.ad-page{margin:0;background:#f4f2eb;color:#1b3736}.ad-page>main{max-width:1220px;margin:0 auto;padding:24px}.ad-demo{--ad-ink:#193b38;--ad-teal:#276d63;--ad-pale:#e0eee7;--ad-paper:#faf8f1;--ad-line:#d4ddd3;--ad-muted:#62756d;--ad-red:#bd463a;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;color:var(--ad-ink);font-size:16px;line-height:1.65;text-align:left}.ad-demo *{box-sizing:border-box}.ad-demo a{color:inherit}.ad-demo button,.ad-demo input,.ad-demo select,.ad-demo textarea{font:inherit}.ad-demo button,.ad-demo a,.ad-demo input,.ad-demo select,.ad-demo textarea{-webkit-tap-highlight-color:transparent}.ad-demo :focus-visible{outline:3px solid #c25d3f;outline-offset:4px}.ad-frame{background:var(--ad-paper);border:1px solid var(--ad-line);border-radius:28px;padding:40px;overflow:hidden}.ad-demo h1,.ad-demo h2,.ad-demo h3,.ad-demo h4,.ad-demo p{margin:0}.ad-demo h1,.ad-demo h2{font-family:"Songti SC","STSong",Georgia,serif;letter-spacing:-.035em;font-weight:600;font-size:clamp(32px,4.6vw,64px);line-height:1.22}.ad-demo h3{font-size:27px;font-weight:600;letter-spacing:-.02em;line-height:1.3}.ad-demo h4{font-size:17px;line-height:1.4}.ad-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:38px}.ad-brand{text-decoration:none;font-weight:750;font-size:21px;letter-spacing:.08em}.ad-brand small{font-size:11px;letter-spacing:.1em;font-weight:500;margin-left:12px;color:var(--ad-muted)}.ad-lang{display:flex;gap:3px;flex:none;padding:4px;border:1px solid var(--ad-line);border-radius:999px}.ad-lang button{border:0;border-radius:999px;background:transparent;padding:6px 13px;font-size:13px;color:var(--ad-muted);cursor:pointer}.ad-lang button[aria-pressed=true]{background:var(--ad-ink);color:#fff}.ad-eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ad-teal);margin-bottom:12px!important}.ad-intro{max-width:900px}.ad-lead{font-size:18px;color:#51695e;max-width:760px;margin-top:20px!important}.ad-note{font-size:12px;color:var(--ad-muted);line-height:1.6}.ad-scope{margin-top:18px!important;border-left:2px solid #b5c9ba;padding-left:13px;max-width:830px}.ad-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0}.ad-tab{border:1px solid #aabfb4;border-radius:999px;background:transparent;color:var(--ad-ink);padding:10px 18px;min-height:44px;cursor:pointer;font-size:14px}.ad-tab[aria-pressed=true]{background:var(--ad-ink);color:#fff;border-color:var(--ad-ink)}.ad-tab:hover{border-color:var(--ad-teal)}.ad-demand{display:grid;grid-template-columns:1fr 1fr;gap:38px;padding:30px 0;border-top:1px solid var(--ad-line);border-bottom:1px solid var(--ad-line)}.ad-demand>*{min-width:0}.ad-metric-label{color:var(--ad-muted);font-size:14px}.ad-big{display:block;font-family:Georgia,"Songti SC",serif;font-size:clamp(45px,6.6vw,88px);font-weight:400;line-height:1.1;letter-spacing:-.055em;margin:12px 0}.ad-big small{font-family:inherit;font-size:22px;letter-spacing:0;margin-right:8px}.ad-key-context{font-size:15px;line-height:1.6;max-width:400px}.ad-mini-stats{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:25px}.ad-mini-stats strong{display:block;font-size:22px;line-height:1.2;font-weight:600;font-variant-numeric:tabular-nums}.ad-mini-stats span{display:block;font-size:12px;color:var(--ad-muted);margin-top:5px}.ad-chart-head{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:22px}.ad-chart-head h4{max-width:80%}.ad-chart{margin:0}.ad-bar-row{margin:16px 0}.ad-bar-label{display:flex;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:6px}.ad-bar-label strong{font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}.ad-bar-track{height:18px;background:#e5e9dd;border-radius:2px;overflow:hidden}.ad-bar-fill{height:100%;min-width:2px;background:var(--ad-teal);border-radius:2px;transform-origin:left