.page-home {
  --h-gap: clamp(20px, 3.2vw, 40px);
  --h-line: rgba(30, 74, 99, 0.72);
  --h-line-soft: rgba(30, 74, 99, 0.4);
  background: var(--bg);
  color: var(--fg);
  overflow-x: clip;
}

.page-home section[id] {
  scroll-margin-top: 118px;
}

.page-home .section {
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏框景 ---------- */

.page-home .hero {
  padding: clamp(14px, 2.4vw, 30px) var(--gutter) 0;
}

.page-home .hero__frame {
  position: relative;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: clamp(14px, 2vw, 26px);
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(11, 35, 52, 0.92), rgba(5, 19, 31, 0.98));
}

.page-home .hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--ink-600) 0 1px, transparent 1px 26px);
  opacity: 0.85;
  pointer-events: none;
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "lead"
    "guide";
  gap: var(--gap-m);
}

.page-home .hero__lead {
  grid-area: lead;
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 380px;
  overflow: hidden;
  border: 1px solid var(--edge-soft);
  isolation: isolate;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 28% 62%;
  filter: saturate(0.68) brightness(0.6);
  z-index: 0;
}

.page-home .hero__lead::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, rgba(5, 19, 31, 0.96) 14%, rgba(5, 19, 31, 0.62) 58%, rgba(5, 19, 31, 0.2) 100%);
  z-index: 1;
  pointer-events: none;
}

.page-home .hero__lead-body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: clamp(20px, 3.4vw, 48px);
}

.page-home .hero__title {
  margin: var(--gap-m) 0;
  font-size: clamp(32px, 6vw, 74px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 16ch;
  color: var(--white);
}

.page-home .hero__intro {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: rgba(234, 242, 246, 0.88);
}

.page-home .hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: var(--gap-m) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__jump a {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lime-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 242, 74, 0.38);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-home .hero__jump a:hover,
.page-home .hero__jump a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--lime-500);
}

.page-home .hero__guide {
  grid-area: guide;
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--glass-edge);
  min-width: 0;
}

.page-home .hero__guide-title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--h-line-soft);
}

.page-home .steps__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .steps__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime-500);
  padding-top: 3px;
}

.page-home .steps__item strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.page-home .steps__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 区块标题 ---------- */

.page-home .sec-head {
  margin-bottom: var(--gap-l);
  max-width: 74ch;
}

.page-home .sec-head__title {
  margin: 14px 0 0;
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .sec-head__note {
  margin: var(--gap-m) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 双一级菜单 ---------- */

.page-home .menu-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
  margin-bottom: var(--gap-l);
}

.page-home .menu-row:last-child {
  margin-bottom: 0;
}

.page-home .menu-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--h-line);
  min-width: 0;
}

.page-home .menu-card--amber {
  border-color: rgba(255, 180, 84, 0.34);
}

.page-home .menu-card__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .menu-card--amber .menu-card__code {
  color: var(--amber-500);
}

.page-home .menu-card__name {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 54px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--white);
}

.page-home .menu-card__stat {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  font-size: 13px;
  color: var(--mist);
}

.page-home .menu-card__stat .num {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  color: var(--lime-500);
}

.page-home .menu-card--amber .menu-card__stat .num {
  color: var(--amber-500);
}

.page-home .menu-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 242, 246, 0.8);
}

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

.page-home .chips li {
  padding: 5px 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--white);
  border: 1px solid var(--h-line);
  background: rgba(30, 74, 99, 0.24);
}

.page-home .menu-card--amber .chips li {
  border-color: rgba(255, 180, 84, 0.3);
  background: rgba(255, 180, 84, 0.07);
}

.page-home .menu-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.page-home .menu-shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--h-line-soft);
  min-height: 240px;
}

.page-home .menu-shot img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  object-position: center 35%;
  filter: saturate(0.82) brightness(0.78);
  max-width: 100%;
}

.page-home .menu-shot__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  margin: 0;
  padding: 10px 14px;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--white);
  background: linear-gradient(180deg, rgba(5, 19, 31, 0), rgba(5, 19, 31, 0.9));
}

