.page-home {
  --home-index-w: 240px;
  --home-sticky: 96px;
}

.page-home .breadcrumbs {
  padding-block: 18px 2px;
}

.page-home .section {
  padding-block: clamp(30px, 4.6vw, 60px);
}

.page-home .section[id] {
  scroll-margin-top: 90px;
}

.page-home .section__head {
  max-width: 70ch;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-home .section__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.22;
  margin: 8px 0 0;
}

.page-home .section__lead {
  margin-top: 12px;
  color: var(--paper-100);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.75;
}

.page-home .spark {
  display: block;
  width: min(240px, 62%);
  height: auto;
  margin-top: 16px;
  color: var(--cyan-500);
  opacity: .8;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-block: clamp(14px, 2.4vw, 28px) clamp(30px, 4.4vw, 56px);
}

.page-home .hero-grid {
  display: grid;
  gap: var(--gap);
}

.page-home .hero-index {
  padding: 16px 14px;
}

.page-home .hero-index__label {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold-400);
}

.page-home .hero-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-home .hero-index__link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    ".   meta";
  gap: 2px 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-s);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .hero-index__link .index-item__lead {
  grid-area: num;
  font-size: 13px;
  color: var(--mist-500);
}

.page-home .hero-index__link .index-item__title {
  grid-area: title;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-home .hero-index__link .index-item__meta {
  grid-area: meta;
  font-size: 12.5px;
  color: var(--mist-500);
}

.page-home .hero-index__link:hover,
.page-home .hero-index__link:focus-visible {
  background: rgba(31, 182, 201, .12);
  border-left-color: var(--cyan-500);
}

.page-home .hero-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--green-500);
}

.page-home .hero-canvas {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--glass);
}

.page-home .hero-figure {
  position: absolute;
  inset: 0;
  margin: 0;
}

.page-home .hero-figure img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-home .hero-canvas::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, rgba(11, 22, 36, .95) 0%, rgba(11, 22, 36, .76) 56%, rgba(11, 22, 36, .38) 100%);
}

.page-home .hero-body {
  position: relative;
  z-index: 1;
  padding: clamp(22px, 3.4vw, 44px);
}

.page-home .hero-body h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 4.4vw, 46px);
  line-height: 1.14;
  letter-spacing: .005em;
}

.page-home .hero-lead {
  max-width: 60ch;
  margin-top: 14px;
  color: var(--paper-100);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
}

.page-home .hero-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .hero-facts li {
  padding-top: 9px;
  border-top: 2px solid var(--gold-400);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-050);
}

.page-home .hero-facts li:nth-child(2) {
  border-top-color: var(--cyan-500);
}

.page-home .hero-facts li:nth-child(3) {
  border-top-color: var(--green-500);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 状态与筛选 ---------- */
.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-home .filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper-100);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .filter-chip:hover,
.page-home .filter-chip:focus-visible {
  border-color: var(--cyan-500);
  background: rgba(31, 182, 201, .13);
  color: var(--white);
}

.page-home .grid {
  display: grid;
  gap: var(--gap);
}

.page-home .status-card {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--glass-soft);
}

.page-home .status-card__top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-home .status-card__label {
  font-size: 13px;
  color: var(--mist-500);
  letter-spacing: .04em;
}

.page-home .status-num {
  margin: 2px 0 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.01em;
}

.page-home .status-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-100);
}

/* ---------- 图片 ---------- */
.page-home .figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-home .figure__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-800);
}

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

.page-home .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist-500);
}

.page-home .start-figure {
  margin-top: 0;
}

/* ---------- 第二栏明细 ---------- */
.page-home .grid--split {
  display: grid;
  gap: var(--gap);
}

.page-home .panel--paper {
  color: var(--black);
  border-radius: var(--r-m);
}

.page-home .panel--paper .panel__title {
  color: var(--black);
}

.page-home .detail-side {
  display: grid;
  gap: var(--gap);
  align-content: start;
}

.page-home .detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .detail-list .index-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 12px;
  padding: 12px 2px;
  border-bottom: 1px dashed rgba(10, 10, 10, .2);
}

