.page-login {
  background-color: var(--bg); /* #08160F */
  color: var(--text-main); /* #F2FFF6 */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-login__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-login__section-title {
  font-size: 2.5em;
  color: var(--gold); /* #F2C14E */
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-login__section-description {
  font-size: 1.1em;
  color: var(--text-secondary); /* #A7D9B8 */
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 0 60px 0; /* body handles padding-top from header */
  overflow: hidden;
  background-color: var(--deep-green); /* Fallback */
}

.page-login__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.page-login__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.3;
}

.page-login__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 60px 20px;
  color: var(--text-main);
}

.page-login__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em);
  color: var(--gold); /* #F2C14E */
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.1;
}

.page-login__hero-description {
  font-size: 1.2em;
  color: var(--text-secondary); /* #A7D9B8 */
  margin-bottom: 40px;
}

.page-login__hero-cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
}

.page-login__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: var(--text-main); /* #F2FFF6 */
  border: none;
}

.page-login__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-login__btn-secondary {
  background: transparent;
  color: var(--gold); /* #F2C14E */
  border: 2px solid var(--gold); /* #F2C14E */
}

.page-login__btn-secondary:hover {
  background: var(--gold); /* #F2C14E */
  color: var(--bg); /* #08160F */
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-login__guide-section,
.page-login__benefits-section,
.page-login__security-section,
.page-login__troubleshooting-section,
.page-login__mobile-access-section,
.page-login__faq-section,
.page-login__cta-final-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--divider); /* #1E3A2A */
}

.page-login__guide-section:last-of-type,
.page-login__cta-final-section {
  border-bottom: none;
}

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

.page-login__step-item {
  background-color: var(--card-bg); /* #11271B */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--border); /* #2E7A4E */
}

.page-login__step-title {
  font-size: 1.5em;
  color: var(--glow); /* #57E38D */
  margin-bottom: 15px;
}

.page-login__step-text {
  color: var(--text-secondary); /* #A7D9B8 */
}

.page-login__step-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  border: 1px solid var(--border);
}

.page-login__cta-bottom {
  text-align: center;
  margin-top: 60px;
}

.page-login__cta-text {
  font-size: 1.2em;
  color: var(--text-main); /* #F2FFF6 */
  margin-bottom: 20px;
}

.page-login__benefits-list {
  list-style: none;
  padding: 0;
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-login__benefit-item {
  background-color: var(--card-bg); /* #11271B */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border); /* #2E7A4E */
}

.page-login__benefit-title {
  font-size: 1.4em;
  color: var(--gold); /* #F2C14E */
  margin-bottom: 10px;
}

.page-login__benefit-text {
  color: var(--text-secondary); /* #A7D9B8 */
}

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

.page-login__security-card {
  background-color: var(--card-bg); /* #11271B */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--border); /* #2E7A4E */
}

.page-login__security-icon {
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-login__security-card-title {
  font-size: 1.4em;
  color: var(--glow); /* #57E38D */
  margin-bottom: 10px;
}

.page-login__security-card-text {
  color: var(--text-secondary); /* #A7D9B8 */
}

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

.page-login__troubleshooting-item {
  background-color: var(--card-bg); /* #11271B */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border); /* #2E7A4E */
}

.page-login__troubleshooting-title {
  font-size: 1.4em;
  color: var(--gold); /* #F2C14E */
  margin-bottom: 10px;
}

.page-login__troubleshooting-text {
  color: var(--text-secondary); /* #A7D9B8 */
}

.page-login__mobile-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 50px;
  flex-wrap: wrap;
  justify-content: center;
}

.page-login__mobile-image {
  max-width: 40%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border); /* #2E7A4E */
}

.page-login__mobile-text {
  flex: 1;
  min-width: 300px;
}

.page-login__mobile-subtitle {
  font-size: 1.8em;
  color: var(--glow); /* #57E38D */
  margin-bottom: 15px;
}

.page-login__mobile-description {
  color: var(--text-secondary); /* #A7D9B8 */
  margin-bottom: 30px;
}

.page-login__faq-list {
  margin-top: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__faq-item {
  background-color: var(--card-bg); /* #11271B */
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border); /* #2E7A4E */
  overflow: hidden;
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.2em;
  color: var(--text-main); /* #F2FFF6 */
  background-color: var(--deep-green); /* #0A4B2C */
  border-bottom: 1px solid var(--divider); /* #1E3A2A */
  list-style: none;
}

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

.page-login__faq-item[open] .page-login__faq-question {
  border-bottom: 1px solid var(--border); /* #2E7A4E */
}

.page-login__faq-qtext {
  font-weight: bold;
  flex-grow: 1;
}

.page-login__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--gold); /* #F2C14E */
  margin-left: 15px;
}

.page-login__faq-answer {
  padding: 20px;
  color: var(--text-secondary); /* #A7D9B8 */
  font-size: 1.1em;
}

.page-login__faq-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin-top: 50px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border);
}

.page-login__cta-final-section .page-login__cta-buttons {
  margin-top: 40px;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-login__hero-content {
    padding: 40px 20px;
  }
  .page-login__main-title {
    font-size: clamp(2em, 4.5vw, 3em);
  }
  .page-login__hero-description {
    font-size: 1.1em;
  }
  .page-login__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-login__hero-content {
    padding: 30px 15px;
  }
  .page-login__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }
  .page-login__hero-description {
    font-size: 1em;
  }
  .page-login__section-title {
    font-size: 1.8em;
  }
  .page-login__section-description {
    font-size: 1em;
  }
  .page-login__guide-section,
  .page-login__benefits-section,
  .page-login__security-section,
  .page-login__troubleshooting-section,
  .page-login__mobile-access-section,
  .page-login__faq-section,
  .page-login__cta-final-section {
    padding: 40px 0;
  }
  .page-login__container {
    padding: 0 15px;
  }
  .page-login__step-by-step,
  .page-login__benefits-list,
  .page-login__security-grid,
  .page-login__troubleshooting-grid {
    grid-template-columns: 1fr;
  }
  .page-login__step-item,
  .page-login__benefit-item,
  .page-login__security-card,
  .page-login__troubleshooting-item {
    padding: 20px;
  }
  .page-login__mobile-content {
    flex-direction: column;
    gap: 30px;
  }
  .page-login__mobile-image {
    max-width: 80%;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__mobile-text {
    min-width: unset;
    text-align: center;
  }
  .page-login__btn-primary,
  .page-login__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-login__hero-cta-buttons,
  .page-login__cta-final-section .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__section,
  .page-login__card,
  .page-login__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__hero-section {
    padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
  }
}

@media (max-width: 480px) {
  .page-login__main-title {
    font-size: clamp(1.5em, 8vw, 2em);
  }
  .page-login__section-title {
    font-size: 1.5em;
  }
  .page-login__hero-cta-buttons,
  .page-login__cta-final-section .page-login__cta-buttons {
    flex-direction: column;
  }
  .page-login__step-title,
  .page-login__benefit-title,
  .page-login__security-card-title,
  .page-login__troubleshooting-title,
  .page-login__mobile-subtitle {
    font-size: 1.2em;
  }
  .page-login__faq-question {
    font-size: 1em;
  }
  .page-login__faq-answer {
    font-size: 0.95em;
  }
}