.page-home {
  --home-pad: clamp(1rem, 4vw, 2rem);
  --home-block: clamp(3rem, 8vw, 5.5rem);
  width: min(100%, 1240px);
  margin-inline: auto;
  padding: 2rem var(--home-pad) clamp(5rem, 12vh, 8rem);
  color: var(--stardust);
  background:
    radial-gradient(120% 55% at 82% 0%, rgba(123, 63, 242, .30), transparent 62%),
    radial-gradient(95% 50% at 0% 28%, rgba(47, 182, 255, .17), transparent 66%),
    radial-gradient(80% 40% at 50% 100%, rgba(58, 15, 42, .55), transparent 70%),
    var(--ink-900);
}

.page-home .home-frame {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: start;
}

.page-home .home-stream {
  min-width: 0;
  display: grid;
  gap: 0;
}

/* ---------- 左侧轨道 ---------- */
.page-home .home-rail {
  display: none;
}

.page-home .home-rail__label {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  border-left: var(--border-print);
}

.page-home .home-rail__link {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  margin-left: -1px;
  padding: .5rem 0 .5rem 1rem;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  color: var(--stardust);
  border-left-color: var(--blue);
  transform: translateX(3px);
}

.page-home .home-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
  padding-block: clamp(1rem, 3vw, 2.5rem) 0;
}

.page-home .home-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1.4rem;
  padding: .42rem .9rem;
  border: 1px solid rgba(77, 255, 166, .34);
  border-radius: 999px;
  background: rgba(77, 255, 166, .06);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-home .home-hero__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-head);
  font-size: clamp(2.05rem, 6.6vw, 3.85rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
}

.page-home .home-hero__title span {
  display: block;
  margin-top: .28em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-home .home-hero__lead {
  max-width: 35ch;
  margin: 0 0 2rem;
  color: var(--mist);
  font-size: clamp(.98rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

.page-home .home-hero__visual {
  position: relative;
  margin: 0;
  aspect-ratio: 1 / 1;
  border: var(--border-print);
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(85% 85% at 28% 18%, rgba(123, 63, 242, .60), transparent 62%),
    radial-gradient(70% 70% at 82% 84%, rgba(47, 182, 255, .46), transparent 64%),
    var(--ink-800);
  box-shadow: var(--shadow-card);
}

.page-home .home-hero__mesh {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .55;
  animation: home-drift 26s linear infinite;
}

.page-home .home-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: screen;
  opacity: .72;
}

.page-home .home-hero__tag {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: .35rem .8rem;
  border: 1px solid rgba(255, 209, 102, .45);
  border-radius: 999px;
  background: rgba(11, 10, 31, .72);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

@keyframes home-drift {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-44px, -44px, 0); }
}

/* ---------- 章节通用头 ---------- */
.page-home .home-section {
  padding-top: var(--home-block);
}

.page-home .home-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(.9rem, 3vw, 1.8rem);
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-home .home-head--tight {
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}

.page-home .home-head__num {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 6.2rem);
  line-height: .84;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 138, 61, .78);
}

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

.page-home .home-head__body h2 {
  margin: .2rem 0 .55rem;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.01em;
}

.page-home .home-head__body p {
  margin: 0;
  max-width: 48ch;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.82;
}

/* ---------- 三条主线 ---------- */
.page-home .home-deck {
  display: grid;
  gap: 1.15rem;
}

.page-home .home-line {
  --dy: 0px;
  --rot: 0deg;
  position: relative;
  padding: 1.5rem 1.4rem 1.7rem;
  border: var(--border-print);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(16, 36, 58, .96), rgba(11, 10, 31, .96));
  box-shadow: var(--shadow-card);
  transform: translateY(var(--dy)) rotate(var(--rot));
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.page-home .home-line::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(225deg, rgba(255, 209, 102, .22), transparent 62%);
  border-bottom-left-radius: 10px;
  pointer-events: none;
}

.page-home .home-line:hover {
  transform: translateY(calc(var(--dy) - 6px)) rotate(var(--rot));
  border-color: rgba(123, 63, 242, .68);
  box-shadow: 0 26px 54px -32px rgba(123, 63, 242, .9);
}

.page-home .home-line__no {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--blue);
}

.page-home .home-line .tt-card__title {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--stardust);
}

.page-home .home-line .tt-card__text {
  margin: 0 0 1.1rem;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-home .home-lines__shot {
  margin: clamp(1.8rem, 4vw, 2.6rem) 0 0;
}

.page-home .home-lines__shot img,
.page-home .home-swap__shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: var(--border-print);
  object-fit: cover;
  background: var(--ink-800);
}

/* ---------- 换机流程 ---------- */
.page-home .home-swap__shot {
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.2rem);
}

.page-home .home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-home .home-step > details {
  border: var(--border-print);
  border-radius: var(--radius-sm);
  background: rgba(16, 36, 58, .55);
  transition: border-color .24s ease, background .24s ease;
}

.page-home .home-step > details[open] {
  border-color: rgba(47, 182, 255, .52);
  background: rgba(16, 36, 58, .82);
}

.page-home .home-step summary {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  color: var(--stardust);
  font-size: 15.5px;
  font-weight: 600;
  list-style: none;
}

.page-home .home-step summary::-webkit-details-marker {
  display: none;
}

.page-home .home-step summary::after {
  content: "+";
  margin-left: auto;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  transition: transform .24s ease;
}

