.page-home {
  --home-gutter: 20px;
  --home-max: var(--shell);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

.page-home .breadcrumbs {
  padding: 16px var(--home-gutter) 0;
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-home .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--bronze);
}

.page-home .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .breadcrumbs__link:hover,
.page-home .breadcrumbs__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
  outline: none;
}

.page-home .breadcrumbs__current {
  color: var(--gold);
}

.page-home .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-home .display-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 7vw, 3.3rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .lede {
  margin: 0 0 24px;
  font-size: 1rem;
  color: rgba(242, 230, 207, 0.82);
  max-width: 34em;
}

.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.page-home .btn--primary {
  background: var(--lava);
  color: #fff;
  border-color: var(--lava);
  box-shadow: 0 10px 26px rgba(232, 98, 44, 0.24);
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  background: #f0723d;
  border-color: var(--highlight);
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
}

.page-home .btn--outline,
.page-home .btn--ghost {
  background: transparent;
  color: var(--gold);
  border-color: var(--line-strong);
}

.page-home .btn--outline:hover,
.page-home .btn--outline:focus-visible,
.page-home .btn--ghost:hover,
.page-home .btn--ghost:focus-visible {
  border-color: var(--gold);
  background: rgba(212, 162, 74, 0.1);
  color: var(--highlight);
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
}

.page-home .btn:hover {
  transform: translateY(-2px);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  display: grid;
  gap: 40px;
  padding: 28px var(--home-gutter) 56px;
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .hero__marks li {
  position: relative;
  padding-left: 14px;
}

.page-home .hero__marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

.page-home .hero__visual {
  position: relative;
  isolation: isolate;
}

.page-home .hero__media {
  position: relative;
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
  background: var(--navy);
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06) brightness(0.92);
}

.page-home .hero__grain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: overlay;
  opacity: 0.55;
  pointer-events: none;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
}

.page-home .hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 22%, rgba(246, 217, 140, 0.2), transparent 58%),
    linear-gradient(160deg, rgba(8, 11, 16, 0) 42%, rgba(8, 11, 16, 0.74));
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
}

.page-home .hero__chips {
  position: absolute;
  left: 14px;
  bottom: -14px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.page-home .hero__chips span {
  width: 28px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--bronze));
  box-shadow: var(--shadow-chip);
  opacity: 0.9;
}

/* ---------- 章节骨架 ---------- */
.page-home .section {
  padding: 56px var(--home-gutter);
}

.page-home .section__inner {
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .section--band {
  background: linear-gradient(180deg, var(--navy), rgba(14, 26, 43, 0.35));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .section--tight {
  padding: 44px var(--home-gutter);
}

.page-home .section-heading h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.6vw, 2.1rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-home .section-lead {
  margin: 0;
  max-width: 40em;
  color: rgba(242, 230, 207, 0.76);
  font-size: 0.95rem;
}

/* ---------- 游戏库 ---------- */
.page-home .library__grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-home .lib-col {
  position: relative;
  padding: 22px 20px;
  background: rgba(42, 54, 72, 0.34);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-home .lib-col:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-home .lib-col__num {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 8px;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  border: 1px solid var(--line-strong);
}

.page-home .lib-col__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--paper);
}

.page-home .lib-col__desc {
  margin: 0 0 16px;
  font-size: 0.86rem;
  color: var(--mist);
}

.page-home .lib-col__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 0.86rem;
  color: rgba(242, 230, 207, 0.82);
}

.page-home .lib-col__list li {
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.page-home .lib-col--rail {
  padding-left: 40px;
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(212, 162, 74, 0.16), rgba(8, 11, 16, 0.62));
  box-shadow: var(--shadow-chip);
}

.page-home .lib-col--rail::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--lava), var(--gold) 40%, rgba(212, 162, 74, 0.12));
}

.page-home .lib-col--rail .lib-col__num {
  color: var(--lava);
  border-color: rgba(232, 98, 44, 0.5);
}

.page-home .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  font-size: 0.86rem;
  color: rgba(242, 230, 207, 0.9);
}

.page-home .rail-list li {
  position: relative;
  padding-left: 18px;
}

.page-home .rail-list li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 162, 74, 0.16);
}

.page-home .library__media {
  margin: 26px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--navy);
}

.page-home .library__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.94);
}

.page-home .media-frame__caption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 桌面端重登 ---------- */
.page-home .reauth__inner {
  display: grid;
  gap: 34px;
}

.page-home .reauth__intro h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.6vw, 2.1rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-home .reauth__intro > p {
  margin: 0 0 24px;
  max-width: 32em;
  color: rgba(242, 230, 207, 0.78);
  font-size: 0.95rem;
}

