.page-home {
  --ph-accent: #FF4D00;
  --ph-electric: #00E5FF;
  --ph-lime: #39D353;
  --ph-purple: #7A00E6;
  --ph-card-bg: rgba(255, 255, 255, 0.06);
  --ph-card-line: rgba(255, 255, 255, 0.12);
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg) 30%, var(--color-bg-deep) 100%);
  color: var(--color-text);
  overflow-x: hidden;
}

/* ===== 首屏 Hero ===== */
.ph-hero {
  position: relative;
  padding: 56px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 55% at 78% 12%, rgba(0, 229, 255, 0.14), transparent 60%),
    linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg) 62%, var(--color-bg-deep) 100%);
}
.ph-hero-glow {
  position: absolute;
  top: -140px;
  right: -100px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(122, 0, 230, 0.22), transparent 62%);
  pointer-events: none;
  z-index: 0;
}
.ph-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}
.ph-hero-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-muted);
  margin-bottom: 6px;
}
.ph-hero-crumb {
  font-size: 12px;
  color: var(--color-muted);
  opacity: 0.72;
  margin-bottom: 20px;
}
.ph-hero-title {
  font-family: var(--font-headline);
  font-size: clamp(54px, 13vw, 112px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -2px;
  color: var(--color-text);
  margin: 0 0 12px;
}
@supports (background-clip: text) {
  .ph-hero-title {
    background: linear-gradient(120deg, #FFFFFF 10%, var(--color-electric) 62%, var(--color-accent) 115%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.ph-hero-subtitle {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-electric);
  margin-bottom: 20px;
}
.ph-hero-desc {
  color: var(--color-muted);
  max-width: 620px;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.ph-hero-tip {
  font-size: 13px;
  color: var(--color-muted);
  opacity: 0.8;
}
.ph-hero-aside {
  display: grid;
  gap: 20px;
}
.ph-hero-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  min-height: 220px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(122, 0, 230, 0.14));
}
.ph-hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ph-hero-figure figcaption {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(11, 29, 58, 0.82);
  color: var(--color-text);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}
.ph-hero-map {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}
.ph-map-head {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.ph-map-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 6px;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.ph-map-item:last-child {
  border-bottom: none;
}
.ph-map-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
}
.ph-map-index {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--color-electric);
  font-size: 15px;
}
.ph-map-name {
  flex: 1;
  font-size: 15px;
}
.ph-map-arrow {
  color: var(--color-accent);
  font-family: var(--font-data);
  font-size: 15px;
}

/* ===== 通用章节结构 ===== */
.ph-section {
  position: relative;
  padding: 72px 0;
  overflow: hidden;
}
.ph-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 18px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 120px) 100%, 10% 100%);
  transform: translateY(-4px);
}
.ph-update::before {
  background: linear-gradient(90deg, rgba(255, 77, 0, 0.88), rgba(122, 0, 230, 0.55));
}
.ph-nav::before {
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.78), rgba(255, 77, 0, 0.45));
}
.ph-report::before {
  background: linear-gradient(90deg, rgba(255, 77, 0, 0.82), rgba(0, 229, 255, 0.48));
}
.ph-sync::before {
  background: linear-gradient(90deg, rgba(57, 211, 83, 0.68), rgba(0, 229, 255, 0.42));
}
.ph-expert::before {
  background: linear-gradient(90deg, rgba(122, 0, 230, 0.72), rgba(255, 77, 0, 0.36));
}
.ph-section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 40px;
}
.ph-num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 48px;
  line-height: 1;
  color: var(--color-electric);
  flex: 0 0 auto;
  min-width: 62px;
}
@supports (background-clip: text) {
  .ph-num {
    background: linear-gradient(135deg, var(--color-electric), var(--color-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.ph-head-text {
  display: grid;
  gap: 8px;
}
.ph-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-transform: uppercase;
}
.ph-section-head h2 {
  font-family: var(--font-headline);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  margin: 0;
}
.ph-lead {
  color: var(--color-muted);
  max-width: 640px;
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* ===== 01 目录焕新 ===== */
.ph-update {
  background: linear-gradient(180deg, rgba(122, 0, 230, 0.09), transparent 42%);
}
.ph-update-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.ph-stat-item {
  position: relative;
  background: var(--ph-card-bg);
  border: 1px solid var(--ph-card-line);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  overflow: hidden;
}
.ph-stat-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-electric));
  transform: scaleX(0.65);
  transform-origin: left;
}
.ph-stat-value {
  font-family: var(--font-data);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
  display: block;
}
.ph-stat-label {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 8px;
  line-height: 1.4;
}
.ph-story-nudge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(122, 0, 230, 0.26), rgba(0, 229, 255, 0.08));
  border: 1px solid rgba(0, 229, 255, 0.2);
}
.ph-story-nudge p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  max-width: 640px;
}
.ph-story-nudge a {
  color: var(--color-electric);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}
.ph-story-nudge a:hover {
  color: var(--color-lime);
}

