:root{--bg: #DFE4EE;--text-1: #15171C;--text-2: #616B7A;--text-3: #9AA2B1;--border: #EBEDF2;--border-soft: #F3F4F8;--divider: rgba(17, 24, 39, .075);--brand: #3B5BFE;--brand-hover: #2B47E6;--brand-soft: #EEF1FF;--brand-line: #CFD8FF;--purple: #7C5CFF;--purple-soft: #F2EEFF;--green: #10B47B;--green-soft: #E6F7F0;--amber: #F0970A;--amber-soft: #FFF4E3;--red: #EF4444;--red-soft: #FEEDEC;--glass-bg: rgba(255, 255, 255, .74);--glass-bg-strong: rgba(255, 255, 255, .88);--glass-bg-soft: rgba(255, 255, 255, .55);--glass-border: rgba(255, 255, 255, .85);--glass-edge: rgba(17, 24, 39, .06);--glass-inner: inset 0 1px 0 rgba(255, 255, 255, 1);--glass-blur: saturate(160%) blur(22px);--glass-blur-sm: saturate(160%) blur(12px);--sh-xs: 0 1px 2px rgba(30, 40, 70, .06);--sh-sm: 0 2px 8px rgba(30, 40, 70, .08);--sh-md: 0 10px 28px rgba(30, 40, 70, .1);--sh-lg: 0 28px 64px rgba(30, 40, 70, .16), 0 6px 18px rgba(30, 40, 70, .07);--sh-brand: 0 6px 18px rgba(59, 91, 254, .32);--r-chip: 9px;--r-card: 16px;--r-panel: 22px;--r-pill: 999px;--s1: 4px;--s2: 8px;--s3: 12px;--s4: 16px;--s5: 20px;--s6: 24px;--s8: 32px;--s12: 48px;--s16: 64px;--fs-label: 11px;--fs-meta: 12px;--fs-body: 17px;--fs-h3: 17px;--fs-h2: 20px;--fs-h1: 28px;--lh-tight: 1.4;--lh-body: 1.95;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;--mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--w-app: 1400px;--w-side: 212px;--w-rail: 206px;--t-fast: .16s ease}.doc.paper{--glass-bg: rgba(17, 24, 39, .028);--glass-bg-strong: rgba(17, 24, 39, .04);--glass-bg-soft: rgba(17, 24, 39, .022);--glass-border: rgba(17, 24, 39, .07);--glass-edge: rgba(17, 24, 39, .06);--glass-inner: inset 0 1px 0 rgba(255, 255, 255, .9)}*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}body{background:radial-gradient(125% 85% at 50% -12%,#e9eff9,#d6dfed 58%,#cbd5e6);color:var(--text-1);font-family:var(--font);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;padding:0;position:relative;min-height:100vh}img,svg{max-width:100%}img{height:auto}a{color:var(--brand);text-decoration:none}button{font-family:inherit;cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:where(a,button,summary):focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}.app{max-width:var(--w-app);margin:0 auto;display:flex;position:relative;overflow:hidden;background:#ffffffd1;border:1px solid rgba(255,255,255,.85);border-radius:var(--r-panel);box-shadow:var(--sh-lg),inset 0 1px #fff}.side{width:var(--w-side);flex:none;background:#ffffff8c;border-right:1px solid var(--divider);box-shadow:inset -1px 0 #ffffffe6;padding:20px 14px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 8px;margin-bottom:24px}.brand .mark{width:30px;height:30px;flex:none}.brand .name{font-size:15px;font-weight:700;letter-spacing:-.015em;color:var(--text-1)}.nav-cap{font-size:var(--fs-label);color:var(--text-3);letter-spacing:.12em;font-weight:600;padding:0 10px;margin:0 0 7px}.nav{display:flex;flex-direction:column;gap:2px}.nav a{position:relative;display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:11px;color:var(--text-2);font-size:13.5px;transition:all var(--t-fast)}.nav a .ic{flex:none;color:var(--text-3);transition:color var(--t-fast)}.nav a:hover{background:#fffc;color:var(--text-1)}.nav a:hover .ic{color:var(--text-2)}.nav a.on{background:#fffffff2;color:var(--brand);font-weight:600;box-shadow:var(--sh-xs),inset 0 1px #fff}.nav a.on .ic{color:var(--brand)}.nav a.on:before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:3px;height:18px;border-radius:0 4px 4px 0;background:var(--brand);box-shadow:0 0 8px #3b5bfe73}.nav .count{margin-left:auto;font-size:11px;color:var(--text-3);font-variant-numeric:tabular-nums;background:#fffc;border-radius:var(--r-pill);padding:0 7px;line-height:17px}.nav a.on .count{background:var(--brand-soft);color:var(--brand)}.side-foot{margin-top:auto;padding-top:16px}.side-foot .rss{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:11px;color:var(--text-2);font-size:13.5px;background:#ffffff8c;border:1px solid rgba(255,255,255,.85);transition:all var(--t-fast)}.side-foot .rss:hover{color:var(--brand);background:#fffffff2;border-color:var(--brand-line)}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:16px;padding:13px 26px;background:#fffffff2;border-bottom:1px solid var(--divider);box-shadow:inset 0 -1px #ffffffe6,0 2px 10px #1e28460a}.back{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--text-2);padding:5px 10px 5px 7px;border-radius:var(--r-pill);transition:all var(--t-fast)}.back:hover{background:#ffffffe6;color:var(--text-1)}.topbar-name{font-size:13.5px;font-weight:700;letter-spacing:-.01em;color:var(--text-1)}.crumb{display:flex;align-items:center;gap:9px;font-size:var(--fs-meta);color:var(--text-3)}.crumb b{color:var(--text-1);font-weight:600}.crumb i{font-style:normal;color:var(--border)}.crumb a{color:var(--text-3)}.crumb a:hover{color:var(--brand)}.page{display:flex;align-items:flex-start;justify-content:center;width:100%;max-width:1240px;margin:0 auto;gap:44px}.page .doc{max-width:none;margin:0;width:auto}.doc{flex:0 1 880px;min-width:0;order:1;color:var(--text-1);width:100%;margin:0 auto;padding:36px 40px 60px}.doc.paper{background:#fff}.rail{flex:0 0 272px;order:2;border-left:1px solid var(--rule, #E1E8F2);padding:36px 0 48px 28px}.rail-sticky{position:sticky;top:24px}.rail-title{font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:.1em;margin:0 0 10px 11px}.rail-sub{margin-top:30px}.toc{display:flex;flex-direction:column;gap:1px}.toc a{display:grid;grid-template-columns:26px 1fr;align-items:baseline;font-size:13.5px;color:var(--text-2);padding:7px 8px 7px 10px;border-radius:0 8px 8px 0;border-left:2px solid transparent;line-height:1.5;transition:all var(--t-fast)}.toc a .n{font-size:var(--fs-label);font-weight:600;color:var(--text-3);font-variant-numeric:tabular-nums;transition:color var(--t-fast)}.toc a:hover{color:var(--text-1)}.toc a.on{color:var(--brand);font-weight:600;border-left-color:var(--brand)}.toc a.on .n{color:var(--brand);opacity:.7}.related{display:flex;flex-direction:column;gap:13px}.related a{font-size:var(--fs-meta);color:var(--text-2);line-height:1.62;padding-left:11px;border-left:2px solid var(--divider);transition:color var(--t-fast),border-color var(--t-fast)}.related a:hover{color:var(--brand);border-left-color:var(--brand)}.eyebrow-row{display:flex;align-items:center;gap:12px;margin-bottom:18px}.etags{font-size:12px;color:#98a0ae}.eyebrow-row .d7-chip{text-decoration:none}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:16px}.doc h1{font-size:var(--fs-h1);line-height:1.4;font-weight:700;letter-spacing:-.026em;margin-bottom:12px;color:var(--text-1)}.lede{font-size:15px;color:var(--text-2);line-height:1.78;margin-bottom:22px}.byline{display:flex;align-items:center;gap:11px;flex-wrap:wrap;row-gap:8px;padding-bottom:18px;border-bottom:1px solid var(--divider);margin-bottom:18px}.avatar{width:32px;height:32px;border-radius:50%;flex:none;display:block;object-fit:cover;border:1px solid rgba(59,91,254,.24);box-shadow:0 3px 10px #3b5bfe26}.byline .who{font-size:13.5px;color:var(--text-1);font-weight:700}.byline-meta{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;row-gap:8px}.byline .m{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:var(--fs-meta);color:var(--text-3);font-variant-numeric:tabular-nums}.byline .m:not(:last-child):after{content:"";width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.45;display:inline-block;flex:none}.pills{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:26px}.pill{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-meta);font-weight:500;padding:5px 