@charset "UTF-8";
:root{--green:#24452b;--mint:#d8e9d6;--paper:#f7faf6;--ink:#1d251f;--muted:#677168;--line:#d7ddd5;--shell:min(1160px,calc(100% - 40px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;background:var(--paper);color:var(--ink)}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}.shell{width:var(--shell);margin:auto}
.header{background:#fff;border-bottom:1px solid var(--line)}.nav{height:68px;display:grid;grid-template-columns:190px 1fr auto;align-items:center;gap:24px}.brand img{max-height:36px;width:auto}.nav nav{display:flex;justify-content:center;gap:24px;font-size:12px;color:#677168}.nav-cta{background:var(--green);color:#fff;padding:11px 16px;font-size:12px;font-weight:900}
.hero{padding:70px 0;background:linear-gradient(145deg,#edf5ec,#ddebdc)}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;min-height:520px}.hero-box,.hero-cards article,.three-checks>div,.timeline article,.preview-grid figure,.entry-grid article{background:#fff;border:1px solid var(--line)}.hero-box{padding:34px}.hero-box>span,.intro>span,.steps-side>span,.section-title span,.faq-title span,.top-left span{display:block;font-size:9px;letter-spacing:.16em;color:#4f7b57;font-weight:900;margin-bottom:13px}.hero-box h1{font-size:clamp(56px,6.8vw,88px);line-height:.92;letter-spacing:-.06em;margin:18px 0 20px}.hero-box p{font-size:16px;line-height:1.85;color:#3a443b}.primary,.entry-grid a,.top-right a{display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:900}.primary{background:var(--green);color:#fff;padding:14px 18px;margin-top:14px}.hero-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.hero-cards article{min-height:260px;padding:22px}.hero-cards b{font-size:10px;color:#5a8660}.hero-cards h3{font-size:22px;margin:56px 0 10px}.hero-cards p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}
.before{padding:90px 0;background:#fff}.before-grid{display:grid;grid-template-columns:320px 1fr;gap:80px}.intro p{font-size:13px;line-height:1.8;color:var(--muted)}.intro h2,.steps-side h2,.section-title h2,.faq-title h2,.top-left h2{font-size:clamp(34px,4vw,52px);line-height:1.08;letter-spacing:-.045em;margin:0}.three-checks{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.three-checks>div{min-height:220px;padding:24px}.three-checks b{font-size:24px;color:#4f7b57}.three-checks p{margin:34px 0 0;font-size:12px;line-height:1.8;color:var(--muted)}
.steps{padding:92px 0;background:#edf4ec}.steps-layout{display:grid;grid-template-columns:320px 1fr;gap:80px}.steps-side p{font-size:13px;line-height:1.8;color:var(--muted)}.timeline{display:grid;gap:12px}.timeline article{padding:20px 24px;display:grid;grid-template-columns:120px 1fr 1fr;gap:20px;align-items:start}.timeline b{font-size:10px;color:#507a58}.timeline h3{font-size:18px;margin:0}.timeline p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}
.preview{padding:92px 0;background:#fff}.section-title{max-width:850px;margin-bottom:32px}.section-title p{font-size:13px;line-height:1.8;color:var(--muted)}.preview-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.preview-grid figure{margin:0;min-height:360px;padding:18px;display:flex;flex-direction:column}.preview-grid .wide{grid-column:1/-1;min-height:390px}.preview-grid img{height:260px;object-fit:contain}.preview-grid .wide img{height:300px}.preview-grid figcaption{margin-top:12px;font-size:11px;color:#748074}
.entry{padding:88px 0;background:#f3f8f2}.entry-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.entry-grid article{padding:24px;min-height:220px;display:flex;flex-direction:column}.entry-grid h3{font-size:24px;margin:0 0 10px}.entry-grid p{font-size:12px;line-height:1.8;color:var(--muted);margin:0 0 18px}.entry-grid a{margin-top:auto;background:var(--green);color:#fff;padding:12px}
.faq-section{padding:92px 0;background:#fff}.faq-grid{display:grid;grid-template-columns:320px 1fr;gap:85px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:22px 46px 22px 0;font-weight:900;position:relative}summary::after{content:"+";position:absolute;right:4px;top:16px;color:#4f7b57;font-size:24px}details[open] summary::after{content:"−"}details p{margin:0 0 22px;font-size:13px;line-height:1.8;color:var(--muted)}
.footer{background:#112617;color:#fff}.footer-top{min-height:180px;display:grid;grid-template-columns:1fr auto;gap:55px;align-items:center;border-bottom:1px solid #2b4130}.top-right{display:flex;gap:12px;flex-wrap:wrap}.top-right a:first-child{background:#fff;color:#1a321f;padding:14px 18px}.top-right a:last-child{background:transparent;color:#fff;border:1px solid #48624e;padding:14px 18px}.footer-bottom{min-height:150px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;padding-bottom:84px}.foot-brand img{max-height:36px;width:auto;margin-bottom:12px}.foot-brand p{font-size:11px;color:#a8b7ab}.footer-bottom ul{margin:0;padding-left:18px;font-size:11px;color:#c8d4ca;line-height:2}
.mobile-bar{display:none}
@media(max-width:980px){.hero-grid,.before-grid,.steps-layout,.faq-grid{grid-template-columns:1fr}.hero-cards,.three-checks,.entry-grid{grid-template-columns:1fr}.timeline article{grid-template-columns:1fr}.preview-grid{grid-template-columns:1fr 1fr}.footer-bottom{grid-template-columns:1fr}}
@media(max-width:760px){:root{--shell:min(100% - 28px,1160px)}body{padding-bottom:64px}.nav nav,.nav-cta{display:none}.nav{grid-template-columns:1fr;height:62px}.hero{padding:46px 0}.hero-box h1{font-size:50px}.before,.steps,.preview,.entry,.faq-section{padding:66px 0}.preview-grid{display:flex;overflow:auto}.preview-grid figure{min-width:82%}.preview-grid .wide{min-width:90%}.preview-grid img,.preview-grid .wide img{height:280px}.footer-top{grid-template-columns:1fr;min-height:auto;padding:34px 0}.footer-bottom{min-height:auto;padding:34px 0 84px}.mobile-bar{position:fixed;left:0;right:0;bottom:0;height:62px;background:#102416;border-top:1px solid #29422e;display:flex;align-items:center;justify-content:space-between;padding:0 14px;z-index:40}.mobile-bar span{display:flex;flex-direction:column;color:#fff}.mobile-bar b{font-size:12px}.mobile-bar small{font-size:10px;color:#aabdae}.mobile-bar a{background:#fff;color:#1a321f;padding:10px 14px;font-size:12px;font-weight:900}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}