.page-home {
  --home-grid-line: rgba(126, 147, 180, 0.075);
  --home-muted: rgba(233, 239, 247, 0.74);
  --home-dark-muted: rgba(11, 23, 48, 0.72);
  position: relative;
  overflow-x: hidden;
  color: var(--paper);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-home .home-shell {
  padding-block: clamp(20px, 3vw, 38px) clamp(44px, 7vw, 84px);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}
.page-home .home-crumb .breadcrumb__item {
  color: var(--ink-500);
}
.page-home .home-crumb .breadcrumb__item[aria-current="page"] {
  color: var(--paper);
}
.page-home .home-crumb > .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--ink-700);
}

/* ---------- 通用文本件 ---------- */
.page-home .section-title {
  margin: 0.35em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-home .section-lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--home-muted);
}
.page-home .section-lead--dark {
  color: var(--home-dark-muted);
}

/* ---------- 首屏 ---------- */
.page-home .home-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-bottom: clamp(10px, 2vw, 20px);
}
.page-home .cover-head {
  min-width: 0;
}
.page-home .cover-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.6vw, 4.4rem);
  line-height: 1.07;
  letter-spacing: -0.022em;
  color: var(--paper);
}
.page-home .cover-title__hl {
  display: inline-block;
  color: var(--amber-soft);
}
.page-home .cover-lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: var(--home-muted);
}
.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 28px);
}
.page-home .cover-routes {
  list-style: none;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-home .cover-route {
  display: grid;
  grid-template-columns: 3.8em minmax(0, 1fr) auto;
  gap: 6px 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.page-home .cover-route__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}
.page-home .cover-route__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--home-muted);
}
.page-home .cover-route__link {
  font-size: 13px;
  color: var(--celadon);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid rgba(79, 183, 154, 0.42);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-home .cover-route__link:hover,
.page-home .cover-route__link:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

.page-home .cover-aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}
.page-home .home-cover__fig {
  margin: 0;
}
.page-home .figure-frame {
  margin: 0;
}
.page-home .figure-frame__img {
  position: relative;
  overflow: hidden;
}
.page-home .figure-frame__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 版本铭牌 */
.page-home .vplate {
  padding: 14px 16px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--amber);
}
.page-home .vplate__row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-home .vplate__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px rgba(79, 183, 154, 0.18);
  flex: 0 0 auto;
}
.page-home .vplate__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
}
.page-home .vplate__v {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.page-home .vplate__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--home-muted);
}

/* ---------- 三栏目索引卡 ---------- */
.page-home .cover-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 18px);
}
.page-home .index-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(158deg, var(--ink-800) 0%, var(--ink-850) 100%);
  border: 2px solid var(--ink-700);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
  transition: border-color 0.28s ease, background 0.28s ease;
}
.page-home .index-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--idx-bar, var(--amber));
}
.page-home .index-card--content {
  --idx-bar: linear-gradient(90deg, var(--amber), var(--amber-deep));
}
.page-home .index-card--account {
  --idx-bar: linear-gradient(90deg, var(--celadon), var(--celadon-deep));
}
.page-home .index-card--notice {
  --idx-bar: linear-gradient(90deg, var(--ink-500), var(--ink-700));
}
.page-home .index-card:hover,
.page-home .index-card:focus-visible {
  border-color: var(--amber);
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 100%);
}
.page-home .index-card__no {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
}
.page-home .index-card__title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-home .index-card__use {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-muted);
}
.page-home .index-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--celadon);
}
.page-home .index-card:hover .index-card__go {
  color: var(--amber-soft);
}

/* ---------- 第 12 版 ---------- */
.page-home .home-v12 {
  margin-top: clamp(34px, 6vw, 70px);
  padding: clamp(24px, 3.6vw, 46px);
  background: linear-gradient(154deg, var(--ink-850) 0%, var(--ink-800) 62%, var(--ink-700) 145%);
  border: 2px solid var(--ink-700);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}
.page-home .v12-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
  margin-top: clamp(22px, 3vw, 32px);
}
.page-home .v12-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .v12-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.page-home .v12-item:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-home .v12-item__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}
.page-home .v12-item h3 {
  margin: 0 0 4px;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}
.page-home .v12-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-muted);
}
.page-home .v12-fig {
  margin: 0;
}

