:root{--bg:#f6f7f4;--paper:#fff;--ink:#192e29;--muted:#74807b;--green:#16654e;--green-dark:#104f3d;--line:#e3e8e2;--soft:#eaf2ea;--peach:#f5ede1;--red:#a83d39}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:14px;line-height:1.65}button,input,select,textarea{font:inherit}button,a,input,textarea,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #e3a759;outline-offset:4px}input:focus,textarea:focus,select:focus{border-color:var(--green);outline:3px solid #16654e15}button[hidden],[hidden]{display:none!important}.shell{max-width:1160px;margin:0 auto;padding-left:32px;padding-right:32px}.header{background:#ffffffed;border-bottom:1px solid var(--line)}.header-inner{height:88px;display:flex;align-items:center;gap:56px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:24px;line-height:1.1;letter-spacing:1px}.brand-mark{width:42px;height:45px;background:var(--green);border-radius:12px 12px 4px 12px;display:grid;place-items:center;color:#fff;font-size:23px}.brand-en{display:block;font-size:8px;color:#75847b;letter-spacing:2px;margin-top:6px}.header nav{display:flex;gap:30px;align-items:center;flex:1}.header nav a,.nav-btn{font-size:13px;font-weight:600;white-space:nowrap}.nav-btn{padding:12px 0;background:none;border:0;color:inherit}.nav-active{color:var(--green)}.local-label{font-size:11px;color:#63736b;border:1px solid var(--line);background:#f9fbf8;padding:5px 10px;border-radius:20px;white-space:nowrap;display:flex;align-items:center;gap:6px}.dot{width:6px;height:6px;border-radius:50%;background:#7c9e77}.intro{padding-top:60px;padding-bottom:38px;display:grid;grid-template-columns:1.25fr 1fr;gap:70px;align-items:center}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);margin:0 0 14px;font-weight:600}.intro h1{font-size:clamp(34px,4vw,49px);font-weight:750;line-height:1.4;letter-spacing:-1.3px;margin:0 0 18px}.title-dot{color:var(--green)}.intro-description{font-size:14px;color:#748079;line-height:1.95}.intro-meta{display:flex;gap:17px;font-size:11px;color:#7b847e;margin-top:20px;flex-wrap:wrap}.intro-meta span:before{content:"✓";color:var(--green);margin-right:5px}.how-card{border:1px solid #dfe7d9;border-radius:18px;background:#edf2e8;padding:25px 30px;position:relative;overflow:hidden}.how-card:after{content:"＋";position:absolute;right:12px;top:12px;font-size:72px;color:#dde7d6;line-height:1;font-weight:200;pointer-events:none}.section-kicker{font-size:9px;font-weight:650;letter-spacing:2px;color:#7b8a7e;margin:0 0 7px;display:block}.how-card h2{font-size:19px;margin:0 0 20px}.how-steps{list-style:none;padding:0;margin:0;display:grid;gap:15px}.how-steps li{display:flex;align-items:center;gap:15px}.how-steps li>span{width:30px;height:30px;display:grid;place-items:center;background:#fff9;border-radius:50%;font-size:10px;font-weight:650;color:#638365;flex-shrink:0}.how-steps strong{font-size:12px;font-weight:650}.how-steps p{margin:1px 0 0;font-size:11px;color:#83907f}.stats{border:1px solid var(--line);border-radius:15px;background:var(--paper);display:grid;grid-template-columns:1fr 1fr 1.3fr;padding:24px 0;margin-bottom:24px}.stats>div{padding:0 28px}.stats>div+div{border-left:1px solid var(--line)}.stat-label{font-size:11px;color:#77847c;display:block}.stats strong{font-size:31px;line-height:1.5;display:block;font-variant-numeric:tabular-nums}.stats small{display:block;color:#98a198;font-size:10px}.stats .stat-note{display:flex;gap:14px;align-items:center}.stat-note strong{font-size:13px;font-weight:650}.stat-note p{font-size:11px;color:#8a948b;margin:4px 0}.status-circle{border-radius:50%;background:var(--peach);color:#b58a52;font-size:27px;width:43px;height:43px;display:grid;place-items:center;flex-shrink:0}.submit-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:25px 28px 18px}.submit-heading{display:flex;gap:12px;align-items:center;margin-bottom:18px}.submit-heading h2{font-size:16px;margin:0;font-weight:650}.submit-heading p{font-size:11px;color:var(--muted);margin:2px 0 0}.icon-box{background:var(--soft);color:var(--green);width:36px;height:36px;border-radius:10px;font-size:23px;display:grid;place-items:center}.submit-controls{display:flex;gap:12px}input,textarea,select{border:1px solid #e1e6de;border-radius:8px;color:var(--ink);background:#fafbf9;padding:12px 14px;max-width:100%;min-width:0}input::placeholder,textarea::placeholder{color:#a0a89f;font-size:12px}.submit-controls input{flex:1;font-size:16px;letter-spacing:1px}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;border-radius:8px;padding:12px 21px;min-height:46px;font-size:12px;font-weight:600;border:1px solid transparent;transition:background .15s,transform .15s;white-space:nowrap}.button:active{transform:translateY(1px)}.primary{background:var(--green);color:#fff}.primary:hover{background:var(--green-dark)}.dark{background:#23392f;color:#fff}.secondary{background:#fff;border-color:var(--line);color:#52675a}.secondary:hover{background:#f3f6ef}.small{font-size:11px;min-height:40px;padding:9px 15px;gap:7px}.field-note{font-size:10px;color:#929a90;margin:10px 0 0}.form-message{font-size:12px;min-height:1px;margin:8px 0 0;overflow-wrap:anywhere}.form-message:empty{display:none}.form-message.error{color:var(--red)}.form-message.success{color:var(--green)}.form-message.pending{color:#89622b}.pool-section{padding-top:38px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:17px}.section-heading h2{font-size:20px;letter-spacing:-.4px;margin:0;font-weight:650}.refresh-area{display:flex;align-items:center;gap:14px}.refresh-area>span{font-size:10px;color:#98a194}.pool-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.pool-toolbar{display:flex;justify-content:space-between;align-items:center;padding:16px 23px}.filters{display:flex;gap:4px;background:#f2f5ef;border-radius:8px;padding:4px}.filter{background:none;border:0;min-height:36px;font-size:12px;color:#7f8b7e;padding:6px 22px;border-radius:6px}.filter.active{background:#fff;box-shadow:0 1px 4px #203a2410;color:var(--green);font-weight:650}.pool-tip{font-size:10px;color:#9aa391}.list-head{display:flex;justify-content:space-between;padding:12px 27px;background:#fafbf8;border-top:1px solid #f1f3ec;border-bottom:1px solid #f1f3ec;color:#9aa291;font-size:10px}.code-row{padding:18px 26px;display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid #f0f2ec}.code-number{font-size:18px;letter-spacing:3px;font-family:Consolas,ui-monospace,monospace;font-weight:600}.code-meta{font-size:10px;color:#9ba295;margin-top:4px}.row-right{display:flex;gap:18px;align-items:center}.badge{font-size:10px;display:inline-flex;align-items:center;gap:5px;color:#93a08e;white-space:nowrap}.badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.badge.available{color:#447c57}.badge.reserved,.badge.uncertain{color:#b38a4b}.row-actions{display:flex;align-items:center;gap:10px}.report-btn{border:0;background:none;color:#a9aea5;font-size:10px;padding:10px 3px;min-height:40px}.report-btn:hover{color:var(--red)}.used-button{background:#f1f3ef;color:#9ba594;border-color:#f1f3ef}.pool-footer{font-size:10px;color:#9ca393;padding:14px 26px;background:#fdfefa;margin:0}.empty-state{text-align:center;padding:42px 20px 48px}.empty-icon{display:grid;place-items:center;width:52px;height:52px;background:#eff4ea;color:#9dad91;margin:0 auto 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0;color:var(--green);font-size:11px;font-weight:600}.text-button span{padding-left:15px}.feedback-card{background:white;border:1px solid var(--line);padding:27px;border-radius:15px}.feedback-card h2{font-size:19px}.feedback-card>p{font-size:11px;color:#939b8c;margin:-4px 0 18px}.compact{margin-bottom:10px}.feedback-symbol{font-size:36px;font-weight:300;color:#c5cfb8}.feedback-fields{display:grid;grid-template-columns:.85fr 1.4fr;gap:12px;margin-bottom:12px}.feedback-card label{display:block;font-size:10px;color:#6c7b67}.feedback-card input,.feedback-card select{display:block;width:100%;margin-top:5px;font-size:11px;padding:9px 11px;height:42px}.feedback-card textarea{display:block;width:100%;margin-top:5px;resize:vertical;font-size:12px;min-height:105px}.optional{font-size:9px;color:#a3ab9b;margin-left:5px}.feedback-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:13px}.feedback-bottom small{font-size:9px;color:#9ba38e}.feedback-bottom 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p{font-size:11px}.dialog-footnote{font-size:10px;color:#a5ad9a;margin-top:23px}.guide-list{padding-left:23px;font-size:12px;color:#7e8f73}.guide-list li{margin-bottom:17px;padding-left:5px}.guide-list strong{color:var(--ink)}.guide-list p{margin-top:5px;line-height:1.9}.privacy-copy{font-size:12px;color:#7d8b73;line-height:1.9}.privacy-copy p{margin-bottom:17px}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;left:16px;top:-100px;background:#fff;z-index:20;padding:12px}.skip:focus{top:12px}.noscript{padding:20px;text-align:center;background:#fff2dd}button,select,summary{touch-action:manipulation}
