/* ========================================
   滨江水业 CMS - 白底导航 + 蓝色系主题
   色系：主蓝 #1A73E8 + 辅助青 #00B4D8 + 背景灰 #F8F9FA
   ======================================== */

:root {
    /* 滨江水业色系 - 支持动态主题切换 */
    --primary: #1A73E8;           /* 主蓝色 - 导航、主按钮 */
    --primary-dark: #1557B0;      /* 主蓝色深色版 */
    --primary-light: #E8F0FE;     /* 主蓝色浅色背景版 */
    --accent: #00B4D8;            /* 辅助青色 - 图标、标签 */
    --accent-dark: #0095B3;       /* 辅助青色深色版 */
    --success: #34A853;            /* 成功绿 - 成功提示 */
    --text: #202124;              /* 主文字 - 标题 */
    --text-secondary: #5F6368;    /* 辅文字 - 说明 */
    --text-tertiary: #9AA0A6;    /* 更浅文字 */
    --bg: #F8F9FA;               /* 整体背景 */
    --bg-white: #FFFFFF;          /* 卡片背景 */
    --bg-card: #ffffff;
    --border: #E8EAED;            /* 分割线/边框 */
    --border-light: #F1F3F4;     /* 更浅边框 */
    --shadow-sm: 0 1px 2px rgba(60,64,67,0.08);
    --shadow: 0 1px 6px rgba(60,64,67,0.12);
    --shadow-md: 0 4px 12px rgba(60,64,67,0.10);
    --shadow-lg: 0 8px 24px rgba(60,64,67,0.12);
    --shadow-hover: 0 8px 24px var(--shadow-hover-color, rgba(26,115,232,0.18));
    --shadow-hover-color: rgba(26,115,232,0.18);  /* JS动态修改 */
    --gradient: linear-gradient(135deg, var(--gradient-start, #1A73E8) 0%, var(--gradient-end, #00B4D8) 100%);
    --gradient-start: #1A73E8;
    --gradient-end: #00B4D8;
    --hero-text: rgba(255,255,255,0.95);
    --radius: 12px;               /* 增大圆角，更现代 */
    --radius-sm: 8px;
    --radius-xs: 4px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

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

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

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    text-align: center;
    font-family: var(--font);
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--accent);
    color: white;
}
.btn-secondary:hover {
    background: var(--accent-dark);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-full { width: 100%; }
.btn-sm { padding: 6px 16px; font-size: 13px; }

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

/* ========== Header - 白底 ========== */
.header {
    background: var(--bg-white);
    color: var(--text);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo img { height: 42px; width: auto; }

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

.main-nav a {
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.main-nav a.active,
.main-nav a:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.header-phone { display: flex; align-items: center; }

.phone-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 18px;
}

.phone-icon { font-size: 20px; }

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Hero - 动态渐变 ========== */
.hero-section {
    background: var(--gradient);
    color: var(--hero-text, white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-brands {
    display: inline-block;
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    margin-bottom: 20px;
    padding: 8px 24px;
    background: rgba(255,255,255,0.15);
    border-radius: 50px;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
    color: white;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 17px;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-value {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 4px;
    color: white;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-section .btn-primary {
    background: var(--primary);
    color: white;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50px;
}

.hero-section .btn-secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 14px 36px;
    font-size: 16px;
    border-radius: 50px;
    border: 2px solid rgba(255,255,255,0.4);
}

.hero-section .btn-secondary:hover {
    background: rgba(255,255,255,0.3);
}

/* ========== Section Common ========== */
.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 50px;
}

/* ========== Features ========== */
.features-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg);
    padding: 30px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Reasons ========== */
.reasons-section {
    padding: 80px 0;
    background: var(--bg);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.reason-card {
    background: var(--bg-white);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.reason-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.reason-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
    opacity: 0.6;
}

.reason-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.reason-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== Products ========== */
.products-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.products-grid, .products-full-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.product-img {
    height: 220px;
    overflow: hidden;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-img img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-info { padding: 20px; }

.product-brand {
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.product-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.price-note {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-tertiary);
}

.product-note {
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
    background: var(--primary-light);
    padding: 6px 12px;
    border-radius: var(--radius-xs);
}

.product-category-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 11px;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-actions {
    margin-top: 16px;
}

/* ========== Category Filter ========== */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    justify-content: center;
}

.category-filter .filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border);
    border-radius: 50px;
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.category-filter .filter-btn:hover,
.category-filter .filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ========== Areas ========== */
.areas-section, .areas-full-section {
    padding: 80px 0;
    background: var(--bg);
}

