@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;600;800&display=swap');

:root {
    /* UI/UX Pro Max 经典蔚蓝全亮模式 (Clean Azure Light) */
    --primary: #0066CC; /* 回归您的原版科技蓝 */
    --primary-light: #4D94FF; 
    --primary-glow: rgba(0, 102, 204, 0.1);
    --secondary: #00c2ff; /* 活力青蓝 */
    --accent: #0066CC; 
    --background: #f8fafc; /* 极简明亮的浅灰蓝白 */
    --surface: rgba(255, 255, 255, 0.7); /* 雪白透明态 */
    --surface-border: rgba(0, 102, 204, 0.08); /* 极细的蓝色边缘 */
    --text-primary: #1e293b; /* 深蓝色调，非黑，更柔和 */
    --text-secondary: #64748b;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-blur: blur(20px);
}

/* 全局基调与滚动优化 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px; /* 补偿吸顶导航栏高度 */
}

body {
    background-color: var(--background);
    color: var(--text-primary);
    font-family: 'Inter', 'system-ui', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.025em;
    font-weight: 700;
}

/* 渐变文本引导 */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 动效增强 - 核心：首屏英雄版块仅核心文字不参与位位移动画，防止跳动，背景动效逻辑保留 */
.page-title h1, .page-title p, .hero-content h1, .hero-content p {
    transform: none !important; 
    opacity: 1 !important;
}

body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

input, textarea, .copyable {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
}

.service-card, .case-card, .contact-item, .section-header, .about-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card.animated, 
.case-card.animated, 
.contact-item.animated, 
.section-header.animated, 
.about-content.animated {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0.1s; }
.service-card:nth-child(2) { transition-delay: 0.2s; }
.service-card:nth-child(3) { transition-delay: 0.3s; }
.service-card:nth-child(4) { transition-delay: 0.4s; }
.service-card:nth-child(5) { transition-delay: 0.5s; }
.service-card:nth-child(6) { transition-delay: 0.6s; }

/* 导航栏 - 纯净玻璃态 */
header {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: var(--glass-blur) !important;
    border-bottom: 1px solid var(--surface-border);
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.05);
}

.logo-text {
    color: var(--primary) !important;
    font-size: 24px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.05em;
    transition: var(--transition-smooth);
}

.logo-text:hover {
    filter: drop-shadow(0 0 8px rgba(0, 102, 204, 0.4));
    transform: scale(1.02);
}

.nav-links a {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 8px 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary) !important;
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

/* Hero Section 全亮蔚蓝极光与涟漪 */
.hero {
    background: radial-gradient(circle at 15% 50%, rgba(0, 102, 204, 0.03), transparent 30%),
                #fff !important;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 !important;
    overflow: hidden;
}

.hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* 涟漪动效核心 */
.hero-ripples {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 650px;
    height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    perspective: 1200px; /* 增加透视感 */
}

.ripple {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    /* 使用渐变实现软边缘的水波感 */
    background: radial-gradient(circle, 
        transparent 38%, 
        rgba(0, 102, 204, 0.45) 45%, 
        rgba(255, 255, 255, 0.2) 48%, 
        rgba(0, 102, 204, 0.45) 51%, 
        transparent 58%);
    opacity: 0;
    transform: rotateX(70deg) scale(0.5); /* 3D透视角度 */
    animation: realRipple 5s infinite cubic-bezier(0.2, 0.4, 0.4, 0.9);
}

.ripple:nth-child(1) { animation-delay: 0s; }
.ripple:nth-child(2) { animation-delay: 1.6s; }
.ripple:nth-child(3) { animation-delay: 3.2s; }

/* 涟漪中心点 */
.hero-ripples::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary), 0 0 40px var(--primary);
    animation: pulseCore 2s infinite ease-in-out;
    z-index: 5;
}

@keyframes realRipple {
    0% {
        transform: rotateX(70deg) scale(0.5);
        opacity: 0.8;
    }
    100% {
        transform: rotateX(70deg) scale(4.5);
        opacity: 0;
    }
}

@keyframes pulseCore {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.5); opacity: 1; box-shadow: 0 0 30px var(--primary); }
}

/* 亮蓝风格页面标题 (Page Title) */
.page-title {
    background: #297ee7 !important;
    background: linear-gradient(135deg, #297ee7 0%, #1e6bd6 100%) !important;
    padding: 160px 0 100px !important;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-title::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.page-title h1 {
    color: #fff !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important; /* 补充标准属性以消除 lint 警告 */
    -webkit-text-fill-color: initial !important;
    font-size: 3.2rem !important;
    font-weight: 800 !important;
    margin-bottom: 20px !important;
    letter-spacing: -0.02em !important;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-title p {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 1.25rem !important;
    max-width: 600px;
    margin: 0 auto !important;
    font-weight: 300 !important;
}

