/* Channel Pages Optimized Styles */
:root {
    --bg-body: #F5F5F7;
    --bg-card: #FFFFFF;
    --text-main: #1D1D1F;
    --text-sec: #86868B;
    --accent: #0071E3; /* Default, override per page */
    --accent-gradient: linear-gradient(135deg, var(--accent), #42A5F5);
    --dark-bg: #101010;
    --dark-card: #1C1C1E;
    --glass: rgba(255, 255, 255, 0.85);
    --border: rgba(0,0,0,0.06);
    --radius-lg: 20px;
    --radius-md: 12px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.1);
    --nav-active-color: #0071E3;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul { list-style: none; }

/* Navigation */
.nav-glass {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    height: 60px;
}
.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}
.nav-logo { font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.nav-logo img { height: 32px; width: auto; display: block; }
.nav-logo i { color: var(--nav-active-color); }
.nav-links { display: flex; gap: 32px; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--nav-active-color); }
.nav-links a.active { color: var(--nav-active-color); }
.nav-search {
    background: #F2F2F2;
    border-radius: 20px;
    padding: 6px 16px;
    display: flex;
    align-items: center;
    font-size: 13px;
    color: var(--text-sec);
    width: 200px;
    transition: all 0.3s;
    border: 1px solid transparent;
}
.nav-search:focus-within { 
    width: 300px; 
    background: #fff; 
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1); 
}
.nav-search input { border: none; background: transparent; outline: none; margin-left: 8px; width: 100%; }

/* Breadcrumb */
.breadcrumb {
    max-width: 1400px;
    margin: 20px auto 0;
    padding: 0 40px;
    font-size: 14px;
    color: var(--text-sec);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; color: #ccc; }
.breadcrumb .current { color: var(--text-main); font-weight: 500; }

/* Container */
.container { max-width: 1400px; margin: 0 auto; padding: 30px 40px; }

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
}
.section-title { font-size: 28px; font-weight: 700; color: var(--text-main); letter-spacing: -0.5px; }
.section-link { color: var(--accent); font-size: 16px; font-weight: 500; display: flex; align-items: center; gap: 4px; }
.section-link:hover { gap: 8px; }

/* Cards & Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.news-column {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}
.news-column:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.column-header span { display: flex; align-items: center; gap: 10px; }
.column-header i { color: var(--accent); font-size: 20px; }

.header-more {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-sec);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    background: #F5F5F7;
    transition: all 0.2s;
}
.header-more:hover { 
    color: var(--accent); 
    background: rgba(0, 113, 227, 0.1);
}

.news-list-simple { display: flex; flex-direction: column; gap: 12px; }
.news-item-simple {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
    color: var(--text-main);
    padding: 4px 0;
    transition: transform 0.2s;
}
.news-item-simple:hover { transform: translateX(4px); }
.news-item-simple:hover .news-text { color: var(--accent); }
.news-dot {
    width: 6px; height: 6px; background: #E5E5E5; border-radius: 50%; flex-shrink: 0;
    transition: background 0.2s;
}
.news-item-simple:hover .news-dot { background: var(--accent); }
.news-text { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.news-date { color: var(--text-sec); font-size: 12px; font-variant-numeric: tabular-nums; }

/* Release List (from Humanoid) */
.release-list { display: flex; flex-direction: column; gap: 16px; }
.release-item { 
    display: flex; gap: 16px; align-items: center; 
    padding: 12px; border-radius: 16px; 
    transition: all 0.2s; 
    border: 1px solid transparent;
}
.release-item:hover { 
    background: #F9F9F9; 
    border-color: var(--border);
}
.release-img {
    width: 64px; height: 64px; border-radius: 12px; object-fit: cover; background: #f0f0f0;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
}
.release-info { flex: 1; }
.release-title { font-weight: 600; font-size: 15px; margin-bottom: 6px; color: var(--text-main); }
.release-meta { 
    font-size: 11px; color: var(--text-sec); 
    display: inline-block; background: #F0F0F0; 
    padding: 4px 8px; border-radius: 6px; font-weight: 500;
}

