/* ============================================
   合肥诚基立业新能源有限公司 官网共享样式
   主色A深绿 #1B7A4E | 主色B科技蓝 #1A5276 | 强调橙 #E67E22
   版本 v7.5 (2026-09-11) 修复底部CTA区域按钮截断/与悬浮按钮重叠
   ============================================ */

/* ---------- 重置与基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: #2C3E50;
  background: #F5F7FA;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: #1A5276; transition: color .2s; }
a:hover { color: #E67E22; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.4; color: #2C3E50; }

/* ---------- 通用容器 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 70px 0; }
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 32px;
  color: #1B7A4E;
  margin-bottom: 12px;
}
.section-title p {
  color: #7F8C8D;
  font-size: 16px;
}
.section-title .bar {
  width: 60px;
  height: 4px;
  background: #E67E22;
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .25s;
  text-align: center;
}
.btn-primary {
  background: #E67E22;
  color: #fff;
  border-color: #E67E22;
}
.btn-primary:hover {
  background: #D35400;
  border-color: #D35400;
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn-outline:hover {
  background: #fff;
  color: #1B7A4E;
}
.btn-blue {
  background: #1A5276;
  color: #fff;
  border-color: #1A5276;
}
.btn-blue:hover {
  background: #154360;
  border-color: #154360;
  color: #fff;
}
.btn-green {
  background: #1B7A4E;
  color: #fff;
  border-color: #1B7A4E;
}
.btn-green:hover {
  background: #145A32;
  border-color: #145A32;
  color: #fff;
}
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* ---------- 顶部导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  z-index: 1000;
  height: 70px;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #1B7A4E;
}
.nav-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, #1B7A4E, #27AE60);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 10px 16px;
  color: #2C3E50;
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active {
  color: #1B7A4E;
  background: rgba(27,122,78,.08);
}
/* 下拉菜单 */
.nav-dropdown {
  position: absolute;
  top: 100%; left: 0;
  min-width: 200px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  border-radius: 6px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .25s;
}
.nav-menu > li:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  color: #2C3E50;
  font-size: 14px;
}
.nav-dropdown a:hover {
  background: rgba(27,122,78,.06);
  color: #1B7A4E;
}
.nav-cta {
  margin-left: 12px;
}
/* 汉堡按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  width: 26px;
  height: 3px;
  background: #1B7A4E;
  border-radius: 2px;
  transition: .3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }

/* ---------- Hero 首屏 ---------- */
.hero {
  margin-top: 70px;
  background: linear-gradient(135deg, #1B7A4E 0%, #145A32 60%, #0E3D22 100%);
  color: #fff;
  padding: 90px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(230,126,34,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: 44px;
  color: #fff;
  margin-bottom: 20px;
  max-width: 720px;
}
.hero h1 .highlight { color: #F39C12; }
.hero .subtitle {
  font-size: 20px;
  color: rgba(255,255,255,.9);
  margin-bottom: 10px;
}
.hero .small-note {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255,255,255,.85);
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-trust span { display: flex; align-items: center; gap: 8px; }
.hero-trust .dot {
  width: 8px; height: 8px;
  background: #27AE60;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  margin-top: 70px;
  background: #fff;
  padding: 16px 0;
  border-bottom: 1px solid #E5E8EB;
  font-size: 14px;
  color: #7F8C8D;
}
.breadcrumb a { color: #7F8C8D; }
.breadcrumb a:hover { color: #1B7A4E; }
.breadcrumb .sep { margin: 0 8px; color: #BDC3C7; }
.breadcrumb .current { color: #2C3E50; }

/* ---------- 页面头图区（内页） ---------- */
.page-header {
  background: linear-gradient(135deg, #1B7A4E, #1A5276);
  color: #fff;
  padding: 70px 0;
  text-align: center;
}
.page-header h1 { font-size: 36px; color: #fff; margin-bottom: 14px; }
.page-header p { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 8px; }
.page-header .small-note { font-size: 13px; color: rgba(255,255,255,.6); }
.page-header .hero-buttons { justify-content: center; margin-top: 28px; margin-bottom: 0; }

/* ---------- 卡片通用 ---------- */
.card {
  background: #fff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
  transition: transform .25s, box-shadow .25s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,.1);
}
.card-grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- 业务入口卡片 ---------- */
.business-card {
  text-align: center;
  border-top: 4px solid #1B7A4E;
}
.business-card .icon {
  width: 70px; height: 70px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(27,122,78,.1), rgba(26,82,118,.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}
.business-card h3 { font-size: 20px; margin-bottom: 12px; color: #1B7A4E; }
.business-card p { color: #7F8C8D; font-size: 14px; margin-bottom: 18px; }
.business-card .card-link {
  color: #E67E22;
  font-weight: 600;
  font-size: 14px;
}

/* ---------- 信任背书 ---------- */
.trust-item {
  text-align: center;
  padding: 24px 16px;
}
.trust-item .num {
  font-size: 40px;
  font-weight: 800;
  color: #E67E22;
  line-height: 1.2;
}
.trust-item .label {
  font-size: 14px;
  color: #7F8C8D;
  margin-top: 6px;
}

/* ---------- 合作方生态 ---------- */
.partner-strip {
  background: #fff;
  padding: 40px 0;
}
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 40px;
}
.partner-logo-placeholder {
  width: 140px; height: 60px;
  background: linear-gradient(135deg, #ECF0F1, #D5DBDB);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: #95A5A6;
  border: 1px dashed #BDC3C7;
}