/* 亮蓝风格行动召唤区域 (CTA Section) */
.cta-section {
    background: #297ee7 !important;
    background: linear-gradient(135deg, #297ee7 0%, #1e6bd6 100%) !important;
    padding: 120px 0 !important;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    color: #fff !important;
    font-size: 3rem !important;
    font-weight: 800 !important;
    margin-bottom: 25px !important;
    letter-spacing: -0.03em !important;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 1.35rem !important;
    max-width: 700px;
    margin: 0 auto 45px !important;
    font-weight: 300 !important;
}

.cta-section .btn-light {
    background: #fff !important;
    color: #297ee7 !important;
    padding: 18px 45px !important;
    font-weight: 700 !important;
    border: none !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1) !important;
    border-radius: 50px !important;
    transition: var(--transition-smooth);
}

.cta-section .btn-light:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15) !important;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4rem) !important;
    line-height: 1.15 !important;
    margin-bottom: 24px;
    color: var(--text-primary) !important;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero p {
    color: var(--text-secondary) !important;
    font-size: 1.25rem !important;
    margin-bottom: 40px !important;
    max-width: 650px;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

/* 按钮重构 */
.btn {
    border-radius: 14px !important;
    padding: 14px 34px !important;
    font-size: 16px !important;
    font-weight: 650 !important;
    transition: var(--transition-smooth) !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important;
    box-shadow: 0 10px 25px var(--primary-glow) !important;
    color: #fff !important;
    animation: pulseGlow 3s infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 10px 25px var(--primary-glow); }
    50% { box-shadow: 0 10px 45px rgba(0, 102, 204, 0.4); }
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px var(--primary-glow) !important;
}

.btn-secondary {
    background: #fff !important;
    border: 1px solid var(--surface-border) !important;
    color: var(--primary) !important;
    box-shadow: 0 4px 10px rgba(0, 102, 204, 0.05) !important;
}

/* 服务卡片 - 晶致白玻态 */
.services {
    background-color: #fff !important;
    padding: 120px 0 !important;
}

.service-card {
    background: var(--surface) !important;
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--surface-border) !important;
    border-radius: 28px !important;
    padding: 40px 32px !important;
    transition: var(--transition-smooth) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02) !important;
    position: relative;
    overflow: hidden;
}

/* 流光效果伪元素 */
.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 20%;
    height: 200%;
    background: linear-gradient(to right, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.4) 50%, 
        rgba(255, 255, 255, 0) 100%);
    transform: rotate(25deg);
    transition: var(--transition-smooth);
    opacity: 0;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--primary);
    background: #fff !important;
    box-shadow: 0 25px 50px rgba(0, 102, 204, 0.12) !important;
}

.service-card:hover::after {
    left: 140%;
    opacity: 1;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-icon {
    width: 68px;
    height: 68px;
    background: rgba(0, 102, 204, 0.06);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px !important;
    margin: 0 auto 24px !important;
    color: var(--primary) !important;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: #fff !important;
    transform: rotateY(180deg);
}

/* 关于我们 */
.about-overview {
    background-color: var(--background) !important;
    padding: 120px 0 !important;
}

.about-image {
    border-radius: 36px !important;
    box-shadow: 0 40px 80px rgba(0, 102, 204, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition-smooth);
}

.about-image:hover {
    transform: scale(1.02);
}

/* 成功案例 */
.case-studies {
    background-color: #fff !important;
}

.case-card {
    background: #fff !important;
    border-radius: 32px !important;
    border: 1px solid var(--surface-border) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03) !important;
    transition: var(--transition-smooth);
}

.case-card:hover {
    box-shadow: 0 35px 70px rgba(0, 102, 204, 0.12) !important;
    transform: translateY(-8px);
}

.case-image {
    height: 240px !important;
    border-radius: 32px 32px 0 0 !important;
}


/* 面向“蔚蓝晶石”全白极简风格重构背景逻辑 */
.service-detail, 
.service-detail.bg-light, 
.about-overview, 
.case-studies, 
.contact-overview,
.services {
    background-color: #fff !important;
    background: #fff !important;
    padding: 100px 0 !important;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 70px; /* 增加留白 */
    transition: var(--transition-smooth);
}

