/* ============================================
   万兴科技风格 - 元时光科技官网
   整合 miniprogram / zpt / zulin 三平台
   ============================================ */

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

:root {
    --brand-blue: #4F46E5;
    --brand-blue-dark: #3730A3;
    --brand-blue-light: #818CF8;
    --brand-purple: #7C3AED;
    --brand-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --brand-gradient-soft: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);
    
    --color-sky: #2a7fb3;
    --color-sky-dark: #1a3a5c;
    --color-sky-light: #4aa8e0;
    --color-gold: #D4AF37;
    --color-gold-dark: #B8960F;
    --color-green: #10B981;
    --color-green-dark: #059669;
    
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-white: #FFFFFF;
    
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-lighter: #F1F5F9;
    --bg-dark: #0F172A;
    
    --border-light: #E2E8F0;
    --border-lighter: #F1F5F9;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --shadow-blue: 0 8px 30px rgba(79,70,229,0.2);
    --shadow-gold: 0 8px 30px rgba(212,175,55,0.25);
    --shadow-sky: 0 8px 30px rgba(42,127,179,0.2);
    --shadow-green: 0 8px 30px rgba(16,185,129,0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 导航栏 ===== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    padding: 0;
    transition: var(--transition);
}

.navbar .container {
    display: flex; justify-content: space-between; align-items: center;
    height: 68px;
}

.logo {
    display: flex; align-items: center; text-decoration: none;
    gap: 10px; font-weight: 700; font-size: 20px;
    color: var(--text-primary);
}
.logo img { height: 36px; width: auto; border-radius: var(--radius-sm); }

.nav-toggle { display: none; font-size: 24px; cursor: pointer; color: var(--text-primary); }

.nav-menu {
    display: flex; list-style: none; gap: 8px; align-items: center;
}

.nav-menu li a {
    text-decoration: none; color: var(--text-secondary);
    font-weight: 500; font-size: 15px; padding: 8px 16px;
    border-radius: var(--radius-full); transition: var(--transition);
}
.nav-menu li a:hover { color: var(--brand-blue); background: var(--bg-lighter); }
.nav-menu li a.active { color: var(--brand-blue); background: #EEF2FF; font-weight: 600; }

.btn-contact {
    background: var(--brand-gradient) !important;
    color: var(--text-white) !important;
    box-shadow: var(--shadow-blue);
}
.btn-contact:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }

/* ===== 滚动进度条 ===== */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px;
    background: var(--brand-gradient); z-index: 1001;
    transition: width 0.1s linear;
}

/* ===== Hero 区域 ===== */
.hero-section {
    padding: 140px 0 80px;
    background: var(--brand-gradient-soft);
    text-align: center;
    position: relative; overflow: hidden;
}
.hero-section::before {
    content: ''; position: absolute; top: -50%; left: -20%;
    width: 140%; height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(79,70,229,0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 30%, rgba(124,58,237,0.05) 0%, transparent 50%);
    pointer-events: none;
}
.hero-badge {
    display: inline-block; padding: 6px 16px;
    background: rgba(79,70,229,0.08); color: var(--brand-blue);
    border-radius: var(--radius-full); font-size: 13px; font-weight: 600;
    letter-spacing: 2px; margin-bottom: 20px; text-transform: uppercase;
}
.hero-title {
    font-size: 52px; font-weight: 800; line-height: 1.15;
    background: var(--brand-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 16px; position: relative; z-index: 1;
}
.hero-subtitle {
    font-size: 18px; color: var(--text-secondary);
    max-width: 640px; margin: 0 auto 32px; line-height: 1.7; position: relative; z-index: 1;
}
.hero-stats {
    display: flex; justify-content: center; gap: 48px; margin-top: 40px; position: relative; z-index: 1;
}
.hero-stat { text-align: center; }
.hero-stat h3 { font-size: 36px; font-weight: 800; color: var(--brand-blue); }
.hero-stat p { font-size: 14px; color: var(--text-tertiary); margin-top: 4px; }