13px;border-radius:var(--r-pill);background:#1118270a;border:1px solid rgba(17,24,39,.05);color:var(--text-2);transition:all var(--t-fast)}.pill:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft)}.pill i{width:5px;height:5px;border-radius:50%;display:block;flex:none}.i-b{background:var(--brand)}.i-g{background:var(--green)}.i-p{background:var(--purple)}.i-a{background:var(--amber)}.tldr{border-radius:14px;padding:20px 24px;margin:0 0 36px;background:#11182707}.tldr .ct{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:.12em;margin-bottom:13px}.tldr ul{list-style:none;display:flex;flex-direction:column;gap:9px}.tldr li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:#3b4152}.tldr li:before{content:"";position:absolute;left:2px;top:.75em;width:5px;height:5px;border-radius:50%;background:#c8ceda}.toc-inline{display:none;margin:0 0 30px;border-radius:12px;overflow:hidden;background:#fff9;border:1px solid var(--glass-border);box-shadow:var(--glass-inner)}.toc-inline summary{display:flex;align-items:center;gap:8px;padding:14px 18px;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--text-2);list-style:none}.toc-inline summary::-webkit-details-marker{display:none}.toc-inline summary:after{content:"";margin-left:auto;width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s ease}.toc-inline[open] summary:after{transform:rotate(-135deg) translateY(-2px)}.toc-inline nav{display:flex;flex-direction:column;padding:0 10px 12px}.toc-inline a{display:grid;grid-template-columns:26px 1fr;align-items:baseline;font-size:13.5px;color:var(--text-2);padding:8px 10px;border-radius:8px}.toc-inline a .n{font-size:var(--fs-label);font-weight:600;color:var(--text-3);font-variant-numeric:tabular-nums}.toc-inline a.on{color:var(--brand);font-weight:600}.toc-inline a.on .n{color:var(--brand)}.prose{font-size:var(--fs-body);line-height:var(--lh-body);color:#26282e;letter-spacing:.004em;counter-reset:h2;max-width:820px}.prose>*+*{margin-top:25px}.prose p{margin:0}.prose h2{counter-increment:h2;font-size:var(--fs-h2);font-weight:700;letter-spacing:-.008em;line-height:1.55;color:#191c22;margin-top:48px;margin-bottom:0;scroll-margin-top:90px}.prose h2:before{content:counter(h2,decimal-leading-zero);font-size:13.5px;font-weight:600;color:#c4cad4;margin-right:9px;font-variant-numeric:tabular-nums}.prose h3{font-size:17px;font-weight:700;color:#191c22;margin-top:34px;margin-bottom:0;scroll-margin-top:90px}.prose strong{font-weight:700;color:#14161a}.prose a{color:#3b5bfe;border-bottom:1px solid #CFD8FF}.prose ul,.prose ol{padding-left:1.35em;display:flex;flex-direction:column;gap:8px}.prose li{line-height:1.85}.prose li::marker{color:#9aa2b1}.prose code{font-family:var(--mono);font-size:.88em;color:#4a5162;background:#1118270b;padding:1.5px 6px;border-radius:5px}.prose pre{background:#0d1117;color:#e6edf3;border-radius:var(--r-card);padding:18px 20px;overflow-x:auto;font-size:13.5px;line-height:1.7;font-family:var(--mono)}.prose pre code{background:none;color:inherit;padding:0;font-size:inherit}.prose blockquote{border-left:3px solid rgba(17,24,39,.075);padding-left:18px;color:#616b7a;font-size:17px}.prose hr{border:0;border-top:1px solid rgba(17,24,39,.075)}.prose table{width:100%;border-collapse:collapse;font-size:15px;border:0;background:none}.prose thead th{background:none;font-weight:600;font-size:var(--fs-meta);color:#a8afba;text-align:left;padding:0 18px 11px 0;letter-spacing:.05em;border-bottom:1px solid rgba(17,24,39,.09)}.prose tbody td{padding:15px 18px 15px 0;border-bottom:1px solid rgba(17,24,39,.055);color:#26282e}.prose tbody tr:last-child td{border-bottom:0}@media(max-width:700px){.