.page-home{
  --home-gap: clamp(16px, 2.4vw, 30px);
  --home-line: 1px solid rgba(43,245,230,.18);
  --home-card-bg: linear-gradient(165deg, rgba(20,26,59,.94), rgba(6,43,42,.86));
  --home-text-soft: rgba(244,247,255,.8);
  display: block;
  font-family: var(--font-body);
  color: var(--mist);
  background:
    radial-gradient(1100px 620px at 88% -6%, rgba(139,92,246,.28), transparent 62%),
    radial-gradient(900px 540px at 2% 14%, rgba(43,245,230,.14), transparent 68%),
    var(--ink);
}

/* ---------- 首屏 ---------- */
.page-home .home-intro{
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(30px, 5vw, 64px);
  overflow: hidden;
}
.page-home .intro-media{
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: -1;
}
.page-home .intro-media img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(1.3) contrast(1.06);
}
.page-home .intro-media::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(to bottom, rgba(10,6,24,.52) 0 2px, transparent 2px 5px),
    linear-gradient(165deg, rgba(10,6,24,.94), rgba(10,6,24,.6) 55%, rgba(10,6,24,.97));
}
.page-home .intro-shell{
  padding-top: clamp(16px, 3vw, 28px);
}
.page-home .breadcrumbs{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-home .intro-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(18px, 3vw, 30px);
}
.page-home .pod-rail{
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 14px;
  border: var(--home-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(6,43,42,.78), rgba(10,6,24,.42));
}
.page-home .pod-label{
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}
.page-home .pod-card{
  display: grid;
  gap: 2px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  border-left: 3px solid rgba(43,245,230,.5);
  background: rgba(20,26,59,.72);
  color: var(--mist);
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.page-home .pod-card:hover,
.page-home .pod-card:focus-visible{
  transform: translateX(3px);
  border-left-color: var(--orange);
  background: rgba(139,92,246,.26);
}
.page-home .pod-no{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}
.page-home .pod-name{
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
}
.page-home .pod-note{
  font-size: 12px;
  color: var(--muted);
}

.page-home .intro-kicker{
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 13px;
  border: 1px solid rgba(255,201,60,.42);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
}
.page-home h1{
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(29px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--mist);
  text-wrap: balance;
}
.page-home .lead{
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.88;
  color: var(--home-text-soft);
}
.page-home .intro-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 34px);
}
.page-home .intro-toc{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(43,245,230,.2);
}
.page-home .toc-link{
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 3px 12px;
  padding: 13px 6px;
  border-bottom: 1px solid rgba(154,160,200,.14);
  color: var(--mist);
  text-decoration: none;
  transition: background .16s ease, padding-left .16s ease;
}
.page-home .toc-link:hover,
.page-home .toc-link:focus-visible{
  background: linear-gradient(90deg, rgba(43,245,230,.14), transparent 78%);
  padding-left: 14px;
}
.page-home .toc-no{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
  text-shadow: 0 0 12px rgba(255,201,60,.5);
}
.page-home .toc-title{
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.35;
}
.page-home .toc-note{
  grid-column: 2;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-home .chapter{
  padding: clamp(34px, 5.6vw, 76px) 0;
  scroll-margin-top: 92px;
}
.page-home .chapter-head{
  display: grid;
  gap: 10px;
  max-width: 68ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-home .chapter-no{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--gold);
  text-shadow: 0 0 14px rgba(255,201,60,.55);
}
.page-home .chapter-title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--mist);
  text-shadow: 0 0 24px rgba(43,245,230,.22);
}
.page-home .chapter-lead{
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 17px);
  line-height: 1.88;
  color: var(--home-text-soft);
}

/* ---------- 01 横向主题带 ---------- */
.page-home .chapter-band{
  margin-bottom: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 3.6vw, 42px) 0 clamp(34px, 4.6vw, 56px);
  border-top: 1px solid rgba(43,245,230,.3);
  border-bottom: 1px solid rgba(43,245,230,.16);
  background: linear-gradient(102deg, rgba(139,92,246,.34), rgba(43,245,230,.14) 58%, transparent 88%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}
.page-home .band-inner{
  display: grid;
  gap: 10px;
}
.page-home .band-text{
  display: grid;
  gap: 10px;
  max-width: 70ch;
}

