/* MoqWin / 贸启盈 — static site styles. No external resources. */
:root {
  --teal: #0F9F8F;
  --teal-dark: #0A7368;
  --blue: #1D5FD6;
  --gold: #FDE68A;
  --gold-dark: #8A6A00;
  --ink: #0F1E2E;
  --ink-2: #3D4B5C;
  --muted: #5B6878;
  --line: #E2E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F4F8FB;
  --card: #FFFFFF;
  --link: #1550B8;
  --grad: linear-gradient(135deg, #0F9F8F 0%, #1D5FD6 100%);
  --grad-btn: linear-gradient(135deg, #0A7F72 0%, #1D5FD6 100%);
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 30, 46, .06), 0 8px 24px rgba(15, 30, 46, .06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC",
    "Source Han Sans SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #E8EEF5;
    --ink-2: #C3CDD9;
    --muted: #9AA7B6;
    --line: #26354A;
    --bg: #0C1522;
    --bg-soft: #111D2E;
    --card: #142236;
    --link: #7FB0FF;
    --gold-dark: #FDE68A;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  overflow-wrap: break-word;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid #F5B400; outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.3; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }

.skip {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 8px;
}
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 12px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; }
.brand img { width: 34px; height: 34px; }
.brand .name { font-size: 18px; letter-spacing: .01em; }
.brand .name small { font-weight: 500; color: var(--muted); font-size: 14px; margin-left: 6px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a {
  color: var(--ink-2); text-decoration: none; font-size: 15px;
  padding: 6px 10px; border-radius: 8px;
}
.nav a:hover { background: var(--bg-soft); color: var(--ink); }
.nav .lang {
  border: 1px solid var(--line); font-weight: 600; color: var(--ink);
}
.nav .opt { display: none; }
@media (min-width: 760px) { .nav .opt { display: inline-block; } }
@media (max-width: 400px) { .brand .name small { display: none; } }

/* ---------- hero ---------- */
.hero {
  background: var(--grad);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: auto -20% -60% auto; width: 70%; aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(253, 230, 138, .22), transparent);
  pointer-events: none;
}
.hero .wrap {
  display: grid; gap: 36px; padding-top: 44px; padding-bottom: 56px;
  position: relative; z-index: 1;
}
@media (min-width: 900px) {
  .hero .wrap { grid-template-columns: 1.15fr .85fr; align-items: center; padding-top: 72px; padding-bottom: 84px; }
}
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .04em;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(30px, 7.4vw, 50px); font-weight: 800; margin-bottom: 16px; }
.hero h1 .gold { color: var(--gold); }
.hero .lead { font-size: clamp(16px, 2.6vw, 19px); color: rgba(255, 255, 255, .94); max-width: 34em; }
.chips { list-style: none; padding: 0; margin: 20px 0 26px; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  font-size: 14px; padding: 4px 12px; border-radius: 999px;
  background: rgba(8, 30, 60, .22); border: 1px solid rgba(255, 255, 255, .22);
}
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Play badge placeholder */
.play-badge {
  display: inline-flex; align-items: center; gap: 12px;
  background: #000; color: #fff; text-decoration: none;
  border: 1px solid rgba(255, 255, 255, .5); border-radius: 10px;
  padding: 8px 18px 8px 14px; min-height: 54px;
}
.play-badge svg { width: 26px; height: 26px; flex: none; }
.play-badge .t { display: flex; flex-direction: column; line-height: 1.15; }
.play-badge .t small { font-size: 11px; letter-spacing: .03em; opacity: .85; }
.play-badge .t strong { font-size: 18px; font-weight: 600; }
.play-badge[aria-disabled="true"] { cursor: default; }
.cta .note { font-size: 14px; color: rgba(255, 255, 255, .9); }

.btn-ghost {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 18px;
  color: #fff; text-decoration: none; font-weight: 600;
  border: 1px solid rgba(255, 255, 255, .55); border-radius: 10px;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }

