/* =============================================
   PAGE-HOME 专属样式
   所有选择器限定在 .page-home 作用域内
   ============================================= */
.page-home {
  --home-cover-min-height: 85vh;
  --home-card-radius: 6px;
  --home-transition: 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --home-gap: 2rem;
  --home-section-spacing: 4rem;
  --home-grid-min: 280px;
  display: block;
}

/* ---- 左右分屏容器 ---- */
.page-home__split {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* ---- 侧边导航（桌面） ---- */
.page-home .side-nav {
  flex: 0 0 var(--nav-width, 220px);
  max-width: var(--nav-width, 220px);
  background-color: var(--color-black, #1A1A1A);
  border-right: 1px solid rgba(212, 175, 55, 0.25);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: var(--z-nav, 200);
}

.page-home .side-nav__inner {
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  height: 100%;
  gap: 1.5rem;
}

.page-home .side-nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-darkgold, #B8960C);
}

.page-home .side-nav__logo .brand-text {
  color: var(--color-white, #FFFFFF);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.page-home .side-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.page-home .side-nav__list a {
  display: block;
  padding: 0.6rem 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 4px;
  transition: color var(--home-transition), background-color var(--home-transition);
  border-left: 2px solid transparent;
}

.page-home .side-nav__list a:hover,
.page-home .side-nav__list a:focus-visible {
  color: var(--color-white, #FFFFFF);
  background-color: rgba(200, 16, 46, 0.15);
  border-left-color: var(--color-red, #C8102E);
}

.page-home .side-nav__list a[aria-current="page"] {
  color: var(--color-white, #FFFFFF);
  background-color: rgba(200, 16, 46, 0.2);
  border-left-color: var(--color-red, #C8102E);
  font-weight: 600;
}

.page-home .side-nav__search {
  margin-top: auto;
}

.page-home .side-nav__search .search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white, #FFFFFF);
  font-size: 0.85rem;
  transition: border-color var(--home-transition), background-color var(--home-transition);
}

.page-home .side-nav__search .search-input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.page-home .side-nav__search .search-input:focus {
  outline: none;
  border-color: var(--color-gold, #D4AF37);
  background-color: rgba(255, 255, 255, 0.12);
}

.page-home .side-nav__cta {
  text-align: center;
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
}

.page-home .side-nav__tag {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  transform: rotate(-90deg) translateX(50%);
  transform-origin: right center;
  opacity: 0.5;
}

/* 导航切换按钮（移动端隐藏） */
.page-home .nav-toggle {
  display: none;
}

/* ---- 右侧主内容区 ---- */
.page-home__content {
  flex: 1;
  min-width: 0;
  background-color: var(--color-white, #FFFFFF);
  padding: 0;
}

/* ---- 通用章节样式 ---- */
.page-home__section {
  padding: var(--home-section-spacing) 2.5rem;
  position: relative;
}

.section-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-bottom: 0.5rem;
}

.section-header .section-number {
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-gold, #D4AF37);
  line-height: 1;
  letter-spacing: -0.02em;
}

.section-header .section-title {
  font-size: 1.8rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-black, #1A1A1A);
  margin: 0;
  line-height: 1.2;
}

.section-header__tag {
  margin-left: auto;
  align-self: center;
}

/* ===== 首屏封面 ===== */
.page-home__cover {
  position: relative;
  min-height: var(--home-cover-min-height);
  background-color: var(--color-black, #1A1A1A);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 3rem 2.5rem;
}

.cover-section__inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  color: var(--color-white, #FFFFFF);
}

.cover-section__context {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cover-section__context .tag-label {
  background-color: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--color-gold, #D4AF37);
  color: var(--color-gold, #D4AF37);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  transform: rotate(0deg);
}

.cover-section__title {
  font-size: 4rem;
  font-weight: 800;
  font-style: italic;
  line-height: 1.05;
  margin: 0 0 0.5rem;
  color: var(--color-white, #FFFFFF);
  letter-spacing: -0.02em;
  text-shadow: 2px 2px 0 rgba(200, 16, 46, 0.4);
}

.cover-section__title-accent {
  color: var(--color-red, #C8102E);
  display: inline-block;
  margin: 0 0.1em;
}

.cover-section__line {
  margin: 1rem 0 1.25rem;
  width: 80px;
  height: 3px;
  background-color: var(--color-gold, #D4AF37);
}

