/* 无名辅助 · 1P — A5-B3-C3-D3-E4-F3 */
:root{
  --bg:#0a0f24;--bg2:#0e1533;--panel:#121c42;--panel2:#18245200;--line:#2b3d7d;
  --ice:#7fe7ff;--ice2:#36b9ff;--coin:#ffd24a;--pink:#ff6fa5;--ok:#6cf29a;--no:#ff8b8b;
  --tx:#e6f4ff;--tx2:#c3d4f2;--mut:#8fa4cf;
  --mono:"Consolas","Menlo","Monaco","Courier New",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --n:4px
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background-color:var(--bg);background-image:linear-gradient(rgba(127,231,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(127,231,255,.035) 1px,transparent 1px);background-size:24px 24px;color:var(--tx2);font:16px/1.8 var(--sans);overflow-x:hidden}
img{display:block;max-width:100%;height:auto;image-rendering:auto}
picture{display:block}
a{color:var(--ice);text-decoration:none}
a:hover{color:var(--coin)}
h1,h2,h3{color:#fff;line-height:1.35;margin:0 0 .55em;font-weight:800;letter-spacing:.01em}
p{margin:0 0 1em}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--coin);outline-offset:2px}
.bit-wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.bit-wrap--narrow{width:min(860px,calc(100% - 40px))}
.bit-skip{position:absolute;left:-999px;top:0;background:var(--coin);color:#000;padding:8px 12px;z-index:99}
.bit-skip:focus{left:8px}

/* pixel notch */
.bit-btn,.bit-win,.bit-frame,.bit-hud li,.bit-tabs__list button,.bit-card,.bit-vip,.bit-chat blockquote,.bit-post,.bit-faq details,.bit-lobby,.bit-save,.bit-level,.bit-box,.bit-switch button,.bit-stages__map li,.bit-badge,.bit-chip,.bit-empty,.bit-pn a,.bit-pages a,.bit-pages span,.bit-jump a,.bit-panel li,.bit-copy,.bit-trial,.bit-fade__arrow{clip-path:polygon(0 var(--n),var(--n) var(--n),var(--n) 0,calc(100% - var(--n)) 0,calc(100% - var(--n)) var(--n),100% var(--n),100% calc(100% - var(--n)),calc(100% - var(--n)) calc(100% - var(--n)),calc(100% - var(--n)) 100%,var(--n) 100%,var(--n) calc(100% - var(--n)),0 calc(100% - var(--n)))}

/* header */
.bit-top{position:sticky;top:0;z-index:50;background:rgba(10,15,36,.95);border-bottom:3px solid var(--line)}
.bit-top__row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.bit-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:20px}
.bit-logo img{image-rendering:pixelated}
.bit-logo small{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--bg);background:var(--ice);padding:1px 6px;letter-spacing:.06em}
.bit-menu{display:flex;align-items:center;gap:4px}
.bit-menu a{padding:8px 12px;color:var(--tx);font-size:15px;font-weight:600;white-space:nowrap}
.bit-menu a:hover,.bit-menu a[aria-current]{color:var(--bg);background:var(--ice)}
.bit-menu a.bit-menu__out{color:var(--coin)}
.bit-menu a.bit-menu__out:hover{color:var(--bg);background:var(--coin)}
.bit-menu__h,.bit-menu__qq{display:none}
.bit-menu-btn{display:none;align-items:center;gap:8px;min-height:44px;padding:0 12px;background:var(--panel);border:3px solid var(--ice);cursor:pointer;font-weight:700}
.bit-menu-btn__ico{width:18px;height:14px;background:linear-gradient(var(--ice) 0 3px,transparent 3px 5.5px,var(--ice) 5.5px 8.5px,transparent 8.5px 11px,var(--ice) 11px 14px)}
.bit-scrim{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:70}

