.page-home {
  --home-wrap: 1280px;
  --home-pad: 20px;
  display: block;
  background: var(--k1-bg);
  color: var(--k1-text);
  font-family: var(--k1-body);
  overflow-x: clip;
}

@media (min-width: 768px) {
  .page-home { --home-pad: 32px; }
}

@media (min-width: 1200px) {
  .page-home { --home-pad: 40px; }
}

.page-home .home-wrap {
  width: 100%;
  max-width: var(--home-wrap);
  margin-inline: auto;
  padding-inline: var(--home-pad);
}

.page-home .home-section {
  position: relative;
  padding-block: 56px;
}

@media (min-width: 900px) {
  .page-home .home-section { padding-block: 96px; }
}

.page-home [data-reveal] {
  transform: translateY(10px);
  transition: transform .55s var(--k1-ease);
}

.page-home [data-reveal].is-visible { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] { transform: none; transition: none; }
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: 32px 48px;
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(198, 255, 61, .10), transparent 62%),
    linear-gradient(180deg, #07130F 0%, #06120D 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -16%;
  width: 80%;
  height: 142%;
  background: linear-gradient(150deg, rgba(198, 255, 61, .14), rgba(47, 230, 200, .05) 48%, rgba(7, 19, 15, 0) 74%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 82%);
  pointer-events: none;
}

.page-home .home-hero__notation {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--k1-muted);
}

.page-home .home-hero__notation-code { color: var(--k1-lime); }

.page-home .home-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .home-hero__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-home .home-hero__rail-label { color: var(--k1-muted); }

.page-home .home-hero__code {
  font-family: var(--k1-mono);
  font-size: 20px;
  letter-spacing: .16em;
  line-height: 1;
  color: var(--k1-lime);
}

.page-home .home-hero__ticks {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 18px;
}

.page-home .home-hero__ticks i {
  display: block;
  width: 2px;
  height: 8px;
  border-radius: 1px;
  background: var(--k1-line-strong);
}

.page-home .home-hero__ticks i.is-now {
  height: 18px;
  background: var(--k1-lime);
}

.page-home .home-hero__rail-note { color: var(--k1-muted); }

.page-home .home-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--k1-muted);
}

.page-home .home-hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--k1-lime);
}

.page-home .home-hero__title {
  margin: 0 0 18px;
  font-family: var(--k1-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7.4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--k1-text);
  text-wrap: balance;
}

.page-home .home-hero__lead {
  margin: 0 0 26px;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--k1-muted);
}

.page-home .home-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--k1-line);
  border-radius: var(--k1-r);
  overflow: hidden;
  background: var(--k1-panel);
  box-shadow: var(--k1-shadow);
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 768px) {
  .page-home .home-hero__lead { font-size: 17px; }
}

@media (min-width: 1024px) {
  .page-home .home-hero { padding-block: 48px 72px; }

  .page-home .home-hero__grid {
    grid-template-columns: 132px minmax(0, 1fr) minmax(0, .94fr);
    gap: 44px;
    align-items: start;
  }

  .page-home .home-hero__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-right: 20px;
    border-right: 1px solid var(--k1-line);
    min-height: 240px;
  }

  .page-home .home-hero__code { font-size: 22px; }

  .page-home .home-hero__title { font-size: clamp(2.5rem, 3.5vw, 3.4rem); }

  .page-home .home-hero__figure { margin-top: 24px; }
}

/* ---------- 章节头 ---------- */

.page-home .home-chapter {
  max-width: 64ch;
  margin-bottom: 30px;
}

.page-home .home-chapter__index {
  margin: 0 0 12px;
  color: var(--k1-lime);
}

.page-home .home-chapter__title {
  margin: 0 0 14px;
  font-family: var(--k1-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.4vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--k1-text);
}

.page-home .home-chapter__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--k1-muted);
}

@media (min-width: 900px) {
  .page-home .home-chapter { margin-bottom: 46px; }
}

