/* 苹果风格全局样式 - 甜甜球品牌配色 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B6B; /* 温暖的珊瑚红 */
    --primary-dark: #E55555;
    --primary-light: #FF8E8E;
    --secondary-color: #4ECDC4; /* 清新的薄荷绿 */
    --accent-color: #FFE66D; /* 甜美的柠檬黄 */
    --text-primary: #2C3E50; /* 深蓝灰 */
    --text-secondary: #5D6D7E;
    --bg-primary: #FFF8F8; /* 温暖的米白 */
    --bg-secondary: #FEF5F5;
    --card-bg: #FFFFFF;
    --border-color: rgba(255, 107, 107, 0.1);
    --shadow-color: rgba(255, 107, 107, 0.15);
    --success-color: #10B981; /* 成功绿色 */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Toast 通知样式 */
.toast-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    pointer-events: none;
}

.toast {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: all;
    max-width: 320px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.hide {
    opacity: 0;
    transform: translateY(-20px);
}

/* 苹果风格导航栏 - 甜甜球品牌风格 */
.navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 12px var(--shadow-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.nav-logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(255, 107, 107, 0.2);
}

.nav-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-left: auto; /* 实现右对齐 */
}

/* 关于我们下拉菜单样式 */
.about-dropdown {
    position: relative;
}

.about-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.about-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.about-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    z-index: 1000;
    position: relative;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-nav-menu {
    display: none;
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100vh - 66px);
    background-color: rgba(255, 255, 255, 0.95); /* 降低透明度，背景更明显 */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.mobile-about-section {
    margin-bottom: 1.5rem;
    margin-top: 1rem;
    flex-shrink: 0;
}

.mobile-menu-content {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 1rem;
}

.mobile-about-btn {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-about-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-dropdown-menu {
    display: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
}

.mobile-dropdown-menu.active {
    display: block;
}

.mobile-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.mobile-dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-auth-buttons {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-bottom: 1rem;
    flex-shrink: 0;
}

.mobile-auth-buttons-top {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

.mobile-about-section-bottom {
    margin-top: auto;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.mobile-btn-login, .mobile-btn-register {
    flex: 1;
    padding: 0.6rem 0.8rem;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

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

.mobile-btn-register {
    background-color: var(--primary-color);
    color: white;
}

.mobile-btn-register:hover {
    background-color: var(--primary-hover);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 0.5rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.about-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.5rem 0;
}

/* 苹果风格按钮 */
button {
    border: none;
    border-radius: 980px; /* 苹果风格的超大圆角 */
    padding: 0.8rem 1.8rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-login {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-login:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

.btn-register, .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

.btn-register:hover, .btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    transform: scale(1.02);
    box-shadow: 0 6px 24px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 1px solid var(--primary-light);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.02);
}

/* 主要内容 */
.main-content {
    margin-top: 66px;
}

/* 苹果风格Hero区域 - 甜甜球品牌渐变 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 6rem 2rem;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 230, 109, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(78, 205, 196, 0.3) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
}

.hero-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    animation: bounce 2s infinite;
    filter: drop-shadow(0 4px 8px rgba(255, 107, 107, 0.3));
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.hero-icon img:hover {
    transform: scale(1.1);
}

/* Hero Banner图片样式 - 响应式设计 */
.hero-banner-img {
    width: 500px;
    height: 250px;
    object-fit: cover;
    border-radius: 18px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.18);
    transition: all 0.3s ease;
}

.hero-banner-img:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.2);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1.1;
    margin-top: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: -0.25px;
}

.hero-stats {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(255, 217, 61, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.btn-download {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 200px;
    justify-content: center;
}

.btn-download.android {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.3);
}

.btn-download.android:hover {
    background: linear-gradient(135deg, #45a049 0%, #4CAF50 100%);
    transform: scale(1.02);
    box-shadow: 0 6px 24px rgba(76, 175, 80, 0.4);
}

.btn-download.ios {
    background: linear-gradient(135deg, #007AFF 0%, #0051D5 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
}

