/* ===== 首页 / page-home ===== */

.page-home {
  --home-cut: 18px;
  --home-pad: clamp(3rem, 7vw, 5rem);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding: clamp(2.2rem, 5.5vw, 4rem) 0 clamp(2.4rem, 5vw, 4rem);
  background:
    radial-gradient(120% 78% at 88% 2%, rgba(23, 224, 200, .16), transparent 58%),
    linear-gradient(178deg, var(--ink-deep) 0%, var(--ink) 62%, var(--ink) 100%);
}

.page-home .home-hero__bg {
  position: absolute;
  right: -4%;
  bottom: 2%;
  width: min(780px, 66%);
  margin: 0;
  opacity: .17;
  pointer-events: none;
  z-index: 0;
}

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

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
}

.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: clamp(1.2rem, 3vw, 1.8rem);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--neutral);
}

.page-home .home-context__part--now {
  color: var(--cyan);
}

.page-home .home-context__sep {
  color: var(--line-strong);
}

.page-home .home-hero__title {
  margin: 0 0 1.1rem;
  max-width: 18ch;
  font-family: var(--display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-home .home-hero__lead {
  max-width: 52ch;
  margin: 0 0 1.5rem;
  font-family: var(--body);
  font-size: clamp(1rem, .45vw + .9rem, 1.125rem);
  line-height: 1.78;
  color: rgba(244, 248, 246, .82);
}

.page-home .home-hero__status {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.6rem;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 常用栏目堆叠面板 ---------- */

.page-home .home-stack-wrap {
  position: relative;
  z-index: 1;
  margin-top: clamp(2.2rem, 5.5vw, 3.4rem);
}

.page-home .home-stack__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .45rem 1.2rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--line);
}

.page-home .home-stack__head p {
  margin: 0;
}

.page-home .home-stack__caption {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .home-stack__note {
  font-size: .82rem;
  line-height: 1.6;
  color: var(--neutral);
}

.page-home .home-stack {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-stack__item {
  position: relative;
  display: flex;
  flex-direction: column;
}

.page-home .home-stack__link {
  position: relative;
  display: grid;
  gap: .5rem;
  padding: 1.5rem 1.45rem 1.25rem;
  background: linear-gradient(158deg, rgba(20, 82, 74, .92), rgba(7, 30, 26, .96));
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
  box-shadow: var(--shadow-panel);
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.page-home .home-stack__link::before {
  content: "";
  position: absolute;
  left: 1.45rem;
  top: 0;
  width: 36px;
  height: 3px;
  background: var(--cyan);
  transform: skewX(var(--skew));
}

.page-home .home-stack__item:first-child .home-stack__link::before {
  background: var(--amber);
}

.page-home .home-stack__link:hover,
.page-home .home-stack__link:focus-visible {
  transform: translateY(-4px);
  background: linear-gradient(158deg, rgba(23, 224, 200, .2), rgba(7, 30, 26, .98));
}

.page-home .home-stack__rank {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--neutral);
}

.page-home .home-stack__name {
  margin: 0;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.15;
  color: var(--paper);
}

.page-home .home-stack__use {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: rgba(244, 248, 246, .76);
}

.page-home .home-stack__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.2rem;
  margin: .4rem 0 0;
  padding-top: .75rem;
  border-top: 1px solid var(--line);
}

.page-home .home-stack__facts div {
  display: flex;
  align-items: baseline;
  gap: .4rem;
}

.page-home .home-stack__facts dt {
  margin: 0;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--neutral);
}

.page-home .home-stack__facts dd {
  margin: 0;
  font-size: .85rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-stack__peek {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .22s var(--ease), opacity .22s var(--ease);
}

.page-home .home-stack__item:hover .home-stack__peek,
.page-home .home-stack__item:focus-within .home-stack__peek {
  max-height: 12rem;
  opacity: 1;
}

.page-home .home-stack__sub {
  list-style: none;
  margin: .6rem 0 0;
  padding: .75rem .2rem .2rem;
  display: grid;
  gap: .32rem;
  border-top: 1px dashed var(--line);
  font-size: .8rem;
  line-height: 1.6;
  color: var(--neutral);
}

