/* Compact rounded template; retain the selected black, white and gray palette. */
:root{color-scheme:light;--bg:#f1f1f1;--surface:#fff;--ink:#181818;--muted:#5a5a5a;--accent:#242424;--line:#d8d8d8;--tint:#e9e9e9;--field:#f3f3f3;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}p,h1,h2,h3{margin:0}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--ink);outline-offset:4px}::selection{background:#d8d8d8}.svg-definitions{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.page-shell{max-width:932px;margin:auto;padding:30px 24px 40px}.chef-banner{display:flex;align-items:center;gap:24px;padding:24px 28px;background:linear-gradient(120deg,#fafafa,#e7e7e7);border:1px solid var(--line);border-radius:24px;box-shadow:0 8px 24px #00000004}.chef-portrait{flex:none;width:96px;height:96px;object-fit:contain;border-radius:0}.chef-copy{min-width:0}.chef-eyebrow{font-size:15px;line-height:1.5;color:var(--muted)}h1{font-size:28px;line-height:1.35;font-weight:750;margin:5px 0 8px;letter-spacing:-.035em}.chef-promise{font-size:17px;font-weight:700;line-height:1.4}.chef-promise strong{font-size:1.08em}
.rebate-card{margin:20px 0;padding:19px 24px 17px;text-align:center;background:#fafafa;border:1px solid var(--line);border-radius:24px}.rebate-card h2{font-size:17px;line-height:1.5;font-weight:700}.rebate-definition{font-size:14px;color:var(--muted);line-height:1.6;margin-top:6px}.rebate-equation{display:flex;justify-content:center;align-items:baseline;gap:25px;margin:10px 0 7px;white-space:nowrap}.rebate-equation>span{display:inline-flex;align-items:baseline;gap:6px}.rebate-equation strong{font-size:32px;line-height:1.25;font-weight:750;letter-spacing:-.025em}.rebate-equation small{font-size:13px;color:var(--muted)}.rebate-equation>b{font-size:25px;font-weight:400;color:#707070}.rebate-note{font-size:13px;line-height:1.6;color:var(--muted)}
.exchange-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.exchange-group{min-width:0;display:flex;flex-direction:column;gap:18px}.exchange-card{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:0 8px 20px #00000005}.exchange-heading{text-align:center}.logo-badge{display:flex;justify-content:center;align-items:center;width:144px;height:86px;margin:0 auto 15px;background:transparent;border-radius:20px}.binance-logo,.okx-logo{width:76px;height:76px;object-fit:contain;border-radius:16px}.exchange-heading h2{font-size:23px;line-height:1.4;font-weight:750;letter-spacing:-.02em}.register-button,.wallet-button{display:flex;justify-content:center;align-items:center;gap:8px;min-height:50px;border-radius:13px;font-size:17px;line-height:1.3;font-weight:650;transition:background .15s ease,transform .15s ease}.register-button{margin-top:16px;background:var(--accent);color:#fff}.register-button span,.wallet-button span{font-size:19px;font-weight:400}.register-button:hover{background:#3a3a3a}.register-button:active,.wallet-button:active{transform:translateY(1px)}.invite-code-row{display:flex;align-items:center;gap:9px;position:relative;min-width:0;min-height:43px;margin-top:11px;padding:0 11px;background:var(--field);border-radius:11px}.code-label{flex:none;font-size:12px;line-height:1.5;color:var(--muted)}.invite-code-row>strong{min-width:0;white-space:nowrap;font-size:18px;font-weight:750;letter-spacing:.015em;line-height:1.5;user-select:all}.copy-button{display:grid;place-items:center;flex:none;width:32px;height:38px;margin:0 -4px 0 auto;padding:6px;border:0;border-radius:7px;color:var(--muted);background:transparent;cursor:pointer;transition:background .15s ease}.copy-button:hover{background:#e2e2e2}.copy-button svg{width:20px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.copy-button.is-copied{color:var(--ink);background:#dedede}.download-links{display:grid;grid-template-columns:1fr 1fr;align-items:center;margin-top:14px;min-height:44px}.download-links a{display:flex;align-items:center;justify-content:center;min-height:44px;font-size:15px;line-height:1.4;white-space:nowrap;border-radius:5px}.download-links a+a{position:relative}.download-links a+a:before{content:"";position:absolute;width:1px;height:23px;left:0;top:50%;transform:translateY(-50%);background:var(--line)}.download-links a:hover{background:#f5f5f5}