.cover-section__lead {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 2rem;
  max-width: 520px;
}

.cover-section__index {
  margin-top: 1.5rem;
}

.cover-index__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cover-index__list li {
  display: flex;
  align-items: center;
}

.cover-index__list a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--home-transition), border-color var(--home-transition);
}

.cover-index__list a:hover,
.cover-index__list a:focus-visible {
  color: var(--color-gold, #D4AF37);
  border-bottom-color: var(--color-gold, #D4AF37);
}

.cover-index__num {
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-gold, #D4AF37);
  min-width: 2ch;
}

/* 首屏背景图 */
.cover-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cover-section__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.25;
  filter: saturate(1.1) contrast(1.2);
}

.cover-section__inner::after {
  content: '';
  position: absolute;
  inset: -2rem -2rem -2rem auto;
  width: 45%;
  height: 120%;
  background: linear-gradient(135deg, transparent 30%, rgba(200, 16, 46, 0.15) 100%);
  pointer-events: none;
  z-index: -1;
}

/* ===== 01 射门统计看板 ===== */
.page-home__stats {
  background-color: var(--color-darkgray, #2E2E2E);
  color: var(--color-white, #FFFFFF);
  position: relative;
  overflow: hidden;
}

.page-home__stats .section-title {
  color: var(--color-white, #FFFFFF);
}

.stats-dashboard__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
  position: relative;
  z-index: 2;
}

.stats-dashboard__filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stats-filter__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
}

.stats-filter__input {
  width: 200px;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white, #FFFFFF);
  font-size: 0.9rem;
  transition: border-color var(--home-transition), background-color var(--home-transition);
}

.stats-filter__input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.stats-filter__input:focus {
  outline: none;
  border-color: var(--color-gold, #D4AF37);
  background-color: rgba(255, 255, 255, 0.14);
}

.stats-dashboard__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.stats-meta__item {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.stats-dashboard__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--home-grid-min), 1fr));
  gap: 1.25rem;
  position: relative;
  z-index: 2;
}

.stats-card {
  background-color: rgba(26, 26, 26, 0.6);
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--home-card-radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--home-transition), box-shadow var(--home-transition);
}

.stats-card:hover {
  border-color: var(--color-brightred, #E63946);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.15);
}

.stats-card--wide {
  grid-column: 1 / -1;
}

.stats-card__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stats-card__value {
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.1;
}

.stats-card__value .data-highlight {
  font-size: inherit;
  color: var(--color-gold, #D4AF37);
}

.stats-card__footer {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.25rem 0;
}

.stats-card__tags .tag-label {
  background-color: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.25);
  color: var(--color-gold, #D4AF37);
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  transform: rotate(0deg);
}

/* 看板背景 */
.stats-dashboard__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.08;
}

.stats-dashboard__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* ===== 02 版本亮点 ===== */
.page-home__version {
  background-color: var(--color-white, #FFFFFF);
}

.version-highlights__layout {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  margin: 2rem 0 1.5rem;
}

.version-highlights__mockup {
  flex: 0 0 200px;
  position: relative;
  display: flex;
  justify-content: center;
}

.version-mockup__img {
  width: 100%;
  height: auto;
  max-width: 200px;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(26, 26, 26, 0.15);
  display: block;
}

.version-mockup__badge {
  position: absolute;
  top: 1rem;
  right: -0.5rem;
  background-color: var(--color-red, #C8102E);
  color: var(--color-white, #FFFFFF);
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
  transform: rotate(4deg);
}

.version-highlights__list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.version-highlight__item {
  background-color: var(--color-lightgray, #F5F5F5);
  border: 2px solid var(--color-black, #1A1A1A);
  border-radius: var(--home-card-radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color var(--home-transition), box-shadow var(--home-transition);
}

.version-highlight__item:hover {
  border-color: var(--color-brightred, #E63946);
  box-shadow: 0 2px 12px rgba(230, 57, 70, 0.1);
}

.version-highlight__icon {
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}

.version-highlight__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-black, #1A1A1A);
  margin: 0;
}

.version-highlight__desc {
  font-size: 0.9rem;
  color: var(--color-darkgray, #2E2E2E);
  line-height: 1.5;
  margin: 0;
}

