.page-home {
  --ph-line: rgba(140, 147, 163, 0.2);
  --ph-line-strong: rgba(140, 147, 163, 0.34);
  --ph-panel: #0E1524;
  --ph-shadow: rgba(7, 11, 18, 0.7);
  background: var(--ink);
  color: var(--snow);
  overflow-x: hidden;
}

.page-home .shell {
  width: var(--shell-width);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 36px 0 52px;
  border-bottom: 1px solid var(--ph-line);
}

.page-home .hero__glow {
  position: absolute;
  inset: -30% -20% auto -20%;
  height: 130%;
  z-index: -2;
  background:
    radial-gradient(58% 46% at 76% 14%, rgba(55, 200, 195, 0.2), transparent 68%),
    radial-gradient(44% 40% at 16% 78%, rgba(163, 22, 33, 0.34), transparent 70%),
    radial-gradient(70% 60% at 50% 0%, rgba(23, 35, 58, 0.9), transparent 72%);
  filter: blur(2px);
}

.page-home .hero__tick {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--ph-line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(to bottom, rgba(140, 147, 163, 0.09) 0 1px, transparent 1px 88px);
  mask-image: radial-gradient(80% 70% at 60% 30%, #000 20%, transparent 82%);
  -webkit-mask-image: radial-gradient(80% 70% at 60% 30%, #000 20%, transparent 82%);
}

.page-home .hero__shell {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-home .hero__ctx {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 6px 14px 6px 11px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
  border: 1px solid var(--ph-line);
  border-radius: 999px;
  background: rgba(14, 21, 36, 0.72);
}

.page-home .hero__ctx-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(227, 181, 5, 0.16);
}

.page-home .hero__title {
  position: relative;
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 10.5vw, 84px);
  line-height: 0.96;
  letter-spacing: -0.022em;
  isolation: isolate;
}

.page-home .hero__title-sub {
  position: relative;
  display: inline-block;
  margin-top: 12px;
  padding: 6px 18px 10px;
  z-index: 0;
  color: var(--snow);
}

.page-home .hero__title-sub::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, var(--red) 0%, #8C1220 58%, #6B0E19 100%);
  border-radius: 3px 26px 3px 26px;
  transform: skewX(-5deg);
}

.page-home .hero__lede {
  max-width: 46ch;
  margin: 0 0 26px;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.82);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-home .hero__actions .btn {
  transition: transform 220ms ease, background-color 220ms ease, border-color 220ms ease;
}

.page-home .hero__actions .btn:hover,
.page-home .hero__actions .btn:focus-visible {
  transform: translateX(4px);
}

.page-home .hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--ph-line);
  list-style: none;
}

.page-home .hero__fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-home .hero__fact-num {
  font-family: var(--font-data);
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-home .hero__fact-label {
  font-size: 13.5px;
  color: var(--mist);
}

.page-home .hero__frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--ph-line-strong);
  border-radius: 4px 30px 4px 30px;
  background: var(--ph-panel);
  overflow: hidden;
  box-shadow: 0 30px 70px -40px var(--ph-shadow);
}

.page-home .hero__frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(55, 200, 195, 0.22);
  border-radius: 2px 22px 2px 22px;
  pointer-events: none;
}

.page-home .hero__frame .media-frame__img,
.page-home .review__media .media-frame__img,
.page-home .version__media .media-frame__img,
.page-home .return__band-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .media-frame__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  padding: 5px 12px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--gold);
  border-radius: 2px 12px 2px 12px;
}

.page-home .media-frame__caption {
  display: block;
  padding: 11px 16px 13px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
  background: var(--ph-panel);
  border-top: 1px solid var(--ph-line);
}

/* ---------- 章节通用 ---------- */

.page-home .chapter {
  position: relative;
  padding: 56px 0;
  border-bottom: 1px solid var(--ph-line);
}

.page-home .section-index {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.page-home .section-index::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--gold);
  vertical-align: middle;
}

.page-home .chapter__head {
  max-width: 60ch;
  margin-bottom: 32px;
}

.page-home .chapter__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-home .chapter__intro {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.76);
}

.page-home .chapter__foot {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px dashed var(--ph-line);
}

.page-home .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-home .link-arrow::after {
  content: "→";
  transition: transform 200ms ease;
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  color: var(--red-bright);
  border-bottom-color: var(--red-bright);
}

.page-home .link-arrow:hover::after,
.page-home .link-arrow:focus-visible::after {
  transform: translateX(4px);
}

