:root{color-scheme:light;--ink:#173a35;--ink-soft:#47605a;--muted:#536b63;--paper:#f4f6ef;--white:#fff;--line:#dfe6da;--lime:#dff37b;--lime-dark:#c9e45b;--green:#1b745d;--red:#b14d43;--amber:#946619;--shadow:0 18px 45px -22px rgba(27,33,30,.25)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.55;accent-color:var(--ink)}
::selection{background:var(--lime);color:var(--ink)}
button,input{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
a{color:inherit}
:focus-visible{outline:3px solid #86ad26;outline-offset:3px}
.page-shell{max-width:1280px;margin:auto;padding:0 48px}
.site-header{height:96px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:17px;font-weight:800;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--lime)}
.brand-mark svg{width:26px;height:26px}
.header-note{font-size:12px;color:var(--ink-soft);letter-spacing:.08em}
.intro{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:76px;align-items:center;padding:96px 0 112px}
.intro:before{content:"";position:absolute;left:-48px;right:-48px;bottom:0;height:1px;background:var(--line)}
.intro-copy{position:relative;padding-bottom:16px}
h1,h2,p{margin-top:0}
h1{font-family:"Songti SC","Noto Serif CJK SC","SimSun",serif;font-size:clamp(42px,5.4vw,72px);font-weight:800;line-height:1.18;letter-spacing:-.035em;margin:0 0 30px}
h1 span{color:#4d685e}
.intro-copy>p{max-width:550px;font-size:16px;line-height:1.9;color:var(--ink-soft);margin-bottom:50px}
.community-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:24px;align-items:center}
.community-label{margin:0 0 7px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.1em}
.community-value{display:flex;align-items:center;gap:12px;margin:0 0 25px}
.community-details h1{font-size:clamp(38px,3.7vw,52px);white-space:nowrap;margin:0}
.community-number{margin:0;color:var(--ink);font-size:clamp(27px,3vw,36px);font-weight:800;letter-spacing:.035em;font-variant-numeric:tabular-nums}
.community-hint{margin:8px 0 0;color:var(--ink-soft);font-size:13px}
.copy-button{flex:none;padding:6px 10px;border:1px solid #b9c9bd;border-radius:8px;background:var(--white);color:var(--ink);font-size:12px;font-weight:700;line-height:1.3}
.copy-button:hover{border-color:var(--green);background:#edf5ed}
.copy-button[data-copied="true"]{background:var(--lime);border-color:var(--lime-dark)}
.qq-qr{width:100%;padding:10px;border-radius:16px;background:var(--white);box-shadow:var(--shadow)}
.qq-qr summary{display:flex;justify-content:space-between;gap:8px;padding:2px 4px 10px;list-style:none;cursor:pointer;font-size:13px;font-weight:800}
.qq-qr:not([open]) summary{padding-bottom:2px}
.qq-qr summary::-webkit-details-marker{display:none}
.qq-qr summary span{color:var(--ink-soft);font-size:11px;font-weight:500}
.qr-crop{display:block;aspect-ratio:.82;overflow:hidden;border-radius:10px;background:#121214}
.qr-crop img{display:block;width:100%;height:auto;transform:translateY(-12%);-webkit-touch-callout:default}
.qr-caption{margin:0;padding:8px 3px 2px;text-align:center;color:var(--ink-soft);font-size:11px;font-weight:700}
.bxz-version .intro-copy>p{margin-bottom:28px}
.wechat-feature{display:grid;grid-template-columns:minmax(0,1fr) 160px;gap:20px;align-items:center;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.wechat-label{margin:0 0 8px;color:var(--green);font-size:13px;font-weight:800}
.wechat-name-row{display:flex;align-items:center;gap:10px}
.wechat-name-row strong{font-size:clamp(22px,2.5vw,30px);letter-spacing:-.025em;white-space:nowrap}
.wechat-description{margin:7px 0 0;color:var(--ink-soft);font-size:12px}
.wechat-feature img{display:block;width:160px;max-width:100%;height:auto;padding:6px;border-radius:12px;background:var(--white);-webkit-touch-callout:default}
.wechat-feature+.route-legend{margin-top:28px}
