/* ============================================
   谋成地坪 - 全新设计CSS（完全替代老DedeCMS CSS）
   现代化、简洁、专业
   ============================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Microsoft YaHei","PingFang SC","Helvetica Neue",sans-serif;
    color: #333;
    line-height: 1.6;
    background: #f5f7fa;
    min-width: 1200px;
}
a { color: #1a73e8; text-decoration: none; }
a:hover { color: #0d47a1; }
img { max-width: 100%; display: block; }
ul, li { list-style: none; }

.w1200 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============ 顶部头部 ============ */
.header_main {
    background: #f0f2f5;
    border-bottom: 1px solid #e1e4e8;
    font-size: 13px;
    color: #666;
    line-height: 36px;
}
.header_main .w1200 {
    display: flex; justify-content: space-between; align-items: center;
}
.ksdh { display: flex; gap: 16px; }
.ksdh a { color: #666; }
.ksdh a:hover { color: #1a73e8; }
.split { color: #ddd; }

.top_main {
    background: #fff;
    padding: 18px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.top_main .w1200 {
    display: flex; justify-content: space-between; align-items: center;
}
.logo img { height: 56px; }
.toprig {
    display: flex; gap: 30px; align-items: center;
}
.toprig .item {
    text-align: center; padding: 0 18px;
    border-right: 1px solid #eee;
}
.toprig .item:last-child { border: none; }
.toprig h3 {
    font-size: 16px; color: #1a365d; margin-bottom: 4px;
    font-weight: bold;
}
.toprig p { font-size: 13px; color: #999; }
.toprig .it4 { text-align: right; }
.toprig .it4 i {
    font-style: normal; font-size: 13px; color: #666;
}
.toprig .it4 h4.tel {
    font-size: 28px; color: #e74c3c; font-weight: bold;
    margin-top: 4px;
}

/* ============ 导航栏 ============ */
.nav_main {
    background: linear-gradient(180deg, #0d9488 0%, #0a7568 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: relative;
    z-index: 100;
}
.nav_main .navlist {
    display: flex;
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}
.nav_main .navlist > li {
    position: relative;
    display: flex;
    align-items: center;
}
.nav_main .navlist > li:not(:last-child)::after {
    content: '|';
    color: rgba(255,255,255,0.4);
    font-size: 18px;
    font-weight: 300;
    user-select: none;
}
.navlist li {
    position: relative;
}
.navlist > li > a {
    display: block;
    padding: 0 40px;
    line-height: 50px;
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 2px;
    transition: background 0.2s;
}
.navlist > li:hover > a,
.navlist > li.hover > a {
    background: #fadd15;
    color: #1a365d;
    font-weight: bold;
}

/* 二级菜单 - 常驻显示但默认不展开（鼠标悬停才展开） */
.navlist .subnav {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 0 0 4px 4px;
    z-index: 999;
    display: none;
    opacity: 0;
    padding: 8px 0;
    transform: translateY(-5px);
    transition: opacity 0.2s, transform 0.2s;
}
.navlist > li:hover > .subnav {
    display: block;
    opacity: 1;
    transform: translateY(0);
}
.navlist .subnav a {
    display: block;
    width: 100%;
    clear: both;
    box-sizing: border-box;
    white-space: nowrap;
    padding: 10px 20px;
    color: #333;
    font-size: 14px;
    line-height: 1.5;
    border-bottom: 1px solid #f5f5f5;
}
.navlist .subnav a:last-child { border: none; }
.navlist .subnav a:hover {
    background: #f0f7ff;
    color: #1a73e8;
    padding-left: 24px;
}

/* ============ 横幅幻灯片 ============ */
#banner_main {
    height: 480px;
    background: #1a365d;
    overflow: hidden;
    position: relative;
    width: 100%;
}
#banner img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}
.banner-inner {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.banner-slide {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
}
.banner-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.05) 100%);
}
.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    text-align: center;
    z-index: 2;
}
.banner-text h2 {
    font-size: 48px;
    margin-bottom: 16px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    font-weight: bold;
}
.banner-text p {
    font-size: 20px;
    opacity: 0.95;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}
.banner-tip {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 14px;
    z-index: 2;
}

