.page-home {
  --home-gap: 2.5rem;
  --home-hero-min-h: 85vh;
  --home-card-radius: 1.25rem;
  --home-adv-gap: 1.5rem;
  --home-blue: #0066FF;
  --home-orange: #FF6B35;
  --home-text-dark: #1A1A2E;
  --home-text-gray: #4A4A5A;
  --home-bg-light: #F5F7FA;
  --home-border: #D0D5DD;
  --home-shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --home-shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --home-shadow-lg: 0 12px 32px rgba(0,0,0,.12);
  --home-transition: .35s cubic-bezier(.4,0,.2,1);
  --home-font-scale: clamp(2.2rem, 8vw, 5rem);
}

/* 共享容器复用 */
.page-home .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 var(--gap-lg, 24px);
}

/* 区块标签 */
.page-home .section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.page-home .label-line {
  flex: 1;
  max-width: 2.5rem;
  height: 2px;
  background: var(--home-blue);
  opacity: .5;
}
.page-home .label-text {
  font-size: var(--small, 0.875rem);
  font-weight: var(--weight-bold, 700);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--home-blue);
  white-space: nowrap;
}
.page-home .section-title {
  font-size: var(--h2, 2.5rem);
  font-weight: var(--weight-light, 300);
  line-height: 1.15;
  color: var(--home-text-dark);
  margin: 0 0 var(--home-gap);
  max-width: 18ch;
}

/* ===== 首屏：超大标题+检索 ===== */
.page-home .home-hero {
  position: relative;
  min-height: var(--home-hero-min-h);
  display: flex;
  align-items: center;
  padding: calc(var(--header-top-h, 60px) + 1.5rem) 0 2.5rem;
  overflow: hidden;
  background: linear-gradient(135deg, #0A0A1A 0%, #1A1A2E 60%, #0D1B3E 100%);
}
.page-home .hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 75% 30%, rgba(0,102,255,.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(255,107,53,.08) 0%, transparent 50%);
  pointer-events: none;
}
.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl, 40px);
  align-items: center;
  width: 100%;
}
.page-home .hero-text-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-home .hero-kicker {
  font-size: var(--small, 0.875rem);
  font-weight: var(--weight-bold, 700);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--home-orange);
  opacity: .9;
}
.page-home .hero-title {
  font-size: var(--home-font-scale);
  font-weight: var(--weight-black, 900);
  line-height: .9;
  color: #FFFFFF;
  margin: 0;
  letter-spacing: -.03em;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.page-home .hero-desc {
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255,255,255,.8);
  max-width: 36ch;
  margin: 0.5rem 0 0;
}
.page-home .hero-search-box {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 2rem;
  padding: 0.5rem 1rem 0.5rem 2.75rem;
  max-width: 32rem;
  transition: background var(--home-transition), border-color var(--home-transition);
}
.page-home .hero-search-box:focus-within {
  background: rgba(255,255,255,.14);
  border-color: var(--home-blue);
  box-shadow: 0 0 0 3px rgba(0,102,255,.25);
}
.page-home .search-box-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,.5);
  pointer-events: none;
}
.page-home .search-box-input {
  flex: 1;
  min-width: 140px;
  background: none;
  border: none;
  outline: none;
  font-size: 0.95rem;
  color: #FFFFFF;
  font-family: var(--font-family, 'Inter', sans-serif);
  padding: 0.4rem 0;
}
.page-home .search-box-input::placeholder {
  color: rgba(255,255,255,.45);
}
.page-home .search-box-hint {
  width: 100%;
  font-size: 0.75rem;
  color: rgba(255,255,255,.4);
  padding: 0 0 0.25rem;
  letter-spacing: .02em;
}
.page-home .hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.page-home .hero-img {
  width: 100%;
  max-width: 580px;
  height: auto;
  border-radius: var(--radius-lg, 16px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  object-fit: cover;
  aspect-ratio: 3/2;
  transform: perspective(800px) rotateY(-6deg) rotateX(2deg);
  transition: transform var(--home-transition);
}
.page-home .hero-img:hover {
  transform: perspective(800px) rotateY(-2deg) rotateX(1deg);
}

