/* =========================================================
   SOLO MEDIA — trang bài viết (single post)
   Chỉ enqueue trên is_singular('post') — xem solo_media_article_assets().
   Prefix .art-* để không đụng các hệ class đang có (solo-*, seo-*, ads-*, smx-*).
   ========================================================= */

.solo-article,
.art-progress,
.art-comments {
	--art-max: 1180px;
	--art-gold: var(--wp--preset--color--gold, #fdb813);
	--art-bg: var(--wp--preset--color--ink-900, #0f0f0f);
	--art-surface: #141414;
	--art-surface-2: #1b1b1b;
	--art-line: rgba(255, 255, 255, .09);
	--art-line-strong: rgba(255, 255, 255, .16);
	--art-text: #f5f5f5;
	--art-muted: #b6b6b6;
	--art-muted-2: #8a8a8a;
	--art-radius: 16px;
	--art-radius-lg: 22px;
	--art-header-h: 72px;
}

.art-container {
	width: min(var(--art-max), 100% - 40px);
	margin-inline: auto;
}

/* Cuộn mượt khi click mục lục. Chỉ ảnh hưởng trang bài viết vì file này chỉ
   enqueue trên single post; khoảng trừ header dính nằm ở scroll-margin-top
   của heading (.art-prose h2/h3). */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
}

/* ---------- Thanh tiến độ đọc ---------- */
/* Bám đúng mép dưới của header dính. --art-progress-top được JS cập nhật theo
   chiều cao thực tế của header; giá trị mặc định chỉ dùng khi chưa có JS.
   KHÔNG tô nền cho cả dải: nền chạy hết chiều ngang trông như một đường kẻ cắt
   ngang nội dung khi bài cuộn qua — chỉ hiện phần đã đọc màu gold. */
.art-progress {
	position: fixed;
	top: var(--art-progress-top, var(--art-header-h));
	left: 0;
	right: 0;
	height: 3px;
	background: transparent;
	z-index: 880;
	pointer-events: none;
}
.art-progress__bar {
	display: block;
	width: 0;
	height: 100%;
	background: var(--art-gold);
	transition: width .1s linear;
}
@media (prefers-reduced-motion: reduce) {
	.art-progress__bar { transition: none; }
}

/* ---------- HERO ---------- */
.art-hero {
	padding: 3.5rem 0 2rem;
	border-bottom: 1px solid var(--art-line);
}
.art-crumb {
	display: flex;
	flex-wrap: wrap;
	gap: .45rem;
	align-items: center;
	color: var(--art-muted-2);
	font-size: .82rem;
	margin-bottom: 1.5rem;
}
.art-crumb a { color: var(--art-muted-2); text-decoration: none; }
.art-crumb a:hover { color: var(--art-gold); }
.art-crumb .art-crumb__current { color: var(--art-text); }

.art-hero__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
	gap: 3rem;
	align-items: center;
}
.art-hero__grid--noimg { grid-template-columns: minmax(0, 1fr); }

.art-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: .6rem;
	color: var(--art-gold);
	font-weight: 800;
	font-size: .72rem;
	letter-spacing: .11em;
	text-transform: uppercase;
	text-decoration: none;
	margin-bottom: 1rem;
}
.art-eyebrow::before {
	content: "";
	width: 24px;
	height: 2px;
	background: var(--art-gold);
}
.art-eyebrow:hover { color: #fff; }

.art-title {
	font-size: clamp(2.1rem, 4.4vw, 3.5rem);
	line-height: 1.08;
	letter-spacing: -.035em;
	font-weight: 800;
	margin: 0 0 1.1rem;
	overflow-wrap: break-word;
}
.art-dek {
	font-size: 1.15rem;
	line-height: 1.55;
	color: #c7c7c7;
	max-width: 42em;
	margin: 0 0 1.5rem;
}
.art-meta {
	display: flex;
	align-items: center;
	gap: .8rem;
	flex-wrap: wrap;
	color: var(--art-muted-2);
	font-size: .85rem;
}
.art-avatar {
	width: 34px;
	height: 34px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	background: #262626;
	color: var(--art-gold);
	font-weight: 800;
	font-size: .9rem;
	flex: none;
}
.art-meta__author { color: #d8d8d8; }
.art-dot {
	width: 3px;
	height: 3px;
	border-radius: 50%;
	background: #5a5a5a;
	flex: none;
}

