:root{--ink:#14223b;--cobalt:#315bef;--cobalt-dark:#203fbe;--orange:#ff713e;--mint:#1ea77c;--paper:#f5f7fb;--line:#dce3ef;--muted:#66738a;--white:#fff;--shadow:0 18px 55px rgba(22,45,94,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei UI","PingFang SC",Arial,sans-serif;line-height:1.55}
button,input{font:inherit}
button,a{transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #9fb3ff;outline-offset:2px}
.site-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,76px);background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.logo>span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--cobalt);color:#fff;font-size:19px;font-weight:900;box-shadow:7px 7px 0 #dce4ff}.logo b{font-size:18px;letter-spacing:.04em}.logo small{padding-left:10px;border-left:1px solid var(--line);color:var(--muted);font-size:11px}
.site-head nav{display:flex;align-items:center;gap:24px}.site-head nav a{font-size:13px;color:var(--muted);text-decoration:none}.site-head nav a:hover{color:var(--cobalt)}
button{border:0;cursor:pointer}.quiet{padding:9px 15px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink)}.quiet:hover{border-color:#a9b9dd;box-shadow:0 6px 16px #2d4f9120}
.loading{min-height:70vh;display:grid;place-content:center;text-align:center;color:var(--muted)}.loading span{width:38px;height:38px;margin:auto;border:3px solid #d9e1f1;border-top-color:var(--cobalt);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.guest-hero{min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(350px,.72fr);gap:clamp(30px,6vw,100px);align-items:center;padding:64px clamp(24px,7vw,110px) 78px;background:linear-gradient(135deg,#f7f9ff 0 67%,#e9eeff 67%)}
.hero-copy{max-width:740px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cobalt);font:700 12px/1.2 Arial,sans-serif;letter-spacing:.14em;text-transform:uppercase}.eyebrow:before{content:"";width:28px;height:3px;background:var(--orange)}
.hero-copy h1{max-width:680px;margin:18px 0 18px;font-family:"Microsoft YaHei UI",sans-serif;font-size:clamp(43px,5.2vw,76px);line-height:1.05;letter-spacing:-.055em}.hero-copy h1 em{font-style:normal;color:var(--cobalt);position:relative}.hero-copy h1 em:after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:7px;background:var(--orange);opacity:.9;transform:skewX(-24deg)}
.hero-copy>p{max-width:580px;margin:0 0 32px;color:var(--muted);font-size:17px}
.route-ribbon{display:grid;grid-template-columns:repeat(5,1fr);max-width:690px;border:1px solid #cfd9ee;background:#fff;box-shadow:8px 8px 0 #dfe6f7}.route-ribbon span{position:relative;padding:15px 9px;text-align:center;font-size:12px;font-weight:700;border-right:1px solid var(--line)}.route-ribbon span:last-child{border:0;background:var(--ink);color:#fff}.route-ribbon span:not(:last-child):after{content:"›";position:absolute;right:-5px;top:13px;z-index:2;color:var(--cobalt);background:#fff;font-size:17px}
.proof-row{display:flex;gap:22px;margin-top:25px;color:var(--muted);font-size:12px}.proof-row b{color:var(--ink);font-size:15px}.proof-row span{display:flex;gap:7px;align-items:center}.proof-row i{font-style:normal;color:var(--mint)}
.auth-card{width:100%;max-width:450px;justify-self:end;background:#fff;border:1px solid #d7dfed;border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.pass-head{display:grid;grid-template-columns:1fr auto;gap:14px;padding:25px 27px 19px;border-bottom:1px dashed #cbd4e3;background:linear-gradient(120deg,#fff,#f3f6ff)}.pass-head small{display:block;color:var(--muted);font:700 10px Arial;letter-spacing:.13em}.pass-head h2{margin:5px 0 0;font-size:21px}.pass-price{text-align:right;color:var(--orange);font-weight:900;font-size:31px;line-height:1}.pass-price small{margin-top:5px;color:var(--muted);font-size:10px;letter-spacing:0}
.auth-body{padding:22px 27px 28px}.tab-row{display:grid;grid-template-columns:1fr 1fr;margin-bottom:22px;border-bottom:1px solid var(--line)}.tab-row button{padding:10px;background:transparent;color:var(--muted);border-bottom:3px solid transparent}.tab-row button.active{color:var(--cobalt);border-color:var(--cobalt);font-weight:800}
