/* Hero Section */
.strategy-hero-section {
  position: relative;
  width: 100%;
  min-height: 1000px;
  margin-top: -72px;
  padding-top: 72px;
  overflow-x: hidden;
}

.strategy-hero-background {
  position: relative;
  width: 100%;
  background-image: url("../../images/strategy/banner.svg");
  background-size: auto;
  background-position: top center;
  background-repeat: no-repeat;
  transition: background-image 0.3s ease;
  overflow: hidden;
}

[data-theme="dark"] .strategy-hero-background {
  background-image: url("../../images/strategy/banner-dark.svg");
}

.strategy-hero-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  padding-top: 20px;
}

.strategy-hero-container {
  width: 100%;
  max-width: 1180px;
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.strategy-hero-title h1 {
  font-weight: 700;
  font-style: Bold;
  font-size: 34px;
  line-height: 42px;
  color: var(--color-text-primary-light);
  margin: 0;
  text-align: center;
  transition: color 0.3s ease;
}

[data-theme="dark"] .strategy-hero-title h1 {
  color: var(--color-text-white);
}

/* Main Content */
.strategy-main-content {
  position: relative;
  z-index: 2;
  transition: background-color 0.3s ease;
  margin-top: -64px;
  margin: 0 16px;
}

.strategy-container {
  max-width: 1180px;
  margin: 0 auto 64px auto;
  padding: 56px 64px;
  background: var(--color-bg-primary-light);
  box-shadow: 0px 4px 24px 0px #02041614, 0px 2px 16px -8px #02041633;
  border-radius: 16px;
  transition: background-color 0.3s ease;
}

/* Strategy Back Link */
.strategy-back-link {
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  transition: color 0.3s ease;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}

.strategy-back-link span {
  color: var(--color-text-primary-light);
}

[data-theme="light"] .strategy-back-link span {
  color: var(--color-text-primary-light);
}

[data-theme="dark"] .strategy-back-link span {
  color: var(--color-text-primary-dark);
}

[data-theme="dark"] .strategy-back-link {
  color: var(--color-text-primary-dark);
}

[data-theme="dark"] .strategy-back-link img {
  filter: brightness(0) invert(1);
}

[data-theme="dark"] .strategy-container {
  background: var(--color-bg-primary-dark);
}

/* Introduction Section */
.strategy-intro {
  margin-bottom: 56px;
  padding-bottom: 56px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-primary-light);
}

[data-theme="dark"] .strategy-intro {
  border-bottom-color: #3a465a;
}

.strategy-main-title {
  font-weight: 700;
  font-size: 34px;
  color: var(--color-primary-deep);
  margin-bottom: 24px;
  transition: color 0.3s ease;
}

.strategy-intro-text {
  font-size: 18px;
  line-height: 24px;
  margin: 0;
}

[data-theme="dark"] .strategy-intro-text {
  color: var(--color-text-primary-dark);
}

/* Table of Contents */
.strategy-toc {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 50px;
  padding: 0;
  position: relative;
}

.toc-content {
  flex: 1;
  position: relative;
  z-index: 2;
}

.toc-title {
  font-weight: 700;
  font-size: 28px;
  color: var(--color-text-primary-light);
  margin-bottom: 20px;
  transition: color 0.3s ease;
}

[data-theme="dark"] .toc-title {
  color: var(--color-text-primary-dark);
}

.toc-list {
  list-style: none;
  counter-reset: toc-counter;
  padding: 0;
  margin: 0;
}

.toc-item {
  counter-increment: toc-counter;
  font-weight: 400;
  font-size: 18px;
  line-height: 28px;
  color: var(--color-primary);
  margin-bottom: 8px;
  padding-left: 0;
  position: relative;
  transition: color 0.3s ease;
}

[data-theme="dark"] .toc-item {
  color: var(--color-primary);
}

.toc-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.toc-link:hover {
  color: var(--color-primary);
}

[data-theme="dark"] .toc-link {
  color: var(--color-primary-dark);
}

.toc-item::before {
  content: counter(toc-counter) ".";
  position: static;
  display: inline;
  background: none;
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 400;
  margin-right: 8px;
}

.toc-graphic {
  position: absolute;
  top: 0;
  right: 0;
  width: 304px;
  height: 290px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
}

.toc-icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.toc-icon.light-theme {
  display: block;
  position: absolute;
  top: 90px;
}

