/* 买邮箱网站样式 - 高端大气、科技感、专业感、现代时尚 */

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

:root {
    --primary-color: #0066ff;
    --secondary-color: #00d4ff;
    --accent-color: #7b2cbf;
    --dark-bg: #0a0e27;
    --card-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --border-color: #2a2f4a;
    --success-color: #00ff88;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 背景动画效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(123, 44, 191, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* 头部导航 */
.header {
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #0066ff 0%, #00d4ff 50%, #7b2cbf 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
    animation: logoGradientShift 4s ease-in-out infinite, logoGlow 3s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
}

/* Logo渐变流动动画 */
@keyframes logoGradientShift {
    0%, 100% {
        background-position: 0% 50%;
        filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
    }
    25% {
        background-position: 100% 50%;
        filter: drop-shadow(0 0 12px rgba(0, 102, 255, 0.6));
    }
    50% {
        background-position: 100% 100%;
        filter: drop-shadow(0 0 10px rgba(123, 44, 191, 0.5));
    }
    75% {
        background-position: 0% 100%;
        filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.6));
    }
}

/* Logo呼吸发光动画 */
@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4)) drop-shadow(0 0 15px rgba(0, 102, 255, 0.2));
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.7)) drop-shadow(0 0 25px rgba(0, 102, 255, 0.4));
    }
}

/* Logo光效扫过 */
.logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%);
    -webkit-background-clip: text;
    background-clip: text;
    animation: logoShine 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: overlay;
}

@keyframes logoShine {
    0% {
        left: -100%;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        left: 150%;
        opacity: 0;
    }
}

/* Logo悬停效果 */
.logo:hover {
    animation: logoGradientShift 2s ease-in-out infinite, logoGlow 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8)) drop-shadow(0 0 30px rgba(0, 102, 255, 0.5));
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.6rem 1.2rem;
    display: inline-block;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border-radius: 10px;
    background: transparent;
    overflow: hidden;
    z-index: 1;
}

/* 背景光效 */
.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 102, 255, 0.15) 50%,
        transparent 100%);
    transition: left 0.5s ease;
    z-index: -1;
}

/* 底部指示线 */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%,
        var(--secondary-color) 50%,
        transparent 100%);
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* 悬停效果 */
.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(0, 102, 255, 0.1);
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover::after {
    width: 80%;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.8);
}

/* 当前页面高亮（可选，通过添加active类） */
.nav-links a.active {
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 
        0 4px 15px rgba(0, 102, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-links a.active::after {
    width: 80%;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.8);
}

/* 点击效果 */
.nav-links a:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 英雄区域 */
.hero {
    text-align: center;
    padding: 4rem 0;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
}

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

/* 卖点标签 */
.selling-points {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.selling-point {
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--secondary-color);
    animation: fadeInUp 1.2s ease;
    transition: all 0.3s ease;
}

.selling-point:hover {
    background: rgba(0, 102, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

/* 邮箱列表 */
.email-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.email-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.email-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.email-card:hover::before {
    left: 100%;
}

.email-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.email-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.email-card .description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.email-card .price-stock {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.email-card .price {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.email-card .stock {
    color: var(--success-color);
    font-size: 0.9rem;
}

.email-card .btn-view {
    width: 100%;
    padding: 0.8rem;
    background: var(--gradient-2);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.email-card .btn-view:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 102, 255, 0.5);
}

/* 页面进入动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 详情页 - 精致高级设计 */
.detail-container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 2rem;
    animation: fadeInUp 0.6s ease;
}

/* 面包屑导航美化 */
.breadcrumb-nav {
    margin-bottom: 2rem;
    padding: 0.8rem 1.2rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.breadcrumb-nav a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.2rem 0;
    font-weight: 500;
}

.breadcrumb-nav a:hover {
    color: #00f2ff;
    text-shadow: 0 0 15px rgba(0, 242, 255, 0.6);
}

.breadcrumb-nav span {
    margin: 0 0.4rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1rem;
}

.detail-header {
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.95) 0%, rgba(20, 25, 48, 0.95) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.detail-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
    opacity: 0.6;
}

.detail-header h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    position: relative;
    z-index: 1;
}

.detail-description .description {
    color: var(--text-secondary);
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--primary-color);
    border-radius: 8px;
    position: relative;
}

.detail-description {
    margin-top: 2rem;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.9) 0%, rgba(20, 25, 48, 0.9) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem 2.5rem;
    box-shadow:
        0 10px 35px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.detail-description .keyword-tags {
    margin-top: 1rem;
}

/* 关键词标签美化 */
.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.keyword-tag {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(0, 212, 255, 0.1) 100%);
    border: 1px solid rgba(0, 102, 255, 0.3);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--secondary-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.keyword-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.keyword-tag:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.25) 0%, rgba(0, 212, 255, 0.15) 100%);
}

.keyword-tag:hover::before {
    left: 100%;
}

.detail-header .info-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.detail-header .info-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.detail-header .info-item:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.3);
    transform: translateY(-2px);
}