.page-home .reauth__causes {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-home .cause {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px 12px;
  position: relative;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cause__bar {
  grid-column: 1 / -1;
  order: 3;
  display: block;
  height: 4px;
  width: var(--pct);
  background: linear-gradient(90deg, var(--copper), var(--gold));
}

.page-home .cause__label {
  font-size: 0.84rem;
  color: rgba(242, 230, 207, 0.84);
}

.page-home .cause__value {
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-home .step-rail {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
  margin-left: 13px;
}

.page-home .step-rail__item {
  position: relative;
  padding: 0 0 28px 34px;
}

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

.page-home .step-rail__index {
  position: absolute;
  left: -14px;
  top: 0;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
}

.page-home .step-rail__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-home .step-rail__item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--mist);
}

.page-home .reauth__media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--slate);
}

.page-home .reauth__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.92);
}

/* ---------- 礼包码时间牌 ---------- */
.page-home .codes__inner {
  display: grid;
  gap: 26px;
}

.page-home .codes__plate {
  position: relative;
  padding: 26px 22px 28px;
  background: linear-gradient(150deg, rgba(42, 54, 72, 0.6), rgba(8, 11, 16, 0.9));
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--lava);
}

.page-home .panel__label {
  margin: 0 0 8px;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .codes__date {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.1rem, 9vw, 3rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--highlight);
}

.page-home .codes__note {
  margin: 0 0 22px;
  max-width: 32em;
  font-size: 0.88rem;
  color: rgba(242, 230, 207, 0.78);
}

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

.page-home .codes__clock li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .codes__clock-key {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  min-width: 8.5em;
}

.page-home .codes__clock-val {
  font-size: 0.82rem;
  color: var(--mist);
}

.page-home .codes__ticks {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
}

.page-home .codes__ticks span {
  flex: 1;
  height: 9px;
  background: rgba(212, 162, 74, 0.18);
}

.page-home .codes__ticks span:nth-child(-n + 3) {
  background: linear-gradient(180deg, var(--gold), var(--bronze));
}

.page-home .codes__media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--navy);
}

.page-home .codes__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.94);
}

/* ---------- 筹码索引 ---------- */
.page-home .chip-index {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .chip-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 16px;
  padding: 18px 24px 18px 22px;
  text-decoration: none;
  background: rgba(42, 54, 72, 0.5);
  border: 1px solid var(--line-soft);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-home .chip-index__link:hover,
.page-home .chip-index__link:focus-visible {
  background: rgba(212, 162, 74, 0.14);
  border-color: var(--gold);
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
}

.page-home .chip-index__num {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-home .chip-index__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--paper);
}

.page-home .chip-index__note {
  grid-column: 2;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .chip-index__link:hover .chip-index__num {
  color: var(--lava);
}

/* ---------- 服务保障 ---------- */
.page-home .assurance__inner {
  border-top: 1px solid var(--line-strong);
  padding-top: 28px;
}

.page-home .assurance__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  color: var(--gold);
}

.page-home .assurance__list {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-home .assurance__list li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.page-home .assurance__num {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-home .assurance__text {
  font-size: 0.85rem;
  color: rgba(242, 230, 207, 0.78);
}

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

/* ---------- 桌面增强 ---------- */
@media (min-width: 820px) {
  .page-home .hero {
    grid-template-columns: 42fr 58fr;
    align-items: center;
    gap: 44px;
    padding: 44px 40px 72px;
  }

  .page-home .section {
    padding: 72px 40px;
  }

  .page-home .section--tight {
    padding: 48px 40px;
  }

  .page-home .library__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-home .lib-col--rail {
    margin-top: -18px;
    padding-bottom: 30px;
  }

  .page-home .reauth__inner {
    grid-template-columns: 4fr 5fr;
    grid-template-areas:
      "intro steps"
      "media steps";
    align-items: start;
    gap: 32px 44px;
  }

  .page-home .reauth__intro {
    grid-area: intro;
  }

  .page-home .reauth__media {
    grid-area: media;
  }

  .page-home .step-rail {
    grid-area: steps;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 22px;
    border-left: 0;
    margin-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 26px;
  }

  .page-home .step-rail__item {
    padding: 0 0 0 0;
  }

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

  .page-home .step-rail__index {
    position: static;
    margin-bottom: 10px;
  }

  .page-home .codes__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 36px;
  }

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

  .page-home .assurance__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1100px) {
  .page-home .reauth__inner {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .step-rail {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 30px;
  }

  .page-home .hero__chips span {
    width: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .btn,
  .page-home .lib-col,
  .page-home .chip-index__link {
    transition: none;
  }

  .page-home .btn:hover,
  .page-home .lib-col:hover {
    transform: none;
  }
}

.page-home {
  --pct: 1rem;
}