/* PULYK · 版式库 36「标注线框」：说明书式左图右文。每一页 = 图题栏线框图框（左）+ 标题与编号清单（右）；正文按二级小标题切成说明块，左边页边栏放局部放大图或标注圈；问答是一张表。
   窄屏（≤640）首屏留给线框图，标注 ⓪ 票根码卡缩成底部固定条。改了这个文件把 hugo.toml 的 assetVersion +1。 */
:root{
  --ink:#111827;--ink2:#374151;--ink3:#4b5563;--mute:#6b7280;
  --line:#d1d5db;--line2:#e5e7eb;--line-f:#cfd4dc;
  --paper:#f4f5f7;--card:#fff;--head:#f3f4f6;--bar:#111827;
  --red:#dc2626;--red-d:#b91c1c;--red-l:#fef2f2;--red-b:#fecaca;
  --ok:#16a34a;--ok-d:#15803d;--ok-l:#f0fdf4;--ok-b:#bbf7d0;
  --blue:#2563eb;--blue-d:#1d4ed8;--amber:#b45309;--amber-l:#fffbeb;--amber-b:#fde68a;
  --mono:ui-monospace,"Cascadia Mono","SFMono-Regular",Consolas,Menlo,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:12px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 var(--sans);overflow-wrap:break-word}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.pk-skip{position:absolute;left:-9999px;top:0}
.pk-skip:focus{left:12px;top:8px;z-index:99;background:#fff;color:var(--ink);padding:8px 12px;border-radius:6px}

/* ── 深色细页头 ── */
.pk-bar{background:var(--bar);color:#fff;padding:0 24px}
.pk-bar-in{max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:16px;min-height:48px}
.pk-logo{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:900;font-size:15px;letter-spacing:.2em;min-height:44px}
.pk-mark{flex:none;display:block}
.pk-nav{margin-left:auto;display:flex;flex-wrap:wrap;justify-content:flex-end}
.pk-nav a{color:#9ca3af;text-decoration:none;font-size:13px;padding:0 9px;min-height:44px;display:inline-flex;align-items:center}
.pk-nav a:hover,.pk-nav a[aria-current]{color:#fff}
.pk-nav a[aria-current]{box-shadow:inset 0 -2px 0 var(--red)}

/* ── 开场：左图框 + 右文 ── */
.pk-doc{max-width:1120px;margin:0 auto;padding:24px 24px 6px;display:grid;grid-template-columns:420px minmax(0,1fr);gap:44px;align-items:start}
.pk-figcol{position:sticky;top:14px;min-width:0}
.pk-fig{margin:0;background:var(--card);border:1px solid var(--line-f);border-radius:10px;overflow:hidden;box-shadow:0 1px 0 rgba(17,24,39,.04),0 22px 44px -30px rgba(17,24,39,.45)}
.pk-fig-t{background:var(--head);border-bottom:1px solid var(--line-f);font:700 11px/1.45 var(--mono);letter-spacing:.12em;color:var(--ink2);padding:10px 14px}
.pk-fig-in{padding:12px 18px 4px;background:radial-gradient(circle,#e3e6eb 1px,transparent 1.3px) 0 0/14px 14px,linear-gradient(180deg,#fff,#f8f9fb)}
.pk-wire{display:block;width:100%;height:auto;overflow:visible}
.pk-fig-c{margin:0;padding:9px 14px 12px;font-size:12px;line-height:1.65;color:var(--mute);border-top:1px dashed var(--line2)}

