.page-home {
  padding-bottom: 88px;
}

.page-home .container {
  padding-inline: 16px;
}

@media (min-width: 768px) {
  .page-home .container {
    padding-inline: 24px;
  }
}

/* ---------- 首屏框景 ---------- */

.page-home .home-hero {
  padding-top: 24px;
}

.page-home .hero-frame {
  position: relative;
  padding: 20px 16px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-home .hero-frame {
    padding: 30px 34px 34px;
  }
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--red);
  pointer-events: none;
}

.page-home .hero-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-home .hero-frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-home .hero-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-home .hero-top {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

@media (min-width: 900px) {
  .page-home .hero-top {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-home .hero-lead {
  margin: 16px 0 0;
  max-width: 34ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

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

/* ---------- 临时查 ---------- */

.page-home .home-find {
  margin-top: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.page-home .home-find__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

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

.page-home .home-find__summary::after {
  content: "";
  display: none;
}

.page-home .home-find__glyph {
  flex: none;
  color: var(--red);
}

.page-home .home-find__hint {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .home-find__cue {
  flex: none;
  padding: 4px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text);
  background: rgba(46, 196, 182, 0.16);
  border: 1px solid rgba(46, 196, 182, 0.36);
}

.page-home .home-find[open] .home-find__cue {
  background: rgba(215, 38, 61, 0.14);
  border-color: rgba(215, 38, 61, 0.34);
}

.page-home .home-find__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px;
  border-top: 1px dashed var(--line);
}

.page-home .find-key {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  background: rgba(46, 196, 182, 0.12);
  border: 1px solid rgba(46, 196, 182, 0.3);
  border-bottom-width: 3px;
  border-bottom-color: transparent;
  transition: border-bottom-color 160ms ease-out;
}

.page-home .find-key:hover,
.page-home .find-key:focus-visible {
  border-bottom-color: var(--mint);
}

/* ---------- 分类标签墙 ---------- */

.page-home .category-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.page-home .cat-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: border-bottom-color 160ms ease-out, transform 160ms ease-out;
}

.page-home .cat-chip:nth-child(3n + 1) {
  background: rgba(215, 38, 61, 0.13);
}

.page-home .cat-chip:nth-child(3n + 2) {
  background: rgba(244, 162, 89, 0.2);
}

.page-home .cat-chip:nth-child(3n) {
  background: rgba(46, 196, 182, 0.16);
}

.page-home .cat-chip:hover,
.page-home .cat-chip:focus-visible {
  border-bottom-color: var(--red);
  transform: translateY(-2px);
}

/* ---------- 章节骨架 ---------- */

.page-home .chapter {
  padding-top: 56px;
}

@media (min-width: 768px) {
  .page-home .chapter {
    padding-top: 76px;
  }
}

.page-home .chapter__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (min-width: 860px) {
  .page-home .chapter__head {
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }
}

.page-home .chapter__num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--red);
}

@media (min-width: 860px) {
  .page-home .chapter__num {
    font-size: 36px;
    line-height: 0.95;
    letter-spacing: 0;
  }
}

.page-home .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--text);
}

.page-home .chapter__meta {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-home .chapter__meta {
    grid-column: 2;
  }
}

/* ---------- 通用正文 ---------- */

.page-home .body-text {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-home .body-text--tight {
  margin-bottom: 0;
  font-size: 15px;
  color: var(--muted);
}

.page-home .mark-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .mark-list li {
  position: relative;
  padding: 9px 0 9px 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}

.page-home .mark-list li::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 0;
  width: 10px;
  height: 3px;
  background: var(--red);
}

.page-home .mark-list li:nth-child(2n)::before {
  background: var(--gold);
}

.page-home .mark-list li:nth-child(3n)::before {
  background: var(--mint);
}

/* ---------- 两栏通用布局 ---------- */

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

@media (min-width: 860px) {
  .page-home .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }
}

.page-home .split__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-home .split__figure img {
  display: block;
  width: 100%;
  height: auto;
}

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

  .page-home .split--flip .split__main {
    order: 2;
  }

  .page-home .split--flip .split__figure {
    order: 1;
  }
}

/* ---------- 覆盖方向表 ---------- */

.page-home .cover-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-home .cover-list__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.page-home .cover-list__row:last-child {
  border-bottom: 0;
}

.page-home .cover-list__name {
  min-width: 72px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-home .cover-list__tags {
  flex: 1 1 auto;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .aside-note {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 三步上手 ---------- */

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

@media (min-width: 800px) {
  .page-home .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-home .step {
  padding: 20px 18px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
}

.page-home .step--gold {
  border-top-color: var(--gold);
}

.page-home .step--mint {
  border-top-color: var(--mint);
}

.page-home .step__idx {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-home .step--gold .step__idx {
  color: var(--graphite);
}

.page-home .step--mint .step__idx {
  color: var(--graphite);
}

.page-home .step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}

.page-home .step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 导出区 ---------- */

.page-home .export-block {
  display: grid;
  gap: 22px;
  padding: 20px;
  background: rgba(244, 162, 89, 0.1);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
}

@media (min-width: 900px) {
  .page-home .export-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
    padding: 30px 32px;
    align-items: center;
  }
}

.page-home .export-block__figure {
  margin: 0;
  background: var(--ink-deep);
  border: 1px solid var(--line);
}

.page-home .export-block__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .export-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 18px;
}

.page-home .export-point {
  padding: 14px 12px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.page-home .export-point__num {
  display: block;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--red);
}

.page-home .export-point__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 规模面板 ---------- */

.page-home .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 880px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .stat {
  padding: 20px 16px 22px;
  background: var(--surface);
}

.page-home .stat__num {
  display: block;
  font-size: clamp(26px, 4.2vw, 40px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--red);
}

.page-home .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.page-home .stat__note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 帮助与联络 ---------- */

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

@media (min-width: 800px) {
  .page-home .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-home .help-card {
  padding: 24px 20px 26px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  background: var(--surface);
}

.page-home .help-card--ink {
  border-top-color: var(--ink);
}

.page-home .help-card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
}

.page-home .help-card__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
}

.page-home .contact-line__value {
  font-size: 13px;
  word-break: break-all;
  color: var(--text);
}

.page-home .help-card .btn + .btn,
.page-home .help-card .contact-line + .btn {
  margin-top: 0;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-chip,
  .page-home .find-key {
    transition: none;
  }

  .page-home .cat-chip:hover,
  .page-home .cat-chip:focus-visible {
    transform: none;
  }
}
<<<END>>>