/* ============ 首页轮播大图（图片轮播） ============ */
.banner-carousel {
    position: relative;
    height: 480px;
    overflow: hidden;
    background: #1a365d;
}
.banner-carousel .banner-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}
.banner-carousel .banner-slide.active {
    opacity: 1;
}
.banner-carousel .banner-text {
    z-index: 4;
}
.banner-dots {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    gap: 10px;
}
.banner-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s;
}
.banner-dots span.active {
    background: #e74c3c;
}

/* ============ 内容区块 ============ */
.section {
    padding: 60px 0;
    background: #fff;
}
.section.gray {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 30%, transparent 70%, rgba(255,255,255,0.05) 100%),
        linear-gradient(225deg, rgba(255,255,255,0.06) 0%, transparent 50%),
        linear-gradient(180deg, #1a365d 0%, #2d5a8e 50%, #1a365d 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.section.gray::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(45deg, transparent 0, transparent 60px, rgba(255,255,255,0.03) 60px, rgba(255,255,255,0.03) 120px);
    pointer-events: none;
}
.section.gray > * { position: relative; z-index: 1; }
.section.gray .section-title h3 { color: #fff; }
.section.gray .section-title h3 b { color: #ffd54f; }
.section.gray .section-title p { color: rgba(255,255,255,0.85); }
.section.gray .flow-step { background: rgba(255,255,255,0.96); }
.section.gray .flow-step h4 { color: #1a365d; }
.section.gray .flow-step p { color: #888; }
.section.gray .flow-step .icon { background: linear-gradient(135deg, #2d5a8e, #1a365d); }
.section.gray .flow-arrow { color: #ffd54f; opacity: 1; }

.section-title {
    text-align: center;
    margin-bottom: 40px;
}
.section-title h3 {
    font-size: 32px;
    color: #1a365d;
    margin-bottom: 12px;
    font-weight: bold;
}
.section-title h3 b {
    color: #e74c3c;
}
.section-title p {
    font-size: 15px;
    color: #888;
    max-width: 700px;
    margin: 0 auto;
}

/* ============ 产品/案例/新闻 九宫格 ============ */
.grid-3x3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.grid-3x3 .item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}
.grid-3x3 .item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.grid-3x3 .img-box {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #f0f0f0;
}
.grid-3x3 .img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.grid-3x3 .item:hover .img-box img {
    transform: scale(1.05);
}
.grid-3x3 .info {
    padding: 16px 20px;
}
.grid-3x3 .info h3 {
    font-size: 18px;
    color: #1a365d;
    margin-bottom: 8px;
    font-weight: bold;
    text-align: center;
}
.grid-3x3 .info h3 a {
    text-align: center;
    display: inline-block;
}
.grid-3x3 .info p {
    color: #888;
    font-size: 14px;
    line-height: 1.6;
}
.grid-3x3 .info .meta {
    color: #aaa;
    font-size: 12px;
    margin-top: 8px;
}
.grid-3x3 .more-card {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a365d, #2d5a8e);
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    min-height: 100%;
}
.grid-3x3 .more-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    background: linear-gradient(135deg, #2d5a8e, #1a365d);
}
.grid-3x3 .more-card .more-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.grid-3x3 .more-card .more-inner span:first-child { font-size: 22px; }
.grid-3x3 .more-card .more-inner span:last-child { font-size: 14px; opacity: 0.9; }

/* ============ 关于我们（about.html）============ */
.about-hero {
    background: linear-gradient(135deg, #1a365d 0%, #244c84 60%, #2d5a8e 100%);
    color: #fff;
    padding: 36px 32px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 4px 18px rgba(26, 54, 93, 0.18);
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 90% 0%, rgba(255, 255, 255, 0.10) 0, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(255, 255, 255, 0.06) 0, transparent 35%);
    pointer-events: none;
}
.about-hero-brand {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    position: relative;
}
.about-hero-sub {
    font-size: 14px;
    opacity: 0.92;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
}
.about-hero-text {
    font-size: 15px;
    line-height: 1.95;
    opacity: 0.96;
    text-indent: 2em;
    position: relative;
}

/* 业务范围小节 */
.about-section {
    margin-bottom: 30px;
}
.about-section-title {
    color: #1a365d;
    font-size: 19px;
    font-weight: bold;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1a365d;
    position: relative;
}
.about-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #1a365d, #5b9bd5);
}
.about-para {
    font-size: 15px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 12px;
    text-indent: 2em;
}
.about-para:last-child { margin-bottom: 0; }
.about-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.about-service-tag {
    background: #f5f7fa;
    border: 1px solid #d0d7e2;
    color: #1a365d;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
    text-align: center;
}
.about-service-tag:hover {
    background: #1a365d;
    color: #fff;
    border-color: #1a365d;
    transform: translateY(-1px);
}

