/* Pandafile — paper ground, ink type, one bamboo-green action per screen. */
:root{
  --ink:#15161A; --paper:#F7F8F4; --white:#FFFFFF; --bamboo:#3DBE6E; --bamboo-ink:#0E2A17; --leaf:#1E7A44; --shoot:#7EE0A1; --mist:#E3EEDF; --blush:#FF8FA3;
  --bg:var(--paper); --fg:var(--ink); --card:#FFFFFF; --muted:#5E6359; --line:#DDE5D8; --field:#FFFFFF; --danger:#C2362B; --focus:#1E7A44;
  --f-display:"Fredoka",ui-rounded,"Segoe UI",system-ui,sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;
  --r:16px; --shadow:0 1px 0 var(--line),0 18px 40px -24px rgba(21,22,26,.35);
}
@media (prefers-color-scheme: dark){:root{
  --bg:#111214; --fg:#EEF1EA; --card:#1A1C1E; --muted:#9AA295; --line:#2A2F2A; --field:#141517; --mist:#23302A; --focus:#7EE0A1; --danger:#F06B5F;
  --shadow:0 1px 0 #24282A,0 18px 40px -24px rgba(0,0,0,.6); color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.6;
  padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
:lang(zh) body,:lang(ja) body,:lang(ko) body{line-height:1.7}
h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.1;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
a{color:var(--leaf)}
@media (prefers-color-scheme: dark){a{color:var(--shoot)}}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.narrow{max-width:760px}
.muted{color:var(--muted)} .small{font-size:13.5px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;inset-inline-start:12px;top:-80px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{top:8px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}

/* header / footer */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.logo img{display:block;height:34px;width:auto}
@media (prefers-color-scheme: dark){.logo img{content:url(/brand/logo-white.svg)}}
.nav{display:flex;align-items:center;gap:18px;font-weight:500;flex-wrap:wrap;justify-content:flex-end}
.nav a{color:var(--fg);text-decoration:none}
.nav a:hover{color:var(--leaf)}
.lang select{font:inherit;font-size:14px;background:var(--field);color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:6px 8px;max-width:150px}
.foot{border-top:1px solid var(--line);margin-top:72px;padding-block:40px 28px}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.foot-brand{display:flex;flex-direction:column;gap:8px}
.foot-col{display:flex;flex-direction:column;gap:6px}
.foot-col a{color:var(--muted);text-decoration:none}
.foot-col a:hover{color:var(--fg)}
.copy{margin-top:24px}

/* buttons & fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--f-display);font-weight:600;font-size:16px;
  border-radius:12px;padding:11px 18px;border:2px solid transparent;cursor:pointer;text-decoration:none;line-height:1.2;transition:transform .08s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--bamboo);color:var(--bamboo-ink)}
.btn-primary:hover{background:#35AD63}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-ghost{border-color:currentColor;color:var(--fg);background:transparent}
.btn-big{width:100%;font-size:18px;padding:14px 18px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.link-btn{background:none;border:0;padding:0;font:inherit;color:var(--leaf);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
@media (prefers-color-scheme: dark){.link-btn{color:var(--shoot)}}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-weight:600;font-size:14px}
input[type=text],input[type=email],input[type=password],textarea,select.input{font:inherit;color:var(--fg);background:var(--field);border:1.5px solid var(--line);border-radius:12px;padding:10px 12px;width:100%}
textarea{resize:vertical}
input:focus,textarea:focus{border-color:var(--bamboo);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--bamboo) 30%,transparent)}
.error{color:var(--danger);font-weight:500;font-size:14.5px}
.note{background:var(--mist);border-radius:10px;padding:10px 12px;font-size:14px;margin-top:6px}
.card{background:var(--card);border-radius:22px;box-shadow:var(--shadow);border:1px solid var(--line)}

