/* ============================================================
   智用 AI · 赛博终端控制台 设计系统  (bnaiai.com / Site 41)
   皮:暗色赛博 glitch · 青#00f0ff + 品红#ff2bd6 + 琥珀#f0b90b 点缀
   ============================================================ */
:root{
  --bg:#05070d; --bg2:#0a0e18; --panel:rgba(11,16,26,.66); --panel-solid:#0b1019;
  --cyan:#00f0ff; --cyan-d:#00c8d8; --magenta:#ff2bd6; --amber:#f0b90b;
  --line:rgba(0,240,255,.15); --line2:rgba(255,43,214,.13);
  --txt:#cbd6e6; --txt2:#aeb9cc; --dim:#76819a; --ok:#28e09b;
  --mono:"Share Tech Mono","JetBrains Mono",ui-monospace,monospace;
  --disp:"Orbitron",var(--mono); --sc:"Noto Sans SC",sans-serif;
  --maxw:1480px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--txt);font-family:var(--sc)}
body{min-height:100vh;overflow-x:hidden;position:relative;line-height:1.7;
  background:
    radial-gradient(1100px 560px at 80% -10%, rgba(255,43,214,.10), transparent 58%),
    radial-gradient(880px 560px at 6% -4%, rgba(0,240,255,.10), transparent 54%),
    var(--bg);}
a{color:var(--cyan);text-decoration:none}
img{max-width:100%;height:auto;display:block}
::selection{background:rgba(255,43,214,.4);color:#fff}

/* ---------- 背景层(每页通用 chrome) ---------- */
canvas#rain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.26}
.horizon{position:fixed;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.horizon::before{content:"";position:absolute;left:-25%;right:-25%;bottom:-12%;height:60%;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:48px 48px;transform:perspective(420px) rotateX(75deg);transform-origin:bottom;
  mask-image:linear-gradient(to top,#000,transparent 82%);-webkit-mask-image:linear-gradient(to top,#000,transparent 82%);
  opacity:.7;animation:flow 5.5s linear infinite}
@keyframes flow{to{background-position:0 48px,48px 0}}
.horizon::after{content:"";position:absolute;left:0;right:0;bottom:26%;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan) 30%,var(--magenta) 70%,transparent);opacity:.6;
  box-shadow:0 0 32px var(--cyan),0 0 60px rgba(255,43,214,.4)}
.crt{position:fixed;inset:0;z-index:60;pointer-events:none;mix-blend-mode:multiply;
  background:repeating-linear-gradient(to bottom,rgba(0,0,0,0) 0 2px,rgba(0,0,0,.14) 2px 3px)}
.sweep{position:fixed;left:0;right:0;height:140px;z-index:58;pointer-events:none;
  background:linear-gradient(to bottom,transparent,rgba(0,240,255,.05),transparent);animation:sweep 7s linear infinite}
@keyframes sweep{0%{top:-140px}100%{top:100%}}
.noise{position:fixed;inset:0;z-index:61;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.vig{position:fixed;inset:0;z-index:59;pointer-events:none;box-shadow:inset 0 0 240px rgba(0,0,0,.82)}
@media(prefers-reduced-motion:reduce){.horizon::before,.sweep,.glitch::before,.glitch::after,.beam::before,.btn.prim::after,.tunder::after{animation:none!important}}

/* ---------- 顶栏 ---------- */
.site{position:relative;z-index:5}
.top{display:flex;align-items:center;gap:16px;padding:13px clamp(16px,4vw,34px);border-bottom:1px solid var(--line);
  background:rgba(5,7,13,.6);backdrop-filter:blur(5px);position:sticky;top:0;z-index:40}
.logo{width:24px;height:24px;border:2px solid var(--cyan);transform:rotate(45deg);position:relative;box-shadow:0 0 12px rgba(0,240,255,.45);flex-shrink:0}
.logo::after{content:"";position:absolute;inset:5px;background:var(--magenta);box-shadow:0 0 10px var(--magenta)}