/* Service Zone */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px;
}
.service-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.service-card:hover { 
    transform: translateY(-6px); 
    box-shadow: var(--shadow-hover);
}
.service-icon {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, #F0F9FF, #E0F2FE);
    color: var(--accent);
    border-radius: 24px; /* Squircle */
    display: flex; align-items: center; justify-content: center;
    font-size: 32px;
    margin: 0 auto 24px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.service-card:hover .service-icon { transform: scale(1.1) rotate(6deg); }
.service-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.service-desc { font-size: 14px; color: var(--text-sec); margin-bottom: 24px; line-height: 1.6; min-height: 44px; }
.service-link {
    color: var(--accent); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px;
}
.service-link:hover { gap: 8px; }

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    overflow-x: auto;
    padding: 4px 4px 12px;
    scrollbar-width: none;
}
.filter-chip {
    padding: 10px 24px;
    background: var(--bg-card);
    border-radius: 99px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
    border: 1px solid var(--border);
    color: var(--text-sec);
}
.filter-chip:hover { 
    border-color: var(--accent); 
    color: var(--accent); 
    transform: translateY(-1px);
}
.filter-chip.active { 
    background: var(--text-main); 
    color: #fff; 
    border-color: var(--text-main);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s;
    group: product;
}
.product-card:hover { 
    transform: translateY(-6px); 
    box-shadow: var(--shadow-hover);
}
.card-img-wrap {
    height: 220px;
    background: linear-gradient(180deg, #FAFAFA 0%, #F0F0F0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    position: relative;
    overflow: hidden;
}
.card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.08));
}
.product-card:hover .card-img { transform: scale(1.1); }
.card-info { padding: 20px; }
.card-brand { font-size: 11px; color: var(--text-sec); font-weight: 700; text-transform: uppercase; margin-bottom: 4px; letter-spacing: 0.5px; }
.card-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-price { font-size: 15px; color: var(--text-main); font-weight: 700; margin-bottom: 12px; }
.card-specs { display: flex; gap: 6px; margin-bottom: 0; flex-wrap: wrap; }
.spec-item {
    background: #F5F5F7;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    color: var(--text-sec);
    font-weight: 600;
}

/* Lab / Dev Section (Dark) */
.lab-section {
    background: var(--dark-bg);
    color: #fff;
    padding: 100px 0;
    margin-top: 60px;
}
.lab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.lab-content h2 { font-size: 48px; font-weight: 800; margin-bottom: 20px; }
.lab-content p { font-size: 18px; color: #86868B; margin-bottom: 40px; max-width: 500px; }
.code-block {
    background: #1C1C1E;
    border-radius: 12px;
    padding: 24px;
    font-family: 'Menlo', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #A9B7C6;
    border: 1px solid #333;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.code-line { display: block; }
.c-purple { color: #CC7832; }
.c-blue { color: #6897BB; }
.c-green { color: #6A8759; }
.c-yellow { color: #FFC66D; }

/* Service Hero (Center) */
.hero-service {
    background: var(--bg-card);
    padding: 80px 0 120px; /* Extra padding for overlap */
    text-align: center;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}
.hero-service h1 { font-size: 56px; font-weight: 700; margin-bottom: 20px; letter-spacing: -0.005em; }
.hero-service p { font-size: 24px; color: var(--text-sec); margin-bottom: 40px; max-width: 600px; margin-inline: auto; }

