.page-home {
  --home-muted: #C3D2DE;
  --home-glow-gold: rgba(244, 201, 107, 0.15);
  --home-glow-blue: rgba(23, 63, 92, 0.8);
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: clamp(2rem, 6vw, 4rem) clamp(3rem, 9vw, 6.5rem);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -30% 45% 30% -35%;
  background: radial-gradient(circle at 45% 45%, var(--home-glow-blue), transparent 68%);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  gap: clamp(2rem, 6vw, 3.5rem);
  align-items: end;
}

.page-home .hero__context {
  margin: 0 0 1.25rem;
  font-size: var(--t-12);
  letter-spacing: 0.14em;
  color: var(--accent-alt);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 15vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
}

.page-home .hero__title-em {
  display: inline-block;
  color: var(--signal-orange);
}

.page-home .hero__lede {
  max-width: 34rem;
  margin: clamp(1.25rem, 3.5vw, 1.75rem) 0 0;
  font-size: clamp(1rem, 2.4vw, 1.125rem);
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(1.5rem, 5vw, 3rem);
  margin: clamp(1.75rem, 5vw, 2.75rem) 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .hero__stat dt {
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--steel-400);
}

.page-home .hero__stat dd {
  margin: 0.35rem 0 0;
  font-size: var(--t-25);
  color: var(--fg);
}

.page-home .hero__figure {
  margin: 0;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.page-home .hero__caption {
  display: block;
  margin-top: 0.75rem;
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--steel-400);
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 路径四步 ---------- */
.page-home .route {
  background: var(--bg-panel);
  border-block: 1px solid var(--line-soft);
}

.page-home .route__title,
.page-home .index__title,
.page-home .fav__title,
.page-home .compare__title,
.page-home .alerts__title,
.page-home .metrics__title,
.page-home .promise__title,
.page-home .cta-band__title {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-home .route__lede {
  margin: 1rem 0 0;
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .route__list {
  list-style: none;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .route__step {
  position: relative;
  padding: 1.5rem 1.5rem 1.75rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .route__num {
  display: block;
  font-size: var(--t-14);
  letter-spacing: 0.12em;
  color: var(--signal-orange);
}

.page-home .route__step-title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: var(--t-20);
  font-weight: 700;
}

.page-home .route__step-text {
  margin: 0.5rem 0 0;
  max-width: 30ch;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .route__canvas {
  display: none;
}

.page-home .route__line {
  fill: none;
  stroke: var(--accent-alt);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: home-route-draw 1.4s var(--ease) 0.2s forwards;
}

.page-home .route__dot {
  fill: var(--steel-400);
}

.page-home .route__dot--end {
  fill: var(--signal-orange);
}

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

@media (min-width: 760px) {
  .page-home .route__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .route__step {
    padding: 1.75rem 1.5rem 1.5rem 0;
    border-top: 1px solid var(--line-soft);
    border-left: 1px solid transparent;
  }

  .page-home .route__step + .route__step {
    padding-left: 1.5rem;
    border-left-color: var(--line-soft);
  }

  .page-home .route__canvas {
    display: block;
    width: 100%;
    height: auto;
    margin-top: clamp(2rem, 5vw, 3rem);
  }
}

/* ---------- 六栏目索引 ---------- */
.page-home .index__head {
  max-width: 46rem;
}

.page-home .index__lede,
.page-home .fav__text,
.page-home .alerts__lede,
.page-home .metrics__lede {
  margin: 1rem 0 0;
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .index__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  margin-top: clamp(2rem, 5vw, 3rem);
}

.page-home .index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-home .index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 0.5rem 1.25rem 0;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-home .index__link:hover,
.page-home .index__link:focus-visible {
  background: rgba(23, 63, 92, 0.45);
  padding-left: 0.85rem;
}

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

.page-home .index__num {
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  line-height: 1.1;
  color: var(--steel-400);
  transition: color 0.18s var(--ease);
}

.page-home .index__link:hover .index__num,
.page-home .index__link:focus-visible .index__num {
  color: var(--signal-orange);
}

