.page-home {
  --home-tint-rights: #E3EEF6;
  --home-tint-tools: #EDF3F7;
  --home-tint-service: #F6F1E6;
  --home-deep-shadow: 0 22px 46px -30px rgba(10, 36, 54, 0.5);
}

/* ---------- 封面 ---------- */
.page-home .cover {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5.5vw, 68px) 0 clamp(24px, 3.5vw, 40px);
  background: linear-gradient(178deg, var(--frost) 0%, #E7F0F7 62%, #DEEAF2 100%);
}

.page-home .cover::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -10%;
  width: 62%;
  height: 140%;
  background: linear-gradient(
    102deg,
    rgba(201, 144, 47, 0) 0%,
    rgba(201, 144, 47, 0.18) 38%,
    rgba(188, 215, 230, 0.06) 58%,
    rgba(30, 92, 130, 0) 100%
  );
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-home .cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--crystal);
  pointer-events: none;
}

.page-home .cover__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .cover__meta {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-home .cover__meta-sep {
  color: var(--crystal);
}

.page-home .cover__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink-ice);
}

.page-home .cover__lead {
  margin: 0 0 28px;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--brown-black);
}

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

.page-home .cover__visual {
  position: relative;
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--ink-ice);
  overflow: hidden;
  box-shadow: var(--home-deep-shadow);
}

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

.page-home .cover__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  background: rgba(10, 36, 54, 0.82);
}

.page-home .cover__index {
  position: relative;
  z-index: 1;
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  border-top: 1px solid var(--crystal);
}

.page-home .cover__index-link {
  display: inline-block;
  padding: 4px 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-home .cover__index-link:hover,
.page-home .cover__index-link:focus-visible {
  color: var(--ink-ice);
  border-bottom-color: var(--gold);
}

.page-home .cover__index-link[aria-current="true"] {
  color: var(--ink-ice);
  border-bottom-color: var(--signal);
}

/* ---------- 两步路径 ---------- */
.page-home .path {
  padding: clamp(48px, 6vw, 88px) 0;
  background: var(--frost);
}

.page-home .path__kicker,
.page-home .blocks__kicker,
.page-home .notes-band__kicker,
.page-home .scale__kicker,
.page-home .assist__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-home .path__title,
.page-home .blocks__title,
.page-home .notes-band__title,
.page-home .scale__title,
.page-home .assist__title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.24;
  color: var(--ink-ice);
}

.page-home .path__svg {
  display: none;
  width: 100%;
  height: 72px;
  margin-bottom: 8px;
}

.page-home .path__board {
  position: relative;
  overflow: hidden;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--ink-ice);
  padding: clamp(24px, 4vw, 48px);
}

.page-home .path__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  pointer-events: none;
}

.page-home .path__steps {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .path__step {
  padding-top: 18px;
  border-top: 2px solid var(--gold);
}

.page-home .path__step:last-child {
  border-top-color: var(--signal);
}

.page-home .path__step-num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .path__step:last-child .path__step-num {
  color: var(--signal);
}

.page-home .path__step-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  color: var(--frost);
}

.page-home .path__step-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #C9DAE6;
}

.page-home .path__foot {
  margin: 20px 0 0;
}

.page-home .path__link {
  font-size: 14px;
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--crystal);
  padding-bottom: 2px;
}

.page-home .path__link:hover,
.page-home .path__link:focus-visible {
  color: var(--ink-ice);
  border-bottom-color: var(--gold);
}

/* ---------- 三块栏目 ---------- */
.page-home .blocks {
  padding: clamp(48px, 6vw, 88px) 0 0;
  background: var(--frost);
}

.page-home .blocks__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .blocks__lead {
  margin: 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--brown-black);
}

.page-home .blocks__figure {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-ice);
}

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

.page-home .biz {
  border-top: 1px solid var(--crystal);
  padding: clamp(26px, 3.6vw, 42px) 0;
}

.page-home .biz:last-of-type {
  border-bottom: 1px solid var(--crystal);
}

.page-home .biz--rights { background: var(--home-tint-rights); }
.page-home .biz--tools  { background: var(--home-tint-tools); }
.page-home .biz--service { background: var(--home-tint-service); }

