/* 温养堂官网 - 全局样式 */
:root {
  --color-gold: #C9A96E;
  --color-gold-dark: #A68B55;
  --color-gold-light: #E8D5B5;
  --color-dark: #1A1A1A;
  --color-dark-secondary: #2D2D2D;
  --color-gray: #6B6B6B;
  --color-gray-light: #9A9A9A;
  --color-bg: #FAF8F5;
  --color-bg-warm: #F5F1EB;
  --color-white: #FFFFFF;
  --color-border: #E8E4DE;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-dark);
  background-color: var(--color-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .subtitle {
  display: block;
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
  font-weight: 500;
}

.section-title h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.section-title p {
  color: var(--color-gray);
  font-size: 15px;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.9;
}

.section-title .divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 20px auto 0;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}

.btn-primary:hover {
  background-color: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 110, 0.25);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-white);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn-outline-dark:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 13px;
}

/* 导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  background-color: transparent;
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header.scrolled .nav-link,
.header.scrolled .phone-number {
  color: var(--color-dark);
}

.header.scrolled .logo-text {
  color: var(--color-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.logo-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.25));
}

.logo-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-white);
}

.logo-text .brand {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: inherit;
  letter-spacing: 1px;
  line-height: 1.2;
}

.logo-text .tagline {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: inherit;
  letter-spacing: 1px;
  line-height: 1.2;
}

.header.scrolled .logo-text .tagline {
  color: var(--color-gray);
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 1px;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.phone-number {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}

.phone-number svg {
  width: 16px;
  height: 16px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: currentColor;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  padding: 20px 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* 页脚 */
.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo-icon {
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.25));
}

.footer-brand .logo-text .brand {
  color: var(--color-white);
}

.footer-brand .logo-text .tagline {
  color: var(--color-white);
}

.footer-desc {
  margin-top: 24px;
  font-size: 14px;
  line-height: 1.9;
  max-width: 320px;
}

.footer-info {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-info-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
}

.footer-info-item svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--color-gold);
  flex-shrink: 0;
}

.footer-title {
  color: var(--color-white);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-map-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.map-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  transition: var(--transition);
}

.map-link:hover {
  background-color: rgba(201, 169, 110, 0.1);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

/* CTA 区域 */
.cta-section {
  background-color: var(--color-dark-secondary);
  padding: 80px 0;
  text-align: center;
  color: var(--color-white);
}

.cta-section h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 12px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin-bottom: 28px;
}

/* 通用卡片 */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

/* 流程步骤 */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 28px;
  position: relative;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--color-gold-light);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 16px;
}

.step-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.step-desc {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
}

/* 评价卡片 */
.review-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 28px;
}

.stars {
  color: var(--color-gold);
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
  margin-bottom: 16px;
}

.review-author {
  font-size: 13px;
  color: var(--color-dark);
  font-weight: 500;
}

/* 案例卡片 */
.case-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.case-label {
  font-size: 12px;
  color: var(--color-gold);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.case-value {
  font-size: 14px;
  color: var(--color-dark);
  line-height: 1.7;
}

/* 表单 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--color-dark);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-label .required {
  color: #E74C3C;
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  color: var(--color-dark);
  font-family: var(--font-sans);
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #E74C3C;
}

.error-msg {
  font-size: 12px;
  color: #E74C3C;
  margin-top: 6px;
  display: none;
}

.error-msg.show {
  display: block;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* 响应式 */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    margin-bottom: 40px;
  }
  
  .section-title h2 {
    font-size: 26px;
  }
  
  .nav {
    display: none;
  }
  
  .header-right .phone-number {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-menu.open {
    display: block;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 13px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .case-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .section-title h2 {
    font-size: 22px;
  }
}