/* ============================================================
   主页多功能搜索引擎（源自 search.html，配色对齐平台模板 --brand）
   ============================================================ */

/* ---------- 区块布局 ---------- */
.s-search {
	max-width: 880px;
	margin: 0 auto;
	padding: 44px 8px 30px;
}

.s-head {
	text-align: center;
	margin-bottom: 28px;
}

.s-title {
	margin: 0 0 8px;
	font-size: 26px;
	font-weight: 700;
	letter-spacing: .5px;
	color: #1f2a44;
}

.s-sub {
	margin: 0;
	font-size: 13.5px;
	color: #8a93a6;
}

/* ---------- 搜索分类按钮 ---------- */
.search-type {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px 12px;
	list-style: none;
	margin: 0 0 20px;
	padding: 0;
}

/* li 仅负责布局与上浮，胶囊背景统一由 label 承担 */
.search-type .sou-cat-btn {
	background: transparent;
	cursor: pointer;
	transition: transform .2s ease;
}

.search-type .sou-cat-btn:hover,
.search-type .sou-cat-btn.sou-cat-on {
	transform: translateY(-2px);
}

.search-type .sou-cat-btn label {
	display: flex;
	align-items: center;
	gap: 6px;
	cursor: pointer;
	padding: 7px 16px;
	font-size: 13.5px;
	background: #fff;
	border: 1px solid var(--border, #e6ebf4);
	border-radius: 999px;
	transition: background .25s ease, box-shadow .25s ease, border-color .25s ease, color .2s;
}

.search-type .sou-cat-btn svg {
	width: 16px;
	height: 16px;
	flex: none;
}

.search-type .sou-cat-btn label:hover {
	border-color: rgba(47, 107, 255, .45);
	box-shadow: 0 6px 20px rgba(31, 45, 87, .12);
}

.search-type .sou-cat-btn span {
	color: #3d4663;
	font-weight: 500;
	transition: color .2s;
}

.search-type .sou-cat-btn label:hover span {
	color: var(--brand, #2f6bff);
}

/* 选中态：品牌蓝实底胶囊，图标反白 */
.search-type .sou-cat-btn.sou-cat-on label {
	background: var(--brand, #2f6bff);
	border-color: var(--brand, #2f6bff);
	box-shadow: 0 10px 26px rgba(47, 107, 255, .32);
}

.search-type .sou-cat-btn.sou-cat-on span,
.search-type .sou-cat-btn.sou-cat-on label:hover span {
	color: #fff;
	font-weight: 600;
}

.search-type .sou-cat-btn.sou-cat-on svg {
	filter: brightness(0) invert(1);
}

/* ---------- 搜索条 ---------- */
#super-search-fm {
	position: relative;
	display: flex;
	align-items: center;
	background: #fff;
	border: 1px solid var(--border, #e6ebf4);
	border-radius: 14px;
	padding: 6px 6px 6px 0;
	box-shadow: 0 8px 30px rgba(31, 45, 87, .08);
	transition: border-color .2s, box-shadow .2s;
}

#super-search-fm:focus-within {
	border-color: rgba(47, 107, 255, .55);
	box-shadow: 0 10px 34px rgba(47, 107, 255, .16);
}

/* 左侧：当前引擎触发器（点击展开下拉面板） */
.sou-trigger {
	display: flex;
	align-items: center;
	gap: 6px;
	flex: none;
	height: 42px;
	padding: 0 10px 0 14px;
	border: none;
	background: transparent;
	border-radius: 10px;
	cursor: pointer;
	font-size: 13.5px;
	color: #3d4663;
	transition: color .2s;
}

.sou-trigger:hover {
	color: var(--brand, #2f6bff);
}

.sou-trigger-name {
	max-width: 96px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.sou-trigger::after {
	content: "";
	flex: none;
	width: 0;
	height: 0;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	border-top: 5px solid currentColor;
	opacity: .55;
	transition: transform .2s;
}

.sou-trigger.open::after {
	transform: rotate(180deg);
}

/* 中间：输入框 */
#search-text {
	flex: 1;
	min-width: 0;
	height: 42px;
	padding: 0 10px;
	border: none;
	outline: 0;
	background: transparent;
	font-size: 14.5px;
	color: #1f2a44;
}

#search-text::placeholder {
	color: #a6adbd;
}

/* 右侧：搜索按钮 */
.submit {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	flex: none;
	height: 42px;
	padding: 0 22px;
	border: none;
	border-radius: 10px;
	background: var(--brand, #2f6bff);
	color: #fff;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: background .2s, box-shadow .2s, transform .15s;
}

.submit:hover {
	background: var(--brand-dark, #1f56e0);
	box-shadow: 0 8px 20px rgba(47, 107, 255, .35);
}

