:root{color-scheme:light;--paper:#f7f6f3;--ink:#242622;--muted:#72756e;--line:#d4d5cd;--blue:#225dcc;--serif:"Noto Serif SC","Songti SC",SimSun,serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #85a9ec;outline-offset:5px}[hidden]{display:none!important}.wrap{width:min(1240px,calc(100% - 112px));margin-inline:auto}.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-160%);z-index:10;background:white;padding:10px}.skip-link:focus{transform:none}.download-header{display:flex;align-items:center;justify-content:space-between;min-height:100px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:650;letter-spacing:-.7px}.brand img{display:block}.download-header nav{display:flex;gap:32px;font-size:14px}.download-header nav a:hover,.download-footer a:hover{color:var(--blue)}.edition{display:flex;justify-content:space-between;padding-top:30px;font-size:11px;letter-spacing:1.8px}.hero-grid{display:grid;grid-template-columns:1.38fr 1fr;gap:70px;padding:56px 0 72px}.eyebrow{margin:0 0 24px;font-size:14px;letter-spacing:.08em}h1{position:relative;margin:0;font-size:clamp(48px,5.8vw,82px);font-weight:600;letter-spacing:-4px;line-height:1.15}h1 span{font-family:var(--serif);font-weight:500;letter-spacing:-1px}h1 i{font-style:normal;position:absolute;right:5px;top:-6px;font-weight:350;font-size:64px}.hero-subtitle{margin:30px 0 12px;font-size:20px;font-weight:500;letter-spacing:-.5px}.feature-line{margin:0;color:var(--muted);font-size:13px;line-height:1.95}.hero-offer{border-left:1px solid var(--line);padding:3px 0 0 44px;align-self:stretch}.offer-label{margin:0;font-size:16px}.gift-display{display:flex;align-items:center;gap:17px;margin:8px 0 18px;color:var(--blue)}#signup-amount{font-size:clamp(88px,9vw,126px);font-weight:500;line-height:1.05;letter-spacing:-8px;overflow-wrap:anywhere}.gift-unit{font-size:30px;line-height:1.2}.gift-unit span{display:block;margin-top:9px;font-size:13px;color:var(--ink);white-space:nowrap}.offer-status{font-size:14px;color:var(--muted);margin:16px 0 22px;min-height:22px}.download-button{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:65px;padding:18px 23px;background:var(--blue);border:1px solid var(--blue);border-radius:7px;color:#fff;font-weight:550;font-size:17px;cursor:pointer;transition:background .15s,transform .15s}.download-button:hover{background:#194da9}.download-button:active{transform:translateY(1px)}.download-button[aria-disabled=true]{background:#dedfd9;border-color:#dedfd9;color:#767970;cursor:wait}.download-button svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.6;flex:none}.download-meta{font-size:11px;color:var(--muted);letter-spacing:.2px;margin:12px 0 0}.download-status{font-size:12px;color:var(--muted);margin:8px 0 0}.cloud-note{font-size:12px;color:var(--muted);margin:26px 0 0;line-height:1.9}.invitation-strip{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px 30px;border-top:1px solid var(--line);padding:24px 0}.small-label{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted)}.invitation-strip p{margin:5px 0 0;font-size:13px}.code-group{display:flex;align-items:center;gap:28px;min-width:0}.code-group code{font:24px/1.2 ui-monospace,Consolas,monospace;letter-spacing:1px;overflow-wrap:anywhere}.code-group button{border:1px solid #bfc2b8;background:transparent;border-radius:5px;padding:9px 15px;cursor:pointer;font-size:13px;white-space:nowrap}.code-group button:hover{background:#eeeee8}#invitation-status{grid-column:1/-1;color:var(--muted)}.experience-section,.start-section,.packages-section{border-top:1px solid var(--ink);padding:60px 0 65px}.section-heading{display:grid;grid-template-columns:135px 1fr 