/* ---------- 客户案例 ---------- */
.case-card {
  overflow: hidden;
  padding: 0;
}
.case-card .case-img {
  height: 180px;
  background: linear-gradient(135deg, #1B7A4E, #1A5276);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 14px;
  position: relative;
}
.case-card .case-img::after {
  content: '此处替换为真实照片';
  position: absolute;
  bottom: 10px; right: 10px;
  font-size: 11px;
  background: rgba(0,0,0,.3);
  padding: 3px 8px;
  border-radius: 3px;
  color: #fff;
}
.case-card .case-body { padding: 24px; }
.case-card h3 { font-size: 18px; margin-bottom: 8px; }
.case-card .case-meta { font-size: 13px; color: #7F8C8D; margin-bottom: 12px; }
.case-card .case-saving {
  display: inline-block;
  background: rgba(230,126,34,.1);
  color: #E67E22;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
}

/* ---------- 安全承诺区 ---------- */
.safety-section {
  background: linear-gradient(135deg, #1B7A4E, #145A32);
  color: #fff;
}
.safety-section .section-title h2 { color: #fff; }
.safety-section .section-title p { color: rgba(255,255,255,.8); }
.safety-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.safety-item {
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(4px);
}
.safety-item .icon {
  font-size: 36px;
  margin-bottom: 14px;
}
.safety-item h4 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.safety-item p { font-size: 13px; color: rgba(255,255,255,.75); line-height: 1.7; }

/* ---------- 节能测算器 ---------- */
.calculator-wrap {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
  max-width: 900px;
  margin: 0 auto;
}
.calc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.calc-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #2C3E50;
  margin-bottom: 8px;
}
.calc-field select,
.calc-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #D5DBDB;
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  transition: border-color .2s;
}
.calc-field select:focus,
.calc-field input:focus {
  outline: none;
  border-color: #1B7A4E;
  box-shadow: 0 0 0 3px rgba(27,122,78,.1);
}
.calc-result {
  margin-top: 28px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(27,122,78,.05), rgba(26,82,118,.05));
  border-radius: 10px;
  border-left: 4px solid #1B7A4E;
  display: none;
}
.calc-result.show { display: block; }
.calc-result h3 {
  color: #1B7A4E;
  font-size: 20px;
  margin-bottom: 20px;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.result-box {
  background: #fff;
  border-radius: 8px;
  padding: 18px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.result-box .val {
  font-size: 28px;
  font-weight: 800;
  color: #E67E22;
  line-height: 1.2;
}
.result-box .val.green { color: #1B7A4E; }
.result-box .lbl {
  font-size: 13px;
  color: #7F8C8D;
  margin-top: 6px;
}
.share-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 14px;
}
.share-table th, .share-table td {
  padding: 10px 14px;
  text-align: center;
  border-bottom: 1px solid #ECF0F1;
}
.share-table th {
  background: #1B7A4E;
  color: #fff;
  font-weight: 600;
}
.share-table tr:nth-child(even) { background: #F8F9FA; }
.calc-note {
  margin-top: 16px;
  font-size: 12px;
  color: #95A5A6;
  text-align: center;
}

/* ---------- 表单 ---------- */
.form-wrap {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
  max-width: 700px;
  margin: 0 auto;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #2C3E50;
}
.form-group label .req { color: #C0392B; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #D5DBDB;
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1B7A4E;
  box-shadow: 0 0 0 3px rgba(27,122,78,.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
/* 平板/窄桌面：两列表单过早挤压，提前折为单列，避免输入框过窄、按钮贴到悬浮按钮 */
@media (max-width: 900px) {
  .form-row { grid-template-columns: 1fr; gap: 0; }
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: #555;
}
.form-check input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  flex-shrink: 0;
}
.form-error {
  color: #C0392B;
  font-size: 13px;
  margin-top: 5px;
  display: none;
}
.form-error.show { display: block; }
.form-success {
  background: rgba(39,174,96,.1);
  color: #1B7A4E;
  padding: 14px 18px;
  border-radius: 6px;
  margin-bottom: 20px;
  display: none;
}
.form-success.show { display: block; }

/* ---------- 底部留资区 ---------- */
.cta-section {
  background: linear-gradient(135deg, #1A5276, #1B7A4E);
  color: #fff;
  text-align: center;
  padding: 70px 0;
  overflow: hidden; /* 防止极窄屏出现横向滚动截断悬浮按钮 */
}
.cta-section h2 { color: #fff; font-size: 30px; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,.85); margin-bottom: 30px; font-size: 17px; }
/* CTA 表单卡片：与右侧悬浮咨询按钮保持安全间距，避免重叠/被截断 */
.cta-section .form-wrap {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
/* 中大屏：为右侧悬浮按钮预留更多右侧安全区，确保提交按钮/输入框不贴边、不被悬浮按钮压住 */
@media (min-width: 769px) and (max-width: 1280px) {
  .cta-section .container { padding-right: 84px; }
}
@media (max-width: 768px) {
  .cta-section { padding: 50px 0; }
  .cta-section h2 { font-size: 26px; }
  .cta-section p { font-size: 15px; margin-bottom: 24px; }
  .cta-section .container { padding-right: 64px; }
  .cta-section .form-wrap { max-width: 100%; }
}

/* ---------- 页脚 ---------- */
.footer {
  background: #1C2833;
  color: #BDC3C7;
  padding: 50px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
}
.footer .footer-brand p {
  line-height: 1.8;
  margin-bottom: 10px;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: #BDC3C7; font-size: 14px; }
.footer ul li a:hover { color: #27AE60; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #7F8C8D;
}
.footer-bottom a { color: #7F8C8D; }
.footer-bottom a:hover { color: #27AE60; }

/* ---------- 参数表 / 对比表 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.data-table th, .data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid #ECF0F1;
}
.data-table th {
  background: #1B7A4E;
  color: #fff;
  font-weight: 600;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even) { background: #F8F9FA; }
.data-table .highlight-col { background: rgba(230,126,34,.06); }
.data-table .badge-recommend {
  display: inline-block;
  background: #E67E22;
  color: #fff;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 10px;
  margin-left: 6px;
}

