:root {
  --graphite: #23202B;
  --graphite-2: #2D2937;
  --graphite-3: #1B1922;
  --rose: #FF6F91;
  --rose-soft: rgba(255, 111, 145, 0.16);
  --cream: #FFF5F7;
  --muted: #B4A9BC;
  --line: rgba(255, 245, 247, 0.12);
  --shell: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--graphite);
  background-image:
    radial-gradient(620px 420px at 88% -6%, rgba(255, 111, 145, 0.16), transparent 64%),
    radial-gradient(460px 340px at 2% 30%, rgba(255, 111, 145, 0.07), transparent 66%);
  color: var(--cream);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; line-height: 1.3; font-weight: 700; }

.page-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(35, 32, 43, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  border: 1px solid rgba(255, 111, 145, 0.5);
  object-fit: cover;
}

.primary-nav { margin-left: auto; }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

.primary-nav a {
  display: inline-block;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.primary-nav a:hover { color: var(--rose); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 9px;
  background: var(--rose);
  color: #2A0F1A;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(255, 111, 145, 0.22);
  transition: background 0.18s ease;
}

.nav-download svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-download:hover { background: #FF87A3; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--graphite-2);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 3px auto;
  border-radius: 2px;
  background: var(--cream);
}

/* ---------- hero ---------- */
.hero {
  padding: 56px 0 52px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 44px;
  align-items: center;
}

.hero-kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--rose);
}

.hero h1 {
  margin: 12px 0 12px;
  font-size: clamp(34px, 4.6vw, 56px);
  letter-spacing: 0.02em;
  line-height: 1.12;
}

.hero-subtitle {
  font-size: clamp(16.5px, 1.85vw, 20px);
  font-weight: 700;
  color: var(--rose);
  letter-spacing: 0.02em;
}

.hero-lead {
  margin-top: 16px;
  max-width: 460px;
  font-size: 15.2px;
  color: var(--muted);
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  background: var(--rose);
  color: #2A0F1A;
  box-shadow: 0 14px 28px rgba(255, 111, 145, 0.26);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(255, 111, 145, 0.32);
}

.button-large { padding: 14px 26px; font-size: 16px; }

.text-link {
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.text-link:hover { color: var(--rose); }

.hero-tags {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.hero-tags li {
  padding: 3px 11px;
  border-radius: 6px;
  background: rgba(255, 245, 247, 0.05);
  border: 1px solid var(--line);
}

.hero-tags b { color: var(--rose); }

/* ---------- hero wish wall ---------- */
.wish-wall {
  padding: 16px 16px 12px;
  border-radius: 16px;
  background: linear-gradient(170deg, rgba(255, 111, 145, 0.14), rgba(27, 25, 34, 0.72) 58%);
  border: 1px solid rgba(255, 111, 145, 0.3);
}

.wish-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 0 2px 10px;
}

.wish-head p {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.wish-head span {
  font-size: 11px;
  color: var(--rose);
}

.wish-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 6px 4px 8px;
}

.wish-notes li {
  position: relative;
  min-height: 96px;
  padding: 18px 13px 11px;
  border-radius: 3px;
  background: var(--cream);
  color: #3A2A33;
  box-shadow: 0 10px 20px rgba(12, 8, 14, 0.34);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
}

.wish-notes li::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -1px;
  width: 34px;
  height: 9px;
  background: rgba(255, 111, 145, 0.5);
  transform: translateX(-50%);
}

.wish-notes .note-a { transform: rotate(-2deg); }
.wish-notes .note-b { transform: rotate(1.6deg); background: #FFE9EE; }
.wish-notes .note-c { transform: rotate(1.8deg); background: #FFE9EE; }
.wish-notes .note-d { transform: rotate(-1.4deg); }

.wish-notes p {
  font-size: 12.8px;
  font-weight: 700;
  line-height: 1.55;
}

.wish-notes small {
  font-size: 10.5px;
  color: #8B6A76;
  text-align: right;
}

.wish-foot {
  padding: 8px 2px 0;
  border-top: 1px dashed var(--line);
  font-size: 10.5px;
  color: var(--muted);
}

/* ---------- section shared ---------- */
section { padding: 52px 0; }

.section-heading {
  max-width: 660px;
  margin-bottom: 26px;
}

.section-heading .eyebrow {
  display: inline-block;
  margin-bottom: 9px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--rose);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cream);
}

.section-heading h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: 0.01em;
}

.section-heading p:last-child {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.section-heading-split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
}

.section-heading-split > p {
  margin: 0 0 5px;
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- features ---------- */
.features {
  background: var(--graphite-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.wish-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
}

.wish-grid article {
  padding: 20px 17px 18px;
  border-radius: 10px;
  background: rgba(27, 25, 34, 0.72);
  border: 1px solid var(--line);
  border-top: 2px solid rgba(255, 111, 145, 0.6);
}

.wish-grid span {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--rose);
}

.wish-grid h3 {
  font-size: 16.5px;
  margin-bottom: 6px;
}

.wish-grid p {
  font-size: 13.3px;
  color: var(--muted);
}

/* ---------- shots ---------- */
.wish-shots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
}

.wish-shots figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  background: var(--graphite-2);
  border: 1px solid var(--line);
  box-shadow: 0 16px 30px rgba(10, 6, 12, 0.36);
}

.wish-shots img {
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top center;
  background: var(--graphite-3);
}

.wish-shots figcaption {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 12px 10px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  font-weight: 700;
}

.wish-shots figcaption b {
  font-size: 10.5px;
  color: var(--rose);
}

.wish-shots figcaption small {
  margin-left: auto;
  font-weight: 400;
  font-size: 10.5px;
  color: var(--muted);
}

