/* ============================================================
   小互 · AI 学院 — 外壳样式 V3（设计稿翻译版）
   源：design/academy.dc.html（Claude Design 定稿，2026-07-11）
   要点：签名符号「凿子勾」（方头 SVG 勾）贯穿勾选/核验/完工印/进度；
   证据条=产线存根票据；--term 暖黑深底；暗色=「深夜工坊」独立设计；
   圆角 4/8/999 · 阴影两档 · 数字/编号/eyebrow 全 mono。
   类名契约不变（.follow/.f-step/.btn-done/.quiz .opt/.c-progress…）。
   ============================================================ */

:root{
  --bg:#f5f3ee; --bg-2:#efece3; --surface:#ffffff;
  --ink:#26211f; --ink-2:#4a463f; --dim:#6b6357;
  --line:#e7e1d4; --line-2:#b9b1a1;
  --accent:#df5130; --accent-hov:#c4441f; --accent-text:#c4441f;
  --green:#2f7d57; --green-text:#2c6347; --blue:#4b5bc4; --gold:#8a6215;
  --btn-bg:#c4441f; --btn-hov:#a8391a; --btn-ink:#fff;
  --term:#1d1a15; --term-line:#332d24; --term-line-2:#4a4437;
  --term-green:#7ec99f; --term-ink:#ece7dc; --term-ink2:#c9c2b4; --term-dim:#8d8577;
  --sh-card:0 1px 2px rgba(38,33,31,.05);
  --sh-pop:0 8px 28px rgba(38,33,31,.12);
  --cta-bg:var(--term); --cta-ink:#ece7dc; --cta-dim:#8d8577; --cta-eyebrow:#c9962e; --cta-em:#e8613f; --cta-cursor:#7ec99f;
}
html.dark{
  --bg:#16130f; --bg-2:#1d1913; --surface:#241f18;
  --ink:#ece7dc; --ink-2:#c9c2b4; --dim:#968e80;
  --line:#353026; --line-2:#4a4437;
  --accent:#e8613f; --accent-hov:#f2764f; --accent-text:#e8613f;
  --green:#4aa87a; --green-text:#4aa87a; --blue:#8b97e8; --gold:#c9962e;
  --btn-bg:#e8613f; --btn-hov:#f2764f; --btn-ink:#16130f;
  --term:#0d0b08; --term-line:#2a251d; --term-line-2:#4a4437;
  --sh-card:0 1px 2px rgba(0,0,0,.3);
  --sh-pop:0 8px 28px rgba(0,0,0,.5);
  /* 深夜工坊：CTA 带反打成暖纸色块——全页最亮的门 */
  --cta-bg:#f5f3ee; --cta-ink:#26211f; --cta-dim:#6b6357; --cta-eyebrow:#a9791d; --cta-em:#df5130; --cta-cursor:#2f7d57;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);min-height:100vh;min-height:100dvh;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  transition:background .3s ease,color .3s ease;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
button,input{font-family:inherit}
.mono{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-feature-settings:"tnum"}
.frame{max-width:1160px;margin:0 auto;padding:0 24px}
.wrap-680{max-width:680px;margin:0 auto;padding:0 22px}

/* ---------- 可达性：键盘焦点 / 跳转链接 / 当前页 ---------- */
:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px;border-radius:2px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--btn-bg);color:var(--btn-ink);padding:10px 16px;border-radius:0 0 8px 0;font-size:13px;font-weight:700}
.skip-link:focus{left:0}
.head-nav a[aria-current="page"]{color:var(--accent-text);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}
.hero-title,.sec-head h2,.feat-title,.xp h2{text-wrap:balance}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes cursorblink{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes stampIn{from{opacity:0;transform:rotate(-2deg) scale(1.6)}to{opacity:1;transform:rotate(-2deg) scale(1)}}
@keyframes chkIn{from{transform:scale(.6)}to{transform:scale(1)}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- 凿子勾（签名符号，SVG 由 app.js/构建注入，这里管容器） ---------- */
.chk{flex:none;display:inline-flex;align-items:center;justify-content:center}
.stamp{display:inline-flex;align-items:center;gap:7px;border:2px solid var(--green);border-radius:4px;padding:4px 10px;transform:rotate(-2deg);color:var(--green);font-weight:800;font-size:12px;letter-spacing:.1em}
.stamp.in{animation:stampIn .4s cubic-bezier(.2,1.4,.4,1) both}
.verify-chip{display:inline-flex;align-items:center;gap:4px;font-family:ui-monospace,Menlo,monospace;font-size:10px;color:var(--green);border:1px solid var(--green);border-radius:3px;padding:2px 6px;letter-spacing:.06em}

/* ---------- 按钮族 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:8px;font-size:14.5px;font-weight:700;cursor:pointer;border:1.5px solid transparent;transition:background .15s ease,border-color .15s ease,color .15s ease}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--btn-bg);color:var(--btn-ink)}
.btn-solid:hover{background:var(--btn-hov)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:var(--surface);font-weight:600}
.btn-ghost:hover{border-color:var(--accent-text);color:var(--accent-text)}
.chip{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:600;background:color-mix(in srgb,var(--tint,var(--accent)) 8%,transparent);border:1px solid color-mix(in srgb,var(--tint,var(--accent)) 25%,transparent);color:color-mix(in srgb,var(--tint,var(--accent)) 72%,var(--ink))}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600}
.badge::before{content:"";width:6px;height:6px;border-radius:999px;background:currentColor}
.st-open{color:var(--green)}
.st-building{color:var(--gold)}
.st-planned{color:var(--dim)}
.st-planned::before{background:transparent;border:1.5px solid currentColor;width:5px;height:5px}

