/* ========================================
   高端精致组件库 — 深墨绿 + 香槟金
   ======================================== */

/* ========== 1. 按钮组件 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 14px 36px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-elegant);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: left var(--duration-slow) var(--ease-elegant);
  pointer-events: none;
}

.btn:hover::before {
  left: 100%;
}

/* 主按钮 — 金色渐变 + 深色文字 + 金色光晕 */
.btn-primary {
  background: var(--gradient-gold);
  color: var(--brand-primary);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(201, 169, 98, 0.25),
              0 1px 3px rgba(201, 169, 98, 0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(201, 169, 98, 0.4),
              0 4px 12px rgba(201, 169, 98, 0.2);
  color: var(--brand-primary);
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201, 169, 98, 0.3);
}

/* 描边按钮 — 金色边框 + 透明背景 */
.btn-outline {
  background: transparent;
  color: var(--gold-dark);
  border: 1px solid var(--gold);
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--gold-soft);
  border-color: var(--gold-dark);
  transform: translateY(-3px);
  color: var(--gold-dark);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.15);
}

.btn-outline:active {
  transform: translateY(-1px);
}

/* 白色按钮 */
.btn-white {
  background: #ffffff;
  color: var(--brand-primary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-gold);
  color: var(--gold-dark);
}

/* 深色按钮 */
.btn-dark {
  background: var(--gradient-primary);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
}

.btn-dark:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: var(--gold-light);
  border-color: var(--border-gold);
}

/* 大尺寸按钮 */
.btn-lg {
  padding: 18px 48px;
  font-size: var(--text-lg);
}

/* 小尺寸按钮 */
.btn-sm {
  padding: 10px 24px;
  font-size: var(--text-sm);
}

/* ========== 2. 卡片组件 ========== */
.card {
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: 0 2px 8px rgba(15, 46, 31, 0.04),
              0 1px 3px rgba(15, 46, 31, 0.02);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-elegant);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-elegant);
  opacity: 0;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(15, 46, 31, 0.12),
              0 8px 24px rgba(201, 169, 98, 0.08);
  border-color: var(--border-gold);
}

.card:hover::before {
  transform: scaleX(1);
  opacity: 1;
}

.card-icon {
  margin-bottom: var(--space-md);
  display: block;
  line-height: 1;
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.card-desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.8;
}

/* 深色卡片 */
.card-dark {
  background: var(--gradient-dark-card);
  border: 1px solid rgba(201, 169, 98, 0.18);
  color: var(--text-on-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.card-dark::before {
  opacity: 0.5;
}

.card-dark:hover {
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3),
              0 8px 24px rgba(201, 169, 98, 0.1);
  border-color: rgba(201, 169, 98, 0.4);
}

.card-dark .card-title {
  color: #fff;
}

.card-dark .card-desc {
  color: var(--text-on-dark-muted);
}

/* 服务卡片 — 企业AI落地服务方向样式 */
.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  box-shadow: 0 2px 12px rgba(15, 46, 31, 0.05);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-elegant);
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: pointer;
  padding: var(--space-xl);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-elegant);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 56px rgba(15, 46, 31, 0.14),
              0 8px 24px rgba(201, 169, 98, 0.08);
  border-color: var(--border-gold);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card.featured {
  border: 2px solid var(--gold);
  box-shadow: 0 8px 32px rgba(201, 169, 98, 0.2);
}

.service-card.featured:hover {
  box-shadow: 0 28px 64px rgba(201, 169, 98, 0.32);
}

.service-card-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
  transition: all var(--duration-fast) var(--ease-out);
}

.service-card:hover .service-card-icon-box {
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.25);
}

.service-card-icon-box svg {
  width: 28px;
  height: 28px;
}

.service-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-md) 0;
  line-height: 1.4;
}

.service-card-title strong {
  color: var(--gold-dark);
}

.service-card-desc {
  flex: 1;
  font-size: var(--text-base);
  color: var(--text-muted);
  line-height: 1.85;
  margin: 0 0 var(--space-lg) 0;
}

.service-card-arrow {
  margin-top: auto;
  padding-top: var(--space-md);
  color: var(--gold-dark);
  font-weight: 700;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.02em;
}

.service-card-arrow .arrow-icon {
  transition: transform 0.3s var(--ease-out);
  display: inline-flex;
  align-items: center;
}

