/* moonmeets.com — W1 月下 (画布「官网 · 精准匹配」V46): cream paper, serif headings, the moon and the red thread. */
@font-face { font-family: "MM Serif"; font-weight: 600; font-display: swap; src: url("fonts/serif-600.woff2") format("woff2"); }

:root {
  --paper: #FFF8F4;
  --blush: #FCEFE9;
  --ink: #111111;
  --ink2: #525252;
  --muted: #8C8580;
  --line: #EDE3DE;
  --rose: #FF3355;
  --moon: #F6E7C8;
  --serif: "MM Serif", "Songti SC", "Noto Serif SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --gutter: 120px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.8 var(--sans); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
h1, h2, h3, p { margin: 0; }
.serif { font-family: var(--serif); }
.wrap { max-width: calc(1200px + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow { font-size: 14px; letter-spacing: 0.18em; color: var(--muted); }
.lead { font-size: 17px; line-height: 1.85; color: var(--ink2); }
section[id] { scroll-margin-top: 24px; }

/* ---------- nav ---------- */
.nav { position: relative; z-index: 2; display: flex; align-items: center; gap: 12px; height: 108px; }
.brand { display: flex; align-items: center; gap: 12px; }
.avatar { flex: none; width: 36px; height: 36px; border-radius: 50%; background: #FFE3DE; overflow: hidden; }
.avatar img { width: 100%; height: 100%; }
.brand-name { font: 600 20px/1 var(--serif); letter-spacing: 0.08em; }
.brand-en { margin-left: 6px; font-size: 13px; color: var(--muted); }
.nav-links { margin-left: auto; display: flex; gap: 36px; font-size: 15px; color: var(--ink2); }
.nav-links a:hover { color: var(--ink); }
.menu-btn { display: none; margin-left: auto; width: 40px; height: 40px; border: 0; padding: 9px; background: none; color: var(--ink); cursor: pointer; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 620px) minmax(0, 1fr); gap: 40px; align-items: center; padding-block: 40px 120px; }
.hero h1 { margin-top: 22px; font: 600 64px/1.32 var(--serif); letter-spacing: 0.02em; }
.hero h1 em { font-style: normal; color: var(--rose); }
.hero .lead { margin-top: 28px; max-width: 520px; font-size: 19px; }
.cta { margin-top: 44px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.store { display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 22px; border-radius: 14px; background: var(--ink); color: #FFFFFF; font-size: 15px; font-weight: 600; white-space: nowrap; cursor: default; }
.age { font-size: 14px; color: var(--muted); }
.art { position: relative; width: 100%; max-width: 600px; aspect-ratio: 600 / 520; justify-self: end; }
.art .moon { position: absolute; left: 20%; top: 0; width: 76.667%; height: auto; }
.art .thread { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; font-family: var(--sans); }
.thread path { stroke-dasharray: 1; stroke-dashoffset: 0; animation: draw 2.2s 0.5s cubic-bezier(0.55, 0, 0.35, 1) both; }
/* Each dot pops in place (scaled around its own centre): 你 first, then TA the moment the thread reaches it. */
.thread circle { transform-box: fill-box; transform-origin: center; animation: dot 0.45s 0.1s cubic-bezier(0.3, 1.6, 0.5, 1) both; }
.thread circle:last-of-type { animation-delay: 2.65s; }
@keyframes draw { from { stroke-dashoffset: 1; } }
@keyframes dot { from { opacity: 0; transform: scale(0); } }
@media (prefers-reduced-motion: reduce) { .thread path, .thread circle { animation: none; } }

