:root{color-scheme:light;--ink:#151a23;--muted:#667085;--blue:#1465ed;--blue-dark:#1053c8;--soft:#f3f7ff;--line:#e8edf3;--paper:#fff;--bg:#fff;--radius-lg:16px;--radius-md:12px}
*{box-sizing:border-box;min-width:0}
html{font-size:16px;scroll-padding-top:20px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65;overflow-wrap:anywhere}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a,input{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #80acfa;outline-offset:4px}
p,h1,h2,ul,ol{margin:0}
h1,h2{line-height:1.4;letter-spacing:-.025em}
h1{font-size:30px;font-weight:750}h2{font-size:20px;font-weight:700}
.touch{display:inline-flex;min-height:44px;min-width:44px;align-items:center;justify-content:center}
.demo-banner{background:#f4f7fc;color:#52627b;text-align:center;padding:9px 12px;font-size:16px;line-height:1.5}
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}
.header-inner{max-width:1040px;margin:auto;min-height:76px;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px}.brand-mark{background:var(--blue);color:#fff;border-radius:var(--radius-md);width:38px;height:38px;display:grid;place-items:center;font-size:20px;font-weight:700;flex-shrink:0}
.brand-name{font-size:20px;font-weight:700;letter-spacing:.04em}.header-note{color:#697386;font-size:16px;font-weight:400;white-space:nowrap}
.shell{max-width:1040px;padding:26px 16px 48px;margin:auto}.intro p{margin-top:8px;color:var(--muted)}
.search-form{display:flex;gap:8px;margin-top:22px}.search-form input{flex:1;width:0;max-width:100%;height:50px;border:1px solid #dbe2ec;box-shadow:0 1px 2px #11182704;border-radius:var(--radius-md);background:#fafbfd;padding:10px 14px;font-size:16px;color:var(--ink);appearance:none}
.search-form input:focus{border-color:var(--blue);background:#fff}.search-form input::placeholder{color:#738095;opacity:1}
.button{background:var(--blue);border:1px solid var(--blue);border-radius:var(--radius-md);color:#fff;padding:10px 18px;min-height:50px;line-height:1.5;text-align:center;font-weight:650;cursor:pointer;flex-shrink:0;font-size:16px}
.button:hover{background:var(--blue-dark)}
.categories{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.category{padding:7px 14px;border-radius:var(--radius-md);border:1px solid transparent;color:#4f5c70;font-size:16px}.category:hover{background:#f2f5fa}.category.active{background:var(--blue);color:#fff}
.results-bar strong{font-weight:500}.results-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:54px;margin:8px 0 12px;color:var(--muted)}
.clear{font-size:16px;color:var(--blue);text-decoration:underline;text-underline-offset:4px;padding:6px 4px}
.policy-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.policy-card{display:flex;flex-direction:column;padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 4px 18px #11182706}
.card-category{font-size:16px;color:var(--muted);margin-bottom:5px}.policy-card h2{font-size:20px}
.card-reward{display:flex;gap:9px;align-items:baseline;flex-wrap:wrap;color:var(--blue);margin-top:14px;line-height:1.3}.card-reward strong{font-size:34px;font-weight:760;letter-spacing:-.03em}.card-reward span{font-size:16px}
.card-summary{margin-top:12px;color:#424d60}.deadline{font-size:16px;color:var(--muted);margin-top:14px}.deadline time{display:inline-block}
.card-link{justify-content:space-between;gap:12px;color:var(--blue);font-weight:650;border-top:1px solid #edf1f6;margin-top:18px;padding:12px 0 0;min-height:48px}.card-link span{font-size:24px;line-height:1}
.card-link:hover{text-decoration:underline;text-underline-offset:4px}
.site-footer{text-align:center;padding:20px 16px 34px;font-size:16px;color:var(--muted);border-top:1px solid var(--line)}
