.page-home {
  --home-blue-soft: #16294d;
  --home-blue-deep: #071631;
  background-color: var(--c-cream);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .breadcrumb {
  padding-top: var(--sp-5);
}

/* ===== 首屏：答案从这里开始 ===== */
.page-home .home-hero {
  position: relative;
  padding: var(--sp-5) 0 var(--sp-8);
  border-bottom: 1px solid var(--c-border);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

.page-home .home-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
}

.page-home .home-hero h1 {
  font-family: var(--font-head);
  font-size: 2.4rem;
  line-height: 1.14;
  color: var(--c-primary);
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.page-home .home-hero__lead {
  font-size: 1.0625rem;
  color: var(--c-text);
  margin: 0 0 0.75rem;
}

.page-home .home-hero__sub {
  font-size: var(--fs-body);
  color: var(--c-muted);
  margin: 0 0 var(--sp-5);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--sp-5);
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 0.9rem 0;
  margin-bottom: 0.85rem;
}

.page-home .home-hero__stat {
  text-align: center;
}

.page-home .home-hero__stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-accent);
}

.page-home .home-hero__stat-label {
  font-size: var(--fs-micro);
  color: var(--c-muted);
}

.page-home .home-hero__badge {
  display: inline-block;
  font-size: var(--fs-micro);
  color: var(--c-muted);
  background: var(--c-gray);
  border: 1px solid var(--c-border);
  padding: 0.35rem 0.75rem;
  margin: 0 0 var(--sp-5);
}

.page-home .home-hero__figure {
  margin: 0;
  border: 1px solid var(--c-border);
  background: var(--c-gray);
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
}

.page-home .home-hero__visual {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-primary);
  background:
    radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1.5px) 0 0 / 16px 16px,
    linear-gradient(135deg, var(--c-primary) 0%, var(--home-blue-soft) 60%, var(--c-accent) 175%);
}

.page-home .home-hero__svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  max-width: 500px;
}

.page-home .home-hero__year {
  position: absolute;
  right: -0.3rem;
  bottom: -0.4rem;
  z-index: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(3.5rem, 12vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  color: rgba(255, 255, 255, 0.1);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-home .home-hero__note {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.72);
  border-left: 1px solid rgba(255, 255, 255, 0.48);
  padding-left: 0.5rem;
}

/* ===== 最新动态 ===== */
.page-home .home-updates {
  padding: var(--sp-8) 0 var(--sp-7);
}

.page-home .home-updates__timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: var(--sp-6);
}

.page-home .home-updates__timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--c-border);
}

.page-home .home-updates__item {
  position: relative;
  padding: 0 0 2rem 2.5rem;
}

.page-home .home-updates__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--c-cream);
  border: 2px solid var(--c-accent);
  border-radius: 50%;
  z-index: 1;
}

.page-home .home-updates__tag {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-primary);
  background: var(--c-gray);
  border: 1px solid var(--c-border);
  padding: 0.15rem 0.6rem;
  margin-bottom: 0.5rem;
}

.page-home .home-updates__item h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--c-primary);
  margin: 0 0 0.4rem;
}

.page-home .home-updates__item p {
  font-size: var(--fs-small);
  color: var(--c-muted);
  margin: 0 0 0.75rem;
}

.page-home .home-updates__link {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--c-accent);
  padding-bottom: 1px;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-home .home-updates__link:hover {
  background: rgba(255, 107, 53, 0.12);
  color: var(--c-primary);
}

.page-home .home-updates__more {
  text-align: center;
  margin-top: var(--sp-5);
}

/* ===== 三步注册 ===== */
.page-home .home-steps {
  background: var(--c-gray);
  padding: var(--sp-8) 0;
}

.page-home .home-steps__list {
  position: relative;
  list-style: none;
  margin: var(--sp-6) 0 var(--sp-5);
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-home .home-steps__list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.875rem;
  border-left: 2px dashed var(--c-accent);
}

.page-home .home-steps__item {
  position: relative;
  padding-left: 4.25rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-home .home-steps__index {
  position: absolute;
  left: 0;
  top: 0.2rem;
  z-index: 1;
  width: 3.75rem;
  height: 3.75rem;
  display: grid;
  place-items: center;
  background: var(--c-primary);
  color: #ffffff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-home .home-steps__body h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--c-primary);
  margin: 0 0 0.4rem;
}

.page-home .home-steps__body p {
  font-size: var(--fs-small);
  color: var(--c-muted);
  margin: 0;
}

.page-home .home-steps__cta {
  text-align: center;
  margin-top: var(--sp-6);
}

/* ===== 资料库索引 ===== */
.page-home .home-archive {
  position: relative;
  background: var(--c-primary);
  color: var(--c-cream);
  padding: var(--sp-8) 0;
  border-top: 4px solid var(--c-accent);
  border-bottom: 4px solid var(--c-accent);
}

.page-home .home-archive__grid {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
}

.page-home .home-archive .chapter__number,
.page-home .home-archive .chapter__title,
.page-home .home-archive .chapter__label {
  color: var(--c-cream);
}

