/* Wujee 官网 · 风格「墨」：黑白灰，朱红只作点缀。颜色对比度都按 ≥4.5:1 选的。 */
:root{
  --ink:#1b1c20; --ink2:#55565e; --ink3:#696a72; --line:#e4e4e8; --page:#ffffff; --soft:#f4f4f6;
  --red:#cc3b2b; --red-text:#b3301f; --red-soft:#fbeeec; --red-on-ink:#ff8a78;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink);overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
:lang(zh-CN) body,:lang(zh-CN){font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
:lang(zh-TW){font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei","Noto Sans TC",sans-serif}
:lang(ja){font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo","Noto Sans JP",sans-serif}
:lang(ko){font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif}
:lang(th){font-family:-apple-system,BlinkMacSystemFont,"Thonburi","Leelawadee UI","Noto Sans Thai",sans-serif}
a{color:inherit;text-decoration:none}
a:focus-visible,summary:focus-visible,button:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:6px}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:20}
.skip:focus{left:12px}

/* header */
header{position:sticky;top:0;background:rgba(255,255,255,.94);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);z-index:10}
header .wrap{height:68px;display:flex;align-items:center;gap:36px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.01em;flex:none}
.brand img{width:32px;height:32px;border-radius:8px}
nav{display:flex;gap:28px;font-size:15px;color:var(--ink2)}
nav a:hover{color:var(--ink)}
.hspace{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:23px;font-weight:600;font-size:15px;white-space:nowrap;transition:transform .15s ease,background-color .15s ease}
.btn:active{transform:scale(.97)}
.btn.ink{background:var(--ink);color:#fff}
.btn.ink:hover{background:#000}
.btn.line{border:1.5px solid var(--ink);color:var(--ink)}
.btn.sm{height:38px;padding:0 18px;font-size:14px}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* language menu (no script needed to open it) */
.lang{position:relative;font-size:14px;color:var(--ink2)}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:18px;padding:7px 12px;white-space:nowrap}
.lang summary::-webkit-details-marker{display:none}
.lang summary svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.lang ul{position:absolute;right:0;top:calc(100% + 8px);margin:0;padding:6px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px -16px rgba(27,28,32,.3);min-width:168px;z-index:30}
.lang.up ul{top:auto;bottom:calc(100% + 8px)}
.lang li a{display:block;padding:9px 12px;border-radius:9px;color:var(--ink)}
.lang li a:hover{background:var(--soft)}
.lang li a[aria-current]{font-weight:700}
.lang li a[aria-current]::after{content:" ✓";color:var(--red-text)}
.short{display:none}

/* hero */
.hero{padding:72px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
h1{font-size:76px;line-height:1.04;letter-spacing:-.035em;margin:0 0 22px;font-weight:800;text-wrap:balance}
h1 span{color:var(--red);display:block}
.lead{font-size:20px;line-height:1.6;color:var(--ink2);margin:0 0 34px;max-width:32ch}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.plats{margin-top:22px;font-size:14px;color:var(--ink3);display:flex;gap:6px 10px;flex-wrap:wrap}
.plats b{color:var(--ink2);font-weight:600}

