@charset "UTF-8";

/**
 * =========================================================================
 * 鲸邻助贷系统官网 - 核心样式文件 (style.css)
 * 开发规范：BEM 命名规范、模块化结构
 * 技术栈：纯 CSS3，无框架依赖
 * =========================================================================
 */

/* ================= CSS 变量与基础重置 ================= */
:root {
  /* 品牌色 */
  --primary-color: #165DFF;     /* 科技蓝 */
  --secondary-color: #36CFC9;   /* 辅助浅蓝 */
  --hover-color: #4080FF;       /* 按钮 hover */
  
  /* 中性色 */
  --bg-white: #FFFFFF;
  --bg-light: #F5F7FA;
  --bg-dark: #1D2129;
  
  /* 文字色 */
  --text-main: #333333;         /* 正文 */
  --text-sub: #666666;          /* 次要文本 */
  --text-light: #86909C;        /* 弱化文本 */
  
  /* 边框与阴影 */
  --border-color: #E5E6EB;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(22, 93, 255, 0.1);
  
  /* 排版 */
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --container-width: 1200px;
  --border-radius: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ================= 通用布局 ================= */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--bg-light);
}

.bg-light-gradient {
  background: linear-gradient(180deg, #f8fafc 0%, #edf2f7 100%);
}

.section__title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  color: var(--bg-dark);
}

.section__title--left {
  text-align: left;
}

.text-highlight {
  color: var(--primary-color);
}

/* 按钮组件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
  min-height: 44px; /* 触控标准 */
}

.btn--primary {
  background-color: var(--primary-color);
  color: var(--bg-white);
}

.btn--primary:hover {
  background-color: var(--hover-color);
  color: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.btn--large {
  padding: 14px 40px;
  font-size: 18px;
  border-radius: var(--border-radius);
}

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

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

/* 卡片组件 */
.card {
  background: var(--bg-white);
  border-radius: var(--border-radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card--hover-float:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card__icon-box {
  width: 64px;
  height: 64px;
  background-color: rgba(22, 93, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary-color);
  font-size: 32px;
}

.card__icon-box--ai {
  background-color: rgba(54, 207, 201, 0.1);
  color: var(--secondary-color);
}

.card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--bg-dark);
  line-height: 1.4;
}

/* ================= 轮播图模块 ================= */
.hero {
  position: relative;
  height: 55vh;
  min-height: 400px;
  overflow: hidden;
  background-color: var(--bg-dark);
}

.hero__carousel,
.hero__track,
.hero__slide {
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  display: flex;
  align-items: center;
  z-index: 1;
}

.hero__slide--active {
  opacity: 1;
  z-index: 2;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -1;
  transform: scale(1.05);
  transition: transform 6s ease-out;
}

.hero__slide--active .hero__bg {
  transform: scale(1);
}

/* 科技感网格蒙层 */
.hero__bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
}

/* 带有光晕的科技感背景 */
.hero__bg--slide1 {
  background: 
    radial-gradient(circle at 20% 50%, rgba(22, 93, 255, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(54, 207, 201, 0.2) 0%, transparent 50%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.hero__bg--slide2 {
  background: 
    radial-gradient(circle at 80% 30%, rgba(54, 207, 201, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(22, 93, 255, 0.3) 0%, transparent 50%),
    linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.hero__content {
  color: var(--bg-white);
  text-align: center;
  position: relative;
  z-index: 3;
  width: 100%;
}

/* 错落有致的入场动画 */
@keyframes slideUpFade {
  0% { transform: translateY(30px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ================= 轮播图装饰元素 (AI & 营销) ================= */
.hero__deco {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none; /* 防止遮挡点击 */
}

/* AI 节点与连线 */
.deco-ai-node {
  position: absolute;
  width: 12px;
  height: 12px;
  background-color: var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--primary-color), 0 0 30px var(--primary-color);
  opacity: 0.8;
  animation: pulseNode 3s infinite alternate;
}

.deco-ai-node--1 { top: 20%; left: 15%; animation-delay: 0s; }
.deco-ai-node--2 { top: 60%; left: 25%; animation-delay: 1s; }
.deco-ai-node--3 { top: 30%; left: 80%; animation-delay: 2s; }

.deco-ai-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(22, 93, 255, 0.6), transparent);
  background-size: 200% 100%;
  animation: flowData 3s linear infinite;
}

