/* ============================================================
   重庆企管家科技 · 公共样式表
   版本：2.1（最终优化版）
   ============================================================ */

/* ==================== 全局重置 ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --wechat-green: #07c160;
    --wechat-green-dark: #06ad56;
    --accent-orange: #f97316;
    --accent-gold: #f59e0b;
    --bg: #f8fafc;
    --bg-alt: #f0f4ff;
    --card: #ffffff;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
    --shadow-hover: 0 12px 48px rgba(37, 99, 235, 0.14);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --max-width: 1280px;
    --section-gap: 64px;
    --section-gap-sm: 40px;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

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

/* ==================== 顶部通栏 ==================== */
.top-bar {
    background: #0f172a;
    color: #94a3b8;
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid #1e293b;
}
.top-bar .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px 24px;
}
.top-bar a {
    color: #94a3b8;
    transition: color var(--transition);
}
.top-bar a:hover {
    color: #fff;
}
.top-bar .wechat-link {
    color: #07c160;
    font-weight: 600;
}
.top-bar .wechat-link:hover {
    color: #06ad56;
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition),
        box-shadow var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 10px 24px;
}
.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
    line-height: 1.2;
}
.logo span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
    -webkit-text-fill-color: var(--text-secondary);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-weight: 500;
    font-size: 15px;
}
.nav-links a {
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}
.nav-links a:hover {
    color: var(--primary);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: width var(--transition);
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-cta {
    color: #fff !important;
    padding: 8px 22px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 14px;
    transition: transform var(--transition), box-shadow var(--transition);
}
.nav-cta::after {
    display: none !important;
}
.nav-cta-wechat {
    background: var(--wechat-green);
    box-shadow: 0 2px 12px rgba(7, 193, 96, 0.30);
}
.nav-cta-wechat:hover {
    background: var(--wechat-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.40);
    color: #fff !important;
}
.hamburger {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text);
    background: none;
    border: none;
    padding: 4px 8px;
    line-height: 1;
}

/* ==================== 移动端菜单 ==================== */
@media (max-width: 768px) {
.nav-links {
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}
.nav-links.open {
    max-height: 400px;
    opacity: 1;
    padding: 14px 0 6px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}
}
@media (min-width: 769px) {
    .nav-links {
        max-height: none;
        opacity: 1;
        overflow: visible;
        padding: 0;
        flex-direction: row;
        width: auto;
        border-top: none;
        margin-top: 0;
    }
    .nav-links.open {
        padding: 0;
        border-top: none;
        margin-top: 0;
    }
}

/* ==================== Hero（代理商身份 + 千方百剂主推） ==================== */
.hero {
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 64px 0 56px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}
.hero::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.hero .container {
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
    z-index: 1;
}
.hero-left {
    flex: 1.2;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.30);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: #fbbf24;
    margin-bottom: 16px;
}
.hero-badge .badge-icon {
    font-size: 16px;
}
.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 12px;
}
.hero h1 .highlight {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 1.05rem;
    color: #94a3b8;
    margin-bottom: 20px;
    max-width: 520px;
    line-height: 1.6;
}
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-bottom: 24px;
}
.hf-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #cbd5e1;
    font-weight: 500;
}
.hf-icon {
    font-size: 14px;
    flex-shrink: 0;
}
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.btn-wechat {
    background: var(--wechat-green);
    color: #fff;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.35);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-wechat:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(7, 193, 96, 0.45);
}
.btn-outline {
    background: transparent;
    color: #fff;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.20);
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
}
.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

/* Hero 右侧卡片 */
.hero-right {
    flex: 0.8;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-card {
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.12) 0%, rgba(30, 58, 138, 0.20) 100%);
    border: 1px solid rgba(96, 165, 250, 0.20);
    border-radius: 20px;
    padding: 32px 28px;
    text-align: center;
    position: relative;
    max-width: 300px;
    transition: transform var(--transition), border-color var(--transition);
}
.hero-card:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.40);
}
.hero-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    padding: 4px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.hero-card-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 8px auto 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.hero-card-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}
.hero-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.hero-card-tagline {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.hero-card-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 14px;
}
.hero-card-tags span {
    background: rgba(255, 255, 255, 0.08);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: #cbd5e1;
}
.hero-card-desc {
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.5;
    margin-bottom: 14px;
}
.hero-card-link {
    color: #60a5fa;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition);
}
.hero-card-link:hover {
    color: #93c5fd;
}