.version-highlights__footnote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.version-highlights__footnote .tag-label {
  background-color: transparent;
  border: 1px solid var(--color-darkgold, #B8960C);
  color: var(--color-darkgold, #B8960C);
  font-size: 0.8rem;
  transform: rotate(0deg);
}

/* ===== 03 视频集锦 ===== */
.page-home__video {
  background-color: var(--color-black, #1A1A1A);
  position: relative;
}

.page-home__video .section-title {
  color: var(--color-white, #FFFFFF);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0 1.5rem;
}

.video-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--home-card-radius);
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: border-color var(--home-transition), box-shadow var(--home-transition);
}

.video-card:hover {
  border-color: var(--color-brightred, #E63946);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.12);
}

.video-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.2);
}

.video-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.video-card:hover .video-card__thumb img {
  transform: scale(1.04);
}

.video-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.2);
  transition: background-color var(--home-transition), transform var(--home-transition);
  cursor: pointer;
}

.video-card__play::after {
  content: '';
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(200, 16, 46, 0.85);
  border: 2px solid var(--color-white, #FFFFFF);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--home-transition), box-shadow var(--home-transition);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.video-card__play::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-left: 12px solid var(--color-white, #FFFFFF);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  z-index: 1;
  margin-left: 2px;
}

.video-card:hover .video-card__play::after {
  transform: scale(1.15);
  box-shadow: 0 4px 24px rgba(200, 16, 46, 0.4);
  background-color: var(--color-brightred, #E63946);
}

.video-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-white, #FFFFFF);
  padding: 0.75rem 1rem 0.25rem;
  margin: 0;
}

.video-card__meta {
  font-size: 0.8rem;
  font-family: var(--font-mono, 'SF Mono', monospace);
  color: rgba(255, 255, 255, 0.5);
  padding: 0 1rem 0.75rem;
}

.video-features__cta {
  text-align: center;
  margin-top: 1rem;
}

.video-features__cta .btn-primary {
  background-color: var(--color-red, #C8102E);
  color: var(--color-white, #FFFFFF);
}

/* ===== 04 最新战报 ===== */
.page-home__reports {
  background-color: var(--color-white, #FFFFFF);
}

.reports-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0 1.5rem;
}

.report-item {
  display: flex;
  gap: 1.5rem;
  background-color: var(--color-lightgray, #F5F5F5);
  border: 2px solid var(--color-black, #1A1A1A);
  border-radius: var(--home-card-radius);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--home-transition), box-shadow var(--home-transition);
}

.report-item:hover {
  border-color: var(--color-brightred, #E63946);
  box-shadow: 0 2px 16px rgba(230, 57, 70, 0.08);
}

.report-item__img {
  flex: 0 0 200px;
  overflow: hidden;
  min-height: 100%;
}

.report-item__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.report-item:hover .report-item__img img {
  transform: scale(1.04);
}

.report-item__body {
  flex: 1;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  justify-content: center;
}

.report-item__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.report-item__meta .tag-label {
  background-color: var(--color-red, #C8102E);
  border: none;
  color: var(--color-white, #FFFFFF);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  transform: rotate(0deg);
  font-weight: 600;
}

.report-item__date {
  font-size: 0.8rem;
  color: var(--color-darkgray, #2E2E2E);
  font-weight: 500;
}

.report-item__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.report-item__title a {
  color: var(--color-black, #1A1A1A);
  text-decoration: none;
  transition: color var(--home-transition);
}

.report-item__title a:hover {
  color: var(--color-red, #C8102E);
}

.report-item__summary {
  font-size: 0.9rem;
  color: var(--color-darkgray, #2E2E2E);
  line-height: 1.5;
  margin: 0;
  max-width: 480px;
}

.reports__cta {
  text-align: center;
  margin-top: 1rem;
}

/* ===== 信任声明 ===== */
.page-home__trust {
  background-color: var(--color-black, #1A1A1A);
  padding: 2rem 2.5rem;
  text-align: center;
}

.page-home__trust .trust-statement {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin: 1rem 0;
  letter-spacing: 0.02em;
}

.page-home__trust .gold-line {
  height: 1px;
  background-color: rgba(212, 175, 55, 0.2);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

/* =============================
   移动端优先 → 桌面增强
   ============================= */