/* ---------- 01 评测速览 ---------- */

.page-home .chapter--review {
  background: linear-gradient(180deg, rgba(14, 21, 36, 0.65) 0%, rgba(7, 11, 18, 0) 62%);
}

.page-home .review__body {
  display: grid;
  gap: 26px;
}

.page-home .review__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--ph-line);
  border-radius: 26px 4px 26px 4px;
  background: var(--ph-panel);
  overflow: hidden;
}

.page-home .review__list {
  display: grid;
  gap: 14px;
}

.page-home .review__item {
  position: relative;
  padding: 20px 20px 20px 24px;
  background: rgba(27, 36, 54, 0.5);
  border-left: 3px solid var(--red);
  border-radius: 0 18px 0 18px;
  transition: background-color 220ms ease, transform 220ms ease;
}

.page-home .review__item:nth-child(2n) {
  border-left-color: var(--cyan);
}

.page-home .review__item:nth-child(3n) {
  border-left-color: var(--gold);
}

.page-home .review__item:hover {
  background: rgba(27, 36, 54, 0.85);
  transform: translateX(4px);
}

.page-home .review__item-num {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-home .review__item-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-home .review__item-text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.72);
}

/* ---------- 02 版本对照 ---------- */

.page-home .vswitch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.page-home .vswitch__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--ph-line-strong);
  border-radius: 999px;
  background: rgba(14, 21, 36, 0.7);
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-home .vswitch__item:hover {
  transform: translateX(4px);
  border-color: var(--cyan);
}

.page-home .vswitch__item--current {
  background: var(--red);
  border-color: var(--red);
  box-shadow: 0 14px 34px -20px rgba(163, 22, 33, 0.9);
}

.page-home .vswitch__num {
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-home .vswitch__item--current .vswitch__num {
  color: var(--snow);
}

.page-home .vswitch__label {
  font-size: 13px;
  color: var(--mist);
}

.page-home .vswitch__item--current .vswitch__label {
  color: rgba(244, 241, 234, 0.9);
}

.page-home .version__body {
  display: grid;
  gap: 26px;
}

.page-home .version__media {
  margin: 0;
  border: 1px solid var(--ph-line);
  border-radius: 4px 26px 4px 26px;
  background: var(--ph-panel);
  overflow: hidden;
}

.page-home .version__notes-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .tick-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-home .tick-list li {
  position: relative;
  padding: 0 0 0 24px;
  margin-bottom: 16px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(244, 241, 234, 0.76);
}

.page-home .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 11px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 03 新用户入口 ---------- */

.page-home .lanes {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .lanes__item {
  border-radius: 4px 24px 4px 24px;
  background: rgba(14, 21, 36, 0.66);
  border: 1px solid var(--ph-line);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease;
}

.page-home .lanes__item:hover {
  transform: translateX(4px);
}

.page-home .lanes__link {
  display: block;
  padding: 24px 22px 22px;
  text-decoration: none;
  border-top: 4px solid var(--graphite);
}

.page-home .lanes__item--red .lanes__link { border-top-color: var(--red); }
.page-home .lanes__item--cyan .lanes__link { border-top-color: var(--cyan); }
.page-home .lanes__item--gold .lanes__link { border-top-color: var(--gold); }
.page-home .lanes__item--mist .lanes__link { border-top-color: var(--mist); }

.page-home .lanes__item--red:hover { border-color: rgba(163, 22, 33, 0.6); }
.page-home .lanes__item--cyan:hover { border-color: rgba(55, 200, 195, 0.55); }
.page-home .lanes__item--gold:hover { border-color: rgba(227, 181, 5, 0.55); }
.page-home .lanes__item--mist:hover { border-color: rgba(140, 147, 163, 0.55); }

.page-home .lanes__key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--snow);
}

.page-home .lanes__desc {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.72);
}

.page-home .lanes__go {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(55, 200, 195, 0.4);
  padding-bottom: 2px;
}

/* ---------- 04 回访推荐 ---------- */

.page-home .chapter--return {
  padding-top: 0;
}

.page-home .return__band {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 30px 0;
  margin-bottom: 34px;
}

.page-home .return__band-img {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-home .return__band-inner {
  position: relative;
  z-index: 1;
  padding: 40px 0 34px;
}

.page-home .section-index--onband {
  color: var(--gold);
}

.page-home .chapter__title--onband {
  color: var(--snow);
}

.page-home .return__band-lede {
  max-width: 48ch;
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.82;
  color: rgba(244, 241, 234, 0.84);
}

