.join-member {
    background: linear-gradient(180deg, #f7f8fb, #ffffff);
    padding: 80px 20px;
    box-sizing: border-box;
}

.join-member-inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* 双栏布局 */
.join-member-layout {
    display: flex;
    align-items: flex-start;
    gap: 80px;
}

/* 左侧文案 */
.join-member-intro {
    flex: 1;
}

.join-member-eyebrow {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--kt-color-primary-6);
    margin-bottom: 12px;
}

.join-member-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
}

.join-member-desc {
    margin-top: 20px;
    font-size: 15px;
    color: #555;
    line-height: 1.7;
    max-width: 480px;
}

.join-member-points {
    margin-top: 24px;
    padding: 0;
    list-style: none;
    font-size: 14px;
    color: #333;
}

/* 表单区域 */
.join-member-form {
    width: 360px; /* 🔑 核心：限制宽度 */
    background: #fff;
    padding: 26px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

.join-member-row {
    margin-bottom: 14px;
}

.join-member-form input,
.join-member-form textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
}

.join-member-error {
    font-size: 12px;
    color: var(--kt-color-error-6);
    min-height: 16px;
}

.join-member-btn {
    width: 100%;
    margin-top: 10px;
    padding: 12px;
    background: var(--kt-color-primary-7);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
}

.join-member-tip {
    margin-top: 10px;
    font-size: 12px;
    color: #777;
    text-align: center;
}

/* 移动端：改单栏 */
/* ===== Mobile Fix: <= 900px ===== */
@media (max-width: 900px) {
    .join-member {
        padding: 48px 16px; /* 缩小上下留白 */
    }

    .join-member-layout {
        flex-direction: column;
        gap: 22px; /* 缩小两栏间距 */
    }

    .join-member-intro {
        text-align: left; /* 保持商务感，不要强行居中 */
    }

    .join-member-title {
        font-size: 24px;
        line-height: 1.25;
    }

    .join-member-desc {
        margin-top: 12px;
        font-size: 14px;
        line-height: 1.65;
        max-width: 100%; /* 别限制 480px */
    }

    .join-member-points {
        margin-top: 14px;
        font-size: 13px;
        line-height: 1.7;
    }

    /* 表单卡片在手机上要“轻”和“贴合” */
    .join-member-form {
        width: 100%;
        padding: 16px; /* 关键：缩小内边距 */
        border-radius: 14px;
        box-shadow: 0 8px 18px rgba(0, 0, 0, .06); /* 阴影更轻 */
    }

    .join-member-form input,
    .join-member-form textarea {
        padding: 10px 12px;
        font-size: 14px; /* 防止看起来太小/太挤 */
    }

    .join-member-row {
        margin-bottom: 12px;
    }

    .join-member-btn {
        border-radius: 12px;
        padding: 12px;
        font-size: 15px;
    }

    .join-member-tip {
        font-size: 12px;
        margin-top: 8px;
    }
}

/* ===== Small Mobile Fix: <= 360px ===== */
@media (max-width: 760px) {

    .join-member {
        text-align: center;
    }

    .join-member {
        padding: 40px 12px;
        box-sizing: border-box;
    }

    .join-member-title {
        font-size: 22px;
    }

    .join-member-form {
        padding: 14px;
        width: calc(100% - 30px);
    }
}

.join-member-btn:hover{
    opacity: .7;
}