.page-home {
  --home-gap: 64px;
  --home-pad: 24px;
  background: #0A1A2A;
  color: #F2EEDC;
  font-family: var(--font-sans);
  line-height: 1.8;
  overflow-x: hidden;
  scroll-behavior: smooth;
  min-height: 100vh;
}

.page-home a {
  text-decoration: none;
}

.page-home a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-home .home-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 16px 56px;
}

/* ========== 左侧信息索引 ========== */
.page-home .home-index__inner {
  background: var(--navy-ink);
  border: 1px solid rgba(201, 164, 77, 0.3);
  border-left: 3px solid var(--gold);
  padding: var(--home-pad) 20px;
}

.page-home .home-index__eyebrow {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .home-index__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--pearl);
}

.page-home .home-index__list {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
}

.page-home .home-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 8px;
  border-bottom: 1px solid rgba(168, 176, 184, 0.15);
  color: var(--mist);
  transition: color 0.2s, background-color 0.2s;
}

.page-home .home-index__link:hover {
  color: var(--gold-light);
  background: rgba(201, 164, 77, 0.08);
}

.page-home .home-index__num {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  flex: none;
}

.page-home .home-index__name {
  font-size: 15px;
}

.page-home .home-index__divider {
  margin: 20px 0 10px;
  padding-top: 16px;
  border-top: 1px dashed rgba(201, 164, 77, 0.4);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .home-index__nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-home .home-index__nav a {
  display: block;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  font-size: 15px;
  color: var(--pearl);
  transition: border-color 0.2s, color 0.2s;
}

.page-home .home-index__nav a:hover {
  border-left-color: var(--gold);
  color: var(--gold-light);
}

.page-home .home-index__tip {
  margin: 20px 0 0;
  padding: 10px 12px;
  border-left: 2px solid var(--gold);
  background: rgba(201, 164, 77, 0.1);
  font-size: 13px;
  color: var(--gold-light);
}

/* ========== 右侧主内容 ========== */
.page-home .home-main {
  position: relative;
  overflow: hidden;
}

.page-home .home-texture {
  position: absolute;
  top: 0;
  right: 0;
  width: 64%;
  height: 520px;
  object-fit: cover;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.page-home .home-welcome,
.page-home .home-download,
.page-home .home-help,
.page-home .home-bottom {
  position: relative;
  z-index: 1;
}

/* ========== 章节标签 ========== */
.page-home .home-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold-light);
}

.page-home .home-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--crimson);
  transform: rotate(45deg);
  flex: none;
}

.page-home .home-kicker--gold {
  color: var(--gold);
}

.page-home .home-kicker--gold::before {
  background: var(--gold);
}

.page-home .home-kicker--crimson {
  color: var(--crimson);
}

.page-home .home-kicker--crimson::before {
  background: var(--crimson);
}

/* ========== 主题声明 ========== */
.page-home .home-welcome {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 48px 0 var(--home-gap);
  border-bottom: 1px solid rgba(201, 164, 77, 0.25);
}

.page-home .home-welcome__inner::before {
  content: "";
  display: block;
  width: 56px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 16px;
}

.page-home .home-welcome__title {
  margin: 8px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--pearl);
  letter-spacing: 0.02em;
}

.page-home .home-welcome__title span {
  display: block;
  margin-top: 6px;
  font-size: 0.42em;
  color: var(--gold);
}

.page-home .home-welcome__lead {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--gold-light);
}

.page-home .home-welcome__desc {
  max-width: 640px;
  margin: 0 0 24px;
  font-size: 15px;
  color: var(--mist);
}

.page-home .home-welcome__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home .home-welcome__emblem img {
  width: 110px;
  height: auto;
  border: 1px solid rgba(201, 164, 77, 0.4);
  border-radius: 50%;
}

/* ========== 按钮 ========== */
.page-home .home-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--navy-deepest);
  background: var(--gold);
  border: 1px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background-color 0.25s, color 0.25s, transform 0.15s;
}

