/* ===== 首页专用样式 ===== */
.page-home {
  --home-frame-line: rgba(111, 124, 140, 0.34);
  display: block;
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero-frame {
  position: relative;
  margin: clamp(18px, 3vw, 36px) 0 clamp(34px, 5vw, 62px);
  border: 2px solid transparent;
  border-image: var(--grad-band) 1;
  background-color: var(--c-graphite-2);
  background-image: var(--grad-soft);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  isolation: isolate;
}

.page-home .hero-frame__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: repeating-linear-gradient(
    118deg,
    rgba(242, 243, 245, 0.045) 0 1px,
    transparent 1px 10px
  );
  pointer-events: none;
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border-top: 2px solid var(--c-yellow);
  border-right: 2px solid var(--c-yellow);
  pointer-events: none;
  z-index: 3;
}

.page-home .hero-frame__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(24px, 4.2vw, 52px);
}

.page-home .hero-frame__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-slate);
}

.page-home .hero-frame__ver {
  padding: 3px 9px;
  background: var(--c-yellow);
  color: var(--c-ink);
  font-weight: 600;
}

.page-home .hero-frame__sep {
  display: inline-block;
  width: 22px;
  height: 2px;
  background-image: var(--grad-band);
}

.page-home .hero-frame h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.2vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-mist);
  max-width: 20em;
}

.page-home .hero-frame .eyebrow {
  color: var(--c-yellow);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  margin: 0;
}

.page-home .hero-frame .lead {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 48em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(242, 243, 245, 0.78);
}

.page-home .hero-frame__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 3.2vw, 36px);
}

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

.page-home .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--c-graphite);
}

.page-home .hero-stat__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(242, 243, 245, 0.58);
}

.page-home .hero-stat__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--c-yellow);
}

.page-home .hero-stat__unit {
  font-size: 12px;
  font-weight: 500;
  color: var(--c-slate);
}

.page-home .hero-frame__figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--line-strong);
  background-color: var(--c-ink);
  overflow: hidden;
  align-self: stretch;
}

.page-home .hero-frame__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.06);
}

.page-home .hero-frame__figure figcaption {
  padding: 11px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-slate);
  border-top: 1px solid var(--line);
  background: var(--c-graphite-2);
}

@media (min-width: 940px) {
  .page-home .hero-frame__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .page-home .hero-frame__figure {
    min-height: 100%;
  }
  .page-home .hero-frame__figure img {
    height: 100%;
    aspect-ratio: auto;
  }
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 章节体系 ---------- */
.page-home .section {
  margin-bottom: clamp(42px, 6.5vw, 86px);
}

.page-home .chapter {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 3.2vw, 38px);
}

.page-home .chapter__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(36px, 5.4vw, 58px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 2px var(--c-yellow);
}

.page-home .chapter__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-home .chapter__lead {
  margin: 12px 0 0;
  max-width: 54em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 243, 245, 0.7);
}

.page-home .chapter .eyebrow {
  margin: 0;
  color: var(--c-yellow);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

@media (min-width: 800px) {
  .page-home .chapter {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
  .page-home .chapter__num {
    padding-top: 6px;
  }
}

/* ---------- 通用分栏与面板 ---------- */
.page-home .home-grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

@media (min-width: 960px) {
  .page-home .home-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-home .home-panel {
  border: 2px solid var(--line-strong);
  background: var(--c-graphite);
  box-shadow: var(--shadow-hard);
  padding: 18px;
  transition: border-color var(--t-fast);
}

.page-home .home-panel:hover {
  border-color: var(--c-red);
}

.page-home .home-panel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-yellow);
}

.page-home .panel-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .panel-list li {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 243, 245, 0.76);
}

.page-home .panel-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .panel-list li span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-red);
}

.page-home .panel-list li a {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 193, 27, 0.45);
}

.page-home .panel-list li a:hover {
  border-bottom-color: var(--c-yellow);
  color: var(--c-yellow);
}

.page-home .grid__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

/* ---------- 01 红黄牌 ---------- */
.page-home .cards-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

@media (min-width: 880px) {
  .page-home .cards-layout {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-home .cards-figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--line-strong);
  background-color: var(--c-ink);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-home .cards-figure::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(245, 193, 27, 0.45);
  pointer-events: none;
}

.page-home .cards-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-home .steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "idx title"
    "idx text";
  gap: 0 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-red);
  background: var(--c-graphite);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-home .step:hover {
  border-color: var(--c-red);
  transform: translateX(3px);
}

.page-home .step__index {
  grid-area: idx;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 28px;
  line-height: 1;
  color: var(--c-yellow);
}

.page-home .step__title {
  grid-area: title;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--c-mist);
}

.page-home .step__text {
  grid-area: text;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 243, 245, 0.7);
}

.page-home .cards-body__sub {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-slate);
}

.page-home .filter-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .filter-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 243, 245, 0.78);
}

.page-home .filter-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--c-yellow);
  box-shadow: 2px 2px 0 var(--c-red-deep);
}

.page-home .cards-facts {
  margin: 0 0 22px;
  padding: 14px 16px;
  border-left: 3px solid var(--c-yellow);
  background: var(--c-graphite-2);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 243, 245, 0.72);
}