/* buttons */
.bit-btns{display:flex;flex-wrap:wrap;gap:12px}
.bit-btns--c{justify-content:center}
.bit-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;font-weight:800;font-size:16px;letter-spacing:.02em;border:3px solid #000;cursor:pointer;transition:transform .12s;text-align:center;line-height:1.3}
.bit-btn:hover{transform:translate(-2px,-2px)}
.bit-btn:active{transform:translate(1px,1px)}
.bit-btn--ice{background:var(--ice);color:#06102b;box-shadow:inset -4px -4px 0 rgba(0,40,90,.35),inset 4px 4px 0 rgba(255,255,255,.5)}
.bit-btn--ice:hover{color:#06102b}
.bit-btn--coin{background:var(--coin);color:#2a1a00;box-shadow:inset -4px -4px 0 rgba(120,70,0,.35),inset 4px 4px 0 rgba(255,255,255,.55)}
.bit-btn--coin:hover{color:#2a1a00}
.bit-btn--line{background:var(--panel);color:var(--ice);border-color:var(--ice)}
.bit-btn--line:hover{color:#fff}
.bit-copy{background:var(--panel);border:3px solid var(--line);color:var(--ice);padding:6px 14px;cursor:pointer;font-weight:700;min-height:40px}
.bit-copy:hover{border-color:var(--ice)}
.bit-linkbtn{background:none;border:0;padding:0;color:var(--coin);font-weight:800;cursor:pointer;text-decoration:underline;text-underline-offset:4px}

/* hero */
.bit-hero{position:relative;padding:56px 0 40px;overflow:hidden}
.bit-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px);opacity:.5}
.bit-hero>*{position:relative;z-index:1}
.bit-hero__top{text-align:center;max-width:860px;margin-bottom:40px}
.bit-badge{display:inline-block;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--bg);background:var(--coin);padding:4px 12px;margin-bottom:20px;letter-spacing:.06em}
.bit-hero h1{font-size:clamp(28px,4.4vw,50px);line-height:1.3}
.bit-hero h1 span{color:var(--ice);text-shadow:0 0 18px rgba(127,231,255,.45);border-bottom:6px solid var(--ice2);padding-bottom:2px}
.bit-hero__lead{font-size:17px;color:var(--tx2);max-width:760px;margin-inline:auto}
.bit-hero__lead b{color:var(--coin)}
.bit-hero .bit-btns{justify-content:center;margin-top:26px}

/* window + fade carousel */
.bit-win{max-width:780px;margin:0 auto;background:#050918;border:3px solid var(--ice)}
.bit-win__bar{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:var(--ice);color:var(--bg);font-family:var(--mono);font-weight:800;font-size:13px;letter-spacing:.12em}
.bit-win__btns{display:flex;gap:6px}
.bit-win__btns i{width:12px;height:12px;background:var(--bg)}
.bit-win__btns i:nth-child(2){background:var(--coin)}
.bit-win__btns i:nth-child(3){background:var(--pink)}
.bit-fade{position:relative;display:grid}
.bit-fade__slide{grid-area:1/1;margin:0;opacity:0;visibility:hidden;transition:opacity .5s ease,visibility .5s}
.bit-fade__slide.is-on{opacity:1;visibility:visible}
.bit-fade__slide img{width:100%;aspect-ratio:716/508}
.bit-fade figcaption{display:flex;gap:14px;align-items:flex-start;padding:12px 16px;background:#0b1330;border-top:3px solid var(--line);min-height:76px;font-size:14px;color:var(--tx2)}
.bit-fade figcaption b{font-family:var(--mono);font-size:24px;color:var(--coin);line-height:1.1}
.bit-fade figcaption strong{display:block;color:#fff;font-size:16px}
.bit-fade__arrow{position:absolute;top:calc(50% - 60px);width:42px;height:42px;display:grid;place-items:center;background:rgba(10,15,36,.85);border:3px solid var(--ice);color:var(--ice);cursor:pointer;font-size:14px;z-index:2}
.bit-fade__arrow:hover{background:var(--ice);color:var(--bg)}
.bit-fade__arrow--l{left:10px}
.bit-fade__arrow--r{right:10px}
.bit-hp{height:8px;background:#1b2656;border-top:3px solid var(--ice)}
.bit-hp span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--ok),var(--ice))}
.bit-hp.is-run span{animation:bit-hp 5s linear forwards}
.bit-hp.is-hold span{animation-play-state:paused}
@keyframes bit-hp{from{width:0}to{width:100%}}
.bit-dots{display:flex;justify-content:center;gap:6px;margin-top:16px}
.bit-dots button{width:28px;height:28px;padding:0;border:0;background:transparent;cursor:pointer;display:grid;place-items:center}
.bit-dots button::before{content:"";width:12px;height:12px;background:var(--line)}
.bit-dots button[aria-current="true"]::before{background:var(--coin);box-shadow:0 0 0 3px rgba(255,210,74,.3)}

