/* 共绘 CoPaint $DRAW v2 — Web3 风：电光黄 #F5D90A + 深紫 #2A1454 + 黑
   成品规范：统一间距（8/16/24/40）、卡片 3px 黑边 + 8px 硬阴影、全站同一套 hover/按下态 */
:root{
  --yellow:#F5D90A; --purple:#2A1454; --deep:#150A2E; --ink:#0D0718;
  --violet:#7C3AED; --cyan:#00E5FF; --paper:#FFFDF5; --red:#FF3B5C; --orange:#FF7A1A;
  --border:3px solid var(--ink); --shadow:8px 8px 0 var(--ink); --shadow-s:5px 5px 0 var(--ink);
  --r:0px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--purple);color:var(--paper);font-family:"Arial Black","PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.6;font-size:16px}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
/* ---------- 顶栏 ---------- */
.topbar{background:var(--ink);border-bottom:var(--border);position:sticky;top:0;z-index:50}
.topbar .wrap{display:flex;align-items:center;gap:16px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:22px;letter-spacing:1px;line-height:1.2}
.logo .mark{display:inline-grid;grid-template-columns:repeat(3,9px);gap:2px;background:var(--yellow);padding:5px;border:2px solid var(--paper);flex:none}
.logo .mark i{width:9px;height:9px;background:var(--ink)}
.logo .mark i:nth-child(2),.logo .mark i:nth-child(4),.logo .mark i:nth-child(6),.logo .mark i:nth-child(8){background:var(--yellow)}
.logo small{color:var(--yellow);font-size:12px;letter-spacing:2px}
nav.mainnav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
nav.mainnav a{text-decoration:none;padding:8px 14px;border:2px solid transparent;font-size:15px;transition:all .15s}
nav.mainnav a:hover{border-color:var(--paper);color:var(--paper)}
nav.mainnav a.on{border-color:var(--yellow);color:var(--yellow)}
nav.mainnav a:active{transform:translateY(2px)}
.langbtn{background:var(--yellow);color:var(--ink);border:2px solid var(--paper);font:inherit;font-weight:900;padding:7px 16px;cursor:pointer;min-height:40px;transition:all .15s}
.langbtn:hover{background:var(--cyan)}
.langbtn:active{transform:translateY(2px)}
/* ---------- 状态条（合约） ---------- */
.contractbar{background:var(--yellow);color:var(--ink);border-bottom:var(--border)}
.contractbar .wrap{display:flex;gap:12px;align-items:center;padding-top:9px;padding-bottom:9px;flex-wrap:wrap;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;font-weight:700}
.cb-item{display:flex;gap:8px;align-items:center;background:var(--paper);border:2px solid var(--ink);padding:4px 10px}
.cb-item .st{font-family:inherit;font-weight:900}
.cb-status{background:var(--ink);color:var(--yellow);border:2px solid var(--ink);padding:4px 10px;font-weight:900;letter-spacing:.5px}
.mini-btn{font:inherit;font-size:12px;background:var(--ink);color:var(--yellow);border:none;padding:4px 10px;cursor:pointer;font-weight:900;transition:all .15s}
.mini-btn:hover{background:var(--violet);color:#fff}
.mini-btn:active{transform:translateY(1px)}
.mini-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
/* ---------- 通用 ---------- */
.demo-badge{display:inline-block;background:var(--red);color:#fff;font-weight:900;padding:4px 12px;transform:rotate(-2deg);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);font-size:13px;letter-spacing:1px}
.status-badge{display:inline-block;background:var(--violet);color:#fff;font-weight:900;padding:5px 14px;border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);font-size:14px;letter-spacing:1px}
section.blk{padding:56px 0}
h1.mega{font-size:clamp(54px,9vw,118px);line-height:.98;letter-spacing:1px;text-transform:uppercase}
h1.mega .hl{color:var(--yellow);text-shadow:6px 6px 0 var(--ink)}
