/* ==========================================================================
   Components — 页头 / 导航 / 页脚 / 卡片 / 表单 / 表格 / 侧栏 / 分页
   ========================================================================== */

/* ---------- 页头 ---------- */
.sb-header {
	position: fixed;
	inset-block-start: 0;
	inset-inline: 0;
	z-index: 999;
	background: #fff;
	box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
	height: var(--sb-header-h);
}

.sb-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	height: 100%;
	max-width: 1400px;
}

.sb-header__logo img {
	max-height: 60px;
	width: auto;
}

.sb-header__wordmark {
	font-size: var(--sb-fs-26);
	font-weight: 900;
	letter-spacing: 0.06em;
	color: var(--sb-primary);
}

/* ---------- 导航 ---------- */
.sb-nav {
	margin-inline-start: auto;
}

.sb-nav__panel > .sb-menu {
	display: flex;
	align-items: center;
	margin: 0;
	padding: 0;
	list-style: none;
	gap: 2px;
}

.sb-menu__item {
	position: relative;
}

.sb-menu__item > a {
	display: block;
	padding: 8px 12px;
	font-size: var(--sb-fs-15, 15px);
	font-weight: 600;
	color: var(--sb-text);
	white-space: nowrap;
}

.sb-menu__item:hover > a,
.sb-menu__item.is-active > a {
	color: var(--sb-primary);
}

.sb-submenu {
	position: absolute;
	inset-block-start: 100%;
	inset-inline-start: 0;
	min-width: 220px;
	margin: 0;
	padding: 8px 0;
	list-style: none;
	background: #fff;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
	border-block-start: 3px solid var(--sb-primary);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: all 0.18s ease;
	z-index: 20;
}

.sb-menu__item:hover > .sb-submenu,
.sb-menu__item:focus-within > .sb-submenu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.sb-submenu li a {
	display: block;
	padding: 9px 20px;
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
}

.sb-submenu li a:hover {
	background: var(--sb-bg-soft);
	color: var(--sb-primary);
}

.sb-nav__toggle {
	display: none;
	width: 40px;
	height: 40px;
	padding: 9px;
	border: 0;
	background: transparent;
	cursor: pointer;
}

.sb-nav__toggle span {
	display: block;
	height: 2px;
	background: var(--sb-text);
	margin-block: 5px;
}

/* ---------- 页头工具 ---------- */
.sb-header__tools {
	display: flex;
	align-items: center;
	gap: 14px;
}

.sb-search {
	display: flex;
	align-items: center;
	border: 1px solid var(--sb-line);
	border-radius: 999px;
	padding-inline: 12px;
	height: 36px;
}

.sb-search input {
	border: 0;
	outline: 0;
	width: 110px;
	font-size: var(--sb-fs-14);
	background: transparent;
}

.sb-search button {
	border: 0;
	background: transparent;
	cursor: pointer;
	color: var(--sb-muted);
}

.sb-lang {
	position: relative;
}

.sb-lang__btn {
	border: 0;
	background: transparent;
	font-size: var(--sb-fs-14);
	cursor: pointer;
}

.sb-lang__list {
	position: absolute;
	inset-block-start: 100%;
	inset-inline-end: 0;
	display: none;
	margin: 6px 0 0;
	padding: 6px 0;
	list-style: none;
	min-width: 130px;
	background: #fff;
	box-shadow: var(--sb-shadow);
}

.sb-lang__list a {
	display: block;
	padding: 6px 14px;
	font-size: var(--sb-fs-14);
}

.sb-lang.is-open .sb-lang__list {
	display: block;
}

/* ---------- 面包屑 ---------- */
.sb-crumb {
	background: var(--sb-bg-soft);
	border-block-end: 1px solid var(--sb-line);
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
	padding-block: 12px;
	margin-block-end: 30px;
}

.sb-crumb a {
	color: var(--sb-muted);
}

.sb-crumb a:hover {
	color: var(--sb-primary);
}

.sb-crumb em {
	margin-inline: 8px;
	font-style: normal;
	color: #bbb;
}

/* ---------- 栅格与卡片 ---------- */
.sb-grid {
	display: grid;
	gap: var(--sb-gap);
}

