* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html, body {
            margin: 0;
            padding: 0;
            width: 100%;
        }

        body {
            font-family: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #f5f1ed;
            color: #2c2c2c;
            font-weight: 400;
            padding-top: 68px;
        }

        .container {
            max-width: 100%;
            margin: 0 auto;
            background: white;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        /* ===== SITE HEADER ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: linear-gradient(180deg, rgba(4,12,34,.74) 0%, rgba(4,12,34,.06) 100%);
            border-bottom: 1px solid rgba(255,255,255,.06);
            box-shadow: none;
            transition: background .45s ease, border-color .45s, box-shadow .45s;
        }
        .site-header.hdr-solid {
            background: rgba(255,255,255,.97);
            border-bottom: 1px solid #f0e8e0;
            box-shadow: 0 2px 20px rgba(0,0,0,.09);
            backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
        }
        .site-header:not(.hdr-solid) .nav-link { color: rgba(255,255,255,.97); font-weight:700; letter-spacing:.5px; text-shadow:0 1px 12px rgba(0,0,0,.65),0 2px 28px rgba(0,0,0,.3); border-bottom:2px solid transparent; transition:color .22s,background .22s,border-color .22s,text-shadow .22s; }
        .site-header:not(.hdr-solid) .nav-link:hover,
        .site-header:not(.hdr-solid) .nav-link.active { color:#fff; background:rgba(255,255,255,.11); border-bottom-color:#c9a961; text-shadow:0 0 28px rgba(201,169,97,.75),0 1px 12px rgba(0,0,0,.5); }
        .site-header:not(.hdr-solid) .nav-dropdown-menu { background: rgba(6,14,38,.95); border-color: rgba(255,255,255,.1); }
        .site-header:not(.hdr-solid) .nav-dropdown-menu::before { background: rgba(6,14,38,.95); border-color: rgba(255,255,255,.1); }
        .site-header:not(.hdr-solid) .nav-dropdown-menu a { color: rgba(255,255,255,.85); }
        .site-header:not(.hdr-solid) .nav-dropdown-menu a:hover { background: rgba(201,169,97,.18); color: #e8d08a; border-left-color: #c9a961; }
        .site-logo img { mix-blend-mode: normal; }
        .site-header:not(.hdr-solid) .site-logo img { filter: none; }
        .site-header.hdr-solid .site-logo { background:transparent; padding:0; transition:background .45s; }
        .site-header:not(.hdr-solid) .site-hamburger span { background: white; }
        .site-header-inner {
            max-width: 1400px; margin: 0 auto;
            padding: 0 32px; height: 96px;
            display: flex; align-items: center;
            justify-content: space-between; gap: 24px;
            position: relative;
        }
        .site-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; transition: transform 0.3s; }
        .site-logo:hover { transform: scale(1.04); }
        .site-logo img { height: 108px; width: auto; display: block; }
        .site-nav { display: flex; align-items: center; gap: 6px; }
        .site-nav .nav-link {
            position: relative; padding: 8px 16px;
            color: #2c2c2c; text-decoration: none;
            font-size: 15px; font-weight: 600;
            letter-spacing: 0.3px; border-radius: 6px;
            transition: all 0.2s; white-space: nowrap;
            display: flex; align-items: center; gap: 5px;
        }
        .site-nav .nav-link:hover { color: #c9a961; background: #fdf8f0; }
        .site-nav .nav-link.active { color: #c9a961; }
        .nav-has-dropdown { position: relative; cursor: pointer; }
        .nav-has-dropdown > .nav-link::after {
            content: ''; display: inline-block;
            width: 0; height: 0;
            border-left: 4px solid transparent;
            border-right: 4px solid transparent;
            border-top: 5px solid currentColor;
            margin-left: 4px; transition: transform 0.2s;
        }
        .nav-has-dropdown:hover > .nav-link::after { transform: rotate(180deg); }
        .nav-dropdown-menu {
            display: none; position: absolute;
            top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
            background: white; border-radius: 10px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
            border: 1px solid #f0e8e0; min-width: 200px;
            padding: 8px 0; z-index: 999;
        }
        .nav-dropdown-menu::before {
            content: ''; position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
            width: 12px; height: 12px; background: white;
            border-left: 1px solid #f0e8e0; border-top: 1px solid #f0e8e0;
            transform: translateX(-50%) rotate(45deg);
        }
        .nav-has-dropdown:hover .nav-dropdown-menu { display: block; animation: dropIn 0.18s ease; }
        .nav-has-dropdown::after { content:''; position:absolute; top:100%; left:0; right:0; height:14px; }
        @keyframes dropIn { from { opacity:0; transform: translateX(-50%) translateY(-6px); } to { opacity:1; transform: translateX(-50%) translateY(0); } }
        .nav-dropdown-menu a {
            display: flex; align-items: center; gap: 10px;
