.page-home{
  --home-gap: clamp(1.5rem, 3vw, 3rem);
  display: block;
  overflow-x: hidden;
  background: var(--mist);
}

/* ---------- 首屏：杂志封面 ---------- */
.page-home .cover{
  position: relative;
  isolation: isolate;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3.5rem, 8vw, 6rem);
  background:
    radial-gradient(115% 85% at 84% 4%, rgba(14, 143, 143, .12), transparent 62%),
    linear-gradient(180deg, var(--mist) 0%, var(--mist) 70%, var(--silver) 100%);
}

.page-home .cover__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: start;
}

@media (min-width: 920px){
  .page-home .cover__grid{
    grid-template-columns: 132px minmax(0, 1fr) minmax(264px, 320px);
    gap: clamp(1.5rem, 3vw, 3rem);
  }
}

/* 左栏导览 */
.page-home .cover__rail{
  position: static;
  background: transparent;
  border: 0;
  padding: 0;
}
.page-home .cover__rail .rail__title{
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--muted);
}
.page-home .cover__rail .rail__list{
  list-style: none;
  margin: 0;
  padding: 0 0 .2rem;
  display: flex;
  gap: .9rem;
  overflow-x: auto;
}
.page-home .cover__rail .rail__link{
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  white-space: nowrap;
  padding: .3rem .1rem;
  font-size: .9rem;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}
.page-home .cover__rail .rail__link:hover,
.page-home .cover__rail .rail__link:focus-visible{
  color: var(--amber-deep);
  border-left-color: var(--amber);
}
.page-home .rail__num{
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--teal);
}

@media (min-width: 920px){
  .page-home .cover__rail .rail__list{
    display: block;
    overflow: visible;
  }
  .page-home .cover__rail .rail__link{
    display: flex;
    padding: .5rem .2rem;
  }
}

/* 中央标题 */
.page-home .page-context{
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-home .cover__title{
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.35rem, 8vw, 5.1rem);
  line-height: 1.06;
  letter-spacing: -.03em;
  color: var(--ink);
}
.page-home .cover__title-line{ display: block; }
.page-home .cover__title-line--accent::after{
  content: "";
  display: block;
  width: clamp(64px, 15vw, 176px);
  height: 8px;
  margin-top: .42em;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--amber), var(--teal));
}
.page-home .cover__lede{
  max-width: 36em;
  margin: clamp(1.25rem, 2.6vw, 1.85rem) 0 0;
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.85;
  color: var(--ink);
}

/* 右栏玻璃入口层 */
.page-home .cover__side{
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.1rem, 2.4vw, 1.5rem);
  box-shadow: var(--shadow);
}
.page-home .cover__tagline{
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}
.page-home .cover__sidenote{
  margin: .35rem 0 .9rem;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--muted);
}
.page-home .entry-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .entry-list__item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .1rem .6rem;
  padding: .75rem 0;
  border-top: 1px solid var(--line);
}
.page-home .entry-list__item:first-child{ border-top: 0; }
.page-home .entry-list__num{
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--amber-deep);
  padding-top: .2rem;
}
.page-home .entry-list__link{
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}
.page-home .entry-list__link:hover,
.page-home .entry-list__link:focus-visible{
  color: var(--amber-deep);
  border-bottom-color: var(--amber);
}
.page-home .entry-list__hint{
  grid-column: 2;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--muted);
}
.page-home .cover__figure{
  margin: 1.1rem 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--silver);
}
.page-home .cover__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 山脊线 + 云雾收束 */
.page-home .cover__ridge{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: clamp(44px, 8vw, 104px);
  background: linear-gradient(180deg, rgba(195, 205, 212, 0), rgba(195, 205, 212, .55));
  clip-path: polygon(0 100%, 0 64%, 11% 46%, 23% 68%, 37% 32%, 51% 60%, 65% 38%, 78% 64%, 90% 44%, 100% 62%, 100% 100%);
  pointer-events: none;
  z-index: -1;
}

/* ---------- 通用区块节奏 ---------- */
.page-home .section{
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.page-home .section-head{
  display: grid;
  gap: .85rem;
  max-width: 62rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.page-home .section-title{
  margin: 0;
  font-weight: 800;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-home .section-lede{
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 三步上手 ---------- */
.page-home .steps{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 3rem);
}
@media (min-width: 900px){
  .page-home .steps{
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: center;
  }
}
.page-home .steps__figure{
  margin: 0;
  order: -1;
}
.page-home .steps__figure img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--silver);
  box-shadow: var(--shadow);
}
.page-home .steps__figure .figure__caption{
  margin-top: .7rem;
  font-size: .8rem;
  color: var(--muted);
}
.page-home .steps__body .section-lede{
  margin-top: .85rem;
}

.page-home .step-list{
  list-style: none;
  margin: clamp(1.25rem, 2.5vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}
.page-home .step-list__item{
  position: relative;
  padding: 1rem 1.1rem 1.1rem 4.1rem;
  background: var(--silver);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}
.page-home .step-list__item:hover{
  border-color: var(--amber);
  transform: translateY(-2px);
}
.page-home .step-list__num{
  position: absolute;
  left: 1.1rem;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--amber);
}
.page-home .step-list__title{
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.45;
  color: var(--ink);
}
.page-home .step-list__text{
  margin: .4rem 0 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--muted);
}
.page-home .steps__body .link-arrow{
  display: inline-block;
  margin-top: clamp(1.1rem, 2vw, 1.6rem);
}

