:root {
  --ink: #1b1b19;
  --paper: #fffdf8;
  --ground: #f1ede4;
  --acid: #d9ff43;
  --orange: #ff6038;
  --muted: #6d6a63;
  --line: #cbc5b9;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ground);
  font-family: "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  min-height: 100vh;
}
.noise { position: fixed; inset: 0; pointer-events: none; opacity: .22; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E"); }
.topbar { height: 78px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(22px, 5vw, 72px); border-bottom: 1px solid var(--line); }
.brand { color: inherit; text-decoration: none; font-weight: 900; letter-spacing: -.04em; display: flex; gap: 10px; align-items: center; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; border: 2px solid var(--ink); border-radius: 50%; background: var(--acid); }
.privacy-pill { font-size: 12px; border: 1px solid var(--ink); padding: 8px 12px; border-radius: 99px; text-transform: uppercase; letter-spacing: .08em; background: var(--paper); }
.privacy-pill span { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #41a44b; margin-right: 6px; }
main { overflow: hidden; }
.hero { max-width: 1180px; margin: 0 auto; padding: clamp(65px, 9vw, 120px) clamp(22px, 5vw, 72px) 50px; }
.eyebrow { font-size: 12px; letter-spacing: .2em; font-weight: 800; margin-bottom: 24px; }
h1 { font-size: clamp(54px, 8.8vw, 126px); line-height: .88; letter-spacing: -.085em; margin: 0; max-width: 980px; font-weight: 950; }
h1 em { font-style: normal; color: var(--orange); position: relative; }
h1 em::after { content: ""; position: absolute; left: -2%; right: -8%; bottom: 2%; height: 9px; background: var(--ink); transform: rotate(-2deg); }
.lead { font-size: clamp(17px, 2vw, 24px); color: var(--muted); margin: 34px 0 0; }
.toss-zone { max-width: 1180px; margin: 20px auto 120px; padding: 0 clamp(22px, 5vw, 72px); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr); gap: clamp(30px, 6vw, 90px); align-items: end; }
.paper-wrap { perspective: 1000px; }
.paper { background: var(--paper); border: 2px solid var(--ink); box-shadow: 10px 10px 0 var(--ink); padding: clamp(24px, 4vw, 44px); transform: rotate(-.45deg); transition: transform .35s ease; position: relative; }
.paper::before { content: ""; position: absolute; width: 78px; height: 24px; background: rgba(217,255,67,.72); top: -13px; left: 44%; transform: rotate(2deg); }
.paper:focus-within { transform: rotate(0); }
.paper-topline { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-weight: 900; font-size: 15px; }
#counter { font-size: 11px; color: var(--muted); font-weight: 600; }
textarea { width: 100%; height: 230px; border: 0; border-bottom: 1px solid var(--line); outline: 0; resize: vertical; padding: 25px 0; background: transparent; font: 500 clamp(17px, 2vw, 22px)/1.75 inherit; color: var(--ink); }
textarea::placeholder, input::placeholder { color: #aaa59c; }
.form-bottom { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding-top: 23px; }
.nickname-field { flex: 1; }
.nickname-field label { display: block; font-size: 12px; font-weight: 800; margin-bottom: 9px; }
.nickname-field label span { color: var(--muted); font-weight: 500; }
.nickname-field input { width: 100%; border: 0; border-bottom: 1px solid var(--ink); padding: 8px 0; background: transparent; outline: 0; font: inherit; }
.honey { position: absolute; left: -9999px; opacity: 0; }
.toss-button { flex: 0 0 auto; min-width: 198px; padding: 15px 18px; border: 2px solid var(--ink); background: var(--acid); color: var(--ink); font: 900 14px inherit; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; box-shadow: 4px 4px 0 var(--ink); transition: transform .15s, box-shadow .15s; }
.toss-button:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.toss-button:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.toss-button:disabled { opacity: .55; cursor: wait; }
.button-arrow { font-size: 22px; }
.turnstile-box { margin-top: 22px; min-height: 0; }
.form-hint { font-size: 11px; color: var(--muted); margin: 18px 0 0; }
.status { min-height: 18px; font-size: 12px; font-weight: 800; margin: 10px 0 0; color: #ad2c15; }