/* hero + upload */
.hero{background:var(--bg) url(/brand/pattern-bamboo.svg) 0 0/160px;border-bottom:1px solid var(--line)}
@media (prefers-color-scheme: dark){.hero{background-image:url(/brand/pattern-bamboo-dark.svg)}}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px) minmax(0,300px);gap:28px;align-items:start;padding-block:48px 56px}
.hero-copy{display:flex;flex-direction:column;gap:14px;padding-top:24px}
.hero-copy h1{font-size:clamp(38px,6vw,64px);font-weight:700}
.lead{font-size:18px;max-width:34ch}
.pro-line a{font-weight:600}
.send-card{padding:20px;display:flex;flex-direction:column;gap:14px}
.drop{border:2.5px dashed #BFD6B8;border-radius:18px;padding:26px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:background .15s,border-color .15s}
.drop.over{background:var(--mist);border-color:var(--bamboo)}
.drop-title{font-family:var(--f-display);font-size:22px;font-weight:600}
.drop-or{color:var(--muted);font-size:14px}
.drop-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.drop-panda{transition:transform .3s}
.drop.over .drop-panda{transform:rotate(-8deg) scale(1.08)}
.picked{display:flex;flex-direction:column;gap:12px}
.picked-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.picked-tools{display:flex;gap:14px;font-size:14px}
.file-list{list-style:none;margin:0;padding:0;max-height:200px;overflow:auto;border:1px solid var(--line);border-radius:12px}
.file-list li{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line);font-size:14px;min-width:0}
.file-list li:last-child{border-bottom:0}
.file-list .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-list .sz{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.file-list button{background:none;border:0;color:var(--muted);cursor:pointer;font-size:18px;line-height:1;padding:2px 4px}
.limit-bar{height:6px;background:var(--mist);border-radius:99px;overflow:hidden}
.limit-bar i{display:block;height:100%;width:0;background:var(--bamboo);border-radius:99px;transition:width .2s}
.limit-bar.over i{background:var(--danger)}
.mode{display:flex;gap:6px;background:var(--mist);border-radius:12px;padding:4px}
.mode label{flex:1;text-align:center;padding:8px;border-radius:9px;cursor:pointer;font-weight:600;font-size:14.5px}
.mode input{position:absolute;opacity:0;pointer-events:none}
.mode label:has(input:checked){background:var(--card);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.mode label:has(input:focus-visible){outline:3px solid var(--focus)}
.turnstile:empty{display:none}

/* bamboo progress: each segment is one 50 MB chunk */
.progress{display:flex;flex-direction:column;gap:12px;padding:8px 4px}
.progress-title{font-family:var(--f-display);font-size:22px;font-weight:600}
.bamboo{height:18px;border-radius:99px;background:var(--mist);overflow:hidden;position:relative}
.bamboo i{position:absolute;inset:0 auto 0 0;width:0;border-radius:99px;transition:width .3s;
  background:repeating-linear-gradient(90deg,var(--bamboo) 0 46px,var(--leaf) 46px 50px)}
.progress-actions{display:flex;gap:16px;align-items:center}
.done{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:12px 4px}
.done h2{font-size:30px}
.share{display:flex;gap:8px;width:100%}
.share input{flex:1;min-width:0;font-size:14px}

/* ads */
.ad-slot{min-height:250px;display:flex;flex-direction:column;align-items:center;gap:6px}
.ad-slot:empty{display:none}
.ad-label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.house-ad{background:var(--ink);color:var(--paper);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:12px;width:100%;max-width:300px}
.house-ad h3{color:var(--shoot);font-size:24px}
.house-ad img{width:72px;height:72px}

/* sections */
.features{padding-block:56px}
.feat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.feat{display:flex;flex-direction:column;gap:8px}
.feat-ic{width:44px;height:44px}
.feat h3{font-size:21px}
.feat p{color:var(--muted)}
.pro-band{background:var(--ink);color:var(--paper);padding-block:48px}
.pro-in{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px;align-items:center}
.pro-band h2{font-size:clamp(28px,4vw,40px);color:var(--shoot);margin-bottom:10px}
.pro-price{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.price{font-family:var(--f-display);font-weight:700;font-size:56px;line-height:1}
.faq{padding-block:56px}
.faq h2{font-size:32px;margin-bottom:16px}
details{border-bottom:1px solid var(--line);padding-block:14px}
summary{cursor:pointer;font-weight:600;font-size:17px}
details p{margin-top:8px;color:var(--muted)}

