.page-home {
  display: block;
  background: var(--paper);
  color: var(--text);
  overflow-wrap: break-word;
}

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

.page-home .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .media-cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  letter-spacing: .03em;
  color: var(--blue);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  padding: 12px 0 24px;
  background: var(--paper);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 14px;
}

.page-home .hero-main {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 26px 20px 22px;
}

.page-home .hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-home .hero-title {
  margin: 0 0 14px;
  font-size: clamp(25px, 6.4vw, 42px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.015em;
}

.page-home .hero-lead {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 247, 244, .78);
}

.page-home .hero-num {
  margin: 22px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(84px, 21vw, 180px);
  line-height: .78;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .hero-num {
    animation: home-num-fade 240ms linear both;
  }
}

@keyframes home-num-fade {
  from { opacity: .3; }
  to { opacity: 1; }
}

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-home .hero-domain {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: rgba(245, 247, 244, .66);
  word-break: break-all;
}

.page-home .hero-figure {
  margin: 0;
  padding: 14px;
  background: var(--grid);
}

.page-home .hero-figure .media {
  border: 1px solid var(--line);
}

.page-home .hero-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
}

.page-home .side-block {
  background: var(--paper);
  padding: 18px 20px;
}

.page-home .side-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-home .side-big {
  margin: 0 0 6px;
  font-size: clamp(22px, 5vw, 28px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-home .side-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--blue);
}

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

.page-home .quick-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.75;
}

.page-home .quick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 四维摘要条 ---------- */
.page-home .dim-bar {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-home .dim-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--grid);
}

.page-home .dim-title {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-home .dim-sub {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--blue);
}

.page-home .dim-svg {
  display: none;
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

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

.page-home .dim-list li {
  background: var(--paper);
}

.page-home .dim-list a {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text);
  transition: background var(--t-fast) linear, box-shadow var(--t-fast) linear;
}

.page-home .dim-list a:hover,
.page-home .dim-list a:focus-visible {
  background: var(--grid);
  box-shadow: inset 2px 0 0 var(--orange);
  outline: none;
}

.page-home .dim-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .dim-name {
  font-size: 15px;
  font-weight: 800;
}

.page-home .dim-note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--blue);
}

/* ---------- 章节通用 ---------- */
.page-home .section {
  padding: 38px 0;
  border-top: 1px solid var(--line);
}

.page-home .section--alt {
  background: var(--grid);
}

.page-home .sec-head {
  margin-bottom: 22px;
  max-width: 720px;
}

.page-home .sec-head h2 {
  margin: 8px 0 10px;
  font-size: clamp(21px, 4.8vw, 31px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-home .sec-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--blue);
  max-width: 46ch;
}

/* ---------- 01 官方标识 ---------- */
.page-home .identity-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .identity-left {
  background: var(--sea);
  color: var(--paper);
  padding: 22px 20px;
}

.page-home .id-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-home .id-domain {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.8vw, 21px);
  font-weight: 600;
  letter-spacing: .01em;
  word-break: break-all;
}

.page-home .id-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(245, 247, 244, .74);
}

.page-home .identity-list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-home .identity-list > div {
  background: var(--paper);
  padding: 13px 18px;
  display: grid;
  gap: 4px;
}

.page-home .identity-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--blue);
}

.page-home .identity-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  font-weight: 600;
}

.page-home .check-strip {
  margin-top: 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 16px 18px;
}

.page-home .check-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .01em;
}

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

.page-home .check-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 13px;
  line-height: 1.7;
}

.page-home .check-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  background: var(--orange);
  padding: 3px 0;
  text-align: center;
}

/* ---------- 02 额度对照 ---------- */
.page-home .quota-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .quota-rail {
  background: var(--ink);
  color: var(--paper);
  padding: 20px;
}

.page-home .rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-home .rail-steps {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .rail-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 247, 244, .86);
}

.page-home .rail-steps li span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
  padding-top: 2px;
}

.page-home .rail-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(140, 154, 166, .42);
  font-size: 12.5px;
  line-height: 1.85;
  color: rgba(245, 247, 244, .7);
}

.page-home .quota-rows {
  display: grid;
  gap: 12px;
}

.page-home .dev-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
  padding: 18px 20px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-home .dev-card--accent {
  border-top-color: var(--orange);
}

