.slideshow {
    height: 600px;
    object-fit: cover;
}

/* 视频列表缩略图 */
.video-thumb {
    position: relative;
    height: 180px;
    overflow: hidden;
}
.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, .85);
    font-size: 46px;
    line-height: 1;
    transition: color .3s;
}
.play-icon:hover {
    color: #fff;
}

/* 侧边栏栏目导航激活态：沿用鼠标经过时的颜色，不使用默认蓝色 */
.list-group-item.sidebar-active {
    color: #495057;
    background-color: #f8f9fa;
}

/* 首页产品中心：分类标签 + 商品轮播 */
.product-tabs {
    margin-bottom: 26px;
}
.product-tab {
    display: inline-block;
    padding: 8px 24px;
    margin: 4px 6px;
    color: #fff;
    background-color: #2f3e50;
    border-radius: 3px;
    font-size: 15px;
    transition: background-color .3s;
}
.product-tab:hover,
.product-tab.active {
    color: #fff;
    background-color: #17a2b8;
    text-decoration: none;
}
.product-panels {
    position: relative;
}
.product-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s;
}
.product-panel.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    z-index: 2;
}
.product-carousel {
    position: relative;
}
.product-swiper .swiper-slide {
    width: 46%;
}
.product-slide {
    display: block;
    padding: 10px;
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    box-shadow: 0 6px 22px rgba(0, 0, 0, .1);
    transition: box-shadow .3s, transform .3s;
}
.product-slide:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, .16);
    transform: translateY(-2px);
}
.product-pic {
    height: 340px;
    overflow: hidden;
    background: #f5f5f5;
}
.product-pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.p-prev,
.p-next {
    position: absolute;
    top: 50%;
    margin-top: -22px;
    width: 44px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, .35);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    z-index: 20;
    transition: background .3s;
}
.p-prev { left: 12px; }
.p-next { right: 12px; }
.p-prev:hover,
.p-next:hover {
    background: rgba(0, 0, 0, .6);
}
.product-caption {
    text-align: center;
    margin-top: 20px;
}
.product-caption .product-name {
    min-height: 26px;
    margin-bottom: 14px;
    font-size: 18px;
    color: #333;
}
.more-btn {
    display: inline-block;
    padding: 7px 30px;
    color: #fff;
    background-color: #17a2b8;
    border-radius: 2px;
    letter-spacing: 1px;
}
.more-btn:hover {
    color: #fff;
    background-color: #138496;
    text-decoration: none;
}
.product-empty {
    padding: 60px 0;
    text-align: center;
    color: #999;
}

/* 首页产品中心：左对齐中英标题（英文斜体 + 中文 + 斜线 + 下划短线） */
.imod-product .product-head {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 30px;
}
.imod-product .ph-left {
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: center;
}
.imod-product .ph-en {
    font-size: 40px;
    font-weight: 800;
    font-style: italic;
    line-height: 1.05;
    color: #2b3a4a;
}
.imod-product .ph-bar {
    display: block;
    width: 66px;
    height: 3px;
    margin-top: 12px;
    background: #2b3a4a;
}
.imod-product .ph-right {
    padding-left: 18px;
    padding-top: 6px;
}
.imod-product .ph-title {
    display: flex;
    align-items: flex-start;
}
.imod-product .ph-cn {
    font-size: 23px;
    font-weight: 700;
    line-height: 1.2;
    color: #2b3a4a;
}
.imod-product .ph-slash {
    margin-left: 10px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -3px;
    color: #8c98a4;
}
.imod-product .ph-sub {
    margin-top: 4px;
    font-size: 14px;
}
.imod-product .ph-sub1 {
    font-weight: 700;
    color: #2b3a4a;
}
.imod-product .ph-sub2 {
    color: #8c98a4;
}

/* 首页关于我们：两行三块（上排：左标题 / 右图片，下排：整行内容），不设边框与底色 */
.imod-about .about-top > div {
    display: flex;
}
.imod-about .about-box {
    flex: 1 1 auto;
    background: transparent;
    border: 0;
    box-shadow: none;
}
.imod-about .about-head-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px 32px;
}
.imod-about .about-pic-box {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px 26px;
}
.imod-about .about-bottom {
    margin-top: 24px;
}
.imod-about .about-body-box {
    padding: 30px 32px;
}
.imod-about .ab-en {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 4px;
    color: #21a4ae;
}
.imod-about .ab-sub {
    margin-top: 8px;
    font-size: 13px;
    color: #9aa4ae;
}
.imod-about .ab-cn {
    margin-top: 28px;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #2b3a4a;
}
.imod-about .ab-en2 {
    margin-top: 8px;
    font-size: 11px;
    letter-spacing: 0;
    text-transform: uppercase;
    color: #9aa4ae;
}
.imod-about .ab-body {
    margin: 0;
    font-size: 14px;
    color: #6b7683;
    text-align: justify;
}
.imod-about .ab-body p {
    margin: 0 0 10px;
}
.imod-about .ab-more {
    margin-top: 18px;
}
.imod-about .ab-more a {
    color: #21a4ae;
}
.imod-about .about-pic-box img {
    display: block;
    max-width: 100%;
    height: auto;
}
@media (max-width: 767.98px) {
    .imod-product .product-head {
        margin-bottom: 20px;
    }
    .imod-product .ph-en {
        font-size: 28px;
    }
    .imod-product .ph-cn {
        font-size: 18px;
    }
    .imod-product .ph-sub {
        font-size: 12px;
    }
    .imod-about .ab-en {
        font-size: 28px;
        letter-spacing: 2px;
    }
    .imod-about .ab-cn {
        margin-top: 18px;
        font-size: 19px;
    }
    .imod-about .ab-body {
        margin-top: 16px;
        font-size: 13px;
    }
    .imod-about .about-head-box,
    .imod-about .about-body-box {
        padding: 20px 18px;
    }
}

/* 首页新闻中心：标题 + 主推 + 网格（右侧铺满） */
.imod-news .news-head {
    text-align: center;
    line-height: 1.1;
    padding-bottom: 4px;
    margin-bottom: 34px;
}
.imod-news .news-head .st-en {
    margin-right: 12px;
    font-size: 38px;
    font-weight: 700;
    font-style: italic;
    color: #2b3a4a;
}
.imod-news .news-head .st-cn {
    margin-right: 12px;
    font-size: 22px;
    color: #2b3a4a;
}
.imod-news .news-head .st-slash {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -4px;
    color: #b9c2cc;
}
.imod-news .news-head .st-sub {
    margin-top: 8px;
    font-size: 14px;
    letter-spacing: 1px;
    color: #8c98a4;
}

/* 左侧主推：整块白卡 + 边框 + 阴影 */
.imod-news .news-wrap {
    align-items: stretch;
}
.imod-news .news-feature-col {
    display: flex;
}
.imod-news .news-feature {
    display: flex;
    flex-direction: column;
    width: 100%;
    color: inherit;
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 6px 22px rgba(0, 0, 0, .08);
    transition: box-shadow .3s;
}
.imod-news .news-feature:hover {
    color: inherit;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .14);
}
.imod-news .news-feature-pic {
    height: 380px;
    overflow: hidden;
    background: #f5f5f5;
}
.imod-news .news-feature-pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.imod-news .news-feature-body {
    display: flex;
    flex: 1 1 auto;
    padding: 22px 24px 26px;
}
.imod-news .news-date {
    flex: 0 0 78px;
    text-align: center;
}
.imod-news .news-day {
    display: block;
    font-size: 42px;
    font-weight: 700;
    line-height: 1;
    color: #4caf50;
}
.imod-news .news-ym {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #9aa4ae;
}
.imod-news .news-feature-text {
    flex: 1 1 auto;
    padding-left: 8px;
}
.imod-news .news-feature-text h5 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 700;
    color: #2b3a4a;
}
.imod-news .news-feature-text p {
    margin: 0;
    font-size: 14px;
    line-height: 1.9;
    color: #8c98a4;
}

/* 右侧 2×2 网格：撑满整个右侧列高度 */
.imod-news .news-grid-col {
    display: flex;
}
.imod-news .news-grid {
    display: grid;
    flex: 1 1 auto;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    width: 100%;
}
.imod-news .news-mini {
    display: block;
    padding: 22px 20px;
    color: inherit;
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    box-shadow: 0 6px 22px rgba(0, 0, 0, .08);
    transition: box-shadow .3s, transform .3s;
}
.imod-news .news-mini:hover {
    color: inherit;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .14);
    transform: translateY(-2px);
}
.imod-news .news-mini .news-day {
    font-size: 36px;
}
.imod-news .news-mini .news-ym {
    margin: 4px 0 14px;
}
.imod-news .news-mini h6 {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: #2f6fb2;
}
.imod-news .news-mini:hover h6 {
    color: #1b4f86;
}

/* 评论/留言框：与页面背景区分开，更加明显 */
.comment-box {
    padding: 24px 26px;
    background: #f7f9fa;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, .1);
}
.comment-box h4 {
    position: relative;
    margin-bottom: 18px;
    padding-left: 12px;
    font-size: 18px;
    color: #2b3a4a;
}
.comment-box h4::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 4px;
    height: 18px;
    margin-top: -9px;
    background: #17a2b8;
    border-radius: 2px;
}
.comment-box .form-control {
    background-color: #fff;
}