            padding: 11px 20px; color: #333; text-decoration: none;
            font-size: 14px; font-weight: 500; transition: all 0.15s;
            border-left: 3px solid transparent;
        }
        .nav-dropdown-menu a:hover { background: #fdf8f0; color: #c9a961; border-left-color: #c9a961; }
        .site-hotline {
            display: flex; align-items: center; gap: 10px;
            background: linear-gradient(135deg, #1e3a5f 0%, #16304f 100%);
            color: white; text-decoration: none;
            padding: 9px 18px 9px 10px; border-radius: 50px;
            font-weight: 700; white-space: nowrap;
            transition: all 0.25s; flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(30,58,95,0.35);
            position: relative; overflow: hidden;
            border: 1.5px solid rgba(201,169,97,0.45);
        }
        .site-hotline::before {
            content: ''; position: absolute;
            top: 0; left: -100%; width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(201,169,97,0.12), transparent);
            transition: left 0.5s;
        }
        .site-hotline:hover::before { left: 100%; }
        .site-hotline:hover {
            background: linear-gradient(135deg, #254d7a 0%, #1e3a5f 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(30,58,95,0.45);
            border-color: rgba(201,169,97,0.7);
        }
        .site-hotline .hotline-icon {
            width: 36px; height: 36px;
            background: linear-gradient(135deg, #c9a961, #b8943f);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 16px; flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(201,169,97,0.4);
            animation: ringPulse 2.5s ease-in-out infinite;
        }
        .site-hotline .hotline-text { display: flex; flex-direction: column; line-height: 1.25; }
        .site-hotline .hotline-label { font-size: 9px; font-weight: 500; opacity: 0.75; text-transform: uppercase; letter-spacing: 1px; color: #c9a961; }
        .site-hotline .hotline-number { font-size: 15px; font-weight: 800; letter-spacing: 0.5px; color: #ffffff; }
        @keyframes ringPulse {
            0%, 100% { transform: scale(1); box-shadow: 0 2px 8px rgba(201,169,97,0.4); }
            50% { transform: scale(1.1); box-shadow: 0 4px 14px rgba(201,169,97,0.65); }
        }
        .site-hamburger {
            display: none; flex-direction: column; gap: 5px;
            cursor: pointer; padding: 8px; background: none;
            border: none; z-index: 101;
        }
        .site-hamburger span { width: 24px; height: 2.5px; background: #2c2c2c; border-radius: 2px; transition: all 0.3s; display: block; }
        .site-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(7px, 7px); background: #c9a961; }
        .site-hamburger.active span:nth-child(2) { opacity: 0; }
        .site-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); background: #c9a961; }
        .site-mobile-nav {
            display: none; flex-direction: column;
            position: fixed; top: 68px; left: 0; right: 0;
            background: white; border-top: 2px solid #f0e8e0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            z-index: 999; padding: 8px 0 16px; max-height: calc(100vh - 68px); overflow-y: auto;
        }
        .site-mobile-nav.open { display: flex; }
        .site-mobile-nav a {
            display: flex; align-items: center; gap: 12px;
            padding: 14px 24px; color: #2c2c2c; text-decoration: none;
            font-size: 15px; font-weight: 500; border-left: 3px solid transparent;
            transition: all 0.15s;
        }
        .site-mobile-nav a:hover { background: #fdf8f0; color: #c9a961; border-left-color: #c9a961; }
        .site-mobile-nav .mobile-divider { height: 1px; background: #f0e8e0; margin: 6px 24px; }
        .site-mobile-nav .mobile-hotline {
            margin: 8px 16px 0; background: #e74c3c; color: white !important;
            border-radius: 8px; justify-content: center; font-weight: 700 !important;
            border-left: none !important;
        }
        .site-mobile-nav .mobile-hotline:hover { background: #c0392b !important; }
        @media (max-width: 900px) {
            .site-nav { display: none; }
            .site-hamburger { display: flex; order: -1; flex-shrink: 0; }
            .site-header-inner { padding: 0 12px; gap: 8px; }
            .site-logo { order: 0; flex: 1; justify-content: center; }
            .site-hotline {
                order: 1; flex-shrink: 0;
                width: 42px; height: 42px;
                padding: 0; border-radius: 50%;
                justify-content: center;
                gap: 0;
                box-shadow: 0 3px 12px rgba(30,58,95,0.35);
            }
            .site-hotline .hotline-icon {
                width: 42px; height: 42px; font-size: 18px;
                animation: none;
                box-shadow: none;
                background: linear-gradient(135deg, #c9a961, #b8943f);
            }
            .site-hotline .hotline-text { display: none; }
            .site-hotline::before { display: none; }
        }


