/* ============================================
   铠拓空压机 · 公众号 H5 落地页统一样式
   工业科技风 · 移动端优先
   ============================================ */
:root {
  --primary: #0b3c5d;
  --primary-deep: #072a44;
  --primary-light: #1d5f8f;
  --accent: #f39c12;
  --accent-light: #f7b64a;
  --bg: #f2f5f9;
  --card: #ffffff;
  --text: #2b3a4a;
  --text-sub: #7a8a9a;
  --line: #e6ebf1;
  --success: #27ae60;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(11, 60, 93, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 14px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-bottom: 74px; /* 底部导航预留 */
}

a {
  color: var(--primary-light);
  text-decoration: none;
}

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

/* ---------- 顶部导航栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 12px;
}

.topbar .back {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  border-radius: 50%;
}

.topbar .title {
  flex: 1;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar .spacer {
  width: 32px;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--primary-deep) 0%, var(--primary) 55%, var(--primary-light) 100%);
  color: #fff;
  padding: 34px 20px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.hero .brand {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
}

.hero .slogan {
  margin-top: 10px;
  font-size: 13px;
  opacity: 0.9;
  letter-spacing: 1px;
}

.hero .sub {
  margin-top: 18px;
  font-size: 14px;
  color: var(--accent-light);
  border: 1px solid rgba(247, 182, 74, 0.5);
  display: inline-block;
  padding: 5px 16px;
  border-radius: 20px;
  background: rgba(243, 156, 18, 0.1);
}

/* ---------- 区块 ---------- */
.section {
  margin: 14px 12px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.section .hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--line);
}

.section .hd h2 {
  font-size: 16px;
  color: var(--primary);
  position: relative;
  padding-left: 12px;
}

.section .hd h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent);
}

.section .hd .more {
  font-size: 12px;
  color: var(--text-sub);
}

.section .bd {
  padding: 14px 16px;
}

/* ---------- 统计卡片 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 14px;
}

.stat {
  text-align: center;
  padding: 12px 4px;
  background: #f7fafc;
  border-radius: 10px;
}

.stat .num {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

.stat .label {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 2px;
}

/* ---------- 网格卡片 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 14px;
}

.grid .item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 12px;
  background: #fff;
  transition: transform 0.15s;
}

.grid .item:active {
  transform: scale(0.98);
}

.grid .item .ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.grid .item .nm {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

.grid .item .desc {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 4px;
  line-height: 1.5;
}

/* ---------- 列表 ---------- */
.list-item {
  display: flex;
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 12px;
  flex-shrink: 0;
}

.list-item .txt {
  flex: 1;
  font-size: 14px;
}

.list-item .txt .sub {
  font-size: 12px;
  color: var(--text-sub);
}

.list-item .arrow {
  color: #c4cfda;
  font-size: 14px;
}

/* ---------- 产品卡 ---------- */
.prod-card {
  display: flex;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.prod-card:last-child {
  border-bottom: none;
}

.prod-card .box {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eaf1f8, #dbe8f3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  margin-right: 12px;
  flex-shrink: 0;
}

.prod-card .info {
  flex: 1;
}

.prod-card .info .nm {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

.prod-card .info .en {
  font-size: 11px;
  color: var(--text-sub);
}

.prod-card .info .tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 11px;
  color: var(--primary-light);
  background: #eef4fa;
  border: 1px solid #dbe8f3;
  padding: 2px 8px;
  border-radius: 10px;
}

/* ---------- 段落文本 ---------- */
.para {
  font-size: 14px;
  color: var(--text);
  text-align: justify;
  margin-bottom: 10px;
}

.para:last-child {
  margin-bottom: 0;
}

/* ---------- 核心价值观 ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px;
}

.value {
  text-align: center;
  padding: 16px 6px;
  border-radius: 10px;
  background: linear-gradient(160deg, var(--primary), var(--primary-light));
  color: #fff;
}

.value .zh {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 4px;
}

.value .en {
  font-size: 10px;
  opacity: 0.85;
  margin-top: 4px;
}

/* ---------- 行业卡 ---------- */
.industry {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 14px;
}

.industry .item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
  background: #fff;
}

.industry .item .ico {
  font-size: 28px;
}

.industry .item .nm {
  font-size: 14px;
  font-weight: 600;
  margin-top: 6px;
  color: var(--primary);
}

