/* ANT Theme SEO — CSS tối giản, mobile-first. Không framework. */

:root {
	--ant-primary: #b3541e;      /* cam đất — ấm, hợp ngành nội thất */
	--ant-primary-dark: #8f4215;
	--ant-ink: #222222;
	--ant-muted: #666666;
	--ant-bg: #ffffff;
	--ant-bg-soft: #faf7f2;
	--ant-border: #e8e0d4;
	--ant-radius: 10px;
	--ant-wrap: 1140px;
}

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

body {
	margin: 0;
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	color: var(--ant-ink);
	line-height: 1.7;
	background: var(--ant-bg);
}

img { max-width: 100%; height: auto; }

.antseo-wrap {
	max-width: var(--ant-wrap);
	margin: 0 auto;
	padding: 0 20px;
}

.antseo-skip {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--ant-primary);
	color: #fff;
	padding: 8px 16px;
	z-index: 100;
}
.antseo-skip:focus { left: 8px; top: 8px; }

/* Header */
.antseo-header {
	border-bottom: 1px solid var(--ant-border);
	background: #fff;
	position: sticky;
	top: 0;
	z-index: 50;
}
.antseo-header-inner {
	display: flex;
	align-items: center;
	gap: 24px;
	padding-top: 12px;
	padding-bottom: 12px;
}
.antseo-brand-text { margin: 0; font-size: 1.35rem; font-weight: 700; }
.antseo-brand-text a { color: var(--ant-ink); text-decoration: none; }
.antseo-nav { margin-left: auto; }
.antseo-menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 20px;
	flex-wrap: wrap;
}
.antseo-menu a { color: var(--ant-ink); text-decoration: none; font-weight: 500; }
.antseo-menu a:hover { color: var(--ant-primary); }
.antseo-header-phone { white-space: nowrap; }

/* Buttons */
.antseo-btn {
	display: inline-block;
	padding: 12px 24px;
	border-radius: var(--ant-radius);
	text-decoration: none;
	font-weight: 600;
	border: 2px solid transparent;
}
.antseo-btn-primary { background: var(--ant-primary); color: #fff; }
.antseo-btn-primary:hover { background: var(--ant-primary-dark); color: #fff; }
.antseo-btn-secondary { border-color: var(--ant-primary); color: var(--ant-primary); background: #fff; }
.antseo-btn-zalo { background: #0068ff; color: #fff; }

/* Content */
.antseo-main { padding: 32px 0 56px; }
.antseo-h1 { font-size: 2rem; line-height: 1.3; margin: 0 0 20px; }
.antseo-entry h2 { font-size: 1.45rem; margin: 2em 0 0.6em; }
.antseo-entry h3 { font-size: 1.2rem; margin: 1.6em 0 0.5em; }
.antseo-entry p { margin: 0 0 1.1em; }
.antseo-entry ul, .antseo-entry ol { margin: 0 0 1.1em 1.4em; }
.antseo-entry a { color: var(--ant-primary); }
.antseo-entry figure, .antseo-featured { margin: 1.6em 0; text-align: center; }
.antseo-entry figcaption { color: var(--ant-muted); font-size: 0.9rem; margin-top: 6px; }
.antseo-breadcrumb { font-size: 0.9rem; color: var(--ant-muted); margin-bottom: 16px; }
.antseo-breadcrumb a { color: var(--ant-muted); }
.antseo-meta { color: var(--ant-muted); font-size: 0.9rem; }

/* Pillar cards (trang chủ) */
.antseo-section-title { font-size: 1.5rem; margin: 48px 0 20px; }
.antseo-pillar-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 20px;
}
.antseo-pillar-card {
	display: block;
	padding: 28px;
	background: var(--ant-bg-soft);
	border: 1px solid var(--ant-border);
	border-radius: var(--ant-radius);
	text-decoration: none;
	color: var(--ant-ink);
}
.antseo-pillar-card:hover { border-color: var(--ant-primary); }
.antseo-pillar-card h3 { margin: 0 0 8px; color: var(--ant-primary); font-size: 1.25rem; }
.antseo-pillar-card p { margin: 0; color: var(--ant-muted); }

