/* 主展区：方案推荐条 + ATS 式四屏详情 */

.solution-showcase {
  height: 100%;
  overflow: hidden;
  background: #f0f3f7;
  color: #1a2332;
}

.ss-scroll {
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.ss-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 48px 28px;
  text-align: center;
  color: #5a6a7e;
  font-size: 15px;
  line-height: 1.6;
}

.ss-recommend {
  padding: 16px 20px 0;
  background: #fff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.ss-recommend-title {
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.ss-recommend-strip {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.ss-recommend-card {
  flex: 0 0 min(280px, 72vw);
  scroll-snap-align: start;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  text-align: left;
  padding: 0;
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.ss-recommend-card:hover,
.ss-recommend-card.is-active {
  border-color: #3d6a96;
  box-shadow: 0 8px 24px rgba(61, 106, 150, 0.18);
}

.ss-recommend-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #e8edf2;
}

.ss-recommend-card-body {
  padding: 12px 14px 14px;
}

.ss-recommend-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: #1a2332;
}

.ss-recommend-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: #5a6a7e;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* —— 屏 1：Hero —— */
.ss-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  min-height: min(52vh, 480px);
  background: #1e3a5f;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.ss-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 38%;
  width: 120px;
  height: 100%;
  background: #1e3a5f;
  transform: skewX(-12deg) translateX(50%);
  z-index: 1;
}

.ss-hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 40px 48px 48px;
}

.ss-hero-tag {
  font-size: 13px;
  font-weight: 500;
  color: #7dcea0;
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}

.ss-hero-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 20px;
  line-height: 1.15;
}

.ss-hero-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  opacity: 0.95;
  max-width: 36em;
}

.ss-hero-lead + .ss-hero-lead {
  margin-top: 10px;
}

.ss-hero-media {
  position: relative;
  z-index: 0;
  min-height: 240px;
}

.ss-hero-media img,
.ss-hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* —— 屏 2：图文简述 —— */
.ss-summary {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  background: #fff;
  min-height: 360px;
}

.ss-summary-media img,
.ss-summary-media video {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
}

.ss-summary-copy {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ss-summary-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin: 0 0 16px;
  color: #1e3a5f;
}

.ss-summary-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.65;
  color: #334155;
}

.ss-summary-list {
  margin: 0;
  padding: 0 0 0 1.1em;
  color: #334155;
  font-size: 14px;
  line-height: 1.65;
}

.ss-summary-list li + li {
  margin-top: 8px;
}

/* —— 屏 3：概述 Tab —— */
.ss-overview {
  background: #1e3a5f;
  color: #fff;
  padding: 0 0 40px;
}

.ss-tabs {
  display: flex;
  justify-content: flex-end;
  gap: 0;
  padding: 24px 32px 0;
}

.ss-tab {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 22px;
  cursor: pointer;
}

.ss-tab:first-child {
  border-radius: 4px 0 0 4px;
}

.ss-tab:last-child {
  border-radius: 0 4px 4px 0;
  border-left: none;
}

.ss-tab.is-active {
  background: #1e3a5f;
  border-color: #fff;
}

.ss-tab:not(.is-active) {
  background: #fff;
  color: #1e3a5f;
}

.ss-overview-panels {
  padding: 32px 40px 0;
}

.ss-overview-panel[hidden] {
  display: none !important;
}

.ss-overview-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.ss-overview-col h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.ss-overview-col ul {
  margin: 0;
  padding: 0 0 0 1.1em;
  font-size: 14px;
  line-height: 1.65;
  opacity: 0.95;
}

.ss-overview-col li + li {
  margin-top: 10px;
}

.ss-specs {
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  opacity: 0.95;
}

/* —— 屏 4：主要优势 —— */
.ss-advantages {
  background: #fff;
  padding: 48px 40px 56px;
}

.ss-advantages-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin: 0 0 32px;
  color: #1a2332;
}

.ss-advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 40px;
}

.ss-advantage-card {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px 16px;
  align-items: start;
}

.ss-advantage-icon {
  width: 36px;
  height: 28px;
  display: flex;
  gap: 4px;
  align-items: flex-end;
  padding-top: 4px;
}

.ss-advantage-icon span {
  display: block;
  width: 8px;
  background: #3d6a96;
  border-radius: 1px;
  transform: skewX(-18deg);
}

.ss-advantage-icon span:nth-child(1) { height: 14px; opacity: 0.55; }
.ss-advantage-icon span:nth-child(2) { height: 20px; opacity: 0.8; }
.ss-advantage-icon span:nth-child(3) { height: 26px; }

.ss-advantage-card h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: #1e3a5f;
  grid-column: 2;
}

.ss-advantage-card p {
  margin: 0;
  grid-column: 2;
  font-size: 14px;
  line-height: 1.65;
  color: #475569;
}

/* —— 图集 —— */
.ss-gallery {
  padding: 32px 40px 48px;
  background: #f8fafc;
}

.ss-gallery h3 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
}

.ss-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.ss-gallery-grid img,
.ss-gallery-grid video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  background: #e2e8f0;
}

@media (max-width: 900px) {
  .ss-hero,
  .ss-summary {
    grid-template-columns: 1fr;
  }

  .ss-hero::after {
    display: none;
  }

  .ss-hero-copy {
    padding: 32px 24px 24px;
    order: 2;
  }

  .ss-hero-media {
    order: 1;
    min-height: 220px;
  }

  .ss-summary-media {
    order: 1;
  }

  .ss-summary-copy {
    order: 2;
    padding: 28px 24px 32px;
  }

  .ss-overview-cols {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .ss-advantages-grid {
    grid-template-columns: 1fr;
  }

  .ss-tabs {
    padding: 20px 20px 0;
    justify-content: stretch;
  }

  .ss-tab {
    flex: 1;
    text-align: center;
  }

  .ss-overview-panels,
  .ss-advantages,
  .ss-gallery {
    padding-left: 20px;
    padding-right: 20px;
  }
}