.invite-body{margin:0;line-height:1.7}.invite-nav,.invite-shell,.invite-footer{width:min(1000px,100% - 40px);margin-inline-start:auto;margin-inline-end:auto}.invite-nav{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:26px 0;display:flex}.invite-nav a{color:var(--ink);text-decoration:none}.invite-brand{font-size:21px;font-weight:800}.invite-brand span{letter-spacing:2px;color:var(--muted);font-size:10px;display:block}.invite-nav nav{gap:22px;font-size:14px;display:flex}.invite-shell{padding:48px 0 50px}.invite-shell a{color:var(--accent-strong)}.invite-hero{max-width:850px;padding:16px 0 30px}.invite-eyebrow{letter-spacing:2px;color:var(--accent-strong);margin:0 0 12px;font-size:12px;font-weight:750}.invite-hero h1{letter-spacing:-1.5px;margin:0 0 24px;font-size:max(28px,min(4.8vw,47px));font-weight:800;line-height:1.35}.invite-hero h1 span{color:var(--accent-strong)}.invite-lead{max-width:680px;color:var(--muted);margin:0 0 24px;font-size:17px}.invite-lead strong{color:var(--ink)}.invite-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.invite-button{border:1px solid var(--line);background:var(--surface);cursor:pointer;text-align:center;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:11px 20px;font:600 14px/1.4 Microsoft YaHei,sans-serif;text-decoration:none;display:inline-flex;color:var(--ink)!important}.invite-button:hover{border-color:var(--accent-strong);background:var(--accent-soft)}.invite-button.primary{background:var(--accent-strong);border-color:var(--accent-strong);color:var(--solid)!important}.invite-button:disabled{opacity:.55;cursor:default}.invite-message{min-height:28px;color:var(--accent-strong);font-size:14px}.invite-facts{border-top:1px solid var(--line);color:var(--muted);gap:30px;margin-top:26px;padding-top:20px;font-size:13px;display:flex}.invite-facts b{color:var(--ink);margin-right:5px;font-size:24px}.invite-section{border-top:1px solid var(--line);margin-top:35px;padding-top:30px}.invite-section-heading h2,.invite-panel h2{margin:0 0 12px;font-size:25px;line-height:1.4}.invite-section-heading p:not(.invite-eyebrow){color:var(--muted);font-size:14px}.invite-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:24px 0;padding:0;list-style:none;display:grid}.invite-steps li,.invite-panel{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:26px}.invite-steps li>b{color:var(--accent-strong);font-size:13px;font-weight:750}.invite-steps h3{margin:13px 0 9px;font-size:18px}.invite-steps p{color:var(--muted);margin:0;font-size:14px}.invite-rules{color:var(--muted);padding:18px 0;font-size:13px}.invite-rules summary{cursor:pointer;color:var(--ink);width:-moz-fit-content;width:fit-content;font-weight:650}.invite-preview-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px;display:grid}.invite-preview{border:1px solid var(--line);background:var(--surface);border-radius:14px;transition:transform .18s;display:block;overflow:hidden;text-decoration:none!important}.invite-preview:hover{transform:translateY(-4px)}.invite-preview img{width:100%;height:auto;display:block}.invite-preview span{color:var(--muted);padding:12px;font-size:13px;display:block}.invite-preview b{color:var(--accent-strong);margin-right:7px}.invite-bottom{text-align:center}.invite-bottom h2{font-size:24px}.invite-footer{color:var(--muted);border-top:1px solid var(--line);padding:25px 0;font-size:12px}.invite-footer a{margin-left:12px}.invite-hero.compact{padding-top:0}.compact h1{font-size:max(26px,min(3.6vw,36px))}.invite-progress-card{border:1px solid