/* 水泥建材行业页 — 小屏（仅通过 media enqueue，内部不再写 @media） */

.cement-industry-page {
	width: 100%;
	max-width: 100%;
}

.cement-industry-page .section {
	width: 100% !important;
	max-width: 100% !important;
	padding-left: 1rem;
	padding-right: 1rem;
	box-sizing: border-box;
}

.cement-industry-page img {
	max-width: 100%;
}

.cement-industry-page .cement-section,
.cement-industry-page .petro-section {
	padding-top: 3.125rem;
	padding-bottom: 3.125rem;
}

.cement-industry-page .cement-section__h2,
.cement-industry-page .petro-section__h2 {
	font-size: 1.75rem !important;
	line-height: 2.25rem !important;
	margin-bottom: 2rem !important;
}

.cement-industry-page .petro-hero,
.cement-industry-page .petro-hero__inner {
	min-height: 28.75rem;
}

.cement-industry-page .petro-hero__inner {
	align-items: flex-start;
}

.cement-industry-page .petro-hero__panel {
	width: 100%;
}

.cement-industry-page .petro-hero__title {
	font-size: 2rem !important;
	line-height: 2.625rem !important;
}

.cement-industry-page .petro-hero__subtitle {
	font-size: 1rem;
	line-height: 1.5rem;
}

.cement-industry-page .petro-hero__subtitle br {
	display: none;
}

.cement-base-grid,
.cement-industry-page .petro-product-grid {
	flex-direction: column;
	gap: 1rem;
}

/* 全栈定位产品矩阵：小屏纵向无缝拼接 */
.cement-industry-page .petro-matrix {
	flex-direction: column;
	flex-wrap: nowrap;
	align-items: stretch;
	gap: 0;
	width: 100%;
	max-width: 100%;
}

.cement-section--matrix .cement-section__h2 {
	padding-left: 1rem;
	padding-right: 1rem;
	box-sizing: border-box;
}

.cement-base-card,
.cement-industry-page .petro-product-card {
	width: 100%;
	flex: none;
	min-height: 0;
	padding: 1.5rem 1rem;
}

.cement-base-card:hover,
.cement-industry-page .petro-product-card:hover {
	box-shadow: none;
}

/* §9.1.10 卡片标题 1.25rem / 正文 1rem */
.cement-industry-page .cement-base-card__title,
.cement-industry-page .cement-base-card__title-line,
.cement-industry-page .petro-product-card__title,
.cement-industry-page .petro-matrix__title,
.cement-industry-page .petro-matrix__overlay .petro-matrix__title {
	font-size: 1.25rem !important;
	line-height: 1.75rem !important;
}

.cement-industry-page .cement-base-card__desc,
.cement-industry-page .petro-product-card__desc,
.cement-industry-page .petro-matrix__overlay .petro-matrix__desc,
.cement-industry-page .petro-matrix__desc {
	font-size: 1rem !important;
	line-height: 1.5rem !important;
}

/* 应用功能手风琴（压过 PC 1.75rem / 1.625rem 开合态） */
.cement-industry-page .petro-app-item__title,
.cement-industry-page .petro-app-item.is-open .petro-app-item__title,
.cement-industry-page .petro-app-item:not(.is-open) .petro-app-item__title {
	font-size: 1.25rem !important;
	line-height: 1.75rem !important;
}

.cement-industry-page .petro-app-item__desc {
	font-size: 1rem !important;
	line-height: 1.5rem !important;
}

.cement-industry-page .petro-app-layout.cement-app-layout {
	flex-direction: column;
	align-items: stretch;
	height: auto;
	min-height: 0;
	gap: 1.5rem;
}

.cement-industry-page .petro-app-accordion,
.cement-industry-page .petro-app-media--cement-yygn {
	width: 100%;
	max-width: 100%;
}

.cement-industry-page .petro-app-media--cement-yygn {
	height: auto;
	aspect-ratio: 1007 / 556;
	min-height: 0;
}

.cement-arch-diagram__img {
	width: 100%;
	max-width: none;
	height: auto;
}

.cement-industry-page .petro-matrix__col--photo {
	flex: none;
	width: 100%;
	min-width: 0;
	overflow: hidden;
	border-radius: 0;
	min-height: auto;
}

.cement-industry-page .petro-matrix__col--photo:first-child {
	border-radius: 1rem 1rem 0 0;
}

.cement-industry-page .petro-matrix__col--photo:last-child {
	border-radius: 0 0 1rem 1rem;
}

.cement-industry-page .petro-matrix__media--photo {
	position: relative;
	width: 100%;
	min-height: 26rem;
	height: 26rem;
}

.cement-industry-page .petro-matrix__media--photo .petro-matrix__img {
	display: block;
	width: 100%;
	height: 100%;
	max-width: none;
	object-fit: cover;
	object-position: center;
}

.cement-industry-page .petro-matrix__overlay {
	top: 2rem;
	padding: 0 1rem;
}

.cement-industry-page .petro-cta {
	padding: 0 0 3.125rem;
}

.cement-industry-page .petro-cta__card {
	min-height: 22rem;
	height: auto;
}

.cement-industry-page .petro-cta__inner {
	padding: 3rem 1rem;
}

.cement-industry-page .petro-cta br {
	display: none;
}

.cement-industry-page .petro-cta__card {
	height: 22rem;
	overflow: hidden;
	border-radius: 1rem;
}

.cement-industry-page .petro-cta__bg-img {
	width: 100% !important;
	height: 100% !important;
	max-width: none !important;
	object-fit: cover;
	object-position: center;
}

.cement-industry-page .petro-cta .petro-cta__title {
	font-size: 1.5rem !important;
	line-height: 2rem !important;
	white-space: normal;
}

.cement-industry-page .petro-cta__lead {
	font-size: 1rem;
	line-height: 1.5rem;
}

.cement-industry-page .petro-cta__sep {
	display: none;
}

.cement-industry-page .petro-cta .petro-cta__lead--subtitle {
	font-size: 1rem !important;
	line-height: 1.5rem !important;
	white-space: normal;
}

.cement-industry-page .petro-cta__btns {
	flex-direction: row;
	flex-wrap: nowrap;
	gap: 1rem;
}

.cement-industry-page .petro-cta__btn--solid {
	width: auto;
	max-width: 100%;
}