/* ========================================
   信晟电气 - 地域落地页统一样式表
   配色：工业蓝 + 橙色CTA + 深灰文字
   ======================================== */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: #333;
  line-height: 1.8;
  background: #f5f7fa;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #1a6fc9;
  text-decoration: none;
  transition: color .2s;
}
a:hover { color: #e8650a; }

img { max-width: 100%; height: auto; display: block; }

ul, ol { padding-left: 1.4em; }

/* ---------- Layout Container ---------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Top Bar ---------- */
.top-bar {
  background: #0c2340;
  color: #c8d6e5;
  font-size: .82rem;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.top-bar a { color: #c8d6e5; }
.top-bar a:hover { color: #fff; }
.top-bar i { margin-right: 4px; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  position: sticky;
  top: 0;
  z-index: 999;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #1a6fc9, #0c2340);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
}
.logo-text h1 {
  font-size: 1.25rem;
  color: #0c2340;
  line-height: 1.2;
}
.logo-text span {
  font-size: .75rem;
  color: #888;
}

.main-nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  gap: 6px;
}
.main-nav a {
  display: block;
  padding: 8px 16px;
  border-radius: 6px;
  color: #444;
  font-size: .92rem;
  font-weight: 500;
  transition: all .25s;
}
.main-nav a:hover,
.main-nav a.active {
  background: #1a6fc9;
  color: #fff;
}

/* ---------- Hero Banner ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0c2340 0%, #1a6fc9 60%, #2e86de 100%);
  color: #fff;
  padding: 72px 0 64px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(232,101,10,.15) 0%, transparent 40%);
}
.hero .container { position: relative; }
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: .82rem;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 800px;
}
.hero p.lead {
  font-size: 1.1rem;
  opacity: .92;
  max-width: 680px;
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .25s;
}
.btn-primary {
  background: #e8650a;
  color: #fff;
  box-shadow: 0 4px 16px rgba(232,101,10,.35);
}
.btn-primary:hover { background: #d45809; color: #fff; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; }

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid #e8edf2;
  padding: 18px 0;
}
.trust-bar .container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: #555;
}
.trust-item .icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #eef4fc;
  color: #1a6fc9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* ---------- Section Base ---------- */
section {
  padding: 56px 0;
}
.section-alt { background: #fff; }
.section-gray { background: #f5f7fa; }

.section-header {
  text-align: center;
  margin-bottom: 40px;
}
.section-header h2 {
  font-size: 1.75rem;
  color: #0c2340;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.section-header h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: #e8650a;
  margin: 10px auto 0;
  border-radius: 2px;
}
.section-header p {
  color: #777;
  font-size: .95rem;
}

/* ---------- Feature Cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.feature-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,.05);
  border: 1px solid #eef1f5;
  transition: all .3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(26,111,201,.12);
  border-color: #c8ddf5;
}
.feature-card .fc-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, #eef4fc, #d6e8fa);
  color: #1a6fc9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1.08rem;
  color: #0c2340;
  margin-bottom: 8px;
}
.feature-card p,
.feature-card ul {
  font-size: .88rem;
  color: #666;
  line-height: 1.7;
}
.feature-card ul { padding-left: 1.2em; }

/* ---------- Tables ---------- */
.data-table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: .9rem;
  min-width: 600px;
}
table.data-table thead {
  background: linear-gradient(135deg, #0c2340, #1a6fc9);
  color: #fff;
}
table.data-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}
table.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #eef1f5;
  color: #444;
}
table.data-table tbody tr:hover { background: #f0f6ff; }
table.data-table tbody tr:nth-child(even) { background: #fafbfd; }
table.data-table tbody tr:nth-child(even):hover { background: #f0f6ff; }

/* ---------- Case Cards ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}
.case-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
  border: 1px solid #eef1f5;
  transition: all .3s;
}
.case-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.case-card .case-header {
  background: linear-gradient(135deg, #1a6fc9, #2e86de);
  color: #fff;
  padding: 18px 22px;
}
.case-card .case-header h3 { font-size: 1.05rem; }
.case-card .case-body { padding: 20px 22px; }
.case-card .case-body ul { font-size: .88rem; color: #555; }
.case-card .tag {
  display: inline-block;
  background: #eef4fc;
  color: #1a6fc9;
  font-size: .75rem;
  padding: 2px 10px;
  border-radius: 12px;
  margin-top: 10px;
}

/* ---------- Process Steps ---------- */
.process-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  counter-reset: step;
}
.process-step {
  background: #fff;
  border-radius: 10px;
  padding: 24px 20px;
  text-align: center;
  position: relative;
  border: 1px solid #eef1f5;
  counter-increment: step;
}
.process-step::before {
  content: counter(step);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a6fc9, #2e86de);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 12px;
}
.process-step h4 {
  font-size: .95rem;
  color: #0c2340;
  margin-bottom: 6px;
}
.process-step p {
  font-size: .82rem;
  color: #777;
}