.btn-download.ios:hover {
    background: linear-gradient(135deg, #0051D5 0%, #007AFF 100%);
    transform: scale(1.02);
    box-shadow: 0 6px 24px rgba(0, 122, 255, 0.4);
}

.btn-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* 苹果风格特性区域 - 甜甜球品牌风格 */
.features {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
}

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

.features h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(255, 107, 107, 0.1);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px var(--shadow-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(255, 107, 107, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 107, 0.2));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.25px;
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
    position: relative;
    z-index: 2;
}

/* 联系我们模态框样式 */
.contact-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.contact-modal.active {
    display: flex;
}

.contact-modal-content {
    background-color: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.contact-email {
    font-size: 1rem;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    flex: 1;
    word-break: break-all;
}

.copy-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: inline-block;
    margin: 0 auto;
}

.copy-btn:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
}

.copy-btn.copied {
    background-color: #10b981;
}

.copy-btn:active,
.copy-btn:focus {
    background-color: var(--primary-color);
    color: white;
    outline: none;
    transform: scale(0.98);
}

.copy-btn.copied:hover {
    background-color: #059669;
    color: white;
    transform: translateY(-1px);
}

.copy-btn.copied:active,
.copy-btn.copied:focus {
    background-color: #10b981;
    color: white;
    outline: none;
}

.contact-modal-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* 微信联系方式样式 */
.contact-wechat {
    font-size: 1rem;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    flex: 1;
    word-break: break-all;
}

/* PC端微信图标样式 - 苹果设计风格 */
.wechat-icon-container {
    display: flex;
    align-items: center;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.wechat-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.6rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
}

.wechat-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.wechat-btn:active {
    transform: scale(0.95);
    transition: all 0.1s ease;
}

.wechat-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    transition: all 0.3s ease;
    filter: brightness(0.95);
    flex-shrink: 0;
    border-radius: 6px;
}

.wechat-btn:hover .wechat-icon {
    filter: brightness(1.1);
    transform: scale(1.1);
}

/* 移动端微信图标样式 */
.mobile-wechat-container {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-wechat-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    color: var(--text-primary);
    font-size: 1rem;
}

.mobile-wechat-btn:hover {
    background-color: var(--bg-secondary);
}

.mobile-wechat-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 8px; /* 为移动端微信图标图片添加圆角 */
}

/* 移动端右侧按钮组样式 */
.mobile-right-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem; /* 微信图标和菜单按钮之间的间距 */
}

/* 外部移动端微信图标样式 - 苹果设计风格 */
.mobile-wechat-external {
    display: none; /* 默认隐藏，在移动端显示 */
    padding: 0;
    border-bottom: none;
    margin-right: 0; /* 移除之前的负边距，现在由容器控制间距 */
}

.mobile-wechat-external .mobile-wechat-btn {
    padding: 0.5rem;
    border-radius: 8px; /* 调整为更合适的圆角 */
    width: auto;
    gap: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.mobile-wechat-external .mobile-wechat-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.mobile-wechat-external .mobile-wechat-btn:active {
    transform: scale(0.95);
    transition: all 0.1s ease;
}

.mobile-wechat-external .mobile-wechat-btn:hover .mobile-wechat-icon {
    filter: brightness(1.1);
    transform: scale(1.1);
}

.mobile-wechat-external .mobile-wechat-icon {
    border-radius: 8px; /* 为微信图标图片添加圆角 */
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0.8rem 1rem;
    }
    
    .nav-logo h1 {
        font-size: 1.2rem;
    }
    
    .nav-buttons {
        gap: 0.5rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons button {
        width: 220px;
    }
    
    .hero-download-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .btn-download {
        width: 200px;
        font-size: 0.95rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* 移动端下拉菜单适配 */
    .about-dropdown {
        position: static;
    }
    
    .about-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .dropdown-menu {
        position: fixed;
        top: 66px;
        left: 1rem;
        right: 1rem;
        width: auto;
        min-width: auto;
        max-width: calc(100% - 2rem);
    }
    
    .dropdown-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    /* 显示汉堡菜单，隐藏桌面导航 */
    .mobile-menu-toggle {
        display: block;
    }
    
