/* ========== 紫宸全屋智能买手店 - 核心样式 ========== */

:root {
  --color-primary: #1A1A2E;       /* 深炭紫 - 主色 */
  --color-primary-light: #2D2D44;
  --color-accent: #D4A857;        /* 琥珀金 - 强调色 */
  --color-accent-light: #E8C97A;
  --color-accent-dark: #B8913E;
  --color-tech: #4A90A4;          /* 青蓝灰 - 科技感 */
  --color-tech-light: #6BB0C4;
  --color-bg: #FAF9F6;            /* 米白背景 */
  --color-bg-warm: #F5F2ED;       /* 暖灰背景 */
  --color-bg-dark: #12121E;       /* 深色背景 */
  --color-text: #2A2A35;          /* 主文字 */
  --color-text-light: #6B6B7A;    /* 次要文字 */
  --color-text-inverse: #F5F2ED;  /* 反白文字 */
  --color-border: #E5E2DB;        /* 边框色 */
  --color-border-light: #EDEBE6;
  
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-nav: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', 'Source Han Sans SC', Arial, sans-serif;
  --font-display: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 8px 40px rgba(26, 26, 46, 0.12);
  --shadow-gold: 0 4px 20px rgba(212, 168, 87, 0.15);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --container: 1280px;
  --nav-height: 80px;
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s; }
ul, ol { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ========== Navigation ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  background: transparent;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.brand-logo::before {
  content: none;
}

.brand-logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
}

.brand-logo img {
  width: auto;
  height: 100%;
  max-height: 44px;
  object-fit: contain;
  display: block;
}

.footer-brand .brand-logo img {
  max-height: 44px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-nav);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.3px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.brand-sub {
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 2px;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-nav);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
  white-space: nowrap;
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.main-nav a:hover {
  color: var(--color-accent-dark);
  background: rgba(212, 168, 87, 0.08);
}

.main-nav a.active {
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 15px;
}

/* 导航下拉菜单 */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropdown-trigger {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-nav);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.nav-dropdown-trigger svg {
  transition: transform 0.25s;
}

.nav-dropdown:hover .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav-dropdown-trigger:hover,
.nav-dropdown:hover .nav-dropdown-trigger {
  color: var(--color-accent-dark);
  background: rgba(212, 168, 87, 0.08);
}

.nav-dropdown-trigger.active {
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 15px;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 1001;
  margin-top: 4px;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.nav-dropdown-menu a:hover {
  background: rgba(212, 168, 87, 0.08);
  transform: translateX(4px);
}

.nav-dropdown-menu a.active {
  background: rgba(212, 168, 87, 0.12);
}

.nav-dropdown-menu a.active .dd-text strong {
  color: var(--color-accent-dark);
}

.dd-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  flex-shrink: 0;
}

.dd-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.dd-text strong {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-nav);
  color: var(--color-text);
  letter-spacing: 0.2px;
}

.dd-text small {
  font-size: 12px;
  font-family: var(--font-nav);
  color: var(--color-text-light);
  margin-top: 2px;
  font-weight: 400;
}

.nav-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  font-family: var(--font-sans);
}

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

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

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

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

.btn-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-dark:hover {
  background: var(--color-primary-light);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all 0.3s;
}

/* ========== Hero Section ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: var(--color-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: brightness(0.7);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(26, 26, 46, 0.9) 0%, 
    rgba(26, 26, 46, 0.6) 50%,
    rgba(26, 26, 46, 0.4) 100%);
}

.hero-light {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 168, 87, 0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: glowFloat 8s ease-in-out infinite;
}

@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  50% { transform: translate(-30px, 20px) scale(1.1); opacity: 0.9; }
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-text-inverse);
  max-width: 760px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(212, 168, 87, 0.15);
  border: 1px solid rgba(212, 168, 87, 0.3);
  border-radius: 100px;
  font-size: 13px;
  color: var(--color-accent-light);
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.hero-tag-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.2vw, 64px);
  color: var(--color-text-inverse);
  margin-bottom: 28px;
  letter-spacing: 2px;
  font-weight: 700;
  line-height: 1.25;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.9;
  font-weight: 400;
  color: rgba(245, 242, 237, 0.78);
  margin-bottom: 44px;
  max-width: 680px;
  letter-spacing: 0.5px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.badge-number {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
}

.badge-label {
  font-size: 13px;
  color: rgba(245, 242, 237, 0.75);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ========== Page Hero (内页用) ========== */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + 100px) 0 80px;
  background: var(--color-primary);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(212, 168, 87, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(74, 144, 164, 0.08) 0%, transparent 40%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-text-inverse);
}

