/* ===========================================================
   贪吃蛇红包 · 隐私政策 / 用户协议 / 联系我们 页面样式
   与首页同一套糖果游戏风，去掉动效、突出可读性
   =========================================================== */

:root{
  --bg:#EDF3FF;
  --surface:#FFFFFF;
  --surface-2:#F5F9FF;
  --line:#DFE9FA;
  --ink:#16203A;
  --ink-2:#4C5B7C;
  --ink-3:#8795B4;
  --red:#FF4B4B;
  --red-deep:#D62E2E;
  --blue:#35C4FF;
  --blue-deep:#1E93D6;
  --gold-deep:#E79500;
  --grad-warm:linear-gradient(135deg,#FF8A3D 0%,#FF4B4B 52%,#E03131 100%);
  --grad-cool:linear-gradient(135deg,#63DCFF 0%,#35C4FF 48%,#7B6BFF 100%);
  --radius:20px;
  --radius-lg:28px;
  --shadow-sm:0 10px 22px -14px rgba(22,32,58,.42);
  --shadow:0 30px 60px -40px rgba(22,32,58,.6);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 6% 0%, rgba(53,196,255,.28), transparent 38%),
    radial-gradient(circle at 94% 2%, rgba(255,194,46,.30), transparent 36%),
    linear-gradient(180deg,#F4F9FF 0%,#E8F0FF 100%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(22,32,58,.07) 1.7px, transparent 1.8px);
  background-size:24px 24px;
  mask-image:linear-gradient(180deg,#000 0%,#000 55%,transparent 100%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 55%,transparent 100%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{width:1.15em;height:1.15em;flex:none;}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px;}

/* 顶部导航 */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,251,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.wrap{width:100%;max-width:920px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;max-width:1180px;margin:0 auto;padding:0 24px;}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:1.1rem;}
.logo-img{
  width:42px;height:42px;border-radius:14px;overflow:hidden;flex:none;background:#fff;
  display:grid;place-items:center;box-shadow:0 8px 18px -10px rgba(22,32,58,.6);
}
.logo-img img{width:100%;height:100%;object-fit:cover;}
.nav-links{display:flex;align-items:center;gap:24px;font-size:.94rem;font-weight:700;color:var(--ink-2);}
.nav-links a:hover{color:var(--red);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 24px;border-radius:999px;border:0;
  background:var(--grad-warm);color:#fff;font-weight:900;font-size:.94rem;
  box-shadow:0 5px 0 var(--red-deep), 0 18px 30px -16px rgba(255,75,75,.75);
  transition:transform .16s ease, box-shadow .16s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--red-deep), 0 22px 34px -16px rgba(255,75,75,.8);}
.btn-primary:active{transform:translateY(3px);box-shadow:0 2px 0 var(--red-deep);}

/* 页面主体 */
.page{padding:52px 0 72px;position:relative;z-index:1;}
.page-head{text-align:center;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(255,240,240,.9));
  border:1px solid rgba(255,75,75,.22);
  color:var(--red-deep);font-size:.84rem;font-weight:800;letter-spacing:.04em;
}
.page-head h1{font-size:clamp(1.7rem,4vw,2.3rem);font-weight:900;letter-spacing:-.02em;margin:16px 0 10px;}
.page-meta{color:var(--ink-3);font-size:.94rem;}

.doc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 46px;box-shadow:var(--shadow-sm);
}
.doc-block+.doc-block{margin-top:34px;padding-top:30px;border-top:1px dashed var(--line);}
.doc-block h2{font-size:1.16rem;font-weight:900;letter-spacing:-.01em;margin-bottom:12px;}
.doc-block h2::before{
  content:"";display:inline-block;width:10px;height:10px;border-radius:50%;
  background:var(--grad-warm);margin-right:10px;vertical-align:middle;
  box-shadow:0 0 0 4px rgba(255,75,75,.14);
}
.doc-block p{color:var(--ink-2);font-size:.96rem;}
.doc-block p+p{margin-top:12px;}
.doc-block li{color:var(--ink-2);font-size:.96rem;padding-left:22px;position:relative;margin-top:10px;}
.doc-block li::before{
  content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:50%;
  background:var(--grad-cool);
}
.doc-block a{color:var(--blue-deep);font-weight:800;}
.doc-block a:hover{text-decoration:underline;}

/* 联系卡片 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:6px;}
.contact-card{
  padding:22px 22px 20px;border-radius:var(--radius);
  background:var(--surface-2);border:1px solid var(--line);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.contact-card:hover{transform:translateY(-4px);border-color:rgba(53,196,255,.45);box-shadow:var(--shadow);}
.contact-card h3{font-size:1rem;font-weight:900;margin-bottom:6px;}
.contact-card p{font-size:.9rem;color:var(--ink-2);}
.contact-card a{color:var(--blue-deep);font-weight:800;word-break:break-all;}

/* 底部 */
.footer{
  position:relative;z-index:1;margin-top:8px;padding:30px 0 40px;
  border-top:1px solid var(--line);background:rgba(255,255,255,.72);
}
.footer-inner{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:.86rem;color:var(--ink-3);
}
.footer-inner a:hover{color:var(--red);}

@media (max-width:820px){
  .nav-links{display:none;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .nav{padding:0 18px;height:64px;}
  .logo{font-size:1rem;}
  .logo-img{width:38px;height:38px;border-radius:12px;}
  .page{padding:36px 0 56px;}
  .doc{padding:28px 20px;border-radius:var(--radius);}
  .contact-grid{grid-template-columns:1fr;}
}