/* 联系我们页面：信息卡 / 留言表单 / 地图 */
.contact-card {
    padding: 26px 28px;
    background: #fff;
    border: 1px solid var(--song-line);
    border-radius: 8px;
    box-shadow: 0 6px 22px rgba(0, 0, 0, .06);
}
.contact-title {
    position: relative;
    margin-bottom: 18px;
    padding-left: 12px;
    font-size: 20px;
    font-family: var(--song-serif);
    color: var(--song-ink);
}
.contact-title::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 4px;
    height: 18px;
    margin-top: -9px;
    background: var(--song-red);
    border-radius: 2px;
}
.contact-intro {
    margin-bottom: 22px;
    line-height: 1.9;
    color: var(--song-ink-2);
}
.contact-list li {
    display: flex;
    margin-bottom: 18px;
}
.contact-list li:last-child {
    margin-bottom: 0;
}
.contact-ico {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    margin-right: 14px;
    line-height: 44px;
    text-align: center;
    border-radius: 50%;
    background: var(--song-bg-deep);
    color: var(--song-red);
    font-size: 18px;
}
.contact-list h6 {
    margin: 0 0 4px;
    font-size: 15px;
    font-family: var(--song-serif);
    color: var(--song-ink);
}
.contact-list p {
    margin: 0;
    font-size: 14px;
    color: var(--song-ink-3);
}
.contact-form label {
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--song-ink);
}
#bmap {
    width: 100%;
    height: 350px;
    border-radius: 4px;
    overflow: hidden;
}
.contact-map-desc {
    margin-bottom: 14px;
}
.contact-map-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--song-ink-3);
    background: var(--song-bg-deep);
    border: 1px dashed var(--song-line);
}

/* ===== 头部 logo ===== */
.navbar-brand .logo-sm-height {
    height: 62px;
    width: auto;
}

/* ===== 头部导航：二级 / 三级下拉菜单 ===== */
.navbar-nav .dropdown {
    position: relative;
}
/* 有子栏目的项显示小三角 */
.navbar-nav .nav-link.dropdown-toggle::after {
    display: inline-block;
    margin-left: .35em;
    vertical-align: .18em;
    content: "";
    border-top: .32em solid;
    border-right: .32em solid transparent;
    border-bottom: 0;
    border-left: .32em solid transparent;
}
/* 二级面板：宋式（米白底 + 朱红顶线） */
.navbar-nav .dropdown-menu {
    top: 100%;
    left: 0;
    min-width: 178px;
    margin: 0;
    padding: 6px 0;
    border: 1px solid var(--song-line);
    border-top: 2px solid var(--song-red);
    border-radius: 0 0 4px 4px;
    background: #faf6ef;
    box-shadow: 0 12px 26px rgba(120, 90, 60, .16);
}
.navbar-nav .dropdown-menu .dropdown-item {
    padding: 9px 22px;
    color: var(--song-ink-2);
    font-size: 14px;
    white-space: nowrap;
}
.navbar-nav .dropdown-menu .dropdown-item:hover,
.navbar-nav .dropdown-menu .dropdown-item:focus {
    color: #fff;
    background-color: var(--song-red);
}
/* 三级：向右侧弹出 */
.navbar-nav .dropdown-menu .dropdown-submenu {
    position: relative;
}
.navbar-nav .dropdown-menu .dropdown-submenu > .dropdown-item {
    padding-right: 36px;
}
.navbar-nav .dropdown-menu .dropdown-submenu > .dropdown-item::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 16px;
    margin-top: -3px;
    border-top: .32em solid transparent;
    border-bottom: .32em solid transparent;
    border-left: .32em solid;
}
.navbar-nav .dropdown-menu .dropdown-submenu > .dropdown-menu {
    top: -6px;
    left: 100%;
    border-radius: 4px;
}
/* 桌面端：鼠标经过即展开 */
@media (min-width: 992px) {
    .navbar-nav .dropdown:hover > .dropdown-menu {
        display: block;
    }
    .navbar-nav .dropdown-menu .dropdown-submenu:hover > .dropdown-menu {
        display: block;
    }
}
/* 移动端：折叠菜单内子级常显并缩进 */
@media (max-width: 991.98px) {
    .navbar-nav .dropdown-menu {
        position: static;
        float: none;
        width: auto;
        margin-top: 0;
        padding: 0 0 0 16px;
        border: 0;
        background: transparent;
        box-shadow: none;
        display: block;
    }
    .navbar-nav .dropdown-menu .dropdown-item {
        padding: 8px 12px;
        color: var(--song-ink-2);
    }
    .navbar-nav .dropdown-menu .dropdown-submenu > .dropdown-item::after {
        display: none;
    }
    .navbar-nav .dropdown-menu .dropdown-submenu > .dropdown-menu {
        top: 0;
        left: 0;
    }
}

/* 小屏以下 logo 与占位高度 */
@media (max-width: 576px) {
    .navbar-brand .logo-sm-height {
        height: 48px;
    }
    .head-sm-height {
        height: 69px !important;
    }
}

/* ===== 底部 ===== */
.site-footer {
    position: relative;
    margin-top: 46px;
    background: #232a36;
    color: #aeb7c4;
}
/* 顶部青绿色横条 */
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 26px;
    background: #21a4ae;
}
/* 顶部 logo：放大并下移，压盖在深色区域上 */
.footer-logo {
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}
.footer-logo img {
    display: block;
    height: 84px;
    width: auto;
}
.footer-main {
    position: relative;
    padding-top: 72px;
    padding-bottom: 34px;
}
.footer-company {
    margin: 0 0 12px;
    font-size: 15px;
    color: #e9edf2;
}
.footer-tel {
    display: inline-block;
    margin-bottom: 16px;
    color: #17a2b8;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
}
.footer-tel:hover {
    color: #35c0d6;
    text-decoration: none;
}
.footer-tel .fa {
    margin-right: 8px;
    font-size: 24px;
}
.footer-info {
    font-size: 13px;
    line-height: 2;
    color: #97a1af;
}
.footer-info a {
    color: #97a1af;
}
.footer-info a:hover {
    color: #17a2b8;
    text-decoration: none;
}
/* 二维码 */
.footer-code {
    display: inline-block;
    margin-top: 28px;
    padding: 8px;
    background: #fff;
    border-radius: 4px;
}
.footer-code .code,
.footer-code .code img {
    display: block;
    height: 100px;
    width: 100px;
}
.footer-code-tip {
    margin-top: 12px;
    margin-bottom: 0;
    font-size: 13px;
    color: #97a1af;
}
/* 右侧导航网格 */
.footer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid rgba(255, 255, 255, .14);
    border-left: 1px solid rgba(255, 255, 255, .14);
}
.footer-nav li a {
    display: block;
    padding: 15px 18px;
    color: #cfd6df;
    font-size: 14px;
    border-right: 1px solid rgba(255, 255, 255, .14);
    border-bottom: 1px solid rgba(255, 255, 255, .14);
}
.footer-nav li a:hover {
    color: #fff;
    background: #17a2b8;
    text-decoration: none;
}
/* 底部版权条 */
.footer-bottom {
    padding: 14px 0;
    font-size: 13px;
    color: #8b95a3;
    border-top: 1px solid rgba(255, 255, 255, .1);
}
.footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}
.footer-bottom a {
    color: #8b95a3;
}
.footer-bottom a:hover {
    color: #17a2b8;
    text-decoration: none;
}
.footer-links a {
    margin-left: 16px;
}
.footer-links a:first-child {
    margin-left: 0;
}
@media (max-width: 767.98px) {
    .footer-logo img {
        height: 72px;
    }
    .footer-main {
        padding-top: 62px;
        padding-bottom: 24px;
        text-align: center;
    }
    .footer-tel {
        font-size: 26px;
    }
    .footer-code {
        margin-top: 20px;
    }
    .footer-nav {
        margin-top: 22px;
        text-align: left;
    }
    .footer-bottom .container {
        justify-content: center;
        text-align: center;
    }
    .footer-links {
        margin-top: 8px;
    }
}

/* ===== 首页数字统计模块 ===== */
.imod-number {
    padding: 40px 0;
}
.imod-number .number-list {
    align-items: center;
}
.imod-number .number-item {
    display: flex;
    align-items: center;
}
.imod-number .number-val {
    font-size: 38px;
    font-weight: 700;
    line-height: 1;
    color: #17a2b8;
    white-space: nowrap;
}
.imod-number .number-line {
    display: inline-block;
    width: 1px;
    height: 44px;
    margin: 0 18px;
    background: #dcdcdc;
}
.imod-number .number-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.imod-number .number-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    color: #333;
}
.imod-number .number-desc {
    margin-top: 2px;
    font-size: 13px;
    line-height: 1.5;
    color: #999;
}
@media (max-width: 767.98px) {
    .imod-number {
        padding: 26px 0;
    }
    .imod-number .number-item {
        margin-bottom: 16px;
    }
    .imod-number .number-val {
        font-size: 30px;
    }
    .imod-number .number-line {
        height: 36px;
        margin: 0 14px;
    }
}

