.page-home {
  --home-radius: 26px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏专题封面 ---------- */
.page-home .hero {
  padding: clamp(16px, 2.6vw, 30px) 0 0;
}

.page-home .breadcrumb {
  margin-bottom: clamp(14px, 2.2vw, 24px);
}

.page-home .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-home .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--slate);
}

.page-home .breadcrumb__list a {
  color: var(--cyan);
  text-decoration: none;
}

.page-home .breadcrumb__list a[aria-current="page"] {
  color: var(--paper);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  padding-top: clamp(8px, 2vw, 20px);
}

.page-home .hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

.page-home .hero .lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.78);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-home .hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.page-home .hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .hero__badge {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(11, 13, 18, 0.86);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-home .dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(61, 220, 151, 0.16);
  animation: home-pulse 2.8s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* 三个首屏数字锚点 */
.page-home .hero__facts {
  list-style: none;
  margin: clamp(28px, 4.5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .fact {
  background: var(--ink);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .fact__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  transition: transform 0.2s ease, color 0.2s ease;
  transform-origin: left center;
}

.page-home .fact:hover .fact__num {
  transform: scale(1.06);
  color: var(--gold-soft);
}

.page-home .fact__label {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 横向条带 ---------- */
.page-home .strip {
  margin: clamp(34px, 5vw, 64px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line-strong);
  border-radius: var(--home-radius);
  overflow: hidden;
  background: var(--panel);
}

.page-home .strip img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

.page-home .strip__cap {
  padding: clamp(20px, 3.2vw, 34px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.page-home .strip__k {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  color: var(--paper);
  line-height: 1.2;
}

.page-home .strip__cap p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.72);
}

/* ---------- 章节索引 ---------- */
.page-home .sec-index {
  margin-top: clamp(30px, 4vw, 52px);
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .sec-index::-webkit-scrollbar {
  display: none;
}

.page-home .sec-index ol {
  display: flex;
  gap: clamp(18px, 3vw, 40px);
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.page-home .sec-index a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-home .sec-index a:hover,
.page-home .sec-index a.is-current {
  color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-home .band {
  padding: clamp(46px, 7vw, 92px) 0;
}

.page-home .band + .band {
  border-top: 1px solid var(--line);
}

.page-home .band__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-home .band__head--stack {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-home .section__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.5vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--paper);
}

.page-home .section__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--slate);
}

/* ---------- 01 访问路径 ---------- */
.page-home .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .path-card {
  background: var(--panel);
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.2s ease;
}

.page-home .path-card:hover {
  background: var(--panel-soft);
}

.page-home .path-card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-home .path-card__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.25;
  margin: 0;
  color: var(--paper);
}

.page-home .path-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.7);
}

.page-home .stat-row {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .stat-row li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-home .stat-row__n {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--gold-soft);
  line-height: 1;
}

.page-home .stat-row__t {
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 02 版本周期 ---------- */
.page-home .cycles {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 24px);
}

.page-home .cycle {
  border-radius: var(--home-radius);
  border: 1px solid var(--line-strong);
  padding: clamp(22px, 3vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .cycle--fn {
  background: var(--panel);
}

.page-home .cycle--rule {
  background:
    linear-gradient(158deg, rgba(255, 159, 28, 0.16), rgba(255, 159, 28, 0) 62%),
    var(--panel-soft);
}

.page-home .cycle__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
}

.page-home .cycle__tag--amber {
  color: var(--amber);
  border-color: rgba(255, 176, 32, 0.42);
}

.page-home .cycle__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: var(--paper);
}

.page-home .cycle p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.72);
}

.page-home .cycle__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .cycle__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.62);
}

.page-home .cycle__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-home .cycles__media {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .cycles__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .cycles__media figcaption {
  padding: 12px 16px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

/* ---------- 03 分类与资料 ---------- */
.page-home .lib {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
}

.page-home .lib__media {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border-radius: var(--home-radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .lib__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-home .lib__chips-k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

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

.page-home .chip {
  font-size: 12.5px;
  line-height: 1;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: rgba(244, 239, 230, 0.82);
  background: rgba(52, 198, 211, 0.06);
}

.page-home .lib__side {
  align-self: start;
}

.page-home .side-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--home-radius);
  background: var(--panel);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-home .side-card__k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-home .side-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-home .side-card__list li + li {
  border-top: 1px solid var(--line);
}

.page-home .side-card__list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 2px;
  text-decoration: none;
  transition: padding-left 0.2s ease;
}

.page-home .side-card__list a:hover {
  padding-left: 8px;
}

.page-home .side-card__t {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .side-card__s {
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 04 服务通道 ---------- */
.page-home .support-panel {
  background: var(--paper);
  color: var(--text);
  border-radius: var(--home-radius);
  padding: clamp(24px, 4vw, 52px);
  position: relative;
  overflow: hidden;
}

.page-home .support-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 210px;
  height: 210px;
  border-radius: 42% 58% 55% 45% / 50% 44% 56% 50%;
  background: rgba(255, 159, 28, 0.18);
  pointer-events: none;
}

.page-home .support-panel .section__no {
  color: #8a5a08;
}

.page-home .support-panel .section__title {
  color: var(--text);
  margin: 12px 0 0;
}

.page-home .support-panel__lede {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(18, 18, 18, 0.72);
}

.page-home .support-panel__grid {
  margin-top: clamp(24px, 3.4vw, 38px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .support-panel .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.page-home .contact-list__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(18, 18, 18, 0.52);
  margin-bottom: 3px;
}

.page-home .contact-list__value {
  display: block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-home .contact-list__value--strong {
  font-family: var(--font-mono);
  font-size: 16px;
  color: #a35f00;
}

.page-home .support-panel__cta {
  position: relative;
  z-index: 1;
  border-left: 3px solid var(--gold);
  padding-left: 16px;
}

.page-home .support-panel__cta p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(18, 18, 18, 0.72);
}

.page-home .support-panel__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .support-panel__btns .btn--quiet {
  color: var(--text);
  border-color: rgba(18, 18, 18, 0.24);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .strip {
    grid-template-columns: 1.55fr 1fr;
    align-items: stretch;
  }

  .page-home .support-panel__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 880px) {
  .page-home .band__head {
    grid-template-columns: 96px minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(20px, 3vw, 42px);
  }

  .page-home .band__head--stack {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .band__head--stack .section__lede {
    grid-column: 2;
  }

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

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

@media (min-width: 920px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-home .hero {
    padding-top: clamp(22px, 3vw, 40px);
  }
}

@media (min-width: 1000px) {
  .page-home .lib {
    grid-template-columns: minmax(0, 1.55fr) minmax(270px, 0.75fr);
    align-items: start;
  }

  .page-home .lib__side {
    position: sticky;
    top: 128px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .dot {
    animation: none;
  }

  .page-home .fact__num,
  .page-home .side-card__list a {
    transition: none;
  }
}