:root{
    --ink:#1d2521;
    --ink-soft:#4d5b54;
    --deep:#14352b;
    --deep-2:#1f4c3e;
    --leaf:#6d8b65;
    --paper:#f5f0e6;
    --paper-2:#fffaf0;
    --mist:#e8e1d3;
    --line:#d7d0c1;
    --shadow:0 20px 60px rgba(22,36,31,.12);
    --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(245,240,230,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(34,54,46,.08)}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--deep),var(--leaf));color:var(--paper-2);font-size:14px;box-shadow:0 12px 30px rgba(20,53,43,.22)}
.brand-text{font-size:20px}
.main-nav{display:flex;gap:8px;align-items:center}
.main-nav a{padding:10px 14px;border-radius:999px;color:var(--ink-soft);font-weight:600;font-size:15px}
.main-nav a:hover,.main-nav a:focus{background:#ebe3d5;color:var(--deep)}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--paper-2);border-radius:999px;padding:8px 14px;color:var(--deep);font-weight:700}
.hero{position:relative;overflow:hidden;padding:92px 0 76px;background:radial-gradient(circle at 80% 10%,rgba(109,139,101,.28),transparent 32%),linear-gradient(135deg,#f8f2e7 0%,#efe7d8 58%,#e4dccb 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(300px,.96fr);gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(20,53,43,.16);background:rgba(255,250,240,.72);padding:8px 14px;border-radius:999px;color:var(--deep);font-size:14px;font-weight:700}
.hero h1,.page-hero h1{font-size:clamp(38px,6vw,72px);line-height:1.08;margin:22px 0 18px;letter-spacing:-.04em;color:var(--deep)}
.hero p,.page-hero p{font-size:clamp(17px,2vw,21px);color:var(--ink-soft);max-width:680px;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 20px;font-weight:800;border:1px solid transparent;transition:.2s ease}
.btn-primary{background:var(--deep);color:var(--paper-2);box-shadow:0 18px 38px rgba(20,53,43,.22)}
.btn-primary:hover{transform:translateY(-2px);background:var(--deep-2)}
.btn-ghost{border-color:rgba(20,53,43,.2);background:rgba(255,250,240,.7);color:var(--deep)}
.btn-ghost:hover{background:var(--paper-2)}
.hero-card{background:rgba(255,250,240,.7);border:1px solid rgba(20,53,43,.12);border-radius:32px;padding:22px;box-shadow:var(--shadow)}
.hero-card img{border-radius:24px;background:#e9dfcf}
.hero-note{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.hero-note span{border-radius:18px;background:rgba(20,53,43,.08);padding:14px;color:var(--deep);font-weight:800;text-align:center}
.section{padding:82px 0}
.section-alt{background:var(--paper-2)}
.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
.section-heading h2{font-size:clamp(28px,4vw,44px);line-height:1.15;color:var(--deep);margin:0;letter-spacing:-.03em}
.section-heading p{margin:0;color:var(--ink-soft);max-width:540px}
.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))}
.card{background:var(--paper-2);border:1px solid rgba(20,53,43,.1);border-radius:var(--radius);padding:24px;box-shadow:0 10px 36px rgba(32,46,40,.07)}
.card:hover{transform:translateY(-3px);transition:.2s ease;box-shadow:var(--shadow)}
.card h3{margin:14px 0 8px;color:var(--deep);font-size:22px;line-height:1.3}
.card p{color:var(--ink-soft);margin:0}
.icon-card img{width:72px;height:72px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.tag{font-size:13px;font-weight:700;color:var(--deep);background:#e9e1d1;border:1px solid rgba(20,53,43,.1);padding:5px 10px;border-radius:999px}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;background:var(--paper-2);border-radius:34px;padding:28px;border:1px solid rgba(20,53,43,.1);box-shadow:var(--shadow)}
.feature img{border-radius:26px;background:#e8dfcd}
.feature h2{color:var(--deep);font-size:clamp(28px,4vw,46px);line-height:1.15;margin:0 0 16px}
.feature p{color:var(--ink-soft);margin:0 0 16px}
.list-check{display:grid;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.list-check li{padding-left:28px;position:relative;color:var(--ink-soft)}
.list-check li:before{content:"";position:absolute;left:0;top:.55em;width:13px;height:13px;border-radius:50%;background:linear-gradient(135deg,var(--deep),var(--leaf))}
.video-card{padding:0;overflow:hidden}
.video-card figure{margin:0;position:relative;background:#e8dfcd}
.video-card figure:after{content:"播放";position:absolute;left:18px;bottom:18px;background:rgba(20,53,43,.88);color:var(--paper-2);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:800}
.video-card .card-body{padding:22px}
