/* ===== 首页 · page-home ===== */
.page-home {
  --home-glow-orange: rgba(255, 106, 43, 0.30);
  --home-glow-cyan: rgba(59, 201, 255, 0.22);
  --home-glow-violet: rgba(124, 108, 255, 0.26);
  --home-surface: rgba(18, 37, 63, 0.72);
  --home-surface-2: rgba(10, 23, 48, 0.72);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  min-height: 112vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(96px, 13vh, 150px) 0 clamp(72px, 9vh, 120px);
  isolation: isolate;
}

.page-home .hero__slice {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.page-home .hero__slice > span {
  position: absolute;
  inset: -12%;
  display: block;
}

.page-home .slice__a {
  background: linear-gradient(158deg, var(--home-glow-orange), rgba(255, 106, 43, 0) 58%);
  clip-path: polygon(0 0, 58% 0, 37% 100%, 0 100%);
}

.page-home .slice__b {
  background:
    radial-gradient(circle at 76% 30%, var(--home-glow-violet), rgba(59, 201, 255, 0.10) 46%, transparent 72%);
  clip-path: polygon(58% 0, 100% 0, 100% 100%, 37% 100%);
}

.page-home .hero__slice::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 246, 253, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 246, 253, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at 52% 42%, #000 8%, transparent 76%);
  mask-image: radial-gradient(circle at 52% 42%, #000 8%, transparent 76%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  align-items: center;
  width: 100%;
}

.page-home .hero__copy {
  display: flex;
  align-items: stretch;
  gap: 22px;
  min-width: 0;
}

.page-home .hero__rail {
  display: none;
}

.page-home .hero__text {
  min-width: 0;
}

.page-home .hero__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.page-home .hero__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 64px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 0 0 20px;
  max-width: 15em;
}

.page-home .hero__lede {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--gray);
  max-width: 620px;
  margin: 0 0 28px;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-home .hero__marks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 560px;
}

.page-home .mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-pill);
  font-size: var(--fs-14);
  color: var(--gray);
  line-height: 1.6;
}

.page-home .mark__num {
  color: var(--orange);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  flex: none;
}

.page-home .hero__visual {
  position: relative;
  min-width: 0;
}

.page-home .hero__orbit {
  display: none;
  position: absolute;
  width: 240px;
  height: 240px;
  right: -80px;
  top: -64px;
  border-radius: 50%;
  border: 1px dashed rgba(59, 201, 255, 0.35);
  pointer-events: none;
}

.page-home .device {
  position: relative;
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0B1B33;
  box-shadow: 0 40px 80px -48px rgba(0, 0, 0, 0.95);
}

.page-home .device img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 6 / 7;
  object-fit: cover;
}

.page-home .device__cap {
  padding: 12px 18px;
  font-size: var(--fs-12);
  color: var(--gray);
  border-top: 1px solid var(--line);
  background: rgba(5, 13, 28, 0.6);
}

/* ---------- 章节通用 ---------- */
.page-home .section {
  position: relative;
  padding: clamp(64px, 8.5vw, 108px) 0;
  scroll-margin-top: 96px;
}

.page-home .section + .section {
  border-top: 1px dashed var(--dash-amber);
}

.page-home .section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 20px;
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .section__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-home .section__head-main {
  min-width: 0;
}

.page-home .section__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 12px 0 12px;
  max-width: 20em;
}

.page-home .section__lede {
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--gray);
  max-width: 720px;
  margin: 0;
}

.page-home .section__more {
  margin: 26px 0 0;
}

.page-home .section__note {
  margin: 22px 0 0;
  font-size: var(--fs-14);
  color: var(--gray);
  line-height: 1.7;
}

.page-home .link-arrow {
  color: var(--cyan);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 201, 255, 0.35);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  border-color: var(--cyan);
  color: var(--mist);
}

/* ---------- 01 本月更新 ---------- */
.page-home .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .update-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--home-surface), var(--home-surface-2));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .update-item:hover {
  border-color: rgba(255, 106, 43, 0.5);
  transform: translateY(-2px);
}

.page-home .update-item__idx {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--orange);
  padding-top: 4px;
}

.page-home .update-item__body {
  min-width: 0;
}

.page-home .update-item__title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
  margin: 0 0 8px;
}

.page-home .update-item__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--gray);
}

.page-home .update-item__tag {
  display: inline-block;
  margin-top: 14px;
}

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

.page-home .compare__col {
  display: block;
  padding: 26px 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--navy-800);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .compare__col--a {
  box-shadow: inset 0 3px 0 var(--orange);
}

