.page-home {
  color: var(--color-text);
  background: var(--color-bg);
}

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

.page-home .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.875rem;
}

.page-home .breadcrumb a {
  color: #fff;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease);
}

.page-home .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-home .breadcrumb-current {
  color: rgba(255, 255, 255, 0.62);
}

.page-home .section-kicker {
  font-family: var(--font-numeric);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-support-dark);
  margin-bottom: var(--space-2);
  display: inline-block;
}

/* ===== Hero ===== */
.page-home .ph-hero {
  position: relative;
  padding: var(--space-5) 0 0;
  background: var(--color-primary);
  color: #fff;
  overflow: hidden;
}

.page-home .ph-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -18%;
  width: 58%;
  height: 100%;
  background: linear-gradient(135deg, transparent 32%, rgba(255, 107, 53, 0.18) 100%);
  transform: skewX(-15deg);
  pointer-events: none;
}

.page-home .ph-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-support) 58%, transparent 100%);
}

.page-home .ph-hero-topline {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-home .ph-version-badge {
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.page-home .ph-hero-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
}

.page-home .ph-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.page-home .ph-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 31, 68, 0.96) 0%, rgba(10, 31, 68, 0.78) 44%, rgba(255, 107, 53, 0.3) 100%);
  z-index: 1;
}

.page-home .ph-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
}

.page-home .ph-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  margin: 0;
}

.page-home .ph-hero-sub {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin: 0;
}

.page-home .ph-hero-desc {
  max-width: 680px;
  line-height: 1.8;
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
}

.page-home .ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.page-home .ph-hero-actions .btn-primary {
  border: none;
}

.page-home .ph-hero-actions .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.page-home .ph-hero-actions .btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-home .ph-hero-metrics {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
}

.page-home .ph-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-align: center;
}

.page-home .ph-metric-num {
  font-family: var(--font-numeric);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.page-home .ph-metric-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.72);
}

/* ===== 目录 ===== */
.page-home .ph-toc {
  padding: var(--space-8) 0 var(--space-6);
}

.page-home .ph-toc-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.page-home .ph-toc-title,
.page-home .ph-section-title {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin: 0;
}

.page-home .ph-toc-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.3;
}

.page-home .ph-toc-desc {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.7;
}

.page-home .ph-toc-grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .ph-toc-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-decoration: none;
  color: var(--color-text);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.page-home .ph-toc-card:hover,
.page-home .ph-toc-card:focus-visible {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(10, 31, 68, 0.1);
}

.page-home .ph-toc-card:hover .ph-toc-arrow {
  transform: translateX(5px);
  color: var(--color-accent);
}

.page-home .ph-toc-num {
  font-family: var(--font-numeric);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-support);
  flex-shrink: 0;
}

.page-home .ph-toc-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-home .ph-toc-name {
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.page-home .ph-toc-note {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.page-home .ph-toc-arrow {
  margin-left: auto;
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  transition: transform var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);
}

/* ===== 通用章节 ===== */
.page-home .ph-section {
  padding: var(--space-8) 0;
}

.page-home .ph-section-head {
  margin-bottom: var(--space-6);
}

.page-home .ph-section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  margin: 0 0 var(--space-3);
}

.page-home .ph-section-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 760px;
  margin: 0;
}

/* ===== 章节一：数据入口 ===== */
.page-home .ph-section-data {
  background: var(--color-surface);
}

.page-home .ph-data-layout {
  display: grid;
  gap: var(--space-6);
}

.page-home .ph-data-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  display: grid;
  gap: var(--space-4);
}

.page-home .ph-data-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.page-home .ph-data-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-support);
  flex-shrink: 0;
  margin-top: 0.5rem;
  box-shadow: 0 0 0 4px rgba(0, 194, 168, 0.14);
}

.page-home .ph-data-list p {
  margin: 0;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-home .ph-data-list strong {
  color: var(--color-primary);
}

.page-home .ph-data-chart {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.page-home .ph-data-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .ph-data-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-self: center;
  width: 100%;
}

.page-home .ph-data-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

.page-home .ph-visual-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

/* ===== 章节二：登录排查 ===== */
.page-home .ph-section-login {
  background: var(--color-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-8);
}

.page-home .ph-section-login::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -10%;
  width: 42%;
  height: 62%;
  background: linear-gradient(160deg, rgba(255, 107, 53, 0.28), transparent 70%);
  border-radius: 50%;
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-home .ph-section-login .ph-section-title {
  color: #fff;
}

.page-home .ph-section-login .ph-section-desc {
  color: rgba(255, 255, 255, 0.72);
}

.page-home .ph-steps {
  display: grid;
  gap: var(--space-4);
  max-width: 800px;
}

.page-home .ph-step {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.page-home .ph-step-summary {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  list-style: none;
  margin: 0;
}

