@charset "utf-8";
/* CSS Document */

/* 我们的服务 */
.sec-service {
	width: 100%;
	background: #000000;
}
.service-main {
	width: 100%;
	height: auto;
	background: rgb(0 0 0 / 80%) url(../images/service-bg1.png) center / cover no-repeat;
	background-blend-mode: multiply;
	padding: 60px 0;
	overflow: hidden;
	scroll-margin-top: 120px;
}

.sec-mgvideo {
	width: 100vw;
	height: 100vh;
}
.mgvideo {
	width: 100%;
	height: 100%;
	background: #002200;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 40px;
}

/* ===== 服务模块内部样式 ===== */
.service-banner {
	width: 96%;
	height: 230px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	color: #fff;
	margin: 0 auto 40px;
	opacity: 0;
	transform: translateY(-60px);
	transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.service-banner.show-animate {
	opacity: 1;
	transform: translateY(0);
}
.banner-en {
	font-family: 'MiSansLight', sans-serif;
	font-size: 36px;
	font-weight: 300;
	margin-bottom: 12px;
	letter-spacing: 2px;
}
.banner-cn {
	font-size: 45px;
	font-weight: 200;
	letter-spacing: 15px;
	font-family: sans-serif;
}

.service-wrap {
	width: 94%;
	margin: 0 auto;
	display: flex;
}

/* ===== 每个服务项 ===== */
.service-item {
	flex: 1;
	margin: 0 20px;
	position: relative;
	cursor: pointer;
	padding-top: 24px;
	opacity: 0;
	transform: translateY(50px);
	transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.service-item:nth-child(1) {
	transition-delay: 0.05s;
}
.service-item:nth-child(2) {
	transition-delay: 0.15s;
}
.service-item:nth-child(3) {
	transition-delay: 0.25s;
}
.service-item:nth-child(4) {
	transition-delay: 0.35s;
}
.service-item:nth-child(5) {
	transition-delay: 0.45s;
}
.service-item.show-animate {
	opacity: 1;
	transform: translateY(0);
}

/* ===== 进度条 ===== */
.progress-track {
	position: absolute;
	left: 0;
	top: -1px;
	width: 100%;
	height: 2px;
	background: rgba(255, 255, 255, 0.12);
	border-radius: 1px;
	z-index: 2;
	overflow: hidden;
	transition: background 0.3s ease;
}
.service-item.active .progress-track {
	background: rgba(255, 255, 255, 0.20);
}

.progress-fill {
	height: 100%;
	width: 0%;
	background: #ff0000;
	border-radius: 1px;
	transition: none;
	will-change: width;
}

/* 悬停时进度条暂停 */
.service-item.hover-pause .progress-track {
	background: rgba(255, 255, 255, 0.08);
}
.service-item.hover-pause .progress-fill {
	opacity: 0.7;
}

/* ===== 标题和描述 ===== */
.item-title {
	font-size: 24px;
	letter-spacing: 3px;
	color: rgba(255, 255, 255, 0.5);
	font-weight: 500;
	margin-bottom: 16px;
	transition: color 0.4s ease;
	display: flex;              /* 关键：flex 容器 */
    align-items: center; 
}
.item-desc li {
	list-style: none;
	font-size: 14px;
	letter-spacing: 3px;
	line-height: 2.2;
	color: rgba(255, 255, 255, 0.4);
	transition: color 0.4s ease;
}

.item-title-icon{
	width: 25px;
	height: 25px;
	margin: 0 18px 0 5px;
	opacity: 0.5;                 /* 默认灰色透明度 */
	transition: opacity 0.4s ease; /* 平滑过渡 */
}

/* 激活或悬停时，图标变为完全不透明（白色文字时） */
.service-item:hover .item-title-icon,
.service-item.active .item-title-icon {
	opacity: 1;
}


.service-item:hover .item-title,
.service-item:hover .item-desc li,
.service-item.active .item-title,
.service-item.active .item-desc li {
	color: #ffffff;
}

.service-bottom-text {
	text-align: center;
	margin-top: 50px;
	font-size: 20px;
	color: rgba(255, 255, 255, 0.3);
	letter-spacing: 6px;
	transition: color 0.6s ease;
}
.service-bottom-text.show-animate {
	color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 1380px) {
	.item-title {
		font-size: 20px;
	}
	.item-title-icon {
		margin: 0 10px 0 5px;
	}

}

@media (max-width: 1285px) {
	.item-title {
		font-size: 18px;
		letter-spacing: 2px;
	}
	.item-title-icon {
		margin: 0 5px 0 5px;
	}

}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
	.service-main {
		padding: 40px 0;
	}
	.service-wrap {
		flex-direction: column;
		gap: 24px;
	}
	.service-item {
		margin: 0 12px;
		padding-top: 20px;
	}
	.service-item:not(:first-child) {
		border-top: 1px solid rgba(255, 255, 255, 0.06);
		padding-top: 24px;
	}
	.progress-track {
		top: -1px;
		height: 1.5px;
	}
	.item-title {
		font-size: 22px;
	}
}
@media (max-width: 767px) {
	.service-banner {
		height: 160px;
	}
	.banner-en {
		font-size: 22px;
	}
	.banner-cn {
		font-size: 28px;
		letter-spacing: 5px;
	}
	.item-title {
		font-size: 20px;
	}
	.item-desc li {
		font-size: 13px;
		line-height: 2;
		letter-spacing: 2px;
	}
	.service-bottom-text {
		font-size: 16px;
		letter-spacing: 4px;
	}
	.progress-track {
		height: 1.5px;
	}
}