/* 三公智慧官网 - 静态版样式表 */

/* 基础重置和变量 */
:root {
  --color-primary: #165DFF;
  --color-secondary: #36CFC9;
  --color-accent: #722ED1;
  --color-bg: #F8FAFC;
  --color-text: #334155;
  --color-text-light: #64748B;
  --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

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

a {
  /* color: inherit; */
  text-decoration: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
}

/* AI渐变背景 */
.ai-gradient-bg {
  background:
    radial-gradient(ellipse at 20% 20%, rgba(22, 93, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(54, 207, 201, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 40% 80%, rgba(114, 46, 209, 0.03) 0%, transparent 50%),
    #F8FAFC;
  position: relative;
  min-height: 100vh;
}

/* 噪点纹理层 */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* 动态粒子效果 */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(22, 93, 255, 0.5);
  border-radius: 50%;
  animation: float 15s infinite linear;
  box-shadow: 0 0 8px rgba(22, 93, 255, 0.3);
}

@keyframes float {
  0% {
    transform: translateY(100vh) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-100vh) translateX(100px) rotate(720deg);
    opacity: 0;
  }
}

/* Blob动画 */
@keyframes blob {
  0% {
    transform: translate(0px, 0px) scale(1);
  }
  33% {
    transform: translate(30px, -50px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
  100% {
    transform: translate(0px, 0px) scale(1);
  }
}

.animate-blob {
  animation: blob 7s infinite;
}

.animation-delay-2000 {
  animation-delay: 2s;
}

.animation-delay-4000 {
  animation-delay: 4s;
}

/* 模块背景 */
.section-bg {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(22, 93, 255, 0.08);
  border-bottom: 1px solid rgba(22, 93, 255, 0.08);
}

/* 导航栏 */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

nav .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .logo {
  font-size: 1.875rem;
  font-weight: 900;
  background: linear-gradient(to right, #165DFF, #36CFC9, #722ED1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

nav .nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

nav .nav-links a {
  color: #334155;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  transition: color 0.3s;
}

nav .nav-links a:hover {
  color: #165DFF;
}

nav .cta-btn {
  background: linear-gradient(to right, #165DFF, #36CFC9);
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 700;
  color: white;
  text-decoration: none;
  transition: all 0.3s;
}

nav .cta-btn:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Hero区域 */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

#home .bg-animation {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom right, rgba(22, 93, 255, 0.02), rgba(54, 207, 201, 0.02), rgba(114, 46, 209, 0.02));
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

#home .blob {
  position: absolute;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  filter: blur(64px);
}

#home .blob-1 {
  top: 25%;
  left: 25%;
  background: rgba(22, 93, 255, 0.15);
}

#home .blob-2 {
  bottom: 25%;
  right: 25%;
  background: rgba(54, 207, 201, 0.15);
  animation-delay: 2s;
}

#home .blob-3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(114, 46, 209, 0.1);
  animation-delay: 4s;
}

#home .content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  position: relative;
  z-index: 10;
}

#home h1 {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
}

#home h1 .gradient-text {
  background: linear-gradient(to right, #60a5fa, #22d3ee, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#home h1 .sub-text {
  color: #1e293b;
}

#home .subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: #475569;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

#home .btn-group {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  #home .btn-group {
    flex-direction: row;
  }
}

#home .btn-primary {
  background: linear-gradient(to right, #165DFF, #36CFC9);
  padding: 1.25rem 2.5rem;
  border-radius: 9999px;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s;
}

#home .btn-primary:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transform: scale(1.05);
}

#home .btn-secondary {
  border: 2px solid #60a5fa;
  padding: 1.25rem 2.5rem;
  border-radius: 9999px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #334155;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s;
}

#home .btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
}

/* 通用section样式 */
section {
  padding: 6rem 1.5rem;
}

section .container {
  max-width: 1280px;
  margin: 0 auto;
}

section .section-title {
  font-size: 3rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #165DFF, #36CFC9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

section .section-divider {
  width: 6rem;
  height: 0.375rem;
  background: linear-gradient(to right, #165DFF, #36CFC9);
  margin: 0 auto 4rem;
  border-radius: 9999px;
}

/* 关于我们 */
#about .about-card {
  background: white;
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  margin-bottom: 3rem;
}

#about .about-card .flex-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  #about .about-card .flex-container {
    flex-direction: row;
    align-items: center;
  }
}

#about .about-card .flex-item {
  flex: 1;
}

#about .about-card h3 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1.5rem;
}

#about .about-card p {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

#about .tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

#about .tag {
  background: linear-gradient(to right, #165DFF, #36CFC9);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 700;
}