/* 线框里的笔画（SVG 类名，wire.html / part.html 共用） */
.pk-w-shadow{fill:rgba(17,24,39,.14)}
.pk-w-body{fill:#1f2937}
.pk-w-scr{fill:#fff}
.pk-w-notch{fill:#1f2937}
.pk-w-ttl{font-size:13.5px;font-weight:800;fill:#111827;font-family:var(--sans)}
.pk-w-rule{stroke:#e5e7eb;stroke-width:1}
.pk-w-lab{font-size:11px;font-weight:700;fill:#6b7280;font-family:var(--sans)}
.pk-w-box{fill:#f3f4f6;stroke:#c3c9d2;stroke-width:1.3}
.pk-w-box.is-fixed{fill:#e6ecf5;stroke:#aab6c8}
.pk-w-box.is-upload,.pk-w-box.is-ghost{fill:#fbfbfc;stroke:#aeb5c0;stroke-dasharray:5 4}
.pk-w-ph{font-size:12px;fill:#9ca3af;font-family:var(--sans)}
.pk-w-val{font-size:12px;font-weight:700;fill:#111827;font-family:var(--sans)}
.pk-w-plus{font-size:16px;font-weight:800;fill:var(--blue);font-family:var(--sans)}
.pk-w-chev{font-size:12px;fill:#6b7280;font-family:var(--sans)}
.pk-w-row{font-size:12.5px;font-weight:600;fill:#1f2937;font-family:var(--sans)}
.pk-w-sep{stroke:#eceef2;stroke-width:1}
.pk-w-note{font-size:10px;fill:#6b7280;font-family:var(--sans)}
.pk-w-btn{fill:var(--blue)}
.pk-w-btnt{font-size:13.5px;font-weight:800;fill:#fff;font-family:var(--sans)}
.pk-w-lock{fill:#94a3b8}
.pk-w-lockr{fill:none;stroke:#94a3b8;stroke-width:1.6}
.pk-w-cl{stroke:var(--red);stroke-width:2;fill:none}
.pk-w-cl.is-ok{stroke:var(--ok)}
.pk-w-cl.is-plain{stroke:#9ca3af}
.pk-w-cl.is-zero{stroke-dasharray:3 3}
.pk-w-c{fill:var(--red)}
.pk-w-c.is-ok{fill:var(--ok)}
.pk-w-c.is-plain{fill:#6b7280}
.pk-w-c.is-zero{fill:#fff;stroke:var(--red);stroke-width:2.5}
.pk-w-cn{font-size:12px;font-weight:800;fill:#fff;font-family:var(--mono)}
.pk-w-cn.is-zero{fill:var(--red)}
.pk-w-gk{font-size:10.5px;font-weight:800;fill:var(--ok-d);letter-spacing:.2em;font-family:var(--sans)}
.pk-w-gl{stroke:var(--ok);stroke-width:1.5;stroke-dasharray:3 3}
.pk-w-g{fill:var(--ok)}
.pk-w-tick{fill:none;stroke:#fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.pk-w-gt{font-size:11px;font-weight:800;fill:#166534;font-family:var(--sans)}
.pk-w-home{fill:#d1d5db}
.pk-wire a{cursor:pointer}
.pk-wire a:hover .pk-w-c,.pk-wire a:hover .pk-w-g{opacity:.82}
.pk-wire a:focus{outline:none}
.pk-wire a:focus-visible .pk-w-c,.pk-wire a:focus-visible .pk-w-g{stroke:#111827;stroke-width:3}

.pk-txt{min-width:0}
.pk-crumbs{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-wrap:wrap;font-size:12.5px;color:var(--mute)}
.pk-crumbs li+li::before{content:"/";margin:0 7px;color:#c0c5cd}
.pk-crumbs a{color:var(--mute);text-decoration:none;display:inline-block;padding:4px 0}
.pk-crumbs a:hover{color:var(--ink)}
.pk-kick{font:700 11px/1.5 var(--mono);letter-spacing:.2em;color:var(--red);margin:2px 0 10px;display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 14px}
.pk-kick span{color:var(--mute);letter-spacing:.04em;font-weight:500}
.pk-kick a{color:inherit}
h1{font-size:clamp(23px,2.6vw,31px);line-height:1.3;margin:0 0 10px;letter-spacing:-.01em}
.pk-dek{margin:0 0 16px;color:var(--ink3);font-size:14.5px;line-height:1.75}
.pk-intro{margin:0 0 18px;color:var(--ink3);font-size:14.5px;line-height:1.8}
.pk-intro p{margin:0 0 8px}

