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

:root {
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --bg-warm: #faf9f7;
    --card: #ffffff;
    --primary: #1e3a5f;
    --primary-light: #2d5a8a;
    --accent: #c9a96e;
    --accent-light: #d4b87a;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 4px 6px rgba(0, 0, 0, 0.02), 0 12px 24px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 0 0 1px var(--border), 0 2px 8px rgba(0, 0, 0, 0.03);
    --shadow-card-hover: 0 0 0 1px var(--border-light), 0 8px 24px rgba(0, 0, 0, 0.06);
    --radius: 8px;
    --radius-lg: 12px;
    --container: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

input,
textarea,
select,
button {
    font: inherit;
    color: inherit;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.site-main {
    min-height: calc(100vh - 320px);
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px) saturate(1.2);
    transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.header-bar {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: inherit;
    min-width: 0;
}

.site-brand img {
    height: 72px;
    width: auto;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand-text strong {
    font-size: 19px;
    line-height: 1.2;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-text span {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    position: relative;
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--bg-soft);
}

.main-nav a.active {
    color: var(--primary);
    background: rgba(30, 58, 95, 0.06);
}

.header-contact-box {
    text-decoration: none;
    color: var(--primary);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 170px;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
}

.header-contact-box:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1), var(--shadow);
}

.header-contact-box span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.header-contact-box strong {
    font-size: 16px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--primary);
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    padding: 9px;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--text);
    margin: 4px 0;
    border-radius: 2px;
    transition: all 0.2s ease;
}

main,
section {
    display: block;
}

/* ===== Sections ===== */
.page-section {
    padding: 56px 0;
}

.section-tight {
    padding-top: 24px;
    padding-bottom: 20px;
}

.section-head {
    margin-bottom: 56px;
    text-align: center;
}

.section-head.left {
    text-align: left;
}

.section-head-compact {
    max-width: 640px;
}

.section-head-flush {
    margin-bottom: 0;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(201, 169, 110, 0.1);
    border: 1px solid rgba(201, 169, 110, 0.2);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: #a0824a;
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1;
    text-transform: uppercase;
}

.section-kicker-dark {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--accent-light);
}

.section-head h2,
.page-hero h1,
.page-title-block h1 {
    font-size: clamp(30px, 3.6vw, 42px);
    line-height: 1.2;
    color: var(--primary);
    margin-bottom: 14px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-head p,
.page-hero p,
.page-title-block p {
    color: var(--text-light);
    font-size: 17px;
    max-width: 560px;
    line-height: 1.7;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 24px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 1px 2px rgba(30, 58, 95, 0.1), 0 4px 12px rgba(30, 58, 95, 0.12);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
}

.btn-secondary {
    background: var(--bg);
    color: var(--primary);
    border-color: var(--border);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--bg-soft);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

.btn-light {
    background: #fff;
    color: var(--primary);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
    background: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* ===== Hero ===== */
.page-hero {
    padding: 60px 0 50px;
    background:
        radial-gradient(ellipse 70% 60% at 80% 20%, rgba(201, 169, 110, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(30, 58, 95, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(201, 169, 110, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
    gap: 56px;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.hero-copy h1 {
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.1;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.hero-copy > p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 520px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
}

.hero-aside {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
    position: relative;
}

.hero-aside::before {
    content: '';
    position: absolute;
    top: 0;
    left: 32px;
    right: 32px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    border-radius: 3px;
}

.hero-panel-head {
    margin-bottom: 28px;
}

.hero-panel-head strong {
    display: block;
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 700;
}

.hero-panel-head p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

.hero-points {
    display: grid;
    gap: 18px;
}

.hero-point {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.hero-point:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.hero-point strong {
    display: block;
    margin-bottom: 5px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
}

.hero-point p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Grids ===== */
.data-grid,
.card-grid,
.news-grid,
.contact-grid,
.about-grid,
.feature-grid,
.product-grid {
    display: grid;
    gap: 24px;
}

.card-grid-2,
.feature-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ===== Cards ===== */
.feature-card,
.info-card,
.product-card,
.news-card,
.contact-card,
.value-card,
.stat-card,
.article-card,
.side-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
}

.feature-card:hover,
.info-card:hover,
.product-card:hover,
.news-card:hover,
.contact-card:hover,
.value-card:hover,
.stat-card:hover,
.article-card:hover,
.side-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
    border-color: var(--border-light);
}

