@charset "UTF-8";
/*!
 * xif — 电子元件与工业品商城主题
 * 主样式表：设计令牌 / 布局 / 组件 / 页面 / 响应式
 */

/* ==========================================================================
   1. 设计令牌与重置
   ========================================================================== */
:root {
	--xif-red: #d6001c;
	--xif-red-600: #b30017;
	--xif-red-700: #8f0012;
	--xif-red-50: #fdf1f3;
	--xif-red-100: #fbe0e3;
	--xif-ink: #15171c;
	--xif-ink-2: #2c3037;
	--xif-gray-700: #4a5058;
	--xif-gray-600: #5e656d;
	--xif-gray-500: #767d85;
	--xif-gray-400: #99a0a7;
	--xif-gray-300: #c3c8ce;
	--xif-line: #e3e6e9;
	--xif-line-soft: #eef0f2;
	--xif-bg: #f4f5f6;
	--xif-bg-soft: #fafbfb;
	--xif-white: #fff;
	--xif-green: #0a7d4b;
	--xif-green-bg: #e9f6ef;
	--xif-navy: #0f1b31;
	--xif-radius: 6px;
	--xif-radius-lg: 12px;
	--xif-shadow-xs: 0 1px 2px rgba(16, 19, 23, .05);
	--xif-shadow-sm: 0 2px 8px rgba(16, 19, 23, .06);
	--xif-shadow: 0 10px 28px rgba(16, 19, 23, .1);
	--xif-shadow-lg: 0 24px 60px rgba(16, 19, 23, .16);
	--xif-container: 1280px;
	--xif-gutter: 20px;
	--xif-ease: cubic-bezier(.22, .61, .36, 1);
	--xif-font: "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--xif-white);
	color: var(--xif-ink);
	font-family: var(--xif-font);
	font-size: 14px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	overflow-x: hidden;
}

body.no-scroll {
	overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
	margin: 0 0 .5em;
	color: var(--xif-ink);
	font-weight: 700;
	line-height: 1.3;
	letter-spacing: -.01em;
}

h1 { font-size: 30px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }
h5 { font-size: 14px; }
h6 { font-size: 13px; }

p {
	margin: 0 0 1em;
}

a {
	color: var(--xif-ink);
	text-decoration: none;
	transition: color .2s var(--xif-ease);
}

a:hover,
a:focus {
	color: var(--xif-red);
}

img {
	max-width: 100%;
	height: auto;
	border: 0;
	vertical-align: middle;
}

figure {
	margin: 0 0 1.5em;
}

ul, ol {
	margin: 0 0 1.2em;
	padding-left: 1.4em;
}

hr {
	height: 1px;
	margin: 32px 0;
	border: 0;
	background: var(--xif-line);
}

button {
	font: inherit;
	color: inherit;
	cursor: pointer;
}

input, select, textarea {
	font: inherit;
	color: inherit;
}

svg {
	display: block;
}

:focus-visible {
	outline: 2px solid var(--xif-red);
	outline-offset: 2px;
}

/* ==========================================================================
   2. 通用工具
   ========================================================================== */
.xif-container {
	width: 100%;
	max-width: var(--xif-container);
	margin: 0 auto;
	padding: 0 var(--xif-gutter);
}

.xif-container--narrow {
	max-width: 900px;
}

.xif-icon {
	width: 1.15em;
	height: 1.15em;
	flex: none;
	display: inline-block;
	vertical-align: -.18em;
	stroke-width: 1.6;
}

.xif-sr-only {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.xif-skip-link {
	position: absolute;
	top: -60px;
	left: 16px;
	z-index: 999;
	padding: 10px 18px;
	background: var(--xif-red);
	color: #fff;
	border-radius: 0 0 var(--xif-radius) var(--xif-radius);
	transition: top .2s;
}

.xif-skip-link:focus {
	top: 0;
	color: #fff;
}

.xif-sprite {
	position: absolute;
	width: 0;
	height: 0;
	overflow: hidden;
}

/* 按钮 */
.xif-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 11px 22px;
	border: 1px solid transparent;
	border-radius: var(--xif-radius);
	background: var(--xif-red);
	color: #fff;
	font-size: 14px;
	font-weight: 600;
	line-height: 1.3;
	text-align: center;
	cursor: pointer;
	transition: background .2s var(--xif-ease), color .2s var(--xif-ease), border-color .2s var(--xif-ease), transform .2s var(--xif-ease), box-shadow .2s var(--xif-ease);
}

.xif-btn:hover,
.xif-btn:focus {
	background: var(--xif-red-600);
	color: #fff;
}

.xif-btn:active {
	transform: translateY(1px);
}

.xif-btn--ghost {
	background: #fff;
	border-color: var(--xif-line);
	color: var(--xif-ink);
}

.xif-btn--ghost:hover,
.xif-btn--ghost:focus {
	background: #fff;
	border-color: var(--xif-red);
	color: var(--xif-red);
}

.xif-btn--outline {
	background: transparent;
	border-color: rgba(255, 255, 255, .65);
	color: #fff;
}

.xif-btn--outline:hover,
.xif-btn--outline:focus {
	background: #fff;
	border-color: #fff;
	color: var(--xif-ink);
}

.xif-btn--light {
	background: #fff;
	color: var(--xif-red);
}

.xif-btn--light:hover,
.xif-btn--light:focus {
	background: var(--xif-ink);
	color: #fff;
}

.xif-btn--sm {
	padding: 8px 14px;
	font-size: 13px;
}

.xif-btn--block {
	width: 100%;
}

.xif-link-more {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--xif-gray-700);
	font-size: 13px;
	font-weight: 600;
}

.xif-link-more .xif-icon {
	width: 14px;
	height: 14px;
	transition: transform .2s var(--xif-ease);
}

.xif-link-more:hover {
	color: var(--xif-red);
}

.xif-link-more:hover .xif-icon {
	transform: translateX(3px);
}

.xif-badge {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 3px 9px;
	border-radius: 100px;
	background: var(--xif-red-50);
	color: var(--xif-red);
	font-size: 12px;
	font-weight: 600;
	line-height: 1.5;
}

.xif-badge--green {
	background: var(--xif-green-bg);
	color: var(--xif-green);
}

/* 区块外壳 */
.xif-section {
	padding: 44px 0;
}

.xif-section--tight {
	padding: 28px 0;
}

.xif-section--soft {
	background: var(--xif-bg);
}

.xif-section__head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 20px;
	margin-bottom: 22px;
}

.xif-section__title {
	position: relative;
	margin: 0;
	padding-left: 14px;
	font-size: 22px;
	letter-spacing: -.02em;
}

.xif-section__title::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	width: 4px;
	height: 20px;
	margin-top: -10px;
	border-radius: 2px;
	background: var(--xif-red);
}

.xif-section__eyebrow {
	margin: 0 0 6px;
	color: var(--xif-red);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: .14em;
	text-transform: uppercase;
}

.xif-section__sub {
	margin: 6px 0 0;
	color: var(--xif-gray-600);
	font-size: 13px;
	max-width: 640px;
}

.xif-section__link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	flex: none;
	color: var(--xif-gray-600);
	font-size: 13px;
	font-weight: 600;
	white-space: nowrap;
}

.xif-section__link .xif-icon {
	width: 14px;
	height: 14px;
	transition: transform .2s var(--xif-ease);
}

.xif-section__link:hover {
	color: var(--xif-red);
}

.xif-section__link:hover .xif-icon {
	transform: translateX(3px);
}

/* ==========================================================================
   3. 页头
   ========================================================================== */
.xif-header {
	position: relative;
	z-index: 90;
	background: #fff;
	border-bottom: 1px solid var(--xif-line);
}

.xif-topbar {
	background: var(--xif-ink);
	color: #cfd4da;
	font-size: 12px;
}

.xif-topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	height: 36px;
}

.xif-toplinks {
	display: flex;
	align-items: center;
	gap: 20px;
	min-width: 0;
}

.xif-toplinks a {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	color: #cfd4da;
	white-space: nowrap;
}

.xif-toplinks a:hover,
.xif-toplinks a:focus {
	color: #fff;
}

.xif-toplinks .xif-icon {
	width: 14px;
	height: 14px;
}

.xif-toplinks a.is-hot {
	color: #ff8f99;
}

.xif-toplinks--right {
	justify-content: flex-end;
}

.xif-cart-count {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 18px;
	height: 18px;
	padding: 0 5px;
	border-radius: 100px;
	background: var(--xif-red);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	line-height: 1;
}

/* 主栏 */
.xif-headbar__inner {
	display: flex;
	align-items: center;
	gap: 28px;
	height: 86px;
}

.xif-logo {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	flex: none;
}

.xif-logo:hover {
	color: inherit;
}

.xif-logo__mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 54px;
	height: 40px;
	border-radius: 4px;
	background: var(--xif-red);
	color: #fff;
	font-size: 19px;
	font-weight: 800;
	letter-spacing: .02em;
	line-height: 1;
}

.xif-logo__text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
}

.xif-logo__name {
	font-size: 17px;
	font-weight: 800;
	letter-spacing: .08em;
	color: var(--xif-ink);
}