.service-card:hover .service-card-arrow .arrow-icon {
  transform: translateX(4px);
}

/* ========== 3. 图标容器 ========== */
.icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  color: var(--gold-dark);
  flex-shrink: 0;
  transition: all var(--duration-normal) var(--ease-elegant);
}

.icon-box svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  stroke: currentColor;
  transition: transform var(--duration-normal) var(--ease-elegant);
}

.icon-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.2);
  border-color: var(--gold);
}

.icon-box:hover svg {
  transform: scale(1.1);
}

/* 深色图标容器 */
.icon-box-dark {
  background: rgba(201, 169, 98, 0.12);
  border-color: rgba(201, 169, 98, 0.25);
  color: var(--gold-light);
}

.icon-box-dark:hover {
  background: rgba(201, 169, 98, 0.2);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.25);
}

/* 大尺寸图标容器 */
.icon-box-lg {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
}

.icon-box-lg svg {
  width: 32px;
  height: 32px;
}

/* ========== 4. 标签 / 徽章 ========== */
.card-tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--gold-dark);
  background: var(--gold-soft);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  letter-spacing: 0.06em;
  border: 1px solid var(--border-gold);
  line-height: 1.4;
}

.card-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin-right: 8px;
}

/* Section 标签 — 胶囊形 + 描边 + 字母间距 */
.section-label {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 8px 24px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  background: var(--gold-soft);
  position: relative;
  line-height: 1.4;
}

.section-label::before,
.section-label::after {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

.section-label::before {
  margin-right: 12px;
}

.section-label::after {
  margin-left: 12px;
}

/* 徽章 — 右上角 */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.badge-gold {
  background: var(--gradient-gold);
  color: var(--brand-primary);
  box-shadow: 0 4px 12px rgba(201, 169, 98, 0.3);
}

.badge-outline {
  background: transparent;
  color: var(--gold-dark);
  border: 1px solid var(--gold);
}

/* ========== 5. 导航栏 ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--duration-normal) var(--ease-elegant);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 24px rgba(15, 46, 31, 0.08);
  border-bottom-color: var(--border-light);
}

/* Hero 模式 — 透明 + 白字 */
.hero-mode .nav {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  border-bottom-color: transparent;
}

.hero-mode .nav.scrolled {
  background: rgba(15, 46, 31, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: rgba(201, 169, 98, 0.2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo {
  height: 44px;
  width: auto;
}

.nav-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--brand-primary);
  transition: color var(--duration-normal) var(--ease-elegant);
  letter-spacing: 0.02em;
}

.hero-mode .nav-brand-text {
  color: #fff;
}

.hero-mode .nav.scrolled .nav-brand-text {
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-elegant);
  text-decoration: none;
  position: relative;
}

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

.hero-mode .nav-links a {
  color: rgba(255, 255, 255, 0.82);
}

.hero-mode .nav-links a:hover,
.hero-mode .nav-links a.active {
  color: var(--gold-light);
  background: rgba(201, 169, 98, 0.12);
}

.hero-mode .nav.scrolled .nav-links a {
  color: rgba(255, 255, 255, 0.82);
}

.hero-mode .nav.scrolled .nav-links a:hover,
.hero-mode .nav.scrolled .nav-links a.active {
  color: var(--gold-light);
  background: rgba(201, 169, 98, 0.12);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-elegant);
  transform-origin: center;
}

.hero-mode .nav-toggle span {
  background: #fff;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links.open {
  background: var(--bg-cream) !important;
}

/* 移动端导航面板 — 桌面端隐藏 */
.mobile-nav-panel {
  display: none;
}

.page-nav .nav {
  background: rgba(255, 255, 255, 0.92) !important;
  box-shadow: 0 2px 24px rgba(15, 46, 31, 0.08) !important;
  border-bottom-color: var(--border-light) !important;
}

.page-nav .nav-brand-text {
  color: var(--brand-primary) !important;
}

.page-nav .nav-links a {
  color: var(--text-secondary) !important;
}

.page-nav .nav-links a:hover,
.page-nav .nav-links a.active {
  color: var(--brand-primary) !important;
  background: var(--brand-primary-soft) !important;
}

.page-nav .nav-toggle span {
  background: var(--text-primary) !important;
}

.page-nav .hero-mode .nav {
  background: rgba(255, 255, 255, 0.92) !important;
  box-shadow: 0 2px 24px rgba(15, 46, 31, 0.08) !important;
}

