:root{--kf-1oj37:#07C7F2;--kf-wblcd:#1AD8EA;--kf-1dv44:#EC3C51;--kf-1s3l1:#0C1B22;--kf-1hlow:#16252D;--kf-1ynpg:#E2EAEE;--kf-s8siz:#9CB0BA;--kf-p71l7:#2B4350;--kf-t5o0p:#47D9FA;--kf-1nrru:#073640;--kf-1fqpf:14px;--kf-5d0xo:0.86rem;--kf-1lde8:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--kf-1sjut:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--kf-1aff4:1240px;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:4.5rem}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--kf-1s3l1);color:var(--kf-1ynpg);font:17px/1.85 var(--kf-1lde8);overflow-wrap:anywhere}
a{color:var(--kf-t5o0p);text-underline-offset:3px}
a:focus-visible,summary:focus-visible{outline:2px solid var(--kf-t5o0p);outline-offset:3px;border-radius:3px}
svg{display:block}
h1,h2,h3{font-family:var(--kf-1sjut);line-height:1.3;margin:0;color:var(--kf-1ynpg)}
.kf-d83ga{max-width:var(--kf-1aff4);margin:0 auto;padding:0 1.25rem}
/* top bar */
.kf-jxfr5{border-bottom:1px solid var(--kf-p71l7)}
.kf-jxfr5 .kf-d83ga{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:3.5rem}
.kf-rgpp6{display:flex;align-items:center;gap:.55rem;color:var(--kf-1ynpg);text-decoration:none;font-weight:700;font-size:.95rem;min-width:0}
.kf-rgpp6 .kf-q99vc{width:26px;height:26px;flex:none}
.kf-1q8jk{font-size:.8rem;color:var(--kf-s8siz);white-space:nowrap}
/* intro */
.kf-1lbze{position:relative;overflow:hidden;background:radial-gradient(120% 90% at 85% 40%,color-mix(in srgb,var(--kf-1oj37) 22%,var(--kf-1s3l1)),var(--kf-1s3l1) 70%)}
.kf-1lbze .kf-d83ga{position:relative;min-height:min(78vh,640px);display:flex;flex-direction:column;justify-content:center;padding-top:calc(var(--kf-5d0xo)*4);padding-bottom:calc(var(--kf-5d0xo)*4)}
.kf-16nl3{position:absolute;right:-4%;top:50%;transform:translateY(-50%);width:min(56%,700px);pointer-events:none}
.kf-16nl3 .kf-yc9nn{width:100%;height:auto}
.kf-19b1n{position:relative;max-width:36rem}
.kf-1ipx1{margin:0 0 1.2rem;font-size:.8rem;letter-spacing:.2em;color:var(--kf-t5o0p);font-weight:700}
.kf-1lbze h1{font-size:clamp(2.2rem,6.4vw,4.4rem);font-weight:900;letter-spacing:-.01em;line-height:1.12}
.kf-zebhu{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--kf-s8siz);margin:1.4rem 0 2rem;line-height:1.7}
.kf-1pfdt{align-self:flex-start;display:inline-flex;align-items:center;gap:.6rem;padding:.8rem 1.4rem;border-radius:999px;background:var(--kf-1oj37);color:var(--kf-1nrru);font-weight:700;text-decoration:none}
.kf-1pfdt svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2}
.kf-1pfdt:hover{background:var(--kf-wblcd)}
/* layout */
.kf-1cukn{display:grid;grid-template-columns:220px minmax(0,1fr);gap:calc(var(--kf-5d0xo)*4);align-items:start}
.kf-10f2h{position:sticky;top:2rem;padding-top:calc(var(--kf-5d0xo)*4)}
.kf-1eokq{margin:0 0 .8rem;font-size:.72rem;letter-spacing:.24em;color:var(--kf-s8siz);font-weight:700}
.kf-10f2h ol{list-style:none;margin:0;padding:0;counter-reset:kf-7dwfx;border-left:2px solid var(--kf-p71l7)}