/* ==================== 核心代理品牌 ==================== */
.core-brands {
    margin-bottom: 50px;
}
.core-brand-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.core-brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.core-brand-card .hot {
    position: absolute;
    top: 10px;
    right: -24px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    padding: 2px 30px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transform: rotate(45deg);
    z-index: 2;
}
/* 千方百剂主推大卡片 */
.core-brand-hero {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ffffff 100%);
    border-color: #bfdbfe;
    border-width: 2px;
    padding: 32px;
}
.core-brand-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius) var(--radius) 0 0;
}
.core-brand-hero .core-brand-icon {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
}
.core-brand-hero .core-brand-icon img {
    width: 48px;
    height: 48px;
}
.core-brand-hero h3 {
    font-size: 1.35rem;
}
.core-brand-hero .core-brand-desc {
    max-width: 600px;
}
.core-brand-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition);
}
.core-brand-card:hover .core-brand-icon {
    transform: scale(1.08);
}
.core-brand-icon img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}
.core-brand-info {
    flex: 1;
    min-width: 0;
}
.core-brand-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 2px;
}
.core-brand-tagline {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 8px;
}
.core-brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}
.core-brand-tags span {
    background: #f1f4f9;
    padding: 2px 12px;
    border-radius: 30px;
    font-size: 12px;
    color: var(--text);
}
.core-brand-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 10px;
}
.core-brand-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}
.core-brand-card:hover .core-brand-link {
    gap: 8px;
}

/* ==================== 授权资质卡片 ==================== */
.auth-credentials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}
.auth-cred-card {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 28px 20px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.auth-cred-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}
.auth-cred-icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
}
.auth-cred-card h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 6px;
}
.auth-cred-card p {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

/* ==================== 数据统计条 ==================== */
.stats-bar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}
.stats-bar .container {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}
.stats-item {
    text-align: center;
}
.stats-item .number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}
.stats-item .label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    -webkit-text-fill-color: var(--text-secondary);
}

/* ==================== 通用标题 ==================== */
.section-title {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    margin: 56px 0 8px;
    letter-spacing: -0.3px;
}
.section-title .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-sub {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.05rem;
}
.section-divider {
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 4px;
    margin: 8px auto 32px;
}

/* ==================== 产品矩阵区域背景 ==================== */
.products-section {
    background: linear-gradient(180deg, #f8faff 0%, #eef3ff 50%, #ffffff 100%);
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}
.products-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -120px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.products-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -80px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ==================== 品牌卡片 ==================== */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.brand-card {
    background: #fff;
    border-radius: 18px;
    padding: 32px 24px 28px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05), 0 1px 4px rgba(0, 0, 0, 0.03);
    border: 1px solid #eef1f6;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
}
.brand-card.featured {
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 40%);
    border-color: #bfdbfe;
    box-shadow: 0 3px 20px rgba(37, 99, 235, 0.07), 0 1px 4px rgba(0, 0, 0, 0.04);
}
.brand-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 18px 18px 0 0;
}
.brand-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
    border-color: var(--primary);
}
.brand-card:active {
    transform: translateY(-3px);
}
.brand-card .hot {
    position: absolute;
    top: 12px;
    right: -28px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    padding: 2px 36px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transform: rotate(45deg);
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.30);
    z-index: 2;
}
.brand-card .icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.08);
    border: 1px solid #eef1f6;
}
.brand-card:hover .icon-wrap {
    transform: scale(1.1);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.15);
}
.brand-card .icon-wrap img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}
.brand-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.3;
}
.brand-card .tagline {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 14px;
    line-height: 1.4;
}
.brand-card .tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 16px;
}
.brand-card .tags span {
    background: #f1f4f9;
    padding: 3px 12px;
    border-radius: 30px;
    font-size: 11px;
    color: var(--text);
    font-weight: 500;
}
.brand-card .desc {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 16px;
    line-height: 1.6;
    flex: 1;
}
.brand-card .link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s ease;
    margin-top: auto;
}
.brand-card .link:hover {
    gap: 12px;
}

/* ==================== 行业方案 Tab ==================== */
.industry-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}
.industry-tab {
    padding: 8px 24px;
    border-radius: 40px;
    border: 2px solid var(--border);
    background: var(--card);
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}
.industry-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.industry-tab.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}
.industry-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.industry-content .industry-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 20px 16px;
    border: 1px solid var(--border);
    text-align: center;
    transition: border-color var(--transition), transform var(--transition);
}
.industry-content .industry-item:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}
.industry-content .industry-item .emoji {
    font-size: 2rem;
}
.industry-content .industry-item h4 {
    margin: 6px 0 2px;
    font-size: 0.95rem;
}
.industry-content .industry-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.industry-content .industry-item .match-tag {
    display: inline-block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
}

