:root {
  --primary: #e8546b;
  --primary-dark: #c73e54;
  --primary-light: #ff8fa3;
  --secondary: #f7a1b0;
  --accent: #ffd6de;
  --accent-2: #ffe8d6;
  --accent-3: #d6e8ff;
  --bg: #fffafb;
  --bg-alt: #fff0f3;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-strong: rgba(255, 255, 255, 0.86);
  --text: #2d2d2d;
  --text-light: #666;
  --text-muted: #999;
  --border: #f0d5db;
  --border-glass: rgba(255, 255, 255, 0.6);
  --card-bg: #ffffff;
  --card-bg-glass: rgba(255, 255, 255, 0.66);
  --shadow: 0 4px 20px rgba(232, 84, 107, 0.08);
  --shadow-hover: 0 12px 36px rgba(232, 84, 107, 0.18);
  --shadow-glass: 0 8px 32px rgba(232, 84, 107, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --grad-hero-1: linear-gradient(135deg, #ffe0e6 0%, #fff5f7 50%, #ffe8d6 100%);
  --grad-hero-2: linear-gradient(135deg, #fff0e0 0%, #fffaf5 50%, #ffe0e6 100%);
  --grad-hero-3: linear-gradient(135deg, #e0f0ff 0%, #f5faff 50%, #ffe0e6 100%);
  --grad-primary: linear-gradient(135deg, #e8546b 0%, #ff8fa3 100%);
  --grad-accent: linear-gradient(135deg, #f7a1b0 0%, #ffd6de 100%);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --primary: #ff7a8f;
  --primary-dark: #e8546b;
  --primary-light: #ffa8b8;
  --secondary: #c73e54;
  --accent: #4a2530;
  --accent-2: #4a3520;
  --accent-3: #20304a;
  --bg: #1a1418;
  --bg-alt: #241a1f;
  --bg-glass: rgba(36, 26, 31, 0.72);
  --bg-glass-strong: rgba(36, 26, 31, 0.88);
  --text: #e8e0e2;
  --text-light: #b8acb0;
  --text-muted: #8a7e82;
  --border: #3a2a30;
  --border-glass: rgba(255, 255, 255, 0.08);
  --card-bg: #241a1f;
  --card-bg-glass: rgba(45, 32, 38, 0.66);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.45);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4);
  --grad-hero-1: linear-gradient(135deg, #3a1f27 0%, #241a1f 50%, #3a2a20 100%);
  --grad-hero-2: linear-gradient(135deg, #3a2f1f 0%, #241a1f 50%, #3a1f27 100%);
  --grad-hero-3: linear-gradient(135deg, #1f2a3a 0%, #241a1f 50%, #3a1f27 100%);
  --grad-primary: linear-gradient(135deg, #ff7a8f 0%, #e8546b 100%);
  --grad-accent: linear-gradient(135deg, #c73e54 0%, #4a2530 100%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

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

svg {
  display: block;
}

ul, ol {
  list-style: none;
}

::selection {
  background: var(--primary);
  color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

/* ==================== 顶部栏 ==================== */
.top-bar {
  background: var(--grad-primary);
  color: #fff;
  font-size: 13px;
  padding: 8px 0;
  position: relative;
  z-index: 1001;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar span {
  font-weight: 500;
  letter-spacing: 0.3px;
}

.top-bar a {
  color: #fff;
  opacity: 0.9;
}

.top-bar a:hover {
  opacity: 1;
  color: #fff;
}

.theme-toggle {
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 5px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: background var(--transition), transform var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.38);
  transform: translateY(-1px);
}

.theme-toggle:active {
  transform: translateY(0);
}

/* ==================== 头部导航 ==================== */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: background var(--transition), box-shadow var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.logo:hover {
  transform: scale(1.03);
  color: var(--primary);
}

.logo svg {
  width: 40px;
  height: 40px;
  transition: transform var(--transition-slow);
}

.logo:hover svg {
  transform: rotate(-8deg) scale(1.08);
}

.main-nav ul {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.main-nav a {
  display: block;
  padding: 8px 15px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--grad-primary);
  border-radius: 2px;
  transition: transform var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: var(--bg-alt);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.search-box {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-alt);
  transition: border-color var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 84, 107, 0.12);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 9px 16px;
  font-size: 14px;
  width: 160px;
  outline: none;
  color: var(--text);
  font-family: inherit;
  transition: width var(--transition);
}