.xif-logo__desc {
	margin-top: 3px;
	color: var(--xif-gray-500);
	font-size: 11px;
	letter-spacing: .04em;
}

/* 搜索 */
.xif-search {
	position: relative;
	flex: 1 1 auto;
	max-width: 620px;
}

.xif-search__tabs {
	display: flex;
	gap: 2px;
	margin-bottom: -1px;
}

.xif-search__tab {
	padding: 7px 14px;
	border: 1px solid transparent;
	border-bottom: 0;
	border-radius: 6px 6px 0 0;
	background: transparent;
	color: var(--xif-gray-500);
	font-size: 12px;
	font-weight: 600;
}

.xif-search__tab.is-active {
	background: #fff;
	border-color: var(--xif-line);
	color: var(--xif-ink);
}

.xif-search__field {
	display: flex;
	align-items: stretch;
	border: 1px solid var(--xif-line);
	border-radius: 0 6px 6px 6px;
	background: #fff;
	transition: border-color .2s, box-shadow .2s;
}

.xif-search__field:focus-within {
	border-color: var(--xif-ink);
	box-shadow: 0 0 0 3px rgba(21, 23, 28, .06);
}

.xif-search__input {
	flex: 1 1 auto;
	min-width: 0;
	padding: 11px 14px;
	border: 0;
	border-radius: 0 6px 6px 0;
	background: transparent;
	font-size: 13px;
	outline: none;
}

.xif-search__input::placeholder {
	color: var(--xif-gray-400);
}

.xif-search__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 58px;
	margin: 3px;
	border: 0;
	border-radius: 4px;
	background: var(--xif-red);
	color: #fff;
	transition: background .2s;
}

.xif-search__btn:hover {
	background: var(--xif-red-600);
}

.xif-search__btn .xif-icon {
	width: 20px;
	height: 20px;
}

.xif-search__hint {
	margin: 7px 0 0;
	color: var(--xif-gray-400);
	font-size: 11px;
}

/* 头部操作 */
.xif-headbar__actions {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: none;
	margin-left: auto;
}

.xif-headact {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 12px;
	border-radius: var(--xif-radius);
	color: var(--xif-ink-2);
	font-size: 12px;
	font-weight: 600;
	line-height: 1.25;
	transition: background .2s, color .2s;
}

.xif-headact:hover,
.xif-headact:focus {
	background: var(--xif-bg);
	color: var(--xif-red);
}

.xif-headact .xif-icon {
	width: 20px;
	height: 20px;
}

.xif-headact__text {
	display: flex;
	flex-direction: column;
}

.xif-headact__text small {
	color: var(--xif-gray-500);
	font-size: 10px;
	font-weight: 500;
}

.xif-headact--cart {
	position: relative;
}

.xif-headact--cart .xif-headact__count {
	position: absolute;
	top: 0;
	left: 26px;
	min-width: 17px;
	height: 17px;
	padding: 0 4px;
	border-radius: 100px;
	background: var(--xif-red);
	color: #fff;
	font-size: 10px;
	font-weight: 700;
	line-height: 17px;
	text-align: center;
}

/* 导航 */
.xif-headstick {
	position: sticky;
	top: 0;
	z-index: 80;
	background: #fff;
	transition: box-shadow .25s var(--xif-ease);
}

.xif-headstick.is-stuck {
	box-shadow: 0 6px 20px rgba(16, 19, 23, .1);
}

.xif-navbar {
	border-top: 1px solid var(--xif-line);
	border-bottom: 1px solid var(--xif-line);
}

.xif-navbar__inner {
	display: flex;
	align-items: center;
	gap: 6px;
	height: 48px;
}

.xif-navitem {
	position: relative;
	height: 100%;
	display: flex;
	align-items: center;
}

.xif-allbtn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	height: 34px;
	padding: 0 14px;
	border: 0;
	border-radius: var(--xif-radius);
	background: var(--xif-red);
	color: #fff;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: .02em;
	transition: background .2s;
}

.xif-allbtn:hover {
	background: var(--xif-red-600);
}

.xif-allbtn .xif-icon {
	width: 17px;
	height: 17px;
}

.xif-allbtn .xif-icon--chev {
	width: 14px;
	height: 14px;
	transition: transform .25s var(--xif-ease);
}

.xif-navitem.is-open .xif-allbtn .xif-icon--chev {
	transform: rotate(180deg);
}

.xif-nav {
	display: flex;
	align-items: center;
	height: 100%;
}

.xif-nav > ul {
	display: flex;
	align-items: center;
	height: 100%;
	gap: 2px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-nav li {
	position: relative;
	height: 100%;
	display: flex;
	align-items: center;
}

.xif-nav a {
	display: inline-flex;
	align-items: center;
	height: 100%;
	padding: 0 13px;
	color: var(--xif-ink-2);
	font-size: 13px;
	font-weight: 600;
	white-space: nowrap;
}

.xif-nav a:hover,
.xif-nav .current-menu-item > a {
	color: var(--xif-red);
}

.xif-nav .current-menu-item > a {
	box-shadow: inset 0 -2px 0 var(--xif-red);
}

.xif-navbar__deal {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin-left: auto;
	padding: 6px 12px;
	border-radius: 100px;
	background: var(--xif-red-50);
	color: var(--xif-red);
	font-size: 12px;
	font-weight: 700;
	white-space: nowrap;
}

.xif-navbar__deal:hover {
	background: var(--xif-red);
	color: #fff;
}

.xif-navbar__deal .xif-icon {
	width: 14px;
	height: 14px;
}

/* 大型分类菜单 */
.xif-mega {
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 70;
	width: min(1080px, calc(100vw - 40px));
	padding: 24px 26px 20px;
	border: 1px solid var(--xif-line);
	border-radius: 0 0 var(--xif-radius-lg) var(--xif-radius-lg);
	background: #fff;
	box-shadow: var(--xif-shadow-lg);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity .2s var(--xif-ease), transform .2s var(--xif-ease), visibility .2s;
}

.xif-navitem--mega:hover .xif-mega,
.xif-navitem--mega.is-open .xif-mega,
.xif-navitem--mega:focus-within .xif-mega {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.xif-mega__grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 4px 24px;
}

.xif-mega__col h3 {
	margin: 0 0 6px;
	padding-bottom: 8px;
	border-bottom: 1px solid var(--xif-line-soft);
	color: var(--xif-gray-400);
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .12em;
	text-transform: uppercase;
}

.xif-mega__col ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-mega__col li {
	margin: 0;
}

.xif-mega__col a {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 7px 6px;
	border-radius: 4px;
	color: var(--xif-ink-2);
	font-size: 13px;
	line-height: 1.45;
	transition: background .18s, color .18s, padding-left .18s;
}

.xif-mega__col a:hover {
	padding-left: 10px;
	background: var(--xif-red-50);
	color: var(--xif-red);
}

.xif-mega__col a .xif-icon {
	width: 14px;
	height: 14px;
	color: var(--xif-gray-300);
	transition: color .18s;
}

.xif-mega__col a:hover .xif-icon {
	color: var(--xif-red);
}

.xif-mega__more {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-top: 18px;
	padding-top: 16px;
	border-top: 1px solid var(--xif-line-soft);
	font-size: 12px;
	color: var(--xif-gray-500);
}

/* 移动端抽屉 */
.xif-drawer {
	position: fixed;
	inset: 0;
	z-index: 200;
	display: none;
}

.xif-drawer.is-open {
	display: block;
}

.xif-drawer__overlay {
	position: absolute;
	inset: 0;
	background: rgba(10, 12, 16, .55);
	animation: xif-fade .2s var(--xif-ease);
}

.xif-drawer__panel {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: min(360px, 88vw);
	display: flex;
	flex-direction: column;
	background: #fff;
	box-shadow: var(--xif-shadow-lg);
	animation: xif-slide-in .28s var(--xif-ease);
}

.xif-drawer__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	border-bottom: 1px solid var(--xif-line);
}

.xif-drawer__body {
	flex: 1 1 auto;
	overflow-y: auto;
	padding: 8px 0 24px;
}

.xif-drawer__foot {
	padding: 14px 16px;
	border-top: 1px solid var(--xif-line);
	background: var(--xif-bg-soft);
}

.xif-drawer__label {
	margin: 14px 16px 6px;
	color: var(--xif-gray-400);
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .12em;
	text-transform: uppercase;
}

.xif-drawer__links {
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-drawer__links a {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 11px 16px;
	border-bottom: 1px solid var(--xif-line-soft);
	font-size: 14px;
}

.xif-drawer__links a .xif-icon {
	width: 16px;
	height: 16px;
	color: var(--xif-gray-400);
}

.xif-drawer__cat {
	border-bottom: 1px solid var(--xif-line-soft);
}

.xif-drawer__cat > summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	padding: 11px 16px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	list-style: none;
}

.xif-drawer__cat > summary::-webkit-details-marker {
	display: none;
}

.xif-drawer__cat > summary .xif-icon {
	width: 15px;
	height: 15px;
	color: var(--xif-gray-400);
	transition: transform .2s;
}

.xif-drawer__cat[open] > summary .xif-icon {
	transform: rotate(180deg);
	color: var(--xif-red);
}

