/* ============================================================
   Product Module — Premium Visual Design
   Data Center Industry: Precision Tech + Enterprise Trust
   ============================================================ */

/* ── Product Hero — enhanced ── */
.product-page .site-hero {
    height: 320px;
    background: linear-gradient(160deg, #001122 0%, #002244 40%, #001a33 100%);
}
.product-page .site-hero h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 1px;
}
.product-page .site-hero .site-hero-desc {
    color: rgba(255,255,255,0.8);
    letter-spacing: 1px;
    font-size: 16px;
}

/* Hero right-side tech decoration (CSS geometric pattern) */
.product-page .site-hero::after {
    content: '';
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    background:
        radial-gradient(circle at 30% 30%, rgba(30,144,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255,102,0,0.06) 0%, transparent 50%);
    background-size: 100% 100%;
    opacity: 0.7;
    z-index: 1;
    pointer-events: none;
}

/* ── Sticky Anchor Nav — Premium ── */
.product-anchor-nav {
    background: #fff;
    border-bottom: 1px solid var(--border);
    z-index: 90;
    transition: box-shadow .3s;
}
.product-anchor-nav.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}
.product-anchor-nav .wrap {
    display: flex;
    justify-content: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0;
}
.product-anchor-nav a {
    padding: 16px 28px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all .25s ease;
    position: relative;
}
/* Separator between tabs */
.product-anchor-nav a + a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 16px;
    background: var(--border);
}
.product-anchor-nav a:hover {
    color: var(--primary);
}
.product-anchor-nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(0,85,166,0.04);
    font-weight: 600;
}

/* ── Overview Sections (index page) — Premium Layout ── */
.product-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFE 100%);
}
.product-section:nth-child(even) {
    background: #F5F7FA;
    background-image:
        linear-gradient(rgba(0,85,166,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,85,166,0.025) 1px, transparent 1px);
    background-size: 40px 40px;
}

.product-section .section-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}
.product-section:nth-child(even) .section-inner { flex-direction: row-reverse; }

/* Image area */
.product-section .section-image {
    flex: 0 0 48%;
    min-width: 0;
    position: relative;
}
.product-section .section-image img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,51,102,0.15);
}
.product-section .section-image .img-placeholder {
    width: 100%;
    height: 380px;
    border-radius: 12px;
    background: linear-gradient(135deg, #003366 0%, #0055A6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,51,102,0.15);
}
/* Geometric overlay on placeholder */
.product-section .section-image .img-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 30px 30px;
}
.product-section .section-image .img-placeholder span {
    position: relative;
    z-index: 2;
    font-size: 22px;
    font-weight: 700;
    color: rgba(255,255,255,0.85);
    text-align: center;
    padding: 20px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* Image number overlay (magazine style) */
.product-section .section-image .image-number {
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-size: 72px;
    font-weight: 900;
    color: rgba(255,255,255,0.2);
    line-height: 1;
    z-index: 3;
    pointer-events: none;
}

/* Text area */
.product-section .section-text {
    flex: 1;
    min-width: 0;
}
.product-section .section-text .cat-tag {
    display: inline-block;
    padding: 5px 16px;
    background: rgba(255,102,0,0.1);
    color: #FF6600;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}
.product-section .section-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #003366;
    margin-bottom: 14px;
    line-height: 1.3;
}
.product-section .section-text .section-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* Divider line */
.product-section .section-text .section-divider {
    width: 40px;
    height: 2px;
    background: #E0E0E0;
    margin: 20px 0;
}
/* Feature points — 2-column grid */
.product-section .section-points {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 24px;
}
.product-section .section-points li {
    font-size: 14px;
    color: #555;
    padding-left: 16px;
    position: relative;
    line-height: 1.6;
}
.product-section .section-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #0055A6;
    flex-shrink: 0;
}
/* CTA button with arrow */
.product-section .section-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    transition: all .3s ease;
    box-shadow: 0 4px 15px rgba(0,85,166,0.25);
}
.product-section .section-btn .arrow-icon {
    transition: transform .3s ease;
}
.product-section .section-btn:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,85,166,0.35);
}
.product-section .section-btn:hover .arrow-icon {
    transform: translateX(4px);
}

/* ── Landing Hero Buttons (inside shared hero_canvas) ── */
.landing-hero-btns .btn-outline-white,
.btn-outline-white {
    display: inline-block;
    padding: 10px 26px;
    border: 2px solid rgba(255,255,255,0.7);
    color: #fff;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    transition: all .3s ease;
    text-align: center;
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}

