:root{
  --brand:#0b7657;--brand-2:#25a777;--brand-3:#dff4ea;--ink:#173e33;
  --muted:#667a73;--line:#d7e6df;--paper:#fff;--soft:#f2f8f5;
  --warm:#fff7e8;--danger:#b33f39;--blue:#2b64a7;--shadow:0 18px 55px rgba(13,76,58,.11);
  --radius:24px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;color:var(--ink);background:linear-gradient(180deg,#eaf6f0 0,#f7faf8 360px,#f2f6f4 100%);font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
button,input{font:inherit}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}
.site-nav{position:sticky;z-index:50;top:0;border-bottom:1px solid rgba(11,118,87,.12);background:rgba(255,255,255,.91);backdrop-filter:blur(16px)}
.site-nav .wrap{display:flex;min-height:68px;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;color:var(--ink);align-items:center;gap:11px;font-weight:950;text-decoration:none}.brand:hover{text-decoration:none}
.brand-mark{display:grid;width:42px;height:42px;border-radius:15px;color:#fff;background:linear-gradient(145deg,var(--brand),var(--brand-2));box-shadow:0 9px 22px rgba(11,118,87,.22);place-items:center;font-size:14px;letter-spacing:-1px}
.brand small{display:block;color:var(--muted);font-size:10px;font-weight:750;letter-spacing:1.4px}
.nav-links{display:flex;align-items:center;gap:5px}.nav-links a{padding:8px 11px;border-radius:10px;color:#35584e;font-size:13px;font-weight:800}.nav-links a.active,.nav-links a:hover{color:var(--brand);background:var(--brand-3);text-decoration:none}
.hero{position:relative;overflow:hidden;padding:78px 0 66px}.hero:before{position:absolute;right:-80px;top:-150px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(40,174,124,.2),transparent 65%);content:""}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);align-items:center;gap:48px}
.eyebrow{margin:0 0 12px;color:var(--brand);font-size:12px;font-weight:950;letter-spacing:2px}.hero h1{max-width:790px;margin:0;font-size:clamp(38px,6vw,72px);line-height:1.08;letter-spacing:-2.2px}.hero .lead{max-width:760px;margin:24px 0 0;color:#536f66;font-size:18px;line-height:1.85}
.hero-actions{display:flex;margin-top:30px;flex-wrap:wrap;gap:11px}.btn{display:inline-flex;min-height:46px;padding:0 19px;border:1px solid #bdd9ce;border-radius:14px;color:var(--brand);background:#fff;align-items:center;justify-content:center;gap:8px;font-weight:900;box-shadow:0 8px 20px rgba(17,83,63,.07)}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn.primary{color:#fff;border:0;background:linear-gradient(135deg,var(--brand),var(--brand-2))}.btn.ghost{background:transparent;box-shadow:none}
.hero-card{padding:28px;border:1px solid rgba(11,118,87,.14);border-radius:30px;background:rgba(255,255,255,.88);box-shadow:var(--shadow)}.hero-card h2{margin:0;font-size:24px}.hero-card p{margin:8px 0 18px;color:var(--muted)}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{padding:15px;border-radius:17px;background:var(--soft)}.metric b{display:block;font-size:22px}.metric small{color:var(--muted)}
main{padding-bottom:72px}.section{padding:64px 0}.section.alt{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.58)}
.section-heading{display:flex;margin-bottom:26px;align-items:flex-end;justify-content:space-between;gap:20px}.section-heading h2{margin:0;font-size:clamp(28px,4vw,44px);line-height:1.2}.section-heading p{max-width:620px;margin:0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 10px 32px rgba(20,67,53,.055)}.card h3{margin:0 0 9px;font-size:19px}.card p{margin:0;color:var(--muted)}.card .icon{display:grid;width:48px;height:48px;margin-bottom:17px;border-radius:16px;color:var(--brand);background:var(--brand-3);place-items:center;font-size:23px}.card ul{margin:12px 0 0;padding-left:20px;color:var(--muted)}
.flow{display:grid;counter-reset:step;grid-template-columns:repeat(4,1fr);gap:14px}.flow>article{position:relative;padding:23px;border:1px solid var(--line);border-radius:20px;background:#fff}.flow>article:before{counter-increment:step;content:counter(step);display:grid;width:34px;height:34px;margin-bottom:13px;border-radius:12px;color:#fff;background:var(--brand);place-items:center;font-weight:950}.flow h3{margin:0 0 6px}.flow p{margin:0;color:var(--muted)}
.callout{padding:20px 23px;border-left:4px solid var(--brand);border-radius:0 17px 17px 0;background:var(--brand-3)}.callout.warn{border-color:#d39128;background:var(--warm)}.callout.danger{border-color:var(--danger);background:#fff0ee}.callout p{margin:0}.callout b{display:block;margin-bottom:4px}
