@charset "UTF-8";
/* ============================================================================
 *  陕西创客网络科技有限公司 官网 —— 前台全站样式
 *  文件路径：assets/css/style.css
 *
 *  依赖：Bootstrap 5（本地包 assets/css/bootstrap.min.css）
 *        Bootstrap Icons（本地包 assets/css/bootstrap-icons.css）
 *
 *  目录：
 *    01 变量与基础          02 通用工具与区块      03 按钮与表单
 *    04 顶部信息条          05 主导航              06 面包屑与页头
 *    07 首页 Banner         08 首页通用模块        09 产品中心
 *    10 解决方案            11 成功案例            12 新闻资讯
 *    13 人才招聘            14 资料下载            15 内容详情与侧栏
 *    16 在线留言与联系我们  17 分页                18 页脚与回到顶部
 *    19 响应式断点          20 动效与打印
 *
 *  兼容：Chrome / Edge / Firefox / Safari 及移动端浏览器；不依赖 IE
 * ========================================================================== */

/* ==========================================================================
   01 变量与基础
   ========================================================================== */
:root {
    --ck-primary:      #1657c4;
    --ck-primary-d:    #0f3d8f;
    --ck-primary-l:    #e9f0fd;
    --ck-accent:       #12b3a8;
    --ck-accent-l:     #e6f7f6;

    --ck-ink:          #16202f;
    --ck-body:         #3c4859;
    --ck-muted:        #7b8798;
    --ck-line:         #e6ebf3;
    --ck-line-d:       #d6dee9;
    --ck-bg:           #f5f7fb;
    --ck-bg-soft:      #eef2f8;
    --ck-white:        #ffffff;

    --ck-radius:       10px;
    --ck-radius-lg:    16px;
    --ck-shadow-sm:    0 2px 8px rgba(18, 44, 84, .06);
    --ck-shadow:       0 6px 22px rgba(18, 44, 84, .08);
    --ck-shadow-lg:    0 14px 40px rgba(18, 44, 84, .12);

    --ck-header-h:     72px;
    --ck-topbar-h:     38px;
    --ck-transition:   all .25s cubic-bezier(.4, .0, .2, 1);
}

* {
    -webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ck-body);
    background: var(--ck-white);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    color: var(--ck-primary);
    text-decoration: none;
    transition: var(--ck-transition);
}

a:hover,
a:focus {
    color: var(--ck-primary-d);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    border: 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--ck-ink);
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 .6em;
}

h1 { font-size: 32px; }
h2 { font-size: 26px; }
h3 { font-size: 20px; }
h4 { font-size: 17px; }

p { margin: 0 0 1em; }

::selection {
    background: var(--ck-primary);
    color: #fff;
}

/* 跳到主要内容的无障碍链接 */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    padding: 10px 18px;
    background: var(--ck-primary);
    color: #fff;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    left: 0;
    color: #fff;
}

/* ==========================================================================
   02 通用工具与区块
   ========================================================================== */
.container {
    max-width: 1240px;
    padding-left: 18px;
    padding-right: 18px;
}

.site-main {
    min-height: 320px;
}

/* 页面级钩子（body 上的 page-home / page-inner），供不同页面微调排版 */
.page-home .site-header {
    box-shadow: none;
}

.page-inner .page-hero + .ck-section {
    padding-top: 0;
}

.bg-soft { background: var(--ck-bg); }
.bg-soft-2 { background: var(--ck-bg-soft); }
.text-primary-ck { color: var(--ck-primary) !important; }
.text-accent { color: var(--ck-accent) !important; }
.text-muted-ck { color: var(--ck-muted) !important; }

/* 区块 */
.ck-section {
    padding: 72px 0;
}

.ck-section-sm {
    padding: 48px 0;
}

.ck-section-head {
    margin-bottom: 42px;
    text-align: center;
}

.ck-section-head.text-start {
    text-align: left;
}

.ck-section-title {
    position: relative;
    display: inline-block;
    margin: 0 0 12px;
    font-size: 34px;
    letter-spacing: 1px;
}

.ck-section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -12px;
    width: 64px;
    height: 4px;
    margin-left: -32px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--ck-primary), #6fe3d7);
    box-shadow: 0 0 14px rgba(22, 119, 255, .35);
}

.ck-section-head.text-start .ck-section-title::after {
    left: 0;
    margin-left: 0;
}

.ck-section-sub {
    margin: 18px 0 0;
    color: var(--ck-muted);
    font-size: 15px;
}

.ck-section-more {
    margin-top: 36px;
    text-align: center;
}

/* 卡片 */
.ck-card {
    height: 100%;
    background: var(--ck-white);
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    box-shadow: var(--ck-shadow-sm);
    transition: var(--ck-transition);
    overflow: hidden;
}

/* 栏目布局里的卡片不吃等高拉伸（修新闻版块错位）：
   .ck-card 的 height:100% 本意是让网格卡片（.grid-3 等）等高，
   但新闻区「焦点大图卡」是 col-lg-8 的直接子元素，flex 列拉伸会让
   它撑满整列高度，把下方文章列表挤出容器、叠到「查看更多」按钮上。
   注意选择器必须写 .col-lg-8 > .ck-card：BS5 列的类名是 col-12 /
   col-lg-8，单独的 .col 匹配不到任何列。 */
.col-lg-8 > .ck-card,
.col-lg-12 > .ck-card {
    height: auto;
}

.ck-card:hover {
    border-color: rgba(22, 119, 255, .38);
    box-shadow: 0 18px 44px rgba(13, 42, 92, .14), 0 4px 14px rgba(22, 119, 255, .10);
    transform: translateY(-5px);
}

.ck-card-body {
    padding: 20px 22px 24px;
}

.ck-card-title {
    margin: 0 0 8px;
    font-size: 17px;
    line-height: 1.5;
}

.ck-card-title a {
    color: var(--ck-ink);
}

.ck-card-title a:hover {
    color: var(--ck-primary);
}

.ck-card-text {
    margin: 0;
    color: var(--ck-muted);
    font-size: 14px;
    line-height: 1.75;
}

/* 图片容器（统一比例，防抖动） */
.ck-thumb {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
    background: var(--ck-bg-soft);
}

.ck-thumb::before {
    content: "";
    display: block;
    padding-top: 64%;
}

.ck-thumb img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s cubic-bezier(.4, .0, .2, 1);
}

.ck-card:hover .ck-thumb img,
.ck-thumb:hover img {
    transform: scale(1.05);
}

.ck-thumb-wide::before { padding-top: 45%; }
.ck-thumb-square::before { padding-top: 100%; }

/* 标签 */
.ck-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    background: var(--ck-primary-l);
    color: var(--ck-primary);
    font-size: 12px;
    line-height: 20px;
}

.ck-tag-accent {
    background: var(--ck-accent-l);
    color: #0b8c83;
}

.ck-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    color: var(--ck-muted);
    font-size: 13px;
}

.ck-meta i { margin-right: 4px; }

/* 列表条目通用 */
.ck-list-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px dashed var(--ck-line);
}

.ck-list-item:last-child {
    border-bottom: 0;
}

/* ==========================================================================
   03 按钮与表单
   ========================================================================== */
.btn {
    border-radius: 6px;
    font-size: 15px;
    transition: var(--ck-transition);
}

.btn-primary {
    background: var(--ck-primary);
    border-color: var(--ck-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--ck-primary-d);
    border-color: var(--ck-primary-d);
}

.btn-ck {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 26px;
    border: 0;
    border-radius: 40px;
    background: linear-gradient(100deg, var(--ck-primary), #2a7ae0);
    color: #fff;
    font-weight: 500;
    box-shadow: 0 8px 20px rgba(22, 87, 196, .22);
    transition: box-shadow .3s ease, transform .3s ease, filter .3s ease;
}

.btn-ck:hover,
.btn-ck:focus {
    color: #fff;
    transform: translateY(-2px);
    filter: brightness(1.08);
    box-shadow: 0 12px 30px rgba(22, 87, 196, .38), 0 0 24px rgba(42, 122, 224, .35);
}

.btn-ck-outline {
    background: transparent;
    border: 1px solid var(--ck-primary);
    color: var(--ck-primary);
    box-shadow: none;
}

.btn-ck-outline:hover,
.btn-ck-outline:focus {
    background: var(--ck-primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(22, 87, 196, .2);
}

.btn-ck-light {
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .45);
    color: #fff;
    box-shadow: none;
}

.btn-ck-light:hover,
.btn-ck-light:focus {
    background: #fff;
    color: var(--ck-primary);
}

.form-control,
.form-select {
    border: 1px solid var(--ck-line-d);
    border-radius: 6px;
    padding: 9px 14px;
    font-size: 15px;
    color: var(--ck-body);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ck-primary);
    box-shadow: 0 0 0 3px rgba(22, 87, 196, .12);
}

.form-label {
    margin-bottom: 6px;
    color: var(--ck-ink);
    font-weight: 500;
    font-size: 14px;
}

.form-label.required::after {
    content: " *";
    color: #dc3545;
}

.form-hint {
    margin: 6px 0 0;
    color: var(--ck-muted);
    font-size: 12.5px;
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: #dc3545;
    background-image: none;
}

/* 验证码行 */
.captcha-row {
    display: flex;
    gap: 10px;
}

.captcha-row .form-control {
    flex: 1;
}

.captcha-img {
    height: 42px;
    width: auto;
    border: 1px solid var(--ck-line-d);
    border-radius: 6px;
    cursor: pointer;
}