/* ---------- 头部 ---------- */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 95%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px}
.brand-dot{width:12px;height:12px;background:var(--accent);transform:rotate(45deg)}
.brand-en{font-family:ui-monospace,Menlo,monospace;font-size:10px;letter-spacing:.24em;color:var(--dim);font-weight:500}
.head-nav{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--ink-2)}
.head-nav a:hover{color:var(--accent-text)}
.head-nav .nav-xp{font-weight:600;color:var(--ink)}
.theme-btn{width:30px;height:30px;border:1px solid var(--line);border-radius:999px;background:var(--surface);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}
.theme-btn::after{content:"";width:13px;height:13px;border-radius:999px;background:linear-gradient(90deg,var(--ink) 50%,transparent 50%);border:1.5px solid var(--ink)}
.theme-btn:hover{border-color:var(--accent-text)}

/* ---------- 页脚 ---------- */
.site-foot{border-top:1px solid var(--line);margin-top:88px;background:var(--bg-2);padding:32px 0}
.foot-in{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-start}
.foot-brand{font-size:15px;font-weight:800}
.foot-brand span{display:block;font-weight:400;font-size:12px;color:var(--dim);margin-top:6px}
.foot-links{display:flex;gap:22px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.foot-links a:hover{color:var(--accent-text)}
.foot-note{width:100%;font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);margin-top:6px}

/* ---------- 首页 hero + 产线存根证据条 ---------- */
.hero{padding:64px 0 0}
.hero-eyebrow{font-size:11px;letter-spacing:.26em;color:var(--accent-text);font-weight:600;margin-bottom:16px}
.hero-title{font-size:clamp(30px,4.8vw,52px);font-weight:900;line-height:1.32;letter-spacing:.01em;max-width:820px}
.hero-title em{font-style:normal;color:var(--accent)}
.hero-desc{font-size:16px;color:var(--ink-2);line-height:1.9;margin-top:20px;max-width:620px}
.evidence{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.ev{display:block;background:var(--surface);border:1px solid var(--line);border-top:none;border-radius:8px;box-shadow:var(--sh-card);position:relative;padding:18px 20px 14px}
.ev::before{content:"";position:absolute;top:0;left:0;right:0;height:8px;background:radial-gradient(circle at 8px -3px,var(--bg) 5px,var(--surface) 5.5px);background-size:16px 8px}
a.ev:hover .ev-src{color:var(--accent-text)}
.ev-head{display:flex;justify-content:space-between;align-items:center;margin-top:6px;gap:6px}
.ev-no{font-family:ui-monospace,Menlo,monospace;font-size:10px;letter-spacing:.16em;color:var(--dim);white-space:nowrap}
.ev b{display:block;font-family:ui-monospace,Menlo,monospace;font-size:34px;font-weight:700;color:var(--accent);margin-top:10px;line-height:1.2}
.ev b i{font-style:normal;font-size:16px;color:var(--ink)}
.ev-src{font-size:12.5px;color:var(--ink-2);line-height:1.7;margin-top:6px;border-top:1px dashed var(--line);padding-top:8px;display:block}
.ev-note{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);margin-top:12px}

/* ---------- CTA 带：进工坊的门 ---------- */
.xp-wrap{margin-top:40px}
.xp{background:var(--cta-bg);border-radius:12px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-pop)}
.xp-eyebrow{font-size:11px;letter-spacing:.24em;color:var(--cta-eyebrow);font-weight:600}
.xp h2{font-size:clamp(20px,2.6vw,26px);font-weight:800;color:var(--cta-ink);margin-top:12px;line-height:1.5}
.xp h2 em{font-style:normal;color:var(--cta-em)}
.xp .cursor{display:inline-block;width:11px;height:24px;background:var(--cta-cursor);vertical-align:-3px;margin-left:6px;animation:cursorblink 1.1s steps(1) infinite}
.xp p{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;color:var(--cta-dim);margin-top:12px;line-height:1.8}
.xp-left{flex:1}
.xp-btn{flex:none;font-size:16px;padding:16px 28px}

/* ---------- 三问入口 ---------- */
.intent-wrap{margin-top:56px}
.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.intent{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--tint);border-radius:8px;padding:22px 22px 18px;box-shadow:var(--sh-card);display:flex;flex-direction:column;transition:border-color .15s ease}
.intent:hover{border-color:color-mix(in srgb,var(--tint) 50%,var(--line))}
.intent h3{font-size:17px;font-weight:700}
.intent p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin-top:10px;flex:1}
.intent .mono{font-size:12px;color:color-mix(in srgb,var(--tint) 72%,var(--ink));margin-top:14px;font-weight:500}

/* ---------- 旗舰课 FEATURED ---------- */
.feat-wrap{margin-top:48px}
.feat{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:8px;box-shadow:var(--sh-card);display:flex;gap:40px;padding:32px 36px}
.feat-left{flex:1.1}
.feat-eyebrow{font-size:11px;letter-spacing:.2em;color:var(--accent-text);font-weight:600}
.feat-title{font-size:clamp(22px,2.8vw,28px);font-weight:800;margin-top:12px}
.feat-title a:hover{color:var(--accent-text)}
.feat-dek{font-size:14.5px;color:var(--ink-2);line-height:1.9;margin-top:12px}
.feat-meta{font-size:12px;color:var(--dim);margin-top:14px}
.feat-cta{display:flex;gap:12px;margin-top:20px;align-items:center;flex-wrap:wrap}
.feat-ticks{display:flex;gap:4px;align-items:center;margin-top:18px;min-height:14px}
.feat-ticks .tick-txt{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);margin-left:6px}
.feat-right{flex:1;border-left:1px dashed var(--line);padding-left:36px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.feat-ch{display:flex;gap:12px;align-items:baseline}
.feat-ch .n{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--accent-text);flex:none}
.feat-ch b{display:block;font-size:14px;font-weight:600}
.feat-ch .feat-cap{display:block;font-style:normal;font-size:12px;color:var(--dim);margin-top:2px}

