
    position: absolute;
    width: 340px; height: 35px;
    border-radius:10px;
    border: 2px solid rgba(255,255,255,.12);
    bottom: 40%; right: 15%;
    pointer-events: none;text-align: center;
}
/* 波浪底部 */
.breadcrumb-bottom-wave {
    position: absolute; bottom: -2px; left: 0; right: 0;
    height: 40px; pointer-events: none;
}
.breadcrumb-bottom-wave svg { width: 100%; height: 100%; display: block; }

.breadcrumb-inner {
    position: relative; z-index: 1;
    max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
    display: flex; align-items: center; justify-content: space-between;
}
.breadcrumb-left { position: relative; z-index: 1; }
.breadcrumb-left h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.breadcrumb-left .breadcrumb { font-size: 14px; opacity: .9; }
.breadcrumb-left .breadcrumb a { color: var(--white); }
.breadcrumb-left .breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-left .deco-line {
    width: 60px; height: 4px;
    background: rgba(255,255,255,.5);
    border-radius: 2px; margin-top: 12px;
}
.breadcrumb-right {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    border: 2px solid rgba(255,255,255,.25);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.35);
}
.breadcrumb-right svg { width: 30px; height: 30px; }
@media (max-width: 640px) {
    .breadcrumb-right { display: none; }
    .breadcrumb-wrap { padding: 40px 0; }
    .breadcrumb-left h1 { font-size: 22px; }
	.breadcrumb-inner::after {
		display:none;
}
}
/* ========== Pagination ========== */
.pagination {
  margin-top: 30px;
  text-align: center;
  padding: 20px 0;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 16px;
  margin: 0 5px;
  background: #fff;
  color: #666;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
  font-size:14px;
}

.pagination a:hover,
.pagination a.fcur {
  background:var(--primary);
  color: #fff;
}


/* ========== Back to Top ========== */
.back-top { position: fixed; bottom: 30px; right: 30px; width: 46px; height: 46px;
    background: var(--primary); color: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    box-shadow: 0 4px 15px rgba(20,103,179,.4); z-index: 99;
    opacity: 0; visibility: hidden; transition: var(--transition); font-size: 20px;
    border: none; }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

@media (max-width: 768px) {
    .section { padding: 50px 0;}
    .section-header h2 { font-size: 24px; }
    .section-header { margin-bottom: 30px; }
    .breadcrumb-wrap { padding: 30px 0; padding-bottom:50px;}
    .breadcrumb-inner h1 { font-size: 22px; }
    .back-top { bottom: 80px; right: 16px; width: 40px; height: 40px; font-size: 16px; }
	.header-inner .logo img {max-height: 54px; width: auto;}
	.friend-section{display:none;}
}
/* Page-specific: Index */
.hero-stats { display: flex; justify-content: center; gap: 60px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats .stat { text-align: center; }
.hero-stats .stat-num { font-size: 42px; font-weight: 700; color: var(--white); }
.hero-stats .stat-label { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 4px; letter-spacing: 1px; }

/* Product Cards */
.product-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.product-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition); position: relative;
    display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card .card-img { position: relative; overflow: hidden; aspect-ratio: 1.1/1; background: #f0f4f8; }
.product-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .card-img img { transform: scale(1.08); }
.product-card .card-img .overlay {
    position: absolute; inset: 0; background: rgba(20,103,179,.85);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.product-card:hover .card-img .overlay { opacity: 1; }
.product-card .card-img .overlay a {
    color: var(--white); border: 2px solid var(--white); padding: 10px 24px;
    border-radius: 25px; font-size: 14px; font-weight: 500;
}
.product-card .card-img .overlay a:hover { background: var(--white); color: var(--primary); }
.product-card .card-body { padding: 16px; text-align: center; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.product-card .card-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.product-card .card-body p { font-size: 13px; color: var(--text-light); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }


/* About Section */
.about-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-video { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-video img { width: 100%; display: block; }
.about-video .play-btn {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 72px; height: 72px; background: rgba(255,255,255,.9); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,.2); transition: var(--transition);
}
.about-video .play-btn::after { content: ''; border: 12px solid transparent; border-left: 20px solid var(--primary); margin-left: 4px; }
.about-video .play-btn:hover { transform: translate(-50%,-50%) scale(1.1); background: var(--primary); }
.about-video .play-btn:hover::after { border-left-color: var(--white); }
.about-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 20px; color: var(--text); }
.about-text article { font-size: 15px; color: var(--text-light); line-height: 1.9; margin-bottom: 24px; }
.btn-primary {
    display: inline-block; padding: 12px 32px; background: var(--primary); color: var(--white);
    border-radius: 25px; font-size: 15px; font-weight: 500; transition: var(--transition);
    border: 2px solid var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(20,103,179,.3); }

/* Solution Cards */
.solution-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.solution-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.solution-card .card-img { overflow: hidden; aspect-ratio: 4/3; }
.solution-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.solution-card:hover .card-img img { transform: scale(1.05); }
.solution-card .card-content { padding: 20px; }
.solution-card .card-content h4 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.solution-card .card-content p { font-size: 13px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.solution-card .card-content .more-link { display: inline-block; margin-top: 12px; color: var(--primary); font-size: 13px; font-weight: 500; }
.solution-card .card-content .more-link:hover { text-decoration: underline; }

/* News Section - Two Column */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-item {
    display: flex; gap: 16px; background: var(--white); padding: 20px;
    border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition);
    align-items: flex-start;
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-item .news-date {
    flex-shrink: 0; width: 56px; text-align: center; padding: 8px 0;
    background: var(--primary); color: var(--white); border-radius: var(--radius-sm);
}
.news-item .news-date .day { font-size: 22px; font-weight: 700; line-height: 1; }
.news-item .news-date .month { font-size: 12px; opacity: .85; margin-top: 2px; }
.news-item .news-info { flex: 1; min-width: 0; }
.news-item .news-info h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-item .news-info p { font-size: 13px; color: var(--text-light); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .news-info .meta { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.news-item .news-info .meta time { font-size: 12px; color: var(--text-lighter); }
.news-item .news-info .meta .more { font-size: 12px; color: var(--primary); font-weight: 500; }

/* Counter Section */
.counter-section { background: linear-gradient(135deg, var(--primary), #0d4f8a); padding: 50px 0; }
.counter-row { display: flex; justify-content: center; gap: 80px; flex-wrap: wrap; }
.counter-item { text-align: center; color: var(--white); }
.counter-item .count { font-size: 40px; font-weight: 700; }
.counter-item .label { font-size: 14px; opacity: .8; margin-top: 6px; letter-spacing: 1px; }

/* 企业优势 */
.intro-text { max-width: 920px; margin: 0 auto 40px; text-align: center; font-size: 15px; color: var(--text-light); line-height: 1.9; }
.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.strength-card {
    background: var(--white); border-radius: var(--radius); padding: 32px 24px;
    box-shadow: var(--shadow); text-align: center; transition: var(--transition);
    border-top: 3px solid transparent;
}
.strength-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-top-color: var(--primary); }
.strength-icon {
    width: 60px; height: 60px; margin: 0 auto 18px;
    background: var(--primary-lighter); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.strength-icon svg { width: 26px; height: 26px; color: var(--primary); stroke-width: 2; }
.strength-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 10px; color: var(--text); }
.strength-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 热品推荐 */
.hot-products { margin-bottom: 35px; }
.hot-label { text-align: center; margin-bottom: 20px; }
.hot-label span {
    display: inline-block; padding: 6px 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; font-size: 14px; font-weight: 600; border-radius: 20px; letter-spacing: 1px;
}
.hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.hot-item {
    background: var(--white); border-radius: var(--radius-sm); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition);
}
.hot-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.hot-item a { display: block; }
.hot-item img { width: 100%; aspect-ratio: 1.1/1; object-fit: cover; display: block; }
.hot-item h5 { padding: 12px; font-size: 14px; font-weight: 600; text-align: center; }
.hot-item h5 a { color: var(--text); }
.hot-item h5 a:hover { color: var(--primary); }