/* ── Landing Page Hero — enhanced ── */
.landing-page .site-hero {
    height: 420px;
}
.landing-page .site-hero h1 {
    font-size: 38px;
    font-weight: 800;
}
.landing-page .site-hero .site-hero-desc {
    max-width: 650px;
}
/* Tech decoration for landing hero */
.landing-page .site-hero::after {
    content: '';
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    border: 1px solid rgba(30,144,255,0.1);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}
.landing-page .site-hero::before {
    content: '';
    position: absolute;
    right: 8%;
    top: 45%;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255,102,0,0.08);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

/* ── Landing Overview Section — with decorative frame ── */
.landing-overview {
    padding: 80px 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFE 100%);
}
.landing-overview-inner {
    display: flex;
    gap: 60px;
    align-items: flex-start;
    max-width: 1100px;
    margin: 0 auto;
}
.landing-overview-img {
    flex: 0 0 45%;
    min-width: 0;
    position: relative;
}
/* Decorative offset frame */
.landing-overview-img::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -20px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0055A6, #1E90FF);
    border-radius: 12px;
    z-index: 0;
    opacity: 0.15;
}
.landing-overview-img img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,51,102,0.15);
    position: relative;
    z-index: 1;
}
.landing-overview-img .img-placeholder {
    width: 100%;
    height: 380px;
    border-radius: 12px;
    background: linear-gradient(135deg, #003366 0%, #0055A6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0,51,102,0.15);
    position: relative;
    z-index: 1;
}
.landing-overview-img .img-placeholder svg {
    width: 80px;
    height: 80px;
    fill: rgba(255,255,255,0.2);
}
.landing-overview-info {
    flex: 1;
    min-width: 0;
}
.landing-overview-info h2 {
    font-size: 28px;
    font-weight: 700;
    color: #003366;
    margin-bottom: 14px;
    line-height: 1.3;
    position: relative;
    padding-left: 18px;
}
.landing-overview-info h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #FF6600, #FF8C00);
    border-radius: 2px;
}
.landing-overview-info .desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}
.landing-overview-info .usp-list { margin-bottom: 28px; }
.landing-overview-info .usp-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text);
    background: rgba(0,85,166,0.03);
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid rgba(0,85,166,0.06);
    transition: all .2s;
}
.landing-overview-info .usp-item:hover {
    background: rgba(0,85,166,0.06);
    border-color: rgba(0,85,166,0.12);
}
.landing-overview-info .usp-item::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}
.landing-overview-btns { margin-bottom: 16px; }
.landing-overview-btns .btn {
    padding: 13px 36px;
    font-size: 15px;
    min-width: 180px;
    text-align: center;
}
.landing-phone {
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.landing-phone svg {
    width: 16px;
    height: 16px;
    fill: var(--primary);
}

/* ── Landing Content Section — enhanced typography ── */
.landing-content-section {
    padding: 70px 20px;
    background: var(--bg-light);
    background-image:
        linear-gradient(rgba(0,85,166,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,85,166,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}
.landing-content-section .section-heading {
    font-size: 24px;
    color: var(--primary-dark);
    padding-left: 18px;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.landing-content-section .section-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #0055A6, #1E90FF);
    border-radius: 2px;
}
.landing-content-section .section-heading::after {
    content: '';
    position: absolute;
    left: 0;
    top: -4px;
    width: 16px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

/* Product content — typography for migrated HTML */
.product-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.9;
    color: #444;
}
.product-content h1 {
    font-size: 22px;
    color: var(--primary-dark);
    padding-left: 18px;
    margin: 36px 0 16px;
    line-height: 1.4;
    position: relative;
}
.product-content h1::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #0055A6, #1E90FF);
    border-radius: 2px;
}
.product-content h1::after {
    content: '';
    position: absolute;
    left: 0;
    top: -4px;
    width: 14px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.product-content h2 {
    font-size: 20px;
    color: var(--primary-dark);
    padding-left: 18px;
    margin: 30px 0 14px;
    line-height: 1.4;
    position: relative;
}
.product-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #0055A6, #1E90FF);
    border-radius: 2px;
}
.product-content h2::after {
    content: '';
    position: absolute;
    left: 0;
    top: -4px;
    width: 14px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.product-content h3 {
    font-size: 18px;
    color: var(--text);
    margin: 24px 0 10px;
    line-height: 1.4;
}
.product-content h4 {
    font-size: 16px;
    color: var(--text);
    margin: 18px 0 8px;
}
.product-content p {
    line-height: 1.9;
    margin-bottom: 14px;
    color: #555;
}
.product-content img {
    max-width: 100%;
    height: auto;
    margin: 20px auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
/* Inline icons in content (small images used as icons) */
.product-content h2 > img,
.product-content h3 > img,
.product-content h2 img,
.product-content h3 img,
.product-content dt img,
.product-content img[width="60"],
.product-content img[width="40"],
.product-content img[width="30"],
.product-content img[width="20"] {
    display: inline-block;
    width: 36px !important;
    height: 36px !important;
    margin: 0 6px 0 0;
    vertical-align: middle;
    border-radius: 4px;
    box-shadow: none;
    object-fit: contain;
}
.product-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.product-content table th,
.product-content table td {
    padding: 12px 16px;
    border: 1px solid rgba(0,85,166,0.1);
    text-align: left;
}
.product-content table th {
    background: linear-gradient(135deg, #003366 0%, #0055A6 100%);
    color: #fff;
    font-weight: 600;
    border-color: rgba(0,85,166,0.2);
}
.product-content table tr:nth-child(even) td { background: rgba(0,85,166,0.02); }
.product-content table tr:hover td { background: rgba(0,85,166,0.05); }
.product-content ul, .product-content ol {
    padding-left: 22px;
    margin-bottom: 16px;
}
.product-content li {
    margin-bottom: 6px;
    line-height: 1.7;
    color: #555;
}
.product-content a { color: var(--primary); }
.product-content a:hover { text-decoration: underline; }
.product-content strong { color: var(--text); }

