/* ============================================================
   faq-list.css — 问题中心 / 分类导航页（faq-list.html）专属样式
   ============================================================ */

/* ---- section-1 页首 ---- */
.section-1 {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5rem 0 3rem;
}

.section-1 .content-txt .highlight.des {
    max-width: 36rem;
    margin: 1.5rem auto 0;
    font-size: 1rem;
    line-height: 1.8;
    color: #ccc;
}

/* 区块通用标题 */
.section-title {
    text-align: center;
}

.section-title h2 {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.section-title .title-en {
    margin: 0.5rem 0 0;
    font-size: 0.78rem;
    letter-spacing: 2px;
    color: var(--moki-accent);
}

/* ---- section-2 分类导航 ---- */
.section-2 {
    padding: 2rem 0 3rem;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    max-width: 1200px;
    margin: 2.5rem auto 0;
}

.cat-card {
    display: flex;
    flex-direction: column;
    padding: 2rem 1.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.cat-card:hover {
    border-color: var(--moki-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(123, 187, 189, 0.12);
}

.cat-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.cat-icon {
    width: 3.25rem;
    height: 3.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.9rem;
    background: rgba(115, 223, 221, 0.08);
    border: 1px solid rgba(115, 223, 221, 0.25);
    color: var(--moki-accent);
    font-size: 1.5rem;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.cat-card:hover .cat-icon {
    background: var(--moki-accent);
    color: #0d2326;
    transform: scale(1.05);
}

.cat-count {
    font-size: 0.75rem;
    color: #999;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 2rem;
    padding: 0.2rem 0.7rem;
    white-space: nowrap;
}

.cat-card h3 {
    font-size: 1.15rem;
    color: #fff;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.cat-card .title-en {
    margin: 0 0 0.9rem;
    font-size: 0.72rem;
    letter-spacing: 2px;
    color: #777;
}

.cat-desc {
    flex: 1;
    font-size: 0.88rem;
    color: #999;
    line-height: 1.8;
    margin-bottom: 1.4rem;
}

.cat-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--moki-accent);
    font-size: 0.88rem;
}

.cat-link .iconfont {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.cat-link:hover .iconfont {
    transform: translateX(4px);
}

/* ---- section-3 热门问题 ---- */
.section-3 {
    padding: 2rem 0 3rem;
}

.hot-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    max-width: 900px;
    margin: 2.5rem auto 0;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.1rem 1.4rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.hot-item:hover {
    border-color: var(--moki-blue);
    background-color: rgba(123, 187, 189, 0.06);
}

.hot-num {
    flex: 0 0 auto;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-montserrat);
    font-size: 0.9rem;
    color: var(--moki-accent);
    border: 1px solid rgba(115, 223, 221, 0.35);
    border-radius: 50%;
}

.hot-text {
    flex: 1;
    color: #ddd;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.hot-item:hover .hot-text {
    color: #fff;
}

.hot-arrow {
    flex: 0 0 auto;
    color: #777;
    font-size: 0.85rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.hot-item:hover .hot-arrow {
    color: var(--moki-accent);
    transform: translateX(3px);
}

/* ---- section-4 核心数据 ---- */
.section-4 {
    padding: 2rem 0 4rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1200px;
    margin: 2.5rem auto 0;
}

.stat-card {
    padding: 2rem 1.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
}

.stat-num {
    font-family: var(--font-montserrat);
    font-style: normal;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 600;
    color: var(--moki-accent);
    line-height: 1.2;
}

.stat-unit {
    font-family: var(--font-montserrat);
    font-size: 1rem;
    color: #fff;
    margin-left: 0.15rem;
}

.stat-label {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #999;
}

/* ---- section-5 联系 CTA ---- */
.section-5 {
    padding: 3rem 0 5rem;
}

.cta-box {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 3.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.03);
}

.cta-box h2 {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.cta-box .title-en {
    margin: 0.5rem 0 0;
    font-size: 0.78rem;
    letter-spacing: 2px;
    color: var(--moki-accent);
}

.cta-box .highlight.des {
    max-width: 34rem;
    margin: 1.25rem auto 0;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #bbb;
}

.cta-site-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem 2rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: #999;
}

.cta-site-links a {
    color: var(--moki-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s ease;
}

.cta-site-links a:hover {
    color: #fff;
}

.cta-btns {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.cta-btns .title-btn {
    padding: 0.7rem 2.2rem;
    font-size: 0.95rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-btns .title-btn:hover {
    background-color: var(--moki-accent);
    transform: translateY(-2px);
}

/* ============================================================
   响应式断点
   ============================================================ */

/* 平板横屏 / 小桌面 */
@media screen and (max-width: 1024px) {
    .cat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板竖屏 / 大屏手机 */
@media screen and (max-width: 768px) {
    .section-1 {
        min-height: 40vh;
        padding: 4rem 0 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机横屏 / 中屏手机 */
@media screen and (max-width: 640px) {
    .section-1 {
        min-height: 35vh;
        padding: 3rem 0 1.5rem;
    }

    .cat-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .hot-item {
        gap: 0.9rem;
        padding: 0.95rem 1.15rem;
    }

    .hot-text {
        font-size: 0.9rem;
    }

    .cta-box {
        padding: 2.5rem 1.25rem;
    }
}

/* 小屏手机 */
@media screen and (max-width: 440px) {
    .section-1 {
        min-height: 30vh;
        padding: 2.5rem 0 1rem;
    }

    .section-1 .content-txt .highlight.des {
        font-size: 0.9rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .cta-btns .title-btn {
        width: 100%;
        justify-content: center;
    }
}