* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #c0392b;
  --primary-dark: #a93226;
  --accent: #e67e22;
  --bg: #f7f7f7;
  --text: #333;
  --text-light: #5f5f5f;
  --white: #fff;
  --border: #e8e8e8;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text strong {
  display: block;
  font-size: 17px;
  color: #222;
}

.logo-text small {
  display: block;
  font-size: 12px;
  color: var(--text-light);
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
}

.nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--primary);
}

.hamburger {
  display: none;
  font-size: 26px;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #fdf3f2 0%, #fef7ee 100%);
  padding: 70px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(192,57,43,0.1);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.25;
  color: #222;
  margin-bottom: 18px;
}

.hero .highlight {
  color: var(--primary);
}

.hero-left > p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 36px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(192,57,43,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-ghost:hover {
  background: rgba(192,57,43,0.06);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

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

.btn-block {
  display: block;
  text-align: center;
  width: 100%;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat strong {
  display: block;
  font-size: 28px;
  color: var(--primary);
}

.stat span {
  font-size: 13px;
  color: var(--text-light);
}

.hero-card {
  background: var(--white);
  border-radius: 14px;
  padding: 30px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.hero-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #222;
  margin-bottom: 16px;
  text-align: center;
}

.hero-card-list {
  list-style: none;
  margin-bottom: 22px;
}

.hero-card-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
  color: var(--text);
}

.hero-card-list li:last-child {
  border-bottom: none;
}

/* ===== Section 通用 ===== */
.section {
  padding: 70px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 32px;
  color: #222;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-light);
  font-size: 15px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ===== 优势 ===== */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  transition: all 0.25s;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-4px);
  border-color: transparent;
}

.card-icon {
  font-size: 40px;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #222;
}

.card p {
  font-size: 14px;
  color: var(--text-light);
}

/* ===== 服务 ===== */
.services {
  background: var(--bg);
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 28px;
  transition: all 0.25s;
}

.service-card:hover {
  box-shadow: 0 10px 28px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 36px;
  margin-bottom: 14px;
}

.service-card h3 {
  font-size: 19px;
  color: #222;
  margin-bottom: 10px;
}

.service-card > p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.service-list {
  list-style: none;
}

.service-list li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text);
  position: relative;
  padding-left: 20px;
}

.service-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ===== 价格 ===== */
.price-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 34px 28px;
  text-align: center;
  position: relative;
  transition: all 0.25s;
}

.price-card:hover {
  box-shadow: 0 10px 28px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

.price-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 10px 30px rgba(192,57,43,0.12);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  padding: 4px 16px;
  border-radius: 20px;
}

.price-type {
  font-size: 16px;
  color: #222;
  font-weight: 600;
  margin-bottom: 14px;
}

.price-amount {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.price-amount .cur {
  font-size: 24px;
}

.price-amount .unit {
  font-size: 16px;
  color: var(--text-light);
  font-weight: 400;
}

.price-year {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.price-list {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.price-list li {
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
  position: relative;
  padding-left: 22px;
}

.price-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ===== 朋友圈动态 ===== */
.moments {
  background: linear-gradient(135deg, #fdf3f2 0%, #fef7ee 100%);
}

.moment-card {
  background: var(--white);
  border-radius: 12px;
  padding: 26px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  transition: all 0.25s;
}

.moment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.moment-date {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
}

.moment-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.moment-tags span {
  background: rgba(192,57,43,0.08);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
}

.moment-card p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}

/* ===== 关于 ===== */
.about {
  background: var(--bg);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-left h2 {
  font-size: 32px;
  color: #222;
  margin-bottom: 18px;
}

.about-left p {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.8;
}

.about-tags {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.about-tags span {
  background: rgba(192,57,43,0.08);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
}

.about-fact {
  background: var(--white);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.fact-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

.fact-row span {
  color: var(--text-light);
  flex-shrink: 0;
  margin-right: 16px;
}

.fact-row b {
  text-align: right;
  color: #222;
  font-weight: 600;
}

/* ===== 联系 / 线索收集 ===== */
.contact {
  background: var(--bg);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  background: var(--white);
  border-radius: 14px;
  padding: 30px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}

.contact-info-title {
  font-size: 20px;
  font-weight: 700;
  color: #222;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary);
}

.contact-info-list .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border: none;
  border-bottom: 1px dashed var(--border);
  text-align: left;
  background: transparent;
}

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

.contact-icon {
  font-size: 26px;
  line-height: 1;
  flex-shrink: 0;
}

.contact-item h3 {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 16px;
  color: #222;
  font-weight: 600;
}

/* 表单 */
.lead-form-wrap {
  background: var(--white);
  border-radius: 14px;
  padding: 34px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.08);
}

