/* ===== 首页专属样式（作用域 .page-home） ===== */

.page-home {
  --home-rail: clamp(20px, 5vw, 56px);
  --home-radius: 0;
  display: block;
  position: relative;
  overflow-x: hidden;
  background: var(--ink-0);
  color: var(--text);
}

.page-home .shell {
  position: relative;
}

/* ---------- 共用标题组 ---------- */

.page-home .sec {
  padding: var(--sp-6) 0 0;
}

.page-home .sec-head {
  display: grid;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.page-home .sec-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(38px, 9vw, 64px);
  line-height: 1;
  font-weight: 300;
  color: var(--violet);
  letter-spacing: -0.03em;
}

.page-home .sec-eyebrow {
  margin: 0 0 var(--sp-2);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .sec-title {
  margin: 0 0 var(--sp-2);
  font-size: clamp(24px, 5.4vw, 38px);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .sec-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .slash {
  height: 2px;
  margin: var(--sp-6) var(--home-rail) 0;
  background: linear-gradient(90deg, transparent, var(--violet) 22%, var(--cyan) 58%, transparent);
  transform: rotate(-8deg);
  transform-origin: left center;
  opacity: .7;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: var(--sp-6) 0 var(--sp-5);
  overflow: hidden;
  background:
    radial-gradient(720px 460px at 84% 4%, rgba(122, 68, 255, .30), transparent 64%),
    radial-gradient(600px 400px at 4% 98%, rgba(36, 227, 212, .14), transparent 62%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 53, 104, .30) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 53, 104, .30) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 86%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 86%);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-5);
}

.page-home .hero__title {
  margin: var(--sp-2) 0 var(--sp-3);
  font-size: clamp(30px, 8.4vw, 60px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text);
}

.page-home .hero__desc {
  margin: 0 0 var(--sp-4);
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-home .hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: var(--sp-5) 0 0;
  background: var(--ink-line);
  box-shadow: inset 0 0 0 1px var(--ink-line);
}

.page-home .hero__facts > div {
  padding: 12px 14px 14px;
  background: var(--ink-1);
}

.page-home .hero__facts dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-home .hero__facts dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
}

.page-home .hero__visual {
  position: relative;
}

.page-home .hero__visual .frame {
  display: block;
  box-shadow: inset 0 0 0 1px var(--ink-line);
}

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

.page-home .hero__board {
  position: relative;
  z-index: 2;
  width: min(330px, 100%);
  margin: -70px 0 0 auto;
  padding: 18px 22px 20px;
  background: linear-gradient(150deg, rgba(19, 28, 68, .97), rgba(11, 18, 48, .97));
  box-shadow: inset 0 0 0 1px var(--ink-line), inset 3px 0 0 0 var(--gold);
  clip-path: var(--cut);
}

.page-home .hero__board-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-home .hero__board-time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 9vw, 44px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-home .hero__board-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .hero__board-time.pulse {
  animation: home-pulse 2.4s var(--ease) infinite;
}

@keyframes home-pulse {
  0%, 100% { text-shadow: 0 0 14px rgba(36, 227, 212, .40); }
  50% { text-shadow: 0 0 30px rgba(36, 227, 212, .80); }
}

/* ---------- 01 品类画廊 ---------- */

.page-home .gallery__figure {
  margin-bottom: var(--sp-4);
}

.page-home .gallery__figure .frame {
  display: block;
  box-shadow: inset 0 0 0 1px var(--ink-line);
}

.page-home .gallery__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.page-home .gallery__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(268px, 76vw);
  gap: var(--sp-3);
  overflow-x: auto;
  padding: 8px var(--home-rail) 22px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--stone) transparent;
}

.page-home .gallery__track::-webkit-scrollbar {
  height: 6px;
}

.page-home .gallery__track::-webkit-scrollbar-thumb {
  background: var(--stone);
}

.page-home .genre-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 176px;
  padding: 20px 18px;
  background: linear-gradient(165deg, var(--ink-2), var(--ink-1));
  box-shadow: inset 0 0 0 1px var(--ink-line);
  clip-path: var(--cut);
  text-decoration: none;
  color: inherit;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}

.page-home .genre-card:hover,
.page-home .genre-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--violet), inset 0 -40px 60px -40px rgba(122, 68, 255, .65);
}

.page-home .genre-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-home .genre-card__name {
  margin-top: auto;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.page-home .genre-card__count {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-home .genre-card__tag {
  align-self: flex-start;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
  background: rgba(255, 176, 58, .10);
  box-shadow: inset 0 0 0 1px rgba(255, 176, 58, .35);
}

.page-home .genre-card--more {
  background: linear-gradient(165deg, rgba(122, 68, 255, .22), rgba(11, 18, 48, .9));
  box-shadow: inset 0 0 0 1px var(--violet);
}

.page-home .genre-card--more .genre-card__num {
  color: var(--cyan);
}

.page-home .genre-card--more .genre-card__count {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 02 每周二节奏 ---------- */

.page-home .rhythm {
  padding-top: var(--sp-7);
}

.page-home .rhythm__grid {
  display: grid;
  gap: var(--sp-5);
}

.page-home .rhythm__intro .sec-title {
  margin-top: var(--sp-2);
}

.page-home .rhythm__intro .btn {
  margin-top: var(--sp-4);
}

.page-home .rhythm__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--ink-line);
  box-shadow: inset 0 0 0 1px var(--ink-line);
}

.page-home .rhythm__item {
  display: grid;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--ink-1);
}

.page-home .rhythm__badge {
  justify-self: start;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px currentColor;
}

.page-home .rhythm__badge--open { color: var(--gold); }
.page-home .rhythm__badge--code { color: var(--pulse); }
.page-home .rhythm__badge--guide { color: var(--cyan); }
.page-home .rhythm__badge--spec { color: var(--muted); }

