/* ===== Xe Đầu Kéo - styles ===== */
.xdk-site { margin: 0; }
.xdk-main { min-height: 50vh; }
.xdk-archive,
.xdk-single,
.xdk-home,
.xdk-about {
	max-width: 1200px;
	margin: 0 auto;
	padding: 32px 20px 64px;
}
.xdk-filter__group {
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.xdk-filter__group label { font-size: .8rem; color: #6b7280; }

/* ---- Archive header / filter ---- */
.xdk-archive__title {
	font-size: clamp(1.5rem, 5vw, 2rem);
	margin: 0 0 16px;
}
.xdk-filter {
	display: flex;
	align-items: flex-end;
	gap: 12px;
	flex-wrap: wrap;
	margin-bottom: 28px;
}
.xdk-filter select {
	padding: 9px 12px;
	min-height: 44px;
	border: 1px solid #d1d5db;
	border-radius: 8px;
	background: #fff;
}
.xdk-filter button,
.xdk-card__more,
.xdk-zalo-btn,
.xdk-call-btn,
.xdk-video__link {
	cursor: pointer;
}
.xdk-filter button {
	padding: 0 20px;
	min-height: 44px;
	border: 0;
	background: #1a56db;
	color: #fff;
	border-radius: 8px;
	font-weight: 600;
}

/* ---- Lưới 3 cột ---- */
.xdk-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
@media (max-width: 900px) {
	.xdk-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
	.xdk-grid { grid-template-columns: 1fr; }
}

.xdk-card {
	border: 1px solid #e5e7eb;
	border-radius: 12px;
	overflow: hidden;
	background: #fff;
	display: flex;
	flex-direction: column;
	transition: box-shadow .2s, transform .2s;
}
@media (hover: hover) {
	.xdk-card:hover {
		box-shadow: 0 10px 30px rgba(0, 0, 0, .12);
		transform: translateY(-3px);
	}
}
.xdk-card__thumb {
	position: relative;
	display: block;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: #f3f4f6;
}
.xdk-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.xdk-card__badge {
	position: absolute;
	top: 10px;
	left: 10px;
	background: rgba(26, 86, 219, .92);
	color: #fff;
	font-size: .8rem;
	padding: 4px 10px;
	border-radius: 999px;
}
.xdk-card__noimg {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	color: #9ca3af;
}
.xdk-card__noimg--big {
	aspect-ratio: 16 / 9;
	border: 1px dashed #cbd5e1;
	border-radius: 12px;
}
.xdk-card__body {
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 8px;
	flex: 1;
}
.xdk-card__title {
	font-size: 1.1rem;
	margin: 0;
	line-height: 1.3;
}
.xdk-card__title a { text-decoration: none; color: #111827; }
.xdk-card__price {
	color: #dc2626;
	font-weight: 700;
	font-size: 1.25rem;
}
.xdk-card__specs {
	list-style: none;
	margin: 0;
	padding: 0;
	font-size: .9rem;
	color: #4b5563;
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.xdk-card__more {
	margin-top: auto;
	color: #1a56db;
	font-weight: 600;
	text-decoration: none;
}

/* ---- Single ---- */
.xdk-breadcrumb { margin-bottom: 12px; }
.xdk-breadcrumb a { color: #1a56db; text-decoration: none; }
.xdk-single__title { font-size: clamp(1.4rem, 5vw, 1.9rem); margin: 0 0 20px; line-height: 1.25; }
.xdk-single__layout {
	display: grid;
	grid-template-columns: 1.5fr 1fr;
	gap: 32px;
	align-items: start;
}
@media (max-width: 800px) {
	.xdk-single__layout { grid-template-columns: 1fr; }
}

/* ---- Slider ---- */
.xdk-slider {
	position: relative;
	border-radius: 12px;
	overflow: hidden;
	background: #000;
}
.xdk-slider__track {
	position: relative;
	aspect-ratio: 16 / 10;
}
.xdk-slider__slide {
	position: absolute;
	inset: 0;
	margin: 0;
	opacity: 0;
	transition: opacity .35s ease;
	pointer-events: none;
}
.xdk-slider__slide.is-active {
	opacity: 1;
	pointer-events: auto;
}
.xdk-slider__slide img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}
.xdk-slider__nav {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 42px;
	height: 42px;
	border: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, .85);
	font-size: 1.6rem;
	line-height: 1;
	cursor: pointer;
}
.xdk-slider__prev { left: 12px; }
.xdk-slider__next { right: 12px; }
.xdk-slider__dots {
	position: absolute;
	bottom: 12px;
	left: 0;
	right: 0;
	display: flex;
	justify-content: center;
	gap: 8px;
}
.xdk-slider__dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	border: 0;
	background: rgba(255, 255, 255, .55);
	cursor: pointer;
	padding: 0;
}
.xdk-slider__dot.is-active { background: #fff; }