/* ---------- 栏目索引 ---------- */

.page-home .home-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--k1-line);
  border: 1px solid var(--k1-line);
  border-radius: var(--k1-r);
  overflow: hidden;
}

.page-home .home-index__item {
  background: var(--k1-panel);
  transition: background-color .15s var(--k1-ease);
}

.page-home .home-index__item:hover { background: var(--k1-panel-2); }

.page-home .home-index__link {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "num label"
    ". hint";
  align-items: center;
  gap: 2px 14px;
  padding: 16px 18px 8px;
  color: inherit;
  text-decoration: none;
}

.page-home .home-index__num {
  grid-area: num;
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--k1-muted);
}

.page-home .home-index__label {
  grid-area: label;
  font-family: var(--k1-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.01em;
}

.page-home .home-index__hint {
  grid-area: hint;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--k1-muted);
}

.page-home .home-index__link:hover .home-index__num,
.page-home .home-index__link:focus-visible .home-index__num { color: var(--k1-lime); }

.page-home .home-index__link:focus-visible {
  outline: 2px solid var(--k1-lime);
  outline-offset: -2px;
}

.page-home .home-index__preview {
  margin: 0;
  padding: 2px 18px 16px 76px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--k1-muted);
}

@media (min-width: 860px) {
  .page-home .home-index__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .page-home .home-index__link {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    grid-template-areas: "num label hint";
    gap: 0 16px;
    padding: 20px 24px 10px;
  }

  .page-home .home-index__hint { text-align: right; }

  .page-home .home-index__preview { padding: 2px 24px 20px; }
}

/* ---------- K1专区 ---------- */

.page-home .home-zone__grid {
  display: grid;
  gap: 20px;
}

.page-home .home-zone__column {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-home .home-zone__card {
  padding: 22px;
  border-radius: var(--k1-r);
}

.page-home .home-zone__card-label {
  margin: 0 0 10px;
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--k1-lime);
}

.page-home .k1-card--alert .home-zone__card-label { color: var(--k1-orange); }

.page-home .home-zone__card-title {
  margin: 0 0 12px;
  font-family: var(--k1-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--k1-text);
}

.page-home .home-zone__card-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--k1-muted);
}

.page-home .home-zone__spec {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--k1-line);
}

.page-home .home-zone__spec-row {
  display: grid;
  grid-template-columns: minmax(0, 92px) minmax(0, 1fr);
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--k1-line-soft);
}

.page-home .home-zone__spec-row dt {
  font-size: 13px;
  line-height: 1.6;
  color: var(--k1-muted);
}

.page-home .home-zone__spec-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--k1-text);
}

.page-home .home-zone__spec-row .k1-mono { color: var(--k1-lime); }

.page-home .home-zone__meta {
  margin: 0;
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--k1-cyan);
}

@media (min-width: 960px) {
  .page-home .home-zone__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 28px;
    align-items: start;
  }

  .page-home .home-zone__column { gap: 24px; }

  .page-home .home-zone__card { padding: 26px 26px 24px; }
}

/* ---------- 图片容器 ---------- */

.page-home .home-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--k1-line);
  border-radius: var(--k1-r);
  overflow: hidden;
  background: var(--k1-panel);
}

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

.page-home .home-figure--wide img { aspect-ratio: 3 / 2; }

.page-home .home-figure--timeline img { aspect-ratio: 2 / 1; }

.page-home .home-figure__cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--k1-line);
  background: var(--k1-panel);
  font-family: var(--k1-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--k1-muted);
}

/* ---------- 覆盖与节奏 ---------- */

.page-home .home-league__grid {
  display: grid;
  gap: 24px;
}

.page-home .home-league__body {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-home .home-league__tags {
  display: flex;
  gap: 8px;
  padding-bottom: 14px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--k1-line);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-league__tags .k1-tag {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-home .home-league__stats {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--k1-line-soft);
  border: 1px solid var(--k1-line);
  border-radius: var(--k1-r);
  overflow: hidden;
}