/* CTA */
.antseo-cta {
	margin: 56px 0 0;
	background: var(--ant-bg-soft);
	border: 1px solid var(--ant-border);
	border-radius: var(--ant-radius);
	padding: 40px 32px;
	text-align: center;
}
.antseo-cta-title { margin: 0 0 8px; font-size: 1.5rem; }
.antseo-cta-sub { color: var(--ant-muted); margin: 0 0 24px; }
.antseo-cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Blog cards */
.antseo-card-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 24px;
}
.antseo-card { border: 1px solid var(--ant-border); border-radius: var(--ant-radius); overflow: hidden; }
.antseo-card img { width: 100%; display: block; }
.antseo-card-title { font-size: 1.15rem; margin: 16px 16px 8px; }
.antseo-card-title a { color: var(--ant-ink); text-decoration: none; }
.antseo-card-excerpt { color: var(--ant-muted); margin: 0 16px 16px; font-size: 0.95rem; }

/* Footer */
.antseo-footer { background: #1d1a16; color: #cfc8bb; margin-top: 64px; }
.antseo-footer a { color: #fff; }
.antseo-footer-inner {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 32px;
	padding-top: 48px;
	padding-bottom: 32px;
}
.antseo-footer-brand { font-size: 1.2rem; font-weight: 700; color: #fff; margin: 0 0 12px; }
.antseo-footer-addr { margin: 0 0 8px; }
.antseo-footer-menu { list-style: none; margin: 0; padding: 0; }
.antseo-footer-menu li { margin-bottom: 8px; }
.antseo-footer-menu a { text-decoration: none; }
.antseo-footer-bottom { border-top: 1px solid #3a352c; padding: 16px 0; font-size: 0.85rem; }
.antseo-footer-bottom p { margin: 0; }

@media (max-width: 720px) {
	.antseo-h1 { font-size: 1.6rem; }
	.antseo-header-inner { flex-wrap: wrap; }
	.antseo-nav { order: 3; width: 100%; }
	.antseo-cta { padding: 28px 20px; }
}

/* ============ FAQ ============ */
.antseo-faq-list{margin:24px 0}
.antseo-faq{border:1px solid #e5e5e5;border-radius:10px;margin:10px 0;overflow:hidden;background:#fff}
.antseo-faq summary{padding:14px 18px;font-weight:700;cursor:pointer;background:#fafafa;list-style:none}
.antseo-faq summary::-webkit-details-marker{display:none}
.antseo-faq summary::after{content:"+";float:right;font-size:1.3rem;color:#C98A2E}
.antseo-faq[open] summary::after{content:"–"}
.antseo-faq-a{padding:4px 18px 16px;color:#333}

/* ============ LEAD FORM ============ */
.antseo-lead-form{background:#f7f7f7;border-radius:10px;padding:28px;max-width:560px;margin:24px auto}
.antseo-lead-form h3{margin-top:0;text-align:center}
.antseo-lead-form label{display:block;font-weight:600;margin:12px 0 4px}
.antseo-lead-form input,.antseo-lead-form textarea,.antseo-lead-form select{width:100%;padding:11px 14px;border:1px solid #ccc;border-radius:8px;font-size:1rem;font-family:inherit}
.antseo-lead-form .antseo-btn{width:100%;margin-top:16px;font-size:1.05rem}
.antseo-form-note{text-align:center;font-size:.85rem;color:#666;margin:10px 0 0}
.antseo-form-ok{background:#d4edda;color:#155724;padding:16px;border-radius:8px;text-align:center;font-weight:600}

/* ============ FLOATING BUTTONS ============ */
.antseo-float{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:60}
.antseo-float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.35rem;box-shadow:0 4px 14px rgba(0,0,0,.25);text-decoration:none}
.antseo-float-call{background:#28a745}
.antseo-float-zalo{background:#0068ff;font-size:.8rem;font-weight:800}