/* ---------- 区块头（全站统一：眉线 + 标题 + 副题 + 右侧动作/图例） ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px}
.sec-eyebrow{font-size:11px;letter-spacing:.2em;color:var(--accent-text);font-weight:600}
.sec-head h2{font-size:22px;font-weight:800;margin-top:10px;letter-spacing:.01em}
.sec-sub{font-size:13px;color:var(--dim);margin-top:8px;line-height:1.8;max-width:600px}
.sec-sub b{color:var(--ink-2)}
.sec-link{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--accent-text);white-space:nowrap;padding-bottom:4px}
.sec-legend{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--dim);white-space:nowrap;padding-bottom:4px}
.sec-legend .lg{width:15px;height:11px;border-radius:3px;display:inline-block;flex:none}
.lg-dashed{margin-left:8px}
.lg-solid{background:var(--surface);border:1px solid var(--line-2);box-shadow:var(--sh-card)}
.lg-dashed{background:transparent;border:1.5px dashed var(--line-2)}

/* ---------- 课程目录（状态即形态：实线卡=开门可学，虚线卡=排产中） ---------- */
.cat-wrap{margin-top:64px}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.c-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:22px 24px;box-shadow:var(--sh-card);transition:border-color .15s ease}
.c-card:hover{border-color:color-mix(in srgb,var(--tint,var(--accent)) 45%,var(--line))}
.c-card.is-ghost{background:transparent;border:1.5px dashed var(--line-2);box-shadow:none}
.c-card.is-ghost .c-title{color:var(--ink-2)}
.c-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.c-no{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim)}
.c-title{font-size:17.5px;font-weight:700;margin-top:12px;line-height:1.45}
.c-dek{font-size:13px;color:var(--ink-2);line-height:1.75;margin-top:8px;flex:1}
.c-meta{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);margin-top:12px;display:flex;gap:6px;flex-wrap:wrap}
.c-meta i{font-style:normal;color:var(--line-2)}
.c-foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px;border-top:1px dashed var(--line);padding-top:10px}
.c-free{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim)}
.c-progress{display:block;margin-top:10px}
.c-progress[hidden]{display:none}
.c-progress-bar{height:4px;background:var(--bg-2);border-radius:999px;position:relative;overflow:hidden}
.c-progress-bar::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--pct,0%);background:var(--tint,var(--accent));border-radius:999px;transition:width .4s ease}
.c-progress-txt{display:block;font-family:ui-monospace,Menlo,monospace;font-size:10px;color:var(--dim);text-align:right;margin-top:4px}
/* 造物进阶：压轴通栏卡 */
.c-wide{grid-column:1/-1;flex-direction:row;align-items:center;gap:32px}
.c-wide .c-wide-l{flex:1;min-width:0}
.c-wide .c-title{margin-top:10px}
.c-wide .c-dek{margin-top:6px}
.c-wide .c-wide-r{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.c-wide .c-meta{margin-top:0}
.c-wide .c-foot{margin-top:0;border-top:0;padding-top:0;gap:16px}

/* ---------- 场景库 ---------- */
/* 全宽节奏带：米底页面上的一条白色车间 */
.band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:64px;padding:46px 0 50px}
.s-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:2px}
.s-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px 20px;box-shadow:var(--sh-card);transition:border-color .15s ease}
.band .s-card{background:var(--bg);box-shadow:none}
a.s-card:hover{border-color:color-mix(in srgb,var(--gold) 50%,var(--line))}
.s-card.is-soon{cursor:default;background:transparent;border:1.5px dashed var(--line-2);box-shadow:none}
.band .s-card.is-soon{background:transparent}
.s-card.is-soon h3{color:var(--ink-2)}
.s-top{display:flex;justify-content:space-between;align-items:center}
.s-no{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--gold)}
.s-min{font-family:ui-monospace,Menlo,monospace;font-size:10px;color:var(--green)}
.s-card.is-soon .s-min{color:var(--dim)}
.s-card h3{font-size:14.5px;font-weight:700;margin-top:8px}
.s-card p{font-size:12px;color:var(--ink-2);line-height:1.7;margin-top:6px;flex:1}
.s-foot{display:flex;justify-content:space-between;margin-top:10px;font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--dim)}
.s-go{color:var(--accent-text);font-weight:600}
/* 排队上产线：待上架场景做成一排虚线票据 */
.scen-queue{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:16px}
.q-label{font-size:10.5px;letter-spacing:.14em;color:var(--dim);border-right:1px solid var(--line);padding-right:12px;margin-right:4px;flex:none}
.q-chip{display:inline-flex;align-items:baseline;gap:7px;font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--ink-2);border:1px dashed var(--line-2);border-radius:999px;padding:5px 13px}
.q-chip b{font-weight:600;color:var(--gold)}
.scen-note{font-size:12px;color:var(--dim);margin-top:14px}
.scen-note a{color:var(--accent-text)}
.scen-page{padding-top:34px}
.scen-page .s-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}