.xif-drawer__cat ul {
	margin: 0;
	padding: 0 16px 10px 34px;
	list-style: none;
}

.xif-drawer__cat ul a {
	display: block;
	padding: 7px 0;
	color: var(--xif-gray-600);
	font-size: 13px;
}

.xif-closebtn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	border: 1px solid var(--xif-line);
	border-radius: 50%;
	background: #fff;
	color: var(--xif-ink);
}

.xif-closebtn:hover {
	border-color: var(--xif-red);
	color: var(--xif-red);
}

.xif-burger {
	display: none;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
}

/* ==========================================================================
   4. 首页 · 公告 / 轮播
   ========================================================================== */
.xif-notice {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 16px;
	padding: 11px 16px;
	border: 1px solid var(--xif-red-100);
	border-left: 3px solid var(--xif-red);
	border-radius: var(--xif-radius);
	background: linear-gradient(90deg, var(--xif-red-50), #fff 65%);
	font-size: 13px;
	color: var(--xif-ink-2);
}

.xif-notice .xif-icon {
	width: 18px;
	height: 18px;
	color: var(--xif-red);
}

.xif-notice__text {
	flex: 1 1 auto;
	min-width: 0;
}

.xif-notice__text strong {
	color: var(--xif-red);
}

.xif-notice__link {
	flex: none;
	font-weight: 600;
	color: var(--xif-red);
	white-space: nowrap;
}

.xif-notice__close {
	flex: none;
	display: inline-flex;
	padding: 4px;
	border: 0;
	background: transparent;
	color: var(--xif-gray-400);
	border-radius: 50%;
}

.xif-notice__close:hover {
	color: var(--xif-ink);
}

.xif-notice.is-hidden {
	display: none;
}

/* 轮播 */
.xif-hero {
	position: relative;
	margin-top: 18px;
	overflow: hidden;
	border-radius: var(--xif-radius-lg);
	background: var(--xif-navy);
}

.xif-hero__viewport {
	overflow: hidden;
}

.xif-hero__track {
	display: flex;
	transition: transform .6s var(--xif-ease);
	will-change: transform;
}

.xif-hero__slide {
	position: relative;
	flex: 0 0 100%;
	min-width: 100%;
	min-height: 420px;
	display: flex;
	align-items: center;
	background-image: url("../img/pattern-circuit.svg"), linear-gradient(118deg, var(--slide-a, #16223c), var(--slide-b, #243d6b));
	background-size: 220px 220px, cover;
	background-position: 0 0, center;
	color: #fff;
}

.xif-hero__slide::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, rgba(9, 13, 22, .72) 0%, rgba(9, 13, 22, .35) 46%, rgba(9, 13, 22, 0) 74%);
	pointer-events: none;
}

.xif-hero__slide--red {
	--slide-a: #6d0010;
	--slide-b: #d6001c;
}

.xif-hero__slide--teal {
	--slide-a: #06231f;
	--slide-b: #0f6b62;
}

.xif-hero__inner {
	position: relative;
	z-index: 2;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	width: 100%;
	padding: 52px 20px;
}

.xif-hero__content {
	max-width: 560px;
}

.xif-hero__eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 14px;
	padding: 5px 12px;
	border: 1px solid rgba(255, 255, 255, .28);
	border-radius: 100px;
	background: rgba(255, 255, 255, .1);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .1em;
	text-transform: uppercase;
	backdrop-filter: blur(4px);
}

.xif-hero__eyebrow .xif-icon {
	width: 13px;
	height: 13px;
}

.xif-hero__title {
	margin: 0 0 14px;
	color: #fff;
	font-size: 38px;
	font-weight: 800;
	line-height: 1.2;
	letter-spacing: -.02em;
	text-shadow: 0 2px 18px rgba(0, 0, 0, .22);
}

.xif-hero__desc {
	margin: 0 0 26px;
	max-width: 480px;
	color: rgba(255, 255, 255, .84);
	font-size: 15px;
	line-height: 1.8;
}

.xif-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.xif-hero__art {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 38%;
	min-width: 260px;
	aspect-ratio: 1;
	flex: none;
}

.xif-hero__ring {
	position: absolute;
	border: 1px solid rgba(255, 255, 255, .16);
	border-radius: 50%;
}

.xif-hero__ring:nth-child(1) { inset: 6%; }
.xif-hero__ring:nth-child(2) { inset: 18%; border-style: dashed; border-color: rgba(255, 255, 255, .22); }
.xif-hero__ring:nth-child(3) { inset: 30%; }

.xif-hero__glyph {
	color: rgba(255, 255, 255, .92);
	filter: drop-shadow(0 18px 40px rgba(0, 0, 0, .35));
}

.xif-hero__glyph .xif-icon {
	width: 132px;
	height: 132px;
}

.xif-hero__chip {
	position: absolute;
	padding: 7px 12px;
	border: 1px solid rgba(255, 255, 255, .22);
	border-radius: 100px;
	background: rgba(12, 17, 26, .5);
	color: #fff;
	font-size: 11px;
	font-weight: 600;
	white-space: nowrap;
	backdrop-filter: blur(6px);
}

.xif-hero__chip--a { top: 8%; right: 2%; }
.xif-hero__chip--b { bottom: 12%; left: -2%; }

.xif-hero__arrow {
	position: absolute;
	right: 24px;
	bottom: 18px;
	z-index: 3;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border: 1px solid rgba(255, 255, 255, .3);
	border-radius: 50%;
	background: rgba(10, 14, 22, .35);
	color: #fff;
	backdrop-filter: blur(4px);
	transition: background .2s, border-color .2s;
}

.xif-hero__arrow:hover {
	background: rgba(255, 255, 255, .92);
	border-color: #fff;
	color: var(--xif-ink);
}

.xif-hero__arrow--prev { right: 72px; }
.xif-hero__arrow--next { right: 24px; }
.xif-hero__arrow .xif-icon { width: 17px; height: 17px; }

.xif-hero__dots {
	position: absolute;
	left: 50%;
	bottom: 18px;
	z-index: 3;
	display: flex;
	gap: 8px;
	transform: translateX(-50%);
}

.xif-hero__dot {
	width: 26px;
	height: 3px;
	padding: 0;
	border: 0;
	border-radius: 2px;
	background: rgba(255, 255, 255, .38);
	transition: background .2s, width .2s;
}

.xif-hero__dot.is-active {
	width: 38px;
	background: #fff;
}

@keyframes xif-fade {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes xif-slide-in {
	from { transform: translateX(-24px); opacity: .4; }
	to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   5. 首页 · 服务保障条
   ========================================================================== */
.xif-trust {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	margin: 22px 0 0;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	overflow: hidden;
}

.xif-trust__item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 16px 20px;
	border-left: 1px solid var(--xif-line-soft);
}

.xif-trust__item:first-child {
	border-left: 0;
}

.xif-trust__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	flex: none;
	border-radius: 50%;
	background: var(--xif-red-50);
	color: var(--xif-red);
}

.xif-trust__icon .xif-icon {
	width: 20px;
	height: 20px;
}

.xif-trust__title {
	margin: 0;
	font-size: 13px;
	font-weight: 700;
}

.xif-trust__desc {
	margin: 2px 0 0;
	color: var(--xif-gray-500);
	font-size: 12px;
}

/* ==========================================================================
   6. 首页 · 热门品类
   ========================================================================== */
.xif-cats {
	display: grid;
	grid-template-columns: repeat(5, minmax(0, 1fr));
	gap: 14px;
}

.xif-cat {
	position: relative;
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 16px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	overflow: hidden;
	transition: border-color .2s var(--xif-ease), box-shadow .25s var(--xif-ease), transform .25s var(--xif-ease);
}

.xif-cat::after {
	content: "";
	position: absolute;
	right: -28px;
	bottom: -28px;
	width: 64px;
	height: 64px;
	border-radius: 50%;
	background: var(--xif-red-50);
	opacity: 0;
	transition: opacity .25s, transform .25s;
	transform: scale(.6);
}

.xif-cat:hover {
	border-color: var(--xif-red-100);
	box-shadow: var(--xif-shadow-sm);
	transform: translateY(-2px);
}

.xif-cat:hover::after {
	opacity: 1;
	transform: scale(1);
}

.xif-cat__icon {
	position: relative;
	z-index: 1;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	flex: none;
	border-radius: 12px;
	background: var(--xif-bg);
	color: var(--xif-ink-2);
	transition: background .2s, color .2s;
}

.xif-cat:hover .xif-cat__icon {
	background: var(--xif-red);
	color: #fff;
}

.xif-cat__icon .xif-icon {
	width: 26px;
	height: 26px;
}

.xif-cat__body {
	position: relative;
	z-index: 1;
	min-width: 0;
}

.xif-cat__title {
	display: block;
	margin: 0;
	color: var(--xif-ink);
	font-size: 13px;
	font-weight: 700;
	line-height: 1.45;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.xif-cat__meta {
	display: block;
	margin-top: 3px;
	color: var(--xif-gray-400);
	font-size: 11px;
}

.xif-cat--all {
	grid-column: 1 / -1;
	justify-content: center;
	min-height: 54px;
	padding: 12px 16px;
	border-style: dashed;
	background: var(--xif-bg-soft);
	color: var(--xif-gray-600);
	font-size: 13px;
	font-weight: 600;
	gap: 8px;
}

