.page-home {
  --home-radius: 3px;
  --home-plinth: linear-gradient(155deg, #16324F 0%, #0E2340 100%);
  background: var(--ink);
  color: var(--silver);
  overflow-x: hidden;
}

.page-home .read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--signal);
  z-index: 90;
  pointer-events: none;
}

/* ---------- 封面 ---------- */

.page-home .cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(84px, 13vh, 148px) 0 clamp(52px, 8vh, 96px);
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(255, 107, 53, .12) 0%, transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--night) 58%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
}

.page-home .cover-media {
  position: absolute;
  inset: 0;
  margin: 0;
  overflow: hidden;
  opacity: .26;
  pointer-events: none;
  z-index: -1;
}

.page-home .cover-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.page-home .cover-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 51, .5) 0%, rgba(11, 27, 51, .88) 100%);
}

.page-home .cover-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 60px);
  align-items: end;
}

.page-home .cover-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .78125rem;
  letter-spacing: .14em;
  color: var(--amber);
  border: 1px solid rgba(224, 163, 62, .38);
  background: rgba(224, 163, 62, .08);
  border-radius: 999px;
  padding: 7px 15px;
}

.page-home .season-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(224, 163, 62, .16);
  flex: none;
}

.page-home .cover-title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: .92;
  margin: clamp(16px, 2.6vw, 28px) 0 clamp(18px, 2.6vw, 26px);
  color: var(--white);
}

.page-home .cover-title-top {
  display: block;
  font-size: clamp(2.7rem, 10.5vw, 7.4rem);
}

.page-home .cover-title-main {
  display: block;
  margin-top: .16em;
  font-size: clamp(1.35rem, 4.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--signal);
}

.page-home .cover-lede {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(1rem, 1.2vw, 1.0938rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-home .cover .btn-row {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .cover-index {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}

.page-home .cover-index-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-home .cover-index-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 9px 8px;
  font-size: .9375rem;
  color: var(--silver);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--speed), border-color var(--speed), background var(--speed);
}

.page-home .cover-index-list a .mono {
  font-size: .75rem;
  color: var(--signal);
  letter-spacing: .08em;
}

.page-home .cover-index-list a:hover,
.page-home .cover-index-list a:focus-visible {
  color: var(--white);
  border-left-color: var(--signal);
  background: var(--glass);
}

/* ---------- 阶梯主区 ---------- */

.page-home .deck {
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(56px, 8vw, 104px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .deck-main {
  min-width: 0;
}

.page-home .deck-rail {
  display: none;
}

.page-home .deck-rail-note {
  margin: 18px 0 0;
  font-size: .75rem;
  letter-spacing: .06em;
  color: rgba(199, 208, 217, .5);
}

.page-home .section {
  padding: clamp(42px, 6.4vw, 82px) 0;
  border-top: 1px solid var(--line);
}

.page-home .deck-main > .section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .section-head {
  margin-bottom: clamp(26px, 3.8vw, 44px);
}

.page-home .section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.4vw, 2.45rem);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--white);
  margin: 12px 0 14px;
}

.page-home .section-head .lede {
  max-width: 64ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
}

.page-home .figure-frame {
  margin: 0 0 clamp(26px, 3.4vw, 42px);
}

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

/* ---------- 看台分区 ---------- */

.page-home .sector-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .sector-card {
  position: relative;
  background: var(--night);
  padding: clamp(20px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: background var(--speed);
}

.page-home .sector-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--speed);
}

.page-home .sector-card:hover {
  background: #17304F;
}

.page-home .sector-card:hover::before {
  transform: scaleY(1);
}

.page-home .sector-no {
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--signal);
}

.page-home .sector-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1875rem;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-home .sector-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 季度节奏 ---------- */

.page-home .plinth {
  background: var(--home-plinth);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  padding: clamp(26px, 4vw, 52px);
  margin: clamp(46px, 6.8vw, 86px) 0;
}

.page-home .timeline {
  list-style: none;
  margin: 0 0 clamp(26px, 3.6vw, 44px);
  padding: 0 0 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-left: 1px solid var(--line-strong);
}

.page-home .timeline-item {
  position: relative;
  padding: 16px 0 16px 14px;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 23px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
}

.page-home .timeline-tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: .71875rem;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-home .timeline-item h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--white);
}

.page-home .timeline-item p {
  margin: 0;
  font-size: .90625rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 术语与结算 ---------- */

.page-home .entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-home .entry-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--home-radius);
}

.page-home .entry-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 1.9vw, 1.4375rem);
  line-height: 1.26;
  letter-spacing: -.008em;
}