.page-home .index__body {
  display: block;
  min-width: 0;
}

.page-home .index__name {
  display: block;
  font-family: var(--font-display);
  font-size: var(--t-20);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-home .index__desc {
  display: block;
  margin-top: 0.4rem;
  max-width: 52ch;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .index__body .badge {
  margin-top: 0.7rem;
}

.page-home .index__arrow {
  font-family: var(--font-mono);
  font-size: var(--t-20);
  color: var(--accent-alt);
  transition: transform 0.18s var(--ease);
}

.page-home .index__link:hover .index__arrow,
.page-home .index__link:focus-visible .index__arrow {
  transform: translateX(5px);
}

.page-home .index__aside {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-home .index__figure {
  margin: 0;
}

.page-home .index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
}

.page-home .index__caption {
  display: block;
  margin-top: 0.6rem;
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--steel-400);
}

@media (min-width: 900px) {
  .page-home .index__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

/* ---------- 收藏入口第二屏 ---------- */
.page-home .fav {
  background: var(--abyss-800);
  border-block: 1px solid var(--line-soft);
}

.page-home .fav__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.page-home .fav__groups {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-home .fav__group {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 1.15rem;
  border: 1px solid rgba(244, 201, 107, 0.28);
  border-radius: var(--r-md);
  background: linear-gradient(115deg, var(--home-glow-gold), transparent 72%);
}

.page-home .fav__group-label {
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  color: var(--warm-gold);
}

.page-home .fav__group-text {
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--home-muted);
}

.page-home .fav__copy .link-arrow {
  display: inline-block;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-home .fav__figure {
  margin: 0;
  justify-self: center;
  max-width: 300px;
  width: 100%;
}

.page-home .fav__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid rgba(244, 201, 107, 0.3);
  box-shadow: 0 0 42px -12px rgba(244, 201, 107, 0.35);
}

.page-home .fav__caption {
  display: block;
  margin-top: 0.7rem;
  text-align: center;
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--warm-gold);
}

@media (min-width: 900px) {
  .page-home .fav__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }

  .page-home .fav__figure {
    justify-self: end;
  }
}

/* ---------- 新旧面板对照 ---------- */
.page-home .compare {
  background: var(--bg);
}

.page-home .compare__lede {
  margin: 1rem 0 0;
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .compare__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.5rem, 4vw, 2rem);
}

.page-home .compare__tab {
  padding: 0.55rem 1.15rem;
  font-family: var(--font-mono);
  font-size: var(--t-14);
  color: var(--home-muted);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .compare__tab:hover,
.page-home .compare__tab:focus-visible {
  color: var(--fg);
  border-color: var(--accent-alt);
}

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

.page-home .compare__tab[href="#compare-new"] {
  color: var(--accent-alt);
  border-color: rgba(79, 209, 176, 0.55);
}

.page-home .compare:has(#compare-old:target) .compare__tab[href="#compare-old"] {
  color: var(--accent-alt);
  border-color: rgba(79, 209, 176, 0.55);
}

.page-home .compare:has(#compare-old:target) .compare__tab[href="#compare-new"] {
  color: var(--home-muted);
  border-color: var(--line-soft);
}

.page-home .compare__panels {
  margin-top: 1.25rem;
}

.page-home .compare__panel {
  display: none;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
}

.page-home .compare__panel--new {
  display: block;
}

.page-home .compare__panel--old:target {
  display: block;
}

.page-home .compare__panel--old:target ~ .compare__panel--new {
  display: none;
}

.page-home .compare__panel-head {
  margin: 0 0 0.5rem;
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  color: var(--accent-alt);
}

.page-home .compare__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 1rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .compare__row:last-child {
  border-bottom: 0;
}

.page-home .compare__name {
  font-size: var(--t-16);
  color: var(--fg);
}

.page-home .compare__step {
  font-size: var(--t-14);
  color: var(--steel-400);
  white-space: nowrap;
}

.page-home .compare__figure {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  max-width: 520px;
}