.lead-form .form-title {
  font-size: 22px;
  font-weight: 700;
  color: #222;
  text-align: center;
  margin-bottom: 6px;
}

.lead-form .form-sub {
  font-size: 13px;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 24px;
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-size: 14px;
  color: #333;
  margin-bottom: 6px;
  font-weight: 500;
}

.form-row .req {
  color: var(--primary);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: #333;
  font-family: inherit;
  outline: none;
  transition: border 0.2s;
  background: #fafafa;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--primary);
  background: #fff;
}

.form-row textarea {
  resize: vertical;
}

.form-tip {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  margin-top: 12px;
}

/* 弹窗 */
.modal-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-mask.show {
  display: flex;
}

.modal-box {
  background: var(--white);
  border-radius: 16px;
  padding: 34px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.modal-box h3 {
  font-size: 22px;
  color: #222;
  margin-bottom: 10px;
}

.modal-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.modal-contact {
  margin-bottom: 16px;
}

.modal-contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fafafa;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 10px;
}

.modal-contact-row span {
  font-size: 13px;
  color: var(--text-light);
}

.modal-contact-row b {
  font-size: 16px;
  color: var(--primary);
}

.copy-btn {
  background: rgba(192,57,43,0.1);
  color: var(--primary);
  border: none;
  padding: 5px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

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

.modal-hint {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 18px;
}

/* 悬浮按钮 */
.float-bar {
  position: fixed;
  right: 16px;
  bottom: 80px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 60px;
  padding: 10px 6px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
  transition: transform 0.2s;
}

.float-btn:hover {
  transform: translateY(-3px);
}

.float-icon {
  font-size: 24px;
}

.float-text {
  font-size: 11px;
  color: #fff;
}

.float-wechat {
  background: #0b7a42;
}

.float-phone {
  background: var(--primary);
}

/* ===== 成交案例滚动 ===== */
.cases {
  background: var(--white);
}

.case-marquee {
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.case-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.case-marquee:hover .case-track {
  animation-play-state: paused;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.case-item {
  flex-shrink: 0;
  background: #fafafa;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-badge {
  display: inline-block;
  align-self: flex-start;
  background: rgba(192,57,43,0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

.case-text {
  font-size: 15px;
  color: #222;
  font-weight: 600;
}

.case-time {
  font-size: 12px;
  color: var(--text-light);
}

/* ===== Footer ===== */
.footer {
  background: #2c2c2c;
  color: #bbb;
  padding: 30px 0;
  text-align: center;
}

.footer p {
  font-size: 13px;
}

.footer-meta {
  margin-top: 8px;
  font-size: 12px;
  color: #9e9e9e;
}

/* ===== 响应式 ===== */
/* ===== 2026-10-16 官网优化：首屏价格锚点 ===== */
.hero-price {
  display: inline-block;
  margin: -14px 0 28px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #fdf1ee;
  border: 1px solid #f3d6cf;
  color: #a93226;
  font-size: 14px;
}

.hero-price strong {
  font-size: 20px;
  margin: 0 2px;
}

/* ===== 2026-10-16 官网优化：FAQ 折叠（缩短移动端长页） ===== */
details.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 18px;
  margin-bottom: 12px;
}

details.faq-item > summary.faq-q {
  cursor: pointer;
  list-style: none;
  padding: 16px 30px 16px 0;
  position: relative;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

details.faq-item > summary.faq-q::-webkit-details-marker { display: none; }

details.faq-item > summary.faq-q::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-weight: 700;
}

details.faq-item[open] > summary.faq-q::after { content: "－"; }

details.faq-item > .faq-a {
  padding: 0 0 16px;
  color: var(--text-light);
  font-size: 15px;
}

details.faq-item > .faq-a p { margin: 0; }

@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .about-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .nav.open { display: flex; }
  .hamburger { display: block; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .float-bar { bottom: 20px; right: 10px; }
  .case-item { min-width: 200px; }
}

/* ICP 备案号 */
.footer-icp a { color: inherit; opacity: 1; text-decoration: none; }
.footer-icp a:hover { opacity: 1; text-decoration: underline; }


/* ==========================================================================
   官网皮肤预览：OpenDesign「Corporate」设计体系（企业/专业风）
   生成：2026-10-16 by AI-ADMIN ｜ 已部署线上（LT-20261016-02）
   令牌来源：design-systems/corporate/DESIGN.md
   Primary #3B82F6 · Text #111827 · Surface #FFFFFF · 字体 Open Sans/Poppins · 8pt 网格
   ========================================================================== */
:root {
  --primary: #3B82F6;        /* Corporate Primary：CTA / 强调 */
  --primary-dark: #2563EB;
  --accent: #8B5CF6;         /* Corporate Secondary */
  --bg: #F9FAFB;
  --text: #111827;           /* Corporate Text */
  --text-light: #4B5563;
  --border: #E5E7EB;
  --white: #fff;
}

html { -webkit-font-smoothing: antialiased; }
body {
  font-family: "Open Sans", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.65;
}
h1, h2, h3, .hero-slogan { letter-spacing: -0.015em; color: var(--text); font-weight: 700; }