.toc-icon.dark-theme {
  display: none;
  position: absolute;
  top: 90px;
}

[data-theme="dark"] .toc-icon.light-theme {
  display: none;
}

[data-theme="dark"] .toc-icon.dark-theme {
  display: block;
}

/* Strategy Sections */
.strategy-section {
  margin-bottom: 120px;
  padding: 0px;
  border-radius: 0px;
  transition: all 0.3s ease;
  /* Prevent fixed header from covering anchor targets */
  scroll-margin-top: 92px;
}

.strategy-section:last-child {
  margin-bottom: 0px;
}

.section-title {
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 20px;
  transition: color 0.3s ease;
}

[data-theme="dark"] .section-title {
  color: var(--color-text-primary-dark);
}

.section-question {
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

[data-theme="dark"] .section-question {
  color: var(--color-text-primary-dark);
}

.section-description {
  font-size: 18px;
  margin-bottom: 20px;
  font-weight: 400;
}

[data-theme="dark"] .section-description {
  color: var(--color-text-primary-dark);
}

.highlight-date {
  color: var(--color-info);
  font-weight: 400;
}

.highlight-text {
  color: var(--color-primary);
  font-weight: 500;
}

.highlight-document {
  color: var(--color-info);
  font-weight: 500;
}

/* Strategy Options */
.strategy-options {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.strategy-option {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  background: none;
  border: none;
  transition: all 0.3s ease;
}

.option-content {
  display: flex;
  align-items: flex-start;
}

.option-label {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-primary-light);
  min-width: 20px;
}

[data-theme="dark"] .option-label {
  color: var(--color-text-primary-dark);
}

.option-text {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-primary-light);
  transition: color 0.3s ease;
}

.option-link {
  font-weight: 500;
  font-size: 18px;
  line-height: 28px;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0;
  background: none;
  transition: all 0.3s ease;
  margin-left: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
}

[data-theme="dark"] .strategy-main-title {
  color: var(--color-primary-light);
}

.option-link::after {
  content: "";
  width: 20px;
  height: 20px;
  background-image: url("../../images/strategy/right.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.option-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* Strategy Buttons */
.strategy-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.strategy-btn {
  flex: 1;
  display: flex;
  border: 1px solid var(--color-border-primary-light);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
  min-height: 120px;
}

.strategy-btn-sidebar {
  width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.strategy-btn-sidebar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 桌面版圖片 */
.strategy-btn-sidebar-img.desktop {
  display: block;
}

.strategy-btn-sidebar-img.mobile {
  display: none;
}

.strategy-btn-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.strategy-btn-text {
  font-size: 16px;
  line-height: 1.4;
  color: var(--color-text-primary-light);
  margin: 0;
}

[data-theme="dark"] .strategy-btn-text {
  color: var(--color-text-primary-dark);
}

.strategy-btn-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0px;
  transition: color 0.3s ease;
}

.strategy-btn-link:hover {
  color: var(--color-primary-hover);
}

[data-theme="dark"] .strategy-btn-link {
  color: #0495c2;
}

.strategy-btn-link::after {
  content: "";
  width: 20px;
  height: 20px;
  background-image: url("../../images/strategy/right.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

[data-theme="dark"] .strategy-btn {
  border: 1px solid var(--color-border-primary-dark);
}

/* Knowledge Box */
.knowledge-box {
  padding: 16px 40px;
  background: var(--color-bg-tertiary-light);
  border-radius: 12px;
  margin-bottom: 24px;
  transition: background 0.3s ease;
}

[data-theme="dark"] .knowledge-box {
  background: var(--color-bg-secondary-dark);
}

.knowledge-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  margin-bottom: 16px;
}

.knowledge-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.knowledge-icon-img {
}

.knowledge-content {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.knowledge-text-content {
  flex: 1;
}

.knowledge-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-primary);
  margin: 0;
}

[data-theme="dark"] .knowledge-title {
  color: var(--color-primary-light);
}

.knowledge-subtitle {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

[data-theme="dark"] .knowledge-subtitle {
  color: var(--color-text-primary-dark);
}

.knowledge-text {
  font-weight: 400;
  font-size: 18px;
  line-height: 28px;
  margin: 0;
  transition: color 0.3s ease;
}

[data-theme="dark"] .knowledge-text {
  color: var(--color-text-primary-dark);
}

.knowledge-graphic {
  flex-shrink: 0;
  width: 240px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.knowledge-graphic-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Strategy Help */
.strategy-help {
  margin-bottom: 24px;
}

.help-title {
  font-size: 20px;
  font-weight: 500;
  color: #f5693d;
  margin-bottom: 4px;
  transition: color 0.3s ease;
}

