.page-login {
  font-family: 'Arial', sans-serif;
  color: var(--text-main); /* Light text for dark background */
  background-color: var(--background); /* Dark background */
}

.page-login__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  box-sizing: border-box;
  overflow: hidden;
  text-align: center;
}

.page-login__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  margin-bottom: 20px;
  border-radius: 10px;
}

.page-login__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.page-login__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 20px;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
}

.page-login__description {
  font-size: 1.125rem; /* 18px */
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
}

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  min-width: 180px;
  white-space: normal;
  word-wrap: break-word;
}

.page-login__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-login__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-login__btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border);
}

.page-login__btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.page-login__container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-login__form-section {
  padding: 80px 0;
  background-color: var(--background);
  text-align: center;
}

.page-login__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-login__section-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__login-form {
  background-color: var(--card-b-g);
  padding: 40px;
  border-radius: 12px;
  max-width: 500px;
  margin: 0 auto 30px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
}

.page-login__form-group {
  margin-bottom: 25px;
  text-align: left;
}

.page-login__form-label {
  display: block;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.page-login__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: var(--deep-green);
  color: var(--text-main);
  font-size: 1rem;
  box-sizing: border-box;
}

.page-login__form-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.page-login__form-input:focus {
  outline: none;
  border-color: var(--glow);
  box-shadow: 0 0 0 3px rgba(87, 227, 141, 0.3);
}

.page-login__form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.page-login__remember-me {
  display: flex;
  align-items: center;
}

.page-login__checkbox {
  margin-right: 8px;
  width: 18px;
  height: 18px;
  accent-color: var(--main-color); /* Uses primary color for checkbox */
}

.page-login__checkbox-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.page-login__forgot-password {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.page-login__forgot-password:hover {
  color: var(--glow);
  text-decoration: underline;
}

.page-login__form-submit-btn {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
}

.page-login__register-text {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-login__register-link {
  color: var(--glow);
  text-decoration: none;
  font-weight: 600;
}

.page-login__register-link:hover {
  text-decoration: underline;
}

.page-login__benefits-section {
  padding: 80px 0;
  background-color: var(--background);
  text-align: center;
}

.page-login__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-login__benefit-card {
  background-color: var(--card-b-g);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-login__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-login__card-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-login__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-login__card-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.page-login__app-download-section {
  padding: 80px 0;
  background-color: var(--deep-green);
  color: var(--text-main);
  text-align: center;
}

.page-login__app-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 50px;
  text-align: left;
}

.page-login__app-text-content {
  flex: 1;
}

.page-login__app-image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-login__app-image {
  max-width: 400px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-login__app-features {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-login__app-features li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.page-login__app-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--glow);
  font-weight: bold;
}

.page-login__app-download-btn {
  margin-top: 20px;
}

.page-login__faq-section {
  padding: 80px 0;
  background-color: var(--background);
  text-align: center;
}

.page-login__faq-list {
  margin-top: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__faq-item {
  background-color: var(--card-b-g);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-login__faq-question::-webkit-details-marker {
  display: none;
}

.page-login__faq-item[open] > .page-login__faq-question {
  background-color: var(--deep-green);
}

.page-login__faq-qtext {
  flex-grow: 1;
  text-align: left;
}

.page-login__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--glow);
  margin-left: 15px;
}

.page-login__faq-answer {
  padding: 0 25px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: left;
}

.page-login__faq-answer p {
  margin: 0;
}

.page-login__faq-answer a {
  color: var(--glow);
  text-decoration: none;
}

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

.page-login__call-to-action {
  padding: 80px 0;
  background-color: var(--deep-green);
  text-align: center;
}

/* 智能颜色对比度保障 */
.page-login__dark-section {
  background-color: var(--background);
  color: var(--text-main);
}

/* 确保正文和链接文字在深色背景下清晰 */
.page-login p,
.page-login li {
  color: var(--text-secondary);
}

.page-login a {
  color: var(--glow);
}

.page-login__card {
  background-color: var(--card-b-g);
  color: var(--text-main);
  border: 1px solid var(--border);
}

/* 移动端响应式 */
@media (max-width: 1024px) {
  .page-login__app-content {
    flex-direction: column;
    text-align: center;
  }
  .page-login__app-image-wrapper {
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .page-login__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }
  .page-login__main-title {
    font-size: 1.8rem;
  }
  .page-login__description {
    font-size: 1rem;
  }
  .page-login__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .page-login__btn-primary,
  .page-login__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-login__form-section,
  .page-login__benefits-section,
  .page-login__app-download-section,
  .page-login__faq-section,
  .page-login__call-to-action {
    padding: 50px 0;
  }
  .page-login__section-title {
    font-size: 1.6rem;
  }
  .page-login__section-description {
    font-size: 0.9rem;
  }
  .page-login__login-form {
    padding: 30px 20px;
  }
  .page-login__form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  .page-login__form-submit-btn {
    font-size: 1rem;
  }
  .page-login__benefits-grid {
    grid-template-columns: 1fr;
  }
  .page-login__app-content {
    gap: 30px;
  }
  .page-login__app-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-login__app-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-login__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-login__faq-answer {
    font-size: 0.9rem;
    padding: 0 20px 15px;
  }
  /* Images in content areas */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-login__card-image {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .page-login__section,
  .page-login__card,
  .page-login__container,
  .page-login__cta-buttons,
  .page-login__button-group,
  .page-login__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-login__video-section {
    padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
  }
  .page-login video,
  .page-login__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-login__video-section,
  .page-login__video-container,
  .page-login__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-login__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}