.page-hero-breadcrumb {
  font-size: 13px;
  color: rgba(245, 242, 237, 0.5);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.page-hero-breadcrumb a:hover {
  color: var(--color-accent);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: 24px;
  letter-spacing: 2px;
  line-height: 1.3;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}

.page-hero-desc {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.9;
  font-weight: 400;
  color: rgba(245, 242, 237, 0.72);
  max-width: 760px;
  margin: 0 auto;
  letter-spacing: 0.3px;
}

/* ========== Section Common ========== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--color-bg-warm);
}

.section-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-text-inverse);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--color-accent-dark);
  margin-bottom: 16px;
  text-transform: uppercase;
  font-weight: 500;
}

.section-dark .section-eyebrow {
  color: var(--color-accent);
}

.section-header h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 600;
  letter-spacing: 1.5px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-light);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
  letter-spacing: 0.2px;
}

.section-dark .section-desc {
  color: rgba(245, 242, 237, 0.65);
}

/* ========== Service Cards (核心业务入口) ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 40px 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 168, 87, 0.1), rgba(212, 168, 87, 0.05));
  border-radius: var(--radius-md);
  color: var(--color-accent-dark);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-accent-dark);
  font-weight: 500;
}

.service-card-link svg {
  transition: transform 0.3s;
}

.service-card:hover .service-card-link svg {
  transform: translateX(4px);
}

/* ========== Advantages (核心优势) ========== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.advantage-item {
  text-align: center;
  padding: 40px 24px;
}

.advantage-number {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  color: rgba(212, 168, 87, 0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.section-dark .advantage-number {
  color: rgba(212, 168, 87, 0.25);
}

.advantage-item h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.advantage-item p {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-dark .advantage-item p {
  color: rgba(245, 242, 237, 0.6);
}

/* ========== Case Cards (精选案例) ========== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all 0.4s ease;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.case-card-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-card-img img {
  transform: scale(1.05);
}

.case-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(10px);
  color: var(--color-accent-light);
  font-size: 12px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}

.case-card-body {
  padding: 28px 24px;
}

.case-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.case-meta span {
  font-size: 13px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

.case-meta.case-meta-4 {
  gap: 10px;
  font-size: 12px;
}

.case-meta.case-meta-4 span {
  font-size: 12px;
  white-space: nowrap;
}

.case-config {
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.case-config strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ========== 分页导航 ========== */
.case-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
}

.page-btn:hover:not(.disabled):not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(180, 140, 70, 0.15);
}

.page-btn.disabled,
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-nums {
  display: flex;
  gap: 8px;
}

.page-num {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-num:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-num.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-gold);
}

/* ========== Brand Bar (合作品牌) ========== */
.brand-bar {
  padding: 60px 0;
  background: var(--color-bg-warm);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.brand-bar-title {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-light);
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.brand-bar-title strong {
  color: var(--color-primary);
  font-weight: 600;
}

.brand-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 48px;
}

.brand-logo-item {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-light);
  opacity: 0.6;
  transition: all 0.3s;
  letter-spacing: 0.5px;
}

.brand-logo-item:hover {
  opacity: 1;
  color: var(--color-primary);
}

/* 深色高端品牌滚动栏 */
.brand-bar-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 80px 0;
  border-top: none;
  border-bottom: none;
  position: relative;
  overflow: hidden;
}

.brand-bar-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(212, 168, 87, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(212, 168, 87, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.brand-bar-dark .brand-bar-title {
  color: rgba(255, 255, 255, 0.5);
  position: relative;
  z-index: 1;
}

.brand-bar-dark .brand-bar-title strong {
  color: var(--color-accent);
}

.brand-scroll-wrap {
  position: relative;
  z-index: 1;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.brand-scroll-track {
  display: flex;
  gap: 64px;
  align-items: center;
  animation: brandScroll 40s linear infinite;
  width: max-content;
}

.brand-scroll-wrap:hover .brand-scroll-track {
  animation-play-state: paused;
}

@keyframes brandScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.brand-scroll-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0.7;
  transition: opacity 0.3s;
  min-width: 100px;
  flex-shrink: 0;
}

.brand-scroll-item:hover {
  opacity: 1;
}

.brand-icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
  transition: all 0.3s;
}

.brand-scroll-item:hover .brand-icon-wrap {
  background: rgba(212, 168, 87, 0.15);
  border-color: rgba(212, 168, 87, 0.4);
  transform: translateY(-2px);
}