/* ---------- 卖点列表 ---------- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-item {
  background: #fff;
  border-radius: 10px;
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
  border-left: 4px solid #1B7A4E;
}
.feature-item .icon {
  font-size: 30px;
  margin-bottom: 14px;
}
.feature-item h4 { font-size: 17px; color: #1B7A4E; margin-bottom: 8px; }
.feature-item p { font-size: 14px; color: #7F8C8D; line-height: 1.7; }

/* ---------- 服务流程 ---------- */
.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  position: relative;
}
.step {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 0 10px;
  position: relative;
}
.step .step-num {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #1B7A4E, #27AE60);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin: 0 auto 14px;
  position: relative;
  z-index: 2;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  left: 60%;
  width: 80%;
  height: 2px;
  background: #D5DBDB;
  z-index: 1;
}
.step h5 { font-size: 14px; color: #2C3E50; margin-bottom: 4px; }
.step p { font-size: 12px; color: #7F8C8D; }

/* ---------- FAQ 折叠面板 ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border-radius: 8px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
  overflow: hidden;
}
.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 15px;
  color: #2C3E50;
  transition: background .2s;
}
.faq-question:hover { background: #F8F9FA; }
.faq-question .arrow {
  transition: transform .3s;
  color: #1B7A4E;
  font-size: 18px;
}
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  padding: 0 24px;
  color: #555;
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}

/* ---------- 图片占位 ---------- */
.img-placeholder {
  background: linear-gradient(135deg, #D5DBDB, #BDC3C7);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7F8C8D;
  font-size: 14px;
  position: relative;
  min-height: 200px;
  border: 1px dashed #95A5A6;
}
.img-placeholder::after {
  content: '此处替换为真实照片';
  position: absolute;
  bottom: 8px; right: 8px;
  font-size: 11px;
  background: rgba(0,0,0,.3);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
}

/* ---------- 资质证书 ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cert-card {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
}
.cert-card .cert-img {
  height: 160px;
  background: linear-gradient(135deg, #F8F9FA, #ECF0F1);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border: 1px solid #E5E8EB;
  font-size: 40px;
  color: #BDC3C7;
}
.cert-card h5 { font-size: 14px; color: #2C3E50; }

/* ---------- 团队展示 ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.team-card .team-avatar {
  height: 200px;
  background: linear-gradient(135deg, #1B7A4E, #1A5276);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  color: rgba(255,255,255,.6);
}
.team-card .team-info { padding: 20px; }
.team-card h4 { font-size: 17px; margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: #E67E22; font-weight: 600; margin-bottom: 8px; }
.team-card p { font-size: 13px; color: #7F8C8D; }

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 12px; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, #1B7A4E, #27AE60);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 36px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px; top: 6px;
  width: 16px; height: 16px;
  background: #E67E22;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #E67E22;
}
.timeline-item .year {
  font-size: 20px;
  font-weight: 700;
  color: #1B7A4E;
  margin-bottom: 6px;
}
.timeline-item p { color: #555; font-size: 15px; }

/* ---------- 合作方分类导航 ---------- */
.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.category-nav button {
  padding: 8px 22px;
  border: 1px solid #D5DBDB;
  background: #fff;
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  color: #555;
  transition: all .2s;
  font-family: inherit;
}
.category-nav button:hover {
  border-color: #1B7A4E;
  color: #1B7A4E;
}
.category-nav button.active {
  background: #1B7A4E;
  color: #fff;
  border-color: #1B7A4E;
}

/* ---------- 商家卡片 ---------- */
.merchant-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.merchant-card {
  background: #fff;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.merchant-card .m-logo {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, #1B7A4E, #27AE60);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  flex-shrink: 0;
}
.merchant-card .m-info h4 { font-size: 16px; margin-bottom: 4px; }
.merchant-card .m-tag {
  display: inline-block;
  background: rgba(26,82,118,.08);
  color: #1A5276;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
}
.merchant-card .m-desc { font-size: 13px; color: #7F8C8D; line-height: 1.6; }

/* ---------- 联系卡片 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}
.contact-card {
  background: #fff;
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.contact-card .icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(27,122,78,.1), rgba(26,82,118,.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}
.contact-card h4 { font-size: 16px; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: #555; }
.contact-card .val { font-size: 18px; font-weight: 700; color: #1B7A4E; }

/* ---------- 地图占位 ---------- */
.map-placeholder {
  height: 360px;
  background: linear-gradient(135deg, #E8F5E9, #D4E6F1);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #555;
  border: 2px dashed #1B7A4E;
  margin-bottom: 40px;
}
.map-placeholder .map-icon { font-size: 48px; margin-bottom: 12px; }
.map-placeholder p { font-size: 15px; margin-bottom: 4px; }
.map-placeholder .addr { font-size: 13px; color: #7F8C8D; }

/* ---------- 改造前后对比 ---------- */
.compare-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}
.compare-box {
  border-radius: 10px;
  padding: 30px;
  text-align: center;
}
.compare-box.before {
  background: #FDEDEC;
  border: 2px solid #E6B0AA;
}
.compare-box.after {
  background: #E9F7EF;
  border: 2px solid #A9DFBF;
}
.compare-box h3 { font-size: 22px; margin-bottom: 16px; }
.compare-box.before h3 { color: #C0392B; }
.compare-box.after h3 { color: #1B7A4E; }
.compare-box .compare-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,.06);
  font-size: 14px;
}
.compare-box .compare-item:last-child { border-bottom: none; }

/* ---------- 免责声明 ---------- */
.disclaimer {
  background: #FEF9E7;
  border-left: 4px solid #F39C12;
  padding: 20px 24px;
  border-radius: 6px;
  margin-top: 30px;
  font-size: 13px;
  color: #7D6608;
  line-height: 1.8;
}

