:root {
  --bg: #f7f1ea;
  --bg-soft: #fff8f1;
  --card: rgba(255, 255, 255, 0.82);
  --card-strong: #ffffff;
  --line: rgba(57, 41, 78, 0.12);
  --text: #241d2d;
  --muted: #665d72;
  --brand: #ff6a59;
  --brand-deep: #7b4dff;
  --brand-ink: #22233d;
  --brand-gold: #ffb44c;
  --shadow: 0 26px 70px rgba(42, 24, 58, 0.14);
  --shadow-soft: 0 18px 40px rgba(42, 24, 58, 0.08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1160px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 106, 89, 0.12), transparent 23%),
    radial-gradient(circle at 84% 16%, rgba(123, 77, 255, 0.10), transparent 24%),
    radial-gradient(circle at 30% 86%, rgba(255, 180, 76, 0.13), transparent 26%),
    linear-gradient(180deg, #fffaf5 0%, #f7f1ea 48%, #f4ede7 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 29, 45, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 29, 45, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.02));
  opacity: 0.55;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(252, 247, 241, 0.78);
  border-bottom: 1px solid rgba(86, 58, 96, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--brand-ink);
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(255, 106, 89, 0.28);
  flex: 0 0 auto;
}

.brand-name {
  font-size: 1.12rem;
}

.brand-sub {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.84rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(54, 33, 74, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
  color: var(--brand-ink);
}

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

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

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

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 15px;
  border-radius: 999px;
  color: var(--brand-ink);
  font-weight: 700;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(123, 77, 255, 0.11);
  color: var(--brand-deep);
  transform: translateY(-1px);
  outline: none;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand) 0%, #ff8a59 100%);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(255, 106, 89, 0.28);
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(255, 106, 89, 0.34);
  outline: none;
}

.hero {
  padding: 52px 0 20px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(123, 77, 255, 0.09);
  color: var(--brand-deep);
  font-size: 0.92rem;
  font-weight: 800;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--brand-ink);
}

.hero-lead {
  max-width: 42rem;
  margin: 18px 0 0;
  font-size: 1.08rem;
  line-height: 1.9;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #ff8a59 100%);
  color: #fff;
  box-shadow: 0 16px 28px rgba(255, 106, 89, 0.26);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 20px 34px rgba(255, 106, 89, 0.32);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--brand-ink);
  border-color: rgba(63, 45, 84, 0.13);
  box-shadow: var(--shadow-soft);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.meta-card {
  padding: 16px 16px 15px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(58, 40, 68, 0.08);
  box-shadow: 0 10px 22px rgba(42, 24, 58, 0.05);
}

.meta-card strong {
  display: block;
  font-size: 1.02rem;
  color: var(--brand-ink);
}

.meta-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.94rem;
}

.showcase {
  position: relative;
}

.showcase-shell {
  position: relative;
  min-height: 620px;
}

.hero-card {
  position: absolute;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 246, 238, 0.92));
  border: 1px solid rgba(60, 39, 66, 0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 106, 89, 0.10), transparent 38%, rgba(123, 77, 255, 0.10));
  pointer-events: none;
}

.hero-card figure {
  margin: 0;
}

.hero-card img {
  width: 100%;
  height: auto;
}

.hero-card .caption {
  padding: 14px 18px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.hero-card.main {
  left: 44px;
  top: 0;
  width: min(100%, 400px);
  transform: rotate(-5deg);
}

.hero-card.side-a {
  right: 6px;
  top: 108px;
  width: min(100%, 230px);
  transform: rotate(7deg);
}

.hero-card.side-b {
  left: 0;
  bottom: 30px;
  width: min(100%, 250px);
  transform: rotate(4deg);
}

.hero-chip {
  position: absolute;
  right: 24px;
  bottom: 0;
  display: grid;
  gap: 10px;
  width: 184px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(58, 40, 68, 0.08);
  box-shadow: var(--shadow-soft);
  color: var(--brand-ink);
  font-weight: 700;
}

