/* 核心特性卡片背景图与遮罩 */
.feature-card-bg {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: transparent !important;
}
.feature-card-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
    pointer-events: none;
    border-radius: inherit;
}
html.light-mode .feature-card-bg::before {
    background: rgba(255, 255, 255, 0.7);
}
.feature-card-bg > * {
    position: relative;
    z-index: 2;
}
.feature-bg-meeting {
    background-image: url('../meeting_minutes.jpg');
}
.feature-bg-office {
    background-image: url('../smart_office.jpg');
}
.feature-bg-hardware {
    background-image: url('../flexible_adaptation.jpg');
}

/* 中文核心特性描述段首缩进两个字符 */
:lang(zh) #features .text-gray-400 {
    text-indent: 2em;
}

/* 英文版内容两端对齐 + 自动断词 */
html:lang(en) #features .text-gray-400,
html:lang(en) #faq p,
html:lang(en) #testimonials-section p {
    text-align: justify;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
}