/* ---------- 变现墙 ---------- */
.money-wrap{margin-top:64px}
.money-grid,.pf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.pf-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.m-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:var(--sh-card);display:flex;flex-direction:column}
.m-no{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.14em;color:var(--accent-text)}
.m-card h3{font-size:15.5px;font-weight:700;margin-top:8px}
.m-card p{font-size:12.5px;color:var(--ink-2);line-height:1.8;margin-top:8px;flex:1}
.m-src{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--dim);margin-top:12px;border-top:1px dashed var(--line);padding-top:8px}
.m-you{background:transparent;border:1.5px dashed var(--line-2);box-shadow:none}
.m-you .m-no{color:var(--dim)}
.m-you h3{color:var(--ink-2)}
.m-you .m-hook{margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:8px;border:0}
.m-you .m-box{width:22px;height:22px;border:1.5px solid var(--line-2);border-radius:4px;background:var(--surface);flex:none}
.m-you .m-hook span{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--dim)}

/* ---------- 宣言条 + 宣言页 ---------- */
.pledge-wrap{margin-top:56px;padding-bottom:8px}
.pledge{border:2px solid var(--ink);border-radius:8px;padding:22px 28px;display:flex;align-items:center;gap:24px;background:var(--surface);flex-wrap:wrap}
.pledge:hover{box-shadow:var(--sh-pop)}
.pledge-seal{flex:none;width:58px;height:58px;border:2.5px solid var(--accent);border-radius:6px;transform:rotate(-4deg);display:flex;align-items:center;justify-content:center;color:var(--accent-text);font-weight:800;font-size:22px}
.pledge-tag{font-size:11px;letter-spacing:.22em;color:var(--accent-text);font-weight:600}
.pledge-l h2{font-size:20px;font-weight:800;margin-top:4px;white-space:nowrap}
.pledge-items{display:flex;gap:8px;flex-wrap:wrap;flex:1;max-width:560px}
.pledge-items span{font-size:12px;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:var(--bg)}
.pledge-go{font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--accent-text);font-weight:700;white-space:nowrap}
.mf-page{padding-top:34px;max-width:760px}
.mf-list{display:flex;flex-direction:column;gap:14px}
.mf-item{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px 24px;box-shadow:var(--sh-card)}
.mf-no{font-family:ui-monospace,Menlo,monospace;font-size:15px;font-weight:700;color:var(--accent-text);flex:none;margin-top:2px}
.mf-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.mf-item p{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.mf-mech{font-family:ui-monospace,Menlo,monospace;font-size:11.5px!important;color:var(--dim)!important;margin-top:8px}
.pf-page{padding-top:34px}

/* ---------- 课程详情页 ---------- */
.course-page{padding-top:34px}
.crumb{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);display:flex;gap:8px;margin-bottom:26px}
.crumb a:hover{color:var(--accent-text)}
.course-hero{max-width:820px;margin-bottom:34px;animation:fadeUp .4s ease both}
.course-hero .c-top{justify-content:flex-start;gap:12px;margin-bottom:16px}
.course-hero h1{font-size:clamp(26px,4vw,36px);font-weight:800;line-height:1.3;margin-bottom:14px}
.course-dek{font-size:15.5px;line-height:1.9;color:var(--ink-2);margin-bottom:14px}
.course-meta{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--dim)}
.course-cols{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}

.progress-card{display:flex;align-items:center;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px 22px;box-shadow:var(--sh-card);margin-bottom:32px}
.ring-wrap{position:relative;width:56px;height:56px;flex:none}
.ring-txt{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim)}
.ring-val{transition:stroke-dasharray .5s ease}
.progress-txt{flex:1}
.progress-label{display:block;font-size:15px;font-weight:700}
.progress-nums{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--dim)}

.ch{margin-bottom:32px}
.ch-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.ch-no{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.14em;color:color-mix(in srgb,var(--tint,var(--accent)) 72%,var(--ink));font-weight:600}
.ch-head h3{font-size:18px;font-weight:800}
.ch-head p{width:100%;font-size:12.5px;color:var(--dim)}
.ch-lessons{border:1px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden;box-shadow:var(--sh-card)}
.l-row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:1px solid var(--bg-2);font-size:14px;transition:background .15s ease;min-height:44px}
.l-row:first-child{border-top:0}
.l-row:hover{background:var(--bg)}
.l-check{width:16px;height:16px;border-radius:3px;border:1.5px solid var(--line-2);flex:none;display:inline-flex;align-items:center;justify-content:center}
.l-row.is-done .l-check{background:var(--green);border-color:var(--green)}
.l-row.is-done .l-title{color:var(--dim)}
.l-row.is-soon .l-check{border-style:dashed}
.l-row.is-soon{opacity:.55}
.l-idx{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--dim);width:30px;flex:none}
.l-title{flex:1;font-weight:500;line-height:1.5}
.l-type{font-family:ui-monospace,Menlo,monospace;font-size:10px;padding:2px 7px;border-radius:3px;border:1px solid color-mix(in srgb,var(--tt) 45%,transparent);color:color-mix(in srgb,var(--tt) 72%,var(--ink));flex:none}
.l-free{font-family:ui-monospace,Menlo,monospace;font-size:10px;color:var(--green);border:1px solid var(--green);padding:2px 7px;border-radius:3px;flex:none}
.l-soon{font-family:ui-monospace,Menlo,monospace;font-size:9px;color:var(--gold);border:1px solid var(--gold);border-radius:3px;padding:1px 5px;flex:none}
.l-min{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--dim);width:58px;text-align:right;flex:none}
.ch-cap{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--dim);margin-top:8px;padding-left:4px}

