/* ============================================================
   page-home —— 赛场首页
   ============================================================ */

.page-home {
  --home-pad: var(--gut);
  --home-track: 72px;
  display: block;
  background: var(--ink);
  color: var(--body);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-home .home-wrap {
  width: min(var(--shell), calc(100% - var(--home-pad) * 2));
  margin-inline: auto;
}

.page-home h2 {
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0 0 14px;
}

.page-home h3 {
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.2;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 10px;
}

.page-home .lead {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--body);
  margin: 0;
}

/* ---------------- 首屏 ---------------- */

.page-home .home-hero {
  position: relative;
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(48px, 7vw, 96px);
  background:
    radial-gradient(90% 72% at 94% 4%, rgba(182, 255, 59, .15), transparent 60%),
    radial-gradient(72% 62% at 4% 98%, rgba(255, 122, 26, .11), transparent 64%),
    var(--ink);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 52, 65, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 52, 65, .5) 1px, transparent 1px);
  background-size: var(--home-track) var(--home-track);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 82%);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: center;
}

.page-home .home-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 6px 14px 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(21, 28, 36, .7);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-home .home-hero__kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(182, 255, 59, .16);
  animation: home-pulse 2.6s var(--ease) infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.82); }
}

.page-home .home-hero__title {
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--white);
  margin: 0 0 20px;
}

.page-home .home-hero__hl {
  position: relative;
  color: var(--lime);
  white-space: nowrap;
}

.page-home .home-hero__hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .08em;
  height: .13em;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  opacity: .3;
}

.page-home .home-hero__lead {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--body);
  max-width: 56ch;
  margin: 0 0 28px;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 38px);
}

.page-home .home-hero__facts {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.page-home .home-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-home .home-hero__facts strong {
  font-size: clamp(17px, 3.2vw, 26px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-home .home-hero__facts span {
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}

/* 首屏视觉 */

.page-home .home-hero__visual {
  position: relative;
  isolation: isolate;
}

.page-home .home-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.82) contrast(1.08) brightness(.86);
}

.page-home .home-hero__trace {
  position: absolute;
  inset: 8% 6% 12% 6%;
  width: auto;
  height: auto;
  pointer-events: none;
}

.page-home .home-hero__trace-line {
  fill: none;
  stroke: url(#homeTraceGrad);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: home-draw 3.2s var(--ease) .3s forwards;
}

@keyframes home-draw {
  to { stroke-dashoffset: 0; }
}

.page-home .home-hero__trace-node {
  fill: var(--lime);
  opacity: 0;
  animation: home-node 1s var(--ease) 2.2s forwards;
}

@keyframes home-node {
  to { opacity: 1; }
}

.page-home .home-hero__chip {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  border: 1px solid rgba(182, 255, 59, .38);
  border-radius: var(--radius);
  background: rgba(11, 15, 20, .84);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .45);
  max-width: 62%;
}

.page-home .home-hero__chip--a {
  left: 12px;
  bottom: 14px;
}

.page-home .home-hero__chip--b {
  right: 12px;
  top: 16px;
  border-color: rgba(255, 122, 26, .45);
}

.page-home .home-hero__chip-k {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-home .home-hero__chip strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
}

.page-home .home-hero__chip--b strong {
  color: var(--orange);
}

.page-home .home-hero__chip-v {
  font-size: 11px;
  line-height: 1.4;
  color: var(--body);
}

/* ---------------- 数据带 ---------------- */

.page-home .home-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(115deg, rgba(255, 255, 255, .022) 0 2px, transparent 2px 14px),
    linear-gradient(90deg, rgba(182, 255, 59, .09), rgba(255, 122, 26, .07));
}

.page-home .home-band__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .home-band__cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
}

.page-home .home-band__cell:nth-child(odd) {
  padding-right: 16px;
  border-right: 1px solid var(--line);
}

