/* ================= page-home ================= */

.page-home {
  display: block;
  overflow-x: hidden;
}

/* ---------- 位置提示 ---------- */
.page-home .page-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding-top: 1.8rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .page-context-sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.8rem, 5vw, 3.4rem) 0 clamp(2.6rem, 6vw, 4.6rem);
  isolation: isolate;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -20% -12% auto -12%;
  height: 135%;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(46% 58% at 84% 6%, rgba(227, 169, 60, .13), transparent 62%),
    radial-gradient(40% 54% at 2% 90%, rgba(122, 107, 214, .15), transparent 64%);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to bottom, rgba(58, 68, 89, .55) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(to right, rgba(58, 68, 89, .55) 0 1px, transparent 1px 76px);
  opacity: .22;
  -webkit-mask-image: radial-gradient(72% 68% at 52% 42%, #000 0%, transparent 82%);
  mask-image: radial-gradient(72% 68% at 52% 42%, #000 0%, transparent 82%);
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-home .hero-rail {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.15rem 1.15rem 1.3rem;
  background: linear-gradient(180deg, rgba(10, 12, 18, .78), rgba(14, 23, 48, .28));
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, .95);
}

.page-home .rail-stats {
  margin: .95rem 0 0;
  display: grid;
  gap: .55rem;
}

.page-home .rail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px dashed rgba(58, 68, 89, .8);
}

.page-home .rail-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .rail-row dt {
  font-size: .82rem;
  color: var(--slate);
}

.page-home .rail-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-home .rail-note {
  margin: 1.05rem 0 0;
  padding-left: .7rem;
  border-left: 2px solid var(--gold);
  font-size: .79rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .hero-kicker {
  margin: 0 0 .95rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-home .hero h1 {
  margin: 0;
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.025em;
  color: var(--paper);
}

.page-home .hero-title-sub {
  display: block;
  margin-top: .6rem;
  font-size: .38em;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--paper-dim);
}

.page-home .hero-lead {
  margin: 1.35rem 0 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--paper-dim);
}

.page-home .hero-actions {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 1.7rem 0 0;
  padding: 0;
}

.page-home .hero-visual {
  position: relative;
  width: min(720px, 100%);
  margin: clamp(1.6rem, 4vw, 2.4rem) auto 0;
  opacity: .58;
  pointer-events: none;
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  filter: saturate(.5) contrast(1.06) brightness(.92);
}

/* ---------- 通用区块 ---------- */
.page-home .section {
  padding: clamp(2.6rem, 6vw, 4.8rem) 0;
}

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

.page-home .section-note {
  margin: .85rem 0 0;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--slate);
}

/* ---------- 系列入口 ---------- */
.page-home .series-band {
  margin-top: clamp(1.5rem, 3vw, 2.1rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .series-band img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 300px);
  object-fit: cover;
  opacity: .8;
  filter: saturate(.55) contrast(1.08);
}

.page-home .series-grid {
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
}

.page-home .series-block {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.2rem 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(165deg, rgba(243, 239, 230, .045), rgba(10, 12, 18, .38) 72%);
  transition: border-color .26s var(--ease), box-shadow .26s var(--ease), background .26s var(--ease);
}

.page-home .series-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent, var(--gold)) 0%, transparent 78%);
}

.page-home .series-block--l01 { --accent: var(--gold); }
.page-home .series-block--l02 { --accent: var(--cinnabar); }
.page-home .series-block--l03 { --accent: var(--celadon); }
.page-home .series-block--l04 { --accent: var(--violet); }

.page-home .series-block:hover,
.page-home .series-block:focus-visible {
  border-color: var(--accent, var(--gold));
  background: linear-gradient(165deg, rgba(243, 239, 230, .07), rgba(10, 12, 18, .38) 72%);
  box-shadow: 0 20px 42px -32px var(--accent, var(--gold));
}

.page-home .series-code {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--accent, var(--gold));
}

.page-home .series-name {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-home .series-count {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  margin: 0;
  font-size: .84rem;
  color: var(--slate);
}

.page-home .series-num {
  font-family: var(--font-mono);
  font-size: 1.95rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--accent, var(--gold));
}

.page-home .series-desc {
  margin: .25rem 0 0;
  font-size: .86rem;
  line-height: 1.82;
  color: var(--paper-dim);
}

.page-home .series-foot {
  margin-top: auto;
  padding-top: .85rem;
  border-top: 1px solid rgba(58, 68, 89, .78);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--slate);
}

/* ---------- 响应时限（浅色章节） ---------- */
.page-home .section--deadline {
  --deep-ink: #12172A;
  --deep-mut: #5A6478;
  --deep-gold: #8A6410;
  background: var(--paper);
  color: #2A2F3A;
  border-top: 1px solid rgba(58, 68, 89, .35);
  border-bottom: 1px solid rgba(58, 68, 89, .35);
}

.page-home .section--deadline .section-title {
  color: var(--deep-ink);
}

.page-home .section--deadline .section-note {
  color: var(--deep-mut);
}

.page-home .section--deadline .mono-label {
  color: var(--deep-gold);
}

.page-home .deadline-list {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}

.page-home .deadline-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.25rem 1.15rem 1.3rem;
  border: 1px solid rgba(18, 23, 42, .16);
  border-radius: var(--radius-card);
  background: #FFFFFF;
}

.page-home .deadline-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.15rem;
  right: 1.15rem;
  height: 2px;
  background: var(--tier, var(--deep-gold));
  opacity: .78;
}