/* ===== 首页风格体系模块 ===== */
.imod-style {
    padding-top: 70px;
    background-color: #fff;
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% auto;
}
.imod-style .style-head {
    text-align: center;
    line-height: 1.1;
    padding-bottom: 4px;
}
.imod-style .st-en {
    margin-right: 12px;
    font-size: 40px;
    font-weight: 700;
    font-style: italic;
    color: #fff;
}
.imod-style .st-cn {
    margin-right: 12px;
    font-size: 22px;
    color: #fff;
}
.imod-style .st-slash {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -4px;
    color: #fff;
}
.imod-style .st-sub {
    margin-top: 10px;
    font-size: 14px;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, .85);
}
.imod-style .style-cards {
    position: relative;
    z-index: 2;
    margin-top: 22px;
    padding-bottom: 50px;
}
.imod-style .style-swiper .swiper-slide {
    height: auto;
}
.imod-style .style-card {
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    box-shadow: 0 6px 22px rgba(0, 0, 0, .1);
    overflow: hidden;
}
.imod-style .style-prev,
.imod-style .style-next {
    position: absolute;
    top: 150px;
    z-index: 5;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-size: 24px;
    color: #666;
    background: rgba(255, 255, 255, .88);
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .16);
    cursor: pointer;
}
.imod-style .style-prev {
    left: 22px;
}
.imod-style .style-next {
    right: 22px;
}
.imod-style .style-card-pic img {
    display: block;
    width: 100%;
    height: 240px;
    object-fit: cover;
}
.imod-style .style-card-body {
    padding: 18px 20px 22px;
}
.imod-style .style-card-title {
    margin: 0 0 12px;
    font-size: 17px;
    font-weight: 700;
    color: #333;
}
.imod-style .style-card-body p {
    margin: 0;
    font-size: 13px;
    line-height: 1.9;
    color: #666;
}
.imod-style .style-card-body p::first-letter {
    margin-right: 3px;
    font-size: 15px;
    color: #4caf50;
}
.imod-style .style-card-body br {
    display: none;
}

/* ===== 首页流程模块 ===== */
.imod-flow {
    padding: 46px 0;
}
.imod-flow .flow-item {
    display: flex;
    align-items: center;
}
.imod-flow .flow-ico img {
    display: block;
    width: 76px;
    height: auto;
}
/* 图标右侧：箭头在上、文字在箭头下方 */
.imod-flow .flow-right {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 0 6px 0 16px;
}
.imod-flow .flow-arrow {
    position: relative;
    width: 100%;
    max-width: 130px;
    height: 1px;
    background: #c9c9c9;
}
.imod-flow .flow-arrow::after {
    content: "";
    position: absolute;
    right: -1px;
    top: -3px;
    border-left: 5px solid #c9c9c9;
    border-top: 3px solid transparent;
    border-bottom: 3px solid transparent;
}
.imod-flow .flow-name {
    margin-top: 8px;
    font-size: 14px;
    color: #555;
    white-space: nowrap;
}
@media (max-width: 767.98px) {
    .imod-style {
        padding-top: 28px;
    }
    .imod-style .st-en {
        font-size: 26px;
    }
    .imod-style .st-cn {
        font-size: 16px;
    }
    .imod-style .st-slash {
        font-size: 18px;
    }
    .imod-style .st-sub {
        margin-top: 4px;
        font-size: 12px;
    }
    .imod-style .style-cards {
        margin-top: 14px;
        padding-bottom: 30px;
    }
    .imod-style .style-card-pic img {
        height: 190px;
    }
    .imod-style .style-prev,
    .imod-style .style-next {
        top: 78px;
        width: 34px;
        height: 34px;
        line-height: 34px;
        font-size: 20px;
    }
    .imod-style .style-prev {
        left: 20px;
    }
    .imod-style .style-next {
        right: 20px;
    }
    .imod-flow {
        padding: 28px 0;
    }
    .imod-flow .flow-ico img {
        width: 54px;
    }
    .imod-flow .flow-right {
        padding: 0 4px 0 10px;
    }
    .imod-flow .flow-name {
        margin-top: 6px;
        font-size: 13px;
    }
}

/* ============================================================
   宋式主题（首页改版）：米白宣纸底 + 朱红点缀 + 宋体衬线
   ============================================================ */
:root {
    --song-bg: #f7f2ea;
    --song-bg-deep: #f2eadf;
    --song-ink: #2b2620;
    --song-ink-2: #6b6156;
    --song-ink-3: #8a7f72;
    --song-red: #9e2b25;
    --song-red-2: #b5433c;
    --song-line: #e4d8c8;
    --song-serif: 'Songti SC', 'STSong', 'SimSun', 'Noto Serif SC', 'Source Han Serif SC', serif;
}
body {
    background: var(--song-bg);
    color: var(--song-ink-2);
}

/* 小节标题 */
.sec-head {
    margin-bottom: 52px;
}
.sec-center {
    text-align: center;
}
.sec-en {
    font-family: var(--song-serif);
    color: var(--song-red);
    letter-spacing: 6px;
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.sec-cn {
    font-family: var(--song-serif);
    color: var(--song-ink);
    font-size: 34px;
    letter-spacing: 6px;
    margin: 0;
    font-weight: 600;
}
.sec-sub {
    color: var(--song-ink-3);
    font-size: 15px;
    letter-spacing: 2px;
    margin: 14px 0 0;
}
.sec-more {
    text-align: center;
    margin-top: 48px;
}
.btn-dark {
    display: inline-block;
    background: #3b3733;
    color: #fff;
    padding: 13px 42px;
    letter-spacing: 4px;
    font-size: 14px;
    border-radius: 0;
    transition: .3s;
}
.btn-dark:hover {
    background: var(--song-red);
    color: #fff;
    text-decoration: none;
}

/* 首屏海报 */
.imod-hero {
    padding: 0;
}
/* 首屏：图片全幅铺底 + 文案叠加其上 */
.hero {
    position: relative;
    background: var(--song-bg);
    overflow: hidden;
}
/* 背景图片层 */
.hero-media {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    z-index: 0;
}
/* 文案层：浮于图片之上 */
.hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    min-height: 760px;
    padding-top: 30px;
    padding-bottom: 96px;
}
.hero-panel {
    max-width: 560px;
    display: flex;
    flex-direction: column;
}
.hero-deco {
    display: flex;
    align-items: center;
    font-family: var(--song-serif);
    color: var(--song-red);
    letter-spacing: 4px;
    font-size: 14px;
    margin-bottom: 20px;
}
.hero-deco::before {
    content: "";
    display: block;
    width: 26px;
    height: 1px;
    margin-right: 12px;
    background: var(--song-red);
}
.hero-title {
    font-family: var(--song-serif);
    color: var(--song-ink);
    font-size: 52px;
    letter-spacing: 12px;
    margin: 0 0 22px;
    font-weight: 600;
}
.hero-line {
    display: none;
}
.hero-slogan {
    color: var(--song-ink-2);
    font-size: 17px;
    letter-spacing: 3px;
    line-height: 1.9;
    margin: 0 0 18px;
}
.hero-desc {
    max-width: 470px;
    margin: 0 0 38px;
    color: var(--song-ink-2);
    font-size: 15px;
    line-height: 2;
    letter-spacing: .5px;
}
.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hbtn {
    display: inline-block;
    padding: 13px 34px;
    font-size: 14px;
    letter-spacing: 3px;
    transition: .3s;
    border: 1px solid var(--song-red);
}
.hbtn:hover {
    text-decoration: none;
}
.hbtn-solid {
    background: var(--song-red);
    color: #fff;
}
.hbtn-solid:hover {
    background: var(--song-red-2);
    color: #fff;
}
.hbtn-line {
    background: transparent;
    color: var(--song-red);
}
.hbtn-line:hover {
    background: var(--song-red);
    color: #fff;
}
.hero-art,
.hero-photo {
    flex: 1 1 0;
    overflow: hidden;
    min-width: 0;
}
.hero-art {
    background: #fff;
}
.hero-art img,
.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
/* 左侧米白色渐隐蒙层：保证叠加文案可读 */
.hero-shade {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(247, 242, 234, .93) 0%, rgba(247, 242, 234, .9) 30%, rgba(247, 242, 234, .58) 42%, rgba(247, 242, 234, 0) 52%);
}
/* 底部「向下探索」动效 */
.hero-scroll {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--song-ink-2);
    text-decoration: none;
}
.hero-scroll:hover {
    color: var(--song-red);
    text-decoration: none;
}
.hero-scroll-txt {
    font-size: 11px;
    letter-spacing: 3px;
    margin-bottom: 8px;
}
.hero-scroll-bar {
    position: relative;
    display: block;
    width: 1px;
    height: 44px;
    background: rgba(43, 38, 32, .18);
    overflow: hidden;
}
.hero-scroll-bar i {
    position: absolute;
    left: 0;
    top: -50%;
    width: 100%;
    height: 50%;
    background: var(--song-red);
    animation: heroScrollMove 1.8s ease-in-out infinite;
}
@keyframes heroScrollMove {
    0% {
        top: -50%;
    }
    100% {
        top: 100%;
    }
}

/* 品牌理念 */
.imod-about .brand {
    padding: 96px 0;
}
.brand-row {
    display: flex;
    align-items: center;
    gap: 64px;
}
.brand-pic {
    flex: 0 0 46%;
}
.brand-pic img {
    width: 100%;
    display: block;
    box-shadow: 0 18px 46px rgba(70, 50, 30, .12);
}
.brand-text {
    flex: 1 1 0;
}
.brand-sub {
    color: var(--song-ink-2);
    font-size: 16px;
    letter-spacing: 3px;
    margin: 18px 0 20px;
    font-family: var(--song-serif);
}
.brand-body {
    color: var(--song-ink-3);
    font-size: 15px;
    line-height: 2.1;
    margin-bottom: 34px;
}
.brand-body p {
    margin-bottom: 10px;
}
.brand-feats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px 34px;
}
.bf-item {
    display: flex;
    align-items: center;
    gap: 16px;
}
/* 「木 工 形 韵」：朱红圆圈包裹 */
.bf-char {
    font-family: var(--song-serif);
    font-size: 24px;
    color: var(--song-red);
    line-height: 1;
    flex: 0 0 auto;
    width: 58px;
    height: 58px;
    border: 1px solid var(--song-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bf-txt {
    display: flex;
    flex-direction: column;
}
.bf-name {
    font-family: var(--song-serif);
    font-size: 16px;
    color: var(--song-ink);
    letter-spacing: 2px;
}
.bf-desc {
    font-size: 12.5px;
    color: var(--song-ink-3);
    margin-top: 4px;
}