/* generic pages */
.page{padding-block:48px}
.page h1{font-size:clamp(32px,5vw,48px);margin-bottom:12px}
.page .lead{max-width:60ch;margin-bottom:24px}
.prose{max-width:72ch}
.prose h2{font-size:24px;margin:28px 0 8px}
.prose h3{font-size:19px;margin:20px 0 6px}
.prose p,.prose li{margin:0 0 10px}
.prose ul{padding-inline-start:22px}
.banner{background:var(--mist);border-radius:12px;padding:12px 14px;margin-bottom:20px;font-size:14.5px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:860px}
.plan{padding:28px;display:flex;flex-direction:column;gap:14px}
.plan.pro{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.plan.pro h2{color:var(--shoot)}
.plan ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.plan li{padding-inline-start:28px;position:relative}
.plan li::before{content:"";position:absolute;inset-inline-start:0;top:.45em;width:16px;height:9px;border-left:3px solid var(--bamboo);border-bottom:3px solid var(--bamboo);transform:rotate(-45deg)}
.plan .btn{margin-top:auto}

/* download page */
.dl{padding-block:40px}
.dl-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:28px;align-items:start}
.dl-card{padding:24px;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden}
.dl-head{display:flex;gap:16px;align-items:center}
.dl-head h1{font-size:clamp(24px,3.6vw,34px)}
.dl-files{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:14px}
.dl-files li{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);min-width:0}
.dl-files li:last-child{border-bottom:0}
.dl-files .nm{flex:1 1 200px;min-width:0;overflow-wrap:anywhere;font-weight:500}
.dl-files .sz{color:var(--muted);font-variant-numeric:tabular-nums}
.dl-files .acts{display:flex;gap:12px;align-items:center}
.preview{flex-basis:100%;position:relative;border-radius:12px;overflow:hidden;background:var(--mist)}
.preview img,.preview video{display:block;max-width:100%;max-height:420px;margin:0 auto}
.preview.wm::after{content:"";position:absolute;inset:0;background:url(/brand/watermark-tile.svg) 0 0/320px;pointer-events:none}
.message{background:var(--mist);border-radius:12px;padding:12px 14px;white-space:pre-wrap;overflow-wrap:anywhere}
.watermark{position:absolute;inset-inline-end:-30px;bottom:-30px;width:200px;opacity:.06;pointer-events:none}
dialog{border:0;border-radius:20px;padding:24px;max-width:min(520px,calc(100vw - 32px));background:var(--card);color:var(--fg);box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(21,22,26,.5)}
dialog form{display:flex;flex-direction:column;gap:12px}
.radio-list{display:flex;flex-direction:column;gap:6px}
.radio-list label{display:flex;gap:8px;align-items:flex-start}

/* account / admin */
.acct-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:28px}
.stat{padding:20px;display:flex;flex-direction:column;gap:6px}
.stat b{font-family:var(--f-display);font-size:26px;font-weight:600}
.tlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.tlist li{padding:14px 16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tlist .nm{flex:1 1 220px;min-width:0;overflow-wrap:anywhere}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:start;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;border:1px solid currentColor}

@media (max-width:1060px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,440px)}.hero-grid .ad-slot{grid-column:1/-1}}
@media (max-width:860px){
  .hero-grid,.dl-grid,.pro-in{grid-template-columns:minmax(0,1fr)}
  .hero-copy{padding-top:0}
  .feat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-in{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}
  .acct-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .feat-grid,.plans{grid-template-columns:minmax(0,1fr)}
  .nav{gap:12px;font-size:14.5px}
  .logo img{height:28px}
  .hero-grid{padding-block:28px 36px}
  .share{flex-direction:column}
}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}
html[lang=en] [data-lang-banner]{display:none}
.dl-card>*:not(.watermark){position:relative;z-index:1}
.watermark{opacity:.045;z-index:0}