/*
Theme Name: Libote Group Theme
Theme URI: https://www.libote.com
Author: Libote Group
Author URI: https://www.libote.com
Description: 力博特集团（广东）有限公司企业官网主题 - 简约大气的科技蓝风格，适用于UPS电源、精密空调、新能源等能源科技企业。包含首页、关于我们、产品服务、解决方案、成功案例、联系我们等页面模板。全响应式设计，支持375px-1920px+全设备适配。
Version: 2.0.0
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: libote
Tags: business, corporate, blue, technology, responsive, custom-menu, custom-logo, featured-images
*/

/* ============================================
   力博特集团（广东）有限公司 - 官网样式 v2.0
   简约大气 · 科技蓝主题 · 全响应式
   clamp() 流体尺寸 + 5断点全覆盖
   ============================================ */

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

:root {
    --primary: #0A4D8C;
    --primary-dark: #062E54;
    --primary-light: #1E6BB8;
    --accent: #00A0E9;
    --accent-light: #33B3ED;
    --text-dark: #1a1a1a;
    --text-body: #444;
    --text-light: #777;
    --text-white: #fff;
    --bg-white: #fff;
    --bg-light: #f5f7fa;
    --bg-gray: #eef1f5;
    --border: #e0e4ea;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    /* Responsive Variables */
    --max-width: clamp(100%, 92vw, 1400px);
    --pad-y: clamp(40px, 6vw, 80px);
    --pad-x: clamp(16px, 4vw, 32px);
    --gap: clamp(16px, 2.5vw, 30px);
    --radius: clamp(8px, 1vw, 12px);
}

html {
    scroll-behavior: smooth;
    font-size: clamp(14px, 1vw, 16px);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-body);
    line-height: 1.7;
    background: var(--bg-white);
    overflow-x: hidden;
    font-size: clamp(14px, 1vw, 16px);
}

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

ul, ol { list-style: none; }
img { max-width: 100%; display: block; height: auto; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

.section-title { text-align: center; margin-bottom: clamp(24px, 3vw, 50px); }
.section-title h2 { font-size: clamp(22px, 3.5vw, 36px); color: var(--text-dark); margin-bottom: 12px; position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 50px; height: 3px; background: var(--accent); margin: 12px auto 0; }
.section-title p { color: var(--text-light); font-size: clamp(13px, 1.4vw, 16px); margin-top: 8px; }
.section-title.text-left { text-align: left; }
.section-title.text-left h2::after { margin-left: 0; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: clamp(10px, 1.2vw, 12px) clamp(24px, 3vw, 32px); font-size: clamp(13px, 1.3vw, 0.95rem); font-weight: 600; border-radius: 4px; cursor: pointer; transition: var(--transition); border: none; letter-spacing: 1px; }
.btn-primary { background: var(--accent); color: var(--text-white); }
.btn-primary:hover { background: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--text-white); border: 2px solid var(--text-white); }
.btn-outline:hover { background: var(--text-white); color: var(--primary); }
.btn-dark { background: var(--primary); color: var(--text-white); }
.btn-dark:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ===== Header ===== */
.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255, 255, 255, 0.98); box-shadow: var(--shadow-sm); transition: var(--transition); }
.header-top { background: var(--primary-dark); color: rgba(255, 255, 255, 0.85); font-size: clamp(11px, 1vw, 0.82rem); padding: clamp(4px, 0.6vw, 6px) 0; }
.header-top .container { display: flex; justify-content: space-between; align-items: center; }
.header-top span { display: inline-flex; align-items: center; gap: 6px; }
.header-top .top-links a { margin-left: clamp(12px, 1.5vw, 20px); color: rgba(255, 255, 255, 0.7); font-size: clamp(11px, 1vw, 0.82rem); }
.header-top .top-links a:hover { color: var(--accent-light); }
.header-main { padding: clamp(10px, 1.5vw, 14px) 0; transition: var(--transition); }
.header-main .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: clamp(8px, 1vw, 12px); }
.logo-icon { width: clamp(38px, 5vw, 46px); height: clamp(38px, 5vw, 46px); background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: clamp(1rem, 1.6vw, 1.3rem); flex-shrink: 0; }
.logo-text h1, .logo-text .site-title { font-size: clamp(1rem, 1.8vw, 1.25rem); color: var(--primary); line-height: 1.2; margin: 0; }
.logo-text p, .logo-text .site-desc { font-size: clamp(0.62rem, 0.8vw, 0.72rem); color: var(--text-light); letter-spacing: 1px; margin: 0; }