/* ===== 产品平台入口卡片 ===== */
.platforms-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    background: var(--bg-white);
    padding: 40px 36px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.platform-card.card-sky::before { background: linear-gradient(90deg, var(--color-sky), var(--color-sky-light)); }
.platform-card.card-gold::before { background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold)); }
.platform-card.card-purple::before { background: linear-gradient(90deg, var(--brand-purple), #A78BFA); }

.platform-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    border-color: transparent;
}

.platform-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card-sky .platform-icon {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    color: var(--color-sky);
}

.card-gold .platform-icon {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    color: var(--color-gold-dark);
}

.card-purple .platform-icon {
    background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 100%);
    color: var(--brand-purple);
}

.platform-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.platform-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.platform-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    width: 100%;
}

.platform-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.platform-features li i {
    font-size: 14px;
    flex-shrink: 0;
}

.card-sky .platform-features li i { color: var(--color-sky); }
.card-gold .platform-features li i { color: var(--color-gold); }
.card-purple .platform-features li i { color: var(--brand-purple); }

.platform-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    transition: var(--transition);
    border: 2px solid transparent;
}

.card-sky .platform-link {
    color: var(--color-sky);
    background: #F0F9FF;
}

.card-gold .platform-link {
    color: var(--color-gold-dark);
    background: #FFFBEB;
}

.card-purple .platform-link {
    color: var(--brand-purple);
    background: #F5F3FF;
}

.platform-card:hover .platform-link {
    transform: translateX(0);
}

.card-sky:hover .platform-link {
    background: var(--color-sky);
    color: white;
}

.card-gold:hover .platform-link {
    background: var(--color-gold);
    color: white;
}

.card-purple:hover .platform-link {
    background: var(--brand-purple);
    color: white;
}

/* ===== 产品Hero ===== */
.product-hero { padding: 64px 0; }
.product-hero .container {
    display: flex; align-items: center; gap: 60px;
}
.hero-content { flex: 1; }
.product-label {
    display: inline-block; font-size: 12px; font-weight: 600;
    padding: 4px 12px; border-radius: var(--radius-full);
    letter-spacing: 1.5px; margin-bottom: 12px; text-transform: uppercase;
}
.product-label.label-blue { background: #EEF2FF; color: var(--brand-blue); }
.product-label.label-gold { background: #FFFBEB; color: #B8960F; }
.product-label.label-sky { background: #F0F9FF; color: #2a7fb3; }
.product-label.label-green { background: #ECFDF5; color: #059669; }
.product-label.label-purple { background: #F5F3FF; color: #7C3AED; }

.product-hero .hero-title { font-size: 40px; font-weight: 800; color: var(--text-primary); }
.product-hero .hero-subtitle {
    font-size: 17px; color: var(--text-secondary);
    margin-bottom: 24px; max-width: 560px; line-height: 1.7;
}

.hero-image { flex: 1; }
.hero-image .image-placeholder {
    background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
    border-radius: var(--radius-2xl); height: 360px;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    color: var(--text-tertiary); font-size: 16px; transition: var(--transition);
}
.image-placeholder i { font-size: 64px; margin-bottom: 12px; opacity: 0.6; }
.image-placeholder:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* 产品Hero背景 */
.hero-route { background: linear-gradient(135deg, #FFFFFF 0%, #FFF7ED 100%); }
.hero-route .image-placeholder i { color: #F97316; }
.hero-camping { background: linear-gradient(135deg, #FFFFFF 0%, #ECFDF5 100%); }
.hero-camping .image-placeholder i { color: #10B981; }
.hero-photo { background: linear-gradient(135deg, #FFFFFF 0%, #EFF6FF 100%); }
.hero-photo .image-placeholder i { color: #3B82F6; }
.hero-miniprogram { background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%); }
.hero-miniprogram .image-placeholder i { color: #2a7fb3; }
.hero-zpt { background: linear-gradient(135deg, #FFFFFF 0%, #FFFBEB 100%); }
.hero-zpt .image-placeholder i { color: #D4AF37; }
.hero-zulin { background: linear-gradient(135deg, #FFFFFF 0%, #F5F3FF 100%); }
.hero-zulin .image-placeholder i { color: #7C3AED; }

