/* 承控环境科技 - 前台品牌样式系统 */
:root {
    --ck-primary: #1E40AF;
    --ck-primary-deep: #1E3A8A;
    --ck-secondary: #F59E0B;
    --ck-secondary-deep: #D97706;
    --ck-bg: #F8FAFC;
    --ck-surface: #FFFFFF;
    --ck-surface-soft: rgba(255, 255, 255, 0.72);
    --ck-text: #1E293B;
    --ck-text-soft: #64748B;
    --ck-border: #E2E8F0;
    --ck-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
    --ck-shadow-hover: 0 24px 60px rgba(30, 64, 175, 0.18);
    --ck-radius-lg: 24px;
    --ck-radius-md: 18px;
    --ck-radius-sm: 12px;

    /* macOS 26 风格液态毛玻璃系统 */
    --ck-glass-blur: blur(32px) saturate(1.6);
    --ck-glass-blur-light: blur(28px) saturate(1.4);
    --ck-glass-blur-sm: blur(20px) saturate(1.3);
    --ck-glass-shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    --ck-glass-shadow-light: 0 8px 32px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    --ck-glass-shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', system-ui, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.08), transparent 24%),
        radial-gradient(circle at top right, rgba(245, 158, 11, 0.07), transparent 18%),
        var(--ck-bg);
    color: var(--ck-text);
}

.heading-font { font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif; }
.body-font { font-family: 'Noto Sans SC', system-ui, sans-serif; }

.text-primary { color: var(--ck-primary) !important; }
.bg-primary { background: linear-gradient(135deg, var(--ck-primary) 0%, #2563eb 100%) !important; }
.bg-light { background-color: #F8FAFC !important; }

.btn {
    border-radius: 999px;
    padding: 0.85rem 1.6rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ck-primary) 0%, #2563eb 100%);
    border-color: transparent;
    box-shadow: 0 12px 30px rgba(30, 64, 175, 0.24);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--ck-primary-deep) 0%, var(--ck-primary) 100%);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 18px 35px rgba(30, 64, 175, 0.28);
}

.btn-outline-primary {
    color: var(--ck-primary);
    border-color: rgba(30, 64, 175, 0.18);
    background: rgba(255, 255, 255, 0.9);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: #fff;
    background: linear-gradient(135deg, var(--ck-primary) 0%, #2563eb 100%);
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-outline-light:hover {
    transform: translateY(-2px);
}

a { color: var(--ck-primary); }
a:hover { color: var(--ck-primary-deep); }

.navbar {
    backdrop-filter: blur(32px) saturate(1.5);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.72), rgba(30, 58, 138, 0.62)) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.navbar .nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.86);
    font-weight: 500;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.35rem;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ck-secondary), rgba(245, 158, 11, 0));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.28s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    transform: scaleX(1);
}

.hero-overlay { background: linear-gradient(135deg, rgba(2, 6, 23, 0.78), rgba(30, 64, 175, 0.48)); }

.page-hero,
.industry-hero {
    position: relative;
    overflow: hidden;
}

.page-hero::before,
.industry-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.12), transparent 24%), radial-gradient(circle at 80% 20%, rgba(245,158,11,0.16), transparent 18%);
    pointer-events: none;
}

.section-title {
    position: relative;
    padding-bottom: 18px;
    margin-bottom: 30px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 74px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ck-secondary), #fbbf24);
}

.card {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: var(--ck-radius-md);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--ck-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--ck-shadow-hover);
    border-color: rgba(59, 130, 246, 0.2);
}

.card-img-top {
    border-top-left-radius: var(--ck-radius-md);
    border-top-right-radius: var(--ck-radius-md);
}

.glass-panel,
.sidebar.card,
.sidebar > .card,
.metric-card,
.highlight-panel {
    background: var(--ck-surface-soft);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--ck-shadow);
    backdrop-filter: blur(14px);
}

/* macOS 26 液态毛玻璃系统 */
.glass-panel-dark {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
    border-top: 1px solid rgba(255, 255, 255, 0.38);
    border-left: 1px solid rgba(255, 255, 255, 0.14);
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--ck-glass-shadow-dark);
    backdrop-filter: var(--ck-glass-blur);
}

