:root{--ink:#19352f;--ink-soft:#466058;--paper:#f6f3eb;--paper-deep:#e9e4d9;--card:#fffdf8;--line:#d5d8cb;--accent:#ef6a4b;--accent-dark:#b9452e;--mint:#dfeee5;--max:1120px;color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);margin:0;line-height:1.6}a{color:inherit}a:hover{color:var(--accent-dark)}header a,footer a{text-decoration:none}.site-header{border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--paper) 92%, transparent);z-index:5;backdrop-filter:blur(10px);position:sticky;top:0}.nav{max-width:var(--max);align-items:center;gap:24px;min-height:72px;margin:auto;padding:0 24px;display:flex}.brand{letter-spacing:-.02em;white-space:nowrap;align-items:center;font-size:1.25rem;font-weight:800;display:inline-flex}.mobile-menu{display:none}.serif{font-family:Georgia,Times New Roman,serif;font-style:italic;font-weight:400}.price-inline{font-size:1.13rem}.text-link{text-underline-offset:5px;font-weight:750}.practical{border-top:1px solid var(--line)}.skip-link{z-index:10;background:var(--ink);color:#fff;padding:10px 16px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:10px}:focus-visible{outline:3px solid var(--accent-dark);outline-offset:4px}.nav-links{color:var(--ink-soft);align-items:center;gap:18px;margin-left:auto;font-size:.92rem;display:flex}.lang-link{border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:4px 10px}.menu-toggle{display:none}.container{max-width:var(--max);margin:0 auto;padding:0 24px}.hero{padding:96px 0 80px}.hero-grid{grid-template-columns:1.25fr .75fr;align-items:end;gap:64px;display:grid}.eyebrow{color:var(--accent-dark);text-transform:uppercase;letter-spacing:.12em;margin:0 0 14px;font-size:.74rem;font-weight:800}h1,h2,h3{letter-spacing:-.04em;margin:0 0 18px;line-height:1.12}h1{max-width:800px;font-size:clamp(2.7rem,7vw,5.6rem)}h2{font-size:clamp(2rem,4vw,3.1rem)}h3{font-size:1.35rem}p{margin:0 0 18px}.lede{color:var(--ink-soft);max-width:660px;font-size:clamp(1.1rem,2vw,1.35rem)}.hero-note{border-left:3px solid var(--accent);color:var(--ink-soft);padding:4px 0 4px 20px}.actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.button{border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;padding:11px 18px;font-weight:750;text-decoration:none;display:inline-flex}.button:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}.button.secondary{color:var(--ink);border-color:var(--line);background:0 0}.button.secondary:hover{background:var(--paper-deep);border-color:var(--ink)}.section{padding:82px 0}.section.tinted{background:var(--mint)}.section.deep{background:var(--ink);color:var(--paper)}.section-head{justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px;display:flex}.section-head p{max-width:560px;color:var(--ink-soft)}.deep .section-head p{color:#bdd0c7}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.card{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:26px}.deep .card{background:#23443b;border-color:#49665d}.card p:last-child{margin-bottom:0}.number{color:var(--accent-dark);margin-bottom:22px;font-size:.82rem;font-weight:800}.price-card{border:2px solid var(--ink);background:var(--card);border-radius:22px;padding:30px}.price{letter-spacing:-.04em;margin:12px 0 2px;font-size:2rem;font-weight:850}.muted{color:var(--ink-soft);font-size:.94rem}.list{margin:20px 0 0;padding:0;list-style:none}.list li{border-top:1px solid var(--line);padding:10px 0 10px 25px;position:relative}.list li:before{content:"↗";color:var(--accent-dark);font-weight:800;position:absolute;left:0}.prose{max-width:760px}.prose h2{margin-top:48px;font-size:2rem}.prose h3{margin-top:32px}.prose ul{padding-left:22px}.prose li{margin:8px 0}.table-wrap{border:1px solid var(--line);border-radius:16px;overflow-x:auto}table{border-collapse:collapse;background:var(--card);width:100%;min-width:620px}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:16px}th{background:var(--paper-deep);font-size:.85rem}tr:last-child td{border-bottom:0}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:19px 0}summary{cursor:pointer;padding-right:30px;font-weight:750;list-style:none;position:relative}summary:after{content:"+";font-size:1.3rem;font-weight:400;position:absolute;right:0}details[open] summary:after{content:"−"}details p{color:var(--ink-soft);max-width:720px;margin:14px 0 0}.banner{background:var(--accent);color:#fff9f2;padding:16px 0}.banner p{margin:0;font-weight:700}.site-footer{border-top:1px solid var(--line);padding:44px 0 28px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px;display:grid}.footer-links{color:var(--ink-soft);flex-wrap:wrap;place-content:start end;gap:15px 22px;font-size:.92rem;display:flex}.fine{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:30px;padding-top:18px;font-size:.82rem}.form-shell{max-width:720px}form{gap:17px;display:grid}label{gap:7px;font-size:.9rem;font-weight:700;display:grid}input,textarea,select{width:100%;color:var(--ink);font:inherit;background:#fffdf9;border:1px solid #b8c3ba;border-radius:10px;padding:12px 13px}textarea{resize:vertical;min-height:150px}input:focus,textarea:focus,select:focus{outline:3px solid color-mix(in srgb, var(--accent) 35%, transparent);border-color:var(--accent-dark)}.form-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;display:grid}.honeypot{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.status{background:var(--mint);border-radius:10px;padding:13px 15px;display:none}.status.visible{display:block}.native-status{scroll-margin-top:90px;display:none}.native-status:target{border:1px solid var(--line);background:var(--card);border-radius:10px;margin-bottom:24px;padding:16px;display:block}.post-meta{color:var(--ink-soft);margin-bottom:28px;font-size:.9rem}.post-card a{text-decoration:none}.zh-copy{letter-spacing:.01em}@media (width<=760px){.nav{min-height:64px;padding:0 17px}.nav-links{gap:11px;font-size:.84rem}.nav-links a:not(.lang-link),.menu-toggle{display:none}.mobile-menu{border:0;padding:0;display:block}.mobile-menu summary{padding:7px 0;font-size:.84rem}.mobile-menu summary:after{content:none}.mobile-links{background:var(--card);border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;gap:4px;padding:16px;display:grid;position:absolute;top:64px;left:0;right:0;box-shadow:0 12px 16px #19352f10}.mobile-links a{padding:9px;font-size:.92rem}.container{padding:0 17px}.hero{padding:66px 0 58px}.hero-grid,.grid-2,.grid-3,.footer-grid,.form-row{grid-template-columns:1fr}.hero-grid{gap:30px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.footer-links{justify-content:start}h1{font-size:clamp(2.65rem,14vw,4.2rem)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}