/* ============================================
   GEO 企业品牌全链路优化 - 全响应式
   适配范围：320px(手机) ~ 1920px(大屏)
   ============================================ */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  background: #060B1D;
  color: #fff;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh; /* 移动端动态视口 */
}

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

a {
  -webkit-tap-highlight-color: transparent;
}

button {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 60px;
}

/* Background layers */
.hero-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-color {
  position: absolute;
  inset: 0;
  background: #575757;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.85;
}
.pc {
  display: block;
}
.mobile {
  display: none;
}


/* Hero content wrapper */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1440px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: clamp(40px, 6vw, 80px);
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: #4B6CF7;
  border-radius: 100px;
  outline: 1.66px solid rgba(75, 108, 247, 0.30);
  outline-offset: -1.66px;
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 500;
  color: #fff;
  margin-bottom: clamp(16px, 2.5vw, 28px);
}

/* Title */
.hero-title {
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: clamp(12px, 1.5vw, 20px);
  max-width: 810px;
}

.hero-title .highlight {
  color: #FABC57;
}

/* Subtitle */
.hero-subtitle {
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: 500;
  color: #94A3B8;
  margin-bottom: clamp(20px, 3vw, 36px);
  max-width: 600px;
  line-height: 1.5;
}

/* Quote box */
.hero-quote-box {
  position: relative;
  max-width: 620px;
  padding: 24px 28px;
  background: rgba(75, 108, 247, 0.12);
  border-radius: 12px;
  border-left: 4px solid #4B6CF7;
  margin-bottom: clamp(24px, 3.5vw, 40px);
  line-height: 1.7;
}

.hero-quote-box p {
  font-size: clamp(13px, 1vw, 16px);
  color: #94A3B8;
  font-weight: 400;
}

.hero-quote-box .hero-quote-bold {
  color: #fff;
  font-weight: 500;
  margin-top: 6px;
}

/* CTA row */
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  padding: 0 32px;
  background: #4B6CF7;
  color: #fff;
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 500;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(75, 108, 247, 0.40);
  transition: all 0.3s ease;
  white-space: nowrap;
  text-decoration: none;
  touch-action: manipulation;
}

.hero-cta:hover {
  background: #3b5ce5;
  box-shadow: 0 12px 40px rgba(75, 108, 247, 0.55);
  transform: translateY(-2px);
}

.hero-cta:active {
  transform: translateY(0);
  box-shadow: 0 4px 16px rgba(75, 108, 247, 0.40);
}

.hero-cta-hint {
  font-size: clamp(15px, 1.3vw, 20px);
  font-weight: 500;
  color: #FABC57;
}

/* ============================================
   AI Platforms Strip
   ============================================ */
.hero-platforms-strip {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1440px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 4vw, 80px);
  flex-wrap: wrap;
  padding: 20px 12px;
  background: rgba(75, 108, 247, 0.08);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 16px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.15) inset;
}

.ai-platform-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.ai-platform-item:hover {
  transform: translateY(-4px);
}

.ai-platform-item img {
  width: clamp(36px, 3.5vw, 52px);
  height: auto;
  object-fit: contain;
}

.ai-platform-item span {
  font-size: clamp(13px, 1vw, 16px);
  color: #94A3B8;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ============================================
   Problem Section (问题所在)
   ============================================ */
.problem-section {
  background: #ffffff;
  padding: clamp(60px, 8vw, 100px) 24px;
}

.section-container {
  margin: 0 auto;
}

/* Problem Section container */
.problem-section .section-container {
  max-width: 1440px;
}

/* Solution Section container */
.solution-section .section-container {
  max-width: 1350px;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 60px);
}

.section-label {
  display: inline-block;
  font-size: clamp(16px, 1.1vw, 22px);
  font-weight: 500;
  color: #4B6CF7;
  margin-bottom: clamp(12px, 1.5vw, 20px);
}

.section-title {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  color: #0F172A;
  line-height: 1.35;
}

.section-title .highlight {
  color: #4B6CF7;
}

/* Problem Content Layout */
.problem-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

/* Comparison Cards */
.problem-compare {
  display: flex;
  gap: clamp(14px, 2vw, 24px);
}

.compare-card {
  flex: 1;
  padding: clamp(16px, 2vw, 24px) clamp(14px, 2vw, 27px);
  border-radius: 16px;
  border-left: 5px solid;
}

.card-traditional {
  background: #F8FAFC;
  border-left-color: #E2E8F0;
}

.card-geo {
  background: linear-gradient(135deg, #F0F4FF 0%, #E8EEFF 100%);
  border-left-color: #4B6CF7;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.card-icon-box {
  width: clamp(24px, 2vw, 28px);
  height: clamp(24px, 2vw, 28px);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-icon-box img {
  width: 60%;
  height: 60%;
}

.card-icon-gray {
  background: #E2E8F0;
}

.card-icon-blue {
  background: #4B6CF7;
}

.card-label {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 600;
  letter-spacing: 1.2px;
}

.card-label-gray {
  color: #94A3B8;
}

.card-label-blue {
  color: #4B6CF7;
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: clamp(6px, 0.8vw, 12px);
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-list li .list-icon {
  width: clamp(12px, 1vw, 16px);
  height: clamp(12px, 1vw, 16px);
  flex-shrink: 0;
}

.card-list li span {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 400;
  color: #94A3B8;
}

.card-geo .card-list li span {
  color: #1E293B;
  font-weight: 500;
}

.card-footer {
  margin-top: clamp(12px, 1.5vw, 20px);
  padding-top: clamp(10px, 1.2vw, 16px);
  border-top: 1.6px solid;
}

.card-footer-gray {
  border-top-color: #E2E8F0;
}

.card-footer-gray span {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 500;
  color: #94A3B8;
}

.card-footer-blue {
  border-top-color: rgba(75, 108, 247, 0.15);
}

.card-footer-blue span {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 600;
  color: #4B6CF7;
}

/* Bottom Banner */
.problem-banner {
  grid-column: 1;
  background: linear-gradient(90deg, #0F172A 0%, #1E293B 100%);
  border-radius: 14px;
  padding: clamp(14px, 1.5vw, 20px) clamp(16px, 2vw, 24px);
}