.course-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:82px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px 22px;box-shadow:var(--sh-card)}
.side-card h4{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.14em;color:var(--dim);font-weight:600;margin-bottom:12px}
.side-card p{font-size:13px;line-height:1.8;color:var(--ink-2)}
.side-card p a{color:var(--accent-text)}
.ticks,.dots{list-style:none}
.ticks li{font-size:13px;line-height:1.7;color:var(--ink-2);padding-left:24px;position:relative;margin-bottom:9px}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:13px;height:13px;background-repeat:no-repeat;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l5 5 9.5-11.5' stroke='%232f7d57' stroke-width='3.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E")}
html.dark .ticks li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l5 5 9.5-11.5' stroke='%234aa87a' stroke-width='3.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E")}
.dots li{font-size:13px;line-height:1.7;color:var(--ink-2);padding-left:16px;position:relative;margin-bottom:7px}
.dots li::before{content:"·";position:absolute;left:2px;color:var(--tint,var(--accent));font-weight:800}

/* ---------- 课时页 ---------- */
.lesson-cols{display:grid;grid-template-columns:300px 1fr;gap:0;align-items:start;max-width:1440px;margin:0 auto;padding:0}
.lesson-side{position:sticky;top:64px;height:calc(100dvh - 64px);overflow-y:auto;padding:24px 20px;border-right:1px solid var(--line);background:var(--bg-2)}
.side-back{display:block;font-size:13px;font-weight:700;color:var(--ink-2)}
.side-back:hover{color:var(--accent-text)}
.side-progress{display:flex;align-items:center;gap:10px;margin:10px 0 14px}
.side-progress .sp-bar{flex:1;height:4px;background:color-mix(in srgb,var(--line) 70%,var(--bg-2));border-radius:999px;position:relative;overflow:hidden}
.side-progress .sp-bar::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--pct,0%);background:var(--green);border-radius:999px;transition:width .4s ease}
.side-progress .sp-txt{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--green-text);white-space:nowrap}
.side-wrap summary{display:none;cursor:pointer;user-select:none;list-style:none}
.side-wrap summary::-webkit-details-marker{display:none}
.s-ch{display:flex;flex-direction:column;gap:2px;margin-bottom:8px}
.s-ch-t{font-family:ui-monospace,Menlo,monospace;font-size:10px;letter-spacing:.16em;color:var(--dim);padding:6px 8px;margin-top:8px}
.s-l{display:flex;align-items:center;gap:9px;padding:9px 8px;border-radius:6px;font-size:13px;line-height:1.55;color:var(--ink-2);border:1px solid transparent}
.s-l:hover{background:color-mix(in srgb,var(--surface) 60%,transparent)}
.s-l.on{background:var(--surface);border-color:var(--line);border-left:3px solid var(--accent);font-weight:700;color:var(--ink)}
.s-l.soon{opacity:.55}
.s-idx{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--dim);flex:none}
.s-check{width:16px;height:16px;border-radius:3px;border:1.5px solid var(--line-2);flex:none;display:inline-flex;align-items:center;justify-content:center}
.s-l.on .s-check{border-color:var(--accent-text)}
.s-l.soon .s-check{border-style:dashed}
.s-l.is-done .s-check{background:var(--green);border-color:var(--green)}
.s-l.is-done{color:var(--dim)}

.lesson-main{padding:40px 48px 64px;min-width:0;display:flex;justify-content:center}
.lesson-inner{width:100%;max-width:720px}
.lesson-crumb{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);display:flex;gap:8px}
.lesson-crumb a:hover{color:var(--accent-text)}
.lesson-head h1{font-size:clamp(24px,3.2vw,32px);font-weight:800;line-height:1.35;margin-top:10px}
.lesson-meta{display:flex;gap:10px;align-items:center;margin-top:12px}
.lesson-meta .l-type{font-size:10.5px;padding:2px 8px}
.lesson-meta .l-dur{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--dim)}
.lesson-done{display:flex;align-items:center;gap:16px;margin:40px 0 28px}
.btn-done{background:var(--accent);color:#fff}
.btn-done.is-done{background:var(--green);color:#fff}
html.dark .btn-done.is-done{color:#0d0b08}
.done-hint{font-size:12.5px;color:var(--dim)}
.lesson-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pn{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 18px;transition:border-color .15s ease}
.pn:hover{border-color:var(--accent-text)}
.pn .mono{display:block;font-size:10px;color:var(--dim);margin-bottom:4px}
.pn b{font-size:13.5px;font-weight:600;line-height:1.5}
.pn.next{text-align:right}
.pn.empty{border:0;background:none}

/* ---------- 课时正文套件 ---------- */
.lesson-body{font-size:15px;line-height:1.95;color:var(--ink)}
.lesson-body>*+*{margin-top:16px}
.lesson-body h2{display:flex;align-items:baseline;gap:12px;font-size:21px;font-weight:800;line-height:1.45;margin-top:40px}
.lesson-body h2:first-child{margin-top:24px}
.lesson-body h2 .hn{font-family:ui-monospace,Menlo,monospace;font-size:13px;font-weight:400;color:var(--accent-text);flex:none}
.lesson-body h3{font-size:17px;font-weight:700;margin-top:28px}
.lesson-body p{color:var(--ink)}
.lesson-body p b,.lesson-body li b{color:var(--ink);font-weight:700}
.lesson-body ul,.lesson-body ol{list-style:none}
.lesson-body ul li,.lesson-body ol li{padding-left:24px;position:relative;margin-bottom:10px;color:var(--ink)}
.lesson-body ul li::before{content:"▸";position:absolute;left:4px;color:var(--accent-text)}
.lesson-body ol{counter-reset:li}
.lesson-body ol li{counter-increment:li}
.lesson-body ol li::before{content:counter(li);position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:3px;border:1px solid var(--accent);color:var(--accent-text);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:ui-monospace,Menlo,monospace}
.lesson-body code{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.86em;background:var(--bg-2);border:1px solid var(--line);border-radius:4px;padding:1px 6px;color:var(--ink)}