1fr;gap:35px;align-items:start;margin-bottom:50px}.section-index{font-size:11px;letter-spacing:.05em;padding-top:5px}.section-heading h2{margin:0;font-family:var(--serif);font-size:34px;font-weight:500;line-height:1.4;letter-spacing:-1px}.section-heading>p{justify-self:end;margin:5px 0 0;font-size:13px;color:var(--muted);line-height:1.9}.experience-row{position:relative;display:grid;grid-template-columns:135px 1fr 1.1fr;gap:35px;align-items:center;min-height:170px;border-top:1px solid var(--line);padding:24px 0}.experience-row:last-child{border-bottom:1px solid var(--line)}.row-number{font-size:13px;align-self:start;margin-top:17px}.experience-amount{display:flex;align-items:baseline;gap:8px;min-width:0}.experience-amount strong{font-size:clamp(66px,7.3vw,100px);font-weight:450;line-height:1.1;letter-spacing:-5px;font-variant-numeric:tabular-nums}.experience-amount span{font-size:19px}.experience-copy h3{margin:0 0 12px;font-size:23px;font-weight:550;letter-spacing:-.6px}.experience-copy p{margin:0;color:var(--muted);font-size:13px}.choice-label{position:absolute;right:0;bottom:-12px;background:var(--paper);padding:0 0 0 14px;font-size:12px;color:var(--muted);z-index:1}.experience-footnote{margin:21px 0 45px;text-align:right;font-size:11px;color:var(--muted)}.experience-footnote a{white-space:nowrap;margin-left:12px;text-decoration:underline;text-underline-offset:3px}.function-line{display:grid;grid-template-columns:135px 1fr;gap:35px;padding-top:35px;font-size:12px}.function-line>span{color:var(--muted)}.function-line p{margin:0;line-height:1.9}.function-line b{font-weight:400;color:#a4a69d;margin:0 13px}.start-steps{list-style:none;margin:0 0 0 170px;padding:0}.start-steps li{position:relative;display:grid;grid-template-columns:70px 1fr;gap:24px;padding:0 0 35px}.start-steps li:not(:last-child):before{content:"";position:absolute;left:5px;top:22px;bottom:0;width:1px;background:var(--line)}.start-steps li>span{font-size:14px;padding-left:22px}.start-steps li>span:before{content:"";position:absolute;left:1px;top:9px;width:9px;height:9px;background:#7c8075;border-radius:50%}.start-steps h3{font-size:19px;font-weight:550;margin:0 0 7px}.start-steps p{font-size:13px;color:var(--muted);margin:0}.invite-again{margin:22px 0 0 170px;padding-top:26px;border-top:1px solid var(--line)}.invite-again h3{font-size:24px;font-weight:500;margin:13px 0 9px}.invite-again h3 span{color:var(--blue);font-size:31px;margin-inline:5px}.invite-again p{font-size:12px;color:var(--muted);margin:0}.package-list{margin-left:170px}.package-placeholder,.package-item{display:flex;align-items:center;justify-content:space-between;gap:28px;border-top:1px solid var(--line);padding:24px 0;font-size:15px}.package-placeholder p,.package-item p{font-size:12px;color:var(--muted);margin:0}.package-item a{white-space:nowrap;color:var(--blue)}.final-download{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;padding:60px 0 70px;border-top:1px solid var(--ink)}.final-download h2{font-size:44px;font-weight:500;line-height:1.35;letter-spacing:-1.5px;margin:0;font-family:var(--serif)}.final-download .eyebrow{font-size:11px;letter-spacing:1.3px;color:var(--muted);margin-bottom:18px}.download-footer{border-top:1px solid var(--line);padding:30px 0 22px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:35px}.download-footer .brand{font-size:20px}.download-footer nav{display:flex;flex-wrap:wrap;gap:20px;font-size:11px}.gift-notice{margin:25px 0 24px;font-size:10px;color:var(--muted);max-width:790px;line-height:1.9}.footer-bottom{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted)}.noscript-message{padding:20px;text-align:center}