.route-legend{display:flex;align-items:center;gap:0;color:var(--ink-soft);font-size:12px;font-weight:700;white-space:nowrap}
.community-layout+.route-legend{margin-top:30px}
.route-stop{position:relative;display:flex;align-items:center;gap:8px}
.route-stop i{position:relative;display:block;flex:none;width:12px;height:12px;border:3px solid var(--ink);border-radius:50%;background:var(--paper);z-index:1}
.route-stop:first-child i{background:var(--lime)}
.route-stop:not(:last-child):after{content:"";width:25px;height:1px;background:var(--ink);margin:0 13px 0 8px}
.claim-panel{padding:34px;background:var(--white);border-radius:20px;box-shadow:var(--shadow)}
.panel-heading{display:flex;align-items:center;gap:15px;margin-bottom:34px}
.panel-icon{display:grid;place-items:center;flex:none;width:48px;height:48px;border-radius:13px;background:#e9f1e9;color:var(--ink)}
.panel-icon svg{width:26px;height:26px}
.panel-heading h2{font-size:21px;letter-spacing:-.025em;margin:0 0 1px}
.panel-heading p{font-size:12px;color:var(--muted);margin:0}
#claim-form>label:first-child{display:block;font-size:13px;font-weight:700;margin-bottom:10px}
#phone{width:100%;height:57px;padding:0 17px;border:1.5px solid #c7d3c9;border-radius:11px;outline:0;background:#fbfcf9;color:var(--ink);font-size:17px;letter-spacing:.055em;transition:border-color .18s,box-shadow .18s}
#phone::placeholder{color:#81958a;letter-spacing:0}
#phone:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(27,116,93,.12)}
.consent{display:flex;align-items:flex-start;gap:10px;margin:22px 0 25px;color:var(--ink-soft);font-size:12px;line-height:1.65;cursor:pointer}
.consent input{flex:none;width:16px;height:16px;margin:1px 0 0;cursor:pointer}
.primary-button{width:100%;height:58px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 21px;border:0;border-radius:11px;background:var(--ink);color:var(--white);font-size:15px;font-weight:800;transition:background .18s,transform .18s,box-shadow .18s}
.primary-button svg{width:21px;height:21px}
.primary-button:hover:not(:disabled){background:#235548;transform:translateY(-2px);box-shadow:0 10px 22px -10px rgba(0,0,0,.25)}
.primary-button:active:not(:disabled){transform:translateY(0)}
.primary-button:disabled{opacity:.62}
.form-error{margin:13px 0 0;color:var(--red);font-size:13px;font-weight:700}
.privacy-note{border-top:1px solid var(--line);padding-top:17px;margin:21px 0 0;color:var(--muted);font-size:12px;line-height:1.7}
.progress-section{padding:38px 0 14px;border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}
.section-head h2{font-size:27px;letter-spacing:-.03em;margin:0 0 6px}
.section-head p{margin:0;color:var(--muted);font-size:13px}
.progress-count,.channel-total{flex:none;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.015em;margin-top:8px}
.progress-track{height:8px;border-radius:99px;background:#dce4d7;overflow:hidden}
.progress-track span{display:block;height:100%;width:100%;background:var(--green);border-radius:inherit;transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.progress-summary{min-height:22px;margin:13px 0 0;color:var(--ink-soft);font-size:13px}
.coupon-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}
.coupon-stat{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:19px 22px;background:var(--white);border:1px solid var(--line);border-radius:14px}
.coupon-stat-label{font-size:15px;font-weight:800}
.coupon-stat strong{display:flex;align-items:baseline;gap:5px;color:var(--green);font-size:36px;line-height:1;font-variant-numeric:tabular-nums}
.coupon-stat small{font-size:14px}
.other-summary{margin:15px 0 0;color:var(--ink);font-size:13px;font-weight:700}
.count-note{margin:12px 0 0;color:var(--muted);font-size:12px;line-height:1.7}
.channels-section{padding:48px 0 0}
.channel-groups{display:grid;gap:12px}
.channel-group{background:var(--white);border-radius:14px;overflow:hidden}
