/* Google Fonts Import */
@import url("https://fonts.googleapis.com/css2?family=Google+Sans:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap");

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Google Sans", sans-serif;
  background-color: #202124;
  color: #e8eaed;
  line-height: 1.5;
  overflow-x: hidden;
  scroll-behavior: smooth; /* 全局平滑滚动 */
  /* 去除滚动条 */
  -ms-overflow-style: none; /* IE 和 Edge */
  scrollbar-width: none; /* Firefox */
}
/* 隐藏 Chrome、Safari 和 Opera 的滚动条 */
body::-webkit-scrollbar {
  display: none;
}

a {
  color: #e8e8e8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.scroll-container {
  /* 隐藏滚动条 */
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
}

.scroll-container::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera */
}

/* .section { */
/* height: 100vh;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  color: white;
  text-align: center;
  width: 100%;
  box-sizing: border-box; */
/* } */
.section {
  min-height: 100vh;
  width: 100%;
  padding-top: 70px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: calc(var(--vh, 1vh) * 100);
  height: fit-content; /* 关键：允许内容撑开高度 */
}

.section h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.section p {
  font-size: 1.2rem;
  max-width: 600px;
  line-height: 1.6;
}

.nav-dots {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.dot {
  width: 12px;
  height: 12px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  margin: 10px 0;
  cursor: pointer;
  transition: transform 0.3s, background-color 0.3s;
}

.dot.active {
  background-color: white;
  transform: scale(1.3);
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Hero Section - First Screen */
.hero-section {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(
    135deg,
    #33333669 0%,
    #1d1d2354 50%,
    #171c27ba 100%
  );
  position: relative;
  overflow: hidden;
}

/* Animated background */
.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(138, 180, 248, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(102, 157, 246, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(138, 180, 248, 0.05) 0%,
      transparent 50%
    );
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(1deg);
  }
  66% {
    transform: translateY(20px) rotate(-1deg);
  }
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 800px;
  padding: 0 2rem;
  animation: slideInUp 1s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #8ab4f8 0%, #669df6 50%, #4285f4 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: "Google Sans", sans-serif;
  letter-spacing: -0.02em;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    filter: drop-shadow(0 0 10px rgba(138, 180, 248, 0.3));
  }
  to {
    filter: drop-shadow(0 0 30px rgba(138, 180, 248, 0.6));
  }
}

.hero-subtitle {
  font-size: 1.5rem;
  color: #bdc1c6;
  margin-bottom: 3rem;
  font-family: "Google Sans", sans-serif;
  font-weight: 400;
  animation: fadeIn 1s ease-out 0.5s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.scroll-hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #9aa0a6;
  font-size: 0.9rem;
  font-family: "Google Sans", sans-serif;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: color 0.3s ease;
  text-align: center;
  white-space: nowrap;
}

.scroll-hint:hover {
  color: #8ab4f8;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

.scroll-arrow {
  display: block;
  margin-top: 0.5rem;
  font-size: 1.2rem;
  animation: arrowBounce 2s infinite;
}

@keyframes arrowBounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(5px);
  }
  60% {
    transform: translateY(2px);
  }
}

/* introduction Styles */
.introduction-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.introduction-title {
  /* font-size: 1.85rem !important; */
  padding-bottom: 2rem;
  color: #ffffff;
}
.introduction-content {
  color: #bdc1c6;
  font-size: 1.25rem;
  font-family: "Google Sans", sans-serif;
  padding: 1rem 16rem;
}
.slide-up {
  animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Search Section - Second Screen */
.search-section {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  background-color: #202124;
  position: relative;
}

.search-container {
  max-width: 800px;
  width: 100%;
  text-align: center;
  animation: fadeInUp 1.5s ease-out;
}

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

.slide-down {
  animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.search-title {
  font-size: 3.75rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #ffffff;
  font-family: "Google Sans", sans-serif;
  letter-spacing: -0.02em;
}

.search-tagline {
  font-size: 1rem;
  color: #9aa0a6;
  margin-bottom: 2rem;
  text-align: center;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  font-family: "Google Sans", sans-serif;
  font-weight: 400;
}

/* Search Box */
.search-box {
  width: 100%;
  max-width: 800px;
  display: flex;
  border: 1px solid #5f636800;
  border-radius: 24px;
  padding: 0.5rem 1rem;
  background-color: #4d5156;
  margin: 0 auto;
  transition: all 0.3s ease;
}

.search-box:hover {
  border-color: #8ab4f8;
  box-shadow: 0 4px 16px rgba(138, 180, 248, 0.2);
}