/* ===== Navigation ===== */
.nav { display: flex; align-items: center; gap: 4px; }
.nav > li > a { display: block; padding: clamp(8px, 1.2vw, 10px) clamp(12px, 1.8vw, 18px); font-size: clamp(0.82rem, 1vw, 0.95rem); font-weight: 500; color: var(--text-dark); position: relative; }
.nav > li > a::after { content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav > li > a:hover, .nav > li > a.active, .nav > li.current-menu-item > a, .nav > li.current_page_item > a { color: var(--primary); }
.nav > li > a:hover::after, .nav > li > a.active::after, .nav > li.current-menu-item > a::after, .nav > li.current_page_item > a::after { width: 24px; }
.menu-toggle { display: none; font-size: 1.5rem; color: var(--primary); cursor: pointer; background: none; border: none; }

/* ===== Hero Section ===== */
.hero { position: relative; min-height: clamp(360px, 50vh, 600px); display: flex; align-items: center; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%); color: #fff; overflow: hidden; margin-top: 0; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>'); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -50%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(0, 160, 233, 0.15) 0%, transparent 70%); border-radius: 50%; }
.hero .container { position: relative; z-index: 2; padding-top: clamp(60px, 8vw, 100px); padding-bottom: clamp(40px, 5vw, 60px); }
.hero-content { max-width: clamp(280px, 50vw, 650px); }
.hero-tag { display: inline-block; padding: clamp(4px, 0.8vw, 6px) clamp(12px, 2vw, 18px); background: rgba(255, 255, 255, 0.15); border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 20px; font-size: clamp(12px, 1.2vw, 0.85rem); margin-bottom: clamp(12px, 2vw, 24px); backdrop-filter: blur(10px); }
.hero h1 { font-size: clamp(24px, 4.5vw, 48px); color: #fff; line-height: 1.25; margin-bottom: clamp(12px, 2vw, 20px); font-weight: 700; }
.hero h1 span { color: var(--accent-light); }
.hero p { font-size: clamp(14px, 1.6vw, 18px); color: rgba(255, 255, 255, 0.85); margin-bottom: clamp(20px, 3vw, 36px); line-height: 1.8; }
.hero-buttons { display: flex; gap: clamp(8px, 1.5vw, 16px); flex-wrap: wrap; }
.hero-stats { display: flex; gap: clamp(20px, 3vw, 50px); margin-top: clamp(24px, 3vw, 50px); padding-top: clamp(16px, 2vw, 30px); border-top: 1px solid rgba(255, 255, 255, 0.15); flex-wrap: wrap; }
.hero-stat-item .num { font-size: clamp(24px, 3vw, 38px); font-weight: 700; color: var(--accent-light); }
.hero-stat-item .label { font-size: clamp(11px, 1.2vw, 0.85rem); color: rgba(255, 255, 255, 0.7); }

/* ===== Page Banner ===== */
.page-banner { position: relative; min-height: clamp(200px, 28vh, 320px); display: flex; align-items: center; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); color: #fff; overflow: hidden; padding-top: clamp(50px, 7vw, 80px); }
.page-banner::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 320"><defs><pattern id="grid2" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="320" fill="url(%23grid2)"/></svg>'); }
.page-banner::after { content: ''; position: absolute; bottom: -30%; right: -5%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0, 160, 233, 0.12) 0%, transparent 70%); border-radius: 50%; }
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: clamp(24px, 3.5vw, 38px); color: #fff; margin-bottom: 12px; }
.page-banner p { font-size: clamp(13px, 1.4vw, 16px); color: rgba(255, 255, 255, 0.8); }
.breadcrumb { margin-top: 16px; font-size: clamp(11px, 1vw, 0.85rem); color: rgba(255, 255, 255, 0.6); }
.breadcrumb a { color: rgba(255, 255, 255, 0.8); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb span { margin: 0 8px; }