.page-home .detail-list .index-item:last-child {
  border-bottom: 0;
}

.page-home .detail-list .index-item__lead {
  font-size: 14px;
  font-weight: 700;
  color: var(--red-600);
}

.page-home .detail-list .index-item__title {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--black);
}

.page-home .detail-list .index-item__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #50617a;
}

.page-home .meta-list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-home .meta-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}

.page-home .meta-list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .meta-list dt {
  font-size: 13px;
  color: var(--mist-500);
}

.page-home .meta-list dd {
  margin: 0;
  font-size: 14px;
  color: var(--white);
}

/* ---------- 新手上手 ---------- */
.page-home .steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .step {
  position: relative;
  padding: 16px 18px 16px 62px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--glass-soft);
}

.page-home .step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 2px 6px;
  border-radius: var(--r-s);
  background: var(--gold-400);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-home .step h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.page-home .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-100);
}

.page-home .start-links {
  margin-top: var(--gap);
  display: grid;
  gap: 12px;
}

.page-home .start-link {
  display: grid;
  gap: 6px;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan-500);
  border-radius: var(--r-m);
  background: rgba(27, 42, 65, .34);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .start-link--help {
  border-left-color: var(--red-600);
}

.page-home .start-link--trend {
  border-left-color: var(--gold-400);
}

.page-home .start-link strong {
  font-size: 15.5px;
  color: var(--white);
}

.page-home .start-link span {
  font-size: 14px;
  line-height: 1.68;
  color: var(--paper-100);
}

.page-home .start-link:hover,
.page-home .start-link:focus-visible {
  background: rgba(31, 182, 201, .12);
}

/* ---------- 问答与节奏 ---------- */
.page-home .qa-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .qa-item {
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--glass-soft);
}

.page-home .qa-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-050);
  cursor: pointer;
  list-style: none;
}

.page-home .qa-item summary::-webkit-details-marker {
  display: none;
}

.page-home .qa-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan-500);
}

.page-home .qa-item[open] summary::after {
  content: "–";
  color: var(--gold-400);
}

.page-home .qa-item p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--paper-100);
}

.page-home .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .rhythm-list li {
  display: grid;
  gap: 3px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.page-home .rhythm-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .rhythm-list .u-mono {
  font-size: 12.5px;
  color: var(--gold-400);
}

.page-home .rhythm-list span:last-child {
  font-size: 14px;
  line-height: 1.68;
  color: var(--paper-100);
}

.page-home .rhythm-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-500);
}

/* ---------- 路径 ---------- */
.page-home .path-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-m);
  text-decoration: none;
  background: linear-gradient(158deg, rgba(215, 38, 61, .18), rgba(27, 42, 65, .55));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .path-card--help {
  background: linear-gradient(158deg, rgba(31, 182, 201, .18), rgba(27, 42, 65, .55));
}

.page-home .path-card--reach {
  background: linear-gradient(158deg, rgba(224, 165, 38, .2), rgba(27, 42, 65, .55));
}

.page-home .path-card__index {
  font-size: 12.5px;
  color: var(--white);
  opacity: .7;
}

.page-home .path-card strong {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  color: var(--white);
}

.page-home .path-card span:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-100);
}

.page-home .path-card:hover,
.page-home .path-card:focus-visible {
  border-color: var(--white);
}

.page-home .paths-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-500);
}

.page-home .paths-note a {
  color: var(--cyan-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .detail-list .index-item {
    grid-template-columns: 74px minmax(0, 1fr) auto;
    align-items: baseline;
  }

  .page-home .detail-list .index-item__meta {
    grid-column: 3;
    text-align: right;
  }
}

@media (min-width: 760px) {
  .page-home .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .start-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: var(--home-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .hero-index {
    position: sticky;
    top: var(--home-sticky);
    max-height: calc(100vh - var(--home-sticky) - 24px);
    overflow-y: auto;
  }
}

@media (min-width: 1040px) {
  .page-home .grid--split {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
    align-items: start;
  }

  .page-home .qa-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-index__link,
  .page-home .filter-chip,
  .page-home .start-link,
  .page-home .path-card {
    transition: none;
  }
}