:root {
    --dark-black: rgb(68, 84, 106);
    --matte-gold: #B89C68;
    --bg-beige-body: #F8F7F5;
    --gold-main: #B89C68;
    --gold-bright: #C8A458;
    --warm-cream: #f8f8f6;
    --warm-light: #efe9e0;
    --line-warm: #e0d8cd;
    --shadow-warm: 0 2px 10px rgba(184,156,104,0.07);
    --shadow-hover: 0 8px 24px rgba(184,156,104,0.15);
    --transition-smooth: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 动画基类 */
.ct-animate-item {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}
.ct-animate-item.active {
    opacity: 1;
    transform: translateY(0);
}

/* 容器基础 */
.ct-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 面包屑 */
.ct-breadcrumb {
    margin-top: 80px;
    padding: 40px 60px;
    font-size: 15px;
    max-width: 100%;
    background-color: var(--bg-beige-body);
    text-align: left;
}
.ct-breadcrumb a {
    color: var(--dark-black);
    text-decoration: none;
    transition: var(--transition-smooth);
}
.ct-breadcrumb a:hover {
    color: var(--gold-main);
}
.ct-breadcrumb-split {
    margin: 0 8px;
    color: var(--dark-black);
}
.ct-breadcrumb-current {
    color: var(--dark-black);
}

/* Banner区块 */
.ct-case-banner {
    padding: 30px 0;
    background: var(--warm-cream);
    text-align: center;
}
.ct-case-title {
    font-size: 24px;
    margin: 10px 0 13px;
    color: var(--dark-black);
    font-weight: 600;
    letter-spacing: 0.3px;
}
.ct-case-tag {
    font-size: 15px;
    color: var(--matte-gold);
    letter-spacing: 1.2px;
}
.ct-case-banner .ct-img-box {
    margin-top: 40px;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

/* 图片通用类 */
.ct-img-box {
    overflow: hidden;
}
.ct-img-box img {
    border-radius: 8px;
    box-shadow: var(--shadow-warm);
    transition: var(--transition-smooth);
    width: 100%;
    display: block;
    object-fit: cover;
}
.ct-img-box img:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
}
.ct-case-banner .ct-img-box img:hover {
    transform: scale(1.04);
}
.ct-img-desc {
    margin: 12px 0 32px;
    font-size: 14px;
    color: var(--dark-black);
    text-align: center;
}

/* 内容区块 */
.ct-case-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--line-warm);
    background-color: #fff;
}
.ct-case-section:last-of-type {
    border-bottom: none;
}
.ct-section-title {
    font-size: 22px;
    padding-left: 18px;
    margin-bottom: 18px;
    position: relative;
    color: var(--dark-black);
    font-weight: 600;
    letter-spacing: 0.3px;
}
.ct-section-title::before {
    content: "";
    width: 4px;
    height: 22px;
    background: var(--matte-gold);
    border-radius: 99px;
    position: absolute;
    left: 0;
    top: 7px;
}
.ct-section-desc {
    font-size: 14px;
    margin-bottom: 24px;
    color: var(--dark-black);
    line-height: 1.8;
}
.ct-section-desc.text-center {
    text-align: center;
    font-weight: 500;
    margin-top: 20px;
}
.ct-sub-h3 {
    font-size: 18px;
    margin: 20px 0 10px;
    color: var(--dark-black);
    font-weight: 600;
}
.ct-sub-h3.mt-30 {
    margin-top: 30px;
}

/* 布局类 */
.ct-row-flex {
    display: flex;
    gap: 42px;
    align-items: center;
}
.ct-row-flex.reverse {
    flex-direction: row-reverse;
}
.ct-text-wrap p {
    margin-bottom: 16px;
    color: var(--dark-black);
}
.ct-grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}
.ct-grid-four {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

/* 卡片组件 */
.ct-info-card-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.ct-info-card {
    padding: 24px;
    background: var(--warm-light);
    border-radius: 10px;
    transition: var(--transition-smooth);
}
.ct-info-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    background: var(--bg-beige-body);
}
.ct-solid-card {
    padding: 26px;
    border: 1px solid var(--line-warm);
    border-radius: 10px;
    transition: var(--transition-smooth);
}
.ct-solid-card:hover {
    transform: translateY(-6px);
    border-color: var(--matte-gold);
    box-shadow: var(--shadow-hover);
}
.ct-value-card {
    padding: 28px 24px;
    background: var(--dark-black);
    border-radius: 10px;
    transition: var(--transition-smooth);
}
.ct-value-card:hover {
    transform: translateY(-6px);
    color: var(--dark-black);
}
.ct-value-card .ct-card-heading {
    color: var(--matte-gold);
}
.ct-value-card .ct-card-text {
    color: rgb(255,255,255,0.9);
}

/* 卡片内文字 */
.ct-card-heading {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--dark-black);
    font-weight: 600;
}
.ct-card-text {
    font-size: 14px;
    line-height: 1.75;
    color: var(--dark-black);
}

/* 响应式适配 */
@media (max-width:1260px){
    .ct-container {width:100%}
    .ct-case-banner .ct-img-box {
        width: 100%;
        margin-left: 0;
    }
}
@media (max-width:992px){
    .ct-breadcrumb {
        padding: 30px 24px;
    }
    .ct-row-flex {flex-direction:column !important}
    .ct-info-card-list, .ct-grid-four {grid-template-columns:1fr 1fr}
    .ct-grid-two {grid-template-columns:1fr}
    .ct-section-title {font-size:20px}
}
@media (max-width:640px){
    .ct-info-card-list, .ct-grid-four {grid-template-columns:1fr}
    .ct-case-banner {padding:60px 0 0;}
    .ct-case-section {padding:52px 0;}
    .ct-case-title {font-size:20px;}
    .ct-img-desc {
        margin-bottom:24px;
    }
}