/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'SimHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 容器样式 */
.css365iz-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.css365iz-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.css365iz-nav {
    padding: 15px 0;
}

.css365iz-nav .css365iz-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.css365iz-logo h1 {
    font-size: 24px;
    color: #e91e63;
    font-weight: bold;
    margin: 0;
}

.css365iz-logo h1 a {
    color: #e91e63;
    text-decoration: none;
    transition: color 0.3s ease;
}

.css365iz-logo h1 a:hover {
    color: #c2185b;
}

.css365iz-nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.css365iz-nav-menu li {
    list-style: none;
}

.css365iz-nav-menu li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.css365iz-nav-menu li a:hover,
.css365iz-nav-menu li a.css365iz-active {
    color: #e91e63;
}

.css365iz-nav-menu li a.css365iz-active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #e91e63;
}

.css365iz-mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
    justify-content: center;
    align-items: center;
}

.css365iz-mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* 移动端菜单遮罩层 */
.css365iz-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.css365iz-menu-overlay.css365iz-active {
    display: block;
    opacity: 1;
}

/* 主横幅布局 */
.css365iz-banner {
    margin-top: 70px;
    height: 500px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.css365iz-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.css365iz-banner-overlay {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.css365iz-banner-content {
    text-align: center;
    color: #fff;
    padding: 40px 20px;
}

.css365iz-banner-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.css365iz-banner-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.css365iz-banner-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.css365iz-btn {
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.css365iz-btn-primary {
    background-color: #e91e63;
    color: #fff;
}

.css365iz-btn-primary:hover {
    background-color: #c2185b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4);
}

.css365iz-btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.css365iz-btn-secondary:hover {
    background-color: #fff;
    color: #667eea;
}

/* 通用广告容器 */
.css365iz-ad-container {
    width: 100%;
    margin: 20px 0;
    text-align: center;
}

.css365iz-ad-container script {
    display: block;
}

/* 主要内容区域 */
.css365iz-main {
    padding: 60px 0;
}

.css365iz-section {
    padding: 80px 0;
}

.css365iz-section-city {
    background-color: #fff;
}

.css365iz-section-love {
    background-color: #f9f9f9;
}

.css365iz-section-day {
    background-color: #fff;
}

.css365iz-section-about {
    background-color: #f9f9f9;
}

.css365iz-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.css365iz-section-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.css365iz-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #e91e63;
}

.css365iz-section-description {
    font-size: 18px;
    color: #666;
    margin-top: 20px;
}

/* 内容网格布局 */
.css365iz-content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.css365iz-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.css365iz-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.css365iz-card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.css365iz-card-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
}

.css365iz-card-text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 关于我们内容 */
.css365iz-about-content {
    max-width: 800px;
    margin: 0 auto;
}

.css365iz-about-text {
    text-align: center;
}

.css365iz-about-text p {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* 页脚样式 */
.css365iz-footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 60px 0 20px;
}

.css365iz-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.css365iz-footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #e91e63;
}

.css365iz-footer-section ul {
    list-style: none;
}

.css365iz-footer-section ul li {
    margin-bottom: 10px;
}

.css365iz-footer-section ul li a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.css365iz-footer-section ul li a:hover {
    color: #e91e63;
}

.css365iz-footer-section p {
    color: #ecf0f1;
    line-height: 1.8;
}

.css365iz-friend-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.css365iz-friend-links li {
    margin-bottom: 10px;
}

.css365iz-friend-links li a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.css365iz-friend-links li a:hover {
    color: #e91e63;
}

.css365iz-footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.css365iz-footer-bottom p {
    color: #95a5a6;
    font-size: 14px;
}

/* 响应式设计 */

/* PC端基础样式 - 确保导航菜单显示，汉堡菜单隐藏 */
@media (min-width: 769px) {
    .css365iz-nav-menu {
        display: flex !important;
        position: static !important;
        width: auto !important;
        height: auto !important;
        background-color: transparent !important;
        box-shadow: none !important;
        padding: 0 !important;
        flex-direction: row !important;
        gap: 30px !important;
    }
    
