/* ===================================================
   PASSENGER ELEVATOR STYLESHEET (passenger.css)
   =================================================== */

/* Reset & Basics */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #333;
  background-color: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 1. 100vh Hero Banner */
.hero-banner {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-color: #f0f0f0;
}

.banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Main Container */
.passenger-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 30px 100px 30px;
}

/* ===================================================
   SECTION 1 & SECTION 2: PRODUCT SECTIONS
   =================================================== */
/* ==============================================
   SECTION 1 精准对齐与布局样式
   ============================================== */

.product-section {
  margin-bottom: 100px;
}

/* 2. 上容器加大高度与纵向呼吸感，采用 stretch 自动拉伸左右两栏等高 */
.section-top {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 80px;
  margin-bottom: 50px;
  min-height: 460px;
}

/* 1. 左容器：垂直两端分布 (space-between) */
.top-left {
  flex: 0 0 42%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 6px;
}

.product-title {
  font-size: 2.6rem;
  font-weight: 300;
  color: #2b2b2b;
  line-height: 1.22;
  letter-spacing: -0.5px;
}

/* SE500 超大极细渐变字 */
.gradient-model {
  font-size: 6.8rem;
  font-weight: 200;
  line-height: 0.95;
  letter-spacing: -1px;
  background: linear-gradient(90deg, #c81e3a 0%, #701c6e 45%, #1c2b85 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 右容器 */
.top-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

/* 顶部短渐变色条 */
.top-gradient-bar {
  position: relative;
  width: 100%;
  height: 1px;
  background-color: #eaedf1;
  margin-bottom: 28px;
}

.top-gradient-bar::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1.5px;
  width: 110px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, #c81e3a 0%, #5b1a7d 50%, #1b2685 100%);
}

/* 3. 描述文本 */
.product-desc {
  font-size: 0.88rem;
  color: #555555;
  line-height: 1.68;
  margin-bottom: 24px;
  text-align: justify;
}

/* 4. 特性列表及分割线 */
.feature-list {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 16px 0;
  border-top: 1px solid #eaedf1; /* 图标区域之间的细分割线 */
}

.feature-icon {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.static-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.feature-text {
  font-size: 0.88rem;
  color: #3f3f3f;
  line-height: 1.45;
}

.feature-text p {
  margin: 0;
}

/* 下容器：展示大图 */
.section-bottom {
  width: 100%;
}

.showcase-card {
  width: 100%;
  border-radius: 45px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  background-color: #0b0e1e;
}

.showcase-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* 移动端与平板自适应 */
@media (max-width: 1024px) {
  .section-top {
    flex-direction: column;
    min-height: auto;
    gap: 40px;
  }

  .top-left {
    flex: auto;
    width: 100%;
    gap: 24px;
  }

  .gradient-model {
    font-size: 5rem;
  }
}

/* ==============================================
   SECTION 3: 参数图表区域样式
   ============================================== */

.section-parameters {
  margin-top: 40px;
  padding-bottom: 60px;
}

.param-block {
  width: 100%;
}

/* 两个大标题 */
.param-heading {
  font-size: 2.3rem;
  font-weight: 300;
  color: #2b2b2b;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 40px;
}

/* 左右分栏布局 */
.param-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 50px;
}

/* 左侧单个 CAD 图容器 */
.param-left-col {
  flex: 0 0 44%;
  display: flex;
  justify-content: center;
}

.cad-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* 右侧垂直排列的 2 个表格图容器 */
.param-right-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.table-img-wrap {
  width: 100%;
}

.table-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* 中间分割线 (左侧带渐变色标) */
.param-divider {
  position: relative;
  width: 100%;
  height: 1px;
  background-color: #ededed;
  margin: 70px 0 60px 0;
}

.param-divider::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1.5px;
  width: 110px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, #c81e3a 0%, #1c2b85 100%);
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .param-grid {
    flex-direction: column;
    gap: 30px;
  }

  .param-left-col {
    flex: auto;
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
  }

  .param-heading {
    font-size: 1.8rem;
    margin-bottom: 24px;
  }

  .param-divider {
    margin: 50px 0 40px 0;
  }
}