/* ==========================================================================
   HTD VIỆT NAM - CATEGORY DESIGN SYSTEM (DÙNG CHUNG CHO CÁC TRANG DANH MỤC)
   ========================================================================== */

@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css");

:root {
    --primary: #f79938;
    --primary-dark: #e06d3b;
    --primary-light: #ffb164;
    --cyan: #26b0e3;
    --cyan-dark: #1b8eba;
    --cyan-light: #4ad0ff;
    --yellow-star: #ffc107;
    --red-badge: #ef4444;
    --green-badge: #10b981;
    --text-dark: #0f172a;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --bg-light: #f8fafc;
    --bg-card: #ffffff;
    --white: #ffffff;
    --radius-sm: 7px;
    --radius-md: 7px;
    --radius-lg: 7px;
    --radius-xl: 7px;
    --radius-full: 7px;
    --shadow-cyan: 0 10px 25px rgba(38, 176, 227, 0.25);
    --shadow-orange: 0 10px 25px rgba(247, 153, 56, 0.25);
    --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 20px 40px rgba(15, 23, 42, 0.12);
    
    /* Hiệu ứng kính trong suốt (Glassmorphism) */
    --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    --glass-border: rgba(226, 232, 240, 0.85);
    --glass-border-highlight: rgba(38, 176, 227, 0.35); 
    --glass-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

/* Base Reset Box-Sizing */
.htd-category-wrapper,
.htd-category-wrapper *,
.htd-category-wrapper *::before,
.htd-category-wrapper *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base Font Inheritance */
.htd-category-wrapper,
.htd-category-wrapper h1,
.htd-category-wrapper h2,
.htd-category-wrapper h3,
.htd-category-wrapper h4,
.htd-category-wrapper h5,
.htd-category-wrapper h6,
.htd-category-wrapper p,
.htd-category-wrapper span:not([class*="fa-"]):not([class*="fa"]),
.htd-category-wrapper a,
.htd-category-wrapper button,
.htd-category-wrapper select,
.htd-category-wrapper input,
.htd-category-wrapper td,
.htd-category-wrapper th,
.htd-category-wrapper li,
.htd-category-wrapper small,
.htd-category-wrapper b,
.htd-category-wrapper strong {
    font-family: inherit;
}

/* BẢO TOÀN TUYỆT ĐỐI FONT ICON CHO FONT AWESOME SOLID & REGULAR & BRANDS */
.htd-category-wrapper i[class*="fa-"],
.htd-category-wrapper span[class*="fa-"],
.htd-category-wrapper i[class*="fa-"]::before,
.htd-category-wrapper span[class*="fa-"]::before,
.htd-category-wrapper i.fa-solid,
.htd-category-wrapper i.fas,
.htd-category-wrapper i.fa-regular,
.htd-category-wrapper i.far,
.htd-category-wrapper span.fa-solid,
.htd-category-wrapper span.fas,
.htd-category-wrapper span.fa-regular,
.htd-category-wrapper span.far,
.htd-category-wrapper i.fa-solid::before,
.htd-category-wrapper i.fas::before,
.htd-category-wrapper span.fa-solid::before,
.htd-category-wrapper span.fas::before {
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900 !important;
    font-style: normal !important;
    display: inline-block;
}

.htd-category-wrapper i.fa-regular,
.htd-category-wrapper i.far,
.htd-category-wrapper span.fa-regular,
.htd-category-wrapper span.far,
.htd-category-wrapper i.fa-regular::before,
.htd-category-wrapper i.far::before {
    font-weight: 400 !important;
}

.htd-category-wrapper i.fa-brands,
.htd-category-wrapper i.fab,
.htd-category-wrapper span.fa-brands,
.htd-category-wrapper span.fab,
.htd-category-wrapper i.fa-brands::before,
.htd-category-wrapper i.fab::before,
.htd-category-wrapper span.fa-brands::before,
.htd-category-wrapper span.fab::before {
    font-family: "Font Awesome 6 Brands" !important;
    font-weight: 400 !important;
    font-style: normal !important;
    display: inline-block;
}

body {
    margin: 0;
    padding: 0;
    background-color: #f8fafc;
    color: var(--text-main);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.htd-category-wrapper {
    width: 100%;
    max-width: 100%;
    position: relative;
    background-color: #f8fafc;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1536px;
    width: 92%;
    margin: 0 auto;
}

/* Typography styles */
.text-cyan { color: var(--cyan) !important; }
.text-orange { color: var(--primary) !important; }
.text-dark { color: var(--text-dark) !important; }
.text-muted { color: var(--text-muted) !important; }

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-dark);
}

/* Animations */
@keyframes textGradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animated-gradient-orange {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #ffbe76 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textGradientShift 5s ease infinite;
    display: inline-block;
}

.animated-gradient-cyan {
    background: linear-gradient(135deg, var(--cyan-dark) 0%, var(--cyan) 50%, var(--cyan-light) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textGradientShift 5s ease infinite;
    display: inline-block;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.6; }
}

.blinking-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--cyan);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 10px var(--cyan);
    animation: pulseGlow 1.8s infinite;
}

.blinking-dot-orange {
    background-color: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

