:root{--bg:#0D0D0D;--deep:#070707;--panel:#171717;--panel2:#222222;--title:#F2F2F2;--text:#C8C8C8;--muted:#9A9A9A;--soft:#6E6E6E;--silver:#C8C8C8;--bright:#E8E8E8;--ink:#1A1A1A;--red:#B85A5A;--line:rgba(232,232,232,.12);--line-strong:rgba(232,232,232,.36);--shadow:0 12px 28px rgba(0,0,0,.45);--radius:12px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:9999;background:var(--bright);color:var(--bg);padding:10px 14px;border-radius:8px}.skip-link:focus{top:10px}
.ink-line{height:22px;background:var(--deep);border-bottom:1px solid var(--line);position:fixed;top:0;left:0;right:0;z-index:1200;font-size:12px}.ink-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--silver);padding:0 8px;height:22px;cursor:pointer}.site-bar{height:60px;background:var(--ink);border-bottom:1px solid var(--line);position:fixed;top:22px;left:0;right:0;z-index:1190}.site-bar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:700;color:var(--title)}.drawer-trigger,.app-link,.icon-button{min-height:44px;border:1px solid var(--line-strong);background:var(--deep);color:var(--bright);border-radius:10px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.drawer-trigger{justify-self:center}.app-link{justify-self:end}.case-tabs{height:40px;position:fixed;top:82px;left:0;right:0;z-index:1180;background:#101010;border-bottom:1px solid var(--line)}.case-tabs-inner{display:flex;justify-content:center;align-items:center;height:40px;gap:8px}.case-tabs a{height:32px;min-width:92px;padding:0 16px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--silver)}.case-tabs a.active{background:var(--silver);color:var(--bg);font-weight:700}.site-main{padding-top:122px;min-height:70vh}

.mt-16{margin-top:16px}.mt-18{margin-top:18px}.mt-20{margin-top:20px}.mt-24{margin-top:24px}.no-margin{margin:0}