.tag{display:inline-flex;padding:4px 9px;border-radius:99px;color:var(--brand);background:var(--brand-3);font-size:11px;font-weight:900}.tag.blue{color:var(--blue);background:#eaf2ff}.tag.warm{color:#8a5a09;background:#fff1cd}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}table{width:100%;border-collapse:collapse;min-width:700px}th,td{padding:13px 15px;border-bottom:1px solid #e7efeb;text-align:left;vertical-align:top}th{color:#355b4f;background:#edf7f2;font-size:12px}td{color:#526d64}tr:last-child td{border-bottom:0}
code,pre{font-family:"SFMono-Regular",Consolas,monospace}code{padding:2px 6px;border-radius:6px;color:#075f46;background:#e7f4ee;font-size:.9em}pre{overflow:auto;margin:13px 0 0;padding:17px;border-radius:16px;color:#e8fff5;background:#173f33;font-size:12px;line-height:1.65;white-space:pre}
.doc-layout{display:grid;width:min(1380px,calc(100% - 28px));margin:24px auto 70px;grid-template-columns:265px minmax(0,1fr);gap:22px}.toc{position:sticky;top:90px;max-height:calc(100vh - 112px);overflow:auto;padding:18px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.94);box-shadow:0 10px 35px rgba(16,65,50,.06)}.toc b{display:block;margin-bottom:9px}.toc a{display:block;padding:7px 9px;border-radius:9px;color:#587168;font-size:12px}.toc a:hover{background:var(--brand-3);text-decoration:none}.doc{min-width:0}.doc>header{padding:38px;border-radius:28px;color:#fff;background:linear-gradient(135deg,#075d45,#21a474);box-shadow:var(--shadow)}.doc>header h1{margin:0;font-size:clamp(30px,5vw,54px);line-height:1.15}.doc>header p{max-width:760px;margin:15px 0 0;opacity:.88}.doc-meta{display:flex;margin-top:20px;flex-wrap:wrap;gap:8px}.doc-meta span{padding:6px 11px;border:1px solid rgba(255,255,255,.3);border-radius:99px;font-size:11px;font-weight:800}
.doc section{margin-top:18px;padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 9px 28px rgba(20,67,53,.045)}.doc section h2{margin:0 0 15px;padding-bottom:12px;border-bottom:1px solid #e3ece7;font-size:25px}.doc section h3{margin:22px 0 8px;font-size:18px}.doc section h4{margin:18px 0 6px}.doc section p{color:#536d65}.doc section li{margin:6px 0;color:#506a62}.doc section ol,.doc section ul{padding-left:22px}.doc .quick-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.doc .quick-links a{padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--soft);font-weight:850;text-align:center}
.checklist{padding:0;list-style:none}.checklist li{position:relative;padding:8px 0 8px 30px;border-bottom:1px dashed #dfeae5}.checklist li:before{position:absolute;left:0;top:9px;display:grid;width:20px;height:20px;border-radius:7px;color:#fff;background:var(--brand);content:"✓";place-items:center;font-size:11px;font-weight:950}
.faq details{margin:9px 0;padding:15px 17px;border:1px solid var(--line);border-radius:14px;background:#fff}.faq summary{cursor:pointer;font-weight:900}.faq details p{margin:10px 0 0}
.footer{padding:35px 0;border-top:1px solid var(--line);color:var(--muted);background:#fff}.footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer p{margin:0}.footer-links{display:flex;gap:14px}
.screenshot-placeholder{display:grid;min-height:230px;padding:25px;border:1px dashed #a9ccbd;border-radius:22px;color:var(--brand);background:linear-gradient(145deg,#e7f5ef,#fff);place-items:center;text-align:center}
@media(max-width:900px){.hero-grid,.doc-layout{grid-template-columns:1fr}.toc{position:relative;top:auto;max-height:none}.grid,.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.flow{grid-template-columns:repeat(2,1fr)}.nav-links{overflow:auto;max-width:68vw;white-space:nowrap}}
@media(max-width:620px){body{font-size:14px}.site-nav .wrap{min-height:61px}.brand small{display:none}.nav-links a{padding:7px 8px;font-size:12px}.hero{padding:50px 0 44px}.hero-grid{gap:25px}.hero h1{font-size:39px;letter-spacing:-1.3px}.hero .lead{font-size:16px}.hero-card{padding:21px}.section{padding:44px 0}.section-heading{align-items:flex-start;flex-direction:column}.grid,.grid.two,.grid.four,.flow{grid-template-columns:1fr}.doc-layout{width:min(100% - 20px,1380px);margin-top:12px}.doc>header,.doc section{padding:22px;border-radius:20px}.doc .quick-links{grid-template-columns:1fr}.footer .wrap{align-items:flex-start;flex-direction:column}.table-wrap{margin-right:-8px;margin-left:-8px}.hero-actions .btn{width:100%}}
@media print{.site-nav,.toc,.hero-actions,.footer{display:none}.doc-layout{display:block;width:100%;margin:0}.doc>header{color:#000;background:#fff;box-shadow:none}.doc section{break-inside:avoid;box-shadow:none}body{background:#fff}}

/* Long commands, callback URLs and wide tables stay inside narrow screens. */
.doc{overflow:hidden}.doc section{min-width:0}.doc section p{overflow-wrap:anywhere}.doc section code{overflow-wrap:anywhere;word-break:break-all}.doc section pre,.doc section .table-wrap{max-width:100%}