/* ================================
   中科数安 - 品牌官网样式
   ================================ */

/* ---------- 基础重置 ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #0a5eb8;
    --primary-dark: #063d7a;
    --primary-light: #1a7ae8;
    --accent: #00d4ff;
    --accent-green: #00e5a0;
    --dark: #0b1426;
    --dark-2: #0f1d35;
    --dark-3: #152545;
    --text: #1a1a2e;
    --text-light: #5a6577;
    --text-white: #e8edf5;
    --bg: #ffffff;
    --bg-light: #f4f7fc;
    --bg-gray: #eef2f8;
    --border: #dde4ef;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(10, 30, 70, 0.08);
    --shadow-lg: 0 8px 40px rgba(10, 30, 70, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --blue: #0a5eb8;
    --green: #0a8a6e;
    --orange: #c06a12;
    --purple: #7c3aed;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 导航栏 ---------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled, .navbar-solid {
    background: rgba(11, 20, 38, 0.95) !important;
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
    font-size: 24px; color: var(--accent);
    animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; text-shadow: 0 0 12px rgba(0, 212, 255, 0.5); }
}
.logo-img { height: 60px; width: 60px; object-fit: contain; }
.logo-text { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 2px; }

.nav-menu { display: flex; list-style: none; gap: 4px; }
.nav-link {
    color: rgba(255, 255, 255, 0.75); font-size: 14px; font-weight: 500;
    padding: 8px 14px; border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: #fff; background: rgba(255, 255, 255, 0.1);
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span {
    width: 24px; height: 2px; background: #fff;
    border-radius: 2px; transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero 首屏 ---------- */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; color: #fff;
}
.hero-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #0b1426 0%, #0a2a5e 40%, #0d3b8a 70%, #0a5eb8 100%);
}
.hero-bg::after {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 600px 400px at 20% 50%, rgba(0, 212, 255, 0.08), transparent),
        radial-gradient(ellipse 500px 300px at 80% 30%, rgba(0, 229, 160, 0.06), transparent);
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.hero-particles::before, .hero-particles::after {
    content: ''; position: absolute; border-radius: 50%;
    background: rgba(0, 212, 255, 0.03);
    animation: float 20s ease-in-out infinite;
}
.hero-particles::before { width: 600px; height: 600px; top: -200px; right: -100px; }
.hero-particles::after { width: 400px; height: 400px; bottom: -100px; left: -100px; animation-delay: -10s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(30px, -30px); }
    50% { transform: translate(-20px, 20px); }
    75% { transform: translate(20px, 10px); }
}

.hero-content { position: relative; z-index: 2; text-align: center; padding: 120px 24px 80px; }
.hero-badge {
    display: inline-block; padding: 8px 24px; margin-bottom: 28px;
    border: 1px solid rgba(0, 212, 255, 0.3); border-radius: 50px;
    background: rgba(0, 212, 255, 0.08);
    font-size: 14px; font-weight: 500; color: var(--accent); letter-spacing: 2px;
}
.hero-title { margin-bottom: 20px; }
.title-main {
    font-size: clamp(36px, 6vw, 68px); font-weight: 900; letter-spacing: 8px;
    background: linear-gradient(135deg, #fff 30%, var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 26px); font-weight: 300;
    color: rgba(255, 255, 255, 0.85); margin-bottom: 16px; letter-spacing: 4px;
}
.hero-desc { font-size: 16px; color: rgba(255, 255, 255, 0.6); max-width: 640px; margin: 0 auto 40px; }

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.btn {
    padding: 14px 36px; border-radius: var(--radius); font-size: 15px; font-weight: 600;
    cursor: pointer; transition: var(--transition); display: inline-block;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-light), var(--accent)); color: #fff; border: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.3); }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.hero-stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: 40px; font-weight: 900; color: var(--accent); }
.stat-suffix { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat-label { display: block; font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }

