/* ===== 首页 page-home：目录型内容地图 ===== */

.page-home {
  display: block;
}

/* --- 页面上下文提示 --- */
.page-home .home-context {
  margin: 0;
  padding: var(--sp-3) 0 0;
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--muted);
}

/* --- 首屏 --- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.8rem, 5vw, 4rem) 0 clamp(1.6rem, 4vw, 3rem);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -32% -14% -24% -14%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(42% 52% at 10% 8%, rgba(123, 97, 255, .30), transparent 70%),
    radial-gradient(38% 46% at 92% 0%, rgba(53, 230, 216, .20), transparent 72%),
    radial-gradient(62% 42% at 46% 106%, rgba(123, 97, 255, .16), transparent 72%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-5);
}

.page-home .hero__lead {
  min-width: 0;
}

.page-home .hero__title {
  margin: var(--sp-3) 0 var(--sp-4);
  font-size: clamp(2.3rem, 8.4vw, 5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 700;
  color: var(--text);
}

.page-home .hero__title span {
  display: inline-block;
  margin-top: .14em;
  padding: .06em .34em .14em .3em;
  background: linear-gradient(104deg, var(--violet), var(--cyan) 92%);
  color: var(--bg);
  clip-path: polygon(.44em 0, 100% 0, calc(100% - .44em) 100%, 0 100%);
}

.page-home .hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(.96rem, 2.4vw, 1.05rem);
  line-height: 1.9;
  color: var(--muted);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

/* 首屏两枚指标 */
.page-home .hero__metrics {
  display: grid;
  gap: var(--sp-3);
  min-width: 0;
}

.page-home .hero__metric {
  position: relative;
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(20, 26, 63, .78);
  box-shadow: var(--shadow-soft);
}

.page-home .hero__metric--delay {
  border-color: rgba(53, 230, 216, .34);
  box-shadow: var(--glow-cyan);
}

.page-home .hero__metric--rebate {
  border-color: rgba(242, 177, 60, .32);
}

.page-home .hero__metric-label {
  margin: 0;
  font-size: .8rem;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-home .hero__metric-value {
  display: flex;
  align-items: baseline;
  gap: .16em;
  margin: var(--sp-2) 0 var(--sp-2);
  font-family: var(--mono);
  line-height: 1;
}

.page-home .hero__metric-num {
  font-size: clamp(2.7rem, 9vw, 3.6rem);
  font-weight: 500;
  color: var(--cyan);
}

.page-home .hero__metric--rebate .hero__metric-num {
  color: var(--amber);
}

.page-home .hero__metric-unit {
  font-size: 1rem;
  color: var(--muted);
}

.page-home .hero__metric-sub {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .hero__acc {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
}

.page-home .hero__acc .accordion__summary {
  cursor: pointer;
  font-size: .84rem;
  letter-spacing: .03em;
  color: var(--cyan);
}

.page-home .hero__layers {
  list-style: none;
  display: grid;
  gap: .5rem;
  margin: var(--sp-3) 0 0;
  padding: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .hero__layer-k {
  display: inline-block;
  min-width: 3.4em;
  font-family: var(--mono);
  color: var(--violet);
}

/* 首屏波形图 */
.page-home .hero__wave {
  position: absolute;
  right: -6%;
  bottom: -20%;
  z-index: 0;
  width: min(58%, 680px);
  height: auto;
  max-width: none;
  opacity: .42;
  pointer-events: none;
  border-radius: var(--r-lg);
  object-fit: cover;
}

/* --- 目录索引区 --- */
.page-home .map {
  padding: var(--sp-5) 0 var(--sp-6);
}

.page-home .map__lede {
  max-width: 40em;
  margin: var(--sp-2) 0 0;
  font-size: clamp(.94rem, 2.3vw, 1.02rem);
  line-height: 1.9;
  color: var(--muted);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: var(--sp-4) 0 var(--sp-2);
}

.page-home .filter-status {
  margin: 0 0 var(--sp-3);
  font-size: .84rem;
  color: var(--muted);
  min-height: 1.4em;
}

.page-home .map__list {
  list-style: none;
  display: grid;
  gap: var(--sp-3);
  margin: var(--sp-4) 0 0;
  padding: 0;
}

.page-home .map__item {
  position: relative;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .3s ease, transform .3s ease;
}

.page-home .map__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--sp-4);
  bottom: var(--sp-4);
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: .5;
  transition: opacity .3s ease;
}

.page-home .map__item:hover,
.page-home .map__item:focus-within {
  border-color: rgba(53, 230, 216, .42);
  transform: translateY(-2px);
}

.page-home .map__item:hover::before,
.page-home .map__item:focus-within::before {
  opacity: 1;
}

.page-home .map__idx {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-home .map__title {
  margin: var(--sp-2) 0 var(--sp-2);
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .map__title a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

.page-home .map__title a:hover,
.page-home .map__title a:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(53, 230, 216, .5);
}

.page-home .map__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .map__figure {
  margin: var(--sp-5) 0 0;
  padding: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-home .map__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .map__caption {
  padding: var(--sp-3) var(--sp-4);
  font-size: .84rem;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* --- 横向主题带 --- */
.page-home .band {
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--line);
}

.page-home .band__side {
  min-width: 0;
}

.page-home .band__main {
  min-width: 0;
}

.page-home .band__main > p {
  max-width: 40em;
  margin: 0 0 var(--sp-4);
  font-size: clamp(.94rem, 2.3vw, 1.02rem);
  line-height: 1.9;
  color: var(--text);
}

.page-home .spec-num {
  font-family: var(--mono);
  font-size: 1.28em;
  color: var(--cyan);
}

.page-home .band__more {
  margin: var(--sp-4) 0 0;
  font-size: .88rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-home .band__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 216, .34);
  transition: border-color .25s ease;
}