/* ===== Sections ===== */
.section { padding: var(--pad-y) 0; }
.section-bg { background: var(--bg-light); }

/* ===== About Preview ===== */
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 60px); align-items: center; }
.about-preview-img { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3; background: linear-gradient(135deg, var(--primary-light), var(--accent)); }
.about-preview-img .placeholder-img { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: clamp(40px, 6vw, 5rem); color: rgba(255, 255, 255, 0.3); }
.about-preview-text h2 { font-size: clamp(20px, 2.5vw, 2rem); margin-bottom: 20px; }
.about-preview-text .subtitle { color: var(--accent); font-size: clamp(11px, 1vw, 0.9rem); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; font-weight: 600; }
.about-preview-text p { color: var(--text-body); margin-bottom: 16px; line-height: 1.9; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 1.5vw, 20px); margin: 28px 0; }
.about-feature-item { display: flex; align-items: flex-start; gap: 12px; }
.about-feature-item .icon { width: clamp(32px, 4vw, 40px); height: clamp(32px, 4vw, 40px); background: var(--bg-light); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: clamp(1rem, 1.5vw, 1.2rem); flex-shrink: 0; color: var(--accent); }
.about-feature-item h4 { font-size: clamp(0.85rem, 1vw, 0.95rem); margin-bottom: 4px; }
.about-feature-item p { font-size: clamp(0.72rem, 0.9vw, 0.82rem); color: var(--text-light); margin: 0; }

/* ===== Products Grid ===== */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(240px, 28vw, 340px), 1fr)); gap: var(--gap); }
.product-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.product-card-img { height: clamp(140px, 18vw, 220px); background: linear-gradient(135deg, var(--primary-light), var(--accent)); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.product-card-img .icon { font-size: clamp(40px, 5vw, 3.5rem); color: rgba(255, 255, 255, 0.85); }
.product-card-img::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 60px; background: linear-gradient(transparent, rgba(0, 0, 0, 0.1)); }
.product-card-body { padding: clamp(16px, 2vw, 24px); }
.product-card-body h3 { font-size: clamp(1rem, 1.5vw, 1.2rem); margin-bottom: 8px; color: var(--text-dark); }
.product-card-body .tag { display: inline-block; padding: 3px 10px; background: var(--bg-light); color: var(--primary); font-size: clamp(11px, 1vw, 0.75rem); border-radius: 12px; margin-bottom: 12px; }
.product-card-body p { font-size: clamp(12px, 1.1vw, 0.88rem); color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.product-card-body .more { font-size: clamp(12px, 1vw, 0.85rem); color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.product-card-body .more:hover { color: var(--primary); gap: 8px; }

/* ===== Solutions ===== */
.solutions-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(300px, 40vw, 480px), 1fr)); gap: var(--gap); }
.solution-card { display: flex; gap: clamp(16px, 2vw, 24px); background: #fff; padding: clamp(20px, 2.5vw, 30px); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border); }
.solution-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.solution-card .icon-box { width: clamp(48px, 6vw, 60px); height: clamp(48px, 6vw, 60px); background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: clamp(1.4rem, 2vw, 1.8rem); color: #fff; flex-shrink: 0; }
.solution-card h3 { font-size: clamp(1rem, 1.5vw, 1.15rem); margin-bottom: 8px; }
.solution-card p { font-size: clamp(12px, 1.1vw, 0.88rem); color: var(--text-light); margin-bottom: 12px; }
.solution-card .tags { display: flex; gap: 8px; flex-wrap: wrap; }
.solution-card .tags span { font-size: clamp(11px, 1vw, 0.75rem); color: var(--primary); background: var(--bg-light); padding: 2px 10px; border-radius: 10px; }

/* ===== Stats ===== */
.stats-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: clamp(40px, 5vw, 70px) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(160px, 20vw, 1fr), 1fr)); gap: clamp(16px, 2.5vw, 30px); text-align: center; }
.stat-item .num { font-size: clamp(28px, 3.5vw, 48px); font-weight: 700; color: var(--accent-light); line-height: 1; }
.stat-item .num span { font-size: clamp(16px, 2vw, 24px); }
.stat-item .label { font-size: clamp(12px, 1.2vw, 0.95rem); color: rgba(255, 255, 255, 0.8); margin-top: 8px; }