/* ---------- 版本与加载 ---------- */

.page-home .speed__board {
  border: 1px solid rgba(123, 209, 232, 0.22);
  background:
    linear-gradient(180deg, rgba(18, 51, 73, 0.66), rgba(11, 35, 52, 0.94));
  padding: clamp(20px, 3.4vw, 48px);
}

.page-home .speed__head {
  max-width: 68ch;
  margin-bottom: var(--gap-l);
}

.page-home .speed__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--white);
}

.page-home .speed__note {
  margin: var(--gap-m) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .bars {
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  padding-bottom: var(--gap-l);
  border-bottom: 1px solid var(--h-line-soft);
}

.page-home .bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .bar__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .bar__label {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .bar__val {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  color: var(--amber-500);
}

.page-home .bar__track {
  position: relative;
  height: 10px;
  background: rgba(30, 74, 99, 0.42);
  border: 1px solid var(--h-line-soft);
  overflow: hidden;
}

.page-home .bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, rgba(123, 209, 232, 0.55), var(--cyan));
}

.page-home .bar__fill--mobile {
  width: 100%;
}

.page-home .bar__fill--desktop {
  width: 75%;
}

.page-home .bar__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .speed__lower {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
  margin-top: var(--gap-l);
}

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

.page-home .compare__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--h-line-soft);
}

.page-home .compare__k {
  font-size: 14px;
  color: rgba(234, 242, 246, 0.86);
}

.page-home .compare__v {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-home .compare__v--full {
  color: var(--amber-500);
}

.page-home .speed__act {
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  align-items: flex-start;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid rgba(182, 242, 74, 0.24);
  background: rgba(5, 19, 31, 0.5);
}

.page-home .speed__act p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--white);
}

/* ---------- 横向卡片流 ---------- */

.page-home .ask {
  background: linear-gradient(180deg, rgba(11, 35, 52, 0.5), rgba(5, 19, 31, 0));
  padding-bottom: clamp(40px, 5vw, 72px);
}

.page-home .ask__track {
  display: flex;
  gap: var(--gap-m);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px max(var(--gutter), calc((100% - var(--shell-w)) / 2)) 22px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-600) transparent;
}

.page-home .ask__track::-webkit-scrollbar {
  height: 6px;
}

.page-home .ask__track::-webkit-scrollbar-thumb {
  background: var(--ink-600);
}

.page-home .ask__track::-webkit-scrollbar-track {
  background: transparent;
}

.page-home .ask__track:focus-visible {
  outline: 2px solid var(--lime-500);
  outline-offset: -2px;
}

.page-home .ask-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--h-line-soft);
  background: rgba(18, 51, 73, 0.5);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.page-home .ask-card:hover,
.page-home .ask-card:focus-visible {
  border-color: var(--lime-500);
  background: rgba(18, 51, 73, 0.78);
  transform: translateY(-3px);
}

.page-home .ask-card__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber-500);
}

.page-home .ask-card__q {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--white);
}

.page-home .ask-card__a {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .ask-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime-500);
}

/* ---------- 专栏与更新 ---------- */

.page-home .recent__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
}

.page-home .recent__main {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--h-line);
  background: rgba(11, 35, 52, 0.6);
  min-width: 0;
}

.page-home .recent__shot {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-home .recent__shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.72);
}

.page-home .recent__shot figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 20px 16px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(234, 242, 246, 0.9);
  background: linear-gradient(180deg, rgba(5, 19, 31, 0), rgba(5, 19, 31, 0.92));
}

.page-home .recent__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3vw, 34px);
}

.page-home .recent__name {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-home .recent__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .recent__aside {
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--h-line-soft);
  background: rgba(18, 51, 73, 0.34);
  min-width: 0;
}

.page-home .recent__aside-title {
  margin: 0;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--lime-500);
}

.page-home .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-home .feed__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--h-line-soft);
}

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

.page-home .feed__tag {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  color: var(--ink-900);
  background: var(--lime-500);
}

.page-home .feed__item strong {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 3px;
}

.page-home .feed__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .recent__note {
  margin-top: auto;
  padding-top: var(--gap-m);
  border-top: 1px solid rgba(255, 180, 84, 0.32);
}