@media (max-width: 1024px) {
    .product-grid, .solution-grid, .strength-grid, .hot-grid { grid-template-columns: repeat(2,1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .about-row { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 640px) {
    .product-grid, .solution-grid, .strength-grid, .hot-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .news-item { flex-direction: column; align-items: stretch; padding: 16px; }
    .news-item .news-date { width: auto; padding: 10px 0; border-radius: var(--radius-sm); }
    .news-item .news-date .day { font-size: 18px; }
    .news-item .news-info h4 { white-space: normal; }
    .strength-card { padding: 24px 16px; }
    .strength-icon { width: 48px; height: 48px; }
    .strength-icon svg { width: 22px; height: 22px; }
    .product-card .card-body h4 { font-size: 14px; }
    .counter-row { gap: 40px; }
    .counter-item .count { font-size: 28px; }
    .about-video .play-btn { width: 52px; height: 52px; }
    .about-video .play-btn::after { border-width: 8px; border-left-width: 14px; }
}
/* ========== Friend Links Section ========== */
.friend-section {
    margin-top: 60px;
    padding: 28px 0;
    background: #f8fafc;
    border-top: 1px solid rgba(20,103,179,.1);
    border-bottom: 1px solid rgba(20,103,179,.1);
}
.friend-inner {
    display: flex; align-items: flex-start; gap: 24px;
}
.friend-label {
    flex-shrink: 0;
}
.friend-label h3 {
    font-size: 15px; font-weight: 600; color: var(--text-light);
    padding-top: 8px; white-space: nowrap;
}
.friend-links-wrap {
    display: flex; flex-wrap: wrap; gap: 10px; flex: 1;
}
.friend-pill {
    display: inline-block; padding: 6px 16px; font-size: 13px;
    border-radius: 4px; color: var(--text-lighter); background: var(--white);
    border: 1px solid var(--border); transition: var(--transition);
    text-decoration: none; white-space: nowrap;
}
.friend-pill:hover {
    color: var(--primary); border-color: var(--primary);
    background: rgba(20,103,179,.05);
}

@media (max-width: 768px) {
    .friend-section { padding: 20px 0; }
    .friend-inner { flex-direction: column; gap: 14px; }
    .friend-label h3 { padding-top: 0; }
    .friend-pill { padding: 5px 12px; font-size: 12px; }
}

/* ========== Footer Styles ========== */
.site-footer {
    background: #1a1f2e;
    color: rgba(255,255,255,.75);
    padding: 60px 0 0;
}
.site-footer h4 {
    color: #fff; font-size: 17px; font-weight: 600; margin-bottom: 20px;
    position: relative; padding-bottom: 10px;
}
.site-footer h4::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 30px; height: 2px; background: var(--primary); border-radius: 1px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1.2fr; gap: 40px;
}
.footer-desc { margin-bottom: 16px; line-height: 1.8; font-size: 14px; }
.footer-contact p {
    display: flex; align-items: center; gap: 8px; font-size: 14px;
    margin-bottom: 8px; color: rgba(255,255,255,.6);
}
.footer-contact svg { flex-shrink: 0; color: var(--primary); }
.footer-links ul { display: flex; flex-direction: column; gap: 6px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.6); }
.footer-links a:hover { color: var(--primary); padding-left: 6px; }
.footer-product ul { display: flex; flex-direction: column; gap: 6px; }
.footer-product a { font-size: 14px; color: rgba(255,255,255,.6); }
.footer-product a:hover { color: var(--primary); padding-left: 6px; }
.footer-qrcode p { font-size: 14px; margin-bottom: 6px; color: rgba(255,255,255,.6); }
.footer-bottom {
    margin-top: 40px; padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,.08);
    text-align: center; font-size: 13px; color: rgba(255,255,255,.4);
}
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: var(--primary); }

/* Mobile Nav */
.mobile-nav {
    display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 998;
    background: var(--white); box-shadow: 0 -2px 10px rgba(0,0,0,.1);
    justify-content: space-around; padding: 8px 0; height: 60px;
}
.mobile-nav a {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    font-size: 13px; color: var(--text-light); }
.mobile-nav a svg { color: var(--text-lighter); }
.mobile-nav a:hover, .mobile-nav a.active { color: var(--primary); }
.mobile-nav a:hover svg, .mobile-nav a.active svg { color: var(--primary); }