/* ============ PROJECT INFO TABLE ============ */
.antseo-project-info{width:100%;border-collapse:collapse;margin:20px 0;background:#fafafa;border-radius:10px;overflow:hidden}
.antseo-project-info th,.antseo-project-info td{padding:10px 16px;border-bottom:1px solid #eee;text-align:left}
.antseo-project-info th{width:180px;color:#1F4E5F;background:#f0f4f5}

/* ============ HERO (premium) ============ */
.antseo-hero{position:relative;background:linear-gradient(135deg,#2b1c10 0%,#b3541e 130%);color:#fff;padding:96px 0;overflow:hidden}
.antseo-hero.has-bg{background-size:cover;background-position:center}
.antseo-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,12,6,.72) 0%,rgba(20,12,6,.55) 60%,rgba(20,12,6,.78) 100%)}
.antseo-hero.has-bg .antseo-hero-overlay{display:block}
.antseo-hero:not(.has-bg) .antseo-hero-overlay{display:none}
.antseo-hero-inner{position:relative;z-index:1;text-align:center;max-width:820px}
.antseo-eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--ant-primary);margin:0 0 12px}
.antseo-hero .antseo-eyebrow{color:#f0c98f}
.antseo-center{text-align:center;display:block}
.antseo-hero .antseo-h1{color:#fff;font-size:2.9rem;font-weight:800;letter-spacing:-.01em;margin:0 0 16px}
.antseo-hero-sub{font-size:1.15rem;opacity:.94;max-width:680px;margin:0 auto 30px}
.antseo-hero-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.antseo-btn-ghost{border:2px solid #fff;color:#fff;background:transparent}
.antseo-btn-ghost:hover{background:#fff;color:var(--ant-ink)}

/* ============ STATS BAND ============ */
.antseo-stats{background:#1d1a16;color:#fff}
.antseo-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:34px 20px;text-align:center}
.antseo-stat-num{display:block;font-size:2.2rem;font-weight:800;color:#f0c98f}
.antseo-stat-label{display:block;font-size:.92rem;color:#cfc8bb;margin-top:4px}

/* ============ SECTION TITLES ============ */
.antseo-section-title{font-size:1.9rem;margin:10px 0 34px;font-weight:800;letter-spacing:-.01em}
section{margin-bottom:72px}

/* ============ SERVICE GRID ============ */
.antseo-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.antseo-service-card{display:block;background:#fff;border:1px solid var(--ant-border);border-radius:var(--ant-radius);padding:30px 26px;text-decoration:none;color:var(--ant-ink);transition:transform .2s,box-shadow .2s,border-color .2s}
.antseo-service-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(179,84,30,.12);border-color:var(--ant-primary)}
.antseo-service-card h3{margin:0 0 10px;font-size:1.2rem;color:var(--ant-primary)}
.antseo-service-card p{margin:0 0 14px;color:var(--ant-muted);font-size:.96rem}
.antseo-card-link{font-weight:700;font-size:.92rem;color:var(--ant-primary)}
.antseo-card-body{padding:20px}

/* ============ PROCESS STEPS ============ */
.antseo-process{background:var(--ant-bg-soft);border-radius:18px;padding:56px 40px}
.antseo-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:step}
.antseo-step{position:relative;padding-top:8px}
.antseo-step-num{display:inline-flex;width:46px;height:46px;border-radius:50%;background:var(--ant-primary);color:#fff;font-weight:800;font-size:1.2rem;align-items:center;justify-content:center;margin-bottom:14px}
.antseo-step h3{margin:0 0 8px;font-size:1.05rem}
.antseo-step p{margin:0;color:var(--ant-muted);font-size:.92rem}