/* ===== 产品亮点列表 ===== */
.product-highlights {
    list-style: none; display: grid;
    grid-template-columns: repeat(2, 1fr); gap: 12px;
    margin: 20px 0; max-width: 520px;
}
.product-highlights li {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; color: var(--text-secondary); font-weight: 500;
}
.product-highlights li i { font-size: 16px; flex-shrink: 0; }
.hero-route .product-highlights li i { color: #F97316; }
.hero-camping .product-highlights li i { color: #10B981; }
.hero-photo .product-highlights li i { color: #3B82F6; }
.hero-miniprogram .product-highlights li i { color: #2a7fb3; }
.hero-zpt .product-highlights li i { color: #D4AF37; }
.hero-zulin .product-highlights li i { color: #7C3AED; }

/* ===== 按钮 ===== */
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

.btn-primary, .btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-full);
    text-decoration: none; font-weight: 600; font-size: 15px;
    transition: var(--transition); cursor: pointer; border: none;
    font-family: var(--font-family);
}
.btn-primary {
    background: var(--brand-gradient); color: var(--text-white);
    box-shadow: var(--shadow-blue);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary {
    background: transparent; color: var(--brand-blue);
    border: 2px solid #E0E7FF;
}
.btn-secondary:hover { background: #EEF2FF; border-color: var(--brand-blue); transform: translateY(-2px); }

/* 产品按钮颜色 */
.btn-route { background: linear-gradient(135deg, #F97316, #FB923C); box-shadow: 0 4px 16px rgba(249,115,22,0.25); }
.btn-route:hover { box-shadow: 0 8px 24px rgba(249,115,22,0.35); }
.btn-camping { background: linear-gradient(135deg, #10B981, #34D399); box-shadow: 0 4px 16px rgba(16,185,129,0.25); }
.btn-camping:hover { box-shadow: 0 8px 24px rgba(16,185,129,0.35); }
.btn-photo { background: linear-gradient(135deg, #3B82F6, #60A5FA); box-shadow: 0 4px 16px rgba(59,130,246,0.25); }
.btn-photo:hover { box-shadow: 0 8px 24px rgba(59,130,246,0.35); }
.btn-sky { background: linear-gradient(135deg, #2a7fb3, #4aa8e0); box-shadow: 0 4px 16px rgba(42,127,179,0.25); }
.btn-sky:hover { box-shadow: 0 8px 24px rgba(42,127,179,0.35); }
.btn-gold { background: linear-gradient(135deg, #D4AF37, #F5D061); box-shadow: 0 4px 16px rgba(212,175,55,0.3); }
.btn-gold:hover { box-shadow: 0 8px 24px rgba(212,175,55,0.45); }
.btn-purple { background: linear-gradient(135deg, #7C3AED, #A78BFA); box-shadow: 0 4px 16px rgba(124,58,237,0.25); }
.btn-purple:hover { box-shadow: 0 8px 24px rgba(124,58,237,0.35); }

/* ===== 通用区块 ===== */
section { padding: 80px 0; }

.section-title {
    font-size: 36px; font-weight: 800; text-align: center;
    color: var(--text-primary); margin-bottom: 12px;
}
.section-subtitle {
    font-size: 17px; text-align: center; color: var(--text-tertiary);
    margin-bottom: 48px; max-width: 640px; margin-left: auto; margin-right: auto;
}

/* ===== 卡片网格 ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg-white); padding: 32px;
    border-radius: var(--radius-xl); border: 1px solid var(--border-light);
    transition: var(--transition); cursor: pointer;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg); border-color: transparent;
}

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-header h3 { font-size: 19px; font-weight: 700; color: var(--text-primary); }

.card-tag {
    color: var(--text-white); padding: 4px 12px;
    border-radius: var(--radius-full); font-size: 12px; font-weight: 600; white-space: nowrap;
}
.tag-route { background: #F97316; }
.tag-camping { background: #10B981; }
.tag-photo { background: #3B82F6; }
.tag-miniprogram { background: #2a7fb3; }
.tag-zpt { background: #D4AF37; color: #1E293B; }
.tag-zulin { background: #7C3AED; }