/* ---------- 当季版本 ---------- */

.page-home .home-version {
  position: relative;
  padding: var(--home-pad) 0;
  background: var(--wash);
  color: var(--text-ink);
}

.page-home .home-version::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(38px, 6vw, 78px);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% 32%, 0 100%);
  pointer-events: none;
}

.page-home .home-version__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: center;
}

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

.page-home .home-version__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% 100%,
    0 100%,
    0 var(--home-cut)
  );
  box-shadow: var(--shadow-panel);
}

.page-home .home-version .section__eyebrow {
  color: var(--ink-mid);
}

.page-home .home-version .section__title {
  color: var(--text-ink);
}

.page-home .home-version .section__lead {
  color: rgba(16, 32, 29, .78);
}

.page-home .home-version__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  margin: 1.7rem 0;
  padding: 0;
}

.page-home .home-version__stats div {
  padding: .85rem 1rem;
  background: rgba(11, 46, 40, .07);
  border-left: 3px solid var(--cyan-dark);
}

.page-home .home-version__stats dt {
  margin: 0 0 .25rem;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--ink-mid);
}

.page-home .home-version__stats dd {
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-ink);
}

.page-home .home-version__cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-home .home-version__cadence li {
  display: grid;
  grid-template-columns: 5.8rem minmax(0, 1fr);
  gap: .9rem;
  align-items: baseline;
  padding-bottom: .7rem;
  border-bottom: 1px solid rgba(16, 32, 29, .12);
  font-size: .95rem;
  line-height: 1.7;
  color: rgba(16, 32, 29, .84);
}

.page-home .home-version__cadence .mono {
  font-family: var(--mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-home .home-version__more {
  margin: 1.6rem 0 0;
}

.page-home .home-version__more .btn--ghost {
  color: var(--ink);
  border-color: var(--cyan-dark);
}

/* ---------- 五条产品线 ---------- */

.page-home .home-lines {
  padding: var(--home-pad) 0;
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-lines__grid {
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-line {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.6rem 1.3rem 1.35rem;
  background: rgba(20, 82, 74, .5);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(
    0 0,
    calc(100% - var(--home-cut)) 0,
    100% var(--home-cut),
    100% 100%,
    0 100%
  );
  transition: background .2s var(--ease);
}

.page-home .home-line:hover,
.page-home .home-line:focus-visible {
  background: rgba(23, 224, 200, .18);
}

.page-home .home-line__no {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-home .home-line__name {
  font-family: var(--display);
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .home-line__scene {
  font-size: .88rem;
  line-height: 1.72;
  color: rgba(244, 248, 246, .76);
}

.page-home .home-line__where {
  margin-top: auto;
  padding-top: .8rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--neutral);
  border-top: 1px solid var(--line);
}

.page-home .home-lines__figure {
  margin: clamp(1.9rem, 4vw, 2.8rem) 0 0;
}

.page-home .home-lines__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: .88;
}

/* ---------- 老版本对照 ---------- */

.page-home .home-legacy {
  padding: var(--home-pad) 0;
  background: var(--paper);
  color: var(--text-ink);
}

.page-home .home-legacy .section__eyebrow {
  color: var(--ink-mid);
}

.page-home .home-legacy .section__title {
  color: var(--text-ink);
}

.page-home .home-legacy .section__lead {
  color: rgba(16, 32, 29, .76);
}

.page-home .home-legacy__grid {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-legacy__card {
  padding: 1.5rem 1.4rem;
  background: var(--wash);
  border-top: 3px solid var(--amber);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%
  );
}

.page-home .home-legacy__kind {
  margin: 0 0 .9rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-home .home-legacy__pair {
  display: grid;
  gap: .35rem;
  margin: 0 0 .85rem;
  font-size: .95rem;
  line-height: 1.5;
}