[data-theme="dark"] .help-title {
  color: #f5693d;
}

.help-text {
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.help-text:last-child {
  margin-bottom: 0;
}

[data-theme="dark"] .help-text {
  color: var(--color-text-secondary-dark);
}

.strategy-help-link {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: color 0.3s ease;
}

.strategy-help-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

[data-theme="dark"] .strategy-help-link {
  color: var(--color-primary-dark);
}

.strategy-help-link::after {
  content: "";
  width: 20px;
  height: 20px;
  background-image: url("../../images/strategy/right.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
}

/* Independent Query Link */
.query-link {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  margin-top: 0px;
  transition: color 0.3s ease;
}

.query-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.query-link::after {
  content: "";
  width: 20px;
  height: 20px;
  background-image: url("../../images/strategy/right.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
}

/* Formula Section */
.formula-section {
  margin-bottom: 36px;
}

.formula-image {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

/* 預設：只顯示 light theme 桌面版 */
.formula-image {
  display: none;
}

.formula-image.light-theme.desktop {
  display: block;
}

/* Dark theme 時切換 */
[data-theme="dark"] .formula-image.light-theme {
  display: none;
}

[data-theme="dark"] .formula-image.dark-theme.desktop {
  display: block;
}

.formula-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-primary-light);
  margin-bottom: 24px;
  text-align: center;
  transition: color 0.3s ease;
}

[data-theme="dark"] .formula-title {
  color: var(--color-text-primary-dark);
}

.formula-diagrams {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.formula-diagram {
  background-color: var(--color-bg-primary-light);
  border-radius: 12px;
  padding: 24px;
  transition: background-color 0.3s ease;
}

[data-theme="dark"] .formula-diagram {
  background-color: var(--color-bg-secondary-dark);
}

.diagram-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary-light);
  margin-bottom: 16px;
  text-align: center;
  transition: color 0.3s ease;
}

[data-theme="dark"] .diagram-title {
  color: var(--color-text-primary-dark);
}

.formula-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 20px;
  padding: 12px;
  background-color: rgba(0, 147, 193, 0.1);
  border-radius: 8px;
}

.timeline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 80px;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

.timeline-dot.red {
  background-color: var(--color-error);
}

.timeline-dot.blue {
  background-color: var(--color-primary);
}

.timeline-dot.green {
  background-color: var(--color-success);
}

.timeline-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary-light);
  text-align: center;
  transition: color 0.3s ease;
}

[data-theme="dark"] .timeline-label {
  color: var(--color-text-secondary-dark);
}

.timeline-arrow {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  flex: 0 0 auto;
  min-width: 60px;
}

/* Conditions Grid */
.conditions-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
  padding: 40px 44px;
  background: var(--color-bg-tertiary-light);
  border-radius: 12px;
}

[data-theme="dark"] .conditions-grid {
  background: var(--color-bg-secondary-dark);
}

.condition-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 300px;
  height: 246px;
  gap: 12px;
  padding: 16px;
  background-color: var(--color-bg-primary-light);
  border-radius: 12px;
  box-shadow: 0px 4px 24px 0px #02041614, 0px 2px 16px -8px #02041633;
  transition: all 0.3s ease;
}

[data-theme="dark"] .condition-card {
  background-color: var(--color-bg-primary-dark);
}

.condition-icon {
  flex-shrink: 0;
  width: 268px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border-radius: 0;
}

.condition-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.condition-content {
  flex: 1;
  width: 100%;
}

.condition-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  transition: color 0.3s ease;
  line-height: 30px;
  text-align: center;
}

[data-theme="dark"] .condition-title {
  color: var(--color-text-primary-dark);
}

.highlight-keyword {
  color: var(--color-info);
  font-weight: 700;
  font-size: 24px;
  text-align: center;
}

[data-theme="dark"] .highlight-keyword {
  color: var(--color-success);
}

.condition-note {
  font-weight: 400;
  font-size: 18px;
  text-align: center;
  color: var(--color-text-secondary-light);
  margin: 0;
  transition: color 0.3s ease;
}

[data-theme="dark"] .condition-note {
  color: var(--color-text-secondary-dark);
}

.conditions-conclusion {
  width: 100%;
  text-align: center;
  margin-top: 20px;
}

/* Strategy Conclusion */
.strategy-conclusion {
  text-align: center;
  padding: 32px 40px;
  background: var(--color-bg-secondary-light);
  border-radius: 12px;
  margin-top: 20px;
  transition: background 0.3s ease;
}

