/* 容器全屏底色：完美对齐原图的沉浸式极客暗黑 */
.custom-subscribe-section {
    width: 100%;
    background-color: #141414;
    overflow: hidden;
    
    box-sizing: border-box;
}

/* 视口框限制（1200px 标准安全宽度） */
.custom-subscribe-page-width {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
}

/* 左右两栏横向 Flex 排版 */
.custom-subscribe-flex-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* 左侧栏占比 55% */
.subscribe-text-column {
    flex: 0 0 55%;
    max-width: 55%;
}

/* 右侧表单占比 40% 预留安全间距 */
.subscribe-form-column {
    flex: 0 0 40%;
    max-width: 40%;
}

/* ==========================================================================
   左侧文案细节打磨
   ========================================================================== */

/* 大标题：复古粗衬线体 */
.subscribe-main-title {
   
    font-size: 2.4rem;
    font-weight: 500;
    color: #ffffff;
    margin: 0 0 14px 0;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

/* 中副标题 */
.subscribe-sub-title {
    font-size: 1rem;
    line-height: 1.6;
    color: #cccccc; /* 中灰过渡色 */
    margin: 0 0 16px 0;
}

/* 底部最淡的免责/说明细字 */
.subscribe-desc-text {
    font-size: 0.82rem;
    line-height: 1.5;
    color: #777777; /* 精准淡灰 */
    margin: 0;
}

/* ==========================================================================
   右侧直角无缝输入框 + 纯白按钮 (精准还原 email_subscribe.png 极简工业质感)
   ========================================================================== */
.subscribe-action-form {
    width: 100%;
}

/* 输入框与按钮的高级组装框体 */
.subscribe-input-group-wrapper {
    display: flex;
    width: 100%;
    height: 52px; /* 锁定标准的精致高度 */
    border: 1px solid #ffffff; 
    background-color: #ffffff;
    transition: border-color 0.25s ease;
    padding: 5px; 
     border-radius: 10px;
}

.subscribe-input-group-wrapper:focus-within {
    border-color: #ffffff; /* 聚焦时边框微亮 */
}

/* 邮件输入域 */
.subscribe-input-field {
    flex: 1;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    padding: 0 18px;
    font-size: 0.95rem;
    color: #141414;
}

/* 占位提示字颜色 */
.subscribe-input-field::placeholder {
    color: #999999;
    opacity: 1;
}

.subscribe-input-field::-webkit-input-placeholder {
    color: #999999;
    opacity: 1;
}

.subscribe-input-field::-moz-placeholder {
    color: #999999;
    opacity: 1;
}

.subscribe-input-field:-ms-input-placeholder {
    color: #999999;
    opacity: 1;
}

/* 纯白底色、全黑直角英气字体的 Subscribe 按钮 */
.subscribe-submit-btn {
    height: 100%;
    background-color: #000000; 
    color: #ffffff;            
    border: none;
    outline: none;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0 32px;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: background-color 0.2s ease, color 0.2s ease;
    border-radius: 10px;
}

.subscribe-submit-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   移动端与小屏幕极致响应式断点控制
   ========================================================================== */
@media (max-width: 992px) {
    .custom-subscribe-flex-layout {
        flex-direction: column; /* 降级为垂直单列平铺 */
        align-items: flex-start;
        gap: 30px;
    }
    .subscribe-text-column,
    .subscribe-form-column {
        max-width: 100%;
        width: 100%;
    }

    .custom-subscribe-section{
        margin-top: 0px !important;
        margin-bottom: 0px !important;
        padding-top: 40px !important;
        padding-bottom: 40px !important;
    }

    .subscribe-input-field {
        
        width: 80%;
        
    }

    .subscribe-submit-btn{
        width: 100px;
    }
}

@media (max-width: 576px) {
    .subscribe-main-title {
        font-size: 1.8rem;
    }
    .subscribe-input-group-wrapper {
        height: 48px; /* 移动端高度略微收敛更显精致 */
    }
    .subscribe-submit-btn {
        padding: 0 10px; /* 缩减按钮内边距防溢出 */
    }
}