/* 头部：白底 + 发丝线 */
.header { background: #fff; box-shadow: none; border-bottom: 1px solid var(--border); }
.nav a { color: var(--text-light); font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--primary); }
.logo-mark { background: var(--primary); border-radius: 10px; }

/* 首屏 */
.hero { background: linear-gradient(180deg, #F9FAFB 0%, #EFF6FF 55%, #fff 100%); }
.hero-badge { background: #EFF6FF; border: 1px solid #BFDBFE; color: #1D4ED8; border-radius: 999px; padding: 6px 14px; }
.hero-seo-title { font-size: clamp(26px, 3.2vw, 42px); line-height: 1.22; }
.hero-price { background: #EFF6FF; border: 1px solid #BFDBFE; color: #1D4ED8; box-shadow: none; }
.hero-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 1px 2px rgba(17,24,39,.05), 0 12px 32px rgba(17,24,39,.07); }
.stat strong { color: var(--primary); font-variant-numeric: tabular-nums; }
.stat span { color: var(--text-light); }

/* 按钮：主行动蓝、次行动中性 */
.btn { border-radius: 10px; font-weight: 600; transition: background .16s ease, box-shadow .16s ease, transform .16s ease; }
.btn-primary { background: var(--primary); box-shadow: 0 1px 2px rgba(17,24,39,.06), 0 4px 12px rgba(59,130,246,.28); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 2px 4px rgba(17,24,39,.06), 0 10px 22px rgba(59,130,246,.32); }
.btn-ghost, .btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover, .btn-outline:hover { background: #F9FAFB; border-color: #D1D5DB; }

/* 区块节奏（8pt 网格） */
.section { padding: 80px 0; }
.section-head h2 { font-size: clamp(22px, 2.4vw, 32px); }
.section-head p, .seo-lead { color: var(--text-light); }

/* 卡片统一语言 */
.card, .service-card, .why-item, .price-card, .moment-card, .case-item,
.contact-item, .about-fact, .fact-row, .lead-form-wrap, .icp-list li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(17,24,39,.04);
}
.card:hover, .service-card:hover, .why-item:hover { box-shadow: 0 1px 2px rgba(17,24,39,.05), 0 12px 28px rgba(17,24,39,.08); }
.card-icon, .service-icon { color: var(--primary); }
.price-card.featured { border-color: #93C5FD; box-shadow: 0 1px 2px rgba(17,24,39,.04), 0 14px 34px rgba(59,130,246,.16); }
.price-badge { background: var(--primary); border-radius: 999px; }
.price-amount { color: var(--text); font-variant-numeric: tabular-nums; }
.price-year, .price-type, .price-list li { color: var(--text-light); }
.case-badge, .moment-tags span, .about-tags span { background: #F3F4F6; border: 1px solid var(--border); color: var(--text-light); border-radius: 999px; }

/* 表单 */
.lead-form input, .lead-form select, .lead-form textarea,
.lead-form-wrap input, .lead-form-wrap select, .lead-form-wrap textarea {
  border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--text);
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,.15); outline: none;
}

/* FAQ 折叠 */
details.faq-item { border: 1px solid var(--border); border-radius: 12px; background: #fff; }
details.faq-item > summary.faq-q { font-weight: 600; color: var(--text); }
details.faq-item > summary.faq-q::after { color: var(--primary); }
details.faq-item > .faq-a { color: var(--text-light); }

/* 页脚：深板岩 */
.footer { background: #111827; color: #D1D5DB; }
.footer-meta { color: #9CA3AF; }
.footer-icp a { color: #9CA3AF; }

/* 浮动按钮 */
.float-wechat { background: #16A34A; }   /* Corporate Success */
.float-phone { background: var(--primary); }
.float-btn { border-radius: 12px; box-shadow: 0 4px 14px rgba(17,24,39,.18); }

/* ===== 2026-10-16 对比度修正（Corporate 皮肤上线后 Lighthouse 无障碍复验，白字底色调深以达到 ≥4.5:1）===== */
.btn-primary { background: #2563EB; }
.btn-primary:hover { background: #1D4ED8; }
.price-badge { background: #2563EB; }
.float-phone { background: #2563EB; }
.float-wechat { background: #15803D; }
/* 2026-10-16 对比度修正②：导航当前项 #3B82F6(3.67) → #1D4ED8(6.3) */
.nav a:hover, .nav a.active { color: #1D4ED8; }