center}.ad-bar-row.is-secondary .ad-bar-fill{background:#8ba995}.ad-chart-caption{font-size:12px;color:var(--ad-muted);margin-top:18px!important}.ad-thought{border-left:3px solid #c26b4f;padding:14px 18px;background:#f0eee2;margin-top:24px!important;font-size:14px}.ad-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px}.ad-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ad-teal);border-radius:999px;min-height:46px;padding:12px 22px;background:var(--ad-teal);color:#fff!important;font-size:14px;font-weight:600;text-decoration:none;line-height:1.35;cursor:pointer;text-align:center;max-width:100%}.ad-button:hover{background:#1c514a}.ad-button.secondary{background:transparent;color:var(--ad-ink)!important;border-color:#aabfb4}.ad-button.secondary:hover{background:#e9eee2}.ad-button:disabled{opacity:.5;cursor:not-allowed}.ad-link{font-size:14px;text-underline-offset:4px}.ad-section{padding-top:42px;margin-top:42px;border-top:1px solid var(--ad-line)}.ad-section-head{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:28px}.ad-section-head p{font-size:14px;color:var(--ad-muted)}.ad-price-chart{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:end;min-height:230px}.ad-price-col{min-width:0}.ad-price-column{height:150px;display:flex;align-items:flex-end;background:#edf0e6;border-bottom:1px solid #aac0b2}.ad-price-column i{display:block;width:100%;background:#588b76;min-height:3px}.ad-price-col strong{display:block;font-size:22px;font-weight:600;margin:8px 0 3px}.ad-price-col span{display:block;font-size:13px}.ad-price-col small{font-size:12px;color:var(--ad-muted)}.ad-economics{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:start}.ad-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}.ad-field{min-width:0}.ad-field label{display:block;font-size:13px;font-weight:600;line-height:1.4;margin-bottom:8px}.ad-field input,.ad-field select,.ad-field textarea{width:100%;min-width:0;min-height:45px;border:1px solid #abbfb2;background:#fffef9;border-radius:8px;color:var(--ad-ink);padding:10px 12px;font-size:16px;line-height:1.4}.ad-field input[aria-invalid=true]{border:2px solid var(--ad-red)}.ad-field small{display:block;color:var(--ad-muted);font-size:11px;margin-top:6px;line-height:1.5}.ad-advanced{margin-top:18px;border-top:1px solid var(--ad-line);padding-top:14px}.ad-demo summary{cursor:pointer;font-size:14px;font-weight:600;list-style:none;display:flex;gap:10px}.ad-demo summary::before{content:"+";color:var(--ad-teal)}.ad-demo details[open]>summary::before{content:"-"}.ad-demo summary::-webkit-details-marker{display:none}.ad-advanced .ad-fields{margin-top:18px}.ad-result{background:var(--ad-ink);color:#edf5ee;border-radius:18px;padding:28px;min-width:0}.ad-result .ad-note{color:#bbd4c5}.ad-result.is-loss{background:#733c33}.ad-result .ad-result-main{font-family:Georgia,serif;font-size:clamp(38px,4.4vw,56px);letter-spacing:-.035em;line-height:1.1;margin:12px 0}.ad-result-label{font-size:14px;color:#c4d9cc}.ad-result dl{display:grid;grid-template-columns:1fr auto;gap:14px 20px;margin:26px 0;font-size:14px;border-top:1px solid #567369;padding-top:20px}.ad-result dd{margin:0;text-align:right;font-variant-numeric:tabular-nums;font-weight:600;overflow-wrap:anywhere}.ad-result dt{color:#c4d9cc}.ad-equation{font-size:12px;line-height:1.7;background:rgba(255,255,255,.06);padding:14px;border-radius:8px;margin-top:18px!important;overflow-wrap:anywhere}.ad-error{font-size:13px;color:var(--ad-red);min-height:22px;margin-top:12px!important}.ad-model-note{padding:14px 0;font-size:12px;color:var(--ad-muted)}.ad-brief{background:#e6eee3;padding:28px;border-radius:18px}.ad-brief .ad-fields{margin-top:22px}.ad-brief .ad-wide{grid-column:1/-1}.ad-method{font-size:13px;line-height:1.8}.ad-method