.page-home .compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
}

.page-home .compare__caption {
  display: block;
  margin-top: 0.6rem;
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--steel-400);
}

.page-home .compare__more {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
}

/* ---------- 异常提示卡 ---------- */
.page-home .alerts {
  background: var(--bg-panel);
  border-block: 1px solid var(--line-soft);
}

.page-home .alerts__grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 3rem);
}

.page-home .alert-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--alert-coral);
  border-radius: var(--r-md);
  background: var(--bg);
}

.page-home .alert-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--t-20);
  font-weight: 600;
  line-height: 1.35;
}

.page-home .alert-card__steps {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.45rem;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--home-muted);
}

.page-home .alert-card__cta {
  align-self: flex-start;
  margin-top: auto;
}

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

/* ---------- 运营数据 ---------- */
.page-home .metrics__grid {
  list-style: none;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .metrics__item {
  display: grid;
  gap: 0.3rem;
  align-content: start;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: var(--bg);
}

.page-home .metrics__num {
  font-size: clamp(1.5rem, 4vw, 2.125rem);
  line-height: 1.1;
  color: var(--fg);
}

.page-home .metrics__item:nth-child(3n + 1) .metrics__num {
  color: var(--accent-alt);
}

.page-home .metrics__item:nth-child(3n + 2) .metrics__num {
  color: var(--signal-orange);
}

.page-home .metrics__label {
  font-size: var(--t-14);
  color: var(--fg);
}

.page-home .metrics__note {
  font-size: var(--t-12);
  line-height: 1.6;
  color: var(--steel-400);
}

/* ---------- 服务承诺 ---------- */
.page-home .promise {
  background: var(--abyss-800);
  border-top: 1px solid var(--line-soft);
}

.page-home .promise__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.page-home .promise__text {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: var(--t-16);
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .promise__intro .serif-note {
  margin-top: 1.5rem;
}

.page-home .promise__list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .promise__row {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .promise__key {
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  color: var(--accent-alt);
}

.page-home .promise__val {
  font-size: var(--t-16);
  line-height: 1.75;
  color: var(--home-muted);
}

@media (min-width: 900px) {
  .page-home .promise__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-home .promise__row {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

/* ---------- 底部行动区 ---------- */
.page-home .cta-band {
  padding-block: clamp(3rem, 8vw, 5rem);
  background: var(--abyss-700);
  border-top: 1px solid var(--line-soft);
}

.page-home .cta-band__links {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .cta-band__item {
  background: var(--bg-panel);
}

.page-home .cta-band__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  text-decoration: none;
  color: var(--fg);
  transition: background-color 0.18s var(--ease);
}

.page-home .cta-band__link:hover,
.page-home .cta-band__link:focus-visible {
  background: rgba(23, 63, 92, 0.7);
}

.page-home .cta-band__link:focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: -2px;
}

.page-home .cta-band__num {
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  color: var(--signal-orange);
}

.page-home .cta-band__label {
  font-family: var(--font-display);
  font-size: var(--t-20);
  font-weight: 700;
}

.page-home .cta-band__arrow {
  font-family: var(--font-mono);
  font-size: var(--t-20);
  color: var(--accent-alt);
  transition: transform 0.18s var(--ease);
}

.page-home .cta-band__link:hover .cta-band__arrow,
.page-home .cta-band__link:focus-visible .cta-band__arrow {
  transform: translateX(5px);
}

.page-home .cta-band__more {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  max-width: 56rem;
  font-size: var(--t-14);
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .cta-band__more a {
  color: var(--warm-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 800px) {
  .page-home .cta-band__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .route__line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .index__link,
  .page-home .index__num,
  .page-home .index__arrow,
  .page-home .cta-band__arrow,
  .page-home .compare__tab {
    transition: none;
  }

  .page-home .index__link:hover .index__arrow,
  .page-home .index__link:focus-visible .index__arrow,
  .page-home .cta-band__link:hover .cta-band__arrow {
    transform: none;
  }
}