/* ============================================================
   还原精灵 huanyuanjingling.cn — 暗夜时光机(深色沉浸 + 磨砂玻璃 + 霓虹)
   ============================================================ */
:root{
  --primary:#8b5cf6;
  --primary-2:#a78bfa;
  --primary-deep:#6d28d9;
  --accent:#22d3ee;
  --gold:#f59e0b;
  --ink:#ece7f6;
  --ink-soft:#9d93b0;
  --ink-faint:#6b6280;
  --bg:#0b0912;
  --bg-2:#120e1d;
  --card:rgba(255,255,255,.045);
  --card-solid:#151021;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --ok:#34d399;
  --warn:#fbbf24;
  --danger:#f87171;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.7);
  --shadow-sm:0 8px 28px -10px rgba(0,0,0,.6);
  --glow:0 0 30px rgba(139,92,246,.45);
  --font:"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",system-ui,sans-serif;
  --mono:Consolas,"Courier New",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:none}
h1,h2,h3,h4{line-height:1.22;font-weight:700;color:#fff}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ==================== 顶部导航(玻璃) ==================== */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,9,18,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px;text-decoration:none}
.logo img{width:30px;height:30px;flex:0 0 auto}
.logo b{color:var(--primary-2)}
.nav-links{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-size:15px;padding:8px 13px;border-radius:9px;text-decoration:none;white-space:nowrap;transition:.15s}
.nav-links a:hover{color:#fff;background:var(--glass)}
.nav-links a.on{color:#fff;background:rgba(139,92,246,.18);box-shadow:inset 0 0 0 1px rgba(139,92,246,.3)}
.nav-cta{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;padding:9px 18px;border-radius:999px;font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap;box-shadow:var(--glow)}
.nav-cta:hover{filter:brightness(1.08)}
.nav-toggle{display:none;margin-left:auto;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
@media(max-width:920px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg-2);flex-direction:column;padding:12px 24px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
}

/* ==================== Hero(全屏深色 + 还原控制台玻璃卡) ==================== */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 600px at 50% -10%,rgba(139,92,246,.28),transparent 60%),
  radial-gradient(900px 500px at 85% 15%,rgba(34,211,238,.12),transparent 55%),
  var(--bg);
  padding:96px 24px 110px;text-align:center}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.hero .kicker{position:relative;display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase}
.hero h1{position:relative;color:#fff;font-size:clamp(38px,6vw,68px);line-height:1.05;margin:20px auto 18px;font-weight:800;letter-spacing:-1px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--primary-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{position:relative;color:var(--ink-soft);font-size:17.5px;max-width:620px;margin:0 auto 34px}
.hero-cta{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15.5px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:.18s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;box-shadow:var(--glow)}
.btn-ghost{border-color:var(--glass-border);color:var(--ink);background:var(--glass);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--primary-2);color:#fff}
.btn-outline{border-color:var(--primary);color:var(--primary-2);background:transparent}
.btn-outline:hover{background:rgba(139,92,246,.12)}
/* 还原控制台玻璃卡 */
.console{position:relative;max-width:560px;margin:56px auto 0;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:22px;padding:30px 32px;box-shadow:var(--shadow);text-align:left}
.console::after{content:"";position:absolute;top:-1px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,rgba(167,139,250,.6),transparent)}
.console-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.console-head .ct{font-size:13px;color:var(--ink-soft);letter-spacing:1px}
.console-head .cdot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(52,211,153,.18)}
.console-row{display:flex;align-items:center;gap:14px;padding:11px 0;border-bottom:1px solid var(--line)}
.console-row:last-of-type{border-bottom:none}
.console-row .rdot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(139,92,246,.7);flex:0 0 auto}
.console-row .rdot.gold{background:var(--gold);box-shadow:0 0 12px rgba(245,158,11,.7)}
.console-row .rn{flex:1;color:var(--ink);font-size:14.5px;font-weight:600}
.console-row .rt{color:var(--ink-faint);font-size:12.5px;font-family:var(--mono)}
.console-row .rst{color:var(--ok);font-size:12.5px}
.console-cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.console-cta .btn{flex:1;justify-content:center;padding:13px 20px;font-size:14.5px}
@media(max-width:640px){.console{padding:22px 20px}}

/* ==================== 分区通用 ==================== */
.section{padding:70px 0}
.section-head{max-width:660px;margin:0 auto 44px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:9px;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:3px;text-transform:uppercase}
.kicker::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,transparent,var(--accent))}
.kicker::after{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.section-title{font-size:clamp(26px,3.4vw,38px);margin:14px 0 14px;color:#fff}
.section-sub{color:var(--ink-soft);font-size:16.5px}