/* 编号清单 */
.pk-notes{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.pk-notes li{border-bottom:1px solid var(--line2)}
.pk-notes a{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;padding:8px 6px 8px 2px;text-decoration:none;min-height:44px;border-radius:6px}
.pk-notes a:hover{background:#fff}
.pk-mk{display:inline-block;width:24px;height:24px;border-radius:50%;background:var(--red);color:#fff;font:800 12px/24px var(--mono);text-align:center;flex:none;margin-top:1px}
.pk-mk.is-ok{background:var(--ok)}
.pk-mk.is-plain{background:#6b7280}
.pk-mk.is-zero{background:#fff;color:var(--red);box-shadow:inset 0 0 0 2px var(--red)}
.pk-mk.is-xs{width:18px;height:18px;font-size:10px;line-height:18px;margin:0}
.pk-mk.is-big{width:46px;height:46px;font-size:19px;line-height:46px}
.pk-nt{min-width:0}
.pk-nt b{display:block;font-size:14.5px;line-height:1.5}
.pk-nt em{float:right;margin-left:10px;font:500 11px/2 var(--mono);color:var(--mute);font-style:normal}
.pk-nt>span{display:block;font-size:13px;color:var(--ink3);line-height:1.55;margin-top:1px}
.pk-notes.is-wide{background:var(--card);border:1px solid var(--line-f);border-radius:10px;padding:2px 10px}
.pk-notes.is-wide li:last-child{border-bottom:0}
.pk-also{margin:10px 0 0;font-size:13px;display:flex;flex-wrap:wrap;align-items:center;gap:0 14px}
.pk-also b{font:700 10.5px var(--mono);letter-spacing:.2em;color:var(--mute)}
.pk-also a{display:inline-flex;align-items:center;gap:6px;color:var(--ink2);text-decoration:none;min-height:44px}
.pk-also a:hover{color:var(--ink);text-decoration:underline}

/* 标注 ⓪：红色票根码卡 */
.pk-kit{position:relative;margin-top:16px;display:grid;grid-template-columns:62px minmax(0,1fr);background:var(--card);border:1px solid var(--red-b);border-radius:12px;box-shadow:0 16px 32px -26px rgba(185,28,28,.7)}
.pk-kit::before,.pk-kit::after{content:"";position:absolute;left:53px;width:17px;height:17px;border-radius:50%;background:var(--paper);border:1px solid var(--red-b)}
.pk-kit::before{top:-9px;clip-path:inset(50% 0 0 0)}
.pk-kit::after{bottom:-9px;clip-path:inset(0 0 50% 0)}
.pk-kit-stub{background:linear-gradient(180deg,#ef4444,var(--red-d));color:#fff;border-radius:11px 0 0 11px;border-right:2px dashed rgba(255,255,255,.85);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:10px 0}
.pk-kit-stub b{font-size:30px;line-height:1;font-weight:700}
.pk-kit-stub span{font:700 10px var(--mono);letter-spacing:.35em;writing-mode:vertical-rl}
.pk-kit-main{padding:14px 18px;min-width:0}
.pk-kit-k{margin:0 0 6px;font:700 11.5px/1.4 var(--sans);letter-spacing:.14em;color:var(--red-d)}
.pk-kit-row{margin:0;display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px}
.pk-kit code{font:900 27px/1.1 var(--mono);letter-spacing:.08em;color:var(--ink)}
.pk-copy{font:600 13px var(--sans);border:1px solid #cfd4dc;background:#fff;color:var(--ink);border-radius:999px;padding:0 16px;min-height:40px;min-width:64px;cursor:pointer}
.pk-copy:hover{border-color:var(--ink)}
.pk-copy.is-done{background:var(--ok);border-color:var(--ok);color:#fff}
.pk-kit-gain{margin:9px 0 0;font-size:13.5px;line-height:1.6;color:var(--ink2)}
.pk-go{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;margin:10px 0 9px;padding:10px 14px;background:var(--red);color:#fff;text-decoration:none;border-radius:9px;font-weight:800;font-size:15px}
.pk-go:hover{background:var(--red-d)}
.pk-kit-mini{display:none}
.pk-kit-note,.pk-kit-hint{margin:0;font-size:11.5px;line-height:1.65;color:var(--mute)}
.pk-kit-hint{margin-top:4px}
.pk-kit.is-bare .pk-kit-hint{color:var(--ink2)}