.page-home .biz__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .biz__label {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-home .biz__count {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--brown-black);
}

.page-home .biz__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  color: var(--ink-ice);
}

.page-home .biz__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--brown-black);
}

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

.page-home .biz__link {
  display: inline-block;
  font-size: 14px;
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--ice-blue);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-home .biz__link::after {
  content: " →";
  font-family: var(--font-mono);
}

.page-home .biz__link:hover,
.page-home .biz__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 更新笔记 ---------- */
.page-home .notes-band {
  padding: clamp(48px, 6vw, 88px) 0;
  background: var(--frost);
}

.page-home .notes-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-home .notes-band__title {
  margin-bottom: 0;
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .filter-btn {
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ice-blue);
  background: transparent;
  border: 1px solid var(--crystal);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-home .filter-btn:hover,
.page-home .filter-btn:focus-visible {
  border-color: var(--ice-blue);
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--ink-ice);
  border-color: var(--ink-ice);
  color: var(--frost);
}

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

.page-home .note-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--crystal);
}

.page-home .note-item__time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .note-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--brown-black);
}

.page-home .note-item[hidden] {
  display: none;
}

.page-home .filter-empty {
  margin: 22px 0 0;
  padding: 18px;
  font-size: 15px;
  color: var(--brown-black);
  background: var(--cream);
  border: 1px solid var(--crystal);
}

.page-home .filter-empty__reset {
  margin-left: 10px;
  padding: 0;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ice-blue);
  background: none;
  border: none;
  border-bottom: 1px solid var(--ice-blue);
  cursor: pointer;
}

/* ---------- 平台规模 ---------- */
.page-home .scale {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 6vw, 88px) 0;
  background: var(--ink-ice);
  color: var(--frost);
}

.page-home .scale::before {
  content: "";
  position: absolute;
  top: -20%;
  left: -14%;
  width: 46%;
  height: 140%;
  background: linear-gradient(96deg, rgba(188, 215, 230, 0) 0%, rgba(188, 215, 230, 0.1) 50%, rgba(188, 215, 230, 0) 100%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-home .scale__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

.page-home .scale__kicker {
  color: var(--gold);
}

.page-home .scale__title {
  color: var(--frost);
  margin-bottom: 16px;
}

.page-home .scale__lead {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: #C9DAE6;
}

.page-home .scale__link {
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 144, 47, 0.55);
  padding-bottom: 2px;
}

.page-home .scale__link:hover,
.page-home .scale__link:focus-visible {
  border-bottom-color: var(--gold);
}

.page-home .scale__figure {
  margin: 0;
  border: 1px solid rgba(188, 215, 230, 0.28);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .scale__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.86;
}

.page-home .scale__stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.page-home .scale__stat {
  padding-top: 12px;
  border-top: 1px solid rgba(188, 215, 230, 0.3);
}

.page-home .scale__stat dt {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-home .scale__stat dd {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: #B7CBD9;
}

/* ---------- 人工协助 ---------- */
.page-home .assist {
  padding: clamp(48px, 6vw, 88px) 0;
  background: var(--cream);
}

.page-home .assist__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-home .assist__text {
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--brown-black);
}

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

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

.page-home .assist__item {
  padding: 14px 0;
  border-bottom: 1px solid var(--crystal);
}

.page-home .assist__item-label {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
}

.page-home .assist__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--brown-black);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .path__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px;
  }

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

  .page-home .note-item {
    grid-template-columns: 84px 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

@media (min-width: 900px) {
  .page-home .cover__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
  }

  .page-home .blocks__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .biz__inner {
    grid-template-columns: 200px minmax(0, 1fr) 168px;
    align-items: start;
    gap: 36px;
  }

  .page-home .biz__label {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-home .biz__more {
    text-align: right;
  }

  .page-home .scale__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-home .scale__stats {
    grid-column: 1 / -1;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin-top: 12px;
  }

  .page-home .assist__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cover__index-link,
  .page-home .biz__link,
  .page-home .filter-btn {
    transition: none;
  }

  .page-home .cover::before,
  .page-home .scale::before {
    transform: none;
  }
}