.page-home .recent__note-k {
  margin: 0;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 500;
  line-height: 1;
  color: var(--amber-500);
}

.page-home .recent__note-v {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 收口 ---------- */

.page-home .closer__box {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-l);
  padding: clamp(24px, 3.6vw, 52px);
  border: 1px solid rgba(182, 242, 74, 0.3);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(182, 242, 74, 0.12), transparent 58%),
    linear-gradient(160deg, rgba(18, 51, 73, 0.7), rgba(5, 19, 31, 0.96));
}

.page-home .closer__title {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--white);
}

.page-home .closer__text {
  margin: var(--gap-m) 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 242, 246, 0.84);
}

.page-home .closer__contact {
  list-style: none;
  margin: var(--gap-m) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .closer__contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--white);
}

.page-home .closer__k {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--lime-500);
}

.page-home .closer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-home .speed__lower {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-home .recent__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: stretch;
  }

  .page-home .closer__box {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-home .closer__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: 4fr 8fr;
    grid-template-areas: "guide lead";
  }

  .page-home .hero__guide {
    height: 100%;
  }

  .page-home .hero__lead {
    min-height: 520px;
  }

  .page-home .menu-row {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
    margin-bottom: var(--gap-l);
  }

  .page-home .menu-row--flip {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .menu-row--flip .menu-card {
    order: 2;
  }

  .page-home .menu-row--flip .menu-shot {
    order: 1;
  }

  .page-home .menu-shot img {
    position: absolute;
    inset: 0;
    height: 100%;
  }

  .page-home .ask-card {
    flex: 0 0 340px;
  }
}

@media (max-width: 480px) {
  .page-home .hero__lead {
    min-height: 320px;
  }

  .page-home .bar__val {
    font-size: 18px;
  }

  .page-home .compare__item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ask-card {
    transition: none;
  }

  .page-home .ask-card:hover,
  .page-home .ask-card:focus-visible {
    transform: none;
  }

  .page-home .bar__fill {
    transition: none;
  }
}

.page-home {
  --h-gap: clamp(20px, 3.2vw, 40px);
  --h-line: rgba(30, 74, 99, 0.72);
  --h-line-soft: rgba(30, 74, 99, 0.42);
  background: var(--bg);
  color: var(--fg);
  overflow-x: clip;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  padding: clamp(14px, 2.4vw, 30px) var(--gutter) 0;
}

.page-home .hero__frame {
  position: relative;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: clamp(14px, 2vw, 26px);
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(11, 35, 52, 0.92), rgba(5, 19, 31, 0.98));
}

.page-home .hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--ink-600) 0 1px, transparent 1px 26px);
  opacity: 0.8;
  pointer-events: none;
}

.page-home .hero__frame::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--ink-600) 0 1px, transparent 1px 26px);
  opacity: 0.4;
  pointer-events: none;
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "lead"
    "guide";
  gap: var(--gap-m);
}

.page-home .hero__lead {
  grid-area: lead;
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--edge-soft);
  isolation: isolate;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 28% 62%;
  filter: saturate(0.68) brightness(0.6);
  z-index: 0;
}

.page-home .hero__lead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(104deg, rgba(5, 19, 31, 0.96) 12%, rgba(5, 19, 31, 0.6) 56%, rgba(5, 19, 31, 0.18) 100%);
  pointer-events: none;
}

.page-home .hero__lead-body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: clamp(20px, 3.4vw, 48px);
}

.page-home .hero__lead .breadcrumb {
  margin-bottom: var(--gap-s);
}

.page-home .hero__title {
  margin: var(--gap-m) 0;
  max-width: 16ch;
  font-size: clamp(32px, 6vw, 74px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .hero__intro {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(14.5px, 1.4vw, 17px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: rgba(234, 242, 246, 0.88);
}

.page-home .hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: var(--gap-m) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__jump a {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lime-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 242, 74, 0.35);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-home .hero__jump a:hover,
.page-home .hero__jump a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--lime-500);
}

.page-home .hero__guide {
  grid-area: guide;
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  min-width: 0;
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-home .hero__guide-title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 24px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--h-line-soft);
}

.page-home .steps__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .steps__num {
  padding-top: 3px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime-500);
}

