/* ================= 首页 · 呼号台 ================= */
.page-home {
  --home-pad: clamp(56px, 9vw, 104px);
  position: relative;
}

/* ---------- 通用文字件 ---------- */
.page-home .kicker {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--circuit);
}

.page-home .sec-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--mist);
  text-wrap: balance;
}

.page-home .block-head {
  max-width: 64ch;
  margin: 0 0 clamp(26px, 4vw, 44px);
}

.page-home .block-head__note {
  margin: 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 7vw, 84px) 0 clamp(64px, 10vw, 124px);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-home .hero__blade {
  position: absolute;
  display: block;
}

.page-home .hero__blade--signal {
  top: -16%;
  right: -12%;
  width: min(74vw, 580px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, rgba(255, 106, 43, 0.85), rgba(201, 107, 63, 0.14));
  clip-path: polygon(34% 0%, 100% 0%, 100% 66%, 0% 100%);
  opacity: 0.48;
}

.page-home .hero__blade--circuit {
  bottom: -20%;
  left: -14%;
  width: min(60vw, 430px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(225deg, rgba(47, 216, 208, 0.62), rgba(122, 92, 255, 0.1));
  clip-path: polygon(0% 24%, 76% 0%, 100% 100%, 0% 100%);
  opacity: 0.4;
}

.page-home .hero__wave {
  position: absolute;
  left: -2%;
  bottom: 3%;
  width: 104%;
  height: clamp(72px, 11vw, 150px);
  z-index: 1;
  opacity: 0.6;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .hero__wave {
    animation: home-wave-drift 22s ease-in-out infinite alternate;
  }
}

@keyframes home-wave-drift {
  from { transform: translateX(-2.4%); }
  to { transform: translateX(2.4%); }
}

.page-home .hero__grid {
  position: relative;
  z-index: 3;
  display: grid;
  gap: clamp(30px, 5vw, 44px);
  align-items: center;
}

.page-home .hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--circuit);
  background: rgba(47, 216, 208, 0.07);
  box-shadow: inset 0 0 0 1px var(--circuit-line);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: 0.005em;
  color: var(--mist);
  text-wrap: balance;
}

.page-home .hero__lede {
  max-width: 38em;
  margin: 0 0 28px;
  color: var(--mist);
  opacity: 0.84;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 30px;
}

.page-home .hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .hero__stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--rock);
}

.page-home .hero__stats b {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--lemon);
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 9%, 90% 0, 100% 86%, 12% 100%);
}

/* ---------- 三层入口 ---------- */
.page-home .entries {
  padding: 0 0 var(--home-pad);
}

.page-home .entry-stack {
  display: grid;
  gap: 28px;
}

.page-home .entry {
  position: relative;
  padding: 38px 24px 26px;
  background: linear-gradient(158deg, rgba(18, 41, 74, 0.92), rgba(6, 14, 26, 0.92));
  box-shadow: inset 0 0 0 1px rgba(139, 154, 179, 0.2);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: box-shadow 0.22s var(--ease), transform 0.3s var(--ease);
}

.page-home .entry:hover {
  box-shadow: inset 0 0 0 1px rgba(47, 216, 208, 0.45);
  transform: translateY(-4px);
}

.page-home .entry__tag {
  position: absolute;
  top: 0;
  left: 24px;
  padding: 5px 12px 7px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--ink-900);
  background: var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
  transition: background 0.2s var(--ease);
}

.page-home .entry__tag--circuit { background: var(--circuit); }
.page-home .entry__tag--violet { background: var(--violet); color: var(--mist); }

.page-home .entry:hover .entry__tag { background: var(--lemon); }

.page-home .entry__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-home .entry p {
  margin: 0 0 18px;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--rock);
}

.page-home .entry__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--circuit);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .entry__link::after { content: "→"; color: var(--signal); }

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

@media (min-width: 880px) {
  .page-home .entry-stack {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 30px 24px;
    align-items: start;
  }
  .page-home .entry--a { grid-column: 1 / span 7; }
  .page-home .entry--b { grid-column: 8 / span 5; margin-top: 56px; }
  .page-home .entry--c { grid-column: 2 / span 7; margin-top: -6px; }
}

/* ---------- 更新快照 ---------- */
.page-home .updates {
  padding: var(--home-pad) 0;
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .updates__rail {
  max-width: 52ch;
}

.page-home .updates__intro {
  margin: 0 0 22px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--rock);
}

.page-home .updates__list {
  display: grid;
  gap: 12px;
}

.page-home .snap {
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(18, 41, 74, 0.62), rgba(11, 27, 51, 0.48));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 0.2s var(--ease);
}

.page-home .snap[open] { border-color: var(--circuit-line); }

.page-home .snap__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding: 16px 46px 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-home .snap__head::-webkit-details-marker { display: none; }

