/* ===================================
   金地威新科技园 - 项目详情页样式
   复用主站设计语言，延续品牌调性
   =================================== */

/* ---- CSS变量（继承主站） ---- */
:root {
  --primary: #0a3d7c;
  --primary-light: #1557a8;
  --primary-dark: #06285a;
  --accent: #e8a020;
  --accent-hover: #d4901a;
  --text-main: #1a1a2e;
  --text-sub: #555577;
  --text-light: #888;
  --bg-white: #ffffff;
  --bg-light: #f5f7fb;
  --bg-dark: #0d1b3e;
  --border: #e0e6f0;
  --shadow: 0 4px 24px rgba(10,61,124,0.10);
  --shadow-hover: 0 8px 40px rgba(10,61,124,0.18);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --header-height: 72px;
}

/* ---- 全局重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-main);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- 通用按钮 ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,160,32,0.35);
  color: #fff;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 2px solid #fff;
  color: #fff;
  padding: 11px 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: #fff;
  color: var(--primary);
  transform: translateY(-2px);
}

/* ---- Section 通用头部 ---- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header.light .section-tag,
.section-header.light .section-title,
.section-header.light .section-subtitle { color: rgba(255,255,255,0.9); }
.section-header.light .section-tag { color: var(--accent); }
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-header.light .section-title { color: #fff; }
.section-subtitle {
  font-size: 16px;
  color: var(--text-sub);
}
.section-header.light .section-subtitle { color: rgba(255,255,255,0.7); }


/* ============================
   导航
   ============================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  background: transparent;
}
.header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(10,61,124,0.12);
}
.header.scrolled .nav-link { color: var(--text-main); }
.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active { color: var(--primary); }
/* Logo */
.header.scrolled .btn-call { color: var(--primary); border-color: var(--primary); }
.header.scrolled .logo-img { filter: none; }
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 40px;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  height: 100%;
}
.logo-img {
  height: 60px;
  width: auto;
  display: block;
  object-fit: contain;
  min-width: 200px;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 16px; right: 16px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 1px;
}
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-link:hover, .nav-link.active { color: #fff; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-call {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 8px 16px;
  border-radius: 4px;
  transition: all var(--transition);
}
.btn-call svg { width: 14px; height: 14px; }
.btn-call:hover { background: rgba(255,255,255,0.1); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}
.header.scrolled .hamburger span { background: var(--text-main); }


/* ============================
   Hero Banner
   ============================ */
.hero-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,40,90,0.75) 0%, rgba(10,61,124,0.55) 50%, rgba(13,27,62,0.70) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 800px;
  padding: 0 32px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 32px;
  color: rgba(255,255,255,0.7);
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current { color: #fff; }
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 2px;
  text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.htag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.95);
  transition: all var(--transition);
}
.htag svg { width: 16px; height: 16px; }
.htag:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}


/* ============================
   项目概览
   ============================ */
.overview {
  padding: 100px 0 80px;
  background: var(--bg-light);
}
.overview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.overview-text p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.overview-text p:last-child { margin-bottom: 0; }
.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.ov-stat {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: all var(--transition);
}
.ov-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.ov-num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}
.ov-label {
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 500;
}


/* ============================
   园区实景 - 画廊
   ============================ */
.gallery {
  padding: 100px 0 80px;
}
.gallery-featured {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.gallery-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16/7;
  overflow: hidden;
}
.gallery-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.gallery-slide.active { opacity: 1; }
.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 40px 24px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-size: 15px;
  font-weight: 500;
}
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  font-size: 18px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.gallery-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.1);
}
.gallery-prev { left: 16px; }
.gallery-next { right: 16px; }
.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.gdot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: all var(--transition);
}
.gdot.active {
  background: var(--accent);
  width: 28px;
  border-radius: 5px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.gallery-extra {
  margin-bottom: 0;
}
.gallery-thumb {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-thumb:hover img {
  transform: scale(1.08);
}
.thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(6,40,90,0.7));
  display: flex;
  align-items: flex-end;
  padding: 12px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-thumb:hover .thumb-overlay { opacity: 1; }