/* hud */
.bit-hud{padding:16px 0 36px}
.bit-hud ul{list-style:none;margin-block:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.bit-hud li{background:var(--panel);border:3px solid var(--line);padding:16px 10px;text-align:center}
.bit-hud b{display:block;font-family:var(--mono);font-size:32px;line-height:1.2;color:var(--ice);text-shadow:0 0 12px rgba(127,231,255,.4)}
.bit-hud span{font-size:13px;color:var(--mut)}

/* sections */
.bit-sec{padding:72px 0}
.bit-sec--tight{padding:30px 0 60px}
.bit-sec--dark{background:rgba(5,9,24,.75);border-block:3px solid var(--line)}
.bit-kicker{font-family:var(--mono);font-size:13px;font-weight:800;letter-spacing:.24em;color:var(--coin);margin:0 0 8px}
.bit-kicker::before{content:"■ "}
.bit-h2{font-size:clamp(24px,3.2vw,36px)}
.bit-sub{color:var(--mut);max-width:780px}
.bit-sub a{color:var(--ice);text-decoration:underline;text-underline-offset:3px}
.bit-star{display:inline-block;margin:0 4px;padding:0 6px;font-size:12px;font-weight:800;line-height:1.6;color:#2a1a00;background:var(--coin);white-space:nowrap;vertical-align:1px}
.bit-more{font-weight:800;color:var(--coin);font-size:15px}
.bit-center{text-align:center;margin-top:30px}

/* tabs */
.bit-tabs{margin-top:28px}
.bit-tabs__list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.bit-tabs__list button{background:var(--panel);border:3px solid var(--line);padding:9px 14px;cursor:pointer;font-weight:700;font-size:14px;color:var(--tx2);white-space:nowrap}
.bit-tabs__list button:hover{border-color:var(--ice);color:#fff}
.bit-tabs__list button[aria-selected="true"]{background:var(--ice);border-color:var(--ice);color:var(--bg)}
.bit-tabs__pane{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:34px;align-items:center}
.bit-tabs__pane+.bit-tabs__pane{margin-top:40px}
.bit-tabs.is-live .bit-tabs__pane+.bit-tabs__pane{margin-top:0}
.bit-tabs__pane[hidden]{display:none}
.bit-tabs__pane h3{font-size:24px}
.bit-frame{display:block;background:#050918;border:3px solid var(--line);padding:6px}
.bit-frame img{width:100%}
.bit-gap{display:block;height:10px}
.bit-panel{aspect-ratio:716/508;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:14px;text-align:center;padding:20px;background:radial-gradient(circle at 50% 45%,rgba(54,185,255,.22),transparent 65%),#070d24}
.bit-panel__t{font-family:var(--mono);font-weight:800;font-size:14px;letter-spacing:.2em;color:var(--coin);margin:0}
.bit-panel__s{font-size:13px;color:var(--mut);margin:0}
.bit-panel ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:440px}
.bit-panel li{background:var(--panel);border:3px solid var(--ice2);padding:5px 12px;color:#fff;font-weight:700;font-size:14px}

