/* ==========================================
   秦皇岛京都伟业装饰工程有限公司 - 全局样式
   VI标准版 · 高端杂志风格 · 绿色环保主题
   v2.0 — 审查升级版
   改进：8px间距系统 / 专业easing / 字体升级 / 统一gap
   ========================================== */

/* --- CSS 变量 (VI标准色 + 设计系统) --- */
:root {
  /* 品牌主色 */
  --color-green: #629C34;
  --color-green-light: #87B82F;
  --color-green-dark: #166B38;
  --color-yellow: #CCE01C;
  --color-yellow-bright: #DCE82E;
  --color-black: #1F1A17;
  --color-black-light: #2D2825;
  --color-black-lighter: #3A3532;

  /* 功能色 */
  --color-bg: #F7F8F4;
  --color-bg-white: #FFFFFF;
  --color-bg-cream: #F2F4EC;
  --color-text: #2A2522;
  --color-text-light: #4A4540;
  --color-text-muted: #8A8580;
  --color-border: #E2E4DA;
  --color-border-light: #EDEEF0;
  --color-overlay: rgba(31, 26, 23, 0.55);

  /* 渐变 */
  --gradient-green: linear-gradient(135deg, #629C34 0%, #87B82F 100%);
  --gradient-green-dark: linear-gradient(135deg, #166B38 0%, #629C34 100%);
  --gradient-yellow: linear-gradient(135deg, #CCE01C 0%, #87B82F 100%);
  --gradient-hero: linear-gradient(180deg, rgba(31,26,23,0.2) 0%, rgba(31,26,23,0.6) 50%, rgba(31,26,23,0.85) 100%);

  /* 字体系统 — Modular Scale 1.25 */
  --font-family: 'LXGW WenKai', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'FZLanTingHeiS-R-GB', 'PingFang SC', 'Noto Serif SC', 'Songti SC', Georgia, serif;
  --font-brand: 'FZLanTingHeiS-R-GB', 'LXGW WenKai', 'PingFang SC', sans-serif;

  /* 8px间距系统 */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-7: 56px;
  --space-8: 64px;
  --space-9: 72px;
  --space-10: 80px;
  --space-12: 96px;
  --space-14: 112px;
  --space-16: 128px;
  --space-18: 144px;

  /* 布局 */
  --max-width: 1400px;
  --nav-height: 84px;
  --section-padding: var(--space-18) 0;
  --section-padding-sm: var(--space-12) 0;

  /* 专业动效 — 快入慢出 */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition: all 0.4s var(--ease-out-expo);
  --transition-fast: all 0.2s var(--ease-out-expo);
  --transition-smooth: all 0.6s var(--ease-in-out);
}

/* --- 重置 & 基础 --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- 全局动画 --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lineGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* --- 滚动触发的淡入 --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

/* --- 导航栏 --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: transparent;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(31, 26, 23, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 4px 32px rgba(31, 26, 23, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--space-2);
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.nav-logo .logo-icon {
  width: 46px;
  height: 46px;
  overflow: hidden;
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
}

.nav-logo .logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-logo .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.nav-logo .brand-text .cn {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 2px;
  font-family: var(--font-brand);
}

.nav-logo .brand-text .en {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 1.5px;
  opacity: 0.7;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-menu a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  position: relative;
  padding: var(--space-1) 0;
  letter-spacing: 1.5px;
  font-weight: 400;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-yellow);
  transition: width 0.4s var(--ease-out-expo);
}

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

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

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Hero 区域 (杂志化全幅) --- */
.hero {
  height: 100vh;
  min-height: 800px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s var(--ease-in-out);
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
  transition: opacity 1.2s var(--ease-in-out), transform 8s var(--ease-in-out);
}

.hero-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 960px;
  padding: 0 var(--space-5);
  animation: fadeInUp 1s var(--ease-out-expo);
}

.hero-content .hero-tagline {
  font-size: 13px;
  color: var(--color-yellow);
  letter-spacing: 10px;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  font-weight: 400;
  opacity: 0.9;
}

.hero-content h1 {
  font-size: 68px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-3);
  letter-spacing: 6px;
  font-family: var(--font-display);
}

