.page-home {
  --home-band-pad: clamp(3rem, 7vw, 6rem);
  background: var(--void);
  color: var(--bright);
  overflow-x: hidden;
}

.page-home .shell {
  width: min(100% - 2 * var(--gutter), var(--shell));
  margin-inline: auto;
}

.page-home .section-head {
  display: grid;
  gap: 0.75rem;
  max-width: 62ch;
}

.page-home .section-head--tight {
  max-width: 52ch;
}

.page-home .section-head__lede {
  margin: 0;
  color: var(--slate);
  font-size: 17px;
  line-height: 1.75;
}

/* ---------- 01 封面 ---------- */
.home-cover {
  position: relative;
  padding-block: clamp(2rem, 5vw, 4rem) var(--home-band-pad);
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(41, 224, 208, 0.14), transparent 58%),
    radial-gradient(90% 70% at 12% 96%, rgba(255, 106, 22, 0.16), transparent 62%),
    var(--void);
  border-bottom: 1px solid var(--line);
}

.home-cover__grid {
  display: grid;
  gap: calc(var(--gap) * 1.4);
  grid-template-columns: 1fr;
}

.cover-index {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  padding: 1.25rem 1.1rem;
  background: var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.cover-index__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.cover-index__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--bright);
}

.cover-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
  border-top: 1px solid var(--line);
}

.cover-index__list li {
  border-bottom: 1px solid var(--line);
}

.cover-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0.15rem;
  color: var(--slate);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}

.cover-index__list a .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.cover-index__list a:hover,
.cover-index__list a:focus-visible {
  color: var(--bright);
  transform: translateX(2px);
}

.cover-index__note {
  margin: 0;
  color: var(--slate);
  font-size: 0.82rem;
  line-height: 1.7;
}

.cover-main {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.cover-main__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

.cover-main__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 8.5vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--bright);
  animation: home-rise 0.6s var(--ease) both;
}

@keyframes home-rise {
  from { opacity: 0; transform: translate(-14px, 14px); }
  to { opacity: 1; transform: translate(0, 0); }
}

.cover-main__lede {
  margin: 0;
  max-width: 56ch;
  color: var(--slate);
  font-size: 1.05rem;
  line-height: 1.8;
}

.cover-scores {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.score-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.5rem 0.85rem;
  padding: 0.9rem 1rem 1.15rem;
  background: var(--deep);
  transition: background 0.25s var(--ease);
}

.score-item:hover {
  background: #142347;
}

.score-item__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  font-weight: 700;
  color: var(--orange);
  text-shadow: 0 0 22px rgba(255, 106, 22, 0.35);
  line-height: 1;
}

.score-item__unit {
  color: var(--slate);
  font-size: 0.92rem;
}

.score-item__bar {
  grid-column: 1 / -1;
  display: block;
  height: 3px;
  background: rgba(41, 224, 208, 0.16);
  position: relative;
  overflow: hidden;
}

.score-item__bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 0.5s var(--ease);
}

.score-item:nth-child(1) .score-item__bar::after { --p: 74%; }
.score-item:nth-child(2) .score-item__bar::after { --p: 88%; }
.score-item:nth-child(3) .score-item__bar::after { --p: 62%; }

.score-item:hover .score-item__bar::after,
.score-item:focus-within .score-item__bar::after {
  width: var(--p);
}

.cover-main__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cover-main__figure {
  margin: 0;
}

.home-cover .figure,
.chain-band .figure,
.subscribe-band .figure,
.adapt-band .figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--deep);
}

.home-cover .figure__media,
.chain-band .figure__media,
.subscribe-band .figure__media,
.adapt-band .figure__media {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .figure--4-3 { aspect-ratio: 4 / 3; }
.page-home .figure--3-4 { aspect-ratio: 3 / 4; }
.page-home .figure--16-9 { aspect-ratio: 16 / 9; }

.page-home .figure__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 0.5rem 0.85rem;
  background: rgba(6, 11, 24, 0.82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ---------- 02 数据链路 ---------- */
.chain-band {
  position: relative;
  isolation: isolate;
  padding-block: var(--home-band-pad);
  background: var(--void);
  border-bottom: 1px solid var(--line);
}

.chain-band__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
}

.chain-band__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.chain-band__inner {
  display: grid;
  gap: 2.25rem;
}

.chain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: chain;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.chain-item {
  position: relative;
  display: grid;
  gap: 0.4rem;
  padding: 1.3rem 1.2rem 1.5rem 1.2rem;
  background: rgba(15, 27, 54, 0.92);
}

.chain-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
}

.chain-item__time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.chain-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  transform: skewX(-2deg);
  color: var(--bright);
}

.chain-item__text {
  margin: 0;
  color: var(--slate);
  font-size: 0.98rem;
  line-height: 1.75;
}

/* ---------- 03 球队订阅 ---------- */
.subscribe-band {
  padding-block: var(--home-band-pad);
  background: var(--cream);
  color: var(--umber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - clamp(1.5rem, 4vw, 3rem)), 0 100%);
}