.brand{font-family:var(--disp);font-weight:900;font-size:18px;letter-spacing:1px;color:#fff;text-shadow:0 0 10px rgba(0,240,255,.5);white-space:nowrap}
.brand b{color:var(--cyan)} .brand .sl{color:var(--magenta)}
.topnav{display:flex;gap:2px;margin-left:6px;flex-wrap:wrap}
.topnav a{font-family:var(--mono);font-size:12.5px;color:var(--dim);padding:6px 11px;border:1px solid transparent;letter-spacing:.3px;transition:.16s}
.topnav a::before{content:"› ";color:var(--magenta);opacity:.7}
.topnav a:hover,.topnav a.cur{color:var(--cyan);border-color:var(--line);background:rgba(0,240,255,.05)}
.toptag{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:11px;color:var(--dim);font-family:var(--mono)}
.led{color:var(--ok)} .led::before{content:"● ";color:var(--ok);animation:blink 1.6s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
/* 语种切换器 */
.langsw{position:relative;font-family:var(--mono);font-size:12.5px}
.langsw>b{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);cursor:pointer;font-weight:500;letter-spacing:.5px;
  padding:7px 13px;border:1px solid rgba(0,240,255,.5);background:rgba(0,240,255,.08);transition:.16s}
.langsw>b::before{content:"";width:15px;height:15px;flex-shrink:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300f0ff' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cline x1='3' y1='12' x2='21' y2='12'/%3E%3Cellipse cx='12' cy='12' rx='4' ry='9'/%3E%3C/svg%3E") no-repeat center/contain}
.langsw>b::after{content:"▾";color:var(--magenta);font-size:11px;margin-left:1px}
.langsw>b:hover{background:rgba(0,240,255,.18);box-shadow:0 0 16px rgba(0,240,255,.4);border-color:var(--cyan)}
.langsw ul{position:absolute;right:0;top:calc(100% + 8px);background:var(--panel-solid);border:1px solid rgba(0,240,255,.4);
  min-width:172px;display:none;z-index:50;box-shadow:0 10px 36px rgba(0,0,0,.7),0 0 0 1px rgba(0,240,255,.12)}
.langsw:hover ul{display:block}
.langsw li{list-style:none}
.langsw a{display:block;padding:10px 16px;color:var(--txt2);font-size:13.5px;border-bottom:1px solid var(--line);transition:.14s}
.langsw a:hover{background:rgba(0,240,255,.12);color:var(--cyan);padding-left:21px}

/* ---------- ticker ---------- */
.ticker{display:flex;overflow:hidden;border-bottom:1px solid var(--line);background:rgba(0,240,255,.03);white-space:nowrap}
.ticker .run{display:inline-flex;gap:34px;padding:8px 0;animation:marq 24s linear infinite;flex-shrink:0}
.ticker:hover .run{animation-play-state:paused}
.ticker span{font-size:11.5px;color:var(--dim);letter-spacing:1px;font-family:var(--mono)}
.ticker span b{color:var(--cyan);font-weight:400}.ticker span em{color:var(--ok);font-style:normal}
.ticker span::before{content:"◢ ";color:var(--magenta)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- 通用容器 / 区块 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,34px)}
.sec{position:relative;z-index:5;padding:clamp(40px,7vw,72px) 0}
.sec-h{font-family:var(--sc);font-weight:700;font-size:clamp(22px,3.4vw,30px);color:#fff;letter-spacing:.5px;margin-bottom:6px}
.sec-h .hash{color:var(--magenta);font-family:var(--mono)}
.sec-sub{color:var(--dim);font-size:14px;margin-bottom:26px;font-family:var(--mono);letter-spacing:.5px}

/* ---------- HUD 面板 / 角标 ---------- */
.panel{position:relative;border:1px solid var(--line);background:var(--panel);padding:clamp(20px,4vw,30px);overflow:hidden}
