/* 学习路线（/docs/）：三栏文档版式，白底为主，浅深两套主题跟随 tl_theme 与系统偏好。颜色只在这里的变量里定义 */
:root{--bg:#fff;--bg2:#f7f7f8;--card:#fff;--text:#1f2430;--sub:#4b5563;--mute:#6b7280;--line:#e7e7ea;--line2:#d4d4d8;
  --accent:#b45309;--accent-deep:#92400e;--accent-soft:rgba(180,83,9,.075);--on-accent:#fff;--hover:rgba(31,36,48,.045);
  --free:#047857;--free-soft:rgba(4,120,87,.09);--paid:#4338ca;--paid-soft:rgba(67,56,202,.08);--soon:#71717a;--soon-soft:rgba(113,113,122,.1);
  --safe:#0f766e;--danger:#c2410c;--grid:#eef0f3;--lead:#fffaf3;--shadow:0 12px 40px rgba(15,17,21,.16)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#111318;--bg2:#16191f;--card:#171a20;--text:#e8e6e3;--sub:#a8b0bd;--mute:#828a98;--line:#262b34;--line2:#363c48;
  --accent:#f59e0b;--accent-deep:#fbbf24;--accent-soft:rgba(245,158,11,.12);--on-accent:#1f1300;--hover:rgba(255,255,255,.05);
  --free:#34d399;--free-soft:rgba(52,211,153,.12);--paid:#a5b4fc;--paid-soft:rgba(165,180,252,.12);--soon:#9097a3;--soon-soft:rgba(144,151,163,.14);
  --safe:#2dd4bf;--danger:#fb923c;--grid:#232831;--lead:#1a1712;--shadow:0 12px 40px rgba(0,0,0,.5)}}
:root[data-theme="dark"]{--bg:#111318;--bg2:#16191f;--card:#171a20;--text:#e8e6e3;--sub:#a8b0bd;--mute:#828a98;--line:#262b34;--line2:#363c48;
  --accent:#f59e0b;--accent-deep:#fbbf24;--accent-soft:rgba(245,158,11,.12);--on-accent:#1f1300;--hover:rgba(255,255,255,.05);
  --free:#34d399;--free-soft:rgba(52,211,153,.12);--paid:#a5b4fc;--paid-soft:rgba(165,180,252,.12);--soon:#9097a3;--soon-soft:rgba(144,151,163,.14);
  --safe:#2dd4bf;--danger:#fb923c;--grid:#232831;--lead:#1a1712;--shadow:0 12px 40px rgba(0,0,0,.5)}
*{box-sizing:border-box}
html{color-scheme:light dark;-webkit-text-size-adjust:100%}
:root[data-theme="light"]{color-scheme:light}:root[data-theme="dark"]{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.i{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
button{font:inherit;color:inherit}

/* 三栏骨架 */
.dc-wrap{display:grid;grid-template-columns:272px minmax(0,1fr) 236px;max-width:1440px;margin:0 auto}
.dc-side{position:sticky;top:58px;height:calc(100vh - 58px);overflow-y:auto;border-right:1px solid var(--line);padding:22px 14px 40px 20px;background:var(--bg);scrollbar-width:thin}
.dc-main{min-width:0;padding:30px 48px 72px}
.dc-art{max-width:760px;margin:0 auto}
.dc-toc{position:sticky;top:58px;height:calc(100vh - 58px);overflow-y:auto;padding:34px 20px 40px 8px;scrollbar-width:thin}
.dc-mbar,.dc-x,.dc-toc-m{display:none}