    .desktop-nav {
        display: none;
    }
    
    /* 显示移动端右侧按钮组 */
    .mobile-right-buttons {
        display: flex;
        align-items: center;
    }
    
    /* 显示外部移动端微信图标 */
    .mobile-wechat-external {
        display: flex;
        align-items: center;
    }
    
    .mobile-nav-menu {
        display: block;
    }
    
    .contact-modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .copy-btn {
        width: 100%;
    }
    
    /* 768px断点Banner图片调整 */
    .hero-banner-img {
        width: 380px;
        height: 190px;
        border-radius: 16px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.6rem 0.8rem;
    }
    
    .nav-logo img {
        width: 28px;
        height: 28px;
    }
    
    .nav-logo h1 {
        font-size: 1.1rem;
    }
    
    .nav-buttons {
        gap: 0.3rem;
    }
    
    .about-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }
    
    .btn-login, .btn-register {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .dropdown-menu {
        top: 66px;
        left: 0.8rem;
        right: 0.8rem;
        max-width: calc(100% - 1.6rem);
    }
    
    .dropdown-item {
        padding: 0.5rem 0.7rem;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 3rem 1rem;
    }
    
    .features {
        padding: 3rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        font-size: 0.9rem;
    }
    
    /* 移动端Banner图片调整 */
    .hero-banner-img {
        width: 320px;
        height: 160px;
        border-radius: 14px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }
    
    /* 超小屏幕下载按钮调整 */
    .btn-download {
        width: 180px;
        font-size: 0.9rem;
        padding: 0.7rem 1.2rem;
    }
    
    .btn-icon {
        width: 18px;
        height: 18px;
    }
}

/* 底部备案信息样式 */
.footer {
    background-color: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.beian-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.beian-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.terms-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 2px 4px;
    border-radius: 4px;
}

.terms-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
    background-color: rgba(78, 205, 196, 0.08);
}

.report-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    cursor: pointer;
}

.report-link:hover {
    color: #ff4757;
    text-decoration: underline;
}

@media (max-width: 480px) {
    .footer-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* 超小屏幕Banner图片调整 */
    .hero-banner-img {
        width: 280px;
        height: 140px;
        border-radius: 12px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    }
}

/* 入驻变现步骤样式 - 苹果设计风格 */
.monetization-steps {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 6rem 2rem;
    text-align: center;
}

.steps-header {
    margin-bottom: 4rem;
}

.steps-header h3 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.steps-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto 4rem;
}

.step-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.step-card:hover::before {
    transform: scaleX(1);
}

.step-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.35;
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    line-height: 1;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.step-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
}

.step-card h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.25px;
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

.steps-cta {
    text-align: center;
}

.steps-cta .btn-primary {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.steps-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
    opacity: 0.8;
}

/* 用户的声音样式 - 苹果设计风格 */
.user-testimonials {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 6rem 2rem;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 4rem;
}

.testimonials-header h3 {
    font-size: 2.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.testimonials-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.5;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.testimonial-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007AFF, #5856D6);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.testimonial-avatar {
    font-size: 3rem;
    margin-bottom: 2rem;
    text-align: center;
}

.testimonial-content h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #515154;
    margin-bottom: 2rem;
    text-align: center;
    font-style: italic;
}

.testimonial-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.testimonial-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.testimonial-role {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.testimonials-cta {
    text-align: center;
}

.testimonials-stats {
    font-size: 1.3rem;
    color: #515154;
    font-weight: 500;
}

.highlight {
    color: #007AFF;
    font-weight: 700;
    margin: 0 4px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .monetization-steps {
        padding: 4rem 1rem;
    }

    .steps-header h3 {
        font-size: 2rem;
    }

    .steps-subtitle {
        font-size: 1.1rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .step-card {
        padding: 2rem 1.5rem;
    }

    .step-icon {
        font-size: 3rem;
        height: 70px;
    }

    .step-card h4 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .monetization-steps {
        padding: 3rem 1rem;
    }