/* ==================== 关于我们页面 ==================== */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    margin-bottom: 40px;
    align-items: start;
}
.about-intro-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 28px 32px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}
.about-intro-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}
.about-intro-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}
.about-intro-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}
.about-intro-card strong {
    color: var(--primary);
}
/* 发展历程时间线 */
.about-timeline {
    position: relative;
    padding: 20px 0 20px 28px;
    border-left: 2px solid var(--primary);
}
.about-timeline-item {
    position: relative;
    margin-bottom: 24px;
}
.about-timeline-item:last-child {
    margin-bottom: 0;
}
.about-timeline-dot {
    position: absolute;
    left: -35px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px var(--primary);
}
.about-timeline-year {
    display: inline-block;
    background: var(--primary-gradient);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 12px;
    margin-bottom: 6px;
}
.about-timeline-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}
.about-timeline-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}
.about-companies {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
}
.about-company-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}
.about-company-card:first-child {
    border-top: 3px solid var(--primary);
}
.about-company-card:last-child {
    border-top: 3px solid #94a3b8;
}
.about-company-header {
    padding: 20px 24px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
}
.about-company-icon {
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.about-company-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 2px;
    color: var(--text);
}
.about-company-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
}
.about-company-info {
    padding: 16px 24px 20px;
}
.about-info-row {
    display: flex;
    align-items: baseline;
    padding: 7px 0;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.about-info-row:last-child {
    border-bottom: none;
}
.about-info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 68px;
    flex-shrink: 0;
}
.about-info-value {
    font-size: 0.9rem;
    color: var(--text);
    word-break: break-all;
}
@media (max-width: 768px) {
    .about-intro {
        grid-template-columns: 1fr;
    }
    .about-companies {
        grid-template-columns: 1fr;
    }
}
/* ==================== 授权证书（2列横排） ==================== */
.about-certs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}
.about-cert-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    overflow: hidden;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
}
.about-cert-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.10);
}
.about-cert-head {
    background: var(--primary-gradient);
    color: #fff;
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.about-cert-badge {
    background: rgba(255,255,255,0.25);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.about-cert-body {
    padding: 20px;
    text-align: center;
    background: #fafbfc;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-cert-body img {
    max-width: 100%;
    max-height: 320px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    border: 1px solid var(--border);
    object-fit: contain;
}
.about-cert-foot {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.85rem;
    flex-shrink: 0;
    background: #f8fafc;
}
.about-cert-label {
    font-weight: 700;
    color: var(--text);
}
.about-cert-level {
    color: var(--primary);
    font-weight: 600;
}
.about-cert-verify {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
}
.about-cert-verify:hover {
    text-decoration: underline;
}

/* ==================== 微信咨询独立区域 ==================== */
.about-wechat-section {
    background: var(--card);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 48px;
}
.about-wechat-header {
    background: linear-gradient(135deg, var(--wechat-green) 0%, var(--wechat-green-dark) 100%);
    color: #fff;
    padding: 14px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.about-wechat-badge {
    background: rgba(255,255,255,0.25);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.about-wechat-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    padding: 32px 24px;
    background: #fafcfb;
}
.about-wechat-item {
    text-align: center;
}
.about-wechat-item img {
    width: 130px;
    height: 130px;
    border-radius: 12px;
    border: 2px solid var(--border);
    object-fit: contain;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    margin-bottom: 10px;
}
.about-wechat-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.about-wechat-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.about-wechat-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--border);
    text-align: center;
    background: #f8fafc;
}
.about-wechat-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--wechat-green);
    color: #fff;
    padding: 10px 32px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: background var(--transition), transform var(--transition);
    box-shadow: 0 2px 12px rgba(7, 193, 96, 0.25);
}
.about-wechat-btn:hover {
    background: var(--wechat-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(7, 193, 96, 0.35);
}