.scroll-indicator {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: rgba(255, 255, 255, 0.4); font-size: 12px;
    animation: bounce-down 2s ease-in-out infinite;
}
.scroll-arrow {
    width: 20px; height: 20px; border-right: 2px solid rgba(255, 255, 255, 0.4);
    border-bottom: 2px solid rgba(255, 255, 255, 0.4); transform: rotate(45deg);
}
@keyframes bounce-down {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ---------- 通用 Section ---------- */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header.light { color: #fff; }
.section-tag {
    display: inline-block; font-size: 13px; font-weight: 600;
    letter-spacing: 4px; color: var(--accent); margin-bottom: 12px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 900; margin-bottom: 12px; letter-spacing: 2px; }
.section-subtitle { font-size: 16px; color: var(--text-light); margin-bottom: 16px; }
.section-header.light .section-subtitle { color: rgba(255, 255, 255, 0.6); }
.section-line {
    width: 60px; height: 3px; margin: 0 auto;
    background: linear-gradient(90deg, var(--accent), var(--primary-light)); border-radius: 2px;
}

/* ---------- 关于我们 ---------- */
.about { background: var(--bg); }
.about-content { display: grid; gap: 50px; }
.about-lead { font-size: 18px; font-weight: 500; color: var(--primary-dark); line-height: 1.8; margin-bottom: 16px; }
.about-text p { margin-bottom: 16px; color: var(--text-light); line-height: 1.9; }
.about-text strong { color: var(--text); }

.about-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.about-card {
    padding: 32px 24px; border-radius: var(--radius);
    background: var(--bg-light); border: 1px solid var(--border);
    text-align: center; transition: var(--transition);
}
.about-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.card-icon { font-size: 36px; margin-bottom: 16px; }
.about-card h4 { font-size: 18px; margin-bottom: 8px; color: var(--primary-dark); }
.about-card p { font-size: 14px; color: var(--text-light); }

/* ================================
   产品介绍 统一板块
   ================================ */
.products-section { background: var(--bg-light); }

/* 产品展示卡片（首页概览） */
.product-showcase {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.showcase-card {
    display: flex; flex-direction: column; align-items: center;
    padding: 40px 28px 32px; border-radius: var(--radius-lg);
    background: #fff; border: 2px solid var(--border);
    text-align: center; transition: var(--transition);
    cursor: pointer; position: relative; overflow: hidden;
}
.showcase-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 4px; transition: var(--transition);
}
.showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.showcase-blue::before { background: linear-gradient(90deg, var(--blue), var(--accent)); }
.showcase-blue:hover { border-color: var(--blue); }
.showcase-green::before { background: linear-gradient(90deg, var(--green), var(--accent-green)); }
.showcase-green:hover { border-color: var(--green); }
.showcase-orange::before { background: linear-gradient(90deg, var(--orange), #f5a623); }
.showcase-orange:hover { border-color: var(--orange); }
.showcase-purple::before { background: linear-gradient(90deg, var(--purple), #a78bfa); }
.showcase-purple:hover { border-color: var(--purple); }

.sc-icon { font-size: 48px; margin-bottom: 20px; }
.sc-icon-img { height: 56px; width: 56px; margin-bottom: 20px; object-fit: contain; }
.showcase-card h4 {
    font-size: 20px; font-weight: 700; margin-bottom: 4px;
    color: var(--text);
}
.showcase-card h4 small {
    font-size: 12px; font-weight: 400; color: var(--text-light);
    display: block; margin-top: 2px;
}
.sc-label { font-size: 14px; color: var(--text-light); margin-bottom: 12px; font-weight: 500; }
.sc-desc { font-size: 13px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.sc-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 20px; }
.sc-tags span {
    padding: 3px 10px; border-radius: 50px; font-size: 11px; font-weight: 500;
    background: var(--bg-light); border: 1px solid var(--border); color: var(--text-light);
}
.showcase-blue .sc-tags span { background: rgba(10, 94, 184, 0.06); border-color: rgba(10, 94, 184, 0.15); color: var(--blue); }
.showcase-green .sc-tags span { background: rgba(10, 138, 110, 0.06); border-color: rgba(10, 138, 110, 0.15); color: var(--green); }
.showcase-orange .sc-tags span { background: rgba(192, 106, 18, 0.06); border-color: rgba(192, 106, 18, 0.15); color: var(--orange); }
.showcase-purple .sc-tags span { background: rgba(124, 58, 237, 0.06); border-color: rgba(124, 58, 237, 0.15); color: var(--purple); }