.service-item.reverse {
    flex-direction: row-reverse;
}

.service-image {
    flex: 1;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 102, 204, 0.08); /* 纯白背景下增加阴影深度 */
    border: 1px solid rgba(0, 102, 204, 0.04);
}

.service-content {
    flex: 1;
}

.service-detail .service-icon {
    margin: 0 0 25px 0 !important;
    width: 64px;
    height: 64px;
    font-size: 26px !important;
}

.service-features ul {
    list-style: none;
    margin: 30px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.service-features li {
    font-size: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-features i {
    color: var(--primary);
    font-size: 12px;
}


/* 解决方案版块 (Solutions) */
.solutions-overview {
    background-color: #fff !important;
    padding: 120px 0 !important;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.solution-card {
    background: #fff !important;
    border: 1px solid var(--surface-border) !important;
    border-radius: 30px !important;
    padding: 45px 35px !important;
    transition: var(--transition-smooth) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02) !important;
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px rgba(0, 102, 204, 0.1) !important;
    border-color: var(--primary);
}

.solution-icon {
    width: 72px;
    height: 72px;
    background: rgba(0, 102, 204, 0.06);
    color: var(--primary);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px !important;
    margin: 0 auto 25px !important;
    transition: var(--transition-smooth);
}

.solution-card:hover .solution-icon {
    background: var(--primary);
    color: #fff !important;
    transform: scale(1.1) rotate(5deg);
}

.solution-detail {
    background: #fff !important;
}

.solution-wrapper {
    display: flex;
    align-items: center;
    gap: 80px;
    padding: 100px 0;
}

.solution-wrapper.reverse {
    flex-direction: row-reverse;
}

.solution-image {
    flex: 1;
    border-radius: 36px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 102, 204, 0.1);
}

.solution-content {
    flex: 1;
}

/* 详情头部对齐重塑 */
.solution-header {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 30px;
}

.solution-icon.large {
    width: 68px;
    height: 68px;
    flex-shrink: 0;
    margin: 0 !important; /* 核心修正：取消居中 */
    font-size: 28px !important;
    background: rgba(0, 102, 204, 0.08);
    border-radius: 18px;
}

.solution-header h2 {
    font-size: 2.2rem !important;
    font-weight: 800 !important;
    margin: 0 !important;
}

.solution-features h3 {
    margin-top: 35px;
    font-size: 1.25rem;
    color: var(--primary);
}

.solution-features ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
    list-style: none;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 15px;
}

.solution-features i {
    color: var(--primary);
    font-size: 14px;
}

/* 关于我们 (About Us) 特化样式 */
.about-section {
    background: #fff !important;
    padding: 120px 0 !important;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.about-image {
    flex: 1;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 102, 204, 0.12);
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.5rem !important;
    margin-bottom: 30px !important;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.vm-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 100px 0;
}

.vm-card {
    background: #fff !important;
    border-radius: 32px !important;
    padding: 50px 35px !important;
    border: 1px solid var(--surface-border) !important;
    transition: var(--transition-smooth);
    text-align: center;
}

.vm-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 102, 204, 0.08) !important;
    border-color: var(--primary);
}

.vm-icon {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 25px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-item {
    background: #fff !important;
    border-radius: 24px !important;
    padding: 40px 30px !important;
    border: 1px solid var(--surface-border) !important;
    transition: var(--transition-smooth);
}

.advantage-item:hover {
    background: rgba(0, 102, 204, 0.02) !important;
    transform: scale(1.03);
}

.advantage-icon {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 20px;
}

/* 联系我们 (Contact) 特化样式 */
.contact-info-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-bottom: 80px;
}

.contact-card {
    background: #fff !important;
    border-radius: 28px !important;
    padding: 40px 30px !important;
    border: 1px solid var(--surface-border) !important;
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    box-shadow: 0 25px 50px rgba(0, 102, 204, 0.08) !important;
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-glow);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 22px;
}

.contact-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
}

.form-container {
    background: #fff !important;
    border-radius: 36px !important;
    padding: 50px !important;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.04) !important;
    border: 1px solid var(--surface-border);
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 16px 20px !important;
    border-radius: 12px !important;
    border: 1px solid #e2e8f0 !important;
    background: #f8fafc !important;
    transition: var(--transition-smooth);
    margin-bottom: 20px;
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
    border-color: var(--primary) !important;
    background: #fff !important;
    box-shadow: 0 0 0 4px var(--primary-glow) !important;
    outline: none;
}