.hero-content h1 span {
  color: var(--color-yellow);
  position: relative;
}

.hero-content .hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-7);
  line-height: 2;
  letter-spacing: 1px;
  font-weight: 300;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-content .hero-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* Hero底部装饰线 */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(204,224,28,0.4), transparent);
}

/* 滚动提示 */
.hero-scroll {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}

.hero-scroll .scroll-line {
  width: 1px;
  height: var(--space-5);
  background: linear-gradient(to bottom, rgba(204,224,28,0.6), transparent);
}

/* --- 按钮 --- */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-7);
  font-size: 14px;
  font-family: var(--font-family);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 3px;
  border-radius: 0;
  font-weight: 500;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--gradient-green);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s var(--ease-out-expo);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(98, 156, 52, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
  border-color: var(--color-yellow);
  color: var(--color-yellow);
  background: rgba(204, 224, 28, 0.05);
}

/* --- 板块标题 (杂志化) --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-header .section-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--color-green);
  letter-spacing: 8px;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  position: relative;
  padding: 0 var(--space-5);
  font-weight: 500;
}

.section-header .section-tag::before,
.section-header .section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 48px;
  height: 1px;
  background: var(--color-green);
  opacity: 0.4;
}

.section-header .section-tag::before {
  left: -24px;
}

.section-header .section-tag::after {
  right: -24px;
}

.section-header h2 {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: 4px;
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
  line-height: 1.3;
}

.section-header p {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.9;
}

/* --- 服务卡片 --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.service-card {
  background: var(--color-bg-white);
  padding: var(--space-7) var(--space-4);
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-green);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out-expo);
}

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

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 64px rgba(31, 26, 23, 0.08);
  border-color: var(--color-border);
}

.service-card .icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--color-green);
  border: 1.5px solid var(--color-green);
  border-radius: 50%;
  transition: var(--transition);
  position: relative;
}

.service-card .icon::after {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1px solid rgba(98, 156, 52, 0.2);
  border-radius: 50%;
  transition: var(--transition);
}

.service-card:hover .icon {
  background: var(--gradient-green);
  color: #fff;
  border-color: transparent;
}

.service-card:hover .icon::after {
  inset: -10px;
  border-color: rgba(98, 156, 52, 0.1);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-black);
  letter-spacing: 1px;
}

.service-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* --- 案例卡片 --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.portfolio-card:hover img {
  transform: scale(1.06);
}

.portfolio-card .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-6) var(--space-3) var(--space-4);
  background: linear-gradient(transparent, rgba(31, 26, 23, 0.92));
  color: #fff;
  transform: translateY(24px);
  opacity: 0;
  transition: var(--transition);
}

.portfolio-card:hover .overlay {
  transform: translateY(0);
  opacity: 1;
}

.portfolio-card .overlay h3 {
  font-size: 20px;
  margin-bottom: var(--space-1);
  letter-spacing: 1px;
}

.portfolio-card .overlay span {
  font-size: 13px;
  color: var(--color-yellow);
  letter-spacing: 0.5px;
}

/* --- 数据统计 --- */
.stats-section {
  background: var(--color-black);
  padding: var(--space-14) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: var(--space-8);
  background: var(--gradient-green);
}

.stats-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: var(--space-8);
  background: var(--gradient-green);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-7);
  text-align: center;
}

.stat-item {
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: var(--space-7);
  background: rgba(98, 156, 52, 0.25);
}

.stat-item:last-child::after {
  display: none;
}

.stat-item .stat-number {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-yellow);
  margin-bottom: var(--space-2);
  letter-spacing: 2px;
  font-family: var(--font-display);
}

.stat-item .stat-number span {
  font-size: 36px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* --- 评价区 --- */
.testimonials {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.testimonial-card {
  background: var(--color-bg-white);
  padding: var(--space-7) var(--space-5);
  position: relative;
  transition: var(--transition);
  border: 1px solid var(--color-border-light);
}

.testimonial-card:hover {
  box-shadow: 0 24px 56px rgba(31, 26, 23, 0.06);
  border-color: transparent;
}

.testimonial-card .quote-icon {
  font-size: 64px;
  color: var(--color-green);
  opacity: 0.12;
  line-height: 1;
  margin-bottom: var(--space-3);
  font-family: Georgia, serif;
}