/* Legacy class resets — neutralize old layout classes */
.product-content .row { display: block; }
.product-content .col-lg-3,
.product-content .col-lg-4,
.product-content .col-lg-6 { display: block; width: 100%; float: none; padding: 0; }
.product-content .row > ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 20px 0;
}
.product-content .row > ul > li { margin: 0; }
.product-content .row .item {
    background: #fff;
    border: 1px solid rgba(0,85,166,0.08);
    border-radius: 10px;
    padding: 24px;
    height: 100%;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}
.product-content .row .item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0055A6, #1E90FF);
    opacity: 0;
    transition: opacity .3s;
}
.product-content .row .item:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border-color: rgba(0,85,166,0.15);
    transform: translateY(-2px);
}
.product-content .row .item:hover::before { opacity: 1; }
.product-content .row .item dl { margin: 0; }
.product-content .row .item dt {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 6px;
    font-weight: 600;
}
.product-content .row .item dd {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* Legacy: .prxSer (云服务产品优势区) */
.product-content .prxSer { margin: 30px 0; }
.product-content .prxSer > .title { margin-bottom: 20px; }
.product-content .prxSer .serbox h1 {
    padding-left: 18px;
    position: relative;
}
.product-content .tsx01 {}
.product-content .tsx01 h2 {
    padding-left: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    color: var(--primary-dark);
    margin: 20px 0 8px;
}
.product-content .tsx01 h2::before,
.product-content .tsx01 h2::after { display: none; }
.product-content .tsx01 h2.pic { margin-top: 24px; }
.product-content .tsx01 .text { margin-bottom: 12px; }
.product-content .tsx01 .text p,
.product-content .tsx01 .text .doc {
    font-size: 14px;
    color: #555;
    margin-bottom: 4px;
    padding-left: 0;
}
.product-content .compare { display: none; }

/* Legacy: CDN classes */
.product-content .tag { margin: 24px 0 10px; }
.product-content .tag h1,
.product-content .tag h3 {
    padding-left: 18px;
    position: relative;
}
.product-content .list-2 {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}
.product-content .list-2 li {
    padding: 8px 0 8px 20px;
    position: relative;
    border-bottom: 1px solid #f0f0f0;
}
.product-content .list-2 li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}
.product-content .vipNode,
.product-content .rxnode { margin: 24px 0; }
.product-content .cdnBox { margin-bottom: 20px; }
.product-content .cdnBox .text,
.product-content .cdnBox .pic {
    display: block;
    width: 100%;
    float: none;
}
.product-content .mapnode { margin: 20px 0; }
.product-content .mapnav,
.product-content .map { display: block; width: 100%; float: none; }
.product-content .clearfix::after { content: ''; display: table; clear: both; }

/* Legacy: bandwidth/network classes */
.product-content .pal_tit,
.product-content .pa_act,
.product-content .cul_com,
.product-content .pa_wrap,
.product-content .pd_wrap { display: block; width: 100%; }
.product-content .foterBox,
.product-content .footer { display: none; }

/* Broken image fallback */
.product-content img[src*="chinac.com"] {
    width: 36px !important;
    height: 36px !important;
    display: inline-block;
    margin: 0 6px 0 0;
    vertical-align: middle;
    border-radius: 4px;
    box-shadow: none;
    object-fit: contain;
}

/* Sub-product divider */
.product-sub-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 50px auto 30px;
    max-width: 900px;
}
.product-sub-title {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 700;
}

