/* ========== 屿川渡 全局设计系统 ========== */
/* 青绿山水水墨风设计体系 - 全局统一配色 */

:root {
  /* 主色 - 雾青蓝 */
  --color-primary: #2D5A5A;
  --color-primary-dark: #1F4040;
  --color-primary-light: #7BAFB5;
  --color-primary-faint: rgba(45, 90, 90, 0.08);
  --color-primary-bg: rgba(45, 90, 90, 0.04);
  
  /* 辅助色 - 浅青蓝渐变 */
  --color-secondary: #7BAFB5;
  --color-secondary-light: #A8CDD1;
  --color-secondary-gradient: linear-gradient(180deg, #C9DEDE 0%, #E4EDE9 100%);
  --color-secondary-faint: rgba(123, 175, 181, 0.15);
  
  /* 点缀色 - 金色 / 晨光暖 */
  --color-accent: #C9A96E;
  --color-accent-light: #DCC79B;
  --color-accent-faint: rgba(201, 169, 110, 0.12);
  
  /* 中性色 - 暖宣纸米白 */
  --color-bg: #F6F1E4;
  --color-bg-warm: #EFE9D8;
  --color-bg-card: #FFFFFF;
  --color-border: #E5DED0;
  --color-border-light: rgba(45, 90, 90, 0.08);
  
  /* 文字色 - 近黑墨色 */
  --color-text: #1F2A2A;
  --color-text-secondary: #6B7A78;
  --color-text-tertiary: #9AA8A6;
  --color-text-inverse: #FFFFFF;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(45, 90, 90, 0.06);
  --shadow-md: 0 8px 24px rgba(45, 90, 90, 0.08);
  --shadow-lg: 0 16px 48px rgba(45, 90, 90, 0.12);
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', SimSun, serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html, body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-primary-faint); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-light); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 24px; border-radius: var(--radius-full);
  font-family: var(--font-sans); font-size: 14px; font-weight: 500;
  border: none; cursor: pointer; transition: all 0.3s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary); color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent; color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-faint);
}
.btn-ghost {
  background: transparent; color: var(--color-primary);
}
.btn-ghost:hover {
  background: var(--color-primary-faint);
}
.btn-lg { padding: 14px 32px; font-size: 16px; }

/* 卡片 */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.3s ease;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* 标题 */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; color: var(--color-text); }
h1 { font-size: 48px; line-height: 1.3; }
h2 { font-size: 32px; line-height: 1.4; }
h3 { font-size: 24px; line-height: 1.4; }
h4 { font-size: 18px; line-height: 1.5; }

/* 文本辅助 */
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-primary { color: var(--color-primary); }
.text-serif { font-family: var(--font-serif); }

/* 布局 */
.container {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
}

.section {
  padding: 80px 0;
}
.section-title {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px;
}
.section-title h2 {
  font-size: 28px; letter-spacing: 2px;
}
.section-title .more {
  color: var(--color-primary); font-size: 14px; cursor: pointer;
  display: flex; align-items: center; gap: 4px;
}

/* 标签 */
.tag {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 12px; background: var(--color-primary-faint);
  color: var(--color-primary);
}

/* 分割线 */
.divider {
  height: 1px; background: var(--color-border-light); margin: 32px 0;
}

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease; }

/* PC端导航栏 - 暖米白背景 */
.pc-nav {
  position: sticky; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  background: rgba(246, 241, 228, 0.92);
}
.pc-nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; height: 72px;
}
.pc-nav-brand {
  font-family: var(--font-serif); font-size: 26px; font-weight: 700;
  color: var(--color-text); letter-spacing: 2px;
  cursor: pointer; display: flex; align-items: baseline; gap: 4px;
  line-height: 1;
}
.pc-nav-brand-dot {
  width: 4px; height: 4px; background: var(--color-primary); border-radius: 50%;
  margin: 0 2px 4px;
  display: inline-block;
}
.pc-nav-menu {
  display: flex; align-items: center; gap: 36px;
  margin-left: auto; flex: 0 1 auto;
  justify-content: center;
  margin-right: 36px;
}
.pc-nav-item {
  font-size: 15px; color: var(--color-text-secondary);
  cursor: pointer; position: relative; transition: color 0.3s;
  padding: 4px 0;
  font-weight: 500;
}
.pc-nav-item:hover, .pc-nav-item.active {
  color: var(--color-primary);
}
.pc-nav-item.active::after {
  content: ''; position: absolute; bottom: -2px; left: 50%;
  transform: translateX(-50%); width: 20px; height: 2px;
  background: var(--color-primary); border-radius: 2px;
}
.pc-nav-actions {
  display: flex; align-items: center; gap: 12px;
}
.city-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; background: var(--color-primary-faint);
  border-radius: var(--radius-full); font-size: 13px;
  color: var(--color-primary); cursor: pointer;
}