/* ==========================================================================
   04 顶部信息条
   ========================================================================== */
.topbar {
    position: relative;
    height: var(--ck-topbar-h);
    background: linear-gradient(90deg, #0a1830 0%, #10294f 60%, #0c3e46 100%);
    color: #b8c6dc;
    font-size: 13px;
    line-height: var(--ck-topbar-h);
    overflow: hidden;
}

/* R18 顶栏底边能量线：深色头部第一层"科技边界" */
.topbar::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%, rgba(111, 227, 215, .0) 12%,
        rgba(111, 227, 215, .45) 50%,
        rgba(111, 227, 215, .0) 88%, transparent 100%);
    animation: topbar-line-flow 7s linear infinite;
    background-size: 200% 100%;
    pointer-events: none;
}

@keyframes topbar-line-flow {
    from { background-position: 100% 0; }
    to   { background-position: -100% 0; }
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 22px;
    white-space: nowrap;
    overflow: hidden;
}

.topbar i {
    margin-right: 6px;
    color: #5f9cf0;
}

.topbar a.topbar-item {
    color: #b8c6dc;
}

.topbar a.topbar-item:hover {
    color: #fff;
}

.topbar-cta {
    padding: 0 14px;
    border-radius: 0 0 8px 8px;
    background: var(--ck-primary);
    color: #fff !important;
}

.topbar-cta i { color: #fff; }

/* ==========================================================================
   05 主导航
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, .92);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--ck-line);
    transition: box-shadow .25s ease;
}

.site-header.is-stuck {
    box-shadow: 0 8px 28px rgba(18, 44, 84, .12);
}

.site-navbar {
    padding: 0;
}

.site-navbar > .container {
    min-height: var(--ck-header-h);
    align-items: stretch;
    flex-wrap: nowrap;
}

/* 品牌 */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    margin-right: 26px;
    flex-shrink: 0;
}

.brand-logo {
    max-height: 44px;
    width: auto;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ck-primary), var(--ck-accent));
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -2px;
    box-shadow: 0 6px 16px rgba(22, 87, 196, .26), 0 0 22px rgba(18, 179, 168, .16);
    transition: box-shadow .3s ease, transform .3s ease;
}

/* R18 品牌 Logo 悬浮：光晕增强 + 轻微上浮 */
.brand:hover .brand-mark {
    box-shadow: 0 8px 20px rgba(22, 87, 196, .34), 0 0 30px rgba(18, 179, 168, .32);
    transform: translateY(-1px);
}

.brand-mark-light {
    background: rgba(255, 255, 255, .16);
    box-shadow: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.brand-text strong {
    color: var(--ck-ink);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: .5px;
}

.brand-text small {
    color: var(--ck-muted);
    font-size: 11.5px;
    letter-spacing: .2px;
}

/* 菜单 */
.main-menu {
    align-items: stretch;
    flex-wrap: nowrap;
}

.main-menu .nav-item {
    display: flex;
    align-items: center;
    position: relative;
}

.main-menu .nav-link {
    position: relative;
    display: flex;
    align-items: center;
    height: var(--ck-header-h);
    padding: 0 15px;
    color: var(--ck-ink);
    font-size: 15.5px;
    font-weight: 500;
    white-space: nowrap;
}

.main-menu .nav-link::after {
    content: "";
    position: absolute;
    left: 15px;
    right: 15px;
    bottom: 16px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--ck-primary), var(--ck-accent));
    /* R18 激活线加发光，与首页科技元素呼应 */
    box-shadow: 0 0 10px rgba(18, 179, 168, .5);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease, box-shadow .25s ease;
}

.main-menu .nav-link:hover,
.main-menu .nav-link.active {
    color: var(--ck-primary);
}

.main-menu .nav-link:hover::after,
.main-menu .nav-link.active::after {
    transform: scaleX(1);
}

.main-menu .dropdown-toggle::after {
    margin-left: 6px;
    border-top-color: currentColor;
}

/* 下拉 */
.main-menu .dropdown-menu {
    min-width: 210px;
    margin-top: 0;
    padding: 8px;
    border: 1px solid var(--ck-line);
    border-radius: 10px;
    box-shadow: var(--ck-shadow);
}

.main-menu .dropdown-item {
    padding: 9px 14px;
    border-radius: 6px;
    color: var(--ck-body);
    font-size: 14.5px;
}

.main-menu .dropdown-item:hover,
.main-menu .dropdown-item.active {
    background: var(--ck-primary-l);
    color: var(--ck-primary);
}

.main-menu .dropdown-submenu {
    position: relative;
}

.main-menu .dropdown-submenu > .dropdown-menu {
    top: 0;
    left: 100%;
    margin-left: 4px;
}

.main-menu .dropdown-submenu:hover > .dropdown-menu {
    display: block;
}

.dropdown-toggle-custom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 右侧动作区 */
.nav-aside {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    padding-left: 16px;
}

.btn-search {
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--ck-line-d);
    border-radius: 50%;
    color: var(--ck-ink);
    background: #fff;
    line-height: 36px;
}

.btn-search:hover {
    border-color: var(--ck-primary);
    color: var(--ck-primary);
}

.btn-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border: 0;
    border-radius: 40px;
    background: linear-gradient(100deg, var(--ck-primary), #2a7ae0);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    box-shadow: 0 6px 16px rgba(22, 87, 196, .22);
}

.btn-nav-cta:hover,
.btn-nav-cta:focus {
    color: #fff;
    transform: translateY(-1px);
}

/* 搜索抽屉 */
.nav-search {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    padding: 16px 0;
    background: #fff;
    border-bottom: 1px solid var(--ck-line);
    box-shadow: 0 12px 24px rgba(18, 44, 84, .08);
}

.nav-search.is-open {
    display: block;
    animation: ckFadeDown .22s ease;
}

.nav-search-form {
    display: flex;
    gap: 10px;
    max-width: 720px;
    margin: 0 auto;
}

.nav-toggle {
    padding: 6px 10px;
    border: 1px solid var(--ck-line-d);
    border-radius: 8px;
    color: var(--ck-ink);
    font-size: 22px;
    line-height: 1;
}

.nav-toggle:focus {
    box-shadow: none;
}

/* ==========================================================================
   06 面包屑与页头
   ========================================================================== */
.crumb-bar {
    padding: 18px 0;
    background: var(--ck-bg);
    border-bottom: 1px solid var(--ck-line);
}

.crumb-list {
    margin: 0;
    font-size: 13.5px;
}

.crumb-list .breadcrumb-item + .breadcrumb-item::before {
    content: "\203A";
    color: #a9b4c5;
}

.crumb-list .breadcrumb-item a {
    color: var(--ck-muted);
}

.crumb-list .breadcrumb-item a:hover {
    color: var(--ck-primary);
}

.crumb-list .breadcrumb-item.active {
    color: var(--ck-ink);
    font-weight: 500;
}

.crumb-list i {
    margin-right: 4px;
}

/* 内页头部横幅 */
.page-hero {
    position: relative;
    padding: 76px 0 66px;
    background: linear-gradient(120deg, #0d2450 0%, #11407f 45%, #11707a 100%);
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.page-hero::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .16), transparent 68%);
}

.page-hero h1 {
    position: relative;
    margin: 0 0 12px;
    color: #fff;
    font-size: 34px;
    letter-spacing: 2px;
}

.page-hero p {
    position: relative;
    margin: 0;
    color: rgba(255, 255, 255, .8);
    font-size: 15px;
}

.page-hero-en {
    display: block;
    margin-top: 10px;
    color: rgba(255, 255, 255, .35);
    font-size: 13px;
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* ==========================================================================
   07 首页 Banner
   ========================================================================== */
.hero {
    position: relative;
    /* R17 高度按用户要求 620→460 */
    min-height: 460px;
    display: flex;
    align-items: center;
    color: #fff;
    /* R17 再提亮：整体上调（#081833→#122a52 系） */
    background: linear-gradient(118deg, #122a52 0%, #1c4a8f 48%, #1391a0 100%);
    overflow: hidden;
}

/* 底部辉光过渡：Hero 与下方科技带之间加一条柔光衔接，
   消除两个深色块拼接的"断层感"（R15 首屏强化） */
.hero-slider {
    position: relative;
}

.hero-slider::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    z-index: 4;
    background: linear-gradient(180deg, transparent, rgba(18, 58, 118, .5) 70%, rgba(10, 26, 51, .8));
    pointer-events: none;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    /* 三处辉光整体增强：青光半径扩大、中央提亮，画面更通透 */
    background-image:
        radial-gradient(circle at 82% 18%, rgba(18, 179, 168, .5), transparent 50%),
        radial-gradient(circle at 8% 82%, rgba(59, 130, 246, .5), transparent 52%),
        radial-gradient(circle at 50% 50%, rgba(111, 227, 215, .12), transparent 62%);
    animation: hero-aura 14s ease-in-out infinite alternate;
}

/* 辉光缓慢呼吸：整体明暗 5% 幅度来回，沉稳不喧哗 */
@keyframes hero-aura {
    from { opacity: .85; }
    to   { opacity: 1.05; }
}