.problem-banner p {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 500;
  color: #fff;
  line-height: 1.6;
}

.problem-banner .banner-em {
  color: #FABC57;
  font-weight: 700;
}

.problem-banner .banner-highlight {
  color: #FABC57;
  font-weight: 700;
}

.problem-banner .banner-em-white {
  color: #fff;
  font-weight: 500;
}

/* AI Chat Demo */
.problem-chat {
  grid-column: 2;
  grid-row: 1 / 3;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0px 24px 65px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.chat-header {
  background: #4B6CF7;
  padding: clamp(14px, 1.5vw, 20px) clamp(18px, 2vw, 24px);
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-ai-badge {
  width: clamp(24px, 2vw, 28px);
  height: clamp(24px, 2vw, 28px);
  background: rgba(255, 255, 255, 0.20);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(10px, 0.8vw, 12px);
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.chat-ai-name {
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 500;
  color: #fff;
}

.chat-question {
  background: #4B6CF7;
  padding: 0 clamp(18px, 2vw, 24px) clamp(14px, 1.5vw, 20px);
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.90);
  line-height: 1.5;
}

.chat-body {
  background: #0D1530;
  padding: clamp(18px, 2vw, 24px);
}

.chat-intro {
  font-size: clamp(12px, 0.9vw, 14px);
  color: #94A3B8;
  margin-bottom: clamp(14px, 1.5vw, 20px);
  line-height: 1.5;
}

.chat-result {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 1.2vw, 16px);
  background: #151F40;
  border-radius: 14px;
  padding: clamp(12px, 1.2vw, 16px);
  margin-bottom: clamp(6px, 0.5vw, 8px);
}

.chat-result-brand {
  background: rgba(75, 108, 247, 0.18);
  outline: 1.6px solid rgba(75, 108, 247, 0.40);
  outline-offset: -1.6px;
  position: relative;
}

.chat-rank {
  width: clamp(22px, 1.8vw, 24px);
  height: clamp(22px, 1.8vw, 24px);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(10px, 0.8vw, 12px);
  font-weight: 700;
  flex-shrink: 0;
}

.chat-rank-gray {
  background: #1F2C57;
  color: #64748B;
}

.chat-rank-blue {
  background: #4B6CF7;
  color: #fff;
}

.chat-result-info {
  flex: 1;
  min-width: 0;
}

.chat-result-name {
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 500;
  color: #64748B;
  margin-bottom: 2px;
}

.chat-result-name-white {
  font-size: clamp(14px, 1.1vw, 18px);
  color: #fff;
}

.chat-result-desc {
  font-size: clamp(10px, 0.8vw, 12px);
  font-weight: 400;
  color: #475569;
  line-height: 1.4;
}

.chat-result-desc-light {
  font-size: clamp(12px, 0.9vw, 14px);
  color: #A8B7CD;
}

.chat-geo-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: rgba(52, 211, 153, 0.20);
  border-radius: 100px;
  font-size: clamp(10px, 0.7vw, 12px);
  font-weight: 700;
  color: #34D399;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: center;
}

.chat-footer-text {
  font-size: clamp(10px, 0.7vw, 12px);
  color: #94A3B8;
  margin-top: clamp(10px, 1vw, 14px);
  line-height: 1.5;
}

/* ============================================
   Solution Section (解决方案)
   ============================================ */
.solution-section {
  position: relative;
  padding: clamp(60px, 8vw, 100px) 24px;
  overflow: hidden;
}

.solution-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.solution-bg-color {
  position: absolute;
  inset: 0;
  background: #080F24;
}

.solution-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.solution-bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: none; /* 默认隐藏Canvas，切换时改为 display: block 即可 */
}

.solution-section .section-container {
  position: relative;
  z-index: 1;
}

/* Light variant for dark section */
.section-label-light {
  color: #FABC57 !important;
}

.section-label-blue {
  color: #4B6CF7 !important;
}

.section-title-light {
  color: #fff !important;
}

.section-title-light .highlight-gold {
  color: #FABC57;
}

.highlight-blue {
  color: #4B6CF7;
}

.section-desc {
  font-size: clamp(14px, 1.1vw, 18px);
  font-weight: 400;
  color: #94A3B8;
  margin-top: clamp(12px, 1.5vw, 20px);
  line-height: 1.6;
}

/* Solution Grid */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(36px, 5vw, 60px);
}

.solution-card {
  background: rgba(75, 108, 247, 0.10);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: clamp(28px, 3.5vw, 44px) clamp(20px, 2.5vw, 36px);
  transition: transform 0.3s ease, background 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-6px);
  background: rgba(75, 108, 247, 0.15);
}

.solution-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: clamp(8px, 1vw, 12px);
}

.solution-card-num {
  font-size: clamp(40px, 3.5vw, 60px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.40);
  line-height: 1;
  font-family: 'Swis721 Lt BT', 'Arial', sans-serif;
}

.solution-card-icon {
  width: clamp(44px, 3.5vw, 58px);
  height: clamp(44px, 3.5vw, 58px);
  background: #4B6CF7;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solution-card-icon img {
  width: 50%;
  height: 50%;
  object-fit: contain;
}

.solution-card-title {
  font-size: clamp(18px, 1.4vw, 24px);
  font-weight: 700;
  color: #fff;
  margin-bottom: clamp(6px, 0.8vw, 10px);
}

.solution-card-title .highlight-gold {
  color: #FABC57;
}

.solution-card-subtitle {
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 500;
  color: #CBD5E1;
  margin-bottom: clamp(10px, 1.2vw, 16px);
}

.solution-card-desc {
  font-size: clamp(13px, 0.9vw, 15px);
  font-weight: 400;
  color: #94A3B8;
  line-height: 1.7;
}

/* Solution Bottom Results */
.solution-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(24px, 3vw, 40px);
}

.result-item {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1vw, 16px);
  padding: clamp(12px, 1.5vw, 20px) clamp(16px, 2vw, 32px);
  background: #4B6CF7;
  border-radius: 10px;
  border: 1px solid #242B3B;
}

