:root{
  --paper:#f7f2ff;
  --card:rgba(255,255,255,.74);
  --card-solid:#fffdfd;
  --ink:#33255c;
  --muted:#5f5285;
  --line:#e4dcf6;
  --violet:#8a6bf2;
  --violet-deep:#6b4bc9;
  --pink:#e58bc8;
  --gold:#8a6630;
  --gold-line:rgba(199,154,78,.42);
  --radius:20px;
  --max:800px;
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:linear-gradient(180deg,#f7f2ff 0%,#fdf3f9 42%,#f2eeff 100%);
  background-attachment:fixed;
  color:var(--ink);
  font:16px/1.78 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;
}
/* 星野：三层光晕 + 星点，固定在视口 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(circle at 12% 8%,rgba(138,107,242,.20),rgba(138,107,242,0) 42%),
    radial-gradient(circle at 88% 18%,rgba(229,139,200,.18),rgba(229,139,200,0) 40%),
    radial-gradient(circle at 70% 88%,rgba(138,107,242,.12),rgba(138,107,242,0) 45%),
    radial-gradient(1.5px 1.5px at 8% 22%,rgba(255,255,255,.95),transparent 60%),
    radial-gradient(1.5px 1.5px at 22% 64%,rgba(255,255,255,.85),transparent 60%),
    radial-gradient(2px 2px at 38% 12%,rgba(255,255,255,.9),transparent 60%),
    radial-gradient(1.5px 1.5px at 54% 78%,rgba(255,255,255,.8),transparent 60%),
    radial-gradient(2px 2px at 66% 34%,rgba(255,255,255,.9),transparent 60%),
    radial-gradient(1.5px 1.5px at 82% 58%,rgba(255,255,255,.85),transparent 60%),
    radial-gradient(1.5px 1.5px at 94% 82%,rgba(255,255,255,.8),transparent 60%),
    radial-gradient(1px 1px at 30% 40%,rgba(199,154,78,.55),transparent 60%),
    radial-gradient(1px 1px at 74% 14%,rgba(199,154,78,.5),transparent 60%),
    radial-gradient(1px 1px at 47% 52%,rgba(199,154,78,.45),transparent 60%);
  animation:twinkle 7s ease-in-out infinite alternate;
}
@keyframes twinkle{from{opacity:.72}to{opacity:1}}
a{color:var(--violet-deep);text-decoration:none;border-bottom:1px solid rgba(107,75,201,.28)}
a:hover{border-bottom-color:var(--violet-deep)}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}

/* header */
.site-head{
  position:sticky;top:0;z-index:10;
  background:rgba(247,242,255,.84);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(228,220,246,.9);
}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;border:0;color:var(--ink);font-weight:700;letter-spacing:.02em}
.brand svg{width:32px;height:32px;flex:none;filter:drop-shadow(0 4px 10px rgba(138,107,242,.35))}
.brand small{display:block;font-weight:400;font-size:13px;color:var(--muted);letter-spacing:.18em}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{
  border:0;color:var(--muted);font-size:15px;padding:9px 11px;border-radius:10px;min-height:40px;display:inline-flex;align-items:center
}
.nav a:hover{background:rgba(138,107,242,.10);color:var(--ink)}

/* hero */
.hero{padding:74px 0 44px;position:relative}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.hero-copy{max-width:34em;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--gold);
  border:1px solid var(--gold-line);
  background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(255,248,235,.75));
  border-radius:999px;padding:5px 13px;
  box-shadow:0 2px 10px rgba(199,154,78,.12);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block;box-shadow:0 0 0 3px rgba(199,154,78,.16)}
.hero h1{
  font-family:var(--serif);
  font-size:56px;line-height:1.14;margin:20px 0 0;letter-spacing:.07em;font-weight:600;
  background:linear-gradient(120deg,#33255c 20%,#5a3fa8 55%,#8a6bf2 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{font-size:19px;color:var(--ink);margin:12px 0 0;font-weight:500;letter-spacing:.02em}
.hero .lede{font-size:16px;color:var(--muted);margin:18px 0 0;max-width:33em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:999px;
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#8a6bf2 0%,#a97ce8 52%,#e58bc8 100%);
  color:#fff;border-color:rgba(255,255,255,.45);
  box-shadow:0 10px 26px rgba(122,86,214,.36),inset 0 1px 0 rgba(255,255,255,.55);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);border-bottom-color:rgba(255,255,255,.45)}
.btn-ghost{
  background:rgba(255,255,255,.66);color:var(--ink);border-color:rgba(228,220,246,.95);
  box-shadow:0 6px 18px rgba(107,75,201,.10);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:#fff;border-bottom-color:rgba(228,220,246,.95);transform:translateY(-1px)}