.panel::before,.panel::after{content:"";position:absolute;width:18px;height:18px;border:2px solid var(--cyan)}
.panel::before{left:-1px;top:-1px;border-right:0;border-bottom:0}
.panel::after{right:-1px;bottom:-1px;border-left:0;border-top:0}
.corner-tr,.corner-bl{position:absolute;width:18px;height:18px;border:2px solid var(--magenta)}
.corner-tr{right:-1px;top:-1px;border-left:0;border-bottom:0}
.corner-bl{left:-1px;bottom:-1px;border-right:0;border-top:0}
.beam{position:absolute;left:0;right:0;top:0;height:2px;overflow:hidden;pointer-events:none;z-index:3}
.beam::before{content:"";position:absolute;top:0;left:-32%;width:32%;height:100%;
  background:linear-gradient(90deg,transparent,var(--cyan),#eafdff,var(--magenta),transparent);box-shadow:0 0 14px var(--cyan);animation:beam 3.8s linear infinite}
@keyframes beam{0%{left:-32%}100%{left:100%}}

/* ---------- hero ---------- */
.hero{position:relative;z-index:5;display:grid;grid-template-columns:64px minmax(0,1.3fr) minmax(0,0.94fr);gap:22px;
  padding:clamp(24px,4vw,38px) clamp(16px,4vw,34px) 38px 0;align-items:stretch}
.hero-rail{border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:20px;padding:6px 0;
  background:linear-gradient(180deg,rgba(0,240,255,.045),transparent)}
.hero-rail .dot{width:9px;height:9px;border-radius:50%;background:var(--magenta);box-shadow:0 0 12px var(--magenta);animation:pulse 1.8s ease infinite}
@keyframes pulse{50%{opacity:.35;box-shadow:0 0 4px var(--magenta)}}
.hero-rail .ic{width:36px;height:36px;border:1px solid var(--line);display:grid;place-items:center;color:var(--dim);font-size:16px;border-radius:8px;transition:.18s;text-decoration:none}
.hero-rail .ic.on{color:var(--cyan);border-color:rgba(0,240,255,.55);box-shadow:0 0 16px rgba(0,240,255,.25) inset}
.hero-rail .ic:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-1px)}
.hero-rail .vtxt{margin-top:auto;writing-mode:vertical-rl;color:var(--dim);font-size:10px;letter-spacing:3px}
.pmeta{position:absolute;right:14px;top:12px;font-size:10px;color:var(--dim);letter-spacing:1px;text-align:right;line-height:1.6;font-family:var(--mono)}
.pmeta b{color:var(--cyan)}
.kick{font-family:var(--mono);font-size:11.5px;color:var(--magenta);letter-spacing:3px;margin-bottom:16px}
.kick::before{content:"// "}
.titlewrap{position:relative}
h1.glitchwrap{font-family:var(--sc);font-weight:900;font-size:clamp(28px,5vw,52px);line-height:1.05;color:#fff;
  letter-spacing:1px;text-shadow:0 0 22px rgba(0,240,255,.25)}
.glitch{position:relative;display:inline-block}
.glitch::before,.glitch::after{content:attr(data-t);position:absolute;left:0;top:0;width:100%;overflow:hidden}
.glitch::before{color:var(--cyan);transform:translate(-1px,0);opacity:.85;animation:gx 4s infinite linear;mix-blend-mode:screen}
.glitch::after{color:var(--magenta);transform:translate(1px,0);opacity:.85;animation:gy 4.6s infinite linear;mix-blend-mode:screen}
@keyframes gx{0%,90%,100%{clip-path:inset(0 0 0 0);transform:translate(-1px,0)}92%{clip-path:inset(40% 0 38% 0);transform:translate(-7px,0)}95%{clip-path:inset(8% 0 70% 0);transform:translate(5px,0)}}
@keyframes gy{0%,88%,100%{clip-path:inset(0 0 0 0);transform:translate(1px,0)}90%{clip-path:inset(62% 0 12% 0);transform:translate(7px,0)}94%{clip-path:inset(20% 0 56% 0);transform:translate(-5px,0)}}
.ghost{position:absolute;left:0;top:0;font-family:var(--sc);font-weight:900;font-size:clamp(28px,5vw,52px);line-height:1.05;letter-spacing:1px;