.brand-icon {
  width: 28px;
  height: 28px;
  opacity: 0.9;
}

.brand-scroll-item span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

/* 品牌Logo容器 */
.brand-logo-box {
  width: 110px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s;
  padding: 8px 12px;
}

.brand-scroll-item:hover .brand-logo-box {
  background: rgba(212, 168, 87, 0.12);
  border-color: rgba(212, 168, 87, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.brand-wordmark {
  color: var(--color-accent);
  text-align: center;
  line-height: 1.15;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 100%;
}

.bw-zh {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: var(--font-serif);
}

.bw-en {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.85;
}

.bw-en-lg {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: var(--font-sans);
}

.bw-en-bold {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  font-family: var(--font-sans);
}

.bw-en-modern {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: -0.5px;
  font-family: var(--font-sans);
}

.bw-en-serif {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 1.5px;
  font-family: var(--font-serif);
}

.bw-zh-bold {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-serif);
}

.bw-en-sm {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  opacity: 0.8;
}

.bw-zh-sm {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-top: 1px;
  opacity: 0.9;
}

.bw-en-italic {
  font-size: 11px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.5px;
  font-family: var(--font-serif);
  line-height: 1.2;
}

.bw-en-black {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -1px;
  font-family: var(--font-sans);
}

/* 各品牌独特色调微调 */
.brand-haier .bw-zh { color: #e8c98a; }
.brand-casarte .bw-en { color: #d4a857; font-size: 13px; letter-spacing: 2px; font-weight: 300; }
.brand-casarte .bw-zh-sm { color: #e8c98a; font-size: 12px; font-weight: 600; }
.brand-huawei .bw-zh { color: #d4a857; }
.brand-hikvision .bw-en-lg { color: #e5c585; letter-spacing: 2px; font-size: 14px; }
.brand-ruijie .bw-en-bold { color: #d4a857; font-size: 16px; letter-spacing: 2px; }
.brand-aqara .bw-en-modern { color: #e8d5a8; font-weight: 200; }
.brand-cdn .bw-en-bold { color: #d4a857; font-size: 20px; letter-spacing: 1px; }
.brand-philips .bw-en-serif { color: #e8c98a; letter-spacing: 2px; font-size: 15px; }
.brand-mijia .bw-zh-bold { color: #d4a857; }
.brand-siemens .bw-en-lg { color: #e5c585; letter-spacing: 2px; font-size: 13px; font-weight: 600; }
.brand-harman .bw-en-italic { color: #e8d5a8; font-size: 10px; letter-spacing: 0.3px; }
.brand-jbl .bw-en-black { color: #d4a857; font-size: 22px; letter-spacing: 0; }

/* ========== 案例轮播 ========== */
.case-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
}

.carousel-viewport {
  flex: 1;
  overflow: hidden;
  scroll-behavior: smooth;
}

.carousel-track {
  display: flex;
  gap: 28px;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-carousel-card {
  flex: 0 0 calc((100% - 56px) / 3);
  min-width: 0;
  margin-bottom: 0;
}

.carousel-btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.carousel-btn:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: scale(1.08);
  box-shadow: var(--shadow-gold);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: none;
}

.carousel-prev {
  margin-right: 4px;
}

.carousel-next {
  margin-left: 4px;
}

.carousel-dots {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s;
}

.carousel-dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

.carousel-dot:hover:not(.active) {
  background: var(--color-text-light);
}

/* 轮播区域底部留出指示器空间 */
.section .case-carousel {
  margin-bottom: 48px;
}

/* ========== 重庆服务地图 ========== */
.cq-map-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 600px;
  background: linear-gradient(145deg, #0f1826 0%, #162033 50%, #0d1421 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 168, 87, 0.15);
  box-shadow: var(--shadow-md), inset 0 0 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.cq-map {
  width: 100%;
  height: 100%;
  display: block;
}

.map-district {
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-origin: center;
}

.map-district:hover {
  filter: url(#glow) brightness(1.15);
  stroke-width: 2.5px;
  transform: scale(1.03);
}

.map-district.core:hover {
  fill: #f0d8a8 !important;
  stroke: #f0d8a8 !important;
}

.map-district.secondary:hover {
  fill: rgba(212, 168, 87, 0.5) !important;
  stroke: #d4a857 !important;
}

.district-label {
  font-size: 13px;
  font-weight: 500;
  text-anchor: middle;
  pointer-events: none;
  transition: all 0.3s;
  font-family: var(--font-sans);
}

.district-label.core {
  fill: #1a1a2e;
  font-weight: 600;
}

.district-label.secondary {
  fill: rgba(255, 255, 255, 0.65);
  font-weight: 400;
}