/* 风雅四艺 */
.imod-arts .arts {
    padding: 96px 0;
    background: var(--song-bg-deep);
}
.arts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.art-card {
    background: #fff;
    padding: 46px 22px 40px;
    text-align: center;
    transition: .35s;
    box-shadow: 0 10px 30px rgba(120, 90, 60, .06);
}
.art-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(120, 90, 60, .14);
}
.art-char {
    display: block;
    font-family: var(--song-serif);
    font-size: 54px;
    color: var(--song-red);
    line-height: 1;
}
.art-name {
    display: block;
    font-family: var(--song-serif);
    font-size: 17px;
    color: var(--song-ink);
    letter-spacing: 4px;
    margin-top: 12px;
}
.art-desc {
    display: block;
    font-size: 13px;
    color: var(--song-ink-3);
    line-height: 2;
    margin-top: 14px;
}

/* 产品中心 */
.imod-product .products {
    padding: 96px 0;
    background: var(--song-bg);
}
.prod-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.prod-card {
    display: block;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(120, 90, 60, .07);
    transition: .35s;
}
.prod-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 44px rgba(120, 90, 60, .16);
    text-decoration: none;
}
.prod-pic {
    height: 280px;
    overflow: hidden;
    background: var(--song-bg-deep);
}
.prod-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: .6s;
}
.prod-card:hover .prod-pic img {
    transform: scale(1.06);
}
.prod-body {
    padding: 22px 26px 26px;
}
.prod-name {
    font-family: var(--song-serif);
    font-size: 19px;
    color: var(--song-ink);
    letter-spacing: 3px;
    margin: 0 0 8px;
    font-weight: 600;
}
.prod-count {
    font-size: 12.5px;
    color: var(--song-red);
    letter-spacing: 2px;
}

/* 实景案例 */
.imod-case .cases {
    padding: 96px 0;
    background: var(--song-bg-deep);
}
.case-wrap {
    display: flex;
    gap: 20px;
}
.case-big {
    flex: 0 0 49%;
}
.case-grid {
    flex: 1 1 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.case-item {
    position: relative;
    display: block;
    overflow: hidden;
    background: #e8ded0;
}
.case-big .case-item {
    height: 540px;
}
.case-grid .case-item {
    height: 260px;
}
.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: .6s;
}
.case-item:hover img {
    transform: scale(1.06);
}
.case-mask {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(to top, rgba(30, 22, 16, .62), rgba(30, 22, 16, 0) 55%);
}
.case-name {
    position: absolute;
    left: 0;
    bottom: 16px;
    width: 100%;
    padding: 0 12px;
    text-align: center;
    color: #fff;
    font-family: var(--song-serif);
    font-size: 16px;
    letter-spacing: 3px;
}

/* 导航主题 */
.navbar.navbar-light.bg-light {
    background: #fff !important;
    border-bottom: 1px solid var(--song-line);
    box-shadow: 0 1px 10px rgba(120, 90, 60, .06) !important;
}
.navbar .nav-link {
    color: var(--song-ink) !important;
    letter-spacing: 2px;
    font-size: 15px;
}
.navbar .nav-link:hover,
.navbar .nav-item.active .nav-link {
    color: var(--song-red) !important;
}
/* 当前栏目：文字下方朱红细线 */
.navbar .nav-item.active > .nav-link {
    position: relative;
}
.navbar .nav-item.active > .nav-link:not(.dropdown-toggle)::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--song-red);
}
.navbar .navbar-text a {
    color: var(--song-ink-2);
}
/* ===== 头部全站搜索（导航右侧圆形图标，点击后输入框浮层展开，不影响导航布局） ===== */
.nav-search {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: 16px;
}
.nav-search-input {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 1060;
    width: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;
    opacity: 0;
    background: #faf6ef;
    color: var(--song-ink);
    font-size: 14px;
    letter-spacing: 1px;
    pointer-events: none;
    transition: width .32s ease, opacity .32s ease, padding .32s ease;
}
.nav-search.open .nav-search-input {
    width: 240px;
    padding: 10px 14px;
    border: 1px solid var(--song-line);
    border-radius: 4px;
    opacity: 1;
    pointer-events: auto;
    box-shadow: 0 12px 26px rgba(120, 90, 60, .16);
}
.nav-search-btn {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--song-line);
    border-radius: 50%;
    background: #fff;
    color: var(--song-ink-2);
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    transition: .3s;
}
.nav-search-btn:hover {
    border-color: var(--song-red);
    background: var(--song-red);
    color: #fff;
}

/* ===== 预约咨询 CTA（首页模块：定制您的宋式居所） ===== */
.cta {
    background: #3b2b1e;
    color: #f0e8dd;
    text-align: center;
    padding: 74px 0 78px;
}
.cta-title {
    font-family: var(--song-serif);
    font-size: 34px;
    letter-spacing: 6px;
    color: #f7f1e6;
    margin: 0 0 18px;
}
.cta-sub {
    font-size: 15px;
    line-height: 1.9;
    color: #cbb9a5;
    margin: 0 auto 30px;
    max-width: 660px;
}
.cta-btn {
    display: inline-block;
    padding: 12px 40px;
    font-size: 14px;
    letter-spacing: 3px;
    color: #f0e8dd;
    border: 1px solid rgba(240, 232, 221, .55);
    transition: .3s;
}
.cta-btn:hover {
    background: var(--song-red);
    border-color: var(--song-red);
    color: #fff;
    text-decoration: none;
}

/* 页脚主题（深棕暖调，与 CTA 贴合，仅以细红线分隔） */
.site-footer {
    margin-top: 0;
    background: #3b2b1e;
    color: #c2b1a0;
}
/* CTA 与页脚之间：细微、左右渐隐的朱红分隔线 */
.site-footer::before {
    display: block;
    height: 1px;
    background: linear-gradient(90deg, rgba(158, 43, 37, 0) 0%, rgba(158, 43, 37, .75) 50%, rgba(158, 43, 37, 0) 100%);
}
.footer-main {
    padding-top: 54px;
}
.footer-company {
    font-family: var(--song-serif);
    font-size: 19px;
    letter-spacing: 3px;
    color: #f2eadc;
}
.footer-tel {
    color: var(--song-red-2);
}
.footer-tel:hover {
    color: #f2eadc;
}
.footer-info {
    color: #b7a693;
}
.footer-info a {
    color: #b7a693;
}
.footer-info a:hover {
    color: #f2eadc;
}
.footer-code-tip {
    color: #b7a693;
}
.footer-nav {
    border-top: 0;
    border-left: 0;
}
.footer-nav li a {
    padding: 8px 0;
    color: #c2b1a0;
    border-right: 0;
    border-bottom: 0;
}
.footer-nav li a:hover {
    color: #f2eadc;
    background: transparent;
}
.footer-bottom {
    color: #9c8b79;
    border-top: 1px solid rgba(240, 232, 221, .14);
}
.footer-copy,
.footer-links {
    color: #9c8b79;
}
.footer-bottom a {
    color: #9c8b79;
}
.footer-bottom a:hover {
    color: #f2eadc;
}

/* ===== 侧边悬浮客服：统一宋式主题（深棕底 + 朱红 hover） ===== */
.online a {
    color: #e8ddd0;
}
.online dl {
    background: #3b2b1e;
}
.online dl:hover {
    background: var(--song-red);
}
.online dl dd {
    color: #e8ddd0;
}
.online dl dt {
    background: var(--song-bg);
    border-color: var(--song-line);
}
.online dl dt h3 {
    color: var(--song-ink);
    border-bottom-color: var(--song-line);
}
.online dl dt input {
    border-color: var(--song-line);
}
.online dl dt button {
    background: var(--song-red);
    color: #fff;
}

@media (max-width: 991.98px) {
    .hero-media {
        position: relative;
        height: 320px;
    }
    .hero-shade {
        background: linear-gradient(180deg, rgba(247, 242, 234, 0) 0%, rgba(247, 242, 234, .18) 50%, rgba(247, 242, 234, .95) 82%, rgba(247, 242, 234, 1) 100%);
    }
    .hero-inner {
        min-height: 0;
        padding-top: 0;
        padding-bottom: 40px;
        margin-top: -70px;
    }
    .hero-panel {
        max-width: 100%;
    }
    .hero-title {
        font-size: 34px;
        letter-spacing: 6px;
    }
    .hero-scroll {
        display: none;
    }
    .brand-row {
        flex-direction: column;
        gap: 40px;
    }
    .brand-pic {
        flex: none;
        width: 100%;
    }
    .arts-grid {
        grid-template-columns: 1fr 1fr;
    }
    .prod-grid {
        grid-template-columns: 1fr 1fr;
    }
    .case-wrap {
        flex-direction: column;
    }
    .case-big {
        flex: none;
    }
    .case-big .case-item {
        height: 340px;
    }
    .case-grid .case-item {
        height: 200px;
    }
}
@media (max-width: 575.98px) {
    .arts-grid {
        grid-template-columns: 1fr;
    }
    .prod-grid {
        grid-template-columns: 1fr;
    }
    .brand-feats {
        grid-template-columns: 1fr;
    }
    .case-grid {
        grid-template-columns: 1fr;
    }
    .case-grid .case-item {
        height: 220px;
    }
}

/* ============================================================
   全站主题统一（内页）：沿用首页宋式配色
   米白宣纸底 + 朱红点缀 + 宋体衬线，覆盖旧青蓝系 Bootstrap 组件
   ============================================================ */

