/* SEO 知识收录页 · 深空紫金专业风（2026-10-19 升级，PC/移动全自适应） */
*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0f0a1e;--card:rgba(255,255,255,.045);--card-b:rgba(255,255,255,.09);--gold:#ffd76a;--gold2:#c9962e;--txt:#efeaff;--txt2:#a898cf;--txt3:#8578b0;--link:#ffd98a}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);font-size:15px;line-height:1.8;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(900px 500px at 15% -5%,rgba(120,80,220,.22),transparent 60%),radial-gradient(800px 500px at 85% 10%,rgba(200,150,50,.10),transparent 60%),radial-gradient(700px 600px at 50% 110%,rgba(90,60,180,.16),transparent 60%);pointer-events:none;z-index:0}
body::after{content:'';position:fixed;inset:0;background-image:radial-gradient(1px 1px at 20% 30%,rgba(255,255,255,.5),transparent),radial-gradient(1px 1px at 70% 60%,rgba(255,255,255,.35),transparent),radial-gradient(1px 1px at 40% 80%,rgba(255,255,255,.4),transparent);background-size:200px 200px,180px 180px,220px 220px;opacity:.5;pointer-events:none;z-index:0}
a{color:var(--link);text-decoration:none}
.seo-wrap{max-width:1020px;margin:0 auto;padding:0 20px 40px;position:relative;z-index:1}
/* 顶部导航 */
.seo-top{position:sticky;top:0;z-index:40;background:rgba(15,10,30,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,215,106,.14);margin:0 -20px 22px;padding:0 20px}
.seo-top{display:flex;align-items:center;justify-content:space-between;height:58px}
.seo-logo{font-size:19px;font-weight:900;color:var(--gold);letter-spacing:.5px}
.seo-home{font-size:13px;color:var(--gold);border:1px solid rgba(255,215,106,.4);padding:7px 16px;border-radius:10px;font-weight:600;transition:.15s;white-space:nowrap}
.seo-home:hover{background:rgba(255,215,106,.14);transform:translateY(-1px)}
h1{font-size:clamp(24px,3.2vw,32px);font-weight:900;line-height:1.45;background:linear-gradient(90deg,#ffe9ad,#ffd76a 55%,#e8b95a);-webkit-background-clip:text;background-clip:text;color:transparent;margin:6px 0 14px;letter-spacing:.5px}
h2{font-size:clamp(19px,2.4vw,23px);font-weight:800;color:#f0e9ff;margin:30px 0 14px;padding-left:12px;border-left:4px solid var(--gold);line-height:1.5}
h3{font-size:18px;font-weight:700;color:#efe9ff;margin:22px 0 10px}
p{margin:10px 0;color:#cfc7ec}
ul,ol{margin:10px 0 10px 24px;color:#cfc7ec}
li{margin:6px 0}
b,strong{color:var(--gold);font-weight:700}
.seo-crumb{font-size:12.5px;color:var(--txt3);margin-bottom:8px}
.seo-crumb a{color:var(--txt2)}
.seo-crumb a:hover{color:var(--gold)}
/* 卡片网格 */
.seo-card{background:var(--card);border:1px solid var(--card-b);border-radius:16px;padding:20px 22px;margin:16px 0;box-shadow:0 8px 24px rgba(0,0,0,.22)}
.seo-card h2{margin-top:0}
.seo-grid{display:grid;gap:12px;margin:14px 0}
.seo-grid-2{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.seo-grid-3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.seo-grp{background:rgba(255,255,255,.045);border:1px solid var(--card-b);border-radius:13px;padding:16px 17px;transition:.18s}
.seo-grp:hover{border-color:rgba(255,215,106,.35);transform:translateY(-2px)}
.seo-grp h3{margin-top:0;padding-bottom:8px;border-bottom:1px dashed rgba(255,215,106,.2)}
.seo-grp p{font-size:13.5px;color:var(--txt2)}
/* 工具宫格 */
.seo-tools{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));margin:14px 0}
.seo-tool{background:var(--card);border:1px solid var(--card-b);border-radius:13px;padding:14px;text-align:center;transition:.18s;display:block}
.seo-tool:hover{border-color:rgba(255,215,106,.45);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.25)}
.seo-tool b{display:block;font-size:13.5px;color:#e9e2fa;margin-bottom:4px}
.seo-tool span{font-size:11.5px;color:var(--txt3)}
.seo-btn{display:inline-block;font-size:13.5px;color:var(--gold);border:1px solid rgba(255,215,106,.4);padding:9px 18px;border-radius:11px;font-weight:600;margin:4px 6px 0 0;transition:.15s;background:rgba(255,215,106,.06)}
.seo-btn:hover{background:rgba(255,215,106,.16);transform:translateY(-1px)}
/* 标签 */
.seo-tag{display:inline-block;font-size:11.5px;color:var(--gold);background:rgba(255,215,106,.1);border:1px solid rgba(255,215,106,.3);padding:2px 10px;border-radius:14px;margin:3px 5px 3px 0}
/* 表格 */
.seo-tb{width:100%;border-collapse:collapse;margin:12px 0;font-size:13.5px;background:var(--card);border-radius:12px;overflow:hidden}
.seo-tb th{background:linear-gradient(135deg,rgba(255,215,106,.16),rgba(139,111,242,.14));color:var(--gold);font-weight:700;padding:11px 12px;border:1px solid var(--card-b);text-align:left}
.seo-tb td{padding:10px 12px;border:1px solid var(--card-b);color:#cfc7ec}
.seo-tb tr:nth-child(even) td{background:rgba(255,255,255,.025)}
.seo-sx{display:inline-block;font-size:15px;font-weight:800;color:#ffe9ad;margin-right:4px}
.seo-dateline{font-size:12.5px;color:var(--txt3);margin:4px 0 12px}
.seo-wiki-more{display:block;text-align:center;margin:22px 0 0;font-size:13.5px;color:var(--gold);background:var(--card);border:1px solid var(--card-b);border-radius:12px;padding:12px;transition:.15s}
.seo-wiki-more:hover{border-color:rgba(255,215,106,.4);background:rgba(255,215,106,.06)}
/* 免责 + 页脚 */
.seo-disc{background:linear-gradient(150deg,rgba(139,111,242,.14),rgba(255,215,106,.06));border:1px solid rgba(255,215,106,.2);border-radius:13px;padding:15px 18px;font-size:12.5px;color:var(--txt2);margin:28px 0 18px;line-height:1.8}
.seo-foot{border-top:1px solid rgba(255,255,255,.09);padding-top:18px;font-size:12.5px;color:var(--txt3);text-align:center;background:rgba(0,0,0,.16);margin:0 -20px;padding:20px}
.seo-foot a{color:var(--txt2);margin:0 8px}
.seo-foot a:hover{color:var(--gold)}
/* 移动端 */
@media(max-width:640px){
.seo-wrap{padding:0 14px 30px}
.seo-top{margin:0 -14px 16px;padding:0 14px}
.seo-top{height:54px}
.seo-logo{font-size:17px}
.seo-home{font-size:12px;padding:6px 13px}
.seo-card{padding:16px 15px}
.seo-grid-2,.seo-grid-3{grid-template-columns:1fr 1fr}
.seo-tools{grid-template-columns:repeat(auto-fit,minmax(100px,1fr))}
ul,ol{margin-left:18px}
.seo-foot{margin:0 -14px}
}