.page-home .media-frame{
  margin: 0;
  border: 1px solid rgba(43,245,230,.22);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(6,43,42,.72);
}
.page-home .media-frame img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .room-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}
.page-home .room-card{
  position: relative;
  padding: 17px 16px 16px 20px;
  border: 1px solid rgba(43,245,230,.2);
  border-radius: var(--radius-sm);
  background: var(--home-card-bg);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.page-home .room-card::before{
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(var(--cyan), var(--violet));
  opacity: .8;
}
.page-home .room-card:hover{
  transform: translateY(-3px);
  border-color: rgba(255,122,26,.72);
  box-shadow: 0 18px 34px -24px rgba(255,122,26,.9);
}
.page-home .room-code{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}
.page-home .room-name{
  margin: 4px 0 6px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.page-home .room-desc{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244,247,255,.76);
}

.page-home .legacy-note{
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 2.6vw, 26px);
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px dashed rgba(255,201,60,.36);
  border-radius: var(--radius);
  background: rgba(6,43,42,.62);
}
.page-home .legacy-note h3{
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--gold);
}
.page-home .legacy-note p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--home-text-soft);
}

/* ---------- 02 三步注册 ---------- */
.page-home .start-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: start;
}
.page-home .steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: step;
}
.page-home .step{
  counter-increment: step;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 4px 10px;
  align-items: start;
  padding: 15px 16px;
  border: 1px solid rgba(139,92,246,.32);
  border-radius: var(--radius-sm);
  background: rgba(20,26,59,.64);
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.page-home .step::before{
  content: "0" counter(step);
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: .06em;
  color: var(--orange);
  text-shadow: 0 0 14px rgba(255,122,26,.6);
}
.page-home .step:hover{
  transform: translateX(3px);
  border-color: rgba(255,122,26,.75);
  background: rgba(255,122,26,.1);
}
.page-home .step-title{
  margin: 0;
  grid-column: 2;
  font-size: 16.5px;
  font-weight: 700;
}
.page-home .step-text{
  margin: 0;
  grid-column: 2;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244,247,255,.76);
}

.page-home .member-strip{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}
.page-home .member-card{
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid rgba(43,245,230,.2);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  background: rgba(10,6,24,.5);
}
.page-home .member-card h3{
  margin: 0;
  font-size: 17px;
  color: var(--mist);
}
.page-home .member-card p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--home-text-soft);
}
.page-home .member-card .btn{
  justify-self: start;
}

/* ---------- 03 练局专题 ---------- */
.page-home .practice-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: start;
}
.page-home .practice-body{
  display: grid;
  gap: 14px;
}
.page-home .issue-head{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-home .issue-no{
  padding: 5px 13px;
  border: 1px solid rgba(255,201,60,.55);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--gold);
  text-shadow: 0 0 16px rgba(255,201,60,.65);
}
.page-home .issue-tag{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.page-home .board-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .board-list li{
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 3px 10px;
  padding: 12px 14px;
  border-left: 2px solid rgba(43,245,230,.45);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(20,26,59,.52);
}
.page-home .board-no{
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet);
}
.page-home .board-list b{
  font-size: 15px;
  color: var(--mist);
}
.page-home .board-list span:last-child{
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244,247,255,.74);
}

.page-home .room-filter{
  position: relative;
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(16px, 2.4vw, 24px);
  border: var(--home-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(6,43,42,.7), rgba(10,6,24,.5));
}
.page-home .filter-label{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-home .rf-input{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-home .filter-chips{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-home .filter-chips label.chip{
  cursor: pointer;
  user-select: none;
}
.page-home #prf-all:checked ~ .filter-chips label[for="prf-all"],
.page-home #prf-fish:checked ~ .filter-chips label[for="prf-fish"],
.page-home #prf-fight:checked ~ .filter-chips label[for="prf-fight"],
.page-home #prf-coop:checked ~ .filter-chips label[for="prf-coop"]{
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 700;
}
.page-home .filter-panel{
  display: none;
  margin-top: 14px;
  padding: 15px 17px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(20,26,59,.66);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--home-text-soft);
}
.page-home #prf-all:checked ~ .filter-panels .filter-panel[data-panel="all"],
.page-home #prf-fish:checked ~ .filter-panels .filter-panel[data-panel="fish"],
.page-home #prf-fight:checked ~ .filter-panels .filter-panel[data-panel="fight"],
.page-home #prf-coop:checked ~ .filter-panels .filter-panel[data-panel="coop"]{
  display: block;
}

.page-home .issue-list{
  margin-top: clamp(18px, 2.6vw, 26px);
  padding: 2px 16px 14px;
  border: var(--home-line);
  border-radius: var(--radius-sm);
  background: rgba(10,6,24,.46);
}
.page-home .issue-list summary{
  padding: 13px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}
.page-home .issue-list summary::-webkit-details-marker{
  display: none;
}
.page-home .issue-list summary::before{
  content: "+ ";
  font-family: var(--font-mono);
  color: var(--gold);
}
.page-home .issue-list[open] summary::before{
  content: "− ";
}
.page-home .issue-list ol{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
.page-home .issue-list li{
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(154,160,200,.2);
  font-size: 13.5px;
  color: rgba(244,247,255,.78);
}
.page-home .issue-list li .mono{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  white-space: nowrap;
}