/* Shimmer Button */
.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 50%;
    height: 200%;
    background: linear-gradient(60deg, transparent 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%);
    transform: rotate(25deg);
    animation: shimmerEffect 4s infinite ease-in-out;
}

@keyframes shimmerEffect {
    0% { left: -60%; }
    30%, 100% { left: 140%; }
}

/* Decorative Tech Lines */
.decor-lines {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.decor-lines .line-short, 
.decor-lines .line-long {
    height: 4px;
    border-radius: 2px;
    background-color: var(--cyan);
}
.decor-lines .line-short { width: 14px; }
.decor-lines .line-long { width: 36px; }

.decor-lines.orange .line-short,
.decor-lines.orange .line-long {
    background-color: var(--primary);
}

/* Ambient Box */
.ambient-blue {
    background-color: #ffffff;
    background-image: radial-gradient(at 0% 0%, rgba(38, 176, 227, 0.08) 0px, transparent 60%), 
                      radial-gradient(at 100% 100%, rgba(38, 176, 227, 0.05) 0px, transparent 60%);
    border: 1px solid rgba(38, 176, 227, 0.22);
}

.ambient-orange {
    background-color: #ffffff;
    background-image: radial-gradient(at 0% 0%, rgba(247, 153, 56, 0.08) 0px, transparent 60%), 
                      radial-gradient(at 100% 100%, rgba(247, 153, 56, 0.05) 0px, transparent 60%);
    border: 1px solid rgba(247, 153, 56, 0.22);
}

/* Badges */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    border: 1px solid var(--cyan);
    color: var(--cyan);
    box-shadow: 0 4px 15px rgba(38, 176, 227, 0.15);
}

.section-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

.badge-orange {
    border-color: var(--primary);
    color: var(--primary-dark) !important;
    box-shadow: 0 4px 15px rgba(247, 153, 56, 0.15);
}
.badge-orange::before {
    background-color: var(--primary);
    box-shadow: 0 0 8px var(--primary);
}

/* ==========================================================================
   1. BREADCRUMB & HERO BANNER (PHONG CÁCH GLASSMORPHISM)
   ========================================================================== */
.htd-tech-breadcrumb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin: 0 auto 20px auto;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 7px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    position: relative;
    z-index: 5;
}

.htd-tech-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.htd-tech-breadcrumb a:hover {
    color: var(--cyan);
}

.htd-tech-breadcrumb .bc-sep {
    font-size: 11px;
    color: #cbd5e1;
}

.htd-tech-breadcrumb .bc-current {
    color: var(--primary-dark);
    font-weight: 600;
}

.htd-cat-nav-wrapper,
.cat-quick-tabs,
.floating-badge {
    display: none !important;
}

/* ==========================================================================
   2. CATEGORY HERO BANNER (GLASSMORPHISM LUXURY)
   ========================================================================== */
.cat-hero-section {
    position: relative;
    padding: 35px 0 45px;
    background: radial-gradient(at 0% 0%, rgba(38, 176, 227, 0.14) 0px, transparent 50%),
                radial-gradient(at 100% 100%, rgba(247, 153, 56, 0.12) 0px, transparent 50%),
                linear-gradient(135deg, #f8fafc 0%, #f0f9ff 50%, #fff7ed 100%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
}

.cat-hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Floating Ambient Orbs */
.cat-hero-section .bg-shape {
    position: absolute;
    right: -5%;
    top: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(38, 176, 227, 0.28) 0%, rgba(38, 176, 227, 0.06) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    z-index: 1;
    animation: floatOrb 8s infinite alternate ease-in-out;
}

.cat-hero-section::before {
    content: '';
    position: absolute;
    left: -5%;
    bottom: -15%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(247, 153, 56, 0.22) 0%, rgba(247, 153, 56, 0.05) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    z-index: 1;
    animation: floatOrb2 10s infinite alternate ease-in-out;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 30px) scale(1.1); }
}

@keyframes floatOrb2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, -20px) scale(1.15); }
}

/* Frosted Glass Grid Panel / Hero Card */
.cat-hero-grid,
.cat-hero-card {
    width: 100%;
    max-width: 1536px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.06), inset 0 1px 2px rgba(255, 255, 255, 0.95);
    border-radius: 7px;
    padding: 40px 36px 36px;
}

.cat-hero-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cat-hero-content .section-badge {
    margin: 0 auto 14px auto;
}

.cat-hero-content .decor-lines {
    justify-content: center;
    margin: 0 auto 16px auto;
}

.cat-hero-content h1 {
    font-size: 2.35rem;
    line-height: 1.25;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.cat-hero-content .cat-hero-sub {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 22px;
    text-align: center;
}

/* Hero Visual for Main Product Image (No Background - Centered in flow) */
.cat-hero-visual {
    position: relative;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    width: 100%;
}

.cat-hero-visual .main-img-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
}

.cat-hero-visual img {
    max-width: 100%;
    height: auto;
    max-height: 270px;
    object-fit: contain;
    filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.2));
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.cat-hero-visual:hover img {
    transform: scale(1.06) translateY(-4px);
    filter: drop-shadow(0 25px 40px rgba(0, 0, 0, 0.26));
}

