/* 壹号栈 玻璃拟态 v2 公共样式 */
:root{
  --primary:#ff1d55;--primary-light:#ff7a95;--primary-soft:#ffb3c7;--violet:#8b5cf6;
  --ink:#1e1b4b;--ink-soft:#5b5b7a;--ink-faint:#8b8ba8;
  --glass:rgba(255,255,255,.55);--glass-strong:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.65);
  --r-lg:26px;--r-md:18px;--r-sm:12px;
  --shadow:0 8px 32px rgba(31,38,135,.08);--shadow-lg:0 20px 60px -12px rgba(255,29,85,.18);
  --grad:linear-gradient(135deg,#ff1d55 0%,#ff7a95 55%,#ffb3c7 100%);
}
.g-top{position:sticky;top:0;z-index:20;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);background:rgba(255,255,255,.55);border-bottom:1px solid rgba(255,255,255,.6);padding:.75rem 1.6rem;display:flex;align-items:center;gap:1rem}
.g-logo{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:.95rem;color:var(--ink);text-decoration:none;flex-shrink:0}
.g-logo .mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;box-shadow:0 8px 18px -6px rgba(255,29,85,.5)}
.g-links{display:flex;gap:.3rem;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-left:.4rem}
.g-links::-webkit-scrollbar{display:none}
.g-link{display:inline-flex;align-items:center;padding:.45rem 1rem;border-radius:999px;font-size:.84rem;font-weight:700;color:var(--ink-soft);text-decoration:none;white-space:nowrap;transition:all .18s}
.g-link:hover{color:var(--primary);background:rgba(255,255,255,.6)}
.g-link.on{background:var(--grad);color:#fff;box-shadow:0 6px 16px -4px rgba(255,29,85,.45)}
.g-search{flex:1;max-width:420px;margin-left:auto;display:flex;background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:999px;padding:.32rem;box-shadow:0 8px 28px -8px rgba(31,38,135,.1)}
.g-search input{flex:1;border:none;background:transparent;outline:none;padding:.4rem .9rem;font-size:.88rem;font-family:inherit;color:var(--ink)}
.g-search .kbd{font-size:.68rem;color:var(--ink-faint);background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.8);padding:.18rem .5rem;border-radius:6px;font-weight:700;align-self:center;margin-right:.4rem;flex-shrink:0}
.dark .g-top{background:rgba(15,23,42,.85);border-color:#334155}
.dark .g-link{color:#94a3b8}
.dark .g-link:hover{color:#ff7a95;background:rgba(30,41,59,.5)}
.dark .g-link.on{background:var(--grad);color:#fff}
.dark .g-search{background:rgba(30,41,59,.55);border-color:rgba(51,65,85,.6)}
.dark .g-search input{color:#e2e8f0}
.dark .g-search .kbd{background:rgba(30,41,59,.5);border-color:rgba(51,65,85,.6);color:#64748b}
@media (max-width:768px){.g-top{padding:.55rem .9rem;gap:.5rem}.g-logo{font-size:.85rem}.g-logo .mark{width:30px;height:30px;font-size:.9rem}.g-link{padding:.4rem .8rem;font-size:.8rem}.g-search{max-width:none}}
.glass-bg{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.glass-bg span{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.gb1{width:520px;height:520px;background:radial-gradient(circle,rgba(255,29,85,.22),transparent 70%);top:-12%;right:-4%}
.gb2{width:460px;height:460px;background:radial-gradient(circle,rgba(139,92,246,.18),transparent 70%);bottom:-14%;left:-6%}
.gb3{width:300px;height:300px;background:radial-gradient(circle,rgba(255,179,199,.35),transparent 70%);top:38%;left:18%}
.gb4{width:260px;height:260px;background:radial-gradient(circle,rgba(20,184,166,.12),transparent 70%);bottom:22%;right:12%}