.areas-grid, .areas-full-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.area-card, .area-full-card {
    background: var(--bg-white);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.area-card:hover, .area-full-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.area-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.area-icon { font-size: 32px; }

.area-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
}

.area-core, .area-detail-item {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.area-delivery {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
}

.area-feature { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 6px; }

.area-cta { margin-top: 16px; }

/* ========== FAQ ========== */
.faq-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg);
    margin-bottom: 12px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.faq-question {
    padding: 18px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition);
    font-size: 15px;
}

.faq-question:hover { background: var(--primary-light); }

.faq-toggle {
    font-size: 20px;
    color: var(--primary);
    font-weight: 400;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(26,115,232,0.1);
    flex-shrink: 0;
}

.faq-answer {
    display: none;
    padding: 0 24px 20px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 14px;
}

/* ========== News ========== */
.news-section, .news-full-section {
    padding: 80px 0;
    background: var(--bg);
}

.news-list, .news-full-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card, .news-full-card {
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover, .news-full-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.news-date {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    font-weight: 500;
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    line-height: 1.5;
}

.news-title a { color: var(--text); }
.news-title a:hover { color: var(--primary); }

.news-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.news-category {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 11px;
    border-radius: 50px;
    font-weight: 600;
}

.news-read-more {
    display: inline-block;
    margin-top: auto;
    padding-top: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
}

.news-read-more:hover { color: var(--primary-dark); }

/* ========== CTA - 动态渐变 ========== */
.cta-section {
    padding: 80px 0;
    background: var(--gradient);
    color: var(--hero-text, white);
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-section p {
    font-size: 17px;
    margin-bottom: 28px;
    opacity: 0.9;
}

.cta-phone { margin-top: 24px; }

.cta-section .btn-cta {
    background: var(--primary);
    color: white;
    font-size: 22px;
    padding: 16px 44px;
    border-radius: 50px;
    font-weight: 700;
}

.cta-section .btn-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(26,115,232,0.3);
}

/* ========== Footer - 主蓝色 ========== */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.9);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
}

.footer-about, .footer-links, .footer-contact {
    position: relative;
}

/* 6行截断 */
.footer-about p {
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.footer-links ul {
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.footer-contact #footer-contact-content {
    max-height: 150px;
    overflow: hidden;
}

.footer-about-more,
.footer-links-more,
.footer-areas-more,
.footer-contact-more {
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 8px;
}

.footer-about-more:hover,
.footer-links-more:hover,
.footer-areas-more:hover,
.footer-contact-more:hover {
    color: #5CD6F5;
}

.footer-links ul { list-style: none; }

.footer-links li { margin-bottom: 8px; }

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover { color: #ffffff; }

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact strong { color: #ffffff; }

/* WeChat - 悬停弹出400x400 */
.footer-wechat {
    margin-top: 16px;
    display: none;
}

.footer-wechat-trigger {
    color: var(--accent);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid rgba(26,115,232,0.3);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.footer-wechat-trigger:hover {
    background: rgba(26,115,232,0.1);
}

.footer-wechat-popup {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 10px;
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 16px;
    z-index: 100;
    text-align: center;
}

.footer-wechat-trigger:hover .footer-wechat-popup {
    display: block;
}

.footer-wechat-popup img {
    width: 400px;
    height: 400px;
    object-fit: contain;
    display: block;
}

.footer-wechat-popup .wechat-id-label {
    color: var(--text);
    font-size: 14px;
    margin-top: 8px;
    font-weight: 600;
}

/* Friend links */
.footer-friends {
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 24px;
}

.footer-friends h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.6);
    font-weight: 600;
}

.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.friend-links a {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 50px;
    transition: var(--transition);
}

.friend-links a:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.1);
}

.footer-bottom {
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ========== Page Header - 动态渐变 ========== */
.page-header {
    background: var(--gradient);
    color: var(--hero-text, white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
}

/* ========== About Page ========== */
.about-section { padding: 80px 0; }

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.about-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-content-richtext {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-content-richtext img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 14px 0;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.highlight-item {
    font-size: 14px;
    color: var(--primary-dark);
    font-weight: 600;
    padding: 12px 16px;
    background: var(--primary-light);
    border-radius: var(--radius-xs);
    border-left: 3px solid var(--primary);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-box {
    background: var(--primary-light);
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========== Contact Page ========== */
.contact-section { padding: 80px 0; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--primary-dark);
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon { font-size: 24px; flex-shrink: 0; }

.contact-detail h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.contact-detail p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-note {
    font-size: 12px !important;
    color: var(--primary) !important;
    margin-top: 4px;
}

