:root{
    --ink:#24302d;
    --muted:#69756f;
    --deep:#10241f;
    --green:#234f43;
    --green-2:#3f6f61;
    --cream:#f6f0e3;
    --paper:#fffaf0;
    --line:#e2dccd;
    --shadow:0 22px 70px rgba(22,37,31,.13);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px,92vw);margin:0 auto}.narrow{width:min(840px,92vw)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,240,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,220,205,.72)}
.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.03em}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--green);color:var(--cream);box-shadow:0 8px 22px rgba(35,79,67,.24)}.brand-text{font-size:1.2rem}.main-nav{display:flex;align-items:center;gap:2px}.main-nav a{padding:9px 14px;border-radius:999px;color:#3f4a46;font-size:.96rem}.main-nav a:hover,.main-nav a.active{background:#e8eadf;color:var(--green)}.nav-toggle{display:none;border:0;background:var(--green);color:#fff;border-radius:12px;padding:8px 11px;font-size:1.2rem}
.hero{padding:86px 0 72px;background:radial-gradient(circle at 70% 20%,#d9eadb 0,#f6f0e3 38%,#fffaf0 72%)}.hero-grid,.feature-split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.hero-copy h1,.page-hero h1{font-size:clamp(2.4rem,5vw,5.3rem);line-height:1.08;margin:10px 0 22px;letter-spacing:-.06em}.lead{font-size:1.12rem;color:#4f5d57;margin:0 0 28px}.eyebrow{margin:0 0 10px;color:var(--green-2);font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-size:.82rem}.hero-actions,.pill-row{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 22px;font-weight:800;border:1px solid transparent;cursor:pointer}.btn.primary{background:var(--green);color:var(--cream);box-shadow:0 12px 28px rgba(35,79,67,.24)}.btn.ghost{border-color:#bec8be;color:var(--green);background:rgba(255,255,255,.46)}.hero-visual img{filter:drop-shadow(0 32px 42px rgba(20,45,38,.18))}.section{padding:78px 0}.section-soft{background:var(--cream)}.section-dark{background:var(--deep);color:var(--cream)}.section-dark .lead,.section-dark p,.section-dark .muted{color:#d9e0d6}.section-head{text-align:center;width:min(760px,100%);margin:0 auto 38px}.section-head.left{text-align:left;margin-left:0}.section-head h2,.feature-split h2,.learning-band h2,.plan-panel h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.18;margin:0 0 16px;letter-spacing:-.04em}.category-grid,.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.category-card,.value-grid article,.path-card,.quote-card,.topic-list article,.play-card,.contact-form,.contact-aside,.video-card{background:rgba(255,250,240,.82);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.category-card{padding:26px}.category-card img{width:82px;height:82px;margin-bottom:16px}.category-card h3,.value-grid h3,.video-card h3,.path-card h2,.play-card h2{margin:0 0 8px}.category-card p,.value-grid p,.video-card p,.path-card p,.play-card p,.contact-aside p,.site-footer p{color:var(--muted);margin:0}.rounded-media{border-radius:var(--radius);border:1px solid rgba(226,220,205,.75);box-shadow:var(--shadow);background:#f9f1df}.reverse{grid-template-columns:.95fr 1.05fr}.check-list{padding:0;margin:24px 0 0;list-style:none}.check-list li{margin:10px 0;padding-left:28px;position:relative}.check-list li:before{content:"";position:absolute;left:0;top:.65em;width:12px;height:12px;border-radius:50%;background:var(--green-2)}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.mini-stats span{padding:16px;border-radius:18px;background:rgba(255,250,240,.09);border:1px solid rgba(255,255,255,.13)}.mini-stats strong{display:block;color:#fff}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.video-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.card-body{padding:20px}.tag{display:inline-flex;color:var(--green);background:#e6eadc;border-radius:999px;padding:5px 11px;font-size:.82rem;font-weight:800;margin-bottom:10px}.learning-band{display:grid;grid-template-columns:1fr 420px;gap:32px;align-items:center}.learning-band img{border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}.faq-wrap details,.contact-aside details{border:1px solid var(--line);border-radius:18px;background:rgba(255,250,240,.8);padding:18px 