/* ---------- 三步路径（浅色呼吸区） ---------- */
.page-home .home-steps {
  margin-top: clamp(34px, 6vw, 70px);
  padding: clamp(26px, 4vw, 52px);
  background: var(--paper-soft);
  color: var(--ink-900);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}
.page-home .home-steps .eyebrow {
  color: var(--celadon-deep);
}
.page-home .home-steps .section-title {
  color: var(--ink-900);
}
.page-home .steps-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 3vw, 34px);
  align-items: start;
}
.page-home .step-track {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .step {
  position: relative;
  padding: 0 0 24px 30px;
  border-left: 2px solid rgba(29, 53, 87, 0.18);
}
.page-home .step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-home .step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper-soft);
  border: 2px solid var(--celadon-deep);
}
.page-home .step:last-child::before {
  background: var(--celadon);
  border-color: var(--celadon);
}
.page-home .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--celadon-deep);
}
.page-home .step__title {
  margin: 6px 0 4px;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}
.page-home .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-dark-muted);
}
.page-home .steps-fig {
  margin: 0;
}

/* ---------- 日常入口数据 ---------- */
.page-home .home-data {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  margin-top: clamp(40px, 7vw, 84px);
}
.page-home .data-fig {
  min-width: 0;
}
.page-home .data-body {
  min-width: 0;
}
.page-home .data-viz {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: center;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-home .ring-wrap {
  display: grid;
  justify-items: center;
  gap: 8px;
}
.page-home .data-ring {
  display: block;
  width: 104px;
  height: 104px;
}
.page-home .ring-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}
.page-home .stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: clamp(12px, 2vw, 22px);
}
.page-home .stat {
  padding-top: 12px;
  border-top: 2px solid var(--ink-700);
}
.page-home .stat:first-child {
  border-top-color: var(--amber);
}
.page-home .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-home .stat__unit {
  margin-left: 2px;
  font-size: 0.48em;
  color: var(--amber);
}
.page-home .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-500);
}

/* ---------- 四条指引线 ---------- */
.page-home .home-guides {
  margin-top: clamp(40px, 7vw, 84px);
}
.page-home .guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(22px, 3vw, 34px);
  padding-bottom: 4px;
}
.page-home .guide-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-850);
  border: 2px solid var(--ink-700);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    var(--cut) 100%,
    0 calc(100% - var(--cut))
  );
  transition: border-color 0.28s ease, background 0.28s ease;
}
.page-home .guide-card:hover,
.page-home .guide-card:focus-visible {
  border-color: var(--celadon-deep);
  background: var(--ink-800);
}
.page-home .guide-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--amber);
}
.page-home .guide-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.3;
  color: var(--paper);
}
.page-home .guide-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-muted);
}
.page-home .guide-card__meta {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

/* ---------- 结尾咨询 ---------- */
.page-home .home-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 34px);
  margin-top: clamp(44px, 7vw, 90px);
  padding: clamp(26px, 4.4vw, 52px) clamp(22px, 4vw, 48px);
  background: linear-gradient(120deg, var(--ink-800) 0%, var(--ink-850) 100%);
  border: 1px solid var(--ink-700);
  border-left: 4px solid var(--amber);
}
.page-home .cta-body {
  min-width: 0;
}
.page-home .home-cta .section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}
.page-home .cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}
.page-home .cta-copy {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  padding: 11px 16px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.page-home .cta-copy:hover,
.page-home .cta-copy:focus-visible {
  border-color: var(--amber);
  color: var(--amber-soft);
}
.page-home .cta-side {
  min-width: 0;
  padding-top: clamp(16px, 2vw, 0px);
  border-top: 1px solid var(--line);
}
.page-home .cta-side__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}
.page-home .cta-side__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--home-muted);
}
.page-home .cta-side__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 183, 154, 0.42);
}
.page-home .cta-side__link:hover,
.page-home .cta-side__link:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .data-viz {
    grid-template-columns: 108px minmax(0, 1fr);
  }
}

@media (min-width: 720px) {
  .page-home .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 34px;
  }
  .page-home .guide-card:nth-child(2),
  .page-home .guide-card:nth-child(4) {
    transform: translateY(26px);
  }
}

@media (min-width: 760px) {
  .page-home .cover-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    padding-bottom: 44px;
  }
  .page-home .cover-index .index-card:nth-child(2) {
    margin-top: 24px;
  }
  .page-home .cover-index .index-card:nth-child(3) {
    margin-top: 48px;
  }
}

@media (min-width: 860px) {
  .page-home .steps-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-home .home-cta {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-home .cta-side {
    padding-top: 0;
    padding-left: clamp(18px, 2.4vw, 30px);
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-home .home-cover {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-home .cover-head {
    grid-column: 1;
  }
  .page-home .cover-aside {
    grid-column: 2;
  }
  .page-home .cover-index {
    grid-column: 1 / -1;
  }
  .page-home .v12-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-home .home-data {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-card,
  .page-home .guide-card,
  .page-home .cta-copy {
    transition: none;
  }
  .page-home .guide-card:nth-child(2),
  .page-home .guide-card:nth-child(4) {
    transform: none;
  }
}