.sb-grid--4 {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sb-grid--3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sb-card {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
	background: #fff;
	overflow: hidden;
	transition: all 0.22s ease;
}

.sb-card:hover {
	border-color: var(--sb-primary);
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07);
	transform: translateY(-2px);
}

.sb-card__media {
	display: block;
	aspect-ratio: 4 / 3;
	background: var(--sb-bg-soft);
	overflow: hidden;
}

.sb-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.35s ease;
}

.sb-card:hover .sb-card__media img {
	transform: scale(1.04);
}

.sb-card__title {
	display: block;
	padding: 14px 12px;
	font-size: var(--sb-fs-16);
	font-weight: 600;
	text-align: center;
	color: var(--sb-text);
}

.sb-card:hover .sb-card__title {
	color: var(--sb-primary);
}

/* 文章卡片 */
.sb-post {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
	background: #fff;
	overflow: hidden;
	transition: all 0.22s ease;
	height: 100%;
}

.sb-post:hover {
	border-color: var(--sb-primary);
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07);
}

.sb-post__media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 10;
	background: var(--sb-bg-soft);
	overflow: hidden;
}

.sb-post__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.sb-post__date {
	position: absolute;
	inset-block-start: 10px;
	inset-inline-start: 10px;
	padding: 4px 10px;
	background: var(--sb-primary);
	color: #fff;
	font-size: var(--sb-fs-12);
	font-style: normal;
	border-radius: 2px;
}

.sb-post__body {
	display: flex;
	flex-direction: column;
	gap: 8px;
	padding: 16px;
	flex: 1;
}

.sb-post__title {
	font-size: var(--sb-fs-16);
	font-weight: 700;
	line-height: 1.45;
	color: var(--sb-text);
}

.sb-post:hover .sb-post__title {
	color: var(--sb-primary);
}

.sb-post__excerpt {
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
}

.sb-post__more {
	margin-block-start: auto;
	font-size: var(--sb-fs-14);
	font-weight: 700;
	color: var(--sb-primary);
}

/* ---------- 侧栏 ---------- */
.sb-side {
	width: 280px;
	flex: 0 0 280px;
}

.sb-side__block {
	margin-block-end: 30px;
}

.sb-side__title {
	font-size: var(--sb-fs-18);
	font-weight: 700;
	color: var(--sb-text);
	margin-block: 0 12px;
	padding-block-end: 10px;
	border-block-end: 1px solid var(--sb-line);
}

.sb-side__cats,
.sb-side__nav,
.sb-side__hot,
.sb-side__posts {
	list-style: none;
	margin: 0;
	padding: 0;
}

.sb-side__cats > li > a {
	display: block;
	padding: 11px 14px;
	border: 1px solid var(--sb-line);
	border-block-end: 0;
	font-weight: 700;
	font-size: var(--sb-fs-15, 15px);
	color: var(--sb-text);
}

.sb-side__cats > li:last-child > a {
	border-block-end: 1px solid var(--sb-line);
}

.sb-side__cats > li > a:hover,
.sb-side__cats > li.is-open > a {
	background: var(--sb-primary);
	border-color: var(--sb-primary);
	color: #fff;
}

.sb-side__sub {
	list-style: none;
	margin: 0;
	padding: 0;
	display: none;
	border-inline: 1px solid var(--sb-line);
}

.sb-side__cats > li.is-open .sb-side__sub {
	display: block;
}

.sb-side__sub li a {
	display: block;
	padding: 9px 14px 9px 26px;
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
	border-block-end: 1px dashed var(--sb-line);
}

.sb-side__sub li.is-current a,
.sb-side__sub li a:hover {
	color: var(--sb-primary);
	font-weight: 700;
}

.sb-side__hot li,
.sb-side__posts li {
	border-block-end: 1px dashed var(--sb-line);
}

