/*
Theme Name: ICT Network
Theme URI: https://localhost/
Author: ICT综合网
Author URI: https://localhost/
Description: ICT综合网自定义主题 - 参考华为技术风格设计，采用科技蓝主色调。包含产品与解决方案、行业热点、服务中心、关于我们等内容板块。
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.5
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ict-network
Tags: technology, blue, custom-menu, custom-logo, featured-images, translation-ready
*/

/* =================================================================
   ICT综合网 - 科技蓝主题样式
   设计参考：华为技术页面风格
   主色调：科技蓝
   ================================================================= */

:root {
    --ict-primary: #0066cc;
    --ict-primary-dark: #004999;
    --ict-primary-light: #3a8eff;
    --ict-accent: #00aaff;
    --ict-dark: #0a1f3d;
    --ict-gray-dark: #2c3e50;
    --ict-gray: #6c7a89;
    --ict-gray-light: #e8eef5;
    --ict-bg-light: #f5f8fc;
    --ict-white: #ffffff;
    --ict-text: #1a1a1a;
    --ict-text-light: #5a6c7d;
    --ict-border: #e1e8f0;
    --ict-shadow: 0 4px 20px rgba(0, 102, 204, 0.08);
    --ict-shadow-hover: 0 8px 30px rgba(0, 102, 204, 0.18);
    --ict-gradient: linear-gradient(135deg, #0066cc 0%, #00aaff 100%);
    --ict-gradient-dark: linear-gradient(135deg, #0a1f3d 0%, #0066cc 100%);
    --ict-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ict-radius: 6px;
    --ict-radius-lg: 12px;
    --ict-container: 1280px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--ict-text);
    background: var(--ict-white);
    overflow-x: hidden;
}

a {
    color: var(--ict-primary);
    text-decoration: none;
    transition: var(--ict-transition);
}

a:hover {
    color: var(--ict-primary-dark);
}

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

ul, ol {
    list-style: none;
}

.container {
    max-width: var(--ict-container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Top Bar ========== */
.top-bar {
    background: var(--ict-dark);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar-right a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
}

.top-bar-right a:hover {
    color: var(--ict-accent);
}

.top-bar-right .divider {
    color: rgba(255, 255, 255, 0.3);
}

/* ========== Header ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--ict-border);
    transition: var(--ict-transition);
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 40px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.site-logo {
    width: 44px;
    height: 44px;
    background: var(--ict-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -1px;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.site-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--ict-dark);
    letter-spacing: 1px;
    margin: 0;
    line-height: 1.2;
}

.site-title a {
    color: inherit;
}

.site-title a:hover {
    color: var(--ict-primary);
}

.site-tagline {
    font-size: 12px;
    color: var(--ict-text-light);
    letter-spacing: 2px;
    margin-top: 2px;
}

/* ========== Main Navigation ========== */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--ict-text);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--ict-radius);
    transition: var(--ict-transition);
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 24px;
    height: 2px;
    background: var(--ict-primary);
    transition: var(--ict-transition);
    transform-origin: center;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current_page_item > a {
    color: var(--ict-primary);
    background: rgba(0, 102, 204, 0.06);
}

.nav-menu > li > a:hover::after,
.nav-menu > li.current-menu-item > a::after,
.nav-menu > li.current_page_item > a::after {
    transform: translateX(-50%) scaleX(1);
}

/* Dropdown */
.sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    background: #fff;
    border-radius: var(--ict-radius-lg);
    box-shadow: 0 12px 40px rgba(0, 30, 80, 0.12);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: var(--ict-transition);
    border: 1px solid var(--ict-border);
}

.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.sub-menu li a {
    display: block;
    padding: 10px 16px;
    color: var(--ict-text);
    font-size: 14px;
    border-radius: var(--ict-radius);
    transition: var(--ict-transition);
}

.sub-menu li a:hover {
    background: var(--ict-bg-light);
    color: var(--ict-primary);
    padding-left: 22px;
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-search {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--ict-border);
    background: var(--ict-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--ict-gray-dark);
    transition: var(--ict-transition);
}

.header-search:hover {
    background: var(--ict-primary);
    color: #fff;
    border-color: var(--ict-primary);
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background: var(--ict-gradient);
    color: #fff;
    border-radius: var(--ict-radius);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
    transition: var(--ict-transition);
}

.btn-contact:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.4);
}

/* Mobile toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--ict-dark);
    transition: var(--ict-transition);
}