.page-home .home-band__cell:nth-child(even) {
  padding-left: 16px;
}

.page-home .home-band__cell:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-home .home-band__num {
  font-size: clamp(24px, 4.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-home .home-band__num--orange {
  color: var(--orange);
}

.page-home .home-band__label {
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}

/* ---------------- 两处入口 ---------------- */

.page-home .home-doors {
  padding: clamp(52px, 8vw, 104px) 0 clamp(46px, 7vw, 88px);
}

.page-home .home-doors__head {
  max-width: 68ch;
  margin-bottom: clamp(28px, 4.4vw, 46px);
}

.page-home .home-doors__title {
  margin-bottom: 16px;
}

.page-home .home-doors__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .home-door {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(21, 28, 36, .96), rgba(11, 15, 20, .96));
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-home .home-door::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 46%;
  background: linear-gradient(180deg, var(--lime), transparent);
}

.page-home .home-door--offset::before {
  background: linear-gradient(180deg, var(--orange), transparent);
}

.page-home .home-door:hover,
.page-home .home-door:focus-within {
  border-color: rgba(182, 255, 59, .5);
  transform: translateY(-4px);
  box-shadow: 0 22px 46px rgba(0, 0, 0, .45);
}

.page-home .home-door--offset:hover,
.page-home .home-door--offset:focus-within {
  border-color: rgba(255, 122, 26, .55);
}

.page-home .home-door__idx {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-home .home-door--offset .home-door__idx {
  color: var(--orange);
}

.page-home .home-door__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body);
}

.page-home .home-door__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .home-door__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .home-door__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-home .home-door--offset .home-door__list li::before {
  background: var(--orange);
}

.page-home .home-door .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-home .home-doors__figure {
  position: relative;
  margin: clamp(24px, 4vw, 40px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-home .home-doors__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.8) contrast(1.05) brightness(.82);
}

.page-home .home-doors__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 18px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--white);
  background: linear-gradient(180deg, transparent, rgba(11, 15, 20, .92));
}

/* ---------------- 数据检索 ---------------- */

.page-home .home-tools {
  padding: clamp(46px, 7vw, 88px) 0;
  background:
    linear-gradient(180deg, rgba(21, 28, 36, .8), rgba(11, 15, 20, 0) 30%),
    var(--ink);
  border-top: 1px solid var(--line);
}

.page-home .home-tools__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
  align-items: center;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-home .home-tools__title {
  margin-bottom: 16px;
}

.page-home .home-tools__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-home .home-tools__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.85) brightness(.85);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-home .filter-btn {
  -webkit-appearance: none;
  appearance: none;
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-2);
  color: var(--body);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.page-home .filter-btn:hover {
  border-color: var(--lime);
  color: var(--white);
}

.page-home .filter-btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: #0B0F14;
}

.page-home .home-tools__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .home-tool {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(21, 28, 36, .96), rgba(11, 15, 20, .97));
  transition: border-color .28s var(--ease), transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-home .home-tool::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 15px 15px 0;
  border-color: transparent var(--line) transparent transparent;
  transition: border-color .28s var(--ease);
}

.page-home .home-tool:hover,
.page-home .home-tool:focus-within {
  border-color: rgba(182, 255, 59, .55);
  transform: translateY(-4px);
  box-shadow: 0 18px 38px rgba(0, 0, 0, .44);
}

.page-home .home-tool:hover::after,
.page-home .home-tool:focus-within::after {
  border-color: transparent var(--lime) transparent transparent;
}

.page-home .home-tool .tag {
  align-self: flex-start;
}

.page-home .home-tool__title {
  font-size: 18px;
  margin: 0;
}

.page-home .home-tool__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body);
}

.page-home .home-tool__meta {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--lime);
  border-top: 1px dashed var(--line);
  transition: max-height .36s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease), padding-top .3s var(--ease);
}

.page-home .home-tool:hover .home-tool__meta,
.page-home .home-tool:focus-within .home-tool__meta {
  max-height: 90px;
  margin-top: 4px;
  padding-top: 10px;
  opacity: 1;
}

