/* ==========================================================================
   components.css — 按钮 / 卡片 / 列表 / 表格 / 侧栏 / 分页
   ========================================================================== */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--navy-800);
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  transition: background .16s ease, color .16s ease, border-color .16s ease, transform .16s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn svg { width: 15px; height: 15px; }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }

.btn--navy {
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: #fff;
}
.btn--navy:hover { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }

.btn--outline {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--navy-800);
}
.btn--outline:hover { border-color: var(--navy-800); color: var(--navy-800); background: var(--surface-2); }

.btn--light {
  background: transparent;
  border-color: #3c5b73;
  color: #e3ecf3;
}
.btn--light:hover { background: rgba(255, 255, 255, .08); border-color: #6c8aa2; color: #fff; }

.btn--sm { padding: 8px 16px; font-size: .82rem; }
.btn--block { width: 100%; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .86rem;
  font-weight: 600;
  color: var(--accent);
}
.text-link svg { width: 13px; height: 13px; transition: transform .16s ease; }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- 标签 / 徽标 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-size: .72rem;
  font-weight: 500;
  color: var(--steel-600);
  letter-spacing: .02em;
}
.tag--accent { border-color: #e5c3ac; background: var(--accent-soft); color: var(--accent-dark); }
.tag--navy { border-color: var(--navy-800); background: var(--navy-800); color: #fff; }

.kicker {
  font-family: var(--font-num);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- 业务能力卡 ---------- */
.cap-card {
  position: relative;
  padding: 30px 28px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy-800);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.cap-card:hover {
  border-top-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.cap-card__num {
  font-family: var(--font-num);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--steel-300);
}
.cap-card__icon {
  width: 44px; height: 44px;
  margin: 16px 0 18px;
  color: var(--navy-700);
}
.cap-card h3 { font-size: 1.12rem; }
.cap-card p {
  margin-top: 10px;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--ink-3);
}
.cap-card ul { margin-top: 16px; display: grid; gap: 7px; }
.cap-card li {
  position: relative;
  padding-left: 14px;
  font-size: .84rem;
  color: var(--ink-2);
}
.cap-card li::before {
  content: "";
  position: absolute;
  left: 0; top: .68em;
  width: 5px; height: 5px;
  background: var(--accent);
}

/* ---------- 产品卡 ---------- */
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.product-card:hover {
  border-color: var(--steel-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.product-card__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  background: #f2f5f7;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.product-card__media img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 18px;
  transition: transform .35s ease;
}
.product-card:hover .product-card__media img { transform: scale(1.04); }
.product-card__cat {
  position: absolute;
  top: 10px; left: 10px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--line);
  font-size: .68rem;
  color: var(--steel-600);
}
.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 18px 20px;
  gap: 8px;
}
.product-card__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
}
.product-card__title a { color: var(--ink); }
.product-card__title a:hover { color: var(--accent); }
.product-card__desc {
  font-size: .82rem;
  line-height: 1.75;
  color: var(--ink-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--surface-2);
  font-size: .74rem;
  color: var(--steel-300);
  font-family: var(--font-num);
  letter-spacing: .04em;
}
.product-card__foot .text-link { font-size: .78rem; }

/* ---------- 方案区块 ---------- */
.solution-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
  gap: 48px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}
.solution-block:last-child { border-bottom: 0; }
.solution-block:nth-child(even) .solution-block__media { order: -1; }
.solution-block__index {
  font-family: var(--font-num);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--accent);
}
.solution-block h2 { margin-top: 10px; font-size: 1.35rem; }
.solution-block p {
  margin-top: 12px;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--ink-2);
}
.solution-block__points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  margin-top: 20px;
}
.solution-block__points li {
  position: relative;
  padding-left: 16px;
  font-size: .85rem;
  color: var(--ink-2);
}
.solution-block__points li::before {
  content: "";
  position: absolute;
  left: 0; top: .7em;
  width: 6px; height: 6px;
  border: 1px solid var(--accent);
}
.solution-block__media {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 10px;
}
.solution-block__media img { width: 100%; height: auto; }

/* ---------- 案例卡 ---------- */
.case-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}
.case-card__media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #eaeff2; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.case-card:hover .case-card__media img { transform: scale(1.04); }
.case-card__body { padding: 20px; display: grid; gap: 8px; flex: 1; }
.case-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: .74rem;
  color: var(--ink-3);
}
.case-card h3 { font-size: 1rem; line-height: 1.6; }
.case-card h3 a { color: var(--ink); }
.case-card h3 a:hover { color: var(--accent); }
.case-card p { font-size: .84rem; line-height: 1.8; color: var(--ink-3); }