/* ========== Hero Section ========== */
.hero-section {
    position: relative;
    min-height: 560px;
    background: var(--ict-gradient-dark);
    overflow: hidden;
    display: flex;
    align-items: center;
    color: #fff;
    padding: 80px 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 170, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(0, 102, 204, 0.4) 0%, transparent 50%);
    pointer-events: none;
}

.hero-section::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: 50px 50px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 170, 255, 0.15);
    border: 1px solid rgba(0, 170, 255, 0.3);
    border-radius: 100px;
    font-size: 13px;
    color: var(--ict-accent);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ict-accent);
    box-shadow: 0 0 8px var(--ict-accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #00aaff, #66ccff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--ict-accent);
    color: #fff;
    border-radius: var(--ict-radius);
    font-size: 15px;
    font-weight: 500;
    transition: var(--ict-transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 170, 255, 0.4);
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 170, 255, 0.6);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--ict-radius);
    font-size: 15px;
    font-weight: 500;
    transition: var(--ict-transition);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.6);
}

/* Hero stats */
.hero-stats {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat .stat-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--ict-accent);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.hero-stat .stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* ========== Section Common ========== */
.section {
    padding: 80px 0;
}

.section-bg-light {
    background: var(--ict-bg-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    gap: 24px;
    flex-wrap: wrap;
}

.section-title-block .section-eyebrow {
    display: inline-block;
    font-size: 13px;
    color: var(--ict-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 600;
}

.section-title-block .section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--ict-dark);
    line-height: 1.3;
    margin: 0;
}

.section-title-block .section-subtitle {
    font-size: 16px;
    color: var(--ict-text-light);
    margin-top: 12px;
    max-width: 560px;
}

.section-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ict-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 0;
    white-space: nowrap;
}

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

.section-more::after {
    content: '→';
    transition: var(--ict-transition);
}

/* ========== Products & Solutions ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: #fff;
    border-radius: var(--ict-radius-lg);
    overflow: hidden;
    box-shadow: var(--ict-shadow);
    transition: var(--ict-transition);
    border: 1px solid var(--ict-border);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ict-shadow-hover);
    border-color: rgba(0, 102, 204, 0.2);
}

.product-card-image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--ict-gradient-dark);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--ict-transition);
}

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

.product-card-icon {
    font-size: 56px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
}

.product-card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.9);
    color: #fff;
    font-size: 12px;
    border-radius: 100px;
    backdrop-filter: blur(8px);
}

.product-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-title {
    font-size: 19px;
    font-weight: 600;
    color: var(--ict-dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.product-card-title a {
    color: inherit;
}

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

.product-card-desc {
    font-size: 14px;
    color: var(--ict-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--ict-border);
}

.product-card-date {
    font-size: 13px;
    color: var(--ict-gray);
}

.product-card-link {
    font-size: 13px;
    color: var(--ict-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.product-card-link::after {
    content: '→';
    transition: var(--ict-transition);
}

.product-card-link:hover {
    gap: 8px;
}

/* ========== Industry Hotspots (Tabs layout) ========== */
.hotspot-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.hotspot-featured {
    background: #fff;
    border-radius: var(--ict-radius-lg);
    overflow: hidden;
    box-shadow: var(--ict-shadow);
    border: 1px solid var(--ict-border);
}

.hotspot-featured-image {
    aspect-ratio: 16/9;
    background: var(--ict-gradient-dark);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hotspot-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hotspot-featured-content {
    padding: 32px;
}

.hotspot-featured-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--ict-primary);
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 14px;
    font-weight: 500;
}

.hotspot-featured-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--ict-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.hotspot-featured-title a {
    color: inherit;
}

.hotspot-featured-desc {
    font-size: 15px;
    color: var(--ict-text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.hotspot-featured-meta {
    font-size: 13px;
    color: var(--ict-gray);
    display: flex;
    align-items: center;
    gap: 16px;
}

.hotspot-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hotspot-item {
    background: #fff;
    border-radius: var(--ict-radius);
    padding: 20px;
    border: 1px solid var(--ict-border);
    transition: var(--ict-transition);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.hotspot-item:hover {
    border-color: var(--ict-primary);
    box-shadow: var(--ict-shadow);
    transform: translateX(4px);
}

.hotspot-item-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--ict-bg-light);
    color: var(--ict-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.hotspot-item-content {
    flex: 1;
}

.hotspot-item-tag {
    font-size: 12px;
    color: var(--ict-primary);
    margin-bottom: 4px;
}

.hotspot-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--ict-dark);
    margin-bottom: 6px;
    line-height: 1.5;
}