.kf-10f2h li{counter-increment:kf-7dwfx}
.kf-10f2h .kf-jv4hg::after{content:"";counter-increment:kf-7dwfx}
.kf-10f2h .kf-13p0q{counter-increment:none}
.kf-10f2h a{display:flex;gap:.7rem;padding:.42rem 0 .42rem 1rem;margin-left:-2px;border-left:2px solid transparent;color:var(--kf-s8siz);text-decoration:none;font-size:.9rem;line-height:1.45}
.kf-10f2h a::before{flex:none;content:counter(kf-7dwfx,decimal-leading-zero);font-variant-numeric:tabular-nums;font-weight:700;font-size:.78rem;padding-top:.1rem;color:color-mix(in srgb,var(--kf-s8siz) 70%,transparent)}
.kf-10f2h .kf-13p0q a::before{content:"+"}
.kf-10f2h a:hover{color:var(--kf-1ynpg)}
.kf-10f2h a.kf-1nrru{color:var(--kf-1ynpg);border-left-color:var(--kf-1oj37);font-weight:700}
.kf-10f2h a.kf-1nrru::before{color:var(--kf-t5o0p)}
.kf-scspi{counter-reset:kf-1msrj;min-width:0;max-width:46rem}
/* chapters */
.kf-pxs6b,.kf-lndnn{padding:calc(var(--kf-5d0xo)*4.5) 0 calc(var(--kf-5d0xo)*1.5);border-bottom:1px solid var(--kf-p71l7)}
.kf-pxs6b:not(.guide),.kf-lndnn{counter-increment:kf-1msrj}
.guide{padding:0;border:0}
.kf-1u4er::before,.kf-lndnn::before{content:counter(kf-1msrj,decimal-leading-zero);display:block;font:900 clamp(3rem,7vw,4.6rem)/1 var(--kf-1sjut);color:transparent;-webkit-text-stroke:1.5px var(--kf-1oj37);margin-bottom:.9rem;letter-spacing:-.02em}
.kf-19z5y h2,.kf-lndnn h2{font-size:clamp(1.55rem,3.4vw,2.2rem);font-weight:800;margin-bottom:1.2rem}
.kf-d00la{color:var(--kf-s8siz);margin:-.4rem 0 1.8rem}
.kf-lndnn h3{font-size:1.2rem;margin:2.2rem 0 .6rem}
.kf-lndnn h3::before{content:"";display:inline-block;width:.55rem;height:.55rem;border-radius:50%;background:var(--kf-1dv44);margin-right:.6rem;vertical-align:.18em}
.kf-lndnn p{margin:0 0 1.2rem}
.kf-lndnn>p:first-of-type{font-size:1.12em;color:var(--kf-1ynpg)}
.kf-lndnn ul,.kf-lndnn ol{margin:0 0 1.3rem;padding-left:1.4rem}
.kf-lndnn li{margin:.4rem 0}
.kf-lndnn li::marker{color:var(--kf-t5o0p);font-weight:700}
/* downloads */
.kf-17z3b{list-style:none;margin:0;padding:0;border-top:1px solid var(--kf-p71l7)}
.kf-17z3b a{display:grid;grid-template-columns:2.6rem minmax(0,1fr) auto;align-items:center;gap:1rem;padding:1rem .4rem;border-bottom:1px solid var(--kf-p71l7);color:var(--kf-1ynpg);text-decoration:none}
.kf-17z3b li:last-child a{border-bottom:0}
.kf-17z3b a:hover{background:color-mix(in srgb,var(--kf-1oj37) 8%,transparent)}
.kf-17z3b svg{width:2.6rem;height:2.6rem;padding:.55rem;border-radius:var(--kf-1fqpf);background:color-mix(in srgb,var(--kf-1oj37) 14%,var(--kf-1hlow));fill:none;stroke:var(--kf-t5o0p);stroke-width:1.7}
.kf-17z3b b{display:block;font-size:1.08rem}
.kf-17z3b small{display:block;color:var(--kf-s8siz);font-size:.85rem;line-height:1.4}
.kf-17z3b em{font-style:normal;font-size:.85rem;font-weight:700;color:var(--kf-t5o0p);white-space:nowrap}
/* steps */
.kf-4ax1g h3{font-size:1.15rem;margin-bottom:1.2rem}
.kf-1kbtr{list-style:none;margin:0;padding:0;counter-reset:kf-su46h}
