/* ===================================================================
   CyberFox 自助充值 · 样式（浅色主题）
   配色：奶白底 + 纯白卡片，主色「品牌淡黄」，辅色「义眼青」
   与狐狸 logo 的深蓝描边 / 黄耳 / 青眼同源
   =================================================================== */

:root{
  /* 背景 */
  --bg:#FFFCF5;
  --bg-soft:#FFF7E9;
  --panel:#FFFFFF;
  --panel-2:#FFFDF8;

  /* 线与分隔 */
  --line:rgba(37,48,68,.10);
  --line-2:rgba(37,48,68,.20);

  /* 文字 */
  --txt:#24304A;
  --txt2:#5C6883;
  --txt3:#95A0B6;

  /* 主色：品牌黄 */
  --yellow:#F5B841;
  --yellow-deep:#E09A16;
  --yellow-soft:#FFF4DA;
  --yellow-line:rgba(245,184,65,.45);

  /* 辅色：义眼青 */
  --cyan:#2FA9BC;
  --cyan-soft:#E6F6F9;

  /* 语义色 */
  --green:#1DA05C;
  --green-soft:#E8F8EF;
  --amber:#C07A0E;
  --amber-soft:#FFF6E4;
  --red:#D14848;
  --red-soft:#FDECEC;

  --r:14px;
  --r-lg:20px;
  --maxw:1080px;
  --sh:0 1px 2px rgba(37,48,68,.04), 0 6px 20px rgba(37,48,68,.055);
  --sh-lg:0 2px 6px rgba(37,48,68,.06), 0 18px 44px rgba(37,48,68,.10);
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  background:var(--bg);
  background-image:
    radial-gradient(820px 460px at 10% -6%, rgba(245,184,65,.20), transparent 62%),
    radial-gradient(720px 420px at 92% 2%, rgba(47,169,188,.13), transparent 64%);
  background-attachment:fixed;
  color:var(--txt);
  font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

a{color:inherit;text-decoration:none}

/* ---------------- 顶部导航 ---------------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;line-height:0;
  display:grid;place-items:center;
}
.brand-mark img{width:100%;height:100%;display:block;object-fit:contain}
.brand-txt{display:flex;flex-direction:column;line-height:1.16}
.brand-txt b{font-size:15.5px;font-weight:600;letter-spacing:-.1px}
.brand-txt i{font-size:11.5px;font-style:normal;color:var(--txt3);letter-spacing:.6px}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--txt2)}
.nav-links a:hover{color:var(--yellow-deep)}

/* ---------------- Hero ---------------- */
.hero{padding:70px 0 26px;text-align:center}
.pill{
  display:inline-block;font-size:12.5px;color:var(--txt2);
  border:1px solid var(--line);border-radius:999px;
  padding:5px 15px;background:#fff;margin-bottom:22px;
  box-shadow:0 1px 2px rgba(37,48,68,.04);
}
.pill.demo{color:var(--amber);border-color:rgba(192,122,14,.28);background:var(--amber-soft)}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.24;font-weight:600;letter-spacing:-.5px}
.grad{
  background:linear-gradient(94deg,var(--yellow-deep),#E2721E);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  padding:0 .1em;
}
.hero-sub{color:var(--txt2);margin-top:16px;font-size:15.5px}
.hero-meta{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-top:26px;color:var(--txt3);font-size:13.5px}
.hero-meta .dot{
  width:6px;height:6px;border-radius:50%;background:var(--green);
  display:inline-block;vertical-align:middle;margin-right:7px;
}

/* ---------------- 区块 ---------------- */
.sec{padding:52px 0}
.sec-h{font-size:19px;font-weight:600;margin-bottom:22px;padding-left:14px;position:relative}
.sec-h::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--yellow),var(--yellow-deep));
}

/* ---------------- 套餐卡片 ---------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:18px}
.skeleton{
  grid-column:1/-1;padding:44px;text-align:center;color:var(--txt3);
  border:1px dashed var(--line-2);border-radius:var(--r-lg);background:#fff;
}
.card{
  position:relative;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px 22px;display:flex;flex-direction:column;
  box-shadow:var(--sh);
  transition:border-color .18s,transform .18s,box-shadow .18s;
}
.card:hover{border-color:var(--yellow-line);transform:translateY(-3px);box-shadow:var(--sh-lg)}
.card.hot{border-color:var(--yellow-line)}
.card.hot::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(245,184,65,.35);
}
.tag{
  position:absolute;top:-11px;left:20px;
  font-size:11.5px;font-weight:600;letter-spacing:.3px;
  padding:3px 11px;border-radius:999px;color:#4A3405;
  background:linear-gradient(135deg,#FFD87A,var(--yellow));
  box-shadow:0 2px 8px rgba(245,184,65,.35);
}
.card h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.card .desc{font-size:13px;color:var(--txt3);min-height:40px}
.price{display:flex;align-items:baseline;gap:6px;margin:16px 0 4px}
.price .cur{font-size:15px;color:var(--txt2)}
.price .num{
  font-size:31px;font-weight:600;letter-spacing:-.7px;
  background:linear-gradient(94deg,var(--yellow-deep),#D9711A);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.price .old{font-size:13px;color:var(--txt3);text-decoration:line-through;margin-left:2px}
.card ul{list-style:none;margin:16px 0 20px;font-size:13px;color:var(--txt2);display:grid;gap:7px}
.card ul li::before{
  content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--yellow);margin-right:9px;vertical-align:middle;
}
.card .btn{margin-top:auto}