/* ---------- 隐私政策正文 ---------- */
.privacy-content {
  background: #fff;
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  max-width: 900px;
  margin: 0 auto;
}
.privacy-content h2 {
  font-size: 22px;
  color: #1B7A4E;
  margin: 30px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #ECF0F1;
}
.privacy-content h2:first-child { margin-top: 0; }
.privacy-content h3 { font-size: 17px; margin: 20px 0 10px; color: #1A5276; }
.privacy-content p { margin-bottom: 12px; font-size: 15px; color: #444; }
.privacy-content ul { padding-left: 24px; margin-bottom: 14px; }
.privacy-content ul li { list-style: disc; margin-bottom: 6px; font-size: 14px; color: #555; }

/* ---------- Cookie 提示横幅 ---------- */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 600px;
  margin: 0 auto;
  background: #1C2833;
  color: #fff;
  padding: 18px 24px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  z-index: 2000;
  display: none;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}
.cookie-banner.show { display: flex; }
.cookie-banner p { flex: 1; line-height: 1.6; }
.cookie-banner a { color: #27AE60; text-decoration: underline; }
.cookie-banner button {
  background: #E67E22;
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  font-family: inherit;
}
.cookie-banner button:hover { background: #D35400; }

/* ---------- 加载更多按钮 ---------- */
.load-more-wrap { text-align: center; margin-top: 36px; }

/* ---------- 购物车图标 ---------- */
.cart-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 8px 12px;
  margin-left: 8px;
  color: #1B7A4E;
  font-size: 22px;
  border-radius: 6px;
  transition: background .2s;
}
.cart-icon-wrap:hover { background: rgba(27,122,78,.08); }
.cart-badge {
  position: absolute;
  top: 2px; right: 2px;
  background: #E67E22;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* ---------- 购物车侧边栏 ---------- */
.cart-sidebar {
  position: fixed;
  top: 0; right: -420px;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: #fff;
  box-shadow: -4px 0 24px rgba(0,0,0,.15);
  z-index: 2001;
  transition: right .35s ease;
  display: flex;
  flex-direction: column;
}
.cart-sidebar.open { right: 0; }
.cart-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.4);
  z-index: 2000;
  display: none;
}
.cart-overlay.show { display: block; }
.cart-header {
  padding: 20px 24px;
  border-bottom: 1px solid #ECF0F1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1B7A4E;
  color: #fff;
}
.cart-header h3 { color: #fff; font-size: 18px; margin: 0; }
.cart-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}
.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}
.cart-empty {
  text-align: center;
  padding: 60px 20px;
  color: #95A5A6;
}
.cart-empty .icon { font-size: 48px; margin-bottom: 12px; }
.cart-item {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #F0F0F0;
}
.cart-item .ci-img {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, #ECF0F1, #D5DBDB);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.cart-item .ci-info { flex: 1; min-width: 0; }
.cart-item .ci-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.cart-item .ci-spec { font-size: 12px; color: #7F8C8D; margin-bottom: 6px; }
.cart-item .ci-price { color: #E67E22; font-weight: 700; font-size: 15px; }
.cart-item .ci-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.qty-btn {
  width: 26px; height: 26px;
  border: 1px solid #D5DBDB;
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
}
.qty-btn:hover { border-color: #1B7A4E; color: #1B7A4E; }
.qty-val { min-width: 28px; text-align: center; font-size: 14px; }
.ci-remove {
  background: none;
  border: none;
  color: #C0392B;
  font-size: 12px;
  cursor: pointer;
  margin-left: auto;
}
.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid #ECF0F1;
  background: #F8F9FA;
}
.cart-summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 14px;
  color: #555;
}
.cart-summary-row.total {
  font-size: 18px;
  font-weight: 700;
  color: #2C3E50;
  border-top: 1px solid #E5E8EB;
  padding-top: 10px;
  margin-top: 10px;
}
.cart-summary-row.total .val { color: #E67E22; }
.pay-option {
  display: flex;
  gap: 10px;
  margin: 14px 0;
}
.pay-option label {
  flex: 1;
  border: 2px solid #D5DBDB;
  border-radius: 6px;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  font-size: 13px;
  transition: all .2s;
}
.pay-option input[type="radio"] { display: none; }
.pay-option input[type="radio"]:checked + span {
  color: #1B7A4E;
  font-weight: 700;
}
.pay-option label:has(input:checked) {
  border-color: #1B7A4E;
  background: rgba(27,122,78,.05);
}
.cart-checkout-btn {
  width: 100%;
  padding: 14px;
  background: #E67E22;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
}
.cart-checkout-btn:hover { background: #D35400; }
.cart-checkout-btn:disabled {
  background: #BDC3C7;
  cursor: not-allowed;
}
.cart-note {
  font-size: 11px;
  color: #95A5A6;
  text-align: center;
  margin-top: 8px;
}

/* ---------- 支付弹窗 ---------- */
.pay-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  z-index: 3000;
  max-width: 400px;
  width: 90%;
  text-align: center;
  display: none;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.pay-modal.show { display: block; }
.pay-modal h3 { color: #1B7A4E; margin-bottom: 16px; }
.pay-qr {
  width: 200px; height: 200px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #F8F9FA, #ECF0F1);
  border: 2px solid #1B7A4E;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #7F8C8D;
}
.pay-modal .amount {
  font-size: 28px;
  font-weight: 800;
  color: #E67E22;
  margin-bottom: 8px;
}
.pay-modal .pay-tip { font-size: 13px; color: #7F8C8D; margin-bottom: 16px; }
.pay-modal .close-modal {
  background: #ECF0F1;
  border: none;
  padding: 10px 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  color: #555;
}

