/* ============================================
   泰州炫奇商贸有限公司 - 全新升级设计系统
   主色：科技蓝 #1e3a8a | 强调：活力橙 #f97316
   ============================================ */

/* === CSS变量 === */
:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --accent: #f97316;
    --accent-light: #fb923c;
    --accent-dark: #ea580c;
    --text-dark: #1e293b;
    --text-body: #475569;
    --text-light: #94a3b8;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --shadow-primary: 0 4px 20px rgba(30,58,138,0.25);
    --shadow-accent: 0 4px 20px rgba(249,115,22,0.35);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 基础重置 === */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "微软雅黑", sans-serif;
    color: var(--text-body);
    line-height: 1.7;
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* === 顶部信息栏 === */
.top-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-size: 13px;
    padding: 10px 0;
    position: relative;
    overflow: hidden;
}
.top-bar::after {
    content: '';
    position: absolute;
    top: 0; right: -100px;
    width: 300px; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08));
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
.top-bar-left { display: flex; gap: 24px; align-items: center; }
.top-bar-left span { display: flex; align-items: center; gap: 6px; }
.top-bar-right { display: flex; gap: 20px; align-items: center; }
.top-bar a:hover { color: var(--accent-light); }

/* === 导航栏 === */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    box-shadow: var(--shadow-primary);
}
.logo-text { line-height: 1.2; }
.logo-text strong {
    display: block;
    font-size: 20px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.5px;
}
.logo-text small {
    display: block;
    font-size: 10px;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.nav { display: flex; align-items: center; }
.nav li { position: relative; }
.nav > li > a {
    display: block;
    padding: 28px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}
.nav > li > a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    width: 0; height: 3px;
    background: var(--accent);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 2px;
}
.nav > li > a:hover, .nav > li > a.active {
    color: var(--primary);
}
.nav > li > a:hover::after, .nav > li > a.active::after { width: 60%; }
.nav li:hover .submenu { display: block; opacity: 1; transform: translateY(0); }
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    border-radius: var(--radius-md);
    padding: 8px 0;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}
.submenu a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px solid var(--bg-gray);
}
.submenu a:last-child { border-bottom: none; }
.submenu a:hover { background: var(--bg-light); color: var(--accent); padding-left: 24px; }
.nav-cta {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-md);
    font-weight: 600 !important;
    box-shadow: var(--shadow-accent);
    margin-left: 12px;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(249,115,22,0.45); }
.nav-cta::after { display: none !important; }

/* === Banner === */
.banner {
    min-height: 560px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #1e3a5f 100%);
    color: #fff;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.banner::before {
    content: '';
    position: absolute;
    right: -150px; top: -150px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.banner::after {
    content: '';
    position: absolute;
    left: -100px; bottom: -200px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(249,115,22,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.banner-grid {
    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;
}
.banner .container { position: relative; z-index: 1; }
.banner-content { max-width: 680px; }
.banner-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(249,115,22,0.2);
    border: 1px solid rgba(249,115,22,0.4);
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent-light);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}
.banner h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.banner h1 span {
    background: linear-gradient(135deg, var(--accent-light), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.banner p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 32px;
    opacity: 0.9;
}
.banner-features {
    display: flex;
    gap: 32px;
    margin-bottom: 36px;
}
.banner-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}
.banner-feature i {
    width: 24px; height: 24px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-style: normal;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    margin-right: 16px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: var(--shadow-accent);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(249,115,22,0.5); }
.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff;
    backdrop-filter: blur(10px);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-3px); }
.btn-white {
    background: var(--bg-white);
    color: var(--primary);
    box-shadow: var(--shadow-md);
}
.btn-white:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* === 铝价行情条 === */
.price-ticker {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    box-shadow: var(--shadow-sm);
}
.price-ticker .container {
    display: flex;
    align-items: center;
    gap: 40px;
    overflow-x: auto;
}
.price-ticker-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
    font-size: 15px;
}
.price-ticker-title::before {
    content: '';
    width: 4px; height: 20px;
    background: var(--accent);
    border-radius: 2px;
}
.price-item {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}
.price-item-label { font-size: 13px; color: var(--text-light); }
.price-item-value { font-size: 18px; font-weight: 700; color: var(--text-dark); }
.price-item-change {
    font-size: 13px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}
.price-up { color: #dc2626; background: #fef2f2; }
.price-down { color: #16a34a; background: #f0fdf4; }

/* === 数据统计栏 === */
.stats {
    background: var(--bg-light);
    padding: 50px 0;
    position: relative;
}
.stats .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid var(--primary);
}
.stat-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.stat-item:nth-child(2) { border-top-color: var(--accent); }
.stat-item:nth-child(3) { border-top-color: #10b981; }
.stat-item:nth-child(4) { border-top-color: #8b5cf6; }
.stat-item h3 {
    font-size: 44px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}
.stat-item:nth-child(2) h3 { background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; background-clip: text; }
.stat-item p { font-size: 15px; color: var(--text-light); font-weight: 500; }

/* === 通用区块 === */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-light); }
.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(30,58,138,0.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.section-header h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-header h2 span { color: var(--accent); }
.section-header p {
    font-size: 17px;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto;
}

/* === 公司简介 === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-content h3 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}
.about-content > p {
    margin-bottom: 16px;
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.9;
}
.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 28px 0;
}
.about-highlight {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.about-highlight:hover { background: var(--bg-white); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.about-highlight-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    flex-shrink: 0;
}
.about-highlight h4 { font-size: 15px; color: var(--text-dark); margin-bottom: 4px; }
.about-highlight p { font-size: 13px; color: var(--text-light); line-height: 1.5; }
.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-image img { width: 100%; height: 420px; object-fit: cover; }
.about-image-badge {
    position: absolute;
    bottom: 24px; left: 24px;
    background: var(--bg-white);
    padding: 20px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--accent);
}
.about-image-badge strong {
    display: block;
    font-size: 32px;
    color: var(--primary);
    font-weight: 800;
}
.about-image-badge span { font-size: 14px; color: var(--text-light); }

