.page-home{
  background: var(--c-deep);
  color: var(--c-ice);
  overflow-x: hidden;
}

/* ---------- 首屏封面 ---------- */
.page-home .hero{
  position: relative;
  padding: clamp(38px, 6vw, 88px) 0 clamp(26px, 4vw, 44px);
  background:
    radial-gradient(120% 92% at 88% -10%, rgba(53,230,210,.16), transparent 62%),
    radial-gradient(80% 60% at 4% 100%, rgba(255,90,60,.10), transparent 70%),
    linear-gradient(180deg, var(--c-deep-2), var(--c-deep));
  isolation: isolate;
}
.page-home .hero::before{
  content:"";
  position:absolute; inset:0; z-index:0;
  background-image: linear-gradient(rgba(46,111,183,.16) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(46,111,183,.16) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 60%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 60%, transparent 100%);
  pointer-events:none;
}
.page-home .hero::after{
  content:"";
  position:absolute; inset:0; z-index:0;
  background-image: repeating-linear-gradient(180deg, rgba(234,242,250,.045) 0 1px, transparent 1px 7px);
  pointer-events:none;
}
.page-home .hero__grid{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}
.page-home .hero__lead{ max-width: 44rem; }
.page-home .hero__title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 6.4vw, 88px);
  line-height: 1.03;
  letter-spacing: -.02em;
  margin: 14px 0 22px;
  color: var(--c-ice);
  text-wrap: balance;
}
.page-home .hero__title::after{
  content:"";
  display:block;
  width: 88px;
  height: 6px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-signal));
}
.page-home .hero__lede{
  margin: 0;
  max-width: 36em;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.85;
  color: rgba(234,242,250,.78);
}
.page-home .hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(24px, 3vw, 34px) 0 0;
}
.page-home .hero__shot{
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16,42,71,.9), rgba(6,19,35,.95));
  box-shadow: 0 22px 50px -34px rgba(0,0,0,.9);
}
.page-home .hero__shot img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .hero__shot .media__cap{
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--c-graphite);
  letter-spacing: .06em;
}

/* 首屏下沿数据脉冲带 */
.page-home .pulse{
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(32px, 5vw, 60px) 0 0;
  padding: clamp(16px, 2.2vw, 24px) 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-home .pulse__item{
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-home .pulse__num{
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-cyan);
}
.page-home .pulse__item:nth-child(2) .pulse__num{ color: var(--c-signal); }
.page-home .pulse__lab{
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-graphite);
}

/* ---------- 01 当日联赛 ---------- */
.page-home .chips{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 2.6vw, 30px) 0 clamp(20px, 2.6vw, 28px);
}
.page-home .board{
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
  grid-template-columns: minmax(0,1fr);
}
.page-home .board__card{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 156px;
  padding: clamp(18px, 2vw, 24px);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(16,42,71,.92), rgba(8,24,44,.94));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.page-home .board__card:hover{
  border-color: var(--line-strong);
  transform: translateY(-3px);
}
.page-home .board__card .card__pulse{ position: absolute; top: 16px; right: 16px; }
.page-home .board__name{
  margin: 0;
  padding-right: 28px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-ice);
}
.page-home .board__count{
  margin: auto 0 0;
  font-size: clamp(28px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-ice);
  line-height: 1.1;
}
.page-home .board__count span{
  font-size: 13px;
  margin-left: 5px;
  color: var(--c-graphite);
}
.page-home .board__meta{
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-cyan);
  transition: color .25s var(--ease);
}
.page-home .board__card:hover .board__meta{ color: var(--c-ice); }

/* ---------- 02 联赛切换 ---------- */
.page-home .switch{
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}
.page-home .switch__shot{
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--c-panel-2);
}
.page-home .switch__shot img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .switch__shot .media__cap{
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--c-graphite);
  letter-spacing: .06em;
}
.page-home .paths{
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}
.page-home .paths__item{
  display: grid;
  grid-template-columns: 82px minmax(0,1fr);
  gap: 16px;
  padding-bottom: clamp(14px, 2vw, 20px);
  border-bottom: 1px dashed var(--line-soft);
}
.page-home .paths__item:last-child{ border-bottom: 0; padding-bottom: 0; }
.page-home .paths__k{
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-cyan);
  padding-top: 4px;
}
.page-home .paths__item p{
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(234,242,250,.76);
}