/* stages */
.bit-stages__map{list-style:none;padding:0;margin:30px 0 32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;position:relative}
.bit-stages__map::before{content:"";position:absolute;left:8%;right:8%;top:32px;border-top:3px dashed var(--line)}
.bit-stages__map li{position:relative;background:var(--panel);border:3px solid var(--line);padding:22px 20px}
.bit-stages__lv{display:inline-block;font-family:var(--mono);font-weight:800;font-size:18px;color:var(--bg);background:var(--coin);padding:2px 10px;margin-bottom:12px}
.bit-stages__map h3{font-size:20px}
.bit-stages__map p{margin:0}
.bit-stages__map b{color:var(--ok)}
.bit-stages .bit-btns{justify-content:center}

/* pricing switch */
.bit-switch{display:inline-flex;flex-wrap:wrap;gap:8px;margin:24px 0 26px}
.bit-switch button{background:var(--panel);border:3px solid var(--line);padding:12px 18px;cursor:pointer;font-weight:800;font-size:15px;color:var(--tx2)}
.bit-switch button em{font-style:normal;font-size:12px;background:var(--pink);color:#fff;padding:1px 6px;margin-left:6px}
.bit-switch button[aria-selected="true"]{background:var(--coin);border-color:var(--coin);color:#2a1a00}
.bit-plans{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.1fr);gap:18px;align-items:stretch}
.bit-plans+.bit-plans{margin-top:26px}
.bit-price-live .bit-plans+.bit-plans{margin-top:0}
.bit-plans[hidden]{display:none}
.bit-plans--short{grid-template-columns:repeat(3,minmax(0,1fr))}
.bit-card{display:flex;flex-direction:column;background:var(--panel);border:3px solid var(--line);padding:24px}
.bit-card--hot{border-color:var(--coin);background:linear-gradient(180deg,#1d2a5e,#121c42)}
.bit-card__tag{align-self:flex-start;font-family:var(--mono);font-size:12px;font-weight:800;color:#2a1a00;background:var(--coin);padding:2px 8px;margin-bottom:12px}
.bit-card__tag--soft{background:var(--line);color:#fff}
.bit-card h3{font-size:22px;margin-bottom:4px}
.bit-card__price{margin:0;color:var(--mut);font-weight:700}
.bit-card__price b{font-family:var(--mono);font-size:48px;line-height:1.1;color:#fff;margin-right:4px}
.bit-card--hot .bit-card__price b{font-size:58px;color:var(--coin);text-shadow:0 0 16px rgba(255,210,74,.35)}
.bit-card__day{color:var(--ice);font-weight:800;margin-bottom:12px}
.bit-card__list{list-style:none;padding:0;margin:0 0 14px;display:grid;gap:6px;font-size:15px}
.bit-card__list .is-key{color:var(--ok);font-weight:800}
.bit-card__list .is-no{color:var(--no)}
.bit-card__who{flex:1;font-size:14px;color:var(--mut)}
.bit-card .bit-btn{width:100%}
.bit-vip{background:#070d24;border:3px solid var(--ice);padding:22px}
.bit-vip__h{font-family:var(--mono);font-weight:800;color:var(--coin);font-size:15px;letter-spacing:.06em}
.bit-vip__big{list-style:none;padding:0;margin:0 0 14px;display:grid;gap:10px}
.bit-vip__big li{background:var(--panel);border-left:6px solid var(--ice);padding:10px 14px;font-size:14px;color:var(--tx2)}
.bit-vip__big b{display:block;font-size:20px;color:#fff}
.bit-vip__rest{font-size:14px;color:var(--tx2)}
.bit-vip__note{font-size:13px;color:var(--mut);margin:0}
.bit-upsell{grid-column:1/-1;text-align:center;margin:6px 0 0;padding:14px;border:3px dashed var(--line);color:var(--tx2)}
.bit-buyflow{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:28px 0 0;padding:0;counter-reset:bf}
.bit-buyflow li{counter-increment:bf;font-weight:700;color:var(--tx)}
.bit-buyflow li::before{content:counter(bf);display:inline-grid;place-items:center;width:26px;height:26px;margin-right:8px;background:var(--ice);color:var(--bg);font-family:var(--mono);font-weight:800}
.bit-buyflow li+li::after{content:none}
.bit-buyflow li:not(:last-child)::after{content:"▶";margin-left:10px;color:var(--mut);font-size:12px}