/* 内页正文链接统一为朱红（低优先级，随后的按钮/分页规则可覆盖） */
.pages :where(a) {
    color: var(--song-red);
}
.pages :where(a):hover {
    color: var(--song-red-2);
}

/* 内页标题统一宋体 */
.pages :where(h1, h2, h3, h4, h5),
.content :where(h1, h2, h3, h4, h5) {
    font-family: var(--song-serif);
    color: var(--song-ink);
    font-weight: 600;
    letter-spacing: 2px;
}

/* 内容正文 */
.content {
    color: var(--song-ink-2);
    line-height: 2;
    font-size: 15px;
}
.content img {
    max-width: 100%;
    height: auto;
}

/* 面包屑 */
.position {
    color: var(--song-ink-3);
    font-size: 13px;
    letter-spacing: 1px;
}
.position a {
    color: var(--song-ink-2);
}
.position a:hover {
    color: var(--song-red);
}

/* 内页大屏：统一墨色底 + 暗色蒙层，保持浅色文字可读 */
.jumbotron.jumbotron-fluid {
    position: relative;
    background-color: #2b2620 !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
    background-position: center center !important;
}
.jumbotron.jumbotron-fluid > .container {
    position: relative;
    z-index: 2;
}
.jumbotron.jumbotron-fluid::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(43, 38, 32, .38), rgba(43, 38, 32, .68));
    z-index: 1;
}
.jumbotron.jumbotron-fluid h1 {
    font-family: var(--song-serif);
    letter-spacing: 6px;
    font-weight: 600;
    color: #f7f1e6;
}
@media (max-width: 767.98px) {
    .jumbotron.jumbotron-fluid {
        height: 240px !important;
    }
    .jumbotron.jumbotron-fluid > .container {
        margin-top: 46px !important;
    }
}

/* 主按钮：青蓝 -> 朱红 */
.btn-info,
.btn-primary {
    background-color: var(--song-red);
    border-color: var(--song-red);
    color: #fff;
}
.btn-info:hover,
.btn-info:focus,
.btn-info:not(:disabled):not(.disabled):active,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:not(:disabled):not(.disabled):active {
    background-color: var(--song-red-2);
    border-color: var(--song-red-2);
    color: #fff;
}
.btn-light {
    background-color: var(--song-bg-deep);
    border-color: var(--song-line);
    color: var(--song-ink-2);
}
.btn-light:hover,
.btn-light:focus {
    background-color: #ece2d3;
    border-color: var(--song-line);
    color: var(--song-ink);
}

/* 背景 / 文字 / 徽标配色 */
.bg-info {
    background-color: var(--song-red) !important;
}
a.bg-info:hover {
    background-color: var(--song-red-2) !important;
}
.text-info {
    color: var(--song-red) !important;
}
.badge-info {
    background-color: var(--song-red);
}
.badge-secondary {
    background-color: var(--song-ink-3);
}
.badge-light {
    background-color: var(--song-bg-deep);
    color: var(--song-ink-2) !important;
    border: 1px solid var(--song-line);
}
.badge-danger {
    background-color: var(--song-red);
}
.badge-warning {
    background-color: #c88a3d;
    color: #fff;
}

/* 分页（全站统一 · 宋式） */
.pagination {
    flex-wrap: wrap;
    gap: 6px;
}
.pagination .page-link,
.pagination .page-num {
    display: inline-block;
    min-width: 40px;
    height: 40px;
    line-height: 38px;
    padding: 0 12px;
    text-align: center;
    color: var(--song-ink-2);
    background-color: #fff;
    border: 1px solid var(--song-line);
    border-radius: 0;
    margin: 0;
    font-size: 14px;
    transition: all .25s;
}
.pagination .page-num {
    color: var(--song-red);
}
.pagination .page-num:hover,
.pagination .page-link:hover {
    color: #fff;
    background-color: var(--song-red-2);
    border-color: var(--song-red-2);
    text-decoration: none;
}
.pagination .page-num-current,
.pagination .page-item.active .page-link {
    color: #fff;
    background-color: var(--song-red);
    border-color: var(--song-red);
}
.pagination .page-item:first-child .page-link,
.pagination .page-item:last-child .page-link {
    border-radius: 0;
}

/* 内页左侧栏（宋式） */
.sidebar .side-card {
    background: #fff;
    border: 1px solid var(--song-line);
    margin-bottom: 20px;
    overflow: hidden;
}
.sidebar .side-card-head {
    background: var(--song-red);
    color: #fff;
    font-family: var(--song-serif);
    letter-spacing: 3px;
    font-size: 16px;
    padding: 13px 18px;
}
.sidebar .side-card-head a {
    color: #fff;
}
.sidebar .side-card-body {
    padding: 6px 0;
}
.sidebar .side-nav-item {
    display: block;
    padding: 10px 18px;
    color: var(--song-ink-2);
    font-size: 14px;
    border-bottom: 1px dashed var(--song-line);
    transition: all .25s;
}
.sidebar .side-nav-item:last-child {
    border-bottom: 0;
}
.sidebar .side-nav-item:hover {
    color: var(--song-red);
    background: var(--song-bg-deep);
}
.sidebar .side-nav-item.sidebar-active {
    color: #fff;
    background: var(--song-red);
}
.sidebar .side-card-contact {
    padding: 16px 18px;
    color: var(--song-ink-2);
    font-size: 14px;
    line-height: 2;
}
.sidebar .side-card-contact p {
    margin: 0;
}

/* ===== 内页 / 详情页统一排版（宋式） ===== */
.pages h1,
.pages h2,
.pages h3,
.pages h4,
.pages h5 {
    font-family: var(--song-serif);
    color: var(--song-ink);
    letter-spacing: 2px;
}
.pages h2 {
    font-weight: 600;
    line-height: 1.5;
}
.pages h5 {
    font-size: 18px;
    font-weight: 600;
    border-bottom-color: var(--song-line) !important;
    padding-bottom: 10px;
    margin-bottom: 14px;
}
.pages .border-info {
    border-color: var(--song-line) !important;
}
/* 正文：保证字号与行距，文字清晰 */
.pages .content {
    color: var(--song-ink);
    font-size: 16px;
    line-height: 2;
    letter-spacing: .5px;
    word-break: break-word;
}
.pages .content p {
    margin-bottom: 16px;
}
.pages .content img,
.pages .content iframe {
    max-width: 100% !important;
    height: auto;
}
.pages .content a {
    color: var(--song-red);
}
.pages .content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 18px;
}
.pages .content table td,
.pages .content table th {
    border: 1px solid var(--song-line);
    padding: 8px 12px;
}
/* 标题/元信息/上下篇统一色调 */
.pages .text-secondary {
    color: var(--song-ink-3) !important;
}
/* 清除编辑器内联样式造成的白块与深灰小字，正文统一、清晰 */
.pages .content p,
.pages .content div,
.pages .content section,
.pages .content li {
    background-color: transparent !important;
    color: var(--song-ink) !important;
    font-family: inherit !important;
}
.pages .content span {
    background-color: transparent !important;
}
.pages .content p {
    margin: 0 0 16px !important;
}
/* 「马上咨询」等危险按钮改为主题朱红 */
.btn-danger {
    background-color: var(--song-red);
    border-color: var(--song-red);
    color: #fff;
}
.btn-danger:hover,
.btn-danger:focus,
.btn-danger:not(:disabled):not(.disabled):active {
    background-color: var(--song-red-2);
    border-color: var(--song-red-2);
    color: #fff;
}

/* ===== 关于我们页（品牌故事 / 品牌理念 / 匠心工艺） ===== */
/* 页头 */
.about-hero {
    background: var(--song-bg);
    padding: 96px 0 62px;
    text-align: center;
}
.about-hero-title {
    font-family: var(--song-serif);
    font-size: 46px;
    letter-spacing: 12px;
    color: var(--song-ink);
    margin: 0 0 18px;
    font-weight: 600;
}
.about-hero-en {
    font-family: var(--song-serif);
    font-size: 13px;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--song-ink-3);
    margin-bottom: 16px;
}
.about-hero-pos {
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--song-ink-3);
}
.about-hero-pos a {
    color: var(--song-ink-3);
}
.about-hero-pos i {
    font-style: normal;
    margin: 0 8px;
}
/* 页头 banner：后台为栏目设置图片时作为背景（保留原主题传图能力），未设置则沿用米白底色 */
.about-hero-pic {
    position: relative;
    padding: 120px 0 92px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}
.about-hero-pic::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: rgba(38, 30, 22, .5);
}
.about-hero-pic > .container {
    position: relative;
    z-index: 1;
}
.about-hero-pic .about-hero-title {
    color: #fff;
}
.about-hero-pic .about-hero-en,
.about-hero-pic .about-hero-pos,
.about-hero-pic .about-hero-pos a {
    color: rgba(255, 255, 255, .78);
}
/* 短朱红横线（居中） */
.ab-line {
    display: block;
    width: 46px;
    height: 2px;
    background: var(--song-red);
    margin: 16px auto 0;
}