/* phone mock */
.phone{width:320px;height:640px;border-radius:46px;background:#111;padding:11px;margin-left:auto;box-shadow:0 30px 60px -20px rgba(27,28,32,.35)}
.scr{width:100%;height:100%;border-radius:36px;background:#fff;overflow:hidden;display:flex;flex-direction:column}
.sb{height:44px;flex:none}
.ch{display:flex;align-items:center;gap:10px;padding:4px 16px 12px;border-bottom:1px solid var(--line)}
.av{width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex:none}
.a1{background:#a3532f}.a2{background:#4a6fc9}.a3{background:#2f7d63}.a4{background:#7a5cc4}.a5{background:#8a5f15}
.ch b{font-size:15px;display:block}.ch small{font-size:12px;color:var(--ink3)}
.msgs{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.4;overflow:hidden}
.m{max-width:80%;padding:9px 12px;border-radius:18px;overflow-wrap:anywhere}
.m.in{background:var(--soft);align-self:flex-start}
.m.out{background:var(--ink);color:#fff;align-self:flex-end}
.m .tr{display:block;margin-top:6px;padding-top:6px;border-top:1px solid rgba(0,0,0,.1);font-size:13px;color:var(--ink2)}
.m.out .tr{border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.78)}
.m .tag{font-size:11px;color:var(--ink3);display:block;margin-top:4px}
.once{align-self:flex-end;display:flex;align-items:center;gap:8px;background:var(--red-soft);color:var(--red-text);font-weight:600;font-size:13px;padding:9px 14px;border-radius:18px}
.once svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
.sys{align-self:center;font-size:12px;color:var(--ink3);text-align:center}
.comp{margin:0 12px 18px;height:42px;border-radius:21px;background:var(--soft);display:flex;align-items:center;padding:0 6px 0 16px;font-size:14px;color:var(--ink3);flex:none}
.comp i{margin-left:auto;width:32px;height:32px;border-radius:16px;background:var(--ink);display:flex;align-items:center;justify-content:center}
.comp i svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* sections */
section.blk{padding:110px 0}
.k{font-size:15px;color:var(--red-text);font-weight:600;margin-bottom:14px}
h2{font-size:52px;line-height:1.1;letter-spacing:-.03em;margin:0 0 18px;font-weight:800;text-wrap:balance}
.sub{font-size:19px;line-height:1.65;color:var(--ink2);max-width:46ch;margin:0}

/* translate */
.lang-blk .wrap{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.conv{background:var(--soft);border-radius:28px;padding:30px;display:flex;flex-direction:column;gap:12px;font-size:16px;line-height:1.45}
.conv .m{max-width:86%}
.conv .m.in{background:#fff}
.langs{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0 0;padding:0;list-style:none}
.langs li{border:1px solid var(--line);border-radius:16px;padding:6px 13px;font-size:14px;color:var(--ink2)}

/* privacy (ink band) */
.priv{background:var(--ink);color:#fff}
.priv .sub{color:rgba(255,255,255,.72)}
.priv .k{color:var(--red-on-ink)}
.transit{margin-top:44px;display:flex;align-items:center;gap:16px;border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:18px 22px}
.transit svg{width:28px;height:28px;flex:none;fill:none;stroke:var(--red-on-ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.transit h3{font-size:18px;margin:0 0 2px}
.transit p{margin:0;font-size:15px;line-height:1.55;color:rgba(255,255,255,.72)}
.plist{margin:40px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:48px 56px}
.pi{border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.pi svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.pi h3{font-size:20px;margin:0 0 8px;letter-spacing:-.01em}
.pi p{margin:0;font-size:15px;line-height:1.6;color:rgba(255,255,255,.7)}

/* us */
.us .wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}
.uscard{border:1px solid var(--line);border-radius:28px;padding:26px}
.couple{background:var(--red-soft);border-radius:20px;padding:22px;display:flex;align-items:center;gap:16px}
.pair{display:flex;flex:none}.pair .av{width:52px;height:52px;border-radius:18px;font-size:18px;border:3px solid var(--red-soft)}
.pair .av+.av{margin-left:-12px}
.couple b{font-size:17px;display:block}.couple small{font-size:14px;color:var(--ink2)}
.days{margin-left:auto;text-align:right;flex:none}.days strong{font-size:34px;color:var(--red-text);letter-spacing:-.02em;display:block;line-height:1}.days small{font-size:12px;color:var(--ink2)}
.grp{margin-top:20px;font-size:13px;color:var(--ink3);font-weight:600;padding-left:4px}
.row{display:flex;align-items:center;gap:12px;padding:12px 4px}
.row b{font-size:15px;display:block}.row small{font-size:13px;color:var(--ink3)}
.row em{margin-left:auto;font-style:normal;background:var(--red-text);color:#fff;font-size:12px;font-weight:700;border-radius:10px;padding:2px 7px}