.cat-hero-content p.cat-hero-desc {
    font-size: 15.5px;
    color: var(--text-muted);
    margin: 0 auto;
    line-height: 1.75;
    max-width: 800px;
    text-align: center;
}

/* Hero Key USPs (Frosted Glass Pills) */
.cat-hero-usps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
}

.usp-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 7px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.25s ease;
}

.usp-pill:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 20px rgba(38, 176, 227, 0.12);
    border-color: rgba(38, 176, 227, 0.4);
}

.usp-pill i {
    color: var(--cyan);
    font-size: 15px;
}

.usp-pill.highlight {
    border-color: rgba(247, 153, 56, 0.4);
    background: rgba(254, 243, 199, 0.75);
}
.usp-pill.highlight i {
    color: var(--primary);
}

.floating-badge i {
    color: var(--primary);
    font-size: 18px;
}

/* ==========================================================================
   3. FILTER TOOLBAR & CONTROLS
   ========================================================================== */
.cat-main-content-section {
    padding: 40px 0 70px;
}

.filter-sticky-toolbar {
    display: none !important;
}

.filter-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid #f1f5f9;
}

.filter-tags-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-tag-btn {
    padding: 6px 16px;
    border-radius: 7px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: var(--text-main);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-tag-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan-dark);
}

.filter-tag-btn.active {
    background: var(--text-dark);
    color: #ffffff;
    border-color: var(--text-dark);
}

.filter-controls-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.product-count-badge {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.product-count-badge b {
    color: var(--cyan-dark);
}

.sort-dropdown-wrap select {
    padding: 8px 14px;
    border-radius: 7px;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-dark);
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.sort-dropdown-wrap select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(38, 176, 227, 0.15);
}

/* Secondary Filter Row */
.filter-sub-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 16px;
}

.filter-group-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.filter-pill-opt {
    padding: 5px 12px;
    border-radius: 7px;
    font-size: 12.5px;
    font-weight: 600;
    background: #f1f5f9;
    color: var(--text-muted);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.filter-pill-opt:hover {
    color: var(--cyan-dark);
    background: #e2e8f0;
}

.filter-pill-opt.active {
    background: rgba(38, 176, 227, 0.12);
    color: var(--cyan-dark);
    border-color: var(--cyan);
}

/* ==========================================================================
   4. PRODUCT GRID & CARDS (DESKTOP CHUẨN 4 CỘT)
   ========================================================================== */
.product-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 24px !important;
    margin-bottom: 50px;
    width: 100%;
    box-sizing: border-box;
}

.product-card {
    background: #ffffff;
    border-radius: 7px;
    border: 1px solid rgba(247, 153, 56, 0.35);
    padding: 20px 18px 18px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow-card);
    min-width: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(247, 153, 56, 0.12);
    border-color: var(--primary);
}

.product-card.card-featured {
    border-color: rgba(247, 153, 56, 0.45);
    background-image: radial-gradient(at 100% 0%, rgba(247, 153, 56, 0.05) 0px, transparent 60%);
}

/* Badges on Card (Đã ẩn toàn bộ) */
.card-badge-top,
.prod-badge,
.badge-discount,
.category-badge-tag,
.product-card .category-badge-tag,
.product-card [class*="badge-"] {
    display: none !important;
}

/* Product Thumbnail */
.product-card-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    padding: 12px;
    border-radius: 7px;
    background: #f8fafc;
    overflow: hidden;
    box-sizing: border-box;
}

.product-card-thumb img {
    max-width: 92%;
    max-height: 92%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card-thumb img {
    transform: scale(1.08);
}

/* Product Info */
.product-card-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.product-category-sub {
    display: none !important;
}

.product-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.35;
    min-height: 44px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.product-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.product-card-title a:hover {
    color: var(--primary);
}

/* Specs Chips */
.product-specs-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 12px;
    min-width: 0;
    width: 100%;
}

.spec-chip {
    font-size: 11.5px;
    padding: 3px 8px;
    border-radius: 7px;
    background: #f1f5f9;
    color: #475569;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.spec-chip i {
    font-size: 11px;
    color: var(--cyan);
    flex-shrink: 0;
}

/* GIFT BOX PHẦN QUÀ TẶNG TRONG SẢN PHẨM */
.product-gift-box {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: #ecfdf5;
    border: 1px dashed #10b981;
    border-radius: 7px;
    margin-bottom: 14px;
    font-size: 12px;
    font-weight: 600;
    color: #047857;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.product-gift-box .gift-icon {
    font-size: 13px;
    line-height: 1;
    flex-shrink: 0;
}

.product-gift-box .gift-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

/* PRODUCT FOOTER: GIÁ TIỀN & NÚT CHI TIẾT NGANG HÀNG */
.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.product-price-box {
    margin: 0;
    display: flex;
    align-items: baseline;
    min-width: 0;
    flex-shrink: 1;
}

.current-price {
    font-size: 18px;
    font-weight: 800;
    color: #dc2626;
    letter-spacing: -0.2px;
    white-space: nowrap;
}

.old-price {
    display: none !important;
}

/* Button Chi Tiết Đứng Ngang Hàng */
.btn-card-detail {
    padding: 8px 16px;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    color: #ffffff !important;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    border: none;
    box-shadow: 0 3px 10px rgba(38, 176, 227, 0.25);
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-card-detail:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(38, 176, 227, 0.4);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.btn-card-buy {
    display: none !important;
}ground: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.btn-card-buy {
    display: none !important;
}

