/* ============================================================
   私域引流宝 - 主样式
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, 'Segoe UI', 'Lucida Sans Unicode', 'Lucida Grande', sans-serif;
}

body {
    background: #fff;
}

/* ----- Logo ----- */
.logo {
    width: 520px;
    max-width: 85%;
    height: 180px;
    display: block;
    background: url('/static/img/index_logo.png') no-repeat center;
    background-size: contain;
    margin: 30px auto 0;
}

/* ----- 分割线 ----- */
hr {
    height: 1px;
    width: 90%;
    max-width: 800px;
    border: none;
    background: #e0e0e0;
    margin: 24px auto;
}

/* ----- 主标题 ----- */
.title1 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 500;
    color: #2c3e50;
    padding: 0 1rem;
    letter-spacing: -0.2px;
}

/* ----- 按钮组 ----- */
.button-group {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin: 32px auto 0;
    flex-wrap: wrap;
}

.button-group .btn {
    padding: 8px 28px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #f0f2f5;
    color: #1e2a3e;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.button-group .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.button-group .dark-btn {
    background: #1e3a8a;
    color: white;
}

.button-group .red-btn {
    background: #c5221f;
    color: white;
}

/* ----- 功能列表 ----- */
.feature-list {
    width: 90%;
    max-width: 1000px;
    margin: 28px auto 0;
    background: #f8fafc;
    border-radius: 28px;
    padding: 24px 20px;
    list-style: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.feature-list li {
    text-align: center;
    font-size: 1rem;
    color: #2c3e50;
    line-height: 1.6;
    margin: 12px 0;
    padding: 0 8px;
}

.feature-list li:first-child {
    margin-top: 0;
}
.feature-list li:last-child {
    margin-bottom: 0;
}

/* ----- 联系区域 ----- */
.zhichi {
    text-align: center;
    color: #4b5563;
    font-size: 1.2rem;
    font-weight: 500;
    margin: 40px 0 16px;
}

.title2 {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 500;
    color: #1e293b;
    margin: 20px 0 8px;
}

.zhichiimg {
    display: block;
    width: 360px;
    max-width: 50%;
    margin: 12px auto 30px;
    border-radius: 16px;
    background: #f1f5f9;
    padding: 8px;
}

/* ----- 页脚 ----- */
.footer {
    width: 100%;
    text-align: center;
    padding: 24px 16px 20px;
    margin-top: 40px;
}

.footer .link {
    text-decoration: none;
    color: #9ca3af;
    font-size: 12px;
    transition: color 0.2s;
}
.footer .link:hover {
    color: #6b7280;
}

/* ----- SEO 隐藏区域（仅搜索引擎可见） ----- */
.seo-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
   Vercount 计数器样式（跟随页脚风格）
   ============================================================ */

.vercount-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    padding: 0.3rem 0.8rem;
    margin-bottom: 0.5rem;
}

.vercount-item {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.75rem;
    color: #9ca3af;
    font-weight: 400;
}

.vercount-item .num {
    font-weight: 600;
    color: #4b5563;
    font-variant-numeric: tabular-nums;
    min-width: 1rem;
    text-align: center;
}

.vercount-sep {
    color: #d1d5db;
    font-size: 0.3rem;
    user-select: none;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 640px) {
    .title1 {
        font-size: 1.25rem;
    }
    .button-group .btn {
        padding: 6px 20px;
        font-size: 0.9rem;
    }
    .feature-list li {
        font-size: 0.9rem;
    }
    .vercount-item {
        font-size: 0.65rem;
    }
    .vercount-sep {
        display: none;
    }
}