.page-home {
  --home-line: rgba(122, 146, 170, .28);
  --home-faint: var(--slate);
  --home-amber: var(--amber);
  --home-gap: clamp(18px, 2.6vw, 30px);
  color: var(--fg);
  background: var(--ink-900);
  overflow-x: clip;
}

.page-home .band--paper {
  --home-line: rgba(11, 27, 43, .16);
  --home-faint: rgba(11, 27, 43, .64);
  --home-amber: #A56D14;
}

.page-home a:focus-visible,
.page-home button:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--amber-light);
  outline-offset: 3px;
}

.page-home .band--paper a:focus-visible,
.page-home .band--paper summary:focus-visible {
  outline-color: #8A5A0B;
}

/* ---------- 首屏框景 ---------- */

.page-home .hero {
  padding-block: clamp(20px, 3vw, 34px) clamp(48px, 7vw, 92px);
  background:
    radial-gradient(120% 76% at 84% 6%, rgba(217, 154, 43, .10), transparent 62%),
    var(--ink-900);
}

.page-home .crumbs {
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-home .archive-frame {
  position: relative;
  margin-top: 12px;
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid var(--home-line);
  border-top: 2px solid var(--amber);
  background: linear-gradient(165deg, rgba(19, 42, 63, .74), rgba(6, 18, 29, .48));
}

.page-home .archive-frame::before {
  content: "";
  position: absolute;
  inset: -10px 0 auto 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, rgba(217, 154, 43, .7) 0 1px, transparent 1px 14px);
  pointer-events: none;
}

.page-home .archive-frame::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 18px;
  height: 18px;
  border-right: 2px solid rgba(217, 154, 43, .55);
  border-bottom: 2px solid rgba(217, 154, 43, .55);
  pointer-events: none;
}

.page-home .frame-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-home .hero-title-num {
  display: block;
  margin-bottom: 14px;
  font-size: clamp(.7rem, 1.6vw, .8rem);
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: clamp(.94rem, 1.6vw, 1.02rem);
  line-height: 1.85;
  color: var(--slate);
}

.page-home .hero-actions {
  margin-top: clamp(20px, 3vw, 28px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid rgba(127, 179, 162, .55);
  font-size: .8rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .frame-thumb {
  margin: clamp(22px, 3vw, 30px) 0 0;
  border: 1px solid var(--home-line);
  overflow: hidden;
  background: var(--ink-950);
}

.page-home .frame-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .frame-figure {
  margin: 0;
  border: 1px solid var(--home-line);
  overflow: hidden;
  background: var(--ink-950);
}

.page-home .frame-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .version-board {
  margin-top: 14px;
  padding: 14px clamp(14px, 2vw, 20px) 16px;
  display: grid;
  gap: 14px;
  border: 1px solid var(--home-line);
  background: rgba(6, 18, 29, .66);
}

.page-home .vb-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .vb-head-note {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-home .vb-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-home .vb-stats > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 5px;
  padding-left: 10px;
  border-left: 2px solid rgba(217, 154, 43, .42);
}

.page-home .vb-stats dt {
  font-size: .72rem;
  line-height: 1.5;
  color: var(--slate);
}

.page-home .vb-stats dd {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 500;
  line-height: 1;
  color: var(--amber);
}

/* ---------- 服务范围索引 ---------- */

.page-home .services {
  padding-block: clamp(48px, 7vw, 92px);
}

.page-home .sec-head {
  max-width: 64ch;
}

.page-home .sec-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.2;
}

.page-home .sec-head .lede {
  margin: 14px 0 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--home-faint);
}

.page-home .cat-grid {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .cat-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 12px;
  row-gap: 6px;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--paper);
  transition: background .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-home .cat-num {
  font-size: 1.3rem;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--home-amber);
}

.page-home .cat-item--hot .cat-num::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 9px;
  border-radius: 50%;
  background: var(--celadon);
  vertical-align: 2px;
}

.page-home .cat-name {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.02rem;
  line-height: 1.4;
}

.page-home .cat-desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(11, 27, 43, .66);
}

.page-home .cat-item:hover {
  z-index: 1;
  background: #FBF7ED;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(6, 18, 29, .12);
}

.page-home .services-foot {
  margin-top: clamp(24px, 3.5vw, 36px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-home .services-foot .note {
  margin: 0;
  max-width: 58ch;
  font-size: .82rem;
  line-height: 1.8;
  color: var(--home-faint);
}

/* ---------- 变更记录 ---------- */

.page-home .log {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-home .log-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-home .split-num {
  margin: 0 0 8px;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1;
  letter-spacing: .04em;
  color: rgba(217, 154, 43, .22);
  -webkit-text-stroke: 1px rgba(217, 154, 43, .6);
}

.page-home .log-aside h2 {
  margin: 6px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
  line-height: 1.22;
  color: var(--paper);
}

.page-home .log-lede {
  margin: 14px 0 0;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-home .log-aside .btn {
  margin-top: 20px;
}

.page-home .log-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(16px, 2.4vw, 24px);
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  border-left: 1px solid var(--home-line);
}