.channel-group summary{display:flex;align-items:center;gap:15px;list-style:none;cursor:pointer;padding:20px 23px;user-select:none}
.channel-group summary::-webkit-details-marker{display:none}
.channel-group summary:after{content:"";width:8px;height:8px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);transform:rotate(45deg);margin-left:auto;transition:transform .2s}
.channel-group[open] summary:after{transform:rotate(225deg)}
.group-symbol{width:35px;height:35px;display:grid;place-items:center;flex:none;border-radius:10px;background:#eef2e7;color:var(--ink);font-size:14px;font-weight:900}
.group-name{font-size:15px;font-weight:800}
.group-count{margin-left:3px;color:var(--muted);font-size:12px}
.channel-list{list-style:none;margin:0;padding:0 23px 8px}
.channel-row{display:grid;grid-template-columns:105px 1fr auto;align-items:center;column-gap:16px;min-height:57px;border-top:1px solid #edf0e9;padding:8px 0}
.channel-code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;color:var(--ink-soft)}
.channel-label{font-size:13px;color:var(--ink)}
.channel-result{max-width:340px;text-align:right;font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.channel-row[data-status="success"] .channel-result{color:var(--green);font-weight:800}
.channel-row[data-status="failed"] .channel-result{color:var(--amber)}
.channel-row[data-status="error"] .channel-result{color:var(--red)}
.loading-copy{margin:0;color:var(--muted);font-size:13px;padding:20px 0}
.wallet-note{display:flex;align-items:flex-start;gap:17px;margin:38px 0 78px;padding:23px 26px;background:var(--lime);border-radius:15px}
.wallet-icon{display:grid;place-items:center;flex:none;width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--lime)}
.wallet-icon svg{width:23px;height:23px}
.wallet-note strong{display:block;font-size:15px;margin:1px 0 3px}
.wallet-note p{font-size:12px;line-height:1.75;margin:0;color:#314d32}
.site-footer{display:flex;justify-content:space-between;gap:16px;padding:24px 0 34px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:950px){.page-shell{padding:0 26px}.intro{grid-template-columns:1fr;gap:38px;padding:75px 0 70px}.intro:before{left:-26px;right:-26px}.intro-copy>p{margin-bottom:30px}.claim-panel{max-width:640px}.route-legend{white-space:normal}}
@media(max-width:620px){.page-shell{padding:0 18px}.site-header{height:73px}.brand{font-size:15px}.brand-mark{width:34px;height:34px}.header-note{display:none}.intro{padding:60px 0 62px;gap:30px}.intro:before{left:-18px;right:-18px}h1{font-size:42px;line-height:1.23;margin-bottom:19px}.intro-copy>p{font-size:14px;line-height:1.8;margin-bottom:27px}.route-legend{font-size:11px}.route-stop{gap:5px}.route-stop i{width:10px;height:10px;border-width:2px}.route-stop:not(:last-child):after{width:11px;margin:0 7px 0 3px}.claim-panel{padding:23px 20px;border-radius:16px}.section-head h2{font-size:23px}.section-head p{font-size:12px}.coupon-summary{gap:8px}.coupon-stat{display:block;padding:15px 13px}.coupon-stat-label{display:block;font-size:12px}.coupon-stat strong{margin-top:9px;font-size:32px}.channels-section{padding-top:37px}.channel-group summary{padding:17px 16px}.channel-list{padding:0 16px 6px}.channel-row{grid-template-columns:78px 1fr;gap:0 8px;padding:12px 0}.channel-result{grid-column:2;text-align:left;max-width:none;margin-top:2px}.wallet-note{padding:18px 17px;margin:28px 0 55px}.site-footer{flex-direction:column;gap:3px;padding:22px 0 28px}}
@media(max-width:560px){.community-layout{grid-template-columns:1fr;gap:20px}.community-details h1{font-size:42px}.qq-qr{max-width:280px}.community-layout+.route-legend{margin-top:27px}}
@media(max-width:560px){.wechat-feature{grid-template-columns:1fr;gap:14px}.wechat-feature img{width:180px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
