/* 覆盖基础样式的main内边距 */
main {
    padding: 0;
}

/* ---------- Hero 横幅 ---------- */
.hero {
    background: #1a2332;
    padding: 80px 0 70px;
    position: relative;
}

.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-title {
    color: #fff;
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 14px;
}

    .hero-title span {
        display: inline;
        font-size: 1.4rem;
        font-weight: 400;
        color: rgba(255,255,255,0.7);
        margin-left: 12px;
    }

.hero-sub {
    color: rgba(255,255,255,0.55);
    font-size: 1rem;
    margin-bottom: 32px;
    letter-spacing: 0;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-hero, .btn-hero-outline {
    display: inline-block;
    padding: 10px 28px;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
    cursor: pointer;
}

.btn-hero {
    background: #3c90ff;
    color: #fff;
    border: 1px solid #3c90ff;
}

    .btn-hero:hover {
        background: #2a7de6;
        border-color: #2a7de6;
        color: #fff;
    }

.btn-hero-outline {
    border: 1px solid rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.8);
    background: transparent;
}

    .btn-hero-outline:hover {
        background: rgba(255,255,255,0.08);
        border-color: rgba(255,255,255,0.5);
        color: #fff;
    }

/* ---------- 数据概览 ---------- */
.stats {
    background: #fff;
    padding: 30px 0;
    border-bottom: 1px solid #eee;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 4px;
}

.stat span {
    color: #999;
    font-size: 0.85rem;
}

/* ---------- 通用区块标题 ---------- */
.sec-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 12px;
    border-bottom: 2px solid #333;
}

.sec-sub {
    display: none;
}

/* ---------- 套餐方案 ---------- */
.pkgs {
    padding: 60px 0;
    background: #f7f7f7;
}

.pkg-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.pkg-card {
    position: relative;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 30px 28px 28px;
}

    .pkg-card:hover {
        border-color: #ccc;
    }

    .pkg-card h3 {
        font-size: 1.2rem;
        color: #333;
        margin-bottom: 6px;
    }

    .pkg-card ul {
        list-style: none;
        margin: 16px 0 24px;
        padding: 0;
    }

    .pkg-card li {
        padding: 5px 0;
        color: #666;
        font-size: 0.9rem;
    }

        .pkg-card li i {
            color: #52c41a;
            margin-right: 8px;
            font-size: 0.8rem;
        }

.pkg-card.featured {
    border: 2px solid #3c90ff;
}

.pkg-tag {
    position: absolute;
    top: 0;
    right: 0;
    background: #3c90ff;
    color: #fff;
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 0 2px 0 4px;
}

.pkg-desc {
    color: #999;
    font-size: 0.85rem;
}

.pkg-btn {
    display: inline-block;
    padding: 8px 24px;
    border-radius: 4px;
    background: #3c90ff;
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.2s;
}

    .pkg-btn:hover {
        background: #2a7de6;
        color: #fff;
    }

/* ---------- 核心优势 ---------- */
.feats {
    padding: 60px 0;
    background: #fff;
}

.feat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feat {
    padding: 20px 16px;
    border-left: 3px solid #3c90ff;
}

    .feat i {
        display: none;
    }

    .feat h4 {
        font-size: 1rem;
        color: #333;
        margin-bottom: 6px;
        font-weight: 600;
    }

    .feat p {
        font-size: 0.85rem;
        color: #888;
        line-height: 1.5;
        margin: 0;
    }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .hero {
        padding: 60px 0 50px;
    }

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

    .feat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.6rem;
    }

        .hero-title span {
            display: block;
            margin-top: 6px;
            margin-left: 0;
            font-size: 1.1rem;
        }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 10px;
    }

    .pkg-grid {
        grid-template-columns: 1fr;
    }

    .sec-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .feat-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-hero, .btn-hero-outline {
        width: 100%;
        text-align: center;
    }
}

/* ---------- 页脚覆盖 ---------- */
.footer-widget {
    background-color: transparent;
    border-left: 2px solid rgba(255,255,255,0.15);
    padding: 10px 16px;
    border-radius: 0;
}

.footer-btn {
    border-radius: 3px;
}

/* ---------- 辅助类 ---------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}