:root{
  --ink:#17252a;
  --muted:#5b6d73;
  --bg:#f6faf9;
  --panel:#ffffff;
  --green:#0f766e;
  --green-2:#14b8a6;
  --blue:#2563eb;
  --amber:#f59e0b;
  --red:#dc2626;
  --line:#d7e5e2;
  --soft:#e8f7f4;
  --soft-blue:#eef5ff;
  --shadow:0 12px 32px rgba(15,118,110,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.navwrap{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 22px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--green),var(--green-2));display:grid;place-items:center;color:white;font-weight:900;box-shadow:var(--shadow)}
.nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:8px 10px;border-radius:999px;color:var(--muted);font-size:14px;text-decoration:none}
.nav a.active,.nav a:hover{background:var(--soft);color:var(--green)}
.hero{background:radial-gradient(circle at 10% 10%,rgba(20,184,166,.25),transparent 28%),linear-gradient(135deg,#083f3d,#0f766e 48%,#0ea5a3);color:white}
.hero .inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;padding:62px 22px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);padding:6px 12px;border-radius:999px;font-size:14px;margin-bottom:16px}
h1{font-size:42px;line-height:1.16;margin:0 0 14px;font-weight:900;letter-spacing:-.02em}
h2{font-size:28px;line-height:1.3;margin:0 0 16px;font-weight:850}
h3{font-size:20px;margin:0 0 10px;font-weight:800}
p{margin:0 0 14px}.lead{font-size:18px;color:rgba(255,255,255,.92);max-width:760px}.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:24px;padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.hero-card h3{color:white}.hero-card ul{padding-left:20px;margin:8px 0 0}.hero-card li{margin:8px 0}
.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:12px;font-weight:750;text-decoration:none;border:1px solid transparent}.btn.primary{background:white;color:var(--green)}.btn.secondary{border-color:rgba(255,255,255,.35);color:white}.btn.dark{background:var(--green);color:white}.btn.light{background:var(--soft);color:var(--green);border-color:#c6ede7}
.main{max-width:1180px;margin:0 auto;padding:38px 22px 70px}.grid{display:grid;gap:18px}.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:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}.card.compact{padding:16px}.card h3{display:flex;align-items:center;gap:10px}.icon{width:34px;height:34px;border-radius:11px;background:var(--soft);color:var(--green);display:grid;place-items:center;font-weight:900;flex:0 0 auto}.muted{color:var(--muted)}
.section{margin:34px 0 42px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.kicker{font-weight:850;color:var(--green);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.note{border-left:5px solid var(--green);background:var(--soft);padding:16px 18px;border-radius:14px;margin:16px 0}.warning{border-left-color:var(--amber);background:#fff7ed}.danger{border-left-color:var(--red);background:#fff1f2}
.tablewrap{overflow:auto;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}th{background:#edf8f6;color:#0b5952;font-weight:850}tr:last-child td{border-bottom:none}td:first-child{font-weight:700}.tag{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:750;background:var(--soft);color:var(--green);margin:2px 4px 2px 0}.tag.blue{background:var(--soft-blue);color:var(--blue)}.tag.amber{background:#fff7ed;color:#b45309}.tag.red{background:#fff1f2;color:#b91c1c}
.flow{display:flex;gap:10px;align-items:stretch;justify-content:space-between;flex-wrap:wrap}.flow .step{flex:1 1 150px;background:white;border:1px solid var(--line);border-radius:18px;padding:16px;position:relative}.flow .step:not(:last-child)::after{content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);color:var(--green);font-weight:900;font-size:24px}.num{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:white;font-weight:900;margin-bottom:8px}.diagram{width:100%;height:auto;border-radius:20px;background:white;border:1px solid var(--line);box-shadow:var(--shadow)}
.sidebar-layout{display:grid;grid-template-columns:280px 1fr;gap:22px}.side{position:sticky;top:78px;align-self:start;background:white;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow)}.side a{display:block;padding:10px 12px;border-radius:12px;color:var(--muted);text-decoration:none}.side a:hover,.side a.active{background:var(--soft);color:var(--green)}
.download-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.download{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:16px;padding:14px;background:white}.download small{display:block;color:var(--muted)}
.footer{background:#073f3c;color:#d7fffb;margin-top:60px}.footer .inner{max-width:1180px;margin:0 auto;padding:32px 22px;display:grid;grid-template-columns:1fr auto;gap:20px}.footer a{color:white}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:var(--muted)}
.stat{font-size:32px;font-weight:900;color:var(--green);margin:4px 0}.map-placeholder{min-height:290px;border-radius:24px;background:linear-gradient(135deg,#dff6f1,#eef7ff);border:1px solid var(--line);position:relative;overflow:hidden}.map-placeholder::before{content:"";position:absolute;inset:34px 64px;border-radius:45% 55% 50% 48%;background:linear-gradient(135deg,#0f766e,#14b8a6);opacity:.84;box-shadow:inset 0 0 0 20px rgba(255,255,255,.18)}.pin{position:absolute;width:14px;height:14px;border-radius:50%;background:white;border:4px solid var(--amber);box-shadow:0 0 0 6px rgba(245,158,11,.12)}.pin.p1{left:43%;top:30%}.pin.p2{left:52%;top:45%}.pin.p3{left:38%;top:57%}.pin.p4{left:56%;top:64%}.map-label{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.86);padding:8px 12px;border-radius:12px;font-size:13px;color:var(--muted)}
@media(max-width:900px){.hero .inner{grid-template-columns:1fr}.grid-2,.grid-3,.grid-4,.sidebar-layout{grid-template-columns:1fr}.side{position:static}.navwrap{align-items:flex-start;flex-direction:column}.nav{justify-content:flex-start}.flow .step:not(:last-child)::after{display:none}.download-list{grid-template-columns:1fr}h1{font-size:32px}.footer .inner{grid-template-columns:1fr}}
@media print{.header,.btnrow,.side,.footer{display:none}.main{max-width:none;padding:0}.card,.tablewrap{box-shadow:none}.hero{color:black;background:white}.hero .inner{padding:0}.hero-card{display:none}}