/* 全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Quicksand:wght@500;600;700&display=swap');

:root {
  --primary: #22c55e;
  --primary-dark: #16a34a;
  --primary-light: #4ade80;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --dark: #111827;
  --light: #f9fafb;
  --gray: #6b7280;
  --gray-light: #d1d5db;
  --gray-dark: #374151;
}

body {
  font-family: 'Noto Sans SC', 'Quicksand', sans-serif;
  background-color: black;
  scroll-behavior: smooth;
}

/* 星空背景 */
.starry-background {
  background: radial-gradient(ellipse at bottom, #0d1d31 0%, #0c0d13 100%);
  overflow: hidden;
}

.starry-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 4px),
    radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 3px),
    radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 4px);
  background-size: 550px 550px, 350px 350px, 250px 250px;
  background-position: 0 0, 40px 60px, 130px 270px;
  animation: starTwinkle 15s linear infinite;
}

@keyframes starTwinkle {
  0% { opacity: 0.5; }
  50% { opacity: 1; }
  100% { opacity: 0.5; }
}

/* 导航链接 */
.nav-link {
  position: relative;
  color: white;
  opacity: 0.7;
  font-weight: 500;
  transition: opacity 0.3s;
}

.nav-link:hover {
  opacity: 1;
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: linear-gradient(to right, var(--primary), var(--accent));
  transition: width 0.3s;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link-mobile {
  opacity: 0.7;
  transition: opacity 0.3s, color 0.3s;
}

.nav-link-mobile:hover {
  opacity: 1;
  color: var(--primary);
}

/* 移动导航 */
.mobile-menu {
  transform: translateY(-100%);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.active {
  transform: translateY(0);
  display: flex;
}

/* 语言选择器 */
.language-selector {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}

.language-btn {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 5px 10px;
  border-radius: 4px;
  transition: all 0.3s;
}

.language-btn:hover, .mobile-lang-btn:hover {
  background: rgba(34, 197, 94, 0.2);
  color: var(--primary);
}

/* 按钮样式 */
.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.3);
  transition: all 0.3s;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(34, 197, 94, 0.5);
}

.secondary-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* 脉冲动画 */
.pulse-animation {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

/* 英雄区域样式 */
.hero {
  position: relative;
}

.glowing-circle {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  z-index: -1;
}

.floating-rings {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden;
}

.floating-rings::before,
.floating-rings::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.floating-rings::before {
  width: 600px;
  height: 600px;
  border: 2px solid rgba(34, 197, 94, 0.1);
  top: 20%;
  left: 20%;
  animation: floatRing 20s linear infinite;
}

.floating-rings::after {
  width: 400px;
  height: 400px;
  border: 2px solid rgba(59, 130, 246, 0.1);
  bottom: 10%;
  right: 15%;
  animation: floatRing 15s linear infinite reverse;
}

@keyframes floatRing {
  0% {
    transform: rotate(0) translate(50px) rotate(0);
  }
  100% {
    transform: rotate(360deg) translate(50px) rotate(-360deg);
  }
}

.galaxy-container {
  position: relative;
}

.galaxy-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.3) 0%, rgba(59, 130, 246, 0.3) 100%);
  mix-blend-mode: screen;
  border-radius: 0.75rem;
}

.play-video-btn {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s;
}

.play-video-btn:hover {
  background: rgba(34, 197, 94, 0.8);
  transform: scale(1.1);
}

/* 痛点和解决方案样式 */
.pain-point-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.icon-wrapper {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.solution-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(34, 197, 94, 0.2);
  backdrop-filter: blur(10px);
  padding: 30px;
  border-radius: 16px;
  position: relative;
  z-index: 1;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.glowing-rings {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, 0.1);
  top: -100px;
  right: -100px;
  z-index: 0;
}

.glowing-rings::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(59, 130, 246, 0.1);
  top: 50px;
  left: -50px;
}

/* 功能卡片样式 */
.feature-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-detail {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 功能轮播 */
.feature-slides {
  position: relative;
}

.feature-slide {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.feature-slide.active {
  display: block;
}

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

.feature-image-container {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
  mix-blend-mode: screen;
}

.feature-more-btn {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--primary);
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s;
}

.feature-more-btn:hover {
  background: rgba(34, 197, 94, 0.2);
}

.feature-nav {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.feature-nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 5px;
  transition: all 0.3s;
}

.feature-nav-dot.active {
  background: var(--primary);
  transform: scale(1.2);
}

/* 背景星空层 */
.stars-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: 
    radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 3px),
    radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 2px),
    radial-gradient(white, rgba(255,255,255,.1) 1px, transparent 2px);
  background-size: 500px 500px, 300px 300px, 200px 200px;
  background-position: 0 0, 30px 60px, 100px 200px;
  animation: starsMove 100s linear infinite;
}

@keyframes starsMove {
  0% {
    background-position: 0 0, 30px 60px, 100px 200px;
  }
  100% {
    background-position: 1000px 1000px, 1030px 1060px, 1100px 1200px;
  }
}

/* 报告部分样式 */
.report-image-container {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.report-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
  mix-blend-mode: screen;
}

.report-particles {
  position: absolute;
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  background-image: 
    radial-gradient(var(--primary-light), rgba(34, 197, 94, 0.2) 2px, transparent 3px),
    radial-gradient(var(--accent), rgba(59, 130, 246, 0.15) 1px, transparent 2px);
  background-size: 80px 80px, 60px 60px;
  animation: particleFloat 15s linear infinite;
  opacity: 0.5;
}

