.common-section {
    padding: 0 20px 24px;
}

/* 毕业论文面临问题 - 粉红卡片轮播，参考 audience-carousel */
.dissertation-problem-carousel-wrap {
    position: relative;
    margin-top: 12px;
}
.dissertation-problem-carousel {
    position: relative;
    overflow: visible;
    padding-bottom: 108px;
    padding-top: 12px;
}
.dissertation-problem-carousel .swiper-wrapper {
    position: relative;
}
.dissertation-problem-carousel .swiper-slide {
    position: absolute;
    top: 0;
    left: 50%;
    width: 80%;
    padding: 0;
    transform: translateX(-50%) scale(0.94);
    opacity: 0;
    z-index: 1;
    transition: transform 0.35s ease, opacity 0.35s ease, filter 0.35s ease;
}
.dissertation-problem-card {
    padding: 20px 24px;
    background: linear-gradient(180deg, #FF4D9D 0%, #FA8EBF 100%);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-family: MiSans, sans-serif;
    box-sizing: border-box;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
}
.dissertation-problem-title {
    margin-bottom: 6px;
    font-family: MiSans;
    font-size: 16px;
    font-weight: 600;
    line-height: normal;
    text-align: left;
    display: flex;
    align-items: center;
    letter-spacing: 0em;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #FFFFFF;
    margin: 0 auto 6px;
}
.dissertation-problem-desc {
    font-family: MiSans;
    font-size: 11px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #FFFFFF;
    text-align: left;
}
.dissertation-problem-desc--split {
    display: flex;
    justify-content: space-between;
    gap: 6px;
}
.dissertation-problem-desc-left,
.dissertation-problem-desc-right {
    flex: 1;
}
.dissertation-problem-desc-right {
    text-align: right;
}
.dissertation-problem-pagination {
    bottom: 0;
}
.dissertation-problem-pagination .swiper-pagination-bullet {
    background: rgba(255, 158, 181, 0.5);
    opacity: 1;
}
.dissertation-problem-pagination .swiper-pagination-bullet-active {
    background: #E85A7A;
    width: 16px;
    border-radius: 4px;
}

/* 顶部问题卡片：自定义三张叠放效果 */
.dissertation-problem-carousel .swiper-slide.is-active {
    opacity: 1;
    transform: translate(-50%, -6px) scale(1);
    z-index: 3;
}
.dissertation-problem-carousel .swiper-slide.is-prev {
    opacity: 0.7;
    transform: translateX(-70%) scale(0.9);
    z-index: 2;
    filter: blur(0.5px);
}
.dissertation-problem-carousel .swiper-slide.is-next {
    opacity: 0.7;
    transform: translateX(-30%) scale(0.9);
    z-index: 2;
    filter: blur(0.5px);
}
.dissertation-problem-carousel .swiper-slide.is-hidden {
    opacity: 0;
    pointer-events: none;
}

/* 独家产品优势 - 2x3 宫格，白底粉边卡片 */
.dissertation-advantage-grid {
    
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
/* 产品服务流程 - 轮播，每页一个阶段 */
.dissertation-process-wrap {
    margin-top: 12px;
}
.dissertation-process-swiper {
    overflow: hidden;
    padding-bottom: 36px;
}
.dissertation-process-swiper .swiper-slide {
    height: auto;
    display: flex;
}
.dissertation-process-swiper .swiper-wrapper {
    align-items: stretch;
}
.dissertation-process-stage {
    position: relative;
    width: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 88px 2px 16px;
    overflow: visible;
}
.dissertation-process-stage-grid {
    /* flex: 1; */
    min-height: 0;
}
.dissertation-process-stage-header {
    position: absolute;
    top: 16px;
    left: -2px;
    padding: 10px 20px 10px 16px;
    background: #FF69B4;
    color: #FFFFFF;
    font-family: MiSans, sans-serif;
    font-size: 15px;
    font-weight: 600;
    border-radius: 0px 0 12px 0px;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%, 0 0);
}
.dissertation-process-stage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.dissertation-process-card {
    position: relative;
    padding: 16px 0px;
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    font-family: MiSans, sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #3D3D3D;
    text-align: center;
    font-weight: bold;
    overflow: hidden;
}
.dissertation-process-card::before {
    content: attr(data-num);
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 48px;
    font-weight: 700;
    color: rgba(255, 105, 180, 0.15);
    line-height: 1;
    z-index: 0;
    opacity: 0.05;
    font-weight: bold;
    font-family: YouSheBiaoTiHei;
    font-size: 40px;
    line-height: normal;
    text-align: center;
    display: flex;
    align-items: center;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    color: #FF4D9D;
}
.dissertation-process-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 72px;
    box-sizing: border-box;
}
.dissertation-process-card span {
    position: relative;
    z-index: 1;
}
/* .dissertation-process-stage-grid--3item .dissertation-process-card--center {
    grid-column: 1 / -1;
    justify-self: start;
} */
.dissertation-process-pagination {
    bottom: -20px !important;
}
.dissertation-process-pagination .swiper-pagination-bullet {
    background: rgba(255, 77, 157, 0.4);
    opacity: 1;
}
.dissertation-process-pagination .swiper-pagination-bullet-active {
    background: #FF4D9D;
    width: 16px;
    border-radius: 4px;
}