/* === 产品展示 === */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.product-img {
    height: 220px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-img-icon {
    font-size: 64px;
    opacity: 0.3;
}
.product-tag {
    position: absolute;
    top: 16px; left: 16px;
    padding: 4px 12px;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}
.product-info { padding: 24px; }
.product-info h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}
.product-info p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.product-spec {
    padding: 4px 10px;
    background: var(--bg-light);
    color: var(--text-body);
    font-size: 12px;
    border-radius: 4px;
}
.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.product-price {
    color: var(--accent);
    font-size: 16px;
    font-weight: 700;
}
.product-price small { font-size: 12px; color: var(--text-light); font-weight: 400; }
.product-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.product-link:hover { color: var(--accent); }

/* === 核心优势 === */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.advantage-item {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.advantage-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: var(--transition);
}
.advantage-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.advantage-item:hover::before { transform: scaleX(1); }
.advantage-icon {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 30px;
    box-shadow: var(--shadow-primary);
    transition: var(--transition);
}
.advantage-item:hover .advantage-icon { transform: scale(1.1) rotate(5deg); }
.advantage-item h3 {
    font-size: 19px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}
.advantage-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* === 新闻动态 === */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 28px;
}
.news-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-img {
    height: 180px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    position: relative;
    overflow: hidden;
}
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-date-badge {
    position: absolute;
    bottom: 12px; left: 16px;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
}
.news-content { padding: 24px; }
.news-category {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(249,115,22,0.1);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 12px;
}
.news-content h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-light);
}
.news-read-more { color: var(--primary); font-weight: 600; }
.news-read-more:hover { color: var(--accent); }

/* === 客户案例 === */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-img {
    height: 220px;
    background: linear-gradient(135deg, #475569, #64748b);
    position: relative;
    overflow: hidden;
}
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30,58,138,0.9), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}
.case-overlay h3 { color: #fff; font-size: 18px; font-weight: 700; }
.case-info { padding: 20px; background: var(--bg-white); }
.case-info p { color: var(--text-light); font-size: 14px; line-height: 1.7; }
.case-tags { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.case-tag {
    padding: 3px 10px;
    background: var(--bg-light);
    color: var(--text-body);
    font-size: 12px;
    border-radius: 4px;
}

/* === 合作伙伴 === */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.partner-item {
    height: 90px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 15px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.partner-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
    color: var(--accent);
}

/* === CTA区块 === */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    right: -100px; top: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(249,115,22,0.2), transparent 70%);
    border-radius: 50%;
}
.cta-section .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}
.cta-content h2 {
    font-size: 32px;
    color: #fff;
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-content p { color: rgba(255,255,255,0.8); font-size: 16px; }
.cta-phone {
    text-align: right;
}
.cta-phone span { display: block; color: rgba(255,255,255,0.7); font-size: 14px; margin-bottom: 6px; }
.cta-phone strong {
    font-size: 36px;
    color: var(--accent-light);
    font-weight: 800;
}

/* === 页脚 === */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-brand h3 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 16px;
    font-weight: 700;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}
.footer-contact-item i {
    width: 20px; height: 20px;
    background: rgba(249,115,22,0.15);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 11px;
    font-style: normal;
    flex-shrink: 0;
    margin-top: 2px;
}
.footer-contact-item a:hover { color: var(--accent-light); }
.footer h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}
.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 30px; height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 14px;
    color: #94a3b8;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-links a::before {
    content: '›';
    color: var(--accent);
    font-weight: bold;
}
.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: #64748b;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: var(--accent-light); }

/* === 悬浮按钮 === */
.floating-buttons {
    position: fixed;
    right: 20px;
    bottom: 80px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.float-btn {
    width: 52px; height: 52px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    color: var(--primary);
    font-size: 22px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
}
.float-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
    color: var(--accent);
}
.float-btn-phone {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: var(--shadow-accent);
    animation: pulse 2s infinite;
}
.float-btn-phone:hover { color: #fff; }
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(249,115,22,0.4); }
    50% { box-shadow: 0 0 0 12px rgba(249,115,22,0); }
}
.float-btn-tooltip {
    position: absolute;
    right: 64px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-dark);
    color: #fff;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}
.float-btn:hover .float-btn-tooltip { opacity: 1; right: 68px; }

/* === 页面Banner（内页） === */
.page-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    right: -100px; top: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(59,130,246,0.2), transparent 70%);
    border-radius: 50%;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: 36px; font-weight: 800; margin-bottom: 10px; }
.page-banner p { font-size: 16px; opacity: 0.85; }
.breadcrumb {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.8;
}
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb span { color: rgba(255,255,255,0.5); }

/* === 响应式 === */
@media (max-width: 1024px) {
    .banner h1 { font-size: 40px; }
    .products-grid, .news-grid, .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .stats .container { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .partners-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
    .top-bar-left span:nth-child(2), .top-bar-right { display: none; }
    .nav { display: none; }
    .banner h1 { font-size: 32px; }
    .banner p { font-size: 16px; }
    .banner-features { flex-direction: column; gap: 12px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .products-grid, .news-grid, .cases-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .stats .container { grid-template-columns: 1fr 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
    .cta-section .container { flex-direction: column; text-align: center; gap: 24px; }
    .cta-phone { text-align: center; }
    .section-header h2 { font-size: 28px; }
    .price-ticker .container { gap: 20px; }
}

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