/* ===== 页面基底 ===== */
.page-home {
  background: var(--color-bg-white);
  color: var(--color-text);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ===== 面包屑 ===== */
.page-home__crumb {
  position: relative;
  z-index: 5;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-4) 0;
  font-size: var(--fs-caption);
  font-weight: 600;
  color: rgba(232, 238, 245, 0.75);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.page-home__crumb a {
  color: rgba(232, 238, 245, 0.9);
  text-decoration: none;
}
.page-home__crumb a:hover {
  color: #fff;
  text-decoration: underline;
}
.page-home__crumb-sep {
  color: rgba(232, 238, 245, 0.4);
}

/* ===== Hero ===== */
.page-home__hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 82% 18%, rgba(46, 179, 184, 0.14) 0%, transparent 58%),
    radial-gradient(ellipse at 18% 88%, rgba(212, 168, 75, 0.08) 0%, transparent 55%),
    linear-gradient(140deg, var(--color-primary-deep) 0%, var(--color-primary) 58%, var(--color-primary-mid) 100%);
  color: #fff;
  padding: 0 var(--sp-4) var(--sp-7);
}
.page-home__hero-inner {
  position: relative;
  z-index: 3;
  max-width: var(--container-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  padding-top: var(--sp-6);
}
.page-home__hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-4);
}
.page-home__hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-gold-end);
  background: rgba(212, 168, 75, 0.12);
  border-left: 3px solid var(--color-gold-start);
  padding: var(--sp-1) var(--sp-3);
}
.page-home__hero h1 {
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  color: #fff;
}
.page-home__hero-region {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-home__hero-lead {
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(232, 238, 245, 0.84);
  max-width: 46ch;
  margin: 0;
}
.page-home__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}
.page-home__hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: rgba(232, 238, 245, 0.7);
}
.page-home__hero-meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-gold-start);
}
.page-home__keyword-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
}
.page-home__keyword-strip li {
  font-size: var(--fs-small);
  font-weight: 600;
  color: rgba(232, 238, 245, 0.8);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(212, 168, 75, 0.28);
  border-radius: 999px;
  padding: var(--sp-1) var(--sp-3);
  letter-spacing: 0.02em;
}
.page-home__hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
}
.page-home__hero-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-home__hero-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  animation: page-home-float 6s var(--ease-ios) infinite alternate;
}
@keyframes page-home-float {
  from { transform: translateY(0); }
  to { transform: translateY(10px); }
}
.page-home__hero-scroll {
  display: none;
}

/* ===== 章节通用 ===== */
.page-home__section {
  padding: var(--sp-6) var(--sp-4);
}
.page-home__section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.page-home__section-num {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(212, 168, 75, 0.55);
  white-space: nowrap;
}
.page-home__section-heading {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding-top: var(--sp-1);
}
.page-home__section-heading h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ===== 01 平台现状 ===== */
.page-home__section--status {
  background: var(--color-bg-white);
}
.page-home__status-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}
.page-home__status-lead {
  position: relative;
  padding: var(--sp-5);
  background: var(--color-bg-soft);
  border-radius: var(--radius-cut);
  border-left: 3px solid var(--color-gold-start);
  box-shadow: var(--shadow-card);
}
.page-home__status-tag {
  display: inline-block;
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: rgba(212, 168, 75, 0.14);
  padding: var(--sp-1) var(--sp-3);
  margin-bottom: var(--sp-3);
}
.page-home__status-text {
  font-size: var(--fs-h3);
  line-height: 1.55;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 var(--sp-3);
}
.page-home__status-text strong {
  font-size: 1.25em;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-home__status-sub {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.72);
  margin: 0;
}
.page-home__status-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}
.page-home__status-item {
  position: relative;
  padding: var(--sp-4);
  background: #fff;
  border: 1px solid rgba(30, 58, 110, 0.1);
  border-radius: var(--radius-md);
  transition: transform var(--dur-mid) var(--ease-ios), box-shadow var(--dur-mid) var(--ease-ios);
}
.page-home__status-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.page-home__status-dot {
  display: block;
  width: 10px;
  height: 10px;
  background: var(--color-accent-cyan);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  margin-bottom: var(--sp-3);
}
.page-home__status-item h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin: 0 0 var(--sp-2);
  color: var(--color-text);
}
.page-home__status-item p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.72);
  margin: 0;
}