        /* TOP BANNER WITH IMAGE */
        .top-banner {
            width: 100%;
            height: 230px;
            background: linear-gradient(170deg, rgba(10,25,50,0.28) 0%, rgba(10,25,50,0.65) 100%),
                        url('images/banner-novaworld.jpg');
            background-size: cover;
            background-position: center 30%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        /* Bottom edge fade */
        .top-banner::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 60px;
            background: linear-gradient(to bottom, transparent, rgba(248,246,242,0.35));
            pointer-events: none;
        }

        .banner-overlay {
            text-align: center;
            color: white;
            position: relative;
            z-index: 2;
            padding: 0 20px;
        }

        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 10.5px;
            font-weight: 600;
            letter-spacing: 3.5px;
            text-transform: uppercase;
            color: #e8d08a;
            margin-bottom: 10px;
            opacity: 0.95;
        }
        .banner-eyebrow::before,
        .banner-eyebrow::after {
            content: '';
            display: block;
            width: 32px;
            height: 1px;
            background: #e8d08a;
            opacity: 0.8;
        }

        .banner-title {
            font-size: 34px;
            font-weight: 900;
            text-shadow: 1px 3px 14px rgba(0,0,0,0.45);
            letter-spacing: 3px;
            line-height: 1.15;
            text-transform: uppercase;
        }

        .banner-subtitle {
            font-size: 14px;
            margin-top: 8px;
            text-shadow: 1px 2px 8px rgba(0,0,0,0.5);
            font-weight: 400;
            letter-spacing: 0.8px;
            opacity: 0.88;
        }

        /* BREADCRUMB */
        .breadcrumb {
            padding: 15px 40px;
            font-size: 12px;
            color: #999;
            border-bottom: 1px solid #f0f0f0;
            background: #f9f7f4;
        }

        .breadcrumb a {
            color: #20a39e;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }

        .breadcrumb a:hover {
            color: #d4a574;
        }

        /* CONTENT */
        .content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            padding: 36px 40px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .image-section {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .main-image {
            position: relative;
            width: 100%;
            height: 500px;
            background: #f0f0f0;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid #e0e0e0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }

        .main-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.3s;
        }

        .main-image img:hover {
            transform: scale(1.02);
        }

        .nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 42px;
            height: 42px;
            border: none;
            background: rgba(255,255,255,0.85);
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: bold;
            color: #333;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
            transition: all 0.25s;
            z-index: 10;
        }

        .nav-btn.nav-prev { left: 12px; }
        .nav-btn.nav-next { right: 12px; }

        .nav-btn:hover {
            background: white;
            color: #20a39e;
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 4px 14px rgba(0,0,0,0.25);
        }

        .image-counter {
            position: absolute;
            bottom: 12px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 13px;
            color: white;
            font-weight: 700;
            background: rgba(0,0,0,0.45);
            padding: 4px 12px;
            border-radius: 20px;
            z-index: 10;
        }

        .thumbnail-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            /* Giữ sẵn chỗ đúng 1 hàng thumbnail (ô vuông, 4 cột → cao = rộng/4) từ khi
               trang vừa vẽ — JS đổ ảnh vào sau KHÔNG đẩy nội dung bên dưới (chống CLS).
               Có 2+ hàng thì grid tự cao thêm như thường. */
            aspect-ratio: 4 / 1;
        }

        .thumbnail {
            width: 100%;
            aspect-ratio: 1;
            background: #f0f0f0;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            cursor: pointer;
            overflow: hidden;
            transition: all 0.3s;
        }

        .thumbnail:hover,
        .thumbnail.active {
            border-color: #20a39e;
            transform: scale(1.08);
            box-shadow: 0 4px 12px rgba(32, 163, 158, 0.2);
        }

        .thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .info-section {
            flex-direction: column;
            gap: 28px;
        }

        .title-section {
            text-align: center;
            padding-bottom: 24px;
            border-bottom: 3px solid #f0f0f0;
        }

        .product-title {
            font-family: 'Playfair Display', serif;
            font-size: 42px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
            letter-spacing: -0.8px;
            line-height: 1.2;
        }

        .product-location {
            font-size: 15px;
            color: #20a39e;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
        }

        .price-box {
            background: white;
            border: 1px solid #e8e0d8;
            padding: 12px 20px 14px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            position: relative;
            width: 70%;
            margin: 0 auto;
            transition: all 0.3s ease;
        }

        @media (max-width: 600px) {
            .price-box {
                width: 92%;
            }
        }

        .price-box:hover {
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            border-color: #d4a574;
        }

        .price-badge {
            position: absolute;
            top: -16px;
            right: 20px;
            border-radius: 20px;
            padding: 5px 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            white-space: nowrap;
            gap: 4px;
        }

        .price-badge.badge-hot {
            background: linear-gradient(135deg, #E53935, #C62828);
            box-shadow: 0 4px 12px rgba(229, 57, 53, 0.4);
            animation: hotPulse 2s ease-in-out infinite;
        }

        .price-badge.badge-sold {
            background: linear-gradient(135deg, #555, #333);
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }

        .price-badge.badge-deposited {
            background: linear-gradient(135deg, #7B1FA2, #6A1B9A);
            box-shadow: 0 4px 10px rgba(123,31,162,0.35);
        }

        .price-badge.badge-coming {
            background: linear-gradient(135deg, #0288D1, #0277BD);
            box-shadow: 0 4px 10px rgba(2,136,209,0.35);
        }

        .price-badge.badge-available {
            background: linear-gradient(135deg, #2E7D32, #1B5E20);
            box-shadow: 0 4px 10px rgba(46,125,50,0.35);
        }

        @keyframes hotPulse {
            0%, 100% { transform: scale(1); box-shadow: 0 4px 12px rgba(229,57,53,0.4); }
            50% { transform: scale(1.06); box-shadow: 0 6px 18px rgba(229,57,53,0.6); }
        }

        /* Overlay mờ khi đã bán */
        .sold-overlay {
            display: none;
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.45);
            border-radius: 12px;
            z-index: 2;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 6px;
        }

        .sold-overlay.show {
            display: flex;
        }

        .sold-overlay-text {
            font-size: 22px;
            font-weight: 900;
            color: white;
            letter-spacing: 4px;
            text-transform: uppercase;
            text-shadow: 0 2px 8px rgba(0,0,0,0.5);
        }

