/* ============================================================
   page-home · 当季观测台
   ============================================================ */

.page-home {
  --cover-ratio: min(88vh, 920px);
}

.page-home img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 01 首屏封面 ---------- */

.page-home .cover {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: var(--cover-ratio);
  padding: clamp(44px, 8vh, 96px) 0 clamp(60px, 12vh, 136px);
}

.page-home .cover-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 53, 100, 0.62) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 53, 100, 0.42) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 92% at 74% 22%, #000 10%, transparent 78%);
  mask-image: radial-gradient(120% 92% at 74% 22%, #000 10%, transparent 78%);
}

.page-home .cover-media {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  margin: 0;
  width: min(66%, 940px);
  height: 100%;
  opacity: 0.38;
  -webkit-mask-image: linear-gradient(to left, #000 28%, transparent 96%);
  mask-image: linear-gradient(to left, #000 28%, transparent 96%);
}

.page-home .cover-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .cover-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.page-home .cover-crumb {
  margin-bottom: clamp(22px, 4vh, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .cover-crumb .crumb-sep {
  margin: 0 8px;
  color: var(--line);
}

.page-home .cover-crumb [aria-current="page"] {
  color: var(--cyan);
}

.page-home .cover-coord {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 clamp(20px, 3.4vh, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-home .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

.page-home .dot--gold { background: var(--yellow); }
.page-home .dot--red { background: var(--red); }
.page-home .dot--green { background: var(--green); }
.page-home .dot--violet { background: var(--violet); }

.page-home .cover-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 1.06;
  letter-spacing: 0.04em;
  color: var(--white);
  max-width: 15ch;
}

.page-home .cover-title em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-home .cover-lede {
  margin: clamp(24px, 4vh, 40px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

.page-home .cover-actions {
  margin-top: clamp(28px, 4.4vh, 44px);
}

.page-home .cover-figures {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 4vw, 64px);
  max-width: 760px;
  margin: clamp(40px, 7vh, 76px) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .cover-figures li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-home .cover-figures .num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
}

.page-home .fig-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 02 当季通道 ---------- */

.page-home .gate-board {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(28px, 4.4vw, 52px);
}

.page-home .route-map {
  width: 100%;
  height: auto;
  display: block;
}

.page-home .rm-grid line {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 4 10;
}

.page-home .rm-line {
  fill: none;
}

.page-home .rm-line--old {
  stroke: var(--muted);
  stroke-width: 2;
  stroke-dasharray: 7 9;
}

.page-home .rm-line--new {
  stroke: var(--cyan);
  stroke-width: 3;
}

.page-home .rm-nodes circle {
  stroke-width: 2;
}

.page-home .rm-nodes--old circle {
  fill: var(--ink);
  stroke: var(--muted);
}

.page-home .rm-nodes--new circle {
  fill: var(--cyan);
  stroke: var(--cyan);
}

.page-home .route-lists {
  display: grid;
  gap: 24px;
}

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

.page-home .route-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  font-size: 15px;
  color: var(--text);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-home .route-list--old li {
  background: rgba(138, 147, 184, 0.08);
  color: var(--muted);
}

.page-home .route-list--new li {
  background: rgba(47, 214, 196, 0.1);
  color: var(--white);
}

.page-home .route-list .route-head {
  justify-content: space-between;
  padding: 0;
  background: none;
  clip-path: none;
}

.page-home .route-step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .route-list--new .route-step {
  color: var(--cyan);
}

.page-home .route-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 03 检索入口 ---------- */

.page-home .desk-asym {
  margin-top: clamp(26px, 4vw, 48px);
  gap: clamp(22px, 3vw, 44px);
}

.page-home .desk-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .rail-link {
  display: grid;
  gap: 10px;
  padding: 22px 22px 20px;
  text-decoration: none;
  background: var(--panel);
  color: var(--text);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  background: rgba(47, 214, 196, 0.08);
  box-shadow: inset 0 0 0 1px rgba(47, 214, 196, 0.55);
}

.page-home .rail-link .tag {
  justify-self: start;
}

.page-home .rail-title {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-home .rail-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .rail-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-home .desk-main {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-content: start;
}

.page-home .desk-figure {
  margin: 0;
}

.page-home .desk-note-title {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--muted);
}

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

.page-home .desk-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-home .desk-points .dot {
  margin-top: 10px;
}

.page-home .desk-tail {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 04 记录规模 ---------- */

.page-home .record-stats {
  list-style: none;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-home .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .records-body {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: clamp(30px, 4.6vw, 54px);
}

.page-home .records-figure {
  margin: 0;
}

.page-home .records-bars-title {
  margin: 0 0 20px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--muted);
}

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

.page-home .sbar {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.page-home .sbar-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .sbar-track {
  display: block;
  position: relative;
  height: 10px;
  background: rgba(138, 147, 184, 0.16);
  overflow: hidden;
}

.page-home .sbar-fill {
  display: block;
  height: 100%;
  width: 50%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-home .season-bars li:nth-child(1) .sbar-fill { width: 90.1%; }
.page-home .season-bars li:nth-child(2) .sbar-fill { width: 94.7%; }
.page-home .season-bars li:nth-child(3) .sbar-fill { width: 96.7%; }
.page-home .season-bars li:nth-child(4) .sbar-fill { width: 99.5%; }
.page-home .season-bars li:nth-child(5) .sbar-fill { width: 100%; }

.page-home .sbar-val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
}

.page-home .records-tail {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .records-tail .num {
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* ---------- 05 更新节奏 ---------- */

.page-home .phases {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-home .phases-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  opacity: 0.16;
}

.page-home .phases-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-home .phase-track {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(248px, 1fr);
  gap: 16px;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0 0 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-home .phase {
  scroll-snap-align: start;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 22px 22px;
  background: rgba(19, 28, 70, 0.9);
  border-top: 2px solid var(--line);
}

.page-home .phase--pre { border-top-color: var(--cyan); }
.page-home .phase--reg { border-top-color: var(--green); }
.page-home .phase--play { border-top-color: var(--red); }
.page-home .phase--off { border-top-color: var(--yellow); }

.page-home .phase-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .phase-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--white);
}

.page-home .phase-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-home .phase-freq {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 06 帮助与联络 ---------- */

.page-home .help-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-home .help-text {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-home .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-home .help-card {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 26px 24px 24px;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-home .help-card-title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .help-card .copy-chip {
  justify-self: start;
  min-height: 44px;
}

.page-home .help-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-home .help-list div {
  display: grid;
  gap: 6px;
}

.page-home .help-list dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .help-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-home .help-list .num {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- 响应式 ---------- */

@media (max-width: 700px) {
  .page-home .cover {
    min-height: auto;
    padding-top: clamp(36px, 9vh, 64px);
  }

  .page-home .cover-media {
    width: 100%;
    opacity: 0.2;
    -webkit-mask-image: linear-gradient(to bottom, #000 20%, transparent 92%);
    mask-image: linear-gradient(to bottom, #000 20%, transparent 92%);
  }

  .page-home .cover-title {
    max-width: none;
  }

  .page-home .sbar {
    grid-template-columns: 62px minmax(0, 1fr) auto;
    gap: 10px;
  }
}

@media (min-width: 820px) {
  .page-home .route-lists {
    grid-template-columns: 1fr 1fr;
    gap: clamp(20px, 3vw, 40px);
  }
}

@media (min-width: 900px) {
  .page-home .records-body {
    grid-template-columns: 0.88fr 1.12fr;
    align-items: start;
  }

  .page-home .help-grid {
    grid-template-columns: 1.25fr 1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .phase-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, 1fr);
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-link {
    transition: none;
  }
}