/* 左侧目录 */
.dc-side-h{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:700;margin:0 0 12px;padding-left:10px}
.dc-side-h a{text-decoration:none}.dc-side-h a:hover{color:var(--accent)}
.dc-filter{position:relative;margin:0 0 14px}
.dc-filter .i{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--mute);pointer-events:none}
.dc-filter input{width:100%;height:36px;border:1px solid var(--line2);border-radius:8px;background:var(--card);color:var(--text);font:14px/1 inherit;font-family:inherit;padding:0 10px 0 32px;-webkit-appearance:none;appearance:none}
.dc-filter input::placeholder{color:var(--mute)}
.dc-filter input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.dc-grp{margin:0 0 16px}
.dc-grp-t{margin:0 0 4px;padding-left:10px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--mute)}
.dc-tree ul{list-style:none;margin:0;padding:0}
.dc-tree li>a,.dc-tree li>span{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:7px;font-size:14px;line-height:1.45;text-decoration:none;border-left:2px solid transparent}
.dc-tree li>a{color:var(--sub)}
.dc-tree li>a:hover{background:var(--hover);color:var(--text)}
.dc-tree li>a.is-cur{background:var(--accent-soft);color:var(--accent-deep);font-weight:600;border-left-color:var(--accent);border-radius:0 7px 7px 0}
.dc-tree .is-soon{color:var(--soon);cursor:not-allowed}
.dc-tree .is-soon small,.dc-pend small{font-size:11px;line-height:1;padding:3px 6px;border-radius:5px;background:var(--soon-soft);color:var(--soon);white-space:nowrap;margin-left:auto}
.dc-nores{font-size:13px;color:var(--mute);padding:4px 10px}

/* 正文 */
.dc-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--mute);margin:0 0 14px}
.dc-crumbs a{text-decoration:none}.dc-crumbs a:hover{color:var(--accent)}
.dc-crumbs [aria-current]{color:var(--sub)}
.dc-kind{margin:0 0 6px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.dc-art h1{margin:0 0 12px;font-size:32px;line-height:1.3;letter-spacing:-.3px;font-weight:750}
.dc-sub{margin:0 0 16px;font-size:17.5px;line-height:1.7;color:var(--sub)}
.dc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:12px 0 16px;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--mute)}
.dc-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line2)}
.dc-acts{display:flex;gap:8px;margin-left:auto}
.dc-act{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 11px;border:1px solid var(--line2);border-radius:7px;background:var(--card);color:var(--sub);font-size:13px;text-decoration:none;cursor:pointer;white-space:nowrap}
.dc-act:hover{color:var(--text);border-color:var(--mute)}
.dc-art section{scroll-margin-top:78px}
.dc-art h2{margin:48px 0 14px;font-size:23px;line-height:1.4;font-weight:700;scroll-margin-top:78px}
.dc-art h3{margin:26px 0 8px;font-size:17.5px;line-height:1.5}
.dc-art p{margin:12px 0}
.dc-art ul,.dc-art ol{margin:12px 0;padding-left:1.4em}
.dc-art li{margin:6px 0}
.dc-art li::marker{color:var(--mute)}
.dc-art strong{font-weight:650}
.dc-art a:not(.dc-act):not(.dc-rel-c){color:var(--accent-deep);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent);text-underline-offset:3px}
.dc-art a:not(.dc-act):not(.dc-rel-c):hover{text-decoration-color:var(--accent)}
.dc-pend{display:inline-flex;align-items:center;gap:6px;color:var(--sub)}
.dc-pend small{margin-left:0}

/* 结论块 */
.dc-lead{display:flex;gap:14px;align-items:flex-start;margin:16px 0;padding:16px 18px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;background:var(--lead)}
.dc-lead img{width:56px;height:56px;border-radius:50%;flex-shrink:0;object-fit:cover}
.dc-lead p{margin:0;font-size:16.5px}

/* 图 */
.dc-fig{margin:20px 0;padding:16px 18px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.dc-fig-t{font-size:15px;font-weight:650;margin:0 0 10px}
.dc-svg{display:block;width:100%;max-width:480px;height:auto;margin:0 auto}
.dc-fig figcaption{margin-top:8px;font-size:13.5px;line-height:1.6;color:var(--mute)}
.dc-t{font-size:12.5px;fill:var(--text);font-family:inherit}
.dc-m{fill:var(--mute);font-size:11px}
.dc-b{font-weight:650}
.dc-track{fill:var(--grid)}
.dc-grid{stroke:var(--grid);stroke-width:1}
.dc-bar.safe,.dc-dot.safe{fill:var(--safe)}.dc-bar.danger,.dc-dot.danger{fill:var(--danger)}.dc-bar.accent,.dc-dot.accent{fill:var(--accent)}
.dc-line{fill:none;stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}
.dc-line.safe{stroke:var(--safe)}.dc-line.mid{stroke:var(--paid)}.dc-dot.mid,.dc-t.mid{fill:var(--paid)}.dc-line.danger{stroke:var(--danger)}.dc-line.accent{stroke:var(--accent)}
.dc-t.safe{fill:var(--safe)}.dc-t.danger{fill:var(--danger)}.dc-t.accent{fill:var(--accent-deep)}

