.page-home {
  --home-left-w: 30%;
  --home-right-w: 70%;
  --home-gap: 0;
  --home-hero-clip: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  --home-card-rotate: -0.5deg;
  --home-accent-glow: 0 0 18px rgba(57, 255, 20, 0.45);
  --home-transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  display: block;
  width: 100%;
  background-color: var(--color-white, #FFFFFF);
  color: var(--color-text, #2C2C2C);
  font-family: var(--font-body, sans-serif);
  line-height: 1.6;
}

/* ===== 左右分屏容器 ===== */
.home-split {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100vh;
}

/* ===== 左侧固定品牌区 ===== */
.home-left {
  position: relative;
  width: 100%;
  background-color: var(--color-primary, #0A1F44);
  color: var(--color-white, #FFFFFF);
  padding: 2rem 1.5rem 1.5rem;
  overflow: hidden;
  z-index: 1;
}

.home-left::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-accent, #39FF14));
  opacity: 0.6;
}

.home-left-sticky {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.home-breadcrumb {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent, #39FF14);
  opacity: 0.8;
  margin: 0 0 0.25rem;
  padding: 0;
}

.home-brand-name {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.75rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--color-white, #FFFFFF);
  margin: 0;
  padding: 0;
  line-height: 1.2;
}

.home-brand-slogan {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-accent, #39FF14);
  margin: 0;
  padding: 0;
  line-height: 1.3;
}

.home-brand-desc {
  font-family: var(--font-body, sans-serif);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-silver, #C0C0C0);
  margin: 0;
  padding: 0;
  opacity: 0.85;
}

.home-left-deco {
  margin: 0.75rem 0 0.5rem;
  opacity: 0.7;
  pointer-events: none;
}

.home-left-deco svg {
  display: block;
  width: 100%;
  max-width: 180px;
  height: auto;
}

.home-left-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(192, 192, 192, 0.2);
}

.home-left-link {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-silver, #C0C0C0);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast, 0.2s), padding-left var(--transition-fast, 0.2s);
}

.home-left-link::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--color-accent, #39FF14);
  opacity: 0.6;
}

.home-left-link:hover,
.home-left-link:focus-visible {
  color: var(--color-accent, #39FF14);
  padding-left: 0.25rem;
  outline: none;
}

/* ===== 右侧滚动内容区 ===== */
.home-right {
  position: relative;
  width: 100%;
  background-color: var(--color-white, #FFFFFF);
  display: flex;
  flex-direction: column;
}

/* ===== 通用区块样式 ===== */
.home-section-title {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.75rem;
  font-weight: 900;
  font-style: italic;
  color: var(--color-primary, #0A1F44);
  margin: 0 0 0.5rem;
  padding: 0;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.home-section-desc {
  font-family: var(--font-body, sans-serif);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-text-light, #555);
  margin: 0 0 1.5rem;
  padding: 0;
  line-height: 1.6;
  max-width: 640px;
}

/* ===== 首屏区块 ===== */
.home-hero {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: var(--home-hero-clip);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary, #0A1F44) 20%, #0d2d5e 50%, rgba(57, 255, 20, 0.12) 100%);
}

.home-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.home-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  max-width: 100%;
  animation: homeHeroPulse 12s ease-in-out infinite alternate;
}

@keyframes homeHeroPulse {
  0% { transform: scale(1.02); opacity: 0.7; }
  100% { transform: scale(1.08); opacity: 0.9; }
}

.home-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.72) 0%, rgba(10, 31, 68, 0.30) 60%, rgba(57, 255, 20, 0.08) 100%);
  pointer-events: none;
}

.home-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 3rem 1.5rem;
  max-width: 720px;
  width: 100%;
}

.home-hero-context {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-silver, #C0C0C0);
  margin: 0 0 1rem;
  opacity: 0.7;
}

.home-hero-heading {
  font-family: var(--font-heading, sans-serif);
  font-size: 2.25rem;
  font-weight: 900;
  font-style: italic;
  color: var(--color-white, #FFFFFF);
  margin: 0 0 0.75rem;
  padding: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 24px rgba(10, 31, 68, 0.5);
}

.home-hero-desc {
  font-family: var(--font-body, sans-serif);
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-silver, #C0C0C0);
  margin: 0;
  padding: 0;
  opacity: 0.9;
}

