/* 服务与支持 - 技术支持页专用样式 */

.tech-support-page {
	background-color: #f5f5f7;
	padding: 88px 0 104px 0; /* 标题上方多留一些空间 */
}

.tech-support-module {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 40px;
	box-sizing: border-box;
	text-align: center;
}

.tech-support-title {
	font-size: 38px; /* 约为说明文字的两倍大小 */
	font-weight: 600;
	color: #00233d;
	margin: 0 0 18px 0;
}

.tech-support-desc {
	font-size: 19px;
	line-height: 1.8;
	color: #555;
	margin: 0 0 36px 0;
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
}

.tech-support-cols {
	display: flex;
	flex-wrap: nowrap;
	justify-content: space-between;
	align-items: flex-start;
	gap: 32px; /* 三个列之间再拉开一点 */
	margin-top: 20px; /* 三张卡片整体再往下挪一点 */
}

.tech-support-col {
	flex: 1 1 0;
	min-width: 0;
	background-color: transparent;
	border-radius: 0;
	border: none;
	box-sizing: border-box;
	padding: 0 24px 0 24px;
	text-align: left;
}

.tech-support-col-company {
	font-size: 21px;
	font-weight: 600;
	color: #00233d;
	margin: 0 0 4px 0;
}

.tech-support-col-dept {
	font-size: 23px;
	font-weight: 600;
	color: #00233d;
	margin: 0 0 10px 0;
}

.tech-support-col-intro {
	font-size: 19px;
	line-height: 1.9; /* 行距再大一点 */
	color: #555;
	font-weight: normal;
	margin: 0 0 14px 0;
}

.tech-support-col-line {
	font-size: 19px;
	line-height: 1.9; /* 行距再大一点 */
	color: #555;
	font-weight: normal;
	margin: 0 0 6px 0;
}

.tech-support-col-line strong {
	color: #555;
	font-weight: normal;
}

.tech-support-col-line a {
	color: #555;
	text-decoration: none;
	font-size: inherit;
	font-weight: inherit;
}

.tech-support-col-line a:hover {
	text-decoration: underline;
}

.tech-support-col-wechat,
.tech-support-col-order {
	font-size: 19px;
	line-height: 1.9;
	color: #555;
	margin: 16px 0 10px 0;
	font-weight: normal;
}

.tech-support-col-wechat strong {
	color: #555;
	font-weight: normal;
}

.tech-support-qr {
	width: 96px;
	height: 96px;
	border-radius: 4px;
	border: none;
	background-color: transparent;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	margin-top: 12px;
}

.tech-support-qr img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.tech-support-btn {
	display: inline-block;
	margin-top: 16px;
	padding: 10px 24px;
	font-size: 15px;
	color: #00233d;
	background-color: transparent;
	border-radius: 999px;
	border: 1px solid #00233d;
	text-decoration: none;
}

.tech-support-btn:hover {
	background-color: #00233d;
	color: #ffffff;
}

@media screen and (max-width: 1679px) {
    .tech-support-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(38px * var(--kyd-text-scale, 1)));
    }
    .tech-support-desc,
    .tech-support-col-intro,
    .tech-support-col-line,
    .tech-support-col-wechat,
    .tech-support-col-order {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(19px * var(--kyd-text-scale, 1)));
    }
    .tech-support-col-company {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(21px * var(--kyd-text-scale, 1)));
    }
    .tech-support-col-dept {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(23px * var(--kyd-text-scale, 1)));
    }
    .tech-support-btn {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(15px * var(--kyd-text-scale, 1)));
    }
}

@media screen and (min-width: 1440px) and (max-width: 1679px) {
    .tech-support-module {
        padding-left: 36px;
        padding-right: 36px;
    }
}

@media screen and (min-width: 1025px) and (max-width: 1439px) {
    .tech-support-module {
        padding-left: 28px;
        padding-right: 28px;
    }
    .tech-support-cols {
        gap: 20px;
    }
    .tech-support-col {
        padding-left: 12px;
        padding-right: 12px;
    }
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
    .tech-support-page {
        padding: 64px 0 80px;
    }
    .tech-support-module {
        padding-left: 24px;
        padding-right: 24px;
    }
    /* ≥768：三列同一行 */
    .tech-support-cols {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 16px;
    }
    .tech-support-col {
        flex: 1 1 0;
        min-width: 0;
        padding-left: 8px;
        padding-right: 8px;
    }
}

@media screen and (max-width: 767px) {
    .tech-support-page {
        padding: 40px 0 56px;
    }
    .tech-support-module {
        padding-left: 16px;
        padding-right: 16px;
    }
    /* ≤767：单列居中 */
    .tech-support-cols {
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: center;
        gap: 32px;
    }
    .tech-support-col {
        min-width: 0;
        width: 100%;
        max-width: 420px;
        margin: 0 auto;
        padding-left: 0;
        padding-right: 0;
        text-align: center;
    }
    .tech-support-qr {
        width: 96px;
        height: 96px;
        margin-left: auto;
        margin-right: auto;
    }
}