:root{color-scheme:dark;--bg:#101418;--panel:#182127;--panel-2:#122426;--line:#31454a;--text:#e6f4ee;--muted:#9ab1ac;--mint:#74e0b7;--cyan:#7dd8ed;--gold:#f0c975;--danger:#ff9b9b;--shadow:0 18px 58px rgba(0,0,0,.28);font-family:Inter,"Microsoft YaHei","PingFang SC","Noto Sans SC",system-ui,sans-serif}
*{box-sizing:border-box}html{min-width:320px;background:var(--bg)}body{min-width:320px;margin:0;background:radial-gradient(circle at 80% 0,#1c3336 0,#101418 44%,#0e1114 100%);color:var(--text);font-size:15px;line-height:1.75}.guide-shell{width:min(1080px,calc(100% - 32px));margin:0 auto;padding:24px 0 58px}.guide-header{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:34px}.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}.brand img{display:block}.brand span{display:grid;gap:1px}.brand strong{font-size:17px;letter-spacing:.03em}.brand small{color:var(--muted);font-size:11px}.guide-header nav{display:flex;gap:16px}.guide-header nav a,.guide-footer a{color:var(--cyan);text-decoration:none}.guide-header nav a:hover,.guide-footer a:hover{text-decoration:underline}.hero{padding:34px clamp(20px,5vw,54px);border:1px solid var(--line);background:linear-gradient(120deg,rgba(23,47,50,.95),rgba(20,29,37,.94));box-shadow:var(--shadow)}.eyebrow{margin:0 0 8px;color:var(--cyan);font-size:11px;letter-spacing:.16em;font-weight:700}.hero h1{margin:0;font-size:clamp(30px,5vw,52px);line-height:1.2}.lede{max-width:800px;margin:18px 0 0;color:#cce0dc;font-size:17px}.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px;color:var(--muted);font-size:13px}.hero-meta b{color:var(--mint);font-weight:600}.warning{margin:18px 0;padding:16px 20px;border-left:4px solid var(--gold);background:rgba(57,47,28,.65);color:#f3e6c8}.warning strong{display:block;color:var(--gold);font-size:16px}.warning p{margin:3px 0 0}.cause{display:grid;grid-template-columns:minmax(200px,.65fr) minmax(0,1.35fr);gap:28px;padding:38px 4px 32px;border-bottom:1px solid var(--line)}h2{margin:0;color:var(--mint);font-size:26px;line-height:1.3}.cause p{margin:0;color:#c5d5d1}.cause code,.solution code{padding:2px 5px;background:#0b1b1e;color:var(--cyan);font:13px Consolas,monospace}.solutions{padding-top:32px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:14px;margin-bottom:16px}.small-note{color:var(--gold);font-size:13px}.solution{display:grid;grid-template-columns:68px minmax(0,1fr);gap:22px;padding:26px 22px;margin:14px 0;border:1px solid var(--line);background:rgba(24,33,39,.92);box-shadow:0 10px 28px rgba(0,0,0,.16)}.solution.recommended{border-color:#3b796b;background:linear-gradient(120deg,rgba(24,49,47,.98),rgba(24,33,39,.94))}.solution.high-risk{border-color:#6d4848}.solution-number{color:var(--cyan);font:700 31px/1 Consolas,monospace}.solution-title{display:flex;align-items:start;justify-content:space-between;gap:12px}.solution-title h3{margin:0;color:#f1f5f2;font-size:21px;line-height:1.35}.solution-content>p{margin:8px 0 15px;color:#c7d6d2}.tag{display:inline-block;margin-bottom:4px;padding:2px 7px;border:1px solid #4da98d;background:#123b36;color:var(--mint);font-size:11px;line-height:1.3}.risk{flex:none;padding:3px 7px;border:1px solid currentColor;font-size:11px;line-height:1.3}.risk.low{color:var(--mint)}.risk.medium{color:var(--gold)}.risk.high{color:var(--danger)}ol{margin:0;padding-left:23px;color:#dce9e5}li{margin:5px 0}li strong{color:#f2f7f3}.tip{margin:16px 0 0;padding:10px 12px;border-left:2px solid var(--cyan);background:#11252a;color:#b8d0cf;font-size:13px;line-height:1.65}.danger-tip{border-left-color:var(--danger);background:#2a1b1e}.checklist{margin-top:32px;padding:28px 22px;border:1px solid var(--line);background:rgba(18,36,38,.84)}.check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}.check-grid div{display:flex;align-items:center;gap:10px;min-height:56px;padding:10px 11px;border-top:2px solid #3f6d71;background:#15282c;color:#cbe2de;font-size:13px}.check-grid b{color:var(--cyan);font:700 18px Consolas,monospace}.guide-footer{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:22px;color:var(--muted);font-size:12px}.guide-footer p{margin:0;flex:1 1 100%}kbd{padding:2px 6px;border:1px solid #506366;border-bottom-width:2px;background:#16262b;color:#e5f4ef;font:12px Consolas,monospace}@media(max-width:720px){.guide-shell{width:min(100% - 22px,1080px);padding-top:14px}.guide-header{align-items:flex-start;margin-bottom:20px}.guide-header nav{gap:10px;font-size:13px}.hero{padding:26px 20px}.lede{font-size:15px}.cause{grid-template-columns:1fr;gap:14px;padding-block:27px}.solution{grid-template-columns:42px minmax(0,1fr);gap:14px;padding:20px 15px}.solution-number{font-size:24px}.solution-title{display:block}.risk{display:inline-block;margin-top:9px}.check-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.guide-header nav{display:grid;justify-items:end;gap:4px}.hero h1{font-size:30px}.hero-meta{display:grid;gap:5px}.solution-title h3{font-size:19px}.check-grid{grid-template-columns:1fr}.guide-footer{display:grid}}
:where(.danger-box){margin-top:16px;padding:12px 14px;border:1px solid #754848;background:#291b1e;color:#e9cccc;font-size:13px;line-height:1.65}.danger-box strong{color:var(--danger)}.danger-box p{margin:5px 0 0}