/* ==================== 参数条(玻璃) ==================== */
.specbar{background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px 26px;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-top:-46px;position:relative;z-index:2}
.specbar .sp b{font-size:20px;color:var(--primary-2);display:block}
.specbar .sp span{font-size:12.5px;color:var(--ink-soft)}

/* ==================== 功能玻璃卡 ==================== */
.panels{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.panel{background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:.2s;position:relative;overflow:hidden}
.panel::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(167,139,250,.5),transparent)}
.panel:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.45);box-shadow:var(--shadow)}
.panel .phead{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel .picon{width:44px;height:44px;border-radius:12px;background:rgba(139,92,246,.16);border:1px solid rgba(139,92,246,.3);display:flex;align-items:center;justify-content:center;color:var(--primary-2);box-shadow:0 0 18px rgba(139,92,246,.25)}
.panel .pstat{font-size:11px;color:var(--ok);font-weight:700;background:rgba(52,211,153,.12);padding:3px 10px;border-radius:99px}
.panel h3{font-size:17px;margin-bottom:8px;color:#fff}
.panel p{font-size:14px;color:var(--ink-soft)}
@media(max-width:860px){.panels{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.panels{grid-template-columns:1fr}}

/* ==================== 竖向时间轴(霓虹) ==================== */
.vtl{max-width:620px;margin:0 auto;position:relative;padding-left:38px}
.vtl::before{content:"";position:absolute;left:13px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--primary-2),var(--primary),var(--accent));box-shadow:0 0 12px rgba(139,92,246,.5)}
.vstep{position:relative;padding:0 0 32px}
.vstep:last-child{padding-bottom:0}
.vstep::before{content:attr(data-n);position:absolute;left:-38px;top:0;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 16px rgba(139,92,246,.55)}
.vstep h3{font-size:17.5px;margin-bottom:6px;color:#fff}
.vstep p{font-size:14.5px;color:var(--ink-soft)}

/* ==================== 平台行(玻璃) ==================== */
.prows{display:flex;flex-direction:column;gap:12px}
.prow{display:flex;align-items:center;gap:18px;background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:16px 22px;box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);transition:.18s}
.prow:hover{border-color:rgba(139,92,246,.45);transform:translateX(4px)}
.prow .ptag{flex:0 0 100px;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;font-weight:700;font-size:13px;text-align:center;padding:9px 6px;border-radius:10px;box-shadow:0 0 16px rgba(139,92,246,.35)}
.prow .pinfo{flex:1;min-width:0}
.prow .pinfo b{font-size:16px;display:block;color:#fff}
.prow .pinfo span{font-size:13px;color:var(--ink-soft)}
.prow .pgo{color:var(--accent);font-weight:700;font-size:14px;white-space:nowrap}
@media(max-width:640px){.prow{flex-wrap:wrap}.prow .ptag{flex:0 0 auto}}

/* ==================== 左右图文 ==================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .split-media{order:2}
.split-copy h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px;color:#fff}
.split-copy p{color:var(--ink-soft);margin-bottom:12px}
.split-copy ul{list-style:none;margin-top:8px}
.split-copy ul li{padding:7px 0 7px 30px;position:relative;color:var(--ink-soft);font-size:15px}
.split-copy ul li::before{content:"";position:absolute;left:0;top:14px;width:15px;height:15px;border-radius:4px;background:linear-gradient(135deg,var(--primary-2),var(--primary));box-shadow:0 0 10px rgba(139,92,246,.5)}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--glass-border)}
.split-media .cap{font-size:12px;color:var(--ink-faint);margin-top:8px;text-align:center}
@media(max-width:820px){.split{grid-template-columns:1fr}.split.rev .split-media{order:0}}

/* ==================== 表格 ==================== */
.table-wrap{overflow-x:auto;border:1px solid var(--glass-border);border-radius:var(--radius);background:var(--card);backdrop-filter:blur(14px);box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:540px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:rgba(139,92,246,.1);color:#fff;font-weight:700;white-space:nowrap}
td{color:var(--ink-soft)}
tr:last-child td{border-bottom:none}
td b{color:#fff}

/* ==================== 提示框 ==================== */
.tip,.callout{border-radius:var(--radius-sm);padding:16px 18px;margin:18px 0;font-size:15px;display:flex;gap:12px;align-items:flex-start;border:1px solid}
.tip{background:rgba(139,92,246,.1);border-color:rgba(139,92,246,.3);color:var(--primary-2)}
.callout{background:rgba(34,211,238,.08);border-color:rgba(34,211,238,.28);color:var(--accent)}
.tip::before{content:"◷";font-weight:700}
.callout::before{content:"↺";font-weight:700}