.search-box input:focus {
  width: 200px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  border: none;
  background: var(--grad-primary);
  color: #fff;
  padding: 9px 18px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  transition: opacity var(--transition);
}

.search-box button:hover {
  opacity: 0.9;
}

.menu-toggle {
  display: none;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 13px;
  cursor: pointer;
  color: var(--text);
  font-size: 18px;
  font-family: inherit;
  transition: background var(--transition), color var(--transition);
}

.menu-toggle:hover {
  background: var(--accent);
  color: var(--primary);
}

/* ==================== 面包屑 ==================== */
.breadcrumb-nav {
  padding: 14px 0;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumb-nav ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb-nav li + li::before {
  content: "›";
  margin-right: 6px;
  color: var(--text-muted);
}

.breadcrumb-nav a {
  color: var(--text-light);
}

.breadcrumb-nav a:hover {
  color: var(--primary);
}

.breadcrumb-nav [aria-current="page"] {
  color: var(--primary);
  font-weight: 500;
}

/* ==================== Hero 轮播 ==================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
}

.slider {
  position: relative;
  height: 460px;
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.slide::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent 70%);
  top: -180px;
  right: -120px;
  pointer-events: none;
}

.slide::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 84, 107, 0.12), transparent 70%);
  bottom: -160px;
  left: -100px;
  pointer-events: none;
}

.slide-content {
  max-width: 780px;
  position: relative;
  z-index: 2;
  animation: slideUp 0.9s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.slide.active .slide-content {
  animation: slideUp 0.9s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.slide h1 {
  font-size: 38px;
  line-height: 1.4;
  margin-bottom: 18px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.slide h1 .hl {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.slide h1 .hl::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 10px;
  background: var(--accent);
  opacity: 0.5;
  z-index: -1;
  border-radius: 4px;
}

.slide p {
  font-size: 17px;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.9;
}

.slide .btn {
  display: inline-block;
  background: var(--grad-primary);
  color: #fff;
  padding: 14px 36px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 20px rgba(232, 84, 107, 0.3);
}

.slide .btn:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(232, 84, 107, 0.42);
}

.slide-1 { background: var(--grad-hero-1); }
.slide-2 { background: var(--grad-hero-2); }
.slide-3 { background: var(--grad-hero-3); }

.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}

.slider-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: rgba(232, 84, 107, 0.3);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), width var(--transition);
  padding: 0;
}

.slider-dots button:hover {
  background: rgba(232, 84, 107, 0.6);
}

.slider-dots button.active {
  background: var(--primary);
  width: 32px;
  border-radius: 6px;
  transform: scale(1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 通用区块 ==================== */
.section {
  padding: 64px 0;
  position: relative;
}

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

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 30px;
  color: var(--text);
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 4px;
  background: var(--grad-primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-light);
  font-size: 15px;
  max-width: 700px;
  margin: 20px auto 0;
  line-height: 1.9;
}

/* ==================== 网格布局 ==================== */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ==================== 卡片 ==================== */
.card {
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 84, 107, 0.25);
}

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

.card h3 {
  font-size: 19px;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
}

.card h4 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--primary);
  font-weight: 600;
}

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

.card p + h4 {
  margin-top: 14px;
}

.card .icon {
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
  box-shadow: 0 4px 14px rgba(232, 84, 107, 0.18);
}

.card:hover .icon {
  transform: scale(1.1) rotate(-5deg);
}

.card .icon svg {
  width: 28px;
  height: 28px;
}

/* ==================== 数据统计 ==================== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 16px;
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.stat-item .num {
  font-size: 42px;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-item .label {
  color: var(--text-light);
  font-size: 15px;
  margin-top: 8px;
  font-weight: 500;
}

/* ==================== 文章列表 ==================== */
.article-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.article-card .thumb {
  height: 170px;
  overflow: hidden;
  position: relative;
}

.article-card .thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(232, 84, 107, 0.08));
  pointer-events: none;
}

.article-card .thumb svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .thumb svg {
  transform: scale(1.06);
}