.search-box:focus-within {
  border-color: #8ab4f8;
  box-shadow: 0 4px 16px rgba(138, 180, 248, 0.3);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  background-color: transparent;
  color: #e8eaed;
  font-family: "Google Sans", sans-serif;
  font-weight: 400;
}

.search-box input::placeholder {
  color: #9aa0a6;
  font-family: "Google Sans", sans-serif;
  font-weight: 400;
}

.search-box button {
  border: none;
  /* background-color: #c2e7ff; */
  background: linear-gradient(135deg, #8ab4f8, #c2e7ff);
  color: #202124;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  font-family: "Google Sans", sans-serif;
  transition: all 0.3s ease;
}

.search-box button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(138, 180, 248, 0.4);
}

/* Features Section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  max-width: 800px;
  width: 100%;
}

.feature {
  text-align: center;
  padding: 2rem;
  background: rgba(48, 49, 52, 0.6);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  border: 1px solid rgba(95, 99, 104, 0.1);
  transition: all 0.3s ease;
}

.feature:hover {
  transform: translateY(-5px);
  background: rgba(48, 49, 52, 0.8);
  border-color: rgba(138, 180, 248, 0.4);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #e8eaed;
  margin-bottom: 0.5rem;
  font-family: "Google Sans", sans-serif;
}

.feature-desc {
  font-size: 0.95rem;
  color: #9aa0a6;
  font-family: "Google Sans", sans-serif;
}

/* Footer */
footer {
  width: 100%;
  text-align: center;
  padding: 1rem 1rem;
  font-size: 0.875rem;
  color: #5f6368;
  background: rgba(16, 16, 20, 0.8);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(95, 99, 104, 0.2);
  font-family: "Google Sans", sans-serif;
  font-weight: 400;
  position: absolute;
  bottom: 0;
}

footer a:hover {
  color: #8ab4f8;
}

/* Responsive Design */

@media (max-width: 480px) {
  .hero-content {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .search-title {
    font-size: 2rem;
  }

  .search-box {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .search-box button {
    width: 100%;
  }
}

/* Navigation Styles */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgb(32 33 36 / 20%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(95, 99, 104, 0.1);
  padding: 1rem 2rem;
  transition: all 0.3s ease;
  font-family: "Google Sans", sans-serif;
}

.navbar.scrolled {
  background: rgba(32, 33, 36, 0.95);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(95, 99, 104, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  font-family: "Google Sans", sans-serif;
  letter-spacing: -0.02em;
  transition: all 0.3s ease;
}

.nav-logo:hover {
  color: #669df6;
  text-decoration: none;
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: #bdc1c6;
  text-decoration: none;
  font-weight: 400;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  height: 100%;
  border-radius: 20px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  font-family: "Google Sans", sans-serif;
}

.nav-link:hover {
  color: #8ab4f8;
  background: rgba(138, 180, 248, 0.1);
  transform: translateY(-1px);
  text-decoration: none;
}

.nav-link:active {
  transform: translateY(0);
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #bdc1c6;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  font-family: "Google Sans", sans-serif;
}

.mobile-menu-toggle:hover {
  color: #8ab4f8;
  background: rgba(138, 180, 248, 0.1);
}

/* Mobile Navigation Styles */

/* Adjust hero section for fixed navbar */
.hero-section {
  height: 100vh;
  box-sizing: border-box;
  padding-top: 80px; /* Add space for fixed navbar */
}

/* FAQ */
.faq-list {
  margin-left: 2rem;
}

.FAQs-text {
  padding: 1rem;
}
.FAQs-text h1 {
  position: absolute;
  left: 6rem;
  top: 1rem;
}
.FAQs-text h4 {
  position: absolute;
  left: 6rem;
  top: 5rem;
  color: rgba(255, 255, 255, 0.3);
}

.faq-item {
  border-bottom: 0.0625rem solid transparent; /* 保留边框占位 */
  position: relative;
}
.faq-item-line {
  width: 100%;
  height: 0.0425rem;
  background-image: linear-gradient(to right, rgba(95, 99, 104, 0.1), #202124);
  position: absolute;
  left: 0;
  bottom: 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  padding: 1.25rem 1.5625rem 1.25rem 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease;
  position: relative;
  border-radius: 0.625rem;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.faq-question:hover {
  color: #8ab4f8;
  background: rgba(138, 180, 248, 0.1);
  box-shadow: 0 4px 12px rgba(138, 180, 248, 0.3);
  transition: all 0.3s;
}

.faq-toggle {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8ab4f8;
  font-size: 1.125rem;
  font-weight: bold;
  transition: all 0.3s ease;
  flex-shrink: 0;
  margin-right: 0.9375rem;
}

.question-text {
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  /* color: #2c3e50; */
  margin: 0;
  flex: 1;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  /* background: white; */
}