@media (max-width: 768px) {
    .friend-section { padding: 35px 0; }
    .friend-header h3 { font-size: 20px; }
    .friend-header h3::before,
    .friend-header h3::after { width: 24px; }
    .friend-pill { padding: 8px 16px; font-size: 13px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .site-footer { padding: 40px 0 0; margin-bottom: 60px; margin-top:30px; padding-left:10px; padding-right:10px;}
    .mobile-nav { display: flex; }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

.aboutab-content { max-width: 1300px; margin: 0 auto; }
.aboutab-box {
    background: var(--white); border-radius: var(--radius); padding: 40px;
    box-shadow: var(--shadow); margin-bottom: 30px;
}
.aboutab-box h3 { font-size: 24px; font-weight: 700; margin-bottom: 20px; color: var(--primary); position: relative; padding-bottom: 12px; }
.aboutab-box h3::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 3px; background: var(--primary); border-radius: 2px; }
.aboutab-box article { font-size: 15px; color: var(--text); line-height: 2; }

.contactab-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 30px; }
.contactab-card {
    background: var(--white); border-radius: var(--radius); padding: 30px 20px;
    text-align: center; box-shadow: var(--shadow); transition: var(--transition);
}
.contactab-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contactab-card .icon { width: 56px; height: 56px; margin: 0 auto 16px; background: var(--primary-lighter); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.contactab-card .icon svg { color: var(--primary); width: 26px; height: 26px; }
.contactab-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.contactab-card p { font-size: 14px; color: var(--text-light); }

.highlight-info { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: var(--radius); padding: 40px; color: var(--white); text-align: center; }
.highlight-info h3 { font-size: 22px; margin-bottom: 16px; }
.highlight-info .hotline { font-size: 36px; font-weight: 700; letter-spacing: 2px; margin: 12px 0; }
.highlight-info .sub { font-size: 15px; opacity: .9; }
.highlight-info .company-name { font-size: 20px; font-weight: 600; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.2); }

@media (max-width: 768px) {
    .aboutab-box { padding: 20px; }
    .contactab-cards { grid-template-columns: 1fr; }
    .highlight-info { padding: 24px; }
    .highlight-info .hotline { font-size: 26px; }
}

.productc-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.productc-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition);
}
.productc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.productc-card .card-img { position: relative; overflow: hidden; aspect-ratio: 1.1/1; background: #f0f4f8; }
.productc-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.productc-card:hover .card-img img { transform: scale(1.08); }
.productc-card .card-img .overlay {
    position: absolute; inset: 0; background: rgba(20,103,179,.85);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.productc-card:hover .card-img .overlay { opacity: 1; }
.productc-card .card-img .overlay a {
    color: var(--white); border: 2px solid var(--white); padding: 10px 24px;
    border-radius: 25px; font-size: 14px; font-weight: 500;
}
.productc-card .card-img .overlay a:hover { background: var(--white); color: var(--primary); }
.productc-card .card-body { padding: 16px; text-align: center; }
.productc-card .card-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.productc-card .card-body h4 a { color: var(--text); }
.productc-card .card-body h4 a:hover { color: var(--primary); }
.productc-card .card-body p { font-size: 13px; color: var(--text-light); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.cat-tabs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 35px; }
.cat-tabs a {
    display: block; padding: 9px 12px; border-radius: var(--radius); font-size: 14px; text-align: center;
    border: 1px solid var(--border); color: var(--text-light); transition: var(--transition);
    background: var(--white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cat-tabs a:hover, .cat-tabs a.active { background: var(--primary); color: var(--white); border-color: var(--primary); }

@media (max-width: 1024px) { .productc-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 768px) { .productc-grid { grid-template-columns: repeat(2,1fr); gap: 14px; } .productc-card .card-body h4 { font-size: 14px; } .cat-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; justify-content: unset; }
    .cat-tabs a { padding: 10px 0; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } }
@media (max-width: 480px) { .productc-grid { grid-template-columns: 1fr 1fr; gap: 10px; } 