        .sold-overlay-sub {
            font-size: 12px;
            color: rgba(255,255,255,0.85);
            letter-spacing: 1px;
        }

        /* Urgency message dưới giá */
        .price-urgency {
            display: none;
            margin-top: 10px;
            padding: 7px 12px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            text-align: center;
            gap: 6px;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        @media (max-width: 600px) {
            .price-urgency {
                font-size: 11px;
                padding: 6px 8px;
                white-space: nowrap;
            }
        }

        .price-urgency.show {
            display: flex;
        }

        .price-urgency.urgency-hot {
            background: #FFF3E0;
            color: #E65100;
            border: 1px solid #FFCC02;
        }

        .price-urgency.urgency-contact {
            background: #E8F5E9;
            color: #2E7D32;
            border: 1px solid #A5D6A7;
        }

        .price-main-row {
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin: 8px 0;
        }

        .price-label {
            font-size: 13px;
            font-weight: 900;
            letter-spacing: 1.5px;
            color: #666;
            text-transform: uppercase;
            white-space: nowrap;
            min-width: 70px;
            text-align: right;
        }

        @keyframes glowing-text {
            0% {
                color: #d4a574;
                text-shadow: 0 0 10px rgba(212, 165, 116, 0.5);
                transform: scale(1);
            }
            25% {
                color: #c49560;
                text-shadow: 0 0 20px rgba(212, 165, 116, 0.8);
                transform: scale(1.02);
            }
            50% {
                color: #b8854c;
                text-shadow: 0 0 30px rgba(212, 165, 116, 1);
                transform: scale(1.05);
            }
            75% {
                color: #c49560;
                text-shadow: 0 0 20px rgba(212, 165, 116, 0.8);
                transform: scale(1.02);
            }
            100% {
                color: #d4a574;
                text-shadow: 0 0 10px rgba(212, 165, 116, 0.5);
                transform: scale(1);
            }
        }

        .price-amount-row {
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .price-amount-row div {
            font-size: 32px;
            font-weight: 900;
            letter-spacing: -1px;
            animation: glowing-text 2.5s cubic-bezier(0.4, 0, 0.6, 1) infinite !important;
            display: inline-block;
        }

        .price-per-m2 {
            font-size: 12px;
            color: #d4a574;
            font-weight: 600;
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        .specs-section {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* ===== Section heading chung cho cả Mô Tả và Thông Số ===== */
        .section-heading {
            display: flex; align-items: center; gap: 10px;
            font-size: 11.5px; font-weight: 800;
            text-transform: uppercase; letter-spacing: 1.8px;
            color: var(--navy, #1e3a5f);
            padding-bottom: 10px;
            border-bottom: 1.5px solid #f0ece6;
            margin-bottom: 14px;
        }
        .section-heading-bar {
            width: 4px; height: 16px;
            background: linear-gradient(180deg, #c9a961, #e8d08a);
            border-radius: 3px; flex-shrink: 0;
        }
        .specs-title { display: none; } /* thay bằng section-heading */

        .specs-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            /* GIỮ SẴN CHỖ cho lưới thông số — nguồn CLS lớn nhất của trang này.
               Lưới rỗng khi trang vừa vẽ (cao 0), JS đổ 10 ô vào sau khi có dữ liệu
               → phình 0 → 282px, đẩy mọi thứ bên dưới xuống (đo được CLS 0,121).
               product.php đếm trước số ô rồi ghi --spec-hang = số HÀNG (luôn 2 ô/hàng
               ở mọi khổ màn hình), nhờ đó khung đủ cao ngay lần vẽ đầu.
               58px = 50px chiều cao một ô + 8px khoảng cách. Giữ hơi dư còn hơn thiếu:
               dư thì chỉ trống một dải nhỏ, thiếu là nội dung nhảy. */
            min-height: calc(var(--spec-hang, 0) * 58px);
        }

        @media (max-width: 900px) {
            .specs-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        @media (max-width: 600px) {
            .specs-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
        }

        .spec-item {
            display: flex;
            background: #ffffff;
            border: 1px solid #f0ece6;
            border-radius: 8px;
            padding: 10px 10px;
            transition: all 0.25s ease;
            align-items: center;
            gap: 8px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.04);
        }

        @media (max-width: 600px) {
            .spec-item {
                padding: 8px 8px;
                gap: 7px;
            }
        }

        .spec-item:hover {
            border-color: #d4a574;
            box-shadow: 0 4px 12px rgba(212,165,116,0.15);
            transform: translateY(-2px);
        }

        .spec-icon-box {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .spec-item:hover .spec-icon-box {
            transform: scale(1.08);
        }

        .spec-icon-3d {
            width: 16px;
            height: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .spec-icon-3d svg {
            width: 100%;
            height: 100%;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.8;
        }

        .spec-info {
            display: flex;
            flex-direction: column;
            gap: 3px;
            flex: 1;
            min-width: 0;
        }

        .spec-label {
            font-size: 10px;
            font-weight: 600;
            color: #aaa;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            line-height: 1;
        }

        .spec-value {
            font-size: 13px;
            font-weight: 700;
            color: #1a1a1a;
            line-height: 1.3;
        }

