/*
  鼎诺债务处理中心 - 全局样式表
  骰子结果：D12=11交错不对称 D8=7巨型菜单 D8=1极端对比 D8=2弹性果冻
  D8=4工业金属 D8=1奢侈留白 D8=2滚动渐进
  主色：深海蓝 #1976D2
*/

/* ====== CSS变量主题色定义 ====== */
:root {
  /* 主色调 */
  --dn-primary: #1976D2;
  --dn-primary-dark: #0D47A1;
  --dn-primary-light: #42A5F5;
  --dn-primary-rgb: 25, 118, 210;

  /* 强调色 - 琥珀金 */
  --dn-accent: #C5A059;
  --dn-accent-dark: #A08040;
  --dn-accent-light: #D4B87A;
  --dn-accent-rgb: 197, 160, 89;

  /* 背景色 */
  --dn-bg-primary: #050A14;
  --dn-bg-secondary: #0A192F;
  --dn-bg-card: #0D2137;
  --dn-surface: #112240;
  --dn-surface-light: #1A3A5C;

  /* 文字色 */
  --dn-text-primary: #E6E1D6;
  --dn-text-secondary: #8892B0;
  --dn-text-muted: #5C6B8A;

  /* 状态色 */
  --dn-success: #4CAF50;
  --dn-warning: #FF9800;
  --dn-danger: #E53935;
  --dn-info: #03A9F4;

  /* 边框与阴影 */
  --dn-border: rgba(197, 160, 89, 0.2);
  --dn-border-light: rgba(136, 146, 176, 0.15);
  --dn-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  --dn-shadow-glow: 0 0 30px rgba(197, 160, 89, 0.3);

  /* 字体 */
  --dn-font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
  --dn-font-sans: "Noto Sans SC", -apple-system, "PingFang SC", sans-serif;
  --dn-font-mono: "Oxygen Mono", "SF Mono", monospace;

  /* 间距 */
  --dn-section-pad: 15vh;
  --dn-section-pad-sm: 8vh;
  --dn-container-max: 1280px;

  /* 动画 */
  --dn-ease-jelly: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --dn-ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --dn-duration: 0.4s;
}

/* ====== 基础重置 ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--dn-font-sans);
  background-color: var(--dn-bg-primary);
  color: var(--dn-text-primary);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--dn-font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dn-text-primary);
}
a {
  color: var(--dn-accent);
  text-decoration: none;
  transition: color var(--dn-duration) var(--dn-ease-smooth);
}
a:hover { color: var(--dn-accent-light); }
img { max-width: 100%; height: auto; }
::selection {
  background: rgba(197, 160, 89, 0.3);
  color: var(--dn-text-primary);
}

/* ====== 等宽字体工具类 ====== */
.dn-mono-font { font-family: var(--dn-font-mono); }

/* ====== 顶部公告栏 ====== */
.dn-topbar {
  background: linear-gradient(90deg, var(--dn-bg-secondary), var(--dn-surface));
  border-bottom: 1px solid var(--dn-border);
  padding: 8px 0;
  font-size: 13px;
  color: var(--dn-text-secondary);
}
.dn-topbar-text i { color: var(--dn-accent); }
.dn-divider { color: var(--dn-border); }

/* ====== 滚动进度环 ====== */
.dn-progress-ring {
  position: fixed;
  bottom: 100px;
  right: 20px;
  width: 50px;
  height: 50px;
  z-index: 999;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  pointer-events: none;
}
.dn-progress-ring.visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: all;
}
.dn-progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.dn-progress-ring circle {
  fill: none;
  stroke-width: 3;
}
.dn-progress-bg { stroke: rgba(197, 160, 89, 0.15); }
.dn-progress-bar {
  stroke: var(--dn-accent);
  stroke-dasharray: 176;
  stroke-dashoffset: 176;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.1s linear;
}
.dn-progress-ring > i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 18px;
  color: var(--dn-accent);
}

/* ====== 头部导航 ====== */
.dn-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dn-border);
  transition: all var(--dn-duration) var(--dn-ease-smooth);
}
.dn-header.scrolled {
  background: rgba(5, 10, 20, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.dn-navbar { padding: 0; }
.dn-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}
.dn-logo-img { height: 42px; width: auto; }
.dn-brand-title {
  display: block;
  font-family: var(--dn-font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--dn-text-primary);
  line-height: 1.2;
}
.dn-brand-sub {
  display: block;
  font-family: var(--dn-font-mono);
  font-size: 9px;
  color: var(--dn-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ====== 导航链接 ====== */
.dn-nav-main { align-items: center; gap: 4px; }
.dn-nav-main .nav-item { position: relative; }
.dn-nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 20px 16px !important;
  font-size: 15px;
  font-weight: 500;
  color: var(--dn-text-primary) !important;
  position: relative;
  transition: color var(--dn-duration) var(--dn-ease-smooth);
}
.dn-nav-link::after {
  content: '';
  position: absolute;
  bottom: 12px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--dn-accent);
  transform: scaleX(0);
  transition: transform var(--dn-duration) var(--dn-ease-jelly);
}
.dn-nav-link:hover::after,
.dn-nav-link.active::after { transform: scaleX(1); }
.dn-nav-link:hover,
.dn-nav-link.active { color: var(--dn-accent) !important; }
.dn-nav-arrow { font-size: 10px; transition: transform var(--dn-duration); }
.dropdown-toggle.show .dn-nav-arrow { transform: rotate(180deg); }

/* ====== 汉堡按钮 ====== */
.dn-toggler {
  border: none;
  padding: 8px;
  background: transparent;
}
.dn-toggler-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dn-accent);
  margin: 5px 0;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  border-radius: 2px;
}
.dn-toggler[aria-expanded="true"] .dn-toggler-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.dn-toggler[aria-expanded="true"] .dn-toggler-line:nth-child(2) { opacity: 0; }
.dn-toggler[aria-expanded="true"] .dn-toggler-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ====== 巨型菜单 ====== */
.dn-megamenu {
  background: rgba(10, 25, 47, 0.98);
  backdrop-filter: blur(30px);
  border: 1px solid var(--dn-border);
  border-radius: 0 0 12px 12px;
  box-shadow: var(--dn-shadow);
  padding: 30px 0;
  margin-top: 0;
  min-width: 700px;
}
.dn-megamenu-title {
  font-family: var(--dn-font-serif);
  font-size: 16px;
  color: var(--dn-accent);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dn-border-light);
}
.dn-megamenu-list { list-style: none; padding: 0; margin: 0; }
.dn-megamenu-list li { margin-bottom: 8px; }
.dn-megamenu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  transition: all var(--dn-duration) var(--dn-ease-smooth);
}
.dn-megamenu-link:hover {
  background: rgba(197, 160, 89, 0.08);
  transform: translateX(4px);
}
.dn-mm-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--dn-primary), var(--dn-primary-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  flex-shrink: 0;
}
.dn-mm-info { display: flex; flex-direction: column; }
.dn-mm-name { font-size: 14px; font-weight: 500; color: var(--dn-text-primary); }
.dn-mm-desc { font-size: 12px; color: var(--dn-text-muted); }