/* outcome 产出前置（任务工单） */
.outcome{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:8px;padding:18px 22px;margin-bottom:24px}
.o-tag{font-size:10.5px;letter-spacing:.18em;color:var(--accent-text);font-weight:600}
.o-txt{font-size:15px;font-weight:700;margin-top:8px;line-height:1.8;color:var(--ink)}

/* follow 跟做清单（签名组件） */
.follow{background:var(--surface);border:1.5px solid var(--ink);border-radius:8px;overflow:hidden;box-shadow:var(--sh-card);padding:0}
.f-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--bg);flex-wrap:wrap}
.f-tag{font-size:10.5px;letter-spacing:.16em;color:var(--accent-text);font-weight:600}
.f-ticks{display:flex;gap:3px;align-items:center}
.f-prog{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);margin-left:6px}
.f-step{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--bg-2);cursor:pointer;min-height:44px;transition:background .15s ease}
.f-step:last-of-type{border-bottom:0}
.f-step:hover{background:var(--bg)}
.f-step input{appearance:none;-webkit-appearance:none;width:22px;height:22px;border:1.5px solid var(--line-2);border-radius:4px;background:var(--surface);flex:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;margin:0}
.f-step input:checked{background:var(--green);border-color:var(--green);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l5 5 9.5-11.5' stroke='%23fff' stroke-width='3.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");background-size:13px;background-position:center;background-repeat:no-repeat;animation:chkIn .12s ease}
html.dark .f-step input:checked{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l5 5 9.5-11.5' stroke='%2316130f' stroke-width='3.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E")}
.f-step span{font-size:14px;line-height:1.7;color:var(--ink-2)}
.f-step input:checked + span{color:var(--dim)}
.follow.all-done{border-color:var(--green)}
.follow.all-done .f-head{background:color-mix(in srgb,var(--green) 10%,transparent)}
.follow.all-done .f-tag{color:var(--green)}
.f-done-msg{display:none}
.f-stamp{display:none}
.follow.all-done .f-stamp{display:inline-flex}
.follow.all-done .f-ticks{display:none}

/* cmd 命令块 / term 终端会话（工位标题栏） */
.cmd,.term{background:var(--term);border-radius:8px;overflow:hidden;position:relative}
html.dark .cmd,html.dark .term{border:1px solid var(--term-line)}
.cmd-head{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;border-bottom:1px solid var(--term-line)}
.term-bar{display:flex;align-items:center;gap:5px;padding:8px 16px;border-bottom:1px solid var(--term-line)}
.term-dots{display:flex;gap:5px;align-items:center}
.term-bar i,.term-dots i{width:8px;height:8px;border-radius:999px;opacity:.8}
.term-bar i:nth-of-type(1),.term-dots i:nth-of-type(1){background:#df5130}
.term-bar i:nth-of-type(2),.term-dots i:nth-of-type(2){background:#c9962e}
.term-bar i:nth-of-type(3),.term-dots i:nth-of-type(3){background:#2f7d57}
.term-bar span,.term-dots span,.cmd-title{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--term-dim);margin-left:8px}
.cmd pre{padding:16px 20px;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:13.5px;line-height:1.8;color:var(--term-ink);white-space:pre;overflow-x:auto}
.cmd .c-comment{color:var(--term-dim)}
.cmd .c-prompt{color:var(--term-green);user-select:none}
.cmd-copy{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--term-ink2);border:1px solid var(--term-line-2);background:transparent;border-radius:4px;padding:3px 10px;cursor:pointer}
.cmd-copy:hover{color:#fff;border-color:var(--term-green)}
.cmd-copy.ok{color:var(--term-green);border-color:#2f7d57}
.term-body{padding:16px 20px;font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:13px;line-height:2;color:var(--term-ink);overflow-x:auto;white-space:pre-wrap}
.term-body .you{color:var(--term-green)}
.term-body .ai{color:var(--term-ink2)}
.term-body .hl{color:#e8613f}
.term-body .dim{color:var(--term-dim)}
.term-cursor{display:inline-block;width:8px;height:14px;background:var(--term-green);vertical-align:-2px;margin-left:4px;animation:cursorblink 1.1s steps(1) infinite}

/* 术语卡 */
.term-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin-top:16px}
.t-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:13px 15px;box-shadow:var(--sh-card)}
.t-card b{display:block;font-family:ui-monospace,Menlo,monospace;font-size:12.5px;font-weight:700;color:var(--blue);margin-bottom:5px}
.t-card p{font-size:12px;line-height:1.7;color:var(--ink-2);margin:0}

/* 对照表 */
.compare{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;overflow-x:auto;box-shadow:var(--sh-card)}
.compare table{width:100%;border-collapse:collapse;font-size:12.5px;min-width:520px}
.compare th{background:var(--bg-2);text-align:left;padding:8px 13px;font-family:ui-monospace,Menlo,monospace;font-size:10.5px;font-weight:500;color:var(--dim);border-bottom:1px solid var(--line)}
.compare td{padding:9px 13px;border-bottom:1px solid var(--bg-2);color:var(--ink-2);line-height:1.7;vertical-align:top}
.compare tr:last-child td{border-bottom:0}
.compare td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}