/* 经营理念引用块 */
.about-philosophy {
    background: linear-gradient(135deg, #f5f7fa 0%, #eef3f9 100%);
    padding: 24px 28px;
    border-radius: 8px;
    border-left: 4px solid #1a365d;
}
.about-quote {
    margin: 0;
    padding: 0;
    color: #333;
    font-size: 15px;
    line-height: 1.95;
    text-indent: 2em;
    position: relative;
}

/* 服务范围条 */
.about-coverage {
    background: #fff;
    border: 1px solid #e0e6ed;
    border-radius: 6px;
    padding: 16px 20px;
    color: #333;
    font-size: 15px;
    line-height: 1.9;
    position: relative;
    padding-left: 56px;
}
.about-coverage::before {
    content: '📍';
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 22px;
}

/* 核心精神 4 卡 */
.about-spirit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.about-spirit-card {
    background: linear-gradient(135deg, #1a365d 0%, #2d5a8e 100%);
    color: #fff;
    border-radius: 8px;
    padding: 32px 14px;
    text-align: center;
    box-shadow: 0 4px 14px rgba(26, 54, 93, 0.18);
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.about-spirit-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.18) 0, transparent 60%);
    pointer-events: none;
}
.about-spirit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 22px rgba(26, 54, 93, 0.28);
}
.about-spirit-word {
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 6px;
    position: relative;
    text-indent: 6px;
}

/* 响应式 */
@media (max-width: 900px) {
    .about-services-grid { grid-template-columns: repeat(2, 1fr); }
    .about-spirit-grid { grid-template-columns: repeat(2, 1fr); }
    .about-hero { padding: 24px 20px; }
    .about-hero-brand { font-size: 22px; }
}
@media (max-width: 500px) {
    .about-services-grid { grid-template-columns: 1fr; }
    .about-spirit-grid { grid-template-columns: 1fr 1fr; }
    .about-coverage { padding-left: 20px; }
    .about-coverage::before { display: none; }
    .about-spirit-word { font-size: 22px; letter-spacing: 4px; }
}

/* ============ 服务流程 ============ */
.flow-steps {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-top: 40px;
}
.flow-step {
    background: #fff;
    padding: 24px 12px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    flex: 1;
    transition: all 0.3s;
}
.flow-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}
.flow-step .icon {
    width: 60px; height: 60px; margin: 0 auto 12px;
    background: linear-gradient(135deg, #1a365d, #2d5a8e);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
}
.flow-step h4 {
    font-size: 15px; color: #1a365d; font-weight: bold; margin-bottom: 4px;
}
.flow-step p { color: #888; font-size: 13px; }
/* 箭头 */
.flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    flex-shrink: 0;
    color: #1a365d;
    font-size: 32px;
    font-weight: bold;
    opacity: 0.4;
}

/* ============ 咨询条 ============ */
.cta-bar {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 30%, transparent 70%, rgba(255,255,255,0.08) 100%),
        linear-gradient(180deg, #1a365d 0%, #2d5a8e 50%, #1a365d 100%);
    color: #fff;
    padding: 30px 0;
    position: relative;
    overflow: hidden;
}
.cta-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(45deg, transparent 0, transparent 60px, rgba(255,255,255,0.04) 60px, rgba(255,255,255,0.04) 120px);
    pointer-events: none;
}
.cta-bar > * { position: relative; z-index: 1; }
.cta-bar .w1200 {
    display: flex; align-items: center; justify-content: space-between;
}
.cta-bar .text {
    flex: 1;
}
.cta-bar h3 { font-size: 24px; margin-bottom: 6px; }
.cta-bar p { font-size: 14px; opacity: 0.9; }
.cta-bar .phone {
    font-size: 32px; font-weight: bold;
    margin: 0 30px;
}
.cta-bar .btn {
    background: #e74c3c;
    color: #fff;
    padding: 14px 36px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s;
}
.cta-bar .btn:hover { background: #c0392b; color: #fff; }