/* 框架图：宽屏横排、手机竖排两套 */
.dc-fig-flow{padding:18px 18px 12px}
.dc-svg.dc-fl{max-width:none}
.dc-fl-m{display:none!important}
.dc-fl-card{fill:var(--card);stroke:var(--line2);stroke-width:1.2}
.dc-fl-n{fill:var(--accent)}
.dc-fl-nt{font-size:12.5px;font-weight:700;fill:var(--on-accent);font-family:inherit}
.dc-fl-h{font-size:14.5px;font-weight:700;fill:var(--text);font-family:inherit}
.dc-fl-ex{font-size:13px;font-weight:650;fill:var(--accent-deep);font-family:inherit;font-variant-numeric:tabular-nums}
.dc-fl-ar{fill:none;stroke:var(--mute);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.dc-fl-back{stroke-dasharray:4 4}
.dc-fl-hd{fill:var(--mute)}
.dc-fl-lb{fill:var(--bg2);stroke:var(--line)}
/* 选市场判断链 */
.dc-tr-q{fill:var(--bg2);stroke:var(--line2);stroke-width:1.2}
.dc-tr-r{stroke:color-mix(in srgb,var(--accent) 45%,var(--line2))}
.dc-tr-yes{font-size:12.5px;font-weight:700;fill:var(--safe);font-family:inherit}
.dc-tr-no{font-size:12.5px;font-weight:700;fill:var(--mute);font-family:inherit}

/* 开始之前先定的数 */
.dc-todo{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0!important;padding:0!important}
.dc-todo li{display:flex;gap:10px;align-items:flex-start;margin:0!important;padding:12px 14px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:8px;background:var(--card)}
.dc-todo-n{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--accent-soft);color:var(--accent-deep);font-size:12.5px;font-weight:700;line-height:22px;text-align:center;margin-top:2px}
.dc-todo p{margin:0!important;font-size:15px;line-height:1.65}
.dc-note{margin:14px 0 0!important;font-size:14.5px;color:var(--mute)}

.dc-step{scroll-margin-top:78px}
.dc-stepno{margin:44px 0 0!important;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.dc-stepno+h2{margin-top:2px!important}
.dc-sum{margin:10px 0!important;font-size:17px;line-height:1.7;font-weight:600}
.dc-do{margin:8px 0!important;color:var(--sub)}
.dc-check{display:flex;gap:8px;align-items:flex-start;margin:12px 0!important;padding:9px 12px;border-radius:8px;background:var(--free-soft);font-size:14.5px;line-height:1.6}
.dc-check .i{margin-top:3px;color:var(--free)}
.dc-check b{margin-right:8px;color:var(--free);font-weight:650}
.dc-more{margin:12px 0 0;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.dc-more>summary{display:flex;align-items:center;gap:6px;padding:9px 14px;cursor:pointer;list-style:none;font-size:14px;font-weight:600;color:var(--sub)}
.dc-more>summary::-webkit-details-marker{display:none}
.dc-more>summary:hover{color:var(--text)}
.dc-more>summary .i{transition:transform .15s}
.dc-more[open]>summary .i{transform:rotate(180deg)}
.dc-more-b{padding:0 16px 6px;border-top:1px solid var(--line)}
.dc-more-b .dc-fig{border:0;padding:8px 0;margin:10px 0}
.dc-more-h{margin:16px 0 4px;font-size:14px;color:var(--sub)}
.dc-more-h+ul{margin-top:4px}