.art-hero__visual {
	position: relative;
	margin: 0;
	border-radius: var(--art-radius-lg);
	overflow: hidden;
	border: 1px solid var(--art-line-strong);
	background: var(--art-surface);
	aspect-ratio: 16 / 10;
}
.art-hero__img,
.art-hero__visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.art-hero__label {
	position: absolute;
	left: 1rem;
	bottom: 1rem;
	background: rgba(8, 8, 8, .8);
	backdrop-filter: blur(6px);
	padding: .45rem .8rem;
	border-radius: 999px;
	color: #fff;
	font-size: .72rem;
	font-weight: 700;
}

/* ---------- BỐ CỤC NỘI DUNG ---------- */
.art-main { background: var(--art-bg); }
.art-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 3.8rem;
	align-items: start;
	padding: 3.2rem 0 5rem;
}
.art-layout--single {
	grid-template-columns: minmax(0, 790px);
	justify-content: center;
}
.art-body { min-width: 0; }

/* ---------- NỘI DUNG BÀI ---------- */
.art-prose { font-size: 1.0625rem; line-height: 1.78; color: #d2d2d2; }
.art-prose > *:first-child { margin-top: 0; }
.art-prose p { margin: 0 0 1.4rem; }
.art-prose p.art-lead { font-size: 1.2rem; line-height: 1.65; color: #ececec; }
.art-prose h2 {
	font-size: clamp(1.6rem, 2.6vw, 2.05rem);
	line-height: 1.22;
	letter-spacing: -.02em;
	color: #fff;
	margin: 3rem 0 1rem;
	scroll-margin-top: calc(var(--art-header-h) + 24px);
}
.art-prose h3 {
	font-size: clamp(1.2rem, 2vw, 1.45rem);
	line-height: 1.3;
	color: #fff;
	margin: 2.2rem 0 .8rem;
	scroll-margin-top: calc(var(--art-header-h) + 24px);
}
.art-prose h4 { font-size: 1.1rem; color: #fff; margin: 1.8rem 0 .6rem; }
.art-prose ul,
.art-prose ol { padding-left: 1.25rem; margin: 0 0 1.4rem; color: #d2d2d2; }
.art-prose li { margin: .5rem 0; }
.art-prose li::marker { color: var(--art-gold); }
.art-prose a { color: var(--art-gold); text-decoration: underline; text-underline-offset: 3px; }
.art-prose a:hover { color: #fff; }
/* Khối do template chèn vào giữa nội dung: KHÔNG ăn màu/gạch chân của link văn bản.
   Bắt buộc phải chỉ định lại màu chữ — ".art-prose a" có độ ưu tiên cao hơn
   ".art-btn" nên nếu bỏ qua thì nút vàng sẽ có chữ vàng và mất hẳn chữ. */
.art-prose .art-btn,
.art-prose .art-toc__link,
.art-prose .art-textlink,
.art-prose .solo-blog-cta__btn { text-decoration: none; }
.art-prose .art-btn,
.art-prose .solo-blog-cta__btn { color: #121212; }
.art-prose .art-btn:hover,
.art-prose .solo-blog-cta__btn:hover { color: #121212; }
.art-prose .art-btn--outline,
.art-prose .art-btn--outline:hover { color: var(--art-gold); }
.art-prose .art-toc__link { color: var(--art-muted); }
.art-prose .art-toc__link:hover,
.art-prose .art-toc__link.is-active { color: #fff; }
.art-prose strong, .art-prose b { color: #fff; }
.art-prose img {
	max-width: 100%;
	height: auto;
	border-radius: 12px;
	display: block;
}
.art-prose figure { margin: 2rem 0; }
.art-prose figcaption {
	color: var(--art-muted-2);
	font-size: .8rem;
	margin-top: .6rem;
	text-align: center;
}
.art-prose blockquote {
	border-left: 3px solid var(--art-gold);
	padding: .3rem 0 .3rem 1.3rem;
	margin: 2.2rem 0;
	color: #efefef;
	font-size: 1.2rem;
	font-weight: 600;
	line-height: 1.5;
}
.art-prose blockquote p:last-child { margin-bottom: 0; }
.art-prose table {
	width: 100%;
	border-collapse: collapse;
	font-size: .95rem;
	margin: 0 0 1.5rem;
}
.art-prose th,
.art-prose td {
	border: 1px solid var(--art-line);
	padding: .7rem .85rem;
	text-align: left;
	vertical-align: top;
}
.art-prose th { background: var(--art-surface); color: #fff; }
/* Bảng rộng cuộn trong khung riêng, trang không sinh scroll ngang */
.art-prose > table { display: block; overflow-x: auto; }
.art-prose iframe,
.art-prose video { max-width: 100%; }

