.stock-research-nav {
    --srn-panel:#f5f8fc; --srn-text:#52617a; --srn-border:#dce5ef;
    --srn-active:#147957; --srn-active-bg:#e1f3ea; --srn-hover:#eaf0f7;
    display:flex; align-items:center; gap:18px; box-sizing:border-box;
    width:min(1480px,calc(100% - 32px)); margin:6px auto 8px; padding:6px 10px;
    border:1px solid var(--srn-border); border-radius:12px; background:var(--srn-panel);
    font-family:inherit; font-size:14px; line-height:1.4;
}
[data-theme="dark"] .stock-research-nav {
    color-scheme:dark; --srn-panel:#172033; --srn-text:#bccade; --srn-border:#2c3b54;
    --srn-active:#65e6a1; --srn-active-bg:#193d37; --srn-hover:#243149;
}
.stock-research-nav__context { display:flex; align-items:center; gap:8px; flex-shrink:0; padding-left:4px; color:var(--srn-text); font-size:12px; }
.stock-research-nav__context strong { padding:3px 7px; border:1px solid var(--srn-border); border-radius:6px; font-size:12px; font-variant-numeric:tabular-nums; }
.stock-research-nav__context strong:empty { display:none; }
.stock-research-nav__links { display:grid; grid-template-columns:repeat(7,minmax(0,1fr)); flex:1; min-width:0; gap:4px; margin:0; padding:0; list-style:none; }
.stock-research-nav__links > li { min-width:0; margin:0; padding:0; }
.stock-research-nav .stock-research-nav__link { display:flex; align-items:center; justify-content:center; box-sizing:border-box; min-height:44px; padding:9px 12px; border:1px solid transparent; border-radius:8px; color:var(--srn-text); font-size:14px; font-weight:500; line-height:1.4; text-decoration:none; white-space:nowrap; transition:background-color .15s,color .15s; }
.stock-research-nav .stock-research-nav__link:hover { color:var(--srn-active); background:var(--srn-hover); text-decoration:none; }
.stock-research-nav .stock-research-nav__link[aria-current="page"] { color:var(--srn-active); background:var(--srn-active-bg); border-color:var(--srn-active); font-weight:700; }
.stock-research-nav .stock-research-nav__link:focus-visible { outline:2px solid var(--srn-active); outline-offset:1px; }
@media(max-width:900px) { .stock-research-nav__context { display:none; } }
@media(max-width:600px) {
    .stock-research-nav { width:calc(100% - 20px); margin:4px auto 6px; padding:5px; border-radius:10px; }
    .stock-research-nav__links { grid-template-columns:repeat(4,minmax(0,1fr)); gap:4px; }
    .stock-research-nav .stock-research-nav__link { padding:8px 3px; font-size:13px; }
}
@media(prefers-reduced-motion:reduce) { .stock-research-nav .stock-research-nav__link { transition:none; } }