.map-district:hover + .district-label,
.map-district:hover ~ .district-label {
  fill: #f0d8a8 !important;
  font-weight: 700;
}

.river-line {
  pointer-events: none;
  opacity: 0.5;
}

/* 地图图例 */
.map-legend {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(15, 24, 38, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(212, 168, 87, 0.2);
  border-radius: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

.legend-core {
  background: linear-gradient(135deg, #e8c98a, #b8945a);
  box-shadow: 0 0 8px rgba(212, 168, 87, 0.5);
}

.legend-secondary {
  background: linear-gradient(135deg, #4a5568, #2d3748);
  border: 1px solid #5a6578;
}

/* 悬停提示 */
.map-tooltip {
  position: absolute;
  padding: 10px 16px;
  background: rgba(212, 168, 87, 0.95);
  color: #1a1a2e;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -100%) translateY(-10px);
  transition: all 0.25s ease;
  z-index: 10;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(212, 168, 87, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.map-tooltip.visible {
  opacity: 1;
  transform: translate(-50%, -100%) translateY(0);
}

.map-tooltip::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid rgba(212, 168, 87, 0.95);
}

.tooltip-name {
  font-size: 14px;
  font-weight: 700;
}

.tooltip-type {
  font-size: 11px;
  font-weight: 500;
  opacity: 0.8;
}

/* 区域统计 */
.area-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 40px;
  background: var(--color-bg-warm);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  min-width: 160px;
}

.area-stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-serif);
  line-height: 1;
}

.area-stat-label {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 8px;
}

/* ========== Feature Section (图文交错) ========== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 100px;
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row.reverse .feature-img {
  order: 2;
}

.feature-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-lg);
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.1) 0%, transparent 50%);
}

.feature-content .section-eyebrow {
  margin-bottom: 12px;
}

.feature-content h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: 1.5px;
  line-height: 1.3;
  margin-bottom: 24px;
}

.feature-content > p {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.85;
  letter-spacing: 0.2px;
  margin-bottom: 28px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-list-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-accent-dark);
  margin-top: 3px;
}

.feature-list-item h4 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.feature-list-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ========== Stats Bar ========== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 60px 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent-dark);
  line-height: 1;
  margin-bottom: 8px;
}

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

/* ========== Price Cards ========== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.price-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all 0.3s;
  position: relative;
}

.price-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-gold);
}

.price-card.featured::before {
  content: '热门选择';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
}

.price-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.price-card .price-sub {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.price-value {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 4px;
}

.price-unit {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-light);
}

.price-features li {
  font-size: 14px;
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.price-features li svg {
  flex-shrink: 0;
  color: var(--color-accent-dark);
  margin-top: 3px;
}

.price-note {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: var(--color-text-light);
}

/* ========== Process Steps ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: #fff;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent-dark);
  position: relative;
  z-index: 1;
}

.section-dark .step-number {
  background: rgba(212, 168, 87, 0.1);
}

.step-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  color: var(--color-text);
}

.section-dark .step-title {
  color: var(--color-text-inverse);
}

.step-desc {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-light);
  line-height: 1.6;
}

.section-dark .step-desc {
  color: rgba(245, 242, 237, 0.5);
}

/* ========== Filter Tabs ========== */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.filter-tab {
  padding: 10px 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-sans);
}

.filter-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.filter-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
  font-weight: 500;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item:hover {
  border-color: var(--color-accent);
}

.faq-question {
  padding: 24px 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.faq-question h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.faq-question svg {
  flex-shrink: 0;
  color: var(--color-accent-dark);
  transition: transform 0.3s;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 2;
}

/* ========== CTA Banner ========== */
.cta-banner {
  position: relative;
  padding: 80px 0;
  background: var(--color-primary);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(212, 168, 87, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 20%, rgba(74, 144, 164, 0.08) 0%, transparent 40%);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-text-inverse);
}

.cta-content h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: 1.5px;
  line-height: 1.3;
  color: var(--color-text-inverse);
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.cta-content p {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  color: rgba(245, 242, 237, 0.72);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-phone {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-accent);
  margin-top: 24px;
  letter-spacing: 1px;
}

/* ========== Contact Info & Form ========== */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 1.5px;
  line-height: 1.3;
  margin-bottom: 32px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-item {
  display: flex;
  gap: 20px;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(212, 168, 87, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
}

.contact-info-item h4 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.contact-info-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.contact-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}

.contact-form-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.contact-form-card > p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  transition: all 0.3s;
  background: var(--color-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(212, 168, 87, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ========== Map ========== */
.map-placeholder {
  width: 100%;
  height: 360px;
  background: var(--color-bg-warm);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-light);
}