/* ============================
   灯箱
   ============================ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.lightbox.open { display: flex; }
.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 36px;
  color: #fff;
  z-index: 10;
  transition: opacity var(--transition);
}
.lightbox-close:hover { opacity: 0.7; }
.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  color: rgba(255,255,255,0.8);
  padding: 16px;
  z-index: 10;
  transition: color var(--transition);
}
.lightbox-prev:hover, .lightbox-next:hover { color: #fff; }
.lightbox-prev { left: 8px; }
.lightbox-next { right: 8px; }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}
.lightbox-counter {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  margin-top: 12px;
}


/* ============================
   交通配套
   ============================ */
.traffic {
  position: relative;
  padding: 100px 0 80px;
}
.traffic-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%);
  z-index: 0;
}
.traffic .container { position: relative; z-index: 1; }
.traffic-map {
  max-width: 800px;
  margin: 0 auto 48px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.traffic-map img {
  width: 100%;
  height: auto;
  display: block;
}
.traffic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.traffic-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}
.traffic-card:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
}
.traffic-icon { font-size: 36px; margin-bottom: 16px; }
.traffic-card h4 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.traffic-card ul { display: flex; flex-direction: column; gap: 8px; }
.traffic-card li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}
.traffic-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}


/* ============================
   空间产品
   ============================ */
.spaces {
  position: relative;
  padding: 100px 0 80px;
}
.spaces-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%);
  z-index: 0;
}
.spaces .container { position: relative; z-index: 1; }
.spaces-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.space-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all var(--transition);
}
.space-card:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
}
.space-icon {
  width: 52px;
  height: 52px;
  background: rgba(232,160,32,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.space-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}
.space-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.space-card > p {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 16px;
}
.space-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.space-features li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.space-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}


/* ============================
   配套服务
   ============================ */
.amenities {
  padding: 100px 0 80px;
  background: var(--bg-light);
}
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.amenity-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.amenity-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.amenity-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.amenity-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.amenity-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}


/* ============================
   政策优势
   ============================ */
.policy {
  padding: 100px 0 80px;
}
.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.policy-item {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: #fff;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.policy-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
}
.policy-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.2;
  line-height: 1;
  flex-shrink: 0;
  min-width: 40px;
}
.policy-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.policy-item p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}


/* ============================
   入驻流程
   ============================ */
.process {
  position: relative;
  padding: 100px 0 80px;
}
.process-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  z-index: 0;
}
.process .container { position: relative; z-index: 1; }
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
}
.step-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(232,160,32,0.4);
}
.step h4 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.step p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}
.step-connector {
  width: 60px;
  height: 2px;
  background: rgba(255,255,255,0.25);
  margin-top: 28px;
  flex-shrink: 0;
}


/* ============================
   CTA
   ============================ */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent) 0%, #d4901a 100%);
}
.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.cta-content p {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-btns .btn-primary {
  background: #fff;
  color: var(--accent);
}
.cta-btns .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.cta-btns .btn-outline {
  border-color: #fff;
  color: #fff;
}
.cta-btns .btn-outline:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}


/* ============================
   精简页脚
   ============================ */
.footer-mini {
  background: var(--bg-dark);
  padding: 32px 0;
}
.footer-mini-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo-link { flex-shrink: 0; }
.footer-logo-img {
  height: 80px;
  width: auto;
  opacity: 0.9;
  filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
  transition: opacity var(--transition);
}
.footer-logo-link:hover .footer-logo-img { opacity: 1; }
.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-copy a {
  color: rgba(255,255,255,0.6);
}
.footer-copy a:hover { color: #fff; }
.footer-back {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  transition: color var(--transition);
}
.footer-back:hover { color: var(--accent); }


