/* === 首页样式 === */

/* ① Hero Banner */
.zh_hero {
    position: relative;
    min-height: 520px;
    background: var(--zh-dark);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.zh_hero_bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.zh_hero_bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zh_hero_bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(28,42,58,0.88) 0%, rgba(26,115,167,0.72) 100%);
}

.zh_hero_inner {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: 80px;
    padding-bottom: 72px;
}

.zh_hero_content {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.zh_hero_label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    background: rgba(255,255,255,0.1);
    padding: 6px 16px;
    border-radius: 100px;
    backdrop-filter: blur(4px);
}

.zh_hero_label i {
    color: var(--zh-primary);
    font-size: 13px;
}

.zh_hero_label span {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
}

.zh_hero_title {
    font-size: 38px;
    font-weight: 700;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 12px;
}

.zh_hero_subtitle {
    font-size: 18px;
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    margin-bottom: 16px;
}

.zh_hero_desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.55);
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.zh_hero_actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.zh_hero_stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.12);
}

.zh_hero_stat_num {
    display: block;
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 4px;
}

.zh_hero_stat_num em {
    font-style: normal;
    color: rgba(255,255,255,0.5);
}

.zh_hero_stat_label {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

/* ② 服务优势 */
.zh_advantages {
    padding: 72px 0;
    background: var(--zh-gray-100);
}

.zh_adv_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.zh_adv_card {
    background: var(--zh-white);
    border: 1px solid var(--zh-gray-200);
    border-radius: var(--zh-radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s;
}

.zh_adv_card:hover {
    border-color: var(--zh-primary);
    box-shadow: var(--zh-shadow);
    transform: translateY(-3px);
}

.zh_adv_icon {
    width: 52px;
    height: 52px;
    background: var(--zh-primary-light);
    border-radius: var(--zh-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--zh-primary);
    font-size: 22px;
    transition: all 0.3s;
}

.zh_adv_card:hover .zh_adv_icon {
    background: var(--zh-primary);
    color: #fff;
}

.zh_adv_title {
    font-size: 16px;
    font-weight: 600;
    color: var(--zh-dark);
    margin-bottom: 8px;
}

.zh_adv_desc {
    font-size: 13px;
    color: var(--zh-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ③ 最新信息推荐 */
.zh_latest_infos {
    padding: 72px 0;
    background: var(--zh-white);
}

.zh_latest_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.zh_latest_title {
    font-size: 24px;
    font-weight: 700;
    color: var(--zh-dark);
    margin: 0;
}

.zh_latest_more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--zh-primary);
    font-weight: 500;
    transition: gap 0.3s;
}

.zh_latest_more:hover {
    gap: 10px;
    color: var(--zh-primary-dark);
}

.zh_info_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.zh_info_card {
    background: var(--zh-white);
    border: 1px solid var(--zh-gray-200);
    border-radius: var(--zh-radius-lg);
    overflow: hidden;
    transition: all 0.3s;
    display: block;
    text-decoration: none;
}

.zh_info_card:hover {
    box-shadow: var(--zh-shadow-lg);
    transform: translateY(-3px);
}

.zh_info_card_img {
    position: relative;
    height: 170px;
    overflow: hidden;
    background: var(--zh-gray-100);
}

.zh_info_card_img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s;
}

.zh_info_card:hover .zh_info_card_img img {
    transform: scale(1.03);
}

.zh_info_card_cat {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 10px;
    background: var(--zh-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--zh-radius-sm);
}

.zh_info_card_body {
    padding: 16px;
}

.zh_info_card_title {
    font-size: 15px;
    font-weight: 600;
    color: var(--zh-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zh_info_card_meta {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: var(--zh-gray-500);
}

.zh_info_card_meta i {
    margin-right: 3px;
    color: var(--zh-gray-400);
}

/* ④ 关于平台 */
.zh_about {
    padding: 72px 0;
    background: var(--zh-gray-100);
}

.zh_about_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.zh_about_label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--zh-primary);
    background: var(--zh-primary-light);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 14px;
}

