/* faq.css - 常见问题页面专用样式 */

/* 常见问题页面英雄区域 */
.faq-hero {
  padding-top: 140px;
  background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
}

.faq-hero .hero-content {
  text-align: center;
  padding-right: 0;
}

.faq-hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.faq-hero .hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.faq-hero .hero-subtitle a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.faq-hero .hero-subtitle a:hover {
  text-decoration: underline;
}

.search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-box i {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-color);
  font-size: 1.2rem;
}

#faq-search {
  width: 100%;
  padding: 18px 60px 18px 50px;
  font-size: 1.1rem;
  border: 2px solid var(--light-gray);
  border-radius: 50px;
  outline: none;
  transition: var(--transition);
}

#faq-search:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}

#search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 12px 25px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

#search-btn:hover {
  background-color: var(--primary-dark);
}

.faq-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 50px;
}

.question-mark {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 40px;
  animation: pulse 2s infinite;
  box-shadow: 0 10px 20px rgba(66, 133, 244, 0.3);
}

.faq-icons {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.faq-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  border-radius: var(--border-radius);
  background-color: white;
  box-shadow: var(--shadow);
  width: 120px;
  transition: var(--transition);
}

.faq-icon:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.faq-icon i {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.faq-icon:nth-child(1) i {
  color: var(--primary-color);
}

.faq-icon:nth-child(2) i {
  color: var(--secondary-color);
}

.faq-icon:nth-child(3) i {
  color: var(--accent-color);
}

.faq-icon span {
  font-size: 1rem;
  font-weight: 500;
}

/* 问题分类区域 */
.categories-section {
  background-color: #f8f9fa;
}

.faq-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.category-card {
  display: block;
  background-color: white;
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 5px solid transparent;
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
  color: inherit;
}

.category-card:nth-child(1) {
  border-top-color: var(--primary-color);
}

.category-card:nth-child(2) {
  border-top-color: var(--secondary-color);
}

.category-card:nth-child(3) {
  border-top-color: var(--accent-color);
}

.category-card:nth-child(4) {
  border-top-color: var(--warning-color);
}

.category-card:nth-child(5) {
  border-top-color: #6a11cb;
}

.category-card:nth-child(6) {
  border-top-color: #2575fc;
}

.category-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2.2rem;
  color: white;
}

.category-card:nth-child(1) .category-icon {
  background-color: var(--primary-color);
}

.category-card:nth-child(2) .category-icon {
  background-color: var(--secondary-color);
}

.category-card:nth-child(3) .category-icon {
  background-color: var(--accent-color);
}

.category-card:nth-child(4) .category-icon {
  background-color: var(--warning-color);
}

.category-card:nth-child(5) .category-icon {
  background-color: #6a11cb;
}

.category-card:nth-child(6) .category-icon {
  background-color: #2575fc;
}

.category-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--dark-color);
}

.category-card p {
  color: var(--gray-color);
  line-height: 1.6;
}

/* 常见问题列表区域 */
.faq-list-section {
  background-color: white;
}

.faq-category {
  margin-bottom: 80px;
}

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

.category-title {
  font-size: 2.2rem;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  color: var(--dark-color);
}

.category-title i {
  margin-right: 15px;
  font-size: 1.8rem;
}

#general-questions .category-title i {
  color: var(--primary-color);
}

#download-install .category-title i {
  color: var(--secondary-color);
}

#privacy-security .category-title i {
  color: var(--accent-color);
}

#sync-settings .category-title i {
  color: var(--warning-color);
}

.faq-items {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background-color: white;
  border-radius: var(--border-radius);
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-left: 4px solid transparent;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#general-questions .faq-item {
  border-left-color: var(--primary-color);
}

#download-install .faq-item {
  border-left-color: var(--secondary-color);
}

#privacy-security .faq-item {
  border-left-color: var(--accent-color);
}

#sync-settings .faq-item {
  border-left-color: var(--warning-color);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 30px;
  cursor: pointer;
  transition: var(--transition);
  background-color: #f8f9fa;
}

.faq-question:hover {
  background-color: #f1f3f4;
}

.faq-question h3 {
  font-size: 1.3rem;
  margin-bottom: 0;
  color: var(--dark-color);
  flex: 1;
}

.faq-question i {
  color: var(--gray-color);
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  margin-left: 20px;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
  padding: 0 30px;
}

