/* ============================================
   ob体育官方网站 · 首页专属样式
   Scope: .page-home
   移动端优先，桌面端在 min-width:768px / 1024px 递进
   ============================================ */

.page-home {
  --ph-container: 1280px;
  --ph-gap: 24px;
  --ph-gap-lg: 48px;
  --ph-radius: 2px;
  --ph-stream-speed: 24s;
}

/* ---------- 通用区块容器 ---------- */
.page-home .ph-section-inner {
  max-width: var(--ph-container);
  margin: 0 auto;
  padding: 0 var(--ph-gap);
}

/* ---------- 区块标题（含坐标索引） ---------- */
.page-home .ph-sectionhead {
  margin-bottom: 28px;
}

.page-home .ph-sectionhead__coord {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-2);
  opacity: 0.72;
  margin-bottom: 12px;
}

.page-home .ph-sectionhead .kicker {
  margin-bottom: 10px;
}

.page-home .ph-sectionhead h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4.5vw, 42px);
  line-height: 1.12;
  margin: 0;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ============================================
   首屏 · 分屏布局
   ============================================ */
.page-home .ph-hero {
  position: relative;
  overflow: hidden;
}

.page-home .ph-hero__inner {
  max-width: var(--ph-container);
  margin: 0 auto;
  padding: 32px var(--ph-gap) 56px;
  display: grid;
  gap: 40px;
}

.page-home .ph-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-home .ph-hero__coord {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-home .ph-hero__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-2);
  border: 1px solid var(--divider);
  padding: 2px 8px;
}

.page-home .ph-hero .kicker {
  margin-bottom: 12px;
}

.page-home .ph-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 0 0 20px;
  color: var(--text);
  font-weight: 500;
}

.page-home .ph-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 34em;
  margin: 0;
}

.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 32px;
}

.page-home .ph-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--divider);
}

.page-home .ph-hero__stat {
  padding: 4px 8px 4px 0;
}

.page-home .ph-hero__stat dt {
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 6px;
}

.page-home .ph-hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
}

.page-home .ph-hero__stat b {
  display: block;
  color: var(--accent);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.1;
}

/* ---------- 首屏右侧赛道数据流 ---------- */
.page-home .ph-hero__stage {
  position: relative;
  min-height: 240px;
  display: flex;
  align-items: center;
}

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

.page-home .ph-track__grid line {
  stroke: var(--divider);
  stroke-opacity: 0.5;
}

.page-home .ph-track__lanes {
  fill: none;
  stroke: rgba(57, 255, 136, 0.22);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-home .ph-track__coord,
.page-home .ph-track__label {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--text-2);
  letter-spacing: 0.04em;
}

.page-home .ph-track__coord {
  fill: var(--accent);
  opacity: 0.7;
}

.page-home .ph-track__dot {
  animation: phDotPulse 2.4s ease-in-out infinite;
}

.page-home .ph-track__dot--o {
  animation-delay: 0.7s;
}

.page-home .ph-track__dot--g {
  fill: var(--accent);
}

.page-home .ph-track__dot--o {
  fill: var(--accent-2);
}

/* 浮动数据卡 */
.page-home .ph-hero__livecard {
  position: absolute;
  right: 4px;
  bottom: 4px;
  background: var(--bg-elev);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  box-shadow:
    0 0 0 1px rgba(57, 255, 136, 0.16),
    8px 8px 0 rgba(0, 0, 0, 0.28);
  min-width: 196px;
}

.page-home .ph-hero__livetag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 8px;
}

.page-home .ph-hero__livecard p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.page-home .ph-hero__livecard b {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-weight: 500;
}

@keyframes phDotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

/* ============================================
   SEC-01 · 开赛前10分钟，信息已就位
   ============================================ */
.page-home .ph-readiness {
  position: relative;
  padding: 64px 0 72px;
}

.page-home .ph-readiness__bg {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  pointer-events: none;
}

.page-home .ph-readiness__inner,
.page-home .ph-readiness .ph-section-inner {
  position: relative;
}

.page-home .ph-readiness__intro {
  max-width: 56em;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 36px;
}

/* 非对称三栏卡片 */
.page-home .ph-readiness__grid {
  display: grid;
  gap: 20px;
  margin-bottom: 40px;
}

