.page-home {
  --ph-pad: clamp(20px, 5vw, 64px);
  background: var(--bg-deep);
  overflow-x: hidden;
}

.page-home .content-container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

/* ===== Hero ===== */
.ph-hero {
  position: relative;
  padding: 56px 0 72px;
  background:
    linear-gradient(118deg, rgba(139, 92, 246, 0.20) 0%, transparent 46%),
    linear-gradient(220deg, rgba(255, 45, 120, 0.10) 0%, transparent 38%),
    var(--bg-deep);
}

.ph-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: 68%;
  height: 140%;
  background: repeating-linear-gradient(135deg, rgba(255, 45, 120, 0.05) 0 2px, transparent 2px 9px);
  transform: rotate(10deg);
  pointer-events: none;
}

.ph-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--ph-pad);
  display: grid;
  gap: 28px;
}

.ph-hero-copy .eyebrow {
  margin-bottom: 10px;
  color: var(--electric-purple);
}

.ph-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7.5vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin: 0 0 18px;
}

.ph-hero-copy h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--neon-pink), var(--electric-purple));
}

.ph-hero-lede {
  margin: 0 0 26px;
  max-width: 44em;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-body);
}

.ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.ph-hero-media {
  position: relative;
}

.ph-hero-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.22) contrast(1.08);
  clip-path: polygon(0 0, 100% 5%, 95% 100%, 6% 94%);
}

/* ===== 类别索引区 ===== */
.ph-cats {
  padding: 64px 0;
}

.ph-section-head {
  margin-bottom: 36px;
}

.ph-section-head .tag {
  margin-bottom: 8px;
}

.ph-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.8vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 10px 0 14px;
  color: var(--text-primary);
}

.ph-section-lede {
  margin: 0;
  max-width: 54em;
  color: var(--text-body);
  line-height: 1.75;
  font-size: 0.98rem;
}

.ph-cat-list {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.ph-cat-item {
  position: relative;
  display: block;
  padding: 22px 22px 22px 26px;
  background: linear-gradient(100deg, rgba(18, 18, 30, 0.96), rgba(22, 22, 36, 0.9));
  border-left: 2px solid var(--line-pink);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.ph-cat-item:hover,
.ph-cat-item:focus-within {
  background: linear-gradient(100deg, rgba(26, 26, 42, 0.98), rgba(30, 30, 50, 0.94));
  border-left-color: var(--neon-pink);
  transform: translateX(4px);
}

.ph-cat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--neon-pink);
  margin-bottom: 10px;
}

.ph-cat-item h3 {
  font-size: 1.16rem;
  color: var(--text-primary);
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}

.ph-cat-item p {
  margin: 0;
  color: var(--text-body);
  font-size: 0.92rem;
  line-height: 1.68;
}

.ph-cat-more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 功能面板 ===== */
.ph-features {
  padding: 64px 0;
}

.ph-features-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin: 0 0 28px;
}

.ph-features-title::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin-top: 14px;
  background: linear-gradient(90deg, var(--neon-pink), transparent);
}

.ph-features-grid {
  display: grid;
  gap: 20px;
}

.ph-feature {
  position: relative;
  padding: 28px 24px;
  background: var(--bg-panel);
  border-top: 1px solid var(--line-faint);
}

.ph-feature::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 0;
  height: 0;
  border-left: 22px solid transparent;
  border-bottom: 22px solid var(--bg-deep);
}

.ph-feature-stable {
  border-top-color: rgba(255, 45, 120, 0.45);
  background:
    radial-gradient(circle at 86% 12%, rgba(255, 45, 120, 0.14), transparent 46%),
    var(--bg-panel);
}

.ph-feature-drama {
  border-top-color: rgba(139, 92, 246, 0.5);
  background:
    radial-gradient(circle at 12% 80%, rgba(139, 92, 246, 0.16), transparent 52%),
    var(--bg-panel);
}

.ph-feature-archive {
  border-top-color: rgba(201, 164, 92, 0.45);
  background:
    radial-gradient(circle at 82% 18%, rgba(201, 164, 92, 0.12), transparent 44%),
    var(--bg-panel);
}

.ph-feature .tag {
  margin-bottom: 8px;
}

.ph-feature h3 {
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 10px 0 12px;
}

.ph-feature p {
  margin: 0;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 0.94rem;
}

.ph-feature img {
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 18px;
  clip-path: polygon(0 0, 100% 2%, 98% 100%, 3% 97%);
  filter: saturate(1.16) contrast(1.06);
}

.ph-feature-nums {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 20px;
}

.ph-feature-nums span {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--dark-gold);
}

.ph-feature-nums small {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

/* ===== 更新动态 ===== */
.ph-updates {
  padding: 64px 0;
}

.ph-updates-grid {
  display: grid;
  gap: 28px;
}

.ph-update-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ph-update-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-faint);
}

.ph-update-list li:first-child {
  padding-top: 0;
}

.ph-update-tag {
  flex-shrink: 0;
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--neon-pink);
  background: rgba(255, 45, 120, 0.1);
  border: 1px solid rgba(255, 45, 120, 0.25);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.ph-update-list p {
  margin: 0;
  color: var(--text-body);
  line-height: 1.65;
  font-size: 0.94rem;
}

.ph-updates-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.12) contrast(1.04);
  clip-path: polygon(0 0, 100% 4%, 96% 100%, 4% 96%);
}

/* ===== 快速导航 ===== */
.ph-quicknav {
  padding: 64px 0 0;
}

.ph-quicknav-inner {
  display: grid;
  gap: 24px;
  padding: 32px 24px;
  background:
    linear-gradient(135deg, rgba(139, 92, 246, 0.14), transparent 52%),
    var(--bg-panel);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.ph-quicknav-head .eyebrow {
  margin-bottom: 6px;
  color: var(--dark-gold);
}

.ph-quicknav-head h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 6px 0 0;
}

.ph-quicknav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ph-quicknav-list a {
  display: inline-block;
  padding: 8px 18px;
  color: var(--text-primary);
  border: 1px solid var(--line-faint);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.ph-quicknav-list a:hover,
.ph-quicknav-list a:focus-visible {
  border-color: var(--line-pink);
  background: rgba(255, 45, 120, 0.08);
}

/* ===== 桌面端 ===== */
@media (min-width: 820px) {
  .page-home {
    overflow: hidden;
  }

  .ph-hero {
    padding-top: 88px;
    padding-bottom: 110px;
  }

  .ph-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: center;
  }

  .ph-hero-copy h1 {
    font-size: clamp(3rem, 6vw, 5.2rem);
  }

  .ph-hero-media {
    margin-top: 56px;
  }

  .ph-cats {
    padding: 96px 0;
  }

  .ph-section-head {
    max-width: 680px;
  }

  .ph-cat-list {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .ph-features {
    padding: 96px 0;
  }

  .ph-features-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 22px;
  }

  .ph-feature-stable {
    grid-column: 1;
    grid-row: 1;
  }

  .ph-feature-drama {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .ph-feature-archive {
    grid-column: 1;
    grid-row: 2;
  }

  .ph-feature {
    padding: 36px 30px;
  }

  .ph-updates {
    padding: 96px 0;
  }

  .ph-updates-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

  .ph-section-head {
    grid-column: 1 / -1;
  }

  .ph-update-list {
    grid-column: 1;
  }

  .ph-updates-media {
    grid-column: 2;
    grid-row: 2 / span 2;
  }

  .ph-quicknav {
    padding: 96px 0 0;
  }

  .ph-quicknav-inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 40px;
    padding: 44px 36px;
  }
}