/* 巨型菜单推广卡片 */
.dn-mm-promo-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
  min-height: 220px;
}
.dn-mm-promo-img { width: 100%; height: 100%; object-fit: cover; }
.dn-mm-promo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(5, 10, 20, 0.95));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}
.dn-mm-promo-overlay h5 {
  font-size: 18px;
  color: var(--dn-accent);
  margin-bottom: 6px;
}
.dn-mm-promo-overlay p {
  font-size: 13px;
  color: var(--dn-text-secondary);
  margin-bottom: 12px;
}

/* 电话CTA */
.dn-nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark));
  color: var(--dn-bg-primary) !important;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
}
.dn-nav-phone:hover {
  transform: scale(1.05);
  box-shadow: var(--dn-shadow-glow);
  color: var(--dn-bg-primary) !important;
}

/* ====== 移动端底部导航 ====== */
.dn-mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(5, 10, 20, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--dn-border);
  display: flex;
  justify-content: space-around;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  z-index: 999;
}
.dn-mnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--dn-text-muted);
  font-size: 11px;
  transition: color var(--dn-duration);
  padding: 4px 12px;
}
.dn-mnav-item i { font-size: 20px; }
.dn-mnav-item.active,
.dn-mnav-item:hover { color: var(--dn-accent); }
.dn-mnav-call {
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark));
  color: var(--dn-bg-primary) !important;
  border-radius: 12px;
  margin-top: -20px;
  padding: 12px 16px !important;
  box-shadow: var(--dn-shadow-glow);
}
.dn-mnav-call i { font-size: 22px; }

/* ====== 公共按钮样式 ====== */
.dn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  position: relative;
  overflow: hidden;
}
.dn-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.dn-btn:hover::before { transform: translateX(100%); }
.dn-btn-primary {
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark));
  color: var(--dn-bg-primary);
  border-color: var(--dn-accent);
}
.dn-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--dn-shadow-glow);
  color: var(--dn-bg-primary);
}
.dn-btn-outline {
  background: transparent;
  color: var(--dn-accent);
  border-color: var(--dn-accent);
}
.dn-btn-outline:hover {
  background: rgba(197, 160, 89, 0.1);
  transform: translateY(-3px);
  color: var(--dn-accent-light);
}
.dn-btn-lg { padding: 16px 36px; font-size: 16px; }
.dn-btn-sm { padding: 8px 18px; font-size: 13px; }
.dn-btn-block { width: 100%; }
.dn-btn-glow {
  box-shadow: 0 0 20px rgba(197, 160, 89, 0.4);
  animation: glow-pulse 2s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(197, 160, 89, 0.4); }
  50% { box-shadow: 0 0 30px rgba(197, 160, 89, 0.6); }
}

/* ====== 公共区块头部 ====== */
.dn-section-header { margin-bottom: 60px; }
.dn-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(197, 160, 89, 0.1);
  border: 1px solid var(--dn-border);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-accent);
  margin-bottom: 20px;
}
.dn-section-title {
  font-family: var(--dn-font-serif);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: var(--dn-text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}
.dn-section-desc {
  font-size: 16px;
  color: var(--dn-text-secondary);
  max-width: 600px;
}

/* ====== 波浪分隔线 ====== */
.dn-hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
}
.dn-hero-wave svg { width: 100%; height: 100%; }

/* ====== 首屏Hero区域 ====== */
.dn-hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dn-bg-primary) 0%, var(--dn-bg-secondary) 100%);
  overflow: hidden;
}
.dn-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(25, 118, 210, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(197, 160, 89, 0.05) 0%, transparent 50%);
  animation: hero-bg-shift 20s ease-in-out infinite;
}
@keyframes hero-bg-shift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 10px) scale(1.02); }
}
.dn-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--dn-bg-primary));
}
.dn-hero-container { position: relative; z-index: 2; }

.dn-hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: rgba(197, 160, 89, 0.1);
  border: 1px solid var(--dn-border);
  border-radius: 50px;
  font-size: 14px;
  color: var(--dn-accent);
  margin-bottom: 30px;
  animation: fade-up 0.8s var(--dn-ease-smooth) both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.dn-hero-title {
  font-family: var(--dn-font-serif);
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}
.dn-title-line { display: block; }
.dn-title-accent {
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dn-hero-desc {
  font-size: 18px;
  color: var(--dn-text-secondary);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.dn-hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* Hero统计行 */
.dn-hero-stats-row {
  display: flex;
  gap: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--dn-border-light);
}
.dn-hstat-item { display: flex; flex-direction: column; }
.dn-hstat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--dn-accent);
  line-height: 1;
}
.dn-hstat-unit {
  font-size: 20px;
  color: var(--dn-accent);
  font-weight: 600;
}
.dn-hstat-label {
  font-size: 13px;
  color: var(--dn-text-muted);
  margin-top: 4px;
}

/* Hero视觉区域 */
.dn-hero-visual {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto;
}
.dn-hv-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--dn-border);
}
.dn-hv-ring-1 { width: 350px; height: 350px; animation: ring-rotate 20s linear infinite; }
.dn-hv-ring-2 { width: 280px; height: 280px; border-color: rgba(197, 160, 89, 0.2); animation: ring-rotate 15s linear infinite reverse; }
.dn-hv-ring-3 { width: 210px; height: 210px; border-color: rgba(25, 118, 210, 0.2); animation: ring-rotate 10s linear infinite; }
@keyframes ring-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
.dn-hv-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--dn-shadow-glow);
}
.dn-hv-core i { font-size: 48px; color: var(--dn-bg-primary); }
.dn-hv-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-text-primary);
  animation: float-anim 3s ease-in-out infinite;
}
.dn-hv-float i { color: var(--dn-accent); }
.dn-hv-float-1 { top: 20%; left: 0; animation-delay: 0s; }
.dn-hv-float-2 { top: 10%; right: 0; animation-delay: 1s; }
.dn-hv-float-3 { bottom: 20%; right: 10%; animation-delay: 2s; }
@keyframes float-anim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ====== 数据统计区域 ====== */
.dn-stats {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-secondary);
}
.dn-stats-row { margin-top: 40px; }
.dn-stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  position: relative;
  overflow: hidden;
}
.dn-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--dn-accent), var(--dn-primary));
}
.dn-stat-card:hover {
  transform: translateY(-8px);
  border-color: var(--dn-border);
  box-shadow: var(--dn-shadow);
}
.dn-stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--dn-primary), var(--dn-primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 24px;
  color: #fff;
}
.dn-stat-number { margin-bottom: 8px; }
.dn-counter {
  font-size: 48px;
  font-weight: 700;
  color: var(--dn-accent);
  line-height: 1;
}
.dn-stat-suffix {
  font-size: 24px;
  color: var(--dn-accent);
  font-weight: 600;
}
.dn-stat-label {
  font-size: 14px;
  color: var(--dn-text-secondary);
  margin-bottom: 16px;
}
.dn-stat-bar {
  height: 4px;
  background: var(--dn-surface-light);
  border-radius: 2px;
  overflow: hidden;
}
.dn-stat-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--dn-accent), var(--dn-primary));
  border-radius: 2px;
  transition: width 2s var(--dn-ease-smooth);
}

