:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fff8f3;--surface:#fff;--surface-warm:#fff3eb;--line:#ffd9c4;--text:#27211d;--muted:#766a62;--brand:#ff5a1f;--brand-dark:#d9400a;--green-bg:#ecfff1;--green-line:#36b969;--red-bg:#fff0ef;--red-line:#f05245}*{box-sizing:border-box}html,body{min-height:100%}body{background:linear-gradient(180deg, #ff581c14, transparent 260px), var(--bg);color:var(--text);margin:0;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}button,input{font:inherit}button{cursor:pointer}.page-shell{min-height:100vh;padding:24px 16px 40px}.content{width:min(860px,100%);margin:0 auto}.hero-band{border-bottom:1px solid #ff5a1f2e;padding:22px 0 20px}.eyebrow{color:var(--brand-dark);margin:0 0 8px;font-size:13px;font-weight:800}h1{color:var(--brand);margin:0;font-size:36px;line-height:1.18}.hero-copy{max-width:640px;color:var(--muted);margin:12px 0 0;line-height:1.75}.info-panel,.promo-band,.action-panel,.list-panel{margin-top:16px}.info-panel{border:1px solid var(--line);background:#ffffffb8;border-radius:8px;padding:18px 22px}.intro-text{color:#514941;margin:0 0 16px;font-size:16px;font-weight:700;line-height:1.9}summary{color:var(--brand-dark);cursor:pointer;font-size:18px;font-weight:800}.info-panel ul{color:#413832;margin:12px 0 0 20px;padding:0;font-size:16px;font-weight:700;line-height:1.85}.activity-image-button{background:#fff;border:0;border-radius:8px;width:min(620px,100%);margin:28px auto 0;padding:0;display:block;position:relative;overflow:hidden;box-shadow:0 18px 38px #3e251829}.activity-image-button img{width:100%;height:auto;display:block}.zoom-badge{color:#fff;background:#00000085;border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;font-size:21px;display:inline-flex;position:absolute;bottom:16px;right:16px}.image-tip{color:#514941;text-align:center;margin:14px 0 0;font-size:16px;font-weight:700}.promo-link{color:#fff;background:linear-gradient(135deg,#ff6b31,#ff964f 52%,#ffc06a);border-radius:8px;grid-template-columns:56px 1fr 28px;align-items:center;gap:16px;min-height:86px;padding:16px 18px;text-decoration:none;display:grid;box-shadow:0 12px 28px #ff6a2a33}.promo-icon{background:#ffffff38;border-radius:8px;justify-content:center;align-items:center;width:56px;height:56px;font-weight:900;display:inline-flex}.promo-link strong,.promo-link small{display:block}.promo-link strong{font-size:22px;line-height:1.25}.promo-link small{color:#ffffffdb;margin-top:4px}.promo-arrow{text-align:right;font-size:24px}.action-panel{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:18px;box-shadow:0 12px 30px #ff78401a}.count-bar{color:var(--brand-dark);margin-bottom:14px;font-weight:800}.submit-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;display:grid}.submit-row input:not(.honeypot){border:1px solid var(--brand);border-radius:8px;outline:none;width:100%;min-height:46px;padding:0 14px}.submit-row input:focus{border-color:var(--brand-dark);box-shadow:0 0 0 3px #ff5a1f29}.honeypot{display:none}.primary-btn,.quick-btn,.jump-btn{color:#fff;background:linear-gradient(135deg, var(--brand), #ff812f);border:0;border-radius:999px;font-weight:800;box-shadow:0 8px 18px #ff5a1f38}.primary-btn{min-height:46px;padding:0 22px}.primary-btn:disabled{cursor:not-allowed;opacity:.68}.quick-btn{width:100%;min-height:50px;margin-top:14px;font-size:17px}.status-message{color:var(--brand-dark);margin:12px 0 0;font-weight:700}.code-list{margin:0;padding:0;list-style:none}.code-item{border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-height:72px;margin-top:10px;padding:14px 16px;display:grid;box-shadow:0 6px 18px #0000000f}.code-item.available{border-left:5px solid var(--green-line);background:var(--green-bg)}.code-item.used{border-left:5px solid var(--red-line);background:var(--red-bg)}.code-main{min-width:0}.code-number{color:#242424;font-size:22px;font-weight:900;display:block}time{color:var(--muted);margin-top:5px;font-size:13px;display:block}.jump-btn{min-width:92px;min-height:40px;padding:0 18px}.used-label{color:var(--red-line);font-weight:900}.empty-state{border:1px dashed var(--line);color:var(--muted);text-align:center;background:#ffffffb8;border-radius:8px;padding:18px}.overlay{z-index:20;background:#14100eb8;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.overlay-card{background:var(--surface);border-radius:8px;width:min(420px,100%);padding:22px;box-shadow:0 20px 52px #00000040}.overlay-card h2{margin:0 0 10px;font-size:22px}.overlay-card p{color:var(--muted);margin:0 0 18px;line-height:1.75}.image-overlay{z-index:30;background:#000000e6;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.image-overlay img{border-radius:8px;max-width:96vw;max-height:96vh;box-shadow:0 0 40px #ffffff42}.image-close{z-index:31;color:#fff;background:0 0;border:0;font-size:48px;line-height:1;position:fixed;top:18px;right:24px}@media (max-width:640px){.page-shell{padding:16px 12px 28px}h1{font-size:30px}.info-panel{padding:16px}.intro-text,.info-panel ul,.image-tip{font-size:14px}.promo-link{grid-template-columns:48px 1fr 24px;min-height:78px}.promo-icon{width:48px;height:48px}.submit-row,.code-item{grid-template-columns:1fr}.primary-btn,.jump-btn{width:100%}}