/* ---------- 灶具商品卡片 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,.12);
}
.product-card .p-img {
  height: 200px;
  background: linear-gradient(135deg, #ECF0F1, #D5DBDB);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  position: relative;
}
.product-card .p-img::after {
  content: '此处替换为真实照片';
  position: absolute;
  bottom: 8px; right: 8px;
  font-size: 11px;
  background: rgba(0,0,0,.3);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
}
.product-card .p-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: #E67E22;
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: 600;
}
.product-card .p-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card h3 { font-size: 17px; margin-bottom: 8px; color: #2C3E50; }
.product-card .p-spec {
  font-size: 13px;
  color: #7F8C8D;
  margin-bottom: 10px;
  line-height: 1.6;
}
.product-card .p-stock {
  font-size: 12px;
  margin-bottom: 10px;
}
.product-card .p-stock.in-stock { color: #27AE60; }
.product-card .p-stock.low-stock { color: #F39C12; }
.product-card .p-price {
  font-size: 24px;
  font-weight: 800;
  color: #E67E22;
  margin-bottom: 14px;
}
.product-card .p-price .unit { font-size: 13px; font-weight: 400; color: #95A5A6; }
.product-card .p-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}
.product-card .p-actions .btn { flex: 1; padding: 10px; font-size: 14px; }

/* ---------- 订单状态流程 ---------- */
.order-status-section { margin-bottom: 50px; }
.order-type-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.order-type-tabs button {
  padding: 10px 24px;
  border: 2px solid #D5DBDB;
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #555;
  transition: all .2s;
  font-family: inherit;
}
.order-type-tabs button.active {
  border-color: #1B7A4E;
  background: #1B7A4E;
  color: #fff;
}
.order-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.order-flow .of-step {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 0 6px;
  position: relative;
}
.order-flow .of-step .of-num {
  width: 40px; height: 40px;
  background: #ECF0F1;
  color: #7F8C8D;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 10px;
  font-size: 15px;
}
.order-flow .of-step .of-label {
  font-size: 13px;
  color: #555;
}
.order-flow .of-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 10px;
  right: -8px;
  color: #BDC3C7;
  font-size: 18px;
}

/* ---------- 合同方案卡片 ---------- */
.contract-plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.contract-plan {
  background: #fff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  border-top: 4px solid #1B7A4E;
}
.contract-plan.recommended { border-top-color: #E67E22; }
.contract-plan .plan-badge {
  display: inline-block;
  background: #E67E22;
  color: #fff;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 10px;
  margin-bottom: 12px;
}
.contract-plan h3 { font-size: 20px; color: #1B7A4E; margin-bottom: 12px; }
.contract-plan ul { padding-left: 20px; }
.contract-plan ul li {
  list-style: disc;
  margin-bottom: 8px;
  font-size: 14px;
  color: #555;
}

/* ---------- 合同预览弹窗 ---------- */
.contract-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 12px;
  z-index: 3000;
  max-width: 800px;
  width: 92%;
  max-height: 85vh;
  display: none;
  flex-direction: column;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.contract-modal.show { display: flex; }
.contract-modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid #ECF0F1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1B7A4E;
  color: #fff;
  border-radius: 12px 12px 0 0;
}
.contract-modal-header h3 { color: #fff; margin: 0; font-size: 18px; }
.contract-modal-close {
  background: none; border: none; color: #fff;
  font-size: 24px; cursor: pointer; line-height: 1;
}
.contract-modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
  font-size: 14px;
  line-height: 1.9;
  color: #333;
}
.contract-modal-body h4 {
  color: #1B7A4E;
  margin: 16px 0 8px;
  font-size: 15px;
}
.contract-modal-body p { margin-bottom: 8px; }
.contract-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid #ECF0F1;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ---------- 合同模板卡片 ---------- */
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.template-card {
  background: #fff;
  border-radius: 10px;
  padding: 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  border-left: 4px solid #1B7A4E;
  display: flex;
  flex-direction: column;
}
.template-card .t-icon {
  font-size: 36px;
  margin-bottom: 14px;
}
.template-card h3 {
  font-size: 18px;
  color: #1B7A4E;
  margin-bottom: 10px;
}
.template-card .t-desc {
  font-size: 14px;
  color: #7F8C8D;
  margin-bottom: 12px;
  flex: 1;
}
.template-card .t-clauses {
  font-size: 13px;
  color: #555;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: #F8F9FA;
  border-radius: 6px;
}
.template-card .t-clauses span {
  display: inline-block;
  margin: 2px 6px 2px 0;
}
.template-card .t-actions {
  display: flex;
  gap: 10px;
}
.template-card .t-actions .btn { flex: 1; padding: 10px; font-size: 14px; }

/* ---------- 打印样式（仅打印时生效） ---------- */
@media print {
  body * { visibility: hidden; }
  #printArea, #printArea * { visibility: visible; }
  #printArea {
    position: absolute;
    left: 0; top: 0;
    width: 100%;
    padding: 40px;
    font-size: 14px;
    line-height: 1.9;
    color: #000;
  }
  #printArea h2 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 24px;
  }
  #printArea h4 {
    font-size: 15px;
    margin: 16px 0 8px;
  }
  #printArea p { margin-bottom: 8px; }
  .no-print { display: none !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .safety-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .merchant-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  /* 中等屏幕启用汉堡菜单，避免导航文字换行错乱 */
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 20px 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,.1);
    transform: translateY(-120%);
    transition: transform .3s;
    gap: 0;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu > li > a { padding: 14px 10px; border-bottom: 1px solid #F0F0F0; }
  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: 20px;
    display: none;
  }
  .nav-menu > li.open .nav-dropdown { display: block; }
  .nav-cta { margin: 12px 0 0; text-align: center; }
}