/* ---------- 03 订阅与资料库 ---------- */
.page-home .subs{
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}
.page-home .subs__card{
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.6vw, 32px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--c-cyan);
  background: linear-gradient(170deg, rgba(16,42,71,.94), rgba(8,24,44,.96));
}
.page-home .subs__card:nth-child(2){ border-top-color: var(--c-signal); }
.page-home .subs__card h3{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-ice);
}
.page-home .subs__card > p{
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(234,242,250,.76);
}
.page-home .subs__list{
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-home .subs__list li{
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.65;
  color: rgba(234,242,250,.86);
}
.page-home .subs__list .mono{
  flex: 0 0 auto;
  min-width: 62px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-cyan);
}
.page-home .subs__card .btn{
  align-self: flex-start;
  margin-top: auto;
}
.page-home .subs__shot{
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--c-panel-2);
}
.page-home .subs__shot img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 04 V4BSPORT ---------- */
.page-home .tool__shot{
  margin: 0 0 clamp(24px, 3vw, 38px);
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--c-panel-2);
}
.page-home .tool__shot img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .tool__shot .media__cap{
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--c-graphite);
  letter-spacing: .06em;
}
.page-home .tool__stats{
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  grid-template-columns: minmax(0,1fr);
}
.page-home .stat{
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--c-cyan);
}
.page-home .stat--signal{ border-left-color: var(--c-signal); }
.page-home .stat--signal .stat__num{ color: var(--c-signal); }
.page-home .stat__num{
  display: block;
  font-size: clamp(26px, 2.9vw, 38px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--c-ice);
}
.page-home .stat p{
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-graphite);
}

/* ---------- 05 平台规模 ---------- */
.page-home .scale{
  border-top: 1px solid var(--line);
}
.page-home .scale__row{
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: baseline;
  gap: 18px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .scale__label{
  font-size: 16px;
  line-height: 1.6;
  color: rgba(234,242,250,.8);
  min-width: 0;
}
.page-home .scale__value{
  font-size: clamp(24px, 2.7vw, 36px);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.1;
  color: var(--c-cyan);
  white-space: nowrap;
}
.page-home .scale__row:nth-child(2) .scale__value{ color: var(--c-ice); }
.page-home .scale__row:nth-child(3) .scale__value{ color: var(--c-signal); }
.page-home .scale__value em{
  font-style: normal;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  margin-left: 6px;
  color: var(--c-graphite);
}

/* ---------- 06 修订记录 ---------- */
.page-home .log{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .log__item{
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .log__item:first-child{ border-top: 1px solid var(--line); }
.page-home .log__time{
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-signal);
}
.page-home .log__text{
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(234,242,250,.82);
}

/* ---------- 07 开始用起来 ---------- */
.page-home .start{
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  grid-template-columns: minmax(0,1fr);
}
.page-home .start__card{
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 44px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(16,42,71,.86), rgba(8,24,44,.92));
  color: var(--c-ice);
  text-decoration: none;
  transition: border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}
.page-home .start__card:hover,
.page-home .start__card:focus-visible{
  border-color: var(--line-strong);
  transform: translateY(-3px);
  background: linear-gradient(165deg, rgba(16,42,71,1), rgba(8,24,44,1));
}
.page-home .start__card h3{
  margin: 0;
  font-size: clamp(18px, 1.7vw, 22px);
  font-weight: 700;
  color: var(--c-ice);
}
.page-home .start__card p{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234,242,250,.74);
}
.page-home .start__go{
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-cyan);
}
.page-home .start__foot{
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-graphite);
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px){
  .page-home .paths__item{ grid-template-columns: minmax(0,1fr); gap: 6px; }
  .page-home .paths__k{ padding-top: 0; }
  .page-home .subs__shot{ max-width: 300px; }
}

@media (min-width: 760px){
  .page-home .pulse{ grid-template-columns: repeat(4, minmax(0,1fr)); }
  .page-home .board{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .page-home .tool__stats{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (min-width: 820px){
  .page-home .log__item{
    grid-template-columns: 170px minmax(0,1fr);
    gap: 26px;
    align-items: baseline;
  }
  .page-home .start{ grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (min-width: 960px){
  .page-home .hero__grid{
    grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr);
  }
  .page-home .switch{
    grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr);
  }
}

@media (min-width: 1040px){
  .page-home .subs{
    grid-template-columns: minmax(0,1fr) minmax(0,1fr) minmax(180px,230px);
    align-items: start;
  }
}

@media (min-width: 1140px){
  .page-home .board{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .page-home .tool__stats{ grid-template-columns: repeat(4, minmax(0,1fr)); }
}

@media (prefers-reduced-motion: reduce){
  .page-home .board__card,
  .page-home .start__card{ transition: none; }
  .page-home .board__card:hover,
  .page-home .start__card:hover{ transform: none; }
}
</main>