/*
 * ETheme-Block — cta（联系转化条）
 */

.etb-cta {
	position: relative;
	box-sizing: border-box;
	width: 100%;
	padding-block: var(--eth-section-space-y, 3rem);
}

/* ============================================================
 * 背景图片 / 遮罩
 * ============================================================ */

/* The default inherits the theme section rhythm; compact is useful inside dense landing pages. */
.etb-cta--padding-compact {
	padding-block: clamp(1.25rem, 2.5vw, 2.25rem);
}

.etb-cta--padding-compact .etb-cta__inner {
	padding-block: clamp(1rem, 2vw, 1.5rem);
}

.etb-cta--has-bg {
	background-position: center;
	background-size: cover;
	background-repeat: no-repeat;
}

@media (min-width: 768px) {
	.etb-cta--has-bg.etb-cta--bg-fixed {
		background-attachment: fixed;
	}
}

.etb-cta__overlay {
	position: absolute;
	z-index: 1;
	inset: 0;
	background: var(--eth-dark, #000);
	pointer-events: none;
}

.etb-cta__inner > * {
	position: relative;
	z-index: 2;
}

/* ============================================================
 * 布局：standard（容器内） vs full（全宽横幅）
 * ============================================================ */

.etb-cta__inner {
	display: flex;
	flex-direction: column;
	gap: var(--eth-space-m, 1.5rem);
	align-items: center;
	justify-content: space-between;
	max-width: var(--eth-container, 1350px);
	margin-inline: auto;
	padding: var(--eth-space-l, 2.5rem) var(--eth-space-m, 1.5rem);
	text-align: center;
}

.etb-cta--layout-full .etb-cta__inner {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	gap: var(--eth-space-m, 1.5rem);
	align-items: center;
	justify-content: space-between;
}

.etb-cta--layout-full .etb-cta__content {
	text-align: left;
}

/* ============================================================
 * 对齐：center / left
 * ============================================================ */

.etb-cta--align-left .etb-cta__inner {
	align-items: flex-start;
	text-align: left;
}

.etb-cta--align-left .etb-cta__actions {
	justify-content: flex-start;
}

.etb-cta--align-left .etb-cta__content {
	margin-inline: 0;
}

/* ============================================================
 * 边框
 * ============================================================ */

.etb-cta--border .etb-cta__inner {
	border: 1px solid var(--eth-border, rgba(0, 0, 0, 0.12));
	border-radius: var(--eth-radius-m, 0.8rem);
}

.etb-cta--bg-soft.etb-cta--border .etb-cta__inner {
	border-color: var(--eth-primary-20, rgba(79, 70, 229, 0.2));
}

.etb-cta--bg-accent.etb-cta--border .etb-cta__inner {
	border-color: var(--eth-light-60, rgba(255, 255, 255, 0.25));
}

/* ============================================================
 * 内容
 * ============================================================ */

.etb-cta__content {
	display: flex;
	flex-direction: column;
	gap: var(--eth-space-2xs, 0.6rem);
	max-width: var(--eth-container-narrow, 720px);
}

.etb-cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--eth-space-s, 1rem);
	align-items: center;
	justify-content: center;
}

/* 背景变体 */
.etb-cta--bg-accent {
	background: var(--eth-primary, #4f46e5);
}

.etb-cta--bg-accent .etb-cta__heading,
.etb-cta--bg-accent .etb-cta__description {
	color: var(--eth-light, #fff);
}

.etb-cta--bg-accent .eth-btn--primary {
	background: var(--eth-light, #fff);
	color: var(--eth-primary, #4f46e5);
}

.etb-cta--bg-accent .eth-btn--primary:hover {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta--bg-soft {
	background: var(--eth-primary-10, #eef2ff);
}

.etb-cta--bg-primary-deep {
	background: var(--eth-primary-d-1, #3730a3);
}

.etb-cta--bg-secondary {
	background: var(--eth-secondary, #0f766e);
}

.etb-cta--bg-secondary-deep {
	background: var(--eth-secondary-d-1, #115e59);
}

.etb-cta--bg-gradient {
	background: linear-gradient(135deg, var(--eth-primary, #4f46e5), var(--eth-secondary, #0f766e));
}