.deco-ai-line--1 {
  top: 40%; left: 15%; width: 200px; height: 2px;
  transform: rotate(30deg); transform-origin: left top;
}
.deco-ai-line--2 {
  top: 30%; left: 60%; width: 300px; height: 2px;
  transform: rotate(-15deg); transform-origin: left top;
  animation-delay: 1.5s;
}

/* 玻璃拟态营销徽章 */
.deco-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 16px 24px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  animation: floatFloat 6s ease-in-out infinite;
}

.deco-badge--left { top: 30%; left: 10%; }
.deco-badge--right { top: 40%; right: 10%; animation-delay: 3s; }

.deco-badge__val {
  font-size: 28px;
  font-weight: 800;
  color: #36cfc9;
  text-shadow: 0 0 10px rgba(54, 207, 201, 0.5);
  margin-bottom: 4px;
}

.deco-badge__txt {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 1px;
}

/* 营销数据柱状图 */
.deco-chart {
  position: absolute;
  bottom: 15%;
  left: 20%;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 120px;
}

.deco-chart__bar {
  width: 16px;
  background: linear-gradient(to top, rgba(54, 207, 201, 0.2), rgba(54, 207, 201, 0.8));
  border-radius: 4px 4px 0 0;
  box-shadow: 0 0 10px rgba(54, 207, 201, 0.4);
  transform-origin: bottom;
  animation: growBar 2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero__slide--active .deco-chart__bar--1 { height: 40px; animation-delay: 0.2s; }
.hero__slide--active .deco-chart__bar--2 { height: 70px; animation-delay: 0.4s; }
.hero__slide--active .deco-chart__bar--3 { height: 50px; animation-delay: 0.6s; }
.hero__slide--active .deco-chart__bar--4 { height: 100px; animation-delay: 0.8s; }

/* 装饰动画关键帧 */
@keyframes pulseNode {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.5); opacity: 1; box-shadow: 0 0 25px var(--primary-color), 0 0 50px var(--primary-color); }
}

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

@keyframes floatFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes growBar {
  0% { transform: scaleY(0); opacity: 0; }
  100% { transform: scaleY(1); opacity: 1; }
}

.hero__title {
  font-size: 52px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 2px;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  opacity: 0;
}

.hero__desc {
  font-size: 20px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 300;
  letter-spacing: 1px;
  opacity: 0;
}

.hero__content .btn {
  opacity: 0;
  box-shadow: 0 4px 20px rgba(22, 93, 255, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  transition: box-shadow 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}

/* 按钮扫光特效 */
.hero__content .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-25deg);
}

@keyframes btnShine {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}

@keyframes btnPulse {
  0% { box-shadow: 0 0 0 0 rgba(22, 93, 255, 0.6); }
  70% { box-shadow: 0 0 0 15px rgba(22, 93, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 93, 255, 0); }
}

.hero__slide--active .hero__title {
  animation: slideUpFade 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s forwards;
}

.hero__slide--active .hero__desc {
  animation: slideUpFade 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.4s forwards;
}

.hero__slide--active .hero__content .btn {
  /* 组合入场动画、外发光脉冲 */
  animation: 
    slideUpFade 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.6s forwards,
    btnPulse 2.5s infinite 1.4s;
}

/* 触发按钮内部的扫光动画 */
.hero__slide--active .hero__content .btn::before {
  animation: btnShine 4s infinite 1.4s;
}

.hero__content .btn:hover {
  box-shadow: 0 8px 30px rgba(22, 93, 255, 0.6);
  transform: scale(1.05);
}

/* 玻璃拟态控制按钮 */
.hero__control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: white;
  border-radius: 50%;
  font-size: 20px;
  z-index: 10;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__control:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 0 15px rgba(22, 93, 255, 0.5);
}

.hero__control--prev {
  left: 32px;
}

.hero__control--next {
  right: 32px;
}

.hero__indicators {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero__indicator {
  width: 32px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  transition: all 0.4s ease;
}

.hero__indicator--active {
  background-color: var(--primary-color);
  width: 48px;
  box-shadow: 0 0 8px var(--primary-color);
}

/* ================= 特性展示模块通用样式 (原安全保障模块) ================= */
.feature-showcase {
  background-color: var(--bg-white);
  position: relative;
  overflow: hidden;
}