        @media (max-width: 600px) {
            .spec-label {
                font-size: 9px;
            }

            .spec-value {
                font-size: 13px;
            }
        }

        .description-section {
            margin-top: 20px;
        }

        .description-title { display: none; }

        .description-icon { display: none; }

        .description-text {
            font-size: 15px;
            line-height: 1.8;
            color: #444;
            text-align: justify;
        }

        .actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 28px;
        }

        .btn {
            padding: 16px 24px;
            border: none;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 700;
            font-family: 'Montserrat', sans-serif;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #d4a574 0%, #c49560 100%);
            color: white;
            grid-column: 1 / -1;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(212, 165, 116, 0.2);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #c49560 0%, #b8854c 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(212, 165, 116, 0.35);
        }

        .btn-secondary {
            background: white;
            color: #d4a574;
            border: 2px solid #d4a574;
            font-weight: 700;
        }

        .btn-secondary:hover {
            background: rgba(212, 165, 116, 0.05);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 165, 116, 0.15);
        }

        .btn-tertiary {
            background: white;
            color: #20a39e;
            border: 2px solid #20a39e;
            font-weight: 700;
        }

        .btn-tertiary:hover {
            background: rgba(32, 163, 158, 0.05);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(32, 163, 158, 0.2);
        }

        .error-message {
            background: #f8d7da;
            color: #721c24;
            padding: 25px;
            border-radius: 8px;
            margin: 25px;
            text-align: center;
            font-weight: 700;
            border: 2px solid #f5c6cb;
        }

        /* REGISTER BANNER + FORM - DƯỚI CÙNG */
        .register-section {
            background: linear-gradient(rgba(32, 163, 158, 0.85), rgba(32, 163, 158, 0.85)), 
                        url('images/banner-novaworld.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 40px 40px;
            text-align: center;
            color: white;
            margin-top: 20px;
            border-radius: 12px;
            margin-left: 20px;
            margin-right: 20px;
            margin-bottom: 40px;
        }

        .register-title {
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 20px;
            letter-spacing: 2px;
            text-shadow: 2px 2px 6px rgba(0,0,0,0.4);
            line-height: 1.3;
        }

        .register-subtitle {
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .register-hotline {
            color: #FFD700;
            font-weight: 900;
            font-size: 18px;
            display: inline;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
        }

        .register-support {
            font-size: 14px;
            margin-top: 12px;
            font-weight: 500;
        }

        /* REGISTER FORM - INLINE */
        .register-form-container {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr auto;
            gap: 15px;
            max-width: 100%;
            padding: 0 15px;
            margin-left: auto;
            margin-right: auto;
            align-items: flex-end;
        }

        .form-group {
            flex-direction: column;
            min-width: 0;
        }

        .form-group label {
            font-size: 12px;
            font-weight: 700;
            color: white;
            margin-bottom: 8px;
            text-align: left;
            text-transform: uppercase;
            letter-spacing: 0.6px;
        }

        .form-group input {
            padding: 14px 14px;
            border: 2px solid white;
            border-radius: 6px;
            font-size: 14px;
            transition: all 0.3s;
            font-family: inherit;
            background: white;
            color: #333;
            width: 100%;
            box-sizing: border-box;
        }

        .form-group input::placeholder {
            color: #999;
        }

        .form-group input:focus {
            outline: none;
            border-color: #FFD700;
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }

        .btn-submit {
            padding: 14px 35px;
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            color: #1a1a1a;
            border: none;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 900;
            cursor: pointer;
            transition: all 0.3s;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
            height: 46px;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
        }

        /* CONTACT MODAL */
        .contact-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 9999;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .contact-modal-content {
            background: linear-gradient(rgba(32, 163, 158, 0.95), rgba(32, 163, 158, 0.95)),
                        url('images/banner-novaworld.jpg');
            background-size: cover;
            background-position: center;
            border-radius: 12px;
            padding: 36px 40px;
            max-width: 700px;
            width: 90%;
            color: white;
            position: relative;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
            animation: slideUp 0.4s ease;
        }

        @keyframes slideUp {
            from {
                transform: translateY(50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .contact-modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            border-radius: 50%;
            font-size: 24px;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .contact-modal-close:hover {
            background: rgba(255, 255, 255, 0.4);
            transform: scale(1.1);
        }

        .contact-modal-title {
            font-size: 32px;
            font-weight: 900;
            margin-bottom: 15px;
            text-align: center;
            text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }

        .contact-modal-description {
            font-size: 14px;
            line-height: 1.7;
            text-align: center;
            margin-bottom: 30px;
            font-weight: 500;
        }

        .hotline-pulse {
            font-size: 28px;
            font-weight: 900;
            color: #E53935;
            display: inline-block;
            animation: hotlineBlink 1.5s ease-in-out infinite;
            letter-spacing: 1px;
        }

        .hotline-label {
            font-weight: 600;
            color: white;
            margin-right: 12px;
        }

        @keyframes hotlineBlink {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(1.05);
            }
        }

        .contact-modal-form {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .contact-form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .contact-form-group label {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            color: white;
        }

        .contact-form-group input {
            padding: 14px 14px;
            border: 2px solid white;
            border-radius: 6px;
            font-size: 14px;
            background: white;
            color: #333;
            font-family: inherit;
            transition: all 0.3s;
        }