.hotspot-item-title a {
    color: inherit;
}

.hotspot-item-title a:hover {
    color: var(--ict-primary);
}

.hotspot-item-meta {
    font-size: 13px;
    color: var(--ict-gray);
}

/* ========== Solutions Showcase ========== */
.solutions-showcase {
    background: var(--ict-dark);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.solutions-showcase::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(0, 102, 204, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(0, 170, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.solutions-showcase .container {
    position: relative;
    z-index: 2;
}

.solutions-showcase .section-title,
.solutions-showcase .section-eyebrow {
    color: #fff;
}

.solutions-showcase .section-eyebrow {
    color: var(--ict-accent);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.solution-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--ict-radius-lg);
    padding: 32px 24px;
    transition: var(--ict-transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ict-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--ict-transition);
}

.solution-card:hover {
    background: rgba(0, 102, 204, 0.1);
    border-color: rgba(0, 170, 255, 0.3);
    transform: translateY(-4px);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 170, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--ict-accent);
}

.solution-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #fff;
}

.solution-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 16px;
}

.solution-link {
    font-size: 13px;
    color: var(--ict-accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.solution-link::after {
    content: '→';
    transition: var(--ict-transition);
}

.solution-link:hover {
    gap: 8px;
}

/* ========== Partners / Certifications ========== */
.certifications {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.cert-item {
    background: #fff;
    border: 1px solid var(--ict-border);
    border-radius: var(--ict-radius);
    padding: 20px;
    text-align: center;
    transition: var(--ict-transition);
}

.cert-item:hover {
    border-color: var(--ict-primary);
    transform: translateY(-4px);
    box-shadow: var(--ict-shadow);
}

.cert-item-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: var(--ict-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ict-primary);
    font-size: 22px;
}

.cert-item-title {
    font-size: 13px;
    color: var(--ict-dark);
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.4;
}

.cert-item-source {
    font-size: 12px;
    color: var(--ict-gray);
}

/* ========== CTA Band ========== */
.cta-band {
    background: var(--ict-gradient);
    color: #fff;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.cta-band .container {
    position: relative;
    z-index: 2;
}

.cta-band h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-band p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
}

.cta-band .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: #fff;
    color: var(--ict-primary);
    border-radius: var(--ict-radius);
    font-size: 15px;
    font-weight: 600;
    transition: var(--ict-transition);
}

.cta-band .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    color: var(--ict-primary-dark);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--ict-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.footer-logo-mark {
    width: 40px;
    height: 40px;
    background: var(--ict-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
}

.footer-contact strong {
    color: #fff;
    display: inline-block;
    width: 70px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: var(--ict-transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--ict-accent);
    transform: translateX(4px);
}

.footer-qr {
    text-align: center;
}

.footer-qr-img {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-qr p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
}

.footer-bottom .copyright {
    color: rgba(255, 255, 255, 0.55);
}

.footer-bottom .footer-links {
    display: flex;
    gap: 20px;
}

.footer-bottom .footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
}

.footer-bottom .footer-links a:hover {
    color: var(--ict-accent);
}

/* ========== Page Header ========== */
.page-header-section {
    background: var(--ict-gradient-dark);
    color: #fff;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-header-section::before {
    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: 40px 40px;
    pointer-events: none;
}

.page-header-section .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
}

.breadcrumb a:hover {
    color: var(--ict-accent);
}

.breadcrumb .sep {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.4);
}

.page-title {
    font-size: 34px;
    font-weight: 700;
    color: #fff;
    margin: 0;
    letter-spacing: 1px;
}

.page-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 12px;
    max-width: 720px;
}

/* ========== Content Page ========== */
.content-page {
    padding: 60px 0;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
}

.content-main {
    min-width: 0;
}

.content-main h2 {
    font-size: 26px;
    color: var(--ict-dark);
    margin: 32px 0 16px;
    font-weight: 700;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--ict-border);
    position: relative;
}

.content-main h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--ict-primary);
}

.content-main h3 {
    font-size: 20px;
    color: var(--ict-dark);
    margin: 24px 0 12px;
    font-weight: 600;
}

.content-main p {
    margin-bottom: 16px;
    color: var(--ict-text);
    line-height: 1.9;
}

.content-main ul {
    margin: 16px 0;
    padding-left: 0;
}

.content-main ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
    color: var(--ict-text);
}

.content-main ul li::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--ict-primary);
    border-radius: 50%;
}

.content-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-widget {
    background: #fff;
    border: 1px solid var(--ict-border);
    border-radius: var(--ict-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--ict-shadow);
}

.sidebar-widget h4 {
    font-size: 17px;
    color: var(--ict-dark);
    margin-bottom: 16px;
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--ict-border);
    position: relative;
}

