/* ============================================================
   解决方案-行业解决-落地页 (page-solutions-detail) — 设计稿 447:1643
   视频banner + 定位标签 + 市场背景 + 挑战 + 赋能 + 场景 + 硬件 + 咨询表单
   ============================================================ */

/* ---------- 顶部导航: 透明底白字 (同 行业列表页, 设计稿顶部-无底子) ---------- */
body.page-solutions-detail .site-header { background: transparent; }
body.page-solutions-detail .site-header .navbar > li > a { color: #fff; }
body.page-solutions-detail .site-header .navbar > li.active > a { color: #2168E5; }
body.page-solutions-detail .site-header .navbar > li > a:hover { color: rgba(255, 255, 255, .75); }
body.page-solutions-detail .site-header .vr-pill { border-color: rgba(255, 255, 255, .6); color: #fff; }
body.page-solutions-detail .site-header:not(.is-scrolled):not(.dd-open) .icon-btn img { filter: brightness(0) invert(1); }
body.page-solutions-detail .site-header:not(.is-scrolled):not(.dd-open) .nav-toggle span { background: #fff; }
body.page-solutions-detail .site-header.is-scrolled,
body.page-solutions-detail .site-header.dd-open { background: #fff; box-shadow: inset 0 -1px 0 0 #EBEBEB; }
body.page-solutions-detail .site-header.is-scrolled .navbar > li > a,
body.page-solutions-detail .site-header.dd-open .navbar > li > a { color: #2E3033; }
body.page-solutions-detail .site-header.is-scrolled .navbar > li.active > a,
body.page-solutions-detail .site-header.dd-open .navbar > li.active > a { color: #2168E5; }
body.page-solutions-detail .site-header.is-scrolled .navbar > li > a:hover,
body.page-solutions-detail .site-header.dd-open .navbar > li > a:hover { color: #2168E5; }

/* ============================================================
   区块1: banner (1920×720, 左文右图 + 横向渐变遮罩)
   ============================================================ */
.sd-banner {
  position: relative;
  height: 720px;
  overflow: hidden;
  background: #575757;
}
.sd-banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sd-banner-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(26, 23, 21, .85) 0%,
    rgba(43, 32, 27, .57) 43%,
    rgba(118, 66, 43, 0) 100%);
}
.sd-banner-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sd-banner-title {
  font-size: 56px;
  font-weight: 749;
  line-height: 72px;
  color: #fff;
}
.sd-banner-sub {
  margin-top: 20px;
  max-width: 731px;
  font-size: 22px;
  font-weight: 513;
  line-height: 40px;
  color: rgba(255, 255, 255, .8);
}

/* ============================================================
   区块2: 定位标签 (80px 深色条 + 左侧渐变文案 + 右侧锚点 tab)
   ============================================================ */
.sd-nav {
  position: sticky;
  top: 64px;                       /* 吸顶在 64px 头部下方 (同 detail 产品咨询 subnav) */
  z-index: 40;
  background: #152238;
  transition: top .3s var(--ease);
}
.sd-nav.is-stuck {
  box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
}
/* 移动端展开/收起箭头 (PC 隐藏, 同硬件产品页 pl-cats) */
.sd-nav-arrow {
  display: none;
}
/* 锚点跳转偏移: 顶部导航 64 + 吸顶定位标签 80 = 144px, 区块顶不被遮挡 (同 pl-cat) */
#sdIntro, #sdHardware, #sdConsult {
  scroll-margin-top: 144px;
}
.sd-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.sd-nav-tag {
  font-size: 24px;
  font-weight: 749;
  line-height: 40px;
  background: linear-gradient(90deg, #FFFFFF 0%, #D6E7FF 50%, #A1C8FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sd-nav-tabs { display: flex; gap: 64px; }
.sd-nav-tab {
  position: relative;
  padding: 2px 0 6px;
  font-size: 16px;
  font-weight: 513;
  line-height: 28px;
  color: rgba(255, 255, 255, .75);
  transition: color .3s var(--ease);
}
.sd-nav-tab:hover { color: #fff; }
.sd-nav-tab.active { color: #fff; font-weight: 666; }
.sd-nav-tab.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: #fff;
}