.empty-state{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 18px;text-align:center}.empty-state p{color:var(--muted);margin:10px 0 20px}.empty-icon{font-size:42px;color:var(--blue);line-height:1;margin-bottom:18px}
.detail-shell{max-width:780px;padding-top:16px}.back-link{justify-content:flex-start;color:var(--blue);gap:8px;padding:8px 0}.detail-heading{margin:16px 0 22px}.eyebrow{color:var(--muted);margin-bottom:5px}.detail-heading h1{font-size:28px}
.reward-section{padding:22px 20px;border:1px solid #e0eafe;background:var(--soft);border-radius:var(--radius-lg);margin-bottom:20px}.reward-section h2{font-size:18px;color:var(--ink);margin-bottom:12px}
.hero-reward{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline;color:var(--blue);line-height:1.35}.hero-reward strong{font-size:42px;letter-spacing:-.04em}.hero-reward span{font-size:18px}
.detail-section{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);padding:22px 20px;margin-top:16px;scroll-margin-top:20px}.detail-section h2{margin-bottom:14px}
.detail-section ul,.detail-section ol{padding-left:23px}.detail-section li+li{margin-top:10px}.detail-section li::marker{color:var(--blue)}
.detail-section ol li{padding-left:3px}.tier-list{display:grid;gap:12px}.tier{padding:16px;background:#fff;border:1px solid #dfe7f4;border-radius:var(--radius-md)}.tier-condition{font-weight:650}.tier-amount{margin:6px 0;color:var(--blue);line-height:1.3}.tier-amount strong{font-size:36px}.tier-amount span{font-size:18px}.tier>p:last-child:not(.tier-amount){color:var(--muted);font-size:16px}
.model-search{margin-top:0}.model-count{margin:12px 0;font-size:16px;color:var(--muted)}.model-list{display:grid;gap:0;list-style:none;padding:0!important}.model-list li{font-size:16px;font-variant-numeric:tabular-nums;margin:0!important;padding:12px 0;border-top:1px solid #edf1f6;overflow-wrap:anywhere;word-break:break-word}.model-empty{color:var(--muted);padding:10px 0}.load-more{width:100%;margin-top:12px;white-space:normal}
.button.secondary{color:var(--blue);border-color:#d7e3f7;background:#fff}.button.secondary:hover{background:var(--soft)}.date-row{display:grid;grid-template-columns:minmax(80px,.7fr) minmax(0,1.3fr);gap:12px;padding:12px 0;border-top:1px solid #edf1f6}.date-row:first-of-type{border-top:0;padding-top:0}.date-row:last-child{padding-bottom:0}.date-row>span,.date-row p{color:var(--muted)}.date-row strong{font-size:16px}
.attention{border-color:#e8edf3;background:#fafbfd}.attention h2{color:var(--ink)}.attention li::marker{color:var(--blue)}
.missing-note{margin-top:18px;padding-top:14px;border-top:1px solid #dce6f7;color:#425573}.missing-note p{margin-top:5px}.bottom-back{width:100%;margin-top:24px}
.visually-hidden{position:absolute;overflow:hidden;clip-path:inset(50%);width:1px;height:1px;white-space:nowrap}
.skip-link{position:absolute;left:12px;top:-100px;background:white;padding:10px;z-index:10}.skip-link:focus{top:10px}
@media(min-width:700px){.shell{padding:36px 24px 56px}.policy-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.policy-card{padding:24px}.intro h1{font-size:36px}.search-form{max-width:640px}.detail-shell{padding-top:20px}.detail-heading h1{font-size:34px}.reward-section,.detail-section{padding:26px}.tier-list{grid-template-columns:repeat(2,minmax(0,1fr))}.model-list{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:background-color .15s ease}}
@media print{.search-form,.categories,.back-link,.bottom-back,.load-more{display:none}.demo-banner{border:2px solid #52627b}.policy-card,.detail-section,.reward-section{break-inside:avoid;box-shadow:none}}

[hidden]{display:none!important}.model-reward{display:block;margin-top:4px;color:var(--blue);font-size:16px;font-weight:650}