/* 数据解密动效文字 */
.dn-decrypt-text {
  margin-top: 80px;
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(197, 160, 89, 0.05), rgba(25, 118, 210, 0.05));
  border: 1px solid var(--dn-border);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}
.dn-decrypt-text::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.1), transparent);
  animation: decrypt-shine 3s ease-in-out infinite;
}
@keyframes decrypt-shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.dn-decrypt-inner { position: relative; z-index: 1; }
.dn-decrypt-num {
  font-family: var(--dn-font-mono);
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 700;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.dn-decrypt-label {
  display: block;
  font-family: var(--dn-font-serif);
  font-size: clamp(20px, 3vw, 32px);
  color: var(--dn-text-primary);
  margin-top: 12px;
}

/* ====== 视差文字层 ====== */
.dn-parallax-text {
  position: relative;
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-primary);
  overflow: hidden;
}
.dn-pt-bg {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
}
.dn-pt-bg span {
  font-family: var(--dn-font-serif);
  font-size: clamp(60px, 12vw, 140px);
  font-weight: 700;
  white-space: nowrap;
  color: var(--dn-text-primary);
}
.dn-pt-content { position: relative; z-index: 1; }
.dn-pt-title {
  font-family: var(--dn-font-serif);
  font-size: clamp(32px, 5vw, 56px);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--dn-accent), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dn-pt-desc {
  font-size: 18px;
  color: var(--dn-text-secondary);
  margin-bottom: 36px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* ====== 核心服务矩阵 ====== */
.dn-services {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-secondary);
}
.dn-services-sticky { position: sticky; top: 120px; align-self: flex-start; }
.dn-services-grid { margin-top: 20px; }
.dn-service-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  height: 100%;
}
.dn-service-card:hover {
  transform: translateY(-8px);
  border-color: var(--dn-border);
  box-shadow: var(--dn-shadow);
}
.dn-svc-img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.dn-svc-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--dn-ease-smooth); }
.dn-service-card:hover .dn-svc-img { transform: scale(1.1); }
.dn-svc-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--dn-bg-card));
}
.dn-svc-body { padding: 24px; position: relative; }
.dn-svc-num {
  position: absolute;
  top: -30px;
  right: 20px;
  font-size: 48px;
  font-weight: 700;
  color: rgba(197, 160, 89, 0.15);
  line-height: 1;
}
.dn-svc-title {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--dn-text-primary);
}
.dn-svc-desc {
  font-size: 14px;
  color: var(--dn-text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}
.dn-svc-features { list-style: none; padding: 0; margin: 0; }
.dn-svc-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--dn-text-secondary);
  padding: 4px 0;
}
.dn-svc-features li i { color: var(--dn-accent); font-size: 12px; }

/* ====== 故障画廊 ====== */
.dn-glitch-gallery {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-primary);
}
.dn-glitch-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--dn-duration) var(--dn-ease-smooth);
}
.dn-glitch-card:hover {
  border-color: var(--dn-accent);
  box-shadow: 0 0 30px rgba(197, 160, 89, 0.2);
}
.dn-glitch-img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
}
.dn-glitch-img { width: 100%; height: 100%; object-fit: cover; }
.dn-glitch-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.1s;
  pointer-events: none;
}
.dn-glitch-r { mix-blend-mode: screen; background-blend-mode: screen; }
.dn-glitch-b { mix-blend-mode: multiply; background-blend-mode: multiply; }
.dn-glitch-card:hover .dn-glitch-r {
  opacity: 0.8;
  animation: glitch-r 0.3s ease-out;
  background-color: rgba(255, 0, 0, 0.15);
}
.dn-glitch-card:hover .dn-glitch-b {
  opacity: 0.8;
  animation: glitch-b 0.3s ease-out 0.05s;
  background-color: rgba(0, 0, 255, 0.15);
}
@keyframes glitch-r {
  0% { transform: translate(0); }
  20% { transform: translate(-5px, 3px); }
  40% { transform: translate(5px, -3px); }
  60% { transform: translate(-3px, 5px); }
  80% { transform: translate(3px, -5px); }
  100% { transform: translate(0); }
}
@keyframes glitch-b {
  0% { transform: translate(0); }
  20% { transform: translate(5px, -3px); }
  40% { transform: translate(-5px, 3px); }
  60% { transform: translate(3px, -5px); }
  80% { transform: translate(-3px, 5px); }
  100% { transform: translate(0); }
}
.dn-glitch-body { padding: 24px; }
.dn-glitch-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--dn-text-primary);
}
.dn-glitch-body p {
  font-size: 14px;
  color: var(--dn-text-secondary);
  line-height: 1.7;
}

/* ====== 资讯区域 ====== */
.dn-news-section {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-secondary);
}
.dn-news-sticky { position: sticky; top: 120px; align-self: flex-start; }
.dn-news-grid { margin-top: 20px; }
.dn-news-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  height: 100%;
}
.dn-news-card:hover {
  transform: translateY(-6px);
  border-color: var(--dn-border);
  box-shadow: var(--dn-shadow);
}
.dn-news-link { display: block; color: inherit; text-decoration: none; }
.dn-news-link:hover { color: inherit; }
.dn-news-img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.dn-news-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.dn-news-card:hover .dn-news-img { transform: scale(1.08); }
.dn-news-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(5, 10, 20, 0.8));
}
.dn-news-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: var(--dn-accent);
  color: var(--dn-bg-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
}
.dn-news-body { padding: 20px; }
.dn-news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--dn-text-primary);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.dn-news-desc {
  font-size: 13px;
  color: var(--dn-text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.dn-news-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--dn-text-muted);
}

/* ====== 时间胶囊时间轴 ====== */
.dn-timeline {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-primary);
}
.dn-timeline-track {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.dn-timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--dn-accent), var(--dn-primary), var(--dn-accent));
  transform: translateX(-50%);
}
.dn-tl-item {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 60px;
}
.dn-tl-item:last-child { margin-bottom: 0; }
.dn-tl-left { justify-content: flex-end; padding-right: calc(50% + 40px); }
.dn-tl-right { justify-content: flex-start; padding-left: calc(50% + 40px); }
.dn-tl-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  padding: 28px;
  max-width: 380px;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
}
.dn-tl-card:hover {
  border-color: var(--dn-accent);
  transform: scale(1.02);
  box-shadow: var(--dn-shadow);
}
.dn-tl-year {
  display: inline-block;
  font-size: 14px;
  color: var(--dn-accent);
  background: rgba(197, 160, 89, 0.1);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
}
.dn-tl-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--dn-text-primary);
}
.dn-tl-card p {
  font-size: 14px;
  color: var(--dn-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}
.dn-tl-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: var(--dn-shadow-glow);
  z-index: 2;
}