/* ---------- KHỐI Ý CHÍNH ---------- */
.art-keybox {
	padding: 1.5rem 1.6rem;
	background: linear-gradient(145deg, #191919, #121212);
	border: 1px solid rgba(253, 184, 19, .28);
	border-left: 4px solid var(--art-gold);
	border-radius: var(--art-radius);
	margin: 2rem 0;
}
.art-keybox__title {
	font-size: .95rem;
	font-weight: 800;
	letter-spacing: .04em;
	text-transform: uppercase;
	color: var(--art-gold);
	margin: 0 0 .7rem;
}
.art-keybox ul { margin: 0; padding-left: 1.15rem; font-size: .97rem; color: #dcdcdc; }
.art-keybox li { margin: .45rem 0; }

/* ---------- CTA GIỮA BÀI ---------- */
.art-cta {
	margin: 2.6rem 0;
	padding: 1.75rem;
	border-radius: var(--art-radius-lg);
	border: 1px solid rgba(253, 184, 19, .32);
	background: linear-gradient(120deg, rgba(253, 184, 19, .13), rgba(253, 184, 19, .03)), var(--art-surface);
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 1.4rem;
	align-items: center;
}
.art-cta__title { margin: 0 0 .4rem; font-size: 1.3rem; font-weight: 700; color: #fff; line-height: 1.3; }
.art-cta__desc { margin: 0; font-size: .95rem; color: #bdbdbd; }

.art-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .5rem;
	padding: .8rem 1.35rem;
	border-radius: 10px;
	background: var(--art-gold);
	color: #121212;
	font-size: .92rem;
	font-weight: 800;
	text-decoration: none;
	border: 1px solid var(--art-gold);
	white-space: nowrap;
	transition: background .18s ease, color .18s ease, transform .18s ease;
}
.art-btn:hover { background: #ffcb3a; color: #121212; transform: translateY(-1px); }
.art-btn--outline { background: transparent; color: var(--art-gold); }
.art-btn--outline:hover { background: rgba(253, 184, 19, .12); color: var(--art-gold); }
.art-btn--sm { padding: .6rem 1rem; font-size: .85rem; }
.art-btn:focus-visible,
.art-textlink:focus-visible,
.art-toc__link:focus-visible,
.art-card:focus-visible,
.art-chip:focus-visible {
	outline: 2px solid var(--art-gold);
	outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
	.art-btn { transition: none; }
	.art-btn:hover { transform: none; }
}

/* ---------- HỘP TÁC GIẢ ---------- */
.art-author {
	display: flex;
	gap: 1.1rem;
	align-items: flex-start;
	padding: 1.4rem;
	background: var(--art-surface);
	border: 1px solid var(--art-line);
	border-radius: var(--art-radius);
	margin-top: 3rem;
}
.art-author__avatar {
	width: 52px;
	height: 52px;
	border-radius: 50%;
	background: #252525;
	color: var(--art-gold);
	display: grid;
	place-items: center;
	font-weight: 800;
	font-size: 1.15rem;
	flex: 0 0 auto;
}
.art-author__name { margin: 0 0 .3rem; font-weight: 700; color: #fff; }
.art-author__bio { margin: 0; font-size: .9rem; color: var(--art-muted); line-height: 1.6; }

/* ---------- MỤC LỤC MOBILE ---------- */
.art-toc-m {
	display: none;
	margin: 0 0 2rem;
	border: 1px solid var(--art-line-strong);
	border-radius: 14px;
	overflow: hidden;
	background: var(--art-surface);
}
.art-toc-m summary {
	list-style: none;
	padding: .95rem 1.1rem;
	cursor: pointer;
	font-weight: 700;
	color: #fff;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	min-height: 44px;
}
.art-toc-m summary::-webkit-details-marker { display: none; }
.art-toc-m summary i { transition: transform .2s ease; color: var(--art-gold); }
.art-toc-m[open] summary i { transform: rotate(180deg); }
.art-toc-m nav {
	padding: 0 1.1rem 1.1rem;
	display: flex;
	flex-direction: column;
	gap: .1rem;
}