.video-meta{display:flex;justify-content:space-between;gap:14px;color:var(--ink-soft);font-size:14px;margin-bottom:8px}
.k-map{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:22px}
.k-node{background:rgba(255,250,240,.82);border:1px solid rgba(20,53,43,.12);border-radius:20px;padding:18px;text-align:center;color:var(--deep);font-weight:800;position:relative}
.k-node:not(:last-child):after{content:"";position:absolute;right:-12px;top:50%;width:12px;height:1px;background:rgba(20,53,43,.22)}
.faq{display:grid;gap:14px}
.faq details{background:var(--paper-2);border:1px solid rgba(20,53,43,.12);border-radius:20px;padding:18px 20px}
.faq summary{cursor:pointer;font-weight:800;color:var(--deep)}
.faq p{color:var(--ink-soft);margin:12px 0 0}
.page-hero{padding:76px 0;background:linear-gradient(135deg,#f8f2e8,#e9dfcf)}
.breadcrumb{font-size:14px;color:var(--ink-soft);margin-bottom:18px}
.breadcrumb a{color:var(--deep);font-weight:700}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.filter-btn{border:1px solid rgba(20,53,43,.16);background:var(--paper-2);color:var(--deep);border-radius:999px;padding:10px 14px;font-weight:800;cursor:pointer}
.filter-btn.is-active{background:var(--deep);color:var(--paper-2)}
.timeline{position:relative;display:grid;gap:18px;margin-top:24px}
.timeline:before{content:"";position:absolute;left:23px;top:0;bottom:0;width:2px;background:rgba(20,53,43,.16)}
.timeline-item{position:relative;padding-left:68px}
.timeline-dot{position:absolute;left:11px;top:8px;width:26px;height:26px;border-radius:50%;background:var(--deep);border:6px solid var(--paper)}
.timeline-card{background:var(--paper-2);border:1px solid rgba(20,53,43,.11);border-radius:22px;padding:22px;box-shadow:0 8px 30px rgba(32,46,40,.07)}
.timeline-card h3{margin:0 0 8px;color:var(--deep)}
.table-plan{width:100%;border-collapse:collapse;background:var(--paper-2);border-radius:24px;overflow:hidden;box-shadow:0 8px 30px rgba(32,46,40,.07)}
.table-plan th,.table-plan td{text-align:left;padding:18px;border-bottom:1px solid rgba(20,53,43,.1)}
.table-plan th{background:#e9e1d2;color:var(--deep)}
.table-plan td{color:var(--ink-soft)}
.contact-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
.info-panel,.form-panel{background:var(--paper-2);border:1px solid rgba(20,53,43,.1);border-radius:28px;padding:26px;box-shadow:var(--shadow)}
.form-grid{display:grid;gap:14px}
label{display:grid;gap:6px;font-weight:800;color:var(--deep)}
input,select,textarea{width:100%;border:1px solid rgba(20,53,43,.16);border-radius:16px;background:#fffdf7;padding:13px 14px;font:inherit;color:var(--ink)}
textarea{min-height:138px;resize:vertical}
.form-message{margin-top:12px;color:var(--deep);font-weight:800;min-height:24px}
.site-footer{background:#14251f;color:#e8e1d3;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#e8e1d3,#6d8b65);color:#14251f}
.site-footer p{color:#cfc5b3;max-width:520px}
.site-footer h2{font-size:18px;color:#fffaf0;margin:0 0 12px}
.site-footer a:not(.brand){display:block;color:#d8cfbd;margin:8px 0}
.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,250,240,.14);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#bfb5a4;font-size:14px}
.domain-line span{color:#fffaf0;font-weight:800}
.notice{background:#e9e1d1;border-left:4px solid var(--deep);border-radius:18px;padding:18px;color:var(--ink-soft)}
.text-link{color:var(--deep);font-weight:900;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
@media (max-width:960px){
    .hero-grid,.feature,.contact-box{grid-template-columns:1fr}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .k-map{grid-template-columns:1fr}.k-node:not(:last-child):after{display:none}
}
@media (max-width:760px){
    .header-inner{min-height:66px}.nav-toggle{display:inline-flex}.main-nav{position:absolute;top:66px;left:4vw;right:4vw;display:none;flex-direction:column;align-items:stretch;background:var(--paper-2);border:1px solid rgba(20,53,43,.12);border-radius:24px;padding:14px;box-shadow:var(--shadow)}
    .main-nav.is-open{display:flex}.main-nav a{padding:12px 14px}.hero{padding:64px 0}.section{padding:58px 0}.section-heading{display:block}.section-heading p{margin-top:12px}.hero-note,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.feature{padding:18px}.card{padding:20px}.page-hero{padding:56px 0}.table-plan{display:block;overflow-x:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}
}