/* ---------- 02 射手榜 ---------- */
.page-home .view-grid {
  display: grid;
  gap: 1px;
  margin-bottom: 22px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .view-card {
  padding: 20px 20px 22px;
  background: var(--c-graphite);
  border-top: 3px solid var(--c-slate);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-home .view-card:hover {
  border-top-color: var(--c-red);
  background: var(--c-graphite-2);
}

.page-home .view-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  color: var(--c-mist);
}

.page-home .view-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 243, 245, 0.7);
}

@media (min-width: 780px) {
  .page-home .view-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .scorers-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 243, 245, 0.72);
}

/* ---------- 03 平板反馈 ---------- */
.page-home .tablet-demo {
  position: relative;
  padding: 16px;
  margin-bottom: 18px;
  border: 2px solid var(--line-strong);
  background: var(--c-ink);
  box-shadow: var(--shadow-hard);
  outline: none;
  transition: border-color var(--t-fast);
}

.page-home .tablet-demo:hover,
.page-home .tablet-demo:focus-visible {
  border-color: var(--c-red);
}

.page-home .tablet-demo__screen {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  height: clamp(150px, 24vw, 220px);
}

.page-home .tablet-demo__rail {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-home .tablet-demo__item {
  display: block;
  height: 20px;
  background: rgba(111, 124, 140, 0.18);
  border-left: 3px solid transparent;
}

.page-home .tablet-demo__item--active {
  background: var(--c-yellow);
  border-left-color: var(--c-red);
}

.page-home .tablet-demo__body {
  border: 1px solid var(--line);
  background-color: var(--c-graphite-2);
  background-image: repeating-linear-gradient(
    180deg,
    rgba(111, 124, 140, 0.16) 0 1px,
    transparent 1px 24px
  );
}

.page-home .tablet-demo__hint {
  position: absolute;
  right: 8px;
  top: 46px;
  padding: 6px 10px;
  background: var(--c-red);
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--t-med), transform var(--t-med);
  pointer-events: none;
  box-shadow: var(--shadow-hard);
}

.page-home .tablet-demo:hover .tablet-demo__hint,
.page-home .tablet-demo:focus .tablet-demo__hint,
.page-home .tablet-demo:focus-visible .tablet-demo__hint {
  opacity: 1;
  transform: translateX(0);
}

.page-home .feedback-tip {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 243, 245, 0.72);
}

.page-home .feedback-figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  background-color: var(--c-ink);
  overflow: hidden;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-home .feedback-figure:hover {
  border-color: var(--c-red);
  box-shadow: var(--shadow-hard);
}

.page-home .feedback-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 04 资料库 ---------- */
.page-home .lib-banner {
  margin: 0 0 clamp(22px, 3vw, 32px);
  border: 2px solid var(--line-strong);
  background-color: var(--c-ink);
  overflow: hidden;
  position: relative;
}

.page-home .lib-banner img {
  display: block;
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-home .lib-banner figcaption {
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  background: var(--c-graphite-2);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-slate);
}

.page-home .lib-axes {
  display: grid;
  gap: 1px;
  margin-bottom: clamp(22px, 3vw, 32px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .lib-axis {
  padding: 20px 20px 22px;
  background: var(--c-graphite);
}

.page-home .lib-axis__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-yellow);
}

@media (min-width: 800px) {
  .page-home .lib-axes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-home .lib-chips {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .lib-chips li {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  background: var(--c-graphite-2);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-home .lib-chips li:hover {
  border-color: var(--c-red);
  color: var(--c-yellow);
}

.page-home .lib-axis__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 243, 245, 0.66);
}

.page-home .lib-pack {
  margin-bottom: clamp(20px, 3vw, 28px);
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line-strong);
  background-color: var(--c-graphite-2);
  background-image: var(--grad-soft);
}

.page-home .lib-pack__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--c-mist);
}

.page-home .lib-files {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .lib-file {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--c-graphite);
  transition: background var(--t-fast);
}

.page-home .lib-file:hover {
  background: var(--c-graphite-2);
}

.page-home .lib-file__k {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--c-yellow);
}

.page-home .lib-file__d {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 243, 245, 0.72);
}

@media (min-width: 760px) {
  .page-home .lib-files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .lib-file:last-child {
    grid-column: 1 / -1;
  }
}

.page-home .lib-meta {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 62em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 243, 245, 0.72);
}

.page-home .lib-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 05 联系 ---------- */
.page-home .contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .contact-item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--c-graphite);
}

.page-home .contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-slate);
}

.page-home .contact-val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mist);
  word-break: break-word;
}

.page-home .contact-note {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 243, 245, 0.72);
}

@media (min-width: 720px) {
  .page-home .contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 560px) {
  .page-home .hero-frame__actions .btn,
  .page-home .lib-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
  .page-home .tablet-demo__screen {
    grid-template-columns: 56px minmax(0, 1fr);
  }
  .page-home .tablet-demo__hint {
    font-size: 11px;
    padding: 5px 8px;
  }
}
<<<END>>>