/* ============================
   回到顶部
   ============================ */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(10,61,124,0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 500;
}
.back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.back-top svg { width: 20px; height: 20px; }


/* ============================
   响应式
   ============================ */
@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .amenities-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  
  /* 导航移动端 */
  .nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0; bottom: 0;
    background: rgba(6,40,90,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px;
  }
  .nav.open { display: flex; }
  .nav-link {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    padding: 12px 24px;
  }
  .nav-link:hover, .nav-link.active { color: #fff; }
  .nav-link::after { display: none; }
  .header-actions { display: none; }
  .hamburger { display: flex; }
  .header-inner { padding: 0 20px; }
  
  /* Hero */
  .hero-title { letter-spacing: 0; }
  .hero-tags { gap: 8px; }
  .htag { padding: 6px 14px; font-size: 13px; }
  
  /* 概览 */
  .overview { padding: 60px 0; }
  .overview-content { grid-template-columns: 1fr; gap: 32px; }
  
  /* 画廊 */
  .gallery { padding: 60px 0; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-slider { aspect-ratio: 16/9; }
  
  /* 交通 */
  .traffic { padding: 60px 0; }
  .traffic-grid { grid-template-columns: 1fr; }
  .traffic-map { margin-bottom: 32px; }
  
  /* 空间 */
  .spaces { padding: 60px 0; }
  .spaces-grid { grid-template-columns: 1fr; }
  
  /* 配套 */
  .amenities { padding: 60px 0; }
  .amenities-grid { grid-template-columns: repeat(2, 1fr); }
  
  /* 政策 */
  .policy { padding: 60px 0; }
  .policy-grid { grid-template-columns: 1fr; }
  
  /* 流程 */
  .process { padding: 60px 0; }
  .process-steps {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .step { padding: 0 24px; max-width: 320px; }
  .step-connector {
    width: 2px;
    height: 32px;
    margin-top: 0;
    margin-bottom: 0;
  }
  
  /* 页脚 */
  .footer-mini-inner {
    flex-direction: column;
    text-align: center;
  }
  
  /* CTA */
  .cta-section { padding: 48px 0; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .gallery-extra { grid-template-columns: repeat(2, 1fr); }
  .amenities-grid { grid-template-columns: 1fr; }
  .overview-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .ov-stat { padding: 20px 16px; }
  .ov-num { font-size: 22px; }
}

/* ===== 浮动客服 ===== */
.float-service {
  position: fixed; right: 28px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 900;
}
.float-item {
  position: relative; width: 44px; height: 44px;
  background: var(--primary); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(10,61,124,0.25); cursor: pointer;
  transition: all var(--transition); border: none; text-decoration: none;
}
.float-item svg { width: 18px; height: 18px; }
.float-item:hover { background: var(--accent); transform: scale(1.1); }
.float-tooltip {
  position: absolute; right: 56px; top: 50%; transform: translateY(-50%);
  background: #0a1e3a; color: #fff; font-size: 12px; padding: 6px 12px;
  border-radius: 4px; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.float-tooltip::after {
  content: ''; position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 5px solid transparent; border-left-color: #0a1e3a;
}
.float-item:hover .float-tooltip { opacity: 1; }

/* ===== 微信二维码弹窗 ===== */
.wechat-modal {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center;
  z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.wechat-modal.show { opacity: 1; visibility: visible; }
.wechat-modal-content {
  background: #fff; padding: 32px; border-radius: var(--radius);
  text-align: center; position: relative; max-width: 320px; width: 90%;
  transform: scale(0.9); transition: transform 0.3s ease;
}
.wechat-modal.show .wechat-modal-content { transform: scale(1); }
.wechat-modal-content h3 { font-size: 18px; color: #1a2332; margin-bottom: 20px; }
.wechat-modal-content img { width: 200px; height: 200px; object-fit: contain; margin-bottom: 16px; }
.wechat-modal-content p { font-size: 14px; color: #64748b; }
.wechat-close {
  position: absolute; top: 12px; right: 16px; font-size: 28px;
  color: #94a3b8; cursor: pointer; line-height: 1; transition: color 0.2s; background: none; border: none;
}
.wechat-close:hover { color: #1a2332; }