/* ===== Cases ===== */
.cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(240px, 28vw, 340px), 1fr)); gap: var(--gap); }
.case-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-card-img { height: clamp(130px, 16vw, 200px); background: linear-gradient(135deg, var(--primary-light), var(--primary)); display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.5); font-size: clamp(40px, 5vw, 3rem); position: relative; }
.case-card-img .badge { position: absolute; top: 12px; left: 12px; background: rgba(0, 160, 233, 0.9); color: #fff; padding: 4px 12px; border-radius: 12px; font-size: clamp(11px, 1vw, 0.75rem); }
.case-card-body { padding: clamp(16px, 2vw, 24px); }
.case-card-body h3 { font-size: clamp(0.95rem, 1.4vw, 1.1rem); margin-bottom: 8px; }
.case-card-body p { font-size: clamp(12px, 1.1vw, 0.85rem); color: var(--text-light); margin-bottom: 12px; }
.case-card-body .meta { display: flex; gap: clamp(8px, 1.5vw, 16px); font-size: clamp(11px, 1vw, 0.8rem); color: var(--text-light); flex-wrap: wrap; }
.case-card-body .meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ===== Partners ===== */
.partners-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(100px, 12vw, 160px), 1fr)); gap: clamp(10px, 1.5vw, 20px); }
.partner-item { height: clamp(60px, 8vw, 80px); background: #fff; border: 1px solid var(--border); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--text-light); font-size: clamp(12px, 1.2vw, 0.9rem); font-weight: 600; transition: var(--transition); }
.partner-item:hover { border-color: var(--accent); color: var(--primary); box-shadow: var(--shadow-sm); }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; padding: clamp(36px, 5vw, 60px) 0; text-align: center; }
.cta-section h2 { color: #fff; font-size: clamp(20px, 3vw, 32px); margin-bottom: 12px; }
.cta-section p { color: rgba(255, 255, 255, 0.85); margin-bottom: 28px; font-size: clamp(14px, 1.5vw, 16px); }

/* ===== About Page ===== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 60px); align-items: center; }
.about-intro-text h2 { font-size: clamp(20px, 2.5vw, 1.8rem); margin-bottom: 20px; }
.about-intro-text p { margin-bottom: 16px; line-height: 1.9; font-size: clamp(13px, 1.1vw, 0.9rem); }
.about-intro-img { aspect-ratio: 4/3; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.3); font-size: clamp(40px, 5vw, 4rem); box-shadow: var(--shadow-lg); }

/* Timeline */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding: 20px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--border); transform: translateX(-50%); }
.timeline-item { display: flex; align-items: flex-start; margin-bottom: clamp(24px, 3vw, 40px); position: relative; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item .timeline-content { width: 45%; background: #fff; padding: clamp(16px, 2vw, 24px); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.timeline-item .timeline-year { width: 10%; display: flex; justify-content: center; align-items: center; position: relative; }
.timeline-item .timeline-year::before { content: ''; width: 16px; height: 16px; background: var(--accent); border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--accent); z-index: 2; }
.timeline-content .year { font-size: clamp(20px, 2vw, 1.5rem); font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.timeline-content h4 { font-size: clamp(14px, 1.5vw, 1.05rem); margin-bottom: 6px; }
.timeline-content p { font-size: clamp(12px, 1.1vw, 0.85rem); color: var(--text-light); }

/* Culture */
.culture-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(240px, 28vw, 340px), 1fr)); gap: var(--gap); }
.culture-card { text-align: center; padding: clamp(24px, 3vw, 40px) clamp(20px, 2.5vw, 30px); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border); }
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.culture-card .icon { width: clamp(56px, 7vw, 70px); height: clamp(56px, 7vw, 70px); margin: 0 auto 20px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: clamp(24px, 3vw, 2rem); color: #fff; }
.culture-card h3 { font-size: clamp(16px, 1.8vw, 1.2rem); margin-bottom: 10px; }
.culture-card p { font-size: clamp(12px, 1.2vw, 0.9rem); color: var(--text-light); }

