:root{--dv-18oxg:#10A8F4;--dv-16dqh:#1582EF;--dv-p5sy5:#EB4C64;--dv-1nx1b:#FCFBF8;--dv-1evvd:#FEFDFB;--dv-pyhv9:#282315;--dv-1afwh:#7A725C;--dv-1bltk:#ECE6D4;--dv-9dbql:#066798;--dv-11365:#05202E;--dv-hw6t7:8px;--dv-192ep:1.10rem;--dv-hl632:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--dv-cqyxd:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--dv-1imh8:1220px;color-scheme:light}
*,*::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(--dv-1nx1b);color:var(--dv-pyhv9);font:17px/1.85 var(--dv-hl632);overflow-wrap:anywhere}
a{color:var(--dv-9dbql);text-underline-offset:3px}
a:focus-visible,summary:focus-visible{outline:2px solid var(--dv-9dbql);outline-offset:3px;border-radius:3px}
svg{display:block}
h1,h2,h3{font-family:var(--dv-cqyxd);line-height:1.3;margin:0;color:var(--dv-pyhv9)}
.dv-1af8r{max-width:var(--dv-1imh8);margin:0 auto;padding:0 1.25rem}
/* top bar */
.dv-1t2r5{border-bottom:1px solid var(--dv-1bltk)}
.dv-1t2r5 .dv-1af8r{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:3.5rem}
.dv-lkxz3{display:flex;align-items:center;gap:.55rem;color:var(--dv-pyhv9);text-decoration:none;font-weight:700;font-size:.95rem;min-width:0}
.dv-lkxz3 .dv-12u4x{width:26px;height:26px;flex:none}
.dv-1k4av{font-size:.8rem;color:var(--dv-1afwh);white-space:nowrap}
/* intro */
.dv-ql6je{position:relative;overflow:hidden;background:radial-gradient(120% 90% at 85% 40%,color-mix(in srgb,var(--dv-18oxg) 22%,var(--dv-1nx1b)),var(--dv-1nx1b) 70%)}
.dv-ql6je .dv-1af8r{position:relative;min-height:min(78vh,640px);display:flex;flex-direction:column;justify-content:center;padding-top:calc(var(--dv-192ep)*4);padding-bottom:calc(var(--dv-192ep)*4)}
.dv-x5w4b{position:absolute;right:-4%;top:50%;transform:translateY(-50%);width:min(56%,700px);pointer-events:none}
.dv-x5w4b .dv-tp43p{width:100%;height:auto}
.dv-1vtla{position:relative;max-width:36rem}
.dv-pnahf{margin:0 0 1.2rem;font-size:.8rem;letter-spacing:.2em;color:var(--dv-9dbql);font-weight:700}
.dv-ql6je h1{font-size:clamp(2.2rem,6.4vw,4.4rem);font-weight:900;letter-spacing:-.01em;line-height:1.12}
.dv-1g5y3{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--dv-1afwh);margin:1.4rem 0 2rem;line-height:1.7}
.dv-1vk4k{align-self:flex-start;display:inline-flex;align-items:center;gap:.6rem;padding:.8rem 1.4rem;border-radius:999px;background:var(--dv-18oxg);color:var(--dv-11365);font-weight:700;text-decoration:none}
.dv-1vk4k svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2}
.dv-1vk4k:hover{background:var(--dv-16dqh)}
/* layout */
.dv-uqe5k{display:grid;grid-template-columns:220px minmax(0,1fr);gap:calc(var(--dv-192ep)*4);align-items:start}
.dv-kin86{position:sticky;top:2rem;padding-top:calc(var(--dv-192ep)*4)}
.dv-18t5u{margin:0 0 .8rem;font-size:.72rem;letter-spacing:.24em;color:var(--dv-1afwh);font-weight:700}
.dv-kin86 ol{list-style:none;margin:0;padding:0;counter-reset:dv-1f9ee;border-left:2px solid var(--dv-1bltk)}
