/* ========================================
   恋小满官网 - 全局样式
   郑州恋小满互联网有限公司
   ======================================== */

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

:root {
    /* 主题色 - 玫瑰粉 */
    --primary: #E8537F;
    --primary-dark: #C93A64;
    --primary-light: #FF7BA6;
    
    /* 辅助色 */
    --secondary: #F8BBD0;
    --accent: #FFD700;
    
    /* 中性色 */
    --dark: #2D2D2D;
    --gray: #666666;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-hero: linear-gradient(135deg, #E8537F 0%, #FF7BA6 50%, #F8BBD0 100%);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(232, 83, 127, 0.1);
    --shadow-md: 0 4px 16px rgba(232, 83, 127, 0.15);
    --shadow-lg: 0 8px 32px rgba(232, 83, 127, 0.2);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
    
    /* 过渡 */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* --- 按钮 --- */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-full {
    width: 100%;
}

/* --- 标题 --- */
.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 12px;
    color: var(--dark);
}

.section-desc {
    text-align: center;
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 1.8rem;
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    padding: 8px 0;
}

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

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

.nav-links a.active {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   主视觉 Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.15);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 8px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero .btn-primary {
    background: var(--white);
    color: var(--primary);
    font-size: 1.1rem;
    padding: 16px 48px;
}

.hero .btn-primary:hover {
    background: var(--secondary);
}

/* ========================================
   服务概览
   ======================================== */
.services-preview {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 24px;
    line-height: 1.8;
}

/* ========================================
   关于我们简介
   ======================================== */
.about-preview {
    padding: 100px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: left;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text .btn {
    margin-top: 20px;
}

.placeholder-img {
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    min-height: 300px;
}

.placeholder-img.large {
    min-height: 400px;
}

.placeholder-img span {
    font-size: 4rem;
    margin-bottom: 10px;
}

.placeholder-img p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ========================================
   数据统计
   ======================================== */
.stats {
    padding: 80px 0;
    background: var(--gradient-primary);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
    opacity: 1;
    transform: none;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========================================
   页面头部
   ======================================== */
.page-header {
    padding: 160px 0 80px;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-style: italic;
}

/* ========================================
   关于我们详情
   ======================================== */
.about-detail {
    padding: 80px 0;
}

.company-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.intro-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: left;
}

.intro-text p {
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.company-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.info-card {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: 40px;
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.info-table {
    width: 100%;
}

.info-table tr td {
    padding: 10px 0;
    border-bottom: 1px solid #e0e0e0;
}

.info-table tr:last-child td {
    border-bottom: none;
}

.info-table tr td:first-child {
    font-weight: 600;
    color: var(--dark);
    width: 120px;
}

.business-list li {
    padding: 10px 0;
    border-bottom: 1px solid #e0e0e0;
    color: var(--gray);
}

.business-list li:last-child {
    border-bottom: none;
}

.business-list li::before {
    content: '\2764\FE0F ';
    color: var(--primary);
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.mv-card {
    background: var(--white);
    border: 2px solid var(--secondary);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.mv-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.mv-card h2 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.mv-card p {
    color: var(--gray);
    line-height: 1.8;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
}

.adv-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.advantage-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.advantage-item p {
    color: var(--gray);
    line-height: 1.7;
}

/* ========================================
   服务详情
   ======================================== */
.services-detail {
    padding: 80px 0;
}

.service-section {
    margin-bottom: 80px;
}

.service-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.service-full.reverse {
    direction: rtl;
}

.service-full.reverse > * {
    direction: ltr;
}

.service-text h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.service-text p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.feature-list {
    margin-bottom: 24px;
}

.feature-list li {
    padding: 8px 0;
    color: var(--gray);
    line-height: 1.7;
}

.feature-list li strong {
    color: var(--dark);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.process-step {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.process-step h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.process-step p {
    font-size: 0.9rem;
    color: var(--gray);
}

.process-arrow {
    font-size: 1.5rem;
    color: var(--primary);
}

/* ========================================
   联系我们
   ======================================== */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-size: 1.6rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.contact-form-wrapper > p {
    color: var(--gray);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(232, 83, 127, 0.1);
}

.contact-info-wrapper {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--dark);
}

.contact-item p {
    color: var(--gray);
    line-height: 1.6;
}

.map-placeholder {
    margin-top: 30px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--primary-light);
}

.footer-info p {
    opacity: 0.8;
}

.footer-contact h4,
.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--primary-light);
}

.footer-contact p {
    opacity: 0.8;
    margin-bottom: 8px;
    line-height: 1.6;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 992px) {
    .about-content,
    .company-intro,
    .service-full {
        grid-template-columns: 1fr;
    }
    
    .service-full.reverse {
        direction: ltr;
    }
    
    .mission-vision {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }

    .about-preview,
    .services-preview {
        padding: 60px 0;
    }

    .about-text h2 {
        font-size: 1.8rem;
    }

    .placeholder-img {
        min-height: 220px;
    }
    
    .stats {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        gap: 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        border-bottom: 1px solid var(--light-gray);
    }
    
    .nav-links a {
        display: block;
        padding: 12px 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .process-timeline {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .company-info-grid {
        grid-template-columns: 1fr;
    }

    .about-preview {
        padding: 50px 0;
    }

    .about-content {
        gap: 30px;
    }

    .about-text h2 {
        font-size: 1.6rem;
    }

    .about-text p {
        font-size: 0.95rem;
    }

    .placeholder-img {
        min-height: 180px;
    }

    .placeholder-img span {
        font-size: 3rem;
    }

    .placeholder-img p {
        font-size: 1rem;
    }

    .stats {
        padding: 50px 0;
    }

    .stat-item {
        padding: 15px 10px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .services-preview {
        padding: 60px 0;
    }

    .service-card {
        padding: 30px 20px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        gap: 30px;
    }

    .footer-info h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .about-preview {
        padding: 40px 0;
    }

    .about-text h2 {
        font-size: 1.4rem;
    }

    .about-text .btn {
        display: block;
        width: 100%;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-desc {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .container {
        padding: 0 16px;
    }

    .footer-info h3 {
        font-size: 1.1rem;
    }

    .footer-contact h4,
    .footer-links h4 {
        font-size: 1rem;
    }

    .hero .btn-primary {
        font-size: 1rem;
        padding: 14px 36px;
    }
}