img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 22px; }
ul { list-style: none; margin: 0; padding: 0; }
:root {
    --primary-green: #00a040;
    --text-gray: #666;
}

.hero-banner {
    width: 100%;
    position: relative;
    background-color: #f0f0f0;
    aspect-ratio: 4 / 1;
    overflow: hidden;
}
.hero-banner img { width: 100%; height: 100%; object-fit: cover; }

.page-main { font-family: "Microsoft YaHei", Arial, sans-serif; }
.mall-intro { padding: 80px 0; background: #fff; }
.mall-header { text-align: center; margin-bottom: 70px; }
.mall-header h2 {
    font-size: 50px;
    color: #2b2f33;
    margin-bottom: 22px;
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: 0.5px;
}
.mall-header p {
    font-size: 17px;
    color: rgba(38, 42, 46, 0.86);
    max-width: 900px;
    margin: 0 auto;
    line-height: 2.05;
}

/* 两列网格，条数不限时自动换行；小屏单列 */
.mall-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px 60px;
    align-items: start;
}
.mall-card { text-align: center; }
.mall-card h3 { font-size: 30px; color: #2b2f33; margin-bottom: 12px; font-weight: 500; line-height: 1.2; }
.mall-card p {
    font-size: 17px;
    color: rgba(38, 42, 46, 0.86);
    text-align: justify;
    line-height: 2.05;
    margin-bottom: 30px;
    padding: 0 20px;
}

.phone-showcase {
    position: relative;
    max-width: 380px;
    margin: 0 auto;
    padding-top: 40px;
}
.phone-bg-shape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 75%;
    background-color: var(--primary-green);
    border-radius: 15px;
    z-index: 1;
}
.phone-showcase img {
    position: relative;
    z-index: 2;
    width: 55%;
    margin: 0 auto;
    display: block;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-radius: 18px;
}

@media (max-width: 992px) {
    .mall-list { gap: 60px 30px; }
    .mall-header h2 { font-size: 38px; }
    .mall-header p { font-size: 16px; }
    .mall-card h3 { font-size: 24px; }
}
@media (max-width: 768px) {
    .mall-list { grid-template-columns: 1fr; gap: 48px; }
    .mall-card p { padding: 0; font-size: 16px; }
    .mall-header h2 { font-size: 32px; }
    .mall-card h3 { font-size: 22px; }
}