/* 星点粒子层（R16）：两团不同尺寸的微光星点错位漂浮，
   深色底立刻有了"空间感"；点用 box-shadow 生成，性能开销极低 */
.hero-stars,
.hero-slider .hero-slide > .hero-stars {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-stars::before,
.hero-stars::after {
    content: "";
    position: absolute;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: transparent;
    box-shadow:
        120px 80px 0 0 rgba(255, 255, 255, .7),
        340px 40px 0 0 rgba(111, 227, 215, .8),
        560px 130px 0 0 rgba(255, 255, 255, .5),
        780px 60px 0 0 rgba(255, 255, 255, .75),
        1020px 150px 0 0 rgba(111, 227, 215, .65),
        1260px 50px 0 0 rgba(255, 255, 255, .6),
        90px 300px 0 0 rgba(255, 255, 255, .45),
        420px 380px 0 0 rgba(111, 227, 215, .55),
        680px 300px 0 0 rgba(255, 255, 255, .5),
        940px 340px 0 0 rgba(255, 255, 255, .65),
        1180px 260px 0 0 rgba(111, 227, 215, .6),
        240px 200px 0 0 rgba(255, 255, 255, .35),
        860px 190px 0 0 rgba(255, 255, 255, .4),
        1100px 400px 0 0 rgba(255, 255, 255, .5),
        60px 420px 0 0 rgba(111, 227, 215, .45),
        500px 480px 0 0 rgba(255, 255, 255, .4);
    animation: hero-twinkle 5s ease-in-out infinite alternate;
}

.hero-stars::after {
    transform: translate(35px, 60px) scale(1.4);
    animation-delay: 2.5s;
    animation-duration: 7s;
    opacity: .7;
}

@keyframes hero-twinkle {
    from { opacity: .45; }
    to   { opacity: 1; }
}

/* 斜向光束（R16）：两道极淡的青色光带划过，增加"能量流动"感 */
.hero-beams {
    position: absolute;
    inset: -20% -10%;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(115deg, transparent 42%, rgba(111, 227, 215, .06) 46%, rgba(111, 227, 215, .12) 50%, rgba(111, 227, 215, .06) 54%, transparent 58%),
        linear-gradient(100deg, transparent 66%, rgba(120, 160, 255, .05) 70%, rgba(120, 160, 255, .1) 73%, transparent 77%);
    animation: hero-beam-drift 18s ease-in-out infinite alternate;
}

@keyframes hero-beam-drift {
    from { transform: translateX(-2.5%) skewX(-2deg); }
    to   { transform: translateX(2.5%) skewX(2deg); }
}

/* 顶部一线青光：科技感的"能量线"（纯装饰）
   z-index 4：必须高于轮播暗化层（.hero-slide::before, z2）与文案层（z3），
   否则会被盖住不显示 */
.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 4;
    background: linear-gradient(90deg,
        transparent 0%, rgba(111, 227, 215, .0) 18%,
        rgba(111, 227, 215, .55) 50%,
        rgba(111, 227, 215, .0) 82%, transparent 100%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 85%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 85%);
}

/* 轮播屏也铺动态网格（R15）：网格随辉光一起缓慢呼吸，
   科技感的"数据空间"质感；reduced-motion 时停住。
   R16 亮度上调 .045→.06，配合提亮的底色 */
.hero-slider .hero-slide::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 50% 45%, rgba(0, 0, 0, .95), transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 45%, rgba(0, 0, 0, .95), transparent 72%);
    animation: hero-grid-pulse 9s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes hero-grid-pulse {
    from { opacity: .55; }
    to   { opacity: 1; }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-inner {
    max-width: 780px;
    /* R17：460px 高度下 84px 上下内边距会挤满整屏，收敛到 56px */
    padding: 56px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 40px;
    background: rgba(255, 255, 255, .12);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: #e8f3ff;
    font-size: 13.5px;
    letter-spacing: .5px;
}

.hero-title {
    margin: 0 0 20px;
    color: #fff;
    font-size: 50px;
    line-height: 1.26;
    letter-spacing: 1px;
    text-shadow: 0 2px 32px rgba(111, 227, 215, .28);
}

/* 标题渐变高光（R15）：白字里透一线青蓝；与 hero-rise 并列播放——
   rise 管入场（opacity/transform），shine 管常驻高光（background-position），
   两者动画属性不冲突，可同时挂 */
.hero-slider .hero-title {
    background: linear-gradient(120deg, #ffffff 30%, #b7ecec 52%, #ffffff 74%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title em {
    color: #6fe3d7;
    font-style: normal;
}

.hero-desc {
    max-width: 640px;
    margin: 0 0 34px;
    color: rgba(255, 255, 255, .82);
    font-size: 16px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* 轮播态 Hero（R17 高度统一 460px） */
.hero-slider .hero-slide {
    position: relative;
    min-height: 460px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
}

/* 轮播文案整体居中（2026-10-01 用户反馈"文案都在左边"）：
   宽屏下容器左对齐会让右侧 2/3 完全空置；居中排版在任意视口都视觉平衡。
   仅作用于轮播屏；无轮播的静态主视觉维持原左对齐不动。
   ★ 两层 flex 收缩陷阱：.hero 与 .hero-slide 都是 display:flex，
     轮播（#homeBanner）和 .container 作为 flex 子项都会收缩包裹到
     文字内容宽（~650px），导致整块文案永远贴左。两层都要强制 100% 宽。 */
.hero-slider > .carousel {
    width: 100%;
}

.hero-slider .hero-inner {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.hero-slider .hero-desc {
    margin-left: auto;
    margin-right: auto;
}

.hero-slider .hero-actions {
    justify-content: center;
}

/* 轮播底图暗化：保证白色标题在任何底图上都可读
   R17 减弱：用户反馈底图（玻璃幕墙）太暗，两侧暗化减半 */
.hero-slider .hero-slide::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg,
        rgba(9, 22, 44, .68) 0%,
        rgba(9, 22, 44, .42) 48%,
        rgba(9, 22, 44, .18) 100%);
}

.hero-slider .carousel-indicators [data-bs-target] {
    width: 30px;
    height: 4px;
    border-radius: 3px;
    background-color: rgba(255, 255, 255, .55);
}

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

/* 首页数据条 */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    margin-top: 52px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, .16);
}

.hero-stat strong {
    display: block;
    color: #fff;
    font-size: 34px;
    line-height: 1.2;
    font-weight: 700;
}

.hero-stat span {
    color: rgba(255, 255, 255, .7);
    font-size: 13.5px;
}

/* ==========================================================================
   数字优势科技带（R14 · 2026-10-02 改版：与 Hero 连成深色头部）
   R18 强化：顶部能量线 + 图标呼吸 + 卡片扫光 + 悬浮光柱
   ======================================================================== */
.home-stats {
    position: relative;
    padding: 58px 0 66px;
    background: linear-gradient(160deg, #07142a 0%, #0a2f52 60%, #0b5563 100%);
    overflow: hidden;
}

.home-stats::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 88% 12%, rgba(18, 179, 168, .22), transparent 40%),
        radial-gradient(circle at 6% 92%, rgba(37, 99, 235, .26), transparent 42%);
}

/* R18 顶部能量线：与 Hero 顶线呼应，标记深色头部的"下边界" */
.home-stats::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%, rgba(111, 227, 215, .0) 15%,
        rgba(111, 227, 215, .5) 50%,
        rgba(111, 227, 215, .0) 85%, transparent 100%);
    animation: stat-line-flow 6s linear infinite;
    background-size: 200% 100%;
    pointer-events: none;
}

@keyframes stat-line-flow {
    from { background-position: 100% 0; }
    to   { background-position: -100% 0; }
}

.home-stats .container {
    position: relative;
    z-index: 2;
}

.home-stats .advantage-list {
    gap: 22px;
}

.home-stats .advantage-item {
    position: relative;
    padding: 30px 24px 26px;
    text-align: center;
    background: rgba(255, 255, 255, .055);
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 16px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: transform .3s ease, border-color .3s ease, background .3s ease, box-shadow .3s ease;
}

/* R18 扫光：一道斜光带每 5s 从卡片左上扫到右下 */
.home-stats .advantage-item::before {
    content: "";
    position: absolute;
    top: -60%;
    left: -80%;
    width: 55%;
    height: 220%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .1), transparent);
    transform: rotate(18deg);
    animation: stat-sweep 5s ease-in-out infinite;
    pointer-events: none;
}

.home-stats .advantage-item:nth-child(2)::before { animation-delay: .8s; }
.home-stats .advantage-item:nth-child(3)::before { animation-delay: 1.6s; }
.home-stats .advantage-item:nth-child(4)::before { animation-delay: 2.4s; }

@keyframes stat-sweep {
    0%, 55%  { left: -80%; }
    85%, 100% { left: 160%; }
}

/* R18 悬浮：升得更高 + 图标色光柱阴影 */
.home-stats .advantage-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, .1);
    border-color: rgba(111, 227, 215, .55);
    box-shadow: 0 22px 44px rgba(4, 16, 34, .45), 0 0 28px rgba(111, 227, 215, .18);
}

.home-stats .advantage-item .stat-ico {
    display: block;
    margin: 0 auto 14px;
    font-size: 30px;
    color: #6fe3d7;
    text-shadow: 0 0 24px rgba(111, 227, 215, .45);
    /* R18 图标呼吸：光晕每 3.6s 明暗一轮，四卡错峰 */
    animation: stat-ico-pulse 3.6s ease-in-out infinite;
}

.home-stats .advantage-item:nth-child(2) .stat-ico { animation-delay: .5s; }
.home-stats .advantage-item:nth-child(3) .stat-ico { animation-delay: 1s; }
.home-stats .advantage-item:nth-child(4) .stat-ico { animation-delay: 1.5s; }