/* ===== 下载区块 ===== */
.home-download {
  padding: 3rem 1.5rem;
  background-color: var(--color-white, #FFFFFF);
  position: relative;
}

.home-download::before {
  content: "";
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-silver, #C0C0C0), transparent);
}

.home-download-inner {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.home-download-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--color-light, #F5F5F5);
  border-left: 4px solid var(--color-accent, #39FF14);
  border-radius: 0 8px 8px 0;
  transition: box-shadow var(--home-transition), transform var(--home-transition);
}

.home-download-card:hover {
  box-shadow: var(--home-accent-glow);
  transform: translateX(4px);
}

.home-download-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background-color: var(--color-primary, #0A1F44);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.home-download-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.home-download-info {
  flex: 1;
}

.home-download-name {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-primary, #0A1F44);
  margin: 0 0 0.25rem;
}

.home-download-note {
  font-family: var(--font-body, sans-serif);
  font-size: 0.875rem;
  color: var(--color-text-light, #555);
  margin: 0;
}

.home-download-btn {
  align-self: flex-start;
  transition: box-shadow var(--home-transition), transform var(--home-transition);
}

.home-download-btn:hover {
  box-shadow: var(--home-accent-glow);
  transform: scale(1.02);
}

/* ===== 会员权益区块 ===== */
.home-membership {
  padding: 3rem 1.5rem;
  background: linear-gradient(180deg, var(--color-light, #F5F5F5) 0%, var(--color-white, #FFFFFF) 100%);
  position: relative;
}

.home-membership-inner {
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

.home-membership-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.home-membership-card {
  background-color: var(--color-white, #FFFFFF);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(10, 31, 68, 0.06);
  transition: transform var(--home-transition), box-shadow var(--home-transition);
  transform: rotate(0deg);
}

.home-membership-card:nth-child(1) {
  transform: rotate(-0.3deg);
}

.home-membership-card:nth-child(2) {
  transform: rotate(0.4deg);
}

.home-membership-card:nth-child(3) {
  transform: rotate(-0.2deg);
}

.home-membership-card:hover {
  transform: rotate(0deg) translateY(-6px);
  box-shadow: 0 8px 32px rgba(10, 31, 68, 0.12), var(--home-accent-glow);
}

.home-membership-card-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background-color: var(--color-primary, #0A1F44);
}

.home-membership-card-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  transition: transform 0.5s ease;
}

.home-membership-card:hover .home-membership-card-img img {
  transform: scale(1.05);
}

.home-membership-card-title {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-primary, #0A1F44);
  margin: 1rem 1rem 0.25rem;
}

.home-membership-card-desc {
  font-family: var(--font-body, sans-serif);
  font-size: 0.875rem;
  color: var(--color-text-light, #555);
  margin: 0 1rem 1rem;
}

.home-membership-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--home-transition), color var(--home-transition);
}

.home-membership-link:hover {
  gap: 1rem;
  color: var(--color-accent, #39FF14);
}

/* ===== FAQ区块 ===== */
.home-faq {
  padding: 3rem 1.5rem;
  background-color: var(--color-white, #FFFFFF);
  position: relative;
}

.home-faq-inner {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.home-faq-top {
  width: 100%;
  height: 100px;
  overflow: hidden;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--color-primary, #0A1F44), rgba(10, 31, 68, 0.6));
}

.home-faq-bg-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  opacity: 0.5;
}

.home-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.home-faq-item {
  border-bottom: 1px solid var(--color-silver, #C0C0C0);
  padding-bottom: 0.75rem;
  transition: border-color var(--home-transition);
}

.home-faq-item[open] {
  border-bottom-color: var(--color-accent, #39FF14);
}

.home-faq-question {
  font-family: var(--font-heading, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary, #0A1F44);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  transition: color var(--home-transition);
  user-select: none;
}

.home-faq-question::-webkit-details-marker {
  display: none;
}

.home-faq-question::before {
  content: "▶";
  font-size: 0.7rem;
  color: var(--color-accent, #39FF14);
  transition: transform var(--home-transition);
  flex-shrink: 0;
}

.home-faq-item[open] .home-faq-question::before {
  transform: rotate(90deg);
}

.home-faq-question:hover {
  color: var(--color-accent, #39FF14);
}

.home-faq-answer {
  font-family: var(--font-body, sans-serif);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-text-light, #555);
  margin: 0.25rem 0 0.5rem 1.2rem;
  padding: 0;
  line-height: 1.7;
}

