:root{color-scheme:light;--green: #16a56a;--green-dark: #087a4b;--ink: #17352a;--muted: #64776f;--paper: rgba(255, 255, 255, .92);font-family:Microsoft YaHei UI,PingFang SC,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0;color:var(--ink);background:radial-gradient(circle at 14% 15%,rgba(71,205,143,.22),transparent 31rem),radial-gradient(circle at 85% 80%,rgba(254,211,118,.2),transparent 28rem),linear-gradient(145deg,#f5fcf8,#eef8f3 52%,#fbf8ee)}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.32;background-image:radial-gradient(#79b79b .75px,transparent .75px);background-size:22px 22px;-webkit-mask-image:linear-gradient(to bottom,black,transparent 78%);mask-image:linear-gradient(to bottom,black,transparent 78%)}a{color:inherit}.page-shell{position:relative;width:min(1040px,calc(100% - 40px));min-height:calc(100vh - 58px);margin:0 auto;display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:clamp(42px,7vw,92px);padding:64px 0 36px}.intro{padding-left:8px}.brand-mark{width:86px;height:86px;display:grid;place-items:center;margin-bottom:26px}.brand-mark img{width:86px;height:86px;object-fit:contain}.eyebrow{margin:0 0 13px;color:var(--green-dark);font-size:14px;font-weight:800;letter-spacing:.22em}h1{max-width:620px;margin:0;font-size:clamp(38px,4.6vw,56px);line-height:1.12;letter-spacing:0}.subtitle{margin:23px 0 30px;color:var(--muted);font-size:clamp(17px,2vw,20px);line-height:1.8}.benefits{display:grid;gap:15px;margin:0 0 31px;padding:0;list-style:none}.benefits li{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:650}.benefits li:before{content:"";width:7px;height:7px;flex:0 0 auto;border:5px solid rgba(22,165,106,.16);border-radius:50%;background:var(--green);background-clip:padding-box}.privacy-note{display:inline-flex;align-items:center;gap:8px;margin:0;color:#74867e;font-size:13px}.privacy-note span{color:var(--green);font-weight:900}.join-card{position:relative;padding:30px 34px 31px;text-align:center;border:1px solid rgba(255,255,255,.8);border-radius:30px;background:var(--paper);box-shadow:0 26px 70px #1f594024,0 2px 8px #1f59400f;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.card-heading{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:7px 13px;color:var(--green-dark);border-radius:999px;background:#ebfaf2;font-size:12px;font-weight:750}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px #16a56a1f}h2{margin:0;font-size:25px;letter-spacing:0}.card-help{margin:10px 0 21px;color:var(--muted);font-size:14px}.mobile-help{display:none}.qr-frame{position:relative;display:block;width:min(100%,292px);aspect-ratio:1;margin:0 auto;padding:16px;border:0;border-radius:22px;background:#fff;box-shadow:inset 0 0 0 1px #e7eee9,0 12px 30px #2c5c4617;cursor:zoom-in}.qr-frame img{display:block;width:100%;height:100%;object-fit:contain}.corner{position:absolute;width:24px;height:24px;border-color:var(--green);border-style:solid}.corner-tl{top:7px;left:7px;border-width:3px 0 0 3px;border-radius:8px 0 0}.corner-tr{top:7px;right:7px;border-width:3px 3px 0 0;border-radius:0 8px 0 0}.corner-bl{bottom:7px;left:7px;border-width:0 0 3px 3px;border-radius:0 0 0 8px}.corner-br{right:7px;bottom:7px;border-width:0 3px 3px 0;border-radius:0 0 8px}.qr-status{margin:18px 0 13px;color:#84948d;font-size:12px}.save-button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:0 20px;color:#fff;border-radius:13px;background:var(--green);cursor:pointer;font-weight:750;text-decoration:none}.support{margin:16px 0 0;color:#9aa8a1;font-size:12px}footer{position:relative;height:58px;color:#8a9a92;text-align:center;font-size:12px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:grid;place-items:center;padding:20px;background:#041d12b3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.qr-dialog{position:relative;width:min(90vw,460px);padding:28px;text-align:center;border-radius:24px;background:#fff;box-shadow:0 24px 80px #09311f4d}.qr-dialog p{margin:0 0 18px;font-weight:750}.qr-dialog img{width:100%;border-radius:12px}.dialog-close{position:absolute;top:8px;right:12px;border:0;background:transparent;color:#718078;font-size:28px;cursor:pointer}@media (max-width: 760px){.page-shell{width:min(100% - 28px,480px);min-height:auto;grid-template-columns:1fr;gap:30px;padding:36px 0 24px}.intro{padding:0 6px;text-align:center}.brand-mark{width:76px;height:76px;margin:0 auto 19px}.brand-mark img{width:76px;height:76px}.eyebrow{margin-bottom:9px}h1{font-size:clamp(33px,9.4vw,43px)}.subtitle{margin:15px 0 22px;font-size:16px}.benefits{width:fit-content;margin:0 auto 23px;text-align:left}.privacy-note{font-size:12px}.join-card{padding:26px 20px 27px;border-radius:25px}h2{font-size:23px}.desktop-help{display:none}.mobile-help{display:block}.qr-frame{width:min(100%,315px)}}@media (prefers-reduced-motion: no-preference){.join-card{animation:rise .56s cubic-bezier(.2,.8,.2,1) both}.intro{animation:rise .48s 80ms cubic-bezier(.2,.8,.2,1) both}@keyframes rise{0%{opacity:0;transform:translateY(14px)}}}