.page-home {
  --ph-notched: 14px;
  --ph-card-shadow: 0 22px 48px -30px rgba(0, 0, 0, .9);
  --ph-soft-text: #C6D0E8;
  display: block;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background:
    radial-gradient(120% 62% at 90% 4%, rgba(108, 74, 182, .28), transparent 62%),
    radial-gradient(90% 48% at 2% 24%, rgba(127, 216, 216, .10), transparent 60%),
    var(--ink-900);
  color: var(--snow);
  font-family: var(--font-body);
}

.page-home img {
  max-width: 100%;
}

.page-home :focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
}

.page-home .section {
  padding: clamp(3rem, 7vw, 6rem) 0;
  position: relative;
}

.page-home .section__eyebrow {
  color: var(--violet-soft);
}

.page-home .section__title {
  margin: .75rem 0 0;
  color: var(--snow);
}

.page-home .section__intro {
  margin: 1rem 0 0;
  max-width: 52ch;
  color: var(--ph-soft-text);
}

/* ---------- 上下文条 ---------- */
.ph-context {
  border-bottom: 1px solid rgba(46, 58, 92, .85);
  padding: .85rem 0;
}

.ph-context__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem 1.25rem;
}

.ph-context__path {
  color: var(--violet-soft);
}

.ph-context__note {
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--dust);
}

/* ---------- 海报式首屏 ---------- */
.ph-poster {
  position: relative;
  padding: clamp(2.25rem, 5.5vw, 4.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  isolation: isolate;
}

.ph-poster__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
  filter: saturate(.85) brightness(.78);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 52%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 52%, transparent 100%);
}

.ph-poster::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: radial-gradient(rgba(154, 167, 199, .26) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(72% 62% at 18% 22%, #000, transparent 78%);
  mask-image: radial-gradient(72% 62% at 18% 22%, #000, transparent 78%);
}

.ph-poster__orbit {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.ph-orbit__track,
.ph-orbit__spark {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.ph-orbit__track {
  stroke: var(--violet);
  stroke-width: 1.5;
  opacity: .5;
}

.ph-orbit__spark {
  stroke: var(--glacier);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 70 930;
  animation: ph-orbit-flow 12s linear infinite;
}

@keyframes ph-orbit-flow {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ph-orbit__spark {
    animation: none;
    stroke-dasharray: none;
    opacity: .3;
  }
}

.ph-poster__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.ph-index {
  display: none;
}

.ph-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.ph-index__link {
  display: block;
  padding-left: .8rem;
  border-left: 1px solid var(--orbit);
  color: var(--dust);
  text-decoration: none;
  font-size: .8125rem;
  line-height: 1.5;
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}

.ph-index__link:hover {
  color: var(--glacier);
  border-left-color: var(--glacier);
}

.ph-index__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  color: var(--violet-soft);
}

.ph-poster__body {
  display: grid;
  align-content: start;
  gap: clamp(1.15rem, 2.4vw, 1.75rem);
}

.ph-poster__title {
  margin: 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 7vw, 4.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: .02em;
  color: var(--snow);
  text-wrap: balance;
}

.ph-poster__title em {
  font-style: normal;
  color: var(--gold);
}

.ph-poster__lede {
  margin: 0;
  max-width: 50ch;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--ph-soft-text);
}

.ph-poster__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.ph-status {
  list-style: none;
  margin: clamp(.5rem, 2vw, 1.25rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 1rem;
}

.ph-status__card {
  position: relative;
  padding: 1.3rem 1.35rem 1.45rem;
  background: linear-gradient(158deg, rgba(18, 34, 74, .94), rgba(11, 26, 58, .8));
  border: 1px solid rgba(46, 58, 92, .95);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), var(--ph-card-shadow);
  clip-path: polygon(
    var(--ph-notched) 0,
    100% 0,
    100% calc(100% - var(--ph-notched)),
    calc(100% - var(--ph-notched)) 100%,
    0 100%,
    0 var(--ph-notched)
  );
  transition: transform 150ms var(--ease), border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}

.ph-status__card:hover,
.ph-status__card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(127, 216, 216, .55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 26px 50px -28px rgba(127, 216, 216, .5);
}

.page-home .stat-card__value {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 2.6vw, 2.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--gold);
}

.page-home .stat-card__label {
  margin: 0;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--snow);
}