/* chat */
.bit-chat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}
.bit-chat blockquote{margin:0;background:var(--panel);border:3px solid var(--line);padding:16px 20px}
.bit-chat cite{display:block;font-style:normal;font-family:var(--mono);font-size:13px;font-weight:800;color:var(--ice);margin-bottom:6px}
.bit-chat cite::before{content:"> "}
.bit-chat p{margin:0;color:var(--tx)}

/* posts */
.bit-posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:26px}
.bit-posts--3{margin-top:16px}
.bit-post{display:flex;flex-direction:column;background:var(--panel);border:3px solid var(--line);transition:border-color .2s}
.bit-post:hover{border-color:var(--ice)}
.bit-post__pic{display:block;aspect-ratio:1200/630;overflow:hidden;border-bottom:3px solid var(--line);background:#070d24}
.bit-post__pic img{width:100%;height:100%;object-fit:cover}
.bit-post__ph{display:grid;place-items:center;height:100%;font-family:var(--mono);font-weight:800;font-size:20px;letter-spacing:.2em;color:var(--ice);background:repeating-linear-gradient(45deg,#0e1840 0 10px,#0b1433 10px 20px)}
.bit-post__b{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.bit-post__meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12px;color:var(--mut);margin-bottom:8px;font-family:var(--mono)}
.bit-post__meta span{color:var(--coin)}
.bit-post h2,.bit-post h3{font-size:17px;line-height:1.5;margin-bottom:6px}
.bit-post h2 a,.bit-post h3 a{color:#fff}
.bit-post h2 a:hover,.bit-post h3 a:hover{color:var(--ice)}
.bit-post p{font-size:14px;color:var(--mut);margin:0}
.bit-empty{margin-top:24px;background:var(--panel);border:3px dashed var(--line);padding:26px;text-align:center;color:var(--tx2)}
.bit-empty p{margin:0}

/* faq */
.bit-faq{margin-top:22px;display:grid;gap:10px}
.bit-faq details{background:var(--panel);border:3px solid var(--line)}
.bit-faq details[open]{border-color:var(--ice)}
.bit-faq summary{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;cursor:pointer;list-style:none;font-weight:800;color:#fff}
.bit-faq summary::-webkit-details-marker{display:none}
.bit-faq summary i{flex:none;display:grid;place-items:center;width:24px;height:24px;font-style:normal;font-family:var(--mono);background:var(--coin);color:#2a1a00}
.bit-faq details p{padding:0 18px 16px 54px;margin:0;color:var(--tx2)}

/* lobby */
.bit-lobby{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:34px;align-items:center;background:linear-gradient(135deg,#132459,#0b1433);border:3px solid var(--ice);padding:40px}
.bit-lobby__num{font-family:var(--mono);font-size:clamp(38px,6vw,64px);font-weight:800;color:var(--coin);letter-spacing:.06em;line-height:1.15;margin:0 0 18px;text-shadow:0 0 18px rgba(255,210,74,.35)}
.bit-lobby__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.bit-lobby__list li{background:rgba(5,9,24,.6);border:3px solid var(--line);padding:14px;font-size:14px;color:var(--mut)}
.bit-lobby__list b{display:block;color:#fff;font-size:16px}

/* save point */
.bit-save{margin:44px 0;background:var(--panel);border:3px solid var(--coin);padding:30px;text-align:center}
.bit-save__t{font-size:22px;font-weight:800;color:#fff;margin-bottom:6px}
.bit-save .bit-btns{justify-content:center;margin:18px 0 12px}
.bit-save__qq{margin:0;font-size:14px;color:var(--mut)}
.bit-save__qq b{color:var(--coin);font-family:var(--mono)}