@keyframes stat-ico-pulse {
    0%, 100% { text-shadow: 0 0 12px rgba(111, 227, 215, .35); transform: scale(1); }
    50%      { text-shadow: 0 0 34px rgba(111, 227, 215, .8); transform: scale(1.08); }
}

.home-stats .advantage-item strong {
    display: block;
    color: #fff;
    font-size: 38px;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: 1px;
}

.home-stats .advantage-item span {
    display: block;
    margin-top: 8px;
    color: rgba(255, 255, 255, .62);
    font-size: 13.5px;
    letter-spacing: 1px;
}

/* ==========================================================================
   Hero 轮播修复与动效（R13 · 2026-09-30）
   1. 无底图屏轮换品牌渐变实底 —— 修 crossfade 切换时两屏文案透叠错乱
   2. 有底图屏：图片独立图层 + Ken Burns 慢速推近
   3. 每屏激活时文案逐条上浮淡入
   4. 左右切换按钮 + 向下浏览引导
   5. prefers-reduced-motion 全量降级
   ======================================================================== */

/* 1. 无底图屏的实底渐变（每屏色向不同，切屏即换氛围） */
.hero-slider .hero-bg-a { background: linear-gradient(115deg, #14284e 0%, #1c4a8f 48%, #0f8590 100%); }
.hero-slider .hero-bg-b { background: linear-gradient(115deg, #0d3a52 0%, #157080 52%, #1b9e92 100%); }
.hero-slider .hero-bg-c { background: linear-gradient(115deg, #182c50 0%, #28549c 50%, #3a83c8 100%); }
.hero-slider .hero-bg-d { background: linear-gradient(115deg, #123848 0%, #1a6e7c 48%, #249a92 100%); }

/* 2. 底图独立图层（z 序：图 1 < 暗化 2 < 文案 3） */
.hero-slide .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-size: cover;
    background-position: center;
    /* R17 底图提亮：滤镜亮 18% + 对比微调，玻璃幕墙图不再发黑 */
    filter: brightness(1.18) contrast(.96) saturate(1.05);
}

.hero-slider .hero-slide::before { z-index: 2; }

.hero-slider .hero-slide .container {
    position: relative;
    z-index: 3;
    /* ★ flex 子项默认收缩包裹（缩到文字宽 615px），margin:auto 无从居中，
       文案因此永远贴左。强制占满整行，给 .hero-inner 的居中留出空间。 */
    width: 100%;
}

/* Ken Burns 底图推近：同样覆盖全部进入态（同 hero-rise 理由） */
.hero-slider .carousel-item.active .hero-bg,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-bg,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-bg {
    animation: hero-kenburns 16s ease-out both;
}

@keyframes hero-kenburns {
    from { transform: scale(1); }
    to   { transform: scale(1.1); }
}

/* 3. 文案入场：徽章 → 标题 → 描述 → 按钮逐条上浮
   ★ 选择器必须覆盖 Bootstrap 轮播的全部「进入中」状态：
     .active（首屏/静止态）+ .carousel-item-next.carousel-item-start /
     .carousel-item-prev.carousel-item-end（切换开始瞬间）。
   若只挂 .active：切换时新屏先以默认态（全可见）参与 0.6s 淡入，
   结束后 .active 才挂上、动画从头播 → 文字凭空消失再上浮一次，闪烁错乱。
   挂全三个状态后，动画在淡入开始时就启动，类名切换时动画名不变、不重启。
   注意：不写基础 opacity:0 —— 初始隐藏由 animation-fill-mode: both 的
   backwards fill 在延迟期间实现；不支持动画的环境文字默认可见。 */
.hero-slider .carousel-item.active .hero-badge,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-badge,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-badge,
.hero-slider .carousel-item.active .hero-title,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-title,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-title,
.hero-slider .carousel-item.active .hero-desc,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-desc,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-desc,
.hero-slider .carousel-item.active .hero-actions,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-actions,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-actions {
    animation: hero-rise .8s cubic-bezier(.22, .61, .36, 1) both;
}

.hero-slider .carousel-item.active .hero-title,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-title,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-title {
    /* rise 入场 + shine 高光双动画：属性不冲突可并列；
       shine 在 rise 结束后（.15s+.8s≈1s）开始，错峰衔接 */
    animation: hero-rise .8s cubic-bezier(.22, .61, .36, 1) both,
               hero-shine 7s ease-in-out 1.2s infinite;
}

@keyframes hero-shine {
    0%, 100% { background-position: 0% 0; }
    50%      { background-position: 100% 0; }
}

.hero-slider .carousel-item.active .hero-desc,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-desc,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-desc { animation-delay: .3s; }

.hero-slider .carousel-item.active .hero-actions,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-actions,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-actions { animation-delay: .45s; }

@keyframes hero-rise {
    from { opacity: 0; transform: translateY(26px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 徽章入场后持续呼吸微光（同样覆盖全部进入态，防切换时闪烁） */
.hero-slider .carousel-item.active .hero-badge,
.hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-badge,
.hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-badge {
    animation: hero-rise .8s cubic-bezier(.22, .61, .36, 1) both,
               hero-glow 3.2s ease-in-out 1.4s infinite;
}

@keyframes hero-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(111, 227, 215, 0); }
    50%      { box-shadow: 0 0 18px 2px rgba(111, 227, 215, .3); }
}

/* 4a. 左右切换按钮（悬停区域时渐显） */
.hero-ctrl {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 50%;
    background: rgba(10, 27, 56, .35);
    color: #fff;
    font-size: 22px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .25s ease, background .25s ease, transform .25s ease;
}

.hero-ctrl:hover,
.hero-slider:hover .hero-ctrl { opacity: 1; }

.hero-ctrl:hover { background: rgba(18, 58, 118, .8); }

.hero-ctrl:active { transform: translateY(-50%) scale(.94); }

.hero-ctrl-prev { left: 26px; }
.hero-ctrl-next { right: 26px; }

/* 4b. 向下浏览引导（上下漂浮） */
.hero-scroll {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    z-index: 5;
    width: 30px;
    height: 44px;
    color: rgba(255, 255, 255, .75);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: hero-bob 2s ease-in-out infinite;
}

.hero-scroll:hover { color: #fff; }

@keyframes hero-bob {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(7px); }
}

/* 指示条让位给向下引导，并加宽度过渡 */
.hero-slider .carousel-indicators {
    bottom: 78px;
    margin-bottom: 0;
}

.hero-slider .carousel-indicators [data-bs-target] {
    transition: width .3s ease, background-color .3s ease;
}

.hero-slider .carousel-indicators .active { width: 44px; }

/* 5. 新闻区交互增强 */
.news-item { transition: transform .25s ease; }
.news-item:hover { transform: translateX(4px); }

/* 侧栏栏目导航条目（文章不足时的兜底展示） */
.side-list .side-cat a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.side-list .side-cat a .bi-chevron-right {
    margin-left: auto;
    font-size: 12px;
    color: var(--ck-muted);
    transition: transform .2s ease, color .2s ease;
}

.side-list .side-cat a:hover .bi-chevron-right {
    transform: translateX(3px);
    color: var(--ck-primary);
}

/* 侧栏快速导航（2×3 图标格，2026-10-02 填充新闻区右侧空白） */
.side-quick { margin-top: 20px; }

.side-nav-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.side-nav-grid a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--ck-line);
    border-radius: 8px;
    color: var(--ck-ink);
    font-size: 13.5px;
    transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.side-nav-grid a i {
    color: var(--ck-primary);
    font-size: 16px;
}

.side-nav-grid a:hover {
    border-color: var(--ck-primary);
    color: var(--ck-primary);
    background: rgba(22, 119, 255, .04);
}

/* 侧栏关于我们卡（公司简介 + 联系信息 + 入口按钮） */
.side-about { margin-top: 20px; }

.side-about-text {
    margin: 0 0 12px;
    color: var(--ck-muted);
    font-size: 13px;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.side-about-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0 0 8px;
    color: var(--ck-muted);
    font-size: 12.5px;
    line-height: 1.7;
}

.side-about-row i {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--ck-primary);
}

.side-about-btn {
    margin-top: 14px;
    width: 100%;
    justify-content: center;
}

/* 6. 无障碍：偏好减少动效的用户关闭全部动画（文字靠默认 opacity 可见） */
@media (prefers-reduced-motion: reduce) {
    .hero-slider .carousel-item.active .hero-bg,
    .hero-slider .carousel-item.active .hero-badge,
    .hero-slider .carousel-item.active .hero-title,
    .hero-slider .carousel-item.active .hero-desc,
    .hero-slider .carousel-item.active .hero-actions,
    .hero-scroll {
        animation: none;
    }

    .news-item,
    .side-list .side-cat a .bi-chevron-right,
    .hero-ctrl,
    .hero-slider .carousel-indicators [data-bs-target] {
        transition: none;
    }
}

/* ==========================================================================
   08 首页通用模块
   ========================================================================== */
/* 四大业务板块 */
.biz-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.biz-card {
    position: relative;
    padding: 34px 26px 30px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius-lg);
    box-shadow: var(--ck-shadow-sm);
    transition: var(--ck-transition);
    overflow: hidden;
}

.biz-card::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ck-primary), var(--ck-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
}

.biz-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ck-shadow-lg);
}

.biz-card:hover::after {
    transform: scaleX(1);
}

.biz-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 18px;
    border-radius: 14px;
    background: var(--ck-primary-l);
    color: var(--ck-primary);
    font-size: 26px;
}