.page-home .compare__col--b {
  box-shadow: inset 0 3px 0 var(--violet);
}

.page-home .compare__col:hover,
.page-home .compare__col:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: inset 0 3px 0 var(--cyan), 0 26px 50px -34px rgba(0, 0, 0, 0.9);
}

.page-home .compare__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-pill);
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--mist);
  background: rgba(124, 108, 255, 0.22);
  margin-bottom: 14px;
}

.page-home .compare__col--a .compare__tag {
  background: var(--orange-soft);
  color: var(--orange);
}

.page-home .compare__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--mist);
  margin: 0 0 10px;
}

.page-home .compare__text {
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--gray);
}

.page-home .compare__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .compare__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--gray);
}

.page-home .compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--mint);
}

.page-home .compare__col--a .compare__list li::before {
  background: var(--orange);
}

.page-home .compare__cta {
  display: inline-block;
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--cyan);
}

.page-home .compare__figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--navy-850);
}

.page-home .compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .compare__cap {
  display: block;
  padding: 12px 18px;
  font-size: var(--fs-12);
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* ---------- 03 收藏架 ---------- */
.page-home .shelf {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.page-home .shelf__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--home-surface), var(--home-surface-2));
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .shelf__card:hover,
.page-home .shelf__card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 43, 0.5);
  box-shadow: 0 26px 46px -34px rgba(0, 0, 0, 0.9);
}

.page-home .shelf__card--violet:hover,
.page-home .shelf__card--violet:focus-visible {
  border-color: rgba(124, 108, 255, 0.62);
}

.page-home .shelf__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  color: var(--orange);
  background: var(--orange-soft);
}

.page-home .shelf__card--violet .shelf__icon {
  color: var(--violet);
  background: rgba(124, 108, 255, 0.16);
}

.page-home .shelf__title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
  margin: 0;
}

.page-home .shelf__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--gray);
  flex: 1;
}

.page-home .shelf__foot {
  font-size: var(--fs-12);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

/* ---------- 04 资料库 ---------- */
.page-home .db-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-home .db-card {
  display: block;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--navy-850);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .db-card:hover,
.page-home .db-card:focus-visible {
  border-color: rgba(59, 201, 255, 0.55);
  background: var(--navy-800);
  transform: translateY(-2px);
}

.page-home .db-card__num {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--violet);
  margin-bottom: 10px;
}

.page-home .db-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
  margin: 0 0 6px;
}

.page-home .db-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--gray);
}

.page-home .db-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  justify-content: space-between;
  margin-top: 22px;
  padding: 20px 22px;
  border: 1px dashed var(--dash-amber);
  border-radius: var(--r-lg);
  background: rgba(255, 194, 75, 0.05);
}

.page-home .db-search__hint {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--gray);
  max-width: 620px;
}

.page-home .db-figure {
  margin: 24px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--navy-850);
}

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

.page-home .db-figure__cap {
  display: block;
  padding: 12px 18px;
  font-size: var(--fs-12);
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* ---------- 05 反馈通道 ---------- */
.page-home .support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-home .support__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .support__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--navy-850);
}

.page-home .support__key {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-home .support__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--gray);
}

.page-home .support__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--navy-850);
}

.page-home .support__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 40 / 13;
  object-fit: cover;
}

.page-home .support__cap {
  display: block;
  padding: 12px 18px;
  font-size: var(--fs-12);
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* ---------- 渐显 ---------- */
.has-js .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}

.has-js .page-home [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-home .hero {
    min-height: auto;
    padding: 84px 0 56px;
  }

  .page-home .hero__copy {
    gap: 0;
  }

  .page-home .compare__col {
    padding: 22px 18px 18px;
  }

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

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

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

  .page-home .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .support {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-home .support__figure {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    gap: 56px;
  }

  .page-home .hero__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    flex: none;
    padding-right: 20px;
    border-right: 1px dashed var(--dash-amber);
  }

  .page-home .hero__rail-text {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
    font-size: var(--fs-14);
    color: var(--gray);
  }

  .page-home .hero__rail-code {
    font-size: var(--fs-12);
    color: var(--orange);
    letter-spacing: 0.06em;
  }

  .page-home .hero__orbit {
    display: block;
  }

  .page-home .update-item {
    padding: 26px 26px 22px;
    gap: 6px 24px;
  }
}

@media (min-width: 1181px) {
  .page-home .hero__inner,
  .page-home .section .shell {
    max-width: var(--shell-max);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal],
  .has-js .page-home [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-home .compare__col,
  .page-home .shelf__card,
  .page-home .db-card,
  .page-home .update-item {
    transition: none;
  }

  .page-home .compare__col:hover,
  .page-home .shelf__card:hover,
  .page-home .db-card:hover,
  .page-home .update-item:hover {
    transform: none;
  }
}