/* Hero区域 - 实景山水大图 + 白色文字标题 */
.hero {
  position: relative; width: 100%; min-height: 480px;
  overflow: hidden;
}
.hero-image {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(31, 42, 42, 0.15) 0%, rgba(31, 42, 42, 0.25) 40%, rgba(246, 241, 228, 1) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; margin: 0 auto; padding: 80px 32px 140px;
  color: var(--color-text-inverse);
}
.hero-city-label {
  display: none;
}
.hero-title {
  font-family: var(--font-serif); font-size: 52px; font-weight: 700;
  letter-spacing: 4px; line-height: 1.2; margin-bottom: 12px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
}
.hero-subtitle {
  font-size: 18px; opacity: 0.95; letter-spacing: 2px;
  margin-bottom: 32px; max-width: 560px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
  font-family: var(--font-serif);
}
.hero-search {
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  padding: 6px 6px 6px 20px;
  width: 480px; box-shadow: var(--shadow-lg);
}
.hero-search input {
  flex: 1; border: none; outline: none;
  background: transparent; font-size: 14px;
  font-family: var(--font-sans); color: var(--color-text);
  padding: 10px 0;
}
.hero-search input::placeholder { color: var(--color-text-tertiary); }
.hero-search-btn {
  padding: 10px 26px; background: var(--color-primary);
  color: white; border: none; border-radius: var(--radius-full);
  cursor: pointer; font-size: 14px; font-weight: 500;
  transition: background 0.3s;
}
.hero-search-btn:hover { background: var(--color-primary-dark); }

/* Hero轮播圆点 */
.hero-dots {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 8px; z-index: 3;
}
.hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer; transition: all 0.3s;
}
.hero-dot.active {
  width: 20px; border-radius: 4px;
  background: white;
}

/* 路线卡片 - 横向左图右文 */
.route-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.route-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(45, 90, 90, 0.06);
  display: flex; gap: 16px;
  padding: 14px;
  min-width: 0;
}
.route-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 90, 90, 0.1);
}
.route-card-img {
  width: 130px; height: 100px; object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.route-card-body { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.route-card-top {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 6px;
  margin-bottom: 4px;
}
.route-card-tag {
  font-size: 10px; color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  padding: 1px 6px; border-radius: var(--radius-full);
  flex-shrink: 0;
  line-height: 1.6;
  white-space: nowrap;
}
.route-card-title {
  font-family: var(--font-serif); font-size: 15px;
  font-weight: 600; margin-bottom: 4px;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.route-card-meta {
  font-size: 11px; color: var(--color-text-tertiary);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.route-card-desc {
  font-size: 12px; color: var(--color-text-secondary);
  line-height: 1.6; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.route-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto;
  gap: 6px;
}
.route-card-distance {
  display: flex; align-items: center; gap: 3px;
  font-size: 11px; color: var(--color-text-tertiary);
  white-space: nowrap;
}
.route-card-btn {
  padding: 5px 14px; background: var(--color-primary);
  color: white; border: none; border-radius: var(--radius-full);
  cursor: pointer; font-size: 11px; font-weight: 500;
  transition: background 0.3s;
  white-space: nowrap;
  flex-shrink: 0;
}
.route-card-btn:hover { background: var(--color-primary-dark); }