.page-nav .hero-mode .nav-brand-text {
  color: var(--brand-primary) !important;
}

.page-nav .hero-mode .nav-links a {
  color: var(--text-secondary) !important;
}

.page-nav .hero-mode .nav-links a:hover,
.page-nav .hero-mode .nav-links a.active {
  color: var(--brand-primary) !important;
  background: var(--brand-primary-soft) !important;
}

.page-nav .hero-mode .nav-toggle span {
  background: var(--text-primary) !important;
}

/* ========== 6. 表单元素 ========== */
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-md);
}

.form-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-required {
  color: var(--gold-dark);
  font-weight: 700;
  font-size: 1.1em;
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: 14px 18px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-elegant);
  width: 100%;
  box-sizing: border-box;
  line-height: 1.5;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-medium);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px var(--gold-soft);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-faint);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23c9a962' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-row .form-group {
  margin-bottom: 0;
}

/* 输入框前置/后置图标 */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .form-input {
  padding-left: 48px;
}

.input-group .input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
  pointer-events: none;
  transition: color var(--duration-normal) var(--ease-elegant);
}

.input-group .form-input:focus + .input-icon {
  color: var(--gold-dark);
}

/* ========== 7. 价格展示 ========== */
.price-display {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-family: var(--font-display);
}

.price-amount {
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--gold-dark);
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-currency {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gold-dark);
  margin-right: 2px;
}

.price-original {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--text-faint);
}

.price-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 400;
  margin-left: var(--space-xs);
}

.price-tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: var(--font-display);
  color: #fff;
  background: var(--gradient-primary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  margin-left: var(--space-xs);
}

/* ========== 8. 分隔元素 ========== */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border-light);
  margin: var(--space-lg) 0;
}

.divider-gold {
  width: 60px;
  height: 2px;
  background: var(--gradient-gold);
  margin: 0 auto;
  border-radius: 1px;
  position: relative;
}

.divider-gold::before,
.divider-gold::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.6;
}

.divider-gold::before {
  left: -20px;
}

.divider-gold::after {
  right: -20px;
}

.divider-gold-left {
  margin-left: 0;
}

.divider-gold-left::before {
  display: none;
}

.divider-gold-left::after {
  right: -20px;
}

/* 装饰性圆点 */
.decor-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.decor-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
  transition: opacity var(--duration-normal) var(--ease-elegant);
}

.decor-dots span:nth-child(2) {
  opacity: 0.75;
  width: 10px;
  height: 10px;
}

.decor-dots span:nth-child(3) {
  opacity: 1;
}

/* 渐变分隔条 */
.divider-gradient {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
  margin: var(--space-xl) 0;
}

/* ========== 9. 模态弹窗 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 18, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-elegant);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.25),
              0 8px 24px rgba(0, 0, 0, 0.1);
  transform: scale(0.94) translateY(20px);
  transition: transform var(--duration-normal) var(--ease-elegant);
  border: 1px solid var(--border-light);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-xl) var(--space-xl) 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}

.modal-close {
  background: var(--bg-cream);
  border: 1px solid var(--border-light);
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 8px;
  transition: all var(--duration-normal) var(--ease-elegant);
  line-height: 1;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--gold-soft);
  color: var(--gold-dark);
  border-color: var(--border-gold);
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--space-md) var(--space-xl) var(--space-xl);
}

.modal .product-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.modal .product-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: 4px;
}

.modal .product-tagline {
  color: var(--gold-dark);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.modal .feature-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-md);
}

.modal .feature-list li {
  padding: 10px 0;
  padding-left: 32px;
  position: relative;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.modal .feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 20px;
  height: 20px;
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal .feature-list li::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 10px;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--gold-dark);
  border-bottom: 2px solid var(--gold-dark);
  transform: rotate(-45deg);
}

.modal .comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.modal .comparison-table th,
.modal .comparison-table td {
  padding: 14px 16px;
  border: 1px solid var(--border-light);
  text-align: left;
}

.modal .comparison-table th {
  background: var(--bg-cream);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.modal .modal-cta {
  margin-top: var(--space-md);
  text-align: center;
}

/* ========== 10. 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  color: var(--text-on-dark);
  padding: var(--space-2xl) 0 var(--space-lg);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
}