        .contact-form-group input::placeholder {
            color: #999;
        }

        .contact-form-group input:focus {
            outline: none;
            border-color: #FFD700;
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }

        .btn-modal-register {
            padding: 14px 20px;
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            color: #1a1a1a;
            border: none;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 900;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
            margin-top: 10px;
        }

        .btn-modal-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
        }

        .contact-modal-hotline {
            text-align: center;
            margin-bottom: 25px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            border-left: 4px solid #FFD700;
        }

        .contact-modal-hotline-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.9;
        }

        .contact-modal-hotline-number {
            font-size: 26px;
            font-weight: 900;
            color: #FFD700;
            margin-top: 8px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
        }

        .contact-modal-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-info-item {
            background: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: 8px;
            align-items: flex-start;
            gap: 12px;
            transition: all 0.3s;
            cursor: pointer;
        }

        .contact-info-item:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .contact-info-icon {
            font-size: 24px;
            flex-shrink: 0;
            min-width: 30px;
        }

        .contact-info-content {
            flex: 1;
        }

        .contact-info-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            opacity: 0.8;
            margin-bottom: 4px;
        }

        .contact-info-value {
            font-size: 15px;
            font-weight: 700;
            word-break: break-all;
        }

        .contact-modal-buttons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .btn-modal {
            padding: 14px 20px;
            border: none;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 900;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-modal-call {
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            color: #1a1a1a;
        }

        .btn-modal-call:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
        }

        .btn-modal-close {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid white;
        }

        .btn-modal-close:hover {
            background: rgba(255, 255, 255, 0.3);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        @media (max-width: 600px) {
            .contact-modal-content {
                padding: 30px 20px;
                width: 95%;
            }

            .contact-modal-title {
                font-size: 24px;
                margin-bottom: 12px;
            }

            .contact-modal-description {
                font-size: 13px;
                margin-bottom: 20px;
            }

            .contact-modal-form {
                gap: 15px;
            }

            .contact-form-group label {
                font-size: 11px;
            }

            .contact-form-group input {
                padding: 12px 12px;
                font-size: 16px;
            }

            .btn-modal-register {
                padding: 12px 15px;
                font-size: 12px;
                margin-top: 8px;
            }

            .contact-modal-hotline-number {
                font-size: 22px;
            }

            .contact-modal-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .contact-modal-buttons {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .btn-modal {
                padding: 12px 15px;
                font-size: 12px;
            }
        }
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.4);
        }

        .btn-submit:active {
            transform: translateY(0);
        }

        .alert {
            padding: 16px 20px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-weight: 700;
            display: none;
            text-align: center;
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }

        .alert.success {
            background: #d4edda;
            color: #155724;
            border: 2px solid #28a745;
        }

        .alert.show {
            display: block;
            animation: slideIn 0.3s ease-out;
        }

        @keyframes slideIn {
            from {
                transform: translateX(400px);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @media (max-width: 900px) {
            .content {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 30px 20px;
            }

            .form-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .form-submit {
                flex-direction: column;
                gap: 15px;
            }

            .btn-submit {
                width: 100%;
                min-width: unset;
            }

            .product-title {
                font-size: 32px;
            }

            .price-amount {
                font-size: 44px;
            }

            .register-banner h2 {
                font-size: 38px;
            }

            .register-banner {
                padding: 40px 20px;
                min-height: 350px;
            }

            .register-section {
                padding: 40px 15px;
                margin-left: 10px;
                margin-right: 10px;
            }

            .register-title {
                font-size: 28px;
                margin-bottom: 15px;
            }

            .register-subtitle {
                font-size: 13px;
            }

            .register-hotline {
                font-size: 16px;
            }

            .register-form-container {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 0 10px;
                max-width: 100%;
            }

            .form-group input {
                padding: 12px 12px;
                font-size: 16px;
            }

            .btn-submit {
                padding: 12px 20px;
                font-size: 12px;
                height: 44px;
            }

            .main-image {
                height: 380px;
            }

            .top-banner {
                height: 180px;
            }

            .banner-title {
                font-size: 24px;
                letter-spacing: 2px;
            }

            .banner-eyebrow { font-size: 9.5px; letter-spacing: 2.5px; }
        }

        @media (max-width: 600px) {
            .top-banner {
                height: 145px;
            }

            .banner-title {
                font-size: 17px;
                letter-spacing: 1.5px;
            }

            .banner-subtitle {
                font-size: 11.5px;
                margin-top: 5px;
            }

            .banner-eyebrow { font-size: 8.5px; letter-spacing: 2px; }
            .banner-eyebrow::before, .banner-eyebrow::after { width: 20px; }

            .register-section {
                padding: 30px 10px;
                margin-left: 5px;
                margin-right: 5px;
                border-radius: 8px;
            }

            .register-title {
                font-size: 24px;
                margin-bottom: 12px;
                letter-spacing: 1px;
            }

            .register-subtitle {
                font-size: 12px;
                line-height: 1.4;
            }

            .register-hotline {
                font-size: 14px;
            }

            .register-support {
                font-size: 12px;
                margin-top: 8px;
            }

            .register-form-container {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 0 8px;
                margin-top: 20px;
            }