/* ---------- SIDEBAR ---------- */
.art-side {
	position: sticky;
	top: calc(var(--art-header-h) + 28px);
	display: flex;
	flex-direction: column;
	gap: 1.1rem;
	max-height: calc(100vh - var(--art-header-h) - 48px);
	overflow-y: auto;
	scrollbar-width: thin;
}
.art-side__card {
	background: var(--art-surface);
	border: 1px solid var(--art-line);
	border-radius: var(--art-radius);
	padding: 1.2rem;
}
.art-side__heading { font-size: .95rem; margin: 0 0 .9rem; color: #fff; font-weight: 700; }
.art-toc { display: flex; flex-direction: column; gap: .15rem; }
.art-toc__link {
	display: block;
	padding: .4rem 0 .4rem .8rem;
	border-left: 2px solid rgba(255, 255, 255, .13);
	color: var(--art-muted);
	font-size: .84rem;
	line-height: 1.45;
	text-decoration: none;
}
.art-toc__link--l3 { padding-left: 1.5rem; font-size: .8rem; }
.art-toc__link:hover { color: #fff; }
.art-toc__link.is-active { border-left-color: var(--art-gold); color: #fff; }

.art-side__service { background: linear-gradient(150deg, rgba(253, 184, 19, .12), var(--art-surface) 58%); }
.art-side__icon {
	width: 40px;
	height: 40px;
	border-radius: 11px;
	background: var(--art-gold);
	color: #121212;
	display: grid;
	place-items: center;
	font-size: 1.15rem;
	margin-bottom: .9rem;
}
.art-side__title { font-size: 1.1rem; margin: 0 0 .45rem; color: #fff; line-height: 1.3; }
.art-side__desc { font-size: .85rem; color: var(--art-muted); margin: 0 0 .9rem; line-height: 1.55; }
.art-textlink {
	color: var(--art-gold);
	font-weight: 800;
	font-size: .85rem;
	text-decoration: none;
	display: inline-flex;
	gap: .35rem;
	align-items: center;
}
.art-textlink:hover { color: #fff; }

/* ---------- HÀNH TRÌNH TIẾP THEO ---------- */
.art-journey { background: var(--art-bg); }
.art-sec { padding: 4.5rem 0; border-top: 1px solid var(--art-line); }
.art-sec--related { background: #0c0c0c; }
.art-kicker {
	color: var(--art-gold);
	font-size: .72rem;
	letter-spacing: .12em;
	text-transform: uppercase;
	font-weight: 800;
	margin: 0 0 .4rem;
}
.art-sectitle {
	font-size: clamp(1.7rem, 3vw, 2.35rem);
	line-height: 1.15;
	letter-spacing: -.025em;
	margin: 0;
	color: #fff;
}
.art-sechead {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 1.5rem;
	margin-bottom: 1.8rem;
	flex-wrap: wrap;
}
.art-sechead__note { margin: 0; color: var(--art-muted-2); max-width: 34em; font-size: .92rem; }

/* Card bài liên quan */
.art-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.1rem; }
/* Ít hơn 3 bài liên quan: co lưới lại để không để khoảng trống lửng */
.art-cards--1 { grid-template-columns: minmax(0, 420px); }
.art-cards--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.art-card {
	display: flex;
	flex-direction: column;
	background: var(--art-surface);
	border: 1px solid var(--art-line);
	border-radius: 18px;
	overflow: hidden;
	text-decoration: none;
	color: inherit;
	transition: transform .18s ease, border-color .18s ease;
}
.art-card:hover { transform: translateY(-4px); border-color: rgba(253, 184, 19, .45); }
.art-card__thumb {
	display: block;
	aspect-ratio: 16 / 9;
	background: var(--art-surface-2);
	overflow: hidden;
}
.art-card__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art-card__thumb-fallback {
	display: block;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #241132, #5c2278 60%, #b47e00);
}
.art-card__body { display: flex; flex-direction: column; gap: .5rem; padding: 1.1rem; }
.art-card__cat {
	color: var(--art-gold);
	font-size: .68rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: .07em;
}
.art-card__title { font-size: 1.05rem; line-height: 1.35; font-weight: 700; color: #fff; }
.art-card__meta { font-size: .78rem; color: var(--art-muted-2); margin-top: auto; }
@media (prefers-reduced-motion: reduce) {
	.art-card { transition: none; }
	.art-card:hover { transform: none; }
}