.sc-btn {
    display: inline-block; font-size: 14px; font-weight: 600;
    color: var(--primary); transition: var(--transition);
    margin-top: auto;
}
.showcase-blue .sc-btn { color: var(--blue); }
.showcase-green .sc-btn { color: var(--green); }
.showcase-orange .sc-btn { color: var(--orange); }
.showcase-purple .sc-btn { color: var(--purple); }
.showcase-card:hover .sc-btn { letter-spacing: 2px; }

/* 产品详情面板 */
.product-panels { position: relative; }
.product-panel { display: none; animation: fadeInPanel 0.4s ease-out; }
.product-panel.active { display: block; }
@keyframes fadeInPanel {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 面板英雄区 */
.panel-hero {
    border-radius: var(--radius-lg); padding: 48px 40px; margin-bottom: 32px;
}
.panel-hero-blue {
    background: linear-gradient(135deg, #0a2a5e, #0a5eb8);
    color: #fff;
}
.panel-hero-green {
    background: linear-gradient(135deg, #043d30, #0a8a6e);
    color: #fff;
}
.panel-hero-orange {
    background: linear-gradient(135deg, #3d2008, #c06a12);
    color: #fff;
}
.panel-hero-purple {
    background: linear-gradient(135deg, #2d1a5e, #7c3aed);
    color: #fff;
}
.panel-tag { font-size: 12px; letter-spacing: 3px; opacity: 0.7; margin-bottom: 8px; display: block; }
.panel-hero h3 { font-size: 28px; font-weight: 900; margin-bottom: 16px; }
.panel-hero p { font-size: 15px; line-height: 1.9; opacity: 0.85; max-width: 900px; margin-bottom: 20px; }
.panel-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.panel-tags span {
    padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 500;
    background: rgba(255, 255, 255, 0.15); border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 面板块 */
.panel-block {
    padding: 40px; margin-bottom: 24px;
    background: #fff; border-radius: var(--radius);
    border: 1px solid var(--border);
}
.panel-block-dark {
    background: var(--dark-2); border-color: rgba(255, 255, 255, 0.08);
}
.block-title {
    font-size: 20px; font-weight: 700; color: var(--primary-dark);
    margin-bottom: 24px; letter-spacing: 1px;
}
.block-title.light { color: #fff; }
.block-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; max-width: 800px; }
.panel-block-dark .block-desc { color: rgba(255, 255, 255, 0.6); }

/* 痛点方案 */
.pain-solution {
    display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px;
    align-items: center;
}
.pain-box, .solution-box { padding: 28px; border-radius: var(--radius); }
.pain-box { background: rgba(255, 100, 80, 0.06); border: 1px solid rgba(255, 100, 80, 0.15); }
.pain-box h4 { color: #e05540; font-size: 16px; margin-bottom: 10px; }
.pain-box p { font-size: 13px; color: var(--text-light); line-height: 1.8; }
.solution-box { background: rgba(0, 180, 216, 0.06); border: 1px solid rgba(0, 180, 216, 0.15); }
.solution-box h4 { color: var(--primary); font-size: 16px; margin-bottom: 10px; }
.solution-box p { font-size: 13px; color: var(--text-light); line-height: 1.8; }
.solution-arrow { font-size: 28px; color: var(--primary); text-align: center; }

/* 迷你功能卡片 */
.mini-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.mini-card {
    padding: 24px 20px; border-radius: var(--radius-sm);
    background: var(--bg-light); border: 1px solid var(--border);
    position: relative; overflow: hidden; transition: var(--transition);
}
.mini-card:hover { border-color: var(--primary-light); transform: translateY(-2px); }
.mini-num {
    font-size: 40px; font-weight: 900; color: rgba(10, 94, 184, 0.06);
    position: absolute; top: 6px; right: 12px;
}
.mini-card h5 { font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--primary-dark); }
.mini-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 布局标签 */
.layout-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.layout-chips span {
    padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 500;
    background: rgba(0, 212, 255, 0.1); border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--accent);
}

