/* 收益闭环 + 核心功能区域 - 独立样式，PC/手机适配 */
.features-section {
    width: 100%;
}

/* 上半部分：收益闭环 */
.loop-section {
    background: #f5f5f5;
    padding: 70px 0;
}

.loop-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.loop-header {
    text-align: center;
    margin-bottom: 40px;
}

.loop-title {
    font-size: clamp(22px, 5vw, 28px);
    font-weight: 700;
    color: #111;
    margin-bottom: 8px;
}

.loop-subtitle {
    font-size: 15px;
    color: #666;
}

.loop-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.loop-image img {
    width: 100%;
    border-radius: 12px;
}

.loop-desc {
    font-size: 16px;
    color: #333;
    line-height: 1.8;
    margin-bottom: 20px;
}

.loop-tag {
    display: inline-block;
    padding: 8px 18px;
    background: #00ff88;
    color: #111;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}

.loop-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.loop-item {
    display: flex;
    gap: 14px;
}

.loop-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.loop-icon svg {
    width: 100%;
    height: 100%;
}

.loop-item-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: #111;
    margin: 0 0 6px 0;
}

.loop-item-text h3 span {
    color: #00ff88;
}

.loop-item-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 下半部分：七大核心功能 */
.core-section {
    background: #1a1d23;
    padding: 70px 0;
    color: #fff;

}

.core-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.core-header {
    margin-bottom: 40px;
}

.core-title {
    font-size: clamp(22px, 5vw, 28px);
    font-weight: 700;
    margin-bottom: 8px;
}

.core-subtitle {
    font-size: 15px;
    color: #aaa;
    margin-bottom: 20px;
}

.core-desc {
    font-size: 16px;
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 20px;
}

.core-tag {
    display: inline-block;
    padding: 8px 18px;
    background: #00ff88;
    color: #111;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.core-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.core-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #00ff88;
    margin: 0 0 8px 0;
}

.core-item p {
    font-size: 15px;
    color: #ccc;
    line-height: 1.6;
    margin: 0;
}

/* 响应式适配 */
@media (max-width: 900px) {
    .loop-content {
        grid-template-columns: 1fr;
    }
    .loop-image {
        text-align: center;
    }
    .loop-image img {
        max-width: 80%;
    }
}

@media (max-width: 600px) {
    .loop-section, .core-section {
        padding: 50px 0;
    }
    .loop-content {
        gap: 20px;
    }
    .loop-image img {
        max-width: 100%;
    }
    .core-item h3 {
        font-size: 18px;
    }
}

/* 手机端适配（内联不支持媒体查询，单独加这段） */
@media (max-width: 768px) {
    .core-section {
        padding-right: 16px !important;
        padding-left: 16px !important;
        padding-top: 40px !important;
        padding-bottom: 240px !important; /* 底部留空间显示人像 */
        background-position: center bottom !important;
        background-size: 100% auto !important;
        /* 手机端上下渐变，文字在上，人像在下 */
        background: linear-gradient(to bottom, rgba(17, 17, 17, 0.9) 45%, rgba(17, 17, 17, 0.2) 100%),
        url('../front/image/core-function-bg.png') !important;
    }
}