.biz-card:nth-child(2) .biz-icon { background: var(--ck-accent-l); color: #0b8c83; }
.biz-card:nth-child(3) .biz-icon { background: #fff2e3; color: #d98420; }
.biz-card:nth-child(4) .biz-icon { background: #ece9ff; color: #5b50d6; }

.biz-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.biz-card p {
    margin: 0 0 16px;
    color: var(--ck-muted);
    font-size: 14px;
    line-height: 1.8;
}

.biz-more {
    color: var(--ck-primary);
    font-size: 13.5px;
}

/* 数字优势 */
.advantage-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-item {
    padding: 26px 22px;
    text-align: center;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
}

.advantage-item strong {
    display: block;
    color: var(--ck-primary);
    font-size: 32px;
    line-height: 1.2;
    font-weight: 700;
}

.advantage-item span {
    color: var(--ck-muted);
    font-size: 13.5px;
}

/* 「为什么选择我们」编号：渐变大数字，装饰化处理（R14） */
.ck-section .advantage-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 42px;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #164e9c 20%, #12b3a8 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

/* 带说明文字的优势卡片（首页「为什么选择我们」） */
.advantage-item p {
    margin: 12px 0 0;
    color: var(--ck-muted);
    font-size: 13.5px;
    line-height: 1.85;
    text-align: left;
}

/* 「为什么选择我们」动效（R19）：
   入场级联浮现 + 大数字渐变流光 + 悬浮抬升与顶部渐变条 */
.ck-advantage .advantage-item {
    position: relative;
    overflow: hidden;
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

/* 顶部渐变条：悬浮时从中心向两侧生长 */
.ck-advantage .advantage-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 0;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: linear-gradient(90deg, #164e9c, #12b3a8);
    transform: translateX(-50%);
    transition: width .4s ease;
}

.ck-advantage .advantage-item:hover {
    transform: translateY(-6px);
    border-color: rgba(18, 179, 168, .45);
    box-shadow: 0 14px 32px rgba(22, 78, 156, .10);
}

.ck-advantage .advantage-item:hover::before {
    width: 58%;
}

/* 大数字：缓慢流光扫过（各卡错峰形成波浪） */
.ck-advantage .advantage-item strong {
    background: linear-gradient(110deg,
        #164e9c 28%, #12b3a8 42%, #6fe3d8 50%, #12b3a8 58%, #164e9c 72%);
    background-size: 240% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    animation: ckNumSheen 7s linear infinite;
}

.ck-advantage .advantage-item:nth-child(2) strong { animation-delay: 1.2s; }
.ck-advantage .advantage-item:nth-child(3) strong { animation-delay: 2.4s; }
.ck-advantage .advantage-item:nth-child(4) strong { animation-delay: 3.6s; }

@keyframes ckNumSheen {
    from { background-position: 220% 0; }
    to   { background-position: -120% 0; }
}

/* 入场级联：四张卡依次浮现 */
.ck-advantage .advantage-list .ck-reveal:nth-child(2) { transition-delay: .12s; }
.ck-advantage .advantage-list .ck-reveal:nth-child(3) { transition-delay: .24s; }
.ck-advantage .advantage-list .ck-reveal:nth-child(4) { transition-delay: .36s; }

/* 图文左右模块 */
.split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.split-block.reverse .split-media {
    order: 2;
}

.split-media img {
    border-radius: var(--ck-radius-lg);
    box-shadow: var(--ck-shadow);
}

.split-content h2 {
    margin-bottom: 16px;
    font-size: 28px;
}

.split-content p {
    color: var(--ck-muted);
    font-size: 15px;
}

.split-points {
    margin: 22px 0 28px;
    padding: 0;
    list-style: none;
}

.split-points li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
    color: var(--ck-body);
    font-size: 14.5px;
}

.split-points li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--ck-accent);
    font-weight: 700;
}

/* 新闻/案例横向卡片网格 */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* 新闻列表（首页） */
.news-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px dashed var(--ck-line);
}

.news-item:last-child { border-bottom: 0; }

.news-date {
    flex-shrink: 0;
    width: 74px;
    text-align: center;
    border-right: 1px solid var(--ck-line);
}

.news-date strong {
    display: block;
    color: var(--ck-primary);
    font-size: 24px;
    line-height: 1.2;
}

.news-date span {
    color: var(--ck-muted);
    font-size: 12.5px;
}

.news-body { flex: 1; min-width: 0; }

.news-body h3 {
    margin: 0 0 6px;
    font-size: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-body h3 a { color: var(--ck-ink); }
.news-body h3 a:hover { color: var(--ck-primary); }

.news-body p {
    margin: 0;
    color: var(--ck-muted);
    font-size: 13.5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 合作客户跑马灯 */
.logo-wall {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.logo-wall-item {
    flex: 1 1 calc(16.666% - 18px);
    min-width: 130px;
    height: 84px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    filter: grayscale(1);
    opacity: .82;
    transition: var(--ck-transition);
}

.logo-wall-item:hover {
    filter: none;
    opacity: 1;
    border-color: #c9d8f0;
}

.logo-wall-item img {
    max-height: 52px;
    object-fit: contain;
}

/* CTA 通栏 */
.cta-band {
    position: relative;
    padding: 60px 0;
    background: linear-gradient(110deg, #0d2450, #11407f 55%, #0b6d75);
    color: #fff;
    overflow: hidden;
}

/* CTA 光斑装饰（R14） */
.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 90% 15%, rgba(18, 179, 168, .3), transparent 38%),
        radial-gradient(circle at 8% 90%, rgba(37, 99, 235, .32), transparent 40%);
    pointer-events: none;
}

.cta-band .container {
    position: relative;
    z-index: 2;
}

.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-band h2 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 26px;
}

.cta-band p {
    margin: 0;
    color: rgba(255, 255, 255, .78);
    font-size: 14.5px;
}

/* CTA 通栏按钮：深色底上改白底蓝字，保证醒目与对比度 */
.cta-band .btn-ck {
    background: #fff;
    color: var(--ck-primary);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}

.cta-band .btn-ck:hover,
.cta-band .btn-ck:focus {
    background: #fff;
    color: var(--ck-primary);
    transform: translateY(-2px);
}

.cta-band .btn-ck.btn-ck-light {
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .5);
    color: #fff;
}

.cta-band .btn-ck.btn-ck-light:hover,
.cta-band .btn-ck.btn-ck-light:focus {
    background: #fff;
    color: var(--ck-primary);
}

/* ==========================================================================
   09 产品中心
   ========================================================================== */
.cat-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.cat-nav-item {
    position: relative;
    display: block;
    height: 132px;
    border-radius: var(--ck-radius-lg);
    background: linear-gradient(120deg, #14315f, #1a5aa8);
    color: #fff;
    overflow: hidden;
    transition: var(--ck-transition);
}

.cat-nav-item:nth-child(2) { background: linear-gradient(120deg, #0d4a53, #12a49a); }
.cat-nav-item:nth-child(3) { background: linear-gradient(120deg, #5a3a12, #d08a2a); }
.cat-nav-item:nth-child(4) { background: linear-gradient(120deg, #2c2670, #6a5be0); }

.cat-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--ck-shadow-lg);
    color: #fff;
}

.cat-nav-inner {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    padding: 0 24px;
}

.cat-nav-inner i {
    margin-bottom: 8px;
    font-size: 24px;
    opacity: .9;
}

.cat-nav-inner strong {
    font-size: 18px;
    letter-spacing: .5px;
}

.cat-nav-inner span {
    color: rgba(255, 255, 255, .72);
    font-size: 12.5px;
    letter-spacing: .5px;
    text-transform: uppercase;
}

/* 产品卡片 */
.product-card .ck-thumb { background: #fff; }

.product-card .ck-thumb img {
    object-fit: contain;
    padding: 14px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.product-price {
    margin-top: 10px;
    color: #d9534f;
    font-size: 17px;
    font-weight: 700;
}

/* 产品详情 */
.product-gallery {
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    overflow: hidden;
    background: #fff;
}

.gallery-main {
    position: relative;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

.gallery-main img {
    max-height: 100%;
    object-fit: contain;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    padding: 12px;
    border-top: 1px solid var(--ck-line);
    overflow-x: auto;
}

.gallery-thumbs img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
}

.gallery-thumbs img.active {
    border-color: var(--ck-primary);
}

.product-summary h1 {
    margin-bottom: 12px;
    font-size: 26px;
}

.product-summary .product-intro {
    margin: 16px 0;
    padding: 16px 18px;
    background: var(--ck-bg);
    border-left: 3px solid var(--ck-primary);
    border-radius: 0 8px 8px 0;
    color: var(--ck-body);
    font-size: 14.5px;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14.5px;
}

.spec-table th,
.spec-table td {
    padding: 10px 14px;
    border: 1px solid var(--ck-line);
}

.spec-table th {
    width: 160px;
    background: var(--ck-bg);
    color: var(--ck-ink);
    font-weight: 500;
    text-align: left;
}

/* ==========================================================================
   10 解决方案
   ========================================================================== */
.solution-card {
    position: relative;
    display: block;
    height: 300px;
    border-radius: var(--ck-radius-lg);
    overflow: hidden;
    color: #fff;
    background: #123a76;
}

.solution-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.solution-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9, 22, 44, .1) 0%, rgba(9, 22, 44, .82) 100%);
}

.solution-card:hover img { transform: scale(1.06); }

.solution-card-body {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 24px;
}

.solution-card-body h3 {
    margin: 0 0 6px;
    color: #fff;
    font-size: 19px;
}

