/* ====================================================================
   CESIPC solutions.css — 解决方案中心专用样式
==================================================================== */

/* ============= Hero ============= */
.page-hero--solutions {
  position: relative;
  background:
    linear-gradient(135deg, rgba(51,117,175,.95) 0%, rgba(20,55,90,.97) 100%),
    radial-gradient(circle at 85% 20%, rgba(255,219,106,.12) 0%, transparent 45%),
    radial-gradient(circle at 15% 80%, rgba(255,255,255,.06) 0%, transparent 50%);
  padding: var(--sp-12) 0 var(--sp-10);
  overflow: hidden;
}
.page-hero--solutions::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0);
  background-size: 36px 36px;
  mask-image: linear-gradient(135deg, rgba(0,0,0,.5) 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(135deg, rgba(0,0,0,.5) 0%, transparent 70%);
}
.page-hero--solutions .page-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--sp-10);
  align-items: center;
}
.page-hero--solutions .page-hero__main { max-width: none; }
.page-hero--solutions .page-hero__title { font-size: 50px; line-height: 1.1; }
.page-hero--solutions .page-hero__title span { color: #ffdb6a; }
.page-hero--solutions .page-hero__sub {
  font-size: var(--fs-lg);
  line-height: 1.7;
  max-width: none;
}
.page-hero--solutions .page-hero__sub strong { color: #ffdb6a; font-weight: 700; }
.page-hero--solutions .hero-stat__num small { color: #ffdb6a; }
.page-hero--solutions .hero-platforms li span { color: #ffdb6a; }

@media (max-width: 1024px) {
  .page-hero--solutions .page-hero__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .page-hero--solutions .page-hero__title { font-size: 36px; }
}
@media (max-width: 640px) {
  .page-hero--solutions { padding: var(--sp-8) 0; }
  .page-hero--solutions .page-hero__title { font-size: 26px; }
}

/* ============= 介绍区 ============= */
.solutions-intro {
  padding: var(--sp-12) 0 var(--sp-8);
}
.solutions-intro .page-section__sub {
  max-width: 920px;
  margin: 0 auto;
  font-size: var(--fs-lg);
  line-height: 1.8;
}

/* ============= 9 大行业网格 ============= */
.solutions-grid-section { padding: var(--sp-14) 0; }
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
@media (max-width: 1024px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .industry-grid { grid-template-columns: 1fr; } }

.solutions-grid-section .industry-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  text-decoration: none !important;
  color: var(--c-text) !important;
  position: relative;
  text-align: left;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.solutions-grid-section .industry-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  z-index: 2;
}
/* 显式覆盖 home.css 上的 .industry-card:hover —— 防止背景变蓝、标题消失 */
.solutions-grid-section .industry-card:hover {
  background: #fff;
  color: var(--c-text) !important;
  border-color: var(--c-primary);
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(13,31,90,0.14);
}
.solutions-grid-section .industry-card:hover .industry-card__title { color: var(--c-primary); }

/* 行业配色 */
.industry-card--cnc::before    { background: linear-gradient(90deg, #4a8cc5 0%, #3375af 100%); }
.industry-card--semi::before   { background: linear-gradient(90deg, #6a4ec0 0%, #4a3098 100%); }
.industry-card--mv::before     { background: linear-gradient(90deg, #76b900 0%, #4e8200 100%); }
.industry-card--food::before   { background: linear-gradient(90deg, #ff8a3d 0%, #d96624 100%); }
.industry-card--mfg::before    { background: linear-gradient(90deg, #5b6d7d 0%, #3a4a59 100%); }
.industry-card--energy::before { background: linear-gradient(90deg, #ffc83d 0%, #d99000 100%); }
.industry-card--logi::before   { background: linear-gradient(90deg, #5cb1c9 0%, #2a7488 100%); }
.industry-card--def::before    { background: linear-gradient(90deg, #595a4f 0%, #2f3027 100%); }
.industry-card--med::before    { background: linear-gradient(90deg, #e1487f 0%, #b22a5d 100%); }

.industry-card__media {
  position: relative;
  aspect-ratio: 3 / 2;
  background: linear-gradient(180deg, #f4f7fa 0%, #e7eef5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.industry-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}
.industry-card:hover .industry-card__media img { transform: scale(1.06); }