/* 默认（窄屏） */
@media (max-width: 899px) {
  .page-home__split {
    flex-direction: column;
  }

  .page-home .side-nav {
    flex: 0 0 auto;
    max-width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding: 0;
  }

  .page-home .side-nav__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 0.75rem 1rem;
    gap: 0.75rem;
  }

  .page-home .side-nav__logo {
    border-bottom: none;
    padding-bottom: 0;
    flex: 1;
  }

  .page-home .side-nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    flex: 0 0 100%;
    gap: 0;
    order: 3;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    padding-top: 0.5rem;
    margin-top: 0.25rem;
  }

  .page-home .side-nav__list a {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .page-home .side-nav__list a[aria-current="page"] {
    border-left: none;
    border-bottom-color: var(--color-red, #C8102E);
  }

  .page-home .side-nav__search {
    display: none;
  }

  .page-home .side-nav__cta {
    display: none;
  }

  .page-home .side-nav__tag {
    display: none;
  }

  /* 菜单展开（移动端） */
  .page-home .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.4rem;
    order: 0;
  }

  .page-home .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-gold, #D4AF37);
    border-radius: 1px;
    transition: transform var(--home-transition), opacity var(--home-transition);
  }

  .page-home .nav-toggle-input:checked + .nav-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }
  .page-home .nav-toggle-input:checked + .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  .page-home .nav-toggle-input:checked + .nav-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }

  .page-home .side-nav__list {
    display: none;
  }

  .page-home .nav-toggle-input:checked ~ .side-nav__list {
    display: flex;
  }

  /* 首屏调整 */
  .page-home__cover {
    padding: 2rem 1.25rem;
    min-height: 70vh;
  }

  .cover-section__title {
    font-size: 2.4rem;
  }

  .cover-section__lead {
    font-size: 1rem;
  }

  .cover-section__inner::after {
    width: 60%;
    height: 100%;
  }

  .page-home__section {
    padding: 2.5rem 1.25rem;
  }

  .section-header .section-number {
    font-size: 2rem;
  }

  .section-header .section-title {
    font-size: 1.4rem;
  }

  .stats-dashboard__toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-filter__input {
    width: 100%;
  }

  .stats-dashboard__grid {
    grid-template-columns: 1fr;
  }

  .version-highlights__layout {
    flex-direction: column;
  }

  .version-highlights__mockup {
    flex: 0 0 auto;
    width: 120px;
    align-self: center;
  }

  .version-mockup__img {
    max-width: 120px;
  }

  .version-mockup__badge {
    font-size: 0.9rem;
    right: 0;
  }

  .video-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .report-item {
    flex-direction: column;
  }

  .report-item__img {
    flex: 0 0 180px;
    width: 100%;
  }

  .report-item__body {
    padding: 1rem;
  }

  .page-home__trust {
    padding: 1.5rem 1.25rem;
  }
}

/* 更小屏 */
@media (max-width: 480px) {
  .cover-section__title {
    font-size: 1.8rem;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .stats-card__value {
    font-size: 1.8rem;
  }

  .section-header .section-number {
    font-size: 1.6rem;
  }

  .section-header .section-title {
    font-size: 1.15rem;
  }
}

/* 桌面 (900px+) */
@media (min-width: 900px) {
  .page-home__cover {
    padding: 4rem 3rem;
  }

  .cover-section__title {
    font-size: 4.8rem;
  }

  .page-home__section {
    padding: var(--home-section-spacing) 3rem;
  }

  .stats-dashboard__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats-card--wide {
    grid-column: 1 / -1;
  }

  .version-highlights__mockup {
    flex: 0 0 220px;
  }

  .version-mockup__img {
    max-width: 220px;
  }

  .video-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .report-item__img {
    flex: 0 0 240px;
  }

  .page-home__trust {
    padding: 2.5rem 3rem;
  }
}

/* 宽桌面 (1200px+) */
@media (min-width: 1200px) {
  .page-home__cover {
    padding: 5rem 4rem;
  }

  .cover-section__title {
    font-size: 5.6rem;
  }

  .page-home__section {
    padding: 5rem 4rem;
  }

  .stats-dashboard__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stats-card--wide {
    grid-column: span 2;
  }

  .video-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .page-home__trust {
    padding: 3rem 4rem;
  }
}