.map-placeholder svg {
  margin-bottom: 16px;
  color: var(--color-accent-dark);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(245, 242, 237, 0.6);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  margin-bottom: 20px;
}

.footer-brand .brand-name {
  color: var(--color-text-inverse);
}

.footer-brand .brand-sub {
  color: rgba(245, 242, 237, 0.5);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 24px;
}

.footer-contact-mini {
  font-size: 13px;
  color: var(--color-accent);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--color-text-inverse);
  margin-bottom: 24px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(245, 242, 237, 0.6);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-contact-item {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer-contact-item strong {
  display: block;
  color: var(--color-text-inverse);
  font-weight: 500;
  margin-bottom: 4px;
}

.footer-bottom {
  padding: 24px 0;
  font-size: 13px;
  color: rgba(245, 242, 237, 0.4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== Module Cards (业务详情页模块) ========== */
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.module-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all 0.3s;
}

.module-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.module-card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 168, 87, 0.15), rgba(74, 144, 164, 0.1));
  border-radius: var(--radius-sm);
  color: var(--color-accent-dark);
}

.module-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.module-card p {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ========== Spec Table ========== */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.spec-item {
  padding: 28px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  text-align: center;
}

.spec-value {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 8px;
}

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

/* ========== Promise Cards ========== */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.promise-card {
  padding: 40px 28px;
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s;
}

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

.promise-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 50%;
  color: var(--color-primary);
}

.promise-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.promise-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ========== Certifications ========== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s;
}

.cert-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.cert-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 168, 87, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-accent-dark);
}

.cert-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.cert-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cert-card li {
  font-size: 14px;
  color: var(--color-text-light);
  padding-left: 18px;
  position: relative;
}

.cert-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ========== Four Pillars (安防四大板块) ========== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pillar-card {
  position: relative;
  padding: 40px 36px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at top right, rgba(212, 168, 87, 0.1) 0%, transparent 70%);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.pillar-number {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: rgba(212, 168, 87, 0.2);
  line-height: 1;
  margin-bottom: 16px;
}

.pillar-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.pillar-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.9;
  position: relative;
  z-index: 1;
}

.pillar-features {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.pillar-feature-tag {
  padding: 4px 12px;
  background: var(--color-bg-warm);
  border-radius: 100px;
  font-size: 12px;
  color: var(--color-text-light);
}

/* ========== Service Area ========== */
.area-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.area-tag {
  padding: 12px 0;
  text-align: center;
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  transition: all 0.3s;
}

.area-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.area-tag.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-accent);
  font-weight: 500;
}

/* ========== About Team ========== */
.team-departments {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.dept-card {
  padding: 32px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  text-align: center;
  transition: all 0.3s;
}

.dept-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.dept-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 168, 87, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-accent-dark);
}

.dept-card h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.dept-card p {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .service-grid,
  .advantage-grid,
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .price-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .pillar-grid {
    grid-template-columns: 1fr;
  }
  
  .cert-grid {
    grid-template-columns: 1fr;
  }
  
  .spec-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .promise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .feature-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .feature-row.reverse .feature-img {
    order: 0;
  }
  
  .contact-section {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .team-departments {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .area-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(250, 249, 246, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
  }
  
  .main-nav.open {
    transform: translateY(0);
  }
  
  .main-nav a {
    padding: 14px 16px;
    width: 100%;
    font-size: 16px;
    font-weight: 500;
  }
  
  .nav-cta {
    display: none;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .service-grid,
  .advantage-grid,
  .case-grid,
  .module-grid,
  .spec-grid,
  .promise-grid,
  .team-departments {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-badges {
    gap: 10px;
  }
  
  .badge-item {
    padding: 10px 14px;
  }
  
  .badge-number {
    font-size: 20px;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .page-hero {
    padding: calc(var(--nav-height) + 60px) 0 60px;
  }
  
  .hero h1 {
    font-size: clamp(28px, 7vw, 40px);
    letter-spacing: 1px;
    line-height: 1.3;
  }
  
  .hero-subtitle {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 32px;
  }
  
  .page-hero h1 {
    font-size: clamp(26px, 6vw, 36px);
    letter-spacing: 1px;
    line-height: 1.35;
  }
  
  .page-hero-desc {
    font-size: 15px;
    line-height: 1.8;
  }
  
  .area-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form-card {
    padding: 28px 20px;
  }
  
  .cta-actions {
    flex-direction: column;
  }
  
  .cta-actions .btn {
    width: 100%;
  }
}

/* Scroll reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}