/* 邀请有礼 (invite.html) and the page a friend's invite link opens (join.html). */
.referral-page{--ref-surface:#202133;--ref-soft:#28263c;--ref-line:#9184d930;background:radial-gradient(ellipse at 75% 16%,#7c5ac321,transparent 40%),var(--bg)}
.referral-main{max-width:1256px}
.invite-hero,.join-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;padding:66px 0 68px}.ref-eyebrow{font-size:12px;letter-spacing:.16em;color:var(--purple-light);margin-bottom:18px}.invite-copy h1{font-family:var(--serif);font-weight:400;font-size:clamp(38px,4.1vw,57px);line-height:1.27;letter-spacing:-.04em}.invite-copy h1 span{color:var(--purple-light)}.ref-lead{font-size:16px;line-height:1.9;color:var(--muted);margin-top:24px}.reward-pair{display:flex;align-items:flex-start;gap:38px;margin-top:36px}.reward-pair>div>span{display:block;font-size:13px;color:var(--muted);margin-bottom:9px}.reward-pair strong{display:block;font-size:38px;letter-spacing:-.04em;font-weight:500;white-space:nowrap}.reward-pair b{font-weight:600}.reward-pair strong small{font-size:13px;font-weight:400;color:var(--muted);margin-left:8px;letter-spacing:0}.reward-pair em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:6px}.reward-pair>i{font-style:normal;color:#686079;margin-top:34px}.reward-caption{max-width:420px;font-size:12px;color:var(--muted);margin-top:18px}.ref-text-link{display:inline-block;margin-top:20px;color:var(--purple-light);font-size:13px;border-bottom:1px solid #9184d964;padding-bottom:4px}
.paused-note{display:none;margin-top:30px;padding:14px 18px;border:1px solid var(--ref-line);border-radius:12px;background:#9184d912;font-size:13px;color:#d8d1e5;max-width:460px}.invite-paused .paused-note{display:block}.invite-paused .reward-pair,.invite-paused .reward-caption,.invite-paused .ref-steps,.invite-paused .credit-number,.invite-paused .claim-note{display:none}
.invite-console{background:linear-gradient(145deg,#34304e,#222236 70%);border:1px solid #b5a8f044;border-radius:23px;padding:30px;box-shadow:0 24px 90px #0b0c1933;position:relative;overflow:hidden}.console-heading{display:flex;align-items:center;gap:10px;color:#cfc6e2;font-size:12px}.invite-console h2{font-family:var(--serif);font-size:31px;font-weight:400;line-height:1.4;margin-top:27px}.invite-console>p{font-size:13px;color:var(--muted);margin-top:12px}.invite-console label{display:block;font-size:12px;margin:29px 0 10px;color:#d8d1e5}.copy-field{display:flex;gap:5px;border:1px solid #696077;border-radius:9px;padding:5px;margin-bottom:14px;background:#1818278c}.copy-field input{min-width:0;width:100%;background:transparent;border:0;color:#d2c8e4;font-size:12px;padding-left:9px;outline-offset:3px}.copy-field button{background:#3d3453;color:#e3daf3;font-size:12px;padding:11px 12px;border-radius:6px;white-space:nowrap}.wide{width:100%}.share-options{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);margin-top:18px}.share-options button{background:none;padding:0;font-size:11px;color:var(--muted)}.share-options b{color:#d1c6e5;font-size:11px;letter-spacing:.03em}.share-options a{color:var(--purple-light)}.console-note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.7}
.referral-page:not([data-signed="in"]) .signed-in,.referral-page:not([data-signed="out"]) .signed-out{display:none}
.ref-steps{border-block:1px solid var(--ref-line);display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:28px 0}.ref-steps article{display:flex;gap:15px}.step-index{font-size:12px;display:grid;place-items:center;flex-shrink:0;width:35px;height:35px;border-radius:50%;background:var(--ref-soft);color:var(--purple-light)}.ref-steps h3{font-size:14px;font-weight:500;margin-bottom:6px}.ref-steps p{font-size:12px;color:var(--muted);line-height:1.75}