.page-home .snap__head::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--circuit);
}

.page-home .snap[open] .snap__head::after { content: "–"; }

.page-home .snap__ver {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-home .snap__title {
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .snap__body {
  display: grid;
  gap: 10px;
  padding: 0 20px 20px;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--rock);
}

.page-home .snap__body p { margin: 0; }

.page-home .snap__meta {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--circuit);
}

@media (min-width: 920px) {
  .page-home .updates__grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }
  .page-home .updates__rail {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 呼号体系 ---------- */
.page-home .ident {
  padding: var(--home-pad) 0;
}

.page-home .ident__grid {
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-home .ident__media {
  position: relative;
  margin: 0;
}

.page-home .ident__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 6%, 92% 0, 100% 94%, 8% 100%);
}

.page-home .ident__badge {
  position: absolute;
  right: 16px;
  bottom: 52px;
  padding: 6px 12px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-900);
  background: var(--lemon);
}

.page-home .ident__cap {
  display: block;
  margin-top: 12px;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--rock);
}

.page-home .ident__lede {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--rock);
}

.page-home .ident__facts {
  display: grid;
  gap: 14px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-home .ident__facts li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
  border-bottom: 1px dashed var(--line);
}

.page-home .ident__facts .mono {
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--circuit);
}

@media (min-width: 920px) {
  .page-home .ident__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 60px;
  }
}

/* ---------- 运营面 ---------- */
.page-home .ops {
  padding: var(--home-pad) 0;
  background: linear-gradient(180deg, transparent, rgba(18, 41, 74, 0.6) 28%, rgba(18, 41, 74, 0.6) 72%, transparent);
}

.page-home .ops-band {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 18px;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 26px 0 0;
  list-style: none;
}

.page-home .ops-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 12px);
}

.page-home .ops-band__item {
  position: relative;
  padding-top: 12px;
}

.page-home .ops-band__item::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lemon);
  box-shadow: 0 0 0 4px rgba(216, 255, 62, 0.14);
}

.page-home .ops-band__num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--circuit);
}

.page-home .ops-band__label {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .ops__media {
  margin: 0 0 clamp(24px, 3vw, 34px);
}

.page-home .ops__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.page-home .ops__foot {
  margin: 0;
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--rock);
}

.page-home .ops__foot a {
  color: var(--circuit);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-home .ops__foot a:hover { color: var(--lemon); }

@media (min-width: 780px) {
  .page-home .ops-band {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 26px 20px;
  }
}

/* ---------- 会员权益 ---------- */
.page-home .member {
  padding: 0 0 var(--home-pad);
}

.page-home .member__slab {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 58px) clamp(20px, 4vw, 54px);
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-home .member__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.page-home .member__inner {
  position: relative;
  z-index: 1;
}

.page-home .member__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--rock);
}

.page-home .tiers {
  display: grid;
  gap: 16px;
  margin: 26px 0 30px;
}

.page-home .tier {
  padding: 22px 20px 24px;
  background: rgba(6, 14, 26, 0.78);
  box-shadow: inset 0 0 0 1px var(--line), inset 0 3px 0 0 var(--rock);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .tier--wave { box-shadow: inset 0 0 0 1px var(--line), inset 0 3px 0 0 var(--circuit); }
.page-home .tier--flag { box-shadow: inset 0 0 0 1px var(--line), inset 0 3px 0 0 var(--signal); }

.page-home .tier__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-home .tier__for {
  margin: 0 0 14px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--rock);
}

.page-home .tier__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
  color: var(--mist);
}

.page-home .tier__list li {
  position: relative;
  padding-left: 16px;
  line-height: 1.7;
}

.page-home .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 1px;
  background: var(--circuit);
}

.page-home .member__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
}

.page-home .member__tip {
  margin: 0;
  max-width: 40ch;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--rock);
}

@media (min-width: 880px) {
  .page-home .tiers {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .page-home .tier { grid-column: span 4; }
  .page-home .tier--wave { margin-top: 24px; }
  .page-home .tier--flag { margin-top: 48px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .hero__wave { animation: none; }
  .page-home .entry { transition: none; }
  .page-home .entry:hover { transform: none; }
  .page-home .entry:hover .entry__tag { background: var(--signal); }
  .page-home .entry:hover .entry__tag--circuit { background: var(--circuit); }
  .page-home .entry:hover .entry__tag--violet { background: var(--violet); }
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 480px) {
  .page-home .hero__stats { gap: 10px 18px; }
  .page-home .ident__facts li { grid-template-columns: 52px minmax(0, 1fr); gap: 10px; }
  .page-home .entry { padding: 36px 18px 22px; }
  .page-home .entry__tag { left: 18px; }
  .page-home .member__slab { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%); }
}