.testimonial-card p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: var(--space-4);
}

.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.testimonial-card .author .avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 18px;
}

.testimonial-card .author .name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-black);
}

.testimonial-card .author .role {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* --- 底部 --- */
.footer {
  background: var(--color-black);
  color: rgba(255, 255, 255, 0.65);
  padding-top: var(--space-14);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-about h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: var(--space-3);
  letter-spacing: 3px;
  font-family: var(--font-display);
}

.footer-about h3 span {
  color: var(--color-yellow);
}

.footer-about p {
  font-size: 14px;
  line-height: 2;
  margin-bottom: var(--space-3);
  color: rgba(255, 255, 255, 0.45);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: var(--space-4);
  position: relative;
  padding-bottom: var(--space-2);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer-links h4::after,
.footer-contact h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--gradient-green);
}

.footer-links ul li {
  margin-bottom: var(--space-2);
}

.footer-links ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-links ul li a:hover {
  color: var(--color-yellow);
  padding-left: var(--space-1);
}

.footer-contact li {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: 14px;
}

.footer-contact li .icon {
  color: var(--color-green);
  flex-shrink: 0;
  width: 22px;
  text-align: center;
}

.footer-bottom {
  padding: var(--space-4) 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 1px;
}

/* --- 页面 Banner --- */
.page-banner {
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  position: relative;
  text-align: center;
  color: #fff;
  margin-top: var(--nav-height);
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(31,26,23,0.3) 0%, rgba(31,26,23,0.7) 100%);
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.page-banner h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 8px;
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
}

.page-banner .breadcrumb {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 1px;
}

.page-banner .breadcrumb a {
  color: var(--color-yellow);
}

/* --- 案例筛选 --- */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-7);
  flex-wrap: wrap;
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  font-size: 14px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition);
  color: var(--color-text);
  font-family: var(--font-family);
  letter-spacing: 1px;
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--color-black);
  color: var(--color-yellow);
  border-color: var(--color-black);
}

/* --- 时间线 --- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-5) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-green), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 48px);
  margin-bottom: var(--space-7);
  position: relative;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 48px);
}

.timeline-item .dot {
  position: absolute;
  left: 50%;
  top: 12px;
  width: 20px;
  height: 20px;
  background: var(--color-bg-white);
  border: 3px solid var(--color-green);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-item .content {
  background: var(--color-bg-white);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-green);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(31, 26, 23, 0.04);
}

.timeline-item .content:hover {
  box-shadow: 0 12px 40px rgba(31, 26, 23, 0.08);
}

.timeline-item:nth-child(even) .content {
  border-left: none;
  border-right: 3px solid var(--color-green);
}

.timeline-item .year {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: var(--space-2);
  letter-spacing: 2px;
  font-family: var(--font-display);
}

.timeline-item h3 {
  font-size: 18px;
  margin-bottom: var(--space-2);
  letter-spacing: 1px;
}

.timeline-item p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- 团队卡片 --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.team-card {
  text-align: center;
  background: var(--color-bg-white);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--color-border-light);
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(31, 26, 23, 0.08);
  border-color: transparent;
}

.team-card .photo {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  color: var(--color-green);
  opacity: 0.5;
  position: relative;
}

.team-card .photo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-green);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out-expo);
}

.team-card:hover .photo::after {
  transform: scaleX(1);
}

.team-card .info {
  padding: var(--space-4) var(--space-3);
}

.team-card .info h3 {
  font-size: 20px;
  margin-bottom: var(--space-1);
  letter-spacing: 1px;
}

.team-card .info .title {
  font-size: 13px;
  color: var(--color-green);
  margin-bottom: var(--space-2);
  letter-spacing: 0.5px;
}

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

/* --- 联系表单 --- */
.contact-section {
  padding: var(--section-padding);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-form .form-group {
  margin-bottom: var(--space-4);
}

.contact-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-black);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  font-size: 15px;
  font-family: var(--font-family);
  transition: var(--transition-fast);
  background: var(--color-bg-white);
  outline: none;
  border-radius: 0;
  letter-spacing: 0.5px;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 4px rgba(98, 156, 52, 0.08);
}

