.page-home {
  --home-cut: 18px;
  --home-cut-sm: 10px;
  display: block;
  background: var(--void);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.5rem, .9rem + 3vw, 3.25rem) clamp(2.75rem, 1.6rem + 5vw, 5.5rem);
  border-bottom: 1px solid var(--line);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(640px 420px at 88% 6%, rgba(255, 107, 44, .20), transparent 70%),
    radial-gradient(560px 380px at 4% 94%, rgba(45, 226, 230, .16), transparent 70%);
}

.page-home .hero__atmos {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .25) 72%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .25) 72%, transparent 100%);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 1rem + 3vw, 3.25rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .hero__main {
  position: relative;
  padding: clamp(1.15rem, .8rem + 2.2vw, 2.75rem);
  background: linear-gradient(155deg, rgba(26, 42, 58, .82), rgba(10, 15, 30, .88) 64%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
}

.page-home .hero__main::before {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: .7;
  pointer-events: none;
}

.page-home .hero__main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(45, 226, 230, .10) 47%, rgba(255, 107, 44, .14) 53%, transparent 100%);
  background-size: 100% 220px;
  background-repeat: no-repeat;
  background-position: 0 -220px;
  animation: home-scan 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes home-scan {
  0%, 100% { background-position: 0 -220px; }
  50% { background-position: 0 120%; }
}

.page-home .hero .breadcrumb {
  margin-bottom: 1rem;
}

.page-home .hero__main .h1 {
  margin: .5rem 0 0;
}

.page-home .hero__main .lede {
  max-width: 46ch;
  margin-top: 1rem;
}

/* 短词查找器 */
.page-home .hero__main .word-finder {
  margin-top: clamp(1.4rem, 1rem + 1.6vw, 2.25rem);
}

.page-home .finder-field {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-home .finder-input {
  flex: 1 1 12rem;
  min-width: 0;
  padding: .82rem 1rem;
  background: rgba(7, 11, 22, .82);
  color: var(--white);
  font-size: var(--step-0);
  border: 1px solid var(--line-strong);
  outline: none;
  clip-path: polygon(
    var(--home-cut-sm) 0,
    100% 0,
    100% calc(100% - var(--home-cut-sm)),
    calc(100% - var(--home-cut-sm)) 100%,
    0 100%,
    0 var(--home-cut-sm)
  );
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .finder-input::placeholder {
  color: var(--text-mute);
}

.page-home .finder-input:focus {
  border-color: var(--cyan);
  background: rgba(45, 226, 230, .08);
}

.page-home .finder-hint {
  margin: .75rem 0 0;
  font-size: var(--step--1);
  color: var(--text-mute);
}

.page-home .finder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .85rem;
}

.page-home .finder-tag {
  padding: .34rem .8rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--cyan);
  background: rgba(45, 226, 230, .08);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .finder-tag:hover,
.page-home .finder-tag:focus-visible {
  background: rgba(45, 226, 230, .22);
  color: var(--white);
}

/* 首屏右侧 */
.page-home .hero__aside {
  display: grid;
  gap: clamp(1rem, .6rem + 1.6vw, 1.6rem);
  align-content: start;
}

.page-home .hero__orb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  background: linear-gradient(140deg, rgba(45, 226, 230, .16), rgba(255, 107, 44, .14));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-home .hero__orb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .88;
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-home .hero__stat {
  padding: .85rem 1rem;
  background: var(--void-deep);
}

.page-home .hero__stat dt {
  font-size: var(--step--1);
  letter-spacing: .06em;
  color: var(--text-mute);
}

.page-home .hero__stat dd {
  margin: .3rem 0 0;
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--white);
}

/* ---------- 规则栏目 ---------- */
.page-home .rules {
  position: relative;
  padding-block: clamp(2.75rem, 1.8rem + 5vw, 6.5rem);
  border-bottom: 1px solid var(--line);
}

.page-home .rules__grid {
  display: grid;
  gap: clamp(1.75rem, 1rem + 3vw, 3.5rem);
  grid-template-columns: minmax(0, 1fr);
}

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

.page-home .rules__figure img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-home .rules__cap {
  margin-top: .7rem;
  text-align: right;
  font-size: var(--step--1);
  letter-spacing: .16em;
  color: var(--text-mute);
}

.page-home .rules__lede {
  margin-top: .85rem;
  color: var(--text-dim);
}

.page-home .rules__list {
  list-style: none;
  margin: clamp(1.4rem, 1rem + 1.6vw, 2.25rem) 0 0;
  padding: 0;
}

.page-home .rules__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.1rem 0 1.15rem .75rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .rules__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .rules__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--neon), var(--cyan));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .34s var(--ease);
  pointer-events: none;
}

.page-home .rules__item:hover::before,
.page-home .rules__item:focus-within::before {
  transform: scaleY(1);
}

.page-home .rules__idx {
  padding-top: .2rem;
  font-size: var(--step--1);
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-home .rules__text .h3 {
  margin: 0;
  font-size: var(--step-1);
}

.page-home .rules__text p {
  margin: .4rem 0 0;
  font-size: var(--step-0);
  color: var(--text-dim);
}

.page-home .rules__deadline {
  display: inline-block;
  margin-top: .7rem;
  padding: .18rem .6rem;
  font-size: var(--step--1);
  color: var(--neon);
  background: rgba(255, 107, 44, .08);
  border: 1px solid rgba(255, 107, 44, .36);
  opacity: .6;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .rules__item:hover .rules__deadline,
.page-home .rules__item:focus-within .rules__deadline {
  opacity: 1;
  background: rgba(255, 107, 44, .18);
}