.subscribe-band__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.subscribe-band .figure {
  border-color: rgba(36, 22, 16, 0.22);
  background: var(--umber);
}

.subscribe-band__body {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.subscribe-band__title,
.subscribe-band .cover-index__title {
  margin: 0;
}

.subscribe-band .h-slant {
  color: var(--umber);
}

.subscribe-band__lede {
  margin: 0;
  color: #4a3627;
  font-size: 1.02rem;
  line-height: 1.8;
}

.metric-grid {
  display: grid;
  gap: 1px;
  background: rgba(36, 22, 16, 0.2);
  border: 1px solid rgba(36, 22, 16, 0.2);
}

.metric {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--bright);
}

.metric__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.metric__name {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--umber);
}

.metric__desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: #5a4433;
}

.control-ring {
  display: grid;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  background: var(--bright);
  border: 1px solid rgba(36, 22, 16, 0.2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.control-ring__dial {
  position: relative;
  width: 148px;
  height: 148px;
  margin-inline: auto;
  border-radius: 50%;
  background: conic-gradient(var(--orange) 0 58%, rgba(36, 22, 16, 0.14) 58% 100%);
  display: grid;
  place-items: center;
}

.control-ring__dial::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: var(--bright);
}

.control-ring__center {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 700;
  color: var(--umber);
}

.control-ring__center small {
  font-size: 0.9rem;
  margin-left: 2px;
}

.control-ring__legend {
  display: grid;
  gap: 0.35rem;
}

.control-ring__legend-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.92rem;
  color: var(--umber);
}

.page-home .dot--orange { background: var(--orange); box-shadow: 0 0 0 3px rgba(255, 106, 22, 0.2); }
.page-home .dot--cyan { background: var(--cyan); box-shadow: 0 0 0 3px rgba(41, 224, 208, 0.2); }

.control-ring__caption {
  margin: 0.4rem 0 0;
  font-size: 0.78rem;
  color: #6a5340;
  line-height: 1.6;
}

.subscribe-band .btn--primary {
  justify-self: start;
}

/* ---------- 04 适配速览 ---------- */
.adapt-band {
  padding-block: var(--home-band-pad);
  background: var(--deep);
  border-bottom: 1px solid var(--line);
}

.adapt-band__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.adapt-band__body {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.adapt-band__title {
  margin: 0;
  color: var(--bright);
}

.adapt-band__lede {
  margin: 0;
  color: var(--slate);
  font-size: 1.02rem;
  line-height: 1.8;
}

.adapt-panel {
  display: grid;
  gap: 1rem;
  padding: 1.15rem;
  background: rgba(6, 11, 24, 0.6);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.adapt-panel__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.adapt-panel__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.adapt-panel__chip {
  display: inline-block;
  padding: 0.36rem 0.75rem;
  border: 1px solid var(--line);
  color: var(--slate);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.adapt-panel__chip:hover {
  color: var(--bright);
  border-color: var(--cyan);
}

#adapt-all:checked ~ .adapt-panel__chips label[for="adapt-all"],
#adapt-flagship:checked ~ .adapt-panel__chips label[for="adapt-flagship"],
#adapt-mid:checked ~ .adapt-panel__chips label[for="adapt-mid"],
#adapt-tab:checked ~ .adapt-panel__chips label[for="adapt-tab"],
#adapt-web:checked ~ .adapt-panel__chips label[for="adapt-web"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--void);
}

#adapt-all:focus-visible ~ .adapt-panel__chips label[for="adapt-all"],
#adapt-flagship:focus-visible ~ .adapt-panel__chips label[for="adapt-flagship"],
#adapt-mid:focus-visible ~ .adapt-panel__chips label[for="adapt-mid"],
#adapt-tab:focus-visible ~ .adapt-panel__chips label[for="adapt-tab"],
#adapt-web:focus-visible ~ .adapt-panel__chips label[for="adapt-web"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

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

.adapt-list__item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 0.75rem;
  padding: 0.95rem 1rem;
  background: var(--deep);
}

.adapt-list__name {
  font-weight: 600;
  color: var(--bright);
  font-size: 0.98rem;
}

.adapt-list__state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px dashed rgba(41, 224, 208, 0.55);
  padding: 0.14rem 0.45rem;
  align-self: start;
}

.adapt-list__state--warn {
  color: var(--magenta);
  border-color: rgba(255, 46, 126, 0.6);
}

.adapt-list__note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--slate);
  font-size: 0.87rem;
  line-height: 1.65;
}

#adapt-flagship:checked ~ .adapt-list .adapt-list__item:not([data-cat="flagship"]),
#adapt-mid:checked ~ .adapt-list .adapt-list__item:not([data-cat="mid"]),
#adapt-tab:checked ~ .adapt-list .adapt-list__item:not([data-cat="tab"]),
#adapt-web:checked ~ .adapt-list .adapt-list__item:not([data-cat="web"]) {
  display: none;
}