.ref-bind{display:flex;justify-content:space-between;align-items:center;gap:40px;margin:48px 0 0;padding:28px 30px;border:1px solid var(--ref-line);border-radius:16px;background:var(--ref-surface)}.ref-bind[hidden]{display:none}.ref-bind .ref-eyebrow{margin-bottom:10px}.ref-bind h2{font-family:var(--serif);font-size:24px;font-weight:400}.ref-bind div>p:last-child{font-size:13px;color:var(--muted);margin-top:8px}.bind-form{display:flex;gap:8px;flex-shrink:0}.bind-form[hidden],.bind-done[hidden]{display:none}.bind-form input{width:170px;background:#1818278c;border:1px solid #696077;border-radius:9px;color:var(--text);padding:10px 12px;font-size:14px;letter-spacing:.12em;text-transform:uppercase}.bind-form input::placeholder{letter-spacing:0;text-transform:none}.bind-done{flex-shrink:0;font-size:14px;color:#b8d4c7}
.ref-ledger{margin:60px 0}.section-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:27px}.section-top .ref-eyebrow{margin-bottom:10px}.section-top h2,.ref-rules h2,.join-close h2{font-family:var(--serif);font-size:30px;font-weight:400}.ledger-stats{display:grid;grid-template-columns:repeat(3,1fr);background:var(--ref-surface);border:1px solid var(--ref-line);border-radius:16px;padding:27px 0;margin-bottom:17px}.ledger-stats>div{padding:0 28px;border-right:1px solid var(--ref-line)}.ledger-stats>div:last-child{border:0}.ledger-stats span{display:block;font-size:12px;color:var(--muted)}.ledger-stats strong{display:block;font-size:28px;font-weight:500;margin-top:12px}.ledger-stats small{font-size:12px;font-weight:400;margin-left:8px;color:var(--muted)}.ledger-stats>div:last-child strong{color:var(--purple-light)}.ledger-row{display:flex;align-items:center;gap:14px;padding:17px 8px;border-bottom:1px solid var(--ref-line)}.friend-avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;color:#cbbce8;background:#3c334f;font-size:13px;flex-shrink:0}.friend-avatar.peach{color:#d9bca8;background:#42362e}.friend-avatar.mint{color:#b4cdc7;background:#2e403e}.ledger-row strong{font-size:13px;font-weight:500}.ledger-row small{display:block;font-size:11px;color:var(--muted);margin-top:6px}.reward-status{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}.reward-status.earned{color:#b8d4c7}.ledger-empty{padding:26px 8px;font-size:13px;color:var(--muted)}
.ref-rules{display:grid;grid-template-columns:1fr 1.35fr;gap:70px;margin:70px 0 90px}.ref-faq details{border-bottom:1px solid #a998d126}.ref-faq summary{display:flex;justify-content:space-between;gap:16px;padding:20px 0;cursor:pointer;list-style:none;font-size:14px}.ref-faq summary::-webkit-details-marker{display:none}.ref-faq summary::after{content:'+';color:var(--purple-light);flex-shrink:0}.ref-faq details[open] summary::after{content:'−'}.ref-faq details p{font-size:13px;color:#b9b7ca;padding:0 0 20px;line-height:1.8}
.ref-toast{position:fixed;z-index:80;bottom:28px;left:50%;transform:translate(-50%,15px);padding:13px 22px;max-width:calc(100% - 32px);width:max-content;border:1px solid #9184d950;border-radius:12px;box-shadow:0 15px 45px #0004;background:#302b43;color:#eee8fc;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.ref-toast.visible{opacity:1;transform:translate(-50%,0)}