.page-home .home-btn:hover {
  background: var(--bronze);
  border-color: var(--bronze);
  color: var(--navy-deepest);
}

.page-home .home-btn:active {
  transform: translateY(2px);
}

.page-home .home-btn--outline {
  background: transparent;
  color: var(--gold-light);
}

.page-home .home-btn--outline:hover {
  background: var(--gold);
  color: var(--navy-deepest);
}

.page-home .home-btn--dark {
  background: var(--navy-deepest);
  border-color: var(--navy-deepest);
  color: var(--gold-light);
}

.page-home .home-btn--dark:hover {
  background: var(--navy-ink);
  border-color: var(--navy-ink);
  color: var(--gold);
}

/* ========== 电脑端资源下载区 ========== */
.page-home .home-download {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: var(--home-gap) 0;
}

.page-home .home-download__visual img,
.page-home .home-help__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(201, 164, 77, 0.4);
}

.page-home .home-download__visual img {
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-home .home-download__body {
  position: relative;
  padding: 32px var(--home-pad);
  background: var(--cream);
  color: var(--navy-deepest);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-home .home-download__body .home-kicker {
  color: var(--bronze);
}

.page-home .home-download__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--navy-deepest);
}

.page-home .home-download__body p {
  margin: 0 0 18px;
  font-size: 15px;
  color: #2c3545;
}

.page-home .home-download__points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-download__points li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--navy-deepest);
}

.page-home .home-download__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 12px;
  height: 2px;
  background: var(--gold);
}

.page-home .home-download__note {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(10, 26, 42, 0.14);
  font-size: 13px;
  color: #42505e;
}

/* ========== 帮助中心第三栏 ========== */
.page-home .home-help {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: var(--home-gap) 0;
}

.page-home .home-help__body {
  padding: 32px var(--home-pad);
  background: var(--navy-ink);
  border: 1px solid rgba(201, 164, 77, 0.3);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-home .home-help__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--pearl);
}

.page-home .home-help__body p {
  margin: 0 0 20px;
  font-size: 15px;
  color: var(--mist);
}

.page-home .home-help__visual img {
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

/* ========== 底部双栏：收藏 + 注册 ========== */
.page-home .home-bottom {
  display: grid;
  gap: 20px;
  padding: var(--home-gap) 0 0;
}

.page-home .home-bookmark,
.page-home .home-register {
  display: flex;
  flex-direction: column;
  background: rgba(13, 36, 54, 0.7);
  border: 1px solid rgba(201, 164, 77, 0.3);
  padding: 32px var(--home-pad);
}

.page-home .home-bookmark__title,
.page-home .home-register__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  color: var(--pearl);
}

.page-home .home-bookmark p,
.page-home .home-register p {
  margin: 0 0 20px;
  font-size: 15px;
  color: var(--mist);
}

.page-home .home-bookmark .home-btn,
.page-home .home-register .home-btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ========== 响应式 ========== */
@media (min-width: 640px) {
  .page-home .home-shell {
    padding: 32px 24px 72px;
    gap: 32px;
  }

  .page-home .home-welcome__emblem img {
    width: 150px;
  }

  .page-home .home-download__body,
  .page-home .home-help__body {
    padding: 36px 32px;
  }
}

@media (min-width: 960px) {
  .page-home {
    --home-gap: 72px;
  }

  .page-home .home-shell {
    grid-template-columns: 256px 1fr;
    gap: 48px;
    padding: 40px 48px 96px;
  }

  .page-home .home-index {
    align-self: start;
    position: sticky;
    top: 32px;
  }

  .page-home .home-welcome {
    grid-template-columns: 1fr auto;
    gap: 32px;
    padding-top: 56px;
  }

  .page-home .home-welcome__emblem img {
    width: 200px;
  }

  .page-home .home-download {
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
  }

  .page-home .home-help {
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
  }

  .page-home .home-bottom {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .page-home .home-texture {
    width: 52%;
    height: 600px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home {
    scroll-behavior: auto;
  }

  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition: none !important;
  }
}