.pagination a, .pagination span {
  padding: 6px 12px;
  margin-bottom: 10px;
}

}

.newsc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.newsc-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition);
}
.newsc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.newsc-card .card-img { overflow: hidden; aspect-ratio: 16/10; }
.newsc-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.newsc-card:hover .card-img img { transform: scale(1.06); }
.newsc-card .card-body { padding: 20px; }
.newsc-card .card-body .date-tag { display: inline-block; padding: 3px 10px; background: var(--primary-lighter); color: var(--primary); border-radius: 15px; font-size: 12px; margin-bottom: 10px; }
.newsc-card .card-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.newsc-card .card-body h4 a { color: var(--text); }
.newsc-card .card-body h4 a:hover { color: var(--primary); }
.newsc-card .card-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.newsc-card .card-body .card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.newsc-card .card-body .card-footer time { font-size: 12px; color: var(--text-lighter); }
.newsc-card .card-body .card-footer .more { font-size: 12px; color: var(--primary); font-weight: 500; }

@media (max-width: 1024px) { .newsc-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) { .newsc-grid { grid-template-columns: 1fr; } }

.feedback-wrap {margin: 0 auto; }

.feedback-intro { text-align: center; margin-bottom: 40px; }
.feedback-intro h2 { font-size: 32px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.feedback-intro .subtitle { font-size: 15px; color: var(--text-light); letter-spacing: 3px; text-transform: uppercase; }
.feedback-intro .divider { width: 50px; height: 3px; background: var(--primary); margin: 16px auto 0; border-radius: 2px; }

.feedback-form { background: var(--white); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14px; font-weight: 500; color: var(--text); }
.form-group input, .form-group textarea {
    padding: 14px 16px; border: 2px solid var(--border); border-radius: var(--radius-sm);
    font-size: 15px; outline: none; transition: var(--transition); background: #fafbfc;
    resize: vertical;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 3px rgba(20,103,179,.1); }
.form-group textarea { min-height: 140px; }
.form-group .error-msg { font-size: 12px; color: #e74c3c; display: none; }

.submit-btn {
    width: 100%; padding: 14px; background: var(--primary); color: var(--white);
    border: none; border-radius: 25px; font-size: 16px; font-weight: 600;
    cursor: pointer; transition: var(--transition); letter-spacing: 2px;
}
.submit-btn:hover { background: var(--primary-dark); box-shadow: 0 6px 20px rgba(20,103,179,.35); transform: translateY(-2px); }

@media (max-width: 640px) {
    .form-row { grid-template-columns: 1fr; }
    .feedback-form { padding: 20px; }
    .feedback-intro h2 { font-size: 24px; }
}
.detail-wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 10px; }
.detail-top { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-bottom: 50px; }
.detail-gallery { position: relative; }
.detail-gallery .main-img { border-radius: var(--radius); overflow: hidden; background: #f0f4f8; }
.detail-gallery .main-img img { width: 100%; aspect-ratio: 1.1/1; object-fit: cover; display: block; }

.detail-info { display: flex; flex-direction: column; justify-content: center; }
.detail-info h2 { font-size: 28px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.detail-info .tag-row { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.detail-info .tag { padding: 4px 12px; background: var(--primary-lighter); color: var(--primary); border-radius: 20px; font-size: 12px; }
.detail-info .divider { width: 60px; height: 3px; background: var(--primary); border-radius: 2px; margin-bottom: 20px; }
.detail-info .params { margin-bottom: 24px; }
.detail-info .params h4 { font-size: 16px; font-weight: 600; margin-bottom: 12px; color: var(--text); }
.detail-info .params p { font-size: 15px; color: var(--text-light); line-height: 1.9; }
.detail-info .btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-outline {
    display: inline-block; padding: 11px 28px; border: 2px solid var(--primary);
    color: var(--primary); border-radius: 25px; font-size: 14px; font-weight: 500;
    transition: var(--transition); text-align: center;
}
.btn-outline:hover { background: var(--primary); color: var(--white); }