/* Honor */
.honor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(180px, 22vw, 240px), 1fr)); gap: var(--gap); }
.honor-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(16px, 2vw, 24px); text-align: center; transition: var(--transition); }
.honor-item:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.honor-item .icon { font-size: clamp(28px, 3vw, 2.5rem); margin-bottom: 12px; }
.honor-item h4 { font-size: clamp(13px, 1.3vw, 0.95rem); margin-bottom: 6px; }
.honor-item p { font-size: clamp(11px, 1vw, 0.8rem); color: var(--text-light); }

/* ===== Product Detail ===== */
.product-category { margin-bottom: clamp(30px, 4vw, 60px); }
.product-category-header { display: flex; align-items: center; gap: 16px; margin-bottom: 30px; padding-bottom: 16px; border-bottom: 2px solid var(--border); }
.product-category-header .cat-icon { width: clamp(40px, 5vw, 50px); height: clamp(40px, 5vw, 50px); background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: clamp(20px, 2vw, 1.5rem); color: #fff; }
.product-category-header h3 { font-size: clamp(16px, 2vw, 1.4rem); }
.product-category-header p { font-size: clamp(12px, 1.1vw, 0.85rem); color: var(--text-light); }
.product-items-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(180px, 22vw, 240px), 1fr)); gap: var(--gap); }
.product-item-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.product-item-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); transform: translateY(-4px); }
.product-item-card .img { height: clamp(120px, 15vw, 160px); background: linear-gradient(135deg, var(--bg-gray), var(--bg-light)); display: flex; align-items: center; justify-content: center; font-size: clamp(28px, 3.5vw, 2.5rem); color: var(--primary); }
.product-item-card .body { padding: clamp(12px, 1.5vw, 16px); }
.product-item-card .body h4 { font-size: clamp(13px, 1.4vw, 0.95rem); margin-bottom: 6px; }
.product-item-card .body p { font-size: clamp(11px, 1.1vw, 0.8rem); color: var(--text-light); }
.product-item-card .body .specs { font-size: clamp(10px, 1vw, 0.75rem); color: var(--accent); margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }

/* ===== Solution Detail ===== */
.solution-detail { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 50px); margin-bottom: 60px; align-items: center; }
.solution-detail:nth-child(even) { direction: rtl; }
.solution-detail:nth-child(even) > * { direction: ltr; }
.solution-detail-img { aspect-ratio: 4/3; background: linear-gradient(135deg, var(--primary-light), var(--accent)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.3); font-size: clamp(40px, 5vw, 4rem); box-shadow: var(--shadow-md); }
.solution-detail-text h3 { font-size: clamp(20px, 2.5vw, 1.5rem); margin-bottom: 16px; }
.solution-detail-text p { margin-bottom: 16px; line-height: 1.9; font-size: clamp(13px, 1.1vw, 0.9rem); }
.solution-detail-text .features { margin-top: 20px; }
.solution-detail-text .features li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: clamp(12px, 1.2vw, 0.9rem); }
.solution-detail-text .features li::before { content: '\2713'; color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* ===== Contact ===== */
.contact-info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(clamp(220px, 25vw, 340px), 1fr)); gap: var(--gap); margin-bottom: 60px; }
.contact-info-card { text-align: center; padding: clamp(24px, 3vw, 40px) clamp(16px, 2vw, 24px); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
.contact-info-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.contact-info-card .icon { width: clamp(48px, 6vw, 60px); height: clamp(48px, 6vw, 60px); margin: 0 auto 16px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: clamp(20px, 2.5vw, 1.5rem); color: #fff; }
.contact-info-card h4 { font-size: clamp(14px, 1.6vw, 1.05rem); margin-bottom: 8px; }
.contact-info-card p { font-size: clamp(12px, 1.2vw, 0.9rem); color: var(--text-light); line-height: 1.8; }
.contact-form-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 50px); }
.contact-form { background: #fff; padding: clamp(24px, 3vw, 40px); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.contact-form h3 { font-size: clamp(18px, 2vw, 1.4rem); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: clamp(12px, 1.1vw, 0.9rem); font-weight: 600; margin-bottom: 6px; color: var(--text-dark); }
.form-group label .required { color: #e74c3c; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: clamp(10px, 1.2vw, 12px) clamp(12px, 1.5vw, 16px); border: 1px solid var(--border); border-radius: 6px; font-size: clamp(13px, 1.2vw, 0.9rem); font-family: inherit; transition: var(--transition); background: var(--bg-light); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(0, 160, 233, 0.1); }
.form-group textarea { resize: vertical; min-height: clamp(100px, 12vw, 120px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); min-height: clamp(250px, 35vh, 400px); background: var(--bg-light); display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); }
.contact-map-info { text-align: center; color: var(--text-light); }
.contact-map-info .icon { font-size: clamp(40px, 5vw, 3rem); margin-bottom: 12px; }

