/* 景观之家官网样式 - 原生 CSS */
:root{
  --brand:#1F8020;
  --brand-dark:#166318;
  --brand-soft:#E8F3E9;
  --bg:#ffffff;
  --bg-soft:#F5F8F4;
  --text:#141a14;
  --muted:#5c6b5c;
  --border:#e3e8e2;
  --up:#c0392b;
  --down:#1F8020;
  --gold:#d9b26a;
  --card-radius:14px;
  --shadow:0 2px 12px rgba(20,26,20,.05);
  --max:1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
a:focus-visible,button:focus-visible{outline:3px solid rgba(31,128,32,.35);outline-offset:3px}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.3;font-weight:600}
p{margin:0 0 1em}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:8px 12px;z-index:1000}
.skip-link:focus{left:8px;top:8px}

/* nav */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.92);-webkit-backdrop-filter:saturate(1.2) blur(10px);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--border);z-index:50}
.nav{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px}
.brand img{width:44px;height:48px;object-fit:contain}
.nav-links{display:flex;gap:22px;margin-left:24px;flex:1}
.nav-links a{color:#333;font-size:15px;padding:6px 2px;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:var(--brand);border-bottom-color:var(--brand)}
.nav-cta{display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:500;transition:all .15s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{content:"";display:block;width:18px;height:2px;background:var(--text);position:relative}
.menu-toggle span::before{position:absolute;top:-6px}
.menu-toggle span::after{position:absolute;top:6px}

/* hero */
.hero{padding:56px 0 40px;background:linear-gradient(180deg,#F5F8F4 0%,#ffffff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;padding:4px 12px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:44px;letter-spacing:-.5px}
.hero .lede{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{height:520px;display:flex;align-items:center;justify-content:center;margin-left:auto}
.hero-mockup{display:block;width:100%;height:100%}
.hero-mockup img{width:100%;height:100%;object-fit:contain}
.price-up{color:var(--up);font-weight:600}
.price-down{color:var(--down);font-weight:600}

/* section */
section{padding:64px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 40px}
.section-head h1,.section-head h2{font-size:32px}
.section-head p{color:var(--muted);font-size:16px}

/* grid cards */
.grid{display:grid;gap:20px}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--card-radius);padding:22px;transition:transform .15s, box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d0dcd0}
.card .icon{width:40px;height:40px;border-radius:10px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:14px}
.card .icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14.5px;margin:0}

/* price demo */
.price-panel{background:var(--bg-soft);border-radius:20px;padding:32px;display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
.price-table{background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.price-table table{width:100%;border-collapse:collapse;font-size:14px}
.price-table th,.price-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
.price-table th{background:#fafbf9;font-weight:600;color:#666;font-size:13px}
.price-table tr:last-child td{border-bottom:0}
.demo-note{font-size:12px;color:var(--muted);margin-top:10px}

/* category */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:#fff;border:1px solid var(--border);padding:6px 14px;border-radius:999px;font-size:13.5px;color:#444}
.category-block{margin-bottom:26px}
.category-block h4{color:var(--brand-dark);font-size:15px;margin-bottom:10px}

/* flow */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.flow-step{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;position:relative}
.flow-step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:20px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}

/* membership */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:900px;margin:0 auto}
.plan{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;position:relative}
.plan.enterprise{background:#1c1a17;color:#f4ecd8;border-color:#2a2723}
.plan.enterprise .price,.plan.enterprise h3{color:var(--gold)}
.plan.enterprise li{color:#e6dcc4}
.plan h3{font-size:20px}
.plan .price{font-size:32px;color:var(--brand);font-weight:700;margin:12px 0}
.plan .price small{font-size:14px;color:var(--muted);font-weight:400}
.plan ul{list-style:none;padding:0;margin:16px 0}
.plan li{padding:8px 0;border-bottom:1px dashed rgba(0,0,0,.08);font-size:14.5px}
.plan.enterprise li{border-bottom-color:rgba(255,255,255,.08)}
.badge{position:absolute;top:14px;right:14px;background:var(--brand);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px}
.plan.enterprise .badge{background:var(--gold);color:#1c1a17}

/* download */
.download-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dl-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:26px;text-align:center}
.dl-card .qr{width:140px;height:140px;margin:16px auto;background:#f4f6f2;border:1px dashed #cfd8ce;display:flex;align-items:center;justify-content:center;color:#98a598;font-size:12px;border-radius:10px}

/* footer */
.site-footer{background:#0f1210;color:#c8cec6;padding:56px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:14px}
.footer-grid>div{min-width:0}
.footer-grid a{display:block;padding:5px 0;color:#a4aca2;font-size:13.5px}
.footer-grid .footer-email{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.footer-grid a:hover{color:#fff}
.footer-brand p{font-size:13.5px;color:#8f978d;max-width:320px}
.footer-bottom{border-top:1px solid #24291f;padding-top:22px;text-align:center;font-size:13px;color:#8f978d}
.footer-bottom a{color:#a4aca2}
.footer-bottom .beian{margin-top:8px}
.footer-bottom .beian img{display:inline-block;vertical-align:middle;height:16px;margin-right:4px}

/* misc */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.info-block{background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px}
.info-block h3{font-size:17px}
.info-block dl{margin:0}
.info-block dt{color:var(--muted);font-size:13px;margin-top:10px}
.info-block dd{margin:2px 0 0;font-size:15px}

/* 404 */
.notfound{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.notfound .code{font-size:96px;color:var(--brand);font-weight:700;line-height:1}

/* responsive */
@media (max-width: 1024px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{width:100%;margin:28px auto 0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .price-panel{grid-template-columns:1fr;padding:22px}
  .flow-steps{grid-template-columns:1fr 1fr}
  .download-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
}
@media (max-width: 720px){
  .nav-links,.nav-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .nav-links.open{display:flex;position:absolute;top:72px;left:auto;right:16px;width:min(260px,calc(100vw - 32px));margin-left:0;background:#fff;flex-direction:column;padding:8px 16px;border:1px solid var(--border);border-radius:12px;box-shadow:0 14px 36px rgba(20,40,20,.14);gap:0;z-index:60}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-links.open a:last-child{border-bottom:0}
  .hero h1{font-size:32px}
  .hero .lede{font-size:16px}
  .section-head h1,.section-head h2{font-size:26px}
  section{padding:48px 0}
  .plans{grid-template-columns:1fr}
  .g-4,.g-3{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .hero-visual{height:400px;max-width:520px}
}
@media (max-width: 420px){
  .hero-visual{height:320px;margin-top:16px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
}