  -webkit-text-stroke:1px rgba(0,240,255,.16);color:transparent;transform:translate(6px,6px);z-index:-1;pointer-events:none}
.tunder{height:2px;width:min(440px,82%);margin-top:15px;background:linear-gradient(90deg,var(--cyan),var(--magenta) 60%,transparent);
  box-shadow:0 0 16px rgba(0,240,255,.5);position:relative}
.tunder::before{content:"";position:absolute;left:0;top:-3px;width:8px;height:8px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.tunder::after{content:"";position:absolute;left:0;top:-3px;width:34px;height:8px;background:rgba(0,240,255,.25);animation:slide 3.2s ease-in-out infinite}
@keyframes slide{0%,100%{left:0}50%{left:calc(100% - 34px)}}
.lead{margin:18px 0 4px;color:var(--txt2);font-size:15px;line-height:1.9;max-width:48ch}
.lead b{color:var(--cyan);font-weight:500}

/* ---------- 模块 chips ---------- */
.mods{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0 2px}
.mod{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--txt);padding:8px 14px;border:1px solid var(--line);
  background:rgba(0,240,255,.03);transition:.16s;letter-spacing:.5px}
.mod i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.mod:hover{border-color:var(--cyan);color:#fff;background:rgba(0,240,255,.09);box-shadow:0 0 14px rgba(0,240,255,.2);transform:translateY(-1px)}

/* ---------- §9 接入卡(转化区) ---------- */
.access{margin-top:24px;border:1px solid rgba(0,240,255,.34);background:linear-gradient(180deg,rgba(0,240,255,.06),rgba(255,43,214,.04));padding:18px;position:relative}
.access::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(180deg,var(--cyan),var(--magenta));box-shadow:0 0 14px var(--cyan)}
.access .lab{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:2px;margin-bottom:12px}
.access .lab::before{content:"▸ "}
.coderow{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.code{font-family:var(--disp);font-weight:800;font-size:clamp(24px,4vw,30px);letter-spacing:3px;color:var(--amber);
  text-shadow:0 0 16px rgba(240,185,11,.5);padding:5px 16px;border:1px dashed rgba(240,185,11,.55);background:rgba(240,185,11,.07)}
.copy{font-family:var(--mono);font-size:12px;color:var(--cyan);background:transparent;border:1px solid var(--cyan);padding:10px 14px;cursor:pointer;letter-spacing:1px;transition:.16s}
.copy:hover{background:var(--cyan);color:#04121a;box-shadow:0 0 16px rgba(0,240,255,.4)}
.ctas{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.btn{position:relative;font-family:var(--sc);font-weight:700;font-size:15px;padding:13px 26px;display:inline-flex;align-items:center;gap:9px;letter-spacing:1px;transition:.14s;border:1px solid;cursor:pointer}
.btn.prim{background:var(--amber);color:#15100a;border-color:var(--amber);overflow:hidden}
.btn.prim:hover{box-shadow:0 0 26px rgba(240,185,11,.6);transform:translateY(-1px)}
.btn.prim::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);pointer-events:none;animation:shine 5s ease-in-out infinite}
@keyframes shine{0%,55%{left:-70%}80%,100%{left:140%}}
/* 🔴 .btn.ghost 与首屏标题 .ghost 类名撞车,显式覆盖被泄漏的属性(否则按钮 pointer-events:none 点不动) */
.btn.ghost{background:rgba(0,240,255,.12);color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 14px rgba(0,240,255,.22);
  pointer-events:auto;position:relative;z-index:1;transform:none;-webkit-text-stroke:0}
.btn.ghost:hover{background:rgba(0,240,255,.22);box-shadow:0 0 24px rgba(0,240,255,.45);transform:translateY(-1px)}
