:root{
    --green:#315b49;
    --deep:#1f342d;
    --moss:#789276;
    --sand:#efe6d3;
    --paper:#f7f2e8;
    --ink:#26342f;
    --muted:#62716b;
    --line:rgba(49,91,73,.18);
    --shadow:0 24px 70px rgba(31,52,45,.13);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,4vw,64px);background:rgba(247,242,232,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand,.footer-brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em;color:var(--deep)}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-link{padding:10px 14px;border-radius:999px;color:#344940;font-size:15px;transition:.2s ease}
.nav-link:hover,.nav-link.is-active{background:var(--green);color:var(--paper)}
.nav-toggle{display:none;border:0;background:var(--green);border-radius:16px;width:46px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{width:20px;height:2px;background:var(--paper);border-radius:2px}
main{overflow:hidden}
.container{width:min(1160px,calc(100% - 36px));margin:0 auto}
.hero{position:relative;min-height:680px;display:grid;align-items:center;padding:84px 0;background:linear-gradient(135deg,#f7f2e8 0%,#eef0df 48%,#d8e0d1 100%)}
.hero .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,560px);gap:52px;align-items:center}
.hero-copy{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.45);color:var(--green);font-weight:700;font-size:14px}
h1{margin:22px 0 20px;font-size:clamp(42px,7vw,76px);line-height:1.05;letter-spacing:-.06em;color:var(--deep)}
.lead{font-size:clamp(18px,2vw,22px);color:#4c5f57;max-width:680px;margin:0 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.2s ease}
.btn-primary{background:var(--green);color:var(--paper)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(49,91,73,.22)}
.btn-ghost{background:rgba(255,255,255,.42);border-color:var(--line);color:var(--deep)}
.hero-card{background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.65);border-radius:36px;padding:16px;box-shadow:var(--shadow)}
.hero-card img{border-radius:28px;min-height:330px;object-fit:cover;background:#d9e2d3}
.hero-note{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.hero-note span{background:rgba(49,91,73,.09);border:1px solid var(--line);border-radius:20px;padding:12px;text-align:center;font-weight:700;color:var(--green);font-size:14px}
.section{padding:84px 0}
.section.alt{background:#efe6d3}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-kicker{margin:0 0 8px;color:var(--moss);font-weight:900;letter-spacing:.16em;font-size:13px}
h2{margin:0;color:var(--deep);font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.035em}
.section-text{margin:10px 0 0;color:var(--muted);max-width:720px;font-size:17px}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:rgba(255,255,255,.58);border:1px solid rgba(49,91,73,.14);border-radius:var(--radius);padding:24px;box-shadow:0 18px 50px rgba(31,52,45,.07)}
.card.dark{background:var(--deep);color:var(--paper)}
.card.dark h3,.card.dark p{color:var(--paper)}
.card img{border-radius:22px;margin-bottom:18px;background:#dce4d0}
.card h3{margin:0 0 10px;font-size:23px;color:var(--deep);line-height:1.25}
.card p{margin:0;color:#5e6c66}
.card .tag-row{margin-bottom:14px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border-radius:999px;background:rgba(49,91,73,.1);color:var(--green);font-weight:800;font-size:13px}
.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px;color:#6d7a74;font-size:14px}
.meta span{padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.42)}
.path{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.path:before{content:"";position:absolute;left:8%;right:8%;top:44px;height:3px;background:linear-gradient(90deg,transparent,var(--moss),transparent);opacity:.45}
.step{position:relative;background:rgba(255,255,255,.68);border:1px solid var(--line);border-radius:24px;padding:76px 20px 22px;min-height:230px}
.step-number{position:absolute;top:22px;left:20px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:var(--paper);font-weight:900}
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,520px);gap:40px;align-items:center}
.feature-panel{background:var(--deep);color:var(--paper);border-radius:36px;padding:36px;box-shadow:var(--shadow)}
.feature-panel h2,.feature-panel p{color:var(--paper)}
