:root{
  --bg:#0d0f14; --panel:#141821; --line:#232a36; --ink:#e8eaed;
  --dim:#8b93a1; --accent:#7fd1ae; --warn:#ffb454; --link:#8ab4f8;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC",system-ui,"Helvetica Neue",sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased}
.wrap{max-width:860px;margin:0 auto;padding:0 28px}
header{border-bottom:1px solid var(--line);padding:22px 0}
header .wrap{display:flex;align-items:baseline;gap:26px;flex-wrap:wrap}
.logo{font-weight:800;letter-spacing:.22em;font-size:15px;color:#fff}
nav a{color:var(--dim);text-decoration:none;font-size:14px;margin-right:18px}
nav a:hover,nav a.on{color:var(--ink)}
main{padding:64px 0 96px}
h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.01em;margin-bottom:20px}
h2{font-size:22px;margin:52px 0 16px;font-weight:700}
h3{font-size:17px;margin:26px 0 8px;color:#dfe3e8}
p,li{color:#cfd6e2;font-size:16px}
p{margin-bottom:14px}
ul{padding-left:22px;margin-bottom:16px}
li{margin-bottom:6px}
.lead{font-size:19px;color:#b9c1cf;margin-bottom:32px}
.evidence{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);padding:18px 0;margin:36px 0}
.evidence div b{display:block;font-size:22px;color:#fff;font-variant-numeric:tabular-nums}
.evidence div span{font-size:13px;color:var(--dim)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px 24px;margin:18px 0}
.card h3{margin-top:0}
.tag{display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;
  border:1px solid var(--line);color:var(--dim);margin-left:8px;vertical-align:2px}
.tag.ok{color:var(--accent);border-color:#2c4f43}
.tag.draft{color:var(--warn);border-color:#4f402c}
.tag.no{color:#e08a8a;border-color:#4f2c2c}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
code{background:#1b2130;padding:1px 6px;border-radius:5px;font-size:14px;color:#cfd6e2}
pre{background:#11151d;border:1px solid var(--line);border-radius:10px;padding:16px 18px;
  overflow-x:auto;font-size:14px;color:#cfd6e2;margin:14px 0}
a{color:var(--link)}
.blind{border-left:3px solid var(--warn);padding:2px 0 2px 16px;margin:20px 0;color:#cfd6e2}
.blind b{color:var(--warn)}
footer{border-top:1px solid var(--line);padding:28px 0 60px;color:var(--dim);font-size:13px}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--dim);font-weight:600;font-size:13px}

/* 首页主视觉 */
.hero{position:relative;margin:-64px -28px 40px;padding:104px 28px 72px;overflow:hidden}
.hero__bg{position:absolute;inset:0;background:url("img/hero.webp") center/cover no-repeat;opacity:.55}
.hero__bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,20,.55) 0%,rgba(13,15,20,.82) 55%,#0d0f14 100%)}
.hero__inner{position:relative;max-width:860px}
.hero h1{text-shadow:0 2px 24px rgba(0,0,0,.6)}

/* 能力块插画 */
.card img{display:block;width:100%;height:auto;border-radius:8px;margin-bottom:16px;
  border:1px solid var(--line);background:#0b0e13}
@media (max-width:640px){
  .hero{margin:-64px -20px 32px;padding:72px 20px 48px}
}

/* 报告包含：六块图标带 */
.feat-strip{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:12px;
  padding:0;margin:26px 0 8px}
.feat-strip li{display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:14px 8px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.feat-strip img{width:28px;height:28px;opacity:.9}
.feat-strip span{font-size:12.5px;color:var(--dim);letter-spacing:.02em;text-align:center}
@media (max-width:720px){.feat-strip{grid-template-columns:repeat(3,1fr)}}

/* 分隔：1px 发丝线，两端渐隐（不用图片，保持线条语言一致） */
.rule{height:1px;border:0;margin:52px 0 6px;
  background:linear-gradient(90deg,transparent 0%,rgba(127,209,174,.28) 22%,rgba(127,209,174,.28) 78%,transparent 100%)}