/* ---- Info / specs ---- */
.xdk-single__price {
	color: #dc2626;
	font-weight: 800;
	font-size: clamp(1.4rem, 5vw, 1.8rem);
	margin-bottom: 16px;
}
.xdk-specs {
	width: 100%;
	border-collapse: collapse;
	margin-bottom: 20px;
}
.xdk-specs th,
.xdk-specs td {
	border: 1px solid #e5e7eb;
	padding: 10px 12px;
	text-align: left;
	font-size: .95rem;
}
.xdk-specs th {
	background: #f9fafb;
	width: 40%;
	color: #374151;
}
.xdk-zalo-btn,
.xdk-call-btn {
	display: block;
	text-align: center;
	padding: 14px;
	border-radius: 10px;
	font-weight: 700;
	text-decoration: none;
	margin-bottom: 10px;
}
.xdk-zalo-btn { background: #0068ff; color: #fff; }
.xdk-call-btn { background: #16a34a; color: #fff; }
.xdk-video { margin-top: 18px; }
.xdk-video__link { color: #dc2626; font-weight: 600; text-decoration: none; }
.xdk-single__desc { margin-top: 40px; }
.xdk-empty { font-size: 1.1rem; color: #6b7280; }

/* =====================================================================
 * Trang chủ (front-page)
 * ================================================================== */

/* ---- Banner ---- */
.xdk-banner {
	background: linear-gradient(135deg, #0f172a 0%, #1a56db 100%);
	color: #fff;
	border-radius: 16px;
	padding: 64px 32px;
	text-align: center;
	margin-bottom: 48px;
}
.xdk-banner__title {
	font-size: 2.6rem;
	margin: 0 0 16px;
	line-height: 1.15;
}
.xdk-banner__sub {
	font-size: 1.1rem;
	max-width: 720px;
	margin: 0 auto 28px;
	opacity: .92;
}
.xdk-banner__cta {
	display: inline-block;
	background: #f59e0b;
	color: #111827;
	font-weight: 700;
	padding: 14px 28px;
	border-radius: 10px;
	text-decoration: none;
}
@media (max-width: 600px) {
	.xdk-banner { padding: 40px 18px; }
	.xdk-banner__title { font-size: 1.8rem; }
}

/* Hero: nhóm 2 nút CTA */
.xdk-hero-actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 14px;
}
.xdk-banner__cta--ghost {
	background: transparent;
	color: #fff;
	border: 2px solid rgba(255, 255, 255, .7);
	padding: 12px 26px;
}
@media (hover: hover) {
	.xdk-banner__cta--ghost:hover { background: rgba(255, 255, 255, .12); }
}

/* Intro / đoạn mô tả dưới tiêu đề section */
.xdk-intro__text {
	max-width: 860px;
	color: #4b5563;
	font-size: 1.02rem;
	line-height: 1.7;
	margin: 0 0 20px;
}

/* Dịch vụ: 4 cột đặc trưng */
.xdk-features {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
}
@media (max-width: 900px) { .xdk-features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .xdk-features { grid-template-columns: 1fr; } }
.xdk-feature {
	background: #fff;
	border: 1px solid #e5e7eb;
	border-radius: 12px;
	padding: 22px 18px;
	border-top: 3px solid #1a56db;
	transition: box-shadow .2s, transform .2s;
}
@media (hover: hover) {
	.xdk-feature:hover { box-shadow: 0 8px 24px rgba(0, 0, 0, .1); transform: translateY(-3px); }
}
.xdk-feature__title { font-size: 1.12rem; margin: 0 0 8px; color: #111827; }
.xdk-feature__text { margin: 0; color: #4b5563; font-size: .92rem; line-height: 1.6; }