.sd-title {
    font-size: 36px;
    font-weight: 749;
    line-height: 40px;
    color: #232426;
    text-align: center;
    position: relative;
    z-index: 99;
}
/* ============================================================
   区块3: 市场背景及行业趋势 (白底, 左文右图)
   ============================================================ */
.sd-market {
  background: #fff;
  padding: 80px 0 96px;
}
.sd-market-body {
  display: flex;
  align-items: flex-start;
  gap: 73px;
  margin-top: 60px;
}
.sd-market-text {
  flex: none;
  width: 517px;
}
.sd-market-text h3 {
  font-size: 24px;
  font-weight: 749;
  line-height: 40px;
  color: #2E3033;
}
.sd-market-text p {
  margin-top: 20px;
  font-size: 15px;
  font-weight: 513;
  line-height: 30px;
  color: rgba(46, 48, 51, .85);
}
.sd-market-img {
  flex: 1;
  min-width: 0;
  position: relative;
  padding-top: 32px;
  overflow: hidden;             /* 兜底: img/panel 窄容器不撑出视口 */
}
.sd-market-img .panel {
    position: absolute;
    top: 0;
    height: 390px;
    background: #F0F2F7;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 1090px;          /* 设计稿 1090, 容器不足时收缩不再撑出视口 */
    border-radius: 12px;
}
.sd-market-img img {
  position: relative;
  display: block;
  width: 818px;
  max-width: 100%;
  margin-left: 32px;
  border-radius: 10px;
}

/* ============================================================
   区块4: 行业主要挑战 (#F0F2F7, 2×2 卡片)
   ============================================================ */
.sd-challenges {
  background: #F0F2F7;
  padding: 80px 0 96px;
}
.sd-challenges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.sd-challenge {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #fff;
  border-radius: 12px;
}
.sd-challenge img {
  flex: none;
  width: 256px;
  height: 164px;
  object-fit: cover;
  border-radius: 8px;
}
.sd-challenge h3 {
  font-size: 20px;
  font-weight: 666;
  line-height: 28px;
  color: #2E3033;
}
.sd-challenge p {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 513;
  line-height: 30px;
  color: rgba(46, 48, 51, .85);
}

/* ============================================================
   区块5: 赋能价值 (白底 + 淡蓝椭圆 + 中心icon + 2×2 价值)
   ============================================================ */
.sd-values {
  position: relative;
  background: #fff;
  padding: 80px 0 160px;
  overflow: hidden;
  
}
.rectangle-93 {
  width: 1920px;
  height: 825px;
  left: 0px;
  top: 0px;
  position: absolute;
  background: #F6FCFE;
}

.rectangle-94 {
  width: 1920px;
  height: 825px;
  left: 0px;
  top: 0px;
  position: absolute;
  background: white;
}

.ellipse-1150 {
  width: 742px;
  height: 418px;
  left: 589px;
  top: 502px;
  position: absolute;
  opacity: 0.80;
  background: rgba(192.46, 239.90, 255, 0.85);
  box-shadow: 550px 550px 550px ;
  border-radius: 9999px;
  filter: blur(275px);
}

.ellipse-1152 {
  width: 895px;
  height: 406px;
  left: -202px;
  top: 508px;
  position: absolute;
  opacity: 0.80;
  background: rgba(206.43, 221.97, 255, 0.65);
  box-shadow: 500px 500px 500px ;
  border-radius: 9999px;
  filter: blur(250px);
}

.ellipse-1151 {
  width: 756px;
  height: 261px;
  left: 1216px;
  top: 581px;
  position: absolute;
  opacity: 0.80;
  background: rgba(158.89, 214.95, 255, 0.63);
  box-shadow: 500px 500px 500px ;
  border-radius: 9999px;
  filter: blur(250px);
}

.sd-values-body {
  position: relative;
  margin-top: 70px;
}
.sd-values-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    z-index: 0;
    pointer-events: none;
    height: 456px;
}
.sd-values-center img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
}
.sd-values-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 488px);
  gap: 262px 464px;
  justify-content: center;
}
.sd-value {
  display: flex;
  align-items: flex-start;
  gap: 32px;
}
/* 右列 (价值2/4): 设计稿为 文字在左、图标在右 */
.sd-values-grid .sd-value:nth-child(even) {
  flex-direction: row-reverse;
}
.sd-value .icon {
  flex: none;
  width: 80px;
  height: 80px;
}
.sd-value h3 {
  font-size: 22px;
  font-weight: 749;
  line-height: 28px;
  color: #2E3033;
}
.sd-value p {
  margin-top: 12px;
  font-size: 15px;
  font-weight: 513;
  line-height: 30px;
  color: rgba(46, 48, 51, .85);
}