.solution-card-body p {
    margin: 0;
    color: rgba(255, 255, 255, .78);
    font-size: 13.5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.scene-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.scene-list li {
    padding: 6px 16px;
    border: 1px solid var(--ck-line-d);
    border-radius: 40px;
    color: var(--ck-body);
    font-size: 13.5px;
    background: #fff;
}

/* ==========================================================================
   11 成功案例
   ========================================================================== */
.case-card .ck-thumb::before { padding-top: 72%; }

.case-overlay {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    padding: 18px 20px;
    background: linear-gradient(180deg, transparent, rgba(9, 22, 44, .78));
    color: #fff;
    transform: translateY(0);
    transition: var(--ck-transition);
}

.case-overlay h3 {
    margin: 0 0 4px;
    color: #fff;
    font-size: 16.5px;
}

.case-overlay .case-client {
    color: rgba(255, 255, 255, .8);
    font-size: 13px;
}

.case-info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    padding: 16px 20px 20px;
    color: var(--ck-muted);
    font-size: 13.5px;
}

.case-info b {
    color: var(--ck-ink);
    font-weight: 500;
}

/* 案例筛选 */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.filter-bar a {
    padding: 7px 20px;
    border: 1px solid var(--ck-line-d);
    border-radius: 40px;
    color: var(--ck-body);
    font-size: 14px;
    background: #fff;
}

.filter-bar a:hover {
    border-color: var(--ck-primary);
    color: var(--ck-primary);
}

.filter-bar a.active {
    background: var(--ck-primary);
    border-color: var(--ck-primary);
    color: #fff;
}

/* ==========================================================================
   12 新闻资讯
   ========================================================================== */
.article-card .ck-card-body { padding: 18px 20px 22px; }

.article-card .ck-meta { margin-top: 12px; }

.article-top-flag {
    position: absolute;
    left: 12px;
    top: 12px;
    z-index: 3;
    padding: 2px 10px;
    border-radius: 4px;
    background: #e8542f;
    color: #fff;
    font-size: 12px;
}

/* ==========================================================================
   13 人才招聘
   ========================================================================== */
.job-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 26px;
    margin-bottom: 16px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    transition: var(--ck-transition);
}

.job-item:hover {
    border-color: #c9d8f0;
    box-shadow: var(--ck-shadow);
}

.job-main { flex: 1; min-width: 0; }

.job-main h3 {
    margin: 0 0 10px;
    font-size: 18px;
}

.job-main h3 a { color: var(--ck-ink); }
.job-main h3 a:hover { color: var(--ck-primary); }

.job-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    color: var(--ck-muted);
    font-size: 13.5px;
}

.job-tags i { margin-right: 4px; color: var(--ck-primary); }

.job-salary {
    flex-shrink: 0;
    color: #d9534f;
    font-size: 17px;
    font-weight: 700;
    white-space: nowrap;
}

.job-block {
    margin-bottom: 26px;
}

.job-block h3 {
    position: relative;
    padding-left: 14px;
    margin-bottom: 14px;
    font-size: 18px;
}

.job-block h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 3px;
    background: var(--ck-primary);
}

.job-block-body {
    color: var(--ck-body);
    font-size: 14.5px;
}

/* ==========================================================================
   14 资料下载
   ========================================================================== */
.download-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 22px 24px;
    margin-bottom: 14px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    transition: var(--ck-transition);
}

.download-item:hover {
    border-color: #c9d8f0;
    box-shadow: var(--ck-shadow-sm);
}

.download-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--ck-primary-l);
    color: var(--ck-primary);
    font-size: 22px;
}

.download-icon.ext-pdf { background: #fdecec; color: #d9453f; }
.download-icon.ext-doc { background: #eaf1fd; color: #2b62c4; }
.download-icon.ext-xls { background: #eaf7ef; color: #1f8b4c; }
.download-icon.ext-zip { background: #fdf4e6; color: #c88a1c; }

.download-main { flex: 1; min-width: 0; }

.download-main h3 {
    margin: 0 0 6px;
    font-size: 16.5px;
}

.download-main h3 a { color: var(--ck-ink); }
.download-main h3 a:hover { color: var(--ck-primary); }

.download-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    color: var(--ck-muted);
    font-size: 13px;
}

/* ==========================================================================
   15 内容详情与侧栏
   ========================================================================== */
.layout-with-side {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
}

.article-head {
    padding-bottom: 20px;
    margin-bottom: 26px;
    border-bottom: 1px solid var(--ck-line);
}

.article-head h1 {
    margin: 0 0 14px;
    font-size: 28px;
    line-height: 1.45;
}

.article-head .ck-meta {
    gap: 8px 20px;
}

.article-head .article-subtitle {
    margin: 0 0 14px;
    color: var(--ck-muted);
    font-size: 14.5px;
}

/* 富文本正文 */
.article-content {
    color: var(--ck-body);
    font-size: 16px;
    line-height: 2;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.article-content p { margin: 0 0 18px; }

.article-content h2,
.article-content h3,
.article-content h4 {
    margin: 32px 0 14px;
    padding-left: 12px;
    border-left: 4px solid var(--ck-primary);
}

.article-content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 22px auto;
    border-radius: 8px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 18px;
    padding-left: 26px;
}

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

.article-content blockquote {
    margin: 22px 0;
    padding: 16px 22px;
    background: var(--ck-bg);
    border-left: 4px solid var(--ck-accent);
    border-radius: 0 8px 8px 0;
    color: var(--ck-body);
}

.article-content blockquote p:last-child { margin-bottom: 0; }

.article-content table {
    width: 100%;
    margin: 22px 0;
    border-collapse: collapse;
    font-size: 14.5px;
}

.article-content table th,
.article-content table td {
    padding: 10px 14px;
    border: 1px solid var(--ck-line);
}

.article-content table th {
    background: var(--ck-bg);
    color: var(--ck-ink);
    font-weight: 500;
}

.article-content pre {
    padding: 16px 18px;
    background: #1a2436;
    color: #e6edf7;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.7;
}

.article-content code {
    padding: 2px 6px;
    background: var(--ck-bg-soft);
    border-radius: 4px;
    color: #c0392b;
    font-size: 14px;
}

.article-content pre code {
    padding: 0;
    background: none;
    color: inherit;
}

/* 上下篇 */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 34px;
    padding-top: 26px;
    border-top: 1px solid var(--ck-line);
}

.article-nav a {
    padding: 14px 18px;
    background: var(--ck-bg);
    border-radius: 8px;
    color: var(--ck-body);
    font-size: 14px;
}

.article-nav a:hover {
    background: var(--ck-primary-l);
    color: var(--ck-primary);
}

.article-nav .nav-label {
    display: block;
    margin-bottom: 4px;
    color: var(--ck-muted);
    font-size: 12.5px;
}

.article-nav .text-end .nav-label,
.article-nav .text-end span:last-child {
    text-align: right;
}

/* 标签组 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    color: var(--ck-muted);
    font-size: 13.5px;
}

/* 上一篇/下一篇结束 */

/* 侧栏 */
.sidebar { position: sticky; top: calc(var(--ck-header-h) + 16px); }

.side-box {
    margin-bottom: 22px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    overflow: hidden;
}

.side-title {
    position: relative;
    margin: 0;
    padding: 15px 20px;
    background: var(--ck-bg);
    border-bottom: 1px solid var(--ck-line);
    font-size: 16px;
}

.side-title::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 15px;
    margin-right: 9px;
    border-radius: 3px;
    background: var(--ck-primary);
    vertical-align: -2px;
}

.side-body { padding: 16px 20px 20px; }

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

.side-list li {
    padding: 11px 0;
    border-bottom: 1px dashed var(--ck-line);
}

.side-list li:last-child { border-bottom: 0; }

.side-list a {
    display: flex;
    align-items: baseline;
    gap: 8px;
    color: var(--ck-body);
    font-size: 14.5px;
}

.side-list a:hover { color: var(--ck-primary); }

.side-list .idx {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 5px;
    background: var(--ck-bg-soft);
    color: var(--ck-muted);
    font-size: 12px;
    transform: translateY(2px);
}

.side-list li:nth-child(-n+3) .idx {
    background: var(--ck-primary);
    color: #fff;
}

.side-list .side-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.side-thumb-list li a {
    align-items: center;
    gap: 12px;
}

.side-thumb-list img {
    width: 84px;
    height: 56px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.side-thumb-list .side-text {
    white-space: normal;
    line-height: 1.6;
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 联系我们侧栏卡 */
.side-contact {
    padding: 22px 20px;
    background: linear-gradient(140deg, #12406f, #0f6b74);
    color: #fff;
    border-radius: var(--ck-radius);
    text-align: center;
}

.side-contact h3 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 6px;
}

.side-contact .side-tel {
    display: block;
    margin: 10px 0 4px;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .5px;
}

.side-contact small {
    display: block;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, .7);
    font-size: 12.5px;
}

/* 空状态 */
.empty-state {
    padding: 70px 20px;
    text-align: center;
    color: var(--ck-muted);
}

.empty-state i {
    display: block;
    margin-bottom: 14px;
    font-size: 46px;
    color: #ccd6e4;
}

/* 404 */
.error-page {
    padding: 90px 20px;
    text-align: center;
}

.error-page .error-code {
    font-size: 96px;
    font-weight: 700;
    line-height: 1;
    background: linear-gradient(120deg, var(--ck-primary), var(--ck-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.error-page h1 {
    margin: 18px 0 10px;
    font-size: 22px;
}