/* ============ 关于我们区块 ============ */
.about-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: center;
    padding: 0;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.about-block .text { color: #333; }
.about-block .text h3 { color: #1a365d; }
.about-block .text h3 {
    font-size: 28px; color: #1a365d; margin-bottom: 16px;
}
.about-block .text p {
    font-size: 15px; line-height: 1.8; color: #555;
    margin-bottom: 12px;
    text-indent: 2em;
}
.about-block .text .more {
    display: inline-block;
    margin-top: 16px;
    padding: 10px 24px;
    background: #1a365d;
    color: #fff;
    border-radius: 4px;
    transition: background 0.2s;
}
.about-block .text .more:hover { background: #0d47a1; color: #fff; }
.about-block .img {
    width: 100%;
    min-height: 360px;
    height: 100%;
    display: block;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
}
.about-block .img img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; display: block; border-radius: 0; box-shadow: none; }
.about-block .text {
    background: transparent;
    padding: 36px 40px;
    border-radius: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ============ 案例展示（首页用） ============ */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.case-grid .item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: #f0f0f0;
    aspect-ratio: 4/3;
}
.case-grid .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.case-grid .item:hover img { transform: scale(1.08); }
.case-grid .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    opacity: 0;
    transition: opacity 0.3s;
}
.case-grid .item:hover .overlay { opacity: 1; }

/* ============ 标签分类 ============ */
.tab-categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f0fe 100%);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
}
.tab-categories a {
    padding: 10px 24px;
    border: 1px solid #d0d7e2;
    border-radius: 24px;
    color: #1a365d;
    font-size: 15px;
    font-weight: 600;
    background: #fff;
    transition: all 0.2s;
    text-decoration: none;
}
.tab-categories a:hover,
.tab-categories a.active {
    background: #1a365d;
    color: #fff;
    border-color: #1a365d;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,54,93,0.2);
}

/* ============ 列表页面 (产品/案例/新闻 内页) ============ */
.crumb {
    background: #f0f2f5;
    padding: 12px 0;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #e1e4e8;
}
.crumb a { color: #666; }
.crumb a:hover { color: #1a73e8; }
.crumb .current { color: #1a365d; font-weight: bold; }

.subpage {
    padding: 40px 0;
    min-height: 60vh;
}
.subpage .layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 30px;
}
.side-nav {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    height: fit-content;
}
.side-nav .title {
    background: linear-gradient(135deg, #1a365d 0%, #2d5a8e 100%);
    color: #fff;
    padding: 18px 24px;
    font-size: 18px;
    font-weight: bold;
}
.side-nav ul li {
    display: block;
    width: 100%;
    box-sizing: border-box;
}
.side-nav ul li a {
    display: block;
    padding: 14px 24px;
    color: #333;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s;
}
.side-nav ul li:last-child a { border: none; }
.side-nav ul li a:hover,
.side-nav ul li.hover a {
    background: #f0f7ff;
    color: #1a73e8;
    padding-left: 30px;
}
.side-nav ul li a::before {
    content: '▸';
    margin-right: 8px;
    color: #1a73e8;
}

.content-area {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    min-height: 500px;
}
.content-area .page-title {
    border-bottom: 2px solid #1a365d;
    padding-bottom: 12px;
    margin-bottom: 24px;
    font-size: 22px;
    color: #1a365d;
    font-weight: bold;
}

/* ============ 联系我们页面 ============ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}
.contact-info {
    background: linear-gradient(135deg, #1a365d 0%, #2d5a8e 100%);
    color: #fff;
    padding: 36px;
    border-radius: 8px;
}
.contact-info h3 { font-size: 22px; margin-bottom: 24px; }
.contact-info .item {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; gap: 12px;
}
.contact-info .item:last-child { border: none; }
.contact-info .item .icon {
    width: 32px; height: 32px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.contact-info .item .label { font-size: 13px; opacity: 0.8; display: block; }
.contact-info .item .value { font-size: 16px; font-weight: bold; }
.contact-info .item .value.big { font-size: 26px; color: #ffd54f; }

.map-container {
    border-radius: 8px;
    overflow: hidden;
    height: 100%;
    min-height: 380px;
    background: #f0f0f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ============ 灯箱（图片放大） ============ */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.lightbox.active { display: flex; }
.lightbox .lb-wrap {
    width: 800px;
    height: 600px;
    max-width: 90vw;
    max-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    border-radius: 4px;
    overflow: hidden;
}
.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
.lightbox .close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    line-height: 1;
    user-select: none;
}
.lightbox .caption {
    max-width: 800px;
    width: 90vw;
    margin-top: 16px;
    color: #fff;
    font-size: 15px;
    line-height: 1.6;
    text-align: center;
    padding: 10px 20px;
    background: rgba(0,0,0,0.6);
    border-radius: 4px;
}