/* 检查点测验 */
.quiz{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px 22px;box-shadow:var(--sh-card)}
.quiz-tag{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.18em;color:var(--blue);font-weight:600;margin-bottom:10px}
.quiz-q{font-size:15.5px;font-weight:700;line-height:1.6;margin-bottom:14px}
.quiz .opt{display:block;width:100%;text-align:left;border:1px solid var(--line);background:transparent;border-radius:6px;padding:11px 14px;font-size:13.5px;line-height:1.6;color:var(--ink-2);cursor:pointer;margin-bottom:8px;transition:border-color .15s ease}
.quiz .opt:hover{border-color:var(--ink)}
.quiz .opt.right{border:1.5px solid var(--green);background:color-mix(in srgb,var(--green) 6%,transparent);color:var(--ink);font-weight:700;padding-left:36px;position:relative}
.quiz .opt.right::before{content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%);width:13px;height:13px;background-repeat:no-repeat;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l5 5 9.5-11.5' stroke='%232f7d57' stroke-width='3.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E")}
html.dark .quiz .opt.right::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l5 5 9.5-11.5' stroke='%234aa87a' stroke-width='3.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E")}
.quiz .opt.wrong{border:1.5px solid var(--accent);background:color-mix(in srgb,var(--accent) 5%,transparent);color:var(--ink);padding-left:36px;position:relative}
.quiz .opt.wrong::before{content:"✕";position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--accent-text);font-weight:800;font-size:12px}
.quiz .why{display:none;font-size:12.5px;line-height:1.8;color:var(--ink-2);background:color-mix(in srgb,var(--green) 6%,transparent);border-left:3px solid var(--green);border-radius:0 6px 6px 0;padding:10px 14px;margin-top:6px}
.quiz.answered .why{display:block}
.quiz .why b{color:var(--green)}

/* 小互旁白 */
.xh-note{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;box-shadow:var(--sh-card)}
.xh-note .who{flex:none;width:34px;height:34px;border-radius:999px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.xh-note p{font-size:13px;line-height:1.8;color:var(--ink-2);margin:0}

/* 课后练习 */
.try-it{border:1.5px dashed var(--line-2);border-radius:8px;padding:16px 18px;background:transparent}
.try-it .tag{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.14em;color:var(--accent-text);font-weight:600;margin-bottom:8px}
.try-it h4{font-size:15px;font-weight:700;margin-bottom:8px}
.try-it p,.try-it li{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.try-it ol{margin-top:8px}
.try-it a{color:var(--accent-text);font-weight:600}

/* 救援卡（正文里 .term-cards 变体足够；保留占位/图解） */
.fig{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:var(--sh-card)}
.fig figcaption{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--dim);margin-top:12px;text-align:center}
.ph{border:1px dashed var(--line-2);border-radius:8px;padding:40px 32px;text-align:center;background:var(--bg-2)}
.ph-eyebrow{font-family:ui-monospace,Menlo,monospace;font-size:10px;letter-spacing:.16em;color:var(--gold);font-weight:600;margin-bottom:12px}
.ph h2{font-size:20px;font-weight:800;margin-bottom:12px;justify-content:center;display:flex}
.ph p{font-size:13.5px;line-height:1.85;color:var(--ink-2);max-width:520px;margin:0 auto 10px}
.ph-note a{color:var(--accent-text);font-weight:600}

/* ---------- 关于页 ---------- */
.about-page{padding:56px 22px}
.about-page h1{font-size:28px;font-weight:800;margin-bottom:22px}
.about-page p{font-size:15px;line-height:1.95;color:var(--ink-2);margin-bottom:16px}
.about-page a{color:var(--accent-text);font-weight:600}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .evidence{grid-template-columns:1fr 1fr;gap:10px}
  .ev b{font-size:26px}
  .ev b i{font-size:13px}
  .xp{flex-direction:column;align-items:stretch;gap:18px;padding:24px 20px}
  .xp-btn{width:100%;min-height:48px}
  .intent-grid{grid-template-columns:1fr}
  .feat{flex-direction:column;gap:24px;padding:22px 20px}
  .feat-right{border-left:0;padding-left:0;border-top:1px dashed var(--line);padding-top:20px}
  .feat-cta .btn{flex:1;min-height:48px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:16px}
  .cat-grid{grid-template-columns:1fr}
  .c-wide{flex-direction:column;align-items:stretch;gap:14px}
  .c-wide .c-wide-r{flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
  .band{margin-top:48px;padding:32px 0 36px}
  .cat-wrap,.money-wrap{margin-top:48px}
  .s-grid{grid-template-columns:1fr}
  .money-grid{grid-template-columns:1fr 1fr}
  .pledge{gap:14px;padding:16px 18px}
  .pledge-items{display:none}
  .course-cols{grid-template-columns:1fr}
  .course-side{position:static}
  .lesson-cols{grid-template-columns:1fr}
  .lesson-side{position:sticky;top:64px;height:auto;overflow:visible;border-right:0;border-bottom:1px solid var(--line);padding:0;z-index:40}
  .side-back{display:none}
  .side-progress{margin:0}
  .side-wrap summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;background:var(--bg-2);font-size:12.5px;font-weight:600;color:var(--ink-2)}
  .side-wrap summary .sm-prog{font-family:ui-monospace,Menlo,monospace;font-size:11px;color:var(--green-text)}
  .side-wrap .side-toc{padding:8px 12px 14px;background:var(--bg-2);border-top:1px solid var(--line);max-height:60vh;overflow-y:auto}
  .lesson-main{padding:24px 20px 48px}
}
@media(max-width:640px){
  .head-nav{gap:14px;font-size:13px}
  .head-nav a:not(.nav-xp){display:none}
  .head-nav .nav-xp{background:var(--btn-bg);color:var(--btn-ink);font-size:12.5px;font-weight:700;padding:8px 12px;border-radius:6px}
  .head-nav .nav-xp:hover{color:var(--btn-ink);background:var(--btn-hov)}
  .brand-en{display:none}
  .hero{padding:32px 0 0}
  .money-grid{grid-template-columns:1fr}
  .l-row{flex-wrap:wrap;row-gap:6px}
  .l-min{width:auto}
  .lesson-pn{grid-template-columns:1fr}
  .pn.next{text-align:left}
  .lesson-done .btn{flex:1;min-height:48px}
  .scen-queue{gap:6px}
  .q-label{border-right:0;padding-right:0;width:100%}
  .q-chip{font-size:11px;padding:4px 11px}
}