/* ============ COMMITMENTS ============ */
.antseo-commit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.antseo-commit{text-align:center;padding:28px 18px;border:1px solid var(--ant-border);border-radius:var(--ant-radius);background:#fff}
.antseo-commit-check{display:inline-flex;width:52px;height:52px;border-radius:50%;background:#eef7ee;color:#2e7d32;font-size:1.5rem;font-weight:800;align-items:center;justify-content:center;margin-bottom:14px}
.antseo-commit h3{margin:0 0 8px;font-size:1.08rem}
.antseo-commit p{margin:0;color:var(--ant-muted);font-size:.92rem}

@media(max-width:960px){
  .antseo-service-grid{grid-template-columns:repeat(2,1fr)}
  .antseo-steps{grid-template-columns:repeat(2,1fr)}
  .antseo-commit-grid{grid-template-columns:repeat(2,1fr)}
  .antseo-stats-grid{grid-template-columns:repeat(2,1fr)}
  .antseo-hero .antseo-h1{font-size:2.1rem}
  .antseo-hero{padding:64px 0}
}
@media(max-width:600px){
  .antseo-service-grid{grid-template-columns:1fr}
  .antseo-process{padding:36px 22px}
}

/* ============ v1.2 — khối theo cấu trúc viethomeaz.vn ============ */
.antseo-intro{max-width:860px;margin:0 auto 8px;text-align:center;padding:48px 0 0}
.antseo-brandline{font-size:1.25rem;margin:0 0 10px}
.antseo-intro .antseo-entry p{color:var(--ant-muted)}

/* 5 khối dịch vụ icon */
.antseo-icon-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.antseo-icon-card{display:block;text-align:center;padding:30px 16px;background:#fff;border:1px solid var(--ant-border);border-radius:var(--ant-radius);text-decoration:none;color:var(--ant-ink);transition:transform .2s,box-shadow .2s,border-color .2s}
.antseo-icon-card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(179,84,30,.12);border-color:var(--ant-primary)}
.antseo-icon{display:inline-flex;width:76px;height:76px;border-radius:50%;background:var(--ant-bg-soft);border:1px solid var(--ant-border);color:var(--ant-primary);align-items:center;justify-content:center;margin-bottom:14px}
.antseo-icon-card h3{margin:0 0 8px;font-size:1.02rem}
.antseo-icon-card p{margin:0;color:var(--ant-muted);font-size:.88rem;line-height:1.55}

/* 3 thẻ nhanh 01/02/03 */
.antseo-quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.antseo-quick-card{display:flex;align-items:center;gap:18px;padding:22px 26px;background:#1d1a16;color:#fff;border-radius:var(--ant-radius);text-decoration:none;transition:transform .2s}
.antseo-quick-card:hover{transform:translateY(-4px)}
.antseo-quick-num{font-size:2rem;font-weight:800;color:#f0c98f}
.antseo-quick-title{font-size:1.1rem;font-weight:700;color:#fff}

/* Tại sao chọn chúng tôi */
.antseo-why{background:var(--ant-bg-soft);border-radius:18px;padding:56px 40px}
.antseo-why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.antseo-why-item{background:#fff;border:1px solid var(--ant-border);border-radius:var(--ant-radius);padding:28px 22px;text-align:center}
.antseo-why-num{display:inline-flex;width:52px;height:52px;border-radius:50%;background:var(--ant-primary);color:#fff;font-weight:800;font-size:1.35rem;align-items:center;justify-content:center;margin-bottom:14px}
.antseo-why-item h3{margin:0 0 8px;font-size:1.05rem;text-transform:uppercase;letter-spacing:.02em}
.antseo-why-item p{margin:0;color:var(--ant-muted);font-size:.9rem}