/* ---------- Region List ---------- */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.region-item {
  background: #fff;
  border-radius: 8px;
  padding: 16px 20px;
  border-left: 4px solid #1a6fc9;
  box-shadow: 0 1px 6px rgba(0,0,0,.04);
  transition: all .25s;
}
.region-item:hover { border-left-color: #e8650a; transform: translateX(4px); }
.region-item strong { color: #0c2340; display: block; margin-bottom: 4px; }
.region-item span { font-size: .82rem; color: #777; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, #e8650a, #f08830);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  color: #fff;
  margin: 20px 0 0;
}
.cta-banner h2 { color: #fff; font-size: 1.5rem; margin-bottom: 10px; }
.cta-banner p { opacity: .92; margin-bottom: 20px; }
.cta-banner .btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 8px;
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 2px solid rgba(255,255,255,.7);
  font-weight: 600;
  transition: all .25s;
}
.cta-banner .btn-outline-light:hover { background: #fff; color: #e8650a; }

/* ---------- Contact Block ---------- */
.contact-block {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 16px rgba(0,0,0,.05);
  border: 1px solid #eef1f5;
}
.contact-block h3 {
  color: #0c2340;
  margin-bottom: 16px;
  font-size: 1.15rem;
}
.contact-list {
  list-style: none;
  padding: 0;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed #eef1f5;
  font-size: .92rem;
  color: #444;
}
.contact-list li:last-child { border: none; }
.contact-list .ci-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #eef4fc;
  color: #1a6fc9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0c2340;
  color: #8fa4bd;
  padding: 40px 0 20px;
  font-size: .85rem;
  margin-top: 40px;
}
.site-footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}
.site-footer h4 { color: #fff; margin-bottom: 14px; font-size: .95rem; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer ul li { padding: 5px 0; }
.site-footer a { color: #8fa4bd; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .8rem;
  color: #5d7a96;
}

/* ---------- Content Typography (for article body) ---------- */
.content-body h2 {
  font-size: 1.4rem;
  color: #0c2340;
  margin: 36px 0 14px;
  padding-left: 14px;
  border-left: 4px solid #e8650a;
}
.content-body h3 {
  font-size: 1.12rem;
  color: #1a6fc9;
  margin: 24px 0 10px;
}
.content-body p {
  margin-bottom: 14px;
  color: #444;
}
.content-body ul,
.content-body ol {
  margin-bottom: 16px;
  color: #444;
}
.content-body li { margin-bottom: 6px; }
.content-body strong { color: #0c2340; }

/* highlight box */
.highlight-box {
  background: linear-gradient(135deg, #eef4fc, #f0faf4);
  border-left: 4px solid #1a6fc9;
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin: 20px 0;
  font-size: .92rem;
  color: #444;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero h1 { font-size: 1.7rem; }
  .hero p.lead { font-size: 1rem; }
  .main-nav { display: none; }
  .top-bar .container { font-size: .75rem; }
  section { padding: 40px 0; }
  .cta-banner { padding: 28px 20px; }
}

@media (max-width: 600px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 1.4rem; }
  .btn { padding: 11px 20px; font-size: .9rem; }
  .section-header h2 { font-size: 1.35rem; }
  .trust-bar .container { gap: 10px; }
  .trust-item { font-size: .82rem; }
}


/* ===== 产品实拍图展示（本地化图片） ===== */
.product-img-box{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;margin:0 0 30px;}
.product-img-box .pi-item{flex:1 1 280px;max-width:460px;margin:0;text-align:center;}
.product-img-box img{width:100%;height:auto;border-radius:10px;box-shadow:0 6px 18px rgba(12,35,64,.14);border:1px solid #e5e9f0;background:#fff;}
.product-img-box figcaption{margin-top:10px;font-size:13px;color:#5a6b82;line-height:1.7;padding:0 6px;}
@media (max-width:640px){.product-img-box .pi-item{flex:1 1 100%;max-width:100%;}}

/* ---------- Related Topics ---------- */
a.feature-card { display: block; text-decoration: none; color: inherit; }
a.feature-card h3 { font-size: 1.05rem; color: #0c2340; margin-bottom: 8px; }
a.feature-card p { font-size: .85rem; color: #777; margin: 0; line-height: 1.6; }
a.feature-card:hover h3 { color: #1a6fc9; }



/* ===== 区域落地页补充样式（page-hero/faq等） ===== */
.page-hero {
  background: linear-gradient(135deg, #1a4a7a 0%, #0c2340 100%);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.page-hero .hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 13px;
  margin-bottom: 16px;
  color: #fff;
}
.page-hero h1 {
  font-size: 36px;
  margin: 0 0 16px;
  color: #fff;
}
.hero-sub {
  font-size: 16px;
  opacity: .92;
  max-width: 720px;
  margin: 0 auto 24px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.8;
}
.faq-item strong {
  color: #1a4a7a;
}
.gray {
  background: #f8f7f4;
}
.status-note {
  background: #eaf4f8;
  border-left: 3px solid #1f5b78;
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 13px;
}