/* ============================================
   竞博首页 · page-home
   ============================================ */

.page-home {
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  padding: clamp(36px, 7vw, 88px) 0 clamp(52px, 9vw, 116px);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 78% 10%, rgba(31, 107, 255, .22), transparent 62%),
    radial-gradient(90% 70% at 10% 90%, rgba(255, 61, 206, .10), transparent 60%),
    repeating-linear-gradient(180deg, rgba(233, 228, 216, .028) 0 1px, transparent 1px 5px);
}

.page-home .hero__inner {
  position: relative;
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  align-items: center;
}

@media (min-width: 920px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

.page-home .hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-home .hero__eyebrow .mono {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 12vw, 116px);
  line-height: .94;
  letter-spacing: .02em;
  color: var(--paper);
  text-shadow: 0 0 46px rgba(31, 107, 255, .3);
}

.page-home .hero__title::after {
  content: "";
  display: block;
  width: clamp(64px, 14vw, 168px);
  height: 3px;
  margin-top: clamp(18px, 3vw, 30px);
  background: linear-gradient(90deg, var(--cyan), var(--blue) 55%, var(--magenta));
}

.page-home .hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-home .hero__tags {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__panel {
  position: relative;
  overflow: hidden;
  min-height: clamp(220px, 42vw, 470px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
}

.page-home .hero__img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  opacity: .85;
  filter: saturate(1.1) contrast(1.08);
}

.page-home .hero__panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(5, 7, 12, .78) 0%, rgba(5, 7, 12, .12) 46%, rgba(5, 7, 12, .62) 100%),
    repeating-linear-gradient(180deg, rgba(53, 240, 208, .05) 0 1px, transparent 1px 6px);
}

.page-home .hero__scan {
  position: absolute;
  top: 0;
  left: -32%;
  width: 22%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transform: skewX(-12deg);
  background: linear-gradient(90deg, transparent, rgba(53, 240, 208, .38), transparent);
}

.page-home .hero__panel:hover .hero__scan {
  animation: home-scan .6s ease-out 1;
}

@keyframes home-scan {
  0%   { left: -32%; opacity: 0; }
  20%  { opacity: .95; }
  100% { left: 118%; opacity: 0; }
}

.page-home .hero__badge {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 10px 18px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ink-900);
  background: var(--cyan);
  clip-path: polygon(14px 0, 100% 0, 100% 100%, 0 100%);
}

/* ---------- 悬浮快捷指令 ---------- */

.page-home .dock {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 40;
  transform: translateX(-50%);
  display: flex;
  gap: 2px;
  width: min(560px, calc(100% - 24px));
  margin-bottom: 14px;
  padding: 6px;
  background: rgba(11, 17, 28, .94);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.page-home .dock__link {
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--paper-dim);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.page-home .dock__link:hover,
.page-home .dock__link:focus-visible {
  color: var(--paper);
  background: var(--blue-soft);
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-home .dock__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange);
}

/* ---------- 区块通用 ---------- */

.page-home .section {
  position: relative;
  padding: clamp(54px, 9vw, 102px) 0;
}

.page-home .section__head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 46px);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-home .section__head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }
}

.page-home .section__title .lede {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 主入口路径 ---------- */

.page-home .paths__rail {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 880px) {
  .page-home .paths__rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-home .path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: border-color var(--t), background var(--t), transform var(--t);
}

.page-home .path:hover,
.page-home .path:focus-within {
  background: var(--ink-700);
  border-color: var(--blue);
  transform: translateY(-3px);
}

.page-home .path .rail__node {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 240, 208, .14), 0 0 14px rgba(53, 240, 208, .6);
}

.page-home .path__loc {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-home .path .h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .path__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .path__media {
  margin: 4px 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ink-900);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-home .path__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .8;
}

.page-home .path__link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .35);
  transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.page-home .path__link:hover,
.page-home .path__link:focus-visible {
  color: var(--paper);
  border-color: var(--magenta);
  transform: translateX(3px);
}

/* ---------- 更新节奏 ---------- */

.page-home .cadence__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 920px) {
  .page-home .cadence__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: start;
  }
}

.page-home .timeline {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-home .timeline__item {
  position: relative;
  padding: 0;
}

.page-home .timeline__item + .timeline__item {
  margin-top: 24px;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 3px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(5, 7, 12, .92);
}

.page-home .timeline__time {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .timeline__item .h4 {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .timeline__item p {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-home .cadence__media .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .cadence__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .82;
}

.page-home .cadence__media .media-frame__caption {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 数字看板 ---------- */

.page-home .metrics__board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-home .metrics__board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .metrics__board .stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 32px) clamp(16px, 2.4vw, 26px);
  background: var(--ink-900);
}

.page-home .metrics__board .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-home .metrics__board .stat__plus {
  margin-left: .08em;
  font-size: .55em;
  color: var(--blue);
}

.page-home .metrics__board .stat__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 三步到达 ---------- */

.page-home .steps__list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 880px) {
  .page-home .steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .step {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 30px);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900) 78%);
  border-top: 2px solid var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .step:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-home .step:nth-child(3) {
  border-top-color: var(--magenta);
}

.page-home .step__num {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-home .step .h4 {
  margin: 0;
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .step > p:not(.step__out) {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .step > p.step__out {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  border-top: 1px dashed var(--line);
}

/* ---------- 收口与联络 ---------- */

.page-home .closing {
  padding: clamp(48px, 8vw, 92px) 0 clamp(96px, 13vw, 140px);
}

.page-home .closing__panel {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .closing__img {
  display: block;
  width: 100%;
  height: clamp(120px, 22vw, 220px);
  object-fit: cover;
  opacity: .55;
}

.page-home .closing__body {
  padding: clamp(24px, 4vw, 46px);
  border-top: 1px solid var(--line);
}

.page-home .closing__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .closing__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .closing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .closing__meta {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 560px) {
  .page-home .dock {
    width: calc(100% - 16px);
    margin-bottom: 8px;
    padding: 5px;
  }

  .page-home .dock__link {
    gap: 5px;
    padding: 10px 4px;
    font-size: 12px;
  }

  .page-home .dock__key {
    display: none;
  }

  .page-home .hero__title {
    font-size: clamp(40px, 13vw, 62px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__panel:hover .hero__scan {
    animation: none;
    opacity: 0;
  }

  .page-home .path:hover,
  .page-home .path:focus-within,
  .page-home .dock__link:hover,
  .page-home .dock__link:focus-visible {
    transform: none;
  }
}