    .css365iz-nav-menu li {
        padding: 0 !important;
        border-bottom: none !important;
        width: auto !important;
    }
    
    .css365iz-nav-menu li a {
        white-space: nowrap !important;
        display: inline-block !important;
        width: auto !important;
    }
    
    .css365iz-nav-menu li a.css365iz-active::after {
        display: block !important;
    }
    
    .css365iz-mobile-menu-toggle {
        display: none !important;
    }
}

/* 大屏幕（桌面端 1200px以上） */
@media (min-width: 1200px) {
    .css365iz-container {
        max-width: 1200px;
    }
    
    .css365iz-nav-menu {
        display: flex;
    }
    
    .css365iz-mobile-menu-toggle {
        display: none !important;
    }
    
    .css365iz-content-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 中等屏幕（平板横屏 992px - 1199px） */
@media (min-width: 992px) and (max-width: 1199px) {
    .css365iz-container {
        max-width: 960px;
        padding: 0 30px;
    }
    
    .css365iz-nav-menu {
        display: flex;
    }
    
    .css365iz-mobile-menu-toggle {
        display: none !important;
    }
    
    .css365iz-content-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .css365iz-banner-title {
        font-size: 42px;
    }
    
    .css365iz-banner-subtitle {
        font-size: 22px;
    }
}

/* 平板竖屏和小屏幕（768px - 991px） */
@media (min-width: 768px) and (max-width: 991px) {
    .css365iz-container {
        padding: 0 25px;
    }
    
    .css365iz-nav-menu {
        gap: 20px;
        display: flex;
    }
    
    .css365iz-nav-menu li a {
        font-size: 14px;
    }
    
    .css365iz-mobile-menu-toggle {
        display: none !important;
    }
    
    .css365iz-banner {
        height: 450px;
    }
    
    .css365iz-banner-title {
        font-size: 36px;
    }
    
    .css365iz-banner-subtitle {
        font-size: 20px;
    }
    
    .css365iz-content-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .css365iz-section {
        padding: 60px 0;
    }
    
    .css365iz-section-title {
        font-size: 32px;
    }
    
    .css365iz-footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端（最大768px） */
@media (max-width: 768px) {
    .css365iz-container {
        padding: 0 15px;
    }
    
    .css365iz-nav {
        padding: 12px 0;
    }
    
    .css365iz-logo h1 {
        font-size: 20px;
    }
    
    /* 移动端隐藏PC端导航菜单 */
    .css365iz-nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 60px);
        background-color: #fff;
        flex-direction: column;
        padding: 30px 20px;
        box-shadow: 2px 0 15px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 0;
        overflow-y: auto;
        z-index: 999;
        margin: 0;
    }
    
    .css365iz-menu-overlay {
        display: block;
    }

    .css365iz-nav-menu.css365iz-active {
        left: 0;
    }

    .css365iz-nav-menu li {
        padding: 18px 0;
        border-bottom: 1px solid #eee;
        width: 100%;
        margin: 0;
    }
    
    .css365iz-nav-menu li:last-child {
        border-bottom: none;
    }
    
    .css365iz-nav-menu li a {
        font-size: 16px;
        display: block;
        width: 100%;
        white-space: normal;
        padding: 5px 0;
    }
    
    .css365iz-nav-menu li a.css365iz-active::after {
        display: none;
    }
    
    .css365iz-nav-menu li a.css365iz-active {
        color: #e91e63;
        font-weight: 600;
    }

    /* 移动端显示汉堡菜单图标 */
    .css365iz-mobile-menu-toggle {
        display: flex !important;
        z-index: 1001;
    }
    
    .css365iz-mobile-menu-toggle.css365iz-active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .css365iz-mobile-menu-toggle.css365iz-active span:nth-child(2) {
        opacity: 0;
    }
    
    .css365iz-mobile-menu-toggle.css365iz-active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .css365iz-banner {
        height: 400px;
        margin-top: 60px;
    }