/* 文章的「先说结论」 */
.pk-ans{margin-top:18px;background:var(--card);border:1px solid var(--line-f);border-left:5px solid var(--ink);border-radius:10px;padding:13px 16px}
.pk-ans-k{margin:0 0 4px;font:700 10.5px var(--mono);letter-spacing:.2em;color:var(--mute)}
.pk-ans p{margin:0;font-size:14.5px;line-height:1.75}
.pk-ans-go{display:inline-flex;align-items:center;min-height:44px;margin-top:4px;font-size:13px;color:var(--blue-d)}

.pk-cover{max-width:1120px;margin:16px auto 0;padding:0 24px}
.pk-cover img{display:block;border-radius:10px;border:1px solid var(--line-f)}
.pk-cover figcaption{font-size:12px;color:var(--mute);margin-top:6px}

/* ── 正文：说明块 ── */
.pk-main{max-width:1120px;margin:0 auto;padding:6px 24px 44px}
.pk-secs{margin-top:28px;border-top:2px solid var(--ink)}
.pk-lead{max-width:46em;margin:24px 0 0 252px}
.pk-sec{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;padding:30px 0 22px;border-bottom:1px solid var(--line)}
.pk-gut{position:sticky;top:14px;align-self:start;min-width:0}
.pk-part{margin:0}
.pk-part svg{display:block;width:100%;height:auto}
.pk-p-bg{fill:#fff;stroke:#d5d9e0}
.pk-part figcaption{font:700 10.5px var(--mono);letter-spacing:.14em;color:var(--mute);margin-top:6px}
.pk-gut-k{margin:8px 0 0;font-size:13px;line-height:1.5}
.pk-gut-k b{display:block;font:800 11.5px/1.6 var(--sans);letter-spacing:.14em;color:var(--red)}
.pk-sec.is-ok .pk-gut-k b{color:var(--ok-d)}
.pk-sec.is-plain .pk-gut-k b{color:var(--mute)}
.pk-gut-k span{color:var(--ink2);font-weight:700}
.pk-sec-main{max-width:46em;min-width:0}
.pk-sec-main>h2,.pk-h{font-size:22px;line-height:1.42;margin:0 0 12px;letter-spacing:-.005em}
.pk-body p{margin:0 0 14px}
.pk-body h3{font-size:17px;line-height:1.5;margin:24px 0 8px}
.pk-body h4{font-size:15px;margin:18px 0 6px}
.pk-body ul,.pk-body ol{padding-left:1.4em;margin:0 0 14px}
.pk-body li{margin:4px 0}
.pk-body a{color:var(--blue-d);text-underline-offset:2px}
.pk-body strong{font-weight:800}
.pk-body code{font:600 .92em var(--mono);background:#eef0f3;border-radius:4px;padding:1px 5px}
.pk-body blockquote{margin:0 0 14px;padding:4px 14px;border-left:3px solid var(--line);color:var(--ink3)}
.pk-body hr{border:0;border-top:1px dashed var(--line);margin:22px 0}

