.page-home {
  --home-gap: clamp(18px, 2.6vw, 34px);
  --home-stagger: clamp(0px, 2.2vw, 30px);
  --home-focus: 2px solid var(--c-ember);
}

.page-home a:focus-visible,
.page-home button:focus-visible,
.page-home summary:focus-visible {
  outline: var(--home-focus);
  outline-offset: 3px;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(52px, 8vw, 104px);
  background:
    linear-gradient(168deg, var(--c-mist) 0%, var(--c-cloud) 46%, var(--c-cloud) 100%);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(128deg, transparent 58%, rgba(27, 127, 168, 0.10) 58%, rgba(27, 127, 168, 0.10) 60%, transparent 60%),
    linear-gradient(128deg, transparent 70%, rgba(255, 122, 61, 0.10) 70%, rgba(255, 122, 61, 0.10) 71%, transparent 71%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(30px, 6vw, 68px);
}

.page-home .hero__context {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mute);
}

.page-home .hero__title {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 7.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-home .hero__lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-home .hero__meter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
}

.page-home .hero__meter-text {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-mute);
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
}

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

.page-home .hero__badge {
  position: absolute;
  top: clamp(10px, 2vw, 20px);
  right: clamp(10px, 2vw, 20px);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 14px;
  background: var(--c-ink);
  color: var(--c-cloud);
  border: var(--edge);
  box-shadow: var(--lift-sm);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
  transform: rotate(-1.5deg);
  transition: transform 180ms var(--ease);
}

.page-home .hero__badge em {
  font-style: normal;
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
}

.page-home .hero__badge:hover {
  transform: rotate(-1.5deg) scale(1.05);
}

/* ============ 三条入口带 ============ */
.page-home .gate-list {
  list-style: none;
  margin: clamp(38px, 6vw, 68px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--home-gap);
}

.page-home .gate {
  background: var(--c-cloud);
  border: var(--edge);
  box-shadow: var(--lift);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .gate:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--c-line);
}

.page-home .gate__link {
  display: block;
  height: 100%;
  padding: clamp(20px, 3vw, 30px);
  color: inherit;
  text-decoration: none;
}

.page-home .gate__num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mid);
}

.page-home .gate__label {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.12rem, 2.3vw, 1.42rem);
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--c-ink);
}

.page-home .gate__desc {
  display: block;
  margin-bottom: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-text);
}

.page-home .gate__go {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-dawn);
  border-bottom: 2px solid var(--c-ember);
}

/* ============ 工具台 ============ */
.page-home .toolbench__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

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

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

.page-home .toolbench__intro {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-text);
  max-width: 58ch;
}

.page-home .toolbench__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.6vw, 22px);
}

.page-home .toolbench__tabs .tabs__tab {
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-text);
  background: var(--c-cloud);
  border: var(--edge);
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}

.page-home .toolbench__tabs .tabs__tab:hover {
  background: var(--c-mist);
}

.page-home .toolbench__tabs .tabs__tab[aria-selected="true"] {
  background: var(--c-ink);
  color: var(--c-cloud);
}

.page-home .toolbench__tabs .tabs__panel {
  padding: clamp(20px, 3vw, 30px);
  background: var(--c-mist);
  border: var(--edge);
  box-shadow: var(--lift-sm);
}

.page-home .toolbench__tabs .tabs__panel p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
}

/* ============ 筛选对照 ============ */
.page-home .filter-section {
  position: relative;
  overflow: hidden;
}

.page-home .filter-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(27, 127, 168, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 127, 168, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-home .filter-section > .container {
  position: relative;
  z-index: 1;
}

.page-home .filter-grid {
  display: grid;
  gap: clamp(24px, 3vw, 36px);
}

.page-home .filter-rail {
  height: fit-content;
  background: var(--c-cloud);
  border: var(--edge);
  box-shadow: var(--lift-sm);
}

.page-home .filter-rail__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  border-bottom: var(--edge);
}

.page-home .filter-rail__summary::-webkit-details-marker {
  display: none;
}

.page-home .filter-rail:not([open]) .filter-rail__summary {
  border-bottom: 0;
}

.page-home .filter-rail__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .filter-rail__chips {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--c-num);
}

.page-home .filter-rail__body {
  padding: clamp(16px, 2.4vw, 22px);
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-home .filter-group__title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mute);
}

.page-home .filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .filter-chip {
  padding: 5px 11px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-text);
  background: var(--c-cloud);
  border: 1px solid rgba(16, 32, 44, 0.28);
}

.page-home .filter-chip.is-on {
  color: var(--c-cloud);
  background: var(--c-dawn);
  border-color: var(--c-line);
  box-shadow: 2px 2px 0 var(--c-line);
}