.detail-body { display: grid; grid-template-columns: 1fr 2.5fr; gap: 40px; margin-top: 40px; }
.detail-sidebar h4 { font-size: 18px; font-weight: 600; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); }
.detail-sidebar .recommend-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.detail-sidebar .recommend-list a {
    display: block; background: var(--white); border-radius: var(--radius-sm); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition);
}
.detail-sidebar .recommend-list a:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.detail-sidebar .recommend-list img { width: 100%; aspect-ratio: 1.1/1; object-fit: cover; }
.detail-sidebar .recommend-list p { padding: 8px; font-size: 13px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.detail-main h4 { font-size: 18px; font-weight: 600; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); }
.detail-main article { background: var(--white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); line-height: 2; font-size: 15px; color: var(--text); }
.detail-main article img { max-width: 100%; border-radius: var(--radius-sm); margin: 12px 0; }

@media (max-width: 768px) {
    .detail-top { grid-template-columns: 1fr; gap: 24px; }
    .detail-body { grid-template-columns: 1fr; }
    .detail-info h2 { font-size: 22px; }
    .detail-sidebar .recommend-list { grid-template-columns: 1fr 1fr; }
    .detail-main article { padding: 16px; font-size: 14px; }
}

.articledd-wrap { max-width: 1300px; margin: 0 auto; padding:0 10px;}
.articledd-header { text-align: center; margin-bottom: 30px; }
.articledd-header h1 { font-size: 28px; font-weight: 700; line-height: 1.4; margin-bottom: 12px; }
.articledd-meta { display: flex; justify-content: center; gap: 20px; font-size: 13px; color: var(--text-lighter); flex-wrap: wrap; }
.articledd-meta span { display: flex; align-items: center; gap: 4px; }

.articledd-content {
    background: var(--white); border-radius: var(--radius); padding: 40px;
    box-shadow: var(--shadow); font-size: 16px; line-height: 2; color: var(--text);
}
.articledd-content img { max-width: 100%; border-radius: var(--radius-sm); margin: 16px 0; }
.articledd-content p { margin-bottom: 16px; }

.articledd-nav { display: flex; justify-content: space-between; margin-top: 30px; gap: 12px; }
.articledd-nav a {
    flex: 1; padding: 16px 20px; background: var(--white); border-radius: var(--radius);
    box-shadow: var(--shadow); font-size: 14px; color: var(--text); transition: var(--transition);
    display: flex; align-items: center; gap: 8px;
}
.articledd-nav a:hover { color: var(--primary); box-shadow: var(--shadow-lg); }
.articledd-nav a.prev::before { content: '←'; color: var(--primary); }
.articledd-nav a.next::after { content: '→'; color: var(--primary); }
.articledd-nav a.next { text-align: right; justify-content: flex-end; }

@media (max-width: 768px) {
    .articledd-header h1 { font-size: 20px; }
    .articledd-content { padding: 20px; font-size: 15px; }
    .articledd-nav { flex-direction: column; }
}
.newsca-list { display: flex; flex-direction: column; gap: 20px; }
.newsca-item {
    display: flex; gap: 20px; background: var(--white); padding: 20px;
    border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition);
}
.newsca-item:hover { transform: translateX(6px); box-shadow: var(--shadow-lg); }
.newsca-item .newsca-img { flex-shrink: 0; width: 200px; aspect-ratio: 4/3; border-radius: var(--radius-sm); overflow: hidden; }
.newsca-item .newsca-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.newsca-item:hover .newsca-img img { transform: scale(1.06); }
.newsca-item .newsca-info { flex: 1; min-width: 0; }
.newsca-item .newsca-info h4 { font-size: 17px; font-weight: 600; margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.newsca-item .newsca-info h4 a { color: var(--text); }
.newsca-item .newsca-info h4 a:hover { color: var(--primary); }
.newsca-item .newsca-info p { font-size: 14px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.newsca-item .newsca-info .meta { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; }
.newsca-item .newsca-info .meta time { font-size: 12px; color: var(--text-lighter); }
.newsca-item .newsca-info .meta .more { font-size: 12px; color: var(--primary); font-weight: 500; }