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

.page-home .ph-step-num {
  font-family: var(--font-numeric);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-3);
  line-height: 1;
  flex-shrink: 0;
}

.page-home .ph-step-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .ph-step-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  color: #fff;
}

.page-home .ph-step-sub {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

.page-home .ph-step-toggle {
  margin-left: auto;
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
}

.page-home .ph-step-toggle::before,
.page-home .ph-step-toggle::after {
  content: "";
  position: absolute;
  background: var(--color-support);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transition: transform var(--duration-fast) var(--ease);
}

.page-home .ph-step-toggle::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-home .ph-step-toggle::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-home .ph-step[open] .ph-step-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-home .ph-step-detail {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px dashed rgba(255, 255, 255, 0.16);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.74);
}

/* ===== 章节三：导航变更 ===== */
.page-home .ph-section-nav-update {
  background: var(--color-bg);
}

.page-home .ph-nav-layout {
  display: grid;
  gap: var(--space-8);
}

.page-home .ph-nav-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-home .ph-nav-copy > p {
  line-height: 1.8;
  color: var(--color-text);
  margin: 0;
}

.page-home .ph-nav-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.page-home .ph-nav-features li {
  position: relative;
  padding-left: var(--space-6);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-home .ph-nav-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 14px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.page-home .ph-update-figure {
  margin: var(--space-5) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

.page-home .ph-update-img {
  width: 100%;
  max-width: 240px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.page-home .ph-update-figure figcaption {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.page-home .ph-nav-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  align-self: center;
}

.page-home .ph-nav-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-2);
  text-align: center;
  font-family: var(--font-numeric);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  min-height: 64px;
  transition: border-color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.page-home .ph-nav-slot--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 14px 30px rgba(10, 31, 68, 0.18);
  transform: translateY(-6px);
}

.page-home .ph-nav-slot--active .ph-nav-slot-num {
  font-weight: 700;
  color: var(--color-support);
}

.page-home .ph-nav-slot--active .ph-nav-slot-text {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
}

.page-home .ph-nav-slot--active .ph-nav-slot-badge {
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  font-size: 0.6875rem;
  font-weight: 700;
}

/* ===== 章节四：射手榜成绩单 ===== */
.page-home .ph-section-scoreboard {
  background: var(--color-surface);
}

.page-home .ph-score-layout {
  display: grid;
  gap: var(--space-6);
}

.page-home .ph-score-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.page-home .ph-score-list li {
  position: relative;
  padding-left: var(--space-6);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-home .ph-score-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  width: 14px;
  height: 2px;
  background: var(--color-support-dark);
  border-radius: 2px;
}

.page-home .ph-score-fields {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  max-width: 560px;
  font-family: var(--font-numeric);
  font-size: 0.9375rem;
}

.page-home .ph-score-fields span {
  text-align: center;
  padding: var(--space-2) 0;
  border-radius: var(--radius-sm);
}

.page-home .ph-score-fields span:nth-child(2) {
  color: var(--color-support);
  font-weight: 700;
}

.page-home .ph-score-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-self: center;
}

.page-home .ph-score-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== 章节五：快速访问 ===== */
.page-home .ph-section-quick {
  background: var(--color-bg);
}

.page-home .ph-quick-grid {
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-home .ph-quick-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.page-home .ph-quick-card:hover,
.page-home .ph-quick-card:focus-visible {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(10, 31, 68, 0.09);
}

.page-home .ph-quick-icon {
  font-size: 1.25rem;
  color: var(--color-accent);
  line-height: 1;
}

.page-home .ph-quick-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary);
}

.page-home .ph-quick-desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.page-home .ph-trust-banner {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: linear-gradient(115deg, var(--color-primary) 0%, var(--color-primary-light) 85%);
  color: #fff;
  line-height: 1.8;
}

.page-home .ph-trust-banner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
}

.page-home .ph-trust-mark {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.9375rem;
}

/* ===== 平板与桌面增强 ===== */
@media (min-width: 640px) {
  .page-home .ph-hero-content {
    padding: var(--space-6);
  }

  .page-home .ph-hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .ph-toc-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .page-home .ph-toc-card:nth-child(2n) {
    transform: translateY(20px);
  }

  .page-home .ph-toc-card:nth-child(2n):hover,
  .page-home .ph-toc-card:nth-child(2n):focus-visible {
    transform: translateY(16px);
  }

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

@media (min-width: 900px) {
  .page-home .ph-hero-metrics {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-home .ph-data-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-8);
    align-items: center;
  }

  .page-home .ph-score-layout {
    grid-template-columns: 1fr 0.9fr;
    gap: var(--space-8);
    align-items: center;
  }

  .page-home .ph-nav-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-home .ph-quick-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}