.page-home {
  --home-pad: clamp(18px, 4vw, 40px);
  --home-gap: clamp(24px, 4vw, 56px);
  --home-line: rgba(124, 143, 163, 0.22);
  --home-line-soft: rgba(124, 143, 163, 0.14);
  --home-veil: rgba(7, 26, 43, 0.72);
}

.page-home section[id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-home .kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent-2);
}

.page-home h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.005em;
  color: var(--c-text);
}

.page-home h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.42;
  color: var(--c-text);
}

.page-home .sec-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-home .sec-head__lede {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--c-text-2);
}

.page-home .btn {
  transition: transform 180ms var(--ease), background-color 180ms var(--ease),
    border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-home .btn:hover {
  transform: translateY(-2px);
}

.page-home .btn:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

/* ---------- 首屏：封面 + 查询面板 ---------- */

.page-home .cover {
  position: relative;
  overflow: hidden;
  padding-block: clamp(46px, 7.5vw, 96px) clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .cover__bg {
  position: absolute;
  inset: 0 0 0 38%;
  z-index: 0;
  opacity: 0.42;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 48%, #000 100%);
  mask-image: linear-gradient(100deg, transparent 0%, #000 48%, #000 100%);
}

.page-home .cover__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: 64% 38%;
}

.page-home .cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 60px);
}

.page-home .cover__lead {
  max-width: 40em;
}

.page-home .cover h1 {
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--c-text);
}

.page-home .cover__lede {
  max-width: 34em;
  margin: 0 0 30px;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.86;
  color: var(--c-text-2);
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.page-home .cover__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3.5vw, 46px);
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--home-line);
}

.page-home .cover__facts > div {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-home .cover__facts dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-text-2);
}

.page-home .cover__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-home .cover__query {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border-radius: 18px;
  overflow: hidden;
}

.page-home .cover__query::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-2) 68%, transparent 100%);
}

.page-home .cover__query .kicker {
  margin-bottom: 0;
}

.page-home .cover__query h2 {
  margin: 0 0 4px;
  font-size: clamp(20px, 2.1vw, 25px);
  line-height: 1.34;
}

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

.page-home .cover__field input {
  box-sizing: border-box;
  width: 100%;
  padding: 13px 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-text);
  background: rgba(7, 26, 43, 0.62);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease),
    background-color 200ms var(--ease);
}

.page-home .cover__field input::placeholder {
  color: var(--c-text-2);
  opacity: 0.72;
}

.page-home .cover__field input:hover {
  border-color: var(--c-accent-2);
}

.page-home .cover__field input:focus,
.page-home .cover__field input:focus-visible {
  outline: none;
  border-color: var(--c-accent);
  background: rgba(7, 26, 43, 0.82);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.2);
}

.page-home .cover__query-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-2);
}

/* ---------- 账户设置 ---------- */

.page-home .steps,
.page-home .records,
.page-home .taxonomy {
  padding-block: clamp(52px, 7vw, 92px);
}

.page-home .steps {
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .steps__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .steps__list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
}

.page-home .step {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--c-surface);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease),
    box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.page-home .step:hover,
.page-home .step:focus-within {
  transform: translateY(-4px);
  border-color: var(--c-accent);
  background: linear-gradient(180deg, rgba(27, 58, 85, 0.9), rgba(14, 42, 66, 0.96));
  box-shadow: var(--shadow-1);
}

.page-home .step__no {
  align-self: flex-start;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--c-accent-2);
  background: rgba(164, 107, 255, 0.14);
  border-radius: 999px;
}

.page-home .step__title {
  margin: 0;
  font-size: 19px;
}

.page-home .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-text-2);
}

.page-home .step__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 4px;
  font-size: 14px;
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

.page-home .step__link:hover,
.page-home .step__link:focus-visible {
  border-bottom-color: currentColor;
}

.page-home .steps__aside {
  padding-left: 18px;
  border-left: 2px solid rgba(164, 107, 255, 0.5);
}

.page-home .steps__aside .kicker {
  margin-bottom: 16px;
}

.page-home .meta-list {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.page-home .meta-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--home-line-soft);
}

.page-home .meta-list dt {
  font-size: 14px;
  color: var(--c-text-2);
}

.page-home .meta-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-home .aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--c-text-2);
}

/* ---------- 登录记录 ---------- */

.page-home .records {
  background: linear-gradient(180deg, rgba(14, 42, 66, 0.55) 0%, rgba(7, 26, 43, 0) 100%);
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .records__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  align-items: center;
}

.page-home .records__figure {
  margin: 0;
}

.page-home .records__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .records__body h2 {
  margin-bottom: 16px;
}

.page-home .records__list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 26px 0 28px;
  padding: 0;
}

.page-home .records__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .records__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-online);
  padding-top: 3px;
}

.page-home .records__list p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--c-text-2);
}

.page-home .records__cta {
  align-self: flex-start;
}

/* ---------- 分类索引 ---------- */

.page-home .taxonomy {
  position: relative;
  overflow: hidden;
}

.page-home .taxonomy__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.1;
  pointer-events: none;
}

.page-home .taxonomy__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .taxonomy > .container {
  position: relative;
  z-index: 1;
}

.page-home .taxonomy__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
}

.page-home .tax__subtitle {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent-2);
}

.page-home .tax__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .tax__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 13px 10px;
  border-bottom: 1px solid var(--home-line-soft);
  transition: background-color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-home .tax__item:hover {
  padding-left: 16px;
  background: rgba(27, 58, 85, 0.55);
}

.page-home .tax__no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-accent-2);
}

.page-home .tax__title {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--c-text);
}

.page-home .tax__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--c-text-2);
  white-space: nowrap;
}

.page-home .taxonomy__note {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-home .taxonomy__note a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.45);
}

.page-home .taxonomy__note a:hover,
.page-home .taxonomy__note a:focus-visible {
  border-bottom-color: var(--c-accent);
}

/* ---------- 底部常驻栏目带 ---------- */

.page-home .band {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 6.5vw, 84px);
  border-top: 1px solid var(--home-line);
  background: linear-gradient(180deg, rgba(14, 42, 66, 0.92) 0%, rgba(7, 26, 43, 0.98) 100%);
}

.page-home .band__deco {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 130px;
  z-index: 0;
  opacity: 0.24;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 100%);
}

.page-home .band__deco img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center bottom;
}

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

.page-home .band__chips {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(142px, 1fr));
  gap: 9px;
  margin: 0;
  padding: 0;
}

.page-home .band__chip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  font-size: 14px;
  color: var(--c-text-2);
  background: rgba(14, 42, 66, 0.62);
  border: 1px solid var(--home-line);
  border-radius: 999px;
  transition: border-color 180ms var(--ease), color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-home .band__chip:hover {
  color: var(--c-text);
  background: rgba(27, 58, 85, 0.9);
  border-color: var(--c-accent);
}

.page-home .band__chip-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-accent-2);
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-home .steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .taxonomy__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .records__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

@media (min-width: 900px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 1.38fr) minmax(310px, 0.82fr);
    align-items: end;
  }

  .page-home .cover__query {
    margin-bottom: 8px;
  }

  .page-home .steps__layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
  }
}

@media (max-width: 679px) {
  .page-home .cover__bg {
    inset: 0 0 34% 0;
    opacity: 0.26;
  }

  .page-home .cover__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-home .cover__facts {
    gap: 18px 26px;
  }

  .page-home .tax__item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .page-home .tax__meta {
    grid-column: 2;
    white-space: normal;
  }
}