.bin-scene { text-align: center; position: relative; padding-bottom: 12px; }
.bin { width: 210px; margin: 0 auto; filter: drop-shadow(12px 12px 0 rgba(27,27,25,.12)); }
.bin-lid { height: 35px; background: var(--ink); border: 3px solid var(--ink); transform-origin: 12% 100%; transition: transform .4s cubic-bezier(.2,.8,.2,1); }
.bin-handle { width: 70px; height: 18px; border: 10px solid var(--ink); border-bottom: 0; margin: -54px auto 36px; }
.bin-body { height: 250px; border: 3px solid var(--ink); background: var(--orange); clip-path: polygon(5% 0, 95% 0, 86% 100%, 14% 100%); display: flex; justify-content: center; gap: 22px; position: relative; }
.bin-body i { display: block; width: 5px; height: 170px; background: var(--ink); margin-top: 25px; transform: rotate(-2deg); opacity: .7; }
.bin-body i:nth-child(2) { transform: none; }.bin-body i:nth-child(3) { transform: rotate(2deg); }
.bin-body span { position: absolute; bottom: 23px; left: 50%; transform: translateX(-50%) rotate(-3deg); font: 900 12px inherit; background: var(--paper); border: 2px solid var(--ink); padding: 7px 12px; white-space: nowrap; }
.bin-scene > p { font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.paper-ball { position: absolute; z-index: 4; width: 50px; height: 50px; border: 2px solid var(--ink); border-radius: 42% 58% 47% 53%; background: var(--paper); left: calc(50% - 25px); top: -140px; display: grid; place-items: center; font-size: 22px; opacity: 0; }
.tossing .bin-lid { transform: rotate(-26deg); }
.tossing .paper-ball { animation: drop .9s cubic-bezier(.5,0,.8,.4) forwards; }
@keyframes drop { 0% { opacity: 1; transform: translate(-300px,-100px) rotate(0) scale(1.6); } 75% { opacity: 1; transform: translate(0,155px) rotate(370deg) scale(.8); } 100% { opacity: 0; transform: translate(0,200px) rotate(480deg) scale(.4); } }
.promise { background: var(--ink); color: var(--paper); padding: 70px max(22px, calc((100vw - 1036px) / 2)); }
.promise-title { color: var(--acid); font-size: 12px; letter-spacing: .18em; font-weight: 900; margin-bottom: 36px; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #55534d; }
.promise article { padding: 30px 30px 15px 0; }
.promise article + article { border-left: 1px solid #55534d; padding-left: 30px; }
.promise b { color: var(--orange); font-size: 12px; }.promise h2 { font-size: 20px; margin: 25px 0 10px; }.promise p { color: #aaa69e; font-size: 13px; line-height: 1.8; max-width: 260px; }
footer { padding: 28px clamp(22px, 5vw, 72px); display: flex; justify-content: space-between; gap: 30px; font-size: 10px; color: var(--muted); }
.success-layer { position: fixed; z-index: 30; inset: 0; background: var(--acid); display: grid; place-items: center; padding: 30px; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.success-layer.show { opacity: 1; visibility: visible; }
.success-card { text-align: center; max-width: 650px; }.success-kicker { font-size: 12px; font-weight: 900; letter-spacing: .18em; }.success-card h2 { font-size: clamp(52px, 8vw, 100px); line-height: .92; letter-spacing: -.07em; margin: 28px 0; }.success-card p { max-width: 440px; margin: 0 auto 28px; line-height: 1.8; }.success-card button, .close-success { border: 2px solid var(--ink); background: var(--paper); box-shadow: 4px 4px 0 var(--ink); padding: 13px 24px; font: 900 14px inherit; cursor: pointer; }.close-success { position: absolute; right: 30px; top: 30px; width: 46px; height: 46px; padding: 0; font-size: 24px; }

@media (max-width: 760px) {
  .topbar { height: 64px; }.privacy-pill { font-size: 0; padding: 8px 10px; }.privacy-pill span { margin: 0; }
  .hero { padding-top: 60px; }.toss-zone { grid-template-columns: 1fr; margin-bottom: 75px; }.paper { box-shadow: 7px 7px 0 var(--ink); }.form-bottom { flex-direction: column; align-items: stretch; }.toss-button { width: 100%; }.bin-scene { margin-top: 70px; transform: scale(.85); }.promise-grid { grid-template-columns: 1fr; }.promise article + article { border-left: 0; border-top: 1px solid #55534d; padding-left: 0; }.promise article { padding: 28px 0; } footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; scroll-behavior: auto !important; transition-duration: .01ms !important; } }