/* 一、品牌故事 */
.ab-story {
    background: #fff;
    padding: 100px 0;
}
.ab-story-row {
    display: flex;
    align-items: center;
    gap: 64px;
}
.ab-story-text {
    flex: 1 1 0;
}
.ab-story-title {
    font-family: var(--song-serif);
    font-size: 34px;
    letter-spacing: 5px;
    color: var(--song-ink);
    margin: 0 0 18px;
    font-weight: 600;
}
.ab-story-line {
    display: block;
    width: 46px;
    height: 2px;
    background: var(--song-red);
    margin-bottom: 28px;
}
.ab-story-body {
    color: var(--song-ink-2);
    font-size: 15px;
    line-height: 2.1;
    letter-spacing: .5px;
}
.ab-story-body p {
    margin: 0 0 14px !important;
    background-color: transparent !important;
    color: inherit !important;
    font-family: inherit !important;
    text-indent: 0 !important;
}
.ab-story-pic {
    flex: 0 0 42%;
}
.ab-story-pic img {
    display: block;
    width: 100%;
    height: auto;
    box-shadow: 0 18px 46px rgba(70, 50, 30, .10);
}

/* 二、品牌理念 */
.ab-values {
    background: var(--song-bg);
    padding: 100px 0;
}
.ab-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.ab-value-card {
    background: #fff;
    padding: 48px 30px 44px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(120, 90, 60, .06);
    transition: .35s;
}
.ab-value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(120, 90, 60, .14);
}
.ab-value-num {
    display: block;
    font-family: var(--song-serif);
    font-size: 52px;
    line-height: 1;
    color: var(--song-red);
    opacity: .55;
}
.ab-value-name {
    display: block;
    font-family: var(--song-serif);
    font-size: 18px;
    letter-spacing: 4px;
    color: var(--song-ink);
    margin-top: 18px;
}
.ab-value-desc {
    display: block;
    font-size: 13.5px;
    line-height: 2;
    color: var(--song-ink-3);
    margin-top: 14px;
}

/* 三、匠心工艺 */
.ab-craft {
    background: #fff;
    padding: 100px 0;
}
.ab-craft-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.ab-craft-card {
    background: #fff;
    border: 1px solid var(--song-line);
    padding: 42px 22px 38px;
    text-align: center;
    transition: .35s;
}
.ab-craft-card:hover {
    border-color: var(--song-red);
    box-shadow: 0 12px 30px rgba(120, 90, 60, .10);
}
.ab-craft-ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    margin: 0 auto;
    border: 1px solid var(--song-red);
    border-radius: 50%;
    font-family: var(--song-serif);
    font-size: 26px;
    line-height: 1;
    color: var(--song-red);
}
.ab-craft-name {
    display: block;
    font-family: var(--song-serif);
    font-size: 17px;
    letter-spacing: 3px;
    color: var(--song-ink);
    margin-top: 18px;
}
.ab-craft-desc {
    display: block;
    font-size: 13px;
    line-height: 1.95;
    color: var(--song-ink-3);
    margin-top: 12px;
}
@media (max-width: 991.98px) {
    .about-hero {
        padding: 66px 0 44px;
    }
    .about-hero-pic {
        padding: 84px 0 62px;
    }
    .about-hero-title {
        font-size: 34px;
        letter-spacing: 8px;
    }
    .ab-story {
        padding: 60px 0;
    }
    .ab-story-row {
        flex-direction: column;
        gap: 36px;
    }
    .ab-story-pic {
        flex: 0 0 auto;
        width: 100%;
    }
    .ab-story-title {
        font-size: 26px;
        letter-spacing: 3px;
    }
    .ab-values,
    .ab-craft {
        padding: 60px 0;
    }
    .sec-head {
        margin-bottom: 34px;
    }
    .sec-cn {
        font-size: 26px;
        letter-spacing: 4px;
    }
    .ab-values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .ab-craft-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .ab-craft-card {
        padding: 30px 16px 28px;
    }
}
@media (max-width: 575.98px) {
    .about-hero-title {
        font-size: 28px;
        letter-spacing: 5px;
    }
    .ab-craft-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 服务报价页（全案服务套餐 / 服务流程 / 增值服务） ===== */
.sp-packages {
    background: #fff;
    padding: 100px 0 90px;
}
.sp-process {
    background: var(--song-bg);
    padding: 100px 0;
}
.sp-additional {
    background: #fff;
    padding: 100px 0;
}
.sp-packages .sec-sub {
    max-width: 720px;
    margin: 18px auto 0;
    line-height: 2;
}

/* 套餐卡片 */
.sp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}
.sp-col {
    display: flex;
}
.sp-card {
    position: relative;
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    width: 100%;
    background: #f4efe6;
    border: 1px solid var(--song-line);
    padding: 50px 36px 46px;
    text-align: center;
    transition: transform .35s, box-shadow .35s, border-color .35s;
}
.sp-card:hover {
    transform: translateY(-8px);
    border-color: var(--song-red);
    box-shadow: 0 22px 46px rgba(120, 90, 60, .16);
}
.sp-card-hot {
    background: #3b2b1e;
    border-color: #3b2b1e;
    padding: 52px 36px 62px;
    box-shadow: 0 20px 44px rgba(59, 43, 30, .22);
}
.sp-card-hot:hover {
    border-color: #3b2b1e;
    box-shadow: 0 26px 56px rgba(59, 43, 30, .34);
}
.sp-body {
    margin-bottom: 26px;
}
.sp-badge {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-block;
    padding: 4px 22px;
    background: var(--song-red);
    color: #fff;
    font-size: 12px;
    letter-spacing: 2px;
}
.sp-name {
    font-family: var(--song-serif);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--song-ink);
    margin: 0 0 10px;
}
.sp-card-hot .sp-name {
    color: #f7f1e6;
}
.sp-scope {
    font-size: 13px;
    color: var(--song-ink-3);
    margin: 0 0 26px;
}
.sp-card-hot .sp-scope {
    color: rgba(247, 241, 230, .65);
}
.sp-price {
    font-family: var(--song-serif);
    font-size: 36px;
    line-height: 1;
    letter-spacing: 1px;
    color: var(--song-ink);
}
.sp-card-hot .sp-price {
    color: #f7f1e6;
}
.sp-price .sp-cur {
    font-size: 20px;
    margin-right: 2px;
}
.sp-price em {
    font-size: 15px;
    font-style: normal;
    margin-left: 6px;
    color: var(--song-ink-3);
}
.sp-card-hot .sp-price em {
    color: rgba(247, 241, 230, .6);
}
.sp-note {
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--song-ink-3);
}
.sp-card-hot .sp-note {
    color: rgba(247, 241, 230, .6);
}
.sp-feats {
    list-style: none;
    margin: 28px 0 0;
    padding: 22px 0 0;
    border-top: 1px solid rgba(120, 90, 60, .16);
    text-align: left;
}
.sp-feats li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--song-ink-2);
}
.sp-feats li:last-child {
    margin-bottom: 0;
}
.sp-feats li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--song-red);
    font-size: 13px;
}
.sp-card-hot .sp-feats {
    border-top-color: rgba(247, 241, 230, .18);
}
.sp-card-hot .sp-feats li {
    color: rgba(247, 241, 230, .85);
}
.sp-card-hot .sp-feats li::before {
    color: #d9a08f;
}
.sp-btn {
    display: inline-block;
    align-self: center;
    margin-top: auto;
    padding: 11px 34px;
    border: 1px solid var(--song-ink);
    color: var(--song-ink);
    font-size: 14px;
    letter-spacing: 2px;
    transition: .3s;
}
.sp-btn:hover {
    background: var(--song-ink);
    color: #fff;
    text-decoration: none;
}
.sp-btn-hot {
    border-color: rgba(247, 241, 230, .7);
    color: #f7f1e6;
}
.sp-btn-hot:hover {
    background: #f7f1e6;
    color: #3b2b1e;
}

/* 服务流程 */
.sp-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.sp-steps::before {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    top: 39px;
    height: 1px;
    background: var(--song-line);
    z-index: 0;
}
.sp-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 8px;
}
.sp-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 78px;
    height: 78px;
    margin: 0 auto;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--song-line);
    font-family: var(--song-serif);
    font-size: 26px;
    color: var(--song-ink);
}
.sp-step-name {
    margin: 18px 0 8px;
    font-family: var(--song-serif);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--song-ink);
}
.sp-step-desc {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.9;
    color: var(--song-ink-3);
}

/* 增值服务 */
.sp-add-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.sp-add-card {
    display: flex;
    align-items: center;
    gap: 22px;
    background: #f4efe6;
    border: 1px solid var(--song-line);
    padding: 30px 34px;
    transition: .3s;
}
.sp-add-card:hover {
    border-color: var(--song-red);
    box-shadow: 0 12px 30px rgba(120, 90, 60, .10);
}
.sp-add-ico {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    border: 1px solid var(--song-ink-3);
    border-radius: 50%;
    font-family: var(--song-serif);
    font-size: 24px;
    color: var(--song-ink);
}
.sp-add-name {
    margin: 0 0 6px;
    font-family: var(--song-serif);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--song-ink);
}
.sp-add-desc {
    margin: 0;
    font-size: 13px;
    line-height: 1.9;
    color: var(--song-ink-3);
}
@media (max-width: 991.98px) {
    .sp-packages,
    .sp-process,
    .sp-additional {
        padding: 60px 0;
    }
    .sp-grid {
        grid-template-columns: 1fr;
        gap: 26px;
    }
    .sp-card-hot {
        padding: 46px 34px 44px;
    }
    .sp-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 26px 16px;
    }
    .sp-steps::before {
        display: none;
    }
    .sp-add-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 575.98px) {
    .sp-steps {
        grid-template-columns: 1fr;
    }
    .sp-add-card {
        padding: 24px 22px;
        gap: 16px;
    }
}

/* ============================================================
   列表页（宋式）：产品中心 / 新闻资讯 / 实景案例 / 常见问题
   顶部分类 tab（深棕胶囊激活）+ 米白宣纸底 + 朱红点缀 + 宋体衬线
   ============================================================ */

