:root{
    --ink:#24312f;
    --muted:#65706b;
    --deep:#183a32;
    --green:#2f5c4f;
    --green-soft:#dbe9df;
    --cream:#f7f1e7;
    --paper:#fffaf1;
    --line:#d9ddcf;
    --light:#f3f5ec;
    --shadow:0 20px 45px rgba(31,49,42,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px,92vw);margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,241,231,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(35,49,45,.08)}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em;color:var(--deep)}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--deep);color:var(--paper);box-shadow:0 10px 24px rgba(24,58,50,.22)}
.brand-text{font-size:20px}.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.main-nav a{padding:9px 13px;border-radius:999px;color:var(--muted);font-size:15px}.main-nav a:hover,.main-nav a.active{background:var(--deep);color:var(--paper)}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;padding:8px}.nav-toggle span{display:block;height:2px;background:var(--deep);margin:7px 0;border-radius:4px}
.hero{position:relative;overflow:hidden;padding:90px 0 70px;background:linear-gradient(135deg,#16372f 0%,#244c40 46%,#e6dcc7 100%);color:var(--paper)}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(255,255,255,.18),transparent 25%),radial-gradient(circle at 78% 26%,rgba(255,255,255,.14),transparent 24%),linear-gradient(90deg,rgba(0,0,0,.24),transparent 60%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.eyebrow{margin:0 0 12px;color:#dfe7d6;font-weight:700;letter-spacing:.12em;font-size:14px}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,64px);line-height:1.12;margin:0 0 22px;letter-spacing:-.04em}.hero p,.page-hero p{font-size:18px;max-width:720px;color:rgba(255,250,241,.86);margin:0 0 28px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 22px;border:1px solid rgba(255,255,255,.45);font-weight:700;transition:.2s ease}.btn.primary{background:var(--paper);color:var(--deep);border-color:var(--paper)}.btn.secondary{color:var(--paper)}.btn.dark{background:var(--deep);color:var(--paper);border-color:var(--deep)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.hero-card{background:rgba(255,250,241,.12);border:1px solid rgba(255,255,255,.28);border-radius:28px;padding:18px;box-shadow:0 26px 70px rgba(0,0,0,.2)}.hero-card img{border-radius:20px;background:rgba(255,255,255,.1)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.metric{padding:16px;border-radius:18px;background:rgba(255,250,241,.12);border:1px solid rgba(255,255,255,.2)}.metric strong{display:block;font-size:26px;color:#fff}.metric span{font-size:13px;color:#e7eadf}
.section{padding:82px 0}.section.alt{background:var(--paper)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}.section-kicker{margin:0 0 8px;color:var(--green);font-weight:800;letter-spacing:.12em;font-size:13px}.section h2,.section-head h2{font-size:clamp(26px,3vw,42px);line-height:1.22;margin:0;color:var(--deep);letter-spacing:-.03em}.section-head p,.lead{color:var(--muted);max-width:720px;margin:10px 0 0}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:rgba(255,250,241,.86);border:1px solid rgba(35,49,45,.12);border-radius:24px;padding:24px;box-shadow:0 14px 40px rgba(31,49,42,.06)}.card:hover{transform:translateY(-3px);transition:.2s ease;box-shadow:var(--shadow)}.card img{border-radius:18px;margin-bottom:16px;background:var(--green-soft)}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.tag{font-size:12px;font-weight:700;color:var(--green);background:var(--green-soft);border-radius:999px;padding:5px 10px}.time{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 9px}.card h3{font-size:21px;line-height:1.35;margin:0 0 10px;color:var(--deep)}.card p{margin:0;color:var(--muted)}.feature-card{display:grid;grid-template-columns:86px 1fr;gap:18px;align-items:start}.feature-card img{margin:0}.numbered{counter-reset:item}.numbered .card{position:relative;padding-top:54px}.numbered .card:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;top:22px;left:24px;color:var(--green);font-weight:900;letter-spacing:.08em}.wide-card{display:grid;grid-template-columns:1fr 1.2fr;gap:26px;align-items:center}.quote{font-size:24px;line-height:1.55;color:var(--deep);font-weight:700;margin:0}.soft-panel{background:linear-gradient(135deg,rgba(47,92,79,.1),rgba(255,250,241,.8));border:1px solid var(--line);border-radius:30px;padding:34px}.path{position:relative;padding-left:28px}.path:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--green-soft)}.path-item{position:relative;margin-bottom:28px}.path-item:before{content:"";position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px var(--green-soft)}.path-item h3{margin:0 0 6px}.path-item p{margin:0;color:var(--muted)}
.page-hero{padding:78px 0;background:linear-gradient(135deg,#17372f,#315e51);color:var(--paper)}.page-hero .crumb{font-size:14px;color:#d9e4d6;margin-bottom:14px}.page-hero a{color:#fff}.content-block{background:var(--paper);border-radius:30px;border:1px solid var(--line);padding:34px;box-shadow:0 12px 36px rgba(31,49,42,.06)}.content-block h2{margin-top:0}.list-check{padding:0;margin:20px 0 0;list-style:none}.list-check li{position:relative;padding-left:28px;margin:12px 0;color:var(--muted)}.list-check li:before{content:"";position:absolute;left:0;top:.7em;width:10px;height:10px;border-radius:50%;background:var(--green)}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.filter-bar button{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:9px 14px;color:var(--muted);cursor:pointer}.filter-bar button.active,.filter-bar button:hover{background:var(--deep);color:var(--paper)}.video-shell{position:relative;border-radius:22px;overflow:hidden;background:#172b26;min-height:220px;display:grid;place-items:center;color:var(--paper);border:1px solid rgba(255,255,255,.2)}.play{width:62px;height:62px;border-radius:50%;background:rgba(255,250,241,.92);display:grid;place-items:center;color:var(--deep);font-weight:900}.play:before{content:"▶";margin-left:4px}.faq{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:22px 0;font-size:18px;font-weight:800;color:var(--deep);cursor:pointer;display:flex;justify-content:space-between;gap:20px}.faq-answer{display:none;padding:0 0 22px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.faq-question:after{content:"+"}.faq-item.open .faq-question:after{content:"−"}.contact-form{display:grid;gap:14px}.contact-form input,.contact-form textarea,.contact-form select{width:100%;border:1px solid var(--line);border-radius:16px;padding:13px 14px;background:#fffef8;color:var(--ink);font:inherit}.contact-form textarea{min-height:140px;resize:vertical}.notice{font-size:14px;color:var(--muted);background:var(--light);border-radius:18px;padding:14px 16px;border:1px solid var(--line)}
.site-footer{background:#142721;color:#dce5d9;padding:54px 0 36px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:28px}.footer-brand{color:#fff;font-size:20px;margin-bottom:12px}.site-footer h2{font-size:17px;color:#fff;margin:0 0 12px}.site-footer p{color:#c3cec6;margin:8px 0}.site-footer a{display:block;color:#c3cec6;margin:8px 0}.site-footer a:hover{color:#fff}
@media (max-width:920px){.hero-grid,.wide-card{grid-template-columns:1fr}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.hero{padding:70px 0 54px}}
@media (max-width:720px){.header-inner{min-height:66px}.nav-toggle{display:block}.main-nav{position:absolute;left:4vw;right:4vw;top:68px;display:none;flex-direction:column;align-items:stretch;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.metrics,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.feature-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.section{padding:58px 0}.page-hero{padding:58px 0}.hero h1,.page-hero h1{font-size:36px}.hero p,.page-hero p{font-size:16px}}