/* page head, trail */
.bit-head{padding:12px 0 34px;border-bottom:3px solid var(--line);background:rgba(5,9,24,.55)}
.bit-head h1{font-size:clamp(26px,4vw,44px);margin-top:14px}
.bit-trail ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:18px 0 6px;font-size:13px;color:var(--mut)}
.bit-trail li+li::before{content:"▸";margin-right:6px;color:var(--line)}
.bit-trail a{color:var(--mut)}
.bit-trail a:hover{color:var(--ice)}
.bit-trail span{color:var(--tx2)}
.bit-jump{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.bit-jump a{background:var(--panel);border:3px solid var(--line);padding:6px 12px;font-size:14px;font-weight:700;color:var(--tx2)}
.bit-jump a:hover,.bit-jump a[aria-current]{border-color:var(--ice);color:var(--bg);background:var(--ice)}

/* features levels */
.bit-levels{display:grid;gap:30px;padding:44px 0 10px}
.bit-level{background:rgba(18,28,66,.85);border:3px solid var(--line);padding:30px;scroll-margin-top:80px}
.bit-level__no{display:inline-block;font-family:var(--mono);font-weight:800;font-size:13px;letter-spacing:.2em;color:var(--bg);background:var(--ice);padding:2px 10px;margin-bottom:12px}
.bit-level h2{font-size:clamp(22px,2.8vw,30px)}
.bit-level__body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:30px;align-items:start;margin-top:10px}
.bit-tip{background:#070d24;border-left:6px solid var(--coin);padding:12px 16px;font-size:15px;margin:0}
.bit-tip b{color:var(--coin)}