@keyframes particleFloat {
  0% {
    background-position: 0 0, 30px 30px;
  }
  100% {
    background-position: 80px 80px, 110px 110px;
  }
}

.report-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.report-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(34, 197, 94, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

/* 星云背景 */
.nebula-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: radial-gradient(
    ellipse at center,
    rgba(34, 197, 94, 0.1) 0%,
    rgba(59, 130, 246, 0.08) 50%,
    transparent 70%
  );
  animation: nebulaGlow 15s ease-in-out infinite alternate;
}

@keyframes nebulaGlow {
  0% {
    opacity: 0.3;
    transform: scale(1);
  }
  100% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

/* 特色交互卡片 */
.interaction-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.interaction-card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 10px 20px rgba(34, 197, 94, 0.1);
}

.interaction-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

/* 体验展示 */
.experience-case {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.3s;
}

.experience-case:hover {
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 10px 20px rgba(34, 197, 94, 0.1);
}

.experience-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.step-marker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.2);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

/* 评价轮播 */
.testimonial-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s;
}

.testimonial-slides {
  position: relative;
}

.testimonial-slide {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
}

.testimonial-prev,
.testimonial-next {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s;
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background: rgba(34, 197, 94, 0.3);
}

.testimonial-dots {
  display: flex;
  margin: 0 15px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 5px;
  transition: all 0.3s;
}

.testimonial-dot.active {
  background: var(--primary);
  transform: scale(1.2);
}

/* 统计数字 */
.stat-card {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  font-size: 1rem;
  color: var(--gray-light);
}

/* 银河背景 */
.galaxy-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(34, 197, 94, 0.05) 50%, rgba(0, 0, 0, 0) 100%);
}

/* 价格卡片 */
.pricing-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 10px 20px rgba(34, 197, 94, 0.1);
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.2);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 15px;
  border-radius: 20px;
}

.pricing-header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-body {
  flex-grow: 1;
  margin-bottom: 20px;
}

.pricing-features {
  margin-bottom: 20px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  gap: 10px;
}

.pricing-btn {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 30px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transition: all 0.3s;
}

.pricing-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.popular-btn {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popular-btn:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--accent-dark));
}

.pricing-note {
  text-align: center;
  font-size: 12px;
  color: var(--gray);
  margin-top: 10px;
}

/* 硬件卡片 */
.hardware-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .hardware-container {
    grid-template-columns: 1fr;
  }
}

.hardware-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s;
  text-align: center;
}

.hardware-card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 10px 20px rgba(34, 197, 94, 0.1);
}

.hardware-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hardware-image img {
  max-height: 100%;
  max-width: 100%;
}

.hardware-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 15px;
}

.hardware-btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transition: all 0.3s;
}

.hardware-btn:hover {
  background: rgba(34, 197, 94, 0.2);
  color: var(--primary);
}

/* 下载按钮 */
.app-store-btn,
.google-play-btn {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.3s;
}

.app-store-btn:hover,
.google-play-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* FAQ样式 */
.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: rgba(17, 24, 39, 0.6);
  border: none;
  text-align: left;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: all 0.3s;
}

.faq-question:hover {
  background: rgba(34, 197, 94, 0.1);
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0, 1, 0, 1);
  background: rgba(17, 24, 39, 0.4);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: 20px;
  transition: all 0.3s cubic-bezier(1, 0, 1, 0);
}

/* 联系按钮 */
.contact-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 30px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--primary);
  font-weight: 600;
  transition: all 0.3s;
}

.contact-btn:hover {
  background: rgba(34, 197, 94, 0.2);
}

/* 返回顶部按钮 */
.back-to-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.3s;
  z-index: 100;
}

.back-to-top-btn:hover {
  background: rgba(34, 197, 94, 0.4);
  transform: translateY(-5px);
}

/* 设备框架 */
.device-frame {
  width: 100%;
  height: 100%;
  max-width: 375px;
  border-radius: 40px;
  background: #000;
  padding: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}

.device-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 30px;
  background: #000;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  z-index: 10;
}

/* 视频和推文卡片 */
.video-card, .tweet-card {
  transition: all 0.3s ease;
}

/* 等待名单表单 */
#waiting-list-form input, 
#waiting-list-form textarea, 
#waiting-list-form select {
  transition: all 0.3s ease;
}

#waiting-list-form input:focus, 
#waiting-list-form textarea:focus, 
#waiting-list-form select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 1px var(--primary);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .download-btn, .secondary-btn {
    width: 100%;
  }
  
  .glowing-circle {
    width: 300px;
    height: 300px;
  }
  
  .galaxy-container {
    height: 300px;
  }
  
  .play-video-btn {
    width: 60px;
    height: 60px;
  }
  
  .feature-slide {
    text-align: center;
  }
  
  .feature-more-btn {
    margin: 0 auto;
  }
  
  .pricing-card {
    margin-bottom: 20px;
  }
  
  .hardware-container {
    padding: 0 15px;
  }
  
  .experience-case {
    margin-bottom: 20px;
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .app-store-btn, .google-play-btn {
    width: 100%;
    justify-content: center;
    margin-bottom: 10px;
  }
}