/* Dải CTA liên hệ */
.xdk-cta-band {
	background: #f8fafc;
	border: 1px solid #e5e7eb;
	border-radius: 16px;
	padding: 40px 28px;
	text-align: center;
}
.xdk-cta-band__title {
	font-size: clamp(1.4rem, 4vw, 1.8rem);
	margin: 0 0 12px;
	color: #0f172a;
}
.xdk-cta-band__text {
	max-width: 720px;
	margin: 0 auto 24px;
	color: #4b5563;
	line-height: 1.7;
}
.xdk-cta-band__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 14px;
}
.xdk-cta-band__actions .xdk-call-btn,
.xdk-cta-band__actions .xdk-zalo-btn {
	margin-bottom: 0;
	padding: 14px 28px;
}

/* ---- Section chung ---- */
.xdk-section { margin-bottom: 48px; }
.xdk-section__title {
	font-size: 1.6rem;
	margin: 0 0 20px;
	padding-bottom: 8px;
	border-bottom: 3px solid #1a56db;
	display: inline-block;
}
.xdk-section__more { margin-top: 18px; }
.xdk-section__more a { color: #1a56db; font-weight: 600; text-decoration: none; }

/* ---- Hãng xe phổ biến ---- */
.xdk-brands {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}
@media (max-width: 700px) {
	.xdk-brands { grid-template-columns: repeat(2, 1fr); }
}
.xdk-brand {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	padding: 24px 12px;
	border: 1px solid #e5e7eb;
	border-radius: 12px;
	text-decoration: none;
	background: #fff;
	transition: box-shadow .2s, transform .2s;
}
@media (hover: hover) {
	.xdk-brand:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); transform: translateY(-3px); }
}
.xdk-brand__name { font-weight: 700; font-size: 1.1rem; color: #111827; }
.xdk-brand__count { font-size: .85rem; color: #6b7280; }

/* ---- Form liên hệ ---- */
.xdk-contact-form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	max-width: 720px;
}
.xdk-field { display: flex; flex-direction: column; gap: 6px; }
.xdk-field--full { grid-column: 1 / -1; }
.xdk-field label { font-weight: 600; font-size: .9rem; }
.xdk-field input,
.xdk-field textarea {
	padding: 10px 12px;
	border: 1px solid #d1d5db;
	border-radius: 8px;
	font: inherit;
}
.xdk-contact-form__submit {
	background: #1a56db;
	color: #fff;
	border: 0;
	padding: 13px 28px;
	border-radius: 10px;
	font-weight: 700;
	cursor: pointer;
}
@media (max-width: 600px) {
	.xdk-contact-form { grid-template-columns: 1fr; }
}
.xdk-notice {
	padding: 12px 16px;
	border-radius: 8px;
	margin-bottom: 18px;
	max-width: 720px;
}
.xdk-notice--ok { background: #dcfce7; color: #166534; }
.xdk-notice--err { background: #fee2e2; color: #991b1b; }

/* Honeypot chống bot (ẩn khỏi người dùng, vẫn trong DOM cho bot điền) */
.xdk-hp {
	position: absolute;
	left: -9999px;
	top: auto;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* Thông báo gửi form qua JS (REST) */
.xdk-contact__status {
	max-width: 720px;
	margin-bottom: 14px;
}
.xdk-contact__status.is-ok,
.xdk-contact__status.is-err {
	padding: 12px 16px;
	border-radius: 8px;
}
.xdk-contact__status.is-ok { background: #dcfce7; color: #166534; }
.xdk-contact__status.is-err { background: #fee2e2; color: #991b1b; }

/* =====================================================================
 * Tối ưu mobile (archive + single)
 * ================================================================== */

/* Tablet: thu hẹp khoảng cách cột chi tiết. */
@media (max-width: 1024px) {
	.xdk-single__layout { gap: 24px; }
}

/* Mobile chung: giảm padding viền, tăng vùng chạm. */
@media (max-width: 600px) {
	.xdk-archive,
	.xdk-single,
	.xdk-home {
		padding: 20px 14px 48px;
	}

	/* --- Archive: bộ lọc xếp dọc, full-width, dễ chạm --- */
	.xdk-filter {
		flex-direction: column;
		align-items: stretch;
		gap: 10px;
	}
	.xdk-filter__group,
	.xdk-filter select,
	.xdk-filter button {
		width: 100%;
	}