/* read */
.bit-read{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;padding:14px 0 40px}
.bit-read__head{padding-bottom:18px;margin-bottom:24px;border-bottom:3px solid var(--line)}
.bit-read__head h1{font-size:clamp(24px,3.4vw,38px);margin-top:10px}
.bit-chip{display:inline-block;background:var(--coin);color:#2a1a00;font-weight:800;font-size:13px;padding:2px 10px}
.bit-chip:hover{color:#2a1a00}
.bit-read__meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--mut);font-family:var(--mono);margin:0}
.bit-read__cover{margin:0 0 24px}
.bit-prose{font-size:17px;line-height:1.9;color:var(--tx2);overflow-wrap:break-word}
.bit-prose h2{font-size:24px;color:#fff;margin:1.8em 0 .7em;padding:8px 14px;background:var(--panel);border-left:6px solid var(--ice)}
.bit-prose h3{font-size:19px;color:var(--ice);margin:1.5em 0 .5em}
.bit-prose strong{color:#fff}
.bit-prose a{color:var(--coin);text-decoration:underline;text-underline-offset:3px}
.bit-prose ul,.bit-prose ol{padding-left:1.4em;margin:0 0 1.2em}
.bit-prose li{margin-bottom:.45em}
.bit-prose li::marker{color:var(--ice)}
.bit-prose img{border:3px solid var(--line)}
.bit-prose figure{margin:1.6em 0}
.bit-prose figcaption{font-size:13px;color:var(--mut);text-align:center;margin-top:8px}
.bit-prose blockquote{margin:0 0 1.4em;padding:12px 18px;background:var(--panel);border-left:6px solid var(--coin)}
.bit-prose code{font-family:var(--mono);background:#070d24;padding:1px 6px;color:var(--ice)}
.bit-prose table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 1.4em}
.bit-prose th,.bit-prose td{border:2px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.bit-prose th{background:rgba(127,231,255,.12);color:#fff}
.bit-prose tbody tr:nth-child(even){background:rgba(127,231,255,.04)}
.bit-prose .sf-table{margin:1.3em 0;overflow-x:auto}
.bit-prose .sf-table table{margin:0}
.bit-prose .sf-callout{--sf-c:var(--ice);margin:1.3em 0;padding:12px 16px;background:rgba(127,231,255,.06);border:0;border-left:6px solid var(--sf-c);border-radius:0}
.bit-prose .sf-callout-note{--sf-c:#7fe7ff}
.bit-prose .sf-callout-tip{--sf-c:#6cf29a}
.bit-prose .sf-callout-important{--sf-c:#c49bff}
.bit-prose .sf-callout-warning{--sf-c:#ffd24a}
.bit-prose .sf-callout-caution{--sf-c:#ff8b8b}
.bit-prose .sf-callout-title{color:var(--sf-c);font-weight:800;margin-bottom:4px}
.bit-prose .sf-callout>p:last-child{margin-bottom:0}
.bit-prose .sf-faq h3{position:relative;padding-left:2em;color:#fff}
.bit-prose .sf-faq h3::before{content:"?";position:absolute;left:0;top:.15em;width:1.4em;height:1.4em;border-radius:0;background:var(--coin);color:#2a1a00;font-family:var(--mono);font-size:.85em;line-height:1.4em;text-align:center}
.bit-pn{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:30px 0}
.bit-pn a{display:block;background:var(--panel);border:3px solid var(--line);padding:14px 16px;color:#fff;font-weight:700;line-height:1.5}
.bit-pn a:hover{border-color:var(--ice)}
.bit-pn a+a{text-align:right}
.bit-pn small{display:block;font-family:var(--mono);font-size:12px;color:var(--coin);margin-bottom:4px}
.bit-related h2{font-size:22px}
.bit-posts--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.bit-side{position:sticky;top:84px;align-self:start;display:grid;gap:18px}
.bit-box{background:var(--panel);border:3px solid var(--line);padding:20px}
.bit-box--ice{border-color:var(--ice)}
.bit-box__h{font-weight:800;color:#fff;font-size:17px;margin-bottom:8px}
.bit-box p{font-size:14px}
.bit-box p b{color:var(--coin)}
.bit-box .bit-btn{width:100%;min-height:44px;font-size:15px}
.bit-box__list{list-style:none;padding:0;margin:0}
.bit-box__list li{padding:8px 0;border-bottom:2px dashed var(--line);font-size:14px;line-height:1.55}
.bit-box__list li:last-child{border-bottom:0}
.bit-box__list a{color:var(--tx2)}
.bit-box__list a:hover{color:var(--ice)}
.bit-box__qq{font-family:var(--mono);font-size:26px!important;font-weight:800;color:var(--coin);margin-bottom:10px}
.bit-page{padding:20px 0}
.bit-pages{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:30px 0}
.bit-pages a,.bit-pages span{min-width:44px;height:44px;display:grid;place-items:center;padding:0 12px;background:var(--panel);border:3px solid var(--line);color:var(--tx);font-weight:700}
.bit-pages span{background:var(--ice);border-color:var(--ice);color:var(--bg)}

/* 404 */
.bit-over{padding:90px 0 100px;text-align:center}
.bit-over__code{font-family:var(--mono);font-size:clamp(90px,18vw,180px);font-weight:800;line-height:1;margin:0 0 10px;color:var(--pink);text-shadow:6px 6px 0 var(--ice2)}
.bit-over h1{font-size:clamp(24px,3.6vw,36px)}
.bit-over .bit-btns{margin-top:26px}

/* footer */
.bit-foot{border-top:3px solid var(--line);background:#060a1b;padding:48px 0 24px;font-size:14px;color:var(--mut);margin-top:30px}
.bit-foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.bit-foot__logo{font-weight:800;font-size:22px;color:#fff;margin-bottom:8px}
.bit-foot__h{font-family:var(--mono);font-weight:800;color:var(--coin);letter-spacing:.14em;margin-bottom:10px}
.bit-foot a{display:block;color:var(--mut);padding:3px 0}
.bit-foot a:hover{color:var(--ice)}
.bit-foot__qq{font-family:var(--mono);font-size:24px;font-weight:800;color:var(--ice);margin-bottom:8px}
.bit-foot__end{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;margin-top:32px;padding-top:16px;border-top:2px dashed var(--line);font-size:13px}
.bit-foot__end p{margin:0}
.bit-trial{display:none}
.bit-toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,12px);opacity:0;pointer-events:none;background:var(--coin);color:#2a1a00;font-weight:800;padding:10px 18px;z-index:90;transition:opacity .25s,transform .25s;max-width:calc(100% - 32px);text-align:center}
.bit-toast.is-on{opacity:1;transform:translate(-50%,0)}