.join-hero{grid-template-columns:1.2fr .9fr;gap:100px;padding-bottom:78px}.join-points{display:flex;flex-wrap:wrap;gap:17px;margin-top:24px;font-size:11px;color:#cbc2dd}.join-points span:before{content:'✓';color:var(--purple-light);margin-right:6px}.welcome-card{position:relative;background:linear-gradient(130deg,#e4daf8,#f4effb 60%,#ded3f0);color:#30263f;border:1px solid #cab9e9;border-radius:22px;padding:28px 31px;text-align:center;box-shadow:0 24px 80px #08071433;animation:welcome-in .6s ease-out both}.welcome-top{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600}.welcome-card>p:first-of-type{margin-top:27px;color:#786a89;font-size:13px}.credit-number{display:flex;justify-content:center;align-items:baseline;gap:10px;margin-top:6px}.credit-number b{font-size:96px;font-weight:500;letter-spacing:-.08em;color:#69529d;line-height:1.2}.credit-number span{font-size:14px;color:#847097}.welcome-description{font-size:14px;color:#72617f;line-height:1.8;margin-top:14px}.invitation-context{display:flex;justify-content:space-between;gap:12px;border-top:1px dashed #bdaeccc0;padding-top:18px;margin:22px 0 20px;font-size:11px;color:#897598}.invitation-context strong{font-weight:500;color:#61477d;overflow-wrap:anywhere;max-width:70%;text-align:right}.welcome-card .button.primary{background:#765ca9;color:#faf6ff}.welcome-card .claim-note{font-size:11px;color:#877493;margin-top:12px;line-height:1.7}.welcome-card>a:not(.button){display:inline-block;font-size:12px;color:#74598f;margin-top:16px;border-bottom:1px solid #a999bc;padding-bottom:3px}
.join-page[data-invite="invalid"] .invite-valid,.join-page:not([data-invite="invalid"]) .invite-invalid{display:none}
.task-options{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.task-options article{border:1px solid var(--ref-line);border-radius:17px;padding:28px;background:linear-gradient(145deg,#27243790,#1e203190);display:flex;flex-direction:column}.task-kind{font-size:11px;color:var(--purple-light);margin-bottom:23px}.task-options h3{font-size:19px;font-weight:500;line-height:1.5;margin-bottom:12px}.task-options p{font-size:13px;color:var(--muted)}.task-example{border-top:1px solid var(--ref-line);padding-top:20px;margin-top:24px;flex:1}.task-example small{font-size:10px;color:#95869e}.task-example blockquote{margin:8px 0 24px;font-size:14px;line-height:1.8;color:#d4c9e7}.task-options a{font-size:12px;color:var(--purple-light)}.join-close{text-align:center;padding:85px 0}.join-close>img{margin:0 auto 20px}.join-close p{font-size:14px;color:var(--muted);margin:16px 0 24px}.join-close>a:not(.button){display:block;width:fit-content;margin:20px auto 0;font-size:12px;color:var(--muted)}
@keyframes welcome-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1050px){.invite-hero,.join-hero{gap:32px}.invite-copy h1{font-size:40px}.invite-console{padding:24px}.share-options{flex-wrap:wrap}.task-options article{padding:22px}.task-options h3{font-size:17px}.ref-rules{gap:35px}}
@media(max-width:760px){.ref-bind{flex-direction:column;align-items:stretch;gap:20px;padding:24px}.bind-form input{flex:1;width:auto}.invite-hero,.join-hero{grid-template-columns:1fr;gap:32px;padding:38px 0}.invite-copy h1{font-size:clamp(26px,7.7vw,36px)}.ref-lead{font-size:14px}.ref-lead br{display:none}.reward-pair{gap:24px;margin-top:26px}.reward-pair strong{font-size:32px}.ref-steps{grid-template-columns:1fr;gap:24px;padding:28px 0}.ref-steps p{font-size:13px}.ref-ledger{margin:40px 0}.section-top{align-items:flex-start;flex-direction:column;gap:15px}.ledger-stats{padding:20px 0}.ledger-stats>div{padding:0 13px}.ledger-stats span{font-size:10px}.ledger-stats strong{font-size:24px}.ledger-row{gap:10px}.ledger-row strong{font-size:12px}.ledger-row small{font-size:10px}.reward-status{font-size:11px}.ref-rules{grid-template-columns:1fr;gap:28px;margin:45px 0 65px}.welcome-card{padding:25px}.credit-number b{font-size:80px}.join-points{gap:12px;font-size:10px}.task-options{grid-template-columns:1fr}.task-options article{padding:25px}.task-options h3{font-size:21px}.section-top h2{font-size:28px;line-height:1.5}.join-close{padding:65px 0}.join-close h2{font-size:25px;line-height:1.5}}
@media(prefers-reduced-motion:reduce){.welcome-card{animation:none}.ref-toast{transition:none}}