.contact-form textarea {
  height: 180px;
  resize: vertical;
}

/* 表单验证提示 */
.form-group .error-msg {
  font-size: 13px;
  color: #c0392b;
  margin-top: var(--space-1);
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: #c0392b;
}

.form-group.has-error .error-msg {
  display: block;
}

/* 提交成功提示 */
.form-success {
  display: none;
  padding: var(--space-4);
  background: rgba(98, 156, 52, 0.08);
  border: 1px solid var(--color-green);
  color: var(--color-green-dark);
  text-align: center;
  font-size: 15px;
  margin-bottom: var(--space-4);
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.4s var(--ease-out-expo);
}

.contact-info-list li {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.contact-info-list .info-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  flex-shrink: 0;
}

.contact-info-list h4 {
  font-size: 18px;
  margin-bottom: var(--space-1);
  letter-spacing: 0.5px;
}

.contact-info-list p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- 服务详情 --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-14);
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail .image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
  overflow: hidden;
  position: relative;
}

.service-detail .image::after {
  content: '';
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  width: 60px;
  height: 60px;
  border-top: 2px solid var(--color-yellow);
  border-left: 2px solid var(--color-yellow);
  pointer-events: none;
}

.service-detail .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.service-detail:hover .image img {
  transform: scale(1.04);
}

.service-detail .text h3 {
  font-size: 36px;
  margin-bottom: var(--space-3);
  color: var(--color-black);
  letter-spacing: 2px;
  font-family: var(--font-display);
}

.service-detail .text .divider {
  width: 60px;
  height: 2px;
  background: var(--gradient-green);
  margin-bottom: var(--space-4);
}

.service-detail .text p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: var(--space-3);
}

.service-detail .text ul {
  margin-bottom: var(--space-4);
}

.service-detail .text ul li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--color-text-light);
  padding-left: var(--space-3);
  position: relative;
  line-height: 1.8;
}

.service-detail .text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--color-green);
  transform: translateY(-50%) rotate(45deg);
}

/* --- 关于页面简介 --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-intro .image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
  overflow: hidden;
  position: relative;
}

.about-intro .image::after {
  content: '';
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  width: 60px;
  height: 60px;
  border-bottom: 2px solid var(--color-yellow);
  border-right: 2px solid var(--color-yellow);
  pointer-events: none;
}

.about-intro .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro .text h2 {
  font-size: 44px;
  color: var(--color-black);
  margin-bottom: var(--space-3);
  letter-spacing: 2px;
  font-family: var(--font-display);
}

.about-intro .text .divider {
  width: 60px;
  height: 2px;
  background: var(--gradient-green);
  margin-bottom: var(--space-4);
}

.about-intro .text p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: var(--space-3);
}

/* --- 价值观卡片 --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.value-card {
  text-align: center;
  padding: var(--space-9) var(--space-6);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.value-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-green);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out-expo);
}

.value-card:hover::after {
  transform: scaleX(1);
}

.value-card:hover {
  border-color: transparent;
  box-shadow: 0 24px 56px rgba(31, 26, 23, 0.06);
}

.value-card .icon {
  font-size: 44px;
  color: var(--color-green);
  margin-bottom: var(--space-4);
}

.value-card h3 {
  font-size: 22px;
  margin-bottom: var(--space-2);
  letter-spacing: 1px;
}

.value-card p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* --- 案例详情弹窗 --- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(31, 26, 23, 0.88);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--color-bg-white);
  max-width: 1000px;
  width: 92%;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  animation: scaleIn 0.3s var(--ease-out-expo);
}

.modal-close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: var(--space-6);
  height: var(--space-6);
  background: var(--color-black);
  color: var(--color-yellow);
  border: none;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--color-green);
  color: #fff;
}

.modal-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
  overflow: hidden;
}

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

.modal-body {
  padding: var(--space-7);
}

.modal-body h2 {
  font-size: 34px;
  margin-bottom: var(--space-2);
  letter-spacing: 2px;
  font-family: var(--font-display);
}

.modal-body .meta {
  font-size: 15px;
  color: var(--color-green);
  margin-bottom: var(--space-4);
  letter-spacing: 0.5px;
}