/* ====== 城市目录模块 ====== */
.dn-cities {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-secondary);
}
.dn-cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
  margin-bottom: 30px;
}
.dn-city-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 10px;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  text-decoration: none;
}
.dn-city-item:hover {
  background: rgba(197, 160, 89, 0.1);
  border-color: var(--dn-accent);
  color: var(--dn-accent);
  transform: translateY(-3px);
  text-decoration: none;
}
.dn-city-item i { font-size: 12px; }
.dn-cities-note {
  text-align: center;
  padding: 16px;
  background: rgba(197, 160, 89, 0.05);
  border: 1px solid var(--dn-border);
  border-radius: 12px;
  font-size: 14px;
  color: var(--dn-text-muted);
}
.dn-cities-note i { color: var(--dn-accent); }

/* ====== CTA行动号召 ====== */
.dn-cta-section {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-primary);
}
.dn-cta-card {
  background: linear-gradient(135deg, var(--dn-bg-card), var(--dn-surface));
  border: 1px solid var(--dn-border);
  border-radius: 24px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.dn-cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.1), transparent 70%);
  pointer-events: none;
}
.dn-cta-title {
  font-family: var(--dn-font-serif);
  font-size: clamp(24px, 4vw, 36px);
  margin-bottom: 16px;
  color: var(--dn-text-primary);
}
.dn-cta-desc {
  font-size: 16px;
  color: var(--dn-text-secondary);
  margin-bottom: 24px;
}
.dn-cta-features {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.dn-cta-features span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--dn-text-secondary);
}
.dn-cta-features span i { color: var(--dn-success); }
.dn-cta-phone-label {
  font-size: 13px;
  color: var(--dn-text-muted);
}

/* ====== 关于我们简介区域 ====== */
.dn-about-preview {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-secondary);
}
.dn-ap-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}
.dn-ap-img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.6s;
}
.dn-ap-img-wrap:hover .dn-ap-img { transform: scale(1.05); }
.dn-ap-experience {
  position: absolute;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark));
  border-radius: 20px;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--dn-shadow-glow);
}
.dn-ap-num {
  font-size: 56px;
  font-weight: 700;
  color: var(--dn-bg-primary);
  line-height: 1;
}
.dn-ap-label {
  font-size: 14px;
  color: var(--dn-bg-primary);
  font-weight: 600;
  line-height: 1.4;
}
.dn-ap-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-text-primary);
}
.dn-ap-float i { color: var(--dn-accent); font-size: 16px; }
.dn-ap-float-1 { top: 30px; left: 30px; }
.dn-ap-float-2 { top: 30px; right: 30px; }
.dn-ap-content { padding-left: 20px; }
.dn-ap-desc {
  font-size: 16px;
  color: var(--dn-text-secondary);
  line-height: 1.8;
  margin-bottom: 30px;
}
.dn-ap-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.dn-aph-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 12px;
  transition: all var(--dn-duration);
}
.dn-aph-item:hover {
  border-color: var(--dn-accent);
  transform: translateY(-3px);
}
.dn-aph-item > i {
  font-size: 24px;
  color: var(--dn-accent);
  flex-shrink: 0;
}
.dn-aph-item h4 {
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--dn-text-primary);
}
.dn-aph-item p {
  font-size: 13px;
  color: var(--dn-text-secondary);
  margin-bottom: 0;
}

/* ====== 页面标题头部（子页面共用） ====== */
.dn-page-header {
  position: relative;
  padding: 140px 0 100px;
  background: linear-gradient(135deg, var(--dn-bg-primary), var(--dn-bg-secondary));
  overflow: hidden;
}
.dn-page-header-detail { padding: 120px 0 80px; }
.dn-ph-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(25, 118, 210, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(197, 160, 89, 0.05) 0%, transparent 50%);
}
.dn-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  gap: 12px;
}
.dn-bc-item { font-size: 14px; }
.dn-bc-item a {
  color: var(--dn-text-secondary);
  text-decoration: none;
  transition: color var(--dn-duration);
}
.dn-bc-item a:hover { color: var(--dn-accent); }
.dn-bc-item.active { color: var(--dn-accent); }
.dn-bc-sep { color: var(--dn-text-muted); font-size: 12px; }
.dn-ph-article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.dn-ph-cat,
.dn-ph-date,
.dn-ph-views {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(197, 160, 89, 0.1);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-accent);
}
.dn-ph-keywords {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.dn-ph-tag {
  padding: 6px 14px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
}
.dn-ph-tag:hover {
  border-color: var(--dn-accent);
  color: var(--dn-accent);
}
.dn-ph-stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 24px;
}
.dn-ph-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 50px;
  font-size: 14px;
  color: var(--dn-text-secondary);
}
.dn-ph-stat-item i { color: var(--dn-accent); }

