.page-home {
  --home-max: var(--page-max);
  --home-pad: clamp(34px, 4.6vw, 74px);
  --home-radius: 2px;
  background: var(--nm-deep);
  color: var(--nm-frost);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .home-inner {
  max-width: var(--home-max);
  margin: 0 auto;
  padding: var(--home-pad) var(--gutter);
}

.page-home .home-sec {
  border-top: 1px solid var(--nm-line-soft);
}

.page-home .home-sec__head {
  margin-bottom: clamp(20px, 2.8vw, 34px);
}

.page-home .home-sec__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 2.6vw, 1.95rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--nm-snow);
}

.page-home .home-sec__sub {
  max-width: 44em;
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--nm-rock);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  background:
    linear-gradient(180deg, rgba(27, 74, 107, 0.42), rgba(6, 23, 37, 0) 68%),
    var(--nm-deep);
  border-bottom: 1px solid var(--nm-line-soft);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--nm-maple), var(--nm-copper) 46%, var(--nm-ice));
  opacity: 0.85;
}

.page-home .home-hero__inner {
  max-width: var(--home-max);
  margin: 0 auto;
  padding: clamp(38px, 5.4vw, 78px) var(--gutter) clamp(26px, 3.4vw, 42px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 46px);
  align-items: end;
}

.page-home .home-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 4.6vw, 3.35rem);
  line-height: 1.13;
  letter-spacing: -0.02em;
  color: var(--nm-snow);
}

.page-home .home-hero__lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: clamp(0.96rem, 1.1vw, 1.06rem);
  line-height: 1.78;
  color: var(--nm-frost);
}

.page-home .home-hero__note {
  max-width: 34em;
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--nm-ice);
  font-size: 0.88rem;
  line-height: 1.76;
  color: var(--nm-rock);
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
  background: var(--nm-sea);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

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

.page-home .home-hero__steps {
  max-width: var(--home-max);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(30px, 4vw, 54px);
}

.page-home .steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--nm-line);
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .steps__item {
  counter-increment: step;
  background: rgba(14, 43, 69, 0.6);
}

.page-home .steps__link {
  display: grid;
  gap: 5px;
  height: 100%;
  padding: 16px 18px 18px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .steps__link::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--nm-ice);
}

.page-home .steps__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--nm-snow);
}

.page-home .steps__desc {
  font-size: 0.82rem;
  line-height: 1.68;
  color: var(--nm-rock);
}

.page-home .steps__link:hover,
.page-home .steps__link:focus-visible {
  background: rgba(27, 74, 107, 0.78);
  border-left-color: var(--nm-copper);
}

.page-home .steps__link:focus-visible {
  outline: 1px solid var(--nm-ice);
  outline-offset: -3px;
}

/* ---------- 入口阵列 ---------- */

.page-home .map-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--nm-line);
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .map-cell {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 138px;
  padding: 20px 18px 22px;
  background: rgba(14, 43, 69, 0.72);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .map-cell--std {
  border-left-color: var(--nm-maple);
}

.page-home .map-cell--pro {
  border-left-color: var(--nm-copper);
}

.page-home .map-cell:hover,
.page-home .map-cell:focus-visible {
  background: var(--nm-polar);
  border-left-color: var(--nm-ice);
}

.page-home .map-cell:focus-visible {
  outline: 1px solid var(--nm-ice);
  outline-offset: -3px;
}

.page-home .map-cell__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--nm-ice);
}

.page-home .map-cell__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.3;
  color: var(--nm-snow);
}

.page-home .map-cell__desc {
  font-size: 0.83rem;
  line-height: 1.66;
  color: var(--nm-rock);
}

.page-home .home-map__band {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  height: clamp(104px, 15vw, 172px);
  overflow: hidden;
  border: 1px solid var(--nm-line-soft);
  border-radius: var(--home-radius);
  background: var(--nm-sea);
}

.page-home .home-map__band img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.55;
}