.footer-brand-desc {
  color: var(--text-on-dark-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  line-height: 1.9;
}

.site-footer h4 {
  color: #fff;
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: 1px;
}

.site-footer h4::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  transform: translate(40px, -3px);
  opacity: 0.6;
  box-shadow: 0 0 8px rgba(201, 169, 98, 0.4);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-on-dark-muted);
  font-size: var(--text-sm);
  transition: all var(--duration-normal) var(--ease-elegant);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  transform: translateX(-6px);
  transition: all var(--duration-normal) var(--ease-elegant);
}

.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 0;
}

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-qrcode {
  width: 110px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-gold);
  margin-bottom: var(--space-sm);
  padding: 6px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: all var(--duration-normal) var(--ease-elegant);
}

.footer-qrcode:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.2);
}

.footer-contact-info {
  color: var(--text-on-dark-muted);
  font-size: var(--text-sm);
  line-height: 2;
}

.footer-contact-info p {
  margin-bottom: 6px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-contact-info .icon-svg {
  color: var(--gold-light);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-on-dark-faint);
  letter-spacing: 0.02em;
}

.footer-bottom p {
  margin: 0;
}

.footer-cta-btn {
  margin-top: var(--space-sm);
}

/* ========== 11. 页面头部 ========== */
.page-header {
  background: var(--gradient-hero);
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  color: #fff;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.page-header .page-header-desc {
  color: var(--text-on-dark-muted);
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  line-height: 1.9;
}

/* ========== 12. 主理人区块 ========== */
.master-block {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.master-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
}

.master-portrait {
  max-width: 320px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  border: 3px solid var(--border-gold);
  padding: 8px;
  background: #fff;
  box-shadow: var(--shadow-md);
}

.master-story {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 2;
}

.master-highlight {
  color: var(--gold-dark);
  font-weight: 700;
  background: var(--gold-soft);
  padding: 2px 8px;
  border-radius: 4px;
}

.master-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--gold-soft);
  color: var(--gold-dark);
  border: 1px solid var(--border-gold);
}

.team-section {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
}

.team-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--brand-primary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.team-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.team-member {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease-elegant);
}

.team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--gold) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  box-shadow: 0 4px 16px rgba(15, 46, 31, 0.2);
}

.team-member h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--brand-primary);
  margin: 0 0 4px 0;
}

.team-member .team-title {
  font-size: var(--text-sm);
  color: var(--gold-dark);
  font-weight: 600;
  margin: 0 0 var(--space-sm) 0;
}

.team-member .team-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.team-summary {
  font-size: var(--text-base);
  color: var(--text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
  padding: var(--space-lg);
  background: var(--gold-soft);
  border-radius: var(--radius-lg);
}

@media (max-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .team-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .team-member {
    padding: var(--space-md);
  }

  .team-avatar {
    width: 64px;
    height: 64px;
    font-size: var(--text-lg);
  }
}

.about-header .section-label {
  display: block;
  margin: 0 auto var(--space-md);
  width: fit-content;
}

.about-header h2 {
  display: block;
}

/* ========== 13. 联系页 ========== */
.contact-intro {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.contact-intro-figure {
  text-align: center;
}

.contact-intro-portrait {
  max-width: 280px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.12));
  animation: float-y 5s ease-in-out infinite;
}

.contact-intro-text h2 {
  text-align: left;
}

.contact-qr-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.contact-qr-card {
  position: relative;
  padding: calc(var(--space-2xl) + 20px) var(--space-xl) var(--space-2xl);
  text-align: center;
  border-radius: var(--radius-2xl);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 20px rgba(15, 46, 31, 0.06);
  transition: all var(--duration-normal) var(--ease-elegant);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
}

.contact-qr-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-elegant);
}

.contact-qr-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(15, 46, 31, 0.12);
  border-color: var(--border-gold);
}

.contact-qr-card:hover::before {
  transform: scaleX(1);
}

.contact-qr-card-recommend {
  border: 2px solid var(--gold);
  box-shadow: 0 8px 32px rgba(201, 169, 98, 0.2);
}

.contact-qr-card-recommend:hover {
  box-shadow: 0 20px 50px rgba(201, 169, 98, 0.3);
}

.qr-recommend-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: var(--brand-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  padding: 6px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(201, 169, 98, 0.3);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.qr-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xs);
  background: var(--gradient-primary);
  box-shadow: var(--shadow-sm);
}

