.page-home{
  --home-radius: 16px;
  --home-arc-fade: rgba(159, 196, 216, 0.5);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-display);
  overflow-x: hidden;
}

.page-home .section{
  padding: clamp(2.5rem, 6vw, 4.75rem) 0;
}

/* ---------- 首屏 ---------- */
.page-home .hero{
  background: var(--ink);
  color: var(--paper);
  padding: clamp(1.75rem, 5vw, 3rem) 0 clamp(2.25rem, 6vw, 4.5rem);
  border-bottom: 1px solid rgba(159, 196, 216, 0.28);
}

.page-home .hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-home .hero__context{
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--shallow);
  text-transform: uppercase;
}

.page-home .hero__title{
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 6.4vw, 3.15rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: #FFFFFF;
}

.page-home .hero__lead{
  margin: 0 0 1.5rem;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(248, 245, 239, 0.84);
}

.page-home .hero__pill-row{
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
}

.page-home .hero__pill{
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(159, 196, 216, 0.42);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: rgba(248, 245, 239, 0.9);
  text-decoration: none;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-home .hero__pill:hover,
.page-home .hero__pill:focus-visible{
  border-color: var(--paper);
  background: rgba(248, 245, 239, 0.14);
  color: #FFFFFF;
}

.page-home .issue-plate{
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-left: 3px solid var(--signal);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

.page-home .issue-plate__label{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--shallow);
}

.page-home .issue-plate__num{
  font-family: var(--font-serif);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1;
  color: #FFFFFF;
}

.page-home .issue-plate__date{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--shallow);
}

/* 仪表盘 */
.page-home .gauge-panel{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.15rem, 3vw, 1.85rem);
  border: 1px solid rgba(159, 196, 216, 0.34);
  border-radius: var(--home-radius);
  background: #0C2E49;
}

.page-home .gauge-panel__photo{
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  max-width: 100%;
}

.page-home .gauge{
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
}

.page-home .gauge__ring{
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
}

.page-home .gauge__ring--1{ stroke: var(--home-arc-fade); }
.page-home .gauge__ring--2{ stroke: var(--tide); }
.page-home .gauge__ring--3{ stroke: var(--shallow); }
.page-home .gauge__ring--4{ stroke: var(--signal); }

.page-home .gauge__total{
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  fill: #FFFFFF;
}

.page-home .gauge__unit{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  fill: var(--shallow);
}

.page-home .gauge-legend{
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem 1rem;
}

.page-home .gauge-legend li{
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: rgba(248, 245, 239, 0.86);
}

.page-home .gauge-legend__dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.page-home .gauge-legend__dot--a{ background: var(--home-arc-fade); }
.page-home .gauge-legend__dot--b{ background: var(--tide); }
.page-home .gauge-legend__dot--c{ background: var(--shallow); }
.page-home .gauge-legend__dot--d{ background: var(--signal); }

.page-home .gauge-legend__num{
  margin-left: auto;
  color: #FFFFFF;
  font-weight: 500;
}

.page-home .gauge-panel__foot{
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(159, 196, 216, 0.3);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--shallow);
}

/* ---------- 章节标题 ---------- */
.page-home .sec-head{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.5rem 1rem;
  align-items: end;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .display-num{
  font-family: var(--font-serif);
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: rgba(16, 58, 92, 0.16);
}

.page-home .sec-head__text h2{
  margin: 0.2rem 0 0.5rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--ink);
}

.page-home .sec-head__note{
  margin: 0;
  max-width: 36em;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

.page-home .sec-head--light .display-num{ color: rgba(159, 196, 216, 0.32); }
.page-home .sec-head--light .sec-head__text h2{ color: #FFFFFF; }
.page-home .sec-head--light .sec-head__note{ color: rgba(248, 245, 239, 0.8); }

/* ---------- 板块入口 ---------- */
.page-home .banner{
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  overflow: hidden;
  line-height: 0;
}

.page-home .banner img{
  display: block;
  width: 100%;
  height: clamp(120px, 22vw, 210px);
  object-fit: cover;
}

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

.page-home .board-tabs{
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.35rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .board-tabs label{
  flex: none;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-home .board-tabs label:hover{
  border-color: var(--tide);
  color: var(--tide);
}

#bf-all:checked ~ .board-tabs label[for="bf-all"],
#bf-faq:checked ~ .board-tabs label[for="bf-faq"],
#bf-case:checked ~ .board-tabs label[for="bf-case"],
#bf-tab:checked ~ .board-tabs label[for="bf-tab"],
#bf-new:checked ~ .board-tabs label[for="bf-new"]{
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

#bf-all:focus-visible ~ .board-tabs label[for="bf-all"],
#bf-faq:focus-visible ~ .board-tabs label[for="bf-faq"],
#bf-case:focus-visible ~ .board-tabs label[for="bf-case"],
#bf-tab:focus-visible ~ .board-tabs label[for="bf-tab"],
#bf-new:focus-visible ~ .board-tabs label[for="bf-new"]{
  outline: 2px solid var(--tide);
  outline-offset: 2px;
}

#bf-faq:checked ~ .board-grid .board-card:not([data-board="faq"]),
#bf-case:checked ~ .board-grid .board-card:not([data-board="case"]),
#bf-tab:checked ~ .board-grid .board-card:not([data-board="tab"]),
#bf-new:checked ~ .board-grid .board-card:not([data-board="new"]){
  display: none;
}

.page-home .board-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.page-home .board-card{
  position: relative;
  padding: 1.5rem 1.25rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: #FFFFFF;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .board-card:hover,
.page-home .board-card:focus-within{
  border-color: var(--tide);
  box-shadow: 0 18px 34px -30px rgba(16, 58, 92, 0.6);
}