.wallet-card{padding:20px 22px;background:#fafafa;border:1px solid var(--line);border-radius:24px}.wallet-card h3{display:flex;align-items:center;gap:9px;min-height:26px;font-size:15px;line-height:1.45;font-weight:700;white-space:nowrap}.wallet-card h3 img{flex:none;object-fit:contain}.wallet-binance-logo,.wallet-okx-logo{width:25px;height:25px;border-radius:5px}.wallet-card .invite-code-row{padding:0;background:transparent;margin-top:10px}.wallet-card .copy-button{margin-right:-4px}.wallet-button{min-height:46px;margin-top:9px;background:#e9e9e9;font-size:16px}.wallet-button:hover{background:#dedede}.copy-toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;z-index:10;max-width:calc(100vw - 32px);padding:11px 18px;border-radius:12px;box-shadow:0 5px 25px #0002;background:#242424;color:#fff;text-align:center;font-size:14px;line-height:1.5;opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;pointer-events:none}.copy-toast.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0)}
@media(max-width:600px){.page-shell{padding:16px 14px 25px}.chef-banner{padding:16px;gap:13px;border-radius:22px}.chef-portrait{width:76px;height:76px}.chef-eyebrow{font-size:11px;white-space:nowrap}h1{font-size:21px;margin:4px 0 6px;line-height:1.35}.chef-promise{font-size:14px}.rebate-card{margin:14px 0 16px;padding:13px 12px 12px;border-radius:22px}.rebate-card h2{font-size:14px;line-height:1.4}.rebate-definition{font-size:11px;line-height:1.6;margin-top:5px}.rebate-equation{gap:12px;margin:9px 0 7px}.rebate-equation>span{gap:4px}.rebate-equation strong{font-size:25px}.rebate-equation small{font-size:10px}.rebate-equation>b{font-size:20px}.rebate-note{font-size:11px}.exchange-grid{gap:12px}.exchange-group{gap:13px}.exchange-card{padding:16px 12px 12px;border-radius:24px}.logo-badge{width:105px;height:64px;border-radius:17px;margin-bottom:11px}.binance-logo,.okx-logo{width:60px;height:60px;border-radius:13px}.exchange-heading h2{font-size:18px;line-height:1.4}.register-button{min-height:44px;margin-top:11px;font-size:14px;border-radius:11px;gap:5px}.register-button span,.wallet-button span{font-size:17px}.invite-code-row{padding:0 7px;min-height:40px;gap:5px;margin-top:9px;border-radius:9px}.code-label{font-size:10px}.invite-code-row>strong{font-size:15px;letter-spacing:0}.copy-button{width:26px;height:36px;padding:4px;margin-right:-3px}.copy-button svg{width:17px;height:20px}.download-links{margin-top:11px;min-height:42px}.download-links a{font-size:11.5px;min-height:42px}.download-links a+a:before{height:20px}.wallet-card{padding:14px 12px 12px;border-radius:22px}.wallet-card h3{font-size:12px;gap:5px;min-height:23px;letter-spacing:-.025em}.wallet-binance-logo,.wallet-okx-logo{width:20px;height:20px;border-radius:4px}.wallet-card .invite-code-row{margin-top:7px;min-height:36px;gap:5px}.wallet-card .invite-code-row>strong{font-size:14px}.wallet-card .code-label{font-size:10px}.wallet-button{min-height:42px;font-size:14px;margin-top:7px;border-radius:11px;gap:5px}}
@media(max-width:350px){.page-shell{padding:12px 9px 20px}.chef-banner{padding:13px;gap:10px}.chef-portrait{width:66px;height:66px}h1{font-size:19px}.chef-eyebrow{font-size:10px}.rebate-equation{gap:9px}.rebate-equation strong{font-size:22px}.rebate-equation small{font-size:9px}.rebate-definition{font-size:10px}.exchange-grid{gap:9px}.exchange-card{padding:14px 9px 10px}.exchange-heading h2{font-size:17px}.wallet-card{padding:12px 9px 10px}.wallet-card h3{font-size:11px;gap:4px}.wallet-card .invite-code-row{gap:3px}.wallet-card .invite-code-row>strong{font-size:13px}.wallet-card .code-label{font-size:9px}.copy-button{width:24px}.download-links a{font-size:10.5px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}