/* MESKO sub-pages — shares the design tokens of the home page */
:root{
  --green:#16a34a; --green-d:#15803d; --ink:#0f172a; --gray:#475569;
  --line:#e2e8f0; --bg:#ffffff; --soft:#f8fafc; --accent:#22c55e;
  --wa:#25D366; --lime:#C4F000;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1080px;margin:0 auto;padding:0 22px}
.btn{background:var(--green);color:#fff;padding:12px 22px;border-radius:9px;font-weight:700;font-size:14.5px;display:inline-block;transition:.2s}
.btn:hover{background:var(--green-d)}
.btn-ghost{background:#fff;color:var(--green);border:1.5px solid var(--green)}
.btn-ghost:hover{background:#f0fdf4}
.btn-wa{background:var(--wa)}
.btn-wa:hover{filter:brightness(.95)}
.btn-sm{padding:9px 16px;font-size:14px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .container{display:flex;align-items:center;justify-content:space-between;gap:18px;height:66px}
.site-head img{height:30px;width:auto}
.head-nav{display:flex;gap:20px;font-size:14px;font-weight:600;color:var(--gray)}
.head-nav a:hover{color:var(--green)}
@media(max-width:820px){.head-nav{display:none}}

/* hero */
.phero{background:linear-gradient(135deg,#052e1f 0%,#0f5137 60%,#15803d 100%);color:#fff;padding:56px 0 60px}
.crumb{font-size:13px;color:#9fd0b2;margin-bottom:14px}
.crumb a{color:#cfe9d8;text-decoration:underline}
.phero h1{font-size:36px;line-height:1.16;font-weight:800;max-width:860px}
.phero .lead{font-size:16.5px;color:#cfe9d8;margin:16px 0 24px;max-width:760px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.usp{list-style:none;display:flex;gap:10px 26px;flex-wrap:wrap;margin-top:26px;font-size:14px;color:#cfe9d8}
.usp li::before{content:"\2713";color:var(--lime);font-weight:700;margin-right:8px}
@media(max-width:640px){.phero h1{font-size:27px}.phero{padding:40px 0 44px}}

/* sections */
section{padding:46px 0}
section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:25px;font-weight:800;margin-bottom:14px;letter-spacing:-.3px}
h3{font-size:17.5px;font-weight:700;margin-bottom:6px}
p{margin-bottom:14px}
p,li{font-size:15.5px;color:var(--gray)}
.two{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:start}
@media(max-width:880px){.two{grid-template-columns:1fr}}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
@media(max-width:880px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.card p{font-size:14.5px;margin:0}
.ic{width:42px;height:42px;border-radius:11px;background:rgba(22,163,74,.12);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px}
ul.ticks{list-style:none;margin:10px 0 4px}
ul.ticks li{padding-left:26px;position:relative;margin-bottom:8px}
ul.ticks li::before{content:"\2713";position:absolute;left:0;top:0;color:var(--green);font-weight:700}

/* table */
table.spec{width:100%;border-collapse:collapse;font-size:15px;margin-top:8px;background:#fff}
table.spec th,table.spec td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left}
table.spec th{background:var(--soft);font-weight:700;color:var(--ink);font-size:14px}
table.spec td:first-child{color:var(--gray);width:38%}

/* gallery */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
@media(max-width:880px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid3{grid-template-columns:1fr}}
.grid3 figure{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.grid3 img{width:100%;aspect-ratio:3/2;object-fit:cover}
.grid3 figcaption{padding:10px 13px;font-size:13px;font-weight:600;color:var(--gray)}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px;margin-bottom:10px}
details[open]{border-color:var(--green)}
summary{font-weight:700;cursor:pointer;font-size:15.5px;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--green);font-weight:700}
details[open] summary::after{content:"\2212"}
details p{margin:10px 0 0;font-size:14.5px}

/* related links */
.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-weight:600;font-size:14.5px;margin-bottom:10px;transition:.2s}
.related a:hover{border-color:var(--green);color:var(--green-d);transform:translateX(3px)}
.related a span{display:block;font-weight:400;font-size:13.5px;color:var(--gray);margin-top:2px}

/* CTA band */
.band{background:linear-gradient(135deg,#052e1f,#15803d);color:#fff;text-align:center;padding:44px 0}
.band h2{color:#fff}
.band p{color:#cfe9d8;max-width:640px;margin:0 auto 22px}
.band .cta-row{justify-content:center}

/* footer */
footer{background:#0b1220;color:#94a3b8;padding:38px 0 30px;font-size:14px}
footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
@media(max-width:760px){footer .fgrid{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:15px;margin-bottom:10px}
footer a{color:#cbd5e1}
footer a:hover{color:#fff;text-decoration:underline}
footer .fnav a{display:block;margin-bottom:6px}
.copyrow{margin-top:22px;padding-top:16px;border-top:1px solid #1e293b;font-size:13px;color:#64748b}

/* Guides 区块：双列卡片，移动端单列 */
.glist{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.glist a{margin-bottom:0}
@media(max-width:760px){.glist{grid-template-columns:1fr}}

/* 计算器 CTA 横条 */
.calc-cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:#f1f8f3;border:1px solid #d6ecdc;border-left:4px solid #22c55e;border-radius:12px;padding:14px 18px;margin:18px 0 0;color:inherit;transition:.2s}
.calc-cta:hover{border-color:#22c55e;transform:translateY(-1px)}
.calc-cta b{font-size:15px;color:#14532d}
.calc-cta span{font-size:13.5px;color:#4b5563;flex:1;min-width:220px}