.field{display:grid;gap:7px;margin-bottom:14px}.field span{font-size:12px;font-weight:700}.field input{width:100%;height:45px;padding:0 13px;border:1px solid #cbd5e5;border-radius:9px;background:#fbfcfe;color:var(--ink)}.field input:focus{border-color:var(--cobalt);background:#fff}
.code-line{display:grid;grid-template-columns:1fr auto;gap:8px}.code-line button{padding:0 13px;border-radius:9px;background:#edf1fb;color:var(--cobalt);font-size:12px;font-weight:700}.code-line button:disabled{color:#8993a5;cursor:default}
.primary{width:100%;min-height:47px;padding:11px 18px;border-radius:9px;background:var(--cobalt);color:#fff;font-weight:800;box-shadow:0 8px 0 #203fbe}.primary:hover{transform:translateY(-2px);box-shadow:0 10px 0 #203fbe}.primary:active{transform:translateY(5px);box-shadow:0 3px 0 #203fbe}.primary:disabled{background:#a8b4cf;box-shadow:0 6px 0 #8793ad;cursor:not-allowed;transform:none}
.wechat-login{display:grid;place-items:center;text-align:center;min-height:216px}.wechat-orb{display:grid;place-items:center;width:74px;height:74px;margin-bottom:16px;border-radius:24px;background:#e7f8f1;color:#06a862;font-size:36px}.wechat-login h3{margin:0 0 8px}.wechat-login p{margin:0 0 18px;color:var(--muted);font-size:12px}.wechat-login .consent{max-width:310px}.wechat-login .primary{max-width:260px;background:#07b86a;box-shadow:0 8px 0 #078c55}.channel-note{min-height:18px;margin:14px 0 0;color:var(--muted);font-size:11px;text-align:center}.channel-note.warn{color:#ad5d22}.consent{display:flex;align-items:flex-start;gap:6px;margin:5px 0 14px;color:var(--muted);font-size:10px;text-align:left}.consent input{margin-top:2px;accent-color:var(--cobalt)}.consent a{color:var(--cobalt);text-decoration:none}
.feature-band{padding:80px clamp(24px,7vw,110px);background:#fff}.section-title{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-title h2{margin:0;font-size:clamp(30px,4vw,48px);line-height:1.1;letter-spacing:-.04em}.section-title p{max-width:460px;margin:0;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:14px}.feature-grid article{min-height:230px;padding:25px;border:1px solid var(--line);background:var(--paper);position:relative;overflow:hidden}.feature-grid article:first-child{background:var(--ink);color:#fff}.feature-grid strong{display:block;font-size:46px;line-height:1;color:var(--orange)}.feature-grid h3{margin:48px 0 7px;font-size:20px}.feature-grid p{margin:0;color:#93a0b5;font-size:13px}.feature-grid article:not(:first-child) p{color:var(--muted)}.feature-grid article:after{content:"";position:absolute;right:-42px;top:-42px;width:110px;height:110px;border:18px solid rgba(49,91,239,.09);border-radius:50%}
.member-shell{min-height:calc(100vh - 72px);padding:42px clamp(22px,6vw,88px) 76px}.member-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.member-top small{display:block;color:var(--muted)}.member-top h1{margin:2px 0;font-size:29px}.user-actions{display:flex;gap:10px}.invite-banner{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:-8px 0 18px;padding:14px 18px;border:1px solid #cbd8ff;border-radius:12px;background:linear-gradient(100deg,#edf2ff,#fff8eb);color:var(--ink);text-align:left}.invite-banner span{display:flex;align-items:baseline;gap:12px}.invite-banner b{color:var(--cobalt)}.invite-banner small{color:var(--muted)}.invite-banner strong{flex:none;color:var(--orange);font-size:12px}.invite-banner:hover{transform:translateY(-1px);box-shadow:0 8px 20px #315bef18}
.dashboard{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.72fr);gap:18px}.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 8px 26px rgba(27,48,87,.06)}
.license-panel{min-height:360px;background:var(--ink);color:#fff;position:relative;overflow:hidden}.license-panel:after{content:"";position:absolute;right:-90px;bottom:-110px;width:340px;height:340px;border:42px solid #315bef;border-radius:50%;opacity:.65}.license-panel>*{position:relative;z-index:1}.status-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:30px;background:#ffffff14;color:#b9c7e3;font-size:11px}.status-pill i{width:7px;height:7px;border-radius:50%;background:#ffcf5a}.license-panel h2{max-width:520px;margin:24px 0 12px;font-size:clamp(31px,4vw,51px);line-height:1.08;letter-spacing:-.045em}.license-panel p{max-width:560px;color:#aebbd3}.license-panel .primary{width:auto;min-width:210px;margin-top:24px;background:#fff;color:var(--ink);box-shadow:0 8px 0 #ffcf5a}.license-panel .primary:hover{box-shadow:0 10px 0 #ffcf5a}