/* ===== 02 赛事入口导航 ===== */
.ph-nav {
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.07) 60%);
}
.ph-entry-stage {
  display: grid;
  gap: 16px;
}
.ph-entry-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  min-height: 220px;
}
.ph-entry-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ph-entry-feature {
  position: relative;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: grid;
  gap: 12px;
  align-content: start;
  overflow: hidden;
}
.ph-entry-feature::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(255, 77, 0, 0.22), transparent 65%);
  pointer-events: none;
}
.ph-entry-feature svg {
  margin-top: 4px;
}
.ph-entry-feature h3 {
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 900;
  margin: 0;
}
.ph-entry-feature p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}
.ph-arrow-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-electric);
  text-decoration: none;
  margin-top: 6px;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.ph-arrow-link:hover {
  color: var(--color-lime);
  transform: translateX(4px);
}
.ph-entry-stack {
  display: grid;
  gap: 14px;
}
.ph-mini-card {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--ph-card-bg);
  border: 1px solid var(--ph-card-line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.ph-mini-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.ph-mini-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(0, 229, 255, 0.12);
  display: grid;
  place-items: center;
  flex: 0 0 46px;
}
.ph-mini-copy {
  display: block;
}
.ph-mini-copy strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.ph-mini-copy small {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* ===== 03 战报专区 ===== */
.ph-report {
  background: linear-gradient(180deg, rgba(255, 77, 0, 0.07), transparent 48%);
}
.ph-report-stage {
  display: grid;
  gap: 24px;
}
.ph-report-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  min-height: 200px;
}
.ph-report-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ph-report-content {
  display: grid;
  gap: 16px;
  align-content: start;
}
.ph-tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ph-tag {
  font-size: 13px;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-line);
  color: var(--color-muted);
}
.ph-tag.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
}
.ph-report-list {
  display: grid;
  gap: 12px;
}
.ph-report-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.ph-report-item:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}
.ph-report-index {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-lime);
  line-height: 1.4;
}
.ph-report-body h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.4;
}
.ph-report-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-muted);
}
.ph-report-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-electric);
  background: rgba(0, 229, 255, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.ph-report-more {
  justify-self: start;
}

/* ===== 04 收藏与多端同步 ===== */
.ph-sync {
  background: linear-gradient(180deg, rgba(57, 211, 83, 0.06), transparent 44%);
}
.ph-sync-grid {
  display: grid;
  gap: 24px;
}
.ph-sync-copy {
  display: grid;
  gap: 16px;
  align-content: start;
}
.ph-sync-head {
  margin-bottom: 0;
}
.ph-sync-points {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ph-sync-points li {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 15px;
  line-height: 1.6;
}
.ph-sync-points li span {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-lime);
  background: rgba(57, 211, 83, 0.12);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  flex: 0 0 auto;
}
.ph-sync-pic {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  min-height: 200px;
}
.ph-sync-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== 05 专家专栏预览 ===== */
.ph-expert {
  background: linear-gradient(180deg, rgba(122, 0, 230, 0.08), transparent 46%);
}
.ph-expert-grid {
  display: grid;
  gap: 24px;
}
.ph-expert-copy {
  display: grid;
  gap: 16px;
  align-content: start;
}
.ph-expert-head {
  margin-bottom: 0;
}
.ph-expert-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.ph-expert-list li {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.6;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.ph-expert-list li:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
}
.ph-expert-topic {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-electric);
  background: rgba(0, 229, 255, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-right: 10px;
  vertical-align: middle;
}
.ph-expert-note {
  margin: 0;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.7;
}
.ph-expert-pic {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  min-height: 200px;
}
.ph-expert-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== 收尾引导 ===== */
.ph-close {
  position: relative;
  padding: 72px 0 88px;
  background: linear-gradient(180deg, var(--color-bg), var(--color-bg-dark));
}
.ph-close-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-line);
  border-radius: calc(var(--radius-lg) + 8px);
  padding: 40px 24px;
}
.ph-close-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-electric), var(--color-lime));
}
.ph-close-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-transform: uppercase;
  margin: 0 0 10px;
}
.ph-close-card h2 {
  font-family: var(--font-headline);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  margin: 0 0 10px;
}
.ph-close-card p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto 26px;
}
.ph-close-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .ph-hero {
    padding: 72px 0 80px;
  }
  .ph-hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: center;
  }
  .ph-update-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
  .ph-stat-item {
    padding: 26px 22px;
  }
  .ph-stat-value {
    font-size: 40px;
  }
  .ph-entry-stage {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    grid-template-areas:
      "visual feature"
      "visual stack";
    align-items: stretch;
  }
  .ph-entry-visual {
    grid-area: visual;
  }
  .ph-entry-feature {
    grid-area: feature;
  }
  .ph-entry-stack {
    grid-area: stack;
  }
  .ph-report-stage {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  .ph-report-figure {
    position: sticky;
    top: 140px;
  }
  .ph-sync-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: center;
  }
  .ph-sync-copy,
  .ph-expert-copy {
    order: 0;
  }
  .ph-sync-pic {
    order: 1;
  }
  .ph-expert-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: center;
  }
  .ph-expert-pic {
    order: 1;
  }
  .ph-close-card {
    padding: 48px 40px;
  }
}

@media (min-width: 1024px) {
  .ph-hero {
    padding: 96px 0 96px;
  }
  .ph-hero-title {
    font-size: 112px;
  }
  .ph-section {
    padding: 88px 0;
  }
  .ph-section-head {
    gap: 24px;
  }
  .ph-num {
    font-size: 56px;
    min-width: 72px;
  }
  .ph-story-nudge {
    padding: 24px 28px;
  }
}