/* responsive */
@media (max-width:1060px){
  .bit-menu a{padding:8px 8px;font-size:14px}
  .bit-plans{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bit-plans .bit-vip{grid-column:1/-1}
  .bit-read{grid-template-columns:minmax(0,1fr)}
  .bit-side{position:static;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
  .bit-posts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .bit-menu-btn{display:inline-flex}
  .bit-menu{position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(300px,84vw);flex-direction:column;align-items:stretch;gap:0;padding:20px 18px;background:#0b1330;border-left:3px solid var(--ice);transform:translateX(105%);transition:transform .25s ease;overflow-y:auto}
  .bit-menu.is-open{transform:none}
  .bit-menu__h{display:block;font-family:var(--mono);font-weight:800;letter-spacing:.3em;color:var(--coin);margin-bottom:12px}
  .bit-menu a{padding:14px 10px;font-size:16px;border-bottom:2px dashed var(--line)}
  .bit-menu__qq{display:block;margin-top:18px;font-family:var(--mono);color:var(--ice)}
  .bit-trial{display:flex;align-items:center;position:fixed;right:14px;bottom:16px;z-index:60;min-height:50px;padding:0 20px;background:var(--coin);color:#2a1a00;font-weight:800;border:3px solid #000;box-shadow:inset -4px -4px 0 rgba(120,70,0,.35)}
  .bit-trial:hover{color:#2a1a00}
  .bit-foot{padding-bottom:90px}
  .bit-tabs__list{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-20px;padding:0 20px 6px}
  .bit-tabs__list::-webkit-scrollbar{display:none}
  .bit-tabs__list button{flex:0 0 auto}
  .bit-tabs__pane,.bit-level__body{grid-template-columns:minmax(0,1fr);gap:20px}
  .bit-lobby{grid-template-columns:minmax(0,1fr);padding:30px}
  .bit-foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  .bit-wrap,.bit-wrap--narrow{width:calc(100% - 28px)}
  .bit-sec{padding:52px 0}
  .bit-hero{padding:36px 0 30px}
  .bit-hero__lead{font-size:16px}
  .bit-btn{padding:0 14px;font-size:15px;white-space:nowrap}
  .bit-hero .bit-btn,.bit-save .bit-btn,.bit-lobby .bit-btn{flex:1 1 140px}
  .bit-hud ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bit-hud li:last-child{grid-column:span 2}
  .bit-fade__arrow{width:36px;height:36px;top:calc(50% - 58px)}
  .bit-fade figcaption{font-size:13px;min-height:90px}
  .bit-stages__map{grid-template-columns:minmax(0,1fr);gap:14px}
  .bit-stages__map::before{display:none}
  .bit-switch{display:grid;width:100%}
  .bit-plans,.bit-plans--short{grid-template-columns:minmax(0,1fr)}
  .bit-card--hot .bit-card__price b{font-size:50px}
  .bit-chat,.bit-posts,.bit-posts--3,.bit-lobby__list{grid-template-columns:minmax(0,1fr)}
  .bit-level{padding:22px 16px}
  .bit-pn{grid-template-columns:minmax(0,1fr)}
  .bit-pn a+a{text-align:left}
  .bit-prose{font-size:16px}
  .bit-prose h2{font-size:21px}
  .bit-prose table{font-size:13px}
  .bit-prose th,.bit-prose td{padding:7px 6px}
  .bit-foot__grid{grid-template-columns:minmax(0,1fr)}
  .bit-toast{bottom:80px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}