#about .tag:nth-child(2) {
  background: linear-gradient(to right, #36CFC9, #722ED1);
}

#about .tag:nth-child(3) {
  background: linear-gradient(to right, #722ED1, #165DFF);
}

/* 三重护城河 */
#moat .cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  #moat .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

#moat .card {
  background: white;
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
  position: relative;
}

#moat .card:hover {
  border-color: rgba(22, 93, 255, 0.5);
  transform: translateY(-0.75rem);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

#moat .card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

#moat .card-number {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 900;
  color: white;
}

#moat .card:nth-child(1) .card-number {
  background: linear-gradient(to right, #165DFF, #36CFC9);
}

#moat .card:nth-child(2) .card-number {
  background: linear-gradient(to right, #36CFC9, #165DFF);
}

#moat .card:nth-child(3) .card-number {
  background: linear-gradient(to right, #722ED1, #36CFC9);
}

#moat .card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
}

#moat .card-subtitle {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

#moat .card:nth-child(1) .card-subtitle { color: #36CFC9; }
#moat .card:nth-child(2) .card-subtitle { color: #165DFF; }
#moat .card:nth-child(3) .card-subtitle { color: #722ED1; }

#moat .card-text {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.75;
}

/* 行业洞察 */
#insight {
  background: linear-gradient(to bottom right, #0f172a, #1e3a8a, #0f172a);
  position: relative;
  overflow: hidden;
}

#insight .bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom right, rgba(22, 93, 255, 0.1), transparent, rgba(114, 46, 209, 0.1));
}

#insight .section-title {
  color: white;
  background: none;
  -webkit-text-fill-color: white;
}

#insight .section-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin-bottom: 2.5rem;
}

/* 时代演变卡片 */
#insight .era-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  #insight .era-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

#insight .era-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#insight .era-card.active {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(22, 93, 255, 0.5);
}

#insight .era-number {
  font-size: 1.875rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1rem;
}

#insight .era-card.active .era-number {
  color: #36CFC9;
}

#insight .era-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
}

#insight .era-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* 痛点卡片 */
#insight .pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  #insight .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  #insight .pain-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

#insight .pain-card {
  backdrop-filter: blur(20px);
  padding: 2rem;
  border-radius: 1.5rem;
}

#insight .pain-card:nth-child(1) {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

#insight .pain-card:nth-child(2) {
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

#insight .pain-card:nth-child(3) {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
}

#insight .pain-card:nth-child(4) {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

#insight .pain-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

#insight .pain-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
}

#insight .pain-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* GEO营销 */
#insight .geo-box {
  display: inline-block;
  background: linear-gradient(to right, #165DFF, #36CFC9);
  padding: 2.5rem;
  border-radius: 1.5rem;
  margin-top: 4rem;
  text-align: center;
}

#insight .geo-title {
  font-size: 1.875rem;
  font-weight: 900;
  color: white;
  margin-bottom: 1rem;
}

#insight .geo-text {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
}

/* 四大核心业务 */
#business .business-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  #business .business-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  #business .business-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

#business .business-card {
  background: white;
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
  position: relative;
}

#business .business-card:hover {
  transform: translateY(-0.75rem);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

#business .business-card:nth-child(1):hover { border-color: rgba(22, 93, 255, 0.5); }
#business .business-card:nth-child(2):hover { border-color: rgba(54, 207, 201, 0.5); }
#business .business-card:nth-child(3):hover { border-color: rgba(114, 46, 209, 0.5); }
#business .business-card:nth-child(4):hover { border-color: rgba(22, 93, 255, 0.5); }

#business .business-icon {
  width: 5rem;
  height: 5rem;
  margin-bottom: 2rem;
}

#business .business-card:nth-child(1) .business-icon { color: #165DFF; }
#business .business-card:nth-child(2) .business-icon { color: #36CFC9; }
#business .business-card:nth-child(3) .business-icon { color: #722ED1; }
#business .business-card:nth-child(4) .business-icon { color: #165DFF; }

#business .business-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1.5rem;
}

#business .business-text {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 2rem;
}

#business .business-link {
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.3s;
}

#business .business-card:nth-child(1) .business-link { color: #165DFF; }
#business .business-card:nth-child(2) .business-link { color: #36CFC9; }
#business .business-card:nth-child(3) .business-link { color: #722ED1; }
#business .business-card:nth-child(4) .business-link { color: #165DFF; }

#business .business-link:hover { gap: 1rem; }

/* 品牌核心价值 */
#value .value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  #value .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