/* Feature Cards (Overlapping) */
.feature-grid-overlap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: -60px;
    position: relative;
    z-index: 10;
    padding: 0 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.feature-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    padding: 30px 20px;
    border-radius: 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    aspect-ratio: 1/1.2;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); background: var(--bg-card); }
.feature-icon-lg {
    font-size: 36px; color: var(--accent); margin-bottom: 16px;
    background: rgba(0, 113, 227, 0.08); width: 72px; height: 72px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; transition: transform 0.3s;
}
.feature-card:hover .feature-icon-lg { transform: scale(1.1); background: var(--accent); color: #fff; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-full { grid-column: 1 / -1; }
.form-group label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; }
.form-input {
    width: 100%; padding: 16px; background: var(--bg-body);
    border: 1px solid transparent; border-radius: 12px;
    font-size: 16px; outline: none; transition: all 0.2s;
}
.form-input:focus { background: var(--bg-card); border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0,113,227,0.1); }

/* Steps Flow */
.steps-flow { display: flex; justify-content: space-between; align-items: center; margin: 60px 0; position: relative; }
.steps-line { position: absolute; top: 25px; left: 50px; right: 50px; height: 2px; background: #E5E5E5; z-index: 0; }
.step-item { position: relative; z-index: 1; text-align: center; width: 100px; }
.step-icon {
    width: 50px; height: 50px; background: var(--bg-card); border: 2px solid #E5E5E5;
    border-radius: 50%; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: var(--text-sec); transition: all 0.3s;
}
.step-item:hover .step-icon { border-color: var(--accent); color: var(--accent); transform: scale(1.1); }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); padding: 24px 0; }
.faq-question { font-size: 18px; font-weight: 600; display: flex; justify-content: space-between; cursor: pointer; }
.faq-answer { margin-top: 12px; color: var(--text-sec); display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question { color: var(--accent); }

/* Buttons */
.btn-primary {
    background: var(--accent); color: white; border: none; border-radius: 12px;
    padding: 16px 40px; font-size: 17px; font-weight: 600; cursor: pointer; transition: all 0.3s;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Tabs (Pill) */
.pill-tabs {
    display: inline-flex; background: #F5F5F7; padding: 4px;
    border-radius: 99px; margin-bottom: 40px; position: relative;
    left: 50%; transform: translateX(-50%);
}
.pill-tab {
    padding: 12px 32px; border-radius: 99px; border: none;
    background: transparent; font-size: 15px; font-weight: 500;
    color: var(--text-sec); cursor: pointer; transition: all 0.2s;
}
.pill-tab.active {
    background: #FFFFFF; color: var(--text-main);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08); font-weight: 600;
}

/* Footer */
footer { background: #F5F5F7; padding: 80px 40px; border-top: 1px solid #E5E5E5; margin-top: 0; }
.footer-grid {
    max-width: 1400px; margin: 0 auto;
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand h3 { font-size: 20px; margin-bottom: 12px; font-weight: 700; }
.footer-brand p { color: var(--text-sec); font-size: 14px; max-width: 300px; line-height: 1.6; }
.footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 24px; color: var(--text-main); text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col ul li { margin-bottom: 14px; }
.footer-col a { color: var(--text-sec); font-size: 14px; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-main); }

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: 1fr; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .lab-grid { grid-template-columns: 1fr; }
    .feature-grid-overlap { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-inner { padding: 0 20px; }
    .nav-links, .nav-search { display: none; }
    .service-grid { grid-template-columns: 1fr; }
    .container { padding: 30px 20px; }
    .section-title { font-size: 24px; }
    .feature-grid-overlap { grid-template-columns: 1fr; padding: 0 20px; }
    .steps-flow { flex-direction: column; gap: 30px; }
    .steps-line { display: none; }
    .form-grid { grid-template-columns: 1fr; }
}

/* Updated Logo Styles to match Main Site */
.nav-logo {
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
}
.nav-logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo-text-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
}
.logo-title {
    font-size: 18px;
    font-weight: 800;
    color: #003366;
    font-family: "Microsoft YaHei", sans-serif;
}
.logo-subtitle {
    font-size: 9px;
    color: #666;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: 'Consolas', 'Monaco', monospace;
    font-weight: 600;
    margin-top: 3px;
}