.card p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.6; font-size: 15px; }

.card-info {
    display: flex; justify-content: space-between;
    color: var(--text-tertiary); font-size: 13px; gap: 8px; flex-wrap: wrap;
}
.card-info span { display: flex; align-items: center; gap: 4px; }

.card-route { border-top: 4px solid #F97316; }
.card-camping { border-top: 4px solid #10B981; }
.card-photo { border-top: 4px solid #3B82F6; }
.card-miniprogram { border-top: 4px solid #2a7fb3; }
.card-zpt { border-top: 4px solid #D4AF37; }
.card-zulin { border-top: 4px solid #7C3AED; }

/* ===== 平台功能网格 ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.feature-card {
    background: var(--bg-white); padding: 24px 20px;
    border-radius: var(--radius-lg); border: 1px solid var(--border-light);
    text-align: center; transition: var(--transition); cursor: pointer;
}
.feature-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent;
}
.feature-card i { font-size: 32px; margin-bottom: 12px; display: block; }
.feature-card h4 { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.feature-card p { font-size: 13px; color: var(--text-tertiary); margin-top: 4px; }

/* ===== 美景展示 ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.gallery-item {
    border-radius: var(--radius-xl); overflow: hidden;
    transition: var(--transition); cursor: pointer;
}
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.gallery-placeholder {
    height: 200px;
    background: linear-gradient(135deg, var(--bg-lighter) 0%, #E2E8F0 100%);
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    color: var(--text-tertiary);
}
.gallery-placeholder i { font-size: 48px; margin-bottom: 8px; opacity: 0.6; }

/* ===== 关于我们 ===== */
.about-section { background: var(--bg-light); }
.about-content { display: flex; align-items: center; gap: 64px; }
.about-text { flex: 1; }
.about-text h3 { font-size: 28px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.about-text p { color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; }
.stats { display: flex; gap: 48px; margin-top: 32px; }
.stat { text-align: center; }
.stat h4 { font-size: 32px; font-weight: 800; background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat p { font-size: 14px; color: var(--text-tertiary); margin-top: 4px; }
.about-image { flex: 1; }
.about-image .image-placeholder { height: 320px; border-radius: var(--radius-2xl); }

/* ===== 联系我们 ===== */
.contact-content {
    display: flex; gap: 48px;
    background: var(--bg-white); padding: 48px;
    border-radius: var(--radius-2xl); border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}
.contact-info { flex: 1; }
.contact-info h3 { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 24px; }
.contact-details { margin-bottom: 28px; }
.contact-details p { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: var(--text-primary); }
.contact-details i { color: var(--brand-blue); width: 20px; text-align: center; }
.social-links { display: flex; gap: 12px; }
.social-links a {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; background: var(--bg-lighter);
    border-radius: var(--radius-full); color: var(--text-secondary);
    font-size: 18px; transition: var(--transition); text-decoration: none;
}
.social-links a:hover { background: var(--brand-gradient); color: white; transform: translateY(-2px); box-shadow: var(--shadow-blue); }

.contact-form { flex: 1; }
.contact-form form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea {
    padding: 14px 16px; border: 1px solid var(--border-light);
    border-radius: var(--radius-md); font-family: var(--font-family);
    font-size: 15px; transition: var(--transition); background: var(--bg-lighter);
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none; border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1); background: var(--bg-white);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button {
    padding: 14px 28px; background: var(--brand-gradient);
    color: white; border: none; border-radius: var(--radius-full);
    font-weight: 600; font-size: 16px; cursor: pointer; transition: var(--transition);
    box-shadow: var(--shadow-blue); font-family: var(--font-family);
}
.contact-form button:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-dark); color: var(--text-white);
    padding: 60px 0 24px;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px; margin-bottom: 40px;
}
.footer-logo { display: flex; flex-direction: column; align-items: flex-start; }
.footer-logo img { height: 44px; margin-bottom: 12px; border-radius: var(--radius-sm); }
.footer-logo p { color: #94A3B8; font-size: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links h4, .footer-contact h4 { font-size: 16px; font-weight: 600; margin-bottom: 12px; color: white; }
.footer-links a { color: #94A3B8; text-decoration: none; font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: #818CF8; }
.footer-links-row { flex-direction: row; justify-content: space-between; flex-wrap: wrap; gap: 40px; }
.footer-links-row > div { flex: 1; min-width: 180px; }
.footer-contact p { color: #94A3B8; font-size: 14px; margin-bottom: 6px; }
.footer-bottom {
    text-align: center; padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: #64748B; font-size: 13px;
}

