/* ================= 首页 · page-home ================= */
.page-home {
  background: var(--void);
  color: var(--ice);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-home .crumb {
  padding-top: clamp(14px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-home .crumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
}

/* ---------- 通用章节头 ---------- */
.page-home .section-head {
  margin-bottom: clamp(18px, 2.8vw, 30px);
}
.page-home .section-head__num {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}
.page-home .section-head__num::after {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--grid);
}
.page-home .section-head__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.16;
  letter-spacing: .06em;
  color: var(--paper);
}
.page-home .section-head__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ================= 封面区 ================= */
.page-home .hero {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 34px);
}
.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--grid) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .5;
  pointer-events: none;
}
.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 36px);
  padding-top: clamp(14px, 3vw, 28px);
}

/* 左侧窄栏 */
.page-home .hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-home .hero__index {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-home .hero__index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-left: 2px solid var(--grid);
  color: var(--ice);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease);
}
.page-home .hero__index a:hover,
.page-home .hero__index a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(39, 224, 208, .07);
  color: var(--paper);
}
.page-home .hero__index .mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}
.page-home .hero__index a:hover .mono {
  color: var(--cyan);
}
.page-home .hero__rail-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.page-home .hero__rail-note .pulse-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--magenta);
  animation: home-pulse 2.6s ease-out infinite;
}
.page-home .hero__rail-link {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(39, 224, 208, .5);
  padding-bottom: 2px;
}
.page-home .hero__rail-link:hover,
.page-home .hero__rail-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 主标题区 */
.page-home .hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 82px);
  line-height: 1.04;
  letter-spacing: .06em;
  color: var(--paper);
}
.page-home .hero__title span {
  display: block;
}
.page-home .hero__title-em {
  color: var(--cyan);
}
.page-home .hero__lead {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ice);
}
.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

/* 主视觉 */
.page-home .hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink);
}
.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-home .hero__trace {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.page-home .hero__trace .trace-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
  opacity: .45;
  stroke-dasharray: 7 11;
  animation: home-flow 5s linear infinite;
}
.page-home .hero__trace .trace-node {
  fill: var(--orange);
}
.page-home .hero__trace .trace-core {
  fill: var(--cyan);
}
.page-home .hero__trace .trace-ring {
  fill: none;
  stroke: var(--magenta);
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
  animation: home-ping 4.8s var(--ease) infinite;
}
.page-home .hero__cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--grid);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--mist);
}

/* 封面底部状态条 */
.page-home .hero__status {
  list-style: none;
  margin: clamp(24px, 4vw, 44px) 0 0;
  padding: clamp(14px, 2vw, 18px) 0 0;
  border-top: 1px solid var(--grid);
  display: grid;
  gap: 12px;
}
.page-home .hero__status li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}
.page-home .hero__status-k {
  flex: none;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 60, .4);
  padding: 2px 6px;
}

/* ================= 节奏条 ================= */
.page-home .pace {
  position: relative;
  background: var(--ink);
  padding: clamp(46px, 7.5vw, 84px) 0 clamp(40px, 6vw, 72px);
}
.page-home .pace__head {
  margin-bottom: clamp(20px, 3vw, 30px);
}
.page-home .pace__banner {
  margin: 0 0 clamp(20px, 3.2vw, 32px);
}
.page-home .pace__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  border: 1px solid var(--grid);
}
.page-home .pace__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}
.page-home .pace__item {
  position: relative;
  overflow: hidden;
  background: var(--void);
  padding: clamp(18px, 2.6vw, 26px);
  transition: background-color .24s var(--ease);
}
.page-home .pace__item:hover,
.page-home .pace__item:focus-within {
  background: #0A111E;
}
.page-home .pace__num {
  display: block;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-home .pace__unit {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-home .pace__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ice);
  opacity: .84;
}
.page-home .pace__hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px clamp(18px, 2.6vw, 26px) 14px;
  background: linear-gradient(to top, var(--ink) 72%, rgba(14, 22, 38, 0));
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan);
  transform: translateY(101%);
  transition: transform .28s var(--ease);
}
.page-home .pace__item:hover .pace__hint,
.page-home .pace__item:focus-within .pace__hint {
  transform: translateY(0);
}