.industry .item .ps {
  font-size: 11px;
  color: var(--text-sub);
  margin-top: 2px;
}

/* ---------- 服务承诺 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 14px;
}

.service-grid .item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 12px;
  text-align: center;
  background: #fff;
}

.service-grid .item .ico {
  font-size: 28px;
}

.service-grid .item .nm {
  font-size: 14px;
  font-weight: 600;
  margin-top: 8px;
  color: var(--primary);
}

/* ---------- 联系信息 ---------- */
.contact-list .row {
  display: flex;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}

.contact-list .row:last-child {
  border-bottom: none;
}

.contact-list .row .k {
  width: 56px;
  font-size: 13px;
  color: var(--text-sub);
  flex-shrink: 0;
}

.contact-list .row .v {
  flex: 1;
  font-size: 14px;
}

/* ---------- 参数表 ---------- */
.param-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  min-width: 520px;
}

.param-table th {
  background: var(--primary);
  color: #fff;
  padding: 8px 6px;
  font-weight: 500;
  white-space: nowrap;
}

.param-table td {
  border: 1px solid var(--line);
  padding: 7px 6px;
  text-align: center;
  white-space: nowrap;
}

.param-table tr:nth-child(even) td {
  background: #f8fafc;
}

/* ---------- 按钮 ---------- */
.btn {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(243, 156, 18, 0.35);
}

.btn-outline {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary-light);
}

.btn-group {
  padding: 14px 16px;
  display: grid;
  gap: 10px;
}

/* ---------- 底部导航 ---------- */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 62px;
  background: #fff;
  border-top: 1px solid var(--line);
  display: flex;
  z-index: 100;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-sub);
}

.bottom-nav a .ico {
  font-size: 20px;
  line-height: 1;
  margin-bottom: 3px;
}

.bottom-nav a.active {
  color: var(--primary);
  font-weight: 600;
}

/* ---------- 详情页 ---------- */
.detail-hero {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary-light));
  color: #fff;
  padding: 24px 20px;
}

.detail-hero .en {
  font-size: 12px;
  opacity: 0.8;
  letter-spacing: 1px;
}

.detail-hero .nm {
  font-size: 20px;
  font-weight: 700;
  margin-top: 6px;
}

.detail-hero .desc {
  font-size: 13px;
  opacity: 0.92;
  margin-top: 8px;
  line-height: 1.7;
}

.feature-row {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.feature-row .ico {
  font-size: 18px;
  margin-right: 12px;
}

.feature-row .txt {
  font-size: 14px;
}

/* ---------- 提示条 ---------- */
.notice {
  background: #fff7e8;
  border: 1px solid #fbe3b6;
  color: #9a6b1f;
  font-size: 12px;
  padding: 10px 14px;
  margin: 12px;
  border-radius: 10px;
  line-height: 1.7;
}

/* ---------- 页脚 ---------- */
.footer {
  text-align: center;
  padding: 20px 16px;
  color: #a3b1bf;
  font-size: 12px;
  line-height: 1.8;
}

.footer .brand {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
}

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-sub);
  font-size: 13px;
}

/* ---------- 转化 CTA ---------- */
.cta-card {
  margin: 14px 12px;
  padding: 20px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary-light));
  color: #fff;
  text-align: center;
  box-shadow: 0 4px 16px rgba(11, 60, 93, 0.2);
}
.cta-card .cta-title {
  font-size: 17px;
  font-weight: 700;
}
.cta-card .cta-sub {
  font-size: 12px;
  opacity: 0.85;
  margin-top: 6px;
}
.cta-card .btn-group {
  padding: 14px 0 0;
}
.cta-card .btn-outline {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

/* ---------- 报价表单 ---------- */
.form-group {
  padding: 10px 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: #f8fafc;
  color: var(--text);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  background: #fff;
}
.form-group textarea {
  resize: vertical;
  min-height: 80px;
}
.form-tip {
  font-size: 12px;
  color: var(--text-sub);
  padding: 4px 16px 12px;
  line-height: 1.7;
}
.form-submit {
  padding: 4px 16px 18px;
}
.form-submit .btn {
  width: 100%;
}

/* ---------- 提交成功 ---------- */
.quote-success {
  text-align: center;
  padding: 30px 20px;
}
.quote-success .ico {
  font-size: 48px;
}
.quote-success .tt {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 10px;
}
.quote-success .ds {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 8px;
  line-height: 1.8;
}