/* 分页 */
.pager {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 4px;
    margin-top: 28px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* 无论被 append 到几列 grid，都强制分页条自己占满整行，不再被当成 grid item 塞到右侧 */
    grid-column: 1 / -1;
}
.pager-info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 70px;
    height: 34px;
    padding: 0 8px;
    background: #f5f7fa;
    border: 1px solid #d0d7e2;
    color: #1a365d;
    border-radius: 4px;
    font-size: 13px;
    user-select: none;
    flex: 0 0 auto;
}
.pager a.prev.disabled,
.pager a.next.disabled {
    display: none;
}
.pager::-webkit-scrollbar {
    display: none;
}
.pager a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 6px;
    background: #fff;
    border: 1px solid #d0d7e2;
    color: #1a365d;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    cursor: pointer;
    user-select: none;
    flex: 0 0 auto;
}
.pager a.active,
.pager a:hover:not(.disabled) {
    background: #1a365d;
    color: #fff;
    border-color: #1a365d;
}
.pager a.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background: #f5f7fa;
    color: #9aa3b2;
    border-color: #e2e6ed;
}
.pager a.prev,
.pager a.next {
    font-size: 13px;
    min-width: 36px;
    letter-spacing: 0;
}
.pager a.pager-ellipsis {
    background: transparent;
    border-color: transparent;
    color: #1a365d;
    letter-spacing: 1px;
    cursor: pointer;
}
.pager a.pager-ellipsis:hover {
    background: #f5f7fa;
    border-color: #d0d7e2;
    color: #1a365d;
}

/* ============ 底部 ============ */
.footer_main {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 30%, transparent 70%, rgba(255,255,255,0.04) 100%),
        linear-gradient(180deg, #1a365d 0%, #244c84 50%, #1a365d 100%);
    color: #fff;
    padding: 40px 0 0;
    position: relative;
    overflow: hidden;
}
.footer_main::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(45deg, transparent 0, transparent 80px, rgba(255,255,255,0.025) 80px, rgba(255,255,255,0.025) 160px);
    pointer-events: none;
}
.footer_main > * { position: relative; z-index: 1; }
.footer_main .w1200 {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer_main h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: #ffd54f;
}
.footer_main ul li {
    padding: 4px 0;
    font-size: 14px;
}
.footer_main ul li a { color: rgba(255,255,255,0.8); }
.footer_main ul li a:hover { color: #ffd54f; text-decoration: none; }
.footer_main .contact-block { line-height: 1.8; font-size: 14px; }
.footer_main .contact-block .tel-big {
    font-size: 24px; color: #ffd54f; font-weight: bold; margin: 6px 0;
}
.footer-products { display: flex; flex-direction: column; gap: 8px; }
.footer-products li { width: 100%; }
.footer-products li a { display: inline-block; color: rgba(255,255,255,0.85); font-size: 14px; }
.footer-products li a:hover { color: #ffd54f; }
.footer-products .footer-more { margin-top: 6px; }
.footer-products .footer-more a {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: all 0.2s ease;
}
.footer-products .footer-more a:hover {
    background: #ffd54f;
    border-color: #ffd54f;
    color: #1a365d;
}

.copyright_main {
    background: #122540;
    color: rgba(255,255,255,0.6);
    padding: 16px 0;
    text-align: center;
    font-size: 13px;
    margin-top: 0;
}
.copyright_main a { color: rgba(255,255,255,0.6); }

/* ============ 隐藏所有不需要的老元素 ============ */
.float-right-box,
.float-left-box,
.float_kefu,
.floatKF,
[class*="float_kf"],
[class*="float-kf"],
[class*="sidekf"],
[class*="kefu_box"],
.kefu,
.kfbox,
#floatKF,
#sidekf,
.bot-share,
.bdsharebuttonbox,
a[href*="baidu.com/s/"],
img[src*="icon.png"],
img[src*="navbg.jpg"],
img[src*="nav_line.png"],
img[src*="jtou.png"] {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
}

