:root {
  --bg: #0f1735;
  --bg-soft: #182552;
  --paper: #fff9f4;
  --paper-2: #fff3e8;
  --ink: #18203c;
  --muted: #5d6785;
  --line: rgba(24, 32, 60, 0.12);
  --pink: #f05b86;
  --pink-2: #ff88ab;
  --coral: #ff8d5c;
  --gold: #ffcc66;
  --blue: #273e8a;
  --shadow: 0 18px 50px rgba(9, 15, 40, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(240, 91, 134, 0.18), transparent 24%),
    radial-gradient(circle at 85% 15%, rgba(255, 204, 102, 0.18), transparent 22%),
    linear-gradient(180deg, #0f1735 0%, #14224a 22%, #f8f1ea 22%, #f8f1ea 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-position: 0 0, 12px 12px;
  background-size: 24px 24px;
  opacity: 0.18;
  mix-blend-mode: soft-light;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(15, 23, 53, 0.9), rgba(15, 23, 53, 0.68));
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  overflow: hidden;
  flex: 0 0 auto;
  box-shadow: 0 14px 28px rgba(240, 91, 134, 0.24);
}

.brand-text strong {
  display: block;
  font-size: 1.02rem;
  letter-spacing: 0.08em;
}

.brand-text span {
  display: block;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 4px;
}

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

.site-nav a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.96rem;
  padding: 10px 14px;
  border-radius: 999px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: saturate(1.04);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--pink) 0%, var(--coral) 100%);
  box-shadow: 0 12px 24px rgba(240, 91, 134, 0.28);
}

.btn-secondary {
  color: var(--ink);
  background: linear-gradient(135deg, #fff 0%, #fff5ea 100%);
  border: 1px solid rgba(24, 32, 60, 0.08);
}

.page-hero {
  position: relative;
  padding: 56px 0 36px;
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.9fr);
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  background: rgba(255, 255, 255, 0.09);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-title {
  margin: 18px 0 16px;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero-copy p {
  margin: 0;
  max-width: 60ch;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.06rem;
  line-height: 1.8;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 26px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.92rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}

.hero-panel {
  position: relative;
  padding: 18px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 26px 60px rgba(6, 10, 26, 0.24);
  overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero-panel::before {
  width: 180px;
  height: 180px;
  top: -48px;
  right: -40px;
  background: radial-gradient(circle, rgba(255, 204, 102, 0.42), transparent 70%);
}

.hero-panel::after {
  width: 140px;
  height: 140px;
  left: -36px;
  bottom: -40px;
  background: radial-gradient(circle, rgba(240, 91, 134, 0.4), transparent 70%);
}

.phone-frame {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: #0d132d;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 40px rgba(10, 14, 36, 0.34);
}

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

.phone-topbar {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.phone-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 53, 0.72);
  color: #fff;
  font-size: 0.85rem;
  backdrop-filter: blur(12px);
}

.phone-chip strong {
  color: var(--gold);
}

.section {
  padding: 34px 0;
}

.section:last-of-type {
  padding-bottom: 52px;
}

.section-shell {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 247, 240, 0.92));
  border: 1px solid rgba(24, 32, 60, 0.08);
  border-radius: 34px;
  box-shadow: var(--shadow);
  padding: clamp(22px, 3vw, 34px);
}

.section-title {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.section-title h2,
.section-title h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.03em;
}

.section-title p {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.8;
}

.feature-grid,
.stats-grid,
.quote-grid,
.faq-preview-grid,
.content-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.faq-preview-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

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

.card {
  border-radius: 24px;
  background: linear-gradient(180deg, #fff, #fff8f1);
  border: 1px solid rgba(24, 32, 60, 0.08);
  box-shadow: 0 18px 40px rgba(17, 24, 40, 0.06);
}

.feature-card,
.stat-card,
.quote-card,
.link-card,
.faq-card,
.step-card,
.content-card {
  padding: 20px;
}

.feature-icon,
.mini-badge {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, rgba(240, 91, 134, 0.14), rgba(255, 204, 102, 0.14));
  border: 1px solid rgba(24, 32, 60, 0.08);
}

.feature-card h3,
.stat-card strong,
.quote-card strong,
.link-card h3,
.faq-card h3,
.step-card h3,
.content-card h3 {
  margin: 14px 0 8px;
  font-size: 1.1rem;
}