.page-home .ph-readiness__card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: var(--ph-radius);
  padding: 26px 24px 22px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-home .ph-readiness__card:hover,
.page-home .ph-readiness__card:focus-within {
  border-color: var(--accent);
  transform: translateY(-4px);
}

/* 四角标：左上荧光绿描边 */
.page-home .ph-readiness__card::before,
.page-home .ph-readiness__card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.page-home .ph-readiness__card::before {
  top: -1px;
  left: -1px;
  border-width: 3px 0 0 3px;
}

.page-home .ph-readiness__card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 3px 3px 0;
}

.page-home .ph-readiness__card:hover::before,
.page-home .ph-readiness__card:hover::after,
.page-home .ph-readiness__card:focus-within::before,
.page-home .ph-readiness__card:focus-within::after {
  opacity: 1;
}

.page-home .ph-readiness__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.page-home .ph-readiness__card h3 {
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: var(--text);
}

.page-home .ph-readiness__card p {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 18px;
}

.page-home .ph-readiness__card a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-home .ph-readiness__card a:hover {
  border-bottom-color: var(--accent);
}

/* 大图示意 */
.page-home .ph-readiness__figure {
  margin: 0;
  border: 1px solid var(--divider);
  background: var(--bg-card);
}

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

.page-home .ph-readiness__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-2);
  border-top: 1px solid var(--divider);
}

/* ============================================
   SEC-02 · 主客场表现对照CN
   ============================================ */
.page-home .ph-compare {
  padding: 64px 0 72px;
  background: linear-gradient(
    180deg,
    var(--bg-base) 0%,
    rgba(19, 26, 58, 0.55) 100%
  );
  border-top: 1px solid var(--divider);
}

.page-home .ph-compare__intro {
  max-width: 46em;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 28px;
}

/* 滚动数据流 */
.page-home .ph-compare__stream {
  overflow: hidden;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  padding: 10px 0;
  margin-bottom: 36px;
}

.page-home .ph-compare__streaminner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: max-content;
  animation: phStreamScroll var(--ph-stream-speed) linear infinite;
}

.page-home .ph-compare__streaminner span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--text-2);
}

.page-home .ph-compare__streaminner i {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

@keyframes phStreamScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* 对照面板 + 图表 */
.page-home .ph-compare__layout {
  display: grid;
  gap: 24px;
}

.page-home .ph-compare__board {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-left: 4px solid var(--accent);
  padding: 24px 20px;
}

.page-home .ph-compare__legend {
  display: flex;
  gap: 28px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--divider);
}

.page-home .ph-compare__key {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding-left: 18px;
  color: var(--text-2);
}

.page-home .ph-compare__key::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 10px;
  transform: translateY(-50%);
}

.page-home .ph-compare__key--home::before {
  background: var(--accent);
}

.page-home .ph-compare__key--away::before {
  background: var(--accent-2);
}

.page-home .ph-compare__row {
  padding: 14px 0;
  border-bottom: 1px solid rgba(42, 53, 86, 0.5);
}

.page-home .ph-compare__row:last-child {
  border-bottom: none;
}

.page-home .ph-compare__dim {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 8px;
}

.page-home .ph-compare__bars {
  display: grid;
  gap: 6px;
}

.page-home .ph-compare__bar {
  display: block;
  height: 24px;
  background: rgba(42, 53, 86, 0.4);
  border-radius: 1px;
  overflow: hidden;
}

.page-home .ph-compare__bar i {
  display: block;
  height: 100%;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 24px;
  padding-left: 8px;
  color: #081018;
  white-space: nowrap;
}

.page-home .ph-compare__bar--home i {
  background: var(--accent);
}

.page-home .ph-compare__bar--away i {
  background: var(--accent-2);
}

.page-home .ph-compare__figure {
  margin: 0;
  border: 1px solid var(--divider);
  background: var(--bg-card);
}

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

.page-home .ph-compare__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
  border-top: 1px solid var(--divider);
}

.page-home .ph-compare__cta {
  margin-top: 28px;
}

/* ============================================
   SEC-03 · 实时比分换设备重登
   ============================================ */
.page-home .ph-sync {
  padding: 64px 0 72px;
}

.page-home .ph-sync__intro {
  max-width: 46em;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 36px;
}

.page-home .ph-sync__layout {
  display: grid;
  gap: 32px;
}

.page-home .ph-sync__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .ph-sync__steps li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--divider);
}