            .form-group input {
                padding: 10px 12px;
                font-size: 16px;
                border-radius: 4px;
            }

            .btn-submit {
                padding: 10px 15px;
                font-size: 11px;
                height: 40px;
                width: 100%;
                margin-top: 5px;
            }

            .register-banner {
                padding: 40px 15px;
                min-height: 280px;
            }

            .register-banner h2 {
                font-size: 28px;
                margin-bottom: 15px;
            }

            .register-form-section {
                padding: 35px 15px;
            }

            .form-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .form-submit {
                flex-direction: column;
                gap: 12px;
            }

            .content {
                padding: 20px 15px;
            }

            .product-title {
                font-size: 26px;
            }

            .price-amount {
                font-size: 36px;
            }

            .specs-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .main-image {
                height: 320px;
            }

            .thumbnail-grid {
                grid-template-columns: repeat(3, 1fr);
                aspect-ratio: 3 / 1; /* mobile 3 cột — giữ chỗ 1 hàng tương ứng */
            }

            .actions {
                grid-template-columns: 1fr;
            }

            .btn-primary {
                grid-column: 1;
            }
        }

        /* Thank you modal styles */
        .thank-you-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 9999;
            align-items: center;
            justify-content: center;
        }
        
        .thank-you-modal.show {
            display: flex;
        }
        
        .thank-you-content {
            background: white;
            padding: 36px 40px;
            border-radius: 16px;
            max-width: 450px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            animation: slideIn 0.4s ease-out;
        }
        
        .thank-you-icon {
            width: 70px;
            height: 70px;
            background: #4CAF50;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            margin: 0 auto 25px;
        }
        
        .thank-you-title {
            font-size: 28px;
            font-weight: bold;
            color: #1a2f4d;
            margin: 0 0 15px 0;
            letter-spacing: -0.5px;
        }
        
        .thank-you-subtitle {
            font-size: 14px;
            color: #666;
            margin: 0 0 20px 0;
            font-weight: 500;
        }
        
        .thank-you-text {
            font-size: 13px;
            color: #666;
            line-height: 1.8;
            margin: 0 0 20px 0;
        }
        
        .thank-you-phone {
            font-size: 18px;
            font-weight: bold;
            color: #E53935;
            margin: 20px 0;
            letter-spacing: 0.5px;
        }
        
        .thank-you-close {
            background: #1a2f4d;
            color: white;
            border: none;
            padding: 12px 40px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .thank-you-close:hover {
            background: #0f1e38;
        }

/* ===== STICKY CTA BAR ===== */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 9000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(10px);
            box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border-top: 2px solid #f0e8e0;
        }

        .sticky-cta.visible {
            transform: translateY(0);
        }

        .sticky-cta-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
            flex: 1;
        }

        .sticky-cta-name {
            font-size: 13px;
            font-weight: 700;
            color: #1a1a1a;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sticky-cta-price {
            font-size: 14px;
            font-weight: 800;
            color: #d4a574;
        }

        .sticky-cta-buttons {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .sticky-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 700;
            font-family: 'Montserrat', sans-serif;
            cursor: pointer;
            border: none;
            transition: all 0.25s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .sticky-btn-call {
            background: linear-gradient(135deg, #e74c3c, #c0392b);
            color: white;
        }

        .sticky-btn-call:hover {
            background: linear-gradient(135deg, #c0392b, #a93226);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(231,76,60,0.4);
        }

        .sticky-btn-register {
            background: linear-gradient(135deg, #d4a574, #c49560);
            color: white;
        }

        .sticky-btn-register:hover {
            background: linear-gradient(135deg, #c49560, #b8854c);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(212,165,116,0.4);
        }

        @media (max-width: 600px) {
            .sticky-cta {
                padding: 10px 14px;
                gap: 8px;
            }

            .sticky-cta-info {
                display: none;
            }

            .sticky-cta-buttons {
                width: 100%;
                gap: 8px;
            }

            .sticky-btn {
                flex: 1;
                justify-content: center;
                padding: 12px 10px;
                font-size: 12px;
            }
        }

        /* ===== RELATED PRODUCTS SECTION ===== */
        /* Mô tả chi tiết (dưới nút) */
        .rich-desc-section {
            max-width: 1200px;
            margin: 28px auto 0;
            padding: 30px 34px;
            background: #fff;
            border: 1px solid #ece5db;
            border-radius: 16px;
            box-shadow: 0 4px 18px rgba(0,0,0,.05);
        }
        .rich-desc-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 20px;
            font-weight: 800;
            color: #1e3a5f;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid #c9a961;
            display: inline-block;
        }
        .rich-desc-content { font-size: 15.5px; line-height: 1.9; color: #3a3a3a; }
        .rich-desc-content p { margin-bottom: 15px; }
        .rich-desc-content strong { color: #1e3a5f; }
        /* reset chung đặt padding:0 cho ul → dấu đầu dòng rơi ra ngoài khung.
           Trả lại lề cho danh sách trong mô tả (mẫu 3 "Liệt kê ưu điểm" và các
           mô tả viết tay có <ul>). */
        .rich-desc-content ul, .rich-desc-content ol { margin: 0 0 15px; padding-left: 24px; }
        .rich-desc-content li { margin-bottom: 9px; padding-left: 2px; }
        .rich-desc-content ul li { list-style: disc outside; }
        .rich-desc-content ol li { list-style: decimal outside; }
        .rich-desc-content li::marker { color: #1e3a5f; }
        @media(max-width:768px){ .rich-desc-section{padding:22px 18px;margin:20px 12px 0} .rich-desc-content{font-size:14.5px} .rich-desc-content ul,.rich-desc-content ol{padding-left:20px} }