.btn .t{position:relative;display:inline-block}
.btn:hover .t::before,.btn:hover .t::after{content:attr(data-t);position:absolute;left:0;top:0;opacity:.85}
.btn:hover .t::before{color:#00f0ff;transform:translate(-2px,0);mix-blend-mode:screen}
.btn:hover .t::after{color:#ff2bd6;transform:translate(2px,0);mix-blend-mode:screen}
.benefit{margin-top:14px;font-size:13px;color:var(--txt);line-height:1.6}
.benefit b{color:var(--amber)}
.fn{display:block;margin-top:6px;font-size:11px;color:var(--dim)}
.cmd{margin-top:18px;font-family:var(--mono);font-size:12.5px;color:var(--dim);letter-spacing:.5px}
.cmd .ps{color:var(--ok)} .cmd .pa{color:var(--cyan)}
.cmd .bc{display:inline-block;width:8px;height:14px;background:var(--cyan);margin-left:5px;vertical-align:-2px;animation:blink 1.05s steps(1) infinite;box-shadow:0 0 8px var(--cyan)}

/* ---------- 右侧 HUD 卡 ---------- */
.side{display:flex;flex-direction:column;gap:16px;min-width:0}
.card{border:1px solid var(--line2);background:var(--panel);padding:15px 16px;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;width:11px;height:11px;border-left:2px solid var(--cyan);border-top:2px solid var(--cyan);opacity:.65}
.card::after{content:"";position:absolute;right:0;bottom:0;width:11px;height:11px;border-right:2px solid var(--magenta);border-bottom:2px solid var(--magenta);opacity:.65}
.card h3{font-family:var(--mono);font-size:11px;color:var(--magenta);letter-spacing:2px;font-weight:400;margin-bottom:10px}
.card h3 span{float:right;color:var(--dim)}
.card .live{color:var(--ok);font-size:10px;float:right}.card .live::before{content:"● ";animation:blink 1.4s steps(1) infinite}
.big{font-family:var(--disp);font-weight:800;font-size:30px;color:var(--cyan);text-shadow:0 0 14px rgba(0,240,255,.45)}
.big small{font-size:13px;color:var(--ok);font-weight:400;margin-left:8px;font-family:var(--mono)}
.spark{display:flex;align-items:flex-end;gap:3px;height:46px;margin-top:10px}
.spark i{flex:1;background:linear-gradient(180deg,var(--cyan),rgba(0,240,255,.12));display:block;box-shadow:0 0 6px rgba(0,240,255,.3);transform-origin:bottom;animation:grow .9s ease backwards}
@keyframes grow{from{transform:scaleY(0)}}
.gauge{height:8px;background:rgba(255,255,255,.06);margin-top:12px;position:relative;overflow:hidden}
.gauge i{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,var(--cyan),var(--magenta));box-shadow:0 0 12px var(--magenta);animation:fill 1.3s ease forwards}
@keyframes fill{to{width:var(--w)}}
.grow{display:flex;justify-content:space-between;font-size:11px;color:var(--dim);margin-top:8px;font-family:var(--mono)}
.note{font-family:var(--mono);font-size:10px;color:var(--dim);margin-top:10px;letter-spacing:.5px}
.note::before{content:"// "}
.radial{display:flex;flex-direction:column;align-items:center;padding-top:2px}
.radial svg{width:188px;height:94px}
.radial .arcbg{stroke:rgba(255,255,255,.07)}
.radial .arcfg{stroke:url(#sg);filter:drop-shadow(0 0 6px rgba(255,43,214,.6))}
.radial .needle{stroke:#fff;stroke-width:2;filter:drop-shadow(0 0 5px var(--cyan))}
.radial .cen{font-weight:700;font-size:19px;color:var(--magenta);text-shadow:0 0 14px rgba(255,43,214,.5);margin-top:-14px}
.radial .ends{display:flex;justify-content:space-between;width:100%;font-size:11px;color:var(--dim);margin-top:8px;font-family:var(--mono)}

/* ---------- 文章 / 正文排版 ---------- */
