/* ===================== 首页 · page-home ===================== */

.page-home {
  --home-band: var(--ink-800);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(40px, 6vw, 76px);
  isolation: isolate;
}

.page-home .hero__glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.page-home .hero__glow--cyan {
  width: 420px;
  height: 420px;
  top: -170px;
  left: -150px;
  background: rgba(0, 232, 210, .13);
}

.page-home .hero__glow--orange {
  width: 360px;
  height: 360px;
  top: 200px;
  right: -190px;
  background: rgba(255, 138, 61, .13);
}

.page-home .hero__title {
  margin: 22px 0 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home .hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-home .hero__sub {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 框景窗口 ---------- */
.page-home .hero__frame {
  position: relative;
  margin-top: clamp(30px, 5vw, 56px);
  padding: 18px 14px 22px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(13, 39, 64, .94), rgba(5, 14, 26, .97));
  box-shadow: var(--shadow-band);
  overflow: hidden;
}

.page-home .hero__frame::before,
.page-home .hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 9px;
  pointer-events: none;
}

.page-home .hero__frame::before {
  top: 0;
  background: repeating-linear-gradient(90deg, var(--hair) 0 1px, transparent 1px 24px);
  opacity: .95;
}

.page-home .hero__frame::after {
  bottom: 0;
  background: repeating-linear-gradient(90deg, var(--hair-soft) 0 1px, transparent 1px 24px);
}

.page-home .frame__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 4px 14px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-home .frame__eyebrow {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .frame__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .frame__axis {
  padding: 14px 2px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-home .axis {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 2px 2px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .axis__item {
  position: relative;
  flex: 0 0 auto;
  padding: 8px 12px 8px 22px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--mist);
}

.page-home .axis__item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--ink-700);
}

.page-home .axis__item.is-live {
  color: var(--cyan);
}

.page-home .axis__item.is-live::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 232, 210, .16);
}

.page-home .frame__stream {
  position: relative;
  min-height: 300px;
  padding: 14px 0 4px;
}

.page-home .frame__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  pointer-events: none;
}

.page-home .stream {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
}

.page-home .race {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 12px 14px;
  border-radius: var(--radius-m);
  border: 1px solid rgba(20, 55, 79, .55);
  background: rgba(5, 14, 26, .62);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-home .race:hover {
  border-color: rgba(0, 232, 210, .38);
  background: rgba(13, 39, 64, .82);
}

.page-home .race__when {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  flex: 0 0 auto;
}

.page-home .race__when .num {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .race__day {
  font-size: 12px;
  color: var(--mist);
}

.page-home .race__what {
  margin: 0;
  flex: 1 1 140px;
  font-size: 15px;
  color: var(--paper-soft);
}

.page-home .race__remind {
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 138, 61, .5);
  color: var(--orange-soft);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .22s var(--ease), border-color .22s var(--ease);
}

.page-home .race__remind:hover {
  background: rgba(255, 138, 61, .15);
  border-color: rgba(255, 138, 61, .8);
}

.page-home .race__remind::after {
  content: "写入 iOS / 安卓 / Outlook / Google 日历";
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  width: max-content;
  max-width: min(240px, 70vw);
  padding: 8px 12px;
  border-radius: var(--radius-s);
  border: 1px solid var(--hair);
  background: var(--ink-950);
  color: var(--paper-soft);
  font-size: 12px;
  line-height: 1.55;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}

.page-home .race__remind:hover::after,
.page-home .race__remind:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  position: relative;
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-home .home-section--band {
  background: var(--home-band);
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.page-home .home-section--dark {
  background: var(--ink-950);
}

.page-home .home-section .section-head__title {
  max-width: 22ch;
}

/* ---------- 01 常用入口 ---------- */
.page-home .trust-stats {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-home .trust-stats__item {
  display: grid;
  grid-template-columns: minmax(88px, auto) 1fr;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-home .trust-stats__num {
  font-size: clamp(1.6rem, 4.4vw, 2.1rem);
  font-weight: 700;
  color: var(--paper);
  line-height: 1;
}