.wechat-qr-section {
    margin-top: 28px;
    padding: 24px;
    background: var(--primary-light);
    border-radius: var(--radius);
    border: 1px solid rgba(26,115,232,0.2);
}

.wechat-qr-section h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.wechat-qr-section p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.wechat-qr-img {
    max-width: 140px;
    border-radius: var(--radius-xs);
    border: 3px solid white;
    box-shadow: var(--shadow);
}

.contact-form-wrapper {
    background: var(--bg);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.contact-form-wrapper h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.contact-form-wrapper > p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-size: 14px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.required { color: var(--accent); }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font);
    transition: var(--transition);
    background: var(--bg-white);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,115,232,0.12);
}

.form-message {
    padding: 14px;
    border-radius: var(--radius-sm);
    margin-top: 20px;
    font-weight: 600;
    font-size: 14px;
}

.form-message-success { background: #E6F4EA; color: #1E8E3E; }
.form-message-error { background: #FCEAEA; color: #C5221F; }

/* ========== Other Sections ========== */
.biz-section { padding: 80px 0; background: var(--bg-white); }

.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.biz-item {
    background: var(--bg);
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.biz-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.biz-icon { font-size: 48px; margin-bottom: 16px; }

.biz-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.biz-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.delivery-info-section { padding: 80px 0; }

.delivery-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.delivery-info-item {
    background: var(--primary-light);
    padding: 36px 28px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(26,115,232,0.2);
}

.info-icon { font-size: 48px; margin-bottom: 16px; }

.delivery-info-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.delivery-info-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.cert-section { padding: 80px 0; background: var(--bg-white); }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.cert-item {
    background: var(--bg);
    padding: 36px 24px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.cert-icon { font-size: 48px; margin-bottom: 16px; }

.cert-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.cert-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-info-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.contact-info-section .contact-grid {
    grid-template-columns: repeat(3, 1fr);
}

.contact-info-section .contact-item {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

/* ========== News Detail ========== */
.news-detail-page { padding: 60px 0; }

.news-detail-article {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 48px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.news-detail-article .article-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-detail-article .article-meta {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 10px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.news-detail-article .article-source {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 28px;
}

.news-detail-article .article-body {
    font-size: 15px;
    line-height: 2;
    color: var(--text);
}

.news-detail-article .article-body p {
    margin-bottom: 16px;
    text-indent: 2em;
}

.news-detail-article .article-copyright {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-tertiary);
    line-height: 1.8;
}

.news-detail-back {
    display: inline-block;
    margin-bottom: 28px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.news-detail-back:hover { color: var(--primary-dark); }

/* ========== Rental ========== */
.rental-section { padding: 80px 0; }

.rental-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.barreled-section { padding: 80px 0; background: var(--bg-white); }

/* ========== No Products ========== */
.no-products {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 15px;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .features-grid,
    .reasons-grid,
    .products-grid,
    .products-full-grid,
    .areas-grid,
    .areas-full-grid,
    .news-list,
    .news-full-list,
    .cert-grid,
    .biz-grid,
    .delivery-info-grid,
    .rental-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid { grid-template-columns: repeat(2, 1fr); }

    .about-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }

    .contact-info-section .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        padding: 16px;
        box-shadow: var(--shadow-lg);
        border-radius: 0 0 var(--radius) var(--radius);
    }

    .main-nav.active { display: block; }

    .main-nav ul { flex-direction: column; gap: 4px; }

    .main-nav a { display: block; padding: 12px 16px; border-radius: var(--radius-sm); color: var(--text); }
    .main-nav a.active, .main-nav a:hover { background: var(--primary-light); color: var(--primary); }

    .mobile-menu-toggle { display: flex; }
    .header-phone { display: none; }

    .hero-title { font-size: 32px; }
    .hero-stats { flex-direction: column; gap: 24px; align-items: center; }
    .hero-buttons { flex-direction: column; align-items: center; }

    .features-grid,
    .reasons-grid,
    .products-grid,
    .products-full-grid,
    .areas-grid,
    .areas-full-grid,
    .news-list,
    .news-full-list,
    .cert-grid,
    .biz-grid,
    .delivery-info-grid,
    .about-stats,
    .rental-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid { grid-template-columns: 1fr; }

    .section-title,
    .cta-section h2,
    .page-header h1 {
        font-size: 24px;
    }

    .hero-section { padding: 50px 0 40px; }
    .news-detail-article { padding: 24px; }
    .contact-info-section .contact-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr 1fr; }
}