.submit:active {
	transform: scale(.97);
}

.submit svg {
	width: 17px;
	height: 17px;
}

/* ---------- 引擎下拉面板（搜索条左下弹出） ---------- */
#souDrop {
	display: none;
	position: absolute;
	left: 0;
	top: calc(100% + 10px);
	width: 300px;
	max-width: 100%;
	max-height: 400px;
	overflow-y: auto;
	background: rgba(255, 255, 255, .98);
	-webkit-backdrop-filter: blur(14px);
	backdrop-filter: blur(14px);
	border: 1px solid var(--border, #e6ebf4);
	border-radius: 14px;
	box-shadow: 0 4px 12px rgba(31, 45, 87, .08), 0 22px 55px rgba(31, 45, 87, .25);
	z-index: 2100;
	padding: 8px;
	transform-origin: top left;
	animation: souDropIn .22s cubic-bezier(.21, 1.02, .73, 1);
}

@keyframes souDropIn {
	from { opacity: 0; transform: translateY(-8px) scale(.96); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}

#souDrop.show {
	display: block;
}

/* 面板顶部标题（左侧渐变色条装饰） */
.sou-drop-head {
	display: flex;
	align-items: center;
	padding: 8px 8px 10px;
	font-size: 12px;
	color: #8a93a6;
	letter-spacing: .5px;
	border-bottom: 1px solid #f1f3f8;
	margin-bottom: 4px;
}

.sou-drop-head::before {
	content: "";
	width: 3px;
	height: 12px;
	border-radius: 2px;
	background: linear-gradient(180deg, var(--brand, #2f6bff), #7b9ffb);
	margin-right: 8px;
	flex: none;
}

/* 引擎列表：仅显示当前分类 */
.sou-drop-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.sou-drop-list li {
	display: none;
}

.sou-drop-list li.on {
	display: block;
}

.sou-drop-list label {
	display: flex;
	align-items: center;
	margin: 1px 0;
	padding: 8px 10px;
	font-size: 14px;
	cursor: pointer;
	color: #3b4356;
	border-radius: 9px;
	transition: background .15s, color .15s, padding-left .18s;
}

.sou-drop-list label:hover {
	background: #f3f5fb;
	color: var(--brand, #2f6bff);
	padding-left: 14px;
}

/* 引擎图标：统一圆角小容器 */
.sou-drop-list label > svg,
.sou-drop-list label > img {
	width: 16px;
	height: 16px;
	padding: 5px;
	background: #f5f6fb;
	border-radius: 8px;
	box-sizing: content-box;
	margin: 0 10px 0 0;
	flex: none;
	transition: background .15s;
}

/* 字母徽标（替代缺失的站点图标） */
.sou-badge {
	width: 16px;
	height: 16px;
	padding: 5px;
	box-sizing: content-box;
	margin: 0 10px 0 0;
	flex: none;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #f5f6fb;
	border-radius: 8px;
	font-size: 8px;
	font-weight: 800;
	line-height: 1;
	letter-spacing: 0;
	color: var(--brand, #2f6bff);
	transition: background .15s;
}

.sou-badge::before {
	content: attr(data-letter);
}

/* 选中态：品牌浅色渐变底 */
.sou-drop-list input:checked + label {
	background: linear-gradient(135deg, #eef4ff, #e0ecff);
	color: var(--brand, #2f6bff);
	font-weight: 600;
}

.sou-drop-list input:checked + label > svg,
.sou-drop-list input:checked + label > img,
.sou-drop-list input:checked + label .sou-badge {
	background: #fff;
}

.sou-drop-list input:checked + label:hover {
	padding-left: 14px;
}

/* 选中态右侧圆形对勾 */
.sou-drop-list input:checked + label::after {
	content: "";
	width: 18px;
	height: 18px;
	margin-left: auto;
	border-radius: 50%;
	background: var(--brand, #2f6bff) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 10px no-repeat;
	flex: none;
}

/* 空分类提示 */
.sou-drop-empty {
	display: none;
	padding: 22px 14px;
	font-size: 13px;
	color: #a0a6b3;
	text-align: center;
}

.sou-drop-empty.show {
	display: block;
}

/* 自定义滚动条：内容超出最大高度时右侧显示滑块 */
#souDrop {
	scrollbar-width: thin;
	scrollbar-color: #c3cad9 transparent;
}

#souDrop::-webkit-scrollbar {
	width: 8px;
}

#souDrop::-webkit-scrollbar-track {
	background: transparent;
}

#souDrop::-webkit-scrollbar-thumb {
	background: #c3cad9;
	border-radius: 4px;
	border: 2px solid rgba(255, 255, 255, .98);
}

#souDrop::-webkit-scrollbar-thumb:hover {
	background: #a8b2c8;
}

/* ---------- 移动端 ---------- */
@media (max-width: 767px) {
	.s-search {
		padding: 22px 2px 20px;
	}

	.s-title {
		font-size: 21px;
	}

	#souDrop {
		width: 100%;
		border-radius: 12px;
	}

	.search-type .sou-cat-btn:hover,
	.search-type .sou-cat-btn.sou-cat-on {
		transform: none;
	}

	.search-type .sou-cat-btn label {
		padding: 6px 13px;
		font-size: 13px;
	}

	.submit {
		padding: 0 16px;
	}
}