.etb-cta--bg-none {
	background: transparent;
}

.etb-cta--bg-inverted.theme-inverted .etb-cta__inner {
	background: var(--eth-dark, #000);
}

.etb-cta--bg-primary-deep .etb-cta__heading,
.etb-cta--bg-primary-deep .etb-cta__description,
.etb-cta--bg-secondary .etb-cta__heading,
.etb-cta--bg-secondary .etb-cta__description,
.etb-cta--bg-secondary-deep .etb-cta__heading,
.etb-cta--bg-secondary-deep .etb-cta__description,
.etb-cta--bg-gradient .etb-cta__heading,
.etb-cta--bg-gradient .etb-cta__description,
.etb-cta--bg-inverted .etb-cta__heading,
.etb-cta--bg-inverted .etb-cta__description {
	color: var(--eth-light, #fff);
}

.etb-cta--bg-primary-deep .eth-btn--primary,
.etb-cta--bg-secondary .eth-btn--primary,
.etb-cta--bg-secondary-deep .eth-btn--primary,
.etb-cta--bg-gradient .eth-btn--primary,
.etb-cta--bg-inverted .eth-btn--primary {
	background: var(--eth-light, #fff);
	border-color: var(--eth-light, #fff);
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta.etb-cta--bg-primary-deep .etb-button-block .etb-button-block__button.eth-btn--primary,
.etb-cta.etb-cta--bg-secondary .etb-button-block .etb-button-block__button.eth-btn--primary,
.etb-cta.etb-cta--bg-secondary-deep .etb-button-block .etb-button-block__button.eth-btn--primary,
.etb-cta.etb-cta--bg-gradient .etb-button-block .etb-button-block__button.eth-btn--primary,
.etb-cta.etb-cta--bg-inverted .etb-button-block .etb-button-block__button.eth-btn--primary {
	background: var(--eth-light, #fff);
	border-color: var(--eth-light, #fff);
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta--bg-primary-deep .eth-btn--primary:hover,
.etb-cta--bg-secondary .eth-btn--primary:hover,
.etb-cta--bg-secondary-deep .eth-btn--primary:hover,
.etb-cta--bg-gradient .eth-btn--primary:hover,
.etb-cta--bg-inverted .eth-btn--primary:hover,
.etb-cta--bg-primary-deep .eth-btn--primary:focus,
.etb-cta--bg-secondary .eth-btn--primary:focus,
.etb-cta--bg-secondary-deep .eth-btn--primary:focus,
.etb-cta--bg-gradient .eth-btn--primary:focus,
.etb-cta--bg-inverted .eth-btn--primary:focus {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	border-color: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta.etb-cta--bg-primary-deep .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--bg-primary-deep .etb-button-block .etb-button-block__button.eth-btn--primary:focus,
.etb-cta.etb-cta--bg-secondary .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--bg-secondary .etb-button-block .etb-button-block__button.eth-btn--primary:focus,
.etb-cta.etb-cta--bg-secondary-deep .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--bg-secondary-deep .etb-button-block .etb-button-block__button.eth-btn--primary:focus,
.etb-cta.etb-cta--bg-gradient .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--bg-gradient .etb-button-block .etb-button-block__button.eth-btn--primary:focus,
.etb-cta.etb-cta--bg-inverted .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--bg-inverted .etb-button-block .etb-button-block__button.eth-btn--primary:focus {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	border-color: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

/* 背景图片模式下用亮色文字兜底 */
.etb-cta--has-bg .etb-cta__heading,
.etb-cta--has-bg .etb-cta__description {
	color: var(--eth-light, #fff);
}

@media (max-width: 767px) {
	.etb-cta--has-bg.etb-cta--bg-fixed {
		background-attachment: scroll;
	}

	.etb-cta--layout-full .etb-cta__inner {
		flex-direction: column;
		align-items: center;
		text-align: center;
	}