[data-theme="dark"] .strategy-conclusion {
  background: linear-gradient(
    135deg,
    var(--color-bg-primary-dark) 0%,
    var(--color-bg-tertiary-dark) 100%
  );
}

.conclusion-text {
  font-weight: 400;
  font-size: 18px;
  text-align: center;
  margin: 0;
  transition: color 0.3s ease;
}

[data-theme="dark"] .conclusion-text {
  color: var(--color-text-primary-dark);
}

/* Hero Decoration */
.hero-decoration {
  position: absolute;
  top: 50rem;
  right: -10rem;
  width: 100%;
  height: 1000px;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.green-ball {
  position: absolute;
  right: 0;
  top: 0;
}

.green-ball.light-theme {
  display: block;
}

.green-ball.dark-theme {
  display: none;
}

[data-theme="dark"] .green-ball.light-theme {
  display: none;
}

[data-theme="dark"] .green-ball.dark-theme {
  display: block;
}

.strategy-share-section {
  text-align: center;
  margin-top: 32px;
}

.strategy-social-share {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.strategy-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 212px;
  height: 48px;
  padding: 0 16px; /* spacing/medium_01 = 16px */
  gap: 4px;
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  background: var(--color-bg-primary-light);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 1;
}

.strategy-share-btn:hover {
  background-color: var(--color-bg-tertiary-light);
  text-decoration: none;
  color: var(--color-primary);
}

.strategy-share-btn .share-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.strategy-share-btn .share-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-primary);
}

/* Dark theme */
[data-theme="dark"] .strategy-share-btn {
  background-color: var(--color-bg-primary-dark);
  border-color: #0495c2;
  color: var(--color-text-primary-dark);
}

[data-theme="dark"] .strategy-share-btn:hover {
  background-color: var(--color-bg-secondary-dark);
  color: var(--color-text-primary-dark);
}

[data-theme="dark"] .strategy-share-btn .share-text {
  color: var(--color-primary);
}

/* ===== 響應式樣式 - 按正確順序排列 ===== */

/* 1024px 以下 - 平板版 */
@media (max-width: 1024px) {
  .hero-decoration {
    display: none;
  }

  .strategy-hero-section {
    min-height: 600px;
  }

  .strategy-hero-background {
    background-image: url("../../images/strategy/banner-mobile.svg");
    background-size: contain;
  }

  [data-theme="dark"] .strategy-hero-background {
    background-image: url("../../images/strategy/banner-dark-mobile.svg");
  }

  .strategy-hero-title h1 {
    font-size: 32px;
  }

  .strategy-container {
    padding: 40px 20px;
  }

  .strategy-intro {
    margin-bottom: 32px;
    padding-bottom: 32px;
  }

  .strategy-main-title {
    font-size: 24px;
    margin-bottom: 14px;
    line-height: 30px;
  }

  .strategy-intro-text {
    font-size: 16px;
  }

  /* Header ~64px on tablets */
  .strategy-section {
    scroll-margin-top: 64px;
  }

  .toc-graphic {
    width: 240px;
    height: 230px;
  }

  .strategy-toc {
    flex-direction: row;
    gap: 20px;
    align-items: flex-start;
  }

  .toc-content {
    flex: 1;
    min-width: 0;
  }

  .toc-title {
    font-size: 24px;
  }

  .toc-graphic {
    width: 120px;
    height: 120px;
    top: auto;
    bottom: 0;
    z-index: 0;
  }

  .section-title {
    font-size: 24px;
    margin-bottom: 16px;
  }

  .section-question {
    font-size: 16px;
  }

  .section-description {
    font-size: 16px;
    margin-bottom: 16px;
  }

  .option-text {
    font-size: 16px;
  }

  .option-link {
    font-size: 16px;
  }

  .strategy-buttons {
    flex-direction: column;
    gap: 16px;
  }

  .strategy-btn {
    flex-direction: column;
    min-height: auto;
  }

  .strategy-btn-sidebar {
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 12px 12px 0 0;
  }

  .strategy-btn-sidebar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* 手機版圖片顯示 */
  .strategy-btn-sidebar-img.desktop {
    display: none;
  }

  .strategy-btn-sidebar-img.mobile {
    display: block;
  }

  .strategy-btn-content {
    padding: 20px;
    background: var(--color-bg-primary-light);
    border-radius: 0 0 12px 12px;
    border: 1px solid var(--color-border-primary-light);
    border-top: none;
  }

  [data-theme="dark"] .strategy-btn-content {
    background: var(--color-bg-primary-dark);
    border: 0.5px solid var(--color-border-primary-dark);
  }