/* Case study */
.art-proof {
	display: grid;
	grid-template-columns: 1fr 1fr;
	border: 1px solid rgba(253, 184, 19, .25);
	border-radius: var(--art-radius-lg);
	overflow: hidden;
	background: var(--art-surface);
}
.art-proof--noimg { grid-template-columns: 1fr; }
.art-proof__visual {
	position: relative;
	min-height: 320px;
	background: linear-gradient(135deg, #33104a, #8b1979 57%, #b47e00);
}
.art-proof__img { width: 100%; height: 100%; object-fit: cover; display: block; position: absolute; inset: 0; }
.art-proof__client {
	position: absolute;
	left: 1.4rem;
	bottom: 1.2rem;
	font-weight: 900;
	font-size: 1.5rem;
	color: #fff;
	text-shadow: 0 2px 16px rgba(0, 0, 0, .6);
}
.art-proof__body { padding: 2.6rem; }
.art-proof__metric {
	font-size: clamp(2.4rem, 5vw, 3.4rem);
	line-height: 1;
	color: var(--art-gold);
	font-weight: 900;
	margin: .8rem 0 .2rem;
}
.art-proof__metric-label { margin: 0 0 .8rem; color: var(--art-muted); font-size: .9rem; }
.art-proof__title { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin: .6rem 0 .6rem; color: #fff; }
.art-proof__desc { color: var(--art-muted); margin: 0 0 1.2rem; }
.art-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.3rem; }
.art-chip {
	padding: .4rem .75rem;
	border-radius: 999px;
	background: #262626;
	color: #d8d8d8;
	font-size: .76rem;
	font-weight: 700;
	text-decoration: none;
}
.art-chip:hover { background: #333; color: #fff; }

/* Dịch vụ */
.art-servicepanel {
	display: grid;
	grid-template-columns: 1.2fr auto;
	gap: 1.6rem;
	align-items: center;
	background: linear-gradient(135deg, rgba(253, 184, 19, .12), var(--art-surface) 66%);
	border: 1px solid rgba(253, 184, 19, .3);
	border-radius: var(--art-radius-lg);
	padding: 2.2rem;
}
.art-servicepanel__title { font-size: clamp(1.45rem, 2.6vw, 2rem); margin: 0 0 .6rem; color: #fff; }
.art-servicepanel__desc { color: var(--art-muted); margin: 0; max-width: 46em; }
.art-servicepanel__actions { display: flex; gap: .7rem; justify-content: flex-end; flex-wrap: wrap; }

/* ---------- CTA DÍNH MOBILE ---------- */
.art-mcta { display: none; }

/* ---------- BÌNH LUẬN ---------- */
.art-comments { background: var(--art-bg); padding: 2rem 0 4rem; border-top: 1px solid var(--art-line); }
.art-comments .art-container { max-width: var(--art-max); }
.art-comments__heading {
	font-size: 1.15rem;
	margin: 0;
	color: #ddd;
	border: 1px solid var(--art-line-strong);
	border-radius: 14px;
	padding: 1rem 1.1rem;
	background: var(--art-surface);
}
/* Khi JS bọc nút vào trong h2, chính nút mang giao diện khung */
.art-comments__heading--collapsible { padding: 0; border: 0; background: transparent; border-radius: 0; }
.art-comments__toggle {
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	background: var(--art-surface);
	border: 1px solid var(--art-line-strong);
	border-radius: 14px;
	padding: 1rem 1.1rem;
	color: #ddd;
	font-size: 1.05rem;
	font-weight: 700;
	cursor: pointer;
	text-align: left;
	min-height: 44px;
	font-family: inherit;
}
.art-comments__toggle:hover { border-color: rgba(253, 184, 19, .4); }
.art-comments__toggle-icon { color: var(--art-gold); font-size: .85rem; font-weight: 800; }
.art-comments__panel { margin-top: 1.2rem; }
.art-comments__panel input[type="text"],
.art-comments__panel input[type="email"],
.art-comments__panel input[type="url"],
.art-comments__panel textarea {
	width: 100%;
	background: var(--art-surface);
	border: 1px solid var(--art-line-strong);
	border-radius: 10px;
	padding: .7rem .85rem;
	color: #fff;
	font-family: inherit;
}
.art-comments__panel .comment-form-cookies-consent { display: flex; gap: .5rem; align-items: flex-start; }
.art-comments__panel .comment-form-cookies-consent input { width: auto; }