.page-home .steps__item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14.5px;
  font-weight: 800;
  color: var(--white);
}

.page-home .steps__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .hero__guide .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 章节标题 ---------- */
.page-home .sec-head {
  max-width: 74ch;
  margin-bottom: var(--gap-l);
}

.page-home .sec-head__title {
  margin: 14px 0 0;
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .sec-head__note {
  max-width: 62ch;
  margin: var(--gap-m) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 双一级菜单 ---------- */
.page-home .menu-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
  margin-bottom: var(--gap-l);
}

.page-home .menu-row:last-child {
  margin-bottom: 0;
}

.page-home .menu-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--h-line);
  background: var(--ink-700);
}

.page-home .menu-card--amber {
  border-color: rgba(255, 180, 84, 0.34);
}

.page-home .menu-card__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .menu-card--amber .menu-card__code {
  color: var(--amber-500);
}

.page-home .menu-card__name {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .menu-card__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin: 0;
  font-size: 13px;
  color: var(--mist);
}

.page-home .menu-card__stat .num {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  color: var(--lime-500);
}

.page-home .menu-card--amber .menu-card__stat .num {
  color: var(--amber-500);
}

.page-home .menu-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 242, 246, 0.82);
}

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

.page-home .chips li {
  padding: 5px 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--white);
  border: 1px solid var(--h-line);
  background: rgba(30, 74, 99, 0.26);
}

.page-home .menu-card--amber .chips li {
  border-color: rgba(255, 180, 84, 0.3);
  background: rgba(255, 180, 84, 0.08);
}

.page-home .menu-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.page-home .menu-shot {
  position: relative;
  margin: 0;
  min-height: 240px;
  overflow: hidden;
  border: 1px solid var(--h-line-soft);
}

.page-home .menu-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  object-position: center 32%;
  filter: saturate(0.82) brightness(0.76);
}

.page-home .menu-shot__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 20px 14px 10px;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--white);
  background: linear-gradient(180deg, rgba(5, 19, 31, 0), rgba(5, 19, 31, 0.92));
}

/* ---------- 版本与加载 ---------- */
.page-home .speed__board {
  padding: clamp(20px, 3.4vw, 48px);
  border: 1px solid rgba(123, 209, 232, 0.22);
  background: linear-gradient(180deg, rgba(18, 51, 73, 0.68), rgba(11, 35, 52, 0.95));
}

.page-home .speed__head {
  max-width: 68ch;
  margin-bottom: var(--gap-l);
}

.page-home .speed__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .speed__note {
  margin: var(--gap-m) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .bars {
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  padding-bottom: var(--gap-l);
  border-bottom: 1px solid var(--h-line-soft);
}

.page-home .bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .bar__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .bar__label {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .bar__val {
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 500;
  color: var(--amber-500);
}

.page-home .bar__track {
  position: relative;
  height: 10px;
  overflow: hidden;
  border: 1px solid var(--h-line-soft);
  background: rgba(30, 74, 99, 0.42);
}

.page-home .bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, rgba(123, 209, 232, 0.5), var(--cyan));
}

.page-home .bar__fill--mobile {
  width: 100%;
}

.page-home .bar__fill--desktop {
  width: 75%;
}

.page-home .bar__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .speed__lower {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
  margin-top: var(--gap-l);
}

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

.page-home .compare__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--h-line-soft);
}

.page-home .compare__k {
  font-size: 14px;
  color: rgba(234, 242, 246, 0.86);
}

.page-home .compare__v {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--cyan);
}

.page-home .compare__v--full {
  color: var(--amber-500);
}

.page-home .speed__act {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--gap-m);
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid rgba(182, 242, 74, 0.26);
  background: rgba(5, 19, 31, 0.52);
}

.page-home .speed__act p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--white);
}

/* ---------- 横向卡片流 ---------- */
.page-home .ask {
  padding-bottom: clamp(40px, 5vw, 72px);
  background: linear-gradient(180deg, rgba(11, 35, 52, 0.55), rgba(5, 19, 31, 0));
}