/* phone mock */
.phone {
  width: min(290px, 80vw); margin: 0 auto; aspect-ratio: 9 / 16;
  background: #0B1320; border-radius: 36px; padding: 12px;
  box-shadow: 0 30px 60px rgba(4, 20, 50, .35), inset 0 0 0 2px rgba(255, 255, 255, .08);
}
.screen {
  height: 100%; border-radius: 26px; overflow: hidden; background: #F5F7FA; color: #0F1E2E;
  display: flex; flex-direction: column; font-size: 12px; line-height: 1.4;
}
.screen .bar { background: var(--grad); color: #fff; padding: 14px 14px 12px; }
.screen .bar b { font-size: 14px; display: block; }
.screen .bar span { opacity: .9; font-size: 11px; }
.screen .offline {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 8px;
  background: rgba(255, 255, 255, .18); border-radius: 999px; padding: 2px 9px; font-size: 10.5px;
}
.screen .offline i { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); display: inline-block; }
.screen .tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 12px; }
.screen .tile {
  background: #fff; border-radius: 10px; padding: 9px 4px; text-align: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06); font-size: 11px; color: #3D4B5C;
}
.screen .tile i {
  display: block; width: 26px; height: 26px; margin: 0 auto 5px; border-radius: 8px;
  background: linear-gradient(135deg, #DDF4F1, #DCE7FB);
}
.screen .tile:nth-child(3n+2) i { background: linear-gradient(135deg, #FFF4CC, #FDE68A); }
.screen .list { margin: 0 12px; background: #fff; border-radius: 10px; padding: 4px 10px; box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }
.screen .row { display: flex; justify-content: space-between; gap: 8px; padding: 7px 0; border-bottom: 1px solid #EEF2F6; }
.screen .row:last-child { border-bottom: 0; }
.screen .row em { font-style: normal; color: #0A7368; font-weight: 600; }
.screen .row .gray { height: 8px; border-radius: 4px; background: #E3E8EF; align-self: center; }

/* ---------- sections ---------- */
section { padding: 64px 0; }
section.soft { background: var(--bg-soft); }
.sec-head { max-width: 680px; margin-bottom: 32px; }
.sec-head h2 { font-size: clamp(24px, 4.6vw, 34px); font-weight: 800; }
.sec-head p { color: var(--muted); font-size: 17px; margin: 0; }
.kicker { color: var(--teal-dark); font-weight: 700; font-size: 14px; letter-spacing: .06em; margin-bottom: 6px; display: block; }
@media (prefers-color-scheme: dark) { .kicker { color: #5FD6C8; } }

.grid { display: grid; gap: 16px; }
@media (min-width: 620px) { .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid.c3 { grid-template-columns: repeat(3, 1fr); } .grid.c4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card h3 { font-size: 18px; margin-bottom: 6px; }
.card p { color: var(--ink-2); margin: 0; font-size: 15px; }
.card .ico {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad); color: #fff; margin-bottom: 14px;
}
.card .ico svg { width: 22px; height: 22px; }
.card .tags { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; }
.card .tags li {
  font-size: 13px; padding: 2px 9px; border-radius: 6px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-2);
}

/* flow strip */
.flow { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flow li {
  font-size: 14px; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--line);
}
.flow li + li::before { content: "→"; margin-right: 8px; color: var(--muted); font-weight: 400; }

/* privacy band */
.privacy-band { background: #0E2A47; color: #E8F1FB; }
.privacy-band .sec-head p { color: #B9CBE0; }
.privacy-band .kicker { color: var(--gold); }
.privacy-band .card { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .14); box-shadow: none; }
.privacy-band .card p { color: #C9D7E8; }
.privacy-band .card h3 { color: #fff; }
.privacy-band a { color: var(--gold); }
.check { list-style: none; padding: 0; margin: 0; }
.check li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.check li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--gold);
  -webkit-mask: radial-gradient(circle, #000 60%, transparent 61%);
}
.check li::after {
  content: ""; position: absolute; left: 6px; top: calc(.35em + 4px); width: 5px; height: 9px;
  border: solid #0E2A47; border-width: 0 2px 2px 0; transform: rotate(45deg);
}

/* ---------- document showcase ---------- */
.docs { display: grid; gap: 28px; align-items: center; }
@media (min-width: 900px) { .docs { grid-template-columns: 1fr 1fr; } }
.paper-stack { container-type: inline-size; position: relative; padding: 10px 18px 26px 10px; max-width: 460px; margin: 0 auto; width: 100%; }
.paper-stack .back {
  position: absolute; inset: 0 0 12px 22px; background: #fff; border-radius: 6px;
  border: 1px solid #DCE3EC; transform: rotate(3deg); box-shadow: var(--shadow);
}
.paper {
  position: relative; background: #fff; color: #1B2533; border-radius: 6px; border: 1px solid #DCE3EC;
  aspect-ratio: 1 / 1.414; padding: 7% 7% 5%; font-size: clamp(6.5px, 2.35cqw, 11px); line-height: 1.45;
  box-shadow: 0 18px 40px rgba(15, 30, 46, .16); display: flex; flex-direction: column;
}
.paper .ph { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.paper .logo-box {
  width: 3.6em; height: 3.6em; border-radius: 6px; background: #EEF2F7; border: 1px dashed #B8C4D3;
  display: grid; place-items: center; color: #7C8899; font-size: .8em;
}
.paper .title { text-align: right; }
.paper .title b { display: block; font-size: 1.9em; letter-spacing: .06em; color: #0A4FA8; }
.paper .meta { color: #5B6878; }
.paper .parties { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 1.6em 0 1.2em; }
.paper .parties div { background: #F6F8FB; padding: .7em .8em; border-radius: 4px; }
.paper .parties small { display: block; color: #7C8899; text-transform: uppercase; letter-spacing: .08em; font-size: .8em; }
.paper table { width: 100%; border-collapse: collapse; }
.paper th { background: #0E3D7A; color: #fff; font-weight: 600; text-align: left; padding: .45em .5em; }
.paper td { padding: .45em .5em; border-bottom: 1px solid #E5EAF0; }
.paper td.n, .paper th.n { text-align: right; font-variant-numeric: tabular-nums; }
.paper .sum { margin-left: auto; margin-top: 1em; width: 55%; }
.paper .sum div { display: flex; justify-content: space-between; padding: .25em 0; }
.paper .sum .total { border-top: 2px solid #0E3D7A; font-weight: 700; font-size: 1.15em; margin-top: .2em; padding-top: .4em; }
.paper .foot { margin-top: auto; padding-top: 1em; border-top: 1px solid #E5EAF0; color: #8A96A6; display: flex; justify-content: space-between; font-size: .85em; }
.sample-tag {
  position: absolute; bottom: 52px; left: -2px; background: var(--gold); color: #5A4300;
  font-weight: 700; font-size: 12px; padding: 3px 10px; border-radius: 0 6px 6px 0; z-index: 2;
}
.doc-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; list-style: none; padding: 0; margin: 18px 0 0; }
.doc-list li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 15px; }
.doc-list li b { display: block; font-size: 15px; }
.doc-list li span { color: var(--muted); font-size: 13px; }