/* ================= 跨设备衔接 ================= */
.page-home .flow {
  position: relative;
  padding: clamp(46px, 7.5vw, 84px) 0;
  background: var(--void);
}
.page-home .flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 34px);
  align-items: start;
}
.page-home .flow__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  position: relative;
  border-bottom: 1px solid var(--grid);
  margin-bottom: clamp(16px, 2.4vw, 22px);
}
.page-home .flow__tabs .tabs__tab {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--mist);
  cursor: pointer;
  transition: color .22s var(--ease);
}
.page-home .flow__tabs .tabs__tab:hover {
  color: var(--ice);
}
.page-home .flow__tabs .tabs__tab[aria-selected="true"] {
  color: var(--paper);
}
.page-home .flow__tabs .tabs__ink {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--cyan);
}
.page-home .flow__steps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}
.page-home .flow__steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--ink);
  border: 1px solid var(--grid);
  border-left: 2px solid var(--orange);
  font-size: 15px;
  color: var(--paper);
}
.page-home .flow__steps .mono {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-home .flow__text {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-home .flow__figure {
  margin: 0;
}
.page-home .flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--grid);
}
.page-home .flow__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ================= 本周资源（纸面） ================= */
.page-home .weekly {
  padding: clamp(20px, 3vw, 40px) 0 clamp(46px, 7.5vw, 84px);
  background: var(--void);
}
.page-home .weekly__panel {
  position: relative;
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--paper-line);
  padding: clamp(22px, 3.6vw, 48px);
}
.page-home .weekly__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .4;
  pointer-events: none;
}
.page-home .weekly__panel > * {
  position: relative;
}
.page-home .weekly__head .section-head__num {
  color: var(--cyan-deep);
}
.page-home .weekly__head .section-head__num::after {
  background: var(--paper-line);
}
.page-home .weekly__head .section-head__title {
  color: var(--ink-text);
}
.page-home .weekly__head .section-head__lead {
  color: var(--ink-muted);
}
.page-home .weekly__list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}
.page-home .weekly__list li {
  background: var(--paper);
  padding: clamp(16px, 2.2vw, 24px);
}
.page-home .weekly__idx {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan-deep);
}
.page-home .weekly__name {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-text);
}
.page-home .weekly__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-muted);
}
.page-home .weekly__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding-top: clamp(16px, 2.2vw, 24px);
  border-top: 1px solid var(--paper-line);
}
.page-home .weekly__note p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
}

/* ================= 回访案例速览 ================= */
.page-home .cases {
  background: var(--ink);
  padding: clamp(46px, 7.5vw, 84px) 0;
}
.page-home .cases__scroller {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding-bottom: 16px;
  padding-inline: max(var(--gutter), calc((100vw - var(--wrap)) / 2));
}
.page-home .cases__scroller:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-home .cases__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: clamp(14px, 2vw, 20px);
}
.page-home .cases__track > li {
  flex: 0 0 min(78vw, 320px);
  scroll-snap-align: start;
}
.page-home .case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 250px;
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--paper-line);
}
.page-home .case-card__media {
  border-bottom: 1px solid var(--paper-line);
}
.page-home .case-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-home .case-card__tag {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 8px;
  background: rgba(7, 11, 20, .84);
  color: var(--ice);
  border: 1px solid rgba(207, 231, 245, .3);
}
.page-home .case-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  flex: 1;
}
.page-home .case-card__num {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan-deep);
}
.page-home .case-card__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-text);
}
.page-home .case-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-muted);
}

/* ================= 下一步入口 ================= */
.page-home .next {
  background: var(--void);
  padding: clamp(46px, 7.5vw, 84px) 0 clamp(52px, 8vw, 90px);
}
.page-home .next__grid {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}
.page-home .next__item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink);
  border: 1px solid var(--grid);
  border-top: 2px solid var(--cyan);
  transition: transform .26s var(--ease), border-top-color .26s var(--ease);
}
.page-home .next__item:hover {
  transform: translateY(-3px);
  border-top-color: var(--orange);
}
.page-home .next__num {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
}
.page-home .next__title {
  margin: 10px 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-home .next__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
  flex: 1;
}
.page-home .next__link {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 224, 208, .4);
  padding-bottom: 2px;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.page-home .next__link:hover,
.page-home .next__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}
.page-home .next__foot {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ================= 动效 ================= */
@keyframes home-flow {
  to { stroke-dashoffset: -72; }
}
@keyframes home-ping {
  0%, 100% { transform: scale(.82); opacity: .2; }
  50% { transform: scale(1.3); opacity: .85; }
}
@keyframes home-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 61, 139, .55); }
  70% { box-shadow: 0 0 0 10px rgba(255, 61, 139, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 61, 139, 0); }
}

/* ================= 响应式 ================= */
@media (min-width: 640px) {
  .page-home .pace__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .weekly__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .hero__status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(200px, 24%) minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 56px);
    row-gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }
  .page-home .hero__rail {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
  .page-home .hero__status {
    grid-column: 1 / -1;
  }
  .page-home .flow__grid {
    grid-template-columns: 7fr 5fr;
    column-gap: clamp(28px, 4vw, 48px);
  }
  .page-home .cases__track > li {
    flex: 0 0 320px;
  }
  .page-home .next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .pace__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__trace .trace-line,
  .page-home .hero__trace .trace-ring,
  .page-home .hero__rail-note .pulse-dot {
    animation: none;
  }
  .page-home .pace__item,
  .page-home .next__item,
  .page-home .pace__hint {
    transition: none;
  }
  .page-home .next__item:hover {
    transform: none;
  }
}