	/* --- Archive: card gọn hơn --- */
	.xdk-card__body { padding: 14px; gap: 6px; }
	.xdk-card__thumb { aspect-ratio: 16 / 10; }

	/* --- Single: slider thấp hơn, nút điều hướng nhỏ gọn --- */
	.xdk-single__title { margin-bottom: 14px; }
	.xdk-slider__track { aspect-ratio: 4 / 3; }
	.xdk-slider__nav {
		width: 38px;
		height: 38px;
		font-size: 1.3rem;
	}
	.xdk-slider__prev { left: 8px; }
	.xdk-slider__next { right: 8px; }

	/* --- Single: bảng thông số gọn, vẫn dễ đọc --- */
	.xdk-specs th,
	.xdk-specs td {
		padding: 9px 10px;
		font-size: .9rem;
	}
	.xdk-specs th { width: 42%; }

	/* --- Single: nút liên hệ to, đủ vùng chạm --- */
	.xdk-zalo-btn,
	.xdk-call-btn {
		padding: 15px;
		font-size: 1.05rem;
	}

	.xdk-single__desc { margin-top: 28px; }
}

/* Màn rất nhỏ: ẩn nút mũi tên, chỉ dùng vuốt/chấm để gọn gàng. */
@media (max-width: 380px) {
	.xdk-slider__nav { display: none; }
}

/* =====================================================================
 * Trạng thái ĐÃ BÁN (badge + ảnh mờ)
 * ================================================================== */
.xdk-card__thumb.is-sold img,
.xdk-slider.is-sold .xdk-slider__slide img {
	opacity: .6;
}
.xdk-sold-badge {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) rotate(-12deg);
	background: #dc2626;
	color: #fff;
	font-weight: 800;
	letter-spacing: 1px;
	padding: 8px 22px;
	border-radius: 6px;
	border: 2px solid #fff;
	box-shadow: 0 4px 14px rgba(0, 0, 0, .3);
	z-index: 3;
	font-size: 1.1rem;
}
.xdk-sold-badge--single {
	top: 18px;
	left: auto;
	right: 18px;
	transform: rotate(-8deg);
}
/* Badge góc trên-trái cho card danh sách */
.xdk-sold-badge--corner {
	top: 10px;
	left: 10px;
	transform: none;
	font-size: .8rem;
	padding: 4px 12px;
	border-width: 0;
	letter-spacing: .5px;
}

/* Bộ lọc dạng button */
.xdk-filter-bar { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.xdk-filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.xdk-filter-label { font-weight: 600; color: #374151; min-width: 84px; }
.xdk-fbtn {
	display: inline-block;
	padding: 7px 16px;
	border: 1px solid #d1d5db;
	border-radius: 999px;
	text-decoration: none;
	color: #374151;
	background: #fff;
	font-size: .9rem;
}
.xdk-fbtn:hover { border-color: #1a56db; color: #1a56db; }
.xdk-fbtn.is-active { background: #1a56db; border-color: #1a56db; color: #fff; }

/* Hộp thông báo xe đã bán (single) */
.xdk-sold-notice {
	background: #fee2e2;
	color: #991b1b;
	border: 1px solid #fecaca;
	border-radius: 10px;
	padding: 14px 16px;
	font-weight: 600;
}
.xdk-status-flag {
	display: inline-block;
	font-weight: 700;
	font-size: .9rem;
	padding: 4px 12px;
	border-radius: 999px;
	margin-bottom: 12px;
}
.xdk-status-flag--available { background: #dcfce7; color: #166534; }
.xdk-status-flag--sold { background: #fee2e2; color: #991b1b; }

/* Bảng giá tham khảo trong nội dung SEO dịch vụ */
.xdk-price-table {
	width: 100%;
	border-collapse: collapse;
	margin: 12px 0 20px;
}
.xdk-price-table th,
.xdk-price-table td {
	border: 1px solid #e5e7eb;
	padding: 10px 12px;
	text-align: left;
}
.xdk-price-table th { background: #f9fafb; }
.xdk-seo h2 { margin-top: 24px; }