.article-card .body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card .meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.article-card .meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-card .meta span:last-child {
  color: var(--primary);
  background: var(--bg-alt);
  padding: 1px 10px;
  border-radius: 10px;
  font-weight: 500;
}

.article-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  line-height: 1.55;
  font-weight: 700;
  transition: color var(--transition);
}

.article-card:hover h3 {
  color: var(--primary);
}

.article-card p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.9;
  flex: 1;
}

.article-card .read-more {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.article-card .read-more:hover {
  gap: 10px;
}

/* ==================== FAQ 手风琴 ==================== */
.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: rgba(232, 84, 107, 0.3);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: inherit;
  line-height: 1.6;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-item.open .faq-question {
  color: var(--primary);
}

.faq-question .arrow {
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--primary);
  font-size: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
  background: var(--accent);
}

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

.faq-answer-inner {
  padding: 0 26px 22px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.95;
}

/* ==================== HowTo 步骤 ==================== */
.howto-steps {
  counter-reset: step;
  max-width: 920px;
  margin: 0 auto;
}

.howto-step {
  position: relative;
  padding: 26px 26px 26px 84px;
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  margin-bottom: 18px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.howto-step:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
}

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 26px;
  top: 26px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(232, 84, 107, 0.3);
  transition: transform var(--transition);
}

.howto-step:hover::before {
  transform: scale(1.1);
}

.howto-step h4 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
}

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

/* ==================== 案例卡片 ==================== */
.case-card {
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.case-card .case-img {
  height: 190px;
  overflow: hidden;
}

.case-card .case-img svg {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
}

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

.case-card .case-body {
  padding: 22px;
}

.case-card h4 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
}

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

/* ==================== 客户评价 ==================== */
.testimonial {
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.testimonial::before {
  content: "\201C";
  position: absolute;
  top: 4px;
  left: 20px;
  font-size: 64px;
  color: var(--accent);
  line-height: 1;
  font-family: Georgia, serif;
  opacity: 0.8;
}

.testimonial p {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  line-height: 1.9;
  padding-top: 8px;
}

.testimonial .author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial .avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(232, 84, 107, 0.22);
}

.testimonial .author-info .name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}

.testimonial .author-info .role {
  font-size: 13px;
  color: var(--text-muted);
}

/* ==================== 联系区域 ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
}

.contact-info-item .ci-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
}

.contact-info-item:hover .ci-icon {
  background: var(--accent);
  transform: scale(1.08);
}

.contact-info-item .ci-icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 600;
}

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

.contact-form {
  background: var(--card-bg-glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-glass);
}

.contact-form h3 {
  font-size: 19px;
  margin-bottom: 20px;
  color: var(--text);
  font-weight: 700;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 84, 107, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.7;
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  padding: 13px 36px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 20px rgba(232, 84, 107, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(232, 84, 107, 0.42);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.map-placeholder {
  height: 270px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 8px;
}

.map-placeholder svg {
  width: 100%;
  height: 100%;
}

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

.team-card {
  text-align: center;
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 32px 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.team-card .team-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto 18px;
  overflow: hidden;
  transition: transform var(--transition);
  box-shadow: 0 6px 18px rgba(232, 84, 107, 0.18);
}

.team-card:hover .team-avatar {
  transform: scale(1.08);
}

.team-card .team-avatar svg {
  width: 100%;
  height: 100%;
}

.team-card h4 {
  font-size: 17px;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 700;
}

.team-card .role {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}

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

/* ==================== 锚点导航 ==================== */
.anchor-nav {
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 36px;
  box-shadow: var(--shadow);
}

.anchor-nav h3 {
  font-size: 16px;
  margin-bottom: 14px;
  color: var(--text);
  font-weight: 700;
}

.anchor-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.anchor-nav a {
  display: inline-block;
  padding: 7px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-light);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.anchor-nav a:hover {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}

/* ==================== 作者框 ==================== */
.author-box {
  display: flex;
  gap: 18px;
  background: var(--card-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 28px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}

.author-box:hover {
  box-shadow: var(--shadow-hover);
}

.author-box .author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(232, 84, 107, 0.2);
}

.author-box .author-avatar svg {
  width: 100%;
  height: 100%;
}

.author-box .author-detail h4 {
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 700;
}