/* 战法网格 */
.tactic-mini-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.tactic-mini {
    display: flex; flex-direction: column; gap: 4px;
    padding: 20px; border-radius: var(--radius-sm);
    background: var(--bg-light); border: 1px solid var(--border);
    transition: var(--transition);
}
.tactic-mini:hover { border-color: var(--primary-light); }
.tactic-mini-custom { border-style: dashed; }
.tm-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-bottom: 4px; }
.tm-plus { color: var(--primary); font-size: 18px; font-weight: 700; }
.tactic-mini h5 { font-size: 14px; font-weight: 600; color: var(--primary-dark); }
.tactic-mini p { font-size: 12px; color: var(--text-light); }

/* AI列表 */
.ai-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.ai-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px; border-radius: var(--radius-sm);
    background: var(--bg-light); border: 1px solid var(--border);
    transition: var(--transition);
}
.ai-item:hover { border-color: var(--primary-light); }
.ai-num { font-size: 24px; font-weight: 900; color: rgba(10, 94, 184, 0.12); min-width: 36px; }
.ai-item h5 { font-size: 14px; font-weight: 600; color: var(--primary-dark); margin-bottom: 4px; }
.ai-item p { font-size: 12px; color: var(--text-light); }

/* 高亮卡片 (通用) */
.highlight-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.highlight-card {
    padding: 28px 22px; border-radius: var(--radius);
    background: var(--bg-light); border: 1px solid var(--border);
    text-align: center; transition: var(--transition);
}
.highlight-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.hl-icon { font-size: 32px; margin-bottom: 12px; }
.highlight-card h5 { font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--primary-dark); }
.highlight-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 十大亮点 */
.ten-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; }
.ten-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px; border-radius: var(--radius-sm);
    background: var(--bg-light); border: 1px solid var(--border);
    transition: var(--transition);
}
.ten-item:hover { border-color: var(--orange); }
.ten-num { font-size: 24px; font-weight: 900; color: rgba(192, 106, 18, 0.12); min-width: 36px; }
.ten-item h5 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.ten-item p { font-size: 12px; color: var(--text-light); }

/* 智能体 */
.agent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.agent-card {
    padding: 24px 16px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.04), rgba(124, 58, 237, 0.08));
    border: 1px solid rgba(124, 58, 237, 0.12);
    text-align: center; transition: var(--transition);
}
.agent-card:hover { border-color: var(--purple); transform: translateY(-2px); }
.agent-icon { font-size: 28px; margin-bottom: 8px; }
.agent-card h5 { font-size: 14px; font-weight: 600; color: var(--purple); }

/* 核心价值行 */
.value-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.value-item {
    padding: 28px 24px; border-radius: var(--radius);
    background: var(--bg-light); border: 1px solid var(--border);
    transition: var(--transition);
}
.value-item:hover { border-color: var(--primary-light); }
.vi-num { font-size: 36px; font-weight: 900; color: rgba(10, 94, 184, 0.08); margin-bottom: 4px; }
.value-item h5 { font-size: 16px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.value-item p { font-size: 13px; color: var(--text-light); line-height: 1.8; }

/* ================================
   服务体系
   ================================ */
.service-section {
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%);
}
.service-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px; margin-bottom: 48px;
}
.service-card {
    padding: 36px 28px; border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}
.service-card:hover { border-color: rgba(0, 212, 255, 0.3); background: rgba(0, 212, 255, 0.04); }
.svc-icon { font-size: 32px; margin-bottom: 16px; }
.service-card h4 { font-size: 18px; color: #fff; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: rgba(255, 255, 255, 0.6); line-height: 1.8; }

.highlights-bar {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.hl-item {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 20px 16px; border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}
.hl-item:hover { border-color: rgba(0, 212, 255, 0.2); }
.hl-ico { font-size: 24px; flex-shrink: 0; }
.hl-item span { font-size: 14px; color: #fff; font-weight: 600; line-height: 1.5; }
.hl-item small { font-size: 12px; color: rgba(255, 255, 255, 0.5); font-weight: 400; }

/* ================================
   合作单位
   ================================ */
.partners-section { background: var(--bg); }
.partner-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.partner-item {
    padding: 20px 16px; border-radius: var(--radius-sm);
    background: var(--bg-light); border: 1px solid var(--border);
    text-align: center; font-size: 15px; font-weight: 500;
    color: var(--text); transition: var(--transition);
}
.partner-item:hover { border-color: var(--primary-light); color: var(--primary); }