@media (max-width: 768px) {
    .about-certs {
        grid-template-columns: 1fr;
    }
    .about-wechat-content {
        flex-direction: column;
        gap: 24px;
    }
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.about-grid .cert {
    grid-column: 1 / -1;
}
.about-grid .info h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}
.about-grid .info .sub {
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.about-grid .info p {
    margin-bottom: 10px;
}
.about-grid .info .highlight-box {
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    margin: 14px 0;
    border-left: 4px solid var(--primary);
}
.about-grid .info .highlight-box strong {
    color: var(--primary-dark);
}
.about-grid .cert {
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 0;
    text-align: center;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-grid .cert:hover {
    border-color: var(--primary);
}
.cert-img-placeholder {
    background: linear-gradient(135deg, #fef9f0 0%, #fdf5e6 50%, #fef9f0 100%);
    border: 3px double #d4a853;
    border-radius: 8px;
    padding: 40px 48px;
    width: 100%;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.cert-img-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
    position: relative;
    z-index: 1;
}
.cert-img-inner .cert-body {
    text-align: left;
    flex: 1;
}
.cert-stamp {
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 72px;
    color: rgba(212, 168, 83, 0.10);
    font-weight: 900;
    pointer-events: none;
}
.cert-img-inner h5 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #8b6914;
    margin-bottom: 14px;
    letter-spacing: 6px;
}
.cert-img-inner p {
    font-size: 0.92rem;
    color: #555;
    margin-bottom: 4px;
    line-height: 1.7;
}
.cert-img-inner .cert-sub {
    font-size: 0.88rem;
    color: #777;
}
.cert-seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border: 3px solid #c0392b;
    border-radius: 50%;
    color: #c0392b;
    font-size: 16px;
    font-weight: 900;
    transform: rotate(-15deg);
    opacity: 0.7;
    flex-shrink: 0;
}

/* ==================== 底部 ==================== */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 40px 0 18px;
    margin-top: 50px;
}
.footer .container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px 40px;
}
.footer-bot {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 30px;
    padding-top: 20px;
}
.footer-bot .container {
    display: block;
}
.footer h4 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1rem;
}
.footer p,
.footer a {
    font-size: 0.90rem;
    color: #cbd5e1;
    line-height: 1.8;
}
.footer a {
    display: block;
    transition: color var(--transition);
}
.footer a:hover {
    color: #fff;
}
.footer small {
    display: block;
    color: #64748b;
    font-size: 11px;
    margin: -2px 0 6px;
}
.footer .copy {
    grid-column: 1 / -1;
    text-align: center;
    border-top: 1px solid #1e293b;
    padding-top: 18px;
    font-size: 13px;
    color: #64748b;
}
.footer .wechat-link {
    color: #07c160;
}
.footer .wechat-link:hover {
    color: #06ad56;
}
.footer-qr-row {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}
.footer-qr-item {
    text-align: center;
}
.footer-qr-item img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    border: 2px solid rgba(255,255,255,0.12);
    object-fit: contain;
    background: #fff;
    display: block;
}
.footer-qr-item span {
    display: block;
    font-size: 0.72rem;
    color: #94a3b8;
    margin-top: 4px;
}

/* ==================== 悬浮客服 ==================== */
.float-kf {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 999;
    background: var(--wechat-green);
    color: #fff;
    padding: 12px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 4px 24px rgba(7, 193, 96, 0.40);
    transition: transform var(--transition), box-shadow var(--transition), opacity 0.4s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}
.float-kf.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}
.float-kf:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 32px rgba(7, 193, 96, 0.50);
}
.float-kf .badge-dot {
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.4);
        opacity: 0.5;
    }
}

/* ==================== 回到顶部 ==================== */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background: var(--primary-gradient);
    color: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.30);
    transition: opacity 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 99;
    border: none;
    cursor: pointer;
}
.back-top.visible {
    opacity: 1;
    pointer-events: auto;
}
.back-top:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(37, 99, 235, 0.45);
}

/* ==================== 入场动画 ==================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.05s; }
.reveal.delay-2 { transition-delay: 0.10s; }
.reveal.delay-3 { transition-delay: 0.15s; }
.reveal.delay-4 { transition-delay: 0.20s; }

/* ==================== 移动端触感反馈 ==================== */
.btn-wechat:active,
.btn-outline:active,
.nav-cta:active {
    transform: scale(0.96);
    opacity: 0.85;
}
.brand-card:active {
    transform: scale(0.98);
}

