/* ============================================
   解决方案样式 solutions.css
   ============================================ */

/* ---------- 行业导航 ---------- */
.industry-nav {
  background: #fff;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-main-h);
  z-index: 50;
}
.industry-nav-list {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.industry-nav-item {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
}
.industry-nav-item:hover {
  background: var(--color-primary);
  color: #fff;
}
@media (max-width: 768px) {
  .industry-nav-list { gap: var(--space-2); }
  .industry-nav-item { font-size: var(--font-size-sm); padding: var(--space-2) var(--space-3); min-height: 44px; display: inline-flex; align-items: center; }
}

/* ---------- 解决方案块 ---------- */
.solution-block { scroll-margin-top: 140px; }
.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.solution-grid.reverse .solution-img { order: 2; }
.solution-grid.reverse .solution-text { order: 1; }
.solution-img img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.solution-text .badge {
  background: var(--color-primary);
  color: #fff;
  margin-bottom: var(--space-3);
}
.solution-text h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-5);
}
.solution-pain, .solution-answer {
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
}
.solution-pain strong { color: var(--color-accent); }
.solution-answer strong { color: var(--color-primary); }
.solution-products {
  margin: var(--space-5) 0;
  padding: var(--space-4) 0;
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
}
.solution-products span {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}
.solution-products .tag {
  background: rgba(0, 128, 96, 0.08);
  color: var(--color-primary);
  text-decoration: none;
  margin-right: var(--space-2);
  margin-bottom: var(--space-2);
}

@media (max-width: 768px) {
  .solution-grid, .solution-grid.reverse {
    grid-template-columns: 1fr;
  }
  .solution-grid.reverse .solution-img { order: 0; }
  .solution-grid.reverse .solution-text { order: 0; }
}

/* ---------- 客户案例 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.case-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--color-secondary);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}
.case-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.case-body h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-3);
}
.case-pain, .case-solution {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}
.case-pain strong, .case-solution strong {
  color: var(--color-primary);
  font-weight: 600;
}
.case-result {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-4) 0;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.case-metric {
  text-align: center;
  flex: 1;
}
.case-metric strong {
  display: block;
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  font-weight: 800;
}
.case-metric span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.case-quote {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.7;
  font-style: italic;
  border-left: 3px solid var(--color-secondary);
  padding-left: var(--space-3);
  margin-top: auto;
}
.case-quote cite {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: normal;
}
@media (max-width: 1024px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .case-result { flex-wrap: nowrap; }
  .case-metric { flex: 1 1 50%; }
  .case-metric strong { font-size: var(--font-size-lg); }
  .case-metric span { font-size: 11px; }
}

/* ---------- 服务流程 ---------- */
.process-steps {
  list-style: none;
  margin: 0;
  padding: var(--space-5) 0 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  position: relative;
}
.process-steps::before {
  content: "";
  position: absolute;
  top: 56px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-primary) 100%);
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 var(--space-2);
}
.process-num {
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
}
.process-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-3);
  background: #fff;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 26px;
  box-shadow: 0 4px 14px rgba(0, 128, 96, 0.15);
  transition: all var(--transition-base);
}
.process-step:hover .process-icon {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.08);
}
.process-step h3 {
  font-size: var(--font-size-base);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.process-step p {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 1024px) {
  .process-steps { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-6); }
  .process-steps::before { display: none; }
}
@media (max-width: 600px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-icon { width: 60px; height: 60px; font-size: 22px; }
}

/* ---------- 方案对比表 ---------- */
.compare-desktop { display: block; }
.compare-mobile { display: none; }
.compare-table-wrap {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
.compare-table thead th {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: var(--space-4) var(--space-3);
  font-weight: 600;
  text-align: center;
  font-size: var(--font-size-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
}
.compare-table thead th:not(:first-child) {
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}
.compare-table thead th .col-icon {
  display: block;
  font-size: 22px;
  margin-bottom: 6px;
  opacity: 0.95;
}
.compare-table thead th .col-tag {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 10px;
  font-size: 11px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
  font-weight: 500;
}
.compare-table tbody td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  text-align: center;
}
.compare-table tbody td:not(:first-child) {
  border-left: 1px solid var(--color-border);
}
.compare-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: var(--color-bg-soft);
  width: 18%;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td:not(:first-child) { background: rgba(0, 128, 96, 0.04); }
.compare-table .col-recommend {
  position: relative;
  background: rgba(0, 128, 96, 0.08) !important;
  font-weight: 600;
}
.compare-table .recommend-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.compare-table .compare-cta {
  margin-top: var(--space-3);
}
.compare-table .compare-cta .btn {
  width: 100%;
  font-size: var(--font-size-xs);
  padding: 6px 12px;
  min-height: 36px;
}
@media (max-width: 1024px) {
  .compare-table-wrap { overflow-x: auto; }
  .compare-table { min-width: 720px; }
}