.industry-card__ph {
  position: absolute;
  font-family: 'Inter', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: rgba(51,117,175,0.20);
  pointer-events: none;
  display: none;
}
.industry-card__media--placeholder .industry-card__ph { display: block; }

.industry-card__num {
  position: absolute;
  top: 14px;
  left: 16px;
  z-index: 2;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  background: rgba(0,0,0,0.55);
  border-radius: 999px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.industry-card__body {
  padding: var(--sp-5) var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.industry-card__title {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.3;
  margin: 0 0 10px;
}
.industry-card__desc {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.65;
  margin: 0 0 var(--sp-4);
  flex: 1;
}
.industry-card__tags {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-4);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.industry-card__tags li {
  display: inline-block;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.industry-card__more {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.02em;
  margin-top: auto;
  transition: letter-spacing var(--t-fast);
}
.industry-card:hover .industry-card__more { letter-spacing: 0.04em; }

/* ============= 平台映射四卡 ============= */
.solutions-mapping {
  padding: var(--sp-14) 0;
}
.mapping-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
@media (max-width: 1024px) { .mapping-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .mapping-grid { grid-template-columns: 1fr; } }

.mapping-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none !important;
  color: var(--c-text) !important;
  position: relative;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.mapping-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(13,31,90,0.14);
}

/* 顶部图片区 */
.mapping-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(180deg, #f4f7fa 0%, #e7eef5 100%);
  overflow: hidden;
}
.mapping-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}
.mapping-card:hover .mapping-card__media img { transform: scale(1.06); }
.mapping-card__media-tag {
  position: absolute;
  top: 12px;
  left: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.10em;
  color: #fff;
  padding: 5px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2;
}
.mapping-card--compute .mapping-card__media-tag { background: rgba(51,117,175,.92); }
.mapping-card--front   .mapping-card__media-tag { background: rgba(42,116,136,.92); }
.mapping-card--clean   .mapping-card__media-tag { background: rgba(74,140,197,.92); }
.mapping-card--field   .mapping-card__media-tag { background: rgba(217,102,36,.92); }

/* 顶部彩条 */
.mapping-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  z-index: 3;
}
.mapping-card--compute::before { background: linear-gradient(90deg, #3375af 0%, #1e4a72 100%); }
.mapping-card--compute:hover { border-color: #3375af; }
.mapping-card--front::before   { background: linear-gradient(90deg, #5cb1c9 0%, #2a7488 100%); }
.mapping-card--front:hover { border-color: #2a7488; }
.mapping-card--clean::before   { background: linear-gradient(90deg, #4a8cc5 0%, #3375af 100%); }
.mapping-card--clean:hover { border-color: #3375af; }
.mapping-card--field::before   { background: linear-gradient(90deg, #ff8a3d 0%, #d96624 100%); }
.mapping-card--field:hover { border-color: #d96624; }

/* 卡片下半部分 */
.mapping-card__body {
  padding: var(--sp-5) var(--sp-5) var(--sp-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.mapping-card__head {
  margin-bottom: var(--sp-3);
}
.mapping-card__name {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--c-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.mapping-card__name sup { font-size: 50%; vertical-align: super; }
.mapping-card__sub {
  display: block;
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  font-weight: 500;
  margin-top: 4px;
}
.mapping-card p {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.65;
  margin: 0 0 var(--sp-3);
}
.mapping-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-3);
  border-top: 1px solid var(--c-border);
}
.mapping-card ul li {
  font-size: var(--fs-sm);
  color: var(--c-text);
  padding: 7px 0;
  border-bottom: 1px solid var(--c-border);
}
.mapping-card ul li:last-child { border-bottom: 0; }

.mapping-card__more {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.02em;
  margin-top: auto;
  transition: letter-spacing var(--t-fast);
}
.mapping-card:hover .mapping-card__more { letter-spacing: 0.05em; }

/* ============= 底部 CTA ============= */
/* 注：.solutions-cta + .solutions-cta__inner 全部视觉规则由 components.css 统一接管。
   这里不再加任何样式，避免重叠盒子 / 浅色背景污染深色 CTA。 */