.result-item-active {
  background: #4B6CF7;
}

.result-icon-box {
  width: clamp(18px, 1.5vw, 24px);
  height: clamp(18px, 1.5vw, 24px);
  background: #fff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.result-icon-box img {
  width: 55%;
  height: 55%;
  object-fit: contain;
}

.result-text {
  font-size: clamp(14px, 1.1vw, 18px);
  font-weight: 500;
  color: #fff;
}

.result-desc {
  font-size: clamp(11px, 0.8vw, 14px);
  font-weight: 500;
  color: #fff;
  opacity: 0.85;
}

/* ============================================
   Compare Section (核心价值对比 - 左右弧线 + 中间双圆)
   背景色 #F8FAFC
   ============================================ */
.compare-section {
  padding: clamp(60px, 8vw, 100px) 24px;
  background: #F8FAFC;
  position: relative;
  overflow: hidden;
}

.compare-section .section-container {
  max-width: 1400px;
  position: relative;
  z-index: 1;
}

.section-title-dark {
  color: #0F172A !important;
}

.section-desc-dark {
  color: #64748B !important;
}

/* Compare section - larger text */
.compare-section .section-title {
  font-size: clamp(24px, 3vw, 42px);
}

.compare-section .section-desc {
  font-size: clamp(13px, 1.1vw, 17px);
}

.compare-section .section-label {
  font-size: clamp(16px, 1vw, 22px);
}

.compare-highlight {
  color: #4B6CF7;
  font-weight: 600;
}

/* ============================================
   Compare Visual - V3 布局（内联SVG方案）
   ============================================ */
.compare-visual {
  margin-top: clamp(40px, 5vw, 64px);
  position: relative;
  padding: 0;
  overflow: visible;
}

/* ---- 三列 flex 布局 ---- */
.compare-diagram-v3 {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 0;
}

/* ---- 左右侧容器 ---- */
.compare-side-v3 {
  flex: 1;
  position: relative;
  height: clamp(300px, 34vw, 460px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-side-left-v3 {
  justify-content: flex-end;
  padding-right: clamp(0px, 1vw, 10px);
  margin-right: clamp(-80px, -11vw, -160px);
}

.compare-side-right-v3 {
  justify-content: flex-start;
  padding-left: clamp(0px, 1vw, 10px);
  margin-left: clamp(-80px, -11vw, -160px);
}

/* ---- 内联SVG弧线 ---- */
.compare-arc-svg {
  display: block;
  height: 100%;
  overflow: visible;
}

.compare-side-left-v3 .compare-arc-svg,
.compare-side-right-v3 .compare-arc-svg {
  width: clamp(280px, 30vw, 420px);
}

/* ---- 中间重叠双圆 ---- */
.compare-center-v3 {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(8px, 1vw, 20px);
  z-index: 2;
}

.compare-overlap-circles {
  position: relative;
  width: clamp(240px, 24vw, 380px);
  height: clamp(120px, 13vw, 200px);
}

.compare-overlap-circle {
  position: absolute;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(120px, 13vw, 200px);
  height: clamp(120px, 13vw, 200px);
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(22px, 2vw, 34px);
  font-weight: 700;
}

.compare-overlap-circle-gray {
  background: #E2E8F0;
  color: #64748B;
  left: 0;
  z-index: 1;
}

.compare-overlap-circle-blue {
  background: #4B6CF7;
  color: #fff;
  box-shadow: 0px 10px 30px rgba(75, 108, 247, 0.45);
  left: 42%;
  z-index: 2;
}

/* ---- 底部总结文字 ---- */
.compare-footer-text {
  text-align: center;
  font-size: clamp(15px, 1.2vw, 22px);
  font-weight: 400;
  color: #64748B;
  max-width: 900px;
  margin: clamp(36px, 5vw, 60px) auto 0;
  line-height: 1.8;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 1.5s;
}

.compare-footer-text strong {
  font-weight: 700;
  color: #0F172A;
}

.compare-footer-text .compare-highlight {
  color: #4B6CF7;
  font-weight: 700;
}

/* ---- 移动端对比卡片（手机端显示，桌面端隐藏） ---- */
.compare-mobile-cards {
  display: none;
}

.compare-mobile-card {
  background: #fff;
  border-radius: 14px;
  padding: 20px 18px;
  margin-bottom: 16px;
  border-left: 4px solid #E2E8F0;
}

.compare-mobile-card-blue {
  border-left-color: #4B6CF7;
  box-shadow: 0 4px 20px rgba(75, 108, 247, 0.12);
}

.compare-mobile-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.compare-mobile-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}

.compare-mobile-badge-gray {
  background: #E2E8F0;
  color: #64748B;
}

.compare-mobile-badge-blue {
  background: #4B6CF7;
  color: #fff;
  box-shadow: 0 4px 12px rgba(75, 108, 247, 0.35);
}

.compare-mobile-label {
  font-size: 13px;
  color: #94A3B8;
  font-weight: 500;
}

.compare-mobile-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare-mobile-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #334155;
  line-height: 1.5;
}

.compare-mobile-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #F1F5F9;
  color: #64748B;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.compare-mobile-num-blue {
  background: #4B6CF7;
  color: #fff;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   中间双圆动画
   ============================================ */
/* 弹入动画 */
@keyframes circlePopIn {
  0% { opacity: 0; transform: translateY(-50%) scale(0.3); }
  60% { opacity: 1; transform: translateY(-50%) scale(1.08); }
  80% { transform: translateY(-50%) scale(0.95); }
  100% { opacity: 1; transform: translateY(-50%) scale(1); }
}

/* 持续呼吸动画 */
@keyframes circlePulse {
  0%, 100% { box-shadow: 0px 10px 30px rgba(75, 108, 247, 0.45); }
  50% { box-shadow: 0px 14px 40px rgba(75, 108, 247, 0.65); }
}

@keyframes circlePulseGray {
  0%, 100% { box-shadow: 0px 8px 24px rgba(100, 116, 139, 0.2); }
  50% { box-shadow: 0px 12px 34px rgba(100, 116, 139, 0.35); }
}

/* 微浮动 */
@keyframes circleFloat {
  0%, 100% { transform: translateY(-50%); }
  50% { transform: translateY(calc(-50% - 6px)); }
}