/* 列表页：米白页头 + 白色内容全宽带，形成明确色阶分层 */
.lt-band {
    background: #fff;
}

/* 列表页内容区上下留白 */
.lt-sec {
    padding-top: 58px;
    padding-bottom: 70px;
}

/* 分类 tab */
.lt-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin: 0 0 44px;
}
.lt-tab {
    display: inline-block;
    padding: 11px 30px;
    background: var(--song-bg-deep);
    border: 1px solid #dcccb4;
    color: var(--song-ink-2);
    font-size: 14px;
    letter-spacing: 2px;
    transition: .3s;
}
.lt-tab:hover {
    border-color: #3b2b1e;
    color: var(--song-ink);
    text-decoration: none;
}
.lt-tab.active {
    background: #3b2b1e;
    border-color: #3b2b1e;
    color: #fff;
}
/* 产品中心：筛选导航独立样式（靠左、紧凑，与类型/颜色筛选框同尺寸） */
.pd-tabs .lt-tabs {
    justify-content: flex-start;
    gap: 12px;
    margin: 0 0 14px;
}
.pd-tabs .lt-tab {
    padding: 8px 20px;
    font-size: 13px;
    letter-spacing: 1px;
}

/* ===== 产品中心：3 列卡片 ===== */
.pd-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.pd-card {
    background: #f4efe6;
    border: 1px solid var(--song-line);
    transition: transform .35s, box-shadow .35s;
}
.pd-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(120, 90, 60, .14);
}
.pd-pic {
    position: relative;
    display: block;
    height: 0;
    padding-bottom: 75%;
    overflow: hidden;
}
.pd-pic img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
}
.pd-card:hover .pd-pic img {
    transform: scale(1.05);
}
.pd-tag {
    position: absolute;
    left: 18px;
    top: 18px;
    z-index: 2;
    padding: 6px 16px;
    background: var(--song-red);
    color: #fff;
    font-size: 13px;
    letter-spacing: 1px;
}
.pd-body {
    padding: 24px 24px 20px;
}
.pd-cate {
    font-family: var(--song-serif);
    color: var(--song-red);
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 10px;
}
.pd-title {
    margin: 0 0 18px;
    font-family: var(--song-serif);
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 1px;
    color: var(--song-ink);
}
.pd-title a {
    color: var(--song-ink);
}
.pd-foot {
    border-top: 1px solid var(--song-line);
    padding-top: 14px;
    text-align: right;
}
.pd-detail {
    font-size: 13px;
    color: var(--song-ink-2);
    letter-spacing: 1px;
}
.pd-detail i {
    display: inline-block;
    margin-left: 5px;
    font-style: normal;
    color: var(--song-red);
    transition: transform .3s;
}
.pd-card:hover .pd-detail i {
    transform: translateX(4px);
}

/* ===== 新闻资讯：特色大卡 + 3 列网格卡 ===== */
.nw-wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.nw-feature {
    display: flex;
    grid-column: 1 / -1;
    background: #f1ece1;
    color: inherit;
    transition: box-shadow .35s;
}
.nw-feature:hover {
    color: inherit;
    text-decoration: none;
    box-shadow: 0 18px 40px rgba(120, 90, 60, .14);
}
.nw-feature-pic {
    flex: 0 0 48%;
    overflow: hidden;
    background: #ece5d8;
}
.nw-feature-pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.nw-feature-body {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    justify-content: center;
    padding: 38px 46px;
}
.nw-feature-date {
    font-family: var(--song-serif);
    color: var(--song-red);
    font-size: 15px;
    letter-spacing: 2px;
    margin-bottom: 20px;
}
.nw-feature-title {
    margin: 0 0 22px;
    font-family: var(--song-serif);
    font-size: 28px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 1px;
    color: var(--song-ink);
}
.nw-feature-desc {
    margin: 0 0 28px;
    color: var(--song-ink-2);
    font-size: 14px;
    line-height: 2;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.nw-feature-btn {
    align-self: flex-start;
    padding: 11px 34px;
    border: 1px solid #3b2b1e;
    color: #3b2b1e;
    font-size: 14px;
    letter-spacing: 2px;
    transition: .3s;
}
.nw-feature:hover .nw-feature-btn {
    background: #3b2b1e;
    color: #fff;
}
.nw-card {
    display: block;
    background: var(--song-bg-deep);
    border: 1px solid #e0d2bc;
    color: inherit;
    transition: transform .35s, box-shadow .35s;
}
.nw-card:hover {
    color: inherit;
    text-decoration: none;
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(120, 90, 60, .14);
}
.nw-card-pic {
    position: relative;
    height: 0;
    padding-bottom: 66%;
    overflow: hidden;
}
.nw-card-pic img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
}
.nw-card:hover .nw-card-pic img {
    transform: scale(1.05);
}
.nw-card-body {
    padding: 22px 24px 26px;
}
.nw-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 13px;
}
.nw-date {
    color: var(--song-ink-3);
}
.nw-cate {
    color: var(--song-red);
}
.nw-title {
    margin: 0 0 12px;
    font-family: var(--song-serif);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: .5px;
    color: var(--song-ink);
}
.nw-desc {
    margin: 0;
    color: var(--song-ink-3);
    font-size: 13.5px;
    line-height: 1.95;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 实景案例：拼贴栅格 + 悬停遮罩 ===== */
.cs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
/* 「全部」7 例：3 行 3 列拼贴（第1例纵跨2行，第4例横跨2列，第3行3例） */
.cs-grid--feature {
    grid-template-rows: 320px 320px 340px;
}
.cs-grid--feature .cs-item:nth-child(1) {
    grid-row: 1 / 3;
    grid-column: 1;
}
.cs-grid--feature .cs-item:nth-child(2) {
    grid-row: 1;
    grid-column: 2;
}
.cs-grid--feature .cs-item:nth-child(3) {
    grid-row: 1;
    grid-column: 3;
}
.cs-grid--feature .cs-item:nth-child(4) {
    grid-row: 2;
    grid-column: 2 / 4;
}
.cs-grid--feature .cs-item:nth-child(5) {
    grid-row: 3;
    grid-column: 1;
}
.cs-grid--feature .cs-item:nth-child(6) {
    grid-row: 3;
    grid-column: 2;
}
.cs-grid--feature .cs-item:nth-child(7) {
    grid-row: 3;
    grid-column: 3;
}
.cs-grid--feature .cs-item img {
    height: 100%;
}
.cs-item {
    position: relative;
    display: block;
    overflow: hidden;
    background: var(--song-bg-deep);
}
.cs-item img {
    display: block;
    width: 100%;
    height: 320px;
    object-fit: cover;
    object-position: center;
    transition: transform .6s;
}
.cs-item:hover img {
    transform: scale(1.05);
}
/* 左上朱红分类角标 */
.cs-tag {
    position: absolute;
    left: 18px;
    top: 18px;
    z-index: 2;
    padding: 7px 18px;
    background: var(--song-red);
    color: #fff;
    font-size: 13.5px;
    letter-spacing: 1px;
    transition: opacity .3s;
}
/* 悬停遮罩：项目名 + 分类标签 */
.cs-ov {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 26px 30px;
    background: linear-gradient(to top, rgba(26, 20, 13, .78) 0%, rgba(26, 20, 13, .3) 48%, rgba(26, 20, 13, 0) 78%);
    opacity: 0;
    transition: opacity .4s;
}
.cs-item:hover .cs-ov {
    opacity: 1;
}
.cs-item:hover .cs-tag {
    opacity: 0;
}
.cs-ov-loc {
    font-size: 13px;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 8px;
}
.cs-ov-name {
    font-family: var(--song-serif);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 4px;
    color: #fff;
    line-height: 1.4;
}
.cs-ov-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}
.cs-ov-tags .cs-tag-extra {
    display: contents;
}
.cs-ov-tags i {
    font-style: normal;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, .6);
    color: #fff;
    font-size: 13px;
    letter-spacing: 2px;
}

/* ===== 常见问题：手风琴 ===== */
.faq-list {
    max-width: 1000px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--song-line);
}
.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 26px 0;
    cursor: pointer;
    list-style: none;
}
.faq-q::-webkit-details-marker {
    display: none;
}
.faq-q-text {
    font-family: var(--song-serif);
    font-size: 18px;
    letter-spacing: 1px;
    color: var(--song-ink);
    transition: color .3s;
}
.faq-item[open] .faq-q-text {
    color: var(--song-red);
}
.faq-btn {
    position: relative;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border: 1px solid var(--song-ink-3);
    border-radius: 50%;
    transition: .3s;
}
.faq-btn::before,
.faq-btn::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    background: var(--song-ink-2);
    transition: .3s;
}
.faq-btn::before {
    width: 12px;
    height: 1.5px;
    transform: translate(-50%, -50%);
}
.faq-btn::after {
    width: 1.5px;
    height: 12px;
    transform: translate(-50%, -50%);
}
.faq-item[open] .faq-btn {
    background: var(--song-red);
    border-color: var(--song-red);
}
.faq-item[open] .faq-btn::before {
    background: #fff;
}
.faq-item[open] .faq-btn::after {
    display: none;
}
.faq-a {
    padding: 0 46px 28px 0;
    color: var(--song-ink-2);
    font-size: 14.5px;
    line-height: 2;
}
.faq-a p {
    margin: 0 0 12px !important;
    color: inherit !important;
    background-color: transparent !important;
}