  .strategy-btn-text {
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text-primary-light);
    margin: 0;
  }

  .strategy-btn-link {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0 4px;
  }

  .strategy-option {
    flex-direction: column;
    align-items: flex-start;
    gap: 0px;
  }

  .option-content {
    width: 100%;
  }

  .option-link {
    align-self: flex-start;
  }

  .timeline {
    flex-direction: column;
    gap: 16px;
  }

  .timeline-arrow {
    transform: rotate(90deg);
    min-width: auto;
  }

  .condition-card {
    flex-direction: column;
    text-align: center;
  }

  .conclusion-text {
    font-size: 18px;
  }

  .knowledge-header {
    margin-top: 0px;
    margin-bottom: 12px;
  }

  .knowledge-content {
    flex-direction: row;
    gap: 16px;
    align-items: flex-start;
  }

  .knowledge-graphic {
    display: none;
  }

  .knowledge-text-content {
    flex: 1;
  }

  .knowledge-title {
    font-size: 16px;
  }

  .knowledge-subtitle {
    font-size: 18px;
  }

  .knowledge-text {
    font-size: 16px;
    line-height: 24px;
  }
}

/* 768px 以下 - 小平板/大手機 */
@media (max-width: 768px) {
  .strategy-section {
    padding: 0px;
    margin-bottom: 64px;
    position: relative;
    /* Header ~60px on small tablets */
    scroll-margin-top: 60px;
  }

  .knowledge-box {
    padding: 16px;
    margin-bottom: 32px;
  }

  .help-title {
    font-size: 16px;
  }

  .help-text {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .query-link {
    font-size: 16px;
  }

  .strategy-help-link {
    font-size: 16px;
  }

  /* 手機版：只顯示 light theme mobile 版 */
  .formula-image.light-theme.desktop {
    display: none;
  }

  .formula-image.light-theme.mobile {
    display: block;
  }

  /* 手機版 Dark theme 時切換 */
  [data-theme="dark"] .formula-image.light-theme.mobile {
    display: none;
  }

  [data-theme="dark"] .formula-image.dark-theme.desktop {
    display: none;
  }

  [data-theme="dark"] .formula-image.dark-theme.mobile {
    display: block;
  }

  /* 第5區塊手機版排版 */
  .conditions-grid {
    flex-direction: column;
    gap: 16px;
    align-items: center;
    padding: 16px;
  }

  .condition-card {
    width: 100%;
    max-width: 100%;
    flex-direction: row;
    text-align: left;
    padding: 16px;
    align-items: center;
    height: 122px;
    gap: 8px;
  }

  .condition-icon {
    width: 134px;
    height: 70px;
    flex-shrink: 0;
  }

  .condition-content {
    flex: 1;
    width: auto;
  }

  .condition-note {
    font-size: 14px;
    text-align: center;
  }

  .conclusion-text {
    font-size: 16px;
    text-align: center;
    margin: 20px 0;
  }

  .conditions-conclusion {
    margin-top: 0px;
  }

  .strategy-hero-container {
    height: 140px;
  }

  .highlight-keyword {
    font-size: 18px;
  }

  .condition-title {
    font-size: 18px;
    margin-bottom: 0px;
  }
}

/* 600px 以下 - 手機版 */
@media (max-width: 600px) {
  .strategy-back-link img {
    width: 16px;
    height: 16px;
  }

  .strategy-hero-content {
    padding-top: 12px;
  }

  .strategy-back-link span {
    font-size: 12px;
    line-height: 8px;
  }

  .strategy-hero-title h1 {
    font-size: 24px;
  }

  .strategy-hero-container {
    height: 120px;
  }

  /* Header ~56px on phones */
  .strategy-section {
    scroll-margin-top: 56px;
  }

  .strategy-container {
    padding: 32px 16px;
  }

  .knowledge-icon-img {
    width: 24px;
    height: 24px;
  }

  .knowledge-header {
    gap: 8px;
  }

  .condition-card {
    padding: 16px 16px 16px 8px;
  }

  .strategy-social-share {
    gap: 16px;
    flex-direction: column;
    align-items: center;
  }

  .strategy-share-btn {
    width: 100%;
    max-width: 212px;
    height: 48px;
    padding: 0 16px;
    font-size: 14px;
    gap: 4px;
  }
}

/* 375px 以下 - 小手機版 */
@media (max-width: 375px) {
  .highlight-keyword {
    font-size: 18px;
  }

  .condition-note {
    font-size: 14px;
  }
}