.xif-cat--all::after {
	display: none;
}

.xif-cat--all .xif-icon {
	width: 17px;
	height: 17px;
	color: var(--xif-red);
}

.xif-cat--all:hover {
	color: var(--xif-red);
	border-color: var(--xif-red-100);
	transform: none;
	box-shadow: none;
}

/* ==========================================================================
   7. 首页 · 促销横幅
   ========================================================================== */
.xif-promos {
	display: grid;
	grid-template-columns: 1.15fr .85fr;
	gap: 16px;
}

.xif-promo {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: center;
	min-height: 210px;
	padding: 30px 32px;
	border-radius: var(--xif-radius-lg);
	background: linear-gradient(120deg, #101a2c, #1e3357);
	color: #fff;
	overflow: hidden;
	isolation: isolate;
}

.xif-promo::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image: url("../img/pattern-circuit.svg");
	background-size: 220px 220px;
	opacity: .5;
}

.xif-promo::after {
	content: "";
	position: absolute;
	top: -40%;
	right: -10%;
	z-index: -1;
	width: 340px;
	height: 340px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(214, 0, 28, .55), transparent 68%);
}

.xif-promo--red {
	background: linear-gradient(120deg, #7d0013, #d6001c 70%);
}

.xif-promo--red::after {
	background: radial-gradient(circle, rgba(255, 255, 255, .28), transparent 68%);
}

.xif-promo--light {
	background: linear-gradient(120deg, #eef1f4, #ffffff);
	color: var(--xif-ink);
	border: 1px solid var(--xif-line);
}

.xif-promo--light::before {
	opacity: .18;
	filter: invert(1);
}

.xif-promo--light::after {
	background: radial-gradient(circle, rgba(214, 0, 28, .12), transparent 68%);
}

.xif-promo__kicker {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	align-self: flex-start;
	margin-bottom: 12px;
	padding: 4px 10px;
	border-radius: 100px;
	background: rgba(255, 255, 255, .16);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .08em;
}

.xif-promo--light .xif-promo__kicker {
	background: var(--xif-red-50);
	color: var(--xif-red);
}

.xif-promo__title {
	margin: 0 0 8px;
	max-width: 420px;
	color: inherit;
	font-size: 24px;
	font-weight: 800;
	line-height: 1.35;
}

.xif-promo__desc {
	margin: 0 0 20px;
	max-width: 400px;
	color: rgba(255, 255, 255, .8);
	font-size: 13px;
}

.xif-promo--light .xif-promo__desc {
	color: var(--xif-gray-600);
}

.xif-promo__link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	align-self: flex-start;
	padding-bottom: 4px;
	border-bottom: 1px solid currentColor;
	color: #fff;
	font-size: 13px;
	font-weight: 700;
}

.xif-promo__link:hover {
	color: #fff;
	opacity: .8;
}

.xif-promo--light .xif-promo__link {
	color: var(--xif-red);
}

.xif-promo__link .xif-icon {
	width: 15px;
	height: 15px;
}

/* ==========================================================================
   8. 首页 · 产品
   ========================================================================== */
.xif-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	margin-bottom: 18px;
	padding-bottom: 12px;
	border-bottom: 1px solid var(--xif-line);
}

.xif-tabs__btn {
	padding: 7px 16px;
	border: 1px solid transparent;
	border-radius: 100px;
	background: transparent;
	color: var(--xif-gray-600);
	font-size: 13px;
	font-weight: 600;
	transition: background .2s, color .2s, border-color .2s;
}

.xif-tabs__btn:hover {
	color: var(--xif-red);
}

.xif-tabs__btn.is-active {
	border-color: var(--xif-red-100);
	background: var(--xif-red-50);
	color: var(--xif-red);
}

.xif-products {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
}

.xif-product {
	position: relative;
	display: flex;
	flex-direction: column;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	transition: border-color .2s, box-shadow .25s, transform .25s;
}

.xif-product:hover {
	border-color: var(--xif-line);
	box-shadow: var(--xif-shadow);
	transform: translateY(-3px);
}

.xif-product__media {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	height: 168px;
	padding: 18px;
	border-bottom: 1px solid var(--xif-line-soft);
	border-radius: var(--xif-radius) var(--xif-radius) 0 0;
	background: radial-gradient(circle at 50% 42%, #fff, #f5f6f7 70%);
	overflow: hidden;
}

.xif-product__media img {
	max-height: 132px;
	width: auto;
	object-fit: contain;
	mix-blend-mode: multiply;
}

.xif-product__ph {
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--xif-gray-300);
}

.xif-product__ph .xif-icon {
	width: 76px;
	height: 76px;
	stroke-width: 1;
}

.xif-product__flags {
	position: absolute;
	top: 10px;
	left: 10px;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 6px;
}

.xif-product__flag {
	padding: 3px 8px;
	border-radius: 3px;
	background: var(--xif-red);
	color: #fff;
	font-size: 10px;
	font-weight: 700;
	letter-spacing: .02em;
	line-height: 1.6;
}

.xif-product__flag--dark {
	background: var(--xif-ink);
}

.xif-product__flag--green {
	background: var(--xif-green);
}

.xif-product__body {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	padding: 14px 16px 16px;
}

.xif-product__brand {
	margin: 0 0 4px;
	color: var(--xif-gray-400);
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .08em;
	text-transform: uppercase;
}

.xif-product__title {
	margin: 0 0 6px;
	font-size: 13px;
	font-weight: 600;
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	min-height: 40px;
}

.xif-product__title a:hover {
	color: var(--xif-red);
}

.xif-product__sku {
	margin: 0 0 12px;
	color: var(--xif-gray-400);
	font-size: 11px;
	font-family: "Consolas", "SFMono-Regular", ui-monospace, monospace;
}

.xif-product__meta {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 10px;
	margin-top: auto;
	padding-top: 10px;
	border-top: 1px dashed var(--xif-line);
}

.xif-product__price {
	color: var(--xif-red);
	font-size: 18px;
	font-weight: 800;
	line-height: 1.2;
	white-space: nowrap;
}

.xif-product__price small {
	margin-right: 2px;
	font-size: 11px;
	font-weight: 700;
}

.xif-product__price del {
	margin-left: 6px;
	color: var(--xif-gray-400);
	font-size: 11px;
	font-weight: 500;
}

.xif-product__stock {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	color: var(--xif-green);
	font-size: 11px;
	font-weight: 600;
	white-space: nowrap;
}

.xif-product__stock::before {
	content: "";
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: currentColor;
}

.xif-product__stock--out {
	color: var(--xif-gray-400);
}

.xif-product__actions {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

.xif-product__actions .xif-btn {
	flex: 1 1 auto;
	background: #fff;
	border-color: var(--xif-red);
	color: var(--xif-red);
}

.xif-product__actions .xif-btn:hover,
.xif-product__actions .xif-btn:focus {
	background: var(--xif-red);
	border-color: var(--xif-red);
	color: #fff;
}

.xif-product__fav {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	flex: none;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	color: var(--xif-gray-500);
	transition: color .2s, border-color .2s, background .2s;
}

.xif-product__fav:hover {
	border-color: var(--xif-red-100);
	background: var(--xif-red-50);
	color: var(--xif-red);
}

.xif-product__fav .xif-icon {
	width: 17px;
	height: 17px;
}

/* ==========================================================================
   9. 首页 · 品牌 / 行业 / 服务 / 资讯
   ========================================================================== */
.xif-brands {
	display: grid;
	grid-template-columns: repeat(6, minmax(0, 1fr));
	gap: 12px;
}

.xif-brand {
	display: flex;
	align-items: center;
	justify-content: center;
	height: 84px;
	padding: 12px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	color: var(--xif-gray-400);
	font-size: 15px;
	font-weight: 800;
	letter-spacing: .06em;
	text-align: center;
	filter: grayscale(1);
	transition: filter .25s, color .25s, border-color .25s, box-shadow .25s;
}

.xif-brand:hover {
	filter: grayscale(0);
	color: var(--xif-ink);
	border-color: var(--xif-red-100);
	box-shadow: var(--xif-shadow-sm);
}

.xif-industries {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 16px;
}

.xif-industry {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	min-height: 260px;
	padding: 26px;
	border-radius: var(--xif-radius-lg);
	background: linear-gradient(160deg, #1a2740, #0d1524);
	color: #fff;
	overflow: hidden;
	isolation: isolate;
}

.xif-industry::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image: url("../img/pattern-circuit.svg");
	background-size: 200px 200px;
	opacity: .45;
	transition: opacity .3s;
}

.xif-industry::after {
	content: "";
	position: absolute;
	top: -30px;
	right: -30px;
	z-index: -1;
	width: 220px;
	height: 220px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(214, 0, 28, .45), transparent 70%);
	transition: transform .4s var(--xif-ease);
}

.xif-industry:hover {
	color: #fff;
}

.xif-industry:hover::after {
	transform: scale(1.15);
}

.xif-industry--light {
	background: linear-gradient(160deg, #f7f8f9, #eef0f3);
	color: var(--xif-ink);
	border: 1px solid var(--xif-line);
}

