:root{--bg:#030e14;--bg-2:#071822;--teal:#2fe6d6;--teal-2:#38e08a;--text:#eaf6f4;--text-dim:#9fb4b0;--expired:#f5c542;--card-bg:#ffffff09;--card-border:#2fe6d659}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,PingFang TC,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif}body{background:radial-gradient(120% 60% at 50% 0%, #0a1e26 0%, var(--bg) 55%) no-repeat;min-height:100vh}.page{max-width:480px;min-height:100vh;padding-bottom:calc(20px + env(safe-area-inset-bottom));flex-direction:column;margin:0 auto;display:flex}.hero{width:100%;position:relative}.hero__img{width:100%;height:auto;display:block}.lang-switch{z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#030e148c;border:1px solid #2fe6d640;border-radius:999px;gap:2px;padding:3px;display:flex;position:absolute;top:10px;right:10px}.lang-switch button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:999px;padding:6px 10px;font-size:12px;line-height:1}.lang-switch button.active{color:#06201c;background:linear-gradient(90deg, var(--teal), var(--teal-2));font-weight:700}body.lang-en .btn-declare,body.lang-en .download{letter-spacing:0}.content{flex-direction:column;gap:16px;padding:16px 16px 0;display:flex}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;box-shadow:inset 0 0 24px #2fe6d614,0 4px 20px #0000004d}.notice{align-items:center;gap:12px;padding:16px;display:flex}.notice__icon{object-fit:contain;flex:none;width:42px;height:42px}.notice__body{min-width:0}.notice__title{color:var(--teal);font-size:15px;font-weight:600;line-height:1.4}.notice__title .expired{color:var(--expired)}.notice__sub{color:var(--text-dim);margin-top:4px;font-size:12.5px;line-height:1.5}.purpose{padding:18px 16px 20px}.purpose__title{color:var(--text);font-size:16px;font-weight:700}.purpose__divider{background:linear-gradient(90deg,#2fe6d680,#2fe6d60d);height:1px;margin:12px 0 14px}.purpose__text{color:var(--text-dim);font-size:13.5px;line-height:1.85}.purpose__thanks{color:var(--text-dim);margin-top:14px;font-size:13.5px;line-height:1.85}.footer{padding:24px 16px 0}.btn-declare{letter-spacing:2px;color:#06201c;background:linear-gradient(90deg, var(--teal), var(--teal-2));cursor:pointer;border:none;border-radius:28px;width:100%;height:52px;font-size:17px;font-weight:700;box-shadow:0 8px 24px #2fe6d647}.btn-declare:active{filter:brightness(.97);transform:translateY(1px)}.download{width:100%;color:var(--text);letter-spacing:1px;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;gap:8px;margin-top:22px;font-size:15px;display:flex}.download svg{display:block}.wx-guide{z-index:9999;background:#000000db;flex-direction:column;align-items:flex-end;padding:12px 18px 0;display:none;position:fixed;inset:0}.wx-guide.show{display:flex}.wx-guide__arrow{color:var(--teal);margin:2px 12px 0 0}.wx-guide__text{color:#fff;text-align:right;width:100%;margin-top:6px;font-size:16px;line-height:1.85}.wx-guide__text b{color:var(--teal);letter-spacing:2px;font-size:20px}.wx-guide__tip{color:var(--text-dim);align-self:center;margin-top:30px;font-size:13px}