@media (max-width: 768px) {
    .newsca-item { flex-direction: column; }
    .newsca-item .newsca-img { width: 100%; }
}
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.case-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition); position: relative;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.case-card .card-img { overflow: hidden; aspect-ratio: 4/3; }
.case-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card:hover .card-img img { transform: scale(1.06); }
.case-card .card-date {
    position: absolute; top: 16px; left: 16px;
    background: var(--primary); color: var(--white); padding: 6px 14px;
    border-radius: 20px; font-size: 13px; font-weight: 500; z-index: 2;
}
.case-card .card-content { padding: 20px; }
.case-card .card-content h4 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.case-card .card-content h4 a { color: var(--text); }
.case-card .card-content h4 a:hover { color: var(--primary); }
.case-card .card-content p { font-size: 13px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.case-card .card-content .more-link { color: var(--primary); font-size: 13px; font-weight: 500; }
.case-card .card-content .more-link:hover { text-decoration: underline; }

@media (max-width: 1024px) { .case-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) { .case-grid { grid-template-columns: 1fr; } }
/* Banner轮播图 */
.banner-wrapper {
  position: relative;
  width: 100%;
  margin: 0 auto 5px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  background: #1a1a2e;
}

.banner-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-item {
  min-width: 100%;
  position: relative;
  /* 宽度100%，高度自适应 */
  display: block;
}

.banner-item a {
  display: block;
  width: 100%;
}

.banner-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s ease;
}

/* 渐变遮罩 */
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 40%,
    rgba(0, 0, 0, 0.3) 70%,
    rgba(0, 0, 0, 0.7) 100%
  );
  display: flex;
  align-items: flex-end;
}

.banner-content {
  padding: 40px 50px;
  width: 100%;
  max-width: 800px;
}

.banner-title {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s ease 0.2s;
}

.banner-item.active .banner-title {
  opacity: 1;
  transform: translateY(0);
}

/* 导航点 */
.banner-indicators {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.banner-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.banner-indicator:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: scale(1.2);
}

.banner-indicator.active {
  width: 32px;
  border-radius: 10px;
  background-color:#105da2;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

/* 左右箭头 */
.banner-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(160, 160, 160, 0.45);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 10;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.banner-nav svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  transition: transform 0.3s ease;
}

.banner-wrapper:hover .banner-nav {
  opacity: 1;
}

.banner-nav:hover {
  background: rgba(16, 93, 163, 0.8);
  transform: translateY(-50%) scale(1.1);
}

.banner-nav:hover svg {
  transform: scale(1.1);
}

.banner-prev {
  left: 20px;
}

.banner-prev:hover svg {
  transform: translateX(-2px);
}

.banner-next {
  right: 20px;
}

.banner-next:hover svg {
  transform: translateX(2px);
}

/* 进度条 */
.banner-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 10;
}

.banner-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #39beff, #00d4ff);
  transition: width 0.1s linear;
}

.banner-wrapper:hover .banner-progress-bar {
  opacity: 0.7;
}

/* 分页数字 */
.banner-pagination {
  position: absolute;
  bottom: 20px;
  right: 30px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  z-index: 10;
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 14px;
  border-radius: 20px;
  backdrop-filter: blur(5px);
}

.banner-pagination .current {
  font-size: 18px;
  font-weight: 700;
}

/* 响应式 */
@media (max-width: 1024px) {
  .banner-title {
    font-size: 1.6rem;
  }
  
  .banner-content {
    padding: 30px 40px;
  }
}

@media (max-width: 768px) {
  
  .banner-title {
    font-size: 1.2rem;
  }
  
  .banner-content {
    padding: 20px 25px;
  }
  .banner-pagination{display:none;}
  .banner-nav {
    width: 44px;
    height: 44px;
    opacity: 1;
  }
  
  .banner-prev {
    left: 10px;
  }
  
  .banner-next {
    right: 10px;
  }
  
  .banner-indicators {
    bottom: 15px;
    gap: 8px;
  }
  
  .banner-indicator {
    width: 8px;
    height: 8px;
  }
  
  .banner-indicator.active {
    width: 24px;
  }
}

@media (max-width: 480px) {
  .banner-title {
    font-size: 1rem;
  }
  
  .banner-content {
    padding: 15px 20px;
  }
}