    .css365iz-banner-title {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .css365iz-banner-subtitle {
        font-size: 18px;
        margin-bottom: 25px;
    }
    
    .css365iz-banner-buttons {
        gap: 15px;
    }
    
    .css365iz-btn {
        padding: 12px 30px;
        font-size: 15px;
    }

    .css365iz-section {
        padding: 50px 0;
    }
    
    .css365iz-section-header {
        margin-bottom: 40px;
    }

    .css365iz-section-title {
        font-size: 28px;
    }
    
    .css365iz-section-description {
        font-size: 16px;
    }

    .css365iz-content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .css365iz-card {
        padding: 30px 20px;
    }
    
    .css365iz-card-icon {
        font-size: 40px;
    }
    
    .css365iz-card-title {
        font-size: 22px;
    }
    
    .css365iz-card-text {
        font-size: 15px;
    }
    
    .css365iz-about-text p {
        font-size: 16px;
    }

    .css365iz-footer {
        padding: 50px 0 20px;
    }
    
    .css365iz-footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .css365iz-footer-section h3 {
        font-size: 18px;
    }
}

/* 小屏手机（最大480px） */
@media (max-width: 480px) {
    .css365iz-container {
        padding: 0 12px;
    }
    
    .css365iz-logo h1 {
        font-size: 16px;
    }
    
    .css365iz-nav {
        padding: 10px 0;
    }
    
    .css365iz-nav-menu {
        top: 55px;
        height: calc(100vh - 55px);
        padding: 20px 15px;
        max-width: 280px;
    }

    .css365iz-banner {
        height: 350px;
        margin-top: 55px;
    }

    .css365iz-banner-title {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .css365iz-banner-subtitle {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .css365iz-banner-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .css365iz-btn {
        width: 100%;
        max-width: 280px;
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .css365iz-main {
        padding: 40px 0;
    }

    .css365iz-section {
        padding: 40px 0;
    }
    
    .css365iz-section-header {
        margin-bottom: 30px;
    }

    .css365iz-section-title {
        font-size: 24px;
    }
    
    .css365iz-section-description {
        font-size: 14px;
        margin-top: 15px;
    }
    
    .css365iz-content-grid {
        gap: 15px;
    }

    .css365iz-card {
        padding: 25px 15px;
    }
    
    .css365iz-card-icon {
        font-size: 36px;
        margin-bottom: 15px;
    }
    
    .css365iz-card-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .css365iz-card-text {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .css365iz-about-text p {
        font-size: 14px;
        line-height: 1.7;
    }
    
    .css365iz-footer {
        padding: 40px 0 15px;
    }
    
    .css365iz-footer-content {
        gap: 25px;
    }
    
    .css365iz-footer-section h3 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .css365iz-footer-section ul li {
        margin-bottom: 8px;
    }
    
    .css365iz-footer-section p {
        font-size: 13px;
    }
    
    .css365iz-footer-bottom p {
        font-size: 12px;
    }
}

/* 超小屏手机（最大360px） */
@media (max-width: 360px) {
    .css365iz-banner-title {
        font-size: 20px;
    }
    
    .css365iz-banner-subtitle {
        font-size: 14px;
    }
    
    .css365iz-section-title {
        font-size: 22px;
    }
    
    .css365iz-card {
        padding: 20px 12px;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .css365iz-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .css365iz-nav-menu li a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .css365iz-mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
        justify-content: center;
        align-items: center;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .css365iz-banner {
        height: 300px;
    }
    
    .css365iz-nav-menu {
        max-height: calc(100vh - 60px);
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .css365iz-card {
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    }
    
    .css365iz-card:hover {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    }
}

/* 打印样式 */
@media print {
    .css365iz-header,
    .css365iz-footer,
    .css365iz-banner-buttons,
    .css365iz-mobile-menu-toggle {
        display: none;
    }
    
    .css365iz-banner {
        margin-top: 0;
        height: auto;
        padding: 20px 0;
    }
    
    .css365iz-section {
        page-break-inside: avoid;
    }
}