.xif-industry--light::before {
	opacity: .1;
	filter: invert(1);
}

.xif-industry--light::after {
	background: radial-gradient(circle, rgba(214, 0, 28, .14), transparent 70%);
}

.xif-industry__icon {
	position: absolute;
	top: 24px;
	right: 24px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 46px;
	height: 46px;
	border: 1px solid rgba(255, 255, 255, .22);
	border-radius: 12px;
	color: #fff;
}

.xif-industry--light .xif-industry__icon {
	border-color: var(--xif-line);
	color: var(--xif-red);
	background: #fff;
}

.xif-industry__icon .xif-icon {
	width: 24px;
	height: 24px;
}

.xif-industry__title {
	margin: 0 0 8px;
	color: inherit;
	font-size: 20px;
	font-weight: 800;
}

.xif-industry__desc {
	margin: 0 0 18px;
	color: rgba(255, 255, 255, .76);
	font-size: 13px;
	line-height: 1.75;
}

.xif-industry--light .xif-industry__desc {
	color: var(--xif-gray-600);
}

.xif-industry__link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: #fff;
	font-size: 13px;
	font-weight: 700;
}

.xif-industry--light .xif-industry__link {
	color: var(--xif-red);
}

.xif-industry__link:hover {
	color: #fff;
	opacity: .8;
}

.xif-industry--light .xif-industry__link:hover {
	color: var(--xif-red-600);
}

.xif-industry__link .xif-icon {
	width: 15px;
	height: 15px;
}

.xif-services {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
}

.xif-service {
	padding: 26px 24px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	transition: border-color .2s, box-shadow .25s, transform .25s;
}

.xif-service:hover {
	border-color: var(--xif-red-100);
	box-shadow: var(--xif-shadow-sm);
	transform: translateY(-2px);
}

.xif-service__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 46px;
	height: 46px;
	margin-bottom: 16px;
	border-radius: 12px;
	background: var(--xif-bg);
	color: var(--xif-red);
}

.xif-service__icon .xif-icon {
	width: 24px;
	height: 24px;
}

.xif-service__title {
	margin: 0 0 6px;
	font-size: 15px;
	font-weight: 700;
}

.xif-service__desc {
	margin: 0 0 14px;
	color: var(--xif-gray-600);
	font-size: 13px;
	line-height: 1.7;
}

/* 新闻卡片 */
.xif-posts {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 16px;
}

.xif-postcard {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	overflow: hidden;
	transition: box-shadow .25s, transform .25s;
}

.xif-postcard:hover {
	box-shadow: var(--xif-shadow);
	transform: translateY(-2px);
}

.xif-postcard__media {
	position: relative;
	aspect-ratio: 16 / 9;
	background: linear-gradient(135deg, #1b2740, #0f1726);
	background-image: url("../img/pattern-circuit.svg"), linear-gradient(135deg, #1b2740, #0f1726);
	background-size: 200px 200px, cover;
	color: #fff;
	overflow: hidden;
}

.xif-postcard__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.xif-postcard__ph {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: rgba(255, 255, 255, .34);
}

.xif-postcard__ph .xif-icon {
	width: 64px;
	height: 64px;
	stroke-width: 1;
}

.xif-postcard__cat {
	position: absolute;
	top: 12px;
	left: 12px;
	padding: 3px 10px;
	border-radius: 3px;
	background: var(--xif-red);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
}

.xif-postcard__body {
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
	padding: 18px 20px 20px;
}

.xif-postcard__date {
	display: flex;
	align-items: center;
	gap: 6px;
	margin-bottom: 8px;
	color: var(--xif-gray-400);
	font-size: 11px;
}

.xif-postcard__date .xif-icon {
	width: 13px;
	height: 13px;
}

.xif-postcard__title {
	margin: 0 0 8px;
	font-size: 16px;
	font-weight: 700;
	line-height: 1.5;
}

.xif-postcard__title a {
	color: var(--xif-ink);
}

.xif-postcard__excerpt {
	margin: 0 0 14px;
	color: var(--xif-gray-600);
	font-size: 13px;
	line-height: 1.75;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.xif-postcard__more {
	margin-top: auto;
}

/* 订阅 */
.xif-newsletter {
	position: relative;
	margin: 8px 0 0;
	padding: 40px 44px;
	border-radius: var(--xif-radius-lg);
	background: linear-gradient(118deg, #8f0012, #d6001c 62%, #ef2a3e);
	color: #fff;
	overflow: hidden;
	isolation: isolate;
}

.xif-newsletter::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image: url("../img/pattern-circuit.svg");
	background-size: 220px 220px;
	opacity: .35;
}

.xif-newsletter__grid {
	display: grid;
	grid-template-columns: 1fr minmax(360px, 480px);
	align-items: center;
	gap: 32px;
}

.xif-newsletter__title {
	margin: 0 0 8px;
	color: #fff;
	font-size: 26px;
	font-weight: 800;
}

.xif-newsletter__desc {
	margin: 0;
	max-width: 520px;
	color: rgba(255, 255, 255, .82);
	font-size: 13px;
	line-height: 1.8;
}

.xif-newsletter__form {
	display: flex;
	gap: 8px;
	padding: 6px;
	border-radius: 100px;
	background: #fff;
	box-shadow: var(--xif-shadow);
}

.xif-newsletter__input {
	flex: 1 1 auto;
	min-width: 0;
	padding: 11px 18px;
	border: 0;
	border-radius: 100px;
	background: transparent;
	font-size: 13px;
	outline: none;
}

.xif-newsletter__btn {
	flex: none;
	padding: 11px 24px;
	border: 0;
	border-radius: 100px;
	background: var(--xif-ink);
	color: #fff;
	font-size: 13px;
	font-weight: 700;
	transition: background .2s;
}

.xif-newsletter__btn:hover {
	background: var(--xif-red-700);
}

.xif-newsletter__hint {
	margin: 10px 0 0;
	color: rgba(255, 255, 255, .7);
	font-size: 11px;
}

/* ==========================================================================
   10. 页脚
   ========================================================================== */
.xif-footer {
	margin-top: 56px;
	background: var(--xif-bg);
	border-top: 1px solid var(--xif-line);
	color: var(--xif-gray-600);
	font-size: 13px;
}

.xif-footer__top {
	display: grid;
	grid-template-columns: 1.5fr 1fr 1fr 1fr;
	gap: 32px;
	padding: 40px 0 32px;
}

.xif-footer__brand {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 14px;
}

.xif-footer__about {
	max-width: 340px;
	margin: 0 0 18px;
	color: var(--xif-gray-600);
	font-size: 12px;
	line-height: 1.85;
}

.xif-footer__contact {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-footer__contact li {
	display: flex;
	align-items: flex-start;
	gap: 9px;
	font-size: 12px;
	line-height: 1.7;
}

.xif-footer__contact .xif-icon {
	width: 15px;
	height: 15px;
	margin-top: 3px;
	color: var(--xif-red);
}

.xif-footer__contact strong {
	color: var(--xif-ink);
	font-size: 13px;
}

.xif-footer__col h3 {
	margin: 0 0 14px;
	color: var(--xif-ink);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: .02em;
}

.xif-footer__col ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-footer__col li {
	margin-bottom: 9px;
}

.xif-footer__col a {
	color: var(--xif-gray-600);
	font-size: 12px;
}

.xif-footer__col a:hover {
	color: var(--xif-red);
}

.xif-footer__bottom {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 18px 0;
	border-top: 1px solid var(--xif-line);
	font-size: 12px;
}

.xif-footer__legal {
	display: flex;
	flex-wrap: wrap;
	gap: 6px 18px;
	color: var(--xif-gray-500);
	font-size: 11px;
}

.xif-footer__social {
	display: flex;
	align-items: center;
	gap: 10px;
}

.xif-social {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border: 1px solid var(--xif-line);
	border-radius: 50%;
	background: #fff;
	color: var(--xif-gray-500);
	transition: color .2s, border-color .2s, background .2s;
}

.xif-social:hover {
	border-color: var(--xif-red);
	background: var(--xif-red);
	color: #fff;
}

.xif-social .xif-icon {
	width: 15px;
	height: 15px;
}

.xif-pay {
	display: flex;
	align-items: center;
	gap: 8px;
}

.xif-pay__item {
	display: inline-flex;
	align-items: center;
	height: 26px;
	padding: 0 8px;
	border: 1px solid var(--xif-line);
	border-radius: 4px;
	background: #fff;
	color: var(--xif-gray-600);
	font-size: 10px;
	font-weight: 700;
	letter-spacing: .02em;
}

.xif-pay__item--alipay {
	color: #1677ff;
}

.xif-pay__item--wechat {
	color: #07c160;
}

.xif-pay__item--union {
	color: #d6001c;
}

/* 回到顶部 */
.xif-totop {
	position: fixed;
	right: 24px;
	bottom: 24px;
	z-index: 60;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border: 1px solid var(--xif-line);
	border-radius: 50%;
	background: #fff;
	color: var(--xif-ink);
	box-shadow: var(--xif-shadow-sm);
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: opacity .25s, visibility .25s, transform .25s, color .2s;
}

.xif-totop.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.xif-totop:hover {
	color: var(--xif-red);
	border-color: var(--xif-red-100);
}