@media (max-width: 991.98px) {
    .lt-sec {
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .lt-tabs {
        gap: 10px;
        margin-bottom: 30px;
    }
    .lt-tab {
        padding: 9px 20px;
        font-size: 13px;
    }
    .pd-grid,
    .nw-wrap {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .cs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    /* 中小屏取消拼贴合并，退化为等高栅格 */
    .cs-grid--feature {
        grid-template-rows: none;
    }
    .cs-grid--feature .cs-item:nth-child(n) {
        grid-row: auto;
        grid-column: auto;
    }
    .cs-item img,
    .cs-grid--feature .cs-item img {
        height: 300px;
    }
    .nw-feature {
        flex-direction: column;
    }
    .nw-feature-pic {
        flex: 0 0 auto;
        height: 240px;
    }
    .nw-feature-body {
        padding: 26px 24px;
    }
    .nw-feature-title {
        font-size: 22px;
    }
    .faq-q {
        padding: 20px 0;
    }
    .faq-q-text {
        font-size: 16px;
    }
    .faq-a {
        padding: 0 20px 22px 0;
    }
}
@media (max-width: 575.98px) {
    .pd-grid,
    .nw-wrap {
        grid-template-columns: 1fr;
    }
    .cs-grid {
        grid-template-columns: 1fr;
    }
    .cs-item img,
    .cs-grid--feature .cs-item img {
        height: 260px;
    }
}

/* ============================================================
   产品列表页：类型 / 颜色筛选导航 + 搜索框（恢复原筛选功能，宋式样式、靠左排列）
   ============================================================ */
.lt-filter {
    margin: 0 0 34px;
    text-align: left;
}
.lt-frow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    padding: 12px 0;
    border-top: 1px dashed var(--song-line);
}
.lt-filter .lt-frow:last-of-type {
    border-bottom: 1px dashed var(--song-line);
}
.lt-flabel {
    flex: 0 0 auto;
    min-width: 56px;
    color: var(--song-ink-3);
    font-size: 13px;
    letter-spacing: 3px;
}
.lt-fopts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.lt-fbtn {
    display: inline-block;
    padding: 8px 20px;
    background: var(--song-bg-deep);
    border: 1px solid #dcccb4;
    color: var(--song-ink-2);
    font-size: 13px;
    letter-spacing: 1px;
    transition: .3s;
}
.lt-fbtn:hover {
    border-color: #3b2b1e;
    color: var(--song-ink);
    text-decoration: none;
}
.lt-fbtn.on {
    background: #3b2b1e;
    border-color: #3b2b1e;
    color: #fff;
}
/* 搜索框：置于筛选区最上方，靠左，尺寸与筛选框一致 */
.lt-search {
    display: flex;
    align-items: stretch;
    max-width: 360px;
    margin: 0 0 20px;
    border: 1px solid #dcccb4;
    background: var(--song-bg-deep);
}
.lt-search-input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    outline: none;
    background: transparent;
    padding: 8px 14px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--song-ink);
}
.lt-search-input::placeholder {
    color: var(--song-ink-3);
}
.lt-search-btn {
    flex: 0 0 auto;
    border: 0;
    background: #3b2b1e;
    color: #fff;
    padding: 0 20px;
    font-size: 13px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: .3s;
}
.lt-search-btn:hover {
    background: var(--song-red);
}
.lt-search-btn i {
    margin-right: 6px;
}

/* ============================================================
   详情页分类导航等 Bootstrap 按钮统一为宋式（替换默认青蓝）
   ============================================================ */
.sonsort .btn,
.pages .btn-info,
.pages .btn-light {
    border-radius: 0;
}
.sonsort .btn-info,
.pages .btn-info {
    background: #3b2b1e;
    border-color: #3b2b1e;
    color: #fff;
}
.sonsort .btn-light,
.pages .btn-light {
    background: var(--song-bg-deep);
    border-color: #dcccb4;
    color: var(--song-ink-2);
}
.sonsort .btn-info:hover,
.sonsort .btn-light:hover,
.pages .btn-info:hover,
.pages .btn-light:hover {
    border-color: #3b2b1e;
    color: var(--song-ink);
    background: var(--song-bg-deep);
}
.sonsort .btn-info:hover {
    color: #fff;
    background: #3b2b1e;
}
.sonsort .btn {
    padding: 9px 20px;
    font-size: 14px;
    letter-spacing: 1px;
}
.sonsort .badge {
    background: transparent !important;
    color: inherit !important;
    font-weight: 400;
    padding: 0 0 0 6px;
}

/* ============================================================
   产品详情页：宋式统一排版，去除白色边角
   ============================================================ */
.pd-detail .pd-view {
    position: relative;
    max-width: 100%;
    background: var(--song-bg-deep);
    border: 1px solid var(--song-line);
    padding: 16px;
}
.pd-detail .view .swiper-slide {
    height: 380px;
    max-width: 100%;
    padding: 0;
    background: transparent;
    text-align: center;
}
.pd-detail .view .swiper-slide img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    cursor: zoom-in;
}
/* 主图两侧箭头（窄屏显示）：深棕底 + 白色箭头，替换默认图标底 */
.pd-detail .view .arrow-left,
.pd-detail .view .arrow-right {
    width: 26px;
    height: 100%;
    background: rgba(59, 43, 30, .72);
    background-image: none;
}
.pd-detail .view .arrow-left {
    left: 0;
}
.pd-detail .view .arrow-right {
    right: 0;
}
.pd-detail .view .arrow-left::after,
.pd-detail .view .arrow-right::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 9px;
    border-top: 1.5px solid #fff;
    border-right: 1.5px solid #fff;
}
.pd-detail .view .arrow-left::after {
    transform: translate(-30%, -50%) rotate(-135deg);
}
.pd-detail .view .arrow-right::after {
    transform: translate(-70%, -50%) rotate(45deg);
}
/* 缩略图条：宋式边框，去掉原来的白色箭头块 */
.pd-detail .preview {
    position: relative;
    width: 100% !important;
    left: 0 !important;
    padding: 0 26px;
}
.pd-detail .preview .swiper-slide {
    width: 84px;
    height: 68px;
    margin: 0 3px;
    background: var(--song-bg-deep);
    border: 1px solid var(--song-line);
    cursor: pointer;
}
.pd-detail .preview .swiper-slide img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}
.pd-detail .preview .active-nav {
    border-color: var(--song-red);
}
.pd-detail .preview .arrow-left,
.pd-detail .preview .arrow-right {
    width: 22px;
    height: 68px;
    top: 0;
    background: #3b2b1e;
    background-image: none;
    z-index: 10;
}
.pd-detail .preview .arrow-left {
    left: 0;
}
.pd-detail .preview .arrow-right {
    right: 0;
}
.pd-detail .preview .arrow-left::after,
.pd-detail .preview .arrow-right::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-top: 1.5px solid #fff;
    border-right: 1.5px solid #fff;
}
.pd-detail .preview .arrow-left::after {
    transform: translate(-30%, -50%) rotate(-135deg);
}
.pd-detail .preview .arrow-right::after {
    transform: translate(-70%, -50%) rotate(45deg);
}
/* 商品信息：统一为宋式信息列表 */
.pd-detail .pd-name {
    font-size: 30px;
    letter-spacing: 3px;
    color: var(--song-ink);
    padding-bottom: 16px;
    margin: 0 0 8px;
    border-bottom: 1px solid var(--song-line);
}
.pd-meta {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
}
.pd-meta li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 11px 0;
    border-bottom: 1px dashed var(--song-line);
}
.pd-meta-k {
    flex: 0 0 88px;
    color: var(--song-ink-3);
    font-size: 13px;
    letter-spacing: 2px;
}
.pd-meta-v {
    color: var(--song-ink);
    font-size: 15px;
    letter-spacing: .5px;
}
.pd-meta-price {
    color: var(--song-red);
    font-weight: 600;
    font-size: 18px;
}
.pd-consult {
    margin-top: 24px;
}
.pd-consult .btn-danger {
    padding: 11px 34px;
    letter-spacing: 2px;
    border-radius: 0;
}
.pd-detail .pd-h5 {
    border-bottom: 1px solid var(--song-line) !important;
    color: var(--song-ink);
    margin-top: 28px;
}
.pd-detail .pd-content {
    padding-bottom: 6px;
}
.pd-detail .pd-content img {
    cursor: zoom-in;
}
.pd-detail .pd-pn {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--song-line);
}
.pd-detail .pd-pn p {
    margin-bottom: 6px;
    font-size: 14px;
}

/* ============================================================
   图片灯箱：点击图片在页面上方放大查看
   ============================================================ */
.pd-lightbox {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1080;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 5vh 4vw;
    background: rgba(24, 19, 14, .86);
}
.pd-lightbox.open {
    display: flex;
}
.pdlb-img {
    max-width: 100%;
    max-height: 88vh;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
    cursor: default;
}
.pdlb-close {
    position: absolute;
    top: 16px;
    right: 28px;
    color: #fff;
    font-size: 40px;
    line-height: 1;
    cursor: pointer;
    opacity: .8;
    transition: .3s;
}
.pdlb-close:hover {
    opacity: 1;
}

@media (max-width: 991.98px) {
    .pd-detail .view .swiper-slide {
        height: 320px;
    }
}
@media (max-width: 767.98px) {
    .pd-detail .view .swiper-slide {
        height: 250px;
    }
    .pd-detail .pd-view {
        padding: 10px;
    }
    .lt-frow {
        gap: 8px 10px;
    }
    .lt-flabel {
        min-width: 42px;
        letter-spacing: 1px;
    }
    .lt-fbtn {
        padding: 7px 14px;
        font-size: 12px;
    }
    .lt-search {
        max-width: 100%;
    }
    .pd-detail .pd-name {
        font-size: 22px;
    }
}