/* ==========================================================================
   5. COMPARISON SPECS MATRIX
   ========================================================================== */
.specs-matrix-section {
    background: linear-gradient(180deg, #ffffff 0%, #fffbf6 50%, #fff6ed 100%);
    border-radius: 14px;
    border: 1.5px solid rgba(247, 153, 56, 0.45);
    padding: 42px 36px;
    box-shadow: 0 16px 45px rgba(247, 153, 56, 0.08), inset 0 1px 2px rgba(255, 255, 255, 1);
    margin-bottom: 70px;
    transition: transform 0.35s cubic-bezier(0.2, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.specs-matrix-section:hover {
    border-color: var(--primary);
    box-shadow: 0 22px 55px rgba(247, 153, 56, 0.15);
}

.section-head-title {
    margin-bottom: 28px;
    text-align: center;
}

.section-head-title h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.section-head-title p {
    color: var(--text-muted);
    font-size: 15px;
}

.specs-table-wrapper {
    overflow-x: auto;
    border-radius: 10px;
    border: 1px solid rgba(247, 153, 56, 0.25);
    background: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    text-align: left;
}

.specs-table th, 
.specs-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #f1f5f9;
    border-right: 1px solid #f1f5f9;
}

.specs-table th {
    background: #f8fafc;
    color: var(--text-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12.5px;
    letter-spacing: 0.4px;
}

.specs-table tr:hover td {
    background: #f8fafc;
}

.specs-table td.col-model {
    font-weight: 700;
    color: var(--cyan-dark);
}

.specs-table td.col-price {
    font-weight: 700;
    color: #dc2626;
}

.check-icon { color: #10b981; font-weight: bold; }
.cross-icon { color: #94a3b8; }

/* ==========================================================================
   5B. VERTICAL FEATURE HIGHLIGHT SECTION (BADGE -> ẢNH -> TIÊU ĐỀ -> MÔ TẢ)
   ========================================================================== */
.category-zigzag-section {
    margin-bottom: 90px;
}

.category-zigzag-section .section-head-title {
    margin-bottom: 55px;
}

.category-zigzag-wrap {
    display: flex;
    flex-direction: column;
    gap: 95px;
}

.feature-highlight-section {
    position: relative;
    z-index: 1;
    width: 100%;
}

/* ÁNH SÁNG AMBIENT CAM ẤM ÁP CHUẨN TRANG CHỦ */
.feature-highlight-section::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(247, 153, 56, 0.28) 0%, rgba(247, 153, 56, 0.1) 45%, transparent 70%);
    filter: blur(55px);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.feature-highlight-section::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 153, 56, 0.22) 0%, rgba(255, 200, 140, 0.1) 45%, transparent 70%);
    filter: blur(55px);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

/* CARD GLASSMORPHISM CHUẨN SECTION SẢN PHẨM TRANG CHỦ */
.fh-glass-panel {
    position: relative;
    z-index: 1;
    padding: 48px 36px 36px;
    border-radius: 14px;
    
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.25) 100%) padding-box,
        linear-gradient(180deg, rgba(247, 153, 56, 0.95) 0%, rgba(247, 153, 56, 0.25) 55%, rgba(247, 153, 56, 0) 100%) border-box;
    border: 2px solid transparent; 
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.05), 
        0 15px 25px rgba(247, 153, 56, 0.08), 
        inset 0 2px 4px rgba(255, 255, 255, 1), 
        inset 0 -2px 5px rgba(247, 153, 56, 0.1);
    
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.3, 1), box-shadow 0.4s ease, background 0.4s ease;
    max-width: 1536px;
    width: 100%;
    margin: 0 auto;
}

.fh-glass-panel:hover {
    transform: translateY(-4px);
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.4) 100%) padding-box,
        linear-gradient(180deg, rgba(247, 153, 56, 1) 0%, rgba(247, 153, 56, 0.45) 60%, rgba(247, 153, 56, 0.05) 100%) border-box;
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.06), 
        0 20px 35px rgba(247, 153, 56, 0.12), 
        inset 0 2px 4px rgba(255, 255, 255, 1),
        inset 0 -2px 5px rgba(247, 153, 56, 0.2);
}

/* 1. TOP BADGE OVERLAPPING TOP BORDER (LỆCH TRÁI, FONT-SIZE 18PX, RADIUS 7PX) */
.fh-card-badge-wrap {
    position: absolute;
    top: 0;
    left: 40px;
    transform: translateY(-50%);
    z-index: 10;
    margin-bottom: 0;
    display: flex;
    white-space: nowrap;
}

.fh-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 24px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--primary-dark);
    background: #ffffff;
    border-radius: 7px;
    border: 2px solid rgba(247, 153, 56, 0.85);
    box-shadow: 0 5px 16px rgba(247, 153, 56, 0.18);
    text-transform: uppercase;
}

.fh-card-badge .badge-dot {
    color: var(--primary);
    font-size: 13px;
    line-height: 1;
}

/* HEADER WRAP (TIÊU ĐỀ ĐỨNG TRƯỚC HÌNH ẢNH) */
.fh-header-wrap {
    margin-bottom: 22px;
    text-align: center;
}