.page-home .is-filtered-out {
  display: none;
}

/* ---------------- 反馈与版本 ---------------- */

.page-home .home-loop {
  padding: clamp(50px, 8vw, 96px) 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 60% at 10% 0%, rgba(255, 122, 26, .1), transparent 62%),
    var(--ink);
}

.page-home .home-loop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.4vw, 50px);
  align-items: start;
}

.page-home .home-loop__title {
  margin-bottom: 16px;
}

.page-home .home-loop__text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

.page-home .home-loop__points {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-loop__points li {
  padding: 14px 16px;
  border-left: 2px solid var(--orange);
  background: rgba(21, 28, 36, .72);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .home-loop__points strong {
  display: block;
  margin-bottom: 3px;
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
}

.page-home .home-loop__figure {
  margin: 0 0 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-home .home-loop__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.82) brightness(.84);
}

.page-home .home-log {
  list-style: none;
  margin: 0 0 0 6px;
  padding: 0;
  border-left: 2px solid var(--line);
}

.page-home .home-log__item {
  position: relative;
  padding: 0 0 20px 24px;
}

.page-home .home-log__item:last-child {
  padding-bottom: 0;
}

.page-home .home-log__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--line);
}

.page-home .home-log__item--now::before {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 5px rgba(182, 255, 59, .16);
}

.page-home .home-log__ver {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .home-log__item--now .home-log__ver {
  color: var(--lime);
}

.page-home .home-log__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--body);
}

/* ---------------- 品牌信任 ---------------- */

.page-home .home-trust {
  padding: 0 0 clamp(52px, 8vw, 96px);
}

.page-home .home-trust__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  padding: clamp(26px, 4.4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(182, 255, 59, .07), rgba(11, 15, 20, .96) 45%),
    var(--ink-2);
  position: relative;
  overflow: hidden;
}

.page-home .home-trust__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(182, 255, 59, .2);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-home .home-trust__title {
  margin-bottom: 16px;
}

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

.page-home .home-trust__badge {
  display: inline-block;
  margin: 0 0 22px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 122, 26, .45);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--orange);
  background: rgba(255, 122, 26, .08);
}

.page-home .home-trust__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .home-trust__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-self: start;
}

.page-home .home-trust__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 15, 20, .62);
}

.page-home .home-trust__stats span {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--lime);
}

.page-home .home-trust__stats em {
  font-style: normal;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}

/* ---------------- 响应式 ---------------- */

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

  .page-home .home-band__cell {
    padding: 26px 18px;
    border-bottom: 0;
  }

  .page-home .home-band__cell:nth-child(odd) {
    padding-right: 18px;
  }

  .page-home .home-band__cell:nth-child(even) {
    padding-left: 18px;
  }

  .page-home .home-band__cell + .home-band__cell {
    border-left: 1px solid var(--line);
  }

  .page-home .home-tools__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-doors__figure figcaption {
    padding: 56px 26px 18px;
    font-size: 14px;
  }

  .page-home .home-hero__chip {
    max-width: 48%;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(38px, 5vw, 72px);
  }

  .page-home .home-doors__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-home .home-door--offset {
    margin-top: 46px;
  }

  .page-home .home-tools__head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-home .home-loop__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-home .home-trust__panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-home .home-tools__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-trust__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (hover: none) {
  .page-home .home-tool__meta {
    max-height: none;
    margin-top: 4px;
    padding-top: 10px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__kicker-dot {
    animation: none;
  }

  .page-home .home-hero__trace-line {
    stroke-dashoffset: 0;
    animation: none;
  }

  .page-home .home-hero__trace-node {
    opacity: 1;
    animation: none;
  }

  .page-home .home-door,
  .page-home .home-tool {
    transition: none;
  }

  .page-home .home-door:hover,
  .page-home .home-door:focus-within,
  .page-home .home-tool:hover,
  .page-home .home-tool:focus-within {
    transform: none;
  }
}
<<<END>>>