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

.update-info {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ==================== 信任徽章 ==================== */
.trust-badges {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
  background: var(--card-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  padding: 9px 16px;
  border-radius: 22px;
  transition: transform var(--transition), border-color var(--transition), color var(--transition);
}

.trust-badge:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary);
}

.trust-badge svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* ==================== 滚动动画 ==================== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

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

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* ==================== 返回顶部 ==================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 22px rgba(232, 84, 107, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow var(--transition);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 10px 30px rgba(232, 84, 107, 0.55);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

/* ==================== 页脚 ==================== */
footer.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 56px 0 28px;
  margin-top: 48px;
  position: relative;
}

footer.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--text);
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--grad-primary);
  border-radius: 2px;
}

.footer-col p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 8px;
  line-height: 1.8;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition), transform var(--transition);
}

.footer-col ul a::before {
  content: "›";
  color: var(--primary);
  font-weight: 700;
  transition: transform var(--transition);
}

.footer-col ul a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 26px;
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
}

.footer-bottom p {
  margin-bottom: 6px;
  line-height: 1.8;
}

.footer-bottom a {
  color: var(--text-light);
}

.footer-bottom a:hover {
  color: var(--primary);
}

.copyright-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ==================== 懒加载 ==================== */
.lazy-img {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.lazy-img.loaded {
  opacity: 1;
}

/* ==================== 响应式 ==================== */
@media (max-width: 992px) {
  .grid-4,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .slide h1 {
    font-size: 32px;
  }

  .slider {
    height: 420px;
  }

  .search-box input {
    width: 130px;
  }

  .search-box input:focus {
    width: 160px;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 80px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-glass);
    padding: 14px 20px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
    animation: navDrop 0.3s ease;
  }

  .main-nav.open {
    display: block;
  }

  @keyframes navDrop {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .main-nav a {
    display: block;
    padding: 12px 16px;
  }

  .main-nav a::after {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .search-box {
    display: none;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .slider {
    height: auto;
    min-height: 400px;
    border-radius: 0 0 var(--radius) var(--radius);
  }

  .slide {
    padding: 60px 20px;
  }

  .slide h1 {
    font-size: 25px;
  }

  .slide p {
    font-size: 15px;
  }

  .slide .btn {
    padding: 12px 28px;
    font-size: 15px;
  }

  .slide::before,
  .slide::after {
    width: 280px;
    height: 280px;
  }

  .grid-2,
  .grid-3,
  .article-list,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 44px 0;
  }

  .section-title h2 {
    font-size: 23px;
  }

  .section-title p {
    font-size: 14px;
  }

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

  .card {
    padding: 24px;
  }

  .howto-step {
    padding: 24px 22px 24px 72px;
  }

  .howto-step::before {
    left: 20px;
    top: 24px;
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 20px 20px;
    font-size: 14px;
  }

  .contact-form {
    padding: 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 46px;
    height: 46px;
  }

  .stat-item .num {
    font-size: 34px;
  }

  .anchor-nav {
    padding: 18px 20px;
  }

  .author-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

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

  .slide h1 {
    font-size: 21px;
  }

  .slide p {
    font-size: 14px;
  }

  .container {
    padding: 0 16px;
  }

  .top-bar .container {
    justify-content: center;
    text-align: center;
  }

  .top-bar span {
    width: 100%;
  }

  .logo {
    font-size: 19px;
  }

  .logo svg {
    width: 34px;
    height: 34px;
  }

  .section-title h2 {
    font-size: 20px;
  }

  .card {
    padding: 20px;
  }

  .card h3 {
    font-size: 17px;
  }

  .article-card .thumb {
    height: 140px;
  }

  .case-card .case-img {
    height: 160px;
  }

  .testimonial {
    padding: 24px;
  }
}

/* ==================== 无障碍与动效偏好 ==================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==================== 打印样式 ==================== */
@media print {
  .top-bar,
  header.site-header,
  .slider-dots,
  .back-to-top,
  footer.site-footer,
  .theme-toggle,
  .menu-toggle,
  .search-box {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .card,
  .article-card,
  .faq-item {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 5px;
  border: 2px solid var(--bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ==================== 焦点可见性 ==================== */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}