/* ===== 分类概览：技能树式 ===== */
.page-home .home-categories {
  padding: 5rem 0 3.5rem;
  background: var(--bg-white, #FFFFFF);
  position: relative;
}
.page-home .home-categories::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--home-blue), var(--home-orange), var(--home-blue));
  opacity: .3;
}
.page-home .category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-lg, 24px);
  margin-top: 0.5rem;
}
.page-home .category-card {
  position: relative;
  background: var(--home-bg-light);
  border-radius: var(--home-card-radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--home-transition), box-shadow var(--home-transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--home-shadow-sm);
  border: 1px solid transparent;
}
.page-home .category-card:hover,
.page-home .category-card:focus-visible {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--home-shadow-lg);
  border-color: rgba(0,102,255,.15);
}
.page-home .card-visual {
  overflow: hidden;
  aspect-ratio: 3/2;
  background: #E8EDF5;
}
.page-home .card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.page-home .category-card:hover .card-visual img {
  transform: scale(1.05);
}
.page-home .card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-home .card-step {
  font-size: 0.7rem;
  font-weight: var(--weight-black, 900);
  color: var(--home-blue);
  letter-spacing: .1em;
  line-height: 1;
  opacity: .6;
}
.page-home .card-title {
  font-size: var(--h3, 1.75rem);
  font-weight: var(--weight-bold, 700);
  color: var(--home-text-dark);
  margin: 0;
  line-height: 1.2;
}
.page-home .card-desc {
  font-size: var(--small, 0.875rem);
  color: var(--home-text-gray);
  line-height: 1.5;
  margin: 0.25rem 0 0.5rem;
  flex: 1;
}
.page-home .card-link {
  font-size: var(--small, 0.875rem);
  font-weight: var(--weight-bold, 700);
  color: var(--home-blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--home-transition), color var(--home-transition);
}
.page-home .card-link:hover {
  gap: 0.6rem;
  color: var(--home-orange);
}
.page-home .category-card--accent {
  border: 1px solid rgba(255,107,53,.2);
  background: linear-gradient(135deg, #FFF8F5, #FFFFFF);
}
.page-home .category-card--accent .card-step {
  color: var(--home-orange);
}

/* ===== 三大优势 ===== */
.page-home .home-advantages {
  padding: 4rem 0 5rem;
  background: var(--home-bg-light);
  position: relative;
}
.page-home .advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--home-adv-gap);
  margin-bottom: 2.5rem;
}
.page-home .advantage-card {
  background: var(--bg-white, #FFFFFF);
  border-radius: var(--home-card-radius);
  padding: 2rem 1.75rem 1.75rem;
  box-shadow: var(--home-shadow-sm);
  transition: transform var(--home-transition), box-shadow var(--home-transition);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border: 1px solid var(--home-border);
}
.page-home .advantage-card:hover,
.page-home .advantage-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--home-shadow-md);
  border-color: var(--home-blue);
}
.page-home .advantage-icon-wrap {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--home-blue);
  background: rgba(0,102,255,.08);
  border-radius: 1rem;
  transition: background var(--home-transition), color var(--home-transition);
}
.page-home .advantage-card:hover .advantage-icon-wrap {
  background: var(--home-blue);
  color: #FFFFFF;
}
.page-home .advantage-title {
  font-size: 1.25rem;
  font-weight: var(--weight-bold, 700);
  color: var(--home-text-dark);
  margin: 0;
}
.page-home .advantage-desc {
  font-size: var(--small, 0.875rem);
  line-height: 1.6;
  color: var(--home-text-gray);
  margin: 0;
  flex: 1;
}
.page-home .advantage-tag {
  font-size: 0.7rem;
  font-weight: var(--weight-bold, 700);
  color: var(--home-orange);
  background: rgba(255,107,53,.1);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  align-self: flex-start;
  letter-spacing: .04em;
}
.page-home .advantage-ornament {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}
.page-home .ornament-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  opacity: .7;
  box-shadow: 0 0 0 4px rgba(0,102,255,.08);
}