/* 居所卡片（大卡片） */
.residence-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.residence-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}
.residence-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.residence-card-img {
  width: 100%; height: 240px; object-fit: cover;
  background: var(--color-primary-faint);
}
.residence-card-body { padding: 24px; }
.residence-card-title {
  font-family: var(--font-serif); font-size: 22px;
  font-weight: 600; margin-bottom: 6px;
}
.residence-card-loc {
  font-size: 13px; color: var(--color-text-tertiary);
  margin-bottom: 12px;
}
.residence-card-tags {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px;
}
.residence-card-desc {
  font-size: 14px; color: var(--color-text-secondary);
  margin-bottom: 16px; line-height: 1.7;
}
.residence-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; border-top: 1px solid var(--color-border-light);
}
.residence-card-price {
  font-family: var(--font-serif); font-size: 26px;
  color: var(--color-primary); font-weight: 600;
}
.residence-card-price span {
  font-size: 13px; font-weight: 400; color: var(--color-text-tertiary);
}

/* 风物网格 */
.scenery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.scenery-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}
.scenery-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.scenery-card-img {
  width: 100%; height: 160px; object-fit: cover;
  background: var(--color-primary-faint);
}
.scenery-card-body { padding: 14px 16px; }
.scenery-card-name {
  font-family: var(--font-serif); font-size: 16px;
  font-weight: 600; margin-bottom: 4px;
}
.scenery-card-cat {
  font-size: 12px; color: var(--color-primary);
  background: var(--color-primary-faint);
  padding: 2px 10px; border-radius: var(--radius-full);
  display: inline-block;
}

/* 两栏布局（居所+风物） */
.two-col-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: start;
}
.two-col-main, .two-col-side {
  min-width: 0;
}

/* 居所特色模块（设计稿风格） */
.residence-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  height: 360px;
}
.residence-feature-text {
  background: linear-gradient(180deg, rgba(201, 222, 220, 0.4), rgba(255,255,255,0.9));
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  overflow: hidden;
  grid-row: span 2;
}
.residence-feature-text::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 40%;
  background: url("../assets/ink-wash-bg.jpg") bottom/contain no-repeat;
  opacity: 0.2;
  pointer-events: none;
}
.residence-feature-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 12px;
  border: 1px solid #C9A96E;
  color: #C9A96E;
  font-size: 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-serif);
  margin-bottom: 16px;
  position: relative; z-index: 1;
}
.residence-feature-text h3 {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.4;
  position: relative; z-index: 1;
}
.residence-feature-text p {
  font-size: 13px; color: var(--color-text-secondary);
  position: relative; z-index: 1;
}
.residence-feature-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s;
  display: flex; flex-direction: column;
  box-shadow: 0 2px 10px rgba(45, 90, 90, 0.06);
}
.residence-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(45, 90, 90, 0.1);
}
.residence-feature-card img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  flex-shrink: 0;
}
.residence-feature-card-info {
  padding: 12px 14px;
  flex: 1;
  display: flex; flex-direction: column; justify-content: center;
  min-width: 0;
}
.residence-feature-card-title {
  font-family: var(--font-serif);
  font-size: 15px; font-weight: 600;
  color: var(--color-text);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.residence-feature-card-sub {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* 风物四格 */
.scenery-quad {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 12px;
  height: 360px;
}
.scenery-quad-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s;
  display: flex; flex-direction: column;
  box-shadow: 0 2px 10px rgba(45, 90, 90, 0.06);
}
.scenery-quad-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(45, 90, 90, 0.1);
}
.scenery-quad-img {
  flex: 1;
  background: var(--color-primary-faint);
  overflow: hidden;
  position: relative;
}
.scenery-quad-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 0.4s;
}
.scenery-quad-card:hover .scenery-quad-img img {
  transform: scale(1.05);
}
.scenery-quad-name {
  padding: 10px 14px;
  font-family: var(--font-serif);
  font-size: 14px; font-weight: 600;
  color: var(--color-text);
  text-align: center;
  flex-shrink: 0;
}

