/* 豆时记官网 · static marketing page. No account, session or business data. */
:root{
  --ink:#1A1A1A;--ink-2:#4A4A4A;--muted:#6B6B6B;--line:#E6E6E6;--mist:#F5F5F3;--paper:#FFFFFF;
  --yellow:#FFD23F;--yellow-d:#D9A800;--pink:#EE4F8B;--pink-d:#B92D63;--pink-soft:#FFE1EC;
  --blue:#2F6FED;--blue-d:#1D4CB3;--green:#18A058;--green-d:#0E7440;--orange:#FF8A1F;--red:#E5352B;
  --radius-l:28px;--radius-m:18px;--radius-s:12px;
  --ease:cubic-bezier(.2,.8,.2,1);--wrap:1240px;
  --font:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
html{color-scheme:light;scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:8px}
::selection{background:var(--yellow)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:16px;top:-80px;z-index:60;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
h1,h2,h3{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.2}
h2{font-size:clamp(30px,3.8vw,52px)}
.section-lead{margin:18px 0 0;max-width:36em;font-size:18px;color:var(--ink-2)}

/* Bricks: chunky buttons with a pressable bottom edge */
.brick{--edge:#000;display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:14px;font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap;border:2px solid var(--ink);box-shadow:0 5px 0 var(--edge);transform:translateY(0);transition:transform .12s var(--ease),box-shadow .12s var(--ease),background .15s}
.brick:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--edge)}
.brick:active{transform:translateY(5px);box-shadow:0 0 0 var(--edge)}
.brick-ink{background:var(--ink);color:#fff;--edge:#000}
.brick-pink{background:var(--pink);color:#fff;--edge:var(--ink)}
.brick-white{background:#fff;color:var(--ink);--edge:var(--ink)}

/* Utility bar */
.utility{background:var(--ink);color:#fff;font-size:13px}
.utility-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.utility p{margin:0;color:#D6D6D6}
.utility nav{display:flex;gap:22px}
.utility a{font-weight:700}
.utility a:hover{color:var(--yellow)}

/* Main nav */
.nav{position:sticky;top:0;z-index:40;background:#fff;border-bottom:2px solid var(--ink)}
.nav-row{display:flex;align-items:center;gap:28px;height:78px}
.logo img{width:138px}
.menu{display:flex;align-items:center;gap:4px;margin-left:12px}
.menu-item{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 14px;border:0;border-radius:10px;background:none;font-size:16px;font-weight:800;transition:background .15s}
.menu-item:hover,.mega-toggle[aria-expanded="true"]{background:var(--mist)}
.mega-toggle svg{transition:transform .2s var(--ease)}
.mega-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.nav-cta{margin-left:auto;min-height:46px;padding:0 20px;font-size:15px}
.mega-wrap{position:relative}
.mega{position:absolute;left:0;top:calc(100% + 18px);width:min(720px,calc(100vw - 64px));padding:22px;background:#fff;border:2px solid var(--ink);border-radius:var(--radius-m);box-shadow:0 8px 0 var(--ink);transform-origin:20% 0;animation:mega-in .18s var(--ease)}
@keyframes mega-in{from{opacity:0;transform:translateY(-6px) scale(.98)}to{opacity:1;transform:none}}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mega-card{display:flex;flex-direction:column;gap:4px;min-height:96px;padding:16px;border-radius:var(--radius-s);border:2px solid var(--ink);transition:transform .15s var(--ease),box-shadow .15s var(--ease)}
.mega-card b{font-size:17px;font-weight:900}
.mega-card span{font-size:13px;line-height:1.5}
.mega-card:hover{transform:translateY(-3px);box-shadow:0 4px 0 var(--ink)}
.mega-more{display:inline-block;margin-top:16px;font-weight:800;border-bottom:2px solid var(--ink)}
.c-pink{background:var(--pink);color:#fff}.c-yellow{background:var(--yellow)}.c-blue{background:var(--blue);color:#fff}.c-green{background:var(--green);color:#fff}.c-white{background:#fff}.c-orange{background:var(--orange)}
.menu-toggle{display:none;position:relative;width:46px;height:46px;border:2px solid var(--ink);border-radius:12px;background:#fff;padding:0}
.menu-toggle i{position:absolute;left:11px;right:11px;height:2.5px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s}
.menu-toggle i:nth-of-type(1){top:13px}.menu-toggle i:nth-of-type(2){top:20px}.menu-toggle i:nth-of-type(3){top:27px}
.menu-toggle[aria-expanded="true"] i:nth-of-type(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] i:nth-of-type(2){opacity:0}
.menu-toggle[aria-expanded="true"] i:nth-of-type(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero: yellow block with a playable pegboard */
.hero{background:var(--yellow);border-bottom:2px solid var(--ink);padding:52px 0 72px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:56px;align-items:center}
h1{font-size:clamp(44px,5.6vw,84px);line-height:1.1;letter-spacing:-.045em}
.lead{margin:26px 0 0;max-width:30em;font-size:18px;color:#2C2A20}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.facts{display:flex;flex-wrap:wrap;gap:12px;margin:40px 0 0}
.facts div{padding:12px 18px;border:2px solid var(--ink);border-radius:var(--radius-s);background:#fff}
.facts dt{font-size:13px;color:var(--muted)}
.facts dd{margin:0;font-size:18px;font-weight:900}