/* =====================================================================
 * Header + Menu chính
 * ================================================================== */
.xdk-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: #0f172a;
	color: #fff;
	box-shadow: 0 2px 12px rgba(0, 0, 0, .15);
}
.xdk-header__inner {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 64px;
	gap: 16px;
}
.xdk-logo {
	display: flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
	color: #fff;
	font-weight: 800;
}
.xdk-logo__mark {
	background: #f59e0b;
	color: #0f172a;
	border-radius: 8px;
	padding: 4px 8px;
	font-size: .9rem;
}
.xdk-logo__text { font-size: 1.1rem; }

.xdk-menu {
	list-style: none;
	display: flex;
	gap: 4px;
	margin: 0;
	padding: 0;
	align-items: center;
}
.xdk-menu > li { position: relative; }
.xdk-menu a {
	display: block;
	color: #e5e7eb;
	text-decoration: none;
	padding: 12px 14px;
	font-weight: 600;
	border-radius: 6px;
}
.xdk-menu a:hover { color: #f59e0b; }
.xdk-caret { font-size: .7rem; }

.xdk-submenu {
	list-style: none;
	margin: 0;
	padding: 6px 0;
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 200px;
	background: #1e293b;
	border-radius: 8px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: all .18s ease;
}
.xdk-menu__has-children:hover .xdk-submenu,
.xdk-menu__has-children.is-open .xdk-submenu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}
.xdk-submenu a { padding: 10px 16px; }

.xdk-nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	background: transparent;
	border: 0;
	cursor: pointer;
}
.xdk-nav-toggle span {
	display: block;
	width: 24px;
	height: 2px;
	background: #fff;
	margin: 0 auto;
}

@media (max-width: 860px) {
	.xdk-nav-toggle { display: flex; }
	.xdk-nav {
		position: absolute;
		top: 64px;
		left: 0;
		right: 0;
		background: #0f172a;
		max-height: 0;
		overflow: hidden;
		transition: max-height .25s ease;
	}
	.xdk-nav.is-open { max-height: 80vh; }
	.xdk-menu {
		flex-direction: column;
		align-items: stretch;
		padding: 8px 12px 16px;
		gap: 0;
	}
	.xdk-submenu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		max-height: 0;
		overflow: hidden;
		padding: 0;
		transition: max-height .2s ease;
	}
	.xdk-menu__has-children.is-open .xdk-submenu {
		max-height: 300px;
		padding: 4px 0 4px 12px;
	}
}

/* =====================================================================
 * Footer 4 cột (nền tối)
 * ================================================================== */
.xdk-footer {
	background: #0f172a;
	color: #cbd5e1;
	margin-top: 48px;
}
.xdk-footer__inner {
	max-width: 1200px;
	margin: 0 auto;
	padding: 48px 20px 24px;
	display: grid;
	grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
	gap: 32px;
}
.xdk-footer__title {
	color: #fff;
	font-size: 1.1rem;
	margin: 0 0 14px;
}
.xdk-footer__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
	font-size: .92rem;
}
.xdk-footer a {
	color: #cbd5e1;
	text-decoration: none;
}
.xdk-footer a:hover { color: #f59e0b; }
.xdk-footer__brand { font-size: .92rem; }
.xdk-footer__bottom {
	border-top: 1px solid rgba(255, 255, 255, .1);
	text-align: center;
	padding: 16px;
	font-size: .85rem;
	color: #94a3b8;
}
@media (max-width: 800px) {
	.xdk-footer__inner { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 480px) {
	.xdk-footer__inner { grid-template-columns: 1fr; }
}

/* =====================================================================
 * Dịch vụ
 * ================================================================== */
.xdk-services {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
@media (max-width: 800px) { .xdk-services { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .xdk-services { grid-template-columns: 1fr; } }
.xdk-service-card {
	border: 1px solid #e5e7eb;
	border-radius: 12px;
	overflow: hidden;
	background: #fff;
	padding-bottom: 14px;
}
.xdk-service-card a { text-decoration: none; color: #111827; }
.xdk-service-card__img {
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: cover;
	display: block;
}
.xdk-service-card__title { font-size: 1.15rem; margin: 14px 16px 8px; }
.xdk-service-card__excerpt { margin: 0 16px 10px; color: #4b5563; font-size: .92rem; }
.xdk-service-card .xdk-card__more { margin: 0 16px; }