/* ---------- how she picks (showcase) ---------- */
.how { background: linear-gradient(var(--paper), var(--blush) 22%, var(--blush) 78%, var(--paper)); padding: 100px 0 120px; }
.how-head { text-align: center; }
.how h2 { margin-top: 14px; font: 600 40px/1.4 var(--serif); }
.how-head .lead { margin: 18px auto 0; max-width: 720px; }
.screens { margin: 64px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; align-items: start; }
.screens li { display: flex; flex-direction: column; align-items: center; text-align: center; }
.screens li:nth-child(even) { margin-top: 60px; }
.phone { width: 100%; max-width: 271px; padding: 7px; border-radius: 42px; background: #161616; box-shadow: 0 40px 80px rgba(80, 40, 30, 0.18), 0 8px 20px rgba(80, 40, 30, 0.08); }
.phone img { width: 100%; height: auto; aspect-ratio: 390 / 844; border-radius: 35px; }
.screens h3 { margin-top: 30px; font: 600 22px/1.4 var(--serif); }
.screens h3 span { margin-right: 8px; color: var(--rose); }
.screens p { margin-top: 8px; max-width: 250px; font-size: 15px; line-height: 1.75; color: var(--ink2); }

/* ---------- safety ---------- */
.safety { padding-top: 120px; }
.safety h2, .about h2 { font: 600 36px/1.4 var(--serif); }
.safety .lead { margin-top: 16px; }
.pillars { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.pillars > div { padding-top: 22px; border-top: 2px solid var(--ink); }
.pillars h3 { font-size: 18px; font-weight: 600; }
.pillars p { margin-top: 10px; font-size: 15px; line-height: 1.8; color: var(--ink2); }

/* ---------- about & contact ---------- */
.about { padding-block: 140px 120px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 120px; }
.about .lead { margin-top: 22px; line-height: 1.95; }
.contact h2 { font: 600 22px/1.4 var(--serif); }
.contact dl { margin: 14px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 0; font-size: 16px; line-height: 1.8; color: var(--ink2); }
.contact dt::after { content: "："; }
.contact dd { margin: 0; }
.contact a { color: var(--ink); border-bottom: 1px solid var(--line); }
.contact a:hover { border-color: var(--rose); }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); }
.foot .wrap { min-height: 120px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; padding-top: 24px; padding-bottom: 24px; font-size: 13px; color: var(--muted); }
.foot .links { margin-left: auto; display: flex; gap: 28px; }
.foot a:hover { color: var(--ink); }

/* ---------- inner pages (帮助、隐私政策、用户协议) ---------- */
.doc { max-width: 720px; margin: 0 auto; padding: 32px 24px 96px; }
.doc h1 { font: 600 40px/1.4 var(--serif); }
.doc .meta { margin-top: 8px; font-size: 13px; color: var(--muted); }
.doc h2 { margin: 48px 0 12px; font: 600 22px/1.5 var(--serif); }
.doc h3 { margin: 32px 0 6px; font-size: 17px; font-weight: 600; }
.doc p, .doc li { font-size: 16px; line-height: 1.9; color: #333333; }
.doc p + p { margin-top: 12px; }
.doc ul { margin: 12px 0; padding-left: 20px; }
.doc li + li { margin-top: 6px; }
.doc strong { color: var(--rose); font-weight: 600; }
.doc a { color: var(--ink); border-bottom: 1px solid var(--rose); }
.doc table { width: 100%; margin: 12px 0; border-collapse: collapse; font-size: 14px; line-height: 1.75; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--muted); font-weight: 500; }
.doc td:first-child { width: 34%; }
.faq { margin-top: 40px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; align-items: center; gap: 16px; padding: 20px 0; font-size: 17px; font-weight: 600; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; margin-left: auto; width: 9px; height: 9px; border: solid var(--muted); border-width: 0 1.6px 1.6px 0; transform: rotate(45deg) translate(-3px, -3px); transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
.faq details > div { padding: 0 32px 22px 0; }
.ask { margin-top: 56px; padding: 28px; border-radius: 20px; background: var(--blush); }
.doc .ask h2 { margin: 0; }
.ask p { margin-top: 8px; }