/* Footer - 浅青绿底条 */
.footer {
  background: linear-gradient(180deg, #D8E6E4 0%, #C9DEDC 100%);
  color: var(--color-primary-dark);
  padding: 36px 0 28px;
  position: relative;
  overflow: hidden;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: grid;
  grid-template-columns: 1.2fr 1.5fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer-left {
  flex-shrink: 0;
}
.footer-brand {
  font-family: var(--font-serif); font-size: 22px; font-weight: 700;
  color: var(--color-text); letter-spacing: 2px;
  margin-bottom: 4px;
}
.footer-slogan {
  font-size: 12px; color: var(--color-primary);
  letter-spacing: 1px; margin-bottom: 2px;
  font-weight: 500;
}
.footer-url {
  font-size: 13px; color: var(--color-text-secondary);
  margin-top: 6px; letter-spacing: 0.5px;
}
.footer-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col-group h4 {
  font-size: 14px; font-weight: 600; margin-bottom: 12px;
  color: var(--color-text); font-family: var(--font-sans);
}
.footer-col-group a {
  display: block; color: var(--color-text-secondary);
  font-size: 13px; line-height: 2.2; text-decoration: none;
  transition: color 0.3s; cursor: pointer;
  white-space: nowrap;
}
.footer-col-group a:hover { color: var(--color-primary); }
.footer-right {
  text-align: right;
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--color-primary-dark);
  letter-spacing: 2px;
  padding-top: 6px;
  white-space: nowrap;
}

.footer-beian {
  max-width: 1280px; margin: 0 auto;
  padding: 16px 32px;
  border-top: 1px solid rgba(45, 90, 90, 0.1);
  text-align: center;
  font-size: 12px;
  color: #8A9694;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-beian-link {
  color: #8A9694;
  text-decoration: none;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.footer-beian-link:hover {
  color: var(--color-primary);
}
.footer-sep {
  color: rgba(138, 150, 148, 0.5);
}
.footer-police-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
}

/* 城市选择器 */
.city-selector-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.4);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.city-selector {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 40px; width: 720px;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.3s ease;
}
.city-selector-title {
  font-family: var(--font-serif); font-size: 24px;
  margin-bottom: 8px; letter-spacing: 3px;
}
.city-selector-sub {
  color: var(--color-text-secondary); font-size: 14px;
  margin-bottom: 28px;
}
.city-selector-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.city-selector-item {
  padding: 20px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  cursor: pointer; transition: all 0.3s;
  text-align: center; background: white;
}
.city-selector-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.city-selector-item-name {
  font-family: var(--font-serif); font-size: 20px;
  font-weight: 600; margin-bottom: 4px; color: var(--color-primary);
}
.city-selector-item-slogan {
  font-size: 12px; color: var(--color-text-tertiary);
}

/* 合伙人入驻页 */
.partner-hero {
  position: relative; min-height: 480px;
  overflow: hidden; padding-top: 68px;
}
.partner-types {
  display: flex; gap: 16px; margin-bottom: 16px;
}
.partner-type-card {
  flex: 1; background: white; border-radius: var(--radius-md);
  padding: 24px 16px; text-align: center;
  box-shadow: var(--shadow-sm); cursor: pointer;
  transition: all 0.3s ease;
}
.partner-type-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.partner-type-icon {
  width: 56px; height: 56px;
  background: var(--color-primary-faint);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
}
.partner-type-name {
  font-family: var(--font-serif); font-size: 15px;
  font-weight: 600; margin-bottom: 4px;
}
.partner-type-desc {
  font-size: 12px; color: var(--color-text-tertiary);
  line-height: 1.5;
}

/* 三步流程 */
.steps-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 32px 0;
}
.step-item {
  display: flex; align-items: center; gap: 16px;
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 20px;
}
.step-text h4 { font-size: 16px; margin-bottom: 2px; }
.step-text p { font-size: 13px; color: var(--color-text-tertiary); }
.step-line {
  flex: 1; height: 1px;
  background: linear-gradient(to right, var(--color-primary-light), var(--color-border));
  margin: 0 24px;
}

