:root{
  --p1:#7c3aed; --p2:#ec4899; --p3:#3b82f6;
  --ink:#1f1147; --muted:#8b85a3; --card:rgba(255,255,255,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:#fff;
  background:linear-gradient(140deg,#241046 0%,#3d1568 38%,#7c2d8f 68%,#a31f5e 100%);
  position:relative; overflow-x:hidden;
}
/* 背景光斑 */
body::before,body::after{
  content:"";position:fixed;border-radius:50%;filter:blur(80px);z-index:0;opacity:.55;
}
body::before{width:520px;height:520px;background:#ec4899;top:-160px;left:-120px;animation:float1 14s ease-in-out infinite}
body::after{width:460px;height:460px;background:#3b82f6;bottom:-180px;right:-120px;animation:float2 16s ease-in-out infinite}
@keyframes float1{50%{transform:translate(60px,40px)}}
@keyframes float2{50%{transform:translate(-50px,-30px)}}

.wrap{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.nav{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  max-width:1080px;margin:0 auto;padding:22px 20px}
.brand{font-size:22px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(90deg,#fff,#ffd6f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-tag{font-size:13px;color:#e9d9ff;background:rgba(255,255,255,.12);padding:6px 14px;border-radius:999px}

/* Hero */
.hero{position:relative;z-index:1;text-align:center;padding:48px 20px 40px}
.hero h1{font-size:clamp(30px,6vw,52px);font-weight:900;line-height:1.15;margin-bottom:16px}
.hero h1 span{background:linear-gradient(90deg,#ff9ed8,#ffd36e,#9ed0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{font-size:clamp(15px,2.4vw,19px);color:#ecdfff;margin-bottom:34px}

/* 搜索卡片（玻璃拟态） */
.search{display:flex;gap:12px;max-width:560px;margin:0 auto;
  background:rgba(255,255,255,.14);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.25);border-radius:18px;padding:12px;
  box-shadow:0 20px 60px rgba(0,0,0,.35)}
.field{flex:1;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.92);
  border-radius:12px;padding:0 14px}
.field .ico{font-size:20px}
.field input{flex:1;border:0;outline:0;background:transparent;font-size:17px;color:#1f1147;
  padding:14px 0;letter-spacing:1px}
.field input::placeholder{color:#9a93b0}
.search button{border:0;cursor:pointer;font-size:16px;font-weight:800;color:#fff;white-space:nowrap;
  padding:0 26px;border-radius:12px;
  background:linear-gradient(90deg,var(--p2),var(--p1));
  box-shadow:0 8px 24px rgba(236,72,153,.45);transition:.2s}
.search button:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(236,72,153,.6)}
.search button:active{transform:translateY(0)}
.hint{margin-top:18px;font-size:13px;color:#d9c7ff}

/* 错误提示 */
.alert{max-width:560px;margin:18px auto 0;background:rgba(255,90,90,.18);
  border:1px solid rgba(255,120,120,.5);color:#ffd9d9;padding:12px 16px;border-radius:12px;font-size:14px}

/* 区块标题 */
section.block{position:relative;z-index:1;max-width:1080px;margin:46px auto;padding:0 20px}
.section-title{font-size:24px;font-weight:800;margin-bottom:20px;text-align:center}
.section-title small{display:block;font-size:13px;font-weight:500;color:#d9c7ff;margin-top:6px}

/* 优惠卡 */
.deal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.deal-card{position:relative;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:18px 14px;text-align:center;transition:.2s}
.deal-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.16)}
.deal-card .tag{position:absolute;top:10px;right:10px;font-size:11px;color:#fff;
  background:linear-gradient(90deg,var(--p3),var(--p1));padding:3px 8px;border-radius:999px}
.deal-card .dur{font-size:15px;font-weight:700;margin-bottom:8px;color:#fff}
.deal-card .price{font-size:26px;font-weight:900;color:#ffd36e}
.deal-card .price small{font-size:14px;font-weight:700}
.deal-card .orig{font-size:12px;color:#cbbce8;text-decoration:line-through;margin-top:4px}
.deal-card .save{display:inline-block;margin-top:10px;font-size:12px;color:#1f1147;font-weight:700;
  background:#9bffce;padding:3px 10px;border-radius:999px}
.deal-err{text-align:center;color:#ffd9d9;font-size:14px;margin-top:8px}

/* 支持平台 */
.plat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.plat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;
  padding:18px 10px;text-align:center;font-weight:700;font-size:15px;transition:.2s}
.plat:hover{background:rgba(255,255,255,.2);transform:translateY(-3px)}

/* 特性 */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.feat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:18px;
  padding:26px 20px;text-align:center}
.feat .f-ico{font-size:34px;margin-bottom:10px}
.feat h3{font-size:18px;margin-bottom:8px}
.feat p{font-size:13px;color:#d9c7ff;line-height:1.6}

/* 页脚 */
footer{position:relative;z-index:1;text-align:center;color:#cbbce8;font-size:13px;padding:40px 20px 50px}

/* 跳转中/错误页 */
.jump{position:relative;z-index:1;max-width:520px;margin:120px auto;text-align:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:20px;
  padding:44px 30px;backdrop-filter:blur(14px)}
.jump h2{font-size:24px;margin-bottom:14px}
.jump p{color:#e9d9ff;font-size:15px;line-height:1.7;margin-bottom:10px}
.jump .spinner{width:46px;height:46px;border:4px solid rgba(255,255,255,.25);
  border-top-color:#ffd36e;border-radius:50%;margin:0 auto 22px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.jump a.btn{display:inline-block;margin-top:18px;color:#fff;text-decoration:none;font-weight:800;
  padding:13px 30px;border-radius:12px;background:linear-gradient(90deg,var(--p2),var(--p1));
  box-shadow:0 8px 24px rgba(236,72,153,.45)}
.jump code{display:block;background:rgba(0,0,0,.25);padding:10px;border-radius:10px;
  font-size:12px;word-break:break-all;margin-top:8px;color:#ffd9d9}

@media (max-width:560px){
  .search{flex-direction:column}
  .search button{padding:14px}
}