/* ===== 02 更新记录与版本 ===== */
.page-home__section--version {
  background: var(--color-bg-soft);
}
.page-home__version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}
.page-home__version-card {
  position: relative;
  padding: var(--sp-5);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-mid) var(--ease-ios), box-shadow var(--dur-mid) var(--ease-ios);
}
.page-home__version-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(11, 27, 61, 0.14);
}
.page-home__version-card--apple {
  border-top: 3px solid var(--color-gold-start);
}
.page-home__version-card--pc {
  border-top: 3px solid var(--color-accent-cyan);
}
.page-home__version-label {
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(17, 24, 39, 0.55);
  margin: 0 0 var(--sp-2);
}
.page-home__version-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--sp-3);
}
.page-home__version-list {
  list-style: none;
  margin: 0 0 var(--sp-4);
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}
.page-home__version-list li {
  position: relative;
  padding-left: var(--sp-4);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.78);
}
.page-home__version-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--gradient-gold);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}
.page-home__version-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-caption);
  font-weight: 700;
  color: var(--color-accent-cyan);
  text-decoration: none;
}
.page-home__version-link::after {
  content: '→';
  transition: transform var(--dur-fast) var(--ease-ios);
}
.page-home__version-link:hover::after {
  transform: translateX(4px);
}
.page-home__version-figure {
  margin: var(--sp-5) 0 0;
}
.page-home__version-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.page-home__version-figure figcaption {
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: rgba(17, 24, 39, 0.6);
  text-align: right;
}

/* ===== 03 服务清单速览 ===== */
.page-home__section--service {
  position: relative;
  background:
    linear-gradient(115deg, rgba(212, 168, 75, 0.06) 0%, transparent 34%),
    var(--color-primary);
  color: #fff;
}
.page-home__section--service::before {
  content: '';
  display: block;
  height: 4px;
  background: var(--gradient-gold);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
.page-home__section--service .page-home__section-heading h2 {
  color: #fff;
}
.page-home__section--service .section-label {
  color: var(--color-gold-end);
}
.page-home__service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}
.page-home__service-intro {
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(232, 238, 245, 0.85);
  margin: 0 0 var(--sp-4);
}
.page-home__service-intro strong {
  color: var(--color-gold-end);
  font-weight: 800;
}
.page-home__service-faq {
  border-top: 1px solid rgba(232, 238, 245, 0.18);
}
.page-home__service-item {
  border-bottom: 1px solid rgba(232, 238, 245, 0.18);
}
.page-home__service-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--sp-4) 0;
  font-size: var(--fs-body);
  font-weight: 700;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  transition: color var(--dur-fast) var(--ease-ios);
}
.page-home__service-item summary::-webkit-details-marker {
  display: none;
}
.page-home__service-item summary:hover {
  color: var(--color-gold-end);
}
.page-home__service-item summary::after {
  content: '+';
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
  color: var(--color-gold-end);
  transition: transform var(--dur-mid) var(--ease-ios);
}
.page-home__service-item[open] summary::after {
  content: '−';
}
.page-home__service-detail {
  padding: 0 0 var(--sp-4);
}
.page-home__service-detail p {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(232, 238, 245, 0.78);
  margin: 0;
  max-width: 56ch;
}
.page-home__service-figure {
  margin: 0;
  align-self: center;
}
.page-home__service-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.22);
}

/* ===== 04 数据与信任 ===== */
.page-home__section--trust {
  background:
    radial-gradient(ellipse at 14% 92%, rgba(212, 168, 75, 0.08) 0%, transparent 50%),
    var(--color-primary-deep);
  color: #fff;
}
.page-home__section--trust .page-home__section-heading h2 {
  color: #fff;
}
.page-home__section--trust .section-label {
  color: var(--color-gold-end);
}
.page-home__trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
.page-home__trust-stat {
  padding: var(--sp-4) var(--sp-3);
  background: rgba(30, 58, 110, 0.5);
  border: 1px solid rgba(212, 168, 75, 0.28);
  border-radius: var(--radius-md);
  text-align: center;
}
.page-home__trust-num {
  display: inline-block;
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-home__trust-unit {
  margin-left: 2px;
  font-size: var(--fs-caption);
  font-weight: 700;
  color: rgba(232, 238, 245, 0.7);
}
.page-home__trust-label {
  margin: var(--sp-2) 0 0;
  font-size: var(--fs-caption);
  color: rgba(232, 238, 245, 0.75);
}
.page-home__trust-figure {
  margin: var(--sp-5) 0 0;
}
.page-home__trust-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-lg);
  opacity: 0.92;
}
.page-home__trust-cert {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.page-home__trust-cert-badge {
  align-self: flex-start;
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary-deep);
  background: var(--gradient-gold);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
}
.page-home__trust-cert-badge--outline {
  background: transparent;
  color: var(--color-gold-end);
  border: 1px solid rgba(212, 168, 75, 0.5);
}
.page-home__trust-cert-text {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(232, 238, 245, 0.8);
  margin: var(--sp-2) 0 0;
  max-width: 70ch;
}