.sb-side__hot a,
.sb-side__posts a {
	display: flex;
	gap: 10px;
	align-items: center;
	padding-block: 10px;
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
}

.sb-side__hot img,
.sb-side__posts img {
	width: 64px;
	height: 64px;
	object-fit: cover;
	flex: 0 0 64px;
	border-radius: 2px;
}

.sb-side__hot a:hover,
.sb-side__posts a:hover {
	color: var(--sb-primary);
}

/* ---------- 分页 ---------- */
.sb-pager {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	justify-content: center;
	margin-block: 36px;
}

.sb-pager a,
.sb-pager span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	height: 38px;
	padding-inline: 10px;
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
}

.sb-pager a:hover,
.sb-pager .is-current,
.sb-pager .current {
	background: var(--sb-primary);
	border-color: var(--sb-primary);
	color: #fff;
}

/* ---------- 表单 ---------- */
.sb-form {
	display: grid;
	gap: 14px;
	max-width: 720px;
}

.sb-form__row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 14px;
}

.sb-form__item {
	display: flex;
	flex-direction: column;
	gap: 6px;
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
}

.sb-form__item em {
	color: #c00;
	font-style: normal;
}

.sb-form input[type="text"],
.sb-form input[type="email"],
.sb-form input[type="tel"],
.sb-form textarea,
.sb-form select {
	padding: 11px 14px;
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
	background: #fff;
	font-size: var(--sb-fs-16);
	width: 100%;
}

.sb-form input:focus,
.sb-form textarea:focus {
	outline: 2px solid rgba(45, 85, 151, 0.18);
	border-color: var(--sb-primary);
}

.sb-form .sb-btn {
	justify-self: start;
	padding-inline: 38px;
}

/* 蜜罐字段对真人不可见 */
.sb-hp {
	position: absolute !important;
	inset-inline-start: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.sb-alert {
	padding: 14px 18px;
	border-radius: var(--sb-radius);
	margin-block-end: 20px;
	font-size: var(--sb-fs-14);
	max-width: 720px;
}

.sb-alert--ok {
	background: #eaf7ee;
	border: 1px solid #b6e2c4;
	color: #1a6b33;
}

.sb-alert--err {
	background: #fdecec;
	border: 1px solid #f3c2c2;
	color: #a12727;
}

/* ---------- 通用表格 ---------- */
.sb-tablewrap {
	overflow-x: auto;
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
}

.sb-table {
	font-size: var(--sb-fs-14);
	min-width: 640px;
}

.sb-table th,
.sb-table td {
	padding: 10px 12px;
	border-block-end: 1px solid var(--sb-line);
	text-align: start;
	white-space: nowrap;
}

.sb-table thead th {
	background: var(--sb-primary);
	color: #fff;
	font-weight: 700;
	position: sticky;
	inset-block-start: 0;
}

.sb-table tbody tr:nth-child(even) {
	background: var(--sb-bg-soft);
}

.sb-table tbody tr:hover {
	background: rgba(45, 85, 151, 0.06);
}

/* ---------- 页脚 ---------- */
.sb-footer {
	background: var(--sb-footer-bg);
	color: var(--sb-footer-text);
	border-block-start: 4px solid var(--sb-primary);
	margin-block-start: 60px;
}

.sb-footer__inner {
	display: grid;
	grid-template-columns: 1.1fr 0.8fr 1.4fr 0.8fr;
	gap: 30px;
	padding-block: 46px;
}

.sb-footer__title {
	font-size: var(--sb-fs-18);
	font-weight: 700;
	color: #fff;
	margin-block: 0 16px;
}

.sb-footer ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.sb-footer li {
	font-size: var(--sb-fs-14);
	line-height: 2;
	color: var(--sb-footer-text);
}

.sb-footer a {
	color: var(--sb-footer-text);
}

.sb-footer a:hover {
	color: var(--sb-primary);
}

.sb-footer__col--contact li {
	display: flex;
	gap: 8px;
	align-items: flex-start;
}