details{border-top:1px solid var(--ad-line);padding:18px 0}.ad-method p{margin-top:12px}.ad-method ul{padding-left:20px;margin:12px 0}.ad-footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--ad-muted);margin-top:30px;padding-top:20px;border-top:1px solid var(--ad-line)}.ad-empty{padding:34px 0;max-width:720px}.ad-empty p{margin-top:15px;color:var(--ad-muted)}.ad-load{padding:36px;background:#e6eee3;border-radius:20px;font:16px "PingFang SC",system-ui,sans-serif}.ad-demo[data-mode=compact] h2{font-size:clamp(31px,4vw,47px)}.ad-demo[data-mode=compact] .ad-top{margin-bottom:26px}.ad-demo[data-mode=compact] .ad-big{font-size:clamp(46px,6vw,70px)}
@media(max-width:850px){.ad-frame{padding:30px}.ad-demand,.ad-section-head,.ad-economics{grid-template-columns:1fr;gap:28px}.ad-demo h1,.ad-demo h2{max-width:700px}.ad-section{padding-top:32px;margin-top:32px}.ad-demand{padding:24px 0}.ad-key-context{max-width:none}.ad-mini-stats{gap:16px 30px}.ad-chart-head{margin-bottom:12px}}
@media(max-width:480px){.ad-page>main{padding:12px}.ad-frame{padding:22px 18px;border-radius:22px}.ad-top{margin-bottom:28px;gap:10px;align-items:center}.ad-brand{font-size:18px}.ad-brand small{display:none}.ad-lang button{padding:6px 10px;font-size:12px}.ad-lead{font-size:15px;margin-top:15px!important}.ad-demo h3{font-size:23px}.ad-tabs{gap:6px;margin:24px 0}.ad-tab{padding:8px 12px;font-size:12px;min-height:42px}.ad-big{font-size:48px}.ad-big small{font-size:17px}.ad-mini-stats strong{font-size:20px}.ad-mini-stats{gap:15px 22px}.ad-fields{grid-template-columns:1fr}.ad-field label{font-size:13px}.ad-result{padding:23px 20px}.ad-result dl{gap:14px;font-size:13px}.ad-price-chart{gap:10px}.ad-price-column{height:120px}.ad-price-col strong{font-size:19px}.ad-price-col span{font-size:11px}.ad-price-col small{font-size:10px}.ad-brief{padding:23px 18px}.ad-actions .ad-button{width:100%}.ad-button{padding:12px 17px}.ad-chart-head{align-items:start}.ad-chart-head h4{max-width:none}.ad-footer{gap:10px}.ad-note{font-size:11px}.ad-result .ad-result-main{font-size:40px}}
@media(prefers-reduced-motion:reduce){.ad-demo *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.ad-scale{font:500 .32em "PingFang SC","Microsoft YaHei",system-ui,sans-serif;letter-spacing:0;margin-left:7px}.ad-category-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px}.ad-category-value{display:block;font-family:Georgia,serif;font-size:40px;font-weight:400;line-height:1.2;margin:12px 0;letter-spacing:-.025em}.ad-category-grid .ad-key-context{font-size:13px;margin-top:15px;max-width:none}.ad-reset{background:transparent;border:0;color:var(--ad-teal);cursor:pointer;padding:10px 0;min-height:44px;text-decoration:underline}.ad-sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.ad-demo .ad-footer{padding:20px 0 0}.ad-demo .ad-lang button{min-height:36px}.ad-compact-link{padding-top:20px;border-top:1px solid var(--ad-line)}.ad-method .ad-chart{min-width:0}.ad-demo [data-ad-download-status]{margin-top:12px}.ad-demo [data-ad-result] dd{max-width:240px}.ad-demo [data-ad-content]{min-width:0}
@media(max-width:850px){.ad-category-grid{grid-template-columns:1fr;gap:25px}}
@media(max-width:480px){.ad-category-value{font-size:34px}.ad-demo .ad-big{font-size:45px}.ad-demo .ad-result-main{font-size:34px}.ad-demo [data-ad-result] dd{max-width:125px}.ad-bar-label{font-size:12px}.ad-demo .ad-chart-head{flex-wrap:wrap}.ad-lang{padding:2px}.ad-demo .ad-lang button{min-height:38px}.ad-demo .ad-tab{min-height:44px}.ad-demo summary{min-height:44px;align-items:center}.ad-demo .ad-top{flex-wrap:wrap}}

.ad-demo .ad-result-main{overflow-wrap:anywhere}.ad-demo .ad-lang button{min-height:44px}.ad-demo .ad-bar-label span{min-width:0;overflow-wrap:anywhere}

#demo{scroll-margin-top:84px}