.page-home .home-league__stat {
  background: var(--k1-panel);
  padding: 15px 18px;
}

.page-home .home-league__stat dt {
  margin: 0 0 6px;
  font-family: var(--k1-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--k1-muted);
}

.page-home .home-league__stat dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--k1-text);
}

.page-home .home-league__num {
  font-family: var(--k1-mono);
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--k1-lime);
  margin-right: 2px;
}

@media (min-width: 640px) {
  .page-home .home-league__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .page-home .home-league__grid {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    gap: 38px;
    align-items: start;
  }
}

/* ---------- 换设备 ---------- */

.page-home .home-sync__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--k1-line);
}

.page-home .home-sync__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--k1-line);
}

.page-home .home-sync__num {
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--k1-lime);
}

.page-home .home-sync__label {
  font-family: var(--k1-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--k1-text);
}

.page-home .home-sync__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--k1-muted);
}

@media (min-width: 860px) {
  .page-home .home-sync__row {
    grid-template-columns: 72px minmax(0, 210px) minmax(0, 1fr);
    gap: 0 30px;
    align-items: baseline;
    padding: 24px 0;
  }
}

/* ---------- 常问 ---------- */

.page-home .home-ask__grid {
  display: grid;
  gap: 1px;
  background: var(--k1-line);
  border: 1px solid var(--k1-line);
  border-radius: var(--k1-r);
  overflow: hidden;
}

.page-home .home-ask__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  background: var(--k1-panel);
}

.page-home .home-ask__q {
  margin: 0;
  font-family: var(--k1-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--k1-text);
}

.page-home .home-ask__item p {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--k1-muted);
}

.page-home .home-ask__link {
  align-self: flex-start;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(47, 230, 200, .45);
  font-family: var(--k1-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--k1-cyan);
  text-decoration: none;
  transition: color .15s var(--k1-ease), border-color .15s var(--k1-ease);
}

.page-home .home-ask__link:hover,
.page-home .home-ask__link:focus-visible {
  color: var(--k1-lime);
  border-color: var(--k1-lime);
}

.page-home .home-ask__link:focus-visible {
  outline: 2px solid var(--k1-lime);
  outline-offset: 3px;
}

@media (min-width: 900px) {
  .page-home .home-ask__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 开始使用 ---------- */

.page-home .home-start { padding-block: 56px 80px; }

.page-home .home-start__panel {
  position: relative;
  overflow: hidden;
  padding: 30px 22px;
  border: 1px solid var(--k1-line-strong);
  border-radius: var(--k1-r);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(198, 255, 61, .12), transparent 58%),
    var(--k1-panel);
}

.page-home .home-start__panel::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -40%;
  width: 46%;
  height: 120%;
  background: linear-gradient(200deg, rgba(255, 122, 47, .16), rgba(255, 122, 47, 0) 70%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .home-start__copy,
.page-home .home-start__side { position: relative; z-index: 1; }

.page-home .home-start__index {
  margin: 0 0 12px;
  color: var(--k1-lime);
}

.page-home .home-start__title {
  margin: 0 0 14px;
  font-family: var(--k1-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.2vw, 1.95rem);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--k1-text);
}

.page-home .home-start__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--k1-muted);
}

.page-home .home-start__contact {
  margin: 26px 0 20px;
}

.page-home .home-start__contact-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--k1-line-soft);
}

.page-home .home-start__contact-row dt {
  font-size: 13px;
  line-height: 1.6;
  color: var(--k1-muted);
}

.page-home .home-start__contact-row dd {
  margin: 0;
  font-family: var(--k1-mono);
  font-size: 14px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--k1-text);
  word-break: break-word;
}

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

@media (min-width: 900px) {
  .page-home .home-start { padding-block: 72px 104px; }

  .page-home .home-start__panel {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 48px;
    align-items: end;
    padding: 48px 44px;
  }

  .page-home .home-start__contact { margin-top: 0; }
}