/* ==================== FAQ ==================== */
.faq{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--glass-border);border-radius:var(--radius-sm);margin-bottom:12px;background:var(--card);backdrop-filter:blur(14px);overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 22px;font-size:16px;font-weight:700;color:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-q::after{content:"+";font-size:24px;color:var(--primary-2);font-weight:700;transition:.2s;flex:0 0 auto}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 18px;color:var(--ink-soft);font-size:15px}
.faq-item.open .faq-a{display:block}

/* ==================== 相关卡片 ==================== */
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);transition:.18s;display:flex;flex-direction:column;gap:9px}
.rel-card:hover{border-color:rgba(139,92,246,.45);transform:translateY(-4px)}
.rel-card .tag{font-size:12px;color:var(--accent);font-weight:700}
.rel-card h4{font-size:16px;color:#fff}
.rel-card p{font-size:13.5px;color:var(--ink-soft)}
@media(max-width:820px){.rel{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.rel{grid-template-columns:1fr}}

/* ==================== 面包屑 ==================== */
.crumb{max-width:1120px;margin:0 auto;padding:20px 24px 0;font-size:13px;color:var(--ink-faint)}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--primary-2)}
.crumb span{color:var(--ink-faint)}

/* ==================== 文章双栏 ==================== */
.article-wrap{max-width:1120px;margin:0 auto;padding:0 24px 64px;display:grid;grid-template-columns:250px 1fr;gap:42px;align-items:start}
.toc{position:sticky;top:90px;background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.toc h4{font-size:13px;letter-spacing:1px;color:var(--ink-soft);margin-bottom:10px;text-transform:uppercase}
.toc a{display:block;font-size:13.5px;color:var(--ink-soft);padding:6px 0;border-left:2px solid var(--line);padding-left:12px;text-decoration:none}
.toc a:hover{color:var(--primary-2);border-color:var(--primary-2)}
.article{min-width:0}
.article-hero{background:linear-gradient(135deg,rgba(139,92,246,.16),rgba(34,211,238,.08));border:1px solid var(--glass-border);border-radius:var(--radius);padding:38px 34px;margin-bottom:26px}
.article-hero h1{color:#fff;font-size:clamp(24px,3.4vw,36px);line-height:1.25;margin:12px 0}
.article-hero .ameta{color:var(--ink-faint);font-size:13px;display:flex;gap:16px;flex-wrap:wrap}
.article-body h2{font-size:23px;margin:34px 0 14px;color:#fff}
.article-body h3{font-size:18px;margin:24px 0 10px;color:#fff}
.article-body p{margin-bottom:14px;color:var(--ink-soft)}
.article-body ul,.article-body ol{margin:0 0 16px 22px}
.article-body li{margin-bottom:8px;color:var(--ink-soft)}
.article-body img{border-radius:var(--radius);margin:20px 0;border:1px solid var(--glass-border)}
.article-body table{margin:18px 0}
@media(max-width:900px){.article-wrap{grid-template-columns:1fr}.toc{position:static;margin-bottom:20px}}

/* ==================== 页脚 ==================== */
.footer{background:var(--bg-2);border-top:1px solid var(--line);color:var(--ink-soft);padding:54px 0 0;margin-top:50px}
.footer-grid{max-width:1120px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer a{display:block;color:var(--ink-soft);font-size:14px;padding:5px 0;text-decoration:none}
.footer a:hover{color:var(--primary-2)}
.footer .fbrand{font-size:18px;font-weight:800;color:#fff;margin-bottom:10px}
.footer .fbrand b{color:var(--primary-2)}
.footer p{font-size:13.5px}
.foot-bottom{border-top:1px solid var(--line);margin-top:38px;padding:18px 24px;text-align:center;font-size:13px;color:var(--ink-faint)}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ==================== 返回顶部 ==================== */
.backtop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;border:none;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:var(--glow);z-index:40;font-size:20px}
.backtop.show{display:flex}

/* ==================== 杂项 ==================== */
.sitemap-links{columns:3;gap:30px}
.sitemap-links a{display:block;padding:6px 0;color:var(--ink-soft);font-size:14.5px;text-decoration:none}
.sitemap-links a:hover{color:var(--primary-2)}
@media(max-width:720px){.sitemap-links{columns:2}}
.pill{display:inline-block;padding:4px 12px;border-radius:99px;background:rgba(139,92,246,.18);color:var(--primary-2);font-size:12px;font-weight:700}
.mb0{margin-bottom:0}
.center{text-align:center}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:720px){.grid-2{grid-template-columns:1fr}}