.compare-overlap-circle {
  opacity: 0;
  transform: translateY(-50%) scale(0.3);
}

.compare-overlap-circle.animate-in {
  animation: circlePopIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.compare-overlap-circle-gray.animate-in {
  animation: circlePopIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
             circlePulseGray 2.5s ease-in-out 0.8s infinite,
             circleFloat 3s ease-in-out 0.8s infinite;
}

.compare-overlap-circle-blue.animate-in {
  animation: circlePopIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
             circlePulse 2.5s ease-in-out 0.8s infinite,
             circleFloat 3s ease-in-out 0.8s infinite;
}

/* 弧线节点动画 */
@keyframes nodePopIn {
  0% { opacity: 0; r: 0; }
  60% { opacity: 1; r: 27; }
  80% { r: 22; }
  100% { opacity: 1; r: 24; }
}

.compare-side-v3 circle {
  opacity: 0;
}

.compare-side-v3 circle.animate-node-in {
  animation: nodePopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ============================================
   响应式 - 平板横屏 / 小笔记本 (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
  .hero {
    padding: 100px 20px 40px;
  }

  .hero-platforms-strip {
    padding: 16px 12px;
  }

  .hero-cta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* Problem Section */
  .problem-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .problem-chat {
    grid-column: 1;
    grid-row: auto;
    max-width: 530px;
    margin: 0 auto;
  }

  /* Solution Section */
  .solution-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .solution-results {
    gap: 14px;
  }

  .result-item {
    padding: 14px 20px;
  }

  /* Compare Section */
  .compare-section {
    padding: 50px 20px;
  }

  .compare-visual {
    padding: 0;
  }

  .compare-diagram-v3 {
    gap: 0;
  }

  .compare-side-v3 {
    height: clamp(250px, 30vw, 350px);
  }

  .compare-side-left-v3 .compare-arc-svg,
  .compare-side-right-v3 .compare-arc-svg {
    width: clamp(220px, 24vw, 320px);
  }

  .compare-center-v3 {
    padding: 0 8px;
  }

  /* Cases Carousel */
  .cases-section {
    padding: clamp(50px, 6vw, 80px) 20px;
  }

  .case-card {
    padding: 24px 28px;
  }

  .case-company {
    font-size: 20px;
  }

  .case-quote {
    font-size: 13px;
    min-height: calc(3em * 1.75);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

}

/* ============================================
   响应式 - 平板竖屏 / 大手机 (≤768px)
   ============================================ */
@media (max-width: 768px) {
  .pc {
    display: none;
  }
 .mobile {
    display: block;
  }
  /* Hero 区域 */
  .hero {
    padding: 80px 16px 32px;
    justify-content: flex-start;
    padding-top: 100px;
    min-height: auto;
  }

  .hero-content {
    align-items: center;
    text-align: center;
    margin-bottom: 32px;
  }

  .hero-title {
    font-size: 28px;
    max-width: 100%;
  }

  .hero-subtitle {
    font-size: 16px;
    max-width: 100%;
    text-align: center;
  }

  .hero-badge {
    font-size: 13px;
    padding: 6px 16px;
  }

  .hero-quote-box {
    display: none;
    padding: 16px 18px;
    max-width: 100%;
    border-left-width: 3px;
  }

  .hero-quote-box p {
    font-size: 14px;
  }

  .hero-cta-row {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .hero-cta {
    width: 100%;
    height: 50px;
    font-size: 16px;
    border-radius: 12px;
  }

  .hero-cta-hint {
    font-size: 14px;
    text-align: center;
  }

  .hero-platforms-strip {
    gap: 12px;
    padding: 12px 10px;
    border-radius: 12px;
    justify-content: center;
  }

  /* Problem Section */
  .problem-section {
    padding: 50px 16px;
  }

  .problem-compare {
    flex-direction: column;
    gap: 16px;
  }

  .problem-banner p {
    font-size: 13px;
  }

  /* Solution Section */
  .solution-section {
    padding: 50px 16px;
  }

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

  .solution-card {
    padding: 20px;
  }

  .solution-results {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .result-item {
    justify-content: center;
    padding: 14px 18px;
  }

  /* Compare Section */
  .compare-section {
    padding: 40px 16px;
  }

  .compare-diagram-v3 {
    flex-direction: column;
    gap: 16px;
  }

  .compare-side-v3 {
    width: 100%;
    max-width: 500px;
    height: 250px;
    margin: 0 auto;
  }

  .compare-side-left-v3 {
    justify-content: center;
    padding-right: 0;
  }

  .compare-side-right-v3 {
    justify-content: center;
    padding-left: 0;
  }

  .compare-side-left-v3 .compare-arc-svg,
  .compare-side-right-v3 .compare-arc-svg {
    width: 290px;
  }

  .compare-center-v3 {
    order: -1;
    padding: 0;
  }

  .compare-overlap-circles {
    width: clamp(150px, 32vw, 220px);
    height: clamp(80px, 18vw, 120px);
  }

  .compare-overlap-circle {
    width: clamp(80px, 18vw, 120px);
    height: clamp(80px, 18vw, 120px);
    font-size: clamp(14px, 3vw, 20px);
  }

  /* Industries Section */
  .industries-cards {
    gap: 16px;
  }

  .industries-platforms-row {
    gap: 20px;
  }

  /* Cases Carousel */
  .cases-section {
    padding: clamp(40px, 5vw, 60px) 16px;
  }

  /* 手机端隐藏左右箭头，靠滑动+dots */
  .carousel-btn-left,
  .carousel-btn-right {
    display: none;
  }

  .case-card {
    padding: clamp(16px, 3vw, 24px) !important;
  }

  .case-company {
    font-size: 18px;
  }

  .case-subtitle {
    font-size: 13px;
    margin-bottom: 12px;
  }

  .case-quote {
    font-size: 12px;
    line-height: 1.65;
    margin-bottom: 14px;
    min-height: calc(3em * 1.65);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .case-gradient-bar {
    margin-bottom: 14px;
  }

  /* 结果区域：手机端改为上下排列 */
  .case-result {
    flex-direction: column;
    gap: 12px;
  }