.chip i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  box-shadow: 0 0 0 5px rgba(255, 106, 89, 0.13);
}

.section {
  padding: 24px 0 34px;
}

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

.section-head h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2vw, 2.15rem);
  color: var(--brand-ink);
}

.section-head p {
  margin: 0;
  max-width: 48rem;
  color: var(--muted);
  line-height: 1.8;
}

.panel {
  position: relative;
  padding: 24px;
  border-radius: var(--radius-xl);
  background: var(--card);
  border: 1px solid rgba(60, 39, 66, 0.09);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.panel.accent {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(255, 248, 243, 0.84)),
    linear-gradient(135deg, rgba(255, 106, 89, 0.10), rgba(123, 77, 255, 0.10));
}

.panel-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--brand-ink);
  font-size: 1.05rem;
  font-weight: 800;
}

.panel-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  box-shadow: 0 0 0 5px rgba(255, 106, 89, 0.1);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  position: relative;
  padding: 22px 18px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(61, 41, 72, 0.09);
  box-shadow: 0 12px 28px rgba(42, 24, 58, 0.06);
  min-height: 178px;
}

.feature-card h3 {
  margin: 12px 0 10px;
  font-size: 1.08rem;
  color: var(--brand-ink);
}

.feature-card p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
  font-size: 0.96rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255, 106, 89, 0.16), rgba(123, 77, 255, 0.16));
  color: var(--brand-deep);
  font-weight: 900;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto 14px 14px auto;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: radial-gradient(circle, rgba(255, 106, 89, 0.18), transparent 70%);
  opacity: 0.8;
}

.shots-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

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

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

.shot-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(61, 41, 72, 0.08);
  box-shadow: var(--shadow-soft);
}

.shot-card .label {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(123, 77, 255, 0.09);
  color: var(--brand-deep);
  font-size: 0.84rem;
  font-weight: 800;
}

.shot-card h3 {
  margin: 0 0 10px;
  font-size: 1.04rem;
  color: var(--brand-ink);
}

.shot-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.shot-frame {
  width: min(100%, 400px);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(61, 41, 72, 0.09);
  box-shadow: 0 16px 30px rgba(42, 24, 58, 0.12);
  background: #fff;
}

.shot-frame img {
  width: 100%;
  height: auto;
}

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

.guide-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 18px;
}

.guide-steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(60, 39, 66, 0.08);
}

.step-num {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand) 0%, #ff8d63 100%);
  color: #fff;
  font-size: 1.08rem;
  font-weight: 900;
  box-shadow: 0 12px 22px rgba(255, 106, 89, 0.24);
}

.step h3 {
  margin: 0 0 6px;
  color: var(--brand-ink);
}

.step p,
.guide-copy p,
.faq-copy p,
.content-copy p {
  margin: 0;
  line-height: 1.9;
  color: var(--muted);
}

.guide-copy,
.faq-copy,
.content-copy {
  display: grid;
  gap: 18px;
}

.callout {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 106, 89, 0.10), rgba(123, 77, 255, 0.08));
  border: 1px solid rgba(123, 77, 255, 0.12);
  color: var(--brand-ink);
  line-height: 1.85;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.inline-links a,
.tag-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(61, 41, 72, 0.09);
  color: var(--brand-ink);
  font-weight: 700;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stat-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(61, 41, 72, 0.08);
}

.stat-card strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--brand-ink);
}

.stat-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.8;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quote-card {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 248, 243, 0.92));
  border: 1px solid rgba(61, 41, 72, 0.08);
  box-shadow: var(--shadow-soft);
}

.quote-card::before {
  content: "“";
  position: absolute;
  top: 14px;
  left: 16px;
  color: rgba(255, 106, 89, 0.18);
  font-size: 3.6rem;
  line-height: 1;
  font-family: Georgia, serif;
}