/* ===== 即时导航 ===== */
.page-home__section--junction {
  background: var(--color-bg-white);
}
.page-home__junction-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}
.page-home__junction-card {
  position: relative;
  display: block;
  padding: var(--sp-5);
  background: var(--color-bg-soft);
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--radius-cut);
  border: 1px solid rgba(30, 58, 110, 0.08);
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease-ios), box-shadow var(--dur-mid) var(--ease-ios);
}
.page-home__junction-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient-gold);
}
.page-home__junction-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.page-home__junction-label {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent-cyan);
  margin-bottom: var(--sp-3);
}
.page-home__junction-card h2 {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin: 0 0 var(--sp-2);
  color: var(--color-primary);
}
.page-home__junction-card p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.7);
  margin: 0;
  max-width: 40ch;
}
.page-home__junction-arrow {
  position: absolute;
  right: var(--sp-4);
  bottom: var(--sp-4);
  font-size: 24px;
  font-weight: 300;
  color: var(--color-gold-start);
  transition: transform var(--dur-fast) var(--ease-ios);
}
.page-home__junction-card:hover .page-home__junction-arrow {
  transform: translateX(5px);
}

/* ===== 响应式：平板 ===== */
@media (min-width: 768px) {
  .page-home__hero {
    padding: 0 var(--sp-5) var(--sp-8);
  }
  .page-home__hero-scroll {
    display: flex;
    position: absolute;
    bottom: var(--sp-5);
    left: 50%;
    transform: translateX(-50%);
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-small);
    letter-spacing: 0.28em;
    color: rgba(232, 238, 245, 0.55);
    z-index: 5;
  }
  .page-home__hero-scroll-text {
    writing-mode: vertical-rl;
    font-size: 12px;
  }
  .page-home__hero-scroll-line {
    width: 1px;
    height: 42px;
    background: linear-gradient(180deg, var(--color-gold-start), transparent);
  }

  .page-home__section {
    padding: var(--sp-7) var(--sp-5);
  }
  .page-home__section-num {
    font-size: 64px;
  }

  .page-home__status-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
  }
  .page-home__status-items {
    grid-template-columns: 1fr 1fr;
  }
  .page-home__status-items .page-home__status-item:last-child {
    grid-column: 1 / -1;
  }

  .page-home__version-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }

  .page-home__service-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--sp-6);
  }

  .page-home__trust-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
  }

  .page-home__junction-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-home__junction-card--profile {
    grid-column: 1 / -1;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 1024px) {
  .page-home__hero {
    min-height: 640px;
    display: flex;
    flex-direction: column;
  }
  .page-home__hero-inner {
    flex: 1;
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
    gap: var(--sp-7);
    padding-top: var(--sp-5);
  }
  .page-home__hero-lead {
    font-size: 18px;
  }
  .page-home__hero-visual {
    border-radius: var(--radius-lg);
  }

  .page-home__section {
    padding: var(--sp-8) var(--sp-5);
  }
  .page-home__section-head {
    gap: var(--sp-5);
    margin-bottom: var(--sp-6);
  }
  .page-home__section-num {
    font-size: 88px;
  }

  .page-home__status-grid {
    grid-template-columns: 1fr 1.35fr;
    gap: var(--sp-5);
  }
  .page-home__status-lead {
    padding: var(--sp-6);
  }
  .page-home__status-items {
    grid-template-columns: 1fr 1fr;
  }
  .page-home__status-items .page-home__status-item:last-child {
    grid-column: auto;
  }

  .page-home__version-grid {
    gap: var(--sp-6);
  }
  .page-home__version-card {
    padding: var(--sp-6);
  }

  .page-home__service-grid {
    gap: var(--sp-7);
  }
  .page-home__service-intro {
    font-size: 18px;
  }

  .page-home__trust-grid {
    gap: var(--sp-5);
  }
  .page-home__trust-stat {
    padding: var(--sp-5) var(--sp-4);
  }
  .page-home__trust-cert {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-4);
  }
  .page-home__trust-cert-text {
    margin: 0 0 0 var(--sp-3);
  }

  .page-home__junction-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-home__junction-card--profile {
    grid-column: auto;
  }
}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-home__hero-svg {
    animation: none;
  }
  .page-home__status-item,
  .page-home__version-card,
  .page-home__junction-card {
    transition: none;
  }
}