.page-home{
  --home-pad: clamp(18px, 4vw, 56px);
  --home-gap: clamp(28px, 5vw, 72px);
  --home-radius: var(--radius-lg);
  position: relative;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 84% -6%, rgba(53,230,224,.14), transparent 62%),
    radial-gradient(700px 460px at 6% 24%, rgba(242,184,75,.09), transparent 60%),
    var(--ink-900);
  padding: calc(var(--topbar-h) + 18px) var(--home-pad) clamp(48px, 7vw, 88px);
  overflow-x: clip;
  font-family: var(--font-body);
}

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

.page-home .breadcrumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: var(--shell);
  margin: 0 auto 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-home .breadcrumbs__now{ color: var(--cyan); }
.page-home .breadcrumbs__sep{ color: var(--line-strong); }

/* ---------- 首屏框景 ---------- */
.page-home .hero{
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding-bottom: clamp(30px, 4.5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-home .hero__scale{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(157,246,241,.2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--haze);
}

.page-home .hero__scale span:last-child{ color: var(--amber); }

.page-home .hero__inner{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
  padding-top: clamp(26px, 4vw, 46px);
}

.page-home .hero__copy .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 18px;
}

.page-home .hero h1{
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--text);
  text-wrap: balance;
}

.page-home .hero .lede{
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(26px, 3.5vw, 40px);
}

.page-home .hero__facts{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .hero__num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -.01em;
}

.page-home .hero__label{
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--haze);
  letter-spacing: .04em;
}

.page-home .hero__frame{
  position: relative;
  border: 1px solid rgba(157,246,241,.28);
  border-radius: var(--home-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lift), 0 0 40px -18px rgba(53,230,224,.45);
  background: var(--ink-850);
}

.page-home .hero__frame::after{
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(242,184,75,.22);
  border-radius: calc(var(--home-radius) - 10px);
  pointer-events: none;
}

.page-home .hero__frame img{
  width: 100%;
  aspect-ratio: 16 / 9;
}

.page-home .hero__caption{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--haze);
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
  background: rgba(7,21,46,.7);
}

/* ---------- 入口矩阵 ---------- */
.page-home .entries{
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: var(--home-gap);
}

.page-home .entries__head .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-home .entries__head h2,
.page-home .rules h2,
.page-home .account h2,
.page-home .versions__head h2,
.page-home .help__head h2,
.page-home .closing h2{
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0 0 14px;
  color: var(--text);
  text-wrap: balance;
}

.page-home .entries__head .lede{
  max-width: 62ch;
  margin: 0;
  color: var(--text-dim);
  line-height: 1.8;
}

.page-home .entries__filter{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .filter-btn{
  appearance: none;
  cursor: pointer;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(14,44,85,.55);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .02em;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-home .filter-btn:hover{ color: var(--text); border-color: var(--cyan); }

.page-home .filter-btn[aria-pressed="true"]{
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
  box-shadow: var(--glow-cyan);
}

.page-home .entry-grid{
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-home .entry{
  grid-column: span 12;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 168px;
  padding: clamp(18px, 2.4vw, 28px);
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(160deg, rgba(14,44,85,.92), rgba(7,21,46,.92));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-home .entry::before{
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), transparent 78%);
  opacity: .5;
  transition: opacity .28s var(--ease);
}

.page-home .entry:hover,
.page-home .entry:focus-visible{
  transform: translateY(-3px);
  border-color: rgba(53,230,224,.55);
  box-shadow: var(--shadow-lift), 0 0 32px -14px rgba(53,230,224,.6);
  outline: none;
}

.page-home .entry:hover::before,
.page-home .entry:focus-visible::before{ opacity: 1; }

.page-home .entry__no{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-home .entry__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-home .entry__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
  flex: 1;
}

.page-home .entry__go{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .entry__go::after{ content: " →"; }

.page-home .entry-grid__figure{
  grid-column: span 12;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-850);
}

.page-home .entry-grid__figure img{
  width: 100%;
  aspect-ratio: 3 / 2;
}

.page-home .entry-grid__figure figcaption{
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--haze);
}

.page-home [data-filter-item].is-hidden,
.page-home [data-filter-item][hidden]{ display: none; }

/* ---------- 规则速览 ---------- */
.page-home .rules{
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: var(--home-gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-home .rules__frame{
  position: relative;
  padding: clamp(22px, 3.2vw, 40px);
  border: 1px solid rgba(242,184,75,.28);
  border-radius: var(--home-radius);
  background:
    radial-gradient(520px 300px at 96% 0%, rgba(242,184,75,.12), transparent 66%),
    var(--ink-850);
}

.page-home .rules__frame .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}

.page-home .rules__lede{
  max-width: 50ch;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  color: var(--text-dim);
  line-height: 1.8;
}

.page-home .rules__list{
  list-style: none;
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(157,246,241,.14);
}

.page-home .rules__item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  background: var(--ink-850);
}

.page-home .rules__key{
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(242,184,75,.55);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-home .rules__item h3{
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-home .rules__item p{
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-home .rules__media{
  margin: 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-home .rules__media img{
  width: 100%;
  aspect-ratio: 10 / 7;
}

.page-home .rules__media figcaption{
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--haze);
}

/* ---------- 账户设置 ---------- */
.page-home .account{
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: var(--home-gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: stretch;
}

.page-home .account__panel{
  padding: clamp(24px, 3.4vw, 46px);
  border-radius: var(--home-radius);
  background: var(--paper);
  color: var(--brown);
  border: 1px solid rgba(26,18,13,.16);
  box-shadow: var(--shadow-lift);
}

.page-home .account__eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #9c3a25;
  margin: 0 0 12px;
}