.page-home .home-archive .chapter__number {
  border-color: rgba(255, 255, 255, 0.55);
}

.page-home .home-archive__desc {
  color: rgba(255, 255, 255, 0.86);
  margin: 0 0 var(--sp-6);
}

.page-home .home-archive__facts {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.page-home .home-archive__facts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  font-size: var(--fs-small);
}

.page-home .home-archive__facts span {
  color: rgba(255, 255, 255, 0.7);
}

.page-home .home-archive__facts strong {
  color: var(--c-cream);
  font-weight: 600;
  text-align: right;
}

.page-home .home-archive__calendar {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 1rem 1.25rem;
}

.page-home .home-archive__calendar svg {
  flex: 0 0 auto;
  width: 56px;
  height: 52px;
}

.page-home .home-archive__calendar p {
  margin: 0;
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.86);
}

.page-home .home-archive__calendar p strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
  line-height: 1.3;
  color: var(--c-accent);
}

.page-home .home-archive__figure {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.page-home .home-archive__figure img {
  display: block;
  width: 100%;
}

/* ===== 常见问题精选 ===== */
.page-home .home-faq {
  padding: var(--sp-8) 0 var(--sp-7);
  background: var(--c-gray);
}

.page-home .home-faq__grid {
  display: grid;
  gap: var(--sp-6);
  align-items: start;
}

.page-home .home-faq__main {
  position: relative;
}

.page-home .home-faq__item {
  border: 1px solid var(--c-border);
  background: var(--c-cream);
  margin-bottom: 1rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-home .home-faq__item[open] {
  border-color: var(--c-accent);
  background: #ffffff;
}

.page-home .home-faq__item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-primary);
}

.page-home .home-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-home .home-faq__item summary::after {
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
  color: var(--c-accent);
  transition: transform 0.25s ease;
}

.page-home .home-faq__item[open] summary::after {
  transform: rotate(45deg);
}

.page-home .home-faq__item p {
  margin: 0;
  padding: 0 1.25rem 1.1rem;
  font-size: var(--fs-small);
  color: var(--c-text);
}

.page-home .home-faq__item[open] p {
  animation: home-faq-in 0.3s ease;
}

@keyframes home-faq-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-home .home-faq__more {
  margin-top: 0.5rem;
}

.page-home .home-faq__figure {
  margin: 0;
  border: 1px solid var(--c-border);
  background: var(--c-cream);
}

.page-home .home-faq__figure img {
  display: block;
  width: 100%;
}

/* ===== 底部数据流 ===== */
.page-home .home-dataflow {
  padding: var(--sp-6) 0;
  border-bottom: 1px solid var(--c-border);
  text-align: center;
}

.page-home .home-dataflow__inner {
  display: grid;
  gap: 0.75rem;
}

.page-home .home-dataflow__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-home .home-dataflow img {
  display: block;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

/* ===== 桌面端适配 ===== */
@media (min-width: 48rem) {
  .page-home .home-hero h1 {
    font-size: var(--fs-h1);
  }

  .page-home .home-updates__timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: var(--sp-7);
  }

  .page-home .home-updates__timeline::before {
    left: 6%;
    right: 6%;
    top: 4px;
    bottom: auto;
    height: 1px;
    width: auto;
  }

  .page-home .home-updates__item {
    padding: 2rem 0 0;
  }

  .page-home .home-updates__item::before {
    left: 0;
    top: 0;
    width: 12px;
    height: 12px;
  }

  .page-home .home-steps__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: var(--sp-7);
  }

  .page-home .home-steps__list::before {
    top: 1.875rem;
    left: 7%;
    right: 7%;
    bottom: auto;
    height: 0;
    border-top: 2px dashed var(--c-accent);
    border-left: none;
  }

  .page-home .home-steps__item {
    padding-left: 0;
    background: var(--c-cream);
    border: 1px solid var(--c-border);
    padding: 2.25rem 1.5rem 1.5rem;
    text-align: center;
  }

  .page-home .home-steps__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(10, 31, 68, 0.08);
    border-color: var(--c-primary);
  }

  .page-home .home-steps__index {
    position: static;
    margin: 0 auto 1rem;
  }

  .page-home .home-steps__item:hover .home-steps__index {
    background: var(--c-accent);
    transform: scale(1.06);
  }

  .page-home .home-archive__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--sp-8);
  }

  .page-home .home-faq__grid {
    grid-template-columns: 1fr 300px;
    gap: var(--sp-8);
  }

  .page-home .home-faq__note {
    position: absolute;
    top: 0.4rem;
    right: -1rem;
    font-size: var(--fs-micro);
    letter-spacing: 0.16em;
    color: var(--c-muted);
  }
}

@media (min-width: 64rem) {
  .page-home .home-hero {
    padding-top: var(--sp-7);
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--sp-8);
    align-items: center;
  }

  .page-home .home-hero__visual {
    min-height: 100%;
    align-self: stretch;
  }
}