/* ==========================================================================
   11. 内页 · 面包屑 / 标题
   ========================================================================== */
.xif-pagehead {
	padding: 30px 0 6px;
	background: #fff;
}

.xif-crumbs {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	margin: 0 0 14px;
	padding: 0;
	list-style: none;
	color: var(--xif-gray-400);
	font-size: 12px;
}

.xif-crumbs a {
	color: var(--xif-gray-500);
}

.xif-crumbs a:hover {
	color: var(--xif-red);
}

.xif-crumbs .xif-icon {
	width: 12px;
	height: 12px;
	opacity: .7;
}

.xif-pagehead__title {
	margin: 0 0 8px;
	font-size: 28px;
	font-weight: 800;
	letter-spacing: -.02em;
}

.xif-pagehead__desc {
	max-width: 780px;
	margin: 0 0 18px;
	color: var(--xif-gray-600);
	font-size: 14px;
	line-height: 1.8;
}

.xif-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 40px;
	padding: 36px 0 56px;
}

.xif-layout--full {
	grid-template-columns: minmax(0, 1fr);
}

/* 内容排版 */
.xif-content {
	font-size: 15px;
	line-height: 1.85;
	color: var(--xif-ink-2);
}

.xif-content > * + * {
	margin-top: 1.1em;
}

.xif-content h2 {
	margin-top: 1.8em;
	font-size: 22px;
}

.xif-content h3 {
	margin-top: 1.6em;
	font-size: 18px;
}

.xif-content h4 {
	margin-top: 1.4em;
	font-size: 16px;
}

.xif-content a {
	color: var(--xif-red);
	text-decoration: underline;
	text-underline-offset: 3px;
	text-decoration-thickness: 1px;
}

.xif-content ul,
.xif-content ol {
	padding-left: 1.4em;
}

.xif-content li + li {
	margin-top: .4em;
}

.xif-content img {
	border-radius: var(--xif-radius);
}

.xif-content blockquote {
	margin: 1.6em 0;
	padding: 16px 22px;
	border-left: 3px solid var(--xif-red);
	border-radius: 0 var(--xif-radius) var(--xif-radius) 0;
	background: var(--xif-bg);
	color: var(--xif-gray-700);
}

.xif-content blockquote p:last-child {
	margin-bottom: 0;
}

.xif-content code {
	padding: 2px 6px;
	border-radius: 4px;
	background: var(--xif-bg);
	color: var(--xif-red-600);
	font-size: .9em;
}

.xif-content pre {
	padding: 18px 20px;
	border-radius: var(--xif-radius);
	background: var(--xif-ink);
	color: #e8ebef;
	font-size: 13px;
	overflow: auto;
}

.xif-content pre code {
	padding: 0;
	background: none;
	color: inherit;
}

.xif-content table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
}

.xif-content th,
.xif-content td {
	padding: 11px 14px;
	border: 1px solid var(--xif-line);
	text-align: left;
}

.xif-content th {
	background: var(--xif-bg-soft);
	font-weight: 700;
}

/* 文章 */
.xif-entry__head {
	margin-bottom: 22px;
	padding-bottom: 18px;
	border-bottom: 1px solid var(--xif-line);
}

.xif-entry__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 16px;
	color: var(--xif-gray-500);
	font-size: 12px;
}

.xif-entry__meta span {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.xif-entry__meta .xif-icon {
	width: 14px;
	height: 14px;
}

.xif-entry__thumb {
	margin: 0 0 26px;
}

.xif-entry__thumb img {
	width: 100%;
	border-radius: var(--xif-radius-lg);
}

.xif-entry__foot {
	margin-top: 32px;
	padding-top: 22px;
	border-top: 1px solid var(--xif-line);
}

.xif-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-tags a {
	display: inline-flex;
	padding: 4px 12px;
	border: 1px solid var(--xif-line);
	border-radius: 100px;
	color: var(--xif-gray-600);
	font-size: 12px;
}

.xif-tags a:hover {
	border-color: var(--xif-red);
	color: var(--xif-red);
}

/* 文章导航 */
.xif-postnav {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
	margin-top: 28px;
}

.xif-postnav__item {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 16px 18px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	transition: border-color .2s, box-shadow .2s;
}

.xif-postnav__item:hover {
	border-color: var(--xif-red-100);
	box-shadow: var(--xif-shadow-sm);
}

.xif-postnav__item span {
	color: var(--xif-gray-400);
	font-size: 11px;
}

.xif-postnav__item strong {
	color: var(--xif-ink);
	font-size: 13px;
	font-weight: 600;
	line-height: 1.5;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.xif-postnav__item--next {
	text-align: right;
	align-items: flex-end;
}

/* 侧边栏 */
.xif-sidebar {
	display: flex;
	flex-direction: column;
	gap: 22px;
}

.xif-widget {
	padding: 20px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
}

.xif-widget__title,
.xif-widget .widget-title {
	position: relative;
	margin: 0 0 14px;
	padding-bottom: 12px;
	border-bottom: 1px solid var(--xif-line);
	font-size: 15px;
	font-weight: 700;
}

.xif-widget__title::after,
.xif-widget .widget-title::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -1px;
	width: 40px;
	height: 2px;
	background: var(--xif-red);
}

.xif-widget ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.xif-widget li {
	padding: 7px 0;
	border-bottom: 1px dashed var(--xif-line-soft);
	font-size: 13px;
}

.xif-widget li:last-child {
	border-bottom: 0;
	padding-bottom: 0;
}

.xif-widget a {
	color: var(--xif-gray-700);
}

.xif-widget a:hover {
	color: var(--xif-red);
}

.xif-widget .wp-block-search__input,
.xif-widget input[type="search"],
.xif-widget input[type="text"],
.xif-widget input[type="email"],
.xif-widget select {
	width: 100%;
	padding: 9px 12px;
	border: 1px solid var(--xif-line);
	border-radius: 4px;
	background: #fff;
	font-size: 13px;
}

.xif-widget .wp-block-search__button,
.xif-widget input[type="submit"],
.xif-widget button[type="submit"] {
	margin-top: 8px;
	padding: 9px 18px;
	border: 0;
	border-radius: 4px;
	background: var(--xif-red);
	color: #fff;
	font-size: 13px;
	font-weight: 600;
}

.xif-widget__cta {
	position: relative;
	padding: 24px 20px;
	border-radius: var(--xif-radius);
	background: linear-gradient(140deg, #101a2c, #21365c);
	color: #fff;
	overflow: hidden;
}

.xif-widget__cta h3 {
	margin: 0 0 8px;
	color: #fff;
	font-size: 16px;
}

.xif-widget__cta p {
	margin: 0 0 16px;
	color: rgba(255, 255, 255, .78);
	font-size: 12px;
	line-height: 1.75;
}

/* 归档列表 */
.xif-archive-list {
	display: flex;
	flex-direction: column;
	gap: 0;
	border-top: 1px solid var(--xif-line);
}

.xif-archive-item {
	display: grid;
	grid-template-columns: 220px minmax(0, 1fr);
	gap: 22px;
	padding: 24px 0;
	border-bottom: 1px solid var(--xif-line);
}

.xif-archive-item__media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 10;
	border-radius: var(--xif-radius);
	background: linear-gradient(135deg, #1b2740, #0f1726);
	background-image: url("../img/pattern-circuit.svg"), linear-gradient(135deg, #1b2740, #0f1726);
	background-size: 180px 180px, cover;
	overflow: hidden;
}

.xif-archive-item__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.xif-archive-item__body {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.xif-archive-item__title {
	margin: 0 0 8px;
	font-size: 18px;
	font-weight: 700;
	line-height: 1.5;
}

.xif-archive-item__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-bottom: 10px;
	color: var(--xif-gray-400);
	font-size: 12px;
}

.xif-archive-item__excerpt {
	margin: 0 0 12px;
	color: var(--xif-gray-600);
	font-size: 13px;
	line-height: 1.8;
}

/* 分页 */
.xif-pagination {
	margin-top: 32px;
}

.xif-pagination .nav-links,
.xif-pagination {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

.xif-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	height: 38px;
	padding: 0 12px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	color: var(--xif-gray-700);
	font-size: 13px;
	font-weight: 600;
}

.xif-pagination .page-numbers:hover {
	border-color: var(--xif-red);
	color: var(--xif-red);
}

.xif-pagination .page-numbers.current {
	border-color: var(--xif-red);
	background: var(--xif-red);
	color: #fff;
}

.xif-pagination .page-numbers.dots {
	border-color: transparent;
	background: transparent;
}

/* 评论 */
.xif-comments {
	margin-top: 40px;
	padding-top: 28px;
	border-top: 1px solid var(--xif-line);
}

.xif-comments__title {
	margin: 0 0 20px;
	font-size: 18px;
}

.xif-comment-list {
	margin: 0 0 28px;
	padding: 0;
	list-style: none;
}

.xif-comment-list .children {
	margin: 0;
	padding-left: 32px;
	list-style: none;
}

.xif-comment {
	display: flex;
	gap: 14px;
	padding: 18px 0;
	border-bottom: 1px solid var(--xif-line-soft);
}