.page-home .dev-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-home .dev-head h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-home .dev-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--mint-deep);
  background: rgba(100, 224, 176, .3);
  padding: 2px 7px;
}

.page-home .dev-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
}

.page-home .dev-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color var(--t-fast) linear, border-color var(--t-fast) linear;
}

.page-home .dev-link:hover,
.page-home .dev-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
  outline: none;
}

.page-home .quota-figure,
.page-home .hub-figure,
.page-home .cycle-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 12px;
}

/* ---------- 03 版本线 ---------- */
.page-home .version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .ver-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-top-style: solid;
  padding: 18px 18px 20px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-home .ver-card--blue { border-top-color: var(--blue); }
.page-home .ver-card--orange { border-top-color: var(--orange); }
.page-home .ver-card--sea { border-top-color: var(--sea); }
.page-home .ver-card--mint { border-top-color: var(--mint); }

.page-home .ver-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-home .ver-card h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 900;
}

.page-home .ver-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--blue);
}

.page-home .version-cta {
  margin: 18px 0 0;
}

/* ---------- 04 栏目导览 ---------- */
.page-home .hub-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-home .hub-card {
  display: grid;
  gap: 6px;
  padding: 16px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  transition: border-color var(--t-fast) linear, transform var(--t-fast) linear, box-shadow var(--t-fast) linear;
}

.page-home .hub-card:hover,
.page-home .hub-card:focus-visible {
  border-color: var(--orange);
  transform: translateX(2px);
  box-shadow: -2px 0 0 var(--orange);
  outline: none;
}

.page-home .hub-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .hub-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
}

.page-home .hub-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--blue);
}

/* ---------- 05 更新节奏 ---------- */
.page-home .cycle-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .cycle-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}

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

.page-home .cycle-list li {
  background: var(--paper);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-home .c-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
  padding-top: 2px;
}

.page-home .cycle-list strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.page-home .cycle-list p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--blue);
}

.page-home .batch-list {
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-home .batch-item {
  border-bottom: 1px solid var(--line);
}

.page-home .batch-item:last-child {
  border-bottom: 0;
}

.page-home .batch-item summary {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto 14px;
  gap: 10px;
  align-items: center;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
  transition: background var(--t-fast) linear;
}

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

.page-home .batch-item summary:hover {
  background: var(--grid);
}

.page-home .batch-item[open] summary {
  background: var(--grid);
}

.page-home .b-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--sea);
}

.page-home .b-name {
  font-size: 13.5px;
  line-height: 1.6;
  font-weight: 600;
}

.page-home .b-state {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  padding: 2px 7px;
  background: var(--mint);
  color: var(--ink);
  white-space: nowrap;
}

.page-home .b-arrow {
  font-size: 0;
  line-height: 1;
  justify-self: end;
}

.page-home .b-arrow::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--orange);
}

.page-home .batch-item[open] .b-arrow::before {
  content: "−";
}

.page-home .b-body {
  padding: 0 14px 14px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--blue);
}

.page-home .b-body p {
  margin: 0;
}

/* ---------- 收尾 ---------- */
.page-home .home-close {
  background: var(--ink);
  color: var(--paper);
  padding: 34px 0 38px;
}

.page-home .close-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: end;
}

.page-home .close-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-home .home-close h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 4.4vw, 28px);
  line-height: 1.22;
  font-weight: 900;
}

.page-home .close-copy {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 247, 244, .76);
  word-break: break-word;
}

.page-home .close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-home .version-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-home .check-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .identity-list > div {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-home .b-body {
    padding-left: 72px;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
  }

  .page-home .hero-main {
    grid-row: 1 / span 2;
    padding: 34px 32px 28px;
  }

  .page-home .hero-figure {
    padding: 18px;
  }

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

  .page-home .dim-svg {
    display: block;
    width: 100%;
    height: 8px;
  }

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

  .page-home .identity-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }

  .page-home .quota-grid {
    grid-template-columns: 274px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-home .quota-rail {
    position: sticky;
    top: 24px;
  }

  .page-home .cycle-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .close-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-home .section {
    padding: 46px 0;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-num,
  .page-home .dim-list a,
  .page-home .hub-card,
  .page-home .dev-link,
  .page-home .batch-item summary {
    animation: none;
    transition: none;
  }
}