.faq-answer-content {
  padding: 0.725rem 1.5625rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}
.faq-answer-content p {
  font-size: 0.9375rem;
  text-align: left;
}

.faq-answer p {
  margin-bottom: 0.9375rem;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 平滑动画 */
.faq-item {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(0.625rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.container-price {
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: center;
}

.header {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  background: linear-gradient(135deg, #8ab4f8, #c2e7ff);
  color: #202124;
  margin: -1rem -1rem 2rem -1rem;
  border-radius: 0 0 1.5rem 1.5rem;
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.header p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.hero-stats {
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem;
  border-radius: 0.75rem;
  display: flex;
  justify-content: space-around;
  backdrop-filter: blur(0.625rem);
  border: 0.0625rem solid rgba(255, 255, 255, 0.3);
}

.hero-stat {
  text-align: center;
}

.hero-number {
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
}

.hero-label {
  font-size: 0.8rem;
  opacity: 0.9;
}

.value-proposition {
  background: linear-gradient(135deg, #8ab4f8, #c2e7ff);
  color: #202124;
  text-align: center;
  padding: 1.25rem;
  border-radius: 1rem;
  margin-bottom: 2rem;
  box-shadow: 0 0.5rem 1.5625rem rgba(138, 180, 248, 0.3);
}

.value-text {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.value-detail {
  font-size: 0.9rem;
  opacity: 0.9;
}

.api-grid {
  width: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2.85rem;
}

.api-card {
  width: 18rem;
  background: #303134;
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 0.25rem 1.25rem rgba(0, 0, 0, 0.3);
  border: 0.0625rem solid #5f6368;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.api-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0.25rem;
  background: linear-gradient(90deg, #8ab4f8, #c2e7ff);
}

.api-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: 0 0.75rem 2.5rem rgba(138, 180, 248, 0.3);
  border-color: #8ab4f8;
}

.api-card.featured::before {
  height: 0.375rem;
  background: linear-gradient(90deg, #8ab4f8, #667eea);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: #8ab4f8;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.api-header {
  margin-bottom: 1.25rem;
}

.api-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.api-code {
  font-family: "SF Mono", "Monaco", "Courier New", monospace;
  font-size: 0.8rem;
  color: #bdc1c6;
  background: #202124;
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  display: inline-block;
  border: 0.0625rem solid #5f6368;
}

.pricing-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: #e8eaed;
  border-radius: 0.75rem;
}

.price-info {
  flex: 1;
}

.price-main {
  font-size: 2rem;
  font-weight: 700;
  color: #1e293b;
  line-height: 1;
}

.price-unit {
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.price-single {
  text-align: right;
  color: #64748b;
}

.price-single-value {
  font-size: 0.9rem;
  font-weight: 600;
}

.price-single-label {
  font-size: 0.75rem;
}

.comparison-section {
  background: #fef2f2;
  border: 0.0625rem solid #fecaca;
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.comparison-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.competitor-info {
  flex: 1;
}

.competitor-name {
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 0.125rem;
}

.competitor-price {
  font-size: 1rem;
  font-weight: 600;
  color: #ef4444;
}

.savings-badge {
  background: #ef4444;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 1.25rem;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.savings-calculation {
  font-size: 0.8rem;
  color: #64748b;
  text-align: center;
}

.features-list {
  list-style: none;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: #a0b9db;
}

.feature-item:last-child {
  margin-bottom: 0;
}

.feature-icon {
  width: 1.25rem;
  height: 1.25rem;
  background: #8ab4f8;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
  flex-shrink: 0;
  margin: auto 0;
}

.unique-badge {
  background: #64748b;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 1.25rem;
  font-weight: 600;
  font-size: 0.85rem;
}

.cta-section {
  text-align: center;
  margin-top: 2.5rem;
  padding: 2rem 1rem;
  background: #303134;
  border-radius: 1.25rem;
  box-shadow: 0 0.25rem 1.25rem rgba(0, 0, 0, 0.3);
  border: 0.0625rem solid #5f6368;
}

.cta-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.cta-subtitle {
  color: #bdc1c6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.cta-button {
  background: linear-gradient(135deg, #8ab4f8, #c2e7ff);
  color: #202124;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0.25rem 1.25rem rgba(138, 180, 248, 0.3);
}

.cta-button:hover {
  transform: translateY(-0.125rem);
  box-shadow: 0 0.5rem 1.875rem rgba(138, 180, 248, 0.4);
}

/* 动画效果 */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(1.875rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* .api-card {
  animation: slideUp 0.6s ease-out forwards;
} */