.page-home .return__rail {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-home .return__card {
  padding: 22px 20px;
  background: rgba(27, 36, 54, 0.55);
  border: 1px solid var(--ph-line);
  border-radius: 20px 4px 20px 4px;
  transition: background-color 220ms ease, border-color 220ms ease;
}

.page-home .return__card:hover {
  background: rgba(27, 36, 54, 0.9);
  border-color: rgba(55, 200, 195, 0.45);
}

.page-home .return__card-tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 11px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: 2px 10px 2px 10px;
}

.page-home .return__card:nth-child(2) .return__card-tag {
  background: var(--gold);
}

.page-home .return__card:nth-child(3) .return__card-tag {
  background: var(--red-bright);
  color: var(--snow);
}

.page-home .return__card-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .return__card-text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.72);
}

.page-home .return__note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 05 更新节奏 ---------- */

.page-home .cadence {
  position: relative;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
}

.page-home .cadence::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(227, 181, 5, 0.5), var(--red));
}

.page-home .cadence__step {
  position: relative;
  padding: 0 0 26px 30px;
}

.page-home .cadence__step:last-child {
  padding-bottom: 0;
}

.page-home .cadence__mark {
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-home .cadence__step:nth-child(2) .cadence__mark { border-color: var(--gold); }
.page-home .cadence__step:nth-child(3) .cadence__mark { border-color: var(--red-bright); }

.page-home .cadence__freq {
  margin: 0 0 4px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .cadence__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .cadence__text {
  margin: 0;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.72);
}

.page-home .metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--ph-line);
  border: 1px solid var(--ph-line);
  border-radius: 4px 24px 4px 24px;
  overflow: hidden;
}

.page-home .metrics__item {
  padding: 20px 18px;
  background: var(--ink);
}

.page-home .metrics__key {
  margin-bottom: 8px;
  font-size: 13.5px;
  color: var(--mist);
}

.page-home .metrics__value {
  margin: 0;
  font-family: var(--font-data);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-home .metrics__unit {
  font-size: 14px;
  color: var(--mist);
  margin-left: 3px;
}

/* ---------- 06 联络 ---------- */

.page-home .chapter--reach {
  background: linear-gradient(140deg, rgba(23, 35, 58, 0.85) 0%, rgba(7, 11, 18, 0) 70%);
}

.page-home .reach__body {
  display: grid;
  gap: 30px;
}

.page-home .reach__text {
  margin: 0 0 24px;
  max-width: 52ch;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.76);
}

.page-home .reach__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ph-line);
  border: 1px solid var(--ph-line);
  border-radius: 24px 4px 24px 4px;
  overflow: hidden;
}

.page-home .reach__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(7, 11, 18, 0.92);
}

.page-home .reach__key {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .reach__value {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
}

.page-home a.reach__value {
  border-bottom: 1px solid rgba(55, 200, 195, 0.4);
  transition: color 200ms ease, border-color 200ms ease;
}

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

/* ---------- 收束横带 ---------- */

.page-home .aurora-band {
  height: 6px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--gold) 52%, var(--red) 100%);
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .page-home .hero {
    padding: 52px 0 68px;
  }

  .page-home .chapter {
    padding: 72px 0;
  }

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

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

  .page-home .return__rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .reach__item {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
  }

  .page-home .reach__key {
    flex: 0 0 96px;
  }
}

@media (min-width: 900px) {
  .page-home .hero__shell {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
    align-items: center;
  }

  .page-home .hero__frame {
    transform: translateY(-8px);
  }

  .page-home .review__body {
    grid-template-columns: 4fr 8fr;
    gap: 34px;
    align-items: start;
  }

  .page-home .review__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .version__body {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }

  .page-home .cadence {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 26px;
    padding-top: 10px;
  }

  .page-home .cadence::before {
    left: 0;
    right: 0;
    top: 4px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), rgba(227, 181, 5, 0.5), var(--red));
  }

  .page-home .cadence__step {
    padding: 26px 0 0;
  }

  .page-home .cadence__mark {
    top: 0;
  }

  .page-home .reach__body {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }

  .page-home .return__band-inner {
    padding: 56px 0 48px;
  }
}

@media (min-width: 1120px) {
  .page-home .hero {
    padding: 62px 0 80px;
  }

  .page-home .chapter {
    padding: 88px 0;
  }

  .page-home .hero__lede {
    font-size: 17.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    transform: none !important;
  }
}