/* ---------- 移动端 Swiper 异形 Slider ---------- */
.compare-mobile {
  position: relative;
  padding: 0 var(--space-4) var(--space-6);
}
.compare-swiper {
  width: 100%;
  overflow: visible;
  padding: var(--space-6) 0 var(--space-4);
}
.compare-swiper .swiper-wrapper {
  align-items: center;
}
.compare-swiper .swiper-slide {
  width: 78%;
  height: auto;
  transition: opacity var(--transition-base), transform var(--transition-base);
  opacity: 0.55;
  transform: scale(0.88);
}
.compare-swiper .swiper-slide.swiper-slide-active {
  opacity: 1;
  transform: scale(1);
}
.compare-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  min-height: 460px;
}
.compare-card-recommend {
  background: linear-gradient(180deg, #ffffff 0%, #f3faf6 100%);
  border: 2px solid var(--color-primary);
  box-shadow: 0 12px 32px rgba(0, 128, 96, 0.18);
}
.compare-card .recommend-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  z-index: 1;
}
.compare-card-head {
  padding-top: var(--space-2);
  margin-bottom: var(--space-4);
}
.compare-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 6px 16px rgba(0, 128, 96, 0.25);
}
.compare-card-recommend .compare-card-icon {
  width: 64px;
  height: 64px;
  font-size: 26px;
}
.compare-card-head h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  font-weight: 700;
}
.compare-card-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 11px;
  color: var(--color-text-light);
  background: var(--color-bg-soft);
  border-radius: var(--radius-full);
}
.compare-card-recommend .compare-card-tag {
  color: var(--color-primary-dark);
  background: rgba(0, 128, 96, 0.12);
  font-weight: 600;
}
.compare-card-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  text-align: left;
  flex: 1;
}
.compare-card-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: var(--font-size-xs);
  gap: 8px;
}
.compare-card-list li:last-child { border-bottom: none; }
.compare-card-list li span {
  color: var(--color-text-light);
  flex-shrink: 0;
}
.compare-card-list li b {
  color: var(--color-text);
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.compare-card .btn {
  margin-top: auto;
  width: 100%;
}
.compare-pagination {
  position: relative;
  margin-top: var(--space-4);
  text-align: center;
  height: 8px;
}
.compare-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: var(--color-border);
  opacity: 1;
  margin: 0 5px;
  transition: all var(--transition-base);
}
.compare-pagination .swiper-pagination-bullet-active {
  background: var(--color-primary);
  width: 24px;
  border-radius: var(--radius-full);
}
/* ---------- 移动端 Swiper 异形 Slider 共享样式 ---------- */
.case-mobile { display: none; }
.compare-mobile,
.case-mobile {
  position: relative;
  padding: 0 var(--space-4) var(--space-6);
}
.compare-swiper,
.case-swiper {
  width: 100%;
  overflow: visible;
  padding: var(--space-6) 0 var(--space-4);
}
.compare-swiper .swiper-wrapper,
.case-swiper .swiper-wrapper {
  align-items: center;
}
.slider-shape .swiper-slide {
  width: 78%;
  height: auto;
  transition: opacity var(--transition-base), transform var(--transition-base);
  opacity: 0.55;
  transform: scale(0.88);
}
.slider-shape .swiper-slide.swiper-slide-active {
  opacity: 1;
  transform: scale(1);
}
.compare-pagination,
.case-pagination {
  position: relative;
  margin-top: var(--space-4);
  text-align: center;
  height: 8px;
}
.compare-pagination .swiper-pagination-bullet,
.case-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: var(--color-border);
  opacity: 1;
  margin: 0 5px;
  transition: all var(--transition-base);
}
.compare-pagination .swiper-pagination-bullet-active,
.case-pagination .swiper-pagination-bullet-active {
  background: var(--color-primary);
  width: 24px;
  border-radius: var(--radius-full);
}
@media (max-width: 1024px) {
  .compare-desktop { display: none; }
  .compare-mobile { display: block; }
  .case-desktop { display: none; }
  .case-mobile { display: block; }
}

/* trust-bar 样式已迁移到 common.css，详见 common.css */

/* ---------- 案例标签（项目周期/类型）---------- */
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: var(--space-2) 0 var(--space-3);
}
.case-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--color-text-light);
  background: var(--color-bg-soft);
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.case-meta-tag i {
  font-size: 10px;
  color: var(--color-primary);
}

/* ---------- 行业导航毛玻璃 ---------- */
@media (max-width: 768px) {
  .industry-nav {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}