/* ===== 产品详情区背景 ===== */
.detail-light { background: var(--bg-light); }

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .product-hero .container, .about-content, .contact-content { flex-direction: column; }
    .hero-title { font-size: 36px; }
    .product-hero .hero-title { font-size: 32px; }
    .hero-stats { gap: 32px; }
    .stats { gap: 32px; }
    .cards-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-menu {
        position: fixed; top: 68px; left: 0; width: 100%;
        background: var(--bg-white); flex-direction: column;
        padding: 16px; box-shadow: var(--shadow-lg);
        transform: translateY(-120%); opacity: 0; visibility: hidden;
        transition: var(--transition); z-index: 999; gap: 4px;
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; visibility: visible; }
    .platforms-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-stats { gap: 20px; flex-wrap: wrap; }
    .hero-stat h3 { font-size: 28px; }
    .product-highlights { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: 28px; }
    .stats { flex-direction: column; gap: 20px; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 28px; }
    .product-hero .hero-title { font-size: 26px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .contact-content { padding: 24px; }
}

/* 筛选按钮 */
.gallery-filters {
    display: flex; justify-content: center; gap: 8px;
    margin-bottom: 32px; flex-wrap: wrap;
}
.filter-btn {
    padding: 8px 18px; background: var(--bg-lighter);
    border: none; border-radius: var(--radius-full);
    cursor: pointer; transition: var(--transition);
    font-family: var(--font-family); font-size: 14px; font-weight: 500;
    color: var(--text-secondary);
}
.filter-btn.active { background: var(--brand-gradient); color: white; box-shadow: var(--shadow-blue); }
.filter-btn:hover:not(.active) { background: #E2E8F0; }

/* ============================================
   增强组件样式 - 三平台交互功能区
   ============================================ */

/* ----- 小程序入口按钮 ----- */
.mini-entry {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: var(--radius-full);
  border: 2px solid currentColor; cursor: pointer;
  font-family: var(--font-family); font-size: 14px; font-weight: 600;
  transition: var(--transition); background: transparent;
}
.mini-entry:hover { transform: translateY(-2px); }
.mini-entry-sky { color: var(--color-sky); border-color: var(--color-sky); }
.mini-entry-sky:hover { background: var(--color-sky); color: white; box-shadow: var(--shadow-sky); }
.mini-entry-gold { color: var(--color-gold-dark); border-color: var(--color-gold-dark); }
.mini-entry-gold:hover { background: var(--color-gold); color: white; box-shadow: var(--shadow-gold); }
.mini-entry-purple { color: var(--brand-purple); border-color: var(--brand-purple); }
.mini-entry-purple:hover { background: var(--brand-purple); color: white; box-shadow: 0 8px 30px rgba(124,58,237,0.25); }

/* ----- 轮播组件 ----- */
.carousel-wrap {
  position: relative; border-radius: var(--radius-2xl); overflow: hidden;
  background: var(--bg-lighter); margin-bottom: 40px;
}
.carousel-track {
  display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}
.carousel-slide {
  min-width: 100%; height: 380px; flex-shrink: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: 60px; position: relative;
  color: white; text-align: left;
}
.carousel-slide h2 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.carousel-slide p { font-size: 16px; max-width: 480px; opacity: 0.9; }
.carousel-slide .slide-meta {
  display: flex; gap: 16px; margin-top: 12px; font-size: 14px;
}
.carousel-dots {
  display: flex; justify-content: center; gap: 8px; padding: 16px;
}
.carousel-dot {
  width: 10px; height: 10px; border-radius: 50%; border: none;
  background: #CBD5E1; cursor: pointer; transition: var(--transition); padding: 0;
}
.carousel-dot.active { background: var(--brand-blue); width: 28px; border-radius: 5px; }
.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.12); color: white; cursor: pointer;
  font-size: 20px; display: flex; align-items: center; justify-content: center;
  transition: var(--transition); z-index: 5;
}
.carousel-arrow:hover { background: rgba(255,255,255,0.25); border-color: white; }
.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