var(--line);background:linear-gradient(110deg,var(--accent-soft),var(--surface));border-radius:22px;justify-content:space-between;align-items:center;gap:25px;padding:30px 34px;display:flex}.invite-counter{margin:0;line-height:1.3}.invite-counter strong{letter-spacing:-3px;font-size:64px;font-weight:800}.invite-counter span{color:var(--muted);font-size:24px}.invite-progress-card p:last-child{color:var(--muted);font-size:14px}.invite-progress-side{width:240px;max-width:100%}.invite-progress-side progress{width:100%;height:13px;accent-color:var(--accent-strong);margin-bottom:20px}.invite-progress-side p{font-size:12px!important}.invite-save{border:1px solid var(--line);border-left:4px solid var(--accent-strong);background:var(--surface);border-radius:14px;margin:20px 0 30px;padding:24px}.invite-save h2{margin:0;font-size:18px}.invite-save p{color:var(--muted);margin:8px 0 16px;font-size:14px}.invite-panel{margin:25px 0}.invite-shell label{margin:18px 0 8px;font-size:13px;font-weight:650;display:block}.invite-shell input,.invite-shell textarea{border:1px solid var(--line);background:var(--solid);width:100%;min-width:0;color:var(--ink);box-sizing:border-box;border-radius:10px;padding:13px 15px;font:14px/1.6 Microsoft YaHei,sans-serif}.invite-shell textarea{resize:vertical;margin-bottom:12px}.invite-copy-row{gap:10px;display:flex}.invite-copy-row input{flex:1}.invite-copy-row .invite-button{flex-shrink:0}.invite-reward p{color:var(--muted);font-size:14px}#invite-reward-result .invite-button{margin:8px 8px 8px 0}#invite-recover-form .invite-button{margin-top:15px}#invite-poster-box{margin-top:25px}#invite-poster-image{border:1px solid var(--line);border-radius:14px;width:min(360px,100%);height:auto;display:block}#invite-poster-box p{color:var(--muted);font-size:13px}.invite-shell [hidden]{display:none!important}.invite-shell :-webkit-any(a,button,input,textarea,summary):focus-visible{outline:3px solid var(--accent-strong);outline-offset:4px}.invite-shell :-moz-any(a,button,input,textarea,summary):focus-visible{outline:3px solid var(--accent-strong);outline-offset:4px}.invite-shell :is(a,button,input,textarea,summary):focus-visible{outline:3px solid var(--accent-strong);outline-offset:4px}@media (max-width:680px){.invite-nav,.invite-shell,.invite-footer{width:calc(100% - 32px)}.invite-nav{gap:12px;padding:20px 0}.invite-brand{font-size:18px}.invite-nav nav{gap:12px;font-size:12px}.invite-shell{padding-top:30px}.invite-hero h1{letter-spacing:-.7px}.invite-steps{grid-template-columns:1fr}.invite-steps li{padding:20px}.invite-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.invite-facts{gap:16px}.invite-facts b{font-size:20px}.invite-progress-card{padding:24px;display:block}.invite-progress-side{width:100%;margin-top:20px}.invite-panel,.invite-save{padding:20px}.invite-copy-row{flex-wrap:wrap}.invite-copy-row input{flex-basis:100%}.invite-counter strong{font-size:54px}.invite-section-heading h2,.invite-panel h2{font-size:22px}}.invite-copy-fallback{position:fixed;top:0;left:0}@media (prefers-reduced-motion:reduce){.invite-preview{transition:none}.invite-preview:hover{transform:none}}.invite-share-tip{border-left:3px solid var(--accent-strong);background:var(--accent-soft);max-width:680px;color:var(--ink);border-radius:0 10px 10px 0;margin:0 0 22px;padding:13px 17px;font-size:14px;line-height:1.8}#invite-reward-result{margin-top:20px}#invite-reward-qr{border:1px solid var(--line);box-sizing:border-box;background:#fff;border-radius:14px;width:min(280px,100%);height:auto;padding:10px;display:block}#invite-reward-result p{margin:12px 0 0}