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.prose thead th,.prose tbody td{white-space:nowrap;padding-right:16px}}.source{display:flex;align-items:flex-start;gap:10px;padding:18px 0 0;margin-top:32px;border-top:1px solid rgba(17,24,39,.07)}.source .ic{color:#c8ceda;flex:none;margin-top:2px}.source .st{font-size:var(--fs-label);font-weight:700;color:#b9bfc9;letter-spacing:.12em;margin-bottom:4px}.source p{font-size:13.5px;color:var(--text-3);line-height:1.7}.author-card{display:flex;gap:15px;align-items:flex-start;border-radius:var(--r-card);padding:18px 20px;margin-top:36px;background:#11182707;border:1px solid rgba(17,24,39,.06)}.author-card .avatar{width:46px;height:46px}.author-card .an{font-size:15px;font-weight:700;margin-bottom:3px;display:flex;align-items:center;gap:7px;color:#15171c}.author-card .ar{font-size:var(--fs-meta);color:#9aa2b1;margin-bottom:9px}.author-card .bio{font-size:13.5px;color:#616b7a;line-height:1.72;margin-bottom:11px}.author-card .pills{margin-bottom:0;gap:6px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:var(--fs-label);font-weight:700;padding:2px 8px;border-radius:var(--r-pill);letter-spacing:.02em}.badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.badge.new{background:var(--green-soft);color:#0a8a5c}.badge.upd{background:var(--brand-soft);color:var(--brand)}.btn{display:inline-flex;align-items:center;gap:7px;font-size:var(--fs-meta);font-weight:600;padding:7px 15px;border-radius:var(--r-pill);border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text-2);transition:all var(--t-fast);box-shadow:var(--glass-inner)}.btn:hover{border-color:var(--brand-line);color:var(--brand)}.btn.solid{background:var(--brand);border-color:transparent;color:#fff;box-shadow:var(--sh-brand),inset 0 1px #ffffff47}.btn.solid:hover{background:var(--brand-hover);color:#fff}.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(272px,1fr))}.card,.cat-card,.others-list a,.way,.way a{position:relative;border-radius:var(--r-card);background:#fff;border:1px solid var(--divider);box-shadow:0 1px 2px #1e28460a;transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast)}.card:hover,.cat-card:hover,.others-list a:hover,.way:hover{border-color:var(--brand-line);box-shadow:0 10px 28px #1e28461a;transform:translateY(-3px)}.card>*,.cat-card>*,.others-list a>*,.way>*{position:relative;z-index:1}.card,.cat-card{display:flex;flex-direction:column;gap:10px;padding:20px}.card h3,.cat-card .cn{color:#15171c}.card:hover h3,.cat-card:hover .cn{color:#3b5bfe}.card p,.cat-card .cd{color:#616b7a}.profile{position:relative;overflow:hidden;border-radius:var(--r-card);padding:26px 28px;background:#ffffffeb;border:1px solid rgba(255,255,255,.95);box-shadow:0 10px 30px #1e28461a,inset 0 1px #fff}.profile:before{content:"";position:absolute;inset:0 0 auto;height:48%;border-radius:var(--r-card) var(--r-card) 0 0;pointer-events:none;background:linear-gradient(180deg,#ffffffb3,#fff0)}.profile>*{position:relative;z-index:1}.empty{border-radius:var(--r-card);padding:44px 24px;text-align:center;background:#fff;border:1px dashed var(--divider)}.empty .ei{width:44px;height:44px;margin:0 auto 14px;border-radius:13px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand)}.empty p{font-size:13.5px;color:var(--text-2);line-height:1.75}.empty p+p{margin-top:6px;font-size:var(--fs-meta);color:var(--text-3)}.fab{position:fixed;right:38px;bottom:38px;z-index:60;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.95);background:#ffffffe6;backdrop-filter:var(--glass-blur-sm);-webkit-backdrop-filter:var(--glass-blur-sm);box-shadow:0 10px 26px #1e284629,inset 0 1px #fff;display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:all .18s ease}.fab:hover{transform:translateY(-3px);color:var(--brand)}.foot{padding:22px 26px}.foot p{font-size:var(--fs-meta);color:var(--text-3);line-height:1.8}.foot a{color:var(--text-2)}.foot