/* ===== 首页 · 页面专属样式 ===== */
.page-home {
  --home-gold: #d4af37;
  --home-gold-light: #f0d78c;
  --home-deep: #1a3a5c;
  --home-deep-dark: #0f2540;
}

/* ===== 首屏 ===== */
.page-home .home-hero {
  background: linear-gradient(145deg, var(--home-deep) 0%, var(--home-deep-dark) 100%);
  color: #fff;
  padding: 3rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: -4rem;
  right: -4rem;
  width: 18rem;
  height: 18rem;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  bottom: -6rem;
  left: 15%;
  width: 24rem;
  height: 12rem;
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: 50%;
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-home .home-hero__layout {
  display: grid;
  gap: 2.25rem;
  position: relative;
  z-index: 1;
}

.page-home .home-hero__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--home-gold);
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 999px;
  padding: 0.35rem 1.1rem;
  margin-bottom: 1.5rem;
}

.page-home .home-hero__title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
}

.page-home .home-hero__title span {
  display: block;
  color: var(--home-gold);
  font-weight: 700;
  font-size: 0.75em;
  margin-top: 0.3rem;
  letter-spacing: 0.02em;
}

.page-home .home-hero__lead {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 30em;
  margin-bottom: 1.75rem;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-home .home-hero__actions .btn--outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.page-home .home-hero__actions .btn--outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.page-home .home-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.page-home .home-hero__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  outline: 1px solid rgba(212, 175, 55, 0.35);
  outline-offset: 5px;
}

.page-home .home-hero__visual-note {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  background: rgba(15, 37, 64, 0.88);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.page-home .home-hero__visual-note span {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--home-gold);
  font-size: 0.9rem;
}

/* ===== 会员中心概览 ===== */
.page-home .home-overview {
  padding: 3rem 0;
  background: var(--clr-bg);
}

.page-home .home-overview__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1.5rem;
  margin-bottom: 1.75rem;
}

.page-home .home-overview__head .section-desc {
  flex: 1 1 100%;
  margin: 0;
}

.page-home .home-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .home-overview__card {
  position: relative;
  background: var(--clr-white);
  border: 1px solid #e2e6ec;
  border-radius: var(--radius-md);
  padding: 1.5rem 1.5rem 1.6rem;
  box-shadow: 0 1px 3px rgba(15, 37, 64, 0.06), 0 4px 12px rgba(212, 175, 55, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-home .home-overview__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--home-gold);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.page-home .home-overview__card--success::before {
  background: var(--clr-success);
}

.page-home .home-overview__card:hover {
  transform: translateY(-4px);
  border-color: var(--home-gold);
  box-shadow: var(--shadow-md);
}

.page-home .home-overview__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--home-deep);
  background: var(--clr-bg);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.9rem;
}

.page-home .home-overview__card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--home-deep);
  margin: 0 0 0.2rem;
}

.page-home .home-overview__stat {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--home-deep);
  line-height: 1;
  margin: 0.4rem 0 0.6rem;
  letter-spacing: -0.02em;
}

.page-home .home-overview__card > p:last-child {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--clr-gray);
  line-height: 1.6;
  margin: 0;
}

/* ===== 版本演进记录 ===== */
.page-home .home-history {
  padding: 3.5rem 0;
  background: var(--clr-white);
}

.page-home .home-history__head {
  display: grid;
  gap: 0.3rem 1.5rem;
  margin-bottom: 2rem;
}

.page-home .home-history__head .section-title {
  margin-bottom: 0;
}

.page-home .home-history__head .section-desc {
  margin-bottom: 0;
  max-width: 34em;
}

.page-home .home-history__more {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-primary-light);
  text-decoration: none;
  justify-self: start;
}

.page-home .home-history__more:hover {
  color: var(--home-deep);
  text-decoration: underline;
}

.page-home .home-history__layout {
  display: grid;
  gap: 2.25rem;
}

.page-home .home-history__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.page-home .home-history__visual img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid #e2e6ec;
  box-shadow: var(--shadow-sm);
}

.page-home .home-history__wave {
  width: 100%;
  max-width: 280px;
  height: 48px;
  display: block;
  margin-top: -0.25rem;
}

.page-home .home-history__timeline {
  border-left: 2px solid var(--home-gold);
  padding-left: 1.5rem;
}

.page-home .home-history__timeline .timeline__item {
  position: relative;
  margin-bottom: 1.75rem;
  padding-bottom: 0.25rem;
}

.page-home .home-history__timeline .timeline__item:last-child {
  margin-bottom: 0;
}

.page-home .home-history__timeline .timeline__item::before {
  content: "";
  position: absolute;
  left: -1.65rem;
  top: 0.35rem;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--home-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.22);
}

.page-home .home-history__timeline .timeline__version {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--home-deep);
  letter-spacing: 0.02em;
}

.page-home .home-history__timeline .timeline__date {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary-light);
  margin-bottom: 0.4rem;
}

.page-home .home-history__timeline .timeline__item p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--clr-gray);
  line-height: 1.7;
  margin: 0;
}