/* ====== 资讯列表页 ====== */
.dn-news-main { padding: var(--dn-section-pad) 0; background: var(--dn-bg-secondary); }
.dn-news-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.dn-filter-item {
  padding: 8px 18px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 50px;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-filter-item:hover,
.dn-filter-item.active {
  background: var(--dn-accent);
  border-color: var(--dn-accent);
  color: var(--dn-bg-primary);
  text-decoration: none;
}
/* 特色文章 */
.dn-news-featured {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  margin-bottom: 24px;
}
.dn-news-featured:hover {
  border-color: var(--dn-accent);
  box-shadow: var(--dn-shadow);
}
.dn-news-featured .dn-ni-img-wrap { height: 100%; min-height: 280px; }
.dn-news-featured .dn-ni-body { padding: 32px; }
.dn-news-featured .dn-ni-title { font-size: 22px; }
/* 普通文章卡片 */
.dn-news-list .dn-news-card { margin-bottom: 24px; }
/* 侧边栏 */
.dn-sidebar { padding-left: 30px; }
.dn-widget {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.dn-widget-title {
  font-size: 18px;
  color: var(--dn-text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dn-border-light);
}
.dn-widget-title i { color: var(--dn-accent); }
/* 搜索 */
.dn-search-input {
  background: var(--dn-surface) !important;
  border: 1px solid var(--dn-border-light) !important;
  color: var(--dn-text-primary) !important;
  border-radius: 8px 0 0 8px !important;
}
.dn-search-input::placeholder { color: var(--dn-text-muted); }
.dn-search-input:focus {
  box-shadow: none !important;
  border-color: var(--dn-accent) !important;
}
.dn-search-btn {
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark)) !important;
  border: none !important;
  color: var(--dn-bg-primary) !important;
  border-radius: 0 8px 8px 0 !important;
}
/* 随机推荐 */
.dn-random-list { list-style: none; padding: 0; margin: 0; }
.dn-random-list li { margin-bottom: 12px; }
.dn-random-list li:last-child { margin-bottom: 0; }
.dn-random-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 10px;
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-random-link:hover {
  background: rgba(197, 160, 89, 0.05);
  text-decoration: none;
}
.dn-random-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--dn-text-muted);
  line-height: 1;
  width: 32px;
  flex-shrink: 0;
}
.dn-random-info h4 {
  font-size: 14px;
  color: var(--dn-text-primary);
  margin-bottom: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.dn-random-date { font-size: 12px; color: var(--dn-text-muted); }
/* 栏目导航 */
.dn-cat-list { list-style: none; padding: 0; margin: 0; }
.dn-cat-list li { margin-bottom: 8px; }
.dn-cat-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--dn-surface);
  border-radius: 10px;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-cat-link:hover {
  background: rgba(197, 160, 89, 0.1);
  color: var(--dn-accent);
  text-decoration: none;
}
/* 标签云 */
.dn-tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.dn-tag-item {
  padding: 6px 14px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-tag-item:hover {
  background: rgba(197, 160, 89, 0.1);
  border-color: var(--dn-accent);
  color: var(--dn-accent);
  text-decoration: none;
}
/* 联系卡片 */
.dn-wc-card, .dn-wc-card2 {
  text-align: center;
  padding: 20px 10px;
}
.dn-wc-icon {
  font-size: 36px;
  color: var(--dn-accent);
  margin-bottom: 12px;
}
.dn-wc-card h3, .dn-wc-card2 h3 { font-size: 18px; margin-bottom: 8px; }
.dn-wc-card p, .dn-wc-card2 p { font-size: 13px; color: var(--dn-text-secondary); margin-bottom: 16px; }
.dn-wc-phone {
  font-size: 24px;
  font-weight: 700;
  color: var(--dn-accent);
  margin-bottom: 16px;
}
/* 阅读进度 */
.dn-read-progress {
  height: 6px;
  background: var(--dn-surface);
  border-radius: 3px;
  overflow: hidden;
}
.dn-read-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--dn-accent), var(--dn-primary));
  border-radius: 3px;
  transition: width 0.1s linear;
}
.dn-read-pct {
  display: block;
  text-align: center;
  margin-top: 8px;
  font-size: 14px;
  color: var(--dn-accent);
}
/* 分页 */
.dn-pagination-wrap { margin-top: 40px; }

/* ====== 文章详情页 ====== */
.dn-article-main { padding: var(--dn-section-pad) 0; background: var(--dn-bg-secondary); }
.dn-article-content { background: var(--dn-bg-card); border-radius: 20px; padding: 40px; }
.dn-article-cover {
  margin: -40px -40px 30px;
  border-radius: 20px 20px 0 0;
  overflow: hidden;
  height: 400px;
}
.dn-article-cover-img { width: 100%; height: 100%; object-fit: cover; }
.dn-article-cover-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(transparent, var(--dn-bg-card));
}
/* 文章内容样式 */
.dn-article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--dn-text-secondary);
}
.dn-article-body h2,
.dn-article-body h3,
.dn-article-body h4 {
  font-family: var(--dn-font-serif);
  color: var(--dn-text-primary);
  margin: 32px 0 16px;
}
.dn-article-body h2 { font-size: 28px; }
.dn-article-body h3 { font-size: 22px; }
.dn-article-body p { margin-bottom: 16px; }
.dn-article-body img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}
.dn-article-body ul, .dn-article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}
.dn-article-body li { margin-bottom: 8px; }
.dn-article-body blockquote {
  border-left: 4px solid var(--dn-accent);
  padding: 16px 24px;
  background: rgba(197, 160, 89, 0.05);
  border-radius: 0 12px 12px 0;
  margin: 20px 0;
  font-style: italic;
}
.dn-article-body a { color: var(--dn-accent); text-decoration: underline; }
.dn-article-body a:hover { color: var(--dn-accent-light); }
.dn-article-body table { width: 100%; margin: 20px 0; border-collapse: collapse; }
.dn-article-body th, .dn-article-body td {
  padding: 12px;
  border: 1px solid var(--dn-border-light);
  text-align: left;
}
.dn-article-body th {
  background: var(--dn-surface);
  color: var(--dn-text-primary);
  font-weight: 600;
}
/* 文章底部 */
.dn-article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0;
  margin-top: 30px;
  border-top: 1px solid var(--dn-border-light);
  border-bottom: 1px solid var(--dn-border-light);
}
.dn-af-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dn-af-label { font-size: 14px; color: var(--dn-text-muted); }
.dn-af-tag {
  padding: 6px 14px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 50px;
  font-size: 13px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-af-tag:hover { border-color: var(--dn-accent); color: var(--dn-accent); text-decoration: none; }
.dn-af-share { display: flex; align-items: center; gap: 8px; }
.dn-share-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 50%;
  color: var(--dn-text-secondary);
  cursor: pointer;
  transition: all var(--dn-duration);
}
.dn-share-btn:hover { background: var(--dn-accent); border-color: var(--dn-accent); color: var(--dn-bg-primary); }
/* 上下篇导航 */
.dn-article-nav { padding: 24px 0; }
.dn-an-prev, .dn-an-next {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 10px;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
}
.dn-an-prev:hover, .dn-an-next:hover {
  background: rgba(197, 160, 89, 0.1);
  border-color: var(--dn-accent);
  color: var(--dn-accent);
}
/* 相关推荐 */
.dn-article-related { margin-top: 40px; }
.dn-ar-title {
  font-size: 22px;
  margin-bottom: 24px;
  color: var(--dn-text-primary);
}
.dn-ar-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 12px;
  transition: all var(--dn-duration);
  text-decoration: none;
  color: inherit;
}
.dn-ar-card:hover { border-color: var(--dn-accent); transform: translateY(-3px); text-decoration: none; color: inherit; }
.dn-ar-img-wrap { width: 80px; height: 60px; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.dn-ar-img { width: 100%; height: 100%; object-fit: cover; }
.dn-ar-body { flex: 1; min-width: 0; }
.dn-ar-body h3 { font-size: 14px; margin-bottom: 8px; color: var(--dn-text-primary); line-height: 1.4; }
.dn-ar-date { font-size: 12px; color: var(--dn-text-muted); }
/* TOC */
.dn-toc { list-style: none; padding: 0; margin: 0; }
.dn-toc li { margin-bottom: 8px; }
.dn-toc a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-toc a:hover, .dn-toc a.active { background: rgba(197, 160, 89, 0.1); color: var(--dn-accent); }
/* 热门文章 */
.dn-hot-list { list-style: none; padding: 0; margin: 0; }
.dn-hot-list li { margin-bottom: 12px; }
.dn-hot-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 10px;
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-hot-link:hover { background: rgba(197, 160, 89, 0.05); text-decoration: none; }
.dn-hot-rank {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dn-surface);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--dn-text-muted);
  flex-shrink: 0;
}
.dn-hot-rank.top { background: var(--dn-accent); color: var(--dn-bg-primary); }
.dn-hot-info { flex: 1; min-width: 0; }
.dn-hot-info h4 { font-size: 14px; margin-bottom: 4px; color: var(--dn-text-primary); line-height: 1.4; }
.dn-hot-info span { font-size: 12px; color: var(--dn-text-muted); }
/* 债务类型 */
.dn-debt-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.dn-debt-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 10px;
  font-size: 13px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
  text-decoration: none;
}
.dn-debt-item:hover { background: rgba(197, 160, 89, 0.1); border-color: var(--dn-accent); color: var(--dn-accent); text-decoration: none; }
.dn-debt-item i { font-size: 20px; }