/* ---------- 荣誉资质 ---------- */
.honors { background: var(--bg-light); }

.honor-carousel-title {
    font-size: 18px; font-weight: 700; margin-bottom: 16px;
    color: var(--primary-dark); text-align: center;
}
.honor-carousel-title:first-of-type { margin-top: 0; }

.honor-carousel {
    overflow: hidden; margin-bottom: 48px;
    mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.carousel-track {
    display: flex; gap: 20px;
    animation: scroll-left 30s linear infinite;
    width: max-content;
}
.carousel-track-slow { animation-duration: 20s; }

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.carousel-track:hover { animation-play-state: paused; }

.carousel-slide {
    flex-shrink: 0; width: 220px; height: 300px;
    border-radius: var(--radius); overflow: hidden;
    background: #fff; border: 1px solid var(--border);
    box-shadow: var(--shadow); transition: var(--transition);
}
.carousel-slide:hover { transform: scale(1.04); box-shadow: var(--shadow-lg); }
.carousel-slide img {
    width: 100%; height: 100%; object-fit: cover;
}

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: rgba(255, 255, 255, 0.7); }
.footer-top { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr auto 1fr 1fr 1fr; gap: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo span { font-size: 20px; font-weight: 700; color: #fff; }
.footer-logo-img { height: 32px; width: 32px; object-fit: contain; }
.footer-desc { font-size: 14px; line-height: 1.8; }
.footer-info h4, .footer-products h4, .footer-links h4 { font-size: 16px; color: #fff; margin-bottom: 16px; }
.contact-item { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 14px; }
.contact-icon { font-size: 16px; }
.footer-products ul, .footer-links ul { list-style: none; }
.footer-products li, .footer-links li { margin-bottom: 8px; }
.footer-products a, .footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.footer-products a:hover, .footer-links a:hover { color: var(--accent); }
.footer-bottom {
    padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4);
}

/* Footer 企业微信二维码 */
.footer-qr {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.footer-qr img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 8px;
}
.footer-qr p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* ---------- 回到顶部 ---------- */
.back-to-top {
    position: fixed; bottom: 40px; right: 40px;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; cursor: pointer;
    opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999;
    box-shadow: 0 4px 16px rgba(10, 94, 184, 0.3);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ---------- 动画 ---------- */
.fade-in {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .ten-grid { grid-template-columns: 1fr; }
    .product-showcase { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--dark); flex-direction: column; padding: 80px 24px 24px;
        transition: var(--transition); gap: 4px;
    }
    .nav-menu.active { right: 0; }
    .nav-toggle { display: flex; }

    .hero-stats { gap: 24px; }
    .stat-number { font-size: 32px; }
    .product-overview { grid-template-columns: 1fr; }
    .pain-solution { grid-template-columns: 1fr; }
    .solution-arrow { transform: rotate(90deg); }
    .panel-hero { padding: 32px 24px; }
    .panel-block { padding: 28px 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .honors-content { padding: 24px; }
    .honor-tags { gap: 8px; }
    .honor-tag { font-size: 12px; padding: 8px 14px; }
    .highlights-bar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .section { padding: 70px 0; }
    .hero-content { padding: 100px 16px 60px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; text-align: center; }
    .mini-card-grid, .highlight-grid, .tactic-mini-grid, .ai-list, .ten-grid {
        grid-template-columns: 1fr;
    }
    .agent-grid { grid-template-columns: repeat(2, 1fr); }
    .highlights-bar { grid-template-columns: 1fr; }
    .product-showcase { grid-template-columns: 1fr; }
}

/* ================================
   产品详情页 专用样式
   ================================ */

/* 面包屑导航 */
.breadcrumb {
    padding: 100px 0 0;
    background: var(--bg-light);
}
.breadcrumb-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; color: var(--text-light);
}
.breadcrumb-inner a { color: var(--primary); font-weight: 500; }
.breadcrumb-inner a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--border); }