/* ==================== 品牌落地页专属样式 ==================== */
.brand-banner .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.brand-banner .brand-icon {
    width: 90px;
    height: 90px;
    background: #fff;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}
.brand-banner .brand-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}
.brand-banner h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
}
.brand-banner .slogan {
    font-size: 1.1rem;
    color: #94a3b8;
    margin: 8px 0 16px;
}
.brand-banner .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}
.brand-banner .tags span {
    background: rgba(255, 255, 255, 0.08);
    padding: 4px 18px;
    border-radius: 30px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.brand-banner .btn-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 4px;
}
.btn-wechat-banner {
    background: var(--wechat-green);
    color: #fff;
    padding: 12px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    transition: background var(--transition), transform var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-wechat-banner:hover {
    background: var(--wechat-green-dark);
    transform: translateY(-2px);
}
.btn-outline-banner {
    background: transparent;
    color: #fff;
    padding: 12px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid rgba(255, 255, 255, 0.20);
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
}
.btn-outline-banner:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.detail-content {
    background: var(--card);
    border-radius: var(--radius);
    padding: 40px 44px;
    margin: 40px 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.detail-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 28px 0 10px;
    padding-bottom: 6px;
    border-bottom: 3px solid var(--primary-light);
}
.detail-content h2:first-of-type {
    margin-top: 0;
}
.detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0 20px;
    font-size: 0.95rem;
}
.detail-content th,
.detail-content td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.detail-content th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.detail-content tr:last-child td {
    border-bottom: none;
}
.detail-content ul {
    padding-left: 22px;
    margin: 8px 0 14px;
}
.detail-content ul li {
    margin-bottom: 4px;
}
.detail-content ul li strong {
    color: var(--text);
}
.btn-detail-wechat {
    display: inline-block;
    background: var(--wechat-green);
    color: #fff;
    padding: 10px 34px;
    border-radius: 40px;
    font-weight: 600;
    margin-top: 8px;
    transition: background var(--transition), transform var(--transition);
    border: none;
    cursor: pointer;
}
.btn-detail-wechat:hover {
    background: var(--wechat-green-dark);
    transform: translateY(-2px);
}

/* ==================== 财贸/工贸 产品卡片 ==================== */
.cm-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 32px 0;
}
.cm-adv-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 20px 16px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: transform var(--transition), box-shadow var(--transition);
}
.cm-adv-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.cm-adv-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}
.cm-adv-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}
.cm-adv-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cm-product-card {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    margin-bottom: 20px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.cm-product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.10);
    border-color: var(--primary);
}
.cm-product-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}
.cm-product-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.cm-product-title h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2px;
    color: var(--text);
}
.cm-product-title span {
    font-size: 0.75rem;
    color: var(--primary);
    background: var(--primary-light);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
}
.cm-product-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}
.cm-product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
}
.cm-product-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}
.cm-product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--wechat-green);
    font-weight: 700;
    font-size: 0.8rem;
}
.cm-product-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.cm-btn-outline {
    padding: 8px 24px;
    border-radius: 30px;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    text-decoration: none;
}
.cm-btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.cm-btn-primary {
    padding: 8px 24px;
    border-radius: 30px;
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.20);
}
.cm-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.30);
}

/* 行业解决方案 */
.cm-solution-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.cm-solution-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 20px 14px;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.cm-solution-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: var(--primary);
}
.cm-solution-icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 8px;
}
.cm-solution-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}
.cm-solution-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .cm-solution-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .cm-advantages {
        grid-template-columns: repeat(2, 1fr);
    }
    .cm-solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cm-product-features {
        flex-direction: column;
        gap: 4px;
    }
}
@media (max-width: 480px) {
    .cm-advantages {
        grid-template-columns: 1fr;
    }
    .cm-solution-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== 分销ERP 页面样式 ==================== */
.fx-solution-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}
.fx-tab {
    padding: 8px 20px;
    border-radius: 30px;
    border: 2px solid var(--border);
    background: var(--card);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: default;
    transition: all var(--transition);
}
.fx-tab.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.20);
}
.fx-product-hero {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border: 2px solid #bfdbfe;
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 32px;
}
.fx-product-hero-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}
.fx-product-hero-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}
.fx-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.fx-feature-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 18px 16px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.fx-feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.fx-feature-icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 6px;
}
.fx-feature-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}
.fx-feature-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.fx-product-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.fx-btn-outline {
    padding: 10px 28px;
    border-radius: 30px;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    text-decoration: none;
}
.fx-btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.fx-btn-primary {
    padding: 10px 28px;
    border-radius: 30px;
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.20);
}
.fx-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.30);
}

