.page-home {
  --home-frame-pad: var(--space-4);
  --home-media-h: 240px;
  --home-card-corner: 12px;
  overflow-x: clip;
  background: var(--color-cream);
}

/* ===== 首屏：品牌认证入口 ===== */
.page-home .arena-hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: stretch;
  background-color: var(--color-dark);
  color: var(--color-paper);
  overflow: hidden;
  isolation: isolate;
  padding: var(--space-5) 0 var(--space-6);
}

.page-home .arena-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
  z-index: -2;
}

.page-home .arena-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 50% 32%, rgba(163, 18, 14, 0.38) 0%, rgba(31, 27, 22, 0) 54%),
    radial-gradient(ellipse at 50% 68%, rgba(201, 161, 55, 0.15) 0%, rgba(31, 27, 22, 0) 50%),
    linear-gradient(180deg, rgba(31, 27, 22, 0.62) 0%, rgba(31, 27, 22, 0.3) 48%, rgba(31, 27, 22, 0.8) 100%);
}

.page-home .arena-hero__container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
}

.page-home .arena-hero .breadcrumbs {
  margin-bottom: var(--space-4);
  color: rgba(255, 248, 240, 0.56);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.page-home .arena-hero .breadcrumbs a {
  color: rgba(255, 248, 240, 0.74);
  text-decoration: none;
  transition: color var(--speed);
}

.page-home .arena-hero .breadcrumbs a:hover {
  color: var(--color-gold);
}

.page-home .arena-hero__frame {
  position: relative;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-5) var(--home-frame-pad) var(--space-4);
  background: linear-gradient(145deg, rgba(31, 27, 22, 0.94) 0%, rgba(31, 27, 22, 0.78) 100%);
  border: 1px solid rgba(201, 161, 55, 0.52);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.page-home .arena-hero__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  pointer-events: none;
  z-index: 2;
}

.page-home .arena-hero__corner--tl {
  top: -1px;
  left: -1px;
  border-top: 3px solid var(--color-gold);
  border-left: 3px solid var(--color-gold);
}

.page-home .arena-hero__corner--br {
  bottom: -1px;
  right: -1px;
  border-bottom: 3px solid var(--color-gold);
  border-right: 3px solid var(--color-gold);
}

.page-home .arena-hero__shine {
  position: absolute;
  top: -60%;
  left: -30%;
  width: 55%;
  height: 320%;
  background: linear-gradient(115deg, transparent, rgba(255, 248, 240, 0.07), transparent);
  transform: rotate(16deg);
  animation: pageHomeShine 9s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pageHomeShine {
  0%, 100% {
    transform: translateX(-40%) rotate(16deg);
  }
  50% {
    transform: translateX(240%) rotate(16deg);
  }
}

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

.page-home .arena-hero__stamp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 18px 6px 10px;
  border: 1px solid rgba(201, 161, 55, 0.55);
  background: rgba(201, 161, 55, 0.08);
  border-radius: 2px;
  margin-bottom: var(--space-4);
}

.page-home .arena-hero__stamp-ring {
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(201, 161, 55, 0.25);
}

.page-home .arena-hero__stamp-text {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.page-home .arena-hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(1.7rem, 4.4vw, 3.4rem);
  line-height: 1.1;
  color: var(--color-paper);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-3);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.42);
}

.page-home .arena-hero__lead {
  font-size: clamp(0.94rem, 1.6vw, 1.07rem);
  line-height: 1.88;
  color: rgba(255, 248, 240, 0.86);
  margin: 0 0 var(--space-4);
  max-width: 720px;
}

.page-home .arena-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-home .arena-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-home .arena-hero__actions .btn {
  min-width: 168px;
  justify-content: center;
}

/* ===== 快速导航 ===== */
.page-home .quick-nav {
  padding: var(--space-5) 0 var(--space-6);
  background-color: var(--color-cream);
}

.page-home .quick-nav__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-home .qnav-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-paper);
  border: 1px solid rgba(31, 27, 22, 0.08);
  box-shadow: 0 2px 10px rgba(31, 27, 22, 0.05);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--speed), transform var(--speed);
  padding: 0;
}

.page-home .qnav-card:hover {
  box-shadow: 0 14px 30px rgba(31, 27, 22, 0.13);
  transform: translateY(-4px);
}

.page-home .qnav-card__media {
  position: relative;
  width: 100%;
  height: var(--home-media-h);
  overflow: hidden;
  background: var(--color-dark);
}

.page-home .qnav-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.42s ease;
}

.page-home .qnav-card:hover .qnav-card__media img {
  transform: scale(1.06);
}

.page-home .qnav-card__body {
  padding: var(--space-3) var(--space-3) var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .qnav-card__body h3 {
  font-family: var(--font-headline);
  font-size: 1.16rem;
  line-height: 1.3;
  color: var(--color-dark);
  margin: var(--space-1) 0 0;
  text-transform: uppercase;
}

.page-home .qnav-card__body p {
  color: var(--color-gray);
  font-size: 0.9rem;
  line-height: 1.66;
  margin: 0;
}

.page-home .qnav-card__more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: gap var(--speed), color var(--speed);
}