    .steps-header h3 {
        font-size: 1.8rem;
    }

    .steps-subtitle {
        font-size: 1rem;
    }

    .step-card {
        padding: 1.5rem 1rem;
    }

    .step-icon {
        font-size: 2.5rem;
        height: 60px;
    }
}

/* 用户的声音响应式设计 */
@media (max-width: 768px) {
    .user-testimonials {
        padding: 4rem 1rem;
    }

    .testimonials-header h3 {
        font-size: 2.2rem;
    }

    .testimonials-subtitle {
        font-size: 1.1rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .testimonial-card {
        padding: 2rem 1.5rem;
    }

    .testimonial-avatar {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }

    .testimonial-content h4 {
        font-size: 1.2rem;
    }

    .testimonial-text {
        font-size: 1rem;
    }

    .testimonials-stats {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .user-testimonials {
        padding: 3rem 1rem;
    }

    .testimonials-header h3 {
        font-size: 1.8rem;
    }

    .testimonials-subtitle {
        font-size: 1rem;
    }

    .testimonial-card {
        padding: 1.5rem 1rem;
    }

    .testimonial-avatar {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .testimonial-content h4 {
        font-size: 1.1rem;
    }

    .testimonial-text {
        font-size: 0.95rem;
    }

    .testimonials-stats {
        font-size: 1rem;
    }
}

/* 苹果风格按钮涟漪效果 - 甜甜球品牌风格 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 下载模态框样式 */
.download-modal-body {
    padding: 1.5rem;
}

.download-modal-actions {
    text-align: center;
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 用户协议及隐私政策弹窗样式 */
.terms-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-in-out;
}

.terms-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.terms-modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    animation: slideUp 0.4s ease-out;
}

.terms-modal-header {
    background: linear-gradient(135deg, #007AFF 0%, #5AC8FA 100%);
    color: white;
    padding: 20px 24px;
    border-radius: 16px 16px 0 0;
    text-align: center;
}

.terms-modal-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
}

.terms-modal-body {
    padding: 24px;
    max-height: 45vh;
    overflow-y: auto;
    line-height: 1.6;
}

.terms-modal-body::-webkit-scrollbar {
    width: 6px;
}

.terms-modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.terms-modal-body::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.terms-modal-body::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.welcome-text {
    margin-bottom: 16px;
}

.welcome-text p {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.terms-description {
    color: #555;
    font-size: 14px;
}

.terms-description p {
    margin: 16px 0 12px 0;
    text-align: justify;
}

.terms-description ul {
    margin: 8px 0 16px 20px;
    padding: 0;
}

.terms-description li {
    margin: 8px 0;
    line-height: 1.5;
}

.terms-description strong {
    color: #333;
    font-weight: 600;
}

.network-info {
    background: #f0f8ff;
    border-left: 4px solid #007AFF;
    padding: 12px 16px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    font-size: 13px;
    color: #333;
}

.terms-links {
    margin-top: 20px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    text-align: center;
}

.terms-links p {
    margin: 0;
    font-size: 13px;
    color: #666;
}

.terms-modal-footer {
    padding: 20px 24px;
    background: #f8f9fa;
    border-radius: 0 0 16px 16px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.terms-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.terms-btn.disagree {
    background: #f2f2f2;
    color: #666;
    border: 1px solid #ddd;
}

.terms-btn.disagree:hover {
    background: #e0e0e0;
    color: #333;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.terms-btn.agree {
    background: linear-gradient(135deg, #007AFF 0%, #5AC8FA 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.terms-btn.agree:hover {
    background: linear-gradient(135deg, #0056CC 0%, #4DABF7 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.terms-btn:active {
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 移动端响应式样式 */
@media (max-width: 768px) {
    .terms-modal-content {
        width: 95%;
        max-height: 95vh;
        margin: 10px;
    }

    .terms-modal-header {
        padding: 16px 20px;
    }

    .terms-modal-title {
        font-size: 16px;
    }

    .terms-modal-body {
        padding: 20px;
        max-height: 50vh;
    }

    .terms-description {
        font-size: 13px;
    }

    .terms-modal-footer {
        padding: 16px 20px;
        flex-direction: row;
    }

    .terms-btn {
        min-width: 100px;
        margin-bottom: 0;
        font-size: 14px;
    }
}