.glass-panel-light {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68));
    border-top: 1px solid rgba(255, 255, 255, 0.65);
    border-left: 1px solid rgba(255, 255, 255, 0.35);
    border-right: 1px solid rgba(255, 255, 255, 0.35);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--ck-glass-shadow-light);
    backdrop-filter: var(--ck-glass-blur-light);
}

.glass-stat {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.07));
    border-top: 1px solid rgba(255, 255, 255, 0.32);
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--ck-glass-shadow-sm);
    backdrop-filter: blur(24px) saturate(1.5);
}

.sidebar .nav-link,
.sidebar .list-group-item {
    color: var(--ck-text);
    padding: 0.85rem 1rem;
    border: none;
    border-left: 3px solid transparent;
    border-radius: 12px;
    margin-bottom: 0.4rem;
    transition: all 0.24s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active,
.sidebar .list-group-item:hover,
.sidebar .list-group-item.active {
    color: var(--ck-primary);
    border-left-color: var(--ck-primary);
    background: linear-gradient(135deg, rgba(219, 234, 254, 0.9), rgba(239, 246, 255, 0.9)) !important;
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.08);
}

.detail-content p { margin-bottom: 1.25rem; line-height: 1.9; }
.detail-content img { max-width: 100%; height: auto; margin: 1.5rem 0; border-radius: 12px; box-shadow: var(--ck-shadow); }

.news-card .card-title { font-size: 1rem; }
.news-card .card-title a { color: var(--ck-text); }
.product-card img { height: 220px; object-fit: contain; padding: 1.25rem; background: linear-gradient(180deg, #fff, #f8fbff); }

.stat-number,
.display-data {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1;
    color: var(--ck-primary);
}

.metric-card {
    border-radius: 22px;
    padding: 1.75rem 1.5rem;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.contact-info-section .row,
.contact-message-section .row {
    position: relative;
    z-index: 1;
}

.contact-info-card,
.contact-map-card,
.contact-message-card {
    transform: none !important;
}

.contact-info-card:hover,
.contact-map-card:hover,
.contact-message-card:hover {
    transform: none;
}

.contact-suggestion-card {
    height: auto;
    min-height: 0;
}

.contact-message-section {
    clear: both;
}

.metric-card::after {
    content: '';
    position: absolute;
    width: 110px;
    height: 110px;
    right: -28px;
    bottom: -34px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 64, 175, 0.16), transparent 70%);
}

.partner-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 20px;
}

.partner-card img {
    transition: transform 0.3s ease;
}

.partner-card:hover img {
    transform: scale(1.06);
}

.form-control,
.form-select {
    border-radius: 14px;
    border-color: rgba(148, 163, 184, 0.35);
    min-height: 52px;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.96);
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.12);
}

textarea.form-control {
    min-height: 140px;
}

.breadcrumb-item + .breadcrumb-item::before { color: rgba(100, 116, 139, 0.8); }

footer.bg-dark {
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%) !important;
}

footer .text-secondary,
footer a.text-secondary {
    color: rgba(226, 232, 240, 0.7) !important;
}

footer a.text-secondary:hover {
    color: #fff !important;
}

.soft-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.12));
    font-size: 0.88rem;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
    border-left: 1px solid rgba(255, 255, 255, 0.18);
    border-right: 1px solid rgba(255, 255, 255, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(20px) saturate(1.3);
}

.data-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 999px;
    padding: 0.6rem 1rem;
    background: rgba(30, 64, 175, 0.08);
    color: var(--ck-primary);
    font-weight: 600;
}

.surface-section {
    position: relative;
}

.surface-section::before {
    content: '';
    position: absolute;
    inset: 1rem 0 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.28), transparent);
}

@media (max-width: 991.98px) {
    .stat-number,
    .display-data { font-size: 2.2rem; }
    .contact-info-card,
    .contact-map-card,
    .contact-message-card {
        transform: none !important;
    }
}

@media (max-width: 767.98px) {
    .display-3 { font-size: 2.2rem; }
    .display-4 { font-size: 2rem; }
    .display-5 { font-size: 1.7rem; }
    .btn { padding: 0.75rem 1.2rem; }
    .card,
    .metric-card,
    .partner-card { border-radius: 18px; }
}