.kf-1kbtr li{counter-increment:kf-su46h;display:grid;grid-template-columns:3.2rem minmax(0,1fr);column-gap:.9rem;padding:1rem 0;border-top:1px dashed var(--kf-p71l7)}
.kf-1kbtr li::before{content:counter(kf-su46h);grid-row:span 2;font:800 2rem/1 var(--kf-1sjut);color:var(--kf-t5o0p)}
.kf-1kbtr strong{font-size:1.02rem}
.kf-1kbtr p{margin:.2rem 0 0;color:var(--kf-s8siz);font-size:.95rem}
/* compare */
.kf-hea1m{overflow-x:auto;margin:0 -.2rem}
.kf-1cquf{width:100%;border-collapse:collapse;font-size:.93rem;min-width:30rem}
.kf-1cquf caption{text-align:left;font-weight:700;padding-bottom:.8rem;caption-side:top}
.kf-1cquf th,.kf-1cquf td{text-align:left;vertical-align:top;padding:.75rem .8rem;border-bottom:1px solid var(--kf-p71l7)}
.kf-1cquf thead th{border-bottom:2px solid var(--kf-1ynpg);font-size:.82rem;letter-spacing:.06em;color:var(--kf-s8siz)}
.kf-1cquf tbody tr:nth-child(odd){background:color-mix(in srgb,var(--kf-1hlow) 70%,transparent)}
/* notes */
.kf-uerqo{display:grid;gap:0}
.kf-1x8qf{display:grid;grid-template-columns:7.5rem minmax(0,1fr);column-gap:1.4rem;padding:1.3rem 0;border-top:1px solid var(--kf-p71l7)}
.kf-cwld7{grid-row:span 2;align-self:start;font-size:.78rem;font-weight:700;color:var(--kf-t5o0p);padding:.2rem .55rem;border:1px solid currentColor;border-radius:var(--kf-1fqpf);text-align:center;line-height:1.5}
.kf-1x8qf[data-verdict="不足"] .kf-cwld7{color:var(--kf-1dv44)}
.kf-1x8qf[data-verdict="提示"] .kf-cwld7{color:var(--kf-s8siz)}
.kf-1x8qf h3{font-size:1.08rem}
.kf-1x8qf p{margin:.35rem 0 0;color:var(--kf-s8siz);font-size:.96rem}
/* faq */
.kf-v6on7 details{border-top:1px solid var(--kf-p71l7)}
.kf-v6on7 details:last-of-type{border-bottom:1px solid var(--kf-p71l7)}
.kf-v6on7 summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;padding:1.1rem 0;font-weight:700;font-size:1.04rem}
.kf-v6on7 summary::-webkit-details-marker{display:none}
.kf-v6on7 summary::after{content:"+";flex:none;width:1.7rem;height:1.7rem;border-radius:50%;border:1px solid var(--kf-p71l7);display:grid;place-items:center;color:var(--kf-t5o0p);font-weight:400}
.kf-v6on7 details[open] summary::after{content:"−";background:var(--kf-1oj37);border-color:var(--kf-1oj37);color:var(--kf-1nrru)}
.kf-v6on7 details p{margin:0 0 1.2rem;color:var(--kf-s8siz)}
/* glossary */
.kf-95p18{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:0;background:var(--kf-p71l7);border:1px solid var(--kf-p71l7);border-radius:var(--kf-1fqpf);overflow:hidden}
.kf-95p18 div{background:var(--kf-1s3l1);padding:1rem 1.1rem}
.kf-95p18 dt{font-weight:800;font-family:var(--kf-1sjut)}
.kf-95p18 dd{margin:.3rem 0 0;color:var(--kf-s8siz);font-size:.92rem;line-height:1.65}
/* more */
.kf-b8qi4{padding:calc(var(--kf-5d0xo)*4.5) 0 calc(var(--kf-5d0xo)*3)}
.kf-b8qi4 h2{font-size:1.3rem;margin-bottom:1.2rem}
.kf-awr92{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}
.kf-b8qi4 h3,.fapnet-latest h2{font-size:.78rem;letter-spacing:.2em;color:var(--kf-s8siz);margin:0 0 .6rem;font-family:var(--kf-1lde8)}