/* ---------- 双版本对照 ---------- */

.page-home .home-versions__band {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  height: clamp(96px, 13vw, 156px);
  overflow: hidden;
  border: 1px solid var(--nm-line-soft);
  border-radius: var(--home-radius);
  background: var(--nm-sea);
}

.page-home .home-versions__band img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.page-home #versions,
.page-home #codes,
.page-home #save,
.page-home #log,
.page-home #entrance {
  scroll-margin-top: 96px;
}

.page-home .mirror {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--nm-line);
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .mirror__side {
  padding: 22px 20px 26px;
  background: rgba(14, 43, 69, 0.72);
  border-top: 3px solid transparent;
}

.page-home .mirror__side--std {
  border-top-color: var(--nm-maple);
}

.page-home .mirror__side--pro {
  border-top-color: var(--nm-copper);
}

.page-home .mirror__seam {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--nm-deep);
  border-left: 1px solid var(--nm-line-soft);
  border-right: 1px solid var(--nm-line-soft);
}

.page-home .mirror__seam span {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  color: var(--nm-rock);
}

.page-home .plate {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 16px;
  padding: 8px 14px 8px 15px;
  background: var(--nm-deep);
  border: 1px solid var(--nm-line);
  border-left-width: 3px;
  border-left-color: var(--nm-copper);
  border-radius: var(--home-radius);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--nm-frost);
}

.page-home .plate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 2px;
  background: var(--nm-copper);
}

.page-home .plate--std {
  border-left-color: var(--nm-maple);
}

.page-home .plate--std::before {
  background: var(--nm-maple);
}

.page-home .plate--pro {
  border-left-color: var(--nm-copper);
}

.page-home .plate--copper {
  margin-top: 18px;
  margin-bottom: 0;
}

.page-home .plate__code {
  color: var(--nm-snow);
  font-weight: 600;
}

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

.page-home .mirror__row {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-top: 1px dashed var(--nm-line-soft);
}

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

.page-home .mirror__row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--nm-rock);
}

.page-home .mirror__row dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--nm-frost);
}

.page-home .mirror__go {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--nm-line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--nm-ice);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .mirror__go:hover,
.page-home .mirror__go:focus-visible {
  color: var(--nm-copper);
  border-bottom-color: var(--nm-copper);
}

/* 版本速判切换 */

.page-home .picker {
  position: relative;
  margin-top: clamp(22px, 2.8vw, 32px);
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .picker__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .picker__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--nm-line);
}

.page-home .picker__tab {
  padding: 12px 14px;
  background: var(--nm-sea);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-align: center;
  color: var(--nm-rock);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-home .picker__tab:hover {
  color: var(--nm-frost);
}

.page-home #pick-std:checked ~ .picker__tabs .picker__tab--std {
  background: var(--nm-deep);
  color: var(--nm-snow);
  box-shadow: inset 0 -2px 0 var(--nm-maple);
}

.page-home #pick-pro:checked ~ .picker__tabs .picker__tab--pro {
  background: var(--nm-deep);
  color: var(--nm-snow);
  box-shadow: inset 0 -2px 0 var(--nm-copper);
}

.page-home .picker__radio:focus-visible ~ .picker__tabs .picker__tab {
  outline: 2px solid var(--nm-ice);
  outline-offset: -3px;
}

.page-home .picker__panels {
  padding: 18px 16px 20px;
  background: rgba(14, 43, 69, 0.5);
}

.page-home .picker__panel {
  display: none;
  margin: 0;
  max-width: 52em;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--nm-frost);
}

.page-home #pick-std:checked ~ .picker__panels .picker__panel--std {
  display: block;
}

.page-home #pick-pro:checked ~ .picker__panels .picker__panel--pro {
  display: block;
}

/* ---------- 编号与收藏 ---------- */

.page-home .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 38px);
}

.page-home .guide-block__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.35;
  color: var(--nm-snow);
}

.page-home .guide-block__text {
  max-width: 34em;
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--nm-frost);
}

.page-home .guide-block__text:last-of-type {
  margin-bottom: 0;
}

.page-home .guide-block + .guide-block {
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--nm-line-soft);
}