.modal-body p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 2;
}

/* --- 返回顶部 --- */
.back-to-top {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  width: 56px;
  height: 56px;
  background: var(--gradient-green);
  color: #fff;
  border: none;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(98, 156, 52, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(98, 156, 52, 0.4);
}

/* --- 资质荣誉 --- */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.honor-card {
  text-align: center;
  padding: var(--space-6) var(--space-3);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.honor-card:hover {
  border-color: var(--color-green);
  box-shadow: 0 12px 32px rgba(31, 26, 23, 0.05);
}

.honor-card .icon {
  font-size: 38px;
  color: var(--color-green);
  margin-bottom: var(--space-2);
}

.honor-card h4 {
  font-size: 16px;
  margin-bottom: var(--space-1);
  letter-spacing: 0.5px;
}

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

/* --- 通用板块间距 --- */
.section {
  padding: var(--section-padding);
}

.section-dark {
  background: var(--color-black);
  color: #fff;
}

.section-dark .section-header h2 {
  color: #fff;
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.5);
}

/* --- CTA 横幅 --- */
.cta-banner {
  background: var(--color-black);
  padding: var(--space-14) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 250px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(204,224,28,0.2), transparent);
}

.cta-banner::before {
  left: 5%;
}

.cta-banner::after {
  right: 5%;
}

.cta-banner h2 {
  font-size: 44px;
  color: #fff;
  letter-spacing: 4px;
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
}

.cta-banner h2 span {
  color: var(--color-yellow);
}

.cta-banner p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-6);
  font-weight: 300;
  letter-spacing: 1px;
}

/* --- 地图占位 --- */
.map-placeholder {
  width: 100%;
  height: 480px;
  background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.2);
  font-size: 16px;
  letter-spacing: 4px;
  margin-top: var(--space-7);
  border: 1px solid rgba(98, 156, 52, 0.15);
}

/* --- 品牌特色条 --- */
.brand-bar {
  background: var(--color-bg-cream);
  padding: var(--space-10) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.brand-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-7);
  text-align: center;
}

.brand-bar-item {
  padding: 0 var(--space-2);
}

.brand-bar-item .number {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
}

.brand-bar-item .label {
  font-size: 14px;
  color: var(--color-text-light);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* --- 响应式 --- */
@media (max-width: 1200px) {
  .hero-content h1 {
    font-size: 56px;
  }
}

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

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .stat-item::after {
    display: none;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .service-detail:nth-child(even) {
    direction: ltr;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .hero-content h1 {
    font-size: 48px;
  }

  .brand-bar-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 72px;
    --section-padding: 96px 0;
  }

  .container {
    padding: 0 var(--space-3);
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: rgba(31, 26, 23, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: var(--space-3) 0;
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-menu a {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content h1 {
    font-size: 36px;
    letter-spacing: 3px;
  }

  .hero-content .hero-tagline {
    font-size: 11px;
    letter-spacing: 5px;
    margin-bottom: var(--space-3);
  }

  .hero-content .hero-desc {
    font-size: 16px;
    margin-bottom: var(--space-5);
  }

  .hero-content .hero-buttons .btn {
    padding: var(--space-2) var(--space-5);
    font-size: 13px;
  }

  .section-header h2 {
    font-size: 36px;
    letter-spacing: 2px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .service-card {
    padding: var(--space-6) var(--space-4);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .stat-item .stat-number {
    font-size: 48px;
  }

  .timeline::before {
    left: var(--space-2);
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 56px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-item .dot {
    left: var(--space-2);
  }

  .timeline-item .content,
  .timeline-item:nth-child(even) .content {
    border-left: 3px solid var(--color-green);
    border-right: none;
  }

  .page-banner {
    height: 340px;
  }

  .page-banner h1 {
    font-size: 36px;
    letter-spacing: 4px;
  }

  .cta-banner h2 {
    font-size: 32px;
  }

  .brand-bar-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .brand-bar-item .number {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .honor-grid {
    grid-template-columns: 1fr;
  }

  .filter-tabs {
    gap: var(--space-1);
  }

  .filter-tab {
    padding: var(--space-2) var(--space-3);
    font-size: 13px;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .hero-content .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .modal-body {
    padding: var(--space-4) var(--space-3);
  }