.page-home .ph-sync__steps li:first-child {
  padding-top: 0;
}

.page-home .ph-sync__stepnum {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
  text-align: center;
  height: 38px;
  line-height: 38px;
  border-bottom: 2px solid var(--accent);
}

.page-home .ph-sync__steps h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 6px;
  color: var(--text);
}

.page-home .ph-sync__steps p {
  margin: 0;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .ph-sync__figure {
  margin: 0;
  border: 1px solid var(--divider);
  background: var(--bg-card);
}

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

.page-home .ph-sync__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
  border-top: 1px solid var(--divider);
}

/* ============================================
   SEC-04 · 找旧版本资料iOS
   ============================================ */
.page-home .ph-ios {
  padding: 64px 0 72px;
  background: var(--bg-card);
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
}

.page-home .ph-ios__intro {
  max-width: 46em;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 36px;
}

.page-home .ph-ios__layout {
  display: grid;
  gap: 32px;
}

.page-home .ph-ios__figure {
  margin: 0;
  border: 1px solid var(--divider);
  background: var(--bg-elev);
}

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

.page-home .ph-ios__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
  border-top: 1px solid var(--divider);
}

.page-home .ph-ios__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .ph-ios__features li {
  background: var(--bg-elev);
  border-left: 3px solid var(--accent-2);
  padding: 16px 20px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-home .ph-ios__features li:hover {
  background: var(--bg-card);
  transform: translateX(4px);
}

.page-home .ph-ios__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 6px;
}

.page-home .ph-ios__features p {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

.page-home .ph-ios__cta {
  margin-top: 32px;
}

/* ============================================
   收尾 · 平台能力总览
   ============================================ */
.page-home .ph-close {
  padding: 64px 0 80px;
}

.page-home .ph-close__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.page-home .ph-close__stats div {
  border: 1px solid var(--divider);
  padding: 22px 16px;
  text-align: center;
  background: var(--bg-card);
  transition: border-color 0.2s ease;
}

.page-home .ph-close__stats div:hover {
  border-color: var(--accent);
}

.page-home .ph-close__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text);
}

.page-home .ph-close__label {
  display: block;
  font-size: 12px;
  color: var(--text-2);
  margin-top: 6px;
}

.page-home .ph-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.page-home .ph-close__links a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--divider);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .ph-close__links a:hover,
.page-home .ph-close__links a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.page-home .ph-close__trust {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.75;
  border-top: 1px solid var(--divider);
  padding-top: 24px;
  margin: 0;
}

/* ============================================
   平板及以上 · 两栏布局
   ============================================ */
@media (min-width: 768px) {
  /* 首屏分屏 */
  .page-home .ph-hero__inner {
    grid-template-columns: 5fr 6fr;
    align-items: center;
    gap: 48px;
    padding-top: 48px;
    padding-bottom: 72px;
  }

  /* 非对称三栏卡片 */
  .page-home .ph-readiness__grid {
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
  }

  /* 主客场：面板 + 图示 */
  .page-home .ph-compare__layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  /* 同步：步骤 + 图示 */
  .page-home .ph-sync__layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  /* iOS：图示 + 特性 */
  .page-home .ph-ios__layout {
    grid-template-columns: 5fr 6fr;
    align-items: center;
  }

  /* 收尾统计四列 */
  .page-home .ph-close__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   桌面宽屏微调
   ============================================ */
@media (min-width: 1024px) {
  .page-home .ph-hero__inner {
    padding-left: 48px;
    padding-right: 48px;
  }

  .page-home .ph-section-inner {
    padding-left: 48px;
    padding-right: 48px;
  }

  .page-home .ph-readiness {
    padding: 88px 0 96px;
  }

  .page-home .ph-compare {
    padding: 88px 0 96px;
  }

  .page-home .ph-sync {
    padding: 88px 0 96px;
  }

  .page-home .ph-ios {
    padding: 88px 0 96px;
  }

  .page-home .ph-close {
    padding: 88px 0 96px;
  }
}

/* ============================================
   减动效适配
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .page-home .ph-track__dot {
    animation: none;
  }

  .page-home .ph-compare__streaminner {
    animation: none;
  }

  .page-home .ph-readiness__card,
  .page-home .ph-ios__features li {
    transition: none;
  }
}