/* 移除404背景图（防止显示破图） */
body, .xunpan, [class*="floor_"], [class*="iabout"] {
    background-image: none !important;
}

/* 立即咨询按钮 - 防止闪动 */
.xunpan a, .xunpan .zixun, .xunpan .zixun a {
    transition: none !important;
    animation: none !important;
}

/* ============ 产品详情页 ============ */
.product-detail {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 32px;
    align-items: start;
    margin-bottom: 24px;
}
.product-detail .product-image {
    cursor: pointer;
    text-align: center;
}
.product-detail .product-image img {
    width: 100%;
    max-width: 360px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.product-detail .product-desc {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    body { min-width: auto; overflow-x: hidden; }
    .w1200 { padding: 0 12px; max-width: 100vw; }
    
    /* 顶部信息栏隐藏 */
    .header_main { display: none; }
    
    /* Logo区手机适配：隐藏三个小卖点，只保留电话 */
    .top_main { padding: 12px 0; }
    .top_main .w1200 { display: flex; flex-direction: column; align-items: center; gap: 8px; }
    .top_main .logo { margin-bottom: 0; }
    .top_main .logo img { max-height: 42px; }
    .toprig { width: 100%; gap: 0; justify-content: center; }
    .toprig .item { display: none; }
    .toprig .item.it4 { display: block; flex: 0 0 auto; text-align: center; border: none; padding: 0; }
    .toprig .it4 i { font-size: 12px; color: #666; }
    .toprig .it4 h4.tel { font-size: 22px; margin-top: 2px; }
    
    /* 导航栏手机适配：确保从左开始滚动，让「网站首页」可见 */
    .nav_main { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .nav_main .navlist { flex-wrap: nowrap; white-space: nowrap; min-width: auto; justify-content: flex-start; }
    .nav_main .navlist > li { flex: 0 0 auto; }
    .nav_main .navlist > li > a { padding: 0 12px; font-size: 13px; line-height: 40px; letter-spacing: 0; }
    .nav_main .navlist > li:not(:last-child)::after { font-size: 11px; }
    .navlist .subnav { display: none !important; }
    
    /* 轮播图：覆盖桌面 #banner_main 的 480px 高度，消除下方空白 */
    #banner_main,
    #banner_main.banner-carousel,
    .banner-carousel { height: 200px; }
    #banner_main .banner-slide,
    .banner-carousel .banner-slide { height: 200px; background-size: cover !important; }
    .banner-text h2 { font-size: 24px; }
    .banner-text p { font-size: 14px; }
    
    /* 通用 section */
    .section { padding: 28px 0; }
    .section-title { margin-bottom: 20px; }
    .section-title h3 { font-size: 20px; }
    .section-title h3 b { font-size: 22px; }
    .section-title p { font-size: 13px; max-width: 100%; padding: 0 8px; }
    
    /* 产品分类tab：横向滚动，不换行 */
    .tab-categories { justify-content: flex-start; gap: 8px; padding: 10px; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .tab-categories::-webkit-scrollbar { display: none; }
    .tab-categories a { flex: 0 0 auto; padding: 6px 14px; font-size: 13px; }
    
    /* 产品/案例/新闻 网格统一单列 */
    .grid-3x3 { grid-template-columns: 1fr; gap: 16px; }
    .grid-3x3 .item .img-box { height: auto; aspect-ratio: 16/10; }
    .grid-3x3 .item .info h3 { font-size: 16px; }
    .grid-3x3 .item .info p { font-size: 13px; }
    .grid-3x3 .more-card { min-height: 80px; font-size: 16px; }
    
    /* 案例网格单列 */
    .case-grid { grid-template-columns: 1fr; gap: 16px; }
    .case-grid .item { aspect-ratio: 16/10; }
    
    /* 服务流程：两列自适应 */
    .flow-steps { flex-wrap: wrap; gap: 10px; }
    .flow-step { flex: 1 1 45%; min-width: 140px; padding: 16px 8px; }
    .flow-step .icon { width: 44px; height: 44px; font-size: 18px; }
    .flow-step h4 { font-size: 13px; }
    .flow-step p { font-size: 11px; }
    .flow-arrow { display: none; }
    
