/* ============================================================
   page-home · 首页专属样式
   作用域：.page-home
   ============================================================ */

.page-home {
  --home-card-bg: linear-gradient(165deg, rgba(18, 33, 58, .94), rgba(14, 27, 47, .9));
  --home-soft-line: rgba(63, 224, 208, .16);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  padding: 24px 0 4px;
  font-size: .8125rem;
  color: var(--muted);
}
.page-home .home-crumb span {
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 32px 0 64px;
}

.page-home .hero-scan {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.page-home .hero-scan img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 82% 50%;
  opacity: .32;
}
.page-home .hero-scan::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(63, 224, 208, .045) 0 1px, transparent 1px 4px),
    linear-gradient(178deg, rgba(10, 17, 32, .34) 0%, rgba(10, 17, 32, .72) 58%, var(--ink) 100%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
}

.page-home .hero-title {
  margin: 16px 0 22px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-home .hero-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(234, 241, 250, .8);
}

.page-home .hero-cards {
  margin-top: 38px;
  display: grid;
  gap: 16px;
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--home-card-bg);
  text-decoration: none;
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
}
.page-home .entry-card--return { border-left: 3px solid var(--cyan); }
.page-home .entry-card--first  { border-left: 3px solid var(--amber); }

.page-home .entry-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}
.page-home .entry-card:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-home .entry-card .tag {
  align-self: flex-start;
}

.page-home .entry-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3125rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .entry-desc {
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .entry-go {
  margin-top: 4px;
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-home .section {
  padding: 60px 0;
}
.page-home .section + .section {
  border-top: 1px solid var(--line);
}

.page-home .section-head {
  max-width: 74ch;
  margin-bottom: 34px;
}

.page-home .sec-no {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-home .h-section {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.625rem, 4.2vw, 2.5rem);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-home .lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 01 导航 ---------- */
.page-home .nav-split {
  display: grid;
  gap: 34px;
}

.page-home .nav-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-home .nav-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.page-home .nav-steps li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .step-no {
  font-size: 1rem;
  color: var(--amber);
  padding-top: 4px;
}

.page-home .nav-steps h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--paper);
}
.page-home .nav-steps p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .nav-figure {
  margin: 0;
}
.page-home .nav-figure .figure-cap {
  margin-top: 10px;
}

/* ---------- 02 分类 ---------- */
.page-home .cat-grid {
  display: grid;
  gap: 18px;
}

.page-home .cat-block {
  position: relative;
  overflow: hidden;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--home-card-bg);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}
.page-home .cat-block:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}
.page-home .cat-block::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cyan);
}
.page-home .cat-block--rec::before { background: var(--amber); }
.page-home .cat-block--doc::before { background: var(--coral); }

.page-home .cat-name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--paper);
}
.page-home .cat-no {
  font-size: .875rem;
  color: var(--amber);
}

.page-home .cat-desc {
  margin: 0 0 16px;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .cat-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
}

.page-home .cat-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-home .cat-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: .9375rem;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 240ms var(--ease), background 240ms var(--ease), color 240ms var(--ease);
}
.page-home .cat-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
}
.page-home .cat-links a:hover {
  border-color: var(--cyan);
  background: rgba(63, 224, 208, .08);
}
.page-home .cat-links a:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

/* ---------- 03 更新节奏 ---------- */
.page-home .tl-figure {
  margin: 0 0 34px;
}

.page-home .tl {
  display: grid;
  gap: 0;
}

.page-home .tl-node {
  position: relative;
  padding: 20px 18px 20px 22px;
  border-left: 2px solid var(--line);
}
.page-home .tl-node:last-child {
  padding-bottom: 4px;
}

.page-home .tl-time {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 1.125rem;
  color: var(--cyan);
}
.page-home .tl-node--late .tl-time { color: var(--amber); }
.page-home .tl-node--support .tl-time { color: var(--coral); }

.page-home .tl-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--paper);
}
.page-home .tl-desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .tl-pop {
  margin-top: 12px;
  padding: 10px 13px;
  border-radius: var(--r-sm);
  border: 1px dashed var(--line);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (hover: hover) and (min-width: 992px) {
  .page-home .tl-pop {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 240ms var(--ease), transform 240ms var(--ease);
  }
  .page-home .tl-node:hover .tl-pop,
  .page-home .tl-node:focus-within .tl-pop {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 04 档案区 ---------- */
.page-home .archive-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px 24px;
}

.page-home .archive-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-home .archive-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}
.page-home .archive-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, rgba(18, 33, 58, .96) 6%, rgba(18, 33, 58, .82) 52%, rgba(10, 17, 32, .6) 100%);
}

.page-home .archive-body {
  position: relative;
  z-index: 1;
  max-width: 64ch;
}

.page-home .box-grid {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.page-home .box {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(10, 17, 32, .55);
  transition: border-color 240ms var(--ease);
}
.page-home .box:hover {
  border-color: var(--amber);
}
.page-home .box-no {
  font-size: .8125rem;
  color: var(--amber);
}
.page-home .box-meta {
  font-size: .8125rem;
  color: var(--paper);
}

.page-home .archive-note {
  margin: 0 0 22px;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 05 联系 ---------- */
.page-home .contact-band {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--home-card-bg);
  overflow: hidden;
}

.page-home .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}
.page-home .contact-row:first-child {
  border-top: 0;
}

.page-home .contact-label {
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-home .contact-value {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-home .contact-row--mail {
  background: rgba(63, 224, 208, .05);
}
.page-home .contact-row--mail .contact-value {
  color: var(--cyan);
}
.page-home .contact-row--mail .copy-btn {
  justify-self: start;
  margin-top: 4px;
}

.page-home .contact-note {
  margin: 16px 0 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-home .box-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .contact-row {
    grid-template-columns: 148px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }
  .page-home .contact-row--mail .copy-btn {
    margin-top: 0;
  }
}

@media (min-width: 768px) {
  .page-home .hero {
    padding: 48px 0 80px;
  }
  .page-home .hero-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 820px;
  }
  .page-home .entry-card {
    padding: 26px 24px 22px;
  }
  .page-home .section {
    padding: 76px 0;
  }
  .page-home .tl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .page-home .tl-node {
    border-left: 0;
    border-top: 2px solid var(--line);
    padding: 26px 22px 0 0;
  }
  .page-home .tl-node::before {
    content: "";
    position: absolute;
    top: -7px;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(63, 224, 208, .14);
  }
  .page-home .tl-node--late::before {
    background: var(--amber);
    box-shadow: 0 0 0 4px rgba(240, 178, 74, .14);
  }
  .page-home .tl-node--support::before {
    background: var(--coral);
    box-shadow: 0 0 0 4px rgba(255, 107, 94, .14);
  }
  .page-home .tl-node:last-child {
    padding-bottom: 0;
  }
  .page-home .archive-card {
    padding: 44px 40px;
  }
  .page-home .box-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-home .box {
    padding: 14px 10px;
  }
}

@media (min-width: 992px) {
  .page-home .nav-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .8fr);
    gap: 48px;
    align-items: start;
  }
  .page-home .nav-figure {
    margin-top: -8px;
  }
  .page-home .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .archive-card {
    padding: 52px 48px;
  }
  .page-home .archive-body {
    max-width: 60ch;
  }
  .page-home .hero-lede {
    font-size: 1.125rem;
  }
}