#value .video-area {
  background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.6), rgba(30, 58, 138, 0.6));
  backdrop-filter: blur(20px);
  border-radius: 1.5rem;
  border: 2px solid rgba(59, 130, 246, 0.3);
  overflow: hidden;
  /* aspect-ratio: 16/9; */
}

#value .advantages-card {
  background: white;
  padding: 2.5rem;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

#value .advantages-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #36CFC9;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

#value .advantage-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

#value .advantage-item:last-child {
  margin-bottom: 0;
}

#value .advantage-icon {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#value .advantage-item:nth-child(1) .advantage-icon {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

#value .advantage-item:nth-child(2) .advantage-icon {
  background: rgba(54, 207, 201, 0.1);
  color: #36CFC9;
}

#value .advantage-item:nth-child(3) .advantage-icon {
  background: rgba(114, 46, 209, 0.1);
  color: #722ED1;
}

#value .advantage-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.75rem;
}

#value .advantage-text {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.75;
}

/* 服务保障 */
#service .service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  #service .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  #service .service-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

#service .service-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  text-align: center;
  transition: all 0.3s;
}

#service .service-card:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

#service .service-icon {
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.25rem;
}

#service .service-card:nth-child(1) .service-icon { color: #165DFF; }
#service .service-card:nth-child(2) .service-icon { color: #36CFC9; }
#service .service-card:nth-child(3) .service-icon { color: #722ED1; }
#service .service-card:nth-child(4) .service-icon { color: #165DFF; }
#service .service-card:nth-child(5) .service-icon { color: #36CFC9; }

#service .service-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.75rem;
}

#service .service-text {
  font-size: 1.125rem;
  color: #475569;
}

/* 服务套餐 */
#service .package-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  #service .package-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

#service .package-card {
  padding: 2.5rem;
  border-radius: 1.5rem;
  border: 2px solid #e2e8f0;
  transition: all 0.3s;
}

#service .package-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

#service .package-card.recommended {
  background: linear-gradient(to bottom right, rgba(22, 93, 255, 0.05), rgba(54, 207, 201, 0.05));
  border-color: #165DFF;
  position: relative;
}

#service .package-card.recommended::before {
  content: '推荐';
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(to right, #165DFF, #36CFC9);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 0 1.5rem 0 1rem;
  font-size: 0.875rem;
  font-weight: 700;
}

#service .package-card.premium {
  background: linear-gradient(to bottom right, rgba(114, 46, 209, 0.05), rgba(22, 93, 255, 0.05));
  border-color: rgba(114, 46, 209, 0.5);
}

#service .package-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.5rem;
}

#service .package-desc {
  font-size: 1rem;
  color: #475569;
  margin-bottom: 1rem;
}

#service .package-price {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

#service .package-card:nth-child(1) .package-price { color: #165DFF; }
#service .package-card:nth-child(2) .package-price { color: #165DFF; }
#service .package-card:nth-child(3) .package-price { color: #722ED1; }

#service .package-period {
  font-size: 0.875rem;
  color: #64748B;
  margin-bottom: 2rem;
}

#service .package-features {
  margin-bottom: 2rem;
}

#service .package-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

#service .package-feature .check {
  font-size: 1.25rem;
}

#service .package-card:nth-child(1) .package-feature .check,
#service .package-card:nth-child(2) .package-feature .check { color: #36CFC9; }
#service .package-card:nth-child(3) .package-feature .check { color: #722ED1; }

#service .package-feature span {
  font-size: 1rem;
  color: #334155;
}

#service .package-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 1rem;
  border-radius: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s;
}

#service .package-card:nth-child(1) .package-btn {
  background: #f1f5f9;
  color: #1e293b;
}

#service .package-card:nth-child(1) .package-btn:hover {
  background: #165DFF;
  color: white;
}

#service .package-card:nth-child(2) .package-btn {
  background: linear-gradient(to right, #165DFF, #36CFC9);
  color: white;
}

#service .package-card:nth-child(3) .package-btn {
  background: linear-gradient(to right, #722ED1, #165DFF);
  color: white;
}

/* 新闻动态 */
#news {
  background: #F8FAFC;
  position: relative;
  overflow: hidden;
}

#news .bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom right, rgba(22, 93, 255, 0.05), rgba(54, 207, 201, 0.05), rgba(114, 46, 209, 0.05));
}

#news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  #news .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

#news .news-card {
  background: white;
  border-radius: 1.5rem;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}

#news .news-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  transform: translateY(-0.5rem);
}

#news .news-image {
  height: 12rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

#news .news-card:nth-child(1) .news-image {
  background: linear-gradient(to bottom right, rgba(22, 93, 255, 0.2), rgba(54, 207, 201, 0.2));
}