.board{margin:0;-webkit-user-select:none;user-select:none}
.board-frame{position:relative;background:#fff;border:2px solid var(--ink);border-radius:var(--radius-l);box-shadow:0 10px 0 var(--ink);padding:18px;touch-action:none}
#board-canvas{display:block;width:100%;height:auto;aspect-ratio:1;cursor:crosshair;border-radius:14px;background:#F3F2EE}
.board-hint{position:absolute;left:50%;bottom:26px;margin:0;transform:translateX(-50%);padding:6px 14px;border-radius:999px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;white-space:nowrap;pointer-events:none;transition:opacity .3s}
.board-hint.gone{opacity:0}
.board-bar{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.board-stats{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px;font-size:14px;color:#3A372A}
.board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.board-stats b{font-size:20px;font-weight:900;color:var(--ink)}
.board-tools{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.swatches{display:flex;flex-wrap:wrap;gap:6px;margin-right:4px}
.swatch{width:30px;height:30px;padding:0;border-radius:50%;border:2px solid var(--ink);box-shadow:inset 0 0 0 7px var(--c,#fff),inset 0 0 0 10px #fff;background:#fff;transition:transform .12s var(--ease)}
.swatch[aria-checked="true"]{transform:scale(1.18);box-shadow:inset 0 0 0 7px var(--c,#fff),inset 0 0 0 10px #fff,0 0 0 3px #fff,0 0 0 5px var(--ink)}
.tool{height:38px;padding:0 14px;border:2px solid var(--ink);border-radius:10px;background:#fff;font-size:14px;font-weight:800;box-shadow:0 3px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.tool:active{transform:translateY(3px);box-shadow:none}
.tool[aria-pressed="true"]{background:var(--ink);color:#fff}
.tool-next{background:var(--pink);color:#fff}

/* Product flow */
.product{padding:110px 0 100px}
.flow{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin:52px 0 0;padding:0;counter-reset:step}
.flow li{position:relative;display:flex;flex-direction:column;gap:8px;min-height:210px;padding:22px 20px;border:2px solid var(--ink);border-radius:var(--radius-m);counter-increment:step}
.flow li:before{content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#fff;color:var(--ink);border:2px solid var(--ink);font-weight:900;font-size:15px}
.flow li:not(:last-child):after{content:"";position:absolute;right:-16px;top:38px;width:18px;height:2px;background:var(--ink);z-index:1}
.flow b{font-size:20px;font-weight:900;margin-top:10px}
.flow span{font-size:14.5px;line-height:1.65}

/* Feature tabs */
.features{padding:100px 0 110px;background:var(--mist);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.tabs [role="tab"]{height:48px;padding:0 20px;border:2px solid var(--ink);border-radius:999px;font-size:15px;font-weight:800;box-shadow:0 4px 0 var(--ink);transition:transform .12s var(--ease),box-shadow .12s var(--ease)}
.tabs [role="tab"][aria-selected="false"]{background:#fff;color:var(--ink)}
.tabs [role="tab"][aria-selected="true"]{transform:translateY(4px);box-shadow:0 0 0 var(--ink)}
.tabs [role="tab"]:hover[aria-selected="false"]{transform:translateY(-2px);box-shadow:0 6px 0 var(--ink)}
.panel{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:48px;align-items:center;margin-top:30px;padding:40px;background:#fff;border:2px solid var(--ink);border-radius:var(--radius-l);box-shadow:0 10px 0 var(--ink)}
.panel h3{font-size:clamp(24px,2.4vw,32px)}
.panel p{margin:16px 0 0;color:var(--ink-2)}
.ticks{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px;font-size:15px}
.ticks li{position:relative;padding-left:30px}
.ticks li:before{content:"";position:absolute;left:0;top:.28em;width:18px;height:18px;border-radius:50%;background:var(--yellow);border:2px solid var(--ink);box-shadow:inset 0 0 0 4px var(--yellow),inset 0 0 0 9px #fff}
.panel-shot{margin:0;height:clamp(300px,34vw,470px);border-radius:var(--radius-m);overflow:hidden;border:2px solid var(--ink);background:var(--mist)}
.panel-shot img{width:100%;height:100%;object-fit:contain;transition:opacity .25s var(--ease),transform .35s var(--ease)}
.panel-shot[data-kind="tall"] img{padding:18px 0}
.panel-shot.swap img{opacity:0;transform:translateY(10px) scale(.985)}
.panel-copy>*{transition:opacity .2s var(--ease)}
.panel.swap .panel-copy>*{opacity:0}