.page-home .home-legacy__old {
  color: var(--neutral);
  text-decoration: line-through;
  text-decoration-color: rgba(157, 179, 171, .6);
}

.page-home .home-legacy__arrow {
  font-family: var(--mono);
  color: var(--cyan-dark);
  font-size: .9rem;
}

.page-home .home-legacy__new {
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-ink);
}

.page-home .home-legacy__desc {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: rgba(16, 32, 29, .72);
}

.page-home .home-legacy__foot {
  margin: clamp(1.6rem, 3.5vw, 2.2rem) 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(16, 32, 29, .14);
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(16, 32, 29, .74);
}

.page-home .home-legacy__link {
  display: inline-block;
  margin-left: .4rem;
  color: var(--cyan-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 分类标签 ---------- */

.page-home .home-tags {
  position: relative;
  padding: var(--home-pad) 0;
  background: var(--ink-deep);
  color: var(--paper);
  overflow: hidden;
}

.page-home .home-tags__bg {
  position: absolute;
  right: -8%;
  top: 6%;
  width: min(560px, 62%);
  opacity: .15;
  pointer-events: none;
}

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

.page-home .home-tags__inner {
  position: relative;
  z-index: 1;
}

.page-home .home-tags__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0;
}

.page-home .home-tag {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  padding: .6rem 1rem;
  background: rgba(20, 82, 74, .58);
  clip-path: polygon(
    10px 0,
    100% 0,
    100% calc(100% - 10px),
    calc(100% - 10px) 100%,
    0 100%,
    0 10px
  );
  font-size: .88rem;
  color: rgba(244, 248, 246, .9);
  transition: background .18s var(--ease);
}

.page-home .home-tag:hover {
  background: rgba(23, 224, 200, .22);
}

.page-home .home-tag__count {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--cyan);
}

.page-home .home-tags__ways {
  list-style: none;
  margin: clamp(1.8rem, 4vw, 2.6rem) 0 0;
  padding: 1.4rem 0 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.page-home .home-tags__ways li {
  display: grid;
  gap: .35rem;
}

.page-home .home-tags__way-k {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-home .home-tags__way-v {
  font-size: .92rem;
  line-height: 1.72;
  color: rgba(244, 248, 246, .78);
}

/* ---------- 收尾 ---------- */

.page-home .home-followup {
  padding: var(--home-pad) 0;
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-followup__grid {
  display: grid;
  gap: 1.6rem;
}

.page-home .home-followup__cta {
  margin: 1.5rem 0 0;
}

.page-home .home-followup__card {
  padding: 1.6rem 1.5rem;
  background: linear-gradient(150deg, rgba(20, 82, 74, .88), rgba(7, 30, 26, .96));
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% 100%,
    0 100%,
    0 var(--home-cut)
  );
  box-shadow: var(--shadow-panel);
}

.page-home .home-followup__list {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.page-home .home-followup__list dt {
  margin: 0 0 .28rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .home-followup__list dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(244, 248, 246, .84);
}

.page-home .home-followup__mono {
  font-family: var(--mono);
  font-size: .88rem;
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

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

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

  .page-home .home-tags__ways {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }

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

@media (max-width: 639px) {
  .page-home .home-stack__peek {
    max-height: 12rem;
    opacity: 1;
  }

  .page-home .home-hero__bg {
    width: 88%;
    right: -12%;
    opacity: .12;
  }
}

@media (min-width: 780px) {
  .page-home .home-legacy__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-version__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

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

@media (min-width: 1024px) {
  .page-home .home-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
    align-items: start;
  }

  .page-home .home-stack__item:nth-child(2),
  .page-home .home-stack__item:nth-child(5) {
    margin-top: 2.2rem;
  }

  .page-home .home-stack__item:nth-child(3),
  .page-home .home-stack__item:nth-child(6) {
    margin-top: .8rem;
  }
}

@media (min-width: 1080px) {
  .page-home .home-lines__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-stack__link,
  .page-home .home-stack__peek,
  .page-home .home-line,
  .page-home .home-tag {
    transition: none;
  }

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