/* ============================================================
   区块6: 常见应用场景 (#E6F0FE, 2×2 卡片)
   ============================================================ */
.sd-scenes {
  background: #E6F0FE;
  padding: 80px 0 96px;
}
.sd-scenes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 56px;
}
.sd-scene {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}
.sd-scene img {
  display: block;
  width: 100%;
  aspect-ratio: 704 / 400;
  object-fit: cover;
}
.sd-scene-body {
    padding: 35px 45px 45px;
}
.sd-scene-body h3 {
  font-size: 26px;
  font-weight: 666;
  line-height: 38px;
  color: #2E3033;
}
.sd-scene-body p {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 513;
  line-height: 26px;
  color: rgba(46, 48, 51, .85);
}

/* ============================================================
   区块7: 适配硬件 (白底, 产品卡)
   ============================================================ */
.sd-hardware {
  background: #fff;
  padding: 80px 0 96px;
}
.sd-hardware-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1440px;
  margin: 56px auto 0;
}
.sd-hardware-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  height: 396px;
  background: #EDEEF0;
  border-radius: 6px;
  overflow: hidden;
  text-align: center;
  transition: box-shadow .35s var(--ease), transform .35s var(--ease);
}

/* 图区: 双图 hover 黑屏→彩屏 (同硬件产品列表 pl-card) */
.sd-hardware-img {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 295px;
  background: #EDEEF0;
  overflow: hidden;
}
.sd-hardware-img img {
  max-height: 75%;
  max-width: 66%;
  object-fit: contain;
  display: block;
  transition: transform .4s var(--ease), opacity .3s var(--ease);
}
.sd-hardware-img .img-color { position: absolute; opacity: 0; }
.sd-hardware-card:hover .img-dark { opacity: 0; }
.sd-hardware-card:hover .img-color { opacity: 1; transform: scale(1.06); }
.sd-hardware-name {
  margin-top: 0;                 /* 紧贴图区下方 (同 pl-card) */
  font-size: 20px;
  font-weight: 666;
  line-height: 32px;
  color: #2E3033;
}
.sd-hardware-tag {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 513;
  line-height: 20px;
  color: rgba(34, 36, 38, .75);
}

/* ============================================================
   区块8: 留言咨询 (背景图 + 遮罩 + 左文右表单)
   ============================================================ */
.sd-consult {
  position: relative;
  overflow: hidden;
}
.sd-consult-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.sd-consult-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sd-consult-bg .mask {
  position: absolute;
  inset: 0;
  z-index: 1;                              /* 确保盖在背景图之上 */
  background: rgba(41, 55, 82, .5);        /* 设计稿 #293752 a0.50 */
}
.sd-consult-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;      /* 剩余空间左右均分 → 左侧文字与右侧留白对称 */
  gap: 80px;
  padding: 100px 0;
  height: 1066px;
}
.sd-consult-text {
  flex: 1;
  min-width: 0;
  max-width: 615px;
  color: #fff;
  margin-left: auto;            /* 与 form 的 margin-right:auto 均分剩余空间 */
}
.sd-consult-text h3 {
  font-size: 40px;
  font-weight: 666;
  line-height: 56px;
}
.sd-consult-text p {
  margin-top: 24px;
  font-size: 22px;
  font-weight: 513;
  line-height: 38px;
  color: rgba(255, 255, 255, .85);
}
.sd-consult-list { margin-top: 48px; list-style: none; padding: 0; }
.sd-consult-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 24px;
  font-weight: 666;
  line-height: 36px;
}
.sd-consult-list li + li { margin-top: 36px; }
.sd-consult-list img { width: 36px; height: 36px; flex: none; }
.sd-consult-form {
  flex: none;
  width: 752px;
  max-width: 100%;
  background: #fff;
  border-radius: 12px;
  padding: 56px 64px;
  margin-right: auto;           /* 与 text 的 margin-left:auto 均分剩余空间 */
}
.sd-consult-form h4 {
  margin-bottom: 48px;
  font-size: 30px;
  font-weight: 666;
  line-height: 42px;
  color: #2E3033;
  text-align: center;
}
.sd-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 24px;
}
.sd-field input,
.sd-field select,
.sd-field textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: #F2F3F5;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 16px;
  font-weight: 513;
  font-family: inherit;
  color: #2E3033;
}
.sd-field input, .sd-field select { height: 48px; }
.sd-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url('../img/icon-arrow-down.svg');
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  color: rgba(46, 48, 51, .85);
}
.sd-field textarea { height: 120px; resize: none; }
.sd-field--full { grid-column: 1 / -1; }
.sd-form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13px;
  font-weight: 513;
  line-height: 20px;
  color: #2E3033;
  cursor: pointer;
}
/* CF7 acceptance 嵌套结构: 让 checkbox 与文字同线对齐 */
.sd-form-check .wpcf7-form-control-wrap,
.sd-form-check .wpcf7-acceptance,
.sd-form-check .wpcf7-list-item,
.sd-form-check .wpcf7-list-item > label {
  display: flex;
  align-items: center;
}
.sd-form-check .wpcf7-list-item { margin: 0; }
.sd-form-check .wpcf7-list-item > label { gap: 8px; }
.sd-form-check input { width: 18px; height: 18px; accent-color: #2168E5; flex: none; }
/* 隐私保护条款: 可点击蓝色链接 */
.sd-privacy-link {
  color: #2168E5;
  text-underline-offset: 3px;
  transition: color .3s var(--ease);
}
.sd-privacy-link:hover { color: #1a56c4; }
.sd-form-submit {
  display: block;
  margin: 24px auto 0;
  width: 216px;
  height: 56px;
  border: 0;
  border-radius: 6px;
  background: #2168E5;
  color: #fff;
  font-size: 18px;
  font-weight: 666;
  font-family: inherit;
  cursor: pointer;
  transition: background .3s var(--ease);
}
.sd-form-submit:hover { background: #1a56c4; }