/* Lưới dự án theo nhóm */
.antseo-pgrid{margin-bottom:72px}
.antseo-pgrid-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.antseo-pgrid-title{margin:0;font-size:1.5rem;font-weight:800}
.antseo-pgrid-title a{color:var(--ant-ink);text-decoration:none}
.antseo-pgrid-title a:hover{color:var(--ant-primary)}
.antseo-chips{display:flex;gap:10px;flex-wrap:wrap}
.antseo-chip{display:inline-block;padding:7px 16px;border:1px solid var(--ant-border);border-radius:999px;font-size:.88rem;color:var(--ant-muted);text-decoration:none;background:#fff}
.antseo-chip:hover{border-color:var(--ant-primary);color:var(--ant-primary)}

@media(max-width:1020px){
  .antseo-icon-grid{grid-template-columns:repeat(3,1fr)}
  .antseo-why-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .antseo-icon-grid{grid-template-columns:repeat(2,1fr)}
  .antseo-quick-grid{grid-template-columns:1fr}
  .antseo-why{padding:36px 22px}
  .antseo-pgrid-head{flex-direction:column;align-items:flex-start}
}

/* ============ v1.3 — Blog + Form báo giá trang chủ ============ */
.antseo-blog{margin-bottom:72px}
.antseo-card-date{font-size:.82rem;color:var(--ant-muted);margin:0 0 6px}
.antseo-quote{background:linear-gradient(135deg,#2b1c10 0%,#8f4215 140%);border-radius:18px;padding:56px 48px;margin-bottom:72px;color:#fff}
.antseo-quote-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.antseo-quote .antseo-eyebrow{color:#f0c98f}
.antseo-quote-title{font-size:1.8rem;margin:0 0 14px;font-weight:800;color:#fff}
.antseo-quote-text p{opacity:.92}
.antseo-quote-points{list-style:none;margin:22px 0 0;padding:0}
.antseo-quote-points li{position:relative;padding:6px 0 6px 30px;font-weight:500}
.antseo-quote-points li::before{content:"✓";position:absolute;left:0;top:6px;width:22px;height:22px;border-radius:50%;background:#f0c98f;color:#2b1c10;font-weight:800;font-size:.85rem;display:inline-flex;align-items:center;justify-content:center}
.antseo-quote-form .antseo-lead-form{margin:0;max-width:none;background:#fff;box-shadow:0 20px 50px rgba(0,0,0,.25)}
@media(max-width:900px){
  .antseo-quote{padding:40px 26px}
  .antseo-quote-inner{grid-template-columns:1fr;gap:32px}
}

/* ============ v1.4 — Slider dự án + Related ============ */
.antseo-slider{position:relative;margin:1.6em 0}
.antseo-slides{position:relative;border-radius:var(--ant-radius);overflow:hidden;background:#111}
.antseo-slide{display:none;margin:0}
.antseo-slide.is-active{display:block}
.antseo-slide img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover}
.antseo-slide-btn{position:absolute;top:42%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:rgba(0,0,0,.55);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;z-index:2}
.antseo-slide-btn:hover{background:var(--ant-primary)}
.antseo-prev{left:12px}
.antseo-next{right:12px}
.antseo-slide-count{position:absolute;right:14px;bottom:14px;background:rgba(0,0,0,.6);color:#fff;font-size:.82rem;padding:4px 12px;border-radius:999px;z-index:2}
.antseo-thumbs{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px}
.antseo-thumb{flex:0 0 auto;width:88px;height:66px;padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:none}
.antseo-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.antseo-thumb.is-active{border-color:var(--ant-primary)}
.antseo-related{margin:56px 0 0}
.antseo-related-term{color:var(--ant-muted);margin:-24px 0 24px}