/* ── Feature Cards — Premium ── */
.landing-features {
    padding: 70px 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFE 100%);
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1100px;
    margin: 36px auto 0;
}
.feature-card {
    text-align: center;
    padding: 36px 28px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid rgba(0,85,166,0.08);
    position: relative;
    overflow: hidden;
    transition: all .3s ease;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0055A6, #1E90FF);
    transform: scaleX(0);
    transition: transform .3s;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,51,102,0.12);
    border-color: rgba(0,85,166,0.15);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card svg {
    width: 48px;
    height: 48px;
    fill: var(--primary);
    margin-bottom: 16px;
}
.feature-card h4 {
    font-size: 17px;
    color: var(--text);
    margin-bottom: 10px;
    font-weight: 600;
}
.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ── Related Products — Premium ── */
.landing-related {
    padding: 70px 20px;
    background: var(--bg-light);
    background-image:
        linear-gradient(rgba(0,85,166,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,85,166,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 36px auto 0;
}
.related-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(0,85,166,0.08);
    transition: all .3s ease;
    display: block;
    color: var(--text);
    position: relative;
}
.related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0055A6, #1E90FF);
    border-radius: 10px 10px 0 0;
    opacity: 0;
    transition: opacity .3s;
    z-index: 2;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,51,102,0.12);
    color: var(--text);
    border-color: rgba(0,85,166,0.15);
}
.related-card:hover::before { opacity: 1; }
.related-card-img {
    height: 160px;
    background: linear-gradient(135deg, #003366 0%, #0055A6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.related-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}
.related-card-img img { width: 100%; height: 100%; object-fit: cover; }
.related-card-img svg { width: 44px; height: 44px; fill: rgba(255,255,255,0.2); }
.related-card-body { padding: 18px 20px; }
.related-card-body h3 { font-size: 16px; margin-bottom: 6px; color: var(--text); font-weight: 600; }
.related-card-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 8px; }
.related-card-link { font-size: 13px; color: var(--primary); font-weight: 600; }

/* ── Product CTA Section — Premium ── */
.product-cta {
    background: linear-gradient(135deg, #001A33, #003366);
    background-image:
        linear-gradient(135deg, #001A33, #003366),
        radial-gradient(ellipse at 30% 50%, rgba(30,144,255,0.15), transparent 70%);
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.product-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(30,144,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 992px) {
    .product-section .section-inner { gap: 36px; }
    .product-section .section-image img,
    .product-section .section-image .img-placeholder { height: 300px; }
    .landing-overview-img img,
    .landing-overview-img .img-placeholder { height: 300px; }
    .product-content .row > ul { grid-template-columns: repeat(2, 1fr); }
    .product-page .site-hero { height: 280px; }
    .product-page .site-hero h1 { font-size: 34px; }
    .landing-page .site-hero { height: 350px; }
}

@media (max-width: 768px) {
    .product-anchor-nav .wrap { justify-content: flex-start; }
    .product-anchor-nav a { padding: 12px 18px; font-size: 13px; }

    .product-section { padding: 50px 20px; }
    .product-section .section-inner { flex-direction: column !important; gap: 28px; }
    .product-section .section-image { flex: none; width: 100%; }
    .product-section .section-image img,
    .product-section .section-image .img-placeholder { height: 240px; }
    .product-section .section-image .image-number { font-size: 48px; }
    .product-section .section-text h2 { font-size: 22px; }
    .product-section .section-points { grid-template-columns: 1fr; }

    .product-page .site-hero { height: 240px; }
    .product-page .site-hero h1 { font-size: 26px; }
    .product-page .site-hero::after { display: none; }

    .landing-page .site-hero { height: 280px; }
    .landing-page .site-hero h1 { font-size: 26px; }
    .landing-page .site-hero::after,
    .landing-page .site-hero::before { display: none; }

    .landing-overview { padding: 50px 20px; }
    .landing-overview-inner { flex-direction: column; gap: 28px; }
    .landing-overview-img { flex: none; width: 100%; }
    .landing-overview-img::before { top: 12px; left: -12px; }
    .landing-overview-img img,
    .landing-overview-img .img-placeholder { height: 240px; }

    .landing-content-section { padding: 45px 20px; }
    .product-content { font-size: 14px; }
    .product-content h1 { font-size: 19px; }
    .product-content h2 { font-size: 17px; }
    .product-content .row > ul { grid-template-columns: 1fr; }

    .feature-grid { grid-template-columns: 1fr; gap: 14px; }
    .feature-card { padding: 24px 18px; }

    .related-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .related-card-img { height: 120px; }
}

@media (max-width: 480px) {
    .related-grid { grid-template-columns: 1fr; }
}