* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.8;
}

svg.icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    overflow: hidden;
    vertical-align: -0.1em;
}


img {
    max-width: 100%;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 16px;
}

html {
    font-size: 10px;
}

body {
    font-size: 1.6rem;
}

svg.icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    overflow: hidden;
    vertical-align: -0.1em;
}

.txt-min {
    font-size: 1.2rem;
}

ul,
li {
    list-style: none;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
    scroll-behavior: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

body {
    scroll-behavior: smooth;
    scroll-behavior: auto;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1430px;
    margin: 0 auto;
    padding: 0 15px;
}

body {
    font-family: "Microsoft Yahei", sans-serif;
    color: #444;
    line-height: 1.7;
}

img {
    max-width: 100%;
}

:root {
    --primary: #165dff;
    --darkBlue: #0f3594;
    --lightBlue: #e8f0ff;
    --deepBg: #0a2052;
}

.text-primary-custom {
    color: var(--primary);
}

:root {
    --main-blue: #1677FF;
    --light-blue: #E8F3FF;
    --gray-bg: #F7F8FA;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
}

* {
    scroll-behavior: smooth;
}

.text-blue {
    color: var(--main-blue);
}

.bg-blue {
    background-color: var(--main-blue);
}

.bg-lightblue {
    background-color: var(--light-blue);
}

.bg-gray {
    background-color: var(--gray-bg);
}

.gradient-blue {
    background: linear-gradient(120deg, #1677FF 0%, #509EFF 100%);
}

/* 导航轻量化 无厚重阴影 */
.nav-wrap {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid #eee;
}

.nav-link-custom {
    color: var(--text-dark);
    position: relative;
}

.nav-link-custom::after {
    content: '';
    width: 0;
    height: 2px;
    background: var(--main-blue);
    position: absolute;
    bottom: -4px;
    left: 0;
    transition: 0.3s all;
}

.nav-link-custom:hover::after {
    width: 100%;
}

.nav-link-custom.active {
    color: var(--main-blue);
}

.product-card img.w-100 {
    height: 200px;
    object-fit: cover;
}

/* 按钮全新样式 扁平简约 */
.btn-blue {
    background: var(--main-blue);
    color: #fff;
    border-radius: 5px;
    border: none;
    padding: 8px 20px;
    transition: 0.2s;
    text-decoration: none;
}

.btn-blue:hover {
    background: #0F68E8;
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.25);
}

.btn-outline-blue {
    border: 1px solid var(--main-blue);
    color: var(--main-blue);
    background: transparent;
    border-radius: 2px;
    padding: 9px 24px;
    text-decoration: none;
}

.btn-outline-blue:hover {
    background: var(--main-blue);
    color: #fff;
}

/* 全屏Banner 通栏无留白 */
.banner-box {
    height: 450px;
    display: flex;
    align-items: center;
}

/* 细线分割标题装饰 区别旧版粗线条 */
.title-line {
    width: 48px;
    height: 2px;
    background: var(--main-blue);
    display: inline-block;
    vertical-align: middle;
    margin: 0 12px;
}

/* 横向滚动产品模块（全新结构，旧版无横向滚动） */
.product-scroll-wrap {
    overflow-x: auto;
    scrollbar-width: none;
}

.product-scroll-wrap::-webkit-scrollbar {
    display: none;
}

.product-card {
    width: 23.333%;
    border: 1px solid #eee;
    background: #fff;
    transition: 0.3s;
}

.product-card:hover {
    border-color: var(--main-blue);
}

/* 悬浮轻卡片优势模块 */
.advantage-item {
    background: #fff;
    border-left: 3px solid var(--main-blue);
    padding: 24px;
    transition: 0.3s;
}

.advantage-item:hover {
    transform: translateX(6px);
}

/* 咨询表单区块 左右分栏（旧版无独立表单） */
.form-box {
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 18px rgba(0, 0, 0, 0.06);
}

input,
textarea {
    border: 1px solid #E5E7EB;
    padding: 10px 14px;
    width: 100%;
    outline: none;
    transition: 0.2s;
}

input:focus,
textarea:focus {
    border-color: var(--main-blue);
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

/* 底部悬浮快捷咨询栏 新增模块 */
.float-contact-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    border-top: 1px solid #eee;
    padding: 12px 0;
    z-index: 99;
}

.product-scroll-wrap {
    cursor: grab;
}

.product-scroll-wrap:active {
    cursor: grabbing;
}


@media screen and (max-width: 995px) {
    .product-card{
        width: 48%;
    }
}

@media screen and (max-width: 767px) {
    .banner-box{
        height: 350px;
    }
    .product-scroll-wrap{
        gap: 0 !important;
        justify-content: space-between;
    }
     .product-card{
        width: 49%;
        margin-bottom: 10px;
     }
     .product-card img.w-100{
        height: 145px;
     }
     footer{
        margin-bottom: 50px;
     }
}