@media(min-width:1400px){.shell{max-width:1220px}.intro{padding-top:70px;padding-bottom:46px;gap:110px}}
@media(max-width:900px){.header-inner{gap:30px}.intro{gap:30px;grid-template-columns:1fr 1fr}.intro h1{font-size:36px}.how-card{padding:22px}.stats>div{padding:0 20px}.stats .stat-note{gap:9px}.status-circle{width:34px;height:34px;font-size:23px}.stat-note strong{font-size:11px}.bottom-grid{grid-template-columns:1fr 1.5fr;gap:18px}.rules-card,.feedback-card{padding:22px}.feedback-bottom{align-items:flex-start}.feedback-bottom small{max-width:130px}}
@media(max-width:680px){.shell{padding-left:20px;padding-right:20px}.header-inner{height:76px;gap:15px;justify-content:space-between}.brand{font-size:20px;gap:8px}.brand-mark{width:34px;height:38px;font-size:20px}.brand-en{font-size:7px;letter-spacing:1px}.header nav{gap:14px;flex:none}.header nav a,.nav-btn{font-size:11px}.header nav a:first-child{display:none}.local-label{padding:4px 7px;font-size:9px}.intro{grid-template-columns:1fr;padding-top:34px;padding-bottom:24px;gap:25px}.intro h1{font-size:36px;margin-bottom:13px;letter-spacing:-.8px}.intro-description{font-size:12px;line-height:1.9}.intro-meta{font-size:10px;gap:13px;margin-top:15px}.eyebrow{font-size:10px;margin-bottom:10px}.how-card{padding:20px 22px}.how-card h2{font-size:16px;margin-bottom:16px}.how-steps{gap:13px}.how-steps p{font-size:10px}.stats{grid-template-columns:1fr 1fr;padding:18px 0;margin-bottom:18px}.stats>div{padding:0 20px}.stats strong{font-size:28px}.stats small{font-size:9px}.stats .stat-note{display:none}.submit-card{padding:21px 19px 16px}.submit-heading h2{font-size:15px}.submit-controls{flex-direction:column;gap:10px}.submit-controls input{width:100%;min-height:48px;font-size:15px}.submit-controls .button{width:100%;justify-content:space-between}.field-note{font-size:10px;line-height:1.8}.pool-section{padding-top:29px}.section-heading{gap:9px;align-items:flex-end}.section-heading h2{font-size:18px}.section-kicker{font-size:8px;letter-spacing:1.3px}.refresh-area{gap:6px;flex-direction:column;align-items:flex-end}.refresh-area>span{font-size:8px}.refresh-area button{padding:6px 11px;min-height:36px}.pool-toolbar{padding:13px 14px}.filter{padding:7px 16px;min-height:38px;font-size:11px}.pool-tip{font-size:9px}.list-head{padding:11px 18px}.code-row{padding:15px 17px;gap:9px}.code-number{font-size:16px;letter-spacing:1.5px}.code-meta{font-size:9px}.row-right{gap:7px;align-items:flex-end;flex-direction:column}.badge{font-size:9px}.row-actions{gap:8px}.row-actions .button{min-height:40px;padding:8px 12px;font-size:10px;min-width:98px}.report-btn{font-size:9px;min-height:40px}.pool-footer{padding:13px 18px;font-size:9px;line-height:1.8}.bottom-grid{grid-template-columns:1fr;padding-top:24px;padding-bottom:29px;gap:18px}.rules-card{padding:23px}.rules-card h2{max-width:none;font-size:16px}.rules-card ul{font-size:11px}.feedback-card{padding:23px 20px}.feedback-fields{grid-template-columns:1fr;gap:11px}.feedback-bottom{align-items:center}.feedback-bottom small{max-width:150px;font-size:9px}.feedback-bottom button{padding:9px 13px}.footer{padding-top:18px;padding-bottom:25px;gap:10px}.footer>div{gap:13px}.footer strong{font-size:17px}.footer span{font-size:9px}.footer nav{gap:15px}.footer p{font-size:9px;line-height:1.8}.resume-card{margin:0 13px 12px;padding:12px}.resume-card strong{font-size:10px}.resume-card p{font-size:9px}.resume-card button{font-size:10px;padding:7px 11px}dialog{padding:24px;max-height:88dvh}dialog h2{font-size:22px}.claim-value{font-size:24px;letter-spacing:4px}.empty-state{padding:32px 18px 37px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}