/* 2. IMAGE CONTAINER (THU NHỎ GỌN GÀNG CÂN ĐỐI) */
.fh-card-visual {
    width: 100%;
    max-width: 820px;
    margin: 0 auto 24px auto;
    border-radius: 12px;
    overflow: hidden;
    background: #0f172a;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fh-card-visual img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.fh-glass-panel:hover .fh-card-visual img {
    transform: scale(1.02);
}

/* INDICATOR DASHES */
.fh-decor-dashes {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 auto 14px auto;
}

.fh-decor-dashes .dash {
    height: 4px;
    border-radius: 2px;
}

.fh-decor-dashes .dash-orange {
    width: 24px;
    background-color: var(--primary);
}

.fh-decor-dashes .dash-cyan {
    width: 44px;
    background-color: var(--cyan);
}

/* 3. TITLE */
.fh-card-title {
    font-size: 1.65rem;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 12px;
    line-height: 1.35;
    font-weight: 800;
    text-transform: uppercase;
}

.fh-card-title span.text-orange {
    color: var(--primary) !important;
    display: block;
    margin-top: 4px;
    font-size: 1.45rem;
}

.fh-card-title span.text-cyan {
    color: var(--cyan-dark) !important;
    display: block;
    margin-top: 4px;
    font-size: 1.45rem;
}

/* 4. DESCRIPTION */
.fh-card-desc {
    font-size: 15.5px;
    color: var(--text-muted);
    line-height: 1.75;
    text-align: center;
    max-width: 980px;
    margin: 0 auto 26px auto;
}

/* SUB-FEATURES GRID - THIẾT KẾ LÕM VÀO (CONCAVE GLASSMORPHISM NHƯ TRANG CHỦ) */
.fh-sub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 14px;
}

.fh-sub-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.025);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    border-left: 1px solid rgba(0, 0, 0, 0.04);
    border-right: 1px solid rgba(247, 153, 56, 0.25);
    border-bottom: 1px solid rgba(247, 153, 56, 0.45);
    box-shadow: 
        inset 0 4px 8px rgba(0, 0, 0, 0.06), 
        inset 0 2px 3px rgba(0, 0, 0, 0.04), 
        inset 0 -6px 12px rgba(255, 255, 255, 0.85), 
        inset 0 -1px 2px rgba(247, 153, 56, 0.15),
        0 1px 2px rgba(255, 255, 255, 0.8);
    transition: all 0.3s cubic-bezier(0.2, 1, 0.3, 1);
    overflow: hidden;
}

.fh-sub-item:hover {
    transform: translateY(-4px);
    background: rgba(247, 153, 56, 0.04);
    border-color: rgba(247, 153, 56, 0.5);
    box-shadow: 
        inset 0 3px 6px rgba(0, 0, 0, 0.04),
        0 10px 25px rgba(247, 153, 56, 0.15),
        inset 0 -4px 10px rgba(255, 255, 255, 0.95);
}

.fh-sub-item .fh-icon {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: #ffffff;
    border: 1px solid rgba(247, 153, 56, 0.3);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(247, 153, 56, 0.12), inset 0 1px 2px rgba(255, 255, 255, 1);
}

.fh-sub-item:hover .fh-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    transform: scale(1.08);
    box-shadow: 0 6px 16px rgba(247, 153, 56, 0.35);
    border-color: transparent;
}

.fh-sub-item .fh-text h4 {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
    line-height: 1.35;
}

.fh-sub-item .fh-text p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

/* ==========================================================================
   5B. HTD EXCLUSIVE ECOSYSTEM SECTION
   ========================================================================== */
.ecosystem-section {
    margin-bottom: 60px;
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.eco-card {
    background: #ffffff;
    border-radius: 7px;
    border: 1px solid #e2e8f0;
    padding: 24px 22px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.eco-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(38, 176, 227, 0.45);
}

.eco-card.eco-featured {
    border-color: rgba(247, 153, 56, 0.35);
    background-image: radial-gradient(at 100% 0%, rgba(247, 153, 56, 0.04) 0px, transparent 60%);
}

.eco-card.eco-featured:hover {
    border-color: var(--primary);
    box-shadow: 0 14px 30px rgba(247, 153, 56, 0.12);
}

.eco-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.eco-icon-wrap {
    width: 46px;
    height: 46px;
    border-radius: 7px;
    background: rgba(38, 176, 227, 0.12);
    color: var(--cyan-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.eco-card:hover .eco-icon-wrap {
    transform: scale(1.08);
}

.eco-card.eco-featured .eco-icon-wrap {
    background: rgba(247, 153, 56, 0.12);
    color: var(--primary);
}

.eco-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cyan-dark);
    background: rgba(38, 176, 227, 0.08);
    padding: 2px 8px;
    border-radius: 7px;
    display: inline-block;
    margin-bottom: 3px;
}

.eco-card.eco-featured .eco-tag {
    color: var(--primary-dark);
    background: rgba(247, 153, 56, 0.1);
}

.eco-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.eco-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.eco-features-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
}