.page-home .deadline-card--t1 { --tier: #2F7A5E; }
.page-home .deadline-card--t2 { --tier: #A8781A; }
.page-home .deadline-card--t3 { --tier: #B84425; }

.page-home .deadline-tier {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--tier, var(--deep-gold));
}

.page-home .deadline-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4.6vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--deep-ink);
}

.page-home .deadline-unit {
  margin-left: .35rem;
  font-size: .38em;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--deep-mut);
}

.page-home .deadline-scope {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--deep-mut);
}

.page-home .deadline-use {
  margin: .2rem 0 0;
  font-size: .88rem;
  line-height: 1.85;
  color: #2A2F3A;
}

.page-home .deadline-more {
  margin: 1.5rem 0 0;
}

/* ---------- 内联链接 ---------- */
.page-home .link-inline {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 169, 60, .42);
  padding-bottom: .16rem;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.page-home .link-inline:hover,
.page-home .link-inline:focus-visible {
  border-color: var(--gold);
  color: #F0C260;
}

.page-home .section--deadline .link-inline,
.page-home .service-note .link-inline {
  color: var(--gold);
}

.page-home .section--deadline .link-inline {
  color: var(--deep-gold);
  border-color: rgba(138, 100, 16, .42);
}

.page-home .section--deadline .link-inline:hover,
.page-home .section--deadline .link-inline:focus-visible {
  border-color: var(--deep-gold);
  color: #6E4E0A;
}

/* ---------- 城市适配带 ---------- */
.page-home .city-scroller {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-left: max(1rem, calc((100vw - var(--rail)) / 2));
  padding-right: max(1rem, calc((100vw - var(--rail)) / 2));
  padding-bottom: .8rem;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-home .city-scroller:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.page-home .city-track {
  display: flex;
  gap: 1rem;
  width: max-content;
  padding-bottom: .4rem;
}

.page-home .city-tier {
  scroll-snap-align: start;
  flex: 0 0 auto;
  width: min(78vw, 340px);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.25rem 1.2rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(243, 239, 230, .05), rgba(10, 12, 18, .42));
}

.page-home .city-tier--t1 { --tier: var(--celadon); width: min(84vw, 410px); }
.page-home .city-tier--t2 { --tier: var(--gold); }
.page-home .city-tier--t3 { --tier: var(--cinnabar); }

.page-home .city-tier-name {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--tier);
}

.page-home .city-tier-count {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .city-tier-unit {
  margin-left: .3rem;
  font-size: .3em;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-home .city-req {
  list-style: none;
  margin: .45rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-home .city-req li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .85rem;
  line-height: 1.78;
  color: var(--paper-dim);
}

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

.page-home .city-base {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .city-base img {
  display: block;
  width: 100%;
  height: clamp(120px, 20vw, 220px);
  object-fit: cover;
  opacity: .55;
  filter: saturate(.5) contrast(1.05);
}

.page-home .city-foot {
  margin: 1.15rem 0 0;
  font-size: .88rem;
  line-height: 1.9;
  color: var(--slate);
}

.page-home .city-foot .link-inline {
  margin: 0 .25rem;
}

/* ---------- 期次摘录 ---------- */
.page-home .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.6rem);
}

.page-home .archive-list {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.7rem) 0 0;
  padding: 0;
}

.page-home .archive-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .3rem .9rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

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

.page-home .archive-code {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-home .archive-time {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-home .archive-text {
  grid-column: 1 / -1;
  margin: 0;
  font-size: .92rem;
  line-height: 1.88;
  color: var(--paper-dim);
}

.page-home .archive-more {
  margin: 1.35rem 0 0;
}

.page-home .archive-media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--ink-deep);
}

.page-home .archive-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.5) contrast(1.06);
}

/* ---------- 备案与客服 ---------- */
.page-home .service-bar {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0 clamp(2.4rem, 5vw, 3.8rem);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 12, 18, .55), transparent 82%);
}

.page-home .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
}

.page-home .service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-home .service-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px dashed rgba(58, 68, 89, .82);
}

.page-home .service-key {
  min-width: 5.2rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-home .service-val {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .03em;
  color: var(--paper);
  text-decoration: none;
}

.page-home a.service-val {
  border-bottom: 1px solid rgba(227, 169, 60, .42);
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.page-home a.service-val:hover,
.page-home a.service-val:focus-visible {
  border-color: var(--gold);
  color: #F0C260;
}

.page-home .service-note {
  margin: 0;
  font-size: .86rem;
  line-height: 1.92;
  color: var(--slate);
}

/* ---------- 焦点可见性 ---------- */
.page-home a:focus-visible,
.page-home .series-block:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .deadline-list {
    grid-template-columns: 1.35fr 1fr .85fr;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    align-items: start;
  }

  .page-home .hero-visual {
    position: absolute;
    right: -6%;
    bottom: -12%;
    width: min(780px, 54%);
    margin: 0;
    opacity: .22;
    z-index: 0;
    border-radius: 0;
    -webkit-mask-image: radial-gradient(60% 60% at 55% 50%, #000 0%, transparent 76%);
    mask-image: radial-gradient(60% 60% at 55% 50%, #000 0%, transparent 76%);
  }

  .page-home .hero-visual img {
    border-radius: 0;
  }

  .page-home .service-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
    align-items: start;
    column-gap: 2.6rem;
  }

  .page-home .service-note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-home .archive-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-home .series-grid {
    grid-template-columns: 1.2fr 1fr 1fr .85fr;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
</main>