.sidebar-widget h4::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--ict-primary);
}

.sidebar-widget ul li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--ict-border);
}

.sidebar-widget ul li:last-child {
    border-bottom: none;
}

.sidebar-widget ul li a {
    color: var(--ict-text);
    font-size: 14px;
    display: block;
    transition: var(--ict-transition);
}

.sidebar-widget ul li a:hover {
    color: var(--ict-primary);
    padding-left: 6px;
}

.sidebar-contact {
    background: var(--ict-gradient);
    color: #fff;
    border-radius: var(--ict-radius-lg);
    padding: 24px;
    text-align: center;
}

.sidebar-contact h4 {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.sidebar-contact h4::after {
    background: #fff;
}

.sidebar-contact p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 6px;
}

.sidebar-contact .phone {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 10px 0;
}

/* ========== Article List Page ========== */
.article-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* ========== Single Article ========== */
.single-article {
    padding: 60px 0;
}

.article-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--ict-border);
}

.article-header .article-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--ict-primary);
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 14px;
    font-weight: 500;
}

.article-header h1 {
    font-size: 32px;
    color: var(--ict-dark);
    margin-bottom: 16px;
    line-height: 1.4;
    font-weight: 700;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 13px;
    color: var(--ict-gray);
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--ict-text);
}

.article-content p {
    margin-bottom: 20px;
}

.article-content h2,
.article-content h3 {
    color: var(--ict-dark);
    margin: 32px 0 16px;
}

.article-content img {
    border-radius: var(--ict-radius);
    margin: 20px 0;
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--ict-border);
    border-radius: var(--ict-radius);
    color: var(--ict-text);
    font-size: 14px;
    background: #fff;
    transition: var(--ict-transition);
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover {
    background: var(--ict-primary);
    color: #fff;
    border-color: var(--ict-primary);
}

/* ========== No Results ========== */
.no-results {
    text-align: center;
    padding: 60px 20px;
    background: var(--ict-bg-light);
    border-radius: var(--ict-radius-lg);
}

.no-results h2 {
    font-size: 22px;
    color: var(--ict-dark);
    margin-bottom: 8px;
}

.no-results p {
    color: var(--ict-text-light);
}

/* ========== Responsive ========== */
@media (max-width: 1100px) {
    .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; margin-bottom: 20px; }
    .solutions-grid { grid-template-columns: repeat(2, 1fr); }
    .certifications { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .menu-toggle { display: flex; }
    .main-navigation {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        padding: 20px 24px;
        max-height: 0;
        overflow: hidden;
        transition: var(--ict-transition);
        z-index: 999;
    }
    .main-navigation.open {
        max-height: 80vh;
        overflow-y: auto;
    }
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    .nav-menu > li > a { padding: 14px 16px; }
    .sub-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding-left: 16px;
        background: var(--ict-bg-light);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .nav-menu > li:hover > .sub-menu { max-height: 500px; }
    .header-actions .btn-contact { display: none; }
    .hero-title { font-size: 36px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .hotspot-layout { grid-template-columns: 1fr; }
    .article-list { grid-template-columns: repeat(2, 1fr); }
    .content-layout { grid-template-columns: 1fr; }
    .content-sidebar { position: static; }
    .section { padding: 56px 0; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .hero-title { font-size: 28px; }
    .hero-desc { font-size: 15px; }
    .section-title-block .section-title { font-size: 24px; }
    .products-grid { grid-template-columns: 1fr; }
    .article-list { grid-template-columns: 1fr; }
    .solutions-grid { grid-template-columns: 1fr; }
    .certifications { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr; }
    .top-bar { font-size: 12px; }
    .top-bar-left { display: none; }
    .container { padding: 0 16px; }
    .cta-band h2 { font-size: 22px; }
    .page-title { font-size: 26px; }
}

/* ========== WordPress Core Classes ========== */
.alignleft { float: left; margin: 0 24px 12px 0; }
.alignright { float: right; margin: 0 0 12px 24px; }
.aligncenter { display: block; margin: 24px auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 13px; color: var(--ict-gray); text-align: center; margin-top: 8px; }
.screen-reader-text {
    border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
    height: 1px; width: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute;
}
.sticky { display: block; }
.bypostauthor { display: block; }
.size-auto, .size-full, .size-large, .size-medium, .size-thumbnail { max-width: 100%; height: auto; }

/* ========== Accessibility ========== */
:focus-visible {
    outline: 2px solid var(--ict-primary);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ict-primary);
    color: #fff;
    padding: 10px 20px;
    z-index: 9999;
}

.skip-link:focus {
    left: 0;
}