.page-home {
  --home-gap: clamp(16px, 2.2vw, 30px);
  --home-pad-y: clamp(52px, 8vw, 96px);
  --home-glow-soft: 0 0 14px rgba(169, 123, 255, .38);
  --home-cyan-soft: 0 0 12px rgba(55, 230, 217, .32);
}

/* ---------- 上下文条 ---------- */
.page-home .ctx {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-home .ctx__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--neon-soft);
  box-shadow: var(--home-glow-soft);
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(34px, 6vw, 70px);
}

.page-home .hero__frame {
  position: relative;
  padding: clamp(20px, 3.2vw, 48px);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(109, 59, 245, .16), rgba(8, 6, 15, 0) 56%),
    var(--ink-850);
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: min(66%, 940px);
  height: 100%;
  object-fit: cover;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 32%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 32%, #000 82%, transparent);
}

.page-home .hero__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--neon-soft);
  opacity: .75;
  pointer-events: none;
}

.page-home .hero__corner--tl { top: 9px; left: 9px; border-right: 0; border-bottom: 0; }
.page-home .hero__corner--tr { top: 9px; right: 9px; border-left: 0; border-bottom: 0; }
.page-home .hero__corner--bl { bottom: 9px; left: 9px; border-right: 0; border-top: 0; }
.page-home .hero__corner--br { bottom: 9px; right: 9px; border-left: 0; border-top: 0; }

.page-home .hero__intro {
  position: relative;
  z-index: 2;
  max-width: 46ch;
}

.page-home .hero__intro h1 {
  margin: 14px 0 0;
  font-size: var(--fs-display);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-home .hero__desc {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 26px;
}

.page-home .hero__body {
  position: relative;
  z-index: 2;
  margin-top: clamp(28px, 3.6vw, 46px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .hero__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
}

.page-home .hero__head-note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

/* 通道列 */
.page-home .lane-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .lane {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-home .lane.is-filtered {
  display: none;
}

.page-home .lane__link {
  display: grid;
  grid-template-columns: 30px 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 6px;
  color: var(--text);
  text-decoration: none;
  transition: background-color .12s var(--ease), color .12s var(--ease);
}

.page-home .lane__link:hover,
.page-home .lane__link:focus-visible {
  background: rgba(109, 59, 245, .16);
  color: var(--white);
}

.page-home .lane__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

.page-home .lane__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: var(--home-glow-soft);
}

.page-home .lane__name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-home .lane__state {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  padding: 2px 7px;
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: opacity .12s var(--ease);
}

.page-home .lane__state--on {
  border-color: rgba(55, 230, 217, .55);
  color: var(--cyan);
  box-shadow: var(--home-cyan-soft);
}

.page-home .lane__boards {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  opacity: 0;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--neon-soft);
  white-space: nowrap;
  transition: opacity .12s var(--ease);
}

.page-home .lane__boards::after {
  content: attr(data-boards);
}

.page-home .lane:hover .lane__boards,
.page-home .lane:focus-within .lane__boards {
  opacity: 1;
}

.page-home .lane:hover .lane__state,
.page-home .lane:focus-within .lane__state {
  opacity: 0;
}

/* 标签墙 */
.page-home .tagwall {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  background: rgba(18, 12, 34, .74);
}

.page-home .tagwall__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .tagwall__row--warm .tagwall__btn { opacity: .72; }
.page-home .tagwall__row--cool .tagwall__btn { opacity: .48; }

.page-home .tagwall__btn {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(28, 18, 54, .82);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  line-height: 1;
  cursor: pointer;
  transition: opacity .12s var(--ease), border-color .12s var(--ease),
              color .12s var(--ease), box-shadow .12s var(--ease), transform .12s var(--ease);
}

.page-home .tagwall .tagwall__btn:hover,
.page-home .tagwall .tagwall__btn:focus-visible {
  opacity: 1;
  border-color: var(--neon);
  color: var(--white);
  box-shadow: var(--home-glow-soft);
  transform: translateY(-1px);
  outline: none;
}

.page-home .tagwall__btn[aria-pressed="true"] {
  opacity: 1;
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--home-cyan-soft);
}

/* ---------- 通用段落头 ---------- */
.page-home .sec-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-home .sec-head__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neon-soft);
  text-shadow: var(--home-glow-soft);
}

.page-home .sec-head h2 {
  margin: 12px 0 0;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-home .sec-head__desc {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 板块速览 ---------- */
.page-home .boards {
  padding: var(--home-pad-y) 0;
  background: linear-gradient(180deg, rgba(18, 12, 34, .82), rgba(8, 6, 15, 0) 78%);
}