.page-home .save-steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .save-steps__item {
  position: relative;
  padding-left: 22px;
  font-size: 0.89rem;
  line-height: 1.74;
  color: var(--nm-rock);
}

.page-home .save-steps__item::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 2px;
  width: 6px;
  height: 6px;
  background: var(--nm-ice);
}

.page-home .guide-grid__figure {
  margin: 0;
  border: 1px solid var(--nm-line-soft);
  border-radius: var(--home-radius);
  overflow: hidden;
  background: var(--nm-sea);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-home .guide-grid__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  min-height: 200px;
  object-fit: cover;
  opacity: 0.78;
}

/* ---------- 登记摘要 ---------- */

.page-home .log-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--nm-line-soft);
  border-top: 1px solid var(--nm-line-soft);
  border-bottom: 1px solid var(--nm-line-soft);
}

.page-home .log-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 0;
  background: var(--nm-deep);
}

.page-home .log-item__tag {
  justify-self: start;
  padding: 3px 9px;
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--nm-frost);
}

.page-home .log-item__tag--add {
  border-color: rgba(215, 162, 76, 0.55);
  color: var(--nm-copper);
}

.page-home .log-item__tag--check {
  border-color: rgba(47, 110, 94, 0.9);
  color: #7fc3ac;
}

.page-home .log-item__tag--topic {
  border-color: rgba(95, 208, 220, 0.5);
  color: var(--nm-ice);
}

.page-home .log-item__tag--card {
  border-color: rgba(126, 147, 166, 0.6);
  color: var(--nm-rock);
}

.page-home .log-item__text {
  margin: 0;
  max-width: 46em;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--nm-frost);
}

.page-home .log-item__link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--nm-ice);
  text-decoration: none;
  border-bottom: 1px solid var(--nm-line);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .log-item__link:hover,
.page-home .log-item__link:focus-visible {
  color: var(--nm-copper);
  border-bottom-color: var(--nm-copper);
}

/* ---------- 联络条 ---------- */

.page-home .reach-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(120deg, rgba(27, 74, 107, 0.55), rgba(6, 23, 37, 0.9));
  border: 1px solid var(--nm-line);
  border-radius: var(--home-radius);
}

.page-home .reach-strip__text {
  max-width: 32em;
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--nm-frost);
}

.page-home .reach-strip__list {
  margin: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .reach-strip__row {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--nm-line-soft);
}

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

.page-home .reach-strip__row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--nm-rock);
}

.page-home .reach-strip__row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--nm-snow);
  word-break: break-word;
}

.page-home .home-reach__legal {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--nm-rock);
}

.page-home .home-reach__legal a {
  color: var(--nm-frost);
  text-decoration: none;
  border-bottom: 1px solid var(--nm-line);
}

.page-home .home-reach__legal a:hover,
.page-home .home-reach__legal a:focus-visible {
  color: var(--nm-ice);
  border-bottom-color: var(--nm-ice);
}

.page-home .home-reach__sep {
  padding: 0 6px;
  color: var(--nm-line);
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .page-home .map-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .log-item {
    grid-template-columns: 84px minmax(0, 1fr);
    grid-template-areas:
      "tag text"
      ".   link";
    align-items: start;
    column-gap: 16px;
  }

  .page-home .log-item__tag {
    grid-area: tag;
  }

  .page-home .log-item__text {
    grid-area: text;
  }

  .page-home .log-item__link {
    grid-area: link;
  }

  .page-home .reach-strip {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 780px) {
  .page-home .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .mirror {
    grid-template-columns: minmax(0, 1fr) 46px minmax(0, 1fr);
  }

  .page-home .mirror__seam {
    display: flex;
  }

  .page-home .guide-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

@media (min-width: 1000px) {
  .page-home .map-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .map-cell {
    min-height: 156px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .steps__link,
  .page-home .map-cell,
  .page-home .mirror__go,
  .page-home .log-item__link,
  .page-home .picker__tab {
    transition: none;
  }
}