/* ----- 后台数据面板 ----- */
.data-panel {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1E1B4B 100%);
  border-radius: var(--radius-2xl); padding: 40px;
  color: white; margin: 40px 0;
}
.data-panel h3 {
  font-size: 22px; font-weight: 700; margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.data-panel .panel-subtitle { color: #94A3B8; font-size: 14px; margin-bottom: 28px; }
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.data-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 24px;
  text-align: center; transition: var(--transition);
}
.data-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.data-card .data-value { font-size: 32px; font-weight: 800; margin-bottom: 4px; }
.data-card .data-label { font-size: 13px; color: #94A3B8; }
.data-card .data-trend { font-size: 12px; margin-top: 6px; }
.trend-up { color: #34D399; }
.trend-down { color: #F87171; }

/* ----- 小程序二维码弹窗 ----- */
.minicode-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.minicode-overlay.show { opacity: 1; visibility: visible; }
.minicode-card {
  background: var(--bg-white); border-radius: var(--radius-2xl);
  padding: 48px 40px; text-align: center;
  max-width: 380px; width: 90%; position: relative;
  box-shadow: var(--shadow-xl);
}
.minicode-close {
  position: absolute; top: 12px; right: 16px;
  background: none; border: none; font-size: 28px;
  color: var(--text-tertiary); cursor: pointer; line-height: 1;
}
.minicode-close:hover { color: var(--text-primary); }
.minicode-icon { font-size: 56px; margin-bottom: 12px; }
.minicode-title { font-size: 22px; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); }
.minicode-qr {
  width: 160px; height: 160px; margin: 0 auto 16px;
  background: var(--bg-lighter); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-tertiary); font-size: 14px;
  border: 2px dashed var(--border-light);
}
.minicode-tip { font-size: 13px; color: var(--text-tertiary); margin-bottom: 20px; }
.minicode-dl {
  display: inline-block; padding: 10px 28px;
  background: var(--brand-gradient); color: white;
  border-radius: var(--radius-full); text-decoration: none;
  font-weight: 600; font-size: 14px; transition: var(--transition);
}
.minicode-dl:hover { transform: translateY(-2px); box-shadow: var(--shadow-blue); }

/* ----- Toast ----- */
.toast {
  position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-dark); color: white; padding: 12px 28px;
  border-radius: var(--radius-full); font-size: 14px; font-weight: 500;
  z-index: 10000; opacity: 0; transition: all 0.3s ease;
  box-shadow: var(--shadow-lg); white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: linear-gradient(135deg, #059669, #10B981); }
.toast.warning { background: linear-gradient(135deg, #D97706, #F59E0B); }

/* ----- 设备卡片增强 ----- */
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.equipment-card {
  background: var(--bg-white); border: 1px solid var(--border-light);
  border-radius: var(--radius-xl); padding: 24px;
  transition: var(--transition); cursor: pointer;
}
.equipment-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent;
}
.equipment-card .eq-icon { font-size: 48px; margin-bottom: 12px; }
.equipment-card .eq-category {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 2px 10px; border-radius: var(--radius-full);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px;
}
.equipment-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.equipment-card .eq-spec { font-size: 13px; color: var(--text-tertiary); margin-bottom: 4px; }
.equipment-card .eq-brand { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.equipment-card .eq-price-row {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px solid var(--border-lighter);
}
.equipment-card .eq-price { font-size: 22px; font-weight: 700; }
.equipment-card .eq-unit { font-size: 13px; color: var(--text-tertiary); }
.equipment-card .eq-btn {
  padding: 6px 16px; border-radius: var(--radius-full); border: none;
  font-weight: 600; font-size: 13px; cursor: pointer; transition: var(--transition);
  font-family: var(--font-family);
}