.page-home .stat-card__meta {
  margin: .45rem 0 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--dust);
}

/* ---------- 三条主线 ---------- */
.ph-lines__head {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
}

.ph-lines__figure {
  margin: 0;
}

.ph-lines__figure .figure__frame {
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .figure__caption {
  color: var(--dust);
}

.ph-tabs {
  margin-top: clamp(2rem, 4.5vw, 3.25rem);
}

.page-home .segment__bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--orbit);
}

.page-home .segment__btn {
  appearance: none;
  padding: .55rem 1.15rem;
  border: 1px solid rgba(46, 58, 92, .95);
  background: rgba(18, 34, 74, .55);
  color: var(--dust);
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1.4;
  cursor: pointer;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: color 150ms var(--ease), background-color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-home .segment__btn:hover {
  color: var(--glacier);
  border-color: rgba(127, 216, 216, .5);
}

.page-home .segment__btn[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
}

.page-home .segment__btn[aria-selected="true"]:hover {
  color: var(--ink-900);
}

.page-home .segment__panel[hidden] {
  display: none;
}

.ph-scene {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.ph-scene__item {
  padding: 1.35rem 1.35rem 1.5rem;
  background: linear-gradient(150deg, rgba(18, 34, 74, .82), rgba(11, 26, 58, .6));
  border: 1px solid rgba(46, 58, 92, .9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
  clip-path: polygon(
    var(--ph-notched) 0,
    100% 0,
    100% calc(100% - var(--ph-notched)),
    calc(100% - var(--ph-notched)) 100%,
    0 100%,
    0 var(--ph-notched)
  );
  transition: border-color 150ms var(--ease), transform 150ms var(--ease);
}

.ph-scene__item:hover {
  transform: translateY(-3px);
  border-color: rgba(108, 74, 182, .8);
}

.ph-scene__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--snow);
}

.ph-scene__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ph-soft-text);
}

.ph-scene__foot {
  margin-top: 1.5rem;
  padding: 1.15rem 1.25rem;
  display: grid;
  gap: .75rem;
  border-left: 2px solid var(--violet);
  background: linear-gradient(90deg, rgba(108, 74, 182, .18), transparent 72%);
}

.ph-scene__fit {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--glacier);
}

.ph-scene__promise {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--snow);
}

.ph-scene__foot .btn {
  justify-self: start;
}

/* ---------- 评价与活跃 ---------- */
.ph-buzz {
  background: linear-gradient(180deg, transparent, rgba(18, 34, 74, .55) 32%, transparent);
}

.ph-buzz__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
}

.ph-buzz__facts {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.ph-buzz__fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid rgba(46, 58, 92, .75);
}

.ph-buzz__fact dt {
  font-size: .75rem;
  font-family: var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--violet-soft);
}

.ph-buzz__fact dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ph-soft-text);
}

.ph-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold);
}

.ph-buzz__more {
  margin: 1.5rem 0 0;
  font-size: .9375rem;
}

.ph-buzz__more a,
.ph-weekly__link a,
.ph-weekly__all a,
.ph-support__more a {
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 216, 216, .4);
  padding-bottom: 2px;
  transition: border-color 150ms var(--ease), color 150ms var(--ease);
}

.ph-buzz__more a:hover,
.ph-weekly__link a:hover,
.ph-weekly__all a:hover,
.ph-support__more a:hover {
  border-bottom-color: var(--glacier);
}

.ph-buzz__visual {
  position: relative;
}

.ph-buzz__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(46, 58, 92, .9);
  clip-path: polygon(
    var(--ph-notched) 0,
    100% 0,
    100% calc(100% - var(--ph-notched)),
    calc(100% - var(--ph-notched)) 100%,
    0 100%,
    0 var(--ph-notched)
  );
}

.ph-buzz__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ph-buzz__card {
  margin-top: 1rem;
  padding: 1rem 1.15rem 1.1rem;
  background: linear-gradient(150deg, rgba(18, 34, 74, .97), rgba(11, 26, 58, .88));
  border: 1px solid rgba(108, 74, 182, .6);
  box-shadow: var(--ph-card-shadow);
  clip-path: polygon(
    12px 0,
    100% 0,
    100% calc(100% - 12px),
    calc(100% - 12px) 100%,
    0 100%,
    0 12px
  );
  transition: transform 150ms var(--ease), border-color 150ms var(--ease);
}