.xif-comment .avatar {
	flex: none;
	border-radius: 50%;
}

.xif-comment__body {
	flex: 1 1 auto;
	min-width: 0;
}

.xif-comment__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
	margin-bottom: 6px;
	font-size: 12px;
	color: var(--xif-gray-500);
}

.xif-comment__author {
	color: var(--xif-ink);
	font-size: 13px;
	font-weight: 700;
	font-style: normal;
}

.xif-comment__text {
	font-size: 13px;
	line-height: 1.8;
	color: var(--xif-gray-700);
}

.xif-comment__text p:last-child {
	margin-bottom: 0;
}

.comment-reply-link {
	font-size: 12px;
	font-weight: 600;
}

.comment-form {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.comment-form p {
	margin: 0;
}

.comment-form label {
	display: block;
	margin-bottom: 5px;
	color: var(--xif-gray-600);
	font-size: 12px;
	font-weight: 600;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	font-size: 13px;
	transition: border-color .2s, box-shadow .2s;
}

.comment-form input:focus,
.comment-form textarea:focus {
	border-color: var(--xif-ink);
	outline: none;
	box-shadow: 0 0 0 3px rgba(21, 23, 28, .06);
}

.comment-form textarea {
	min-height: 120px;
	resize: vertical;
}

.comment-form .comment-form-comment,
.comment-form .comment-form-url,
.comment-form .comment-form-cookies-consent,
.comment-form .form-submit,
.comment-form .comment-notes,
.comment-form .comment-form-author,
.comment-form .comment-form-email {
	grid-column: span 2;
}

.comment-form .comment-form-cookies-consent {
	display: flex;
	align-items: center;
	gap: 8px;
}

.comment-form .comment-form-cookies-consent label {
	margin: 0;
}

.comment-form .submit {
	padding: 11px 26px;
	border: 0;
	border-radius: var(--xif-radius);
	background: var(--xif-red);
	color: #fff;
	font-size: 14px;
	font-weight: 600;
}

.comment-form .submit:hover {
	background: var(--xif-red-600);
}

/* ==========================================================================
   12. 404 / 搜索 / 空状态
   ========================================================================== */
.xif-404 {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 80px 20px 96px;
	text-align: center;
}

.xif-404__code {
	color: var(--xif-red);
	font-size: 110px;
	font-weight: 800;
	line-height: 1;
	letter-spacing: -.04em;
	opacity: .14;
}

.xif-404__title {
	margin: -18px 0 12px;
	font-size: 26px;
}

.xif-404__desc {
	max-width: 460px;
	margin: 0 0 26px;
	color: var(--xif-gray-600);
	font-size: 14px;
}

.xif-empty {
	padding: 36px 20px;
	border: 1px dashed var(--xif-line);
	border-radius: var(--xif-radius);
	background: var(--xif-bg-soft);
	text-align: center;
	color: var(--xif-gray-600);
	font-size: 14px;
}

.xif-search-result {
	padding: 14px 0;
	border-bottom: 1px solid var(--xif-line);
}

.xif-search-result__title {
	margin: 0 0 4px;
	font-size: 16px;
}

/* ==========================================================================
   13. WordPress 核心类
   ========================================================================== */
.alignleft {
	float: left;
	margin: .4em 1.4em 1em 0;
}

.alignright {
	float: right;
	margin: .4em 0 1em 1.4em;
}

.aligncenter {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.alignwide {
	max-width: 1100px;
	margin-left: auto;
	margin-right: auto;
}

.alignfull {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
}

.wp-caption {
	max-width: 100%;
}

.wp-caption-text,
.wp-element-caption,
figcaption {
	margin-top: 8px;
	color: var(--xif-gray-500);
	font-size: 12px;
	text-align: center;
}

.sticky {
	position: relative;
}

.gallery-caption,
.bypostauthor {
	position: static;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus {
	display: block;
	top: 5px;
	left: 5px;
	z-index: 100000;
	width: auto;
	height: auto;
	padding: 15px 23px 14px;
	clip: auto;
	background: #fff;
	color: var(--xif-red);
	font-size: 14px;
	font-weight: 700;
	text-decoration: none;
	box-shadow: var(--xif-shadow);
}

/* ==========================================================================
   13.5 产品详情 / 联系 / 关于 / 搜索 / 404
   ========================================================================== */
.xif-product-single__top {
	display: grid;
	grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
	gap: 36px;
	margin-bottom: 34px;
	padding-bottom: 34px;
	border-bottom: 1px solid var(--xif-line);
}

.xif-product-single__media {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 320px;
	padding: 28px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius-lg);
	background: radial-gradient(circle at 50% 42%, #fff, #f5f6f7 70%);
	overflow: hidden;
}

.xif-product-single__media img {
	max-height: 320px;
	width: auto;
	object-fit: contain;
	mix-blend-mode: multiply;
}

.xif-product-single__media .xif-product__ph .xif-icon {
	width: 120px;
	height: 120px;
}

.xif-product-single__info {
	display: flex;
	flex-direction: column;
	justify-content: center;
	min-width: 0;
}

.xif-product-single__brand {
	margin: 0 0 6px;
	color: var(--xif-gray-400);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: .1em;
	text-transform: uppercase;
}

.xif-product-single__price {
	color: var(--xif-red);
	font-size: 34px;
	font-weight: 800;
	line-height: 1.2;
	letter-spacing: -.02em;
}

.xif-product-single__price small {
	margin-right: 3px;
	font-size: 16px;
}

.xif-product-single__price del {
	margin-left: 10px;
	color: var(--xif-gray-400);
	font-size: 14px;
	font-weight: 500;
}

.xif-product-single__stock {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin: 8px 0 18px;
	color: var(--xif-green);
	font-size: 13px;
	font-weight: 600;
}

.xif-product-single__stock::before {
	content: "";
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: currentColor;
}

.xif-product-single__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 22px;
}

.xif-specs {
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	overflow: hidden;
}

.xif-specs__row {
	display: flex;
	gap: 16px;
	padding: 10px 14px;
	border-bottom: 1px solid var(--xif-line-soft);
	font-size: 13px;
}

.xif-specs__row:last-child {
	border-bottom: 0;
}

.xif-specs__label {
	width: 84px;
	flex: none;
	color: var(--xif-gray-500);
}

.xif-specs__value {
	color: var(--xif-ink-2);
	font-weight: 600;
	word-break: break-word;
}

.xif-product__stock--lead {
	color: #b26a00;
}

/* 联系我们 */
.xif-contact-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
	gap: 40px;
	padding: 36px 0 56px;
}

.xif-contact-panel {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.xif-contact-card {
	display: flex;
	gap: 14px;
	padding: 18px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
}

.xif-contact-card__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	flex: none;
	border-radius: 50%;
	background: var(--xif-red-50);
	color: var(--xif-red);
}

.xif-contact-card__icon .xif-icon {
	width: 19px;
	height: 19px;
}

.xif-contact-card__label {
	margin: 0 0 3px;
	color: var(--xif-gray-400);
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .06em;
}

.xif-contact-card__value {
	margin: 0;
	color: var(--xif-ink-2);
	font-size: 13px;
	font-weight: 600;
	line-height: 1.65;
	word-break: break-word;
}

.xif-contact-panel__cta {
	margin-top: 6px;
	padding: 22px;
	border-radius: var(--xif-radius);
	background: linear-gradient(140deg, #101a2c, #21365c);
	color: #fff;
}

.xif-contact-panel__cta h3 {
	margin: 0 0 8px;
	color: #fff;
	font-size: 16px;
}

.xif-contact-panel__cta p {
	margin: 0 0 16px;
	color: rgba(255, 255, 255, .78);
	font-size: 12px;
	line-height: 1.75;
}

/* 关于我们 */
.xif-stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
	margin: 8px 0 36px;
}

.xif-stat {
	padding: 22px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	text-align: center;
}

.xif-stat__value {
	margin: 0;
	color: var(--xif-red);
	font-size: 28px;
	font-weight: 800;
	letter-spacing: -.02em;
}

.xif-stat__label {
	margin: 4px 0 0;
	color: var(--xif-gray-500);
	font-size: 12px;
}

.xif-about-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 40px;
}

/* 搜索表单 */
.xif-search-form {
	display: flex;
	gap: 8px;
}

.xif-search-form__input {
	flex: 1 1 auto;
	min-width: 0;
	padding: 10px 14px;
	border: 1px solid var(--xif-line);
	border-radius: var(--xif-radius);
	background: #fff;
	font-size: 13px;
}

.xif-search-form__input:focus {
	border-color: var(--xif-ink);
	outline: none;
	box-shadow: 0 0 0 3px rgba(21, 23, 28, .06);
}

/* 404 */
.xif-404__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 12px;
	margin-bottom: 26px;
}

.xif-404__search {
	width: min(460px, 100%);
	margin-bottom: 22px;
}

.xif-404__cats {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
}

/* 评论补充 */
.xif-comment__actions {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-top: 6px;
	font-size: 12px;
}

.xif-comment__actions a {
	font-weight: 600;
}

.xif-comment .avatar {
	border-radius: 50%;
}

/* ==========================================================================
   14. 响应式
   ========================================================================== */
@media (max-width: 1200px) {
	.xif-cats {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