h2.sec{font-size:clamp(28px,4.4vw,44px);text-transform:uppercase;margin-bottom:10px;line-height:1.15}
h2.sec .hl{color:var(--yellow)}
h3{font-size:20px;line-height:1.3}
.sub{opacity:.88;max-width:780px}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--yellow);color:var(--ink);border:var(--border);box-shadow:6px 6px 0 var(--ink);padding:13px 26px;font-weight:900;font-size:17px;text-decoration:none;cursor:pointer;font-family:inherit;min-height:52px;transition:transform .12s,box-shadow .12s,background .12s}
.btn:hover{transform:translate(2px,2px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:translate(5px,5px);box-shadow:1px 1px 0 var(--ink)}
.btn.ghost{background:transparent;color:var(--paper);border-color:var(--paper);box-shadow:6px 6px 0 rgba(0,0,0,.45)}
.btn.ghost:hover{box-shadow:4px 4px 0 rgba(0,0,0,.45)}
.btn.ghost:active{box-shadow:1px 1px 0 rgba(0,0,0,.45)}
.btn.cyan{background:var(--cyan)}
.btn:disabled{opacity:.48;cursor:not-allowed;transform:none;box-shadow:6px 6px 0 var(--ink)}
.card{background:var(--paper);color:var(--ink);border:var(--border);box-shadow:var(--shadow);padding:22px}
.card.dark{background:var(--deep);color:var(--paper);border-color:#000}
.card h3{margin-bottom:6px}
.tag{display:inline-block;background:var(--ink);color:var(--yellow);font-size:12px;font-weight:900;padding:3px 10px;letter-spacing:1px}
.tag.red{background:var(--red);color:#fff}.tag.cyan{background:var(--cyan);color:var(--ink)}
/* ---------- 首页 ---------- */
.hero{padding:64px 0 40px;background:radial-gradient(900px 480px at 85% 0%,rgba(124,58,237,.5),transparent 60%),var(--purple)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.oneliner{font-size:clamp(18px,2.4vw,24px);margin:22px 0;max-width:620px}
.oneliner b{color:var(--yellow)}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin:24px 0}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.stat{background:var(--ink);border:2px solid var(--yellow);padding:14px 16px;overflow-wrap:break-word;min-width:0}
.stat .n{font-size:clamp(15px,2.6vw,28px);color:var(--yellow);line-height:1.2;overflow-wrap:anywhere}
.stat .l{font-size:13px;opacity:.85;margin-top:4px}
.hero-fig{background:var(--ink);border:var(--border);border-color:#000;box-shadow:12px 12px 0 rgba(0,0,0,.5);padding:12px}
.hero-fig img{display:block;width:100%;height:auto;border:2px solid var(--yellow)}
.hero-fig .fig-cap{display:flex;justify-content:space-between;gap:10px;font-family:ui-monospace,Menlo,monospace;font-size:13px;padding-top:10px;color:var(--cyan);flex-wrap:wrap}
.board-frame{background:var(--ink);border:var(--border);border-color:#000;box-shadow:12px 12px 0 rgba(0,0,0,.5);padding:12px}
.board-frame canvas{width:100%;height:auto;display:block;image-rendering:pixelated;background:#1D1140}
.board-cap{display:flex;justify-content:space-between;gap:10px;font-family:ui-monospace,Menlo,monospace;font-size:13px;padding-top:9px;color:var(--cyan);flex-wrap:wrap}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.steps.two{grid-template-columns:repeat(2,1fr)}
.steps .num{font-size:44px;color:var(--purple);line-height:1}
.card .num{font-size:44px;color:var(--yellow);-webkit-text-stroke:2px var(--ink);line-height:1.1}
.alloc-bars{margin-top:20px;display:grid;gap:12px}
.alloc-row{display:grid;grid-template-columns:230px 1fr 110px;gap:14px;align-items:center;font-weight:700}
.alloc-track{background:var(--ink);height:26px;border:2px solid var(--paper)}
.alloc-fill{height:100%}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