.ph-buzz__card:hover {
  transform: translateY(-3px);
  border-color: rgba(127, 216, 216, .6);
}

.ph-buzz__card .stat-card__value {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.ph-buzz__card--b .stat-card__value {
  color: var(--glacier);
}

/* ---------- 更新摘要 ---------- */
.ph-weekly__head {
  max-width: 62ch;
}

.ph-weekly__grid {
  margin-top: clamp(1.75rem, 3.5vw, 2.75rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

.ph-weekly__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.ph-weekly__item {
  position: relative;
  padding: 1.25rem 1.35rem 1.4rem 1.6rem;
  background: linear-gradient(140deg, rgba(11, 26, 58, .72), rgba(18, 34, 74, .5));
  border: 1px solid rgba(46, 58, 92, .85);
  transition: border-color 150ms var(--ease), transform 150ms var(--ease);
}

.ph-weekly__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  bottom: 1.4rem;
  width: 2px;
  background: linear-gradient(180deg, var(--violet), rgba(108, 74, 182, 0));
}

.ph-weekly__item:hover {
  transform: translateX(3px);
  border-color: rgba(127, 216, 216, .5);
}

.ph-weekly__no {
  color: var(--glacier);
}

.ph-weekly__title {
  margin: .5rem 0 .55rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--snow);
}

.ph-weekly__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ph-soft-text);
}

.ph-weekly__link {
  margin: .85rem 0 0;
  font-size: .875rem;
}

.ph-weekly__shot {
  margin: 0;
  display: grid;
  gap: .75rem;
}

.ph-weekly__shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(46, 58, 92, .9);
  clip-path: polygon(
    var(--ph-notched) 0,
    100% 0,
    100% calc(100% - var(--ph-notched)),
    calc(100% - var(--ph-notched)) 100%,
    0 100%,
    0 var(--ph-notched)
  );
}

.ph-weekly__caption {
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--dust);
}

.ph-weekly__all {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  font-size: .9375rem;
}

/* ---------- 保障与下一步 ---------- */
.ph-support {
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.ph-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4.5vw, 3.5rem);
}

.ph-support__list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.35rem;
}

.ph-support__item {
  padding-left: 1rem;
  border-left: 1px solid var(--orbit);
}

.ph-support__item-title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--snow);
}

.ph-support__item p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ph-soft-text);
}

.ph-support__more {
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  font-size: .9375rem;
}

.ph-support__aside {
  display: grid;
  align-content: start;
  gap: .75rem;
  padding: 1.5rem 1.4rem 1.6rem;
  background: linear-gradient(160deg, rgba(18, 34, 74, .92), rgba(11, 26, 58, .7));
  border: 1px solid rgba(46, 58, 92, .95);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), var(--ph-card-shadow);
  clip-path: polygon(
    var(--ph-notched) 0,
    100% 0,
    100% calc(100% - var(--ph-notched)),
    calc(100% - var(--ph-notched)) 100%,
    0 100%,
    0 var(--ph-notched)
  );
}

.ph-support__aside-title {
  margin: 0 0 .45rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--violet-soft);
}

.ph-support__aside .btn {
  justify-self: stretch;
  text-align: center;
}

.ph-support__note {
  margin: .5rem 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--dust);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .ph-scene {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ph-scene__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .ph-scene__foot .btn {
    grid-row: 1 / span 2;
    grid-column: 2;
  }

  .ph-buzz__fact {
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .ph-lines__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .ph-buzz__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .ph-buzz__visual {
    padding: 1.5rem 0 2.5rem;
  }

  .ph-buzz__card {
    position: absolute;
    width: min(238px, 64%);
    margin-top: 0;
  }

  .ph-buzz__card--a {
    left: -1.5rem;
    bottom: 0;
  }

  .ph-buzz__card--b {
    right: -1rem;
    top: 0;
  }

  .ph-weekly__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .ph-weekly__shot {
    position: sticky;
    top: 6rem;
  }

  .ph-support__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .ph-poster__inner {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .ph-index {
    display: block;
    position: sticky;
    top: 6.5rem;
    align-self: start;
  }

  .ph-status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .ph-status__card:nth-child(2) {
    margin-top: -1.5rem;
  }

  .ph-status__card:nth-child(3) {
    margin-top: .85rem;
  }

  .ph-poster__lede {
    max-width: 48ch;
  }
}