.faq-item.active .faq-answer {
  max-height: 2000px;
  padding: 0 30px 30px;
}

.faq-answer p {
  color: var(--gray-color);
  line-height: 1.7;
  margin-bottom: 15px;
}

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

.faq-answer ul,
.faq-answer ol {
  margin-bottom: 15px;
  padding-left: 20px;
}

.faq-answer li {
  margin-bottom: 8px;
  color: var(--gray-color);
  line-height: 1.6;
}

.faq-answer strong {
  color: var(--dark-color);
}

.faq-answer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.faq-answer a:hover {
  text-decoration: underline;
}

/* 特殊内容样式 */
.system-requirements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.requirement {
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: var(--border-radius);
}

.requirement h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.requirement h4 i {
  margin-right: 10px;
  font-size: 1.3rem;
}

.requirement ul {
  padding-left: 20px;
  margin: 0;
}

.requirement li {
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 15px 0;
}

.language-list span {
  background-color: #f1f3f4;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--gray-color);
}

.tip,
.warning {
  display: flex;
  align-items: flex-start;
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
}

.tip {
  background-color: #e8f5e9;
  border-left: 4px solid var(--secondary-color);
}

.warning {
  background-color: #ffebee;
  border-left: 4px solid var(--accent-color);
}

.tip i,
.warning i {
  margin-right: 15px;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.tip i {
  color: var(--secondary-color);
}

.warning i {
  color: var(--accent-color);
}

.tip p,
.warning p {
  margin: 0;
  color: var(--dark-color);
}

.mobile-install {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 20px 0;
}

.install-method {
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: var(--border-radius);
}

.install-method h4 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.install-method h4 i {
  margin-right: 10px;
  font-size: 1.5rem;
}

.install-method ol {
  padding-left: 20px;
}

.install-method li {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.customization-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 20px 0;
}

.option {
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: var(--border-radius);
}

.option h4 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.option h4 i {
  margin-right: 10px;
  font-size: 1.3rem;
  color: var(--primary-color);
}

.option ol {
  padding-left: 20px;
}

.option li {
  margin-bottom: 8px;
  font-size: 0.9rem;
}

kbd {
  background-color: #f1f3f4;
  border: 1px solid var(--light-gray);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: monospace;
  font-size: 0.9rem;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1);
}

/* 联系区域 */
.contact-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  color: white;
}

.contact-content {
  text-align: center;
}

.contact-content h2 {
  font-size: 2.8rem;
  color: white;
  margin-bottom: 20px;
}

.contact-content p {
  font-size: 1.3rem;
  margin-bottom: 50px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.contact-option {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
}

.contact-option:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-10px);
}

.option-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  font-size: 2.2rem;
  color: var(--primary-color);
}

.contact-option h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: white;
}

.contact-option p {
  font-size: 1rem;
  margin-bottom: 25px;
  opacity: 0.8;
}

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

.contact-option .btn:hover {
  background-color: #f8f9fa;
}

.additional-help {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.additional-help h3 {
  font-size: 1.8rem;
  margin-bottom: 25px;
  color: white;
}

.help-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.help-links a {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.help-links a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.help-links a i {
  margin-right: 10px;
  font-size: 1.2rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .faq-hero h1 {
    font-size: 2.8rem;
  }

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

@media (max-width: 768px) {
  .faq-hero h1 {
    font-size: 2.3rem;
  }

  .faq-categories {
    grid-template-columns: 1fr;
  }

  .faq-icons {
    gap: 20px;
  }

  .faq-icon {
    width: 100px;
    padding: 15px;
  }

  .contact-options {
    grid-template-columns: 1fr;
  }

  .system-requirements,
  .mobile-install,
  .customization-options {
    grid-template-columns: 1fr;
  }

  .search-box {
    flex-direction: column;
  }

  #search-btn {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    margin-top: 15px;
    width: 100%;
  }
}

@media (max-width: 576px) {
  .faq-hero h1 {
    font-size: 2rem;
  }

  .category-title {
    font-size: 1.8rem;
  }

  .faq-question {
    padding: 20px;
  }

  .faq-question h3 {
    font-size: 1.1rem;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-item.active .faq-answer {
    padding: 0 20px 20px;
  }

  .contact-content h2 {
    font-size: 2rem;
  }

  .contact-content p {
    font-size: 1.1rem;
  }

  .help-links {
    flex-direction: column;
    align-items: center;
  }

  .help-links a {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }
}