.purchase-panel h2{margin:3px 0 8px;font-size:31px}.price-line{display:flex;align-items:baseline;gap:8px;margin:18px 0}.price-line strong{font-size:54px;color:var(--orange);line-height:1}.price-line span{color:var(--muted)}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:20px 0 25px}.benefits span{padding:12px 8px;border:1px solid var(--line);background:#f8faff;text-align:center;font-size:12px;font-weight:700}.benefits span:before{content:"✓";margin-right:5px;color:var(--mint)}
.pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:11px}.pay-button{min-height:50px;border:1px solid var(--line);border-radius:9px;background:#fff;font-weight:800}.pay-button.wechat{color:#078b54}.pay-button.alipay{color:#1677ff}.pay-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 18px #283d6a18}.pay-button:disabled{color:#9aa4b6;background:#f5f6f8;cursor:not-allowed}.pay-button small{display:block;font-size:9px;font-weight:400}.ref-bind{display:flex;gap:8px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}.ref-bind input{min-width:0;flex:1;height:41px;padding:0 12px;border:1px solid var(--line);border-radius:8px}.ref-bind button{padding:0 15px;border-radius:8px;background:#e9eefc;color:var(--cobalt);font-weight:700}
.side-stack{display:grid;gap:18px}.profile-panel h3,.referral-panel h3{margin:0 0 16px}.profile-line{display:flex;align-items:center;gap:12px}.avatar{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#e4eaff;color:var(--cobalt);font-weight:900}.profile-line small{display:block;color:var(--muted)}
.referral-head{display:flex;align-items:start;justify-content:space-between}.ref-code{padding:5px 8px;border-radius:5px;background:#eef2ff;color:var(--cobalt);font:800 13px Arial;letter-spacing:.06em}.money-grid{display:grid;grid-template-columns:repeat(3,1fr);margin:16px 0;border:1px solid var(--line)}.money-grid div{padding:12px 7px;text-align:center;border-right:1px solid var(--line)}.money-grid div:last-child{border:0}.money-grid strong{display:block;font-size:18px}.money-grid small{font-size:9px;color:var(--muted)}.share-line{display:grid;grid-template-columns:1fr auto;gap:8px}.share-line input{min-width:0;height:39px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#f7f8fb;color:var(--muted);font-size:11px}.share-line button{padding:0 12px;border-radius:8px;background:var(--cobalt);color:#fff}.payout-line{display:flex;align-items:center;justify-content:space-between;margin-top:14px}.payout-line small{max-width:180px;color:var(--muted);font-size:10px}.payout-line button{padding:8px 12px;border-radius:8px;background:var(--ink);color:#fff;font-size:11px}.payout-line button:disabled{background:#aeb6c4}
.policy-card{margin-top:18px;padding:18px;border:1px solid #f0dbc8;background:#fff9f3;border-radius:10px}.policy-card b{color:#a75222}.policy-card ul{margin:9px 0 0;padding-left:18px;color:#765b4c;font-size:11px}
.payment-dialog{width:min(430px,calc(100% - 30px));border:0;border-radius:18px;padding:0;box-shadow:0 28px 100px #0d183b55}.payment-dialog::backdrop{background:#111d36b5;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:13px;top:11px;z-index:2;width:32px;height:32px;border-radius:50%;background:#eef1f7;color:var(--ink);font-size:20px}.qr-wrap{padding:30px;text-align:center}.qr-wrap h2{margin:4px 0 4px}.qr-wrap p{margin:0 0 18px;color:var(--muted);font-size:12px}.qr-wrap img{width:248px;height:248px;border:10px solid #f4f6fa}.qr-wrap strong{display:block;margin-top:13px;color:var(--orange);font-size:24px}.qr-status{margin-top:8px;color:var(--mint)!important}
