.page-home {
  --home-line: rgba(11, 31, 25, .13);
  --home-line-soft: rgba(244, 241, 233, .18);
  --home-tick: rgba(201, 169, 106, .5);
  --home-block: clamp(48px, 8vw, 92px);
  color: var(--ink);
  background: var(--paper);
}

.page-home .band-cta {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-home .txt-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--clay-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(158, 68, 35, .35);
  padding-bottom: 3px;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-home .txt-link::after {
  content: "→";
  transition: transform 180ms var(--ease);
}

.page-home .txt-link:hover {
  border-color: var(--clay);
}

.page-home .txt-link:hover::after {
  transform: translateX(4px);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .58;
}

.page-home .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(125% 95% at 12% 16%, rgba(18, 58, 46, .78) 0%, rgba(11, 31, 25, .95) 62%),
    linear-gradient(180deg, rgba(18, 58, 46, .58) 0%, rgba(11, 31, 25, .96) 100%);
}

.page-home .hero__frame {
  position: absolute;
  inset: clamp(10px, 2.2vw, 26px);
  z-index: 2;
  pointer-events: none;
  border: 1px solid var(--home-tick);
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 169, 106, .8) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(90deg, rgba(201, 169, 106, .8) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(180deg, rgba(201, 169, 106, .8) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(180deg, rgba(201, 169, 106, .8) 0 1px, transparent 1px 120px);
  background-size: 100% 9px, 100% 9px, 9px 100%, 9px 100%;
  background-position: 0 0, 0 100%, 0 0, 100% 0;
  background-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
}

.page-home .hero__inner {
  position: relative;
  z-index: 3;
  display: grid;
  gap: clamp(26px, 5vw, 46px);
  padding-block: clamp(52px, 9vw, 112px);
  align-items: start;
}

.page-home .hero__crumb {
  grid-column: 1 / -1;
  color: rgba(244, 241, 233, .62);
  font-size: 13px;
}

.page-home .hero .eyebrow {
  color: var(--gold);
  letter-spacing: .12em;
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2.1rem, 7.2vw, 4.5rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .hero__text {
  margin: 20px 0 0;
  max-width: 33em;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(244, 241, 233, .84);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: 30px;
}

.page-home .hero__actions .btn--clay {
  transition: transform 200ms var(--ease), filter 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .hero__actions .btn--clay:hover {
  transform: translateY(-2px);
  filter: brightness(.94);
}

.page-home .hero__ghost {
  position: relative;
  display: inline-block;
  padding-bottom: 5px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
}

.page-home .hero__ghost::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--gold);
  transform: scaleX(.34);
  transform-origin: left;
  transition: transform 180ms var(--ease);
}

.page-home .hero__ghost:hover::after {
  transform: scaleX(1);
}

.page-home .hero-card {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(201, 169, 106, .45);
  border-radius: var(--radius-organic);
  padding: clamp(22px, 3.4vw, 32px);
  box-shadow: var(--shadow-card-hi);
}

.page-home .hero-card__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--clay-deep);
  border: 1px solid rgba(196, 100, 60, .4);
  border-radius: 999px;
  padding: 4px 12px;
}

.page-home .hero-card__title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 700;
  line-height: 1.4;
}

.page-home .hero-card__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(11, 31, 25, .72);
}

.page-home .hero-card__meta {
  margin: 20px 0 22px;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--home-line);
  padding-top: 16px;
}

.page-home .hero-card__meta > div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-home .hero-card__meta dt {
  font-size: 13px;
  color: var(--rain);
}

.page-home .hero-card__meta dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--deep);
  word-break: break-word;
}

/* ---------- 索引带 ---------- */
.page-home .index-band {
  background: var(--moss);
  padding-block: clamp(32px, 5.5vw, 54px);
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 2px;
  text-decoration: none;
  color: var(--ink);
  transition: background 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-home .index-link:hover {
  background: rgba(31, 91, 69, .07);
  padding-left: 10px;
}

.page-home .index-link__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold-ink);
  padding-top: 6px;
}

.page-home .index-link__title {
  display: block;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--deep);
}

.page-home .index-link__text {
  display: block;
  margin-top: 7px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(11, 31, 25, .66);
}

/* ---------- 资料区 ---------- */
.page-home .library-band {
  background: var(--paper);
  padding-block: var(--home-block);
}

.page-home .lib__body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .lib__cards {
  display: grid;
  gap: 16px;
}

.page-home .lib-card {
  background: #fff;
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--vein);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  padding: clamp(18px, 2.6vw, 26px);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-home .lib-card--version {
  border-left-color: var(--gold);
}

.page-home .lib-card:hover {
  border-left-color: var(--clay);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.page-home .lib-card__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--deep);
}

.page-home .lib-card__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(11, 31, 25, .72);
}

.page-home .lib__figure .figure__media {
  border-radius: var(--radius-m);
  overflow: hidden;
}

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

.page-home .stat-row {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--home-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .stat-row li {
  background: var(--paper);
  padding: 18px 16px;
}

.page-home .stat-num {
  display: block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  color: var(--green);
  line-height: 1.25;
}

.page-home .stat-cap {
  display: block;
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(11, 31, 25, .6);
}

/* ---------- 当季 ---------- */
.page-home .season-band {
  background: var(--moss);
  padding-block: var(--home-block);
}

.page-home .season__layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .season__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .season-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--home-line);
  border-radius: var(--radius-m);
  padding: 26px 20px 24px;
  transition: box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-home .season-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-m) var(--radius-m) 0 0;
  background: var(--vein);
}