/* ============ v1.6 — Tìm kiếm dự án thông minh ============ */
.antseo-search-form{background:var(--ant-bg-soft);border:1px solid var(--ant-border);border-radius:var(--ant-radius);padding:26px;margin:0 0 28px}
.antseo-search-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr auto;gap:14px;align-items:end}
.antseo-search-field{margin:0}
.antseo-search-field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.antseo-search-field input,.antseo-search-field select{width:100%;padding:11px 14px;border:1px solid #ccc;border-radius:8px;font-size:.95rem;font-family:inherit;background:#fff}
.antseo-search-submit{margin:0}
.antseo-search-note{background:#fff8e1;border:1px solid #f0d98c;border-radius:8px;padding:12px 18px;margin:0 0 18px;font-size:.95rem}
.antseo-search-count{font-weight:700;margin:0 0 18px}
.antseo-card-specs{font-size:.82rem;color:var(--ant-primary);font-weight:700;margin:0 0 6px}
@media(max-width:1020px){.antseo-search-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.antseo-search-grid{grid-template-columns:1fr}}

/* ============ v1.7 — Wishlist + Lịch sử ============ */
.antseo-wish{position:absolute;top:10px;right:10px;width:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#999;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.18);z-index:2}
.antseo-wish:hover{color:var(--ant-primary);transform:scale(1.08)}
.antseo-wish.is-on{color:#e0245e}
.antseo-wish.is-on svg path{fill:#e0245e}
.antseo-history{margin:24px 0 56px}
.antseo-history-empty{color:var(--ant-muted);background:var(--ant-bg-soft);border:1px dashed var(--ant-border);border-radius:var(--ant-radius);padding:32px;text-align:center}

/* ============ v1.8 — Banner đồng ý cá nhân hóa ============ */
.antseo-consent{position:fixed;left:0;right:0;bottom:0;z-index:200;padding:16px;display:flex;justify-content:center;pointer-events:none}
.antseo-consent-box{pointer-events:auto;max-width:640px;background:#1d1a16;color:#fff;border-radius:14px;padding:22px 26px;box-shadow:0 18px 50px rgba(0,0,0,.35);border:1px solid #3a352c}
.antseo-consent-title{margin:0 0 6px;font-weight:800;font-size:1.05rem;color:#f0c98f}
.antseo-consent-text{margin:0 0 16px;font-size:.92rem;color:#e8e0d4}
.antseo-consent-btns{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.antseo-consent-later{background:none;border:0;color:#cfc8bb;text-decoration:underline;cursor:pointer;font-size:.9rem;padding:12px 4px}
.antseo-suggest{margin:24px 0 56px}

/* ============ v1.8.1 — fix hidden + icon thu nhỏ ============ */
.antseo-consent[hidden]{display:none}
.antseo-consent-mini[hidden]{display:none}
.antseo-consent-mini{position:fixed;left:16px;bottom:16px;z-index:200;width:48px;height:48px;border-radius:50%;border:1px solid #3a352c;background:#1d1a16;color:#f0c98f;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.antseo-consent-mini:hover{transform:scale(1.08)}

/* ============ v2.0 — Cụm nút liên hệ 4 kênh ============ */
.antseo-contact{position:fixed;right:16px;bottom:16px;z-index:150;display:flex;flex-direction:column;gap:10px}
.antseo-contact-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.25);position:relative}
.antseo-contact-btn:hover{transform:scale(1.08);color:#fff}
.antseo-contact-zalo{background:#0068ff;font-weight:800;font-size:.78rem}
.antseo-contact-call{background:#28a745}
.antseo-contact-whatsapp{background:#25d366}
.antseo-contact-messenger{background:#0084ff}
.antseo-contact-label{display:none}
.antseo-cb-txt{font-size:.78rem;font-weight:800}
@media(max-width:720px){
  .antseo-contact{left:0;right:0;bottom:0;flex-direction:row;gap:0;background:#fff;border-top:1px solid var(--ant-border);box-shadow:0 -4px 18px rgba(0,0,0,.1);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .antseo-contact-btn{flex:1;border-radius:10px;height:52px;flex-direction:column;gap:2px;box-shadow:none}
  .antseo-contact-btn svg{width:22px;height:22px}
  .antseo-contact-label{display:block;font-size:.68rem;font-weight:600}
  .antseo-contact-zalo .antseo-cb-txt{display:none}
}

/* ============ v2.0 — Chat tư vấn trực tiếp ============ */