/* ---------- 04 规则与赛季 ---------- */
.page-home .rule-season-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: start;
}
.page-home .rule-card{
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid rgba(43,245,230,.24);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(6,43,42,.86), rgba(20,26,59,.7));
}
.page-home .rule-card h3{
  margin: 0;
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--mist);
}
.page-home .rule-card p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--home-text-soft);
}
.page-home .tag-row{
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.page-home .tag-row .tag{
  border: 1px solid rgba(139,92,246,.5);
  border-radius: 999px;
  padding: 3px 11px;
  font-size: 12.5px;
  color: var(--violet);
}
.page-home .rule-card .btn{
  justify-self: start;
}

.page-home .season-panel{
  display: grid;
  gap: 14px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid rgba(255,201,60,.28);
  border-radius: var(--radius);
  background: linear-gradient(200deg, rgba(139,92,246,.2), rgba(10,6,24,.62));
}
.page-home .season-head{
  display: grid;
  gap: 8px;
}
.page-home .season-head p{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244,247,255,.76);
}
.page-home .season-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .season-block{
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--cyan);
  background: rgba(20,26,59,.72);
  transition: background .18s ease, transform .18s ease;
}
.page-home .season-block:hover{
  transform: translateX(3px);
  background: rgba(43,245,230,.14);
}
.page-home .season-block h3{
  margin: 0;
  font-size: 16px;
  color: var(--mist);
}
.page-home .season-block p{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244,247,255,.76);
}
.page-home .season-phase{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
  opacity: .55;
  transition: opacity .18s ease;
}
.page-home .season-block:hover .season-phase{
  opacity: 1;
}
.page-home .season-block.sb-cyan{
  border-left-color: var(--cyan);
}
.page-home .season-block.sb-violet{
  border-left-color: var(--violet);
}
.page-home .season-block.sb-violet:hover{
  background: rgba(139,92,246,.2);
}
.page-home .season-block.sb-gold{
  border-left-color: var(--gold);
}
.page-home .season-block.sb-gold:hover{
  background: rgba(255,201,60,.14);
}

/* ---------- 05 服务信息条 ---------- */
.page-home .service-title{
  margin-bottom: clamp(16px, 2.4vw, 24px);
}
.page-home .service-strip{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: var(--home-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(43,245,230,.16);
}
.page-home .service-item{
  padding: 16px 18px;
  background: rgba(10,6,24,.86);
}
.page-home .service-k{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-home .service-v{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--home-text-soft);
}
.page-home .service-v a{
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(43,245,230,.5);
  word-break: break-all;
  transition: color .16s ease, border-color .16s ease;
}
.page-home .service-v a:hover,
.page-home .service-v a:focus-visible{
  color: var(--cyan);
  border-bottom-color: var(--orange);
}
.page-home .service-v .mono{
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-home .service-cta{
  display: grid;
  gap: 12px;
  margin-top: clamp(16px, 2.4vw, 24px);
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius);
  border: 1px solid rgba(255,122,26,.4);
  background: linear-gradient(100deg, rgba(255,122,26,.16), rgba(10,6,24,.6));
}
.page-home .service-cta p{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-home .service-cta .btn{
  justify-self: start;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px){
  .page-home .toc-link{
    grid-template-columns: 56px minmax(0, 1fr) minmax(0, .95fr);
    align-items: baseline;
  }
  .page-home .toc-note{
    grid-column: auto;
    text-align: right;
  }
  .page-home .room-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .member-strip{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .issue-list ol{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .service-strip{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-home .intro-grid{
    grid-template-columns: minmax(230px, .78fr) minmax(0, 1.62fr);
    align-items: start;
  }
  .page-home .band-inner{
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px 26px;
    align-items: start;
  }
  .page-home .room-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .legacy-note{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-home .start-grid{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
  .page-home .practice-grid{
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.1fr);
  }
  .page-home .rule-season-grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-home .service-strip{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .service-cta{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-home .service-cta .btn{
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home .pod-card,
  .page-home .room-card,
  .page-home .step,
  .page-home .season-block,
  .page-home .toc-link,
  .page-home .season-phase,
  .page-home .service-v a{
    transition: none;
  }
  .page-home .pod-card:hover,
  .page-home .room-card:hover,
  .page-home .step:hover,
  .page-home .season-block:hover,
  .page-home .toc-link:hover{
    transform: none;
  }
}
<<<END>>>