	.etb-cta__inner {
		align-items: center;
		text-align: center;
	}

	.etb-cta__actions {
		width: 100%;
	}

	.etb-cta__button {
		width: 100%;
	}
}

/* ============================================================
 * 按钮兜底（0.9.2：不依赖主题 .eth-btn，任何主题下文字可见）
 * ============================================================ */

.etb-cta__actions .eth-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.7em 1.5em;
	border: 1px solid transparent;
	border-radius: var(--eth-radius-m, 0.5rem);
	font-size: var(--eth-fs-small, 0.9rem);
	font-weight: var(--eth-fw-semibold, 600);
	line-height: 1.1;
	text-decoration: none;
	cursor: pointer;
}

.etb-cta__actions .eth-btn--primary {
	background: var(--eth-primary, #4f46e5);
	color: var(--eth-light, #fff);
	transition: background var(--eth-transition-s, 0.15s ease), color var(--eth-transition-s, 0.15s ease);
}

.etb-cta__actions .eth-btn--primary:hover {
	background: var(--eth-primary-d-1, #3730a3);
	color: var(--eth-light, #fff);
}

.etb-cta--bg-accent .etb-cta__actions .eth-btn--primary {
	background: var(--eth-light, #fff);
	color: var(--eth-primary, #4f46e5);
}

.etb-cta.etb-cta--bg-accent .etb-cta__actions .etb-button-block .etb-button-block__button.eth-btn--primary {
	background: var(--eth-light, #fff);
	border-color: var(--eth-light, #fff);
	color: var(--eth-primary, #4f46e5);
}

.etb-cta--bg-accent .etb-cta__actions .eth-btn--primary:hover {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta.etb-cta--bg-accent .etb-cta__actions .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--bg-accent .etb-cta__actions .etb-button-block .etb-button-block__button.eth-btn--primary:focus {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	border-color: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta--has-bg .etb-cta__actions .eth-btn--primary {
	background: var(--eth-light, #fff);
	color: var(--eth-primary, #4f46e5);
}

.etb-cta.etb-cta--has-bg .etb-cta__actions .etb-button-block .etb-button-block__button.eth-btn--primary {
	background: var(--eth-light, #fff);
	border-color: var(--eth-light, #fff);
	color: var(--eth-primary, #4f46e5);
}

.etb-cta--has-bg .etb-cta__actions .eth-btn--primary:hover {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

.etb-cta.etb-cta--has-bg .etb-cta__actions .etb-button-block .etb-button-block__button.eth-btn--primary:hover,
.etb-cta.etb-cta--has-bg .etb-cta__actions .etb-button-block .etb-button-block__button.eth-btn--primary:focus {
	background: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	border-color: var(--eth-light-80, rgba(255, 255, 255, 0.8));
	color: var(--eth-primary-d-1, #3730a3);
}

/* ============================================================
 * 动效（偏克制：8px + 0.25s）
 * ============================================================ */

.etb-cta__button {
	transition: transform var(--eth-transition-s, 0.15s ease), box-shadow var(--eth-transition-s, 0.15s ease);
}

.etb-cta__button:hover {
	transform: translateY(-2px);
	box-shadow: var(--eth-shadow-m, 0 4px 12px rgba(0, 0, 0, 0.15));
}

.etb-cta--has-bg .etb-cta__inner {
	transition: transform 0.35s ease;
}

:where(html.etb-has-js) .etb-cta.etb-reveal .etb-cta__inner {
	opacity: 0;
	transform: translateY(8px);
	transition: opacity 0.25s ease, transform 0.25s ease;
}

.etb-cta.etb-reveal--visible .etb-cta__inner,
.etb-cta.etb-no-anim .etb-cta__inner {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	.etb-cta__button,
	.etb-cta--has-bg .etb-cta__inner,
	.etb-cta.etb-reveal .etb-cta__inner {
		transition: none;
	}

	.etb-cta.etb-reveal .etb-cta__inner {
		opacity: 1;
		transform: none;
	}
}