/* 正文表格（render-table 钩子） */
.pk-tbl{margin:0 0 16px;overflow-x:auto;border:1px solid var(--line-f);border-radius:8px;background:#fff}
.pk-tbl table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.65}
.pk-tbl th{text-align:left;background:var(--head);font:700 11px var(--mono);letter-spacing:.12em;color:var(--ink2);padding:9px 12px;border-bottom:1px solid var(--line-f);white-space:nowrap}
.pk-tbl td{padding:10px 12px;border-bottom:1px solid var(--line2);vertical-align:top;color:var(--ink2)}
.pk-tbl tr:last-child td{border-bottom:0}
.pk-tbl td:first-child{font-weight:700;color:var(--ink)}

/* 提示块 */
.pk-note{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;margin:0 0 16px;padding:12px 14px;border-radius:8px;border:1px solid var(--line-f);background:#fff}
.pk-note-k{font:800 10.5px/1 var(--mono);letter-spacing:.18em;color:#fff;background:var(--blue);border-radius:4px;padding:6px 7px;align-self:start;margin-top:2px}
.pk-note.is-warn{border-color:var(--amber-b);background:var(--amber-l)}
.pk-note.is-warn .pk-note-k{background:var(--amber)}
.pk-note.is-stop{border-color:var(--red-b);background:var(--red-l)}
.pk-note.is-stop .pk-note-k{background:var(--red)}
.pk-note.is-ok{border-color:var(--ok-b);background:var(--ok-l)}
.pk-note.is-ok .pk-note-k{background:var(--ok)}
.pk-note-t{display:block;margin-bottom:2px}
.pk-note .pk-body p:last-child,.pk-note .pk-body ul:last-child{margin-bottom:0}
.pk-note .pk-body{font-size:15px}

/* 你看到 → 这样办 */
.pk-state{display:grid;grid-template-columns:minmax(0,1fr) 66px minmax(0,1.3fr);margin:0 0 16px;border:1px solid var(--line-f);border-radius:8px;background:#fff;overflow:hidden}
.pk-state-say{padding:12px 14px;background:#f8f9fb}
.pk-state-say p{margin:0;font-weight:700;font-size:14.5px;line-height:1.6}
.pk-state-k{display:block;font:700 10px var(--mono);letter-spacing:.18em;color:var(--mute);margin-bottom:4px}
.pk-state-arrow{position:relative;background:#f8f9fb;border-right:1px solid var(--line2)}
.pk-state-arrow::after{content:"";position:absolute;left:10px;right:8px;top:50%;height:2px;background:var(--red)}
.pk-state-arrow::before{content:"";position:absolute;right:6px;top:calc(50% - 5px);border:6px solid transparent;border-left-color:var(--red);border-right:0}
.pk-state-arrow span{position:absolute;left:4px;right:4px;top:calc(50% + 6px);font-size:10px;line-height:1.3;color:var(--mute);text-align:center}
.pk-state-do{padding:12px 14px}
.pk-state-do .pk-body p:last-child{margin-bottom:0}

/* 依据 */
.pk-basis{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;margin:18px 0 6px;padding:12px 14px;border:1px dashed #aeb5c0;border-radius:8px;font-size:14px;color:var(--ink3)}
.pk-basis-k{font:800 10.5px/1 var(--mono);letter-spacing:.2em;color:var(--ink);border:1px solid var(--ink);border-radius:4px;padding:5px 6px;align-self:start;margin-top:2px}
.pk-basis .pk-body p:last-child,.pk-basis .pk-body ul:last-child{margin-bottom:0}

/* 步骤清单 */
.pk-steps{margin:0 0 18px;background:#fff;border:1px solid var(--line-f);border-radius:10px;padding:14px 16px 8px}
.pk-steps-t{margin:0 0 4px;display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.pk-steps-t span{font:700 11px var(--mono);letter-spacing:.14em;color:var(--mute)}
.pk-steps-lead{margin:0 0 8px;font-size:14px;color:var(--ink3)}
.pk-steps ol{list-style:none;margin:0;padding:0}
.pk-steps li{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:12px;align-items:start;padding:10px 0;border-top:1px solid var(--line2)}
.pk-steps-n{width:26px;height:26px;border-radius:7px;background:var(--ink);color:#fff;font:800 12px/26px var(--mono);text-align:center}
.pk-steps li b{display:block;font-size:15px;line-height:1.5}
.pk-steps li p{margin:2px 0 0;font-size:14px;line-height:1.7;color:var(--ink3)}
.pk-steps li>a{font-size:12.5px;color:var(--blue-d);white-space:nowrap;min-height:36px;display:inline-flex;align-items:center}