20px;margin:12px 0}.faq-wrap summary,.contact-aside summary{font-weight:800;cursor:pointer}.faq-wrap p{color:var(--muted)}.page-hero{padding:86px 0 66px;background:linear-gradient(135deg,#f6f0e3,#fffaf0 48%,#dbe8dd)}.hero-library{background:linear-gradient(135deg,#f4efe2,#e6eddf)}.hero-learning{background:linear-gradient(135deg,#fffaf0,#dfeadd)}.hero-contact{background:linear-gradient(135deg,#f6f0e3,#e1e7d8)}.pill-row span{background:#e7eadf;border:1px solid var(--line);border-radius:999px;padding:8px 13px;font-weight:700;color:var(--green)}.value-grid{grid-template-columns:repeat(4,1fr)}.value-grid article{padding:24px}.audience-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}.quote-card{padding:28px;background:#f1eadb}.filter-bar{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}.filter-chip{border:1px solid var(--line);background:#fffaf0;border-radius:999px;padding:9px 16px;cursor:pointer;color:var(--green);font-weight:800}.filter-chip.active{background:var(--green);color:var(--cream)}.filter-grid .video-card h2{font-size:1.12rem}.map-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center}.topic-list{display:grid;gap:14px}.topic-list article{display:flex;gap:18px;align-items:flex-start;padding:20px}.topic-list span{display:grid;place-items:center;flex:0 0 46px;height:46px;border-radius:50%;background:var(--green);color:var(--cream);font-weight:900}.topic-list h2{margin:0 0 4px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.timeline article{position:relative;padding:24px;border-radius:24px;background:#fffaf0;border:1px solid var(--line);box-shadow:var(--shadow)}.timeline time{font-weight:900;color:var(--green)}.learning-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:22px}.path-card{padding:24px}.path-card.large{grid-row:span 2}.path-card.large img{border-radius:18px;margin-bottom:18px}.plan-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.step-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:0;padding:0;list-style:none}.step-list li{background:#fffaf0;border:1px solid var(--line);border-radius:20px;padding:20px}.step-list strong{display:block;color:var(--green);font-size:1.05rem}.step-list span{color:var(--muted)}.video-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.play-card{display:grid;grid-template-columns:210px 1fr;gap:18px;padding:16px;align-items:center}.play-card img{border-radius:18px;aspect-ratio:16/10;object-fit:cover}.contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:28px}.contact-form,.contact-aside{padding:28px}.contact-form label{display:grid;gap:8px;margin-bottom:16px;font-weight:800}.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:16px;background:#fffaf0;padding:13px 14px;font:inherit;color:var(--ink)}.form-note{margin:14px 0 0;color:var(--green);font-weight:800}.domain-box{padding:18px;border-radius:18px;background:#e6eadc;border:1px solid var(--line);font-weight:900;word-break:break-all;color:var(--green)}.site-footer{padding:48px 0;background:#0c1e1a;color:#f6f0e3}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:26px}.site-footer h2{margin:0 0 10px;font-size:1.05rem}.site-footer p{color:#cbd3c9}.hide{display:none!important}
@media (max-width:980px){.hero-grid,.feature-split,.reverse,.map-layout,.contact-grid,.plan-panel,.audience-grid{grid-template-columns:1fr}.category-grid,.value-grid,.video-grid,.timeline,.learning-grid{grid-template-columns:repeat(2,1fr)}.learning-band{grid-template-columns:1fr}.main-nav{position:absolute;left:4vw;right:4vw;top:74px;display:none;flex-direction:column;background:#fffaf0;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{width:100%;text-align:center}.nav-toggle{display:block}.mini-stats{grid-template-columns:1fr}.play-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}
@media (max-width:640px){.header-inner{height:66px}.hero,.page-hero{padding:58px 0 44px}.section{padding:54px 0}.category-grid,.value-grid,.video-grid,.timeline,.learning-grid,.video-feature-grid,.step-list{grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-copy h1,.page-hero h1{font-size:2.35rem}.contact-form,.contact-aside{padding:20px}.category-card{padding:22px}}