/* ============================================================
   响应式 (≤1440 / ≤1100 / ≤900 / ≤767 / ≤400)
   ============================================================ */
@media (max-width: 1440px) {
  .sd-banner { height: 640px; }
  /* 价值网格: 固定 488×2+464 溢出容器, 改为流式 2 列 */
  .sd-values-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
  /* 市场配图: 容器不足 818 时取消左缩进, 图占满不再被裁 */
  .sd-market-img img { margin-left: 0; }
}
@media (max-width: 1100px) {
  .sd-banner { height: 560px; }
  .sd-banner-title { font-size: 40px; line-height: 56px; }
  .sd-banner-sub { font-size: 18px; line-height: 32px; }
  .sd-nav-tag { font-size: 20px; }
  .sd-nav-tabs { gap: 40px; }
  .sd-market, .sd-challenges, .sd-values, .sd-scenes, .sd-hardware { padding: 64px 0 80px; }
  .sd-market-body { flex-direction: column; gap: 40px; }
  .sd-market-text { width: 100%; }
  .sd-market-text h3 { font-size: 22px; line-height: 34px; }
  .sd-challenges-grid { grid-template-columns: 1fr; }
  .sd-values-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
  .sd-values-center { display: none; }
  .sd-scenes-grid { grid-template-columns: 1fr; }
  .sd-hardware-grid { grid-template-columns: repeat(2, 1fr); }
  .sd-consult-inner { flex-direction: column; align-items: flex-start; gap: 48px;         padding: 100px 24px;    height: auto;}
  .sd-consult-text { max-width: none; margin-left: 0; }
  .sd-consult-form { width: 100%; margin-right: 0; }
}
@media (max-width: 900px) {
  .sd-banner { height: 480px; }
  .sd-banner-title { font-size: 34px; line-height: 48px; }
  .sd-market-img .panel { display: none; }
  .sd-market-img { padding-top: 0; }
  .sd-market-img img { width: 100%; margin-left: 0; }
  /* 价值: 单列 + 图标统一靠左 (取消右列镜像) */
  .sd-values-grid { grid-template-columns: 1fr; }
  .sd-values-grid .sd-value:nth-child(even) { flex-direction: row; }
  /* 留言表单: 中屏收窄内边距, 网格单列 (相对尺寸) */
  .sd-consult-form { padding: 40px 28px; }
  .sd-form-grid { grid-template-columns: 1fr; }
  .sd-form-submit { width: 100%; }
}
@media (max-width: 767px) {
  .sd-banner { height: 420px; }
  .sd-banner-title { font-size: 30px; line-height: 44px; padding: 0 16px; }
  .sd-banner-sub { font-size: 16px; line-height: 28px; }
  /* 定位标签: 折叠为单行 (同硬件产品页 pl-cats), 只显示当前高亮项 + 箭头展开 */
  .sd-nav { top: 64px; }
  .sd-nav-inner {
    position: relative;
    flex-direction: row;
    justify-content: flex-start;
    gap: 0;
    height: auto;
    padding: 0;
  }
  .sd-form-check {
    flex-wrap: wrap;
    line-height: 20px;          /* 保持正常行高, 文字换行不被裁切 */
}
  .sd-nav-tag { display: none; }
  .sd-nav-arrow {
    position: absolute;
    top: 0;
    right: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 48px;
    color: #fff;
    cursor: pointer;
  }
  .sd-nav-chevron {
    width: 20px;
    height: 20px;
    flex: none;
    transition: transform .3s var(--ease);
  }
  .sd-nav.open .sd-nav-chevron { transform: rotate(180deg); }
  .sd-nav-tabs {
    display: flex;
    flex-direction: column;