.error-page p {
    color: var(--ck-muted);
    margin-bottom: 26px;
}

/* ==========================================================================
   16 在线留言与联系我们
   ========================================================================== */
.form-card {
    padding: 32px 34px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius-lg);
    box-shadow: var(--ck-shadow-sm);
}

.contact-info-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.contact-info-list li {
    display: flex;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px dashed var(--ck-line);
}

.contact-info-list li:last-child { border-bottom: 0; }

.contact-info-list .ci-icon {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--ck-primary-l);
    color: var(--ck-primary);
    font-size: 20px;
}

.contact-info-list .ci-body { min-width: 0; }

.contact-info-list .ci-label {
    display: block;
    color: var(--ck-muted);
    font-size: 13px;
}

.contact-info-list .ci-value {
    color: var(--ck-ink);
    font-size: 16px;
    font-weight: 500;
    word-break: break-all;
}

.map-box {
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius-lg);
    overflow: hidden;
    line-height: 0;
}

.map-box iframe {
    display: block;
    width: 100%;
    height: 380px;
    border: 0;
    filter: grayscale(.15);
}

.map-placeholder {
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    background: var(--ck-bg);
    color: var(--ck-muted);
    font-size: 14px;
    line-height: 1.8;
}

.map-placeholder i { font-size: 34px; color: #c4d0e0; }

/* ---- 留言墙（在线留言页） ----
   结构：.gb-list > .gb-item > .gb-avatar + .gb-body(> .gb-head > .gb-content > .gb-reply)
   联系方式在模板中已脱敏，此处只负责排版，不做任何内容处理。 */
.gb-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.gb-item {
    display: flex;
    gap: 16px;
    padding: 22px 24px;
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius-lg);
    box-shadow: var(--ck-shadow-sm);
}

.gb-avatar {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--ck-primary-l);
    color: var(--ck-primary);
    font-size: 18px;
    font-weight: 600;
}

.gb-body {
    flex: 1;
    min-width: 0;
}

.gb-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.gb-name {
    color: var(--ck-ink);
    font-size: 15px;
    font-weight: 600;
}

.gb-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--ck-muted);
    font-size: 12.5px;
}

.gb-content {
    color: var(--ck-body);
    font-size: 14.8px;
    line-height: 1.9;
    word-break: break-word;
}

.gb-reply {
    margin-top: 14px;
    padding: 14px 16px;
    background: var(--ck-primary-l);
    border-left: 3px solid var(--ck-primary);
    border-radius: 0 8px 8px 0;
}

.gb-reply-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    color: var(--ck-primary);
    font-size: 13px;
    font-weight: 600;
}

.gb-reply-body {
    color: var(--ck-body);
    font-size: 14.2px;
    line-height: 1.85;
    word-break: break-word;
}

@media (max-width: 575.98px) {
    .gb-item { padding: 18px 16px; }

    .gb-avatar {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
}

/* --------------------------------------------------------------------------
   搜索结果关键词高亮
   由 SearchController::highlight() 输出 <mark class="kw-mark">。
   刻意不复用浏览器默认的 <mark> 黄色底：默认色在本站浅色体系里过于刺眼，
   且与主色（--ck-primary）没有关系；这里用主色的浅调做底，保持视觉一致。
   ★ 该类只负责「看起来是命中」这件事，安全性由 highlight() 的
     「先 e() 转义、再 str_ireplace 替换」顺序保证，与本样式无关。
   -------------------------------------------------------------------------- */
.kw-mark {
    padding: 0 2px;
    background: var(--ck-primary-l);
    color: var(--ck-primary);
    border-radius: 2px;
}

/* ==========================================================================
   17 分页
   --------------------------------------------------------------------------
   与 functions.php 的 pager_html() 输出结构对齐：
       <div class="pagination-wrap"><nav class="ck-pager">…</nav></div>
       <nav class="ck-pager"> ul.pagination > li.page-item > a/span.page-link
   ========================================================================== */
.pagination-wrap {
    margin-top: 42px;
    text-align: center;
}

.ck-pager .pagination {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 0;
    padding: 0;
}

.ck-pager .page-item {
    margin: 0;
}

.ck-pager .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 13px;
    border: 1px solid var(--ck-line-d);
    border-radius: 8px;
    background: #fff;
    color: var(--ck-body);
    font-size: 14.5px;
    box-shadow: none;
}

.ck-pager .page-link:hover {
    z-index: 1;
    border-color: var(--ck-primary);
    background: #fff;
    color: var(--ck-primary);
}

.ck-pager .page-item.active .page-link {
    border-color: var(--ck-primary);
    background: var(--ck-primary);
    color: #fff;
}

.ck-pager .page-item.active .page-link:hover {
    color: #fff;
}

.ck-pager .page-item.disabled .page-link {
    border-color: var(--ck-line);
    background: var(--ck-bg);
    color: #b6c1d0;
}

.ck-pager .page-link:focus {
    box-shadow: 0 0 0 3px rgba(22, 87, 196, .12);
}

.pager-total {
    margin-top: 14px;
    color: var(--ck-muted);
    font-size: 13.5px;
}

/* ==========================================================================
   18 页脚与回到顶部
   ========================================================================== */
.site-footer {
    position: relative;
    padding: 62px 0 0;
    /* R18 深空渐变与头部呼应（原纯色 #0d1b30） */
    background: linear-gradient(170deg, #0a1830 0%, #0d2442 55%, #0c3e46 100%);
    color: #93a4bd;
    font-size: 14px;
    overflow: hidden;
}

/* R18 Footer 顶部能量线：与顶栏/科技带同语言，首尾呼应 */
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%, rgba(111, 227, 215, .0) 15%,
        rgba(111, 227, 215, .5) 50%,
        rgba(111, 227, 215, .0) 85%, transparent 100%);
    background-size: 200% 100%;
    animation: footer-line-flow 8s linear infinite;
    pointer-events: none;
}

@keyframes footer-line-flow {
    from { background-position: 100% 0; }
    to   { background-position: -100% 0; }
}

/* R18 角落辉光：右上青、左下蓝，深色底更通透 */
.site-footer::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 92% 0%, rgba(18, 179, 168, .14), transparent 36%),
        radial-gradient(circle at 5% 100%, rgba(37, 99, 235, .16), transparent 38%);
    pointer-events: none;
}

.site-footer .footer-main,
.site-footer .footer-links,
.site-footer .footer-bottom {
    position: relative;
    z-index: 2;
}

.footer-main { padding-bottom: 40px; }

.footer-col { margin-bottom: 30px; }

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.footer-brand-text strong {
    color: #fff;
    font-size: 20px;
    letter-spacing: .5px;
}

.footer-logo { max-height: 46px; }

.footer-desc {
    margin: 0 0 12px;
    color: #93a4bd;
    font-size: 13.5px;
    line-height: 1.9;
}

.footer-credit {
    margin: 0;
    color: #6b7c96;
    font-size: 12.5px;
}

.footer-title {
    position: relative;
    margin: 0 0 20px;
    padding-bottom: 12px;
    color: #fff;
    font-size: 16px;
}

.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--ck-primary), var(--ck-accent));
    /* R18 标题线发光 */
    box-shadow: 0 0 10px rgba(18, 179, 168, .45);
}

.footer-menu {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-menu li { margin-bottom: 11px; }

.footer-menu a {
    color: #93a4bd;
    font-size: 14px;
}

.footer-menu a:hover {
    color: #fff;
    padding-left: 4px;
    /* R18 链接悬浮微光 */
    text-shadow: 0 0 12px rgba(111, 227, 215, .4);
}

.footer-contact {
    margin: 0 0 18px;
    padding: 0;
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 12px;
    color: #93a4bd;
    font-size: 13.5px;
    flex-wrap: wrap;
}

.footer-contact i {
    color: var(--ck-accent);
}

/* R19 品牌列的联系方式：与简介文字之间留出间距 */
.footer-contact-brand {
    margin: 16px 0 0;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, .09);
}

/* R20 首页右侧新闻列表：窄列里日期块收窄、标题换行显示 */
.side-news-list .news-item {
    padding: 14px 0;
    gap: 12px;
}

.side-news-list .news-date {
    width: 52px;
}

.side-news-list .news-date strong {
    font-size: 20px;
}

.side-news-list .news-body h3 {
    font-size: 14.5px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.side-news-list .news-body p {
    -webkit-line-clamp: 2;
    font-size: 12.5px;
}

/* R19 业务咨询列的图标着色 */
.footer-menu a i {
    margin-right: 6px;
    color: var(--ck-accent);
    font-size: .9em;
}

.footer-contact span {
    color: #6b7c96;
    font-size: 12.5px;
}

.footer-contact a,
.footer-contact em {
    color: #dbe4f0;
    font-style: normal;
    word-break: break-all;
}

.footer-tel {
    color: #fff !important;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: .5px;
}

.btn.footer-more {
    border-radius: 40px;
    padding: 7px 18px;
    font-size: 13.5px;
}

.footer-links {
    padding: 22px 0;
    /* R18 分界线：白色 → 青色微光 */
    border-top: 1px solid rgba(111, 227, 215, .14);
    font-size: 13.5px;
    line-height: 2.2;
}

.footer-links-label {
    color: #6b7c96;
    margin-right: 6px;
}

.footer-links a {
    margin-right: 18px;
    color: #93a4bd;
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 20px 0 26px;
    border-top: 1px solid rgba(111, 227, 215, .14);
}

.footer-copy {
    margin: 0;
    color: #6b7c96;
    font-size: 13px;
}

.footer-copy span,
.footer-copy a {
    margin-right: 14px;
    color: #6b7c96;
}