/* ===== 资源下载入口 ===== */
.page-home .home-resources {
  padding: 3.5rem 0;
  background: var(--clr-bg);
}

.page-home .home-resources__head {
  margin-bottom: 2rem;
}

.page-home .home-resources__grid {
  display: grid;
  gap: 1.25rem;
}

.page-home .home-resources__side {
  display: grid;
  gap: 1.25rem;
}

.page-home .home-resources__card {
  display: flex;
  flex-direction: column;
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e6ec;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-home .home-resources__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--home-gold);
}

.page-home .home-resources__card--primary {
  background: linear-gradient(150deg, #ffffff 0%, #fdf9ee 100%);
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: 0 8px 28px rgba(212, 175, 55, 0.12);
}

.page-home .home-resources__card--primary:hover {
  border-color: var(--home-gold);
  box-shadow: 0 12px 36px rgba(212, 175, 55, 0.18);
}

.page-home .home-resources__media {
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 1.1rem;
}

.page-home .home-resources__media img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 240px;
  object-fit: cover;
}

.page-home .home-resources__card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--home-deep);
  margin: 0 0 0.45rem;
}

.page-home .home-resources__card p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--clr-gray);
  margin: 0 0 1.1rem;
  flex: 1;
}

.page-home .home-resources__card .btn {
  align-self: flex-start;
  font-size: 0.85rem;
  margin-top: auto;
}

/* ===== 站内索引导览 ===== */
.page-home .home-sitemap {
  padding: 3.5rem 0;
  background: linear-gradient(160deg, #f0f2f5 0%, #e7edf4 100%);
}

.page-home .home-sitemap__head {
  margin-bottom: 2rem;
}

.page-home .home-sitemap__grid {
  display: grid;
  gap: 1rem;
}

.page-home .home-sitemap__link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.6rem 1.5rem;
  background: var(--clr-white);
  border-radius: var(--radius-md);
  border: 1px solid #e2e6ec;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.page-home .home-sitemap__link::after {
  content: "→";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--home-gold);
  transition: transform 0.25s ease;
}

.page-home .home-sitemap__link:hover {
  transform: translateY(-4px);
  border-color: var(--home-gold);
  box-shadow: var(--shadow-md);
}

.page-home .home-sitemap__link:hover::after {
  transform: translate(4px, -50%);
}

.page-home .home-sitemap__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--home-gold);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.page-home .home-sitemap__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--home-deep);
  margin-bottom: 0.4rem;
}

.page-home .home-sitemap__desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--clr-gray);
  line-height: 1.5;
}

/* ===== 使用指南动态 ===== */
.page-home .home-guide {
  padding: 3.5rem 0;
  background: var(--clr-white);
}

.page-home .home-guide__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

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

.page-home .home-guide__culture img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid #e2e6ec;
  box-shadow: var(--shadow-sm);
}

.page-home .home-guide__caption {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: #8a8f99;
  text-align: center;
  margin: 0.6rem 0 0;
}

.page-home .home-guide__content {
  max-width: 34em;
}

.page-home .home-guide__content > p:not(.section-desc) {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--clr-gray);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.page-home .home-guide__callout {
  margin-bottom: 1.25rem;
}

.page-home .home-guide__callout p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.65;
  margin: 0;
}

.page-home .home-guide__content .btn {
  margin: 0.25rem 0;
}

.page-home .home-guide__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.page-home .home-guide__links a {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-primary-light);
  text-decoration: none;
}

.page-home .home-guide__links a:hover {
  color: var(--home-deep);
  text-decoration: underline;
}

/* ===== 平板断点 ===== */
@media (min-width: 640px) {
  .page-home .home-overview__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .home-sitemap__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 桌面断点 ===== */
@media (min-width: 1024px) {
  .page-home .home-hero {
    padding: 5rem 0;
  }

  .page-home .home-hero__layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
  }

  .page-home .home-hero__title {
    font-size: 3rem;
  }

  .page-home .home-hero__lead {
    font-size: 1.05rem;
  }

  .page-home .home-overview {
    padding: 4rem 0;
  }

  .page-home .home-overview__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }

  .page-home .home-history {
    padding: 4.5rem 0;
  }

  .page-home .home-history__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 1.5rem;
  }

  .page-home .home-history__head .section-title {
    width: auto;
  }

  .page-home .home-history__head .section-desc {
    flex: 1;
  }

  .page-home .home-history__layout {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
  }

  .page-home .home-resources {
    padding: 4.5rem 0;
  }

  .page-home .home-resources__grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: stretch;
  }

  .page-home .home-resources__side .home-resources__card {
    min-height: 200px;
  }

  .page-home .home-sitemap {
    padding: 4.5rem 0;
  }

  .page-home .home-guide {
    padding: 4.5rem 0;
  }

  .page-home .home-guide__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
  }
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-home .home-overview__card,
  .page-home .home-resources__card,
  .page-home .home-sitemap__link {
    transition: none;
    transform: none;
  }
}