@media (max-width: 768px) {
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 26px; }
  /* 导航移动端 */
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 20px 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,.1);
    transform: translateY(-120%);
    transition: transform .3s;
    gap: 0;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu > li > a { padding: 14px 10px; border-bottom: 1px solid #F0F0F0; }
  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: 20px;
    display: none;
  }
  .nav-menu > li.open .nav-dropdown { display: block; }
  .nav-cta { margin: 12px 0 0; text-align: center; }
  /* Hero */
  .hero { padding: 60px 0 70px; }
  .hero h1 { font-size: 28px; }
  .hero .subtitle { font-size: 17px; }
  .hero-trust { flex-direction: column; gap: 10px; }
  /* 网格 */
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .merchant-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  /* 测算器 */
  .calc-row { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .compare-wrap { grid-template-columns: 1fr; }
  /* 流程步骤 */
  .step { min-width: 50%; flex: 0 0 50%; margin-bottom: 24px; }
  .step:not(:last-child)::after { display: none; }
  /* 表单 */
  .form-wrap, .calculator-wrap { padding: 24px; }
  .page-header h1 { font-size: 28px; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
  /* 灶具商城 */
  .product-grid { grid-template-columns: 1fr; }
  .contract-plan-grid { grid-template-columns: 1fr; }
  .cart-icon-wrap { margin-left: 0; padding: 8px; }
  .order-flow { flex-direction: column; gap: 12px; }
  .order-flow .of-step:not(:last-child)::after { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .grid-4 { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .btn { padding: 12px 28px; font-size: 15px; }
}

/* ============================================
   新增：右侧悬浮咨询按钮
   ============================================ */
.floating-consult {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.floating-consult .fc-btn {
  writing-mode: vertical-rl;
  text-orientation: upright;
  background: linear-gradient(180deg, #E67E22, #D35400);
  color: #fff;
  border: none;
  padding: 18px 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 4px;
  cursor: pointer;
  border-radius: 8px 0 0 8px;
  box-shadow: -2px 4px 16px rgba(0,0,0,.18);
  transition: all .25s;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
}
.floating-consult .fc-btn:hover {
  background: linear-gradient(180deg, #D35400, #A04000);
  padding-left: 14px;
}
.floating-consult .fc-btn .fc-icon {
  writing-mode: horizontal-tb;
  font-size: 18px;
  margin-bottom: 4px;
}
.floating-consult .fc-phone {
  background: linear-gradient(180deg, #1B7A4E, #145A32);
  margin-top: 2px;
  font-size: 13px;
  letter-spacing: 2px;
  padding: 14px 8px;
}
.floating-consult .fc-phone:hover {
  background: linear-gradient(180deg, #145A32, #0E3D22);
}

/* 中小屏：为右侧悬浮咨询按钮预留右安全区，避免其遮挡正文/卡片内容 */
@media (max-width: 1280px) {
  .container { padding-right: 64px; }
}
@media (max-width: 768px) {
  .container { padding-right: 56px; }
}

/* ============================================
   新增：醒目快速咨询表单区（页面中部）
   ============================================ */
.quick-form-section {
  background: linear-gradient(135deg, #FFF8F0 0%, #FEF5E7 100%);
  border-top: 3px solid #E67E22;
  border-bottom: 3px solid #E67E22;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.quick-form-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(230,126,34,.08) 0%, transparent 70%);
  border-radius: 50%;
}
.quick-form-section .container { position: relative; z-index: 1; }
.quick-form-section .qf-header {
  text-align: center;
  margin-bottom: 36px;
}
.quick-form-section .qf-header h2 {
  font-size: 30px;
  color: #1B7A4E;
  margin-bottom: 10px;
}
.quick-form-section .qf-header h2 .qf-highlight {
  color: #E67E22;
}
.quick-form-section .qf-header p {
  font-size: 17px;
  color: #555;
}
.quick-form-section .qf-badges {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.quick-form-section .qf-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid #E67E22;
  color: #D35400;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
.quick-form-section .form-wrap {
  background: #fff;
  border: 2px solid #F5CBA7;
  box-shadow: 0 8px 32px rgba(230,126,34,.12);
}
.quick-form-section .form-wrap .btn-primary {
  font-size: 18px;
  padding: 16px;
  letter-spacing: 2px;
}

/* 悬浮按钮移动端适配 */
@media (max-width: 768px) {
  .floating-consult .fc-btn {
    font-size: 13px;
    padding: 14px 8px;
    letter-spacing: 2px;
  }
  .floating-consult .fc-btn .fc-icon { font-size: 16px; }
  .quick-form-section { padding: 40px 0; }
  .quick-form-section .qf-header h2 { font-size: 24px; }
  .quick-form-section .qf-header p { font-size: 15px; }
}