.sample-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- faq ---------- */
.faq {
  background: var(--graphite-3);
  border-top: 1px solid var(--line);
}

.w-faq-list {
  display: grid;
  gap: 8px;
  max-width: 940px;
}

.w-faq-list details {
  padding: 0 18px;
  border-radius: 9px;
  background: var(--graphite-2);
  border: 1px solid var(--line);
  border-left: 3px solid rgba(255, 111, 145, 0.32);
}

.w-faq-list details[open] {
  border-left-color: var(--rose);
  background: #2C2735;
}

.w-faq-list summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
}

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

.w-faq-list summary h3 {
  flex: 1;
  font-size: 15px;
  font-weight: 700;
}

.w-faq-list summary i {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: var(--rose-soft);
}

.w-faq-list summary i::before,
.w-faq-list summary i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--rose);
  border-radius: 1px;
  transform: translate(-50%, -50%);
}

.w-faq-list summary i::before { width: 9px; height: 2px; }
.w-faq-list summary i::after { width: 2px; height: 9px; transition: opacity 0.2s ease; }
.w-faq-list details[open] summary i::after { opacity: 0; }

.w-faq-list details > p {
  padding: 11px 0 15px;
  border-top: 1px dashed var(--line);
  font-size: 13.7px;
  color: #D8CBD8;
}

/* ---------- reviews ---------- */
.reviews {
  background: var(--graphite);
  border-top: 1px solid var(--line);
}

.w-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.w-notes .review-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  padding: 17px 17px 13px;
  border-radius: 10px;
  background: var(--graphite-2);
  border: 1px solid var(--line);
  border-bottom: 2px solid rgba(255, 111, 145, 0.4);
}

.w-notes .review-card > p {
  font-size: 13.4px;
  color: #E3D7E4;
}

.review-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  font-size: 10.5px;
  color: var(--muted);
}

.review-meta b {
  font-size: 12px;
  color: var(--rose);
}

/* ---------- steps ---------- */
.w-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}

.w-steps li {
  padding: 18px 18px 20px;
  border-radius: 10px;
  background: linear-gradient(160deg, rgba(255, 111, 145, 0.1), rgba(45, 41, 55, 0.9) 62%);
  border: 1px solid var(--line);
}

.w-steps span {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--rose);
}

.w-steps h3 { font-size: 17px; }

.w-steps p {
  margin-top: 4px;
  font-size: 13.3px;
  color: var(--muted);
}

/* ---------- download ---------- */
.download { padding-bottom: 62px; }

.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px;
  border-radius: 16px;
  background:
    radial-gradient(420px 240px at 92% 0%, rgba(255, 111, 145, 0.28), transparent 64%),
    var(--graphite-2);
  border: 1px solid rgba(255, 111, 145, 0.34);
}

.download-copy { max-width: 520px; }

.download-copy .eyebrow {
  display: block;
  margin-bottom: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--rose);
}

.download-copy h2 {
  font-size: clamp(22px, 2.5vw, 29px);
  margin-bottom: 8px;
}

.download-copy p {
  font-size: 14.2px;
  color: var(--muted);
}

.download-act {
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 14px;
  font-size: 11.5px;
  color: var(--muted);
}

.download-notes li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.download-notes li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--rose);
}

/* ---------- footer ---------- */
.site-footer {
  padding: 32px 0 28px;
  background: #171520;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 20px 30px;
  align-items: start;
}

.footer-brand strong {
  display: block;
  font-size: 17px;
  color: var(--rose);
}

.footer-brand p {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
  color: var(--muted);
}

.footer-nav a:hover { color: var(--rose); }

.footer-meta {
  font-size: 12.5px;
  color: var(--muted);
  text-align: right;
}

.footer-meta a:hover { color: var(--rose); }

.disclaimer {
  grid-column: 1 / -1;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: #8C8195;
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .wish-wall { max-width: 520px; }
  .wish-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wish-shots { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .w-notes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-meta { text-align: left; }
  .download-panel { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 900px) {
  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    display: none;
    background: var(--graphite-2);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 14px;
  }

  .primary-nav.is-open { display: block; }

  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    font-size: 15px;
  }

  .primary-nav li { width: 100%; }

  .primary-nav a {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-shell { position: relative; flex-wrap: wrap; }
  .primary-nav { order: 4; flex-basis: 100%; }
  .nav-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .nav-download span { display: none; }
  .nav-download { padding: 9px 11px; }
}

@media (max-width: 640px) {
  .page-shell, .nav-shell { padding-left: 18px; padding-right: 18px; }
  section { padding: 40px 0; }
  .hero { padding: 38px 0 34px; }
  .wish-grid { grid-template-columns: minmax(0, 1fr); }
  .w-notes { grid-template-columns: minmax(0, 1fr); }
  .w-steps { grid-template-columns: minmax(0, 1fr); }
  .section-heading-split { flex-direction: column; align-items: flex-start; gap: 5px; }
  .section-heading-split > p { white-space: normal; }
  .download-panel { padding: 24px 18px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .download-act { width: 100%; }
  .download-act .button { width: 100%; justify-content: center; }
}

@media (max-width: 400px) {
  .wish-shots { grid-template-columns: minmax(0, 1fr); }
  .brand span { font-size: 14.5px; }
  .hero h1 { font-size: 31px; }
  .wish-wall { padding: 12px 12px 10px; }
  .wish-notes li { min-height: 88px; padding: 16px 11px 10px; }
  .wish-notes p { font-size: 12px; }
}