/* 登录页 - 严格按设计稿 */
.login-page {
  min-height: 100vh;
  display: flex;
  background: var(--color-bg);
  font-family: var(--font-sans);
}
.login-left {
  flex: 1; position: relative;
  background: linear-gradient(180deg, #D4E5E3 0%, #B9D4D2 50%, #9FC3C0 100%);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 64px 56px;
  overflow: hidden;
}
.login-left::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; top: 30%;
  background: url("../assets/ink-wash-bg.jpg") bottom center/contain no-repeat;
  opacity: 0.25;
  pointer-events: none;
}
.login-left-top h1 {
  font-family: var(--font-serif); font-size: 38px; font-weight: 700;
  color: var(--color-primary-dark); letter-spacing: 3px;
  margin-bottom: 12px;
}
.login-left-top p {
  color: var(--color-primary); opacity: 0.8; font-size: 15px;
  letter-spacing: 0.5px; line-height: 1.7;
}
.login-left-brand {
  font-family: var(--font-serif); font-size: 20px; font-weight: 600;
  color: var(--color-primary-dark); letter-spacing: 4px;
  margin-bottom: 28px;
  position: relative; z-index: 2;
}
.login-left-bottom {
  position: relative; z-index: 2;
  color: var(--color-primary-dark);
}
.login-brand {
  font-family: var(--font-serif); font-size: 28px;
  font-weight: 700; letter-spacing: 6px; margin-bottom: 8px;
}
.login-slogan {
  font-size: 14px; opacity: 0.7; letter-spacing: 3px;
  font-family: var(--font-serif);
}

.login-right {
  width: 520px; display: flex; align-items: center; justify-content: center;
  padding: 48px;
  background: var(--color-bg);
}
.login-card {
  width: 100%; background: white;
  border-radius: 32px;
  padding: 52px 44px;
  box-shadow: 0 20px 60px rgba(45, 90, 90, 0.12);
}
.login-card h2 {
  font-family: var(--font-serif);
  font-size: 28px; margin-bottom: 8px; letter-spacing: 2px;
  text-align: center;
  color: var(--color-text);
}
.login-card-sub {
  color: var(--color-text-secondary); font-size: 14px;
  margin-bottom: 40px;
  text-align: center;
}
.form-group { margin-bottom: 28px; }
.form-group label {
  display: block; font-size: 13px; color: var(--color-text-tertiary);
  margin-bottom: 6px;
}
.form-input {
  width: 100%; padding: 10px 2px;
  border: none; border-bottom: 1px solid var(--color-border);
  font-size: 15px; font-family: var(--font-sans);
  outline: none; transition: border-color 0.3s;
  background: transparent;
  color: var(--color-text);
}
.form-input:focus { border-color: var(--color-primary); }
.form-actions {
  display: flex; justify-content: flex-end;
  margin-bottom: 28px;
}
.form-actions a {
  font-size: 13px; color: var(--color-text-tertiary);
  text-decoration: none; cursor: pointer;
}
.login-btn {
  width: 100%; padding: 14px; background: var(--color-primary);
  color: white; border: none; border-radius: var(--radius-full);
  font-size: 16px; cursor: pointer; transition: all 0.3s;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 1px;
}
.login-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(45, 90, 90, 0.2);
}
.login-alt {
  display: flex; gap: 12px; margin-top: 28px;
}
.login-alt-btn {
  flex: 1; padding: 10px 8px;
  border: 1px solid var(--color-primary);
  background: transparent; color: var(--color-primary);
  border-radius: var(--radius-full); cursor: pointer;
  font-size: 14px; transition: all 0.3s;
  font-family: var(--font-sans);
}
.login-alt-btn:hover {
  background: var(--color-primary-faint);
}
.login-foot {
  text-align: center; font-size: 12px;
  color: var(--color-text-tertiary); margin-top: 28px;
}

/* 低空AI横幅 */
.drone-banner {
  background: linear-gradient(135deg, #1A3333 0%, #2D5A5A 50%, #3A6B69 100%);
  border-radius: 20px;
  padding: 36px 48px;
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.drone-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(45,90,90,0.25);
}
.drone-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.drone-banner-content { flex: 1; position: relative; z-index: 1; }
.drone-banner-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255, 224, 130, 0.2);
  color: #FFE082;
  font-size: 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  font-weight: 500;
}
.drone-banner-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.drone-banner-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.drone-banner-cta {
  display: inline-block;
  padding: 10px 28px;
  background: white;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  border-radius: 30px;
  transition: background 0.2s;
}
.drone-banner:hover .drone-banner-cta {
  background: #FFE082;
  color: #1A3333;
}
.drone-banner-img {
  width: 260px;
  height: 160px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 12px 24px rgba(0,0,0,0.3));
  animation: droneFloat 4s ease-in-out infinite;
}
@keyframes droneFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 移动端 H5 样式（在单独文件中） */