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Tablet lớn: bỏ sidebar dính, nội dung 1 cột */
@media (max-width: 1150px) {
	.art-hero__grid { grid-template-columns: 1fr; gap: 2rem; }
	.art-hero__visual { max-width: 760px; }
	.art-layout,
	.art-layout--single { grid-template-columns: minmax(0, 1fr); gap: 0; justify-content: stretch; }
	.art-side { display: none; }
	.art-body { max-width: 790px; margin-inline: auto; width: 100%; }
	.art-toc-m { display: block; }
}

/* Tablet: card 2 cột */
@media (max-width: 991px) {
	.art-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.art-cards > .art-card:last-child:nth-child(3) { grid-column: span 2; }
	.art-proof { grid-template-columns: 1fr; }
	.art-proof__visual { min-height: 240px; }
	.art-servicepanel { grid-template-columns: 1fr; }
	.art-servicepanel__actions { justify-content: flex-start; }
}

/* Mobile */
@media (max-width: 720px) {
	.art-container { width: min(var(--art-max), 100% - 28px); }
	.art-hero { padding: 2.2rem 0 1.5rem; }
	.art-crumb { font-size: .75rem; margin-bottom: 1.1rem; }
	.art-title { font-size: clamp(2.05rem, 9.6vw, 2.6rem); line-height: 1.12; }
	.art-dek { font-size: 1.03rem; }
	.art-hero__visual { border-radius: 14px; aspect-ratio: 16 / 11; }
	.art-layout { padding: 2rem 0 3.5rem; }
	.art-prose { font-size: 1rem; line-height: 1.75; }
	.art-prose p.art-lead { font-size: 1.1rem; }
	.art-keybox { padding: 1.2rem; margin: 1.5rem 0; }
	.art-cta { grid-template-columns: 1fr; padding: 1.4rem; margin: 2rem 0; }
	.art-cta .art-btn { width: 100%; }
	.art-author { padding: 1.1rem; }
	.art-sec { padding: 3.2rem 0; }
	.art-sechead { display: block; }
	.art-sechead__note { margin-top: .6rem; }

	/* Card cuộn ngang bằng scroll-snap, không dùng thư viện carousel */
	.art-cards {
		display: flex;
		overflow-x: auto;
		scroll-snap-type: x mandatory;
		gap: .9rem;
		padding-bottom: .5rem;
		margin-right: -14px;
		padding-right: 14px;
		-webkit-overflow-scrolling: touch;
	}
	.art-cards > .art-card,
	.art-cards > .art-card:last-child:nth-child(3) {
		min-width: 78vw;
		grid-column: auto;
		scroll-snap-align: start;
	}

	.art-proof__body { padding: 1.5rem; }
	.art-proof__client { font-size: 1.15rem; }
	.art-servicepanel { padding: 1.5rem; }
	.art-servicepanel__actions { flex-direction: column; }
	.art-servicepanel__actions .art-btn { width: 100%; }

	/* CTA dính cuối màn hình */
	.art-mcta {
		display: grid;
		grid-template-columns: 1fr auto auto;
		align-items: center;
		gap: .6rem;
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		z-index: 890;
		background: rgba(11, 11, 11, .97);
		backdrop-filter: blur(12px);
		border-top: 1px solid var(--art-line-strong);
		padding: .6rem .85rem;
		padding-bottom: calc(.6rem + env(safe-area-inset-bottom, 0px));
	}
	.art-mcta[data-art-dismissed="1"] { display: none; }
	.art-mcta__text { margin: 0; font-size: .72rem; color: var(--art-muted); line-height: 1.3; min-width: 0; }
	.art-mcta__text strong {
		display: block;
		color: #fff;
		font-size: .85rem;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
	}
	.art-mcta__close {
		background: transparent;
		border: 0;
		color: var(--art-muted-2);
		width: 36px;
		height: 36px;
		display: grid;
		place-items: center;
		cursor: pointer;
		font-size: 1.05rem;
	}
	.art-mcta__close:hover { color: #fff; }

	/* Chừa chỗ cho thanh CTA dính, không che nội dung cuối trang */
	body.art-has-sticky-cta .art-comments { padding-bottom: 6rem; }
}