.zh_about_title {
    font-size: 24px;
    font-weight: 700;
    color: var(--zh-dark);
    line-height: 1.35;
    margin-bottom: 14px;
}

.zh_about_desc {
    font-size: 14px;
    color: var(--zh-text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.zh_about_features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zh_about_features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--zh-dark-secondary);
    border-bottom: 1px solid var(--zh-gray-200);
}

.zh_about_features li:last-child {
    border-bottom: none;
}

.zh_about_features li i {
    color: var(--zh-accent);
    font-size: 14px;
    margin-top: 3px;
    flex-shrink: 0;
}

.zh_about_features li strong {
    color: var(--zh-dark);
}

.zh_about_img {
    border-radius: var(--zh-radius-lg);
    overflow: hidden;
}

.zh_about_img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
    border-radius: var(--zh-radius-lg);
}

/* ⑤ 使用流程 */
.zh_process {
    padding: 72px 0;
    background: var(--zh-white);
}

.zh_process_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
}

.zh_process_card {
    text-align: center;
    padding: 28px 20px;
    position: relative;
}

.zh_process_num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--zh-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 18px;
    position: relative;
    z-index: 1;
}

.zh_process_card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 52px;
    left: calc(50% + 30px);
    right: calc(-50% + 30px);
    height: 2px;
    background: var(--zh-gray-300);
    z-index: 0;
}

.zh_process_icon {
    width: 44px;
    height: 44px;
    background: var(--zh-primary-light);
    border-radius: var(--zh-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    color: var(--zh-primary);
    font-size: 18px;
}

.zh_process_title {
    font-size: 16px;
    font-weight: 600;
    color: var(--zh-dark);
    margin-bottom: 6px;
}

.zh_process_desc {
    font-size: 13px;
    color: var(--zh-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ⑥ CTA */
.zh_cta {
    padding: 64px 0;
    background: linear-gradient(135deg, #1a73a7, #145d87);
    text-align: center;
}

.zh_cta h2 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.zh_cta p {
    font-size: 15px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 28px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.zh_cta_actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* 空状态 */
.zh_home_empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 20px;
    background: var(--zh-white);
    border: 1px solid var(--zh-gray-200);
    border-radius: var(--zh-radius-lg);
}

.zh_home_empty i {
    font-size: 40px;
    color: var(--zh-gray-300);
    margin-bottom: 12px;
    display: block;
}

.zh_home_empty p {
    font-size: 14px;
    color: var(--zh-gray-500);
    margin: 0;
}

/* === 响应式 === */
@media (max-width: 1200px) {
    .zh_info_grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .zh_hero {
        min-height: auto;
    }
    .zh_hero_title {
        font-size: 30px;
    }
    .zh_adv_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .zh_about_grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .zh_info_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .zh_process_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .zh_process_card:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .zh_hero_inner {
        padding-top: 56px;
        padding-bottom: 48px;
    }
    .zh_hero_title {
        font-size: 24px;
    }
    .zh_hero_subtitle {
        font-size: 16px;
    }
    .zh_hero_stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    .zh_hero_stat_num {
        font-size: 24px;
    }
    .zh_hero_actions {
        flex-direction: column;
    }
    .zh_advantages,
    .zh_latest_infos,
    .zh_about,
    .zh_process,
    .zh_cta {
        padding: 48px 0;
    }
    .zh_adv_grid {
        grid-template-columns: 1fr 1fr;
    }
    .zh_info_grid {
        grid-template-columns: 1fr 1fr;
    }
    .zh_process_grid {
        grid-template-columns: 1fr 1fr;
    }
    .zh_about_img img {
        height: 240px;
    }
    .zh_latest_header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .zh_cta h2 {
        font-size: 22px;
    }
}

@media (max-width: 576px) {
    .zh_hero_title {
        font-size: 22px;
    }
    .zh_adv_grid {
        grid-template-columns: 1fr;
    }
    .zh_info_grid {
        grid-template-columns: 1fr;
    }
    .zh_process_grid {
        grid-template-columns: 1fr;
    }
}