a:hover{color:var(--brand)}@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){.app{background:#ffffffeb}.side{background:#fafbfdeb}.topbar{background:#fffffff5}.card,.cat-card,.others-list a,.tag,.way,.profile,.fab{background:#fff}}@media(max-width:1040px){.rail{display:none}.toc-inline{display:block}.side{width:64px;padding:20px 10px}.brand .name,.nav-cap,.nav a span:not(.count),.side-foot .rss span{display:none}.nav a{justify-content:center;padding:9px}.nav .count{display:none}.side-foot .rss{justify-content:center}}@media(max-width:640px){body{padding:0 0 40px}.doc,.doc.paper{padding:22px 18px 40px}.doc h1{font-size:24px}.crumb{display:none}.byline-meta{margin-left:0}.fab{right:16px;bottom:20px}.prose{font-size:17px}.prose h2{margin-top:38px}}:root{--d7-tint: #FBFCFE;--d7-rule: #E1E8F2;--d7-rule-soft: #EDF1F7;--d7-ink: #0F1319;--d7-ink-2: #5A6273;--d7-ink-3: #98A0AE;--d7-hair: rgba(59, 91, 254, .14);--d7-brand-deep: #22379E;--d7-data-soft: #E2E9FA;--d7-c-start: #10B47B;--d7-c-how: #3B5BFE;--d7-c-guide: #E8940A;--d7-c-log: #7C5CFF}.d7-card{background:#ffffffd1;border:1px solid var(--d7-rule);border-radius:14px;transition:border-color .18s,box-shadow .18s,transform .18s}.d7-card:hover{border-color:var(--brand-line);box-shadow:0 18px 38px #162c601a;transform:translateY(-2px)}.d7-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:650;letter-spacing:.04em;background:#ffffffb3;border:1px solid var(--d7-rule);border-radius:6px;padding:3px 8px;color:var(--d7-ink-2);white-space:nowrap}.d7-chip i{width:6px;height:6px;border-radius:50%;flex:none;display:block}.d7-i-start{background:var(--d7-c-start)}.d7-i-how{background:var(--d7-c-how)}.d7-i-guide{background:var(--d7-c-guide)}.d7-i-log{background:var(--d7-c-log)}.d7-btn{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:650;color:var(--d7-ink-2);border:1px solid var(--d7-rule);border-radius:999px;padding:11px 16px;background:#fffc;transition:.18s;white-space:nowrap;cursor:pointer}.d7-btn:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}.d7-btn.solid{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px #3b5bfe42}.d7-btn.solid:hover{background:#2b47e6;border-color:#2b47e6;color:#fff}.d7-link{color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-color:#3b5bfe59;text-underline-offset:4px}.d7-link:hover{text-decoration-color:var(--brand)}.d7-mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.d7-title-ink{color:var(--d7-ink)}.mast{padding-top:2px}.mast-top{display:flex;align-items:center;gap:26px;height:64px}.mast .logo{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}.mast .lav{width:30px;height:30px;border-radius:50%;object-fit:cover;flex:none;border:1px solid rgba(59,91,254,.25)}.mast .ltxt{display:flex;flex-direction:column;gap:1px}.mast .lnm{font-size:17px;font-weight:700;line-height:1.12;color:var(--d7-ink)}.mast .lsub{font-size:11px;color:var(--d7-ink-3);letter-spacing:.08em;line-height:1.2}.mast .search{flex:1;max-width:400px;margin-left:auto;display:flex;align-items:center;gap:9px;background:#ffffffb8;border:1px solid var(--brand-line);border-radius:999px;padding:11px 15px;font-size:13.5px;color:var(--d7-ink-3);transition:.18s}.mast .search:hover{background:#fff;color:var(--d7-ink-2);box-shadow:0 0 0 3px #3b5bfe12}.mast .search svg{flex:none;opacity:.55}.mast .search kbd{margin-left:auto;font-family:var(--mono);font-size:11px;background:#fff;border:1px solid var(--d7-rule);border-radius:4px;padding:1px 5px;color:#a9b0be}.mast-act{display:flex;align-items:center;gap:10px;flex:none}.mast .rssbtn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--brand-line);border-radius:999px;padding:11px 15px;font-size:12px;font-weight:650;color:var(--brand);background:#ffffffb8;transition:.18s}.mast .rssbtn:hover{background:var(--brand);border-color:var(--brand);color:#fff}.mast-nav{min-height:62px;display:flex;align-items:center;gap:24px;position:relative}.mast-nav:before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--d7-rule-soft)}.mast-nav .mn{display:flex;gap:22px}.mast-nav .mn a{font-size:13.5px;color:var(--d7-ink-2);font-weight:500;padding:10px 0;position:relative;white-space:nowrap}.mast-nav .mn a:hover,.mast-nav .mn a.on{color:var(--brand)}.mast-nav .mn a.on:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;background:var(--brand)}.mast-nav .num{font-family:var(--mono);font-size:11px;color:var(--d7-ink-3);margin-left:5px}.mast-nav .mn a.on .num{color:var(--brand)}.mast-nav .midx{margin-left:auto;display:flex;align-items:center;gap:18px;font-size:12px;color:var(--d7-ink-3)}.mast-nav .midx a{padding:11px 0}.mast-nav .midx a:hover{color:var(--brand)}.mast-nav .live{font-family:var(--mono);font-size:12px;display:inline-flex;align-items:center;gap:6px}.mast-nav .live b{width:6px;height:6px;border-radius:50%;background:#10b47b;display:block;box-shadow:0 0 0 3px #10b47b29}.site-foot{margin-top:56px;padding-top:34px;border-top:1px solid var(--d7-rule)}.site-foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}.site-foot h5{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--brand);margin-bottom:13px}.site-foot ul{list-style:none}.site-foot ul li{padding:0}.site-foot ul a{display:block;padding:5px 0;font-size:12px;line-height:2.1;color:var(--d7-ink-2)}.site-foot ul a:hover{color:var(--brand)}.site-foot .bn{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--d7-ink)}.site-foot .bd{font-size:12px;line-height:1.85;color:var(--d7-ink-3);max-width:280px}.site-foot .bar{margin-top:26px;padding-top:18px;border-top:1px solid var(--d7-rule-soft);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--d7-ink-3)}.site-foot .bar .r{font-family:var(--mono);font-size:11px;color:#a9b0be}.site-foot .bar a{color:var(--d7-ink-3);padding:11px 0}.site-foot .bar a:hover{color:var(--brand)}@media(max-width:900px){.mast .search{flex:none;padding:11px;min-height:44px;min-width:44px;justify-content:center}.mast .search .s-txt,.mast .search kbd{display:none}.mast-nav .mn{gap:14px;overflow-x:auto}.mast-nav .midx{display:none}.site-foot .cols{grid-template-columns:1fr 1fr;gap:24px}}.shell[data-astro-cid-37fxchfa]{width:100%;min-height:100vh;display:flex;flex-direction:column;position:relative;background:#fff}.content[data-astro-cid-37fxchfa]{min-width:0;flex:1}.mast-top[data-astro-cid-37fxchfa],.mast-nav[data-astro-cid-37fxchfa],.site-foot[data-astro-cid-37fxchfa] .cols[data-astro-cid-37fxchfa],.site-foot[data-astro-cid-37fxchfa] .bar[data-astro-cid-37fxchfa]{max-width:var(--w-app);margin-left:auto;margin-right:auto;padding-left:40px;padding-right:40px}.mast-nav[data-astro-cid-37fxchfa]:before{left:0;right:0}.content[data-astro-cid-37fxchfa]>section+section{border-top:1px solid var(--d7-rule)}.content[data-astro-cid-37fxchfa]>div>section+section{border-top:1px solid var(--d7-rule)}@media(max-width:900px){.mast-top[data-astro-cid-37fxchfa],.mast-nav[data-astro-cid-37fxchfa],.site-foot[data-astro-cid-37fxchfa] .cols[data-astro-cid-37fxchfa],.site-foot[data-astro-cid-37fxchfa] .bar[data-astro-cid-37fxchfa]{padding-left:20px;padding-right:20px}}@media(max-width:640px){.shell[data-astro-cid-37fxchfa]{border-radius:0;border-left:0;border-right:0}.mast-top[data-astro-cid-37fxchfa]{padding:12px 16px;gap:10px}.mast-nav[data-astro-cid-37fxchfa]{padding:9px 16px;flex-direction:column;align-items:stretch;gap:8px}.lsub[data-astro-cid-37fxchfa]{display:none}.mast-act[data-astro-cid-37fxchfa] .rssbtn[data-astro-cid-37fxchfa]{padding:11px 14px}.content[data-astro-cid-37fxchfa]{padding:0 14px 40px}.site-foot[data-astro-cid-37fxchfa]{padding:26px 18px 20px}.site-foot[data-astro-cid-37fxchfa] .bar[data-astro-cid-37fxchfa]{padding:0;flex-wrap:wrap;gap:6px}}