:root{--c-brand:#1f8a70;--c-brand-d:#15674f;--c-ink:#1c2b27;--c-muted:#5b6b66;--c-gold:#b8860b;--c-line:#e3efe9;--c-red:#e0532b}
.cnav{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:40}
.cnav .cnav-in{max-width:900px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cnav .cnav-logo{font-weight:800;color:var(--c-brand);font-size:18px}
.cnav .cnav-logo sup{font-size:10px;font-weight:700;vertical-align:super}
.cnav nav{margin-left:auto;font-size:13.5px;display:flex;gap:13px;flex-wrap:wrap}
.cnav nav a{color:var(--c-muted)}
.cnav nav a.on{color:var(--c-brand-d);font-weight:700}
.cintro{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:16px 18px;margin:14px 0}
.cintro p{margin:8px 0}
.ctable{width:100%;border-collapse:collapse;margin:10px 0;font-size:14.5px;background:#fff}
.ctable caption{text-align:left;font-weight:700;color:var(--c-brand-d);padding:6px 0;font-size:15px}
.ctable th,.ctable td{border:1px solid var(--c-line);padding:9px 10px;text-align:left;vertical-align:top}
.ctable th{background:#f0f9f5;color:var(--c-brand-d);font-weight:700;white-space:nowrap}
.ctable tr:nth-child(even) td{background:#fbfefd}
.ctable td.num{white-space:nowrap;color:#e0532b;font-weight:700}
.cnote{background:#fffdf5;border:1px solid #f0e0b0;border-radius:10px;padding:12px 14px;margin:12px 0;font-size:14px;color:#6b5a2a}
.cnote b{color:#8a6a10}
.cwarn{background:#fff6f4;border:1px solid #f2c9bd;border-radius:10px;padding:12px 14px;margin:12px 0;font-size:14px;color:#7a3a26}
.cok{background:#f3fbf7;border:1px solid #bfe4d5;border-radius:10px;padding:12px 14px;margin:12px 0;font-size:14px;color:#1d5c48}
.cgold{display:inline-block;background:#fff7e6;color:var(--c-gold);border:1px solid #f0d99a;border-radius:8px;padding:5px 11px;font-size:13px;font-weight:700;margin:4px 6px 4px 0}
.cgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.ccard{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:16px 18px;margin:12px 0;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.ccard h3{margin:0 0 8px;color:var(--c-brand-d);font-size:17px}
.ccard p{margin:6px 0}
.cprice-b{color:var(--c-red);font-size:20px;font-weight:800}
.cstep{counter-reset:cs;list-style:none;padding-left:0}
.cstep>li{counter-increment:cs;position:relative;padding:10px 0 10px 42px;border-bottom:1px dashed var(--c-line)}
.cstep>li:last-child{border-bottom:none}
.cstep>li::before{content:counter(cs);position:absolute;left:0;top:9px;width:26px;height:26px;border-radius:50%;background:var(--c-brand);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.cimg{display:block;width:100%;height:auto;border:1px solid var(--c-line);border-radius:10px;margin:10px 0;background:#fff}
.cimg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:10px 0}
.cimg-grid figure{margin:0}
.cimg-grid img{width:100%;height:auto;border:1px solid var(--c-line);border-radius:10px;background:#fff;display:block}
.cimg-grid figcaption{font-size:13px;color:var(--c-muted);text-align:center;padding:6px 2px 0}
.cqr{display:flex;gap:16px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:16px;margin:12px 0}
.cqr img{width:180px;height:auto;display:block;border-radius:8px}
.cqr .cqtx{flex:1;min-width:200px}
.cqr .cqtx b{color:var(--c-brand-d)}
.cfaq{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:6px 18px;margin:12px 0}
.cfaq details{border-bottom:1px dashed var(--c-line);padding:12px 0}
.cfaq details:last-child{border-bottom:none}
.cfaq summary{font-weight:700;cursor:pointer;color:var(--c-ink);list-style:none}
.cfaq summary::-webkit-details-marker{display:none}
.cfaq summary::before{content:"Q ";color:var(--c-brand);font-weight:800}
.cfaq .ca{margin:8px 0 0;color:#33504a;font-size:14.5px;line-height:1.75}
.cfaq .ca::before{content:"A ";color:var(--c-brand-d);font-weight:800}
.ccrumb{font-size:13px;color:var(--c-muted);margin:10px 0}
.cpill{display:inline-block;background:#eafaf3;color:var(--c-brand-d);border-radius:999px;padding:4px 12px;font-size:13px;margin:3px 6px 3px 0}
.clink-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:10px 0}
.clink-grid a{display:block;background:#fff;border:1px solid var(--c-line);border-radius:10px;padding:11px 13px;font-size:14.5px;color:var(--c-brand-d);font-weight:600}
.clink-grid a span{display:block;font-size:12.5px;color:var(--c-muted);font-weight:400;margin-top:3px}
.cbar-note{text-align:center;color:var(--c-muted);font-size:13.5px;padding:4px 0 10px}
@media (max-width:520px){
 .ctable{font-size:13px}
 .ctable th,.ctable td{padding:7px 6px}
 .cqr img{width:150px}
}


/* ===== 全站统一导航：服务项目下拉 ===== */
.navdrop{position:relative;display:inline-block}
.navdrop>summary{list-style:none;cursor:pointer;color:var(--c-muted);display:inline-flex;align-items:center;gap:3px;white-space:nowrap}
.navdrop>summary::-webkit-details-marker{display:none}
.navdrop>summary::marker{content:""}
.navdrop>summary::after{content:"\25BE";font-size:9px;line-height:1;opacity:.75;transform:translateY(1px)}
.navdrop>summary.on{color:var(--c-brand-d);font-weight:700}
.navdrop-in{display:none;position:absolute;left:0;top:calc(100% + 7px);background:#fff;border:1px solid var(--c-line);border-radius:10px;box-shadow:0 8px 22px rgba(28,43,39,.12);padding:7px;min-width:178px;z-index:60}
.navdrop[open] .navdrop-in{display:block}
.navdrop-in a{display:block;padding:7px 12px;border-radius:7px;color:var(--c-ink);font-size:13.5px;white-space:nowrap}
.navdrop-in a:hover{background:#eafaf3;color:var(--c-brand-d)}
.navdrop-in a.on{color:var(--c-brand-d);font-weight:700;background:#f3fbf7}
@media (hover:hover) and (min-width:641px){.navdrop:hover .navdrop-in{display:block}}

/* 窄屏：让导航容器可收缩，避免横向溢出 */
.cnav .cnav-in{min-width:0}
.cnav nav{min-width:0}
@media (max-width:640px){
 .cnav .cnav-in{width:100%;box-sizing:border-box}
 .cnav nav{margin-left:0;gap:11px;font-size:13px}
 .navdrop-in{position:static;box-shadow:none;border:none;padding:2px 0 0 12px;min-width:0;background:transparent}
 .navdrop-in a{padding:6px 0;font-size:13px}
}

/* ===== 页脚站内链接行 ===== */
.footnav{margin:7px 0 0;font-size:13px;line-height:2}
.footnav a{color:inherit;text-decoration:underline}
.footnav a:hover{color:var(--c-brand-d)}