.page-home .band__more a:hover,
.page-home .band__more a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 返水档位色阶条 */
.page-home .scale {
  list-style: none;
  display: flex;
  align-items: flex-end;
  gap: 6px;
  margin: 0 0 var(--sp-2);
  padding: 0;
}

.page-home .scale__item {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: .35rem;
  padding: var(--sp-2) .2rem;
  border-radius: var(--r-sm) var(--r-sm) 4px 4px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .78rem;
}

.page-home .scale__item:nth-child(1) {
  min-height: 76px;
  border-color: rgba(242, 177, 60, .5);
  background: rgba(242, 177, 60, .14);
}

.page-home .scale__item:nth-child(2) {
  min-height: 96px;
  border-color: rgba(245, 154, 63, .5);
  background: rgba(245, 154, 63, .14);
}

.page-home .scale__item:nth-child(3) {
  min-height: 116px;
  border-color: rgba(249, 134, 73, .5);
  background: rgba(249, 134, 73, .14);
}

.page-home .scale__item:nth-child(4) {
  min-height: 136px;
  border-color: rgba(252, 120, 84, .5);
  background: rgba(252, 120, 84, .14);
}

.page-home .scale__item:nth-child(5) {
  min-height: 156px;
  border-color: rgba(255, 107, 90, .55);
  background: rgba(255, 107, 90, .16);
}

.page-home .scale__code {
  color: var(--muted);
  letter-spacing: .1em;
}

.page-home .scale__rate {
  font-size: 1.06rem;
}

.page-home .scale__item:nth-child(1) .scale__rate { color: #F2B13C; }
.page-home .scale__item:nth-child(2) .scale__rate { color: #F59A3F; }
.page-home .scale__item:nth-child(3) .scale__rate { color: #F98649; }
.page-home .scale__item:nth-child(4) .scale__rate { color: #FC7854; }
.page-home .scale__item:nth-child(5) .scale__rate { color: #FF6B5A; }

/* 两套编排 */
.page-home .band__roundel {
  display: block;
  width: min(100%, 260px);
  height: auto;
  margin: var(--sp-4) 0 0;
  border-radius: 50%;
  opacity: .78;
}

.page-home .split {
  display: grid;
  gap: var(--sp-3);
  margin: 0 0 var(--sp-2);
}

.page-home .split__card {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(20, 26, 63, .62);
}

.page-home .split__title {
  margin: 0 0 var(--sp-2);
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--muted);
  font-weight: 500;
}

.page-home .split__value {
  display: flex;
  align-items: baseline;
  gap: .3em;
  margin: 0 0 var(--sp-2);
  font-size: .94rem;
  color: var(--text);
}

.page-home .split__num {
  font-family: var(--mono);
  font-size: clamp(1.9rem, 7vw, 2.4rem);
  line-height: 1;
}

.page-home .split__num--cyan {
  color: var(--cyan);
}

.page-home .split__num--mint {
  color: var(--mint);
}

.page-home .split__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
}

/* --- 更新节奏条 --- */
.page-home .rhythm {
  padding: var(--sp-5) 0 var(--sp-6);
  border-top: 1px solid var(--line);
}

.page-home .rhythm__lede {
  max-width: 38em;
  margin: var(--sp-2) 0 0;
  font-size: .94rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-home .rhythm__list {
  list-style: none;
  display: grid;
  gap: var(--sp-3);
  margin: var(--sp-4) 0 0;
  padding: 0;
}

.page-home .rhythm__item {
  display: grid;
  gap: .4rem;
  padding: var(--sp-4) var(--sp-3);
  border-top: 2px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 26, 63, .55), transparent 78%);
}

.page-home .rhythm__item:nth-child(1) { border-top-color: var(--cyan); }
.page-home .rhythm__item:nth-child(2) { border-top-color: var(--violet); }
.page-home .rhythm__item:nth-child(3) { border-top-color: var(--amber); }
.page-home .rhythm__item:nth-child(4) { border-top-color: var(--mint); }

.page-home .rhythm__label {
  margin: 0;
  font-family: var(--mono);
  font-size: .88rem;
  letter-spacing: .06em;
  color: var(--text);
}

.page-home .rhythm__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
}

/* --- 响应式 --- */
@media (min-width: 700px) {
  .page-home .map__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-home .band {
    grid-template-columns: minmax(220px, .34fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-home .band__roundel {
    width: min(100%, 300px);
    margin-top: var(--sp-5);
  }

  .page-home .rhythm__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, .72fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: end;
  }
}

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

@media (max-width: 899px) {
  .page-home .hero__wave {
    position: static;
    display: block;
    width: calc(100% - 2 * var(--gutter));
    max-width: 520px;
    margin: var(--sp-5) auto 0;
    opacity: .55;
    border-radius: var(--r-md);
  }
}

@media (max-width: 520px) {
  .page-home .scale {
    gap: 4px;
  }

  .page-home .scale__item {
    padding: var(--sp-1) .1rem;
    font-size: .68rem;
  }

  .page-home .scale__rate {
    font-size: .88rem;
  }

  .page-home .scale__item:nth-child(1) { min-height: 64px; }
  .page-home .scale__item:nth-child(2) { min-height: 78px; }
  .page-home .scale__item:nth-child(3) { min-height: 92px; }
  .page-home .scale__item:nth-child(4) { min-height: 106px; }
  .page-home .scale__item:nth-child(5) { min-height: 120px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .map__item,
  .page-home .map__item::before,
  .page-home .map__title a,
  .page-home .band__more a {
    transition: none;
  }

  .page-home .map__item:hover,
  .page-home .map__item:focus-within {
    transform: none;
  }
}