/* ---------- 应用页 ---------- */
.app-head{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.brand-thumb{width:92px;height:92px;object-fit:cover;border:var(--border);box-shadow:var(--shadow-s);flex:none;background:var(--ink)}
.count-chip{background:var(--ink);border:2px solid var(--yellow);color:var(--paper);padding:10px 18px;font-family:ui-monospace,Menlo,monospace}
.count-chip .cd{font-size:26px;color:var(--yellow);font-weight:900;letter-spacing:1px}
.count-chip .cl{font-size:12px;opacity:.85}
.app-grid{display:grid;grid-template-columns:300px minmax(0,1fr) 340px;gap:22px;align-items:start;margin-top:26px}
.loglist{display:flex;flex-direction:column;gap:10px;max-height:660px;overflow:auto;padding-right:2px}
.logitem{border:2px solid var(--ink);background:#fff;padding:9px 11px;font-size:13px}
.logitem.fresh{background:#FFF7CC;border-color:var(--ink);box-shadow:4px 4px 0 var(--ink)}
.logitem .lh{display:flex;gap:8px;align-items:center;font-family:ui-monospace,Menlo,monospace;flex-wrap:wrap}
.dot{width:12px;height:12px;border:2px solid var(--ink);flex:none}
.logitem .note{opacity:.75}
canvas#boardCanvas{cursor:crosshair}
.oprow{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:8px 0;border-bottom:2px dashed rgba(13,7,24,.25)}
.oprow .v{font-size:20px;font-weight:900;text-align:right}
.qtyrow{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.qty{flex:1 1 calc(20% - 8px);font:inherit;font-weight:900;font-size:18px;padding:10px 0;background:#fff;border:var(--border);cursor:pointer;min-height:48px;transition:all .12s}
.qty:hover{background:#FFF3B0}
.qty:active{transform:translateY(2px)}
.qty.on{background:var(--yellow);box-shadow:4px 4px 0 var(--ink)}
.qty:disabled{opacity:.35;cursor:not-allowed;background:#E8E4D8;box-shadow:none}
.qty:disabled:hover{background:#E8E4D8}
.qty:disabled:active{transform:none}
.palette{display:grid;grid-template-columns:repeat(8,1fr);gap:7px;margin:10px 0 4px}
.swatch{height:38px;border:2px solid var(--ink);cursor:pointer;padding:0;transition:transform .1s}
.swatch:hover{transform:scale(1.1)}
.swatch.on{box-shadow:0 0 0 3px var(--paper),0 0 0 6px var(--ink);transform:scale(1.06)}
.selinfo{font-family:ui-monospace,Menlo,monospace;font-size:13px;background:var(--ink);color:var(--cyan);padding:8px 11px;margin-top:10px;min-height:36px}
.progress{height:22px;background:var(--ink);border:2px solid var(--ink);margin:8px 0}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--yellow),var(--orange));transition:width .4s}
/* ---------- 模拟器/表格 ---------- */
.sim input[type=range]{width:100%;accent-color:var(--yellow);height:36px;cursor:pointer}
.sim table,.tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:15px}
.sim th,.sim td,.tbl th,.tbl td{border:2px solid var(--ink);padding:9px 11px;text-align:right;background:#fff}
.sim th,.tbl th{background:var(--ink);color:var(--yellow)}
.sim td:first-child,.sim th:first-child,.tbl td:first-child,.tbl th:first-child{text-align:left}
.sim tbody tr:hover td,.tbl tbody tr:hover td{background:#FFF7CC}
.pos{color:#15803d;font-weight:900}.neg{color:#dc2626;font-weight:900}
/* ---------- 我的面板（连贯状态） ---------- */
.flow{list-style:none;margin-top:14px;display:grid;gap:0}
.flow li{display:flex;gap:12px;padding:10px 0;border-bottom:2px dashed rgba(13,7,24,.25);font-size:14.5px}
.flow li:last-child{border-bottom:none}
.flow .fi{flex:none;width:30px;height:30px;background:var(--ink);color:var(--yellow);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:14px}