/* 行业案例网格 */
.fx-industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 28px;
}
.fx-industry-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 18px 14px;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.fx-industry-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: var(--primary);
}
.fx-industry-icon {
    font-size: 1.6rem;
    display: block;
    margin-bottom: 6px;
}
.fx-industry-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}
.fx-industry-item p {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* 客户案例卡片 */
.fx-case-card {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fcd34d;
    border-radius: var(--radius-sm);
    padding: 24px 28px;
    margin-bottom: 32px;
    position: relative;
}
.fx-case-tag {
    position: absolute;
    top: -10px;
    left: 24px;
    background: var(--accent-gold);
    color: #fff;
    padding: 3px 14px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
}
.fx-case-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #92400e;
}
.fx-case-card p {
    font-size: 0.9rem;
    color: #78350f;
    line-height: 1.6;
    margin-bottom: 10px;
}
.fx-case-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}
.fx-case-link:hover {
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .fx-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fx-industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .fx-feature-grid {
        grid-template-columns: 1fr;
    }
    .fx-industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fx-product-hero {
        padding: 20px;
    }
}
@media (max-width: 480px) {
    .fx-industry-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== 快马数字 页面样式 ==================== */
.km-online-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}
.km-online-card {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 20px 14px;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.km-online-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: var(--accent-orange);
}
.km-online-icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 8px;
}
.km-online-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}
.km-online-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 6大营销招数 */
.km-marketing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.km-marketing-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 20px 18px;
    border: 1px solid var(--border);
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.km-marketing-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: var(--accent-orange);
}
.km-marketing-num {
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent-orange);
    opacity: 0.3;
}
.km-marketing-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}
.km-marketing-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .km-online-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .km-marketing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .km-online-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .km-marketing-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 480px) {
    .km-online-grid {
        grid-template-columns: 1fr;
    }
}
.wechat-consult-link {
    color: var(--wechat-green);
    font-weight: 600;
}
.wechat-consult-link:hover {
    color: var(--wechat-green-dark);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 16px;
}
.related-item {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 18px 16px;
    border: 1px solid var(--border);
    text-align: center;
    transition: border-color var(--transition), transform var(--transition);
}
.related-item:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}
.related-item .r-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 8px;
    border-radius: 12px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.06);
    border: 1px solid #eef1f6;
}
.related-item .r-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}
.related-item h4 {
    font-size: 0.92rem;
    font-weight: 600;
}
.related-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 2px 0 6px;
}
.related-item .r-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
}

/* ==================== 产品中心页（products.html） ==================== */
.page-hero {
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 48px 0 40px;
    text-align: center;
}
.page-hero h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.5px;
}
.page-hero-sub {
    color: #94a3b8;
    font-size: 1.05rem;
    margin-top: 8px;
}

/* ==================== 产品中心页（products.html） ==================== */
.product-detail-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: block;
}
.product-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.product-detail-card.featured {
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 40%);
    border-color: #bfdbfe;
    box-shadow: inset 0 2px 0 var(--primary), var(--shadow);
}
.product-detail-card .hot {
    position: absolute;
    top: 10px;
    right: -24px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    padding: 2px 30px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transform: rotate(45deg);
    z-index: 2;
}
.pdc-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}
.pdc-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.pdc-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}
.pdc-title h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2px;
}
.pdc-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.pdc-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}
.pdc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}
.pdc-tags span {
    background: #f1f4f9;
    padding: 2px 12px;
    border-radius: 30px;
    font-size: 12px;
    color: var(--text);
}
.pdc-products {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.pdc-products strong {
    color: var(--text-secondary);
}
.pdc-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}
.product-detail-card:hover .pdc-link {
    gap: 8px;
}

/* 产品中心底部CTA */
.products-cta {
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    border: 2px solid #bfdbfe;
    border-radius: var(--radius);
    padding: 36px 24px;
    text-align: center;
    margin-bottom: 50px;
}
.products-cta h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.products-cta p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}
.products-cta .btn-wechat {
    display: inline-flex;
}

/* 紧凑版：页面标题 */
.page-hero-compact {
    padding: 24px 0 16px;
}
.page-hero-compact h1 {
    font-size: 1.6rem;
    margin-bottom: 2px;
}
.page-hero-compact .page-hero-sub {
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.page-hero-compact .product-filters {
    margin: 0;
}