.page-home .trust-stats__num small {
  font-size: .45em;
  margin-left: 2px;
  color: var(--cyan);
}

.page-home .trust-stats__label {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .trust-note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--cyan-dim);
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-soft);
  max-width: 62ch;
}

/* ---------- 02 整季体量 ---------- */
.page-home .season-band {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 20px;
}

.page-home .season-band__item {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--ink-700);
}

.page-home .season-band__item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--cyan);
}

.page-home .season-band__num {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 5.4vw, 2.7rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--paper);
}

.page-home .season-band__num small {
  font-size: .42em;
  margin-left: 4px;
  color: var(--orange);
}

.page-home .season-band__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .season-figure {
  margin-top: clamp(34px, 5vw, 56px);
}

.page-home .season-foot {
  margin-top: clamp(30px, 4vw, 46px);
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-home .season-foot p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* ---------- 03 三步写入日历 ---------- */
.page-home .steps-layout {
  display: grid;
  gap: 34px;
}

.page-home .steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-home .steps__item {
  position: relative;
  padding: 22px 0 22px 58px;
  border-top: 1px solid var(--hair-soft);
}

.page-home .steps__item:last-child {
  border-bottom: 1px solid var(--hair-soft);
}

.page-home .steps__num {
  position: absolute;
  left: 0;
  top: 24px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-home .steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  font-weight: 600;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-home .steps__text {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-home .steps-figure {
  margin: 0;
}

/* ---------- 04 双端视角 ---------- */
.page-home .devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: 36px;
}

.page-home .devices__col {
  padding: 26px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-home .devices__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .devices__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.2vw, 1.6rem);
  font-weight: 600;
  color: var(--paper);
}

.page-home .devices__text {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-home .devices-figure {
  margin: clamp(32px, 5vw, 52px) 0 0;
}

/* ---------- 05 下一步 ---------- */
.page-home .next-grid {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 44px;
  padding: 22px 20px;
  border-radius: var(--radius-m);
  border: 1px solid rgba(20, 55, 79, .6);
  background: rgba(13, 39, 64, .55);
  text-decoration: none;
  transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
}

.page-home .next-card:hover {
  border-color: rgba(0, 232, 210, .42);
  background: rgba(20, 55, 79, .8);
  transform: translateY(-2px);
}

.page-home .next-card__label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .next-card__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-home .next-card__hint {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13px;
  color: var(--mist);
}

.page-home .next-card:hover .next-card__hint {
  color: var(--orange-soft);
}

.page-home .next-tail {
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .next-tail a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .trust-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-home .season-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .hero__frame {
    padding: 22px 22px 26px;
  }

  .page-home .frame__grid {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .page-home .frame__axis {
    padding: 18px 16px 18px 2px;
    border-bottom: 0;
    border-right: 1px solid var(--hair-soft);
  }

  .page-home .axis {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-home .axis__item {
    white-space: normal;
    width: 100%;
    padding: 10px 8px 10px 24px;
  }

  .page-home .axis__item::before {
    left: 10px;
  }

  .page-home .frame__stream {
    padding: 16px 4px 6px 20px;
  }

  .page-home .race {
    padding: 13px 18px;
    gap: 6px 20px;
  }

  .page-home .devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 40px;
  }

  .page-home .season-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-home .steps-layout {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
    gap: 44px;
  }

  .page-home .steps {
    margin-top: 34px;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .race,
  .page-home .race__remind,
  .page-home .race__remind::after,
  .page-home .next-card,
  .page-home .axis__item::before {
    transition: none;
  }

  .page-home .next-card:hover {
    transform: none;
  }

  .page-home .race__remind::after {
    transform: none;
  }

  .page-home .axis__item.is-live::before {
    box-shadow: none;
  }
}