.list{display:grid;gap:14px;margin-top:24px}
.list-item{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:20px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.13)}
.list-item b{color:#f6ead7}
.icon-dot{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:var(--sand);position:relative}
.icon-dot:after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--green)}
.video-card{overflow:hidden;padding:0}
.video-card img{width:100%;border-radius:var(--radius) var(--radius) 0 0;margin:0}
.video-body{padding:22px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.filter-btn{border:1px solid var(--line);background:rgba(255,255,255,.64);border-radius:999px;padding:10px 16px;font-weight:800;color:var(--green);cursor:pointer}
.filter-btn.is-active{background:var(--green);color:var(--paper)}
.faq{display:grid;gap:14px}
details{background:rgba(255,255,255,.66);border:1px solid var(--line);border-radius:22px;padding:18px 20px}
summary{font-weight:900;color:var(--deep);cursor:pointer}
details p{margin:12px 0 0;color:var(--muted)}
.page-hero{padding:84px 0 64px;background:linear-gradient(135deg,#f7f2e8,#e7ead8)}
.page-hero .container{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.8fr);gap:40px;align-items:center}
.page-hero h1{font-size:clamp(40px,6vw,64px)}
.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--moss);font-size:14px;margin-bottom:16px}
.breadcrumb a{font-weight:800;color:var(--green)}
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:-36px;position:relative;z-index:3}
.info-box{background:var(--deep);color:var(--paper);border-radius:26px;padding:24px;box-shadow:var(--shadow)}
.info-box b{display:block;font-size:30px;margin-bottom:4px;color:#f7ead3}
.two-col{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:36px;align-items:start}
.sticky-note{position:sticky;top:96px;background:var(--green);color:var(--paper);border-radius:30px;padding:30px}
.sticky-note h2,.sticky-note p{color:var(--paper)}
.timeline{display:grid;gap:18px}
.timeline-item{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;background:rgba(255,255,255,.64);border:1px solid var(--line);border-radius:24px;padding:22px}
.timeline-item time{font-weight:900;color:var(--green)}
.form-card{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-field{display:grid;gap:8px;margin-bottom:16px}
.form-field.full{grid-column:1/-1}
label{font-weight:800;color:var(--deep)}
input,select,textarea{width:100%;border:1px solid rgba(49,91,73,.25);background:#fffdf8;border-radius:16px;padding:13px 14px;font:inherit;color:var(--ink);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(49,91,73,.08)}
textarea{min-height:150px;resize:vertical}
.form-message{margin-top:14px;color:var(--green);font-weight:800;min-height:26px}
.site-footer{background:var(--deep);color:rgba(247,242,232,.82);padding:54px clamp(18px,4vw,64px)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:34px;max-width:1160px;margin:0 auto}
.footer-brand{color:var(--paper);margin-bottom:14px}
.site-footer h2{font-size:18px;color:var(--paper);margin-bottom:12px;letter-spacing:0}
.site-footer a{display:block;color:rgba(247,242,232,.82);margin:8px 0}
.site-footer p{margin:8px 0;color:rgba(247,242,232,.72)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (max-width:980px){
    .hero .container,.feature,.page-hero .container,.two-col{grid-template-columns:1fr}
    .grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .path{grid-template-columns:repeat(2,1fr)}
    .path:before{display:none}
    .info-strip{grid-template-columns:1fr;margin-top:0;padding-top:24px}
    .sticky-note{position:relative;top:0}
}
@media (max-width:760px){
    .site-header{align-items:center}
    .nav-toggle{display:flex}
    .main-nav{position:absolute;left:18px;right:18px;top:76px;display:none;flex-direction:column;align-items:stretch;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}
    .main-nav.is-open{display:flex}
    .nav-link{text-align:center}
    .hero{min-height:auto;padding:56px 0}
    .hero-note,.grid-2,.grid-3,.grid-4,.path,.footer-grid,.form-grid{grid-template-columns:1fr}
    .section{padding:58px 0}
    .section-head{display:block}
    .timeline-item{grid-template-columns:1fr}
    .form-field.full{grid-column:auto}
}

.mt-24{margin-top:24px}