.page-home .band {
  position: relative;
  padding: clamp(18px, 2.4vw, 32px);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, rgba(42, 27, 77, .18) 0 2px, transparent 2px 10px),
    rgba(18, 12, 34, .8);
}

.page-home .band + .band {
  margin-top: var(--home-gap);
}

.page-home .band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 30px);
}

.page-home .band__side {
  border-left: 2px solid var(--neon);
  padding-left: 14px;
}

.page-home .band__side--end {
  border-left: 0;
  border-right: 2px solid var(--neon);
  padding-left: 0;
  padding-right: 14px;
  text-align: right;
}

.page-home .band__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-shadow: var(--home-cyan-soft);
}

.page-home .band__title {
  margin: 6px 0 0;
  font-size: var(--fs-h3);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-home .band__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-home .band__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 26px);
}

.page-home .board {
  padding-top: 14px;
  border-top: 1px solid rgba(109, 59, 245, .55);
}

.page-home .board__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--neon-soft);
}

.page-home .board__title {
  margin: 8px 0 0;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-home .board__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .band__foot {
  margin-top: clamp(18px, 2.2vw, 26px);
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-home .band__foot--end {
  text-align: right;
}

.page-home .boards__media {
  margin: clamp(24px, 3.4vw, 42px) 0;
}

/* ---------- 常驻与排序 ---------- */
.page-home .pinned {
  padding: var(--home-pad-y) 0;
  background: var(--ink-850);
}

.page-home .pinned__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
}

.page-home .pinned__main h2 {
  margin: 12px 0 0;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-home .pinned__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text);
}

.page-home .pinned__list {
  list-style: none;
  margin: clamp(22px, 2.8vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-home .pinned__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 14px;
  background: var(--ink-700);
  border-left: 2px solid var(--neon);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-home .pinned__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--neon-soft);
}

.page-home .pinned__tail {
  margin: 22px 0 16px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .pinned__media {
  margin: 0;
}

/* ---------- 用着放心 ---------- */
.page-home .assure {
  padding: var(--home-pad-y) 0;
}

.page-home .assure__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .assure__card {
  padding: clamp(20px, 2.6vw, 34px);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .assure__card--rules {
  border-color: rgba(109, 59, 245, .55);
  background: linear-gradient(150deg, rgba(109, 59, 245, .26), rgba(18, 12, 34, .92) 68%);
}

.page-home .assure__card--device {
  border-color: rgba(55, 230, 217, .34);
  background: linear-gradient(200deg, rgba(55, 230, 217, .1), rgba(18, 12, 34, .92) 70%);
}

.page-home .assure__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  padding: 3px 9px;
  border: 1px solid var(--line);
  color: var(--neon-soft);
}

.page-home .assure__title {
  margin: 16px 0 0;
  font-size: var(--fs-h3);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-home .assure__text {
  margin: 12px 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 反馈说明 ---------- */
.page-home .fbnote {
  padding: var(--home-pad-y) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(200deg, rgba(109, 59, 245, .12), rgba(8, 6, 15, 0) 62%);
}

.page-home .fbnote__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 52px);
  align-items: center;
}

.page-home .fbnote__text h2 {
  margin: 12px 0 0;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-home .fbnote__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text);
}

.page-home .fbnote__steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .fbnote__step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 12px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(55, 230, 217, .06);
}

.page-home .fbnote__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-shadow: var(--home-cyan-soft);
}

.page-home .fbnote__v {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .fbnote__tail {
  margin: 22px 0 24px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .fbnote__media {
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .band__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .pinned__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .fbnote__step {
    grid-template-columns: 68px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-home .band--a .band__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  }

  .page-home .band--b .band__grid {
    grid-template-columns: minmax(0, 9fr) minmax(0, 3fr);
  }

  .page-home .band--c .band__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (min-width: 980px) {
  .page-home .hero__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3vw, 44px);
  }

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

  .page-home .assure__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .fbnote__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (max-width: 420px) {
  .page-home .lane__link {
    grid-template-columns: 24px 8px minmax(0, 1fr) auto;
    gap: 8px;
    font-size: 14px;
  }

  .page-home .lane__state {
    font-size: 9px;
    padding: 2px 5px;
  }

  .page-home .tagwall__btn {
    padding: 6px 9px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .lane__link,
  .page-home .tagwall__btn,
  .page-home .lane__boards,
  .page-home .lane__state {
    transition: none;
  }

  .page-home .tagwall .tagwall__btn:hover,
  .page-home .tagwall .tagwall__btn:focus-visible {
    transform: none;
  }
}