.dv-kin86 li{counter-increment:dv-1f9ee}
.dv-kin86 .dv-bpegr::after{content:"";counter-increment:dv-1f9ee}
.dv-kin86 .dv-1ja97{counter-increment:none}
.dv-kin86 a{display:flex;gap:.7rem;padding:.42rem 0 .42rem 1rem;margin-left:-2px;border-left:2px solid transparent;color:var(--dv-1afwh);text-decoration:none;font-size:.9rem;line-height:1.45}
.dv-kin86 a::before{flex:none;content:counter(dv-1f9ee,decimal-leading-zero);font-variant-numeric:tabular-nums;font-weight:700;font-size:.78rem;padding-top:.1rem;color:color-mix(in srgb,var(--dv-1afwh) 70%,transparent)}
.dv-kin86 .dv-1ja97 a::before{content:"+"}
.dv-kin86 a:hover{color:var(--dv-pyhv9)}
.dv-kin86 a.dv-11365{color:var(--dv-pyhv9);border-left-color:var(--dv-18oxg);font-weight:700}
.dv-kin86 a.dv-11365::before{color:var(--dv-9dbql)}
.dv-2wt7f{counter-reset:dv-1g3dr;min-width:0;max-width:46rem}
/* chapters */
.dv-fphwj,.dv-58l3v{padding:calc(var(--dv-192ep)*4.5) 0 calc(var(--dv-192ep)*1.5);border-bottom:1px solid var(--dv-1bltk)}
.dv-fphwj:not(.guide),.dv-58l3v{counter-increment:dv-1g3dr}
.guide{padding:0;border:0}
.dv-1dtmf::before,.dv-58l3v::before{content:counter(dv-1g3dr,decimal-leading-zero);display:block;font:900 clamp(3rem,7vw,4.6rem)/1 var(--dv-cqyxd);color:transparent;-webkit-text-stroke:1.5px var(--dv-18oxg);margin-bottom:.9rem;letter-spacing:-.02em}
.dv-xhxor h2,.dv-58l3v h2{font-size:clamp(1.55rem,3.4vw,2.2rem);font-weight:800;margin-bottom:1.2rem}
.dv-e7ibm{color:var(--dv-1afwh);margin:-.4rem 0 1.8rem}
.dv-58l3v h3{font-size:1.2rem;margin:2.2rem 0 .6rem}
.dv-58l3v h3::before{content:"";display:inline-block;width:.55rem;height:.55rem;border-radius:50%;background:var(--dv-p5sy5);margin-right:.6rem;vertical-align:.18em}
.dv-58l3v p{margin:0 0 1.2rem}
.dv-58l3v>p:first-of-type{font-size:1.12em;color:var(--dv-pyhv9)}
.dv-58l3v ul,.dv-58l3v ol{margin:0 0 1.3rem;padding-left:1.4rem}
.dv-58l3v li{margin:.4rem 0}
.dv-58l3v li::marker{color:var(--dv-9dbql);font-weight:700}
/* downloads */
.dv-1cpip{list-style:none;margin:0;padding:0;border-top:1px solid var(--dv-1bltk)}
.dv-1cpip 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(--dv-1bltk);color:var(--dv-pyhv9);text-decoration:none}
.dv-1cpip li:last-child a{border-bottom:0}
.dv-1cpip a:hover{background:color-mix(in srgb,var(--dv-18oxg) 8%,transparent)}
.dv-1cpip svg{width:2.6rem;height:2.6rem;padding:.55rem;border-radius:var(--dv-hw6t7);background:color-mix(in srgb,var(--dv-18oxg) 14%,var(--dv-1evvd));fill:none;stroke:var(--dv-9dbql);stroke-width:1.7}
.dv-1cpip b{display:block;font-size:1.08rem}
.dv-1cpip small{display:block;color:var(--dv-1afwh);font-size:.85rem;line-height:1.4}
.dv-1cpip em{font-style:normal;font-size:.85rem;font-weight:700;color:var(--dv-9dbql);white-space:nowrap}
/* steps */
.dv-xskul h3{font-size:1.15rem;margin-bottom:1.2rem}