.eco-features-mini span {
    font-size: 11.5px;
    font-weight: 600;
    color: #475569;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 3px 8px;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.eco-features-mini span i {
    font-size: 10.5px;
    color: var(--cyan);
}

.eco-card.eco-featured .eco-features-mini span i {
    color: var(--primary);
}

/* ==========================================================================
   6. BUYER'S GUIDE & TIPS SECTION (LUXURY REDESIGN)
   ========================================================================== */
.buyer-guide-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 60px;
}

.guide-panel {
    background: #ffffff;
    border-radius: 7px;
    border: 1px solid #e2e8f0;
    padding: 32px 28px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.guide-panel.panel-blue {
    border-top: 4px solid var(--cyan);
}

.guide-panel.panel-orange {
    border-top: 4px solid var(--primary);
}

.guide-panel-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
}

.guide-panel-icon {
    width: 48px;
    height: 48px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.panel-blue .guide-panel-icon {
    background: rgba(38, 176, 227, 0.12);
    color: var(--cyan-dark);
}

.panel-orange .guide-panel-icon {
    background: rgba(247, 153, 56, 0.12);
    color: var(--primary-dark);
}

.guide-panel-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.guide-items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.guide-item-card {
    background: #f8fafc;
    border: 1px solid #edf2f7;
    border-radius: 7px;
    padding: 16px 18px;
    transition: all 0.25s ease;
}

.guide-item-card:hover {
    background: #ffffff;
    border-color: rgba(38, 176, 227, 0.35);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
    transform: translateX(4px);
}

.panel-orange .guide-item-card:hover {
    border-color: rgba(247, 153, 56, 0.35);
}

.guide-item-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.guide-item-title i {
    color: var(--cyan);
    font-size: 14px;
}

.panel-orange .guide-item-title i {
    color: var(--primary);
}

.guide-item-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ==========================================================================
   7. CATEGORY FAQ ACCORDION
   ========================================================================== */
.cat-faq-section {
    background: #ffffff;
    border-radius: 7px;
    border: 1px solid #e2e8f0;
    padding: 40px;
    box-shadow: var(--shadow-card);
    margin-bottom: 60px;
}

.cat-faq-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #e2e8f0;
    border-radius: 7px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.faq-item.active {
    border-color: var(--cyan);
}

.faq-question {
    padding: 16px 20px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    color: var(--text-dark);
    transition: background 0.2s ease;
}

.faq-question:hover {
    background: #f1f5f9;
}

.faq-question i {
    color: var(--cyan);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.7;
    background: #ffffff;
}

.faq-item.active .faq-answer {
    padding: 18px 20px;
    max-height: 300px;
}

/* ==========================================================================
   8. BRAND COMMITMENTS & WARRANTY SECTION
   ========================================================================== */
.brand-commit-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 7px;
    padding: 45px 35px;
    color: #ffffff;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.brand-commit-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: radial-gradient(circle, rgba(247, 153, 56, 0.15) 0%, transparent 70%);
}

.commit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    position: relative;
    z-index: 2;
}

.commit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.commit-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.commit-item h4 {
    font-size: 15.5px;
    font-weight: 700;
    color: #ffffff;
}

.commit-item p {
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.5;
}

/* ==========================================================================
   9. STICKY BOTTOM QUICK CTA (MOBILE)
   ========================================================================== */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    padding: 10px 16px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    border-top: 1px solid #e2e8f0;
}

.mobile-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.mobile-cta-btn {
    flex: 1;
    padding: 11px 0;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.mobile-btn-call {
    background: #f1f5f9;
    color: var(--text-dark);
    border: 1px solid #cbd5e1;
}

.mobile-btn-zalo {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff !important;
}

/* ==========================================================================
   10. RESPONSIVE BREAKPOINTS (PC: 4 CỘT - MOBILE: 2 CỘT)
   ========================================================================== */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 20px !important;
    }
}

@media (max-width: 992px) {
    .cat-hero-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .cat-hero-content h1 {
        font-size: 2.1rem;
    }
    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 16px !important;
    }
    .category-zigzag-wrap {
        gap: 80px;
    }
    .fh-sub-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .ecosystem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .buyer-guide-section {
        grid-template-columns: 1fr;
    }
    .commit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* MOBILE & TABLET DỌC: CHUẨN 2 CỘT THEO THIẾT KẾ */
@media (max-width: 768px) {
    .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 10px !important;
        box-sizing: border-box !important;
    }
    .cat-hero-section {
        padding: 30px 0 25px;
    }
    .cat-hero-grid,
    .cat-hero-card {
        padding: 28px 18px 24px;
    }
    .cat-hero-content h1 {
        font-size: 1.75rem;
    }
    .cat-hero-visual img {
        max-height: 210px;
    }

    /* 2 CỘT SẢN PHẨM TRÊN MOBILE */
    .product-grid {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 10px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        margin-bottom: 40px !important;
    }

    .product-card {
        background: #ffffff !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 8px !important;
        padding: 12px 10px 10px !important;
        min-width: 0 !important;
        overflow: hidden !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
        box-sizing: border-box !important;
        display: flex !important;
        flex-direction: column !important;
    }

    .product-card-thumb {
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 1 / 1 !important;
        padding: 6px !important;
        margin-bottom: 8px !important;
        border-radius: 6px !important;
        background: #f8fafc !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        overflow: hidden !important;
    }