.article{position:relative;z-index:5;max-width:760px;margin:0 auto;padding:clamp(24px,5vw,44px) clamp(16px,4vw,30px) 60px}
.crumb{font-family:var(--mono);font-size:12px;color:var(--dim);margin-bottom:20px}
.crumb a{color:var(--dim)} .crumb a:hover{color:var(--cyan)} .crumb span{color:var(--magenta)}
.atitle{font-family:var(--sc);font-weight:900;font-size:clamp(26px,4.4vw,40px);line-height:1.2;color:#fff;margin:6px 0 16px;text-shadow:0 0 22px rgba(0,240,255,.18)}
.ameta{display:flex;flex-wrap:wrap;gap:14px;font-family:var(--mono);font-size:12px;color:var(--dim);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:8px}
.ameta b{color:var(--cyan);font-weight:400}
.article-cover{margin:24px 0;border:1px solid var(--line);position:relative}
.article-cover img{width:100%}
.toc{border:1px solid var(--line);background:var(--panel);padding:18px 20px;margin:26px 0}
.toc strong{font-family:var(--mono);font-size:12px;color:var(--magenta);letter-spacing:2px;display:block;margin-bottom:10px}
.toc strong::before{content:"// "}
.toc ol{margin:0;padding-left:20px} .toc li{margin:5px 0}
.toc a{color:var(--txt2);font-size:14px} .toc a:hover{color:var(--cyan)}
.prose{font-size:16.5px;line-height:1.95;color:var(--txt2)}
.prose h2{font-family:var(--sc);font-weight:700;font-size:clamp(20px,3vw,26px);color:#fff;margin:40px 0 14px;padding-left:14px;border-left:3px solid var(--cyan);scroll-margin-top:80px}
.prose h3{font-weight:700;font-size:19px;color:var(--cyan);margin:28px 0 10px;scroll-margin-top:80px}
.prose p{margin:14px 0}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(0,240,255,.3)}
.prose a:hover{border-color:var(--cyan)}
.prose strong{color:#fff;font-weight:700}
.prose ul,.prose ol{margin:14px 0;padding-left:24px}
.prose li{margin:7px 0}
.prose blockquote{border-left:3px solid var(--magenta);background:rgba(255,43,214,.05);padding:12px 18px;margin:20px 0;color:var(--txt)}
.prose code{font-family:var(--mono);background:rgba(0,240,255,.08);color:var(--cyan);padding:2px 6px;font-size:.9em}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:rgba(0,240,255,.06);color:var(--cyan);font-family:var(--mono);font-weight:400}
.prose td{color:var(--txt2)}
.callout{border:1px solid var(--amber);background:rgba(240,185,11,.06);padding:14px 18px;margin:22px 0;border-radius:0}
.callout b{color:var(--amber)}
.handson{border:1px solid var(--line);border-left:3px solid var(--ok);background:rgba(40,224,155,.04);padding:16px 20px;margin:24px 0}
.handson .tag{font-family:var(--mono);font-size:11px;color:var(--ok);letter-spacing:2px;display:block;margin-bottom:8px}
.handson .tag::before{content:"● "}
/* 文中转化条 */
.cta-inline{border:1px solid rgba(0,240,255,.34);background:linear-gradient(180deg,rgba(0,240,255,.05),rgba(255,43,214,.03));padding:18px 20px;margin:30px 0;position:relative}
.cta-inline .lab{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:2px;margin-bottom:10px}
.cta-inline .row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ---------- 工具页 ---------- */
.tool{position:relative;z-index:5;max-width:880px;margin:0 auto;padding:clamp(24px,5vw,44px) clamp(16px,4vw,30px) 60px}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.tfield{margin:14px 0}
.tfield label{display:block;font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:1px;margin-bottom:6px}
.tfield input,.tfield select{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);padding:11px 13px;font-family:var(--mono);font-size:15px}