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

/* ---------- 03 礼包码 ---------- */

.page-home .codes__grid {
  display: grid;
  gap: var(--sp-5);
}

.page-home .codes__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .codes__stats li {
  display: grid;
  gap: 6px;
  padding: 14px 12px;
  background: var(--ink-1);
  box-shadow: inset 0 0 0 1px var(--ink-line);
  clip-path: var(--cut-sm);
}

.page-home .codes__stat-num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 5vw, 24px);
  line-height: 1;
  color: var(--gold);
}

.page-home .codes__stat-label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .codes__copy .btn {
  margin-top: var(--sp-4);
}

.page-home .codes__panel {
  padding: var(--sp-3);
  background: linear-gradient(160deg, var(--ink-2), var(--ink-1));
  box-shadow: inset 0 0 0 1px var(--ink-line);
}

.page-home .codes__panel .frame {
  display: block;
  margin-bottom: var(--sp-3);
  box-shadow: inset 0 0 0 1px var(--ink-line);
}

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

.page-home .codes__rates-title {
  margin: 0 0 var(--sp-3);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .rate-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: 12px;
}

.page-home .rate-row:last-child {
  margin-bottom: 0;
}

.page-home .rate-row__name {
  font-size: 13px;
  color: var(--text);
}

.page-home .rate-row__bar {
  display: block;
  height: 8px;
  background: rgba(57, 64, 106, .55);
  overflow: hidden;
}

.page-home .rate-row__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-home .rate-row__fill--a { width: 88%; }
.page-home .rate-row__fill--b { width: 71%; }
.page-home .rate-row__fill--c { width: 57%; }

/* ---------- 04 配置档位 ---------- */

.page-home .specs__grid {
  display: grid;
  gap: var(--sp-3);
}

.page-home .spec-card {
  padding: 22px 20px 24px;
  background: var(--ink-1);
  box-shadow: inset 0 0 0 1px var(--ink-line);
  transition: box-shadow .26s var(--ease), transform .26s var(--ease);
}

.page-home .spec-card:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px var(--violet);
}

.page-home .spec-card--mid {
  background: linear-gradient(160deg, rgba(36, 227, 212, .10), var(--ink-1));
}

.page-home .spec-card--high {
  background: linear-gradient(160deg, rgba(122, 68, 255, .16), var(--ink-1));
}

.page-home .spec-card__tier {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .spec-card--high .spec-card__tier {
  color: var(--violet);
}

.page-home .spec-card__headline {
  margin: 0 0 var(--sp-3);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

.page-home .spec-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .spec-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .spec-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--violet);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-home .specs__match {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  padding: var(--sp-4) var(--sp-3);
  background: linear-gradient(120deg, rgba(122, 68, 255, .18), rgba(11, 18, 48, .95));
  box-shadow: inset 0 0 0 1px var(--violet);
}

.page-home .specs__match-title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

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

.page-home .specs__match .btn {
  justify-self: start;
}

/* ---------- 05 常见查询 ---------- */

.page-home .ask__acc {
  margin-bottom: var(--sp-5);
}

.page-home .ask__acc .acc__item {
  background: var(--ink-1);
  box-shadow: inset 0 0 0 1px var(--ink-line);
  margin-bottom: 1px;
}

.page-home .ask__acc .acc__btn {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  padding: 18px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--text);
  cursor: pointer;
}

.page-home .ask__acc .acc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--muted);
  transition: color .26s var(--ease);
}

.page-home .ask__acc .acc__item[data-open] .acc__num {
  color: var(--cyan);
}

.page-home .ask__acc .acc__title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-home .ask__acc .acc__panel {
  padding: 0 18px 20px 49px;
}

.page-home .ask__acc .acc__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .ask__about {
  padding-top: var(--sp-4);
  border-top: 1px solid var(--ink-line);
}

.page-home .ask__about-text {
  margin: var(--sp-2) 0 var(--sp-4);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .ask__about-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.page-home .text-link {
  position: relative;
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 227, 212, .4);
  padding-bottom: 2px;
  transition: border-color .24s var(--ease), color .24s var(--ease);
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

/* ---------- 平板 ---------- */

@media (min-width: 700px) {
  .page-home .hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .specs__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .specs__match {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: var(--sp-4) var(--sp-5);
  }

  .page-home .sec-head {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
    gap: var(--sp-4);
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 980px) {
  .page-home .sec {
    padding-top: var(--sp-7);
  }

  .page-home .hero {
    padding: var(--sp-7) 0 var(--sp-6);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--sp-6);
  }

  .page-home .hero__board {
    margin-top: -88px;
    margin-right: 28px;
  }

  .page-home .rhythm__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    align-items: start;
    gap: var(--sp-6);
  }

  .page-home .rhythm__item {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: start;
    padding: 20px 24px;
  }

  .page-home .codes__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--sp-6);
  }

  .page-home .gallery__figure {
    margin-bottom: var(--sp-5);
  }

  .page-home .ask__acc .acc__btn {
    padding: 22px var(--sp-4);
  }

  .page-home .ask__acc .acc__panel {
    padding: 0 var(--sp-4) 24px 68px;
  }
}

@media (min-width: 1200px) {
  .page-home .gallery__track {
    grid-auto-columns: 288px;
  }
}

/* ---------- 降低动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__board-time.pulse {
    animation: none;
  }

  .page-home .genre-card,
  .page-home .spec-card,
  .page-home .text-link,
  .page-home .ask__acc .acc__num {
    transition: none;
  }

  .page-home .genre-card:hover,
  .page-home .spec-card:hover {
    transform: none;
  }
}