.feature-card h3,
.info-card h3,
.product-card h3,
.news-card h3,
.contact-card h3,
.value-card h3,
.article-card h3,
.stat-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.feature-card p,
.info-card p,
.product-card p,
.news-card p,
.contact-card p,
.value-card p,
.article-card p,
.side-card p,
.stat-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

.feature-index,
.info-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--accent) 0%, #b8944f 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(201, 169, 110, 0.25);
}

/* ===== Metrics ===== */
.metrics-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card {
    padding: 28px;
    text-align: center;
}

.stat-card h3 {
    font-size: clamp(36px, 4.5vw, 48px);
    margin-bottom: 6px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-card p {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ===== Surface sections ===== */
.surface-section {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* ===== Two column layouts ===== */
.two-col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
}

.media-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    background: var(--bg);
}

.media-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== Product cards ===== */
.product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-grid-home {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
    padding: 0;
    overflow: hidden;
}

.product-card-image {
    aspect-ratio: 4 / 3;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-body {
    padding: 22px;
}

.product-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===== News ===== */
.news-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card {
    padding: 0;
    overflow: hidden;
}

.news-card-image {
    aspect-ratio: 16 / 10;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-card:hover .news-card-image img {
    transform: scale(1.05);
}

.news-card-body {
    padding: 22px;
}

.news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 10px;
    font-weight: 600;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    transition: gap 0.2s ease;
}

.read-more:hover {
    gap: 10px;
}

/* ===== Contact band ===== */
.contact-band {
    background: linear-gradient(135deg, var(--primary) 0%, #152a45 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 48px;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.contact-band::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.contact-band h2,
.contact-band p {
    color: #fff;
    position: relative;
    z-index: 1;
}

.contact-band h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.contact-band p {
    opacity: 0.8;
    font-size: 15px;
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
    position: relative;
    z-index: 1;
}

/* ===== Page title ===== */
.page-title-wrap {
    padding: 80px 0 36px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 500;
}

.breadcrumb a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
}

/* ===== Layouts ===== */
.products-layout,
.news-detail-layout,
.contact-layout {
    display: grid;
    gap: 28px;
}

.products-layout,
.news-detail-layout {
    grid-template-columns: 280px 1fr;
}

.side-card h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--primary);
    font-weight: 700;
}

.category-nav,
.related-news-list,
.contact-list,
.simple-list {
    list-style: none;
    display: grid;
    gap: 6px;
}

.category-nav a,
.related-news-list a {
    display: block;
    text-decoration: none;
    color: var(--text);
    padding: 10px 14px;
    border-radius: var(--radius);
    background: transparent;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.category-nav a.active,
.category-nav a:hover,
.related-news-list a:hover {
    background: rgba(30, 58, 95, 0.05);
    color: var(--primary);
    border-color: var(--border);
}

.simple-list-nested {
    margin-top: 8px;
    margin-left: 12px;
}

.simple-list-nested a {
    display: block;
    text-decoration: none;
    color: var(--text-light);
    padding: 6px 0;
    font-size: 14px;
    transition: color 0.15s ease;
}

.simple-list-nested a.active,
.simple-list-nested a:hover {
    color: var(--primary);
}

/* ===== Search & Forms ===== */
.search-panel {
    margin-bottom: 20px;
}

.search-box {
    display: flex;
    gap: 8px;
}

.search-box input,
.form-control {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    background: var(--bg);
    font-size: 14px;
    color: var(--text);
    transition: all 0.2s ease;
}

.form-control::placeholder,
.search-box input::placeholder {
    color: var(--text-muted);
}

.form-control:focus,
.search-box input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.result-summary {
    margin-top: 12px;
    color: var(--text-light);
    font-size: 14px;
}

.form-stack {
    display: grid;
    gap: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

textarea.form-control {
    min-height: 130px;
    resize: vertical;
}

/* ===== Lists ===== */
.list-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.product-list-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-detail-grid,
.about-grid,
.contact-layout {
    grid-template-columns: 1fr 1fr;
}

.product-detail-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.detail-title {
    margin-bottom: 16px;
}

.detail-block {
    margin-bottom: 20px;
}

.detail-block h3 {
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 16px;
    font-weight: 700;
}