/* 截图与本站图 */
.pk-shot,.pk-figure{margin:0 0 18px}
.pk-shot-box{border:1px solid var(--line-f);border-radius:10px;overflow:hidden;background:#fff}
.pk-shot-bar{display:flex;align-items:center;gap:5px;padding:7px 10px;background:var(--head);border-bottom:1px solid var(--line-f)}
.pk-shot-bar i{width:8px;height:8px;border-radius:50%;background:#cbd0d8}
.pk-shot-bar em{margin-left:8px;font:500 11px var(--mono);font-style:normal;color:var(--mute)}
.pk-shot img,.pk-figure img{display:block;width:100%}
.pk-shot.is-phone .pk-shot-box{max-width:300px;border:8px solid #1f2937;border-radius:26px}
.pk-shot figcaption,.pk-figure figcaption{font-size:12.5px;line-height:1.6;color:var(--mute);margin-top:6px}
.pk-figure img{border-radius:10px;border:1px solid var(--line-f)}
.pk-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;margin:0 0 6px}

/* ── 标注之外：问答表 ── */
.pk-out{margin-top:40px}
.pk-out-top h2{font-size:22px;line-height:1.4;margin:0 0 6px}
.pk-out-lead{margin:0 0 14px;color:var(--ink3);font-size:14.5px}
.pk-qt table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line-f);font-size:14.5px;line-height:1.7}
.pk-qt thead th{text-align:left;background:var(--head);font:700 11px var(--mono);letter-spacing:.15em;color:var(--ink2);padding:9px 12px;border-bottom:1px solid var(--line-f)}
.pk-qt td,.pk-qt tbody th{padding:12px;border-bottom:1px solid var(--line2);vertical-align:top;text-align:left}
.pk-qt tbody tr:last-child>*{border-bottom:0}
.pk-qt .pk-qn{width:54px;font:800 12px/1.9 var(--mono);color:var(--red)}
.pk-qt thead .pk-qn{color:var(--ink2)}
.pk-q{width:34%;font-weight:700;color:var(--ink)}
.pk-a{color:var(--ink2)}

/* 标签条、相关、最新、作者 */
.pk-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:30px 0 0;font-size:13px}
.pk-tags-h{font:700 10.5px var(--mono);letter-spacing:.2em;color:var(--mute);margin-right:4px}
.pk-tags a,.pk-tag-plain{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:1px solid var(--line-f);border-radius:999px;background:#fff;text-decoration:none;color:var(--ink2)}
.pk-tags a:hover{border-color:var(--ink);color:var(--ink)}
.pk-tag-plain{color:var(--mute);background:transparent;border-style:dashed}
.pk-side{margin-top:38px}
.pk-side-top h2{font-size:20px;margin:0 0 12px}
.pk-all{margin:10px 0 0;font-size:14px}
.pk-all a{color:var(--blue-d);display:inline-flex;min-height:40px;align-items:center}
.pk-author{margin-top:40px;padding:18px 20px;background:#fff;border:1px solid var(--line-f);border-radius:10px;font-size:14px;color:var(--ink3);line-height:1.8}
.pk-author p{margin:0 0 8px}
.pk-author-n{display:flex;align-items:center;gap:10px;color:var(--ink)}
.pk-author-n i{width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-style:normal;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.pk-author-n span{font-size:12.5px;color:var(--mute)}
.pk-author-l{display:flex;flex-wrap:wrap;gap:0 18px;margin:0!important}
.pk-author-l a{color:var(--blue-d);min-height:40px;display:inline-flex;align-items:center}