.feature-card p,
.stat-card p,
.quote-card p,
.link-card p,
.faq-card p,
.step-card p,
.content-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.stat-card {
  text-align: center;
}

.stat-card strong {
  display: block;
  margin: 4px 0 8px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--blue);
}

.preview-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 16px;
}

.preview-card {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  border-radius: 28px;
  border: 1px solid rgba(24, 32, 60, 0.08);
  background: linear-gradient(180deg, #fff, #fff4ea);
  box-shadow: 0 20px 40px rgba(17, 24, 40, 0.08);
}

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

.preview-caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(180deg, rgba(15, 23, 53, 0.08), rgba(15, 23, 53, 0.86));
  backdrop-filter: blur(6px);
}

.preview-caption strong {
  display: block;
  margin-bottom: 4px;
}

.preview-caption span {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  font-size: 0.93rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  background: linear-gradient(180deg, #fff9f3, #fff);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.list-check {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-check li {
  position: relative;
  padding-left: 28px;
  margin: 12px 0;
  color: var(--muted);
  line-height: 1.7;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--coral));
  box-shadow: 0 0 0 4px rgba(240, 91, 134, 0.12);
}

.quote-card {
  position: relative;
}

.quote-card::before {
  content: "“";
  position: absolute;
  top: 10px;
  right: 18px;
  font-size: 3.8rem;
  line-height: 1;
  color: rgba(240, 91, 134, 0.18);
}

.quote-card .meta {
  margin-top: 16px;
  color: var(--pink);
  font-weight: 700;
}

.faq-preview {
  display: grid;
  gap: 14px;
}

.faq-preview details,
.accordion-item {
  border-radius: 22px;
  border: 1px solid rgba(24, 32, 60, 0.08);
  background: #fff;
  overflow: hidden;
}

.faq-preview summary,
.accordion-trigger {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-weight: 700;
}

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

.faq-preview .answer,
.accordion-panel {
  padding: 0 20px 18px;
  color: var(--muted);
  line-height: 1.8;
}

.accordion-trigger {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--ink);
}

.accordion-trigger span {
  font-weight: 700;
}

.accordion-trigger em {
  font-style: normal;
  color: var(--pink);
}

.accordion-panel {
  display: none;
}

.accordion-item[data-open="true"] .accordion-panel {
  display: block;
}

.accordion-item[data-open="true"] .accordion-trigger {
  background: linear-gradient(180deg, rgba(240, 91, 134, 0.08), rgba(255, 204, 102, 0.06));
}

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

.step-card {
  background: linear-gradient(180deg, #fff, #fff7f0);
  position: relative;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(240, 91, 134, 0.12);
  color: var(--pink);
  font-weight: 800;
  font-size: 0.85rem;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  align-items: start;
}

.mini-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.mini-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
  background: #fff;
  border: 1px solid rgba(24, 32, 60, 0.08);
}

.mini-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1.2;
  object-fit: cover;
}

.mini-gallery figcaption {
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.94);
}

.breadcrumbs span {
  opacity: 0.54;
}

.article {
  max-width: 900px;
}

.article p,
.article li {
  font-size: 1.02rem;
  line-height: 1.95;
}

.article h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.45rem;
}

.article h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.article ul {
  padding-left: 18px;
}

.footer {
  padding: 28px 0 34px;
  color: rgba(255, 255, 255, 0.82);
}

.footer-shell {
  border-radius: 30px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(15, 23, 53, 0.96), rgba(20, 34, 74, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 22px 50px rgba(8, 12, 28, 0.16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: start;
}

.footer p {
  margin: 0;
  line-height: 1.9;
}

.footer small {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.56);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.footer-links a {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1080px) {
  .hero-grid,
  .split-grid,
  .faq-preview-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .stats-grid,
  .quote-grid,
  .preview-grid,
  .content-grid,
  .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 14px 0;
    min-height: auto;
  }

  .site-nav {
    order: 3;
    width: 100%;
  }

  .feature-grid,
  .stats-grid,
  .quote-grid,
  .preview-grid,
  .content-grid,
  .step-grid,
  .mini-gallery {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding-top: 34px;
  }

  .hero-title {
    line-height: 1.08;
  }

  .section {
    padding: 22px 0;
  }

  .section-shell {
    border-radius: 26px;
    padding: 18px;
  }

  .footer-shell {
    border-radius: 24px;
    padding: 18px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}