.detail-actions {
    margin-top: 28px;
}

.contact-form-card {
    box-shadow: var(--shadow-card);
}

.contact-form-head {
    margin-bottom: 24px;
}

.detail-table {
    display: grid;
    gap: 14px;
    margin: 24px 0;
}

.detail-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.detail-row strong {
    color: var(--primary);
    font-weight: 600;
}

.detail-row span {
    color: var(--text-light);
}

.spec-box,
.rich-content,
map-box {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

/* ===== Articles ===== */
.article-list {
    display: grid;
    gap: 18px;
}

.article-card {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    padding: 0;
    overflow: hidden;
}

.article-card-media {
    min-height: 200px;
    background: var(--bg-soft);
    overflow: hidden;
}

.article-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article-card:hover .article-card-media img {
    transform: scale(1.03);
}

.article-card-body {
    padding: 28px 28px 28px 0;
}

.article-actions {
    margin-top: 20px;
}

.news-detail-title {
    font-size: clamp(28px, 3.5vw, 38px);
    line-height: 1.25;
    margin-bottom: 18px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.news-detail-media {
    margin-bottom: 24px;
}

.news-detail-actions {
    margin-top: 28px;
}

.side-card-spaced {
    margin-bottom: 24px;
}

.related-news-title {
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
    font-size: 14px;
}

.related-news-date {
    font-size: 13px;
    color: var(--text-muted);
}

.article-content,
.rich-content {
    color: var(--text);
    line-height: 1.85;
    font-size: 16px;
}

.rich-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 16px 0;
    border: 1px solid var(--border);
}

/* ===== Pagination ===== */
.pagination {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.15s ease;
}

.page-link.active,
.page-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(30, 58, 95, 0.2);
}

/* ===== Map ===== */
.map-placeholder {
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.location-note p {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 6px;
    font-weight: 600;
}

.location-note span {
    color: var(--text-light);
    font-size: 14px;
}

/* ===== Footer ===== */
.site-footer {
    margin-top: 40px;
    background: var(--primary);
    color: rgba(255, 255, 255, 0.6);
    border-top: none;
}

.footer-grid {
    padding: 64px 0 40px;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-brand img {
    width: 48px;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.08);
    padding: 6px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col h4,
.footer-brand h3 {
    color: #fff;
    margin-bottom: 18px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-brand h3 {
    text-transform: none;
    letter-spacing: 0;
    font-size: 17px;
    font-weight: 700;
}

.footer-col ul {
    list-style: none;
    display: grid;
    gap: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.footer-col a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    padding: 24px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
    .header-right {
        gap: 20px;
    }

    .feature-grid,
    .feature-grid-3,
    .product-grid,
    .product-grid-home,
    .news-grid,
    .list-grid,
    .product-list-grid,
    .metrics-grid,
    .card-grid-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .products-layout,
    .news-detail-layout,
    .hero-grid,
    .two-col,
    .product-detail-grid,
    .about-grid,
    .contact-layout,
    .contact-band,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .contact-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 860px) {
    .nav-toggle {
        display: block;
    }

    .header-right {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 16px 20px 20px;
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        backdrop-filter: blur(16px);
    }

    .header-right.open {
        display: flex;
    }

    .main-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .main-nav a {
        padding: 10px 14px;
    }

    .header-contact-box {
        width: 100%;
        min-width: unset;
    }

    .article-card {
        grid-template-columns: 1fr;
    }

    .article-card-body {
        padding: 0 24px 24px;
    }

    .form-grid,
    .list-grid,
    .feature-grid,
    .feature-grid-3,
    .product-grid,
    .product-grid-home,
    .news-grid,
    .detail-row,
    .metrics-grid,
    .card-grid-2,
    .product-list-grid {
        grid-template-columns: 1fr;
    }

    .page-hero {
        padding: 64px 0 48px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(var(--container), calc(100% - 28px));
    }

    .page-section {
        padding: 64px 0;
    }

    .page-hero {
        padding: 56px 0 40px;
    }

    .hero-actions,
    .contact-actions,
    .search-box {
        flex-direction: column;
    }

    .brand-text strong {
        font-size: 16px;
    }

    .brand-text span {
        font-size: 11px;
    }

    .page-title-wrap {
        padding-top: 56px;
    }

    .feature-card,
    .info-card,
    .contact-card,
    .value-card,
    .side-card,
    .product-detail-card,
    .stat-card {
        padding: 20px;
    }

    .contact-band {
        padding: 28px 22px;
    }

    .two-col {
        gap: 32px;
    }
}