.page-home {
  --ph-sec: clamp(52px, 8vw, 112px);
  --ph-gap: clamp(18px, 3vw, 34px);
  background: var(--ink-900);
  color: var(--paper);
  overflow-wrap: break-word;
}

/* ---------- 章节跟随索引 ---------- */
.page-home .chapter-index {
  position: sticky;
  top: var(--bar-h);
  z-index: 40;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 var(--gutter);
  background: rgba(7, 13, 28, 0.94);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-home .chapter-index::-webkit-scrollbar {
  display: none;
}

.page-home .chapter-index__link {
  flex: 0 0 auto;
  padding: 12px 12px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .chapter-index__link:hover,
.page-home .chapter-index__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--orange);
}

.page-home .chapter-index__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--orange);
}

/* ---------- 框景首屏 ---------- */
.page-home .ph-hero {
  padding: calc(var(--bar-h) + clamp(22px, 5vw, 56px)) var(--gutter) 0;
}

.page-home .hero-frame {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 52px);
  padding-bottom: clamp(30px, 5vw, 64px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(53, 240, 220, 0.07), transparent 58%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900) 78%);
  overflow: hidden;
}

.page-home .ph-tick {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--orange);
  pointer-events: none;
}

.page-home .ph-tick--tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.page-home .ph-tick--tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.page-home .ph-tick--bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.page-home .ph-tick--br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.page-home .ph-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-home .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .breadcrumb__link:hover,
.page-home .breadcrumb__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .breadcrumb__sep {
  color: var(--line);
}

.page-home .breadcrumb__current {
  color: var(--paper-2);
}

.page-home .ph-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-home .ph-hero .lede {
  max-width: 58ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--paper-2);
}

.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-home .ph-hero__note {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-hero__media {
  position: relative;
  padding-bottom: 46px;
}

.page-home .ph-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(0.92) contrast(1.06) brightness(0.86);
}

.page-home .ph-hero__stamp {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px;
  background: rgba(7, 13, 28, 0.9);
  border: 1px solid var(--orange);
}

.page-home .ph-hero__stamp .stamp__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange-light);
}

.page-home .ph-hero__stamp .stamp__time {
  font-size: 16px;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-countdown {
  position: absolute;
  left: 0;
  bottom: 0;
  min-width: 232px;
  padding: 14px 18px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-home .ph-countdown:focus-visible {
  outline: 2px solid var(--cyan);
}

.page-home .ph-countdown__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-home .ph-countdown__digits {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-countdown__meta {
  margin: 8px 0 0;
  font-size: 12.5px;
  color: var(--paper-2);
}

.page-home .ph-countdown__hover {
  max-height: 0;
  margin: 0;
  opacity: 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--cyan);
  transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}

.page-home .ph-countdown:hover .ph-countdown__hover,
.page-home .ph-countdown:focus-within .ph-countdown__hover,
.page-home .ph-countdown:focus .ph-countdown__hover {
  max-height: 60px;
  margin-top: 8px;
  opacity: 1;
}

.page-home .ph-hero__track {
  position: relative;
  height: 2px;
  margin: clamp(24px, 4vw, 44px) calc(clamp(20px, 4vw, 52px) * -1) calc(clamp(30px, 5vw, 64px) * -1);
  background: var(--line);
}

.page-home .ph-hero__track span {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 38%;
  background: linear-gradient(90deg, var(--orange), var(--orange-light));
}

/* ---------- 索引带 ---------- */
.page-home .ph-strip {
  padding: 0 var(--gutter);
}

.page-home .index-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  max-width: var(--maxw);
  margin: clamp(28px, 5vw, 48px) auto 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .index-strip__cell {
  flex: 1 1 190px;
  padding: 14px 18px;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-home .index-strip__cell--accent {
  color: var(--orange-light);
}

.page-home .index-strip__cell--data {
  color: var(--cyan);
}

/* ---------- 通用区块 ---------- */
.page-home .ph-section {
  padding: var(--ph-sec) 0;
}

.page-home .ph-section__head {
  max-width: 64ch;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-home .section__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-home .section__title--serif {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.28;
}

.page-home .section__lede {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 三条入口轨道 ---------- */
.page-home .ph-paths {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-home .ph-paths__art {
  margin: 0;
}

.page-home .ph-paths__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-home .ph-paths__rail {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 4px 14vw 16px 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-home .ph-paths__rail > * {
  scroll-snap-align: start;
  flex: 0 0 min(84vw, 332px);
}

.page-home .path-card {
  display: block;
  min-height: 324px;
  perspective: 1300px;
  text-decoration: none;
  color: inherit;
}

.page-home .path-card__inner {
  position: relative;
  display: block;
  width: 100%;
  min-height: 324px;
  transform-style: preserve-3d;
  transition: transform 0.55s var(--ease);
}

.page-home .path-card:hover .path-card__inner,
.page-home .path-card:focus-visible .path-card__inner {
  transform: rotateY(180deg);
}

.page-home .path-card__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.page-home .path-card__face--front {
  border-top: 3px solid var(--orange);
}

.page-home .path-card__face--back {
  transform: rotateY(180deg);
  background: var(--paper);
  border-color: var(--orange);
  color: var(--ink-900);
  justify-content: space-between;
}

.page-home .path-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  color: var(--white);
}

.page-home .path-card__text {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .path-card__latest {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-900);
}

.page-home .path-card__more {
  margin-top: auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .path-card__face--back .path-card__more {
  color: var(--orange);
}

/* ---------- 专家专栏 ---------- */
.page-home .ph-expert {
  padding: var(--ph-sec) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .ph-expert__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