.detail-header .info-item strong {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-header .info-item .price {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.detail-header .info-item .stock {
    font-size: 1.3rem;
    color: var(--success-color);
    font-weight: 600;
}

.auto-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%) !important;
    border: 2px solid #00ff88;
    color: #ffffff !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.85rem;
    margin-left: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
    box-shadow: 
        0 4px 15px rgba(0, 255, 136, 0.4),
        0 0 30px rgba(0, 255, 136, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
    overflow: hidden;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    animation: autoTagGlow 2s ease-in-out infinite;
    /* 重置父元素的透明文字效果 */
    -webkit-text-fill-color: #ffffff !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
}

/* 自动光效扫过动画 */
.auto-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: autoTagShine 3s ease-in-out infinite;
}

/* 自动呼吸发光效果 */
@keyframes autoTagGlow {
    0%, 100% {
        box-shadow: 
            0 4px 15px rgba(0, 255, 136, 0.4),
            0 0 30px rgba(0, 255, 136, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 
            0 4px 20px rgba(0, 255, 136, 0.6),
            0 0 40px rgba(0, 255, 136, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.5);
        transform: scale(1.02);
    }
}

/* 光效扫过动画 */
@keyframes autoTagShine {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

.auto-tag:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 6px 25px rgba(0, 255, 136, 0.6),
        0 0 50px rgba(0, 255, 136, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* auto-tag 不再使用 pulse 动画，改用 hover 效果 */

/* 订单表单 */
.order-form {
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.95) 0%, rgba(20, 25, 48, 0.95) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.order-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
    opacity: 0.6;
}

.order-form h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
}

.order-form h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-2);
    border-radius: 2px;
}

.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.form-group label span {
    color: #ff4444;
    margin-left: 0.3rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 
        0 0 0 4px rgba(0, 102, 255, 0.1),
        0 4px 20px rgba(0, 102, 255, 0.2);
    transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* 总价显示美化 */
.total-price {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-price-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.total-price-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.payment-method {
    position: relative;
}

.payment-method input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.payment-method label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.payment-method label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.payment-method label:hover {
    border-color: var(--primary-color);
    background: rgba(0, 102, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.2);
}

.payment-method label:hover::before {
    left: 100%;
}

.payment-method input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
    box-shadow: 
        0 0 0 4px rgba(0, 102, 255, 0.15),
        0 6px 25px rgba(0, 102, 255, 0.3);
    transform: translateY(-3px);
}

.payment-method input[type="radio"]:checked + label::after {
    content: '✓';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
}

.btn-submit {
    width: 100%;
    padding: 1.2rem 2rem;
    background: var(--gradient-2);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 
        0 4px 15px rgba(0, 102, 255, 0.4),
        0 0 30px rgba(0, 102, 255, 0.2);
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-submit:hover::before {
    width: 300px;
    height: 300px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 8px 30px rgba(0, 102, 255, 0.5),
        0 0 50px rgba(0, 102, 255, 0.3);
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 服务承诺区域 */
.service-promise {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2.5rem;
    margin: 2rem 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.service-promise h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-promise ul {
    list-style: none;
    padding: 0;
}

.service-promise ul li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.service-promise ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.2rem;
}

/* 联系售后按钮包装器 */
.contact-button-wrapper {
    margin-top: 2rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* 联系售后按钮 */
.btn-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1.2rem 3.5rem;
    background: linear-gradient(135deg, #7b2cbf 0%, #667eea 50%, #764ba2 100%);
    background-size: 200% 200%;
    border: 2px solid rgba(123, 44, 191, 0.6);
    border-radius: 15px;
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 
        0 6px 20px rgba(123, 44, 191, 0.5),
        0 0 40px rgba(123, 44, 191, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: btnContactGlow 3s ease-in-out infinite;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* 按钮背景渐变流动动画 */
@keyframes btnContactGradient {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* 按钮呼吸发光动画 */
@keyframes btnContactGlow {
    0%, 100% {
        box-shadow: 
            0 6px 20px rgba(123, 44, 191, 0.5),
            0 0 40px rgba(123, 44, 191, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 
            0 8px 25px rgba(123, 44, 191, 0.7),
            0 0 60px rgba(123, 44, 191, 0.5),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
}

/* 光效扫过 */
.btn-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.4) 30%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.4) 70%,
        transparent 100%);
    animation: btnContactShine 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes btnContactShine {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

/* 点击波纹效果 */
.btn-contact::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 0;
}

.btn-contact:hover::after {
    width: 400px;
    height: 400px;
    opacity: 1;
}

/* 悬停效果 */
.btn-contact:hover {
    transform: translateY(-4px) scale(1.02);
    background-position: 100% 50%;
    border-color: rgba(123, 44, 191, 1);
    box-shadow: 
        0 12px 35px rgba(123, 44, 191, 0.7),
        0 0 80px rgba(123, 44, 191, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        0 0 0 4px rgba(123, 44, 191, 0.2);
    animation: btnContactGradient 2s ease-in-out infinite, btnContactGlow 2s ease-in-out infinite;
}