.qr-tagline {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--gold-dark);
}

.qrcode-frame {
  position: relative;
  background: #fff;
  padding: 20px;
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  display: inline-block;
  margin-bottom: var(--space-md);
  width: 240px;
  height: 240px;
  border: 1px solid var(--border-light);
}

.qrcode-frame-recommend {
  box-shadow: 0 10px 32px rgba(201, 169, 98, 0.15);
  border-color: var(--border-gold);
}

.qr-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--gold);
  border-style: solid;
  border-width: 0;
  background: transparent;
}

.qr-corner-tl { top: 12px; left: 12px; border-top-width: 2px; border-left-width: 2px; border-radius: 4px 0 0 0; }
.qr-corner-tr { top: 12px; right: 12px; border-top-width: 2px; border-right-width: 2px; border-radius: 0 4px 0 0; }
.qr-corner-bl { bottom: 12px; left: 12px; border-bottom-width: 2px; border-left-width: 2px; border-radius: 0 0 0 4px; }
.qr-corner-br { bottom: 12px; right: 12px; border-bottom-width: 2px; border-right-width: 2px; border-radius: 0 0 4px 0; }

.qrcode-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

.qr-hint {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-md);
  background: var(--bg-cream);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  display: inline-block;
  border: 1px solid var(--border-light);
}

.qr-account {
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: 4px;
  font-family: var(--font-display);
}

.qr-account-desc {
  color: var(--text-muted);
  font-size: var(--text-xs);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.qr-tip {
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: left;
  width: 100%;
  margin-top: auto;
  background: var(--gold-soft);
}

.qr-tip p:first-child {
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--gold-dark);
}

.qr-tip p:last-child {
  font-size: var(--text-xs);
  line-height: 1.8;
  margin: 0;
  color: var(--text-secondary);
}

/* 联系表单 */
.contact-form-card {
  margin-top: var(--space-2xl);
  padding: var(--space-2xl);
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.contact-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
}

.contact-form-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.contact-form-header-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-sm);
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
}

.contact-form-header-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.contact-submit-btn {
  width: 100%;
  font-size: var(--text-lg);
  font-weight: 700;
  padding: 18px 32px;
  box-shadow: var(--shadow-gold);
  margin-top: var(--space-sm);
  transition: all var(--duration-normal) var(--ease-elegant);
}

.contact-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201, 169, 98, 0.35);
}

.contact-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-gold);
}

.contact-form {
  max-width: 720px;
  margin: 0 auto;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-md);
}

.contact-form .form-row .form-group {
  margin-bottom: 0;
}

.contact-form label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: 10px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: 14px 18px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-elegant);
  width: 100%;
  box-sizing: border-box;
  line-height: 1.5;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px var(--gold-soft);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-faint);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.contact-form input:invalid:not(:placeholder-shown) {
  border-color: #dc2626;
}

.contact-form.success {
  text-align: center;
  padding: var(--space-xl);
}

.contact-form .form-success {
  display: none;
}

.contact-form.success .form-fields {
  display: none;
}

.contact-form.success .form-success {
  display: block;
  animation: fadeInUp 0.5s var(--ease-elegant);
}

.faq-list {
  display: grid;
  gap: var(--space-lg);
}

.faq-item {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--gold);
  transition: all var(--duration-normal) var(--ease-elegant);
}

.faq-item:hover {
  background: var(--bg-white);
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

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

/* 服务承诺 */
.contact-promises {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.promise-item {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg) var(--space-sm);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-elegant);
}

.promise-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-gold);
}

.promise-item .promise-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-xs);
  background: var(--gold-soft);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
}

.promise-item .promise-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.promise-item p {
  margin: 0;
}

.promise-item p:first-of-type {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.promise-item p:last-of-type {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ========== 14. 浮动联系按钮 ========== */
.floating-contact-btn {
  position: fixed;
  right: 28px;
  bottom: 100px;
  z-index: 998;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: var(--brand-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(201, 169, 98, 0.35);
  transition: all var(--duration-normal) var(--ease-elegant);
  font-family: var(--font-display);
  line-height: 1;
  animation: fcb-pulse 2.5s ease-in-out infinite;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.floating-contact-btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  opacity: 0;
  animation: fcb-ring-pulse 2.5s ease-in-out infinite;
}