.page-home .ph-expert__media {
  margin: 0;
}

.page-home .ph-expert__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: brightness(0.92);
}

.page-home .ph-expert__copy p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper-2);
}

.page-home .ph-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .ph-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .ph-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 联赛速览 ---------- */
.page-home .ph-league {
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-home .ph-league__row {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .ph-league__row:last-child {
  border-bottom: 0;
}

.page-home .ph-league__row:nth-child(even) {
  background: rgba(16, 26, 51, 0.55);
}

.page-home .ph-league__row summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "name time"
    "round count";
  gap: 8px 16px;
  align-items: center;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--ease);
}

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

.page-home .ph-league__row summary:hover,
.page-home .ph-league__row summary:focus-visible {
  background: rgba(255, 106, 26, 0.08);
}

.page-home .ph-league__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .ph-league__round {
  grid-area: round;
  justify-self: start;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-size: 12.5px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-league__count {
  grid-area: count;
  justify-self: end;
  font-size: 12.5px;
  color: var(--orange-light);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-league__time {
  grid-area: time;
  justify-self: end;
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-league__body {
  padding: 2px 16px 18px;
}

.page-home .ph-league__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .ph-league__body li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-top: 8px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13.5px;
  color: var(--muted);
}

.page-home .ph-league__body li .mono {
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .ph-note__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 220, 0.4);
}

.page-home .ph-note__link:hover,
.page-home .ph-note__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 最新更新 ---------- */
.page-home .ph-feed {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .ph-feed__lead {
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .ph-feed__lead .media-frame {
  margin: 0;
}

.page-home .ph-feed__lead img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .ph-feed__body {
  padding: 20px 22px 24px;
  border-top: 2px solid var(--orange);
}

.page-home .ph-feed__body h3 {
  margin: 12px 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.4;
  color: var(--white);
}

.page-home .ph-feed__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .ph-feed__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .ph-feed__item {
  padding: 20px 22px;
  background: var(--ink-900);
}

.page-home .ph-feed__item h3 {
  margin: 10px 0 8px;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--white);
}

.page-home .ph-feed__item p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .ph-feed__time {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-feed__more {
  margin-top: clamp(22px, 3vw, 34px);
}

/* ---------- 回访入口 ---------- */
.page-home .ph-return {
  padding: var(--ph-sec) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .ph-return__grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-home .ph-return__card {
  padding: clamp(22px, 4vw, 42px);
  background: var(--paper);
  border: 1px solid var(--paper-2);
  color: var(--ink-900);
}

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

.page-home .ph-return__card .section__title {
  color: var(--ink-900);
}

.page-home .ph-steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-home .ph-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
}

.page-home .ph-steps__no {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--orange);
  font-size: 12.5px;
  color: var(--orange);
}

.page-home .ph-steps h3 {
  margin: 4px 0 8px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-home .ph-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: #4a5372;
}

.page-home .ph-return__stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-content: start;
}

.page-home .ph-return__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  background: var(--ink-900);
}

.page-home .ph-return__stats .stat__value {
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-return__stats .stat--accent .stat__value {
  color: var(--orange);
}

.page-home .ph-return__stats .stat--data .stat__value {
  color: var(--cyan);
}

.page-home .ph-return__stats .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 使用场景 ---------- */
.page-home .ph-scenes {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .ph-scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-900);
}

.page-home .ph-scene__no {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-home .ph-scene h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-home .ph-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .ph-scene__link {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 220, 0.35);
  align-self: flex-start;
}

.page-home .ph-scene__link:hover,
.page-home .ph-scene__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 收束 CTA ---------- */
.page-home .ph-cta {
  padding: var(--ph-sec) 0 calc(var(--ph-sec) + 20px);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(255, 106, 26, 0.1), transparent 60%),
    var(--ink-900);
}

.page-home .ph-cta__inner {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  align-items: end;
}

.page-home .ph-cta__copy {
  max-width: 62ch;
}

.page-home .ph-cta__copy p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper-2);
}

.page-home .ph-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-home .ph-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-feed__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-home .ph-hero__media {
    padding-bottom: 0;
    padding-left: 26px;
  }

  .page-home .ph-countdown {
    left: -26px;
    bottom: 22px;
  }

  .page-home .ph-paths {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .ph-paths__art {
    position: sticky;
    top: calc(var(--bar-h) + 58px);
  }

  .page-home .ph-expert__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-home .ph-league__row summary {
    grid-template-columns: minmax(0, 1fr) 150px 110px 140px;
    grid-template-areas: "name round count time";
    padding: 16px 20px;
  }

  .page-home .ph-league__round,
  .page-home .ph-league__count,
  .page-home .ph-league__time {
    justify-self: start;
  }

  .page-home .ph-league__count,
  .page-home .ph-league__time {
    justify-self: end;
  }

  .page-home .ph-feed {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

  .page-home .ph-feed__list {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
  }

  .page-home .ph-return__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }

  .page-home .ph-cta__inner {
    grid-template-columns: minmax(0, 1.15fr) auto;
  }
}

@media (min-width: 1200px) {
  .page-home .ph-paths {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .page-home .ph-paths__rail {
    padding-right: 22vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-card__inner,
  .page-home .ph-countdown__hover,
  .page-home .ph-league__row summary,
  .page-home .chapter-index__link {
    transition: none;
  }

  .page-home .path-card:hover .path-card__inner,
  .page-home .path-card:focus-visible .path-card__inner {
    transform: none;
  }

  .page-home .path-card__face--back {
    display: none;
  }
}