.page-home .season-card--summer::before { background: var(--green); }
.page-home .season-card--autumn::before { background: var(--clay); }
.page-home .season-card--winter::before { background: var(--rain); }

.page-home .season-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.page-home .season-card__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-ink);
}

.page-home .season-card__name {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--deep);
}

.page-home .season-card__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(11, 31, 25, .7);
}

.page-home .season__figure .figure__media {
  border-radius: var(--radius-organic);
  overflow: hidden;
}

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

.page-home .region-tags {
  margin: clamp(24px, 3.6vw, 38px) 0 0;
}

/* ---------- 多设备 ---------- */
.page-home .device-band {
  background: var(--paper);
  padding-block: var(--home-block);
}

.page-home .device__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-home .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: home-step;
}

.page-home .step-list li {
  position: relative;
  padding-left: 58px;
}

.page-home .step-list li::before {
  counter-increment: home-step;
  content: counter(home-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--clay-deep);
  border: 1px solid rgba(196, 100, 60, .42);
  border-radius: 50%;
}

.page-home .step-list strong {
  display: block;
  font-size: 16px;
  font-weight: 500;
  color: var(--deep);
}

.page-home .step-list span {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(11, 31, 25, .68);
}

.page-home .device__folds {
  display: grid;
  gap: 2px;
}

.page-home .fold {
  background: #fff;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-m);
  margin-top: 12px;
  transition: border-color 180ms var(--ease);
}

.page-home .fold:hover {
  border-color: var(--vein);
}

.page-home .fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--deep);
}

.page-home .fold > summary::-webkit-details-marker {
  display: none;
}

.page-home .fold > summary::after {
  content: "＋";
  font-family: var(--mono);
  font-size: 14px;
  color: var(--clay);
  transition: transform 180ms var(--ease);
}

.page-home .fold[open] > summary::after {
  content: "－";
}

.page-home .fold__body {
  padding: 0 20px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(11, 31, 25, .72);
}

/* ---------- 信任区 ---------- */
.page-home .trust-band {
  background: var(--deep);
  color: var(--paper);
  padding-block: var(--home-block);
}

.page-home .trust__layout {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.page-home .trust__figure .figure__media {
  border-radius: var(--radius-organic);
  overflow: hidden;
}

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

.page-home .trust__figure .figure__caption {
  color: rgba(244, 241, 233, .6);
}

.page-home .trust-band .section-head__title {
  color: var(--paper);
}

.page-home .trust-band .section-head__note {
  color: rgba(244, 241, 233, .74);
}

.page-home .trust-band .section-head__num {
  color: var(--gold);
}

.page-home .team-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.page-home .team-list li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 14.5px;
  color: rgba(244, 241, 233, .82);
}

.page-home .team-list b {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--gold);
}

.page-home .trust__note {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 2px solid rgba(201, 169, 106, .5);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 241, 233, .74);
}

.page-home .trust-stats {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--home-line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .trust-stats li {
  background: var(--deep);
  padding: 18px 16px;
}

.page-home .trust-stats .stat-num {
  color: var(--gold);
}

.page-home .trust-stats .stat-cap {
  color: rgba(244, 241, 233, .64);
}

.page-home .trust__folds {
  display: grid;
  gap: 0;
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-home .trust__folds .fold {
  background: rgba(244, 241, 233, .06);
  border-color: rgba(244, 241, 233, .18);
}

.page-home .trust__folds .fold:hover {
  border-color: var(--gold);
}

.page-home .trust__folds .fold > summary {
  color: var(--paper);
}

.page-home .trust__folds .fold > summary::after {
  color: var(--gold);
}

.page-home .trust__folds .fold__body {
  color: rgba(244, 241, 233, .76);
}

/* ---------- 联系收口 ---------- */
.page-home .start-band {
  background: var(--paper);
  padding-block: var(--home-block);
}

.page-home .start-card {
  border: 1px solid var(--home-line);
  border-radius: var(--radius-organic);
  background: linear-gradient(140deg, #ffffff 0%, var(--moss) 100%);
  padding: clamp(24px, 4vw, 46px);
}

.page-home .start-card .section-head__num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-ink);
}

.page-home .start-card .section-head__title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--deep);
}

.page-home .start__text {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(11, 31, 25, .74);
}

.page-home .start-lines {
  margin: 24px 0 28px;
  display: grid;
  gap: 1px;
  background: var(--home-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .start-lines > div {
  background: rgba(244, 241, 233, .94);
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-home .start-lines dt {
  font-size: 13px;
  color: var(--rain);
}

.page-home .start-lines dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--deep);
  word-break: break-word;
}

.page-home .start-lines > div:last-child dd {
  font-family: var(--sans);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .season__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-home .index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .index-list > li {
    border-left: 1px solid var(--home-line);
  }

  .page-home .index-list > li:first-child {
    border-left: 0;
  }

  .page-home .index-link {
    padding: 6px 26px 6px 0;
  }

  .page-home .index-list > li:first-child .index-link {
    padding-left: 0;
  }

  .page-home .index-list > li:not(:first-child) .index-link {
    padding-left: 26px;
  }

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

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

  .page-home .start-lines > div:last-child {
    grid-column: 1 / -1;
  }

  .page-home .trust__folds {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .72fr);
    padding-block: clamp(76px, 10vw, 138px);
  }

  .page-home .lib__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-home .season__layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
  }

  .page-home .season-card:nth-child(2) {
    margin-top: 32px;
  }

  .page-home .season-card:nth-child(4) {
    margin-top: 16px;
  }

  .page-home .device__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-home .trust__layout {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }
}