.floating-contact-btn:hover {
  transform: scale(1.1);
  color: var(--brand-primary);
  box-shadow: 0 12px 40px rgba(201, 169, 98, 0.5);
}

.fcb-icon {
  width: 22px;
  height: 22px;
  margin-bottom: 2px;
  fill: currentColor;
  position: relative;
  z-index: 1;
}

.fcb-text {
  font-size: 10px;
  font-weight: 700;
  text-align: center;
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}

@keyframes fcb-pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(201, 169, 98, 0.35),
                0 0 0 0 rgba(201, 169, 98, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 8px 32px rgba(201, 169, 98, 0.5),
                0 0 0 12px rgba(201, 169, 98, 0.08);
    transform: scale(1.03);
  }
}

@keyframes fcb-ring-pulse {
  0% {
    opacity: 0.6;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.4);
  }
}

/* ========== 15. 移动端底部CTA条 ========== */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
  padding: 12px var(--space-sm);
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 999;
  box-shadow: 0 -4px 20px rgba(15, 46, 31, 0.06);
}

.mobile-cta-bar .btn {
  width: 100%;
}

/* ========== 16. 响应式 ========== */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height, 80px);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 248, 243, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 40px;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-elegant);
    z-index: 9999;
    overflow-y: auto;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: var(--text-xl);
    color: var(--text-primary) !important;
    padding: 12px 24px;
  }

  .nav-links a:hover,
  .nav-links a.active {
    color: var(--brand-primary) !important;
    background: var(--brand-primary-soft) !important;
  }

  .hero-mode .nav-links {
    background: rgba(250, 248, 243, 0.98) !important;
  }

  .hero-mode .nav-links a {
    color: var(--text-primary) !important;
  }

  .hero-mode .nav-links a:hover,
  .hero-mode .nav-links a.active {
    color: var(--brand-primary) !important;
    background: var(--brand-primary-soft) !important;
  }

  .page-nav .nav-links.open {
    opacity: 1 !important;
    visibility: visible !important;
    display: flex !important;
    transform: none !important;
  }

  .page-nav .nav-links a {
    color: var(--text-primary) !important;
  }

  .page-nav .nav-links a:hover,
  .page-nav .nav-links a.active {
    color: var(--brand-primary) !important;
    background: var(--brand-primary-soft) !important;
  }

  .nav-toggle {
    display: flex;
  }

  /* === 移动端导航面板（body 直接子元素，独立于 nav 层叠上下文） === */
  .mobile-nav-panel {
    display: flex;
    position: fixed;
    top: var(--nav-height, 80px);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 248, 243, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 40px;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-elegant);
    z-index: 99999;
    overflow-y: auto;
  }

  .mobile-nav-panel.open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-panel a {
    font-size: var(--text-xl);
    color: var(--text-primary);
    padding: 12px 24px;
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-elegant);
  }

  .mobile-nav-panel a:hover,
  .mobile-nav-panel a.active {
    color: var(--brand-primary);
    background: var(--brand-primary-soft);
  }

  .contact-promises {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .mobile-cta-bar {
    display: block;
  }

  body {
    padding-bottom: 76px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: var(--text-base);
  }

  .card {
    padding: var(--space-lg);
  }

  .modal {
    max-width: 100%;
    margin: var(--space-sm);
    border-radius: var(--radius-xl);
  }

  .modal-header {
    padding: var(--space-lg) var(--space-lg) 0;
  }

  .modal-body {
    padding: var(--space-md);
  }

  .master-block {
    padding: var(--space-lg);
  }

  .contact-qr-row {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
  }

  .contact-promises {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .floating-contact-btn {
    display: none;
  }

  .three-helps-intro {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .three-helps-text h2,
  .three-helps-text p {
    text-align: center;
  }

  .three-helps-portrait {
    max-width: 220px;
  }

  .contact-intro {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }

  .contact-intro-text h2 {
    text-align: center;
  }

  .contact-intro-portrait {
    max-width: 200px;
  }

  .service-card {
    padding: var(--space-xl);
  }

  .service-card-image {
    height: 160px;
  }

  .service-card-content {
    padding: 24px 20px;
  }

  .service-card-icon {
    width: 44px;
    height: 44px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .price-amount {
    font-size: var(--text-3xl);
  }
}