/* ----- 套餐卡片 ----- */
.combo-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border: 2px solid var(--color-gold); border-radius: var(--radius-xl);
  padding: 24px; margin-bottom: 16px; transition: var(--transition);
  cursor: pointer; position: relative;
}
.combo-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.combo-card .combo-badge {
  position: absolute; top: -12px; right: 20px;
  background: var(--color-gold); color: white;
  padding: 4px 14px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 700;
}
.combo-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.combo-card .combo-brand { font-size: 13px; color: var(--text-tertiary); margin-bottom: 8px; }
.combo-card .combo-items { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.combo-card .combo-price-row { display: flex; align-items: baseline; gap: 8px; }
.combo-card .combo-price { font-size: 24px; font-weight: 800; color: #B8960F; }
.combo-card .combo-save {
  font-size: 12px; color: #059669; background: #ECFDF5;
  padding: 2px 8px; border-radius: var(--radius-full);
}

/* ----- 统计面板（页面级） ----- */
.stats-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px; margin: 32px 0;
}
.stat-item {
  text-align: center; padding: 20px 16px;
  background: var(--bg-white); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); transition: var(--transition);
}
.stat-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.stat-item .stat-icon { font-size: 28px; margin-bottom: 8px; }
.stat-item .stat-val { font-size: 28px; font-weight: 800; color: var(--text-primary); }
.stat-item .stat-lbl { font-size: 13px; color: var(--text-tertiary); margin-top: 4px; }

/* ----- 消息中心面板 ----- */
.msg-panel {
  background: var(--bg-white); border: 1px solid var(--border-light);
  border-radius: var(--radius-xl); overflow: hidden;
}
.msg-item {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px; border-bottom: 1px solid var(--border-lighter);
  transition: var(--transition); cursor: pointer;
}
.msg-item:last-child { border-bottom: none; }
.msg-item:hover { background: var(--bg-lighter); }
.msg-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
}
.msg-body { flex: 1; min-width: 0; }
.msg-body h4 { font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.msg-body p { font-size: 13px; color: var(--text-tertiary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msg-time { font-size: 12px; color: var(--text-tertiary); flex-shrink: 0; }

/* ----- 功能快捷入口网格增强 ----- */
.func-grid-big {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px; margin: 24px 0;
}
.func-card {
  background: var(--bg-white); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 20px 12px;
  text-align: center; cursor: pointer; transition: var(--transition);
}
.func-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.func-card .func-emoji { font-size: 36px; margin-bottom: 8px; display: block; }
.func-card .func-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* ----- 工作台链接区 ----- */
.workspace-links {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px;
}
.workspace-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-full);
  color: white; text-decoration: none; font-size: 13px; font-weight: 500;
  transition: var(--transition);
}
.workspace-link:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.3); transform: translateY(-1px); }

/* ----- Navbar scrolled 状态 ----- */
.navbar.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }

/* ----- 响应式增强 ----- */
@media (max-width: 768px) {
  .carousel-slide { height: 280px; padding: 32px; }
  .carousel-slide h2 { font-size: 24px; }
  .data-panel { padding: 24px; }
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .equipment-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .func-grid-big { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 480px) {
  .carousel-slide { height: 220px; padding: 24px; }
  .carousel-slide h2 { font-size: 20px; }
  .data-grid { grid-template-columns: 1fr; }
  .func-grid-big { grid-template-columns: repeat(3, 1fr); }
}

/* ===== 大屏(2K/4K)自适应 - 20260913 ===== */
@media (min-width: 1440px) {
  body, html { font-size: 18px; }
  .container, .site-container { max-width: 1600px; }
  section { padding: 40px 0; }
}
@media (min-width: 1920px) {
  body, html { font-size: 20px; }
  .container, .site-container { max-width: 1800px; }
  section { padding: 52px 0; }
}