.dissertation-advantage-card {
    border: 1px solid #FF69B4;
    border-radius: 12px;
    height: 75px;
    opacity: 1;
    background: #FFFFFF;
    box-sizing: border-box;
    border: 1px solid #FF4D9D;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
    font-family: MiSans;
    font-size: 12px;
    font-weight: bold;
    line-height: normal;
    text-align: center;
    display: flex;
    align-items: center;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 6px;
}

/* 产品售后保障 - 上方盒子(左首课保障+右过程/保PASS)，下方限制与说明 */
.dissertation-guarantee-wrap {
    margin-top: 12px;
}
.dissertation-guarantee-box {
    border-radius: 12px;
    background: #FFF;
}
.dissertation-guarantee-grid {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 12px;
}
.dissertation-guarantee-card-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.dissertation-guarantee-card {
    background: #FFFFFF;
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    padding: 8px 16px;
    box-sizing: border-box;
    text-align: left;
}
.dissertation-guarantee-card--primary {
    grid-row: 1 / -1;
    background: #FF3C96;
    color: #FFFFFF;
    text-align: center;
    position: relative;
    min-height: 160px;
}
.dissertation-guarantee-card--primary .dissertation-guarantee-card-title {
    font-family: MiSans;
    font-size: 16px;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #FFFFFF;
    margin-top: 38px;
}
.dissertation-guarantee-card--primary .dissertation-guarantee-card-desc {
    font-family: MiSans;
    font-size: 10px;
    font-weight: normal;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #FFFFFF;
    margin-top: 27px;
}
.dissertation-guarantee-card-icon {
    position: absolute;
    bottom: 0px;
    right: 0px;
    width: 68px;
}
.dissertation-guarantee-card-heading {
    font-family: MiSans, sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #333;
    margin: 0 0 10px;
}
.dissertation-guarantee-card-list,
.dissertation-guarantee-notice-list {
    list-style: none;
    padding: 0;
    margin: 0 0 8px;
}
.dissertation-guarantee-card-list li,
.dissertation-guarantee-notice-list li {
    position: relative;
    /* margin-bottom: 6px; */
    font-size: 9px;
    line-height: 1.5;
    color: #444;
    text-align: left;
}
.dissertation-guarantee-notice-list-item {
    position: relative;
    padding-left: 6px;
}
.dissertation-guarantee-notice-list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 2px;
    height: 2px;
    background: #333;
    border-radius: 50%;
}
.dissertation-guarantee-card-text {
    font-size: 10px;
    line-height: 1.5;
    color: #444;
    margin: 0;
}
.dissertation-guarantee-notice {
    padding: 0;
    display: flex;
}
.dissertation-guarantee-notice-title {
    flex:0 0 auto;
    margin-right: 12px;
    font-family: MiSans;
    font-size: 10px;
    font-weight: 500;
    line-height: 12px;
    letter-spacing: 0em;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
}
.dissertation-guarantee-disclaimer {
    font-family: MiSans;
    font-size: 9px;
    font-weight: 300;
    line-height: normal;
    display: flex;
    align-items: center;
    letter-spacing: 0em;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    text-align: left;
    position: relative;
    padding-left: 6px;
}
.dissertation-guarantee-disclaimer::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 2px;
    height: 2px;
    background: #3D3D3D;
    border-radius: 50%;
}
 
.bottom-section{
    margin-top: -86px;
    padding: 68px 24px 20px !important;
    background: #fceef3 !important;
}