/* 翻页 */
.pk-pager{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;padding:12px 0;border-top:1px solid var(--line);font-size:14px}
.pk-pg{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line-f);border-radius:8px;background:#fff;text-decoration:none}
.pk-pg.is-off{color:#c0c5cd;background:transparent}
.pk-pg-at{font:600 12px var(--mono);color:var(--mute)}

/* 404 */
.pk-404-links{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;padding-top:22px}
.pk-404-links .pk-kick{width:100%;margin:0}
.pk-404-links a{min-height:44px;display:inline-flex;align-items:center;color:var(--blue-d)}

/* ── 页脚 ── */
.pk-foot{background:#fff;border-top:1px solid var(--line);padding:28px 24px 34px;font-size:13px;color:var(--mute);line-height:1.8}
.pk-foot-in{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:14px 44px}
.pk-foot p{margin:0 0 8px}
.pk-foot a{color:var(--ink2)}
.pk-logo.is-foot{color:var(--ink);margin-bottom:4px}
.pk-foot-risk{font-size:12px}
.pk-foot-links{display:flex;flex-wrap:wrap;align-content:flex-start;gap:0 6px}
.pk-foot-links a{min-height:44px;min-width:44px;padding:0 5px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.pk-foot-links a:hover{text-decoration:underline}
.pk-foot-c{grid-column:1/-1;font:500 11.5px var(--mono);margin:6px 0 0!important}
.pk-foot-c a{display:inline-block;padding:12px 0}

/* ── 平板 ── */
@media (max-width:1040px){
  .pk-doc{grid-template-columns:350px minmax(0,1fr);gap:30px}
  .pk-sec{grid-template-columns:170px minmax(0,1fr);gap:24px}
  .pk-lead{margin-left:194px}
}
@media (max-width:760px){
  .pk-doc{grid-template-columns:1fr;gap:20px;padding-top:18px}
  .pk-figcol{position:static;max-width:440px;width:100%;margin:0 auto}
  .pk-sec{grid-template-columns:1fr;gap:10px;padding:24px 0 16px}
  .pk-gut{position:static;display:flex;align-items:center;gap:12px}
  .pk-gut .pk-part{flex:0 1 250px}
  .pk-gut-k{margin:0}
  .pk-mk.is-big{width:36px;height:36px;font-size:15px;line-height:36px}
  .pk-lead{margin-left:0}
  .pk-foot-in{grid-template-columns:1fr}
  .pk-pair{grid-template-columns:1fr}
  .pk-state{grid-template-columns:1fr}
  .pk-state-arrow{height:30px;border-right:0;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
  .pk-state-arrow::after{left:50%;right:auto;top:6px;bottom:6px;width:2px;height:auto}
  .pk-state-arrow::before{right:auto;left:calc(50% - 5px);top:auto;bottom:2px;border:6px solid transparent;border-top-color:var(--red);border-bottom:0}
  .pk-state-arrow span{left:calc(50% + 10px);right:auto;top:8px;text-align:left}
  .pk-tbl[data-cols="3"] table,.pk-tbl[data-cols="4"] table,.pk-tbl[data-cols="5"] table{display:block}
  .pk-tbl[data-cols="3"] thead,.pk-tbl[data-cols="4"] thead,.pk-tbl[data-cols="5"] thead{display:none}
  .pk-tbl[data-cols="3"] tbody,.pk-tbl[data-cols="4"] tbody,.pk-tbl[data-cols="5"] tbody,.pk-tbl[data-cols="3"] tr,.pk-tbl[data-cols="4"] tr,.pk-tbl[data-cols="5"] tr{display:block}
  .pk-tbl[data-cols="3"] tr,.pk-tbl[data-cols="4"] tr,.pk-tbl[data-cols="5"] tr{padding:10px 12px;border-bottom:1px solid var(--line2)}
  .pk-tbl[data-cols="3"] td,.pk-tbl[data-cols="4"] td,.pk-tbl[data-cols="5"] td{display:block;padding:2px 0;border:0}
  .pk-tbl[data-cols="3"] td::before,.pk-tbl[data-cols="4"] td::before,.pk-tbl[data-cols="5"] td::before{content:attr(data-th);display:block;font:700 10px var(--mono);letter-spacing:.14em;color:var(--mute);margin-top:4px}
}