/* 能力阶梯 */
.dc-ladder{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;align-items:start;margin:18px 0;padding:0!important}
.dc-ladder li{margin:calc((3 - var(--k)) * 22px) 0 0;padding:12px 14px 14px;border:1px solid var(--line);border-top:3px solid color-mix(in srgb,var(--accent) calc(40% + var(--k) * 20%),var(--line));border-radius:8px;background:var(--card);display:flex;flex-direction:column;gap:4px}
.dc-step-n{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.dc-ladder b{font-size:15px;line-height:1.45}
.dc-step-c{display:flex;gap:6px;align-items:flex-start;font-size:13px;line-height:1.55;color:var(--sub)}
.dc-step-c .i{margin-top:3px;color:var(--safe)}

/* 每步：要点、必要说明、学会标准、展开细节、技能标签 */
.dc-lv-skills{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin:14px 0 0;font-size:13px;color:var(--mute)}
.dc-lv-skills>a,.dc-tags a{display:inline-flex;padding:2px 9px;border:1px solid var(--line2);border-radius:999px;font-size:13px;line-height:1.5;color:var(--sub)!important;text-decoration:none!important;background:var(--card)}
.dc-lv-skills>a:hover,.dc-tags a:hover{border-color:var(--accent);color:var(--accent-deep)!important}
.dc-tags{display:flex;flex-wrap:wrap;gap:8px}
.dc-formula{counter-reset:f;list-style:none;padding:0!important}
.dc-formula li{counter-increment:f;position:relative;padding:8px 12px 8px 40px;margin:8px 0;border-radius:8px;background:var(--bg2)}
.dc-formula li::before{content:counter(f);position:absolute;left:12px;top:9px;width:20px;height:20px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:700;line-height:20px;text-align:center}

/* 仓位小算盘：四个白话输入，一个大数结果，其余收起 */
.dc-calc{margin:16px 0;padding:14px 16px 12px;border:1px solid var(--line2);border-radius:12px;background:var(--bg2)}
.dc-calc-h{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-bottom:10px;font-size:15px}
.dc-calc-h .i{color:var(--accent)}
.dc-calc-h span{font-size:13px;color:var(--mute)}
.dc-calc-in{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.dc-calc label{display:flex;flex-direction:column;justify-content:flex-end;gap:4px;font-size:13px;line-height:1.4;color:var(--sub)}
.dc-calc input{height:40px;border:1px solid var(--line2);border-radius:8px;background:var(--card);color:var(--text);font:16px/1 inherit;font-family:inherit;padding:0 10px;min-width:0;width:100%;font-variant-numeric:tabular-nums}
.dc-calc input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.dc-calc-big{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:14px 0 4px;padding:12px 16px;border-radius:10px;background:var(--card);border:1px solid var(--line)}
.dc-calc-big span{font-size:14.5px;color:var(--sub)}
.dc-calc-big b{font-size:40px;line-height:1.1;font-weight:750;color:var(--accent-deep);font-variant-numeric:tabular-nums}
.dc-calc-big small{font-size:13.5px;color:var(--mute)}
.dc-calc-adv{margin:8px 0 0}
.dc-calc-adv summary{display:inline-flex;cursor:pointer;font-size:13px;color:var(--mute);text-decoration:underline;text-decoration-color:var(--line2);text-underline-offset:3px}
.dc-calc-adv summary:hover{color:var(--text)}
.dc-calc-adv[open] summary{margin-bottom:10px}
.dc-calc-out{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0}
.dc-calc-out div{padding:8px 12px;border-radius:8px;background:var(--card);border:1px solid var(--line)}
.dc-calc-out dt{font-size:12.5px;color:var(--mute)}
.dc-calc-out dd{margin:0;font-size:15px;font-weight:650;font-variant-numeric:tabular-nums}
.dc-calc-warn{margin:8px 0 0!important;font-size:14px;color:var(--danger)}