    .product-card-thumb img {
        max-width: 90% !important;
        max-height: 90% !important;
        object-fit: contain !important;
    }

    .product-card-title {
        font-size: 13.5px !important;
        font-weight: 700 !important;
        color: #0f172a !important;
        min-height: 36px !important;
        margin-bottom: 8px !important;
        line-height: 1.35 !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
    }

    .product-specs-list {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 4px !important;
        margin-bottom: 8px !important;
        width: 100% !important;
    }

    .spec-chip {
        font-size: 10px !important;
        padding: 2.5px 6px !important;
        border-radius: 4px !important;
        background: #f1f5f9 !important;
        color: #334155 !important;
        font-weight: 600 !important;
        border: 1px solid #e2e8f0 !important;
        gap: 3px !important;
        white-space: nowrap !important;
        box-sizing: border-box !important;
    }

    .spec-chip i {
        font-size: 9px !important;
        color: var(--cyan) !important;
    }

    .product-gift-box {
        font-size: 11px !important;
        padding: 4px 8px !important;
        background: #f0fdf4 !important;
        border: 1px dashed #22c55e !important;
        border-radius: 6px !important;
        margin-bottom: 10px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        display: flex !important;
        align-items: center !important;
        gap: 5px !important;
        color: #15803d !important;
        font-weight: 600 !important;
    }

    .product-gift-box .gift-icon {
        font-size: 12px !important;
        flex-shrink: 0 !important;
    }

    .product-gift-box .gift-text {
        font-size: 11px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        min-width: 0 !important;
    }

    .product-card-footer {
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        margin-top: auto !important;
        padding-top: 6px !important;
        border-top: none !important;
        box-sizing: border-box !important;
        width: 100% !important;
    }

    .product-price-box {
        margin: 0 !important;
        width: 100% !important;
    }

    .current-price {
        font-size: 16px !important;
        font-weight: 800 !important;
        color: #dc2626 !important;
        letter-spacing: -0.2px !important;
        white-space: nowrap !important;
    }

    /* Ẩn nút Chi tiết trên mobile để bố cục 2 cột thoáng và khớp đúng mẫu */
    .btn-card-detail {
        display: none !important;
    }

    .category-zigzag-wrap {
        gap: 65px;
    }
    .category-zigzag-section .section-head-title {
        margin-bottom: 42px;
    }
    .fh-glass-panel {
        padding: 38px 18px 22px;
        overflow: hidden;
    }
    .fh-card-badge-wrap {
        left: 20px;
    }
    .fh-card-badge {
        font-size: 15.5px;
        padding: 7px 18px;
        gap: 8px;
    }
    .fh-card-badge .badge-dot {
        font-size: 11.5px;
    }
    .fh-card-visual {
        margin-bottom: 16px;
    }
    .fh-card-visual img {
        max-height: 280px;
    }
    .fh-card-title {
        font-size: 1.35rem;
    }
    .fh-card-title span.text-orange,
    .fh-card-title span.text-cyan {
        font-size: 1.2rem;
    }
    .fh-card-desc {
        font-size: 13.5px;
        margin-bottom: 18px;
    }
    .fh-sub-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .filter-top-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .filter-controls-right {
        width: 100%;
        justify-content: space-between;
    }
    .ecosystem-grid {
        grid-template-columns: 1fr;
    }
    .specs-matrix-section,
    .cat-faq-section {
        padding: 24px 16px;
    }
    .brand-commit-section {
        padding: 30px 20px;
    }
    .mobile-sticky-cta {
        display: block;
    }
    .htd-category-wrapper {
        padding-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 8px !important;
    }
    .product-grid {
        gap: 8px !important;
    }
    .product-card {
        padding: 10px 8px 8px !important;
    }
    .product-card-thumb {
        height: auto !important;
        aspect-ratio: 1 / 1 !important;
    }
    .product-card-title {
        font-size: 13px !important;
        min-height: 34px !important;
    }
    .spec-chip {
        font-size: 9.5px !important;
        padding: 2px 5px !important;
        gap: 2px !important;
    }
    .product-gift-box {
        font-size: 10px !important;
        padding: 3px 6px !important;
    }
    .product-gift-box .gift-text {
        font-size: 10px !important;
    }
    .current-price {
        font-size: 15px !important;
    }
}

/* ==========================================================================
   HTD VIỆT NAM - ALL PRODUCTS PAGE STYLES (/san-pham/)
   Modern Clean Automotive Tech Dashboard Style - VIBRANT EDITION
   ========================================================================== */
.cat-group-section {
    position: relative;
    margin-bottom: 75px;
    scroll-margin-top: 30px;
}

/* Modern Clean Tech Category Group Header (Vibrant Gradient Glass) */
.cat-group-header {
    position: relative;
    background: #ffffff;
    border-radius: 14px;
    padding: 26px 34px;
    margin-bottom: 30px;
    border: 1.5px solid #e2e8f0;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(0, 0, 0, 0.02);
    overflow: hidden;
    z-index: 1;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

/* Đảm bảo toàn bộ chữ trong cat-group-header kế thừa font inherit của website */
.cat-group-header,
.cat-group-header *:not(i):not([class*="fa-"]):not([class*="fa"]) {
    font-family: inherit !important;
}