    gap: 0;
    justify-content: flex-start;
    align-items: stretch;
    width: 100%;
  }
  .sd-nav-tab {
    display: none;
    align-items: center;
    justify-content: flex-start;
    height: 48px;
    padding: 0 20px;
    font-size: 16px;
  }
  .sd-nav-tab.active {
    display: flex;
    font-weight: 666;
  }
  .sd-nav-tab.active::after { display: none; }
  .sd-nav.open .sd-nav-tab {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }
  .sd-nav.open .sd-nav-tab:last-child { border-bottom: none; }
  /* 移动端锚点偏移: 顶部导航 64 + 折叠第一行 48 = 112px */
  #sdIntro, #sdHardware, #sdConsult { scroll-margin-top: 112px; }
  .sd-title { font-size: 28px; line-height: 36px; }
  .sd-market, .sd-challenges, .sd-values, .sd-scenes, .sd-hardware { padding: 56px 0 64px; }
  .sd-market-text h3 { font-size: 20px; line-height: 30px; }
  .sd-market-text p { font-size: 14px; line-height: 26px; margin-top: 16px; }
  .sd-challenge { flex-direction: column; padding: 16px; }
  .sd-challenge img { width: 100%; height: auto; aspect-ratio: 256/164; }
  .sd-challenge h3 { font-size: 18px; line-height: 26px; }
  .sd-challenge p { font-size: 14px; line-height: 26px; margin-top: 12px; }
  .sd-value { gap: 16px; }
  .sd-value .icon { width: 56px; height: 56px; }
  .sd-value h3 { font-size: 20px; line-height: 26px; }
  .sd-value p { font-size: 14px; line-height: 26px; }
  .sd-scene-body { padding: 24px 20px 28px; }
  .sd-scene-body h3 { font-size: 22px; line-height: 32px; }
  .sd-scene-body p { font-size: 15px; line-height: 24px; }
  .sd-hardware-grid { grid-template-columns: 1fr; }
  .sd-consult-inner { padding: 64px 24px; }
  .sd-consult-text h3 { font-size: 28px; line-height: 42px; }
  .sd-consult-text p { font-size: 18px; line-height: 30px; }
  .sd-consult-list li { font-size: 18px; line-height: 28px; }
  .sd-consult-list li + li { margin-top: 24px; }
  .sd-consult-list img { width: 28px; height: 28px; }
  .sd-consult-form { padding: 40px 24px; }
  .sd-form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 400px) {
  .sd-banner { height: 360px; }
  .sd-banner-title { font-size: 26px; line-height: 38px; }
  .sd-banner-sub { font-size: 15px; line-height: 26px; }
  .sd-market, .sd-challenges, .sd-values, .sd-scenes, .sd-hardware { padding: 48px 0 56px; }
  .sd-challenge { padding: 14px; }
  .sd-challenge img { aspect-ratio: 4 / 3; }
  .sd-value .icon { width: 48px; height: 48px; }
  .sd-values-grid { gap: 32px; }
  .sd-scene-body { padding: 20px 16px 24px; }
  .sd-scene-body h3 { font-size: 20px; line-height: 28px; }
  .sd-scene-body p { font-size: 14px; line-height: 22px; }
  .sd-consult-inner { padding: 48px 24px; }
  .sd-consult-text h3 { font-size: 28px; line-height: 36px; }
  .sd-consult-text p { font-size: 16px; line-height: 28px; }
  .sd-consult-list li { font-size: 16px; line-height: 24px; }
  .sd-consult-form { padding: 32px 16px; }
  .sd-consult-form h4 { margin-bottom: 32px; }
  .sd-form-submit { width: 100%; }
}