@media(min-width:1500px){.hero-grid{padding-top:75px;padding-bottom:90px}.hero-subtitle{margin-top:38px}.hero-offer{padding-top:10px}.experience-row{min-height:185px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.hero-grid{gap:38px;grid-template-columns:1.1fr 1fr}.hero-offer{padding-left:30px}h1{font-size:58px}h1 i{display:none}.hero-subtitle{font-size:17px}.section-heading,.experience-row{grid-template-columns:70px 1fr 1.15fr;gap:25px}.section-heading h2{font-size:30px}.experience-copy h3{font-size:19px}.experience-amount strong{font-size:76px}.function-line{grid-template-columns:70px 1fr;gap:25px}.start-steps,.invite-again,.package-list{margin-left:95px}.final-download{gap:50px}.code-group{gap:15px}.code-group code{font-size:21px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.download-header{min-height:77px}.brand{font-size:21px}.download-header nav{gap:17px;font-size:12px}.download-header nav a:first-child{display:none}.edition{font-size:9px;padding-top:22px;letter-spacing:.8px}.hero-grid{grid-template-columns:1fr;gap:34px;padding:37px 0 36px}.eyebrow{font-size:12px;margin-bottom:18px}h1{font-size:clamp(47px,12vw,70px);letter-spacing:-2.6px}h1 i{display:block;right:8px;top:2px;font-size:48px}.hero-subtitle{font-size:17px;margin-top:23px}.feature-line{font-size:11px}.hero-offer{border-left:0;border-top:1px solid var(--line);padding:26px 0 0;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0 16px}.offer-label{grid-column:1/-1;font-size:14px}.gift-display{margin:7px 0 14px;grid-column:1/-1}#signup-amount{font-size:94px}.gift-unit{font-size:25px}.offer-status{grid-column:1/-1;margin:5px 0 20px;font-size:12px}.hero-offer>.download-button{grid-column:1/-1}.download-meta{font-size:10px}.download-status{grid-column:1/-1;font-size:11px}.cloud-note{grid-column:1/-1;margin-top:18px;font-size:11px}.cloud-note br{display:none}.download-button{min-height:60px;font-size:16px;padding:17px 20px}.invitation-strip{grid-template-columns:1fr;gap:14px;padding:22px 0}.code-group{justify-content:space-between}.code-group code{font-size:23px}.invitation-strip p{font-size:12px}.experience-section,.start-section,.packages-section{padding:32px 0 38px}.section-heading{grid-template-columns:1fr;gap:17px;margin-bottom:28px}.section-index{font-size:10px}.section-heading h2{font-size:29px;line-height:1.45}.section-heading>p{justify-self:start;margin:0;font-size:12px}.section-heading>p br{display:none}.experience-row{grid-template-columns:30px 1fr;gap:10px 15px;min-height:0;padding:22px 0 28px}.row-number{font-size:11px;margin-top:13px}.experience-amount strong{font-size:77px;letter-spacing:-4px}.experience-copy{grid-column:2}.experience-copy h3{font-size:18px;margin:5px 0 7px}.experience-copy p{font-size:11px}.experience-footnote{text-align:left;font-size:10px;margin:22px 0 20px;line-height:1.9}.experience-footnote a{margin-left:0;display:inline-block}.function-line{grid-template-columns:1fr;gap:9px;padding-top:16px;font-size:11px}.function-line b{margin:0 6px}.start-steps,.invite-again,.package-list{margin-left:0}.start-steps li{grid-template-columns:45px 1fr;gap:14px;padding-bottom:28px}.start-steps h3{font-size:17px}.start-steps p{font-size:12px;line-height:1.9}.invite-again h3{font-size:21px}.package-placeholder,.package-item{align-items:start;flex-direction:column;gap:9px}.package-placeholder p{font-size:11px}.final-download{grid-template-columns:1fr;gap:27px;padding:35px 0 40px}.final-download h2{font-size:35px}.footer-top{align-items:start;flex-direction:column;gap:22px}.download-footer nav{gap:12px 20px}.gift-notice{font-size:9px}.footer-bottom{flex-direction:column;gap:6px;font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.download-button{transition:none}}