/* Demo */
.demo{padding:110px 0;background:var(--blue);color:#fff;border-bottom:2px solid var(--ink)}
.demo .section-lead{color:#E3ECFF}
.demo h2{font-size:clamp(30px,3.3vw,46px)}
.demo-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:center}
.demo-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:34px 0 0}
.demo-stats div{padding:14px;border:2px solid var(--ink);border-radius:var(--radius-s);background:#fff;color:var(--ink)}
.demo-stats dt{font-size:13px;color:var(--muted)}
.demo-stats dd{margin:0;font-size:30px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.2}
.ds-active dd{color:#6A4FD8}.ds-soon dd{color:#C26A00}.ds-due dd{color:var(--red)}
.demo-note{margin:18px 0 0;font-size:13px;color:#C9D8FF}
.demo-app{position:relative;background:#fff;color:var(--ink);border:2px solid var(--ink);border-radius:var(--radius-l);box-shadow:0 10px 0 var(--ink);padding:22px;overflow:hidden}
.demo-top{display:flex;justify-content:space-between;align-items:baseline;font-size:18px}
.demo-top b{font-weight:900}
.demo-top span{font-size:28px;font-weight:900;font-variant-numeric:tabular-nums}
.demo-alert{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding:12px 14px;border-radius:12px;background:#FFE4E1;border:2px solid var(--red);font-weight:800;color:#8E1C14;animation:alert-in .25s var(--ease)}
.demo-alert.soon{background:#FFF0D6;border-color:var(--orange);color:#7A4300}
.demo-alert button{height:36px;padding:0 14px;border:2px solid var(--ink);border-radius:10px;background:#fff;font-weight:800;box-shadow:0 3px 0 var(--ink)}
@keyframes alert-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.demo-floor{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px;padding:22px;border-radius:16px;background:#F1F1EE;border:2px dashed #C8C8C2}
.seat{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;aspect-ratio:1/.9;border:2px solid var(--ink);border-radius:14px;background:#fff;box-shadow:0 4px 0 var(--ink);font-variant-numeric:tabular-nums;transition:transform .12s var(--ease),box-shadow .12s var(--ease),background .2s}
.seat:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--ink)}
.seat:active{transform:translateY(4px);box-shadow:0 0 0 var(--ink)}
.seat b{font-size:18px;font-weight:900}
.seat small{font-size:13px;font-weight:700;color:var(--muted)}
.seat[data-state="active"]{background:#E7E0FF}
.seat[data-state="active"] small{color:#5B3FC8}
.seat[data-state="soon"]{background:#FFE7BF}
.seat[data-state="soon"] small{color:#8A4B00}
.seat[data-state="due"]{background:#FFCFCA;animation:shake .5s ease-in-out infinite}
.seat[data-state="due"] small{color:#A3170E}
.seat[data-state="due"].acked{animation:none}
.seat[data-state="clean"]{background:#ECE7F3}
.seat[aria-expanded="true"]{outline:3px solid var(--pink);outline-offset:3px}
@keyframes shake{0%,100%{transform:rotate(0)}20%{transform:rotate(-3deg)}40%{transform:rotate(3deg)}60%{transform:rotate(-2deg)}80%{transform:rotate(2deg)}}
.demo-sheet{position:absolute;left:22px;right:22px;bottom:22px;padding:18px;background:#fff;border:2px solid var(--ink);border-radius:18px;box-shadow:0 6px 0 var(--ink);animation:sheet-in .22s var(--ease)}
@keyframes sheet-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.sheet-head{display:flex;align-items:center;gap:10px}
.sheet-head b{font-size:22px;font-weight:900}
.sheet-head span{padding:2px 10px;border-radius:999px;background:var(--mist);font-size:13px;font-weight:800}
.sheet-close{margin-left:auto;width:36px;height:36px;border:2px solid var(--ink);border-radius:10px;background:#fff;font-size:20px;line-height:1}
.sheet-body{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;align-items:center}
.sheet-body p{width:100%;margin:0;font-size:14px;color:var(--ink-2)}
.sheet-body .brick{min-height:44px;padding:0 18px;font-size:15px}

