/**
 * 全站主题：白蓝科技风 · 主色 #1677ff
 */
:root {
	--color-primary: #1677ff;
	--color-primary-hover: #4096ff;
	--color-primary-active: #0958d9;
	--color-primary-soft: rgba(22, 119, 255, 0.28);
	--color-primary-softer: rgba(22, 119, 255, 0.1);
	--color-header: #ffffff;
	--color-footer: #0c2647;
	--color-header-text: #1e3a5f;
	--color-bg: #f5f8fc;
	--color-bg-elevated: #ffffff;
	--color-bg-muted: #eef4fb;
	--color-bg-card: #ffffff;
	--color-text: #0f2744;
	--color-text-secondary: #475569;
	--color-text-muted: #94a3b8;
	--color-border: rgba(15, 76, 129, 0.12);
	--color-surface: #f0f6fc;
	--color-input-bg: #ffffff;
	--color-input-border: rgba(22, 119, 255, 0.22);
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 16px;
	--radius-pill: 999px;
	--shadow-sm: 0 2px 12px rgba(15, 76, 129, 0.08);
	--shadow-md: 0 10px 32px rgba(15, 76, 129, 0.12);
	--shadow-card-hover: 0 14px 36px rgba(22, 119, 255, 0.15);
	--shadow-primary: 0 6px 24px rgba(22, 119, 255, 0.28);
	--ease-out: cubic-bezier(0.33, 1, 0.68, 1);
	--ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
	--duration: 0.22s;
	--duration-slow: 0.35s;
	--banner-height: 156px;
	--banner-title-size: 26px;
	--banner-title-margin: 8px;
}

html {
	scroll-behavior: smooth;
	overflow-x: hidden;
}

body {
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	background: var(--color-bg);
	color: var(--color-text);
	overflow-x: hidden;
}

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

a {
	transition: color var(--duration) var(--ease-standard),
		opacity var(--duration) var(--ease-standard);
}

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

a:focus-visible {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
}

/* Layui 分页 */
.layui-laypage a,
.layui-laypage span {
	transition: color var(--duration) var(--ease-standard),
		background var(--duration) var(--ease-standard),
		border-color var(--duration) var(--ease-standard),
		transform 0.12s var(--ease-standard);
}

.layui-laypage a {
	color: var(--color-text-secondary) !important;
}

.layui-laypage a:hover {
	color: var(--color-primary) !important;
}

.layui-laypage .layui-laypage-curr .layui-laypage-em {
	background-color: var(--color-primary) !important;
}

.layui-laypage .layui-laypage-curr em {
	color: #fff !important;
}

/* 顶栏吸顶 */
body > #top {
	position: sticky;
	top: 0;
	z-index: 100100;
	width: 100%;
	background: var(--color-header);
	box-shadow: 0 1px 0 rgba(22, 119, 255, 0.18), var(--shadow-sm);
}

body > #top iframe {
	display: block;
	vertical-align: top;
	overflow: hidden;
}

body > #footer {
	background: var(--color-footer);
}

body > #footer iframe {
	display: block;
	vertical-align: top;
	overflow: hidden;
}

/* 子页 banner */
.banner > div:nth-child(2) > div:nth-child(1) {
	color: #fff;
}

/* —— 全站子页：浅色块 —— */
.cert-page,
.tab-content,
.about-page,
.about-article,
.service-cards-section,
.product-page-wrap,
.news-page-wrap,
.contact-page,
.knowledge-page {
	color: var(--color-text);
}

.cert-page__head,
.about-article__head {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
	box-shadow: var(--shadow-sm) !important;
}

.cert-page__eyebrow,
.cert-page__subtitle {
	color: var(--color-text-muted) !important;
}

.cert-page__title,
.about-article__title,
.about-block__title,
.cert-page__title,
.service-cards-section__title {
	color: var(--color-text) !important;
}

.cert-page__lead p,
.about-article__lead,
.about-block__text,
.about-block__subtitle,
.service-cards-section__desc,
.value-pill-list li,
.history-page .timeline__text {
	color: var(--color-text-secondary) !important;
}

.cert-page__lead {
	border-top-color: var(--color-border) !important;
}

.cert-page__lead p {
	background: linear-gradient(90deg, var(--color-primary-softer) 0%, var(--color-bg-card) 55%) !important;
}