/* ========== 全局弹出式咨询表单模态框 ========== */
.consult-modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.55);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  padding: 20px;
  animation: fadeIn .25s ease;
}
.consult-modal-overlay.show {
  display: flex;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.consult-modal {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: slideUp .3s ease;
}
@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.consult-modal-header {
  background: linear-gradient(135deg, #1B5E96 0%, #2980B9 100%);
  color: #fff;
  padding: 24px 28px;
  border-radius: 16px 16px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
}
.consult-modal-header .cm-title {
  display: flex;
  align-items: center;
  gap: 14px;
}
.consult-modal-header .cm-icon {
  font-size: 36px;
  background: rgba(255,255,255,.2);
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.consult-modal-header h3 {
  margin: 0 0 4px 0;
  font-size: 20px;
  font-weight: 700;
}
.consult-modal-header p {
  margin: 0;
  font-size: 13px;
  opacity: .9;
}
.cm-close {
  background: rgba(255,255,255,.2);
  border: none;
  color: #fff;
  font-size: 28px;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background .2s;
  flex-shrink: 0;
}
.cm-close:hover { background: rgba(255,255,255,.35); }
.consult-modal-body {
  padding: 28px;
}
.cm-success {
  display: none;
  background: #E8F5E9;
  color: #1B7A4E;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
  border: 1px solid #A9DFBF;
}
.cm-success.show { display: block; }
.cm-success .cm-success-icon {
  font-size: 40px;
  display: block;
  margin-bottom: 10px;
  line-height: 1;
}
.cm-success .cm-success-title {
  font-size: 20px;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
  color: #145A32;
}
.cm-success .cm-success-desc {
  font-size: 13px;
  color: #1B7A4E;
  opacity: .9;
}
.cm-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.cm-group {
  margin-bottom: 16px;
}
.cm-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #2C3E50;
  margin-bottom: 6px;
}
.cm-group label .req { color: #C0392B; }
.cm-group label .optional {
  font-weight: 400;
  color: #95A5A6;
  font-size: 12px;
}
.cm-group input,
.cm-group select,
.cm-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #D5DBDB;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
  box-sizing: border-box;
  font-family: inherit;
}
.cm-group input:focus,
.cm-group select:focus,
.cm-group textarea:focus {
  outline: none;
  border-color: #2980B9;
  box-shadow: 0 0 0 3px rgba(41,128,185,.15);
}
.cm-group textarea { resize: vertical; min-height: 70px; }
.cm-check {
  margin: 16px 0;
}
.cm-check label {
  font-size: 13px;
  color: #5D6D7E;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
}
.cm-check input[type="checkbox"] {
  margin-top: 2px;
  width: 16px; height: 16px;
  flex-shrink: 0;
}
.cm-check a {
  color: #2980B9;
  text-decoration: none;
}
.cm-check a:hover { text-decoration: underline; }
.cm-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #1B7A4E 0%, #27AE60 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  letter-spacing: 1px;
}
.cm-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27,122,78,.35);
}
.cm-submit:active { transform: translateY(0); }
.cm-hint {
  text-align: center;
  font-size: 12px;
  color: #95A5A6;
  margin: 12px 0 0 0;
}

/* 手机端响应式 - 居中弹窗形式 */
@media (max-width: 768px) {
  .consult-modal-overlay {
    padding: 16px;
    background: rgba(0,0,0,.55);
    align-items: center;
  }
  .consult-modal {
    width: 92%;
    max-width: 92vw;
    max-height: 88vh;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    display: block;
    animation: slideUp .3s ease;
  }
  .consult-modal-header {
    padding: 16px 18px;
    border-radius: 14px 14px 0 0;
    padding-top: calc(16px + env(safe-area-inset-top));
  }
  .consult-modal-header .cm-icon {
    width: 40px; height: 40px;
    font-size: 22px;
  }
  .consult-modal-header h3 { font-size: 17px; }
  .consult-modal-header p { font-size: 12px; }
  .cm-close {
    width: 36px; height: 36px;
    font-size: 26px;
    background: rgba(255,255,255,.25);
  }
  .consult-modal-body {
    padding: 18px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .cm-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .cm-group { margin-bottom: 16px; }
  .cm-group label {
    font-size: 14px;
    margin-bottom: 8px;
  }
  .cm-group label .optional {
    font-weight: 400;
    color: #95A5A6;
    font-size: 12px;
  }
  .cm-group input,
  .cm-group select,
  .cm-group textarea {
    padding: 14px 16px;
    font-size: 16px; /* 防止iOS缩放 */
    border-radius: 10px;
  }
  .cm-group textarea { min-height: 80px; }
  .cm-check {
    margin: 18px 0;
    padding: 12px;
    background: #F8F9FA;
    border-radius: 8px;
  }
  .cm-check label { font-size: 13px; line-height: 1.5; }
  .cm-submit {
    padding: 15px;
    font-size: 16px;
    border-radius: 12px;
  }
  .cm-hint {
    font-size: 12px;
    margin-top: 12px;
  }
  .cm-success {
    padding: 18px;
    font-size: 14px;
    text-align: center;
  }
  .cm-success .cm-success-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 8px;
  }
  .cm-success .cm-success-title {
    font-size: 18px;
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
  }
  /* 悬浮按钮移动端增大触控区域 */
  .floating-consult .fc-btn {
    padding: 16px 10px;
    min-width: 44px;
  }
}

/* 小屏手机 */
@media (max-width: 380px) {
  .consult-modal-header { padding: 14px 16px; }
  .consult-modal-body { padding: 16px; }
  .consult-modal-header h3 { font-size: 16px; }
  .cm-group input,
  .cm-group select,
  .cm-group textarea {
    padding: 12px 14px;
  }
}

/* ============================================================
   新增：营销模块 / 优惠券 / 商城分类 / 推荐有礼页
   ============================================================ */

/* ---------- 首页促销 Banner 横滑区 ---------- */
.promo-section { padding: 40px 0; background: #F4F8F5; }
.promo-banner-scroll {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 6px 4px 14px;
  scroll-snap-type: x mandatory;
}
.promo-banner-scroll::-webkit-scrollbar { height: 8px; }
.promo-banner-scroll::-webkit-scrollbar-thumb { background: #CBD5D0; border-radius: 4px; }
.promo-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  border-radius: 12px;
  padding: 26px 24px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 110px;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
  transition: transform .25s, box-shadow .25s;
}
.promo-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(0,0,0,.18); }
.promo-icon { font-size: 42px; line-height: 1; }
.promo-title { font-size: 19px; font-weight: 700; margin-bottom: 6px; }
.promo-sub { font-size: 13px; opacity: .9; }