.map-container {
    border-radius: 36px !important;
    overflow: hidden !important;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.06) !important;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #fff !important;
    border-radius: 20px !important;
    margin-bottom: 15px;
    border: 1px solid var(--surface-border) !important;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question {
    padding: 24px 35px !important;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.faq-question h3 {
    font-size: 1.15rem !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
    font-weight: 700 !important;
}

.faq-toggle i {
    color: var(--primary) !important;
    font-size: 18px;
    transition: var(--transition-smooth);
}

.faq-item.active .faq-toggle i {
    transform: rotate(45deg);
}

.faq-item.active {
    border-color: var(--primary) !important;
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.08) !important;
}

.faq-answer {
    padding: 0 35px 28px !important;
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary) !important;
    font-size: 15px !important;
    line-height: 1.8 !important;
    margin: 0 !important;
}

/* 移动端额外适配 */
@media (max-width: 992px) {
    .about-content, .contact-container {
        flex-direction: column !important;
        grid-template-columns: 1fr;
    }
    .about-image {
        width: 100%;
    }
}

/* 页脚 - 极简白皙 */
footer {
    background-color: #fff !important;
    border-top: 1px solid var(--surface-border);
    padding: 100px 0 50px !important;
    color: var(--text-primary) !important;
}

.footer-section h3 {
    color: var(--primary) !important;
}

.footer-section a {
    color: var(--text-secondary) !important;
}

.footer-section a:hover {
    color: var(--primary) !important;
}

.copyright {
    border-top: 1px solid var(--surface-border) !important;
    color: #94a3b8 !important;
    margin-top: 50px !important;
    padding-top: 30px !important;
}

/* 页脚 Logo 样式补全 */
.brand-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.footer-logo-img {
    height: 36px;
    width: auto;
}

.footer-logo-text {
    font-size: 24px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--primary);
    letter-spacing: -0.04em;
}

/* 页脚二维码版块 */
.footer-qrcode {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.qrcode-box {
    width: 110px;
    height: 110px;
    background: #fff;
    padding: 8px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.04);
    border: 1px solid var(--surface-border);
}

.qrcode-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

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


/* 响应式适配 */
@media (max-width: 768px) {
    section {
        padding: 60px 0 !important;
    }

    .hero {
        padding-top: 100px !important;
        text-align: center;
        min-height: auto;
        padding-bottom: 80px !important;
    }

    .hero .container {
        flex-direction: column;
    }

    .hero-content {
        max-width: 100%;
        margin-bottom: 40px;
    }

    /* 移动端涟漪重定位：放在文字下方作为背景 */
    .hero-ripples {
        width: 350px;
        height: 350px;
        right: 50%;
        top: auto;
        bottom: -50px;
        transform: translateX(50%);
        opacity: 0.6;
    }

    .ripple {
        width: 150px;
        height: 150px;
    }

    .hero-buttons {
        justify-content: center;
    }

    /* 移动端菜单抽屉 */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(25px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -15px 0 40px rgba(0, 0, 0, 0.08);
        z-index: 2000;
        margin: 0 !important;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 25px 0 !important;
        opacity: 0;
        transform: translateX(20px);
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
        transition: 0.4s ease forwards;
    }

    /* 级联菜单入场 */
    .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links.active li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links.active li:nth-child(4) { transition-delay: 0.4s; }
    .nav-links.active li:nth-child(5) { transition-delay: 0.5s; }

    .menu-toggle {
        display: block !important;
        color: var(--primary) !important;
        position: relative;
        z-index: 2100;
    }

    /* 全面响应式布局对齐 */
    .about-content, 
    .contact-container, 
    .solutions-container, 
    .solution-header,
    .footer-content {
        flex-direction: column !important;
        gap: 40px !important;
    }

    .service-grid, 
    .case-grid, 
    .vm-content, 
    .advantages-grid, 
    .contact-info-container,
    .solution-features ul {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .solution-content { order: 2; }
    .solution-sidebar { order: 1; width: 100% !important; }

    .about-image {
        width: 100%;
        margin-top: 30px;
    }

    .form-container {
        padding: 30px 20px !important;
        border-radius: 20px !important;
    }

    .footer-section {
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 90%;
        padding: 0 5px;
    }

    .hero-content h1 {
        font-size: 2rem !important;
        line-height: 1.2 !important;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }

    .btn {
        width: 100% !important;
        padding: 18px 20px !important;
        text-align: center;
    }

    .section-header h2 {
        font-size: 1.7rem !important;
    }

    .page-title {
        padding: 120px 0 60px !important;
    }

    .page-title h1 {
        font-size: 2.2rem !important;
    }
}