.page-home .entry-panel p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
}

.page-home .entry-panel--paper {
  background: var(--paper);
  color: #1C2430;
}

.page-home .entry-panel--paper h3 {
  color: #0E1B2C;
}

.page-home .entry-panel--paper p {
  color: #3D4A5C;
}

.page-home .entry-panel--teal {
  background: linear-gradient(160deg, rgba(95, 168, 159, .22) 0%, rgba(168, 207, 201, .06) 100%);
  border: 1px solid rgba(95, 168, 159, .38);
  color: var(--silver);
}

.page-home .entry-panel--teal h3 {
  color: var(--white);
}

.page-home .entry-panel .btn {
  margin-top: 4px;
}

/* ---------- 服务规模 ---------- */

.page-home .sheet {
  background: var(--paper);
  color: #232C38;
  border-radius: var(--home-radius);
  padding: clamp(28px, 4vw, 54px) clamp(20px, 3.2vw, 46px);
}

.page-home .sheet .section-head h2 {
  color: #0E1B2C;
}

.page-home .sheet .section-head .lede {
  color: #45536A;
}

.page-home .sheet .eyebrow {
  color: #8A6A22;
}

.page-home .trust-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(11, 27, 51, .16);
  border: 1px solid rgba(11, 27, 51, .16);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .trust-cell {
  background: var(--paper);
  padding: clamp(16px, 2.2vw, 26px);
}

.page-home .trust-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  line-height: 1;
  color: #0E1B2C;
  letter-spacing: -.01em;
}

.page-home .trust-label {
  display: block;
  margin-top: 10px;
  font-size: .8125rem;
  line-height: 1.62;
  color: #4A5668;
}

.page-home .trust-foot {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: .9375rem;
  line-height: 1.85;
  color: #3D4A5C;
  max-width: 72ch;
}

/* ---------- 遇到疑问 ---------- */

.page-home .support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-home .faq-fold {
  border-bottom: 1px solid var(--line);
}

.page-home .faq-fold summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.03125rem;
  line-height: 1.4;
  color: var(--white);
  transition: color var(--speed);
}

.page-home .faq-fold summary::-webkit-details-marker {
  display: none;
}

.page-home .faq-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--signal);
  line-height: 1.2;
}

.page-home .faq-fold[open] summary::after {
  content: "–";
}

.page-home .faq-fold summary:hover {
  color: var(--signal);
}

.page-home .faq-fold p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--silver);
}

.page-home .support-panel {
  background: var(--glass);
  border: 1px solid var(--line-strong);
  border-radius: var(--home-radius);
  padding: clamp(22px, 3vw, 34px);
}

.page-home .support-panel h3 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 1.9vw, 1.4375rem);
  line-height: 1.26;
  color: var(--white);
}

.page-home .support-panel p {
  margin: 0 0 20px;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--silver);
}

/* ---------- 动效 ---------- */

.page-home [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}

.page-home [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.page-home .deck-rail a {
  display: block;
  padding: 9px 0;
  font-size: .9375rem;
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed);
}

.page-home .deck-rail a:hover,
.page-home .deck-rail a:focus-visible {
  color: var(--white);
}

.page-home .deck-rail a[aria-current="true"] {
  color: var(--signal);
  font-weight: 600;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .sector-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .trust-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 clamp(14px, 2vw, 28px);
    border-left: 0;
    border-top: 1px solid var(--line-strong);
    padding: 0;
  }
  .page-home .timeline-item {
    padding: 26px 0 0;
  }
  .page-home .timeline-item::before {
    left: 0;
    top: -4px;
  }
}

@media (min-width: 860px) {
  .page-home .support-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-home .cover-media {
    inset: 0 0 0 44%;
    opacity: .42;
  }
  .page-home .cover-media::after {
    background: linear-gradient(90deg, #0B1B33 0%, rgba(11, 27, 51, .62) 34%, rgba(11, 27, 51, .12) 100%);
  }
  .page-home .cover-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(230px, .78fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (min-width: 1024px) {
  .page-home .deck {
    grid-template-columns: 194px minmax(0, 1fr);
    gap: clamp(36px, 4.6vw, 78px);
  }
  .page-home .deck-rail {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
    border-left: 1px solid var(--line-strong);
    padding-left: 18px;
  }
}

@media (min-width: 1100px) {
  .page-home .sector-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-home .cover-index-list a,
  .page-home .sector-card,
  .page-home .sector-card::before,
  .page-home .faq-fold summary {
    transition: none;
  }
}
</main>