/* ---------- 优惠券 ---------- */
.coupon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.coupon-card {
  background: #fff;
  border: 1px solid #E5E8EB;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
  transition: transform .2s, box-shadow .2s;
}
.coupon-card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0,0,0,.1); }
.coupon-face {
  flex: 0 0 120px;
  background: linear-gradient(135deg, #1B7A4E, #27AE60);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 10px;
  position: relative;
}
.coupon-face::after {
  content: '';
  position: absolute;
  right: -7px; top: 50%;
  width: 14px; height: 14px;
  background: #fff;
  border-radius: 50%;
  transform: translateY(-50%);
}
.coupon-value { font-size: 30px; font-weight: 800; }
.coupon-cond { font-size: 12px; margin-top: 6px; opacity: .9; }
.coupon-info {
  flex: 1;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}
.coupon-name { font-size: 16px; font-weight: 700; color: #2C3E50; margin-bottom: 6px; }
.coupon-desc { font-size: 12px; color: #7F8C8D; line-height: 1.5; flex: 1; }
.coupon-valid { font-size: 11px; color: #95A5A6; margin: 8px 0 10px; }
.coupon-btn {
  align-self: flex-start;
  background: #E67E22;
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
.coupon-btn:hover { background: #D35400; }
.coupon-btn.claimed { background: #BDC3C7; cursor: not-allowed; }

/* ---------- 购物车优惠券 ---------- */
.cart-coupon-block { margin: 12px 0; }
.cart-coupon-label { display: block; font-size: 12px; color: #7F8C8D; margin-bottom: 6px; }
.cart-coupon-select {
  width: 100%;
  padding: 10px;
  border: 1px solid #D5DBDB;
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
}

/* ---------- 商城分类筛选栏 ---------- */
.cat-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.cat-filter-btn {
  padding: 9px 18px;
  border: 2px solid #D5DBDB;
  background: #fff;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  color: #555;
  transition: all .2s;
}
.cat-filter-btn:hover { border-color: #1B7A4E; color: #1B7A4E; }
.cat-filter-btn.active {
  background: #1B7A4E;
  border-color: #1B7A4E;
  color: #fff;
  font-weight: 600;
}
.product-card .p-cat-row { margin-bottom: 6px; }
.product-card .p-cat {
  display: inline-block;
  font-size: 11px;
  background: #EAF4EE;
  color: #1B7A4E;
  padding: 2px 8px;
  border-radius: 3px;
}

/* ---------- 推荐有礼页 ---------- */
.invite-hero { padding: 60px 0; }
.invite-card {
  background: #fff;
  border-radius: 14px;
  padding: 36px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
}
.invite-code-row {
  display: flex;
  gap: 12px;
  max-width: 560px;
  margin: 0 auto 20px;
}
.invite-code-row input {
  flex: 1;
  padding: 13px 16px;
  border: 1px solid #D5DBDB;
  border-radius: 8px;
  font-size: 15px;
}
.my-code-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: #F4F8F5;
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 26px;
}
.my-code-label { color: #7F8C8D; font-size: 14px; }
.my-code-value {
  font-size: 26px;
  font-weight: 800;
  color: #E67E22;
  letter-spacing: 2px;
  font-family: "Consolas", monospace;
}
.invite-tabs {
  display: flex;
  gap: 10px;
  justify-content: center;
  border-bottom: 2px solid #ECF0F1;
  margin-bottom: 24px;
}
.invite-tab {
  background: none;
  border: none;
  padding: 12px 22px;
  font-size: 15px;
  cursor: pointer;
  color: #7F8C8D;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}
.invite-tab.active { color: #1B7A4E; font-weight: 700; border-bottom-color: #1B7A4E; }
.share-link-row { display: flex; gap: 10px; max-width: 640px; margin: 0 auto; }
.share-link-row input {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid #D5DBDB;
  border-radius: 8px;
  font-size: 13px;
  background: #F8F9FA;
}
.invite-hint { text-align: center; font-size: 13px; color: #95A5A6; margin-top: 12px; }
.card-preview-wrap, .qr-preview-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
#shareCardCanvas {
  width: 300px;
  height: 450px;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,.15);
}
#qrCanvas {
  width: 260px;
  height: 260px;
  border: 1px solid #ECF0F1;
  border-radius: 12px;
}
.invite-pane .btn { display: block; margin: 0 auto; }
.reward-card { text-align: center; }
.reward-icon { font-size: 40px; margin-bottom: 10px; }
.reward-card h4 { color: #1B7A4E; margin-bottom: 8px; }
.reward-card p { font-size: 14px; color: #7F8C8D; }
.record-list { max-width: 760px; margin: 0 auto; }
.rec-item {
  background: #fff;
  border: 1px solid #ECF0F1;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.rec-main { font-size: 15px; margin-bottom: 4px; }
.rec-store { margin-left: 10px; color: #7F8C8D; font-size: 13px; }
.rec-note {
  margin-left: 8px; font-size: 11px; color: #E67E22;
  border: 1px solid #F5CBA7; padding: 1px 6px; border-radius: 3px;
}
.rec-desc { font-size: 13px; color: #555; margin-bottom: 6px; }
.rec-meta { font-size: 12px; color: #95A5A6; }
.rec-status { margin-left: 8px; padding: 1px 8px; border-radius: 3px; }
.rec-status.done { background: #E9F7EF; color: #27AE60; }
.rec-status.pending { background: #FDF2E9; color: #E67E22; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .coupon-grid { grid-template-columns: 1fr; }
  .promo-card { flex: 0 0 260px; }
}
@media (max-width: 768px) {
  .invite-card { padding: 22px 16px; }
  .invite-code-row { flex-direction: column; }
  .invite-code-row .btn { width: 100%; }
  .share-link-row { flex-direction: column; }
  .invite-tabs { flex-wrap: wrap; }
  .coupon-face { flex: 0 0 96px; }
  .coupon-value { font-size: 24px; }
}



/* 素材图替换占位（2026-09）：隐藏占位水印并铺满图片 */
.case-card .case-img.filled { background-size: cover; background-position: center; background-color: #1B7A4E; }
.case-card .case-img.filled::after { content: none; }
.img-placeholder.filled { background-size: cover; background-position: center; background-color: #D5DBDB; border: 0; }
.img-placeholder.filled::after { content: none; }