/* 增加底层背景光晕装饰 */
.feature-showcase::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.feature-showcase__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
  position: relative;
  z-index: 1;
}

.feature-showcase__tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-color);
  background: rgba(22, 93, 255, 0.1);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.feature-showcase__tag--dark {
  background: rgba(255, 255, 255, 0.1);
  color: var(--secondary-color);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-showcase__subtitle {
  font-size: 18px;
  color: var(--text-sub);
  line-height: 1.6;
}

.feature-showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  z-index: 1;
}

.feature-showcase__card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.4s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
}

.feature-showcase__card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), #36cfc9);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.feature-showcase__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(22, 93, 255, 0.1);
  border-color: rgba(22, 93, 255, 0.2);
}

.feature-showcase__card:hover::after {
  transform: scaleX(1);
}

.feature-showcase__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}

.feature-showcase__icon svg {
  width: 32px;
  height: 32px;
}

.feature-showcase__card:hover .feature-showcase__icon {
  transform: scale(1.1);
}

/* 图标颜色变体 */
.feature-showcase__icon--blue {
  background: rgba(22, 93, 255, 0.1);
  color: #165DFF;
}
.feature-showcase__icon--cyan {
  background: rgba(54, 207, 201, 0.1);
  color: #36CFC9;
}
.feature-showcase__icon--purple {
  background: rgba(114, 46, 209, 0.1);
  color: #722ED1;
}
.feature-showcase__icon--orange {
  background: rgba(255, 125, 0, 0.1);
  color: #FF7D00;
}
.feature-showcase__icon--green {
  background: rgba(0, 180, 42, 0.1);
  color: #00B42A;
}
.feature-showcase__icon--red {
  background: rgba(245, 63, 63, 0.1);
  color: #F53F3F;
}
.feature-showcase__icon--pink {
  background: rgba(245, 49, 157, 0.1);
  color: #F5319D;
}

.feature-showcase__title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.feature-showcase__desc {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* 重点内容高亮展示（带设计感的下划线/背景动画） */
.feature-showcase__highlight {
  font-weight: 600;
  color: var(--text-main);
  background-repeat: no-repeat;
  background-size: 100% 30%;
  background-position: 0 90%;
  padding: 0 4px;
  border-radius: 2px;
  transition: all 0.3s ease;
  /* 默认使用全局主色调 */
  background-image: linear-gradient(120deg, rgba(22, 93, 255, 0.2) 0%, rgba(22, 93, 255, 0.1) 100%);
}

.feature-showcase__highlight--dark {
  color: #FFFFFF;
  background-image: linear-gradient(120deg, rgba(54, 207, 201, 0.4) 0%, rgba(54, 207, 201, 0.1) 100%);
}
.feature-showcase__highlight--dark:hover {
  background-size: 100% 100%;
  background-position: 0 0;
  color: var(--secondary-color);
}

.feature-showcase__header .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(22, 93, 255, 0.2) 0%, rgba(22, 93, 255, 0.1) 100%);
}
.feature-showcase__header:hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: var(--primary-color);
}

/* 卡片 1 高亮变体: 蓝色 */
.feature-showcase__card:nth-child(7n+1) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(22, 93, 255, 0.25) 0%, rgba(22, 93, 255, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+1):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #165DFF;
}

/* 卡片 2 高亮变体: 青色 */
.feature-showcase__card:nth-child(7n+2) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(54, 207, 201, 0.3) 0%, rgba(54, 207, 201, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+2):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #00A8A0; /* 略深的青色以保证可读性 */
}

/* 卡片 3 高亮变体: 紫色 */
.feature-showcase__card:nth-child(7n+3) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(114, 46, 209, 0.25) 0%, rgba(114, 46, 209, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+3):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #722ED1;
}

/* 卡片 4 高亮变体: 橙色 */
.feature-showcase__card:nth-child(7n+4) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(255, 125, 0, 0.25) 0%, rgba(255, 125, 0, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+4):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #FF7D00;
}

/* 卡片 5 高亮变体: 绿色 */
.feature-showcase__card:nth-child(7n+5) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(0, 180, 42, 0.25) 0%, rgba(0, 180, 42, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+5):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #00B42A;
}

/* 卡片 6 高亮变体: 红色 */
.feature-showcase__card:nth-child(7n+6) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(245, 63, 63, 0.25) 0%, rgba(245, 63, 63, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+6):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #F53F3F;
}