/* 点击效果 */
.btn-contact:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 
        0 4px 15px rgba(123, 44, 191, 0.6),
        0 0 40px rgba(123, 44, 191, 0.4),
        inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 按钮文字（确保在光效之上） */
.btn-contact {
    position: relative;
    z-index: 2;
}

.btn-contact::before {
    z-index: 1;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .btn-contact {
        padding: 1rem 2.5rem;
        font-size: 1rem;
        letter-spacing: 1px;
    }
}

/* 等待页面 */
.wait-container {
    max-width: 600px;
    margin: 4rem auto;
    text-align: center;
    padding: 2rem;
}

.wait-container h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.countdown {
    font-size: 4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 2rem 0;
    font-family: 'Courier New', monospace;
}

.loader {
    width: 60px;
    height: 60px;
    margin: 2rem auto;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.success-message {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--success-color);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
}

/* 弹窗遮罩层 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* 弹窗容器 */
.modal {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(26, 31, 58, 0.95) 100%);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(0, 212, 255, 0.2);
    transform: scale(0.8) translateY(-50px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}

/* 弹窗成功图标 */
.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--success-color) 0%, #00cc6a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: modalIconPulse 0.6s ease;
}

.modal-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(0, 255, 136, 0.3);
    animation: modalIconRipple 1.5s ease-out infinite;
}

.modal-icon svg {
    width: 50px;
    height: 50px;
    stroke: #ffffff;
    stroke-width: 3;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    z-index: 1;
    position: relative;
}

@keyframes modalIconPulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes modalIconRipple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* 弹窗内容 */
.modal-content {
    padding: 2.5rem;
    text-align: center;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--success-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-message {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* 弹窗按钮 */
.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.modal-btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

.modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.6);
}

.modal-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.modal-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--secondary-color);
}

/* 错误弹窗样式 */
.modal-error .modal-icon {
    background: linear-gradient(135deg, #ff4444 0%, #cc0000 100%);
}

.modal-error .modal-icon::before {
    background: rgba(255, 68, 68, 0.3);
}

.modal-error .modal-title {
    background: linear-gradient(135deg, #ff4444 0%, #ff6666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 响应式 */
@media (max-width: 768px) {
    .modal {
        width: 90%;
        max-width: 450px;
    }
    
    .modal-content {
        padding: 2rem 1.5rem;
    }
    
    .modal-title {
        font-size: 1.6rem;
    }
    
    .modal-message {
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .modal {
        width: 95%;
        max-width: none;
        margin: 1rem;
    }
    
    .modal-content {
        padding: 1.5rem 1rem;
    }
    
    .modal-title {
        font-size: 1.4rem;
        margin-bottom: 0.8rem;
    }
    
    .modal-message {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        line-height: 1.5;
    }
    
    .modal-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .modal-icon svg {
        width: 35px;
        height: 35px;
    }
    
    .modal-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .modal-btn {
        width: 100%;
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .order-form {
        padding: 1.5rem 1rem;
    }
    
    .order-form h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1.5rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.9rem;
        font-size: 0.95rem;
    }
}
    color: var(--success-color);
}

/* 页脚 */
.footer {
    background: rgba(26, 31, 58, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.footer p {
    margin: 0;
    text-align: center;
    width: 100%;
}

.footer p + p {
    margin-top: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container,
    .detail-container {
        padding: 1.5rem;
    }

    .email-list {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

    .hero {
        padding: 4rem 2rem;
    }
}

@media (max-width: 992px) {
    .nav-container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .hero {
        text-align: center;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .selling-points {
        justify-content: center;
    }

    .detail-header,
    .order-form,
    .service-promise,
    .seo-content {
        padding: 2.5rem;
    }

    .detail-header h1 {
        font-size: 2.3rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .nav-container {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .logo {
        width: 100%;
        text-align: center;
        margin: 0 auto;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 0.8rem;
        justify-content: center;
        width: 100%;
    }
    
    .nav-links a {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .hero {
        padding: 2.5rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .email-list {
        grid-template-columns: 1fr;
    }

    .email-card {
        padding: 1.5rem;
    }

    .container,
    .detail-container {
        padding: 1rem;
    }

    .detail-header,
    .order-form,
    .service-promise,
    .seo-content {
        padding: 2rem 1.2rem;
    }

    .detail-header h1 {
        font-size: 1.9rem;
        flex-direction: column;
        gap: 0.8rem;
    }

    .auto-tag {
        margin-left: 0;
    }

    .detail-header .info-row {
        grid-template-columns: 1fr;
    }

    .payment-methods {
        grid-template-columns: 1fr;
    }

    .related-emails-grid,
    .selling-points-grid {
        grid-template-columns: 1fr;
    }

    .keyword-tags {
        gap: 0.4rem;
    }
}

@media (max-width: 576px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav-links {
        gap: 0.5rem;
    }
    
    .nav-links a {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .hero h1 {
        font-size: 1.7rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.9rem;
    }

    .total-price {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }

    .btn-submit {
        font-size: 1rem;
        padding: 1rem;
    }

    .footer p {
        font-size: 0.85rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}