/* 返回按钮 */
.back-to-products {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: var(--radius);
    background: var(--bg-light); border: 1px solid var(--border);
    color: var(--primary); font-size: 14px; font-weight: 600;
    transition: var(--transition); cursor: pointer;
    margin: 0 auto;
}
.back-to-products:hover {
    background: var(--primary); color: #fff; border-color: var(--primary);
    transform: translateY(-2px); box-shadow: var(--shadow);
}
.back-wrap {
    text-align: center; padding: 60px 0 80px; background: var(--bg-light);
}

/* 产品页内容区 */
.product-page-content {
    padding: 40px 0 60px;
    background: var(--bg-light);
}
.product-page-content .panel-hero { margin-bottom: 32px; }
.product-page-content .panel-block { margin-bottom: 20px; }

/* ================================
   联系我们 表单
   ================================ */
.contact-section { background: var(--bg); }

.contact-wrapper {
    display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px;
    align-items: start;
}

/* 左侧信息 */
.contact-info-side { padding: 8px 0; }
.contact-info-side h3 {
    font-size: 22px; font-weight: 700; margin-bottom: 12px; color: var(--primary-dark);
}
.contact-info-side > p {
    font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 28px;
}

.contact-info-list { display: flex; flex-direction: column; gap: 20px; }
.ci-item { display: flex; align-items: flex-start; gap: 14px; }
.ci-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.ci-item h5 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.ci-item p { font-size: 13px; color: var(--text-light); }

/* 右侧表单 */
.contact-form-side {
    padding: 36px; border-radius: var(--radius-lg);
    background: var(--bg-light); border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--text); margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
    width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: #fff;
    font-size: 14px; color: var(--text); font-family: inherit;
    transition: var(--transition); outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(26, 122, 232, 0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: #b0b8c8; }

.btn-submit {
    width: 100%; padding: 14px; border: none; border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; font-size: 15px; font-weight: 600; font-family: inherit;
    cursor: pointer; transition: var(--transition);
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(10, 94, 184, 0.3);
}

.form-feedback {
    text-align: center; font-size: 13px; margin-top: 12px;
    color: var(--primary); min-height: 20px;
}

@media (max-width: 768px) {
    .contact-wrapper { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form-side { padding: 24px; }
}

/* 联系页面 - 企业微信二维码 */
.contact-qr {
    margin-top: 32px;
    text-align: center;
}
.contact-qr img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    margin: 0 auto 10px;
}
.contact-qr p {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
}

/* ================================
   产品页 切换条
   ================================ */
.product-switcher {
    background: var(--dark-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 76px 0 16px;
}
.switcher-bar {
    max-width: 1200px; margin: 0 auto; padding: 12px 24px;
    display: flex; align-items: center; justify-content: center; gap: 12px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.switcher-item {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 22px; border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px; font-weight: 500;
    white-space: nowrap; transition: var(--transition);
    text-decoration: none;
}
.switcher-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}
.switcher-icon { font-size: 20px; flex-shrink: 0; }
.switcher-icon-img { height: 22px; width: 22px; flex-shrink: 0; object-fit: contain; }
.switcher-label { line-height: 1; }

/* 当前产品高亮 */
.switcher-item.sw-active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    pointer-events: none;
}
.sw-active.sw-blue  { border-color: var(--blue);   box-shadow: inset 0 -2px 0 var(--blue); }
.sw-active.sw-green { border-color: var(--green);  box-shadow: inset 0 -2px 0 var(--green); }
.sw-active.sw-orange{ border-color: var(--orange); box-shadow: inset 0 -2px 0 var(--orange); }
.sw-active.sw-purple{ border-color: var(--purple); box-shadow: inset 0 -2px 0 var(--purple); }

/* 面包屑 */
.product-breadcrumb {
    padding: 8px 0 0; font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}
.product-breadcrumb a { color: rgba(255, 255, 255, 0.55); text-decoration: none; }
.product-breadcrumb a:hover { color: rgba(255, 255, 255, 0.8); }
.product-breadcrumb .bc-sep { margin: 0 6px; }
.product-breadcrumb .bc-current { font-weight: 600; }

@media (max-width: 768px) {
    .switcher-bar { gap: 8px; padding: 0 16px; }
    .switcher-item { padding: 10px 14px; font-size: 13px; }
    .switcher-label small { display: none; }
}