.page-home .rules__body .btn {
  margin-top: clamp(1.4rem, 1rem + 1.6vw, 2rem);
}

/* ---------- 公告批次 ---------- */
.page-home .batch {
  position: relative;
  padding-block: clamp(2.75rem, 1.8rem + 5vw, 6.5rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(700px 380px at 86% 0%, rgba(255, 107, 44, .13), transparent 70%),
    var(--void-deep);
}

.page-home .batch__grid {
  display: grid;
  gap: clamp(1.75rem, 1rem + 3vw, 3.5rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .batch__txt {
  margin-top: .85rem;
  color: var(--text-dim);
}

.page-home .batch__stamp {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  margin: clamp(1rem, .8rem + 1vw, 1.5rem) 0 clamp(1.25rem, 1rem + 1.4vw, 1.9rem);
}

.page-home .batch__num {
  font-size: clamp(3rem, 1.8rem + 8vw, 6.5rem);
  line-height: .86;
  letter-spacing: -.03em;
  color: var(--neon);
}

.page-home .batch__unit {
  font-size: var(--step--1);
  letter-spacing: .28em;
  color: var(--text-mute);
}

.page-home .batch__stack {
  display: grid;
  gap: .65rem;
  align-content: start;
}

.page-home .batch__stack .disclosure {
  background: linear-gradient(150deg, rgba(26, 42, 58, .82), rgba(17, 24, 39, .9));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: box-shadow var(--dur) var(--ease);
}

.page-home .batch__stack .disclosure:hover {
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-home .batch__stack .disclosure-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.15rem;
  font: inherit;
  color: var(--text);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
}

.page-home .disclosure-title {
  font-size: var(--step-0);
  font-weight: 600;
}

.page-home .batch__stack .disclosure-panel-inner {
  padding: 0 1.15rem 1.15rem 3.1rem;
  color: var(--text-dim);
  font-size: var(--step-0);
}

/* ---------- 短词定位演示 ---------- */
.page-home .finder-demo {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2.75rem, 1.8rem + 5vw, 6.5rem);
  border-bottom: 1px solid var(--line);
}

.page-home .finder-demo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
}

.page-home .finder-demo__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 26%, #000 74%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 26%, #000 74%, transparent);
}

.page-home .finder-demo > .shell {
  position: relative;
  z-index: 1;
}

.page-home .finder-demo__lede {
  max-width: 62ch;
  margin-top: .85rem;
  color: var(--text-dim);
}

.page-home .finder-demo .filter-bar {
  margin-top: clamp(1.3rem, 1rem + 1.4vw, 2rem);
}

.page-home .finder-demo__grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.25rem, 1rem + 1.6vw, 2.25rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .finder-demo__card {
  position: relative;
  padding: 1.2rem 1.2rem 1.35rem;
  background: linear-gradient(158deg, rgba(26, 42, 58, .74), rgba(10, 15, 30, .86));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .finder-demo__card:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-home .finder-demo__card[hidden] {
  display: none;
}

.page-home .finder-demo__term {
  display: inline-block;
  margin: 0 0 .8rem;
  padding: .22rem .62rem .22rem .7rem;
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(45, 226, 230, .08);
  border-left: 3px solid var(--cyan);
}

.page-home .finder-demo__card .h3 {
  margin: 0;
  font-size: var(--step-0);
}

.page-home .finder-demo__card p:last-child {
  margin: .5rem 0 0;
  font-size: var(--step-0);
  color: var(--text-dim);
}

/* ---------- 联系路径 ---------- */
.page-home .connect {
  padding-block: clamp(2.75rem, 1.8rem + 4.5vw, 6rem);
}

.page-home .connect__grid {
  display: grid;
  gap: clamp(1.75rem, 1rem + 3vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .connect__body > p:not(.eyebrow) {
  margin-top: .85rem;
  color: var(--text-dim);
}

.page-home .connect__points {
  list-style: none;
  margin: clamp(1.2rem, 1rem + 1.4vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-home .connect__points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .75rem;
  align-items: start;
  font-size: var(--step-0);
  color: var(--text-dim);
}

.page-home .connect__points li::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-top: .5rem;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-home .connect__card {
  padding: clamp(1.2rem, 1rem + 1.5vw, 2rem);
}

.page-home .connect__card .h3 {
  margin: 0;
  font-size: var(--step-1);
}

.page-home .connect__card .contact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .95rem;
}

.page-home .connect__card .contact-row {
  display: grid;
  gap: .25rem;
}

.page-home .connect__card .contact-label {
  font-size: var(--step--1);
  letter-spacing: .16em;
  opacity: .62;
}

.page-home .connect__card .contact-value {
  font-size: var(--step-0);
  word-break: break-word;
}

.page-home .connect__card .contact-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}

.page-home .connect__card .copy-btn {
  padding: .2rem .6rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: inherit;
  background: rgba(26, 23, 18, .07);
  border: 1px solid rgba(26, 23, 18, .28);
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-home .connect__card .copy-btn:hover {
  background: rgba(26, 23, 18, .16);
}

.page-home .connect__meta {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(26, 23, 18, .18);
  display: grid;
  gap: .3rem;
  font-size: var(--step--1);
}

.page-home .connect__meta .mono {
  letter-spacing: .1em;
  opacity: .8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .finder-demo__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .rules__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-home .rules__figure {
    margin-top: 3rem;
  }

  .page-home .batch__grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-home .connect__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: center;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__main::after {
    animation: none;
    background-position: 0 -220px;
  }

  .page-home .finder-demo__card:hover {
    transform: none;
  }
}