/* ---------- 下载与反馈卡片瀑布 ---------- */
.page-home .section--entries{
  background: var(--mist);
}
.page-home .entry-filter{
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.page-home .filter-bar{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.page-home .filter-btn{
  font: inherit;
  font-size: .9rem;
  padding: .45rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--silver);
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .filter-btn:hover{ border-color: var(--amber); }
.page-home .filter-btn[aria-pressed="true"]{
  background: var(--amber);
  border-color: var(--amber);
  color: var(--deep);
  font-weight: 700;
}

.page-home .cascade{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2vw, 1.5rem);
}
@media (min-width: 720px){
  .page-home .cascade{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1080px){
  .page-home .cascade{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.page-home .cascade__card{
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(1.1rem, 2vw, 1.5rem);
  background: var(--silver);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
}
.page-home .cascade__card:hover{
  border-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.page-home .cascade__card[hidden]{ display: none; }

.page-home .cascade__figure{
  margin: 0 0 .35rem;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--mist);
}
.page-home .cascade__figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .cascade__card .card__meta{
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--teal);
}
.page-home .cascade__card .card__title{
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--ink);
}
.page-home .cascade__card .card__text{
  margin: 0;
  flex: 1;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--muted);
}
.page-home .cascade__card .link-arrow{
  margin-top: .4rem;
  font-size: .92rem;
}

@media (min-width: 720px){
  .page-home .cascade__card--lead{ grid-column: span 2; }
}
@media (min-width: 900px){
  .page-home .cascade__card--lead{
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1fr);
    grid-template-rows: auto auto 1fr auto;
    column-gap: clamp(1rem, 2vw, 1.75rem);
    align-items: start;
  }
  .page-home .cascade__card--lead .cascade__figure{
    grid-column: 1;
    grid-row: 1 / -1;
    margin: 0;
    height: 100%;
  }
  .page-home .cascade__card--lead .cascade__figure img{ height: 100%; }
  .page-home .cascade__card--lead .card__meta{ grid-column: 2; grid-row: 1; }
  .page-home .cascade__card--lead .card__title{ grid-column: 2; grid-row: 2; }
  .page-home .cascade__card--lead .card__text{ grid-column: 2; grid-row: 3; }
  .page-home .cascade__card--lead .link-arrow{ grid-column: 2; grid-row: 4; }
}

/* ---------- 深色更新带 ---------- */
.page-home .section--updates{
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(85% 70% at 10% 0%, rgba(14, 143, 143, .3), transparent 62%),
    var(--deep);
}
.page-home .section--updates .section-title{ color: var(--silver); }
.page-home .section--updates .section-lede{ color: rgba(248, 250, 252, .76); }
.page-home .section--updates .eyebrow{ color: var(--amber); }

.page-home .journal{
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 720px){
  .page-home .journal{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1080px){
  .page-home .journal{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.page-home .journal__item{
  position: relative;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(195, 205, 212, .32);
}
.page-home .journal__node{
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
}
.page-home .journal__item--pending .journal__node{
  background: transparent;
  border: 2px solid var(--amber);
}
.page-home .journal__tag{
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--amber);
}
.page-home .journal__title{
  margin: .55rem 0 .4rem;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--silver);
}
.page-home .journal__text{
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(248, 250, 252, .7);
}
.page-home .updates__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
}
.page-home .section--updates .btn--ghost{
  color: var(--silver);
  border-color: rgba(248, 250, 252, .42);
}
.page-home .section--updates .btn--ghost:hover{
  border-color: var(--amber);
  color: var(--amber);
}

/* ---------- 服务时效与联系 ---------- */
.page-home .section--service{
  position: relative;
  padding-top: clamp(4rem, 8vw, 6.5rem);
  background: var(--mist);
}
.page-home .section--service::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(28px, 4.5vw, 64px);
  background: var(--deep);
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 100%);
}
.page-home .section--service .section-title{
  margin-top: .3rem;
}
.page-home .section--service .link-arrow{
  display: inline-block;
  margin-top: clamp(1.2rem, 2.4vw, 1.8rem);
}

.page-home .contact-slip{
  margin-top: clamp(1.5rem, 3vw, 2rem);
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  display: grid;
  gap: .9rem;
}
.page-home .contact-slip__row{
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .25rem .75rem;
  padding-bottom: .9rem;
  border-bottom: 1px dashed var(--line);
}
.page-home .contact-slip__row:last-child{
  padding-bottom: 0;
  border-bottom: 0;
}
.page-home .contact-slip__key{
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--muted);
}
.page-home .contact-slip__value{
  grid-column: 1;
  font-size: .98rem;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}
.page-home .copy-btn{
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font: inherit;
  font-size: .82rem;
  padding: .42rem .9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--silver);
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .copy-btn:hover{
  border-color: var(--amber);
  color: var(--amber-deep);
}
.page-home .copy-btn[data-copied]{
  background: var(--amber);
  border-color: var(--amber);
  color: var(--deep);
  font-weight: 700;
}

/* ---------- 收尾带 ---------- */
.page-home .closing-band{
  margin: 0;
  line-height: 0;
  background: linear-gradient(180deg, var(--mist), var(--silver));
}
.page-home .closing-band img{
  display: block;
  width: 100%;
  max-width: 1600px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  .page-home .step-list__item:hover,
  .page-home .cascade__card:hover{
    transform: none;
  }
}