  .case-result-item {
    justify-content: flex-start;
  }

  .case-result-num {
    font-size: 17px;
  }

  .case-result-label {
    font-size: 12px;
  }

  .case-arrow-up {
    width: 28px;
    height: 28px;
  }

  .carousel-btn-side {
    width: clamp(36px, 4vw, 42px);
    height: clamp(36px, 4vw, 42px);
  }

  .carousel-btn-left {
    margin-right: 12px;
  }

  .carousel-btn-right {
    margin-left: 12px;
  }

  .carousel-btn svg {
    width: 20px;
    height: 20px;
  }

  .cases-pagination {
    margin-top: clamp(16px, 2vw, 28px);
  }
}

/* ============================================
   响应式 - 小手机 (≤480px)
   ============================================ */
@media (max-width: 480px) {
  .pc {
    display: none;
  }
  .mobile {
    display: block;
  }
  .hero {
    padding: 80px 12px 28px;
    padding-top: 90px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 5px 14px;
  }

  .hero-quote-box {
    display: none;
    padding: 14px 16px;
  }

  .hero-quote-box p {
    font-size: 13px;
  }

  .hero-cta {
    height: 48px;
    font-size: 15px;
  }

  .hero-cta-hint {
    font-size: 13px;
  }

  .hero-platforms-strip {
    padding: 10px 8px;
    border-radius: 10px;
  }

  .ai-platform-item {
    gap: 5px;
  }

  .ai-platform-item img {
    width: 30px;
  }

  .ai-platform-item span {
    font-size: 10px;
  }

  /* Problem Section */
  .problem-section {
    padding: 40px 12px;
  }

  .section-title {
    font-size: 22px;
  }

  .compare-card {
    padding: 14px 16px;
  }

  .chat-body {
    padding: 14px 16px;
  }

  /* Solution Section */
  .solution-section {
    padding: 40px 12px;
  }

  .solution-card {
    padding: 18px;
    border-radius: 14px;
  }

  .result-desc {
    font-size: 12px;
  }

  /* Compare Section — 手机端隐藏复杂弧线图，使用简化卡片 */
  .compare-section {
    padding: 36px 12px;
  }

  .compare-diagram-v3 {
    display: none;
  }

  .compare-mobile-cards {
    display: block;
  }

  .compare-footer-text {
    font-size: 13px;
    margin-top: 24px;
  }

  /* Industries */
  .industries-tags-cloud {
    gap: 8px;
  }

  .industry-tag {
    font-size: 13px;
    padding: 10px 16px;
  }

  .industries-platforms-row {
    gap: 14px;
  }

  /* Cases Carousel */
  .cases-section {
    padding: 36px 12px;
  }

  .carousel-row {
    flex-direction: row;
    flex-wrap: nowrap;
  }

  /* 小屏手机隐藏箭头 */
  .carousel-btn-left,
  .carousel-btn-right {
    display: none;
  }

  .case-card {
    padding: clamp(14px, 3vw, 20px);
    border-radius: 12px;
  }

  .case-company {
    font-size: 16px;
  }

  .case-subtitle {
    font-size: 12px;
    margin-bottom: 10px;
  }

  .case-quote {
    font-size: 11px;
    line-height: 1.6;
    margin-bottom: 12px;
    min-height: calc(3em * 1.6);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .case-gradient-bar {
    height: 3px;
    margin-bottom: 12px;
  }

  .case-divider {
    margin-bottom: 12px;
  }

  .case-result {
    flex-direction: column;
    gap: 10px;
  }

  .case-result-num {
    font-size: 15px;
  }

  .case-result-label {
    font-size: 11px;
  }

  .case-arrow-up {
    width: 24px;
    height: 24px;
  }

  .carousel-btn-side {
    width: 32px;
    height: 32px;
  }

  .carousel-btn svg {
    width: 18px;
    height: 18px;
  }

  .carousel-btn-left {
    margin-right: 8px;
  }

  .carousel-btn-right {
    margin-left: 8px;
  }

  .cases-pagination {
    margin-top: clamp(14px, 2vw, 20px);
  }

  .cases-pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
  }

  .cases-pagination .swiper-pagination-bullet-active {
    width: 24px;
    border-radius: 8px;
  }
}

/* ============================================
   响应式 - 超小屏 (≤360px)
   ============================================ */
@media (max-width: 360px) {
  .hero {
    padding: 75px 10px 24px;
    padding-top: 85px;
  }

  .hero-title {
    font-size: 22px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-badge {
    font-size: 11px;
    padding: 4px 12px;
  }

  .hero-quote-box {
    display: none;
    padding: 12px 14px;
  }

  .hero-quote-box p {
    font-size: 12px;
  }

  .hero-cta {
    height: 46px;
    font-size: 14px;
  }

  .hero-platforms-strip {
    padding: 8px 6px;
    border-radius: 8px;
  }

  .ai-platform-item img {
    width: 26px;
  }

  .ai-platform-item span {
    font-size: 9px;
  }

  /* Problem Section */
  .section-title {
    font-size: 20px;
  }

  .compare-card {
    padding: 12px 14px;
    border-radius: 12px;
  }

  .card-list li span {
    font-size: 12px;
  }

  /* Solution Section */
  .solution-section {
    padding: 36px 10px;
  }

  .solution-card {
    padding: 16px;
    border-radius: 12px;
  }

  .result-item {
    padding: 12px 14px;
    border-radius: 8px;
  }

  .result-desc {
    font-size: 11px;
  }

  /* Compare Section */
  .compare-section {
    padding: 32px 10px;
  }

  .compare-diagram-v3 {
    display: none;
  }

  .compare-mobile-cards {
    display: block;
  }

  .compare-mobile-card {
    padding: 16px 14px;
    border-radius: 12px;
    margin-bottom: 12px;
  }

  .compare-mobile-list li {
    font-size: 13px;
    gap: 8px;
  }

  .compare-mobile-num,
  .compare-mobile-num-blue {
    width: 24px;
    height: 24px;
    font-size: 11px;
  }