.quote-card p {
  position: relative;
  margin: 26px 0 16px;
  line-height: 1.9;
  color: var(--brand-ink);
}

.quote-card .who {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

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

.faq-item {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(61, 41, 72, 0.08);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-weight: 800;
  color: var(--brand-ink);
}

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

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(123, 77, 255, 0.10);
  color: var(--brand-deep);
  font-size: 1rem;
  font-weight: 900;
}

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

.faq-answer {
  padding: 0 20px 18px;
  color: var(--muted);
  line-height: 1.9;
}

.content-copy h2,
.content-copy h3 {
  margin: 0;
  color: var(--brand-ink);
}

.content-copy h3 {
  margin-top: 6px;
  font-size: 1.04rem;
}

.content-copy ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.9;
}

.subgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.footer {
  margin-top: 24px;
  padding: 28px 0 38px;
}

.footer-panel {
  padding: 24px;
  border-radius: var(--radius-xl);
  background: rgba(34, 35, 61, 0.96);
  color: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.footer-panel p,
.footer-panel a {
  color: rgba(255, 255, 255, 0.86);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-note {
  max-width: 58rem;
  margin: 16px 0 0;
  line-height: 1.9;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
}

.legal {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  line-height: 1.8;
}

.download-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.download-strip .strip-copy {
  max-width: 58rem;
}

.download-strip h2 {
  margin: 0 0 8px;
  color: var(--brand-ink);
}

.download-strip p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.download-strip .btn-primary {
  min-width: 156px;
}

.body-top-space {
  padding-top: 10px;
}

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

.nowrap {
  white-space: nowrap;
}

.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

.section.tight {
  padding-top: 14px;
}

.anchor {
  scroll-margin-top: 104px;
}

@media (max-width: 1080px) {
  .hero-grid,
  .guide-grid,
  .shots-grid {
    grid-template-columns: 1fr;
  }

  .hero-card.main {
    position: relative;
    left: 0;
    top: 0;
    width: min(100%, 400px);
    transform: rotate(-3deg);
    margin: 0 auto;
  }

  .hero-card.side-a {
    right: 18px;
  }

  .hero-card.side-b {
    left: 14px;
  }

  .showcase-shell {
    min-height: 540px;
  }

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

@media (max-width: 820px) {
  .header-inner {
    min-height: 74px;
  }

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

  .site-nav {
    position: absolute;
    top: 82px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 14px;
    padding: 16px;
    border-radius: 22px;
    background: rgba(255, 250, 245, 0.96);
    border: 1px solid rgba(61, 41, 72, 0.08);
    box-shadow: var(--shadow);
    transform-origin: top center;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .site-nav.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    display: grid;
    gap: 8px;
  }

  .nav-links a {
    justify-content: center;
    background: rgba(123, 77, 255, 0.06);
  }

  .nav-cta {
    width: 100%;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-meta,
  .feature-grid,
  .stats-grid,
  .quote-grid,
  .shot-grid,
  .subgrid,
  .shot-row {
    grid-template-columns: 1fr;
  }

  .section-head,
  .download-strip,
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card.side-a {
    right: 0;
    top: 96px;
  }

  .hero-card.side-b {
    left: 0;
    bottom: 12px;
  }

  .showcase-shell {
    min-height: 620px;
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .panel,
  .footer-panel,
  .feature-card,
  .shot-card,
  .step,
  .stat-card,
  .quote-card {
    padding: 18px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.8rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-card.main {
    width: min(100%, 380px);
  }

  .showcase-shell {
    min-height: 560px;
  }

  .hero-chip {
    width: 100%;
    position: static;
    margin-top: 16px;
  }

  .hero-card.side-a,
  .hero-card.side-b {
    position: relative;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    transform: rotate(0);
    width: min(100%, 320px);
    margin: 14px auto 0;
  }

  .showcase-shell {
    display: grid;
    gap: 14px;
    min-height: auto;
  }

  .shot-frame {
    width: 100%;
  }
}