/* 表 */
.dc-tbl{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:10px;-webkit-overflow-scrolling:touch}
.dc-tbl table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.6}
.dc-tbl caption{caption-side:top;text-align:left;padding:10px 14px 0;font-size:13.5px;font-weight:650;color:var(--sub)}
.dc-tbl th,.dc-tbl td{padding:9px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.dc-tbl thead th{font-size:13px;color:var(--mute);font-weight:650;white-space:nowrap}
.dc-tbl tbody th{font-weight:650;white-space:nowrap}
.dc-tbl tbody tr:last-child>*{border-bottom:0}
/* 宽对比表：首列固定，手机横向滑动 */
.dc-tbl-wide table{min-width:880px;font-size:14px}
.dc-tbl .dc-pend{display:inline}.dc-tbl .dc-pend small{display:inline-block;margin:4px 0 0 4px}
.dc-tbl-wide th,.dc-tbl-wide td{padding:9px 12px}
.dc-tbl-wide tbody th,.dc-tbl-wide thead th:first-child{position:sticky;left:0;z-index:1;background:var(--card);box-shadow:1px 0 0 var(--line)}
.dc-tbl-wide thead th{white-space:normal;min-width:6.5em}

/* 总入口：页面列表 */
.dc-pgs-g h3{margin:22px 0 10px!important;font-size:15px!important;color:var(--sub)}
.dc-pgs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.dc-pg{position:relative;display:flex;flex-direction:column;gap:4px;padding:12px 40px 12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);text-decoration:none!important;color:var(--text)!important}
.dc-pg b{display:flex;align-items:center;gap:8px;font-size:15.5px;line-height:1.45}
.dc-pg span:not(.go):not(.dc-soon){font-size:13.5px;line-height:1.6;color:var(--sub)}
.dc-pg .go{position:absolute;right:14px;top:14px;color:var(--accent)}
a.dc-pg:hover{border-color:var(--accent)}
.dc-pg.is-soon{background:var(--bg2)}
.dc-pg.is-soon b{color:var(--soon)}

/* 相关课程与练习 */
.dc-courses{display:grid;gap:14px;margin:14px 0}
.dc-cg{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--card)}
.dc-cg h3{display:flex;align-items:center;gap:8px;margin:0 0 8px!important;font-size:15px!important}
.dc-cg h3 .i{color:var(--accent)}
.dc-cl{list-style:none;padding:0!important;margin:0!important}
.dc-cl li{margin:0!important;border-top:1px solid var(--line)}
.dc-cl li:first-child{border-top:0}
.dc-cl a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 10px;padding:8px 4px;text-decoration:none!important;color:var(--text)!important}
.dc-cl a:hover .t{color:var(--accent-deep)}
.dc-cl .t{font-size:15px;line-height:1.5}
.dc-cl .m{grid-column:1;font-size:13px;line-height:1.5;color:var(--mute)}
.dc-cl .dc-free,.dc-cl .dc-paid,.dc-cl .dc-soon{grid-column:2;grid-row:1/span 2;align-self:center}
.dc-free,.dc-paid,.dc-soon{display:inline-flex;font-size:11.5px;font-weight:650;line-height:1;padding:4px 7px;border-radius:5px;white-space:nowrap}
.dc-free{color:var(--free);background:var(--free-soft)}
.dc-paid{color:var(--paid);background:var(--paid-soft)}
.dc-soon{color:var(--soon);background:var(--soon-soft)}

/* 常见问题、依据与更新、相关路线 */
.dc-faq-i{padding:2px 0 4px;border-bottom:1px solid var(--line)}
.dc-faq-i:last-child{border-bottom:0}
.dc-faq-i h3{margin:18px 0 4px!important;font-size:16.5px!important}
.dc-faq-i p{margin:4px 0 14px;color:var(--sub)}
.dc-rel-h{margin:40px 0 12px!important;font-size:17px!important}
.dc-rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.dc-rel-c{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;background:var(--card);font-size:14.5px}
a.dc-rel-c:hover{border-color:var(--accent)}
a.dc-rel-c .go{color:var(--accent)}
.dc-rel-c.is-soon{color:var(--soon);background:var(--bg2)}
.dc-disc{margin:40px 0 0!important;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;line-height:1.6;color:var(--mute)}

/* 右侧本页目录 */
.dc-toc-t{margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--mute)}
.dc-toc ul,.dc-toc-m ul{list-style:none;margin:0;padding:0}
.dc-toc a{display:block;padding:4px 0 4px 12px;border-left:2px solid var(--line);font-size:13.5px;line-height:1.5;color:var(--mute);text-decoration:none}
.dc-toc a:hover{color:var(--text)}
.dc-toc a.is-cur{color:var(--accent-deep);border-left-color:var(--accent);font-weight:600}