/* ====== 关于我们页 ====== */
.dn-about-intro {
  padding: var(--dn-section-pad) 0;
  background: var(--dn-bg-secondary);
}
.dn-ai-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}
.dn-ai-img { width: 100%; height: 500px; object-fit: cover; }
.dn-ai-content { padding-left: 20px; }
.dn-ai-text p { font-size: 16px; color: var(--dn-text-secondary); line-height: 1.9; margin-bottom: 16px; }
.dn-ai-contact { margin-top: 30px; display: flex; gap: 24px; flex-wrap: wrap; }
.dn-aic-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 12px;
}
.dn-aic-item i { font-size: 20px; color: var(--dn-accent); }
.dn-aic-item span { display: block; font-size: 12px; color: var(--dn-text-muted); }
.dn-aic-item span:last-child { font-size: 15px; color: var(--dn-text-primary); font-weight: 500; }
/* 优势 */
.dn-advantages { padding: var(--dn-section-pad) 0; background: var(--dn-bg-primary); }
.dn-adv-row { margin-top: 40px; }
.dn-adv-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 20px;
  padding: 32px;
  height: 100%;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  position: relative;
  overflow: hidden;
}
.dn-adv-card:hover {
  border-color: var(--dn-accent);
  transform: translateY(-8px);
  box-shadow: var(--dn-shadow);
}
.dn-adv-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 48px;
  color: rgba(197, 160, 89, 0.1);
  font-weight: 700;
  line-height: 1;
}
.dn-adv-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--dn-primary), var(--dn-primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin-bottom: 20px;
}
.dn-adv-card h3 { font-size: 20px; margin-bottom: 12px; }
.dn-adv-card p { font-size: 14px; color: var(--dn-text-secondary); line-height: 1.7; }
/* 团队 */
.dn-team { padding: var(--dn-section-pad) 0; background: var(--dn-bg-secondary); }
.dn-team-row { margin-top: 40px; }
.dn-team-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
}
.dn-team-card:hover { border-color: var(--dn-accent); transform: translateY(-8px); box-shadow: var(--dn-shadow); }
.dn-team-img-wrap { position: relative; height: 280px; overflow: hidden; }
.dn-team-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.dn-team-card:hover .dn-team-img { transform: scale(1.1); }
.dn-team-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--dn-bg-card));
}
.dn-team-body { padding: 24px; text-align: center; }
.dn-team-body h3 { font-size: 20px; margin-bottom: 4px; }
.dn-team-role {
  display: block;
  font-size: 14px;
  color: var(--dn-accent);
  margin-bottom: 12px;
}
.dn-team-body > p { font-size: 13px; color: var(--dn-text-secondary); margin-bottom: 16px; }
.dn-team-social { display: flex; justify-content: center; gap: 12px; }
.dn-team-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 50%;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
}
.dn-team-social a:hover { background: var(--dn-accent); border-color: var(--dn-accent); color: var(--dn-bg-primary); }
/* 荣誉 */
.dn-honors { padding: var(--dn-section-pad) 0; background: var(--dn-bg-primary); }
.dn-honors-row { margin-top: 40px; }
.dn-honor-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  height: 100%;
}
.dn-honor-card:hover {
  border-color: var(--dn-accent);
  transform: translateY(-6px);
  box-shadow: var(--dn-shadow-glow);
}
.dn-honor-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-primary));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin: 0 auto 16px;
}
.dn-honor-card h3 { font-size: 16px; margin-bottom: 8px; }
.dn-honor-card p { font-size: 13px; color: var(--dn-text-secondary); margin-bottom: 0; }
/* 承诺 */
.dn-promises { padding: var(--dn-section-pad) 0; background: var(--dn-bg-secondary); }
.dn-prom-content .dn-section-title { margin-bottom: 20px; }
.dn-prom-content > p { font-size: 16px; color: var(--dn-text-secondary); line-height: 1.8; margin-bottom: 30px; }
.dn-prom-list { display: flex; flex-direction: column; gap: 16px; }
.dn-prom-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 16px;
  transition: all var(--dn-duration);
}
.dn-prom-item:hover { border-color: var(--dn-accent); }
.dn-prom-icon {
  width: 48px;
  height: 48px;
  background: rgba(76, 175, 80, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--dn-success);
  flex-shrink: 0;
}
.dn-prom-text h3 { font-size: 18px; margin-bottom: 8px; }
.dn-prom-text p { font-size: 14px; color: var(--dn-text-secondary); line-height: 1.7; margin-bottom: 0; }

/* ====== 联系我们页 ====== */
.dn-contact-quick { padding: var(--dn-section-pad) 0; background: var(--dn-bg-secondary); }
.dn-cq-row { margin-top: 20px; }
.dn-cq-card {
  display: block;
  text-align: center;
  padding: 32px 20px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 20px;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  text-decoration: none;
  color: inherit;
  height: 100%;
}
.dn-cq-card:hover {
  border-color: var(--dn-accent);
  transform: translateY(-8px);
  box-shadow: var(--dn-shadow);
  text-decoration: none;
  color: inherit;
}
.dn-cq-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--dn-primary), var(--dn-primary-dark));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  margin: 0 auto 16px;
}
.dn-cq-card h3 { font-size: 18px; margin-bottom: 8px; }
.dn-cq-card > p { font-size: 14px; color: var(--dn-accent); font-weight: 600; margin-bottom: 8px; }
.dn-cq-card > span { font-size: 13px; color: var(--dn-text-muted); }