/* 卡片 7 高亮变体: 粉色 */
.feature-showcase__card:nth-child(7n+7) .feature-showcase__highlight {
  background-image: linear-gradient(120deg, rgba(245, 49, 157, 0.25) 0%, rgba(245, 49, 157, 0.1) 100%);
}
.feature-showcase__card:nth-child(7n+7):hover .feature-showcase__highlight {
  background-size: 100% 100%;
  background-position: 0 0;
  color: #F5319D;
}

/* ================= 核心价值 ================= */
.core-value {
  background: linear-gradient(to right, var(--bg-dark), #2a3143);
  color: var(--bg-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* 增加底层背景光晕装饰 */
.core-value::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(54, 207, 201, 0.08) 0%, transparent 60%);
  transform: rotate(30deg);
  pointer-events: none;
  z-index: 0;
}

/* ================= 核心价值 - 科技感背景动画 ================= */
.core-value__bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* 动态网格背景 */
.core-value__grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
  animation: gridMove 20s linear infinite;
  opacity: 0.6;
}

@keyframes gridMove {
  0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
  100% { transform: perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px); }
}

/* 漂浮发光粒子 */
.core-value__floating-particle {
  position: absolute;
  border-radius: 50%;
  background: var(--secondary-color);
  box-shadow: 0 0 20px 5px var(--secondary-color);
  opacity: 0.3;
  animation: floatParticle 10s ease-in-out infinite alternate;
}

.particle-1 {
  width: 6px;
  height: 6px;
  top: 20%;
  left: 15%;
  animation-duration: 8s;
}

.particle-2 {
  width: 10px;
  height: 10px;
  top: 60%;
  right: 20%;
  animation-duration: 12s;
  animation-delay: -4s;
  opacity: 0.2;
}

.particle-3 {
  width: 4px;
  height: 4px;
  bottom: 30%;
  left: 40%;
  animation-duration: 15s;
  animation-delay: -7s;
}

@keyframes floatParticle {
  0% { transform: translate(0, 0) scale(1); opacity: 0.2; }
  50% { transform: translate(30px, -30px) scale(1.5); opacity: 0.5; }
  100% { transform: translate(-20px, 20px) scale(1); opacity: 0.2; }
}

.core-value__header {
  margin-bottom: 60px;
  position: relative;
  z-index: 1;
}

.core-value__title {
  font-size: 40px;
  margin-bottom: 24px;
  background: linear-gradient(90deg, #FFFFFF 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.core-value__desc {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}

.core-value__desc strong {
  color: var(--secondary-color);
  font-weight: 600;
}

/* 三大核心价值卡片布局 */
.core-value__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  z-index: 1;
}

.core-value__item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: left;
  transition: all 0.4s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.core-value__item:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(54, 207, 201, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* 卡片 Hover 时的内部光晕特效 */
.core-value__item::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle at top right, rgba(54, 207, 201, 0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.core-value__item:hover::before {
  opacity: 1;
}

/* 大尺寸镂空数字 */
.core-value__item-num {
  font-size: 48px;
  font-weight: 900;
  font-family: var(--font-family);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
  margin-bottom: 20px;
  transition: all 0.4s ease;
}

.core-value__item:hover .core-value__item-num {
  -webkit-text-stroke: 1px var(--secondary-color);
  color: rgba(54, 207, 201, 0.1);
}

.core-value__item-title {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.core-value__item-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

/* ================= 开放对接 ================= */
.integration {
  background-color: var(--bg-white);
  position: relative;
  overflow: hidden;
}

/* 背景装饰 */
.integration::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at right center, rgba(54, 207, 201, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.integration__layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.integration__content {
  flex: 1;
  max-width: 500px;
}

.integration__desc {
  font-size: 16px;
  color: var(--text-color);
  margin-bottom: 30px;
  line-height: 1.8;
}

.integration__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.integration__list li {
  font-size: 16px;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.02);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.integration__list li:hover {
  transform: translateX(10px);
  box-shadow: 0 6px 16px rgba(54, 207, 201, 0.1);
  border-color: rgba(54, 207, 201, 0.2);
}

.integration__list-icon {
  width: 24px;
  height: 24px;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(54, 207, 201, 0.1);
  border-radius: 50%;
  padding: 4px;
}