.page-home .qnav-card:hover .qnav-card__more {
  gap: 12px;
}

.page-home .qnav-card--news .qnav-card__visual {
  position: relative;
  height: var(--home-media-h);
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(163, 18, 14, 0.92) 0%, rgba(163, 18, 14, 0.55) 55%, rgba(31, 27, 22, 0.85) 100%),
    repeating-linear-gradient(115deg, transparent 0 14px, rgba(255, 248, 240, 0.05) 14px 15px);
  overflow: hidden;
}

.page-home .qnav-card__chart {
  width: 160px;
  height: 90px;
  display: block;
}

.page-home .qnav-card__chart-label {
  font-family: var(--font-data);
}

.page-home .qnav-card__visual-tag {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}

.page-home .qnav-card--news .qnav-card__body {
  background: var(--color-dark);
}

.page-home .qnav-card--news .qnav-card__body h3 {
  color: var(--color-paper);
}

.page-home .qnav-card--news .qnav-card__body p {
  color: rgba(255, 248, 240, 0.72);
}

.page-home .qnav-card--news .qnav-card__more {
  color: var(--color-gold);
}

/* ===== 今日数据看板 ===== */
.page-home .data-dashboard {
  position: relative;
  padding: var(--space-5) 0 var(--space-5);
  background-color: var(--color-dark);
  background-image:
    repeating-linear-gradient(115deg, transparent 0 26px, rgba(201, 161, 55, 0.035) 27px, rgba(201, 161, 55, 0.035) 28px),
    linear-gradient(180deg, rgba(31, 27, 22, 0.2), rgba(31, 27, 22, 0.2));
}

.page-home .dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-home .dash-card {
  position: relative;
  background: rgba(255, 248, 240, 0.04);
  border: 1px solid rgba(255, 248, 240, 0.1);
  padding: var(--space-3) var(--space-3);
  clip-path: polygon(0 0, calc(100% - var(--home-card-corner)) 0, 100% var(--home-card-corner), 100% 100%, var(--home-card-corner) 100%, 0 calc(100% - var(--home-card-corner)));
  transition: border-color var(--speed), transform var(--speed), background var(--speed);
}

.page-home .dash-card:hover {
  border-color: var(--color-green);
  background: rgba(63, 242, 63, 0.06);
  transform: translateY(-3px);
}

.page-home .dash-card__label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: rgba(255, 248, 240, 0.56);
  margin-bottom: var(--space-2);
}

.page-home .dash-card__num {
  display: block;
  font-family: var(--font-data);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--color-paper);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.page-home .dash-card:nth-child(odd) .dash-card__num {
  color: var(--color-gold);
}

.page-home .dash-card:nth-child(even) .dash-card__num {
  color: var(--color-green);
}

.page-home .dash-card__meta {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: rgba(255, 248, 240, 0.5);
}

.page-home .dashboard-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-3);
  border-left: 2px solid var(--color-green);
  background: rgba(63, 242, 63, 0.06);
}

.page-home .dashboard-note__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  margin-top: 0.55em;
  box-shadow: 0 0 8px rgba(63, 242, 63, 0.6);
}

.page-home .dashboard-note p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: rgba(255, 248, 240, 0.68);
}

/* ===== 更新日志 ===== */
.page-home .changelog {
  padding: var(--space-5) 0 var(--space-6);
  background-color: var(--color-cream);
}

.page-home .changelog__list {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.page-home .changelog__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-paper);
  border: 1px solid rgba(31, 27, 22, 0.08);
  border-left: 3px solid var(--color-gold);
  transition: box-shadow var(--speed), border-left-color var(--speed), transform var(--speed);
}

.page-home .changelog__item:hover {
  box-shadow: 0 8px 22px rgba(31, 27, 22, 0.09);
  border-left-color: var(--color-primary);
  transform: translateX(4px);
}

.page-home .changelog__mark {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-home .changelog__week {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--color-gray);
}

.page-home .changelog__body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 var(--space-1);
}

.page-home .changelog__body p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0;
}

/* ===== 桌面端排版 ===== */
@media (min-width: 720px) {
  .page-home {
    --home-frame-pad: var(--space-5);
    --home-media-h: 280px;
  }

  .page-home .arena-hero__container {
    padding-top: var(--space-6);
  }

  .page-home .arena-hero__frame {
    padding: var(--space-6) var(--home-frame-pad) var(--space-5);
  }

  .page-home .quick-nav__grid {
    grid-template-columns: repeat(6, 1fr);
    grid-template-areas:
      "contact contact contact login login login"
      "news news products products products products";
    gap: var(--space-5);
  }

  .page-home .qnav-card--contact {
    grid-area: contact;
  }

  .page-home .qnav-card--login {
    grid-area: login;
  }

  .page-home .qnav-card--news {
    grid-area: news;
  }

  .page-home .qnav-card--products {
    grid-area: products;
  }

  .page-home .qnav-card__media,
  .page-home .qnav-card--news .qnav-card__visual {
    height: var(--home-media-h);
  }

  .page-home .qnav-card--news .qnav-card__visual {
    align-items: flex-start;
    padding-top: var(--space-4);
  }

  .page-home .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }

  .page-home .dash-card__num {
    font-size: 3rem;
  }

  .page-home .changelog__item {
    grid-template-columns: 180px 1fr;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
  }
}