/* 紧凑版：产品卡片 — 左右横向布局 */
.product-detail-card.compact {
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid #eef1f6;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    text-decoration: none;
}
.product-detail-card.compact:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.10), 0 3px 8px rgba(0, 0, 0, 0.05);
    border-color: var(--primary);
}
.product-detail-card.compact:active {
    transform: translateY(-2px);
}
.product-detail-card.compact.featured {
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 40%);
    border-color: #bfdbfe;
    box-shadow: 0 2px 16px rgba(37, 99, 235, 0.06), 0 1px 3px rgba(0, 0, 0, 0.03);
}
.product-detail-card.compact .hot {
    top: 6px;
    right: -28px;
    padding: 1px 26px;
    font-size: 9px;
}
.pdc-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}
.pdc-icon-sm {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
    border: 1px solid #eef1f6;
}
.pdc-icon-sm img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}
.pdc-info {
    text-align: left;
    flex: 1;
    min-width: 0;
}
.pdc-info h3 {
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 1px;
    line-height: 1.3;
}
.product-detail-card.compact .pdc-tagline {
    font-size: 0.78rem;
}
.product-detail-card.compact .pdc-tags {
    margin-bottom: 0;
}
.product-detail-card.compact .pdc-tags span {
    padding: 2px 8px;
    font-size: 11px;
}

/* 紧凑版：CTA */
.products-cta-compact {
    padding: 16px 24px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.products-cta-compact span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
}
.products-cta-compact .btn-wechat {
    padding: 10px 28px;
    font-size: 14px;
}

/* 紧凑版：分类标题 */
.product-all-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

/* 3 列网格 */
@media (min-width: 1025px) {
    .product-category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 导航当前页高亮 */
.nav-links a.active {
    color: var(--primary);
    font-weight: 700;
}

/* ==================== 友情链接 ==================== */
.friend-links {
    padding: 0 0 10px;
}
.friend-links h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 10px;
}
.friend-links-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.friend-links-grid::-webkit-scrollbar {
    display: none;
}
.friend-links-grid a {
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: color var(--transition);
    white-space: nowrap;
}
.friend-links-grid a:hover {
    color: var(--primary);
}

/* ==================== 统一视觉节奏 ==================== */
/* 交替背景色区段 */
.section-alt {
    background: var(--bg-alt);
    padding: var(--section-gap) 0;
    margin: 0;
    position: relative;
    overflow: hidden;
}
.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

/* 普通区段 */
.section {
    padding: var(--section-gap) 0;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 14px 0 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.breadcrumb a {
    color: var(--primary);
    transition: color var(--transition);
}
.breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}
.breadcrumb span {
    margin: 0 6px;
}

/* 统一品牌页 banner 背景 */
.brand-banner {
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 50px 0 44px;
    position: relative;
    overflow: hidden;
}
.brand-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}
.brand-banner .container {
    position: relative;
    z-index: 1;
}

/* ==================== 千方百剂产品卡片 ==================== */
.qfbj-products {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.qfbj-product-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.02);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
}
.qfbj-product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.15), 0 0 0 2px var(--primary);
}
.qfbj-product-card .hot {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--primary-gradient);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    z-index: 2;
}
/* 顶部色条 */
.qfbj-card-top {
    height: 5px;
    background: var(--primary-gradient);
    flex-shrink: 0;
}
/* 卡片主体：水平布局 */
.qfbj-card-body {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 24px 16px;
    flex: 1;
}
.qfbj-icon {
    width: 72px;
    height: 72px;
    min-width: 72px;
    border-radius: 16px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition);
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.08);
    border: 1px solid #eef1f6;
}
.qfbj-product-card:hover .qfbj-icon {
    transform: scale(1.1);
}
.qfbj-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}
.qfbj-card-content {
    flex: 1;
    min-width: 0;
}
.qfbj-card-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}
.qfbj-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}
.qfbj-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.qfbj-tags span {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}
/* 卡片底部 */
.qfbj-card-footer {
    padding: 12px 24px 20px;
    border-top: 1px solid var(--border);
}
.qfbj-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color var(--transition);
}
.qfbj-product-card:hover .qfbj-link {
    color: var(--primary-dark);
}