/* ── 手机：首屏留给线框，票根缩成底部固定条 ── */
@media (max-width:640px){
  body{font-size:15.5px}
  .pk-bar{padding:0 12px}
  .pk-bar-in{gap:8px}
  .pk-logo{font-size:14px;letter-spacing:.16em}
  .pk-bar-in{flex-wrap:nowrap}
  .pk-nav{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;min-width:0;scrollbar-width:none}
  .pk-nav::-webkit-scrollbar{display:none}
  .pk-nav a{padding:0 7px;font-size:12.5px;white-space:nowrap;flex:none}
  .pk-doc{padding:12px 12px 0;gap:14px}
  .pk-fig-t{padding:8px 12px;font-size:10.5px;letter-spacing:.08em}
  .pk-fig-in{padding:6px 8px 0}
  .pk-fig-c{font-size:11.5px;padding:8px 12px 10px}
  .pk-is-home .pk-dek{display:none}
  h1{font-size:21px}
  .pk-main{padding:4px 16px 36px}
  .pk-cover{padding:0 16px}
  .pk-sec-main>h2,.pk-h,.pk-out-top h2{font-size:19px}
  .pk-gut .pk-part{flex-basis:210px}
  .pk-kit{position:fixed;left:0;right:0;bottom:0;z-index:50;display:block;margin:0;border:0;border-radius:14px 14px 0 0;background:var(--bar);box-shadow:0 -12px 30px -10px rgba(0,0,0,.45)}
  .pk-kit::before,.pk-kit::after,.pk-kit-stub,.pk-kit-k,.pk-kit-gain,.pk-kit-note,.pk-kit-hint{display:none}
  .pk-kit-main{padding:8px 12px calc(9px + env(safe-area-inset-bottom))}
  .pk-kit-row{gap:10px}
  .pk-kit code{font-size:20px;color:#fff}
  .pk-copy{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);min-height:40px;font-size:12.5px;padding:0 14px}
  .pk-copy.is-done{background:var(--ok);border-color:var(--ok)}
  .pk-go{margin:6px 0 4px;min-height:44px;padding:8px 12px;font-size:14px;border-radius:10px}
  .pk-kit-mini{display:block;margin:0;font-size:10.5px;line-height:1.45;color:#d1d5db}
  body.has-kit{padding-bottom:134px}
  .pk-qt table,.pk-qt tbody,.pk-qt tr,.pk-qt td,.pk-qt tbody th{display:block;width:auto}
  .pk-qt thead{display:none}
  .pk-qt tr{display:grid;grid-template-columns:40px minmax(0,1fr);padding:12px 12px 10px;border-bottom:1px solid var(--line2)}
  .pk-qt tbody tr:last-child{border-bottom:0}
  .pk-qt td,.pk-qt tbody th{padding:0;border:0!important}
  .pk-qt .pk-qn{width:auto;line-height:1.7}
  .pk-q{width:auto}
  .pk-a{grid-column:2;margin-top:4px;font-size:14px}
  .pk-steps li{grid-template-columns:28px minmax(0,1fr)}
  .pk-steps li>a{grid-column:2;justify-self:start}
  .pk-note{grid-template-columns:1fr;gap:6px}
  .pk-note-k{justify-self:start}
  .pk-basis{grid-template-columns:1fr;gap:6px}
  .pk-basis-k{justify-self:start}
  .pk-pager{flex-wrap:wrap}
  .pk-foot{padding:24px 16px 30px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}