.page-home .log-item {
  position: relative;
}

.page-home .log-item::before {
  content: "";
  position: absolute;
  top: .45em;
  left: calc(-1 * clamp(16px, 2.4vw, 24px) - 5px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--celadon);
}

.page-home .log-item--current::before {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(217, 154, 43, .16);
}

.page-home .log-meta {
  margin: 0 0 6px;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--celadon);
}

.page-home .log-item--current .log-meta {
  color: var(--amber-light);
}

.page-home .log-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.06rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-home .log-item p {
  margin: 8px 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .log-figure {
  margin: clamp(26px, 3.5vw, 36px) 0 0;
}

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

.page-home .log-figure .media-cap {
  margin-top: 10px;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 两端对照 ---------- */

.page-home .compare {
  padding-block: clamp(48px, 7vw, 92px);
}

.page-home .compare-grid {
  margin-top: clamp(24px, 3.5vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.2vw, 22px);
}

.page-home .compare-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: #FBF7ED;
  border: 1px solid var(--home-line);
  border-top: 3px solid var(--ink-800);
}

.page-home .compare-card--mobile {
  border-top-color: var(--celadon);
}

.page-home .compare-tag {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--home-faint);
}

.page-home .compare-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.2vw, 1.32rem);
  line-height: 1.4;
}

.page-home .compare-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .compare-card li {
  position: relative;
  padding-left: 16px;
  font-size: .88rem;
  line-height: 1.72;
  color: rgba(11, 27, 43, .72);
}

.page-home .compare-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--home-amber);
}

.page-home .compare-fit {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--home-line);
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(11, 27, 43, .66);
}

.page-home .compare-fit span {
  margin-right: 8px;
  font-family: var(--font-mono);
  color: var(--home-amber);
}

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

.page-home .compare-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--home-line);
}

.page-home .compare-figure .media-cap {
  margin-top: 10px;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--home-faint);
}

/* ---------- 站点索引 ---------- */

.page-home .index-band {
  padding-block: clamp(48px, 7vw, 92px);
}

.page-home .index-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-home .index-intro h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.2;
  color: var(--paper);
}

.page-home .index-intro p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-home .index-intro .btn {
  margin-top: 20px;
}

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

.page-home .index-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 16px;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-800);
  transition: background .18s var(--ease);
}

.page-home .index-list li:hover {
  background: #17344C;
}

.page-home .index-key {
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-home .index-list h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: .98rem;
  color: var(--paper);
}

.page-home .index-list p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .bookmark-card {
  margin-top: clamp(26px, 4vw, 40px);
  border: 1px dashed rgba(217, 154, 43, .45);
  background: rgba(6, 18, 29, .6);
}

.page-home .bookmark-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 2.4vw, 22px);
  list-style: none;
  cursor: pointer;
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--amber-light);
}

.page-home .bookmark-card summary::-webkit-details-marker {
  display: none;
}

.page-home .bookmark-card summary::after {
  content: "+";
  font-size: 1.05rem;
  line-height: 1;
  color: var(--amber);
}

.page-home .bookmark-card[open] summary::after {
  content: "−";
}

.page-home .bookmark-body {
  padding: 16px clamp(16px, 2.4vw, 22px) clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--home-line);
}

.page-home .bookmark-body p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .bookmark-body ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .bookmark-body li {
  position: relative;
  padding-left: 14px;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .bookmark-body li::before {
  content: "·";
  position: absolute;
  left: 3px;
  color: var(--amber);
}

/* ---------- 维护节奏与联系 ---------- */

.page-home .cadence {
  padding-block: clamp(48px, 7vw, 92px);
}

.page-home .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-home .cadence-main h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
  line-height: 1.22;
}

.page-home .cadence-main p {
  margin: 14px 0 0;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--home-faint);
}

.page-home .cadence-stats {
  margin: clamp(20px, 3vw, 28px) 0 0;
  display: grid;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .cadence-stats > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  background: #FBF7ED;
}

.page-home .cadence-stats dt {
  min-width: 5.4em;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--home-amber);
}

.page-home .cadence-stats dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
  color: rgba(11, 27, 43, .75);
}

.page-home .cadence-note {
  margin-top: 16px;
  font-size: .8rem;
  line-height: 1.8;
  color: var(--home-faint);
}

.page-home .connect-card {
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
}

.page-home .connect-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
  color: var(--paper);
}

.page-home .connect-card > p {
  margin: 12px 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .connect-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .connect-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: .88rem;
}

.page-home .connect-list span {
  min-width: 2.6em;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--celadon);
}

.page-home .connect-list a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 154, 43, .5);
  padding-bottom: 1px;
  word-break: break-all;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-home .connect-list a:hover {
  color: var(--amber-light);
  border-color: var(--amber-light);
}

.page-home .connect-faq {
  margin-top: 16px;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .connect-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .frame-grid {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
    align-items: start;
  }

  .page-home .frame-thumb img {
    aspect-ratio: 4 / 5;
  }

  .page-home .log-split {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
    align-items: start;
  }

  .page-home .index-layout {
    grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-home .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .cadence-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-item,
  .page-home .index-list li,
  .page-home .connect-list a {
    transition: none;
  }

  .page-home .cat-item:hover {
    transform: none;
  }
}