  .compare-footer-text {
    font-size: 12px;
  }

  /* Cases Carousel */
  .cases-section {
    padding: 28px 10px;
  }

  /* 超小屏隐藏箭头 */
  .carousel-btn-left,
  .carousel-btn-right {
    display: none;
  }

  .case-card {
    padding: 12px;
    border-radius: 10px;
  }

  .case-company {
    font-size: 15px;
  }

  .case-subtitle {
    font-size: 11px;
    margin-bottom: 8px;
  }

  .case-quote {
    font-size: 10px;
    line-height: 1.55;
    margin-bottom: 10px;
    min-height: calc(3em * 1.55);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .case-gradient-bar {
    height: 3px;
    margin-bottom: 10px;
  }

  .case-divider {
    margin-bottom: 10px;
  }

  .case-result {
    flex-direction: column;
    gap: 8px;
  }

  .case-result-num {
    font-size: 14px;
  }

  .case-result-label {
    font-size: 10px;
  }

  .case-arrow-up {
    width: 20px;
    height: 20px;
  }

  .carousel-btn-side {
    width: 28px;
    height: 28px;
  }

  .carousel-btn svg {
    width: 16px;
    height: 16px;
  }

  .carousel-btn-left {
    margin-right: 6px;
  }

  .carousel-btn-right {
    margin-left: 6px;
  }

  .cases-pagination {
    margin-top: 12px;
  }

  .cases-pagination .swiper-pagination-bullet {
    width: 7px;
    height: 7px;
  }

  .cases-pagination .swiper-pagination-bullet-active {
    width: 20px;
    border-radius: 7px;
  }
}

/* ============================================
   响应式 - 大屏优化 (≥1600px)
   ============================================ */
@media (min-width: 1600px) {
  .hero-title {
    font-size: 56px;
  }

  .hero-subtitle {
    font-size: 24px;
  }

  .hero-platforms-strip {
    padding: 24px 12px;
  }

  .ai-platform-item img {
    width: 52px;
  }

  .ai-platform-item span {
    font-size: 16px;
  }

  .solution-grid {
    gap: 28px;
  }

  .solution-results {
    gap: 28px;
  }

  .compare-visual {
    margin-top: 64px;
  }

  .compare-overlap-circles {
    width: 460px;
    height: 280px;
  }

  .compare-overlap-circle {
    width: 280px;
    height: 280px;
    font-size: 40px;
  }

  .compare-side-left-v3 .compare-arc-svg,
  .compare-side-right-v3 .compare-arc-svg {
    width: 420px;
  }

  /* Industries */
  .industries-cards {
    gap: 28px;
  }

  .industries-platforms-row {
    gap: 80px;
  }

  /* Cases */
  .case-card {
    margin-right: 28px;
  }
}

/* ============================================
   Industries Section (适用行业)
   ============================================ */
.industries-section {
  position: relative;
  padding: clamp(60px, 8vw, 100px) 24px;
  background: linear-gradient(180deg, #060B1D 0%, #080F24 100%);
  overflow: hidden;
}

.industries-section .section-container {
  max-width: 1400px;
  position: relative;
  z-index: 1;
}

/* 行业卡片网格 */
.industries-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(36px, 5vw, 60px);
}

/* 手机端/平板：行业卡片改为单列（必须在基础样式之后才能覆盖） */
@media (max-width: 1024px) {
  .industries-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.industry-card {
  background: rgba(75, 108, 247, 0.20);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: clamp(24px, 3vw, 32px);
  transition: transform 0.3s ease, background 0.3s ease;
}

.industry-card:hover {
  transform: translateY(-4px);
  background: rgba(75, 108, 247, 0.28);
}

.industry-card-icon {
  width: clamp(44px, 3.5vw, 52px);
  height: clamp(44px, 3.5vw, 52px);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0px 4px 16px rgba(0, 0, 0, 0.30);
  margin-bottom: clamp(12px, 1.5vw, 20px);
}

.industry-card-icon img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.industry-card-title {
  font-size: clamp(18px, 1.4vw, 20px);
  font-weight: 600;
  color: #fff;
  margin-bottom: clamp(8px, 1vw, 12px);
}

.industry-card-desc {
  font-size: clamp(13px, 0.9vw, 14px);
  font-weight: 400;
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: clamp(12px, 1.2vw, 16px);
}

.industry-card-tag {
  display: inline-block;
  background: rgba(75, 108, 247, 0.20);
  border-radius: 10px;
  padding: clamp(8px, 0.8vw, 10px) clamp(14px, 1.2vw, 16px);
}

.industry-card-tag span {
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 400;
  color: #fff;
}

/* 行业标签云标题 */
.industries-tags-title {
  text-align: center;
  margin-top: clamp(50px, 7vw, 80px);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.industries-tags-title span:not(.star) {
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 500;
  color: #fff;
}

.industries-tags-title .star,
.industries-platforms-title .star {
  font-size: clamp(14px, 1.2vw, 18px);
  font-weight: 500;
  color: #fff;
  margin: 0 8px;
}

/* 行业标签云 */
.industries-tags-cloud {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.5vw, 20px);
  margin: 0 auto;
  width: 100%;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(10px, 1.2vw, 16px);
}

.industry-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: clamp(10px, 1vw, 14px) clamp(16px, 2vw, 24px);
  background: var(--tag-bg);
  border: 2px solid var(--tag-border);
  border-radius: 30px;
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 500;
  color: var(--tag-color);
  white-space: nowrap;
  cursor: default;
  /* 初始隐藏，等入场动画触发 */
  opacity: 0;
  transform: translateY(30px) scale(0.85);
  /* 入场动画 */
  animation: tagFadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-play-state: paused;
  /* 持续呼吸光晕动画 */
  --glow-color: var(--tag-color);
}

/* 当父容器可见时播放动画 */
.industries-tags-cloud.visible .industry-tag {
  animation-play-state: running;
}