/* ---------- AI / coming soon ---------- */
.soon {
  display: grid; gap: 18px; align-items: center;
  border: 1px dashed color-mix(in srgb, var(--teal) 55%, var(--line));
  border-radius: var(--radius); padding: 24px; background: var(--card);
}
@media (min-width: 760px) { .soon { grid-template-columns: auto 1fr; padding: 28px 32px; } }
.badge-soon {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .05em;
  background: #FFF4CC; color: #6B5200; border: 1px solid #F3D774; padding: 2px 10px; border-radius: 999px;
}
.soon h3 { font-size: 20px; margin: 8px 0 6px; }
.soon p { margin: 0; color: var(--ink-2); }

/* ---------- download ---------- */
.download { background: var(--grad); color: #fff; text-align: center; }
.download h2 { font-size: clamp(24px, 4.6vw, 34px); }
.download p { color: rgba(255, 255, 255, .92); }
.download .cta { justify-content: center; margin-top: 18px; }
.download .req { font-size: 14px; margin-top: 16px; color: rgba(255, 255, 255, .88); }

/* ---------- FAQ ---------- */
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 0 18px; margin-bottom: 10px;
}
.faq summary {
  cursor: pointer; list-style: none; font-weight: 700; padding: 16px 28px 16px 0; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 12px; font-size: 22px; font-weight: 400; color: var(--muted);
}
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 0 14px; color: var(--ink-2); }
.faq details > div p:last-child { margin-bottom: 0; }

/* ---------- legal pages ---------- */
.legal-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 40px 0 28px; }
.legal-hero h1 { font-size: clamp(26px, 5vw, 38px); font-weight: 800; }
.legal-hero p { color: var(--muted); margin: 0; }
.legal { padding: 36px 0 64px; }
.legal h2 { font-size: 21px; margin-top: 2em; padding-top: .2em; scroll-margin-top: 80px; }
.legal h3 { font-size: 17px; margin-top: 1.4em; }
.legal ul, .legal ol { padding-left: 1.4em; }
.legal li { margin-bottom: .4em; }
.legal .summary {
  background: var(--bg-soft); border: 1px solid var(--line); border-left: 4px solid var(--teal);
  border-radius: 10px; padding: 16px 20px; margin: 0 0 8px;
}
.legal .summary p:last-child, .legal .summary ul:last-child { margin-bottom: 0; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 1em 0; display: block; overflow-x: auto; }
.legal th, .legal td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.legal th { background: var(--bg-soft); }
.legal .caps { text-transform: none; font-weight: 600; }
.toc { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 14px; }

/* ---------- 404 ---------- */
.nf { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 60px 0; }
.nf img { width: 96px; height: 96px; margin: 0 auto 18px; }
.nf h1 { font-size: 30px; }
.nf .links { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 20px; margin-top: 10px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 36px 0 28px; font-size: 14px; color: var(--muted); }
.site-footer .top { display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between; align-items: flex-start; }
.site-footer .brand .name { font-size: 16px; }
.site-footer .brand img { width: 28px; height: 28px; }
.site-footer nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: var(--ink-2); }
.site-footer .legal-lines { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.site-footer .legal-lines p { margin: 0 0 4px; }
.site-footer .legal-lines a { color: var(--ink-2); }

/* ---------- utilities ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.center { text-align: center; }
.screen .row .w55 { width: 55%; }
.screen .row .w18 { width: 18%; }
.paper .co { margin-top: .6em; }
.mt { margin-top: 24px; }