/* ===== 在线客服聊天窗口 ===== */
.chat-widget {
  position: fixed; bottom: 100px; right: 24px; width: 380px; max-height: 520px;
  border-radius: 16px; box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  display: flex; flex-direction: column; overflow: hidden; z-index: 9998;
  background: #fff; transform: scale(0) translateY(20px); transform-origin: bottom right;
  opacity: 0; transition: transform .3s cubic-bezier(.34,1.56,.64,1), opacity .25s; pointer-events: none;
}
.chat-widget.open { transform: scale(1) translateY(0); opacity: 1; pointer-events: auto; }
.chat-toggle.active { background: var(--primary) !important; color: #fff; }
.chat-header {
  background: linear-gradient(135deg, var(--primary), #1a3a6b); color: #fff;
  padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; flex-shrink: 0;
}
.chat-header-info { display: flex; align-items: center; gap: 10px; }
.chat-avatar {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px;
}
.chat-header-name { font-size: 14px; font-weight: 600; }
.chat-header-status { font-size: 11px; opacity: 0.8; }
.chat-header-status::before {
  content: ''; display: inline-block; width: 6px; height: 6px;
  background: #4ade80; border-radius: 50%; margin-right: 4px; vertical-align: middle;
}
.chat-close {
  background: none; border: none; color: #fff; font-size: 22px;
  cursor: pointer; line-height: 1; opacity: 0.8; transition: opacity .2s;
}
.chat-close:hover { opacity: 1; }
.chat-messages {
  flex: 1; overflow-y: auto; padding: 16px; background: #f8f9fb;
  display: flex; flex-direction: column; gap: 12px; min-height: 300px; max-height: 360px;
}
.chat-msg { display: flex; max-width: 85%; }
.chat-msg.bot { align-self: flex-start; }
.chat-msg.user { align-self: flex-end; }
.chat-bubble { padding: 10px 14px; border-radius: 14px; font-size: 13.5px; line-height: 1.6; word-break: break-word; }
.chat-msg.bot .chat-bubble { background: #fff; color: #1a2332; border-bottom-left-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.chat-msg.user .chat-bubble { background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.chat-typing {
  display: inline-flex; gap: 4px; padding: 12px 16px; background: #fff;
  border-radius: 14px; border-bottom-left-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.chat-typing span { width: 7px; height: 7px; background: #b0b8c8; border-radius: 50%; animation: typingBounce 1.2s infinite; }
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}
.chat-input-wrap {
  display: flex; align-items: flex-end; padding: 10px 12px;
  border-top: 1px solid #e2e8f0; background: #fff; gap: 8px; flex-shrink: 0;
}
.chat-input {
  flex: 1; border: 1px solid #e2e8f0; border-radius: 20px; padding: 8px 14px;
  font-size: 13.5px; font-family: inherit; resize: none; outline: none;
  max-height: 80px; line-height: 1.5; transition: border-color .2s;
}
.chat-input:focus { border-color: var(--primary); }
.chat-send {
  width: 38px; height: 38px; border-radius: 50%; background: var(--primary);
  border: none; color: #fff; cursor: pointer; display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; transition: background .2s, transform .15s;
}
.chat-send:hover { background: #1a3a6b; }
.chat-send:active { transform: scale(0.92); }
.chat-send svg { width: 18px; height: 18px; }
.chat-send:disabled { background: #c0c8d8; cursor: not-allowed; }
@media (max-width: 480px) {
  .chat-widget { right: 0; bottom: 0; width: 100%; max-height: 100vh; border-radius: 0; }
}
@media (max-width: 900px) {
  .float-service { display: none; }
}