/* Pricing */
.pricing{padding:110px 0}
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:52px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;padding:32px 28px;border:2px solid var(--ink);border-radius:var(--radius-l);background:#fff;box-shadow:0 8px 0 var(--ink)}
.plan h3{font-size:20px}
.price{display:flex;align-items:baseline;gap:8px;margin:16px 0 0}
.price b{font-size:56px;font-weight:900;letter-spacing:-.03em;line-height:1}
.price span{font-size:15px;color:var(--muted);font-weight:700}
.plan-text{flex:1;margin:16px 0 28px;color:var(--ink-2);font-size:15px}
.plan .brick{align-self:flex-start}
.plan-main{background:var(--yellow)}
.badge{position:absolute;top:-16px;right:24px;margin:0;padding:4px 14px;border:2px solid var(--ink);border-radius:999px;background:var(--pink);color:#fff;font-size:13px;font-weight:900}
.fine{margin:26px 0 0;font-size:13px;color:var(--muted)}

/* Contact */
.contact{position:relative;padding:110px 0;background:var(--pink);color:#fff;border-top:2px solid var(--ink);overflow:hidden}
.contact .section-lead{color:#FFE7F0;margin-bottom:30px}
.contact-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:56px;align-items:center}
.contact-card{position:relative;z-index:1;padding:32px;background:#fff;color:var(--ink);border:2px solid var(--ink);border-radius:var(--radius-l);box-shadow:0 10px 0 var(--ink)}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.contact-list li{display:grid;gap:2px}
.contact-list span{font-size:13px;color:var(--muted);font-weight:700}
.contact-list a,.contact-list b{font-size:22px;font-weight:900;word-break:break-all}
.contact-list a:hover{color:var(--pink-d)}
.contact-lead{margin:0 0 18px;font-size:16px;font-weight:700;color:var(--ink-2)}
.contact-empty{margin:0;font-size:18px;font-weight:700;line-height:1.75}
.contact-safe{margin:22px 0 0;padding-top:18px;border-top:2px dashed var(--line);font-size:13px;color:var(--muted)}
.contact-beads{display:flex;align-items:flex-end;gap:10px;margin-top:-12px;pointer-events:none}
.contact-beads img{width:96px;filter:drop-shadow(0 8px 0 #0000002a)}
.contact-beads img:nth-child(2){transform:rotate(8deg) translateY(-20px)}
.contact-beads img:nth-child(1){transform:rotate(-6deg)}

/* Footer */
.foot{background:var(--ink);color:#fff;padding:64px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.foot-logo{display:inline-block;padding:10px 14px;background:#fff;border-radius:14px}
.foot-logo img{width:110px}
.foot-brand p{margin:14px 0 0;color:#BDBDBD}
.foot nav{display:flex;flex-direction:column;gap:10px}
.foot h2{font-size:15px;font-weight:900;letter-spacing:0;margin-bottom:6px;color:var(--yellow)}
.foot nav a{color:#E2E2E2;font-size:15px}
.foot nav a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot-legal{margin:48px 0 0;padding-top:22px;border-top:1px solid #3A3A3A;font-size:13px;color:#9C9C9C}

/* Responsive */
@media(max-width:1080px){
  .hero-grid,.demo-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .board{max-width:620px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow li:after{display:none}
  .flow li{min-height:0}
  .panel{grid-template-columns:1fr;gap:28px;padding:28px}
}
@media(max-width:860px){
  .menu-toggle{display:block}
  .nav-cta{margin-left:auto}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:10px 16px 18px;background:#fff;border-bottom:2px solid var(--ink)}
  .menu.open{display:flex}
  .menu-item{height:52px;justify-content:space-between;border-radius:12px}
  .mega{position:static;width:auto;margin:6px 0 10px;padding:14px;box-shadow:0 4px 0 var(--ink);animation:none}
  .mega-grid{grid-template-columns:repeat(2,1fr)}
  .utility p{display:none}
  .utility-row{justify-content:flex-end}
}
@media(max-width:640px){
  .wrap{padding:0 16px}
  .nav-row{height:66px;gap:10px}
  .logo img{width:108px}
  .nav-cta{min-height:42px;padding:0 14px;font-size:14px}
  .utility nav{gap:16px}
  .utility nav a:first-child{display:none}
  .hero{padding:40px 0 56px}
  .lead,.section-lead{font-size:16px}
  .actions .brick{flex:1 1 100%}
  .facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .facts div{padding:10px}
  .facts dd{font-size:14px}
  .seat small{font-size:12px}
  .board-frame{padding:10px;border-radius:22px}
  .board-hint{bottom:16px;font-size:12px}
  .product,.features,.demo,.pricing,.contact{padding:72px 0}
  .flow{grid-template-columns:1fr}
  .panel{padding:20px}
  .demo-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .demo-app{padding:14px}
  .demo-floor{padding:12px;gap:10px}
  .demo-sheet{left:12px;right:12px;bottom:12px}
  .plans{grid-template-columns:1fr;gap:28px}
  .plan-main{order:-1}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
}