.kf-nkwqh{display:flex;flex-direction:column}
.kf-nkwqh a,.fapnet-latest a{display:block;padding:.5rem 0;border-bottom:1px solid var(--kf-p71l7);text-decoration:none;color:var(--kf-1ynpg);font-size:.95rem}
.kf-nkwqh a:hover,.fapnet-latest a:hover{color:var(--kf-t5o0p)}
.fapnet-latest{margin-top:2rem}
.fapnet-latest ul{list-style:none;margin:0;padding:0}
.kf-1o3xf{display:flex;flex-wrap:wrap;gap:.5rem}
.kf-1o3xf a{padding:.3rem .8rem;border-radius:999px;background:color-mix(in srgb,var(--kf-1oj37) 12%,var(--kf-1hlow));color:var(--kf-1ynpg);text-decoration:none;font-size:.88rem}
.kf-1o3xf a:hover{background:var(--kf-1oj37);color:var(--kf-1nrru)}
/* footer */
.kf-1k6zh{border-top:1px solid var(--kf-p71l7);font-size:.84rem;color:var(--kf-s8siz)}
.kf-1k6zh .kf-d83ga{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;padding-top:1.3rem;padding-bottom:1.3rem}
.kf-1k6zh p{margin:0}
.top{position:fixed;right:1rem;bottom:1rem;z-index:20;display:inline-flex;align-items:center;gap:.35rem;padding:.55rem .9rem;border-radius:999px;background:var(--kf-1hlow);border:1px solid var(--kf-p71l7);color:var(--kf-1ynpg);font-size:.82rem;text-decoration:none;box-shadow:0 6px 20px color-mix(in srgb,var(--kf-1ynpg) 14%,transparent);transition:opacity .2s,transform .2s}
.top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.2}
.kf-18n26 .top:not(.kf-v4qqx){opacity:0;transform:translateY(.6rem);pointer-events:none;visibility:hidden}
@media (max-width:900px){
.kf-1cukn{grid-template-columns:minmax(0,1fr);gap:0}
.kf-10f2h{top:0;z-index:15;padding:.55rem 0;margin:0 -1.25rem;background:color-mix(in srgb,var(--kf-1s3l1) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--kf-p71l7)}
.kf-1eokq{position:absolute;left:-999px}
.kf-10f2h ol{display:flex;gap:.4rem;overflow-x:auto;border:0;padding:0 1.25rem;scrollbar-width:none}
.kf-10f2h ol::-webkit-scrollbar{display:none}
.kf-10f2h a{white-space:nowrap;max-width:14em;overflow:hidden;text-overflow:ellipsis;display:block;margin:0;padding:.35rem .85rem;border:1px solid var(--kf-p71l7);border-radius:999px;font-size:.84rem}
.kf-10f2h a::before{margin-right:.4rem}
.kf-10f2h a.kf-1nrru{background:var(--kf-1oj37);border-color:var(--kf-1oj37);color:var(--kf-1nrru)}
.kf-10f2h a.kf-1nrru::before{color:var(--kf-1nrru)}
.kf-scspi{max-width:none}
}
@media (max-width:640px){
body{font-size:16px}
.kf-1q8jk{display:none}
.kf-1lbze .kf-d83ga{min-height:0;padding-top:calc(var(--kf-5d0xo)*3);padding-bottom:calc(var(--kf-5d0xo)*3)}
.kf-16nl3{width:130%;right:-55%;top:auto;bottom:-15%;transform:none;opacity:.22}
.kf-pxs6b,.kf-lndnn{padding-top:calc(var(--kf-5d0xo)*3)}
.kf-1x8qf{grid-template-columns:minmax(0,1fr)}
.kf-cwld7{grid-row:auto;justify-self:start;margin-bottom:.5rem}
.kf-95p18,.kf-awr92{grid-template-columns:minmax(0,1fr)}
.kf-17z3b em{display:none}
}
@media (prefers-reduced-motion:reduce){.top{transition:none}}
h1{text-wrap:balance}