.tfield input:focus,.tfield select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,240,255,.15)}
.tfield input[type=range]{padding:0;accent-color:var(--cyan)}
.result{border:1px solid var(--line);background:var(--panel);padding:22px;position:relative;overflow:hidden}
.result .rlab{font-family:var(--mono);font-size:11px;color:var(--magenta);letter-spacing:2px;margin-bottom:6px}
.result .rbig{font-family:var(--disp);font-weight:800;font-size:clamp(30px,6vw,46px);color:var(--cyan);text-shadow:0 0 18px rgba(0,240,255,.4);line-height:1.1}
.result .rsub{color:var(--dim);font-size:13px;margin-top:8px;font-family:var(--mono)}
.barcmp{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.barcmp .bar{height:30px;background:rgba(255,255,255,.05);position:relative;overflow:hidden}
.barcmp .bar i{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,var(--cyan),var(--magenta));transition:width .5s}
.barcmp .bar span{position:absolute;left:10px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:12px;color:#fff;z-index:2}

/* ---------- 卡片网格(首页文章/工具列表) ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.tile{border:1px solid var(--line);background:var(--panel);padding:0;position:relative;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.tile::after{content:"";position:absolute;right:0;bottom:0;width:11px;height:11px;border-right:2px solid var(--magenta);border-bottom:2px solid var(--magenta);opacity:.5}
.tile:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,240,255,.1)}
.tile .cov{aspect-ratio:1200/630;overflow:hidden;border-bottom:1px solid var(--line)}
.tile .cov img{width:100%;height:100%;object-fit:cover}
.tile .body{padding:16px 18px;display:flex;flex-direction:column;flex:1}
.tile .ttag{font-family:var(--mono);font-size:11px;color:var(--magenta);letter-spacing:1px;margin-bottom:8px}
.tile h3{font-size:17px;color:#fff;font-weight:700;line-height:1.4;margin-bottom:8px}
.tile p{font-size:13.5px;color:var(--dim);line-height:1.6;flex:1}
.tile .go{font-family:var(--mono);font-size:12px;color:var(--cyan);margin-top:12px}
.tile:hover .go{text-shadow:0 0 10px var(--cyan)}

/* ---------- 页脚 ---------- */
.foot{position:relative;z-index:5;border-top:1px solid var(--line);background:rgba(5,7,13,.6);margin-top:30px;padding:40px 0 30px}
.foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot h4{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:2px;margin-bottom:14px}
.foot a{display:block;color:var(--dim);font-size:13.5px;padding:4px 0}
.foot a:hover{color:var(--cyan)}
.foot .disc{color:var(--dim);font-size:12.5px;line-height:1.7;margin-top:10px}
.foot .bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-family:var(--mono);font-size:11.5px;color:var(--dim);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding:22px clamp(16px,4vw,34px) 30px}
  .hero-rail{display:none}
  .foot .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .topnav{display:none}
  .ticker{display:none}
  .tool-grid{grid-template-columns:1fr}
  .hero{padding:22px 16px}
  .panel{display:flex;flex-direction:column}
  .hero .lead{order:0;margin:13px 0 2px;line-height:1.7}
  .hero .access{order:1;margin-top:14px}
  .hero .mods{order:2;margin:16px 0 2px}
  .hero .cmd{order:3;margin-top:14px}
  .hero .kick{margin-bottom:10px}
  .pmeta{display:none}
  .foot .cols{grid-template-columns:1fr}
}