/* ===== 最新动态 ===== */
.page-home .home-updates {
  padding: 4.5rem 0 4rem;
  background: var(--bg-white, #FFFFFF);
}
.page-home .updates-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl, 40px);
  align-items: center;
}
.page-home .updates-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-home .updates-content .section-title {
  margin-bottom: 0.5rem;
}
.page-home .updates-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-home .update-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.page-home .update-marker {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--home-orange);
  margin-top: 0.35rem;
  box-shadow: 0 0 0 3px rgba(255,107,53,.15);
}
.page-home .update-text strong {
  display: block;
  font-size: 1rem;
  font-weight: var(--weight-bold, 700);
  color: var(--home-text-dark);
  margin-bottom: 0.15rem;
}
.page-home .update-text p {
  margin: 0;
  font-size: var(--small, 0.875rem);
  color: var(--home-text-gray);
  line-height: 1.5;
}
.page-home .btn--updates {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--home-blue);
  color: #FFFFFF;
  padding: 0.7rem 1.6rem;
  border-radius: 2rem;
  font-size: var(--small, 0.875rem);
  font-weight: var(--weight-bold, 700);
  text-decoration: none;
  transition: background var(--home-transition), transform var(--home-transition);
  align-self: flex-start;
  margin-top: 0.5rem;
}
.page-home .btn--updates:hover {
  background: var(--primary-blue-dark, #004CBF);
  transform: translateY(-2px);
}
.page-home .updates-visual {
  display: flex;
  justify-content: center;
}
.page-home .updates-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-lg, 16px);
  box-shadow: var(--home-shadow-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ===== 信任声明 ===== */
.page-home .home-trust {
  padding: 2.5rem 0 3rem;
  background: var(--home-text-dark);
  color: rgba(255,255,255,.85);
}
.page-home .trust-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.page-home .trust-statement {
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 48ch;
  margin: 0;
  color: rgba(255,255,255,.75);
}
.page-home .trust-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.page-home .trust-link {
  font-size: var(--small, 0.875rem);
  font-weight: var(--weight-bold, 700);
  color: var(--home-orange);
  text-decoration: none;
  transition: opacity var(--home-transition);
}
.page-home .trust-link:hover {
  opacity: .75;
  text-decoration: underline;
}
.page-home .trust-sep {
  color: rgba(255,255,255,.2);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .page-home .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .page-home .hero-visual {
    justify-content: center;
  }
  .page-home .hero-img {
    max-width: 480px;
    transform: none;
  }
  .page-home .hero-img:hover {
    transform: none;
  }
  .page-home .hero-title {
    font-size: clamp(2.6rem, 10vw, 4rem);
  }
  .page-home .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .updates-layout {
    grid-template-columns: 1fr;
  }
  .page-home .updates-visual {
    order: -1;
  }
  .page-home .updates-img {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .page-home {
    --home-hero-min-h: 70vh;
    --home-gap: 1.5rem;
  }
  .page-home .container {
    padding: 0 var(--gap-md, 16px);
  }
  .page-home .hero-inner {
    gap: 1.5rem;
    padding-top: 0.5rem;
  }
  .page-home .hero-title {
    font-size: clamp(2rem, 14vw, 3.2rem);
  }
  .page-home .hero-desc {
    font-size: 0.95rem;
  }
  .page-home .hero-search-box {
    padding: 0.4rem 1rem 0.4rem 2.5rem;
    border-radius: 1.5rem;
    max-width: 100%;
  }
  .page-home .search-box-input {
    font-size: 0.85rem;
    min-width: 100px;
  }
  .page-home .hero-img {
    max-width: 100%;
    border-radius: var(--radius-md, 8px);
  }
  .page-home .section-title {
    font-size: var(--h3, 1.75rem);
  }
  .page-home .category-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-md, 16px);
  }
  .page-home .home-categories {
    padding: 3rem 0 2.5rem;
  }
  .page-home .card-body {
    padding: 1rem 1rem 1.25rem;
  }
  .page-home .card-title {
    font-size: 1.35rem;
  }
  .page-home .advantage-grid {
    grid-template-columns: 1fr;
    gap: var(--gap-md, 16px);
  }
  .page-home .home-advantages {
    padding: 3rem 0 3.5rem;
  }
  .page-home .advantage-card {
    padding: 1.5rem 1.25rem 1.25rem;
  }
  .page-home .home-updates {
    padding: 3rem 0 2.5rem;
  }
  .page-home .updates-layout {
    gap: 1.5rem;
  }
  .page-home .update-item {
    gap: 0.75rem;
  }
  .page-home .trust-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .page-home .trust-statement {
    font-size: 0.85rem;
  }
  .page-home .home-trust {
    padding: 2rem 0 2.5rem;
  }
}

@media (min-width: 641px) and (max-width: 768px) {
  .page-home .hero-title {
    font-size: clamp(2.4rem, 8vw, 3.6rem);
  }
  .page-home .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
</main>