*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Microsoft YaHei",Arial,sans-serif;line-height:1.72;color:var(--ink);background:var(--paper)}a{color:inherit}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.22;margin-top:0}h1{font-size:clamp(2.3rem,5vw,4.9rem);letter-spacing:-.045em}h2{font-size:clamp(1.65rem,3vw,2.7rem);letter-spacing:-.025em}p{margin:0 0 1.25rem}.wrap{width:min(1180px,92%);margin:auto}.brand{font-size:23px;font-weight:900;text-decoration:none;letter-spacing:-.04em}.brand span{color:var(--accent)}.nav a,.source-link{text-decoration:none}.cta{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.9rem 1.35rem;border-radius:999px;background:var(--accent);color:white;text-decoration:none;font-weight:800;border:1px solid var(--accent)}.cta.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;font-weight:900;color:var(--accent)}.crumbs{display:flex;gap:.55rem;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-bottom:2rem}.crumbs a{text-decoration:underline}.site-footer{padding:3.5rem 0 2rem;border-top:1px solid var(--line);margin-top:5rem}.site-footer .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:3rem}.site-footer nav a{display:block;margin:.45rem 0;text-decoration:none}.site-footer small{display:block;border-top:1px solid var(--line);padding-top:1.2rem;margin-top:2rem;color:var(--muted)}.page-head{padding:4rem 0 2rem}.page-head p:not(.eyebrow){max-width:820px;font-size:1.1rem;color:var(--muted)}.source-note{font-size:.78rem;color:var(--muted)}.source-note a{text-decoration:underline}.download-strip{display:flex;align-items:center;gap:1.5rem;justify-content:space-between;padding:1.35rem 1.5rem;border:1px solid var(--line);background:var(--soft);margin:2rem 0}.download-strip p{margin:0}.page-sections{display:grid;gap:1.25rem}.page-sections article{scroll-margin-top:2rem}.page-sections article p{color:var(--muted)}.confirm-shell{width:min(760px,92%);margin:6vh auto;padding:3rem;border:1px solid var(--line);background:var(--paper)}.confirm-shell img{display:block;max-height:250px;margin:0 auto 2rem}.confirm-list{padding:1.2rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:1.5rem 0}.confirm-list li{margin:.6rem 0}.consent{display:flex;align-items:flex-start;gap:.75rem;margin:1.5rem 0}.consent input{width:20px;height:20px;margin-top:.25rem}.confirm-shell button:disabled{opacity:.4;cursor:not-allowed}.confirm-shell button{font:inherit;cursor:pointer}.confirm-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;font-size:.82rem;margin:1.5rem 0}.confirm-meta div{padding:1rem;background:var(--soft)}.confirm-meta strong{display:block}.error-page{min-height:70vh;display:grid;place-items:center;text-align:center;padding:2rem}.error-page p{color:var(--muted)}
@media(max-width:760px){.site-footer .footer-grid{grid-template-columns:1fr}.confirm-meta{grid-template-columns:1fr}.confirm-shell{padding:1.6rem}.download-strip{align-items:flex-start;flex-direction:column}}

:root{--accent:#b65335;--accent2:#356f68;--ink:#202826;--muted:#66716d;--paper:#fbfaf6;--soft:#f0eee6;--line:#d9d8cf}body{background:var(--paper);color:var(--ink)}.support-header{background:rgba(251,250,246,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.support-header .bar{display:flex;align-items:center;gap:2.2rem;padding:1rem 0}.support-header nav{display:flex;gap:1.5rem;margin-left:auto}.support-header nav a{text-decoration:none;font-size:.9rem;color:#39433f}.support-header nav a:hover{text-decoration:underline;text-underline-offset:5px}.support-header .cta{padding:.7rem 1.1rem}.support-hero{padding:5.8rem 0 4.8rem;background:linear-gradient(180deg,#f4f2eb 0,#fbfaf6 100%)}.support-hero .hero-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:5rem;align-items:center}.support-hero .kicker{font-size:.88rem;color:var(--accent);font-weight:800}.support-hero h1{font-family:Georgia,"Microsoft YaHei",serif;font-size:clamp(2.7rem,5vw,4.8rem);max-width:700px}.support-hero .lead{color:var(--muted);font-size:1.12rem;max-width:650px}.support-hero .hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}.support-hero figure{margin:0;background:#e6ece8;padding:2.2rem 2.2rem 1.4rem;border-radius:34px 10px 34px 10px}.support-hero figure img{display:block;max-height:440px;margin:auto;object-fit:contain}.support-hero figcaption{font-size:.76rem;color:var(--muted);margin-top:1rem}.support-path{padding:5rem 0}.support-path .intro{display:grid;grid-template-columns:.65fr 1.35fr;gap:5rem;margin-bottom:2rem}.support-path .intro p{color:var(--muted);max-width:700px}.support-links{border-top:1px solid var(--line)}.support-links a{display:grid;grid-template-columns:1fr 1.4fr auto;gap:2rem;align-items:center;padding:1.6rem 0;border-bottom:1px solid var(--line);text-decoration:none}.support-links strong{font:700 1.25rem Georgia,"Microsoft YaHei",serif}.support-links span{color:var(--muted)}.support-links b{font-size:1.4rem;color:var(--accent)}.support-note{padding:4.5rem 0;background:#263b37;color:#fff}.support-note .note-grid{display:grid;grid-template-columns:1fr .9fr;gap:5rem;align-items:center}.support-note p{color:#d7e2df;max-width:700px}.support-note img{max-height:330px;display:block;margin:auto}.support-page .page-head{max-width:920px;padding-top:5rem}.support-page .page-head h1{font-family:Georgia,"Microsoft YaHei",serif}.support-page .page-sections{border-top:1px solid var(--line)}.support-page .page-sections article{display:grid;grid-template-columns:minmax(180px,.55fr) 1.45fr;column-gap:4rem;padding:3rem 0;border-bottom:1px solid var(--line)}.support-page .page-sections article h2{font:700 1.45rem/1.35 Georgia,"Microsoft YaHei",serif}.support-page .page-sections article p{font-size:1.02rem;max-width:720px;color:#4f5b57}.support-page .page-sections figure{grid-column:2;margin:1.2rem 0 0}.support-page .page-sections figure img{display:block;max-height:460px;width:100%;object-fit:contain;background:#fff;border:1px solid #e3e2dc;padding:1rem}.support-page .download-strip{margin-top:3rem;background:#f1eee5}.support-footer{background:#202d2a;color:#d4ddda}.support-footer a{color:#fff}.support-footer small{border-color:#45534f}.support-footer .source-note{color:#aebbb7}.confirm-shell{background:#fff;border-radius:18px;box-shadow:0 24px 70px rgba(48,53,50,.12)}
@media(max-width:820px){.support-header nav{display:none}.support-hero .hero-layout,.support-path .intro,.support-note .note-grid,.support-page .page-sections article{grid-template-columns:1fr}.support-links a{grid-template-columns:1fr auto;gap:.5rem}.support-links span{grid-column:1/-1}.support-page .page-sections figure{grid-column:1}.support-hero{padding-top:3.5rem}.support-hero figure{padding:1.2rem}}