.flow li b{display:block;font-size:15.5px}
/* ---------- FAQ ---------- */
.faq details{background:var(--paper);color:var(--ink);border:var(--border);box-shadow:6px 6px 0 var(--ink);margin-bottom:14px;padding:17px 19px}
.faq summary{font-weight:900;font-size:17px;cursor:pointer}
.faq summary:hover{color:var(--violet)}
.faq details.risk{background:#FFF3F3}
.faq p{margin-top:9px}
/* ---------- 页脚 ---------- */
footer{background:var(--ink);padding:34px 0 30px;margin-top:48px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.2fr .8fr 1.2fr;gap:26px;align-items:start}
.foot-brand{display:flex;gap:12px;align-items:center;font-size:19px}
.foot-brand img{width:54px;height:54px;object-fit:cover;border:2px solid var(--yellow)}
.foot-brand small{display:block;color:var(--yellow);font-size:11px;letter-spacing:2px}
footer nav{display:flex;flex-direction:column;gap:7px}
footer nav a{text-decoration:none;opacity:.92}
footer nav a:hover{color:var(--yellow);opacity:1}
.foot-meta{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;display:grid;gap:6px;opacity:.95}
.foot-risk{grid-column:1/-1;border-top:2px dashed rgba(255,253,245,.35);padding-top:14px;opacity:.75;font-size:13px}
/* ---------- 白名单专区表单 ---------- */
.wl-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px;align-items:stretch}
.wl-input{flex:1;min-width:220px;font:inherit;font-size:15px;padding:12px 14px;border:var(--border);background:#fff;color:var(--ink);min-height:52px}
.wl-input:focus{outline:3px solid var(--cyan);outline-offset:1px}
.card.dark .wl-input{background:var(--paper)}
/* ---------- 其他 ---------- */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(110px);background:var(--yellow);color:var(--ink);border:var(--border);box-shadow:var(--shadow);padding:13px 24px;font-weight:900;z-index:99;transition:transform .25s;max-width:92vw;text-align:center}
.toast.show{transform:translateX(-50%) translateY(0)}
.share-preview{max-width:100%;border:var(--border);display:none;margin-top:14px}
.rules-hero{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.rules-hero img{width:118px;height:118px;object-fit:cover;border:var(--border);box-shadow:var(--shadow-s);background:var(--ink);flex:none}
/* ---------- 平板 ---------- */
@media (max-width:1100px){
  .app-grid{grid-template-columns:280px minmax(0,1fr) 300px}
}
/* ---------- 移动端 ≤900px：单栏，画布优先 → 操作卡 → 日志 ---------- */
@media (max-width:900px){
  .wrap{padding:0 16px}
  section.blk{padding:38px 0}
  .hero{padding:40px 0 28px}
  .hero-grid,.grid2{grid-template-columns:1fr}
  .steps,.steps.two{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:minmax(0,1fr)}
  .col-board{order:1}
  .col-op{order:2}
  .col-log{order:3}
  .loglist{max-height:320px}
  .board-frame{padding:8px;box-shadow:8px 8px 0 rgba(0,0,0,.5)}
  .btn{min-height:52px;width:100%}
  .cta-row .btn{width:auto;flex:1}
  .qty{min-height:52px}
  .swatch{height:44px}
  .alloc-row{grid-template-columns:1fr;gap:5px}
  .alloc-row .alloc-track{order:3}
  .foot-grid{grid-template-columns:1fr}
  .brand-thumb{width:72px;height:72px}
  .count-chip .cd{font-size:21px}
  .contractbar .wrap{font-size:12px}
  .logo{font-size:19px}
  nav.mainnav{margin-left:0}
}

/* chain 模式读取状态横幅（JS 动态创建 #chainError：加载中 / 读取失败 / 待部署三态，mock 模式不出现） */
.chain-error{position:sticky;top:0;z-index:80;background:#B91C1C;color:#FFF7ED;font-weight:700;text-align:center;padding:10px 14px;font-size:14px;letter-spacing:.02em;box-shadow:0 2px 10px rgba(0,0,0,.35)}