.footer-copy a:hover { color: #fff; }

.footer-meta {
    margin: 0;
    font-size: 13px;
}

.footer-meta a {
    margin-left: 16px;
    color: #6b7c96;
}

.footer-meta a:hover { color: #fff; }

/* R23 隐藏式后台入口：默认与底栏背景融为一体（隐形），
   Tab 键聚焦或鼠标悬停时才显形。保留 8px 命中区，盲点角落也能进。 */
.admin-entry-ghost {
    color: transparent;
    font-size: 13px;
    opacity: 0;
    transition: opacity .25s ease, color .25s ease;
}

.admin-entry-ghost:hover,
.admin-entry-ghost:focus-visible {
    color: #6b7c96;
    opacity: 1;
}

.admin-entry-ghost:focus-visible {
    outline: 1px dashed #6b7c96;
    outline-offset: 3px;
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 28px;
    z-index: 1050;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--ck-primary);
    color: #fff;
    font-size: 20px;
    line-height: 46px;
    box-shadow: 0 10px 24px rgba(22, 87, 196, .32);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--ck-transition);
}

.back-to-top.is-show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--ck-primary-d);
}

/* ==========================================================================
   19 响应式断点
   ========================================================================== */
@media (max-width: 1199.98px) {
    .main-menu .nav-link {
        padding: 0 11px;
        font-size: 15px;
    }

    .brand-text small { display: none; }

    .grid-4 { grid-template-columns: repeat(3, 1fr); }

    .layout-with-side { grid-template-columns: minmax(0, 1fr) 290px; gap: 30px; }
}

@media (max-width: 991.98px) {
    body { font-size: 14.5px; }

    .site-navbar > .container {
        min-height: 62px;
        flex-wrap: wrap;
        align-items: center;
    }

    .navbar-collapse {
        flex-basis: 100%;
        padding: 10px 0 18px;
        border-top: 1px solid var(--ck-line);
    }

    .main-menu {
        display: block;
        flex-wrap: wrap;
    }

    .main-menu .nav-item {
        display: block;
        border-bottom: 1px dashed var(--ck-line);
    }

    .main-menu .nav-link {
        height: auto;
        padding: 13px 4px;
        font-size: 15.5px;
    }

    .main-menu .nav-link::after { display: none; }

    .main-menu .dropdown-menu {
        position: static !important;
        transform: none !important;
        margin: 0 0 8px;
        padding: 6px 0 6px 14px;
        border: 0;
        border-left: 2px solid var(--ck-line-d);
        border-radius: 0;
        box-shadow: none;
        background: var(--ck-bg);
    }

    .main-menu .dropdown-submenu > .dropdown-menu {
        position: static !important;
        margin-left: 12px;
    }

    .nav-aside {
        margin: 12px 0 0;
        padding: 0;
    }

    .nav-search {
        position: static;
        display: block;
        padding: 12px 0 0;
        background: none;
        border: 0;
        box-shadow: none;
    }

    #searchToggle { display: none; }

    .hero, .hero-slider .hero-slide { min-height: 460px; }

    .hero-inner { padding: 56px 0; }

    .hero-title { font-size: 32px; }

    .hero-desc { font-size: 15px; }

    .hero-stats { gap: 30px; margin-top: 36px; }

    .hero-stat strong { font-size: 26px; }

    .ck-section { padding: 54px 0; }

    .ck-section-title { font-size: 24px; }

    .page-hero { padding: 54px 0 46px; }

    .page-hero h1 { font-size: 26px; }

    .biz-grid,
    .advantage-list,
    .cat-nav { grid-template-columns: repeat(2, 1fr); }

    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: repeat(2, 1fr); }

    .split-block {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .split-block.reverse .split-media { order: 0; }

    .layout-with-side { grid-template-columns: 1fr; gap: 34px; }

    .sidebar { position: static; }

    .footer-bottom { justify-content: center; text-align: center; }

    .footer-meta a:first-child { margin-left: 0; }

    .gallery-main { height: 320px; }

    .cta-band-inner { justify-content: center; text-align: center; }
}

@media (max-width: 767.98px) {
    .container { padding-left: 16px; padding-right: 16px; }

    /* 移动端隐藏轮播箭头与向下引导（触摸滑动即可，避免小屏元素拥挤） */
    .hero-ctrl,
    .hero-scroll { display: none; }

    h1 { font-size: 24px; }

    .brand-mark { width: 40px; height: 40px; font-size: 21px; }

    .brand-text strong { font-size: 17px; }

    .hero, .hero-slider .hero-slide { min-height: 400px; }

    .hero-title { font-size: 26px; }

    .hero-badge { font-size: 12.5px; }

    .hero-actions .btn-ck { padding: 9px 20px; font-size: 14.5px; }

    .hero-stats { gap: 22px; }

    .hero-stat { flex: 1 1 calc(50% - 22px); }

    .hero-stat strong { font-size: 22px; }

    .ck-section { padding: 42px 0; }

    .ck-section-head { margin-bottom: 30px; }

    .ck-section-title { font-size: 21px; }

    .biz-grid,
    .advantage-list,
    .cat-nav,
    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }

    .biz-card { padding: 26px 22px 24px; }

    .cat-nav-item { height: 108px; }

    .article-head h1 { font-size: 21px; }

    .article-content { font-size: 15.5px; line-height: 1.9; }

    .article-nav { grid-template-columns: 1fr; }

    .article-nav .text-end { text-align: left !important; }

    .article-nav .text-end .nav-label,
    .article-nav .text-end span:last-child { text-align: left; }

    .form-card { padding: 24px 20px; }

    .job-item,
    .download-item { flex-wrap: wrap; gap: 14px; padding: 20px 18px; }

    .job-salary { order: 3; }

    .download-item .btn-ck { width: 100%; justify-content: center; }

    .footer-main { padding-bottom: 20px; }

    .footer-links { line-height: 2; }

    .footer-links a { margin-right: 14px; }

    .footer-copy span,
    .footer-copy a { display: block; margin: 0; }

    .back-to-top {
        right: 16px;
        bottom: 18px;
        width: 42px;
        height: 42px;
        line-height: 42px;
        font-size: 18px;
    }

    .map-box iframe,
    .map-placeholder { height: 260px; }

    .gallery-main { height: 240px; }

    .spec-table th { width: 110px; }

    .error-page .error-code { font-size: 68px; }
}

@media (max-width: 575.98px) {
    .ck-list-item { gap: 12px; }

    .news-date { width: 60px; }

    .news-date strong { font-size: 20px; }

    .topbar { display: none !important; }

    .crumb-bar { padding: 12px 0; }

    .logo-wall-item { flex: 1 1 calc(50% - 18px); min-width: 0; }

    /* 小屏隐藏分页末尾的「共 N 条 / M 页」统计项，避免折行占位 */
    .ck-pager .page-item:last-child { display: none; }

    .ck-pager .page-link {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 14px;
    }
}

/* ==========================================================================
   20 动效与打印
   ========================================================================== */
@keyframes ckFadeDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ck-reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s ease, transform .6s ease;
}

.ck-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 级联入场：同一网格内的卡片依次浮现（R14，作用于常用三/四列网格） */
.grid-3 .ck-reveal:nth-child(2),
.grid-4 .ck-reveal:nth-child(2) { transition-delay: .1s; }

.grid-3 .ck-reveal:nth-child(3),
.grid-4 .ck-reveal:nth-child(3) { transition-delay: .2s; }

.grid-4 .ck-reveal:nth-child(4) { transition-delay: .3s; }

.home-stats .advantage-list .ck-reveal:nth-child(2) { transition-delay: .1s; }
.home-stats .advantage-list .ck-reveal:nth-child(3) { transition-delay: .2s; }
.home-stats .advantage-list .ck-reveal:nth-child(4) { transition-delay: .3s; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .ck-reveal,
    .ck-card,
    .biz-card,
    .ck-thumb img {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
    }

    /* R15 首屏装饰动画全停（文字仍可见，网格/辉光定格为静态） */
    .hero::before,
    .hero-stars::before,
    .hero-stars::after,
    .hero-beams,
    .hero-slider .hero-slide::after,
    .hero-slider .carousel-item.active .hero-title,
    .hero-slider .carousel-item.carousel-item-next.carousel-item-start .hero-title,
    .hero-slider .carousel-item.carousel-item-prev.carousel-item-end .hero-title {
        animation: none !important;
    }

    /* R18 科技带动画全停 */
    .home-stats::after,
    .home-stats .advantage-item::before,
    .home-stats .advantage-item .stat-ico {
        animation: none !important;
    }

    /* R18 导航栏动画全停 */
    .topbar::after {
        animation: none !important;
    }

    /* R18 Footer 动画全停 */
    .site-footer::before {
        animation: none !important;
    }

    /* R19 优势卡动效全停（流光定格、无悬浮位移） */
    .ck-advantage .advantage-item,
    .ck-advantage .advantage-item::before {
        transition: none !important;
    }

    .ck-advantage .advantage-item:hover {
        transform: none;
        box-shadow: none;
    }

    .ck-advantage .advantage-item strong {
        animation: none !important;
        background-position: 50% 0;
    }
}

@media print {
    .topbar,
    .site-header,
    .crumb-bar,
    .site-footer,
    .back-to-top,
    .sidebar,
    .ck-section-more {
        display: none !important;
    }

    body {
        color: #000;
        font-size: 12pt;
    }

    .article-content a::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #555;
    }
}