.glass{background:var(--glass);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border:1px solid var(--glass-border);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-badge{display:inline-flex;align-items:center;gap:.45rem;padding:.5rem 1.1rem;border-radius:999px;background:var(--glass);backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:0 4px 16px -4px rgba(255,29,85,.15);font-size:.82rem;font-weight:700;color:var(--primary)}
.hero-badge::before{content:'●';font-size:.5rem;animation:yzpulse 2s infinite}
@keyframes yzpulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero-title{font-size:clamp(2.4rem,5.5vw,3.8rem);font-weight:900;letter-spacing:-.03em;line-height:1.12;color:var(--ink)}
.hero-sub{color:var(--ink-soft);font-size:1rem;margin-top:.9rem;line-height:1.7}
.glass-btn{display:inline-flex;align-items:center;gap:.4rem;border:none;background:var(--grad);color:#fff;border-radius:999px;padding:.55rem 1.4rem;font-weight:700;font-size:.85rem;cursor:pointer;box-shadow:0 6px 16px -4px rgba(255,29,85,.45);transition:transform .15s;text-decoration:none}
.glass-btn:hover{transform:scale(1.04)}
.glass-input{background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:999px;padding:.5rem 1rem;font-size:.9rem;outline:none;color:var(--ink);font-family:inherit;transition:border-color .2s}
.glass-input:focus{border-color:rgba(255,29,85,.4)}
.sec-h{display:flex;align-items:center;justify-content:space-between;margin:2.4rem 0 1.2rem;padding:0 .3rem}
.sec-h h2{font-size:1.15rem;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.sec-h .more{font-size:.8rem;color:var(--primary);font-weight:700;text-decoration:none;background:var(--glass);border:1px solid rgba(255,29,85,.18);padding:.35rem .9rem;border-radius:999px;transition:all .2s}
.sec-h .more:hover{background:var(--grad);color:#fff}
.yz-top{position:fixed;right:22px;bottom:88px;z-index:9998;width:42px;height:42px;border:none;border-radius:50%;background:var(--grad);color:#fff;font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 8px 18px -6px rgba(255,29,85,.55);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,transform .25s;display:flex;align-items:center;justify-content:center;line-height:1;padding:0}
.yz-top:hover{transform:translateY(-2px)}
.yz-top.show{opacity:1;visibility:visible}
.yz-mnav{display:none}
@media (max-width:768px){
  .yz-mnav{position:fixed;bottom:0;left:0;right:0;z-index:9999;display:grid;grid-template-columns:repeat(4,1fr);background:var(--glass-strong);backdrop-filter:blur(14px);border-top:1px solid var(--glass-border);height:52px;box-shadow:0 -2px 10px rgba(0,0,0,.06)}
  .yz-mnav a{display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-size:13px;font-weight:600;text-decoration:none;border-right:1px solid rgba(255,255,255,.5)}
  .yz-mnav a:last-child{border-right:none}
  .yz-mnav a:hover{color:var(--primary);background:rgba(255,255,255,.6)}
  body{padding-bottom:52px}
}
/* 暗黑模式（配合 dark.js 的 .dark class） */
.dark{color-scheme:dark}
.dark body{background:#0f172a;color:#e2e8f0}
.dark .glass{background:rgba(30,41,59,.6);border-color:rgba(51,65,85,.6);box-shadow:none}
.dark .glass-strong,.dark .yz-mnav{background:rgba(15,23,42,.9);border-color:#334155}
.dark .hero-title,.dark h1,.dark h2,.dark h3,.dark .sec-h h2{color:#e2e8f0}
.dark .hero-sub,.dark .sec-h .more{color:#94a3b8}
.dark .hero-badge{background:rgba(30,41,59,.6);border-color:rgba(255,29,85,.3);color:#ff7a95}
.dark .glass-input{background:rgba(30,41,59,.6);border-color:#334155;color:#e2e8f0}
.dark .yz-mnav a{color:#94a3b8}
.dark .yz-mnav a:hover{color:#ff7a95;background:#1e293b}