    /* 关于我们 - 堆叠 */
    .about-block { grid-template-columns: 1fr; gap: 0; }
    .about-block .text { padding: 24px 16px; }
    .about-block .text h3 { font-size: 20px; }
    .about-block .text p { font-size: 14px; }
    .about-block .text .more { padding: 8px 24px; font-size: 14px; }
    .about-block .img { min-height: 200px; max-height: 260px; }
    .about-block .img img { min-height: 200px; max-height: 260px; }
    
    /* CTA条 */
    .cta-bar { padding: 20px 0; }
    .cta-bar .w1200 { flex-direction: column; text-align: center; gap: 10px; }
    .cta-bar h3 { font-size: 17px; }
    .cta-bar p { font-size: 13px; }
    .cta-bar .phone { font-size: 24px; margin: 0; }
    .cta-bar .btn { font-size: 15px; padding: 10px 24px; }
    
    /* 子页面布局 - 侧边栏隐藏 */
    .subpage .layout { grid-template-columns: 1fr; gap: 0; }
    .side-nav { display: none; }
    .subpage .layout .content { padding: 0; }
    
    /* 联系方式 */
    .contact-grid { grid-template-columns: 1fr; gap: 16px; }
    .contact-block .item { flex-direction: column; text-align: center; }
    .contact-block .icon { font-size: 28px; margin: 0 0 8px 0; }
    
    /* 地图容器 */
    .map-container { min-height: 240px; }
    
    /* 页脚：单列居中 */
    .footer_main { padding: 28px 0 0; }
    .footer_main .w1200 { grid-template-columns: 1fr; gap: 24px; text-align: center; }
    .footer_main h4 { font-size: 15px; margin-bottom: 12px; }
    .footer_main ul li a { font-size: 13px; }
    .footer_main .contact-block { line-height: 1.8; }
    .footer_main .contact-block .tel-big { font-size: 22px; }
    .footer-products { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 8px 16px; max-height: none; }
    .footer-products li { width: auto; }
    .footer-products .footer-more { margin-top: 8px; flex: 1 1 100%; }
    
    /* 面包屑 */
    .crumb { font-size: 12px; padding: 8px 0; }
    
    /* 轮播图指示器 */
    .banner-dots { bottom: 10px; }
    .banner-dots span { width: 8px; height: 8px; }
    
    /* 网站地图 */
    .sitemap-grid { grid-template-columns: 1fr; }
    .sitemap-card { padding: 16px; }
    
    /* 表单 */
    .message-form { padding: 20px; }
    .message-form .form-row { grid-template-columns: 1fr; }
    
    /* 文章内容 */
    .article-body { font-size: 14px; padding: 0; }
    .article-body h2 { font-size: 18px; }
    .article-body h3 { font-size: 16px; }
    
    /* 分页 */
    .pager { gap: 3px; margin-top: 18px; padding-left: 46px; }
    .pager a { min-width: 30px; height: 30px; padding: 0 5px; font-size: 13px; }
    .pager a.prev,
    .pager a.next { min-width: 32px; }
    .pager-info { min-width: 60px; height: 30px; font-size: 12px; }
    
    /* 产品详情页 */
    .product-detail { grid-template-columns: 1fr !important; gap: 20px; }
    .product-detail .product-image img { max-width: 100%; }
    .prod-detail { grid-template-columns: 1fr; }
    .prod-detail .prod-img { max-height: 240px; }
    
    /* 悬浮按钮手机端避让优化 */
    body .wechat-float { top: 35%; transform: translateY(0); }
    body .wechat-tab { padding: 10px 8px; min-width: 38px; border-radius: 0 20px 20px 0; }
    body .wechat-tab span:last-child { letter-spacing: 1px; font-size: 12px; }
    body .wechat-tab span:first-child { font-size: 18px; }
    body .wechat-float.open .wechat-panel { width: 190px; }
    body .wechat-qr { width: 160px; height: 160px; }
    
    .fab-consult { left: 14px; right: auto; bottom: 90px; }
    .fab-btn { width: 48px; height: 48px; }
    .fab-ico { font-size: 18px; }
    .fab-label { font-size: 10px; }
    .fab-panel { width: 280px; max-width: calc(100vw - 28px); bottom: 60px; }
}