/* ---------- 资讯列表 ---------- */
.news-list { display: grid; gap: 0; }
.news-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.news-item:first-child { padding-top: 0; }
.news-item__date {
  text-align: center;
  border-right: 1px solid var(--line);
  padding-right: 16px;
}
.news-item__day {
  display: block;
  font-family: var(--font-num);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--navy-800);
  line-height: 1.1;
}
.news-item__ym {
  display: block;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--steel-400, #93a8b8);
  margin-top: 4px;
}
.news-item__body { display: grid; gap: 6px; }
.news-item h3 { font-size: 1.02rem; line-height: 1.6; }
.news-item h3 a { color: var(--ink); }
.news-item h3 a:hover { color: var(--accent); }
.news-item p {
  font-size: .85rem;
  line-height: 1.8;
  color: var(--ink-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item__meta { font-size: .74rem; color: var(--steel-500); display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 资料下载 ---------- */
.dl-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); }
.dl-table caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 12px;
  font-size: .8rem;
  color: var(--ink-3);
}
.dl-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: #fff;
  background: var(--navy-800);
  white-space: nowrap;
}
.dl-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
  color: var(--ink-2);
  vertical-align: middle;
}
.dl-table tbody tr:last-child td { border-bottom: 0; }
.dl-table tbody tr:hover { background: #f7f9fa; }
.dl-table__name { font-weight: 600; color: var(--ink); }
.dl-table__type {
  font-family: var(--font-num);
  font-size: .74rem;
  color: var(--steel-600);
  border: 1px solid var(--line-strong);
  padding: 1px 6px;
}

/* ---------- 侧栏 ---------- */
.widget {
  background: var(--surface);
  border: 1px solid var(--line);
}
.widget__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.widget__head h2, .widget__head h3 {
  font-size: .92rem;
  font-weight: 700;
}
.widget__head::after {
  content: "";
  width: 22px; height: 2px;
  background: var(--accent);
}
.widget__body { padding: 18px; }

.cat-list { display: grid; }
.cat-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--surface-2);
  font-size: .88rem;
  color: var(--ink-2);
}
.cat-list a:last-child { border-bottom: 0; }
.cat-list a:hover, .cat-list a.is-active {
  background: var(--surface-2);
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.cat-list span {
  font-family: var(--font-num);
  font-size: .72rem;
  color: var(--steel-300);
}

.widget-news { display: grid; gap: 14px; }
.widget-news li { display: grid; gap: 3px; }
.widget-news a { font-size: .85rem; line-height: 1.6; color: var(--ink-2); }
.widget-news a:hover { color: var(--accent); }
.widget-news time { font-family: var(--font-num); font-size: .72rem; color: var(--steel-300); }

.widget-contact { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.widget-contact .widget__head { border-color: #25445e; }
.widget-contact .widget__head h3 { color: #fff; }
.widget-contact p { font-size: .84rem; line-height: 1.85; color: #a9bdcb; }
.widget-contact .tel {
  display: block;
  margin-top: 10px;
  font-family: var(--font-num);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .02em;
}
.widget-contact .btn { margin-top: 16px; }

/* ---------- 筛选条 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  border-radius: 2px;
  font-size: .82rem;
  color: var(--ink-2);
}
.chip:hover { border-color: var(--navy-800); color: var(--navy-800); }
.chip.is-active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.filter-bar__count { font-size: .8rem; color: var(--ink-3); }
.filter-bar__count b { color: var(--ink); font-family: var(--font-num); }

/* ---------- 产品详情 ---------- */
.detail-head {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: start;
  padding: 40px 0;
}
.detail-head__media {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 20px;
}
.detail-head__media img { width: 100%; height: auto; }
.detail-head__thumbs { display: flex; gap: 8px; margin-top: 12px; }
.detail-head__thumbs span {
  flex: 1;
  height: 54px;
  border: 1px solid var(--line);
  background: #f2f5f7;
}
.detail-head__thumbs span:first-child { border-color: var(--navy-800); }
.detail-head h1 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }
.detail-head__model {
  margin-top: 10px;
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--steel-500);
}
.detail-head__desc {
  margin-top: 16px;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--ink-2);
}
.detail-facts {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}
.detail-facts div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--surface-2);
  font-size: .86rem;
}
.detail-facts dt { color: var(--ink-3); }
.detail-facts dd { color: var(--ink); }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.spec-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.spec-table caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 12px;
  font-size: .8rem;
  color: var(--ink-3);
}
.spec-table th, .spec-table td {
  padding: 12px 16px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.spec-table th {
  width: 160px;
  background: var(--surface-2);
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
}
.spec-table td { color: var(--ink-2); background: var(--surface); }