/* 联系表单区域 */
.dn-contact-main { padding: var(--dn-section-pad) 0; background: var(--dn-bg-primary); }
.dn-contact-form-wrap { background: var(--dn-bg-card); border: 1px solid var(--dn-border-light); border-radius: 24px; padding: 40px; }
.dn-cf-header { margin-bottom: 32px; }
.dn-cf-header .dn-section-title { margin-bottom: 8px; }
.dn-cf-header p { font-size: 15px; color: var(--dn-text-secondary); }
/* 表单元素 */
.dn-form-group { position: relative; }
.dn-form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--dn-text-primary);
  margin-bottom: 8px;
}
.dn-form-label i { color: var(--dn-accent); }
.dn-form-label span { color: var(--dn-danger); }
.dn-form-input, .dn-form-textarea {
  background: var(--dn-surface) !important;
  border: 1px solid var(--dn-border-light) !important;
  border-radius: 12px !important;
  color: var(--dn-text-primary) !important;
  padding: 14px 16px !important;
  font-size: 15px !important;
  transition: all var(--dn-duration) !important;
}
.dn-form-input:focus, .dn-form-textarea:focus {
  border-color: var(--dn-accent) !important;
  box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.1) !important;
}
.dn-form-input::placeholder, .dn-form-textarea::placeholder { color: var(--dn-text-muted); }
.dn-form-line {
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, var(--dn-accent), var(--dn-primary));
  transform: scaleX(0);
  transition: transform var(--dn-duration) var(--dn-ease-jelly);
}
.dn-form-input:focus ~ .dn-form-line,
.dn-form-textarea:focus ~ .dn-form-line { transform: scaleX(1); }
/* 债务类型选择 */
.dn-debt-types-check { display: flex; flex-wrap: wrap; gap: 10px; }
.dn-dt-check { cursor: pointer; }
.dn-dt-check input { display: none; }
.dn-dt-check span {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 10px;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
}
.dn-dt-check input:checked + span {
  background: rgba(197, 160, 89, 0.15);
  border-color: var(--dn-accent);
  color: var(--dn-accent);
}
/* 提交按钮 */
.dn-btn-submit { position: relative; }
.dn-btn-loader {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark));
  border-radius: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dn-duration);
}
.dn-btn-loader::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.dn-btn-submit.loading .dn-btn-loader { opacity: 1; }
.dn-form-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--dn-text-muted);
  text-align: center;
}
.dn-form-note i { color: var(--dn-success); }
/* 表单成功提示 */
.dn-form-success {
  display: none;
  text-align: center;
  padding: 60px 20px;
}
.dn-form-success.show { display: block; animation: fade-up 0.6s var(--dn-ease-jelly); }
.dn-fs-content i {
  font-size: 64px;
  color: var(--dn-success);
  margin-bottom: 20px;
  display: block;
}
.dn-fs-content h3 { font-size: 24px; margin-bottom: 12px; }
.dn-fs-content p { font-size: 15px; color: var(--dn-text-secondary); margin-bottom: 24px; }
/* 联系侧边栏 */
.dn-contact-widget h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--dn-text-primary);
}
.dn-cw-qr-wrap { text-align: center; }
.dn-cw-qr {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.dn-cw-qr-wrap p { font-size: 14px; color: var(--dn-text-secondary); }
.dn-cw-hint { font-size: 12px; color: var(--dn-text-muted); }
/* 服务流程 */
.dn-cw-process-list { display: flex; flex-direction: column; gap: 0; }
.dn-cwp-item { display: flex; align-items: flex-start; gap: 16px; }
.dn-cwp-num {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-primary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.dn-cwp-text h4 { font-size: 15px; margin-bottom: 4px; }
.dn-cwp-text p { font-size: 13px; color: var(--dn-text-secondary); margin-bottom: 0; }
.dn-cwp-arrow {
  display: flex;
  justify-content: center;
  padding: 8px 0;
  color: var(--dn-accent);
  font-size: 16px;
}
/* FAQ */
.dn-cw-faq-list { display: flex; flex-direction: column; gap: 8px; }
.dn-faq-item {
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--dn-duration);
}
.dn-faq-item:hover { border-color: var(--dn-border); }
.dn-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dn-text-primary);
  cursor: pointer;
  list-style: none;
}
.dn-faq-item summary::-webkit-details-marker { display: none; }
.dn-faq-item summary i { transition: transform var(--dn-duration); color: var(--dn-accent); }
.dn-faq-item[open] summary i { transform: rotate(45deg); }
.dn-faq-answer { padding: 0 16px 16px; }
.dn-faq-answer p { font-size: 13px; color: var(--dn-text-secondary); line-height: 1.7; margin-bottom: 0; }
/* 紧急联系 */
.dn-ce-phone { text-align: center; margin-bottom: 20px; }
.dn-ce-num {
  display: inline-flex;
  align-items: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--dn-accent);
  margin-bottom: 8px;
}
.dn-ce-phone > p { font-size: 13px; color: var(--dn-text-muted); }
/* 服务区域 */
.dn-service-areas { padding: var(--dn-section-pad) 0; background: var(--dn-bg-secondary); }
.dn-sa-row { margin-top: 40px; }
.dn-sa-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border-light);
  border-radius: 20px;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  height: 100%;
}
.dn-sa-card:hover { border-color: var(--dn-accent); transform: translateY(-8px); box-shadow: var(--dn-shadow); }
.dn-sa-card > i {
  font-size: 48px;
  color: var(--dn-accent);
  margin-bottom: 20px;
  display: block;
}
.dn-sa-card h3 { font-size: 20px; margin-bottom: 12px; }
.dn-sa-card p { font-size: 14px; color: var(--dn-text-secondary); line-height: 1.7; }

/* ====== 底部CTA区域（各页共用） ====== */
.dn-list-cta, .dn-detail-cta, .dn-about-cta, .dn-contact-cta {
  padding: var(--dn-section-pad-sm) 0;
  background: var(--dn-bg-secondary);
}
.dn-lcta-card, .dn-dcta-card, .dn-acta-card, .dn-ccta-card {
  background: linear-gradient(135deg, var(--dn-bg-card), var(--dn-surface));
  border: 1px solid var(--dn-border);
  border-radius: 20px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.dn-lcta-card h2, .dn-dcta-card h3, .dn-acta-card h2, .dn-ccta-card h2 {
  font-family: var(--dn-font-serif);
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 12px;
  color: var(--dn-text-primary);
}
.dn-lcta-card p, .dn-dcta-card p, .dn-acta-card p, .dn-ccta-card p {
  font-size: 15px;
  color: var(--dn-text-secondary);
  margin-bottom: 0;
}

/* ====== 悬浮CTA ====== */
.dn-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--dn-border);
  padding: 12px 0;
  z-index: 998;
  transform: translateY(100%);
  transition: transform var(--dn-duration) var(--dn-ease-jelly);
}
.dn-sticky-cta.visible { transform: translateY(0); }
.dn-sticky-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.dn-sticky-text { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--dn-text-secondary); }
.dn-sticky-text i { color: var(--dn-accent); font-size: 18px; }
.dn-sticky-divider { color: var(--dn-border); }
.dn-sticky-btns { display: flex; gap: 10px; }
.dn-btn-sticky {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--dn-duration) var(--dn-ease-jelly);
}
.dn-btn-sticky:hover { transform: translateY(-2px); }
.dn-btn-sticky-phone {
  background: linear-gradient(135deg, var(--dn-success), #388E3C);
  color: #fff;
}
.dn-btn-sticky-consult {
  background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dark));
  color: var(--dn-bg-primary);
}