/* 每行标签依次延迟 */
.tag-row:nth-child(1) .industry-tag:nth-child(1) { animation-delay: 0.05s; }
.tag-row:nth-child(1) .industry-tag:nth-child(2) { animation-delay: 0.10s; }
.tag-row:nth-child(1) .industry-tag:nth-child(3) { animation-delay: 0.15s; }
.tag-row:nth-child(1) .industry-tag:nth-child(4) { animation-delay: 0.20s; }
.tag-row:nth-child(1) .industry-tag:nth-child(5) { animation-delay: 0.25s; }
.tag-row:nth-child(1) .industry-tag:nth-child(6) { animation-delay: 0.30s; }
.tag-row:nth-child(1) .industry-tag:nth-child(7) { animation-delay: 0.35s; }
.tag-row:nth-child(1) .industry-tag:nth-child(8) { animation-delay: 0.40s; }

.tag-row:nth-child(2) .industry-tag:nth-child(1) { animation-delay: 0.15s; }
.tag-row:nth-child(2) .industry-tag:nth-child(2) { animation-delay: 0.20s; }
.tag-row:nth-child(2) .industry-tag:nth-child(3) { animation-delay: 0.25s; }
.tag-row:nth-child(2) .industry-tag:nth-child(4) { animation-delay: 0.30s; }
.tag-row:nth-child(2) .industry-tag:nth-child(5) { animation-delay: 0.35s; }
.tag-row:nth-child(2) .industry-tag:nth-child(6) { animation-delay: 0.40s; }
.tag-row:nth-child(2) .industry-tag:nth-child(7) { animation-delay: 0.45s; }

.tag-row:nth-child(3) .industry-tag:nth-child(1) { animation-delay: 0.25s; }
.tag-row:nth-child(3) .industry-tag:nth-child(2) { animation-delay: 0.30s; }
.tag-row:nth-child(3) .industry-tag:nth-child(3) { animation-delay: 0.35s; }
.tag-row:nth-child(3) .industry-tag:nth-child(4) { animation-delay: 0.40s; }
.tag-row:nth-child(3) .industry-tag:nth-child(5) { animation-delay: 0.45s; }
.tag-row:nth-child(3) .industry-tag:nth-child(6) { animation-delay: 0.50s; }
.tag-row:nth-child(3) .industry-tag:nth-child(7) { animation-delay: 0.55s; }
.tag-row:nth-child(3) .industry-tag:nth-child(8) { animation-delay: 0.60s; }

.tag-row:nth-child(4) .industry-tag:nth-child(1) { animation-delay: 0.35s; }
.tag-row:nth-child(4) .industry-tag:nth-child(2) { animation-delay: 0.40s; }
.tag-row:nth-child(4) .industry-tag:nth-child(3) { animation-delay: 0.45s; }
.tag-row:nth-child(4) .industry-tag:nth-child(4) { animation-delay: 0.50s; }
.tag-row:nth-child(4) .industry-tag:nth-child(5) { animation-delay: 0.55s; }
.tag-row:nth-child(4) .industry-tag:nth-child(6) { animation-delay: 0.60s; }
.tag-row:nth-child(4) .industry-tag:nth-child(7) { animation-delay: 0.65s; }

.industry-tag::before {
  content: '•';
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1;
}

/* Hover：放大 + 光晕 + 圆点旋转 */
.industry-tag:hover {
  transform: translateY(-4px) scale(1.08) !important;
  box-shadow: 0px 0px 20px var(--tag-color), 0px 8px 24px rgba(0, 0, 0, 0.30);
  border-color: var(--tag-color);
  background: rgba(255, 255, 255, 0.08);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), 
              box-shadow 0.35s ease, 
              border-color 0.35s ease,
              background 0.35s ease;
}

.industry-tag:hover::before {
  animation: dotPulse 0.6s ease-in-out;
}

/* 持续呼吸光晕（入场完成后启动） */
.industry-tag {
  animation-name: tagFadeInUp, tagBreathGlow;
  animation-duration: 0.6s, 3s;
  animation-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1), ease-in-out;
  animation-fill-mode: forwards, none;
  animation-delay: var(--stagger-delay, 0s), 1.2s;
  animation-iteration-count: 1, infinite;
  animation-play-state: paused, paused;
}

.industries-tags-cloud.visible .industry-tag {
  animation-play-state: running, running;
}

/* ===== 关键帧动画 ===== */

/* 入场：从下方淡入上浮 + 弹性缩放 */
@keyframes tagFadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.85);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 呼吸光晕：边框颜色脉动 */
@keyframes tagBreathGlow {
  0%, 100% {
    box-shadow: 0px 0px 0px rgba(255, 255, 255, 0);
    border-color: var(--tag-border);
  }
  50% {
    box-shadow: 0px 0px 12px var(--tag-color);
    border-color: rgba(255, 255, 255, 0.15);
  }
}

/* 圆点脉冲 */
@keyframes dotPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.4);
  }
}

/* AI平台覆盖标题 */
.industries-platforms-title {
  text-align: center;
  margin-top: clamp(50px, 7vw, 80px);
  margin-bottom: clamp(28px, 3vw, 40px);
}

.industries-platforms-title span:not(.star) {
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 500;
  color: #fff;
}

/* AI平台横排 */
.industries-platforms-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 5vw, 70px);
  flex-wrap: wrap;
  /* padding: 0 clamp(16px, 2vw, 40px); */
}

.industry-platform-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.industry-platform-item:hover {
  transform: translateY(-4px);
}

.industry-platform-item img {
  width: clamp(36px, 3.5vw, 52px);
  height: auto;
  object-fit: contain;
}

.industry-platform-item span {
  font-size: clamp(13px, 1vw, 16px);
  color: #94A3B8;
  font-weight: 400;
  text-align: center;
}

/* CTA 按钮 */
.industries-cta {
  display: flex;
  justify-content: center;
  margin-top: clamp(40px, 6vw, 70px);
}

.industry-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: clamp(12px, 1.5vw, 16px) clamp(24px, 3vw, 36px);
  background: rgba(75, 108, 247, 0.10);
  border: 1.66px solid rgba(75, 108, 247, 0.40);
  border-radius: 14px;
  color: #7B93FF;
  font-size: clamp(14px, 1.1vw, 16px);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.industry-cta-btn:hover {
  background: rgba(75, 108, 247, 0.20);
  border-color: rgba(75, 108, 247, 0.60);
  transform: translateY(-2px);
}