.sb-footer__ico {
	opacity: 0.85;
}

.sb-footer__social {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 14px;
}

.sb-footer__social a {
	font-size: var(--sb-fs-14);
	line-height: 2;
}

.sb-footer__copy {
	text-align: center;
	font-size: var(--sb-fs-14);
	padding-block: 16px;
	border-block-start: 1px solid rgba(255, 255, 255, 0.35);
	color: var(--sb-footer-text);
}

/* ==========================================================================
   询价清单（加入询价单 + 一次提交多个产品）
   ========================================================================== */

.sb-btn--ghost {
	background: #fff;
	color: var(--sb-primary);
}

.sb-btn--ghost.is-added {
	background: var(--sb-accent);
	border-color: var(--sb-accent);
	color: var(--sb-text);
}

.sb-btn--ghost.is-added:hover {
	background: var(--sb-accent);
	border-color: var(--sb-accent);
	color: var(--sb-text);
}

.sb-add-quote {
	margin-inline-start: 10px;
}

/* 卡片上的 + 按钮 */
.sb-cardwrap {
	position: relative;
}

.sb-card__add {
	position: absolute;
	inset-block-start: 10px;
	inset-inline-end: 10px;
	width: 34px;
	height: 34px;
	display: flex;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--sb-line);
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.94);
	color: var(--sb-primary);
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	transition: all 0.18s ease;
}

.sb-card__add:hover {
	background: var(--sb-primary);
	border-color: var(--sb-primary);
	color: #fff;
}

.sb-card__add.is-added {
	background: var(--sb-accent);
	border-color: var(--sb-accent);
	color: var(--sb-text);
}

/* 底部悬浮条 */
.sb-quotebar {
	position: fixed;
	inset-inline: 0;
	inset-block-end: 0;
	z-index: 60;
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	align-items: center;
	justify-content: center;
	padding: 12px 18px;
	background: var(--sb-primary);
	color: #fff;
	box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.18);
}

.sb-quotebar[hidden] {
	display: none;
}

.sb-quotebar__count {
	font-size: var(--sb-fs-14);
	font-weight: 700;
}

.sb-quotebar__go {
	padding: 9px 22px;
	border-radius: var(--sb-radius);
	background: var(--sb-accent);
	color: var(--sb-text);
	font-size: var(--sb-fs-14);
	font-weight: 700;
	text-transform: uppercase;
}

.sb-quotebar__clear {
	background: transparent;
	border: 0;
	color: rgba(255, 255, 255, 0.85);
	font-size: var(--sb-fs-14);
	text-decoration: underline;
	cursor: pointer;
}

/* 询盘页清单 */
.sb-quote {
	margin-block: 26px;
	padding: 18px;
	background: var(--sb-bg-soft);
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
}

.sb-quote__title {
	font-size: var(--sb-fs-16);
	font-weight: 700;
	margin-block-end: 12px;
	color: var(--sb-text);
}

.sb-quote__row {
	display: grid;
	grid-template-columns: 1fr 190px 34px;
	gap: 12px;
	align-items: center;
	padding-block: 10px;
	border-block-start: 1px solid var(--sb-line);
}

.sb-quote__row:first-child {
	border-block-start: 0;
}

.sb-quote__name {
	color: var(--sb-primary);
	font-weight: 600;
	font-size: var(--sb-fs-14);
}

.sb-quote__qty {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: var(--sb-fs-12);
	color: var(--sb-muted);
}

.sb-quote__qty input {
	width: 100%;
	padding: 7px 10px;
	border: 1px solid var(--sb-line);
	border-radius: var(--sb-radius);
	font-size: var(--sb-fs-14);
}

.sb-quote__del {
	border: 0;
	background: transparent;
	color: var(--sb-muted);
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
}

.sb-quote__del:hover {
	color: #b32d2e;
}

.sb-quote__hint {
	font-size: var(--sb-fs-14);
	color: var(--sb-muted);
}

@media (max-width: 640px) {
	.sb-quote__row {
		grid-template-columns: 1fr;
	}
}