/* ====== 页脚 ====== */
.dn-footer { background: var(--dn-bg-primary); border-top: 1px solid var(--dn-border); }
.dn-footer-main { padding: 80px 0 40px; }
.dn-footer-brand .dn-footer-logo-link { display: inline-block; margin-bottom: 20px; }
.dn-footer-logo { height: 48px; width: auto; }
.dn-footer-desc { font-size: 14px; color: var(--dn-text-secondary); line-height: 1.8; margin-bottom: 24px; }
.dn-footer-contact { display: flex; flex-direction: column; gap: 12px; }
.dn-fcontact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--dn-text-secondary); }
.dn-fcontact-item i { color: var(--dn-accent); width: 20px; }
.dn-fcontact-item a { color: var(--dn-accent); }

.dn-footer-col .dn-footer-title {
  font-size: 18px;
  color: var(--dn-text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dn-border-light);
}
.dn-footer-title i { color: var(--dn-accent); }
.dn-footer-links { list-style: none; padding: 0; margin: 0; }
.dn-footer-links li { margin-bottom: 10px; }
.dn-footer-links a {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--dn-text-secondary);
  transition: all var(--dn-duration);
}
.dn-footer-links a:hover { color: var(--dn-accent); transform: translateX(4px); }
.dn-footer-links a i { font-size: 10px; color: var(--dn-accent); }

.dn-wechat-box { text-align: center; }
.dn-wechat-qr { width: 140px; height: 140px; border-radius: 12px; margin-bottom: 12px; }
.dn-wechat-text { font-size: 13px; color: var(--dn-accent); margin-bottom: 4px; }
.dn-wechat-hint { font-size: 12px; color: var(--dn-text-muted); }

.dn-footer-promises { list-style: none; padding: 0; margin: 0; }
.dn-footer-promises li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--dn-text-secondary);
}
.dn-footer-promises li i { color: var(--dn-success); font-size: 16px; }

/* 友情链接 */
.dn-friendlinks {
  padding: 20px 0;
  border-top: 1px solid var(--dn-border-light);
  border-bottom: 1px solid var(--dn-border-light);
}
.dn-friendlinks-inner { display: flex; align-items: center; gap: 16px; }
.dn-fl-label { font-size: 14px; color: var(--dn-text-muted); flex-shrink: 0; }
.dn-fl-label i { color: var(--dn-accent); }
.dn-fl-list { display: flex; flex-wrap: wrap; gap: 12px; }
.dn-fl-list a {
  font-size: 13px;
  color: var(--dn-text-muted);
  transition: color var(--dn-duration);
}
.dn-fl-list a:hover { color: var(--dn-accent); }

/* 版权底部 */
.dn-footer-bottom { padding: 24px 0; }
.dn-footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.dn-copyright p { font-size: 13px; color: var(--dn-text-muted); }
.dn-copyright a { color: var(--dn-text-muted); }
.dn-copyright a:hover { color: var(--dn-accent); }
.dn-copyright-text a { margin: 0 4px; }
.dn-footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.dn-tag {
  padding: 4px 12px;
  background: var(--dn-surface);
  border: 1px solid var(--dn-border-light);
  border-radius: 50px;
  font-size: 12px;
  color: var(--dn-text-muted);
}

/* 回到顶部按钮 */
.dn-backtop {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--dn-accent);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dn-bg-primary);
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--dn-duration) var(--dn-ease-jelly);
  z-index: 998;
  pointer-events: none;
}
.dn-backtop.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.dn-backtop:hover { transform: translateY(-4px); box-shadow: var(--dn-shadow-glow); }

/* ====== 滚动渐进动画 ====== */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--dn-ease-smooth), transform 0.8s var(--dn-ease-smooth);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ====== 响应式适配 ====== */
@media (max-width: 991px) {
  :root { --dn-section-pad: 8vh; }
  .dn-megamenu { min-width: auto; }
  .dn-sidebar { padding-left: 0; margin-top: 40px; }
  .dn-services-sticky, .dn-news-sticky { position: relative; top: 0; margin-bottom: 30px; }
  .dn-hero-visual { display: none; }
  .dn-hero-stats-row { gap: 24px; }
  .dn-tl-left, .dn-tl-right { padding: 0 0 0 60px; justify-content: flex-start; }
  .dn-timeline-line { left: 20px; }
  .dn-tl-dot { left: 20px; }
  .dn-cities-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
  .dn-sticky-cta { display: none; }
  .dn-ap-content { padding-left: 0; }
}

@media (max-width: 767px) {
  .dn-hero { min-height: auto; padding: 60px 0; }
  .dn-hero-title { font-size: 32px; }
  .dn-hero-desc { font-size: 15px; }
  .dn-hero-actions { flex-direction: column; }
  .dn-hero-actions .dn-btn { width: 100%; }
  .dn-hero-stats-row { gap: 16px; }
  .dn-hstat-num { font-size: 24px; }
  .dn-counter { font-size: 36px; }
  .dn-section-title { font-size: 24px; }
  .dn-cities-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .dn-city-item { padding: 10px 4px; font-size: 12px; }
  .dn-footer-bottom-inner { flex-direction: column; text-align: center; }
  .dn-friendlinks-inner { flex-direction: column; align-items: flex-start; }
  .dn-news-featured .dn-ni-body { padding: 20px; }
  .dn-article-content { padding: 20px; }
  .dn-article-cover { margin: -20px -20px 20px; height: 250px; }
  .dn-contact-form-wrap { padding: 24px; }
  .dn-cta-card, .dn-lcta-card, .dn-dcta-card, .dn-acta-card, .dn-ccta-card { padding: 24px; }
  .dn-ap-highlights { grid-template-columns: 1fr; }
  .dn-glitch-img-wrap { height: 180px; }
}

@media (max-width: 575px) {
  .dn-topbar .col-12 { text-align: center; }
  .dn-brand-text { display: none !important; }
  .dn-hero-title { font-size: 28px; }
  .dn-stats-row .col-6 { padding: 0 6px; }
  .dn-stat-card { padding: 24px 12px; }
  .dn-counter { font-size: 28px; }
  .dn-services-grid .col-sm-6 { padding: 0 8px; }
  .dn-service-card { margin-bottom: 16px; }
  .dn-svc-img-wrap { height: 150px; }
  .dn-glitch-img-wrap { height: 160px; }
  .dn-team-img-wrap { height: 220px; }
  .dn-honor-card { padding: 24px 16px; }
  .dn-prom-item { flex-direction: column; gap: 12px; }
  .dn-cq-card { padding: 24px 16px; }
}

/* ====== 减少动画偏好 ====== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}