/* .api-card:nth-child(1) {
  animation-delay: 0.1s;
}
.api-card:nth-child(2) {
  animation-delay: 0.2s;
}
.api-card:nth-child(3) {
  animation-delay: 0.3s;
} */
/* 引导区域 */
.guide-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.guide-card-box {
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.guide-title {
  font-size: 1.4rem;
  padding-bottom: 3rem;
  color: #ffffff;
}
.guide-card {
  margin: 1rem;
  width: 14rem;
  height: 16rem;
  padding: 1rem;
  box-sizing: border-box;
  /* border: 0.0625rem solid #8ab4f8; */
  background-color: #202124;
  border-radius: 2rem;
  color: #bdc1c6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  font-size: 0.825rem;
}
.guide-icon {
  padding: 3rem 0 1rem;
  width: 3rem;
  height: auto;
}
.guide-text {
  text-indent: 2em;
}

.gradient-border {
  position: relative;
  width: 14rem;
  height: 16rem;
  border-radius: 25px;
}
.gradient-border::before {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  right: -1px;
  background: linear-gradient(90deg, #ffffff, #8ab4f8);
  z-index: -1;
  border-radius: inherit;
}
@keyframes rotateGradient {
  from {
    background-image: linear-gradient(0deg, #ffffff, #8ab4f8);
  }
  to {
    background-image: linear-gradient(360deg, #ffffff, #8ab4f8);
  }
}
.animated::before {
  animation: rotateGradient 5s linear infinite;
}

.guide-card.featured::before {
  height: 0.375rem;
  background: linear-gradient(90deg, #8ab4f8, #667eea);
}
.guide-next1 {
  padding-top: 2rem;
  font-size: 1.6rem;
}
.guide-next2 {
  padding-top: 2rem;
  font-size: 0.8rem;
  color: #9aa0a6;
}

/* 优势区域 */
.container-advantage {
  padding: 6rem 0 4rem;
  text-align: center;

  border-radius: 0 0 3rem 3rem;
  margin-bottom: 4rem;
}

.container-advantage h2 {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, white, #c2e7ff, #8ab4f8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container-advantage p {
  font-size: 1rem;
  color: #bdc1c6;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-family: "Google Sans", sans-serif;
}

.advantage-stats {
  padding: 1rem;
  background: linear-gradient(
    135deg,
    rgba(138, 180, 248, 0.1),
    rgba(194, 231, 255, 0.05)
  );
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  border-radius: 0.635rem;
}

.advantage-stat {
  text-align: center;
}

.advantage-stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #8ab4f8;
  display: block;
}

.advantage-stat-label {
  font-size: 1rem;
  color: #bdc1c6;
  margin-top: 0.5rem;
}

/* 价值主张 */
.value-section {
  padding: 4rem 0;
  text-align: center;
}

.value-highlight {
  background: linear-gradient(135deg, #8ab4f8, #c2e7ff);
  color: #202124;
  padding: 2rem 3rem;
  border-radius: 2rem;
  display: inline-block;
  margin-bottom: 3rem;
  box-shadow: 0 1rem 3rem rgba(138, 180, 248, 0.3);
}

.value-highlight h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.value-highlight p {
  font-size: 1.1rem;
  opacity: 0.9;
}
@media (max-width: 768px) {
  .section {
    height: fit-content;
    touch-action: pan-y;
    overscroll-behavior: none;
    margin-bottom: 0;
  }
  .api-grid {
    display: flex;
    flex-direction: column; /* 单列布局 */
    gap: 1.5rem;
  }

  .api-card {
    width: 100%;
    max-width: 350px;
  }
  body {
    padding: 0.625rem;
  }

  .faq-title {
    padding: 1.25rem;
  }

  .faq-title h1 {
    font-size: 1.5rem;
  }

  .faq-question {
    padding: 0.9375rem 1.25rem;
  }

  .faq-answer-content {
    padding: 1.25rem;
  }

  .question-text {
    font-size: 0.9375rem;
    padding-right: 0.9375rem;
  }
  .hero-section {
    height: 100vh;
    box-sizing: border-box;
    padding-top: 70px; /* Adjust for mobile navbar height */
  }
  .section h1 {
    font-size: 2.5rem;
  }
  .section p {
    font-size: 1rem;
  }
  .nav-dots {
    right: 15px;
  }
  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .search-title {
    font-size: 2.5rem;
  }

  .features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
  }
  .navbar {
    padding: 1rem;
  }

  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(32, 33, 36, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(95, 99, 104, 0.1);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 1rem;
    font-size: 1.1rem;
    border-radius: 8px;
  }

  .mobile-menu-toggle {
    display: block;
  }
  .container-advantage {
    margin-bottom: 0;
  }
  .introduction-content {
    padding: 1rem;
  }
}