/* Đồng bộ 100% Màu Cam Thương Hiệu HTD cho Tất Cả Category */
.cat-group-header {
    background: linear-gradient(135deg, rgba(254, 243, 199, 0.5) 0%, #ffffff 40%, rgba(255, 237, 213, 0.45) 100%);
    border-color: rgba(247, 153, 56, 0.3);
    box-shadow: 0 14px 40px rgba(247, 153, 56, 0.12), 0 2px 8px rgba(0, 0, 0, 0.03);
}

/* Glowing Top Accent LED Bar (Cam HTD Phát Sáng) */
.cat-group-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #f79938 0%, #ff8a00 50%, #f59e0b 100%);
    box-shadow: 0 2px 14px rgba(247, 153, 56, 0.7);
    z-index: 2;
}

/* Subtle corner tech light orb (Ánh Cam Thương Hiệu) */
.cat-group-header::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(247, 153, 56, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.cat-group-header:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 48px rgba(247, 153, 56, 0.2), 0 4px 12px rgba(0, 0, 0, 0.04);
    border-color: rgba(247, 153, 56, 0.5);
}

/* Top Meta Bar */
.cat-header-top-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.cat-header-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 5px 12px;
    border-radius: 6px;
    color: #c2410c;
    background: rgba(247, 153, 56, 0.14);
    border: 1px solid rgba(247, 153, 56, 0.35);
}

.cat-header-count {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    font-weight: 700;
    color: #334155;
    background: #ffffff;
    padding: 5px 12px;
    border-radius: 6px;
    border: 1px solid #cbd5e1;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
}

.cat-header-count::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    display: inline-block;
}

.cat-header-deco-line {
    flex: 1;
    height: 1.5px;
    background: linear-gradient(90deg, rgba(247, 153, 56, 0.35) 0%, rgba(247, 153, 56, 0) 100%);
}

/* Main Content Row */
.cat-header-main-row {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 30px;
    align-items: center;
}

/* Identity Area: 3D Gradient Icon + Title */
.cat-header-identity {
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 270px;
}

.cat-header-icon-box {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    flex-shrink: 0;
    color: #ffffff !important;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    background: linear-gradient(135deg, #f79938 0%, #ea580c 100%);
    box-shadow: 0 10px 24px rgba(247, 153, 56, 0.45);
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.cat-group-header:hover .cat-header-icon-box {
    transform: scale(1.12) rotate(4deg);
}

.cat-header-title-text {
    display: flex;
    flex-direction: column;
}

.cat-header-title-text h2 {
    font-family: inherit !important;
    font-size: 1.75rem;
    font-weight: 850;
    color: #0f172a;
    margin: 0 0 4px 0;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.cat-header-sub-label {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #d97706;
}

/* Description Area */
.cat-header-desc-area {
    border-left: 2px solid rgba(247, 153, 56, 0.3);
    padding-left: 22px;
}

.cat-header-desc-area p {
    font-size: 14px;
    color: #334155;
    line-height: 1.65;
    margin: 0;
    max-width: 660px;
    font-weight: 500;
}

/* Action Area & Vibrant Action Button (Cam HTD) */
.cat-header-action-area .btn-cat-view-all {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 750;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, #f79938 0%, #ea580c 100%);
    box-shadow: 0 8px 22px rgba(247, 153, 56, 0.45);
}

.cat-header-action-area .btn-cat-view-all:hover {
    background: linear-gradient(135deg, #ffaa4d 0%, #f97316 100%);
    box-shadow: 0 12px 28px rgba(247, 153, 56, 0.6);
    transform: translateY(-2.5px) scale(1.02);
}

.cat-header-action-area .btn-cat-view-all i {
    transition: transform 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    font-size: 10px;
}

.cat-header-action-area .btn-cat-view-all:hover i {
    transform: translateX(3px);
    background: rgba(255, 255, 255, 0.35);
}

/* Category Quick Jump Bar */
.category-jump-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 50px;
    padding: 16px 20px;
    background: #ffffff;
    border-radius: 12px;
    border: 1.5px solid rgba(247, 153, 56, 0.25);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.jump-pill {
    padding: 9px 18px;
    border-radius: 7px;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s ease;
}

.jump-pill:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(247, 153, 56, 0.3);
}

.jump-pill-count {
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.07);
}

.jump-pill:hover .jump-pill-count {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

@media (max-width: 992px) {
    .cat-group-header {
        padding: 20px 20px;
    }
    .cat-header-main-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .cat-header-identity {
        min-width: unset;
    }
    .cat-header-action-area .btn-cat-view-all {
        width: 100%;
        justify-content: center;
    }
    .category-jump-nav {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding: 12px 14px;
    }
    .jump-pill {
        white-space: nowrap;
        font-size: 13px;
        padding: 7px 14px;
    }
}

@media (max-width: 576px) {
    .cat-group-header {
        padding: 18px 16px;
        border-radius: 10px;
    }
    .cat-header-icon-box {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 19px;
    }
    .cat-header-title-text h2 {
        font-size: 1.35rem;
    }
    .cat-header-desc-area p {
        font-size: 13px;
        line-height: 1.6;
    }
}