.referral-dialog{width:min(590px,calc(100% - 28px));padding:0;border:0;border-radius:18px;box-shadow:0 28px 100px #0d183b66;overflow:hidden}.referral-dialog::backdrop{background:#111d36a8;backdrop-filter:blur(5px)}.referral-close{position:absolute;right:13px;top:12px;z-index:3;width:34px;height:34px;border-radius:50%;background:#ffffffc9;color:var(--ink);font-size:21px}.referral-pop{padding:35px 34px 25px;background:linear-gradient(135deg,#fff 0 74%,#edf2ff 74%);position:relative}.reward-stamp{position:absolute;right:34px;top:35px;display:grid;place-items:center;width:105px;height:105px;border-radius:50%;background:var(--cobalt);color:#fff;box-shadow:9px 9px 0 #ffcf5a;transform:rotate(4deg)}.reward-stamp small{font-size:10px}.reward-stamp b{font:900 32px/1 Arial}.referral-pop>div:nth-child(2){padding-right:125px}.referral-pop h2{margin:11px 0 9px;font-size:28px;line-height:1.18;letter-spacing:-.035em}.referral-pop p{margin:0;color:var(--muted);font-size:13px}.reward-steps{display:grid;grid-template-columns:repeat(3,1fr);margin:25px 0 17px;border:1px solid var(--line);background:#fff}.reward-steps span{padding:12px 8px;text-align:center;border-right:1px solid var(--line);font-size:11px;color:var(--muted)}.reward-steps span:last-child{border:0}.reward-steps b{display:block;color:var(--ink);font-size:14px}.referral-pop-link{display:grid;grid-template-columns:1fr auto;gap:8px}.referral-pop-link input{min-width:0;height:46px;padding:0 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted)}.referral-pop-link button{padding:0 18px;border-radius:9px;background:var(--orange);color:#fff;font-weight:800;box-shadow:0 5px 0 #ce4e22}.pop-later{display:block;margin:18px auto 0;background:transparent;color:var(--muted);font-size:11px;text-decoration:underline}
.toast{position:fixed;left:50%;bottom:30px;z-index:80;transform:translate(-50%,30px);padding:11px 17px;border-radius:9px;background:var(--ink);color:#fff;box-shadow:0 10px 30px #11203b55;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}
footer{display:flex;justify-content:space-between;gap:20px;padding:24px clamp(20px,5vw,76px);border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:11px}footer p{margin:0}footer a{color:var(--muted)}
.error-box{padding:12px;border:1px solid #ffc2ad;background:#fff2ed;color:#a84221;border-radius:8px;font-size:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:980px){.guest-hero{grid-template-columns:1fr;min-height:0;align-items:start;gap:58px;background:#f7f9ff}.auth-card{justify-self:start;max-width:560px}.dashboard{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid article:first-child{grid-column:1/-1}}
@media(max-width:650px){.site-head{height:64px;padding:0 16px}.logo small,.site-head nav a{display:none}.site-head nav{gap:8px}.guest-hero{padding:46px 17px 60px}.hero-copy h1{font-size:42px}.route-ribbon{grid-template-columns:1fr}.route-ribbon span{display:none}.route-ribbon span:last-child{display:block}.proof-row{flex-wrap:wrap}.auth-card{border-radius:13px}.feature-band{padding:55px 17px}.section-title{display:block}.section-title p{margin-top:14px}.feature-grid{grid-template-columns:1fr}.feature-grid article:first-child{grid-column:auto}.member-shell{padding:26px 14px 55px}.member-top{align-items:start}.member-top h1{font-size:23px}.user-actions{flex-direction:column}.invite-banner{align-items:flex-start}.invite-banner span{display:grid;gap:1px}.invite-banner strong{display:none}.dashboard{display:block}.side-stack{display:grid;grid-template-columns:1fr;margin-top:16px}.benefits{grid-template-columns:1fr}.pay-methods{grid-template-columns:1fr}.money-grid strong{font-size:15px}.license-panel{min-height:390px}.license-panel h2{font-size:34px}.referral-dialog{width:100%;max-width:none;margin:auto 0 0;border-radius:18px 18px 0 0}.referral-pop{padding:28px 20px 22px;background:#fff}.reward-stamp{position:static;width:auto;height:auto;display:flex;justify-content:center;gap:9px;margin:2px 45px 20px 0;padding:10px 14px;border-radius:9px;transform:none;box-shadow:6px 6px 0 #ffcf5a}.reward-stamp b{font-size:24px}.referral-pop>div:nth-child(2){padding:0}.referral-pop h2{font-size:25px}.reward-steps{grid-template-columns:1fr}.reward-steps span{border-right:0;border-bottom:1px solid var(--line)}.reward-steps span:last-child{border-bottom:0}.referral-pop-link{grid-template-columns:1fr}.referral-pop-link button{height:46px}footer{display:block}footer p+ p{margin-top:5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}