  .brand-bar-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 咨询 / 预约表单 ========== */
.inquiry-section{
  background:var(--color-bg-white);
  padding:var(--space-8) 0 var(--space-7);
}
.inquiry-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--space-7);
  align-items:start;
}
.inquiry-form .form-group{ margin-bottom:var(--space-3); }
.inquiry-form label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--color-black);
  margin-bottom:var(--space-1);
}
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea{
  width:100%;
  padding:12px 16px;
  border:1px solid var(--color-border);
  border-radius:var(--space-1);
  font-size:15px;
  color:var(--color-text);
  background:var(--color-bg);
  outline:none;
  font-family:inherit;
  transition:border-color .24s ease, box-shadow .24s ease;
}
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus{
  border-color:var(--color-green);
  box-shadow:0 0 0 3px rgba(98,156,52,.15);
}
.inquiry-form textarea{ resize:vertical; min-height:100px; }
.inquiry-form .row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--space-3);
}
.inquiry-form .btn-submit{
  width:100%;
  padding:14px 0;
  background:var(--gradient-green);
  color:#fff;
  border:none;
  border-radius:var(--space-1);
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:opacity .2s ease, transform .15s ease;
}
.inquiry-form .btn-submit:hover{ opacity:.92; transform:translateY(-1px); }
.form-msg{ margin-top:var(--space-2); font-size:14px; display:none; }
.form-msg.ok{ color:var(--color-green-dark); display:block; }
.form-msg.err{ color:#c0392b; display:block; }

.inquiry-side h3{
  font-size:22px;
  color:var(--color-black);
  margin-bottom:var(--space-2);
}
.inquiry-side p{
  color:var(--color-text-light);
  line-height:1.8;
  margin-bottom:var(--space-4);
}
.inquiry-side .contact-card{
  background:var(--color-bg);
  border-radius:12px;
  padding:var(--space-3);
  margin-bottom:var(--space-3);
}
.inquiry-side .contact-card h4{
  font-size:15px;
  color:var(--color-green-dark);
  margin-bottom:var(--space-1);
}
.inquiry-side .contact-card p{
  font-size:14px;
  margin-bottom:0;
}

/* 预约量房表单 */
.appointment-section{ background:var(--color-bg); padding:var(--space-8) 0; }
.appointment-form .form-group{ margin-bottom:var(--space-3); }
.appointment-form label{
  display:block; font-size:14px; font-weight:600;
  color:var(--color-black); margin-bottom:6px;
}
.appointment-form input,
.appointment-form select,
.appointment-form textarea{
  width:100%; padding:11px 14px;
  border:1px solid var(--color-border);
  border-radius:var(--space-1); font-size:15px;
  background:#fff; outline:none;
  transition:border-color .2s;
}
.appointment-form input:focus,
.appointment-form select:focus,
.appointment-form textarea:focus{ border-color:var(--color-green); }
.appointment-form .row{ display:grid; grid-template-columns:1fr 1fr; gap:var(--space-3); }
.appointment-form .btn-submit{
  background:var(--gradient-green-dark);
  color:#fff; border:none; border-radius:var(--space-1);
  padding:13px 0; width:100%;
  font-size:16px; font-weight:600;
  cursor:pointer; transition:opacity .2s;
}
.appointment-form .btn-submit:hover{ opacity:.9; }

/* 上传户型图 */
.upload-area{
  border:2px dashed var(--color-border);
  border-radius:12px;
  padding:var(--space-5);
  text-align:center;
  cursor:pointer;
  transition:border-color .2s, background .2s;
  position:relative;
}
.upload-area:hover,
.upload-area.dragover{
  border-color:var(--color-green);
  background:rgba(98,156,52,.04);
}
.upload-area input[type=file]{
  position:absolute; inset:0; opacity:0; cursor:pointer;
}
.upload-icon{ font-size:36px; color:var(--color-green); margin-bottom:var(--space-1); }
.upload-text{ font-size:14px; color:var(--color-text-muted); }
.upload-filename{ font-size:13px; color:var(--color-green-dark); margin-top:var(--space-1); }

@media(max-width:768px){
  .inquiry-grid{ grid-template-columns:1fr; }
  .inquiry-form .row{ grid-template-columns:1fr; }
  .appointment-form .row{ grid-template-columns:1fr; }
}