.page-home .home-step details[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.page-home .home-step__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--grad-brand);
  color: var(--stardust);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-home .home-step details p {
  margin: 0;
  padding: 0 1.1rem 1.15rem 3.15rem;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-home .home-step__link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 数字看板 ---------- */
.page-home .home-numbers {
  position: relative;
  isolation: isolate;
  margin-top: var(--home-block);
  padding: clamp(1.6rem, 5vw, 3rem);
  border: var(--border-print);
  border-radius: var(--radius-lg);
  background: var(--grad-dark);
  overflow: hidden;
}

.page-home .home-numbers__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  pointer-events: none;
}

.page-home .home-numbers__inner {
  position: relative;
  z-index: 1;
}

.page-home .home-numbers .home-head__body h2 {
  color: var(--stardust);
}

.page-home .home-stats {
  display: grid;
  gap: .9rem;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

.page-home .home-stat {
  padding: 1.05rem 1.1rem 1.2rem;
  border: 1px solid rgba(167, 159, 201, .22);
  border-radius: var(--radius-sm);
  background: rgba(11, 10, 31, .58);
  transition: transform .24s ease, border-color .24s ease;
}

.page-home .home-stat:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 138, 61, .55);
}

.page-home .home-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.85rem, 4.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.02em;
}

.page-home .home-stat__num span {
  margin-left: .18em;
  font-size: .42em;
  color: var(--mist);
  letter-spacing: .06em;
}

.page-home .home-stat__label {
  margin: .6rem 0 .35rem;
  color: var(--stardust);
  font-size: 14px;
  font-weight: 600;
}

.page-home .home-stat__note {
  margin: 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 本地与服务 ---------- */
.page-home .home-local {
  display: grid;
  gap: 1rem;
}

.page-home .home-local__card {
  padding: clamp(1.3rem, 3.5vw, 2rem);
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(16, 36, 58, .7);
}

.page-home .home-local__card--seal {
  background: linear-gradient(160deg, rgba(58, 15, 42, .92), rgba(11, 10, 31, .94));
  border-color: rgba(255, 209, 102, .32);
}

.page-home .home-local__kicker {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-home .home-local__card--seal .home-local__kicker {
  color: var(--amber);
}

.page-home .home-local__big {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange);
}

.page-home .home-local__big span {
  font-size: .4em;
  color: var(--mist);
  letter-spacing: .06em;
}

.page-home .home-local__seal {
  margin: 0 0 1rem;
  padding: .55rem .85rem;
  display: inline-block;
  border: 1px dashed rgba(255, 209, 102, .6);
  border-radius: var(--radius-sm);
  background: rgba(255, 209, 102, .07);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
}

.page-home .home-local__text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-home .home-local__card--seal .tt-btn {
  margin-top: 1.2rem;
}

/* ---------- 客服气泡 ---------- */
.page-home .home-help {
  position: fixed;
  right: clamp(.85rem, 3vw, 1.6rem);
  bottom: clamp(4.8rem, 11vh, 6.5rem);
  z-index: 40;
}

.page-home .home-help__bubble {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .5rem 1rem .5rem .6rem;
  border: 1px solid rgba(77, 255, 166, .4);
  border-radius: 999px;
  background: rgba(11, 10, 31, .92);
  color: var(--stardust);
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  box-shadow: 0 14px 36px -20px rgba(0, 0, 0, .95);
  backdrop-filter: blur(8px);
  transition: border-color .22s ease, transform .22s ease;
}

.page-home .home-help__bubble:hover {
  border-color: rgba(77, 255, 166, .8);
  transform: translateY(-2px);
}

.page-home .home-help__bubble::-webkit-details-marker {
  display: none;
}

.page-home .home-help__ring {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  transform: rotate(-90deg);
}

.page-home .home-help__ring-fill {
  stroke-dasharray: 94.2;
  stroke-dashoffset: 94.2;
  animation: home-ring 60s linear infinite;
}

@keyframes home-ring {
  from { stroke-dashoffset: 94.2; }
  to   { stroke-dashoffset: 0; }
}

.page-home .home-help__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + .7rem);
  width: min(288px, 80vw);
  padding: 1.1rem 1.15rem 1.25rem;
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(11, 10, 31, .97);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, .95);
}

.page-home .home-help__note {
  margin: 0 0 .9rem;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.75;
}

.page-home .home-help__line {
  display: flex;
  gap: .6rem;
  margin: 0 0 .45rem;
  color: var(--stardust);
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
}

.page-home .home-help__line span {
  flex: 0 0 auto;
  color: var(--mist);
  font-family: var(--font-body);
}

.page-home .home-help__panel .tt-btn {
  margin-top: 1rem;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-home .home-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
    padding-bottom: 2.6rem;
  }

  .page-home .home-line:nth-child(1) { --dy: 0px;   --rot: -1.1deg; }
  .page-home .home-line:nth-child(2) { --dy: 20px;  --rot: .9deg; }
  .page-home .home-line:nth-child(3) { --dy: 40px;  --rot: -.7deg; }

  .page-home .home-local {
    grid-template-columns: 1.15fr .85fr;
    gap: 1.2rem;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(2rem, 4vw, 3.4rem);
    align-items: center;
    padding-block: clamp(1.5rem, 4vw, 3rem) 0;
  }

  .page-home .home-hero__visual {
    aspect-ratio: 1 / 1;
  }
}

@media (min-width: 1100px) {
  .page-home .home-frame {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: clamp(2rem, 3.5vw, 3rem);
  }

  .page-home .home-rail {
    display: block;
    position: sticky;
    top: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__mesh,
  .page-home .home-help__ring-fill {
    animation: none;
  }

  .page-home .home-line,
  .page-home .home-line:hover,
  .page-home .home-stat,
  .page-home .home-stat:hover,
  .page-home .home-rail__link,
  .page-home .home-help__bubble {
    transform: none;
    transition: none;
  }
}