/* hero art */
.hero-art{position:relative;display:none}
.hero-art img{
  width:100%;display:block;border-radius:26px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 74%,rgba(0,0,0,.15) 100%);
  mask-image:linear-gradient(180deg,#000 0%,#000 74%,rgba(0,0,0,.15) 100%);
}
.hero-art::after{
  content:"";position:absolute;inset:0;border-radius:26px;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(199,154,78,.30),inset 0 0 60px rgba(138,107,242,.22);
}
.hero-art .tag{
  position:absolute;left:14px;bottom:18px;z-index:2;
  font-family:var(--serif);font-size:13px;letter-spacing:.12em;color:#4a3a78;
  background:rgba(255,255,255,.82);border:1px solid rgba(199,154,78,.38);
  border-radius:999px;padding:6px 12px;backdrop-filter:blur(6px);
}

/* sections */
section{padding:36px 0}
h2{
  font-family:var(--serif);
  font-size:27px;line-height:1.36;margin:0 0 6px;font-weight:600;letter-spacing:.03em
}
.section-note{color:var(--muted);font-size:16px;margin:0 0 22px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid rgba(255,255,255,.85);border-radius:var(--radius);padding:22px 22px 20px;
  box-shadow:0 12px 34px rgba(94,70,160,.12),inset 0 1px 0 rgba(255,255,255,.9);
  backdrop-filter:blur(12px);
}
.card::before{
  content:"";position:absolute;inset:7px;border:1px solid rgba(199,154,78,.26);border-radius:14px;pointer-events:none;
}
.card .k{font-size:13px;letter-spacing:.16em;color:var(--gold);text-transform:uppercase}
.card h3{font-size:19px;margin:8px 0 6px;font-weight:650}
.card p{margin:0;color:var(--muted);font-size:16px;line-height:1.72}

.list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.list li{display:flex;gap:14px;padding:16px 2px;border-bottom:1px solid var(--line)}
.list .idx{font-family:var(--serif);color:var(--gold);font-size:15px;min-width:2.2em;padding-top:1px}
.list b{display:block;font-weight:600;margin-bottom:2px}
.list span{color:var(--muted);font-size:16px}

.callout{
  background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(244,236,255,.85));
  border:1px solid rgba(199,154,78,.34);border-radius:18px;padding:20px 22px;color:#3d2f63;font-size:16px;
  box-shadow:0 12px 30px rgba(94,70,160,.10);
  backdrop-filter:blur(10px);
}
.callout b{color:#2f2350}

/* footer */
.site-foot{margin-top:48px;border-top:1px solid rgba(228,220,246,.9);padding:30px 0 44px;color:var(--muted);font-size:15px;line-height:1.9}
.site-foot .row{display:flex;gap:8px 18px;flex-wrap:wrap;margin-bottom:6px}
.site-foot a{color:var(--muted)}
.site-foot .meta{color:#6a5f86}

/* article (legal pages) */
.article{padding:44px 22px 24px;max-width:760px}
.article h1{font-family:var(--serif);font-size:35px;line-height:1.3;margin:0 0 8px;font-weight:600;letter-spacing:.03em}
.article .meta{color:var(--muted);font-size:15px;margin:0 0 26px}
.article h2{font-size:20px;margin:34px 0 8px;padding-top:6px}
.article p{margin:0 0 10px;color:#3a3060}
.article ul{margin:6px 0 14px;padding-left:1.25em;color:#3a3060}
.article li{margin:4px 0}
.article .back{display:inline-block;margin-bottom:18px;font-size:15px;border:0;color:var(--muted)}
.article .back:hover{color:var(--ink)}
.article .note{
  background:linear-gradient(135deg,rgba(255,250,240,.95),rgba(255,244,229,.9));
  border:1px solid rgba(199,154,78,.38);border-radius:14px;padding:15px 17px;color:#6b5326;font-size:16px;margin:18px 0;
}

@media (min-width:860px){
  .hero{padding:86px 0 56px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:44px}
  .hero-art{display:block}
  .article{
    background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.85);border-radius:22px;
    padding:38px 40px 26px;margin:28px auto 0;backdrop-filter:blur(12px);
    box-shadow:0 16px 40px rgba(94,70,160,.10);
  }
}
@media (max-width:640px){
  .hero{padding:46px 0 26px}
  .hero h1{font-size:40px}
  .hero .sub{font-size:18px}
  .hero .lede{font-size:16px}
  .grid{grid-template-columns:1fr}
  .nav a{font-size:13px;padding:9px 8px}
  .site-head .wrap{min-height:58px}
  section{padding:26px 0}
  .article h1{font-size:27px}
  .article h2{font-size:18px}
  .site-foot{font-size:13px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}