.page-home .board-card__date{
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--shallow);
  border-radius: 4px;
  background: var(--glass-strong);
  color: var(--ink);
  transition: transform 160ms var(--ease);
}

.page-home .board-card:hover .board-card__date,
.page-home .board-card:focus-within .board-card__date{
  transform: translateY(-2px);
}

.page-home .board-card__index{
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--tide);
}

.page-home .board-card__title{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0 0 0.6rem;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-home .board-card__count{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-home .board-card__text{
  margin: 0 0 1rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

.page-home .board-card__link{
  display: inline-block;
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--tide);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

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

.page-home .board-card__link:hover,
.page-home .board-card__link:focus-visible{
  border-bottom-color: var(--tide);
  color: var(--ink);
}

/* ---------- 三步定位 ---------- */
.page-home .steps{
  background: var(--sand);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .steps__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

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

.page-home .steps__figure img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--shallow);
  border-radius: var(--home-radius);
  background: var(--paper);
}

.page-home .steps__caption{
  margin-top: 0.6rem;
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-home .sec-head--tight{
  margin-bottom: 1.25rem;
}

.page-home .step-list{
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.page-home .step{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(46, 127, 168, 0.28);
}

.page-home .step:last-child{
  border-bottom: 1px solid rgba(46, 127, 168, 0.28);
}

.page-home .step__num{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  background: var(--ink);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  height: fit-content;
}

.page-home .step__title{
  margin: 0 0 0.35rem;
  font-size: var(--fs-16);
  font-weight: 800;
  color: var(--ink);
}

.page-home .step__text{
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 近期变化 ---------- */
.page-home .changes__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.page-home .changes__art img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
}

.page-home .change-list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .change{
  padding: 1.1rem 0 1.25rem;
  border-top: 1px solid var(--line);
}

.page-home .change:first-child{
  border-top: 3px solid var(--signal);
}

.page-home .change__head{
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 0.5rem;
}

.page-home .change__issue{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--ink);
  font-weight: 500;
}

.page-home .change__date{
  color: var(--signal);
  font-weight: 500;
}

.page-home .change__title{
  margin: 0 0 0.45rem;
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .change__text{
  margin: 0;
  max-width: 36em;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text);
}

.page-home .changes__more{
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 1.75rem 0 0;
  font-size: var(--fs-14);
}

.page-home .changes__more a{
  color: var(--tide);
  text-decoration: none;
  border-bottom: 1px solid var(--shallow);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-home .changes__more a:hover,
.page-home .changes__more a:focus-visible{
  color: var(--ink);
  border-bottom-color: var(--tide);
}

/* ---------- 全量索引 ---------- */
.page-home .full-index{
  background: var(--ink);
  color: var(--paper);
}

.page-home .index-box{
  border: 1px solid rgba(159, 196, 216, 0.36);
  border-radius: var(--home-radius);
  background: rgba(255, 255, 255, 0.06);
}

.page-home .index-box > summary{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
}

.page-home .index-box > summary::-webkit-details-marker{
  display: none;
}

.page-home .index-box__title{
  font-size: var(--fs-16);
  font-weight: 800;
  color: #FFFFFF;
}

.page-home .index-box__hint{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--shallow);
}

.page-home .index-box__arrow{
  margin-left: auto;
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid var(--shallow);
  border-bottom: 2px solid var(--shallow);
  transform: rotate(45deg);
  transition: transform 220ms var(--ease);
}

.page-home .index-box[open] .index-box__arrow{
  transform: rotate(-135deg);
}

.page-home .index-box__body{
  padding: 0.25rem 1.15rem 1.35rem;
  border-top: 1px solid rgba(159, 196, 216, 0.26);
}

.page-home .index-group{
  padding-top: 1.1rem;
}

.page-home .index-group__title{
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.6rem;
  font-size: var(--fs-16);
  font-weight: 800;
  color: #FFFFFF;
}

.page-home .index-group__title span{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  color: var(--signal);
  letter-spacing: 0.08em;
}

.page-home .index-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
}

.page-home .index-list li{
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.3rem 0;
  border-bottom: 1px dashed rgba(159, 196, 216, 0.22);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: rgba(248, 245, 239, 0.86);
}

.page-home .index-list__id{
  flex: none;
  min-width: 4.6em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--shallow);
}

.page-home .full-index__more{
  margin: 1.5rem 0 0;
  font-size: var(--fs-14);
}

.page-home .full-index__more a{
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 1px;
}

.page-home .full-index__more a:hover,
.page-home .full-index__more a:focus-visible{
  color: var(--shallow);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px){
  .page-home .board-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .board-card:nth-child(even){
    transform: translateY(24px);
  }

  .page-home .board-filter{
    padding-bottom: 24px;
  }

  .page-home .index-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.75rem;
  }
}

@media (min-width: 900px){
  .page-home .hero{
    padding-top: clamp(2rem, 4vw, 3rem);
    padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
  }

  .page-home .hero__grid{
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-home .gauge{
    max-width: 340px;
  }

  .page-home .steps__grid{
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .changes__grid{
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .sec-head{
    gap: 0.75rem 1.5rem;
  }

  .page-home .banner img{
    height: clamp(180px, 20vw, 240px);
  }
}

@media (min-width: 1100px){
  .page-home .board-card{
    padding: 1.75rem 1.5rem 1.5rem;
  }

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

@media (prefers-reduced-motion: reduce){
  .page-home .board-card,
  .page-home .board-card__date,
  .page-home .index-box__arrow,
  .page-home .hero__pill{
    transition: none;
  }
}
<<<END>>>