/* ============ 网站地图卡片 ============ */
.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.sitemap-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9fc 100%);
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 24px;
    transition: all 0.3s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.sitemap-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(26,54,93,0.12);
    border-color: #1a73e8;
}
.sitemap-card .card-icon {
    font-size: 32px;
    width: 60px; height: 60px;
    background: linear-gradient(135deg, #1a365d 0%, #2d5a8e 100%);
    color: #fff;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(26,54,93,0.2);
}
.sitemap-card h3 {
    font-size: 18px;
    color: #1a365d;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #fadd15;
    display: inline-block;
}
.sitemap-card ul {
    line-height: 2.2;
}
.sitemap-card ul li a {
    color: #555;
    transition: all 0.2s;
    padding-left: 0;
    display: inline-block;
}
.sitemap-card ul li a:hover {
    color: #1a73e8;
    padding-left: 8px;
}
.sitemap-card ul li a::before {
    content: '› ';
    color: #1a73e8;
    font-weight: bold;
    margin-right: 4px;
}

/* ============ 在线留言表单美化 ============ */
.message-form {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(135deg, #fff 0%, #f8f9fc 100%);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    border: 1px solid #e8e8e8;
}
.message-form h2 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 8px;
    font-size: 24px;
}
.message-form .subtitle {
    text-align: center;
    color: #888;
    margin-bottom: 24px;
    font-size: 14px;
}
.message-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.message-form .form-group {
    margin-bottom: 16px;
}
.message-form .form-group label {
    display: block;
    margin-bottom: 6px;
    color: #555;
    font-weight: bold;
    font-size: 14px;
}
.message-form .form-group label .required {
    color: #e74c3c;
}
.message-form input,
.message-form select,
.message-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.2s;
    font-family: inherit;
    background: #fff;
    box-sizing: border-box;
}
.message-form input:focus,
.message-form select:focus,
.message-form textarea:focus {
    border-color: #1a73e8;
    outline: none;
    box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}
.message-form textarea {
    min-height: 120px;
    resize: vertical;
}
.message-form button {
    background: linear-gradient(135deg, #1a365d 0%, #2d5a8e 100%);
    color: #fff;
    padding: 14px 48px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: block;
    margin: 20px auto 0;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(26,54,93,0.3);
}
.message-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(26,54,93,0.4);
}

/* ============ 悬浮咨询 / 留资窗口 ============ */
.fab-consult {
    position: fixed;
    left: 24px;
    right: auto;
    bottom: 140px;
    z-index: 9999;
    font-family: inherit;
}
.fab-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    box-shadow: 0 6px 18px rgba(231,76,60,.45);
    transition: transform .2s, box-shadow .2s;
}
.fab-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 22px rgba(231,76,60,.55);
}
.fab-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(231,76,60,.55);
    animation: fabPulse 2.2s ease-out infinite;
    pointer-events: none;
}
@keyframes fabPulse {
    0%   { transform: scale(1);   opacity: .7; }
    100% { transform: scale(1.7); opacity: 0; }
}
.fab-ico { font-size: 22px; line-height: 1; }
.fab-label { font-size: 11px; margin-top: 2px; white-space: nowrap; letter-spacing: -.5px; }
.fab-panel {
    position: absolute;
    left: 0;
    right: auto;
    bottom: 74px;
    width: 300px;
    max-width: calc(100vw - 48px);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
    padding: 16px;
    display: none;
    flex-direction: column;
    gap: 10px;
}
.fab-panel.open {
    display: flex;
    animation: fabIn .25s ease;
}
@keyframes fabIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fab-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.fab-title { font-size: 15px; font-weight: bold; color: #1a365d; }
.fab-close {
    border: none;
    background: none;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: #999;
}
.fab-close:hover { color: #333; }
.fab-call {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, #1a365d, #2d5a8e);
    color: #fff;
    text-decoration: none;
    padding: 10px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: bold;
}
.fab-form { display: flex; flex-direction: column; gap: 8px; }
.fab-form input,
.fab-form select,
.fab-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}
.fab-form textarea { resize: vertical; }
.fab-form button[type=submit] {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
}
.fab-form button[type=submit]:disabled { opacity: .6; cursor: default; }
.fab-msg { font-size: 13px; margin: 0; min-height: 16px; }
.fab-msg.ok { color: #27ae60; }
.fab-msg.err { color: #e74c3c; }
.fab-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
@media (max-width: 600px) {
    .fab-consult { left: 14px; right: auto; bottom: 110px; }
    .fab-btn { width: 54px; height: 54px; }
    .fab-panel { left: 0; right: auto; bottom: 66px; width: 280px; max-width: calc(100vw - 28px); }
}