.about-block--highlight,
.business-page .about-block--mission,
.business-page .about-block--vision {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
}

.about-product-list li,
.value-pill-list li {
	background: var(--color-bg-elevated) !important;
	border-color: var(--color-border) !important;
	color: var(--color-text-secondary) !important;
}

.about-product-list li:hover {
	background: var(--color-bg-card) !important;
	border-color: rgba(22, 119, 255, 0.45) !important;
}

.value-pill-list__tag {
	color: var(--color-text) !important;
}

.cert-card {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
}

.cert-card__cap {
	background: var(--color-bg-elevated) !important;
	border-top-color: var(--color-border) !important;
	color: var(--color-text-secondary) !important;
}

.cert-card__link {
	background: #f0f6fc !important;
}

.history-page .timeline::before {
	background: linear-gradient(180deg, var(--color-primary) 0%, rgba(22, 119, 255, 0.35) 100%) !important;
}

.history-page .timeline__item::before {
	background: var(--color-bg-card) !important;
}

.history-page .timeline__phase {
	color: var(--color-primary) !important;
}

/* 服务 / 解决方案卡片 */
.service-cards-section {
	background: var(--color-bg) !important;
}

.service-card {
	background: var(--color-bg-card) !important;
	border: 1px solid var(--color-border);
	box-shadow: var(--shadow-sm) !important;
}

.service-card__title {
	color: var(--color-text) !important;
}

.service-card__desc {
	color: var(--color-text-secondary) !important;
}

.service-card__icon {
	background: var(--color-primary-softer) !important;
}

/* 产品列表 */
.product-sidebar,
.product-list-panel,
.product-filter-bar {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
	color: var(--color-text) !important;
}

.product-card,
.product-item {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
}

.product-card__title,
.product-item__name {
	color: var(--color-text) !important;
}

/* 新闻 */
.news-nav,
.knowledge-intro,
.news-list-item,
.article-card {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
	color: var(--color-text-secondary) !important;
}

.news-nav__item--active {
	background: var(--color-primary) !important;
	color: #fff !important;
}

/* 联系表单 */
.contact-form-section,
.contact-methods__card,
.contact-location__info {
	background: var(--color-bg-card) !important;
	border-color: var(--color-border) !important;
}

.contact-form-section__title,
.contact-methods__title,
.contact-location__name {
	color: var(--color-text) !important;
}

.contact-form-section__desc,
.contact-methods__hint,
.contact-location__detail,
.contact-location__sub {
	color: var(--color-text-secondary) !important;
}

.contact-location__item-label {
	color: var(--color-text-muted) !important;
}

.contact-location__item-value {
	color: var(--color-text) !important;
}

.contact-location__item-value--link {
	color: var(--color-primary) !important;
}

.contact-location__item-value--link:hover {
	color: var(--color-primary-hover) !important;
}

.layui-input,
.layui-textarea,
.layui-select .layui-input {
	background: var(--color-input-bg) !important;
	border-color: var(--color-input-border) !important;
	color: var(--color-text) !important;
}

.layui-input::placeholder {
	color: var(--color-text-muted) !important;
}

/* 文章 / 详情 */
.knowledge-article,
.article-body,
.pcontent-wrap {
	background: var(--color-bg) !important;
	color: var(--color-text-secondary) !important;
}

.knowledge-article h1,
.knowledge-article h2,
.article-body h1 {
	color: var(--color-text) !important;
}

/* 子页 hero 已单独定义，正文区默认浅色 */
body:not(.page-about-profile) .tab-content {
	background: transparent;
}

.banner {
	max-height: var(--banner-height);
}

.banner > div:nth-child(1) img {
	width: 100%;
	height: var(--banner-height);
	max-height: 28vh;
	object-fit: cover;
	object-position: center;
	display: block;
	vertical-align: top;
}

.banner > div:nth-child(2) {
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	color: #fff;
	pointer-events: none;
}

.banner > div:nth-child(2) > div:nth-child(2) {
	width: 64px;
	height: 3px;
	background: var(--color-primary);
	border-radius: 2px;
}

@media (max-width: 768px) {
	:root {
		--banner-height: 128px;
		--banner-title-size: 22px;
		--banner-title-margin: 6px;
	}
}

@media (max-width: 480px) {
	:root {
		--banner-height: 112px;
		--banner-title-size: 19px;
	}
}