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

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

	.xif-hero__title {
		font-size: 32px;
	}

	.xif-hero__art {
		width: 32%;
		min-width: 220px;
	}
}

@media (max-width: 1024px) {
	.xif-headbar__inner {
		gap: 16px;
		height: 68px;
	}

	.xif-logo__desc,
	.xif-headact__text {
		display: none;
	}

	.xif-search {
		max-width: none;
	}

	.xif-headact {
		padding: 8px;
	}

	.xif-headact--cart .xif-headact__count {
		left: 20px;
	}

	.xif-navbar {
		display: none;
	}

	.xif-burger {
		display: inline-flex;
	}

	.xif-toplinks--left a:nth-child(n + 3) {
		display: none;
	}

	.xif-hero__slide {
		min-height: 360px;
	}

	.xif-hero__inner {
		padding: 40px 20px;
	}

	.xif-hero__title {
		font-size: 28px;
	}

	.xif-hero__desc {
		font-size: 14px;
	}

	.xif-hero__art {
		display: none;
	}

	.xif-trust {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.xif-trust__item:nth-child(3) {
		border-left: 0;
		border-top: 1px solid var(--xif-line-soft);
	}

	.xif-trust__item:nth-child(4) {
		border-top: 1px solid var(--xif-line-soft);
	}

	.xif-promos {
		grid-template-columns: minmax(0, 1fr);
	}

	.xif-industries {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.xif-services {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.xif-posts {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.xif-newsletter {
		padding: 32px 28px;
	}

	.xif-newsletter__grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 20px;
	}

	.xif-layout {
		grid-template-columns: minmax(0, 1fr);
		gap: 32px;
	}

	.xif-footer__top {
		grid-template-columns: 1.4fr 1fr 1fr;
	}

	.xif-footer__brandcol {
		grid-column: span 3;
	}

	.xif-footer__about {
		max-width: none;
	}
}

@media (max-width: 782px) {
	:root {
		--xif-gutter: 16px;
	}

	.xif-topbar {
		display: none;
	}

	.xif-hero {
		margin-top: 12px;
		border-radius: var(--xif-radius);
	}

	.xif-hero__slide {
		min-height: 320px;
	}

	.xif-hero__title {
		font-size: 24px;
	}

	.xif-hero__desc {
		margin-bottom: 20px;
		font-size: 13px;
	}

	.xif-hero__eyebrow {
		font-size: 10px;
	}

	.xif-hero__arrow {
		display: none;
	}

	.xif-section {
		padding: 32px 0;
	}

	.xif-section__head {
		margin-bottom: 18px;
	}

	.xif-section__title {
		font-size: 19px;
	}

	.xif-cats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 10px;
	}

	.xif-cat {
		gap: 10px;
		padding: 12px;
	}

	.xif-cat__icon {
		width: 40px;
		height: 40px;
		border-radius: 10px;
	}

	.xif-cat__icon .xif-icon {
		width: 22px;
		height: 22px;
	}

	.xif-cat__title {
		font-size: 12px;
	}

	.xif-products {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 10px;
	}

	.xif-product__media {
		height: 132px;
	}

	.xif-product__title {
		font-size: 12px;
		min-height: 36px;
	}

	.xif-product__price {
		font-size: 16px;
	}

	.xif-product__actions {
		flex-direction: column;
	}

	.xif-product__fav {
		display: none;
	}

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

	.xif-brand {
		height: 68px;
		font-size: 13px;
	}

	.xif-industries,
	.xif-services,
	.xif-posts {
		grid-template-columns: minmax(0, 1fr);
	}

	.xif-industry {
		min-height: 200px;
		padding: 22px;
	}

	.xif-industry__title {
		font-size: 18px;
	}

	.xif-newsletter__title {
		font-size: 21px;
	}

	.xif-newsletter__form {
		flex-direction: column;
		border-radius: var(--xif-radius);
	}

	.xif-newsletter__input,
	.xif-newsletter__btn {
		border-radius: var(--xif-radius);
	}

	.xif-footer {
		margin-top: 40px;
	}

	.xif-footer__top {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 24px;
		padding: 30px 0 24px;
	}

	.xif-footer__brandcol {
		grid-column: span 2;
	}

	.xif-footer__bottom {
		flex-direction: column;
		align-items: flex-start;
		gap: 14px;
	}

	.xif-archive-item {
		grid-template-columns: minmax(0, 1fr);
		gap: 14px;
	}

	.xif-archive-item__media {
		aspect-ratio: 16 / 9;
	}

	.xif-postnav {
		grid-template-columns: minmax(0, 1fr);
	}

	.comment-form {
		grid-template-columns: minmax(0, 1fr);
	}

	.comment-form .comment-form-comment,
	.comment-form .comment-form-url,
	.comment-form .comment-form-cookies-consent,
	.comment-form .form-submit,
	.comment-form .comment-notes,
	.comment-form .comment-form-author,
	.comment-form .comment-form-email {
		grid-column: span 1;
	}

	.xif-pagehead {
		padding: 20px 0 4px;
	}

	.xif-pagehead__title {
		font-size: 22px;
	}

	.xif-layout {
		padding: 24px 0 40px;
	}

	.xif-totop {
		right: 14px;
		bottom: 14px;
		width: 40px;
		height: 40px;
	}

	.xif-pagination .nav-links,
	.xif-pagination {
		gap: 6px;
	}

	.xif-404 {
		padding: 56px 16px 64px;
	}

	.xif-404__code {
		font-size: 84px;
	}
}

@media (max-width: 480px) {
	.xif-hero__slide {
		min-height: 300px;
	}

	.xif-hero__title {
		font-size: 21px;
	}

	.xif-hero__actions .xif-btn {
		padding: 10px 16px;
		font-size: 13px;
	}

	.xif-cats {
		grid-template-columns: minmax(0, 1fr);
	}

	.xif-products {
		grid-template-columns: minmax(0, 1fr);
	}

	.xif-trust {
		grid-template-columns: minmax(0, 1fr);
	}

	.xif-trust__item {
		border-left: 0;
		border-top: 1px solid var(--xif-line-soft);
	}

	.xif-trust__item:first-child {
		border-top: 0;
	}

	.xif-brands {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

/* 减少动态效果偏好 */
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: .001ms !important;
		transition-duration: .001ms !important;
	}

	.xif-hero__track {
		transition: none;
	}
}

/* ==========================================================================
   15. 内页组件的响应式补充
   ========================================================================== */
@media (max-width: 1024px) {
	.xif-product-single__top {
		grid-template-columns: minmax(0, 1fr);
		gap: 24px;
	}

	.xif-product-single__media {
		min-height: 260px;
	}

	.xif-contact-grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 28px;
		padding: 28px 0 40px;
	}

	.xif-stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.xif-about-grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 28px;
	}
}

@media (max-width: 782px) {
	.xif-product-single__price {
		font-size: 27px;
	}

	.xif-product-single__media {
		min-height: 220px;
		padding: 18px;
	}

	.xif-product-single__actions .xif-btn {
		flex: 1 1 auto;
	}

	.xif-stats {
		gap: 10px;
		margin-bottom: 26px;
	}

	.xif-stat {
		padding: 16px 12px;
	}

	.xif-stat__value {
		font-size: 21px;
	}

	.xif-contact-card {
		padding: 14px;
	}

	.xif-search-form {
		flex-wrap: wrap;
	}

	.xif-search-form .xif-btn {
		flex: 1 1 100%;
	}
}

/* 前端筛选：确保 [hidden] 生效 */
[hidden] {
	display: none !important;
}

/* ==========================================================================
   16. 小屏页头与公告条
   ========================================================================== */
@media (max-width: 782px) {
	.xif-headbar__inner {
		flex-wrap: wrap;
		height: auto;
		padding: 10px 0 12px;
		gap: 10px 12px;
	}

	.xif-burger {
		order: 0;
	}

	.xif-logo {
		order: 1;
	}

	.xif-headbar__actions {
		order: 2;
		margin-left: auto;
	}

	.xif-search {
		order: 3;
		flex: 1 1 100%;
		max-width: none;
		min-width: 0;
	}

	.xif-search__tab {
		padding: 5px 12px;
		font-size: 11px;
	}

	.xif-search__input {
		padding: 9px 12px;
		font-size: 12px;
	}

	.xif-notice {
		flex-wrap: wrap;
		padding: 10px 12px;
		font-size: 12px;
	}

	.xif-notice__text {
		flex: 1 1 220px;
	}

	.xif-notice__link {
		margin-left: auto;
	}

	.xif-hero__inner {
		padding: 30px 18px 46px;
	}

	.xif-hero__desc {
		margin-bottom: 20px;
	}

	.xif-hero__dots {
		bottom: 14px;
	}
}

@media (max-width: 782px) {
	.xif-notice {
		display: block;
		position: relative;
		padding: 12px 38px 12px 14px;
	}

	.xif-notice > .xif-icon {
		display: none;
	}

	.xif-notice__text {
		margin: 0 0 8px;
	}

	.xif-notice__link {
		display: inline-block;
	}

	.xif-notice__close {
		position: absolute;
		top: 6px;
		right: 6px;
	}
}