#news .news-card:nth-child(2) .news-image {
  background: linear-gradient(to bottom right, rgba(54, 207, 201, 0.2), rgba(114, 46, 209, 0.2));
}

#news .news-card:nth-child(3) .news-image {
  background: linear-gradient(to bottom right, rgba(114, 46, 209, 0.2), rgba(22, 93, 255, 0.2));
}

#news .news-content {
  padding: 2rem;
}

#news .news-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

#news .news-tag {
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
}

#news .news-card:nth-child(1) .news-tag {
  background: rgba(22, 93, 255, 0.1);
  color: #165DFF;
}

#news .news-card:nth-child(2) .news-tag {
  background: rgba(54, 207, 201, 0.1);
  color: #36CFC9;
}

#news .news-card:nth-child(3) .news-tag {
  background: rgba(114, 46, 209, 0.1);
  color: #722ED1;
}

#news .news-date {
  font-size: 0.875rem;
  color: #94a3b8;
}

#news .news-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 1rem;
  transition: color 0.3s;
}

#news .news-card:hover .news-title {
  color: #165DFF;
}

#news .news-card:nth-child(2):hover .news-title { color: #36CFC9; }
#news .news-card:nth-child(3):hover .news-title { color: #722ED1; }

#news .news-excerpt {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.75;
}

#news .news-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  margin-top: 1.5rem;
  transition: all 0.3s;
}

#news .news-card:nth-child(1) .news-link { color: #165DFF; }
#news .news-card:nth-child(2) .news-link { color: #36CFC9; }
#news .news-card:nth-child(3) .news-link { color: #722ED1; }

#news .news-card:hover .news-link { gap: 1rem; }

/* 联系我们 */
#contact {
  background: linear-gradient(to right, #165DFF, #36CFC9, #722ED1);
  position: relative;
  overflow: hidden;
}

#contact .bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.05), transparent);
}

#contact .contact-title {
  font-size: 3.5rem;
  font-weight: 900;
  color: white;
  text-align: center;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  #contact .contact-title {
    font-size: 4.5rem;
  }
}

#contact .contact-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.95);
  text-align: center;
  font-weight: 600;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  #contact .contact-subtitle {
    font-size: 2rem;
  }
}

#contact .contact-btns {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  #contact .contact-btns {
    flex-direction: row;
  }
}

#contact .contact-btn-primary {
  background: white;
  color: #165DFF;
  padding: 1.25rem 3rem;
  border-radius: 9999px;
  font-size: 1.5rem;
  font-weight: 900;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all 0.3s;
}

#contact .contact-btn-primary:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
  transform: scale(1.05);
}

#contact .contact-btn-secondary {
  background: transparent;
  border: 3px solid white;
  color: white;
  padding: 1.25rem 3rem;
  border-radius: 9999px;
  font-size: 1.5rem;
  font-weight: 900;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all 0.3s;
}

#contact .contact-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

#contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  #contact .contact-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

#contact .contact-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

#contact .contact-card-title {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}

#contact .contact-card-text {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

#contact .contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

#contact .contact-info-icon {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.75rem;
  border-radius: 0.75rem;
  transition: background 0.3s;
}

#contact .contact-info-item:hover .contact-info-icon {
  background: rgba(255, 255, 255, 0.3);
}

#contact .contact-info-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.25rem;
}

#contact .contact-info-value {
  font-size: 1.25rem;
  font-weight: 700;
}

/* Footer */
footer {
  padding: 2.5rem 1.5rem;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

footer .container {
  max-width: 1280px;
  margin: 0 auto;
}

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

@media (min-width: 768px) {
  footer .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

footer .footer-links a {
  color: #475569;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

footer .footer-links a:hover {
  color: #165DFF;
}

footer .footer-right {
  text-align: left;
}

@media (min-width: 768px) {
  footer .footer-right {
    text-align: right;
  }
  
  footer .footer-right .footer-links-list {
    justify-content: flex-end;
  }
}

footer .footer-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

footer .footer-copyright {
  border-top: 1px solid #e2e8f0;
  padding-top: 2rem;
  text-align: center;
}

footer .footer-copyright p {
  font-size: 1.125rem;
  color: #475569;
}

/* 响应式移动端菜单 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 767px) {
  .mobile-menu-btn {
    display: block;
  }
  
  nav .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }
  
  nav .nav-links.active {
    display: flex;
  }
  
  nav .cta-btn {
    display: none;
  }
}

/* 动画效果 */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* 滚动显示动画 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* add */
.logo-img {
  width: 80px;
}
.qrcode-img img {
  width: 100%;
}