.page-home .ask .shell {
  margin-bottom: var(--gap-m);
}

.page-home .ask__track {
  display: flex;
  gap: var(--gap-m);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px max(var(--gutter), calc((100% - var(--shell-w)) / 2)) 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-600) transparent;
}

.page-home .ask__track::-webkit-scrollbar {
  height: 6px;
}

.page-home .ask__track::-webkit-scrollbar-thumb {
  background: var(--ink-600);
}

.page-home .ask__track::-webkit-scrollbar-track {
  background: transparent;
}

.page-home .ask__track:focus-visible {
  outline: 2px solid var(--lime-500);
  outline-offset: -4px;
}

.page-home .ask-card {
  flex: 0 0 min(302px, 78vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--h-line-soft);
  background: rgba(18, 51, 73, 0.52);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.page-home .ask-card:hover,
.page-home .ask-card:focus-visible {
  border-color: var(--lime-500);
  background: rgba(18, 51, 73, 0.8);
  transform: translateY(-3px);
}

.page-home .ask-card__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber-500);
}

.page-home .ask-card__q {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--white);
}

.page-home .ask-card__a {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .ask-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime-500);
}

/* ---------- 专栏与更新 ---------- */
.page-home .recent__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-m);
}

.page-home .recent__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--h-line);
  background: rgba(11, 35, 52, 0.62);
}

.page-home .recent__shot {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-home .recent__shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.74);
}

.page-home .recent__shot figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px 16px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(234, 242, 246, 0.9);
  background: linear-gradient(180deg, rgba(5, 19, 31, 0), rgba(5, 19, 31, 0.94));
}

.page-home .recent__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3vw, 34px);
}

.page-home .recent__name {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-home .recent__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .recent__aside {
  display: flex;
  flex-direction: column;
  gap: var(--gap-m);
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--h-line-soft);
  background: rgba(18, 51, 73, 0.36);
}

.page-home .recent__aside-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--lime-500);
}

.page-home .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-home .feed__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--h-line-soft);
}

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

.page-home .feed__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-size: 10.5px;
  color: var(--ink-900);
  background: var(--lime-500);
}

.page-home .feed__item strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
  font-weight: 800;
  color: var(--white);
}

.page-home .feed__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .recent__note {
  margin-top: auto;
  padding-top: var(--gap-m);
  border-top: 1px solid rgba(255, 180, 84, 0.34);
}

.page-home .recent__note-k {
  margin: 0;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 500;
  line-height: 1;
  color: var(--amber-500);
}

.page-home .recent__note-v {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 收口 ---------- */
.page-home .closer__box {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-l);
  padding: clamp(24px, 3.6vw, 52px);
  border: 1px solid rgba(182, 242, 74, 0.3);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(182, 242, 74, 0.13), transparent 58%),
    linear-gradient(160deg, rgba(18, 51, 73, 0.72), rgba(5, 19, 31, 0.96));
}

.page-home .closer__title {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .closer__text {
  max-width: 56ch;
  margin: var(--gap-m) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 242, 246, 0.84);
}

.page-home .closer__contact {
  list-style: none;
  margin: var(--gap-m) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .closer__contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--white);
  word-break: break-word;
}

.page-home .closer__k {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--lime-500);
}

.page-home .closer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-home .speed__lower {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-home .recent__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: stretch;
  }

  .page-home .closer__box {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-home .closer__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: 4fr 8fr;
    grid-template-areas: "guide lead";
  }

  .page-home .hero__lead {
    min-height: 520px;
  }

  .page-home .menu-row {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }

  .page-home .menu-row--flip {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .menu-row--flip .menu-card {
    order: 2;
  }

  .page-home .menu-row--flip .menu-shot {
    order: 1;
  }

  .page-home .menu-shot img {
    position: absolute;
    inset: 0;
    min-height: 0;
    height: 100%;
  }

  .page-home .ask-card {
    flex: 0 0 340px;
  }
}

@media (max-width: 479px) {
  .page-home .hero__lead {
    min-height: 320px;
  }

  .page-home .compare__item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ask-card,
  .page-home .hero__jump a {
    transition: none;
  }

  .page-home .ask-card:hover,
  .page-home .ask-card:focus-visible {
    transform: none;
  }
}