/* ===== Footer ===== */
.footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.7); padding: clamp(36px, 5vw, 60px) 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: clamp(20px, 3vw, 40px); padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-col h4 { color: #fff; font-size: clamp(14px, 1.5vw, 1.05rem); margin-bottom: 20px; }
.footer-col p { font-size: clamp(12px, 1.1vw, 0.85rem); line-height: 1.9; margin-bottom: 12px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: clamp(12px, 1.1vw, 0.85rem); color: rgba(255, 255, 255, 0.6); }
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo .logo-icon { width: clamp(36px, 4.5vw, 42px); height: clamp(36px, 4.5vw, 42px); }
.footer-logo h3 { color: #fff; font-size: clamp(16px, 1.8vw, 1.15rem); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: clamp(12px, 1.1vw, 0.85rem); }
.footer-contact-item .icon { font-size: clamp(14px, 1.2vw, 1rem); flex-shrink: 0; margin-top: 2px; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: clamp(11px, 1vw, 0.82rem); color: rgba(255, 255, 255, 0.5); }
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: var(--accent-light); }

/* ===== WP Specific ===== */
.wp-block { max-width: var(--max-width); margin: 0 auto; }
.entry-content img { height: auto; }
.alignnone { margin: 1em 0; }
.aligncenter { display: block; margin: 1em auto; }
.alignright { float: right; margin: 0 0 1em 1em; }
.alignleft { float: left; margin: 0 1em 1em 0; }
.screen-reader-text { border: 0; clip: rect(1px,1px,1px,1px); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute !important; width: 1px; word-wrap: normal !important; }
.sticky, .gallery-caption, .bypostauthor { display: block; }

/* ===== Animations ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   1024px (Tablet Landscape)
   768px (Tablet Portrait)
   480px (Mobile)
   375px (Small Mobile)
   1920px+ (Large Desktop)
   ============================================ */

/* ====== TABLET LANDSCAPE (1024px) ====== */
@media (max-width: 1024px) {
    .hero h1 { font-size: clamp(22px, 4vw, 36px); }
    .about-preview, .about-intro, .contact-form-section, .solution-detail { grid-template-columns: 1fr; gap: 30px; }
    .solution-detail:nth-child(even) { direction: ltr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item:nth-child(even) { flex-direction: row; padding-left: 50px; }
    .timeline-item .timeline-content { width: 100%; }
    .timeline-item .timeline-year { width: auto; position: absolute; left: 12px; top: 24px; }
    .hero-stats { gap: 24px; }
}

/* ====== TABLET PORTRAIT (768px) ====== */
@media (max-width: 768px) {
    html { font-size: 14px; }
    .nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: #fff; flex-direction: column; padding: 20px; box-shadow: var(--shadow-md); gap: 0; }
    .nav.open { display: flex; }
    .nav > li > a { padding: 12px 18px; border-bottom: 1px solid var(--border); }
    .nav > li > a::after { display: none; }
    .menu-toggle { display: block; }
    .header-top { display: none; }
    .hero { min-height: auto; padding: 60px 0; }
    .hero .container { padding-top: 60px; padding-bottom: 40px; }
    .hero h1 { font-size: clamp(20px, 5vw, 28px); }
    .hero p { font-size: 14px; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .hero-buttons { flex-direction: column; gap: 12px; }
    .hero-buttons .btn { text-align: center; }
    .section { padding: clamp(30px, 5vw, 50px) 0; }
    .section-title h2 { font-size: clamp(18px, 3vw, 24px); }
    .about-features { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .page-banner { min-height: 200px; padding-top: 60px; }
    .page-banner h1 { font-size: clamp(20px, 3.5vw, 26px); }
    .container { padding: 0 16px; }
    .contact-info-grid { grid-template-columns: 1fr; }
    .btn { display: block; width: 100%; max-width: 280px; text-align: center; margin: 8px auto; }
    .hero .btn { display: inline-block; width: auto; max-width: none; margin: 5px; }
}