.dv-1sxmo{list-style:none;margin:0;padding:0;counter-reset:dv-1pfyq}
.dv-1sxmo li{counter-increment:dv-1pfyq;display:grid;grid-template-columns:3.2rem minmax(0,1fr);column-gap:.9rem;padding:1rem 0;border-top:1px dashed var(--dv-1bltk)}
.dv-1sxmo li::before{content:counter(dv-1pfyq);grid-row:span 2;font:800 2rem/1 var(--dv-cqyxd);color:var(--dv-9dbql)}
.dv-1sxmo strong{font-size:1.02rem}
.dv-1sxmo p{margin:.2rem 0 0;color:var(--dv-1afwh);font-size:.95rem}
/* compare */
.dv-tko08{overflow-x:auto;margin:0 -.2rem}
.dv-vtlhe{width:100%;border-collapse:collapse;font-size:.93rem;min-width:30rem}
.dv-vtlhe caption{text-align:left;font-weight:700;padding-bottom:.8rem;caption-side:top}
.dv-vtlhe th,.dv-vtlhe td{text-align:left;vertical-align:top;padding:.75rem .8rem;border-bottom:1px solid var(--dv-1bltk)}
.dv-vtlhe thead th{border-bottom:2px solid var(--dv-pyhv9);font-size:.82rem;letter-spacing:.06em;color:var(--dv-1afwh)}
.dv-vtlhe tbody tr:nth-child(odd){background:color-mix(in srgb,var(--dv-1evvd) 70%,transparent)}
/* notes */
.dv-1bb20{display:grid;gap:0}
.dv-1o6ru{display:grid;grid-template-columns:7.5rem minmax(0,1fr);column-gap:1.4rem;padding:1.3rem 0;border-top:1px solid var(--dv-1bltk)}
.dv-3pex4{grid-row:span 2;align-self:start;font-size:.78rem;font-weight:700;color:var(--dv-9dbql);padding:.2rem .55rem;border:1px solid currentColor;border-radius:var(--dv-hw6t7);text-align:center;line-height:1.5}
.dv-1o6ru[data-verdict="不足"] .dv-3pex4{color:var(--dv-p5sy5)}
.dv-1o6ru[data-verdict="提示"] .dv-3pex4{color:var(--dv-1afwh)}
.dv-1o6ru h3{font-size:1.08rem}
.dv-1o6ru p{margin:.35rem 0 0;color:var(--dv-1afwh);font-size:.96rem}
/* faq */
.dv-ijrux details{border-top:1px solid var(--dv-1bltk)}
.dv-ijrux details:last-of-type{border-bottom:1px solid var(--dv-1bltk)}
.dv-ijrux 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}
.dv-ijrux summary::-webkit-details-marker{display:none}
.dv-ijrux summary::after{content:"+";flex:none;width:1.7rem;height:1.7rem;border-radius:50%;border:1px solid var(--dv-1bltk);display:grid;place-items:center;color:var(--dv-9dbql);font-weight:400}
.dv-ijrux details[open] summary::after{content:"−";background:var(--dv-18oxg);border-color:var(--dv-18oxg);color:var(--dv-11365)}
.dv-ijrux details p{margin:0 0 1.2rem;color:var(--dv-1afwh)}
/* glossary */
.dv-1owm8{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:0;background:var(--dv-1bltk);border:1px solid var(--dv-1bltk);border-radius:var(--dv-hw6t7);overflow:hidden}
.dv-1owm8 div{background:var(--dv-1nx1b);padding:1rem 1.1rem}
.dv-1owm8 dt{font-weight:800;font-family:var(--dv-cqyxd)}
.dv-1owm8 dd{margin:.3rem 0 0;color:var(--dv-1afwh);font-size:.92rem;line-height:1.65}
/* more */
.dv-1b1kr{padding:calc(var(--dv-192ep)*4.5) 0 calc(var(--dv-192ep)*3)}
.dv-1b1kr h2{font-size:1.3rem;margin-bottom:1.2rem}
.dv-12dyo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}