/* 中屏：右侧本页目录收进正文顶部 */
@media(max-width:1199px){
  .dc-wrap{grid-template-columns:256px minmax(0,1fr)}
  .dc-toc{display:none}
  .dc-main{padding:28px 32px 64px}
  .dc-toc-m{display:block;margin:16px 0 0;border:1px solid var(--line);border-radius:10px;background:var(--card)}
  .dc-toc-m summary{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;font-size:14.5px;font-weight:650;cursor:pointer;list-style:none}
  .dc-toc-m summary::-webkit-details-marker{display:none}
  .dc-toc-m[open] summary .i{transform:rotate(180deg)}
  .dc-toc-m ul{padding:0 8px 8px!important;margin:0!important}
  .dc-toc-m li{margin:0!important}
  .dc-toc-m a{display:block;padding:7px 8px;border-radius:6px;font-size:14.5px;color:var(--sub)!important;text-decoration:none!important}
  .dc-toc-m a.is-cur{color:var(--accent-deep)!important;background:var(--accent-soft)}
}
/* 手机：左栏收成抽屉，顶栏下方一条「目录」 */
@media(max-width:899px){
  .dc-wrap{display:block}
  .dc-mbar{display:flex;align-items:center;gap:10px;position:sticky;top:58px;z-index:40;height:46px;padding:0 16px;background:var(--bg);border-bottom:1px solid var(--line)}
  .dc-navbtn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 10px;border:1px solid var(--line2);border-radius:7px;background:var(--card);font-size:14px;cursor:pointer}
  .dc-mbar-t{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13.5px;color:var(--mute)}
  .dc-side{position:fixed;top:0;left:0;bottom:0;z-index:70;width:min(320px,86vw);height:auto;padding:16px 14px 32px;border-right:1px solid var(--line);box-shadow:var(--shadow);transform:translateX(-102%);visibility:hidden;transition:transform .22s ease,visibility 0s .22s}
  body.dc-open .dc-side{transform:none;visibility:visible;transition:transform .22s ease}
  body.dc-open{overflow:hidden}
  .dc-x{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:0;border-radius:8px;background:transparent;color:var(--sub);cursor:pointer}
  .dc-filter input{font-size:16px;height:40px}
  .dc-tree li>a,.dc-tree li>span{padding:9px 10px;font-size:15px}
  .dc-scrim{position:fixed;inset:0;z-index:65;background:rgba(15,17,21,.32)}
  .dc-main{padding:18px 16px 56px}
  .dc-art section,.dc-art h2{scroll-margin-top:116px}
  .dc-crumbs{display:none}
  .dc-art h1{font-size:26px}
  .dc-sub{font-size:16.5px}
  .dc-art h2{font-size:21px;margin-top:40px}
  .dc-acts{margin-left:0;width:100%}
  .dc-ladder{grid-template-columns:1fr;gap:8px}
  .dc-ladder li{margin:0 0 0 calc(var(--k) * 14px)}
  .dc-calc-in{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dc-calc-out{grid-template-columns:1fr}
  .dc-todo{grid-template-columns:1fr;gap:8px}
  .dc-fl-w{display:none!important}
  .dc-fl-m{display:block!important}
  .dc-fig-flow{padding:14px 12px 10px}
  .dc-sum{font-size:16.5px}
  .dc-rel{grid-template-columns:1fr}
  .dc-pgs{grid-template-columns:1fr}
  .dc-fig{padding:12px 12px 10px}
  .dc-lead{padding:14px}
  .dc-lead img{width:44px;height:44px}
  .dc-tbl table{font-size:14px}
  .dc-tbl tbody th{white-space:normal;min-width:5em}
}
@media(min-width:900px) and (max-width:1100px){.dc-todo{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.dc-side{transition:none!important}.dc-more>summary .i{transition:none}}
.dc-stopl{stroke:var(--danger);stroke-width:1.4;stroke-dasharray:4 3}
.dc-zero{stroke:var(--mute);stroke-width:1.2}
.dc-kline{stroke:var(--mute);stroke-width:1;stroke-dasharray:3 3}