.page-home .filter-result__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  margin-bottom: 12px;
}

.page-home .filter-result__count {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .filter-result__note {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-mute);
}

.page-home .result-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .result-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--c-cloud);
  border: var(--edge);
}

.page-home .result-table th {
  padding: 12px 14px;
  background: var(--c-ink);
  color: var(--c-cloud);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-align: left;
  white-space: nowrap;
}

.page-home .result-table td {
  padding: 13px 14px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-text);
  border-top: 1px solid rgba(16, 32, 44, 0.14);
  white-space: nowrap;
}

.page-home .result-table tbody tr {
  transition: background 140ms var(--ease);
}

.page-home .result-table tbody tr:hover {
  background: var(--c-mist);
}

.page-home .result-table tbody td:first-child {
  box-shadow: inset 3px 0 0 transparent;
  transition: box-shadow 140ms var(--ease);
}

.page-home .result-table tbody tr:hover td:first-child {
  box-shadow: inset 3px 0 0 var(--c-ember);
}

.page-home .result-table .num {
  color: var(--c-num);
}

.page-home .filter-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

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

/* ============ 面板对比 ============ */
.page-home .panel-compare {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-home .panel-slot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 156px;
  padding: 18px;
  background: var(--c-cloud);
  border: var(--edge);
  box-shadow: var(--lift-sm);
}

.page-home .panel-slot__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mid);
}

.page-home .panel-slot__cond {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .panel-slot__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(16, 32, 44, 0.16);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-mute);
}

.page-home .panel-note {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(18px, 2.8vw, 26px);
  background: var(--c-mist);
  border: var(--edge);
}

.page-home .panel-note__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-text);
  max-width: 62ch;
}

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

/* ============ 移动端三步 ============ */
.page-home .mobile-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .step-list {
  display: grid;
  gap: clamp(20px, 2.8vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-home .step__num {
  display: block;
  padding-top: 2px;
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  line-height: 1;
  color: var(--c-dawn);
}

.page-home .step__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 2vw, 1.14rem);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .step__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--c-text);
}

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

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

/* ============ 更新节奏 ============ */
.page-home .rhythm .section__title {
  color: var(--c-cloud);
}

.page-home .rhythm .section__sub {
  color: rgba(255, 255, 255, 0.74);
}

.page-home .rhythm .section__num {
  color: var(--c-ember);
}

.page-home .rhythm-grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
}

.page-home .rhythm-slot {
  padding: clamp(20px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.26);
}

.page-home .rhythm-slot__time {
  display: block;
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 6.4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--c-cloud);
}

.page-home .rhythm-slot__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-ember);
}

.page-home .rhythm-slot__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.78);
}

.page-home .rhythm-facts {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: clamp(32px, 4.4vw, 52px) 0 0;
  padding: clamp(20px, 3vw, 28px) 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.page-home .rhythm-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-home .rhythm-fact .num {
  font-size: clamp(1.5rem, 3.6vw, 2rem);
  line-height: 1;
  color: var(--c-cloud);
}

.page-home .rhythm-fact em {
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.7);
}

/* ============ 章节预览 ============ */
.page-home .chapter-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-home .chapter-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--c-cloud);
  border: var(--edge);
  box-shadow: var(--lift-sm);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .chapter-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--c-line);
}

.page-home .chapter-card__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-mid);
}

.page-home .chapter-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 1.9vw, 1.16rem);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .chapter-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-text);
}

.page-home .chapter-card__link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-dawn);
  text-decoration: none;
  border-bottom: 2px solid var(--c-ember);
  align-self: flex-start;
}

/* ============ 断点 ============ */
@media (min-width: 720px) {
  .page-home .gate-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .gate:nth-child(2) {
    margin-top: var(--home-stagger);
  }

  .page-home .gate:nth-child(3) {
    margin-top: calc(var(--home-stagger) * 2);
  }

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

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

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

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

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(40px, 5vw, 76px);
  }

  .page-home .toolbench__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-home .mobile-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.7fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

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

  .page-home .panel-note .btn {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-home .filter-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 3.4vw, 44px);
  }
}

@media (min-width: 1080px) {
  .page-home .panel-compare {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .panel-slot:nth-child(2),
  .page-home .panel-slot:nth-child(4) {
    transform: translateY(14px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .gate,
  .page-home .chapter-card,
  .page-home .hero__badge {
    transition: none;
  }

  .page-home .gate:hover,
  .page-home .chapter-card:hover {
    transform: none;
  }

  .page-home .hero__badge:hover {
    transform: rotate(-1.5deg);
  }
}