/* ====== MOBILE (480px) ====== */
@media (max-width: 480px) {
    html { font-size: 13px; }
    .section { padding: 30px 0; }
    .hero { padding: 40px 0; }
    .hero .container { padding-top: 40px; padding-bottom: 30px; }
    .hero h1 { font-size: 22px; }
    .hero p { font-size: 13px; margin-bottom: 20px; }
    .hero-tag { font-size: 11px; padding: 4px 12px; margin-bottom: 12px; }
    .hero-stats { gap: 12px; }
    .hero-stat-item .num { font-size: 22px; }
    .hero-stat-item .label { font-size: 11px; }
    .section-title { margin-bottom: 24px; }
    .section-title h2 { font-size: 20px; }
    .section-title p { font-size: 13px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-item .num { font-size: 26px; }
    .partners-grid { grid-template-columns: 1fr 1fr; }
    .partner-item { height: 56px; font-size: 12px; padding: 8px; }
    .product-card-body, .case-card-body { padding: 14px; }
    .product-card-body h3, .case-card-body h3 { font-size: 16px; }
    .product-card-body p, .case-card-body p { font-size: 12px; }
    .solution-card { padding: 16px; gap: 12px; }
    .solution-card h3 { font-size: 16px; }
    .culture-card { padding: 24px 16px; }
    .culture-card .icon { width: 56px; height: 56px; font-size: 28px; }
    .contact-info-card { padding: 20px 16px; }
    .contact-form { padding: 20px; }
    .cta-section { padding: 30px 0; }
    .cta-section h2 { font-size: 20px; }
    .cta-section p { font-size: 13px; }
    .page-banner { padding: 40px 0 30px; min-height: auto; }
    .page-banner h1 { font-size: 22px; }
    .about-preview-img, .about-intro-img { min-height: 200px; }
    .footer { padding: 30px 0 0; }
    .footer-grid { padding-bottom: 24px; }
    .timeline-item .timeline-content { padding: 14px; }
    .btn { font-size: 13px; padding: 10px 24px; }
}

/* ====== SMALL MOBILE (375px) ====== */
@media (max-width: 375px) {
    html { font-size: 12px; }
    .section { padding: 24px 0; }
    .hero { padding: 30px 0; }
    .hero h1 { font-size: 20px; }
    .hero p { font-size: 12px; }
    .hero-stats { gap: 10px; }
    .hero-stat-item .num { font-size: 20px; }
    .section-title h2 { font-size: 18px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .partners-grid { grid-template-columns: 1fr 1fr; }
    .product-card-body, .case-card-body { padding: 12px; }
    .solution-card { padding: 14px; }
    .culture-card { padding: 18px 12px; }
    .contact-info-card { padding: 16px 12px; }
    .contact-form { padding: 16px; }
    .cta-section { padding: 24px 0; }
    .page-banner { padding: 30px 0 24px; }
    .page-banner h1 { font-size: 20px; }
    .footer { padding: 24px 0 0; }
    .footer-grid { gap: 20px; padding-bottom: 20px; }
    .timeline-item .timeline-content { padding: 12px; }
    .container { padding: 0 12px; }
}

/* ====== LARGE DESKTOP (1920px+) ====== */
@media (min-width: 1920px) {
    :root {
        --max-width: 1500px;
        --pad-y: 100px;
        --pad-x: 48px;
    }
    html { font-size: 18px; }
    .hero { min-height: 700px; }
    .hero h1 { font-size: 56px; }
    .hero p { font-size: 1.25rem; }
    .stats-grid { grid-template-columns: repeat(4, 1fr); max-width: 1200px; margin: 0 auto; }
    .section-title h2 { font-size: 42px; }
}