/* =====================================================================
 * Single bài viết (dịch vụ / tin / legal)
 * ================================================================== */
.xdk-single--post,
.xdk-single--legal {
	max-width: 820px;
	margin: 0 auto;
	padding: 32px 20px 64px;
}
.xdk-single__cover {
	width: 100%;
	border-radius: 12px;
	margin: 12px 0 20px;
}
.xdk-meta-tags { color: #6b7280; font-size: .9rem; margin: 0 0 12px; }
.xdk-cta-row { margin-top: 24px; }

/* =====================================================================
 * Trang "Về chúng tôi"
 * ================================================================== */
.xdk-about__banner {
	background: linear-gradient(135deg, #0f172a 0%, #1a56db 100%);
	color: #fff;
	border-radius: 16px;
	padding: 56px 28px;
	text-align: center;
	margin-bottom: 40px;
}
.xdk-about__banner h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 0 0 12px; }
.xdk-about__row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 32px;
	align-items: center;
	margin-bottom: 40px;
}
.xdk-about__img { width: 100%; border-radius: 12px; }
.xdk-about__block { margin-bottom: 40px; }
.xdk-about__block h2,
.xdk-about__row h2 { font-size: 1.5rem; margin: 0 0 14px; }
.xdk-about__mv .xdk-about__card {
	background: #f8fafc;
	border: 1px solid #e5e7eb;
	border-radius: 12px;
	padding: 24px;
}
.xdk-values {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}
.xdk-value {
	display: flex;
	flex-direction: column;
	gap: 6px;
	background: #fff;
	border: 1px solid #e5e7eb;
	border-radius: 12px;
	padding: 18px;
}
.xdk-value strong { color: #1a56db; font-size: 1.1rem; }
.xdk-value span { color: #4b5563; font-size: .9rem; }
.xdk-fields {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}
.xdk-field-box {
	background: #1a56db;
	color: #fff;
	border-radius: 12px;
	padding: 22px 16px;
	text-align: center;
	font-weight: 600;
}
.xdk-contact-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.xdk-about__map iframe { border-radius: 12px; }
@media (max-width: 760px) {
	.xdk-about__row { grid-template-columns: 1fr; }
	.xdk-values,
	.xdk-fields { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 460px) {
	.xdk-values,
	.xdk-fields { grid-template-columns: 1fr; }
}

/* =====================================================================
 * Nút liên hệ Zalo / Gọi nổi (floating)
 * ================================================================== */
.xdk-float {
	position: fixed;
	right: 16px;
	bottom: 16px;
	z-index: 9999;
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.xdk-float__btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 16px 10px 12px;
	border-radius: 999px;
	color: #fff;
	font-weight: 700;
	font-size: .95rem;
	text-decoration: none;
	box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
	line-height: 1;
	white-space: nowrap;
}
.xdk-float__zalo { background: #0068ff; }
.xdk-float__call { background: #16a34a; }
.xdk-float__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 28px;
	height: 28px;
	padding: 0 6px;
	border-radius: 999px;
	background: rgba(255, 255, 255, .22);
	font-size: .8rem;
	font-weight: 800;
}
/* Vòng nhấp nháy thu hút trên nút Zalo. */
.xdk-float__zalo {
	position: relative;
}
.xdk-float__zalo::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 999px;
	box-shadow: 0 0 0 0 rgba(0, 104, 255, .55);
	animation: xdk-pulse 2s infinite;
}
@keyframes xdk-pulse {
	0%   { box-shadow: 0 0 0 0 rgba(0, 104, 255, .5); }
	70%  { box-shadow: 0 0 0 14px rgba(0, 104, 255, 0); }
	100% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0); }
}
@media (prefers-reduced-motion: reduce) {
	.xdk-float__zalo::before { animation: none; }
}

/* Mobile: nút gọn về dạng tròn (chỉ icon) để không che nội dung. */
@media (max-width: 600px) {
	.xdk-float {
		right: 12px;
		bottom: 12px;
		gap: 12px;
	}
	.xdk-float__btn { padding: 0; }
	.xdk-float__label {
		position: absolute;
		width: 1px;
		height: 1px;
		overflow: hidden;
		clip: rect(0 0 0 0);
		white-space: nowrap;
	}
	.xdk-float__icon {
		width: 52px;
		height: 52px;
		min-width: 52px;
		border-radius: 50%;
		background: transparent;
		font-size: 1rem;
	}
}