.page-home .account h2{
  color: var(--brown);
  margin-bottom: 12px;
}

.page-home .account__lede{
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(26,18,13,.78);
}

.page-home .account__steps{
  list-style: none;
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .account__steps li{
  display: grid;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid rgba(217,85,63,.6);
}

.page-home .account__step{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #9c3a25;
}

.page-home .account__steps p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(26,18,13,.86);
}

.page-home .account__cta{
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--brown);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.page-home .account__cta:hover,
.page-home .account__cta:focus-visible{
  background: #3a271b;
  transform: translateY(-2px);
  outline: 2px solid rgba(26,18,13,.35);
  outline-offset: 3px;
}

.page-home .account__media{
  margin: 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-home .account__media img{
  width: 100%;
  height: 100%;
  aspect-ratio: 10 / 7;
}

.page-home .account__media figcaption{
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--haze);
}

/* ---------- 版本刻度 ---------- */
.page-home .versions{
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: var(--home-gap);
}

.page-home .versions__head .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-home .versions__head .lede{
  max-width: 60ch;
  margin: 0;
  color: var(--text-dim);
  line-height: 1.8;
}

.page-home .versions__track{
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  background: rgba(157,246,241,.16);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .versions__item{
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-900);
  transition: background .25s var(--ease);
  outline: none;
}

.page-home .versions__item::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent 72%);
  opacity: .35;
  transition: opacity .25s var(--ease);
}

.page-home .versions__item:hover,
.page-home .versions__item:focus-visible{
  background: rgba(14,44,85,.9);
}

.page-home .versions__item:hover::before,
.page-home .versions__item:focus-visible::before{ opacity: 1; }

.page-home .versions__item--now{
  background: linear-gradient(155deg, rgba(53,230,224,.14), rgba(7,21,46,.95));
}

.page-home .versions__item--now::before{
  background: linear-gradient(90deg, var(--cyan), var(--amber) 60%, transparent);
  opacity: 1;
}

.page-home .versions__stamp{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--amber);
  margin-bottom: 10px;
}

.page-home .versions__item--now .versions__stamp{ color: var(--cyan); }

.page-home .versions__title{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.page-home .versions__note{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--haze);
  opacity: .82;
  transition: opacity .25s var(--ease), color .25s var(--ease);
}

.page-home .versions__item:hover .versions__note,
.page-home .versions__item:focus-visible .versions__note{
  opacity: 1;
  color: var(--text);
}

/* ---------- 需要帮助 ---------- */
.page-home .help{
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: var(--home-gap);
}

.page-home .help__head .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-home .help__head .lede{
  max-width: 60ch;
  margin: 0;
  color: var(--text-dim);
  line-height: 1.8;
}

.page-home .help__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 20px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .help__card{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(10,29,60,.86);
}

.page-home .help__card--amber{
  border-color: rgba(242,184,75,.4);
  background: linear-gradient(155deg, rgba(242,184,75,.1), rgba(10,29,60,.92));
}

.page-home .help__kicker{
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--haze);
}

.page-home .help__card h3{
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.page-home .help__card p{
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-home .help__mail{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
  word-break: break-all;
}

.page-home .help__link{
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53,230,224,.45);
  padding-bottom: 2px;
}

.page-home .help__link:hover,
.page-home .help__link:focus-visible{
  color: var(--mist);
  border-bottom-color: var(--mist);
  outline: none;
}

.page-home .help__copy{
  align-self: flex-start;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(242,184,75,.6);
  background: transparent;
  color: var(--amber);
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-home .help__copy:hover,
.page-home .help__copy:focus-visible{
  background: var(--amber);
  color: var(--ink-900);
  outline: none;
}

/* ---------- 收束 ---------- */
.page-home .closing{
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: var(--home-gap);
}

.page-home .closing__inner{
  position: relative;
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--home-radius);
  border: 1px solid rgba(53,230,224,.3);
  background:
    radial-gradient(600px 320px at 88% 8%, rgba(53,230,224,.18), transparent 68%),
    radial-gradient(420px 260px at 4% 100%, rgba(217,85,63,.16), transparent 66%),
    var(--ink-800);
  overflow: hidden;
}

.page-home .closing__inner p{
  max-width: 56ch;
  margin: 0 0 22px;
  color: var(--text-dim);
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-home .hero__inner{ grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); }
  .page-home .entry{ grid-column: span 6; }
  .page-home .entry--wide{ grid-column: span 8; }
  .page-home .entry--slim{ grid-column: span 4; }
  .page-home .entry-grid__figure{ grid-column: span 8; }
  .page-home .help__grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .versions__track{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .account{ grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
}

@media (min-width: 1040px){
  .page-home{
    padding-left: calc(var(--rail-w) + clamp(22px, 3vw, 54px));
    padding-top: clamp(22px, 3vw, 40px);
  }

  .page-home .entry{ grid-column: span 5; }
  .page-home .entry--lead{ grid-column: span 7; min-height: 220px; }
  .page-home .entry--wide{ grid-column: span 7; }
  .page-home .entry--slim{ grid-column: span 4; }
  .page-home .entry-grid__figure{ grid-column: span 5; }
  .page-home .entry-grid__figure img{ aspect-ratio: auto; height: 100%; }

  .page-home .rules{ grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
  .page-home .versions__track{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1280px){
  .page-home .hero h1{ font-size: clamp(3rem, 4.4vw, 5rem); }
}

@media (prefers-reduced-motion: reduce){
  .page-home .entry,
  .page-home .versions__item,
  .page-home .account__cta,
  .page-home .filter-btn{ transition: none; }
  .page-home .entry:hover{ transform: none; }
}
<<<END>>>