.integration__visual {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}

.integration__graphic {
  width: 450px;
  height: 450px;
  position: relative;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 轨道线 */
.integration__orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(54, 207, 201, 0.3);
  border-radius: 50%;
  pointer-events: none;
}

.integration__orbit-ring--1 {
  width: 200px;
  height: 200px;
  animation: spin 30s linear infinite reverse;
}

.integration__orbit-ring--2 {
  width: 320px;
  height: 320px;
  animation: spin 40s linear infinite;
}

.integration__orbit-ring--3 {
  width: 440px;
  height: 440px;
  animation: spin 50s linear infinite reverse;
}

.integration__node {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  z-index: 2;
}

.integration__node--center {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  font-size: 15px; /* 缩小文字 */
  text-align: center;
  line-height: 1.2; /* 优化多行居中 */
  z-index: 10;
  box-shadow: 0 10px 30px rgba(54, 207, 201, 0.4);
  animation: pulseCenter 3s infinite alternate;
  position: relative;
}

/* 添加向外散发的涟漪光晕 */
.integration__node--center::before,
.integration__node--center::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--secondary-color);
  z-index: -1;
  animation: rippleGlow 2.5s cubic-bezier(0.21, 0.53, 0.56, 0.8) infinite;
}

.integration__node--center::after {
  animation-delay: 1.25s;
}

@keyframes rippleGlow {
  0% { width: 100px; height: 100px; opacity: 0.6; }
  100% { width: 250px; height: 250px; opacity: 0; }
}

@keyframes pulseCenter {
  0% { transform: scale(1); box-shadow: 0 10px 30px rgba(54, 207, 201, 0.4); }
  100% { transform: scale(1.05); box-shadow: 0 15px 40px rgba(54, 207, 201, 0.6); }
}

.integration__node--orbit {
  width: 60px;
  height: 60px;
  background-color: #fff;
  color: var(--primary-color);
  font-size: 14px;
  border: 2px solid var(--secondary-color);
  /* 基础轨道动画由单独的轨道控制，节点通过 transform 保持正向 */
}

.integration__node:hover {
  transform: scale(1.1) !important;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(54, 207, 201, 0.3);
  z-index: 20;
}

/* 轨道 1 (内圈 - 200px) 半径 100px */
.node-1 { animation: orbit1 15s linear infinite; }
.node-2 { animation: orbit1 15s linear infinite; animation-delay: -5s; }
.node-3 { animation: orbit1 15s linear infinite; animation-delay: -10s; }

@keyframes orbit1 {
  0% { transform: rotate(0deg) translateX(100px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

/* 轨道 2 (中圈 - 320px) 半径 160px */
.node-4 { animation: orbit2 20s linear infinite reverse; }
.node-5 { animation: orbit2 20s linear infinite reverse; animation-delay: -6.66s; }
.node-6 { animation: orbit2 20s linear infinite reverse; animation-delay: -13.33s; }

@keyframes orbit2 {
  0% { transform: rotate(0deg) translateX(160px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(160px) rotate(-360deg); }
}

/* 轨道 3 (外圈 - 440px) 半径 220px */
.node-7 { animation: orbit3 25s linear infinite; }
.node-8 { animation: orbit3 25s linear infinite; animation-delay: -12.5s; }

@keyframes orbit3 {
  0% { transform: rotate(0deg) translateX(220px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(220px) rotate(-360deg); }
}

@keyframes spin {
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ================= 痛点标签云 ================= */
.pain-points {
  background: linear-gradient(180deg, #f0f4f8 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

/* 痛点背景装饰：增加散落的轻微渐变光斑 */
.pain-points::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 90, 95, 0.03) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.pain-points::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(54, 207, 201, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.tag {
  background: #fff;
  color: var(--text-color);
  padding: 14px 28px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.02);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  /* 为不同的标签添加轻微的随机漂浮动画 */
  animation: floatTag 6s ease-in-out infinite alternate;
}

/* 通过伪类添加扫光特效 */
.tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  transform: skewX(-20deg);
  transition: all 0.5s ease;
  z-index: 1;
}

/* 为不同的标签设置不同的动画延迟和时长，显得更自然错落 */
.tag:nth-child(3n+1) { animation-duration: 7s; animation-delay: -2s; }
.tag:nth-child(3n+2) { animation-duration: 5s; animation-delay: -4s; }
.tag:nth-child(4n+1) { animation-duration: 8s; animation-delay: -1s; }