/* ---------------- 按钮 ---------------- */
.btn{
  appearance:none;cursor:pointer;font:inherit;font-size:14.5px;font-weight:500;
  color:#45320A;border:none;border-radius:11px;padding:12px 20px;
  background:linear-gradient(135deg,#FFD87A,var(--yellow));
  box-shadow:0 2px 8px rgba(245,184,65,.30);
  transition:filter .16s,opacity .16s,box-shadow .16s;
}
.btn:hover{filter:brightness(1.04);box-shadow:0 4px 14px rgba(245,184,65,.42)}
.btn:disabled{opacity:.45;cursor:not-allowed;filter:none;box-shadow:none}
.btn.ghost{
  background:#fff;color:var(--txt);border:1px solid var(--line-2);box-shadow:none;
}
.btn.ghost:hover{background:var(--bg-soft);filter:none;box-shadow:none}
.btn.sm{padding:8px 14px;font-size:13.5px}

/* ---------------- 流程 ---------------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;box-shadow:var(--sh);
}
.step .n{
  display:grid;place-items:center;width:28px;height:28px;border-radius:50%;
  font-size:13px;font-weight:600;color:#45320A;
  background:linear-gradient(135deg,#FFD87A,var(--yellow));
  margin-bottom:12px;
}
.step b{display:block;font-size:14.5px;font-weight:600}
.step p{font-size:12.8px;color:var(--txt3);margin-top:3px}

/* ---------------- FAQ ---------------- */
.faq{display:grid;gap:10px}
.faq details{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:15px 18px;box-shadow:var(--sh);
}
.faq summary{cursor:pointer;font-size:14.5px;font-weight:500;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--txt3);font-size:17px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{font-size:13.5px;color:var(--txt2);margin-top:11px}

/* ---------------- 订单查询 ---------------- */
.lookup{display:flex;gap:10px;flex-wrap:wrap}
.lookup input{
  flex:1 1 260px;font:inherit;font-size:14.5px;color:var(--txt);
  background:#fff;border:1px solid var(--line-2);border-radius:11px;
  padding:12px 15px;outline:none;
  transition:border-color .16s,box-shadow .16s;
}
.lookup input::placeholder{color:var(--txt3)}
.lookup input:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(245,184,65,.18)}
.lookup-out{margin-top:14px}

/* ---------------- 页脚 ---------------- */
.foot{margin-top:40px;border-top:1px solid var(--line);padding:28px 0 44px;text-align:center;background:rgba(255,255,255,.5)}
.foot-l1{font-size:13.5px;color:var(--txt2)}
.foot-l2{font-size:12px;color:var(--txt3);margin-top:9px;line-height:1.7}

/* ---------------- 弹层 ---------------- */
.modal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-bd{position:absolute;inset:0;background:rgba(36,48,74,.42);backdrop-filter:blur(4px)}
.modal-box{
  position:relative;width:100%;max-width:440px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 26px;
  box-shadow:0 24px 60px rgba(37,48,68,.22);
  max-height:88vh;overflow:auto;
}
.modal-x{
  position:absolute;top:12px;right:14px;
  background:none;border:none;color:var(--txt3);font-size:23px;
  cursor:pointer;line-height:1;padding:4px;
}
.modal-x:hover{color:var(--txt)}

/* ---------------- 表单 ---------------- */
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;color:var(--txt2);margin-bottom:7px}
.field input{
  width:100%;font:inherit;font-size:14.5px;color:var(--txt);
  background:#FFFDF9;border:1px solid var(--line-2);border-radius:10px;
  padding:11px 14px;outline:none;transition:border-color .16s,box-shadow .16s;
}
.field input::placeholder{color:var(--txt3)}
.field input:focus{border-color:var(--yellow);background:#fff;box-shadow:0 0 0 3px rgba(245,184,65,.18)}
.hint{font-size:12px;color:var(--txt3);margin-top:7px}

/* ---------------- 订单/状态块 ---------------- */
.obox h3{font-size:17px;font-weight:600;margin-bottom:4px}
.obox .osub{font-size:13px;color:var(--txt3);margin-bottom:18px}
.kv{display:grid;gap:9px;font-size:13.5px;margin-bottom:18px}
.kv div{display:flex;justify-content:space-between;gap:14px}
.kv span:first-child{color:var(--txt3);flex:0 0 auto}
.kv span:last-child{text-align:right;word-break:break-all}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.8px}
.status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  border:1px solid var(--line);color:var(--txt2);background:var(--bg-soft);
}
.status.paid{color:var(--green);border-color:rgba(29,160,92,.32);background:var(--green-soft)}
.status.pending{color:var(--amber);border-color:rgba(192,122,14,.30);background:var(--amber-soft)}
.status.closed{color:var(--txt3)}
.spin{
  width:11px;height:11px;border-radius:50%;
  border:2px solid rgba(192,122,14,.25);border-top-color:var(--amber);
  animation:sp .8s linear infinite;
}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}

.code-box{
  background:var(--green-soft);border:1px solid rgba(29,160,92,.28);
  border-radius:12px;padding:16px;margin:16px 0;
}
.code-box .lab{font-size:12px;color:var(--green);margin-bottom:8px}
.code-box .val{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;letter-spacing:.6px;word-break:break-all;color:#14603A;
}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.row .btn{flex:1 1 auto}

.alert{
  font-size:13px;border-radius:11px;padding:11px 14px;margin-bottom:15px;
  border:1px solid var(--line);background:var(--bg-soft);color:var(--txt2);
}
.alert.warn{border-color:rgba(192,122,14,.30);color:var(--amber);background:var(--amber-soft)}
.alert.err{border-color:rgba(209,72,72,.28);color:var(--red);background:var(--red-soft)}
.alert.ok{border-color:rgba(29,160,92,.28);color:var(--green);background:var(--green-soft)}

@media (max-width:640px){
  .nav-links{display:none}
  .hero{padding:50px 0 18px}
  .sec{padding:38px 0}
  .brand-mark{width:40px;height:40px}
}