.w {
  width: var(--w1440);
  margin: 0 auto;
}

.hero {
  width: 100%;
  height: 860px;
  background: url(../image/index/hero-bg.jpg) no-repeat;
  background-size: contain;
  position: relative;
  background-color: #f4f8ff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__slide {
  display: flex;
  justify-content: center;
  align-items: center;
  display: flex;
  flex-direction: column;
  position: relative;
  top: 0;
  left: 0;
  transform: translate(-75%, -100%);
  gap: 12px;
}
.hero__slide h2,
.hero__slide p {
  width: 100%;
  font-family: "Alibaba PuHuiTi", sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: #0866ff;
  text-align: left;
}
.hero__slide > .sub_title {
  font-weight: normal;
  font-size: 24px;
}
.btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}
.hero__btn {
  width: 181.5px;
  height: 45.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  border-radius: var(--border-radius);
  text-decoration: none;
  cursor: pointer;
}

.hero__btn--primary {
  background: var(--primary-color);
  color: #fff;
}

.hero__btn--secondary {
  background: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.hero__spacer {
  width: 100%;
  background: url("../image/index/stats-bg.png") no-repeat center;
  background-size: cover;
  height: 240px;
  position: absolute;
  left: 0;
  bottom: 0;
}

.stats {
  z-index: 1;
  width: var(--w1440);
  height: 360px;
  border-radius: 10px;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  bottom: 36px;
}

.stats__container {
  width: 1200px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
}

.stats__item {
  width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stats__icon {
  width: 90px;
  height: 90px;
  margin-bottom: 16px;
}

.stats__number {
  font-family: "Alibaba PuHuiTi", sans-serif;
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--text-dark);
}

.stats__highlight {
  color: var(--primary-color);
}

.stats__desc {
  font-family: "Alibaba PuHuiTi", sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-gray);
  line-height: 1.4;
}

/* 第三个 stats__desc 有 opacity:0，保留特殊处理 */
.stats__item:nth-child(3) .stats__desc:last-of-type {
  opacity: 0;
}

/* ======================
   Features (原 功能优势)
====================== */
.features {
  background-color: var(--bg-light);
  padding: 80px 0 66px;
}

.features__container {
  max-width: var(--w1440);
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.features__title {
  text-align: center;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: 4px;
  margin-bottom: 140px;
}

.features__content {
  display: flex;
  align-items: center;
}

.features__list {
  width: 480px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.feature-card {
  width: 480px;
  height: 120px;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  display: flex;
  align-items: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}

.feature-card--active,
.feature-card:hover {
  border: 1px solid var(--primary-color);
}

.feature-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 20px;
}

.feature-card__text {
  flex: 1;
}

.feature-card__label {
  font-size: 16px;
  color: var(--text-gray);
}

.feature-card__desc {
  font-size: 20px;
  color: var(--text-dark);
  margin-top: 16px;
}

.features__preview {
  flex: 1;
  padding-left: 132px;
}

.features__image {
  width: 100%;
  height: 568px;
  object-fit: cover;
}

.services {
  background: url("../image/index/services-bg.png") no-repeat center;
  background-size: cover;
  height: 600px;
  padding-top: 80px;
  box-sizing: border-box;
}

.services__container {
  max-width: var(--w1440);
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.services__title {
  width: 100%;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: 4px;
  text-align: center;
  color: #fff;
  margin-bottom: 89px;
}

.services__grid {
  display: flex;
  justify-content: space-between;
}

.service-item {
  width: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.service-item__icon {
  width: 96px;
  height: 96px;
}

.service-item__name {
  font-size: 20px;
  color: #fff;
  margin-top: 50px;
}
.service-item__partition{
    width: 40px;
    height: 12px;
    margin: 20px 0;
}
.service-item__desc {
  font-size: 14px;
  line-height: 21px;
  color: #fff;
}

/* ======================
   Testimonials (原 客户评价)
====================== */
.testimonials {
  padding: 80px 0;
}

.testimonials__container {
  max-width: var(--w1440);
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.testimonials__title {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: 4px;
  text-align: center;
  margin-bottom: 40px;
}

.testimonials__list {
  display: flex;
  justify-content: space-between;
}

.testimonial-card {
  width: 280px;
  height: 266px;
  border-radius: 20px;
  border: 1px solid #3333331a;
  box-sizing: border-box;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.testimonial-card:nth-of-type(1){
    margin-top: 120px;
}
.testimonial-card:nth-of-type(2){
    margin-top: 20px;
}
.testimonial-card:nth-of-type(3){
    margin-top: 100px;
}
.testimonial-card__quote {
  font-size: 14px;
  font-weight: 500;
  line-height: 28px;
  color: var(--text-dark);
  flex: 1;
  display: flex;
  align-items: center;
  padding: 12px;
}

.testimonial-card__author {
  padding: 12px 0 8px;
  width: 80%;
  display: flex;
  align-items: center;
  gap: 15px;
  border-top: 1px solid #3333331a;
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.testimonial-card__info > div:first-child {
  font-size: 14px;
  color: var(--text-dark);
}

.testimonial-card__info > div:last-child {
  font-size: 12px;
  color: var(--text-gray);
  margin-top: 2px;
}

.testimonial-card__rating {
  position: absolute;
  top: -33px;
  left: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  justify-content: center;
  align-items: center;
}
.testimonial-card__rating img{
    width: 28px;
    height: 20px;
}
/* ======================
   CTA (原 下载区域)
====================== */
.cta {
  width: 100%;
  height: 300px;
  background-color: var(--bg-blue);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cta__title {
  font-size: 48px;
  font-weight: 500;
  color: #fff;
  text-align: center;
  margin-bottom: 40px;
}

.cta__button {
  width: 143px;
  height: 56px;
  border: 2px solid #fff;
  border-radius: var(--border-radius);
  font-size: 20px;
  line-height: 56px;
  text-align: center;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}