@media (max-width: 768px) {
    .qfbj-products {
        grid-template-columns: 1fr;
    }
    .qfbj-card-body {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .qfbj-card-content h3 {
        text-align: center;
    }
    .qfbj-tags {
        justify-content: center;
    }
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .footer .container {
        grid-template-columns: 1fr 1fr;
    }
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    .hero-sub {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-features {
        justify-content: center;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-right {
        display: none;
    }
    .core-brands {
        grid-template-columns: 1fr;
    }
    .core-brand-hero {
        grid-column: 1;
    }
    .auth-credentials {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-bar .container {
        gap: 30px;
    }
    .product-all-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-category-grid {
        grid-template-columns: 1fr;
    }
    .product-filters {
        gap: 6px;
    }
    .product-filter {
        padding: 6px 16px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    .brand-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .product-all-grid {
        grid-template-columns: 1fr;
    }
    .footer .container {
        grid-template-columns: 1fr;
    }
    .hero {
        padding: 40px 0 36px;
    }
    .hero h1 {
        font-size: 1.6rem;
    }
    .hero-sub {
        font-size: 0.95rem;
    }
    .hero-badge {
        font-size: 12px;
        padding: 4px 14px;
    }
    .core-brand-card {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
    }
    .core-brand-hero {
        padding: 24px 18px;
    }
    .core-brand-tags {
        justify-content: center;
    }
    .core-brand-desc {
        font-size: 0.85rem;
    }
    .auth-credentials {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .auth-cred-card {
        padding: 20px 14px;
    }
    .auth-cred-card p {
        font-size: 0.9rem;
    }
    .top-bar .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .about-grid .cert .cert-placeholder {
        padding: 20px 14px;
    }
    .brand-card {
        padding: 24px 18px;
    }
    .brand-card .icon-wrap {
        width: 52px;
        height: 52px;
    }
    .brand-card .icon-wrap img {
        width: 32px;
        height: 32px;
    }
    .brand-card h3 {
        font-size: 1rem;
    }
    .brand-card .hot {
        top: 8px;
        right: -24px;
        padding: 1px 28px;
        font-size: 10px;
    }
    /* 移动端 Tab 横向滚动 */
    .industry-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 6px;
    }
    .industry-tabs::-webkit-scrollbar {
        display: none;
    }
    .industry-tab {
        flex-shrink: 0;
        padding: 6px 18px;
        font-size: 13px;
        white-space: nowrap;
    }
    /* 悬浮客服防遮挡 */
    .float-kf {
        bottom: 90px;
        right: 16px;
        padding: 10px 16px;
        font-size: 13px;
    }
    .back-top {
        bottom: 20px;
        right: 16px;
    }
    .stats-item .number {
        font-size: 1.5rem;
    }
    .stats-bar .container {
        gap: 16px;
    }
    .detail-content {
        padding: 24px 18px;
    }
    .detail-content table {
        font-size: 0.85rem;
    }
    .detail-content th,
    .detail-content td {
        padding: 8px 10px;
    }
    .brand-banner {
        padding: 32px 0 28px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== 客户案例页 ==================== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: var(--section-gap);
}
.case-card {
    background: var(--card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}
.case-card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}
.case-card-header {
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.case-card-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
    flex: 1;
}
.case-tag {
    font-size: 0.7rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
    white-space: nowrap;
}
.case-card-body {
    padding: 18px 20px;
}
.case-card-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}
.case-author {
    margin-top: 10px !important;
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    font-style: italic;
}

.cases-industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: var(--section-gap);
}
.case-industry-card {
    background: var(--card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 18px;
}
.ci-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}
.ci-icon {
    font-size: 1.3rem;
}
.ci-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
}
.case-industry-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.case-industry-card li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 3px 0;
    padding-left: 14px;
    position: relative;
}
.case-industry-card li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    color: #fff;
    padding: 56px 0;
    text-align: center;
}
.cta-section h2 {
    font-size: 1.6rem;
    margin: 0 0 10px;
}
.cta-section p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0 0 24px;
}
.cta-btn {
    display: inline-block;
    background: #fff;
    color: var(--primary);
    padding: 12px 36px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform var(--transition), box-shadow var(--transition);
}
.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    .cases-grid { grid-template-columns: 1fr; }
    .cases-industry-grid { grid-template-columns: 1fr; }
    .cta-section { padding: 40px 0; }
    .cta-section h2 { font-size: 1.3rem; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }
    .brand-grid {
        grid-template-columns: 1fr;
    }
    .btn-wechat,
    .btn-outline,
    .btn-wechat-banner,
    .btn-outline-banner {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    .btn-group {
        width: 100%;
    }
    .btn-group a {
        flex: 1;
        min-width: 120px;
    }
    .brand-banner .btn-group {
        width: 100%;
    }
    .stats-bar .container {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    .auth-credentials {
        grid-template-columns: 1fr;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .brand-banner {
        padding: 28px 0 24px;
    }
    .brand-banner h1 {
        font-size: 1.5rem;
    }
}