:root{--ih-blue:#4CCDED;--ih-orange:#F3A08A;--ih-font:'Roboto';--ih-shadow:0 12px 28px rgba(0,0,0,.18);--panel-radius:26px;--ih-toc-fill:0px;--ih-panel-left:20px;--ih-gap-between:clamp(14px, 1.1vw, 22px);--ih-right-gap:30px;--panel-w:clamp(260px, 20vw, 320px);--ih-shift-max:clamp(110px, calc(180px - ((1536px - 100vw) * 0.12)), 180px)}#ihTocTab{display:none}@media(max-width:1023px){.ih-toc-tab,.ih-toc-panel{display:none!important}}.ih-toc-tab{position:fixed;left:0;top:52%;transform:translateY(-50%);z-index:999999;background:var(--ih-blue);border:3px solid var(--ih-orange);border-left:0;border-radius:0 14px 14px 0;padding:15px;display:flex;align-items:center;gap:12px;box-shadow:var(--ih-shadow);cursor:pointer;transition:opacity .22s ease,transform .22s ease;will-change:opacity,transform}.ih-toc-tab.is-hidden{opacity:0;transform:translate(-18px,-50%);pointer-events:none}.ih-toc-tab__text{font-family:var(--ih-font);font-weight:400;font-size:18px;color:#fff;writing-mode:vertical-rl;transform:rotate(180deg)}.ih-toc-panel{position:fixed;left:var(--ih-panel-left);top:170px;width:var(--panel-w);max-width:calc(100vw - 90px);z-index:999998;opacity:0;transform:translateX(-25px);transition:opacity .22s ease,transform .22s ease;pointer-events:none}body.ih-toc-open .ih-toc-panel{opacity:1;transform:translateX(0);pointer-events:auto}.ih-toc-panel__inner{background:var(--ih-blue);border-radius:var(--panel-radius);padding:22px 0 18px 0;position:relative;max-height:calc(100vh - 220px);overflow:hidden}.ih-toc-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px;margin-bottom:18px}.ih-toc-title{font-family:var(--ih-font);font-weight:700;font-size:24px;line-height:1;color:#fff;text-decoration:underline;text-underline-offset:10px;text-align:left;margin:0;flex:1}.ih-toc-x{width:34px;height:34px;border-radius:10px;background:rgb(255 255 255 / .18);border:2px solid rgb(255 255 255 / .35);color:#fff;font-size:22px;font-weight:800;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s ease,background .15s ease}.ih-toc-x:hover{transform:scale(1.05);background:var(--ih-orange)}.ih-toc-listwrap{position:relative;margin-top:6px;padding-right:6px;max-height:calc(100vh - 330px);overflow:auto;--ih-track-h:100%}.ih-toc-listwrap::-webkit-scrollbar{width:8px}.ih-toc-listwrap::-webkit-scrollbar-thumb{background:rgb(255 255 255 / .35);border-radius:20px}.ih-toc-listwrap::before{content:"";position:absolute;left:22px;top:0;width:3px;height:var(--ih-track-h);background:#fff;border-radius:10px}.ih-toc-listwrap::after{content:"";position:absolute;left:22px;top:0;width:3px;height:var(--ih-toc-fill);background:var(--ih-orange);border-radius:10px;z-index:1;transition:height .18s ease;will-change:height}.ih-toc-list{list-style:none!important;margin:0;padding:0}.ih-toc-item{margin:0 0 18px;position:relative}.ih-toc-item a{display:block;font-family:var(--ih-font);font-weight:400;font-size:14px;line-height:1.28;color:#fff;text-decoration:none;padding:6px 10px 6px 40px;position:relative;z-index:3}.ih-toc-item a:hover{color:#fff;font-weight:700}.ih-toc-item.is-active a{background:#fff;color:var(--ih-blue);border-right:8px solid var(--ih-orange);border-top-left-radius:50px;border-bottom-left-radius:50px;box-shadow:var(--ih-shadow)}.ih-toc-item.is-active a::before{content:"";position:absolute;left:20px;top:50%;transform:translateY(-50%);width:7px;height:47px;background:var(--ih-blue)}.ih-toc-item::after,.ih-toc-item a::after{display:none!important}.ih-main-shift{transition:transform .22s ease,padding-left .22s ease,padding-right .22s ease;will-change:transform,padding-left,padding-right}body.ih-toc-open .ih-main-shift{transform:translate3d(min(calc(var(--panel-w) + var(--ih-gap-between)), var(--ih-shift-max)),0,0)!important;padding-left:var(--ih-gap-between)!important;padding-right:var(--ih-right-gap)!important}.ih-main-shift,body.ih-toc-open .ih-main-shift{overflow:visible!important}@media (min-width:1024px) and (max-width:1279.98px){:root{--panel-w:270px;--ih-gap-between:16px;--ih-right-gap:36px;--ih-shift-max:145px}.ih-toc-panel{top:150px}}@media (min-width:1280px) and (max-width:1439.98px){:root{--panel-w:300px;--ih-gap-between:20px;--ih-right-gap:30px;--ih-shift-max:180px}}