@keyframes floatTag {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

/* 针对部分严重痛点（如“封卡”、“飞单”）添加红色警示边框或文字 */
.tag:nth-child(4), /* 电话易封卡 */
.tag:nth-child(5), /* 员工飞单 */
.tag:nth-child(7), /* 数据易泄露 */
.tag:nth-child(12) { /* 员工离职客户流失 */
  color: #ff5a5f;
  background: rgba(255, 90, 95, 0.03);
}

.tag:hover {
  transform: translateY(-8px) scale(1.05) !important; /* 覆盖 float 动画 */
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  box-shadow: 0 10px 25px rgba(54, 207, 201, 0.3);
  border-color: transparent;
  animation-play-state: paused; /* 悬浮时停止漂浮 */
}

.tag:hover::before {
  left: 200%;
  transition: all 0.6s ease;
}

/* 修改特定警示标签 Hover 时的渐变色，偏向橙红警示感 */
.tag:nth-child(4):hover,
.tag:nth-child(5):hover,
.tag:nth-child(7):hover,
.tag:nth-child(12):hover {
  background: linear-gradient(135deg, #ff5a5f, #ff8a8f);
  box-shadow: 0 10px 25px rgba(255, 90, 95, 0.3);
}

/* ================= 页脚 ================= */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 60px 0 40px;
}

.footer__container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer__logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--bg-white);
  margin-bottom: 16px;
}

.footer__desc {
  max-width: 400px;
}

.footer__links p {
  margin-bottom: 8px;
}

.footer__links a {
  color: var(--secondary-color);
}

/* ================= 响应式布局 ================= */
@media (min-width: 1024px) {
  .grid--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1023px) and (min-width: 768px) {
  :root {
    --container-width: 100%;
  }

  .section {
    padding: 60px 0;
  }

  .section__title {
    font-size: 32px;
    margin-bottom: 40px;
  }

  .hero__title {
    font-size: 40px;
  }

  .hero__desc {
    font-size: 18px;
  }

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

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

  .feature-showcase__card:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    margin: 0 auto;
  }

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

  .core-value__item:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    margin: 0 auto;
  }

  .integration__layout {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .section__title--left {
    text-align: center;
  }

  .integration__list {
    align-items: center;
  }
}

@media (max-width: 767px) {
  :root {
    --container-width: 100%;
  }

  .section {
    padding: 40px 0;
  }

  .section__title {
    font-size: 24px;
    margin-bottom: 32px;
  }

  .hero {
    height: 40vh;
    min-height: 320px;
  }

  .hero__title {
    font-size: 28px;
    margin-bottom: 16px;
  }

  .hero__desc {
    font-size: 16px;
    margin-bottom: 24px;
    padding: 0 16px;
  }

  .btn--large {
    padding: 12px 32px;
    font-size: 16px;
  }

  .hero__control {
    display: none;
  }

  .deco-ai-node,
  .deco-ai-line,
  .deco-chart {
    display: none;
  }

  .deco-badge {
    transform: scale(0.7);
    animation: none;
  }

  .deco-badge--left {
    top: 10%;
    left: 5%;
  }

  .deco-badge--right {
    top: 10%;
    right: 5%;
  }

  .feature-showcase__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-showcase__card {
    padding: 30px 20px;
  }

  .feature-showcase__card:last-child {
    grid-column: 1;
    max-width: 100%;
  }

  .feature-showcase__subtitle {
    font-size: 15px;
  }

  .grid--3col {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card {
    padding: 24px 20px;
  }

  .card__icon-box {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .card__title {
    font-size: 16px;
  }

  .core-value__title {
    font-size: 28px;
  }

  .core-value__desc {
    font-size: 16px;
    text-align: left;
  }

  .core-value__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .core-value__item {
    padding: 30px 24px;
  }

  .integration__layout {
    flex-direction: column;
    gap: 40px;
  }

  .section__title--left {
    text-align: center;
  }

  .integration__desc {
    font-size: 16px;
    text-align: justify;
  }

  .integration__visual {
    transform: scale(0.8);
  }

  .tag {
    padding: 8px 16px;
    font-size: 14px;
  }

  .footer__container {
    flex-direction: column;
    gap: 24px;
    text-align: center;
    align-items: center;
  }
}