/* ============================================
   why-us.html 页面专属样式
   移动端优先
   ============================================ */

/* ---- Page Hero Background ---- */
.why-hero {
	background-image:
		linear-gradient(135deg, rgba(13, 13, 13, 0.55) 0%, rgba(26, 26, 46, 0.45) 50%, rgba(15, 52, 96, 0.55) 100%),
		var(--page-hero-bg, none);
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	background-attachment: scroll;
}

.why-hero .page-hero__title,
.why-hero .page-hero__subtitle {
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.55);
}

/* ---- Why Stats Section ---- */
.why-stats {
	padding: 50px 16px;
	background: #f5f7fa;
}

.why-stats__inner {
	max-width: 1200px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
}

.why-stats__item {
	text-align: center;
	padding: 28px 16px;
	background: #ffffff;
	border-radius: 12px;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
	transition: all 0.3s ease;
}

.why-stats__item:hover {
	transform: translateY(-3px);
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.why-stats__num,
.why-stats__text {
	display: block;
	font-size: clamp(30px, 8vw, 44px);
	font-weight: 800;
	font-family: "Archivo", sans-serif;
	color: #4caf50;
	line-height: 1;
	margin-bottom: 10px;
}

.why-stats__label {
	display: block;
	font-size: 15px;
	font-weight: 700;
	color: #1a1a2e;
	margin-bottom: 6px;
}

.why-stats__desc {
	font-size: 13px;
	line-height: 1.6;
	color: #757575;
	margin: 0;
}

@media (min-width: 576px) {
	.why-stats__inner {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 992px) {
	.why-stats {
		padding: 70px 24px;
	}

	.why-stats__inner {
		grid-template-columns: repeat(3, 1fr);
		gap: 28px;
	}
}

/* ---- Why Content Section ---- */
.why-content {
	padding: 50px 16px;
	background: #ffffff;
}

.why-content__inner {
	max-width: 900px;
	margin: 0 auto;
	text-align: center;
}

.why-content__title {
	font-size: clamp(24px, 5vw, 36px);
	font-weight: 700;
	font-family: "Archivo", sans-serif;
	color: #1a1a2e;
	margin: 0 0 24px;
}

.why-content__body {
	text-align: left;
}

.why-content__body p {
	font-size: 15px;
	line-height: 1.8;
	color: #555;
	margin: 0 0 18px;
}

.why-content__body p:last-child {
	margin-bottom: 0;
}

@media (min-width: 768px) {
	.why-content {
		padding: 70px 24px;
	}
}

/* ---- Why Advantages Section ---- */
.why-advantages {
	padding: 50px 16px;
	background: #f5f7fa;
}

.why-advantages__inner {
	max-width: 1200px;
	margin: 0 auto;
}

.why-advantages__heading {
	font-size: clamp(24px, 5vw, 36px);
	font-weight: 700;
	font-family: "Archivo", sans-serif;
	color: #1a1a2e;
	text-align: center;
	margin: 0 0 36px;
}

.why-advantages__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
}

.why-advantages__card {
	padding: 28px 20px;
	background: #ffffff;
	border-radius: 12px;
	text-align: center;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
	transition: all 0.3s ease;
}

.why-advantages__card:hover {
	transform: translateY(-4px);
	box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}

.why-advantages__icon {
	width: 60px;
	height: 60px;
	margin: 0 auto 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: rgba(76, 175, 80, 0.1);
	color: #4caf50;
	font-size: 26px;
	transition: all 0.3s ease;
}

.why-advantages__card:hover .why-advantages__icon {
	background: #4caf50;
	color: #ffffff;
	transform: scale(1.08);
}

.why-advantages__card h3 {
	font-size: 18px;
	font-weight: 700;
	font-family: "Archivo", sans-serif;
	color: #1a1a2e;
	margin: 0 0 10px;
}

.why-advantages__card p {
	font-size: 14px;
	line-height: 1.7;
	color: #616161;
	margin: 0;
}

@media (min-width: 576px) {
	.why-advantages__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 992px) {
	.why-advantages {
		padding: 70px 24px;
	}

	.why-advantages__heading {
		margin-bottom: 48px;
	}

	.why-advantages__grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 28px;
	}
}

/* ---- CTA Section ---- */
.why-cta {
	padding: 60px 16px;
	background: linear-gradient(135deg, #0d0d0d 0%, #1a1a2e 50%, #0f3460 100%);
	text-align: center;
	position: relative;
	overflow: hidden;
}

.why-cta::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: radial-gradient(ellipse at 50% 0%, rgba(76, 175, 80, 0.1) 0%, transparent 60%);
	pointer-events: none;
}

.why-cta__inner {
	position: relative;
	max-width: 700px;
	margin: 0 auto;
}

.why-cta__title {
	font-size: clamp(24px, 5vw, 36px);
	font-weight: 700;
	font-family: "Archivo", sans-serif;
	color: #ffffff;
	margin: 0 0 14px;
}

.why-cta__subtitle {
	font-size: clamp(14px, 2.5vw, 16px);
	line-height: 1.6;
	color: rgba(255, 255, 255, 0.65);
	margin: 0 0 28px;
}

.why-cta__actions {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 14px;
}

.why-cta__btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 13px 32px;
	font-size: 15px;
	font-weight: 600;
	font-family: "Archivo", sans-serif;
	text-decoration: none;
	border-radius: 50px;
	transition: all 0.3s ease;
	border: 2px solid transparent;
}

.why-cta__btn--primary {
	color: #ffffff;
	background: #4caf50;
	border-color: #4caf50;
}

.why-cta__btn--primary:hover {
	background: #43a047;
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(76, 175, 80, 0.35);
}

.why-cta__btn--outline {
	color: #ffffff;
	background: transparent;
	border-color: rgba(255, 255, 255, 0.3);
}

.why-cta__btn--outline:hover {
	border-color: #4caf50;
	color: #4caf50;
	transform: translateY(-2px);
}

@media (min-width: 576px) {
	.why-cta__actions {
		flex-direction: row;
		justify-content: center;
		gap: 16px;
	}
}

@media (min-width: 768px) {
	.why-cta {
		padding: 80px 24px;
	}
}