:root {
  color-scheme: dark;
  --bg: #0b1022;
  --bg-soft: #131a36;
  --panel: rgba(18, 24, 51, 0.84);
  --panel-2: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f7f3ee;
  --muted: #b9b4c8;
  --accent: #ff5f9b;
  --accent-2: #ff8b57;
  --accent-3: #6de2ff;
  --accent-4: #ffd86b;
  --shadow: 0 24px 72px rgba(4, 7, 18, 0.44);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 95, 155, 0.18), transparent 24%),
    radial-gradient(circle at 83% 18%, rgba(109, 226, 255, 0.14), transparent 22%),
    radial-gradient(circle at 72% 82%, rgba(255, 216, 107, 0.1), transparent 24%),
    linear-gradient(180deg, #091026 0%, #101737 45%, #090d1d 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.75;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 18px 18px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 86%);
  opacity: 0.25;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
a.btn {
  font: inherit;
}

.site-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
}

.skip-link:focus {
  left: 12px;
  z-index: 99;
  background: #fff;
  color: #000;
  padding: 10px 14px;
  border-radius: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(8, 12, 28, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .site-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.brand strong {
  display: block;
  font-size: 1.02rem;
}

.brand span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  position: relative;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow: 0 18px 42px rgba(255, 95, 155, 0.28);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.05);
}

.hero,
.content-section {
  position: relative;
  padding: 40px 0;
}

.hero {
  padding-top: 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: #ffdce8;
  font-size: 0.9rem;
}

.hero h1,
.page-title {
  margin: 16px 0 14px;
  font-size: clamp(2.2rem, 4vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero p.lead,
.section-lead,
.intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fdf7fb;
  font-size: 0.92rem;
}

.hero-panel {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(8, 13, 32, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.8;
}

.hero-panel::before {
  width: 260px;
  height: 260px;
  right: -90px;
  top: -90px;
  background: radial-gradient(circle, rgba(255, 95, 155, 0.42), transparent 65%);
}

.hero-panel::after {
  width: 180px;
  height: 180px;
  left: -70px;
  bottom: -70px;
  background: radial-gradient(circle, rgba(109, 226, 255, 0.28), transparent 65%);
}

.phone-mock {
  position: relative;
  z-index: 1;
  border-radius: 28px;
  background: linear-gradient(180deg, #20274d 0%, #111735 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px;
}

.mock-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 14px;
  color: #cbd0ee;
  font-size: 0.84rem;
}

.mock-dots {
  display: flex;
  gap: 6px;
}

.mock-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.shot-stack {
  display: grid;
  grid-template-columns: 1fr 0.94fr;
  gap: 12px;
}

.shot {
  min-height: 180px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  position: relative;
}

.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shot .caption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 10px 12px;
  border-radius: 16px;
  backdrop-filter: blur(14px);
  background: rgba(5, 9, 22, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
}

.small-card {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mini-stat {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-stat strong {
  display: block;
  font-size: 1.1rem;
}

.mini-stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.feature-card,
.review-card,
.faq-preview,
.info-panel,
.gallery-card,
.deep-link,
.highlight-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.card {
  padding: 22px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 56ch;
}

.feature-card {
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto -20px -24px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 95, 155, 0.16), transparent 70%);
}

.feature-index {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255, 95, 155, 0.18), rgba(255, 216, 107, 0.18));
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}

.feature-card h3,
.deep-link h3,
.highlight-card h3,
.info-panel h3,
.review-card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.feature-card p,
.deep-link p,
.highlight-card p,
.info-panel p,
.review-card p {
  margin: 0;
  color: var(--muted);
}

.feature-card ul,
.list-check {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: #f5eef5;
}

.feature-card li::before,
.list-check li::before {
  content: "•";
  color: var(--accent-4);
  margin-right: 8px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.gallery-card {
  overflow: hidden;
}

.gallery-card figure {
  margin: 0;
  height: 100%;
}

.gallery-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.gallery-card figcaption {
  padding: 16px 18px 18px;
}

.gallery-card strong {
  display: block;
  margin-bottom: 6px;
}

.gallery-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.deep-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.deep-link {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.deep-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 95, 155, 0.18), transparent 38%),
    radial-gradient(circle at 100% 0%, rgba(109, 226, 255, 0.14), transparent 40%);
  pointer-events: none;
}

.deep-link > * {
  position: relative;
  z-index: 1;
}

.deep-link .link-row {
  margin-top: 16px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 18px;
}

.highlight-card {
  padding: 22px;
}

.highlight-card .stat-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tag {
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.review-card {
  padding: 22px;
}

.review-card blockquote {
  margin: 0;
  color: #f6f0f1;
  font-size: 1.02rem;
}

.review-card footer {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.92rem;
}

.faq-teaser {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
}

.info-panel {
  padding: 24px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.faq-item summary {
  list-style: none;
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--accent-4);
  font-weight: 800;
  font-size: 1.3rem;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item .answer {
  padding: 0 20px 18px;
  color: var(--muted);
}

.bottom-cta {
  margin-top: 14px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 95, 155, 0.16), rgba(255, 139, 87, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.bottom-cta .cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.site-footer {
  padding: 26px 0 40px;
}

.footer-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(8, 12, 28, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.92rem;
}

.disclaimer {
  margin-top: 12px;
  color: #d9d4de;
  font-size: 0.92rem;
}

.jsonld {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-title-wrap {
  padding: 34px 0 8px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumb a {
  color: #f1d0de;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 18px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.step {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
}

.step-number {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(255, 95, 155, 0.18), rgba(109, 226, 255, 0.14));
}

.step h3,
.step p {
  margin: 0;
}

.step p {
  color: var(--muted);
}

.aside-stack {
  display: grid;
  gap: 18px;
}

.checklist {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.checklist li {
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #f7f1f4;
}

.faq-page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.faq-page-grid .faq-item summary {
  font-size: 1.02rem;
}

.note-box {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--muted);
}

.inline-link {
  color: #ffd6e7;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 1040px) {
  .hero-grid,
  .article-grid,
  .faq-teaser,
  .highlight-grid,
  .deep-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid,
  .review-grid,
  .grid-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header .site-shell {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    order: 3;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 6px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 14px;
    border-radius: 14px;
  }

  .hero,
  .content-section {
    padding: 26px 0;
  }

  .shot-stack,
  .small-card,
  .gallery-grid,
  .review-grid,
  .grid-6 {
    grid-template-columns: 1fr;
  }

  .section-head,
  .bottom-cta .cta-row,
  .footer-meta {
    align-items: start;
    flex-direction: column;
  }

  .step {
    grid-template-columns: 1fr;
  }
}