/* square */
section.sq{padding-top:20px}
.sq-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:46px}
.masonry{columns:4;column-gap:16px}
.post{break-inside:avoid;margin:0 0 16px}
.post img{width:100%;height:auto;border-radius:18px;background:var(--soft)}
.post figcaption{margin:10px 2px 0;font-size:14px;line-height:1.4}
.post small{display:block;margin-top:4px;font-size:12px;color:var(--ink3)}
.credit{margin:18px 0 0;font-size:12px;color:var(--ink3)}

/* download */
.dl{background:var(--soft)}
.dl .wrap{text-align:center}
.dl h2{margin-bottom:12px}
.dl .sub{margin:0 auto}
.mascot{width:120px;height:120px;border-radius:28px;margin:0 auto 26px}
.dlgrid{margin:48px auto 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:880px}
.dlitem{background:#fff;border-radius:22px;padding:26px 16px;display:flex;flex-direction:column;align-items:center;gap:10px;border:2px solid transparent}
.dlitem.mine{border-color:var(--ink)}
.dlitem svg{width:30px;height:30px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.dlitem b{font-size:16px}.dlitem small{font-size:12px;color:var(--ink3);min-height:16px}
.dlitem .btn{margin-top:6px}
.help{max-width:880px;margin:28px auto 0;text-align:left;background:#fff;border-radius:22px;padding:6px 22px}
.help summary{cursor:pointer;padding:14px 0;font-weight:600;font-size:15px}
.help dl{margin:0 0 18px;display:grid;grid-template-columns:auto 1fr;gap:10px 18px;font-size:14px;line-height:1.6;color:var(--ink2)}
.help dt{font-weight:600;color:var(--ink)}
.help dd{margin:0}

.nf{padding:80px 20px;text-align:center}.nf img{margin:0 auto 24px;border-radius:24px}.nf h1{font-size:40px}.nf .langs{justify-content:center}

footer{padding:40px 0 50px;font-size:14px;color:var(--ink2)}
footer .wrap{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
footer .brand{font-size:16px;color:var(--ink)}footer .brand img{width:26px;height:26px}
footer a:hover{color:var(--ink)}

/* scripts with tall marks need more line height */
:lang(th) h1,:lang(th) h2{line-height:1.3;letter-spacing:0}
:lang(vi) h1,:lang(vi) h2{line-height:1.15;letter-spacing:-.02em}
:lang(zh-CN) h1,:lang(zh-TW) h1,:lang(ja) h1,:lang(ko) h1,:lang(zh-CN) h2,:lang(zh-TW) h2,:lang(ja) h2,:lang(ko) h2{letter-spacing:0;line-height:1.18}
:lang(th) .sub,:lang(th) .lead{line-height:1.75}

/* gentle reveal; off for reduced motion */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
  .js .rv.in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* tablet */
@media (max-width:1000px){
  h1{font-size:60px}
  h2{font-size:44px}
  .masonry{columns:3}
  .plist{grid-template-columns:repeat(2,1fr)}
}

/* phone */
@media (max-width:760px){
  .wrap{padding:0 20px}
  nav,.hide-m{display:none}
  .short{display:inline}.long{display:none}
  header .wrap{gap:10px;height:60px}
  .hero{padding:36px 0 10px}
  .hero .wrap,.lang-blk .wrap,.us .wrap{grid-template-columns:1fr;gap:40px}
  h1{font-size:44px}
  .lead{font-size:17px}
  .phone{margin:0 auto -60px;transform:scale(.9);transform-origin:top center;max-width:100%}
  section.blk{padding:70px 0}
  h2{font-size:34px}.sub{font-size:16px}
  .plist{grid-template-columns:1fr;gap:28px}
  .transit{align-items:flex-start}
  .masonry{columns:2;column-gap:12px}
  .post{margin-bottom:12px}
  .sq-head{flex-direction:column;align-items:flex-start;gap:20px}
  .dlgrid{grid-template-columns:1fr 1fr}
  .help dl{grid-template-columns:1fr;gap:2px}
  .help dd{margin-bottom:10px}
  footer .wrap{gap:14px 20px}
  .us .uscard{order:2}
  .uscard{padding:16px}
  .couple{padding:16px;gap:12px;flex-wrap:wrap}
}
@media (max-width:360px){
  h1{font-size:38px}
  .brand span{display:none}
}