/* ---------- 通用内容排版 ---------- */
.prose { font-size: .95rem; line-height: 1.95; color: var(--ink-2); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  margin-top: 2em;
  font-size: 1.35rem;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.prose h3 { margin-top: 1.6em; font-size: 1.08rem; }
.prose ul, .prose ol { padding-left: 1.2em; display: grid; gap: .5em; }
.prose ul li { list-style: none; position: relative; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: -1em; top: .78em;
  width: 5px; height: 5px;
  background: var(--accent);
}
.prose ol li { list-style: decimal; }
.prose blockquote {
  padding: 16px 20px;
  background: var(--surface-2);
  border-left: 3px solid var(--navy-700);
  font-size: .92rem;
  color: var(--ink-2);
}
.prose table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.prose th, .prose td { padding: 10px 14px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--surface-2); }
.prose img { border: 1px solid var(--line); }
.prose figure figcaption { margin-top: 8px; font-size: .78rem; color: var(--ink-3); text-align: center; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 提示块 ---------- */
.note {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink-2);
}
.note svg { width: 18px; height: 18px; color: var(--accent); margin-top: 3px; }
.note b { color: var(--accent-dark); }

/* ---------- 联系信息块 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.contact-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.contact-card__icon {
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-800);
  color: #fff;
  margin-bottom: 14px;
}
.contact-card__icon svg { width: 18px; height: 18px; }
.contact-card h2 { font-size: .95rem; color: var(--ink-3); font-weight: 600; letter-spacing: .04em; }
.contact-card p { margin-top: 8px; font-size: .98rem; line-height: 1.85; color: var(--ink); }
.contact-card a { color: var(--navy-800); }
.contact-card a:hover { color: var(--accent); }

.map-frame {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 10px;
}
.map-frame img { width: 100%; height: auto; }

/* ---------- CTA 条 ---------- */
.cta-band {
  position: relative;
  background: var(--navy-800);
  color: #fff;
  padding: 44px 0;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 300px; height: 300px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 50%;
}
.cta-band__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-band h2 { color: #fff; font-size: 1.5rem; }
.cta-band p { margin-top: 8px; color: #a9bdcb; font-size: .9rem; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 36px;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-family: var(--font-num);
  font-size: .84rem;
  color: var(--ink-2);
}
.pagination a:hover { border-color: var(--navy-800); color: var(--navy-800); }
.pagination .is-current { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.pagination .is-disabled { color: var(--steel-300); pointer-events: none; }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-800);
  color: #fff;
  border: 0;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--accent); }
.to-top svg { width: 17px; height: 17px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .solution-block { grid-template-columns: 1fr; gap: 24px; }
  .solution-block:nth-child(even) .solution-block__media { order: 0; }
  .detail-head { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .news-item { grid-template-columns: 62px minmax(0, 1fr); gap: 16px; }
  .news-item__day { font-size: 1.35rem; }
  .solution-block__points { grid-template-columns: 1fr; }
  .dl-table th:nth-child(3), .dl-table td:nth-child(3) { display: none; }
  .cta-band { padding: 34px 0; }
  .cta-band h2 { font-size: 1.25rem; }
}

/* ---------- 方案网格（首页） ---------- */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.sol-item {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 30px 28px;
  background: var(--surface);
  transition: background .16s ease;
}
.sol-item:hover { background: #f7f9fa; text-decoration: none; }
.sol-item__idx {
  font-family: var(--font-num);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--accent);
}
.sol-item h3 { font-size: 1.1rem; color: var(--ink); }
.sol-item p { font-size: .88rem; line-height: 1.85; color: var(--ink-3); }
.sol-item .text-link { margin-top: 4px; }

/* ---------- 搜索框 ---------- */
.search-bar { display: flex; }
.search-bar input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: .9rem;
  color: var(--ink);
}
.search-bar input::placeholder { color: var(--steel-500); }
.search-bar input:focus {
  outline: none;
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(29, 68, 98, .1);
}

/* 触摸设备上的下拉展开 */
.main-nav__item.is-open .submenu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

@media (max-width: 640px) {
  .sol-grid { grid-template-columns: minmax(0, 1fr); }
}

/* 卡片底部型号与链接不互相挤压 */
.product-card__foot > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.product-card__foot .text-link { flex: 0 0 auto; white-space: nowrap; }

@media (max-width: 640px) {
  .hero__stats { gap: 18px 12px; }
  .hero__stat {
    flex: 1 1 42%;
    border-right: 0;
    margin-right: 0;
    padding-right: 0;
  }
}

/* 下载表格：列宽与换行控制 */
.dl-table th:nth-child(1) { width: 27%; }
.dl-table th:nth-child(2) { width: 9%; }
.dl-table th:nth-child(4) { width: 15%; }
.dl-table th:last-child,
.dl-table td:last-child { white-space: nowrap; }
.dl-table__type { white-space: nowrap; }
.text-link { white-space: nowrap; }