/* ===== L7 卡片网格 + 标签云 · 靛 ===== */

.l7-top{text-align:center;padding:34px 0 10px}
.l7-top h1{font-size:29px;margin:0 0 18px;color:var(--c-text)}
.l7-search{display:flex;max-width:520px;margin:0 auto;border:1px solid var(--c-line);background:#fff;border-radius:999px;padding:4px;box-shadow:0 6px 20px rgba(67,56,202,.08)}
.l7-search input{flex:1;border:0;outline:0;padding:10px 18px;font-size:14.5px;background:transparent}
.l7-search button{border:0;background:var(--c-brand-grad);color:#fff;border-radius:999px;padding:0 22px;font-weight:700;cursor:pointer;letter-spacing:.5px}
.l7-cloud{margin:16px 0 22px;display:flex;flex-wrap:wrap;justify-content:flex-start;gap:9px 14px}
.l7-cloud a{color:var(--c-sub);transition:.15s}
.l7-cloud a:hover{color:var(--c-primary)}
.l7-catbar{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-start;margin:18px 0 24px}
.l7-catbar a{font-size:13px;padding:6px 15px;border:1px solid var(--c-line);border-radius:999px;background:#fff;color:var(--c-text-2)}
.l7-catbar a:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.l7-sec{margin:24px 0}
.l7-sec h2{font-size:16px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.l7-sec h2 em{font-style:normal;font-size:11.5px;background:var(--c-bg-2);color:var(--c-primary);padding:1px 8px;border-radius:999px}
.l7-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.l7-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:16px;transition:.2s}
.l7-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(67,56,202,.14);border-color:var(--c-primary-2)}
.l7-card b{font-size:14px;color:var(--c-text)}
.l7-card span{font-size:12.2px;color:var(--c-sub);line-height:1.55}
.l7-arts{margin:26px 0}
.l7-arts h2{font-size:16px;margin:0 0 12px}
.l7-art{display:flex;flex-direction:column;gap:5px;padding:14px 16px;border:1px solid var(--c-line);border-radius:11px;background:#fff;margin-bottom:10px}
.l7-art b{font-size:14px;color:var(--c-text)}
.l7-art span{font-size:12.5px;color:var(--c-sub);line-height:1.6}
.l7-art em{font-style:normal;font-size:11.5px;color:#a9a3c4}
@media(max-width:900px){.l7-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.l7-grid{grid-template-columns:1fr}.l7-top h1{font-size:22px}}

/* ==== L7 header/hero v2 ==== */

/* ===== L7 header：公告条 + 两端布局 ===== */
.h7-head{position:sticky;top:0;z-index:60;background:#fff;padding-top:env(safe-area-inset-top)}
.h7-notice{background:var(--c-primary);color:#fff;font-size:12px}
.h7-notice .container{display:flex;align-items:center;gap:8px;height:30px;letter-spacing:.3px}
.h7-dot{width:6px;height:6px;border-radius:50%;background:#fff;flex:0 0 6px;opacity:.9}
.h7-in{display:flex;align-items:center;height:58px;border-bottom:1px solid var(--c-line)}
.h7-brand{font-size:18px;font-weight:800;flex:0 0 auto;margin-right:auto;letter-spacing:.5px}
.h7-nav{display:flex;align-items:center;gap:15px;overflow-x:auto;scrollbar-width:none;font-size:13px}
.h7-nav::-webkit-scrollbar{display:none}
.h7-nav a{color:var(--c-text-2);white-space:nowrap;padding:2px 0}
.h7-nav a.on{color:var(--c-primary);font-weight:700;box-shadow:inset 0 -2px 0 var(--c-primary)}
.h7-nav a:hover{color:var(--c-primary)}
/* ===== L7 hero：搜索框在标题之上 ===== */
.l7-top{padding:28px 0 6px;text-align:left}
.l7-search{display:flex;max-width:560px;margin:0 0 24px;background:#fff;border:2px solid var(--c-line);border-radius:999px;padding:4px}
.l7-search input{flex:1;min-width:0;border:0;outline:none;padding:8px 16px;background:none;font-size:14px;color:var(--c-text)}
.l7-search button{border:0;border-radius:999px;background:var(--c-brand-grad);color:#fff;padding:0 24px;font-weight:600;cursor:pointer}
.l7-top h1{font-size:30px;margin:0 0 14px;letter-spacing:-.5px}
.l7-cloud{margin-bottom:22px}
@media(max-width:700px){.l7-top h1{font-size:23px}}