.industry-cta-btn img {
  width: 14px;
  height: 14px;
}

/* ============================================
   Cases Section (客户案例)
   ============================================ */
.cases-section {
  padding: clamp(60px, 8vw, 100px) 24px;
  background: #F7F8FC;
}

.cases-section .section-container {
  max-width: 1520px;
}

/* 轮播容器 */
.cases-carousel {
  position: relative;
  margin-top: clamp(36px, 5vw, 60px);
  text-align: center;
}

/* 箭头 + Swiper 横向排列 */
.carousel-row {
  display: flex;
  align-items: stretch;
  gap: 0;
}

/* Swiper 容器 */
.cases-swiper {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.cases-swiper .swiper-wrapper {
  align-items: stretch;
}

.cases-swiper .swiper-slide {
  height: auto;
}

/* 按序号自动分配颜色：1=蓝 2=绿 3=橙 4=蓝 ... */
.cases-swiper .swiper-slide:nth-child(3n+1) {
  --case-color: #4B6CF7;
  --case-arrow: url('../images/case-arrow-up-blue.svg');
}
.cases-swiper .swiper-slide:nth-child(3n+2) {
  --case-color: #34D399;
  --case-arrow: url('../images/case-arrow-up-green.svg');
}
.cases-swiper .swiper-slide:nth-child(3n+3) {
  --case-color: #F57C48;
  --case-arrow: url('../images/case-arrow-up-orange.svg');
}

/* 案例卡片 */
.case-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 40px;
  border: none;
  border-bottom: 5px solid var(--case-color, #4B6CF7) !important;
  transition: all 0.3s ease;
  height: 100%;
  box-sizing: border-box;
  text-align: left;
}

.case-card:hover {
  box-shadow: 0px 12px 40px rgba(0, 0, 0, 0.10);
  transform: translateY(-4px);
}

.case-company {
  font-size: 24px;
  font-weight: 600;
  color: #333333;
  margin-bottom: 6px;
}

.case-subtitle {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: #64748B;
  margin-bottom: 16px;
}

.case-gradient-bar {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--case-color, #4B6CF7) 0%, #fff 100%) !important;
}

.case-quote {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 1.75;
  margin-bottom: 20px;
  text-align: left;
  min-height: calc(3em * 1.75);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.case-divider {
  width: 100%;
  height: 1px;
  background: #E2E8F0;
  margin-bottom: 20px;
}

.case-result {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
}

.case-result-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-result-item .text-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-arrow-up {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background-image: var(--case-arrow);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.case-result-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--case-color, #4B6CF7) !important;
  line-height: 1.2;
}

.case-result-label {
  font-size: 14px;
  font-weight: 400;
  color: #64748B;
}

/* 自定义箭头按钮 */
.carousel-btn {
  width: clamp(40px, 4vw, 48px);
  height: clamp(40px, 4vw, 48px);
  border-radius: 50%;
  border: 1.5px solid #E2E8F0;
  background: #fff;
  color: #64748B;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.carousel-btn-side {
  flex-shrink: 0;
  z-index: 2;
  align-self: center;
}

.carousel-btn-left {
  margin-right: clamp(16px, 2.5vw, 36px);
}

.carousel-btn-right {
  margin-left: clamp(16px, 2.5vw, 36px);
}

.carousel-btn:hover {
  background: #4B6CF7;
  border-color: #4B6CF7;
  color: #fff;
}

.carousel-btn:active {
  transform: scale(0.95);
}

/* Swiper Pagination (Dots) */
.cases-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: clamp(24px, 3vw, 40px);
  position: static !important;
  left: auto !important;
  bottom: auto !important;
  width: 100% !important;
  text-align: center;
}

.cases-pagination .swiper-pagination-bullet {
  width: clamp(8px, 0.8vw, 10px);
  height: clamp(8px, 0.8vw, 10px);
  border-radius: 50%;
  background: #E2E8F0;
  opacity: 1;
  margin: 0;
  transition: all 0.3s ease;
}

.cases-pagination .swiper-pagination-bullet-active {
  background: #4B6CF7;
  width: clamp(24px, 2.5vw, 32px);
  border-radius: 10px;
}

/* ============================================
   CTA Section (立即预约)
   ============================================ */
.cta-section {
  position: relative;
  padding: clamp(80px, 10vw, 140px) 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

.cta-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  /*opacity: 0.70;*/
  background: linear-gradient(180deg, #080F24 0%, #060B1D 100%);
}

.cta-bg-color {
  position: absolute;
  inset: 0;
  background: #0D1530;
}

.cta-bg-image {
  position: absolute;
  left: -1px;
  top: -266px;
  width: 1947px;
  height: 1095px;
  object-fit: cover;
}

.cta-section .section-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(16px, 2vw, 28px);
}

.cta-label {
  display: inline-block;
  background: #4B6CF7;
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  font-size: clamp(16px, 1.4vw, 22px);
  font-weight: 500;
  font-family: 'Noto Sans SC', sans-serif;
  word-wrap: break-word;
}

.cta-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.4;
  color: #ffffff;
  margin: 0;
}

.cta-title-blue {
  color: #4B6CF7;
}

.cta-desc {
  font-size: clamp(15px, 1.2vw, 18px);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  max-width: 650px;
  margin: 0;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: clamp(14px, 1.5vw, 18px) clamp(28px, 3vw, 48px);
  background: #4B6CF7;
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: clamp(15px, 1.1vw, 18px);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  white-space: nowrap;
}

.cta-btn:hover {
  background: #5B7CFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(75, 108, 247, 0.4);
}

.cta-btn:active {
  transform: translateY(0);
}

/* CTA 响应式 */
@media (max-width: 768px) {
  .cta-section {
    padding: clamp(60px, 8vw, 80px) 16px;
    min-height: 400px;
  }
  .cta-bg-image {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    object-position: center center;
  }
  .cta-btn {
    white-space: normal;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .cta-section {
    padding: 48px 12px;
    min-height: 360px;
  }
  .cta-bg-image {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    object-position: center center;
  }
  .cta-title {
    font-size: 20px;
  }
  .cta-desc {
    font-size: 14px;
  }
}