.dv-1b1kr h3,.fapnet-latest h2{font-size:.78rem;letter-spacing:.2em;color:var(--dv-1afwh);margin:0 0 .6rem;font-family:var(--dv-hl632)}
.dv-c76yh{display:flex;flex-direction:column}
.dv-c76yh a,.fapnet-latest a{display:block;padding:.5rem 0;border-bottom:1px solid var(--dv-1bltk);text-decoration:none;color:var(--dv-pyhv9);font-size:.95rem}
.dv-c76yh a:hover,.fapnet-latest a:hover{color:var(--dv-9dbql)}
.fapnet-latest{margin-top:2rem}
.fapnet-latest ul{list-style:none;margin:0;padding:0}
.dv-1qnit{display:flex;flex-wrap:wrap;gap:.5rem}
.dv-1qnit a{padding:.3rem .8rem;border-radius:999px;background:color-mix(in srgb,var(--dv-18oxg) 12%,var(--dv-1evvd));color:var(--dv-pyhv9);text-decoration:none;font-size:.88rem}
.dv-1qnit a:hover{background:var(--dv-18oxg);color:var(--dv-11365)}
/* footer */
.dv-qlcbu{border-top:1px solid var(--dv-1bltk);font-size:.84rem;color:var(--dv-1afwh)}
.dv-qlcbu .dv-1af8r{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;padding-top:1.3rem;padding-bottom:1.3rem}
.dv-qlcbu 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(--dv-1evvd);border:1px solid var(--dv-1bltk);color:var(--dv-pyhv9);font-size:.82rem;text-decoration:none;box-shadow:0 6px 20px color-mix(in srgb,var(--dv-pyhv9) 14%,transparent);transition:opacity .2s,transform .2s}
.top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.2}
.dv-sos2q .top:not(.dv-h46il){opacity:0;transform:translateY(.6rem);pointer-events:none;visibility:hidden}
@media (max-width:900px){
.dv-uqe5k{grid-template-columns:minmax(0,1fr);gap:0}
.dv-kin86{top:0;z-index:15;padding:.55rem 0;margin:0 -1.25rem;background:color-mix(in srgb,var(--dv-1nx1b) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--dv-1bltk)}
.dv-18t5u{position:absolute;left:-999px}
.dv-kin86 ol{display:flex;gap:.4rem;overflow-x:auto;border:0;padding:0 1.25rem;scrollbar-width:none}
.dv-kin86 ol::-webkit-scrollbar{display:none}
.dv-kin86 a{white-space:nowrap;max-width:14em;overflow:hidden;text-overflow:ellipsis;display:block;margin:0;padding:.35rem .85rem;border:1px solid var(--dv-1bltk);border-radius:999px;font-size:.84rem}
.dv-kin86 a::before{margin-right:.4rem}
.dv-kin86 a.dv-11365{background:var(--dv-18oxg);border-color:var(--dv-18oxg);color:var(--dv-11365)}
.dv-kin86 a.dv-11365::before{color:var(--dv-11365)}
.dv-2wt7f{max-width:none}
}
@media (max-width:640px){
body{font-size:16px}
.dv-1k4av{display:none}
.dv-ql6je .dv-1af8r{min-height:0;padding-top:calc(var(--dv-192ep)*3);padding-bottom:calc(var(--dv-192ep)*3)}
.dv-x5w4b{width:130%;right:-55%;top:auto;bottom:-15%;transform:none;opacity:.22}
.dv-fphwj,.dv-58l3v{padding-top:calc(var(--dv-192ep)*3)}
.dv-1o6ru{grid-template-columns:minmax(0,1fr)}
.dv-3pex4{grid-row:auto;justify-self:start;margin-bottom:.5rem}
.dv-1owm8,.dv-12dyo{grid-template-columns:minmax(0,1fr)}
.dv-1cpip em{display:none}
}
@media (prefers-reduced-motion:reduce){.top{transition:none}}
h1{text-wrap:balance}