.home-faq-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--home-transition), color var(--home-transition);
}

.home-faq-link:hover {
  gap: 1rem;
  color: var(--color-accent, #39FF14);
}

/* ===== 桌面端样式 ===== */
@media (min-width: 768px) {
  .home-split {
    flex-direction: row;
  }

  .home-left {
    width: var(--home-left-w, 30%);
    min-width: 240px;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: stretch;
    padding: 3rem 2rem 2.5rem;
    flex-shrink: 0;
  }

  .home-left::after {
    right: 0;
    bottom: 0;
    width: 4px;
    height: 60%;
    background: linear-gradient(180deg, transparent, var(--color-accent, #39FF14));
  }

  .home-left-sticky {
    justify-content: space-between;
    height: 100%;
    width: 100%;
  }

  .home-brand-name {
    font-size: 2.25rem;
  }

  .home-brand-slogan {
    font-size: 1.5rem;
  }

  .home-left-deco {
    margin: 1rem 0;
  }

  .home-left-nav {
    flex-direction: column;
    gap: 0.35rem;
    padding-top: 1rem;
    margin-top: auto;
    border-top: 1px solid rgba(192, 192, 192, 0.15);
  }

  .home-left-link {
    font-size: 0.8rem;
  }

  .home-right {
    width: var(--home-right-w, 70%);
    flex-shrink: 1;
  }

  .home-hero {
    min-height: 85vh;
  }

  .home-hero-content {
    padding: 4rem 3rem;
  }

  .home-hero-heading {
    font-size: 4rem;
  }

  .home-hero-desc {
    font-size: 1.35rem;
  }

  .home-download {
    padding: 4rem 3rem;
  }

  .home-download-card {
    flex-direction: row;
    align-items: center;
  }

  .home-download-icon {
    width: 80px;
    height: 80px;
  }

  .home-membership {
    padding: 4rem 3rem;
  }

  .home-membership-cards {
    flex-direction: row;
    gap: 1.5rem;
  }

  .home-membership-card {
    flex: 1;
  }

  .home-membership-card-img {
    height: 200px;
  }

  .home-faq {
    padding: 4rem 3rem;
  }

  .home-faq-top {
    height: 140px;
  }

  .home-section-title {
    font-size: 2.25rem;
  }
}

@media (min-width: 1200px) {
  .home-hero-heading {
    font-size: 5rem;
  }

  .home-hero-content {
    padding: 5rem 4rem;
  }

  .home-download {
    padding: 5rem 4rem;
  }

  .home-membership {
    padding: 5rem 4rem;
  }

  .home-faq {
    padding: 5rem 4rem;
  }

  .home-membership-cards {
    gap: 2rem;
  }

  .home-membership-card-img {
    height: 220px;
  }
}

/* ===== 全局辅助 ===== */
.page-home .btn-primary {
  background-color: var(--color-accent, #39FF14);
  color: var(--color-primary, #0A1F44);
  border: 2px solid var(--color-accent, #39FF14);
  padding: 0.6rem 1.6rem;
  font-family: var(--font-heading, sans-serif);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: 4px;
  display: inline-block;
  transition: box-shadow var(--home-transition), transform var(--home-transition), background-color var(--home-transition);
  cursor: pointer;
}

.page-home .btn-primary:hover {
  box-shadow: var(--home-accent-glow);
  transform: scale(1.02);
  background-color: #2be00e;
}

.page-home .btn-ghost {
  background-color: transparent;
  color: var(--color-primary, #0A1F44);
  border: 2px solid var(--color-primary, #0A1F44);
  padding: 0.6rem 1.6rem;
  font-family: var(--font-heading, sans-serif);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: 4px;
  display: inline-block;
  transition: border-color var(--home-transition), color var(--home-transition), background-color var(--home-transition);
  cursor: pointer;
}

.page-home .btn-ghost:hover {
  border-color: var(--color-accent, #39FF14);
  color: var(--color-accent, #39FF14);
  background-color: rgba(57, 255, 20, 0.04);
}

/* ===== 焦点样式 ===== */
.page-home *:focus-visible {
  outline: 2px solid var(--color-accent, #39FF14);
  outline-offset: 3px;
  border-radius: 2px;
}