.adapt-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.adapt-band__figure {
  margin: 0;
}

/* ---------- 05 恢复三步 ---------- */
.fix-band {
  padding-block: var(--home-band-pad);
  background: var(--void);
  border-bottom: 1px solid var(--line);
}

.fix-band__inner {
  display: grid;
  gap: 2.25rem;
}

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

.fix-step {
  position: relative;
  display: grid;
  gap: 0.4rem;
  padding: 1.3rem 1.2rem 1.5rem;
  background: var(--deep);
}

.fix-step__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  color: var(--magenta);
}

.fix-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  transform: skewX(-2deg);
  color: var(--bright);
}

.fix-step__text {
  margin: 0;
  color: var(--slate);
  font-size: 0.96rem;
  line-height: 1.75;
}

.fix-band__cta {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  background: linear-gradient(120deg, rgba(255, 46, 126, 0.14), rgba(41, 224, 208, 0.1));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.fix-band__cta-text {
  margin: 0;
  max-width: 60ch;
  color: var(--bright);
  font-size: 1rem;
  line-height: 1.75;
}

.fix-band__cta .btn {
  justify-self: start;
}

/* ---------- 06 赛季专题 ---------- */
.topics-band {
  padding-block: var(--home-band-pad);
  background: var(--void);
  border-bottom: 1px solid var(--line);
}

.topics-band__head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.topics-band__head .h-slant {
  margin: 0;
  max-width: 30ch;
}

.topics-rail {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 var(--gutter) 1.25rem;
  margin: 0;
  -webkit-overflow-scrolling: touch;
}

.topics-rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.topic-card {
  flex: 0 0 clamp(240px, 74vw, 320px);
  scroll-snap-align: start;
  display: grid;
  gap: 0.65rem;
  align-content: start;
  padding: 1.25rem;
  background: var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(41, 224, 208, 0.55);
}

.topic-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.topic-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  transform: skewX(-2deg);
  color: var(--bright);
  line-height: 1.35;
}

.topic-card__text {
  margin: 0;
  color: var(--slate);
  font-size: 0.9rem;
  line-height: 1.7;
}

.topic-card__link {
  justify-self: start;
  color: var(--cyan);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 224, 208, 0.5);
  padding-bottom: 2px;
}

.topic-card__link:hover {
  color: var(--bright);
  border-color: var(--bright);
}

/* ---------- 07 开始关注 ---------- */
.start-band {
  padding-block: var(--home-band-pad) calc(var(--home-band-pad) + 1rem);
  background:
    radial-gradient(80% 120% at 90% 10%, rgba(255, 106, 22, 0.18), transparent 62%),
    var(--void);
}

.start-band__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  align-items: start;
}

.start-band__body {
  display: grid;
  gap: 1.1rem;
}

.start-band__title {
  margin: 0;
  color: var(--bright);
}

.start-band__lede {
  margin: 0;
  max-width: 54ch;
  color: var(--slate);
  font-size: 1.03rem;
  line-height: 1.8;
}

.start-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.start-band__aside {
  display: grid;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.start-band__aside-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.start-band__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.start-band__links a {
  color: var(--bright);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
  display: block;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.start-band__links a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .chain-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .control-ring {
    grid-template-columns: auto 1fr;
  }
  .control-ring__dial {
    margin-inline: 0;
  }
}

@media (min-width: 900px) {
  .home-cover__grid {
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gap);
    row-gap: calc(var(--gap) * 1.6);
  }
  .cover-index {
    grid-column: 1 / 4;
    grid-row: 1;
  }
  .cover-main {
    grid-column: 4 / -1;
    grid-row: 1;
  }
  .chain-list {
    grid-template-columns: repeat(4, 1fr);
  }
  .chain-item {
    padding: 1.6rem 1.2rem 1.9rem;
  }
  .subscribe-band__grid {
    grid-template-columns: 4fr 7fr;
    column-gap: calc(var(--gap) * 1.5);
    align-items: start;
  }
  .subscribe-band__figure {
    grid-column: 1 / 2;
  }
  .subscribe-band__body {
    grid-column: 2 / 3;
  }
  .adapt-band__grid {
    grid-template-columns: 7fr 5fr;
    column-gap: calc(var(--gap) * 1.5);
    align-items: start;
  }
  .fix-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .fix-band__cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
  .start-band__grid {
    grid-template-columns: 7fr 4fr;
    column-gap: calc(var(--gap) * 1.5);
  }
}

@media (min-width: 1100px) {
  .topic-card {
    flex-basis: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cover-main__title {
    animation: none;
  }
  .page-home .score-item__bar::after,
  .page-home .topic-card,
  .page-home .cover-index__list a {
    transition: none;
  }
  .page-home .score-item:hover .score-item__bar::after,
  .page-home .score-item:focus-within .score-item__bar::after {
    width: 0;
  }
}
</main>