:root{
    --bg:#f4f5f9;
    --bg-soft:#eef0f7;
    --card:#ffffff;
    --text:#16181d;
    --muted:#8a8f99;
    --line:#ecedf3;
    --brand:#111;
    --radius:20px;
    --shadow:0 2px 12px rgba(20,30,60,.05);
    --shadow-lift:0 12px 28px rgba(20,30,60,.12);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
    color:var(--text);
    background:
        radial-gradient(120% 60% at 50% 0%, #ffffff 0%, rgba(255,255,255,0) 60%),
        linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 220px);
    background-attachment:fixed;
    min-height:100vh;
    -webkit-font-smoothing:antialiased;
}
.page{max-width:640px;margin:0 auto;padding:44px 16px 48px}
.page.center{display:flex;flex-direction:column;justify-content:center;min-height:100vh;padding:24px 16px}

/* ---------- 头部 ---------- */
.header{text-align:center;margin:0 0 30px}
.header h1{
    font-size:27px;line-height:1.25;margin:0 0 10px;
    letter-spacing:-.4px;font-weight:700;
    background:linear-gradient(135deg,#16181d 0%,#4a5162 100%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:#16181d;
}
.header .sub{color:var(--muted);font-size:14px;margin:0}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.card{
    position:relative;display:flex;flex-direction:column;gap:8px;
    background:var(--card);border-radius:var(--radius);padding:18px 18px 17px;
    text-decoration:none;color:inherit;overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card::before{
    content:"";position:absolute;inset:0 auto 0 0;width:4px;
    background:var(--brand);
}
.card::after{
    content:"";position:absolute;right:-40px;top:-40px;width:110px;height:110px;
    border-radius:50%;background:var(--brand);opacity:.07;
    transition:transform .3s ease,opacity .3s ease;
}
.card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-lift);
    border-color:var(--line);
}
.card:hover::after{transform:scale(1.25);opacity:.11}
.card:active{transform:scale(.975)}
.card .name{font-size:16px;font-weight:600;line-height:1.35;letter-spacing:-.2px}
.card .go{
    margin-top:auto;font-size:12.5px;font-weight:600;color:var(--brand);
    display:inline-flex;align-items:center;gap:4px;opacity:.9;
}
/* 置顶推荐卡：满宽、带角标 */
.grid .card.featured{grid-column:1 / -1}
.card .tag{
    position:absolute;right:14px;top:14px;z-index:1;
    padding:3px 9px;border-radius:999px;
    font-size:11px;font-weight:700;letter-spacing:.5px;
    color:#fff;background:var(--brand);
    box-shadow:0 6px 14px -6px rgba(20,30,60,.5);
}
.badge{
    width:44px;height:44px;border-radius:14px;color:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:21px;font-weight:700;
    box-shadow:0 8px 16px -8px rgba(20,30,60,.4);
}
.badge.lg{width:64px;height:64px;border-radius:18px;font-size:30px;margin:0 auto 14px}

/* ---------- 面板（跳转页 / 链接生成器） ---------- */
.panel{
    background:var(--card);border:1px solid var(--line);border-radius:24px;
    padding:34px 22px;text-align:center;
    box-shadow:0 10px 34px -12px rgba(20,30,60,.16);
}
.panel h2{margin:0 0 10px;font-size:20px;letter-spacing:-.2px}
.muted{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 20px}
.actions{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.btn{
    display:block;padding:14px;border-radius:14px;text-decoration:none;
    background:#111;color:#fff;font-size:16px;font-weight:600;
    border:0;cursor:pointer;
    transition:opacity .15s ease,transform .15s ease,background .15s ease;
}
.btn.ghost{background:#f0f1f5;color:var(--text)}
.btn:active{transform:scale(.985);opacity:.9}
.back{color:var(--muted);font-size:14px;text-decoration:none}
.back:hover{color:var(--text)}

/* ---------- 中间提示 ---------- */
.notice{
    display:flex;gap:12px;align-items:flex-start;
    margin-top:18px;padding:16px 18px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);
}
.notice-icon{
    flex:0 0 auto;width:34px;height:34px;border-radius:11px;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:17px;background:#fff5ee;
}
.notice-body{min-width:0}
.notice-title{margin:1px 0 5px;font-size:15px;font-weight:700;letter-spacing:-.2px}
.notice-text{margin:0;font-size:13px;line-height:1.65;color:var(--muted)}
.notice-text b{color:var(--text);font-weight:600}

@media (max-width:360px){
    .grid{grid-template-columns:1fr}
    .header h1{font-size:23px}
}