/* ---------- 目录排产票据链 + 排产队列页（矩阵 V2 / P0） ---------- */
.c-foot-l{display:inline-flex;gap:8px;align-items:center}
.c-next{font-size:10px;letter-spacing:.08em;color:var(--accent-text);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:999px;padding:2.5px 9px;white-space:nowrap}
.cat-queue{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
a.q-chip{text-decoration:none;transition:border-color .15s,color .15s}
a.q-chip:hover{border-color:var(--accent);color:var(--accent-text)}
.q-chip.q-more,.q-vote{color:var(--accent-text)}
.q-vote{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;text-decoration:none;padding:5px 2px;white-space:nowrap;margin-left:auto}
.q-vote:hover{text-decoration:underline;text-underline-offset:4px}

.qp-wrap{padding:46px 22px 72px}
.qp-head h1{font-size:clamp(28px,4.4vw,44px);font-weight:900;line-height:1.25;margin-top:10px;text-wrap:balance}
.qp-head h1 em{font-style:normal;color:var(--accent)}
.qp-sub{color:var(--ink-2);max-width:660px;margin-top:12px;font-size:15px;line-height:1.85}
.qp-now{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px;background:var(--surface);border:1px solid var(--line-2);border-left:3px solid var(--tint,var(--accent));border-radius:10px;padding:14px 18px;text-decoration:none;color:var(--ink);box-shadow:var(--sh-card)}
.qp-now-tag{font-size:10.5px;letter-spacing:.1em;color:var(--green-text)}
.qp-now b{font-size:15px}
.qp-now-go{margin-left:auto;font-size:11.5px;color:var(--accent-text)}
.qp-now:hover .qp-now-go{text-decoration:underline;text-underline-offset:4px}
.mold{margin-top:20px;border:1px dashed var(--line-2);border-radius:10px;padding:14px 18px}
.mold-t{font-size:10.5px;letter-spacing:.14em;color:var(--dim)}
.mold-steps{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:baseline;margin-top:10px}
.ms{display:inline-flex;align-items:baseline;gap:7px;font-size:12.5px}
.ms b{color:var(--accent-text);font-family:ui-monospace,Menlo,monospace;font-weight:600}
.ms i{font-style:normal;font-weight:700}
.ms em{font-style:normal;font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--dim)}
.ms-arr{color:var(--dim);font-size:12px}
.qp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}
.qp-card{background:var(--surface);border:1.5px dashed var(--line-2);border-radius:12px;padding:18px 20px}
.qp-card h3{font-size:16.5px;margin-top:10px}
.qp-card p{color:var(--ink-2);font-size:13.5px;line-height:1.75;margin-top:7px}
.qp-top{display:flex;justify-content:space-between;align-items:center}
.qp-no{font-size:11px;color:var(--gold);letter-spacing:.08em}
.qp-hand{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;border:1px solid var(--line-2);background:transparent;color:var(--ink-2);border-radius:999px;padding:6px 14px;cursor:pointer;transition:border-color .15s,color .15s,background .15s}
.qp-hand:hover{border-color:var(--accent);color:var(--accent-text)}
.qp-hand.is-on{border-color:var(--green-text);color:var(--green-text);background:color-mix(in srgb,var(--green-text) 10%,transparent)}
.qp-note{margin-top:24px;font-size:12px;color:var(--dim)}
@media(max-width:640px){
  .qp-grid{grid-template-columns:1fr}
  .qp-now-go,.q-vote{margin-left:0}
  .qp-wrap{padding-top:32px}
}

/* ---------- 7 天上手计划 ---------- */
.xp-more{font-size:13px;color:var(--ink-2);margin-top:12px}
.xp-more a{color:var(--accent-text);font-weight:600}
.p7-sig{margin-top:20px}
.p7-sig .mold-t{margin-bottom:12px}
.p7-days{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.p7-day{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line-2);border-radius:12px;padding:20px 22px;box-shadow:var(--sh-card)}
.p7-no{flex:none;width:64px;font-size:13px;font-weight:700;color:var(--accent-text);letter-spacing:.04em;display:flex;flex-direction:column;gap:5px}
.p7-no em{font-style:normal;font-size:10px;color:var(--dim);letter-spacing:.06em}
.p7-body{min-width:0;flex:1}
.p7-body h3{font-size:16px;margin-bottom:8px}
.p7-body p,.p7-body li{font-size:14px;line-height:1.85;color:var(--ink-2)}
.p7-body ul{padding-left:20px;margin:8px 0}
.p7-body .cmd{margin:12px 0}
.p7-note{font-size:12.5px;color:var(--dim);border-left:2px solid var(--line-2);padding-left:10px;margin-top:10px}
.p7-note a{color:var(--accent-text)}
.p7-next{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
@media(max-width:640px){.p7-day{flex-direction:column;gap:8px}.p7-no{flex-direction:row;align-items:baseline;width:auto}}
.q-chip.q-live{border-style:solid;color:var(--ink-2)}
.q-chip.q-live:hover{border-color:var(--accent);color:var(--accent-text)}