        .related-section {
            background: #f9f7f4;
            padding: 40px 20px;
        }
        /* Tin tức chọn lọc (internal link → SEO) */
        .pdnews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;max-width:1200px;margin:0 auto}
        .pdnews-card{display:flex;flex-direction:column;background:#fff;border:1px solid #ececec;border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s}
        .pdnews-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,.1)}
        .pdnews-img{width:100%;height:132px;object-fit:cover;background:#eef0f2;display:block}
        .pdnews-body{padding:11px 13px 13px;display:flex;flex-direction:column;gap:6px;flex:1}
        .pdnews-title{font-size:14px;font-weight:700;color:#1e3a5f;line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
        .pdnews-date{font-size:12px;color:#8a94a6}
        .pdnews-more{margin-top:auto;font-size:12.5px;font-weight:700;color:#c9a961}

        .related-section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 22px;
            font-weight: 700;
            color: #2c2c2c;
            text-align: center;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .related-card {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            text-decoration: none;
            display: block;
            color: inherit;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.14);
        }

        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 12px 12px 0 0;
            display: block;
        }

        .related-card-img-placeholder {
            width: 100%;
            height: 180px;
            background: #e8e0d5;
            border-radius: 12px 12px 0 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #aaa;
            font-size: 13px;
        }

        .related-card-body {
            padding: 14px;
            font-family: 'Montserrat', sans-serif;
        }

        .related-card-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .related-card-name {
            font-size: 14px;
            font-weight: 700;
            color: #2c2c2c;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-price {
            font-size: 15px;
            font-weight: 800;
            color: #d4a574;
            margin-bottom: 10px;
        }

        .related-card-btn {
            display: block;
            width: 100%;
            padding: 8px 0;
            background: #d4a574;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-family: 'Montserrat', sans-serif;
            font-size: 13px;
            font-weight: 700;
            text-align: center;
            cursor: pointer;
            transition: background 0.2s;
        }

        .related-card-btn:hover {
            background: #c4925a;
        }

        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== LIGHTBOX ===== */
        .lightbox {
            position: fixed;
            inset: 0;
            z-index: 99999;
            display: none;
            background: rgba(0,0,0,0.95);
            align-items: center;
            justify-content: center;
        }
        .lightbox.open {
            display: flex;
        }
        .lightbox-overlay {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .lightbox-img-wrap {
            position: relative;
            z-index: 1;
            max-width: 92vw;
            max-height: 88vh;
            display: flex;
        }
        #lightboxImg {
            max-width: 92vw;
            max-height: 88vh;
            object-fit: contain;
            border-radius: 4px;
            transition: opacity 0.2s;
        }
        .lightbox-close {
            position: absolute;
            top: 16px;
            right: 20px;
            z-index: 2;
            background: rgba(255,255,255,0.15);
            border: none;
            color: white;
            font-size: 22px;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            cursor: pointer;
        }
        .lightbox-prev, .lightbox-next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 2;
            background: rgba(255,255,255,0.15);
            border: none;
            color: white;
            font-size: 24px;
            padding: 12px 16px;
            border-radius: 8px;
            cursor: pointer;
        }
        .lightbox-prev { left: 16px; }
        .lightbox-next { right: 16px; }
        .lightbox-counter {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255,255,255,0.8);
            font-size: 13px;
            z-index: 2;
        }
            /* ── Floating Contact Buttons ── */
        .fc-wrap{position:fixed;right:18px;top:190px;display:flex;flex-direction:column;gap:10px;z-index:900}
        .fc-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;border:2.5px solid rgba(255,255,255,.35);box-shadow:0 4px 16px rgba(0,0,0,.22);transition:transform .25s cubic-bezier(.22,.68,0,1.2),box-shadow .25s;position:relative;cursor:pointer;overflow:visible}
        .fc-btn:hover{transform:scale(1.15) translateX(-4px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
        .fc-btn::after{content:attr(data-label);position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%);background:rgba(20,20,20,.82);backdrop-filter:blur(4px);color:#fff;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;font-family:'Segoe UI',sans-serif}
        .fc-btn:hover::after{opacity:1}
        .fc-phone{background:linear-gradient(135deg,#ff5252,#c62828);box-shadow:0 4px 16px rgba(255,82,82,.35);position:relative}
        .fc-zalo{background:linear-gradient(135deg,#2196f3,#0061c8)}
        .fc-fb{background:linear-gradient(135deg,#1877f2,#0b4fa6)}
        .fc-phone::before{content:'';position:absolute;inset:0;border-radius:50%;background:rgba(255,82,82,.5);animation:fcRing 2.5s ease-out infinite;will-change:transform,opacity;pointer-events:none}
        @keyframes fcRing{0%{transform:scale(1);opacity:.7}100%{transform:scale(2.2);opacity:0}}
        @media(max-width:768px){.fc-wrap{top:auto;bottom:145px;right:14px}}