/* ---------- tablet ---------- */
@media (max-width: 1180px) {
  :root { --gutter: 56px; }
  .hero h1 { font-size: 52px; }
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
  .screens { grid-template-columns: repeat(2, minmax(0, 300px)); justify-content: center; column-gap: 72px; row-gap: 72px; }
  .screens li:nth-child(even) { margin-top: 0; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .about { gap: 64px; }
}

/* ---------- phone ---------- */
@media (max-width: 760px) {
  :root { --gutter: 24px; }
  body { font-size: 15px; }
  .nav { height: 72px; gap: 8px; }
  .avatar { width: 28px; height: 28px; }
  .brand { gap: 8px; }
  .brand-name { font-size: 17px; }
  .brand-en { display: none; }
  .menu-btn { display: block; margin-right: -9px; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 20px; border-radius: 18px; background: #FFFFFF; box-shadow: 0 20px 50px rgba(80, 40, 30, 0.14); font-size: 16px; }
  .nav.open .nav-links { display: flex; }
  .nav-links a { padding: 14px 4px; }
  .nav-links a + a { border-top: 1px solid var(--line); }

  .hero { grid-template-columns: 1fr; gap: 28px; padding-block: 0 72px; }
  .art { order: -1; max-width: 280px; aspect-ratio: 1; justify-self: center; margin-top: 8px; }
  .art .moon { left: 0; width: 100%; }
  .thread { display: none; }
  .eyebrow { font-size: 12px; letter-spacing: 0.16em; }
  .hero h1 { margin-top: 14px; font-size: 36px; line-height: 1.42; }
  .hero .lead { margin-top: 18px; font-size: 16px; }
  .cta { margin-top: 26px; }
  .age { font-size: 13px; }

  .how { padding: 56px 0 64px; }
  .how-head { text-align: left; }
  .how h2 { margin-top: 10px; font-size: 26px; }
  .how-head .lead { margin: 10px 0 0; font-size: 14px; line-height: 1.8; }
  .screens { margin: 36px calc(-1 * var(--gutter)) 0; padding: 0 var(--gutter) 24px; display: flex; justify-content: flex-start; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--gutter); scrollbar-width: none; }
  .screens::-webkit-scrollbar { display: none; }
  .screens li { flex: none; width: 236px; scroll-snap-align: start; }
  .phone { padding: 6px; border-radius: 36px; }
  .phone img { border-radius: 30px; }
  .screens h3 { margin-top: 20px; font-size: 18px; }
  .screens h3 span { margin-right: 6px; }
  .screens p { margin-top: 6px; font-size: 13px; line-height: 1.7; }

  .safety { padding-top: 56px; }
  .safety h2, .about h2 { font-size: 26px; }
  .safety .lead { margin-top: 10px; font-size: 15px; }
  .pillars { margin-top: 18px; grid-template-columns: 1fr; gap: 0; }
  .pillars > div { padding: 16px 0; border-top: 1px solid var(--line); }
  .pillars h3 { font-size: 16px; }
  .pillars p { margin-top: 6px; font-size: 14px; line-height: 1.75; }

  .about { grid-template-columns: 1fr; gap: 36px; padding-block: 64px 56px; }
  .about .lead { margin-top: 12px; font-size: 15px; line-height: 1.9; }
  .contact h2 { font-size: 19px; }
  .contact dl { font-size: 14px; line-height: 1.9; }

  .foot .wrap { flex-direction: column; align-items: flex-start; gap: 4px; padding-top: 18px; padding-bottom: 32px; font-size: 12px; line-height: 2; }
  .foot .links { order: -1; margin-left: 0; gap: 18px; }

  .doc { padding: 16px 20px 72px; }
  .doc h1 { font-size: 28px; }
  .doc h2 { margin-top: 36px; font-size: 19px; }
  .doc p, .doc li { font-size: 15px; }
  .doc td:first-child { width: 38%; }
  .faq summary { font-size: 16px; padding: 18px 0; }
  .faq details > div { padding-right: 0; }
}